44results about How to "Easy sawing" patented technology

A method and apparatus for forming an opening in a concrete wall is provided. More specifically, interlocking concrete forms comprising parallel spaced insulation panels are provided for receipt of concrete. Any openings, i.e. such as for windows and doors, are accommodated within the insulated concrete forms by way of a customizable buck. The buck members utilize less material than those of the prior art, and are easily customized to yield a required opening size. The placement of concrete into the form yields a concrete wall with the desired window or door opening.

The invention discloses a device for assisting a gantry circular sawing machine in cutting a steel plate. The device is arranged at a saw kerf close to the front end of the steel plate and comprises a supporting base, and supporting base is connected with a supporting plate; the supporting plate is provided with a wedge mechanism capable of being wedged into a steel plate sawing gap, the tail end of the wedge mechanism is connected with a propelling mechanism, and the propelling mechanism is arranged on the supporting plate; the supporting plate is connected with a lifting mechanism, one end of the lifting mechanism is connected with the supporting plate, and the other end of the lifting mechanism is connected with the supporting base; one end of the supporting plate can ascend and descend relative to the supporting base under the action of the lifting mechanism. The device for assisting the gantry circular sawing machine in cutting the steel plate can be wedged into the saw kerf in the steel plate sawing process, the width of the saw kerf is increased, and a saw blade is prevented from being extruded by materials on side edges of the saw kerf. By means of the device, steel plate sawing can be easier, the abrasion of the surface of the saw blade is reduced, the service life of the saw blade is prolonged, and the sawing efficiency is improved.

The invention discloses an automatic advancing type bamboo chopstick shear gauge. The automatic advancing type bamboo chopstick shear gauge comprises a machine base, multiple sawing units which are arranged on the machine base and used for sawing raw materials, a feeding device and a dust removing device. Each sawing unit comprises a support, a supporting beam connected to the support, a rotating shaft and a sawing piece connected with the rotating shaft. The feeding device comprises a feeding plate arranged in front of the sawing units and a material storage groove formed in the tail end of the feeding plate. The feeding plate is fixed to the machine base through a supporting frame. The feeding plate is provided with matched notches opposite to the sawing pieces. A transmission device is assembled on the feeding device. The feeding plate can be used for automatically conveying bamboo chopsticks, and the bamboo chopsticks slide into the material storage groove. A guide rail is erected on the material storage groove. The guide rail is connected with a top plate in a sliding manner. A push piece is arranged on the back face of the top plate and is used for pushing the top plate to slide on the guide rail. The top plate is in butt joint with the feeding plate. According to the automatic advancing type bamboo chopstick shear gauge, the bamboo chopsticks with a fixed length can be sawn due to the arrangement of the top plate, the uniformity is high, and equipment can rotate without resistance.

The invention relates to sawing equipment of vertical cutting, in particular to a vertical sawing machine. The vertical sawing machine comprises a base, a machine body and a saw frame, wherein walking wheels are fixedly arranged below the base, and a whole lifting oil cylinder is arranged on the base. A workpiece clamping device is arranged on the upper portion of the machine body, the machine body is arranged on a second plate, the second plate is arranged on the upper portion of the base, a first plate is arranged on the upper portion of the second plate, the saw frame is arranged on the first plate, a front and back movement device of the first plate is arranged between the first plate and the second plate, and a left and right movement device of the second plate is arranged between the second plate and the base; a diving wheel and a driven wheel are arranged on the saw frame, and saw blades are wound on the driving wheel and the driven wheel. The vertical sawing machine solves the problem caused when a saw is taken by a person for sawing, due to the fact that the saw blades can be twisted for a certain angle, the service life of the saw blades can be prolonged, and production efficiency is improved. Besides, a jaw has the lifting function, and a workpiece can be placed on the jaw conveniently.

the invention relates to pressing equipment, in particular to cement pouring template pressing equipment. The cement pouring template pressing equipment can support and stabilize the template well, can prevent workers from being injured, and can change a sawing angle conveniently and quickly. According to the technical scheme, the cement pouring template pressing equipment comprises a base, a mounting plate, a sliding frame, a moving mechanism, moving rods, placing plates, an annular rubber ring and the like, wherein the mounting plate is rotationally connected to the top of the base, the sliding frame is connected to the top of the mounting plate, the moving mechanism is arranged in the sliding frame, a part of the moving mechanism is connected with the two moving rods, and the moving rods penetrate through the top of the sliding frame in a sliding mode. According to the equipment, the opening angle of the placing plates on the left side and the right side are adjusted by workers according to the shape of a template to adapt to different shapes of templates well; and a first push rod can be pressed down to rotate the mounting plate to enable the template to rotate, the saw cuttingangle can be changed as required, and saw cutting is more convenient and rapid..

The invention discloses a heat treatment method for 18CrNiMo7-6 steel. The method is used for carrying out annealing treatment on a round bar forged by an 18CrNiMo7-6 steel ingot; and in the annealingtreatment, the temperature of the round bar is increased to a first heat preservation temperature and heat preservation is carried out at the first heat preservation temperature, then air cooling iscarried out until a second heat preservation temperature is achieved and heat preservation is carried out at the second heat preservation temperature, and finally cooling is carried out, wherein the first heat preservation temperature is larger than or equal to 800 DEG C, and the second heat preservation temperature is 620-650 DEG C. According to the method, the cooling speed and the heat preservation temperature in isothermal annealing are controlled, so that the 18CrNiMo7-6 steel with ferrite and flaky pearlite structures is obtained, the steel has moderate hardness, the steel is convenientto machine, be subjected to blanking and saw, the cutter sticking phenomenon is avoided, and the yield is increased.

The invention provides a defroster of a refrigerator. The defroster mainly comprises a small knife body, a heating plate and a conducting wire, and is characterized in that the small knife body comprises a knife handle, a knife handle support, a knife back and a knife blade. One long strip-shaped heating plate is installed in the interlayer of the knife back; two insulating plates are separately adhered to the double surfaces of the heating plate so that the small knife body is uncharged; and the knife handle and the knife handle support are both made of a nonconductive insulating material. The heating plate is connected with one conducting wire; the conducting wire penetrates out of the center of the knife handle; the other end of the conducting wire is connected with a plug; after the plug is supplied with power, the heating plate is powered on and starts to heat to make sure that the small knife body is heated to the temperature of about 200 DEG C, and then defrosting is started. The edge of the small knife body is saw-toothed; with the addition of certain heat, the small knife body is capable of rapidly cutting off frozen frost on the inner wall of the refrigerator, so the defroster is capable of saving efforts, also convenient, also simple to manufacture, low in cost and easy to promote and popularize.

A saw blade protective cover device of a table saw comprises a protecting cover seat and a protective cover which is pivoted with the protecting cover seat, wherein the protecting cover is provided with an elastic positioning part, when the elastic positioning part of the protecting cover is propped to the protecting cover seat, the protecting cover is far away from a saw blade so that the saw blade can be exposed for carrying out operations which are related to workpiece sawing, such as measurement of the height of the saw blade which is higher than a working table surface or the inclination angle of the saw blade to a working table; and when the elastic positioning part of the protecting cover generates elastic deformation under the action of external force and the protecting cover is caused to be staggered with the protecting cover seat, the protecting cover is contacted with the working table surface and covers the saw blade for preventing a user from carelessly touching the saw blade.

The invention discloses a household shears-type sawing tool for a passion fruit. The household scissors-type sawing tool comprises an upper half shearing part, a lower half shearing part and a rivet, wherein an upward-concave upper arc-shaped shearing edge is arranged at the lower end of the upper half shearing part; upper sawing teeth which are uniformly distributed are arranged at the lower end of the upper arc-shaped shearing edge; the extending length of the upper toothed bulges is 2-4 mm; an upper long-strip cutting edge is arranged at the upper end of the upper half shearing part; an downward-concave lower arc-shaped shearing edge is arranged at the upper end of the lower half shearing part; lower sawing teeth which are uniformly distributed are arranged at the upper end of the lower arc-shaped shearing edge; the extending length of the lower toothed bulges is 2-4 mm; a lower long-strip cutting edge is arranged at the lower end of the lower half shearing part; a lower shears handle is arranged at the lower right end of the upper half shearing part; an upper shears handle is arranged at the upper right end of the lower half shearing part; the upper half shearing part and the lower half shearing part are oppositely assembled and riveted together through the rivet; and under the action of external force, the upper half shearing part and the lower half shearing part can be opened or closed. Not only can the household shears-type sawing tool be used for sawing off the passion fruit easily and the juice of passion fruit be prevented from outflowing, but also the household shears-type sawing tool is simple in structure, low in cost, convenient to clean, and sanitary.

The invention discloses an electric cut-open knife for passion fruit. The electric cut-open knife is mainly characterized in that a lower clamping plate is arranged on the upper portion of a bottom plate of a knife rest, two sets of upward needle tips different in height are arranged at the rear end of an upward concave arc surface of the lower clamping plate along the arc surface, and the four corners of the lower clamping plate are connected with the lower ends of four support feet of a support; a first round through hole is formed in the center of a rectangular flat plate on the upper portion of the support; a pull rod is arranged in the first round through hole, and after the lower portion of the pull rod is sleeved with a compression spring, the pull rod is perpendicularly welded together with an upward convex arc top face of an upper clamping plate; an annular shoulder is arranged on the upper portion of the pull rod, and the upper portion of the pull rod and a handle are integrated through injection molding; two sets of downward needle tips different in height are arranged at the rear end of a downward concave arc surface of the upper clamping plate along the arc surface, and the downward concave arc surface of the upper clamping plate is opposite and parallel to the upward concave arc surface of the lower clamping plate; a knife body is composed of a blade, a plug, a wire, a fixing plate, a single-phase alternating current linear motor, a knife holder, a knife handle and a switch. The passion fruit can be cut open simply, conveniently and easily through the electric cut-open knife.

The invention relates to the field of automobile pipe machining devices, in particular to an automobile pipe cutting device. The automobile pipe cutting device comprises a base, a lifting structure, afixing structure, a sawing structure, a first feeding structure, a second feeding structure and a guiding structure; and the first feeding structure is arranged at the top end of the base. Through work of the first feeding structure, an automobile pipe rolling into the first feeding structure can be automatically conveyed to the right bottom end of the sawing structure, manual pushing is not needed, the time and labor are saved, continuous sawing can be achieved, and the work efficiency is improved; through the guiding effect of the guiding structure, it can be ensured that the pipe moves forward normally, and the jamming phenomenon can be avoided; and the second feeding structure is arranged at one end of the first feeding structure, through arrangement of the second feeding structure, the pipe can enter the first feeding structure in an automatic rolling-in mode, the time and labor are saved, the work efficiency is improved, and the continuity of sawing work can be achieved.

The invention a fixed abrasive sawing wire comprising diamond particles held in a metallic retention layer on a steel wire. The steel wire has a diameter less than 300 μιη. More than half of the diamond particles (102, 102′, 104, 104′, 104″, 104′″) have a cubo-octahedral morphology as obtained in the diamond synthesis by high pressure at high temperature. 95% of the diamond particles have a size of 80 pm or less. The diamond particles predominantly show low elongation below or equal to 0.2 and are not obtained by crushing larger diamonds.

The invention discloses a method capable of prolonging service life of a fitter's tool. The method is characterized by including: alternately using two side faces of the fitter's tool when the fitter's tool is used for working. Compared with the prior art, the sawing method has the advantages that one side not being used for sawing is equivalent to normalizing, so that heat generated by friction can be reduced, and existence of a martensite matrix of a saw blade is ensured (in other words, hardness of the saw blade is ensured unchanged constantly or precipitation time of middle carbon of martensite is prolonged); saw dust is enabled to be crisp and prone to shedding, and a cut material is enabled to be crisp, so that cutting is better facilitated. By the filing method, one side not being used for filing is equivalent to normalizing, so that heat generated by friction can be reduced, and existence of a martensite matrix of saw teeth is ensured (in other words, hardness of the saw teeth is ensured unchanged constantly or precipitation time of middle carbon of martensite is prolonged); file dust is enabled to be crisp and prone to shedding, and a filed material is enabled to be crisp, so that filing is better facilitated.