62results about How to "Guaranteed rolling effect" patented technology

The invention discloses a device for replacing rollers of a pilger seamless tube mill. The device comprises a storage rack, an internal tube mill rail, a roller seat and a push-pull mechanism, wherein the storage rack is arranged on one side of a pilger seamless tube mill housing, and is provided with a rack rail at the upper part thereof; the internal tube mill rail spans the pilger seamless tube mill housing, and is mounted on the pilger seamless tube mill; the internal tube mill rail is communicated with the rack rail; a V-shaped groove is formed on the internal tube mill rail; rollers are loaded on the roller seat; idler wheels matched with the rack rail and the internal tube mill rail are mounted at the lower part of the roller seat; and the push-pull mechanism is arranged on the other side of the pilger seamless tube mill housing, and is connected with the roller seat. In the invention, the idler wheels are mounted on the roller seat and rolls on the internal tube mill rail and the rack rail; the V-shaped groove is formed on the internal tube mill rail; and when the pilger seamless tube mill is used for rolling the rollers, the idler wheels are positioned in the V-shaped groove, without bearing a rolling impulsive force, so that the rolling effect is ensured, the idler wheels are protected against damage, and the rollers are replaced in a rolling manner.

The invention provides novel online shredding and forming equipment for sheet paper fuming section base bar for tobacco. The equipment comprises a base paper unwinding device used for winding tobaccosheet base paper, a forming paper unwinding device used for winding forming paper, a shredding device, a gathering device and a forming device with a forming cavity, wherein the base paper unwinding device, the shredding device, the gathering device and the forming device are arranged in sequence in the moving direction of the tobacco sheet base paper, the forming paper unwinding device and the forming device are arranged in sequence in the moving direction of forming paper, the shredding device is used for shredding the tobacco sheet base paper into shreds, the gathering device is used for gathering the shredded tobacco sheet base paper and introducing the shredded tobacco sheet base paper into the forming cavity of the forming device, and the forming device wraps the tobacco sheet base paper with the forming paper. The novel online shredding and forming equipment for the sheet paper fuming section base bar for the tobacco has the advantages that online shredding and one-time rollingand forming of the tobacco sheet base paper can be achieved, the manufacturing steps of a fuming section are reduced, the production efficiency is effectively improved, and the continuity of the production and the stability of the product quality can also be effectively improved.

The invention discloses a turntable type UV laminator which comprises an upper frame and a lower frame, wherein an operating panel is arranged on the upper frame; a dispenser module, a rolling module and a UV hardener module are sequentially arranged on the lower side of the operating panel from the left to right; a control box is arranged on the lower frame; a divider connected with the control box is arranged in the middle of the table-board of the lower frame; a mold for bearing and positioning workpieces is fixed on the divider. According to the turntable type UV laminator, raw materials can be saved, the materials and manual cost are reduced, and the yield of the product can be greatly improved, so that the capacity of equipment can be 450-900PCS per hour.

The invention discloses a rolling-pressing device for heat preservation film production. The rolling-pressing device for the heat preservation film production comprises a rolling-pressing mechanism, an adjusting mechanism and a winding mechanism, wherein one end of the rolling-pressing mechanism is provided with the adjusting mechanism, the other end of the rolling-pressing mechanism is provided with the winding mechanism, the rolling-pressing mechanism comprises a framework, sliding rods and springs, and a smooth block is arranged on the inner sides of the two sides of the framework; the adjusting mechanism can be used to adjust the position of a heat preservation film, the heat preservation film is always kept in the center position, the deviation of the heat preservation film is avoided, and the smooth proceeding of the subsequent rolling-pressing steps is ensured; at the same time, in the rolling-pressing mechanism, upper and lower rolling rollers can be used for carrying out comprehensive rolling-pressing on the upper side and the lower side of the heat preservation film, so that the rolling-pressing effect is guaranteed, and the distance and the rolling-pressing strength of the first rolling roller and the second rolling roller can be adjusted, so that the rolling-pressing device is suitable for different types of heat preservation films; and a winding roller of the winding mechanism with adjustable width can ensure that both ends of a wound heat preservation film roll are flat when the rolling-pressing device works, thus ensuring attractive appearance and facilitating later use.

The invention relates to a preparation method of high-strength superfine dual-phase laminated QAl10-4-4 aluminum bronze alloy plates. According to the preparation method, firstly, a dual-phase organization is regulated and heated, a raw material of QAl10-4-4 aluminum bronze alloy is treated in a thermal treatment furnace for 2-5 hours at a temperature of 850-920 DEG C, then the heated material issubjected to severe deformation through asymmetric continuous rolling and symmetric continuous rolling sequentially, and finally the rolled material is subjected to thermal treatment after deformation. An alpha phase of a face-centered cubic Cu-based solid solution and a beta phase of a body-centered cubic structure in an obtained structure obtained from thermal treatment are distributed in laminations, and a large amount of k phases of intermetallic compounds are dispersed inside the laminations and at boundaries of the laminations. The high-strength superfine dual-phase laminated QAl10-4-4 aluminum bronze alloy plates have the advantages that yield strength is not smaller than 900MPa, tensile strength is not smaller than 1000MPa, hardness is not smaller than 390HV, and elongation at break is not smaller than 8%. Compared with the prior art, the preparation method not only can improve performance of the QAl10-4-4 aluminum bronze alloy, but also is simple in process, easy to operate and low in cost, and can be used to realize preparation of the large-size QAl10-4-4 aluminum bronze alloy plates.

The invention relates to a casting sand mixer. The casting sand mixer comprises a machine base, a round sand mixing hopper, a rotating motor assembly, a wheel train transmission mechanism, turning andgrinding assemblies and a scraping plate mechanism, the round sand mixing hopper is fixedly arranged on the machine base, the rotating motor assembly is fixedly arranged at the central position of the bottom of the machine base, the wheel train transmission mechanism is fixedly arranged at the top of the rotating motor assembly, the two turning assemblies are symmetrically and rotationally arranged on the wheel train transmission mechanism, and the scraping plate mechanism is fixedly arranged on the wheel train transmission mechanism; the rotating motor assembly can drive the wheel train transmission mechanism, the whole synchronous rotation formed by the turning and grinding assemblies and the scraping plate assembly is achieved, the wheel train transmission mechanism can drive the two turning and grinding assemblies to rotate. According to the casting sand mixer, the grinding roller and the sand turning structure of the casting sand mixer are uniform and compact in design and convenient to dismount and maintain, cleaning and rapid replacement of the grinding wheel structure are facilitated, and the efficiency and quality of sand mixing are ensured.

The invention provides rolling equipment for a fluff fabric. The rolling equipment comprises a bottom plate, a supporting plate device, a bracket device, a pushing device, a transverse plate device, a rolling device, a positioning device, a jacking device and a motor device, wherein the bottom plate is provided with a first groove, a first supporting rod, a first bracket, a first cross rod and a second cross rod; the supporting plate device comprises a first positioning rod, a second supporting rod, a supporting plate, a first spring and a third cross rod; the bracket device comprises a first bent rod, a first fixed rod, a second positioning rod and a second fixed rod; the pushing device comprises a first vertical rod, a fourth cross rod, a second bracket, a third positioning rod, a first push rod, a first connecting rod, a first motor, a first output shaft, a second vertical rod, a first roller, a push block and a first supporting block; and the cross plate device comprises a cross plate, a third vertical rod and a second spring. The rolling equipment can keep durable pressure of a rolling wheel on a fabric, and enables the rolling wheel to sufficiently contact with the fabric, so that the rolling effect of the fabric can be guaranteed.

The invention belongs to the technical field of solid waste treatment, and specifically relates to a solid waste treatment system with a pretreatment process, which includes a treatment box, a primary crushing assembly and a crushing roller. A sealing plate, a primary crushing assembly is arranged above the rotating sealing plate, and an electro-hydraulic telescopic rod is connected between the lower end of the rotating sealing plate and the processing box; the present invention realizes the crushing of the elastic arc by setting the crushing knife as a combined type. The fixed waste between the curved surface on the plate and the two sides of the triangular slider is crushed, thereby increasing the crushing effect on solid waste; by setting the triangular slider to slide and install in the chute on the sealing plate, On the one hand, it prevents the problem of excessive wear caused by excessive impact force after the single elastic arc plate is stressed; on the other hand, it realizes that the solid waste is evenly spread on the two crushing rollers, thereby reducing the possibility of the crushing motor being burned out. Thereby improving the service life of the crushing motor.

The invention discloses a PVC (polyvinyl chloride) calender roller deflection signal processing device which comprises an X displacement signal acquisition circuit, a Y displacement signal acquisition circuit, a displacement signal processing circuit and a time delay circuit. Transverse and longitudinal displacement signals of PVC calender rollers can be acquired by laser sensors X1 and Y1 in the X displacement signal acquisition circuit and the Y displacement signal acquisition circuit, amplitude can be adjusted by a high-voltage step-down circuit and a low-voltage compensation circuit, then the transverse and longitudinal displacement signals can be filtered by an LC circuit, and voltages of the transverse and longitudinal displacement signals can be stabilized by a voltage stabilizer tube to be in the ranges of +5 V and +10 V. The PVC calender roller deflection signal processing device has the advantages that the shortcoming of nonlinear errors due to external disturbance can be overcome, the measurement accuracy can be improved, reliable on or off of MOS (metal oxide semiconductor) tubes T1-T4 can be guaranteed by the amplitude, and the accuracy of control signals can be improved; only simple logic judgment is carried out on the availability of transverse and longitudinal displacement deviation signals by a NAND gate circuit with the MOS tubes T1-T4 in the displacement signal processing circuit, the time is delayed by 5 S, determined high or low level can be outputted to a controller, accordingly, the PVC calender roller deflection signal processing device is fast in response and high in efficiency, deflection can be timely discovered and controlled, calendering effects can be guaranteed, and the work efficiency can be improved.