30results about How to "Guaranteed collinear" patented technology

The invention relates to a cable roundness shaping and positioning device, and relates to the field of wires and cables, the cable roundness shaping and positioning device comprises a supporting seat and a support arranged on the supporting seat in a lifting manner, and the support is provided with an adjusting device; the supporting seat is provided with a sliding hole, the support is fixedly connected with a sliding rod which is connected in the sliding hole in a sliding mode, and the supporting seat is provided with a driving device which drives the sliding rod to move. The shaping and positioning device has the effect of conveniently adjusting the position of the device, the convenience of cable shaping operation is improved, and the quality of a finished cable is improved.

A firewood splitting device disclosed by the invention comprises a frame, a dovetail chute is fixedly connected to the frame, and a cutter assembly is slidably connected to the dovetail chute. In the firewood splitting device of the present invention, the distance between the cutter assembly is adjusted by the cutter adjustment device to ensure that the center of the cutter assembly is in line with the center of the wood; the wood can be placed between the limit bar and the horizontal ring, and the wood is guaranteed to be vertical Place it; knock the top of the wood with an external force to split the wood, and the split wood will slide down to the side ground along the slide to complete the wood chopping operation. The use of a slide plate can make the split wood slide down to the side ground along the slide plate, which is convenient for material collection. The firewood splitting device of the present invention has the advantages of simple structure, low cost and safe use.

The invention relates to the technical field of textile fabrics, and discloses an automatic centering yarn drum positioning device for a twisting machine, which includes a twisting machine body, and a fixed shaft sleeve is fixedly connected to the outside of the twisting machine body. The inside of the shaft sleeve is fixedly connected with a first bearing; The outside of the brake ring is connected with a brake ring, the outside of the brake ring is fixedly connected with a brake runner, the inside of the brake ring is fixedly connected with a bump, and the outside of the twisting machine body is fixedly connected with a fixed block, The outside of the fixed block is slidably connected with a brake slider. Through the cooperation of the rotating shaft and the positioning rod, the vertically fixed pay-off barrel becomes a horizontally fixed pay-off barrel, which avoids reducing the friction between the wire and the pay-off barrel, and avoids the occurrence of wire rods. damage, to ensure the quality of the wire.

The invention discloses an automatic flaring machine which comprises a machine base, a flaring fixed die assembly, a flaring movable die assembly, a flaring and stamping device and a positioning device, wherein the flaring movable die assembly is matched with the flaring fixed die assembly to clamp connection pipes; the flaring and stamping device is used for conducting flaring on the connection pipes; the positioning device can make the axes of the connection pipes coincide with the axis of a punch of the flaring and stamping device; the flaring fixed die assembly, the flaring movable die assembly, the flaring and stamping device and the positioning device are arranged on the machine base. According to the automatic flaring machine, the positioning device is additionally arranged, it is guaranteed that the axels of the connection pipes are collinear with the axis of the punch of the flaring and stamping device, and the flaring fixed die assembly and the flaring movable die assembly clamp the connection pipes; compared with the prior art that the connection pipes are manually positioned, positioning accuracy of the connection pipes is effectively improved, so that the percentage of pass of finished products is raised, and consistency of the finished products is improved; the production cost of the finished products is further lowered; meanwhile, automatic flaring is achieved, production efficiency is improved, and labor intensity is lowered.

The invention provides a self-oscillation type pulse cyclone supercharger. The self-oscillation type pulse cyclone supercharger comprises a shell, an air inlet adjusting pipe, a left end cover, a pulse cyclone blade, an air outlet adjusting pipe and a right end cover; a main air inlet and a main air outlet are formed in the left end and the right end of the shell correspondingly; the left end cover and the right end cover of the shell are fixed through an M8 screw; the pulse cyclone blade is arranged inside the shell; the air inlet adjusting pipe is installed at the left end of the pulse cyclone blade; the air outlet adjusting pipe is installed at the right end of the pulse cyclone blade; two supporting leg bases are welded to the shell; the pulse cyclone blade comprises a center sleeve pipe and a cyclone blade arranged at the concave portion of the center sleeve pipe; particles and gas in the center sleeve pipe flow in the axial direction; a pulse cyclone air flow is formed between the shell and the pulse cyclone blade; and an auxiliary supplementing air inlet is formed in the shell and is in G1 pipe threaded connection. The self-oscillation type pulse cyclone supercharger is wide in application range, can reduce the minimum conveying speed of the particles, relieve the pipe abrasion, reduce particle crushing and avoid pipe blockage, and is suitable for pneumatic long-distance conveying of material particles.

The invention discloses a rapid filament feeding device used for FDM type 3D printing material filaments. The rapid filament feeding device comprises at least one feeding mechanism. Each feeding mechanism comprises a base located between a feeding tank and a spray nozzle. A rail is arranged on each base. Two slide blocks are arranged on each rail in a sliding manner. A first drive device is arranged on each slide block. The output end of each first drive device is connected with a wire feeding disc through a first rotating shaft. The first drive devices are used for driving the wire feeding discs to rotate. The gap between every corresponding wire feeding discs is matched with the diameter of wire rods. After the diameter of the to-be-conveyed wire rods is confirmed, the relative positions, on the rails, of the slide blocks are adjusted, the gap between every two corresponding wire feeding discs is then changed, the gap is made to be matched with the diameter of the to-be-conveyed wirerods, and the situation that after the diameter of the wire rods is changed, the wire rods get stuck or cannot be conveyed is avoided; and meanwhile, universality of the filament feeding device is improved, and the rapid filament feeding device can meet wire rod diameter requirements under different working conditions.

The invention provides a multi-clutch transmission drive unit. The multi-clutch transmission drive unit comprises a first double-clutch transmission and a second double-clutch transmission, wherein the output shaft of the first double-clutch transmission is connected with the shell of the second double-clutch transmission. According to the multi-clutch transmission drive unit provided by the invention, a multi-stage clutch structure in one transmission is replaced by the two double-clutch transmissions, and the multi-clutch transmission drive unit is simple in structure and high in reliability while realizing speed ratio range expansion.

The invention discloses a liquid guide device and method for stabilizing and controlling flow in a magnesium alloy semi-continuous casting process, belonging to the field of casting. The liquid guide device for stable flow control in the semi-continuous casting process of magnesium alloy is provided with a liquid guide control actuator and a protective gas control device; The device is used to adjust and control the rise and fall of the shunt device, and the control shunt device is used to control the flow rate of the magnesium alloy melt at the liquid end of the catheter; the crucible containing the magnesium alloy and the protective gas storage tank are connected through the protective gas pipeline, and the protective gas pipeline There is a shielding gas control device on it, which is used to control the pressure inside the crucible by adjusting the shielding gas output flow. The device can stably transmit the high-temperature melt during the semi-continuous casting process, ensure the stability of the liquid level in the mold, improve the surface quality and smoothness of the product, reduce the possibility of slag inclusion, and realize stable and safe casting production. wide.

The invention discloses a device and a method for measuring the vertical divergence angle of a high-power laser diode array. The method comprises the following steps: calibrating the device for measuring the vertical divergence angle of the high-power laser diode array; and measuring the spectrum intensity vertical to the light-emitting surface of the laser diode array, carrying out difference operation through different revolving angles of a revolving plate under the same spectrum intensity, and further acquiring the vertical divergence angle of the high-power laser diode array. The device and the method for measuring the vertical divergence angle of the high-power laser diode array provided by the invention have the advantages that the measuring device has a collimation system, the vertical divergence angle and the spectrum characteristic of the laser diode array can be measured accurately; and additionally, a water cooling system is introduced according to the invention, the operation of the laser diode at the normal temperature is ensured.

The invention provides a glue coating device for medical needles, which belongs to the technical field of medical equipment manufacturing equipment. It solves the technical problems such as uneven glue application of the existing medical needle glue application device. The gluing device for medical needles includes a frame, a lifting plate connected with the frame and a rubber plate for gluing, the lifting plate is connected with a relatively set mounting plate 1 and mounting plate 2, mounting plate 1 and mounting plate 2. Through the relative or opposite movement of the driving source 2, the first mounting plate and the second mounting plate are respectively equipped with a needle rubbing plate, and the needle rubbing plate is respectively positioned by the driving source 3 fixed on the mounting plate 1 and the mounting plate 2. The opposite sides of the two rubbing plates on plate 1 and mounting plate 2 are clamping surfaces, and the clamping surfaces of the two rubbing plates can abut against each other and clamp the needle tube when mounting plate 1 and mounting plate 2 move relatively. The driving source three can drive the corresponding rubbing board to move along its length direction and the two rubbing boards move relatively. The invention has the advantage of being able to apply glue stably and evenly.

The invention discloses a device for measuring the vertical divergence angle of a high-power laser diode array. The device comprises a base plate, a rotary plate, a central shaft, a first displacement regulator, an L-shaped support, a second displacement regulator, a unidirectional pitching regulator, a laser diode array support tool and a water cooling system, wherein angle coordinates are engraved on the base plate; the rotary plate is arranged on the base plate in a rotatable mode and is provided with calibration tails; the central shaft is arranged on the center of the base plate and penetrates through the rotary plate; the first displacement regulator is installed on the rotary plate and is positioned beside the central shaft; the L-shaped support is fixed on the first displacement regulator; the second displacement regulator is installed on the L-shaped support; the unidirectional pitching regulator is installed on the second displacement regulator and can pitch along the vertical direction; the laser diode array support tool is installed on the unidirectional pitching regulator; and the water cooling system is connected with the laser diode array support tool. The device for measuring the vertical divergence angle of the high-power laser diode array provided by the invention has the advantages that the operation of the high-power laser diode array at normal temperature is ensured, the center collineation of a light-emitting line and the central shaft is also ensured, and the measuring accuracy is improved as well as the aim that the laser diode array with different heat sink widths can be measured is realized.