30results about How to "Stable pressing force" patented technology

The utility model provides a presser foot structure of a multi-needle machine, and belongs to the technical field of sewing machines. The problem of how to improve the sewing quality of the multi-needle machine is solved. The presser foot structure of the multi-needle machine comprises a connecting base, a presser foot plate with a plurality of needle holes and a presser foot support fixedly connected with the connecting base, the presser foot plate is located below the presser foot support, the two side edges of the presser foot plate are hinged to the presser foot support, and a torsional spring is arranged between the presser foot plate and the presser foot support. The bottom face of the presser foot plate inclines relative to the horizontal plane in the front-back direction and is high in front and low in back, and the presser foot plate can swing relative to the presser foot support and reset through elastic force of the torsion spring. The presser foot is simple, reasonable and stable in structure, the presser foot plate has mechanical elasticity, stable and reliable pressing force can be provided for cloth with different thicknesses, the cloth is not prone to loosening, the pressing effect is good, and the sewing quality of the multi-needle machine is greatly improved.

The invention discloses a manufacturing method of an electric endoscope linear type cutting anastomat. The manufacturing method comprises the following steps: S1, preparing raw materials; s2, assembling a handle assembly, a gun barrel assembly, a battery assembly, a cartridge nail assembly, a steering positioning assembly and a front head assembly; s3, carrying out general assembly on the electric endoscope linear type cutting anastomat, namely sequentially completing the assembly of a steering positioning assembly and a main body, the assembly of a front head assembly, parts and the main body, the assembly of a front head outer tube connecting and fixing part, the assembly of a buckle outer wrapping part, the assembly of a gun barrel assembly and a handle assembly, the assembly of a support frame end cover and the assembly of a shell; and S4, packaging the electric endoscope linear type cutting anastomat which is generally assembled. According to the assembly method, the assembly accuracy of a worker can be guaranteed by refining the assembly of a plurality of parts, the method is easy to implement and simple and convenient to operate, the assembly efficiency is improved, and the technical problem and difficulty that the assembly efficiency of the electric endoscope linear type cutting anastomat is not high are solved.

The present invention discloses an automatic film tearing device, including a feeding mechanism, a gripping mechanism, a moving mechanism and a film tearing mechanism. The feeding mechanism is used to stack the film products to be torn, the gripping mechanism feeds the film products to be torn onto the moving mechanism, the moving mechanism moves the film products to be torn to the film tearing mechanism, the film tearing mechanism includes a film tearing frame, an unwinding assembly installed on the film tearing frame, a pressure roller and a winding assembly, and an adhesive tape wound on the unwinding assembly, the pressure roller and the winding assembly, the moving mechanism lifts up so that the pressure roller contacts the film products to be torn, the adhesive tape sticks to the protective film on the film products to be torn, the moving mechanism moves, the protective film is separated from the film products to be torn and is wound on the winding assembly together with the adhesive tape. The present invention greatly improves the film tearing production efficiency and saves labor; a stable pressing force is ensured by a mold spring to improve the film tearing quality; the protective film is separated from the product without pulling the product, thereby ensuring the product quality; the protective film will be automatically wound up with the adhesive tape.

The invention belongs to the technical field of metal wire feeding and printing, and relates to a quick-release wire feeding structure suitable for small-diameter metal wires. The wire feeding structure comprises a main body structure frame assembly serving as an installation reference and a force bearing main body of the whole mechanism; the quick-release wire feeding seat assembly is arranged in the main body structure frame assembly, and a through wire feeding channel is formed in the quick-release wire feeding seat assembly; the wire feeding shaft driving assembly is installed in the shaft hole of the main body structure frame assembly and used for driving the metal wire to move along the wire feeding channel; the wire feeding head assembly is installed at the outlet end of the main body structure frame assembly and used for guiding the metal wires; and the quick-release wire feeding seat assembly can be integrally taken out of and loaded into the main body structure frame assembly. The problems that operation and maintenance convenience is poor, and wire feeding stability and reliability are insufficient are solved.

The present invention belongs to the technical field of cable traction transmission, and discloses a variable-diameter cable transmission mechanism and a control method thereof. The traction mechanism includes a transmission device, a hydraulic power device and a control device. The transmission device includes a pair of left-right symmetrical conveyor belt traction mechanisms. The conveyor belts of the two conveyor belt traction mechanisms are arranged oppositely, and there is a gap between the two for transmitting cables; an annular groove is opened on the circumference of the outer surface of the conveyor belt, and the annular groove is used to wrap cables to be transmitted with different radii; a clamping module is also arranged on the inner side of each conveyor belt, and the clamping modules arranged oppositely cooperate to squeeze the corresponding conveyor belt to reduce the spacing of the gap and press the cable to be transmitted into the grooves on both sides thereof. When the transmission mechanism of the present invention transmits the cable, the clamping module can squeeze the conveyor belt under the drive of the hydraulic power device, so that the groove on it can wrap the cable to avoid cable friction damage.

This utility model discloses a filter element cutting device, comprising: a U-shaped frame, a conveyor internally mounted on the U-shaped frame, a folding cover rotatably mounted on the other end of the U-shaped frame, a folding pressing mechanism fixedly mounted inside the U-shaped frame, the pressing end of the folding pressing mechanism being able to flip and press against both ends between the conveyor and the folding cover to achieve pressing of the conveyed filter element, and an N-shaped frame fixedly mounted on the upper surface of the U-shaped frame, with a laser ranging sensor fixedly mounted inside the N-shaped frame. This application, through the design of the folding pressing mechanism, achieves fully automated operation from conveying, folding, detection, and cutting, reducing manual intervention, improving production efficiency, and lowering labor costs. Simultaneously, the closed-loop thickness detection and control system ensures the stability and consistency of filter element quality, improving the overall product quality.

The utility model discloses a kind of IGBT power module selection welding clamping tool for inverter, it is related to clamping tool technical field, the device is placed reversely by pressing plate, the quick positioning of power module is realized using second positioning hole and second positioning pin sleeve, then fixed by first mounting bolt, make pin and jack accurately plug-in by placing board card in power module top, and fixed by second mounting bolt and support column and pressing plate, effectively guarantee the horizontal coplanar installation of two power modules and board card, avoid welding inclination, first positioning pin and first positioning hole cooperate to realize overall quick positioning installation, clamping block is automatically reset and compresses board card after sliding compression spring on limiting bolt, both convenient to take and place, and can provide stable compression force continuously in welding, the device significantly improves tin soldering assembly efficiency and quality, ensure that subsequent heat dissipation assembly and power module horizontal close adhesion, to greatly improve the heat dissipation efficiency of IGBT power module.

This utility model discloses a guzheng with easily replaceable strings, relating to the field of guzheng technology. The guzheng with easily replaceable strings includes a body with mounting holes at the bottom. An internal limiting component is provided within the body to restrict the position of the front end of the strings. The limiting component includes a connecting plate fixedly installed inside the body, with a threaded seat fixedly installed inside the connecting plate. During tuning, a spring continuously applies a spring force to a lower pressure block, pushing it downwards along the sliding direction of the guide post, ensuring that the rubber pad at the bottom of the lower pressure block tightly adheres to the strings. The toothed protrusions at the bottom of the rubber pad further increase the friction between the rubber pad and the strings. Even if the limiting post is rotated for tuning purposes, the spring force continues to act on the lower pressure block, ensuring that the pressure of the rubber pad on the strings remains stable, effectively avoiding the problem of loosening due to repeated adjustments in traditional structures.

The invention relates to the technical field of electronic assembly, in particular to an antenna plate welding tool which comprises a positioning device and a pressing device. The antenna plate and the soldering lug are positioned between the positioning device and the pressing device; the positioning device and the pressing device are both made of high-temperature-resistant nonmetal materials. The pressing device and the positioning device each comprise a plurality of samarium-cobalt magnets, and the multiple samarium-cobalt magnets of the pressing device correspond to the multiple samarium-cobalt magnets of the positioning device in a one-to-one mode. The antenna plate welding tool can avoid deformation caused by continuous high temperature and is convenient to assemble.

The invention relates to the technical field of bamboo composite material processing, and in particular to a rolling machine for producing bamboo composite materials, comprising a rolling machine body, a bamboo curtain being arranged on the rolling machine body, a frame being connected and fixedly arranged on one side of the rolling machine body, a transmission mechanism being rotatably connected and arranged on the fixed frame, a plurality of bamboo curtain alignment mechanisms being rotatably connected and arranged on the fixed frame, a plurality of partitions being connected and fixedly arranged on the fixed frame, and a guide and cutting mechanism being connected and fixedly arranged on the fixed frame. By utilizing two alignment plates that are continuously separated and combined, bamboo pieces of bamboo composite materials with uneven ends on the cut bamboo curtain can be aligned, so that the bamboo curtain can be prevented from being offset or skewed during the winding process, thereby ensuring that the bamboo curtain has a regular shape, and avoiding wrinkles, looseness or unevenness during the winding process, which not only improves the production quality of the bamboo curtain, but also reduces waste and loss caused by the uneven bamboo curtain, thereby improving the overall production efficiency.

The application relates to the field of compressive strength detection and discloses a compressive strength detection device for high-strength corrugated paper of new materials and a process thereof. The device comprises a controller, a lower supporting platform and an upper mounting seat arranged above the lower supporting platform. The upper mounting seat is driven to ascend and descend by a hydraulic lifting cylinder. The device further comprises a total pressure head mounted on the lower surface of the upper mounting seat through a rotating mechanism. The total pressure head comprises an outer cylinder, an inner pressure disc and an angle adjusting mechanism. The outer cylinder is a hollow cylinder with openings at the upper and lower ends, and the top end is rotationally connected with the upper mounting seat. The inner pressure disc is arranged at the bottom of the outer cylinder. The inner pressure disc is arranged in an inverted T-shaped structure. The vertical part of the inner pressure disc is rotationally connected with the outer cylinder through a hinged shaft. The inner pressure disc can be deflected in the left and right directions relative to the outer cylinder around the hinged shaft. A pressure contact is detachably mounted on the center of the bottom surface of the inner pressure disc. The angle adjusting mechanism is used for driving the inner pressure disc to deflect relative to the outer cylinder and locking the deflection angle, so as to realize compressive detection in different stress directions.

The utility model relates to the technical field of sponge pad production, and aims at providing a sponge pad pressing device, which comprises a bottom plate, an adjusting assembly is arranged below the bottom plate, a limiting assembly is arranged on the adjusting assembly, a lifting assembly is arranged on the side wall of the bottom plate, a driving assembly is arranged on the lifting assembly, a replacement assembly is arranged below the driving assembly, the position of the limiting plate can be flexibly adjusted through cooperation of the adjusting assembly and the limiting assembly, different sizes of sponge pads can be adapted to and effectively prevented from deviating, and the processing quality is ensured. The lifting assembly can accurately adjust the pressing height, and the driving assembly provides stable pressing force. The replacement assembly adopts bolt connection, the pressing plate can be quickly replaced, and the maintenance cost is reduced. The overall structure is reasonable, convenient to operate, improves production efficiency, reduces resource waste, and has remarkable practical value.

The invention relates to the field of film cutting, in particular to a multi-shaft linkage self-positioning type film cutting device and a photogravure press, the multi-shaft linkage self-positioning type film cutting device comprises a rack, a conveying mechanism and a cutting tool, the conveying mechanism and the cutting tool are arranged on the rack, a platform is arranged on the rack, a positioning mechanism is arranged on the platform, and the positioning mechanism comprises two sets of rolling shafts used for clamping a film; one group of rolling shafts are movable rolling shafts located at the front end of a thin film conveying path, the other group of rolling shafts are fixed rolling shafts located at the tail end of the thin film conveying path, and an anti-deviation structure used for being in linkage with a cutting tool in a matched mode to further fix the thin film is arranged over the platform and located between the movable rolling shafts and the fixed rolling shafts. The fixed rolling shaft and the movable rolling shaft cooperatively work to jointly clamp the film and prevent deviation, then the trigger piece moves along with the cutting tool to synchronously drive all the extrusion pieces to make close contact with the film, the air bag expands along with the trigger piece to tightly abut against the film, and the fixing effect is further enhanced.

The utility model discloses spoke end conical sheet adhering equipment which is used for adhering a conical sheet to the end of a spoke and comprises a machine frame, a driving device and a driving device. The adhesion assembly is arranged on the rack and is provided with a placing part and a pressing head; the placing part is suitable for flatly placing the conical sheet; the pressing head is positioned above the placing part and is suitable for reciprocating along a vertical first direction relative to the rack; the displacement assembly is arranged on the rack and is provided with a containing groove and a displacement mechanism; the containing grooves are suitable for containing the spokes and enabling the ends of the spokes to be exposed in the second direction, and the second direction is perpendicular to the first direction. The displacement mechanism drives the spokes to do reciprocating motion in the first direction, so that the spokes are located on the placing parts and adhere to the conical sheets; and the pressing head moves downwards and presses the end part of the spoke after the conical sheet is adhered to the end part of the spoke. According to the adhesion equipment, the conical sheets can be automatically adhered to the ends of the spokes, the production efficiency is improved, and the labor cost is reduced.

This utility model provides a self-clamping lifting door, characterized by including a lifting structure and a closing structure. The closing structure is provided on one side of the lifting structure, and the lifting structure and the closing structure are connected by welding. This utility model improves the closing structure, which is composed of connecting parts, fixing bolts, springs, a plate, a door panel, and a cabin. The closing structure can achieve the clamping and sealing of the cabin and the door panel through fixing bolts and springs, replacing the existing technology that uses a cylinder to provide clamping force, reducing procurement costs. The bolt and spring structure is simple, and only periodic checks are needed to check whether the bolts are loose and whether the springs have lost their elasticity, significantly reducing maintenance costs. Once the bolts and springs are installed and adjusted, as long as their materials and specifications are selected appropriately, they can provide stable clamping force, unaffected by external factors such as air sources, and can be used in high-temperature and high-pressure environments, reducing the occurrence of failure points.

This invention provides a marine single-sided mounting multi-stage removable sealing device, comprising a primary sealing base and a secondary sealing base. The primary sealing base is composed of at least two axially mirror-symmetrically arranged split sealing units spliced ​​together. The primary sealing base includes a sealing section with a radial width greater than the diameter of the bulkhead opening, and a connecting rod perpendicularly connected to one side of the sealing section and passing through the bulkhead opening. The secondary sealing base has a radial width greater than the diameter of the bulkhead opening. The secondary sealing base and the sealing section are located on opposite sides of the bulkhead opening, respectively, for sealing the bulkhead opening. The connecting rod passes through the secondary sealing base and is detachably connected to it. This removable sealing device achieves multi-stage compression sealing, is easy to install and disassemble quickly without damaging the structural material, and is a reusable sealing device. It can be installed and sealed from a single outer side of the hull and is suitable for temporary sealing of pipe penetrations, process holes, and other locations.

The utility model provides a pressing nail and disc spring sleeve combined structure which is used for connecting a clamping piece and a cushion block of a transformer, and belongs to the field of pressing nail structures of transformers. The pressing nail and disc spring sleeve combined structure comprises a bolt, a first nut, a sleeve, a gasket, a second nut and at least one disc spring, a mounting through hole is formed in the clamping piece, the sleeve penetrates through the mounting through hole in a sliding mode, and the bolt sequentially penetrates through the first nut, the sleeve, the gasket and the second nut and is connected with the cushion block in a pressing mode. The first nut and the second nut are in threaded fit with the bolt and fix the sleeve and the gasket to the bolt, the two ends of the sleeve are provided with axially-protruding limiting blocks respectively, the first nut and the gasket are provided with limiting grooves matched with the limiting blocks in an aligned mode respectively, the limiting blocks are inserted into the limiting grooves, the sleeve is sleeved with the belleville spring, and the belleville spring is sleeved with the belleville spring. The two ends of the belleville spring abut against the clamping piece and the gasket respectively. According to the structure, the anti-vibration capacity of the pressing nail is remarkably improved, it is ensured that pressing force is durable and stable, and the pressing nail deviation and loosening risks caused by vibration are reduced.

A kind of self-moving steel structure bridge for open-pit mine, including trestle, transport platform, rotating mechanism and walking mechanism, rotating mechanism includes mutually meshing support bearing inner ring, support bearing outer ring, walking mechanism includes outer telescopic platform and inner telescopic platform, the top surface of transport platform is respectively hinged with the inner end of one trestle, the outer end of trestle is overlapped with the top of soil heap, the four corners of transport platform are each provided with a group of gear box, gear column, the bottom of transport platform is connected with support bearing outer ring, support bearing inner ring is connected with the top of outer telescopic platform, the two sides of outer telescopic platform are in turn engaged with the output end of outer extension beam, outer rack and gear machine, the rear end of gear machine is connected with the bottom of inner telescopic platform, the bottom of inner telescopic platform is connected with support foot through multiple support oil cylinders.The design not only can move with open-pit mine boundary, and can avoid dump truck, coal truck route intersection, and can be reused, strong adaptability, reduce use cost.

The invention discloses flattening equipment for garment processing, and relates to the technical field of garment processing, the flattening equipment comprises a protection box, a feeding port is formed in the outer side wall of the protection box, a mounting groove is formed in the protection box, a sliding block is arranged in the mounting groove in a sliding mode, a connecting rod is arranged on the sliding block, a rotating pipe is arranged in the protection box, and the rotating pipe is connected with the feeding port. Pressing rollers are arranged outside the connecting rod and the rotating pipe, heating pipes are arranged inside the pressing rollers, a movable rod is arranged on the sliding block, a fixed rod is arranged inside the protection box, a first scraping plate is arranged on the movable rod, and the first scraping plate and a second scraping plate make contact with the outer portions of the pressing rollers. Transmission blocks are arranged at the ends, close to each other, of the first scraping plate and the second scraping plate, an elastically-supported double-roller structure is adopted, cloth of different thicknesses can be adapted, stable pressing force is provided, the cloth is rapidly shaped under the synergistic effect of pressure and heating power, and the wrinkle removing effect and flatness are improved.

The invention discloses an ensilage corn straw forage grass processing device and method, and relates to the field of ensilage corn straw forage grass processing.The ensilage corn straw forage grass processing device comprises a support, a processing bin and a feeding frame, the feeding frame is fixedly connected to one end of the processing bin, and the support is supported at the bottom of the processing bin and the bottom of the feeding frame; and a motor bin is fixedly mounted at the bottom of the treatment bin and located on the inner side of the support, and a feeding structure is arranged on the upper portion of the feeding frame. According to the silage corn straw forage grass processing device and processing method, the elastic feeding roller pressed by the spring is additionally arranged, a self-adaptive pressing conveying mechanism is formed, the structure can automatically compensate for the thickness and density changes of a straw layer, stable and sufficient pressing force is provided all the time, and the processing efficiency is improved. The straw is continuously, uniformly and forcibly fed into a crushing area, so that the problems of slipping, returning and material blocking are fundamentally solved, a solid foundation is laid for stable and efficient operation of subsequent procedures, and the reliability of continuous operation of equipment is remarkably improved.

This utility model relates to the field of locking device technology, and more particularly to a rapid locking device for ICT testing of elastic probe arrays. Its technical solution includes a testing frame and a driver mounted on the testing frame for testing. It also includes a fixing plate fixedly mounted on the bottom surface of the driver. The bottom surface of the fixing plate has multiple insertion holes, and insertion blocks are inserted into each insertion hole. An elastic probe for testing is fixedly mounted at one end of each insertion block. A sliding groove is formed on one side of the fixing plate, and a limiting component for limiting the movement of the elastic probe is slidably mounted inside the groove. This utility model achieves the effect of quick and convenient installation and replacement of elastic probes. After inserting the insertion block into the insertion hole, pushing the sliding strip of the limiting component causes the locking hole to engage the insertion block, thus completing the fixing. This greatly shortens the installation time and improves work efficiency.

The present application relates to the technical field of measuring tools, and particularly relates to a pressing mechanism with an angle measuring function, which comprises a pressing assembly, a positioning member mounted on a workbench surface, a horizontal pressing member arranged in the middle section of the positioning member and used for pressing the side surface of a workpiece, and a vertical pressing member arranged on the top of the positioning member and used for pressing the top of the workpiece; an angle measuring assembly is respectively mounted on the clamping end of the horizontal pressing member and the vertical pressing member, and the angle measuring assembly comprises a measuring member, a pressing block arranged on the measuring member and used for abutting against the workpiece, and an indicating needle driven by the pressing block and used for displaying the angle of the workpiece. The pressing block is rotationally connected with the housing through a driving gear, so that when the workpiece needs to be placed at a certain angle, the pressing block can rotate by itself to abut against the outside of the workpiece, thereby not only exerting a stable pressing force on the workpiece, but also driving the indicating needle to rotate, thereby saving time and effort.

The utility model relates to pathological tissue processing technical field, specifically disclose embedding box fixing device, include: the limit base, it is the basic bearing structure of device, provides stable installation and support reference for whole fixing device, embedding box placing groove is established to the limit base upper end, and embedding box placing groove inside provides the installation space for embedding box. The embedding box fixing device, the limit base is as the basic bearing structure, and the embedding box placing groove of its upper end is the initial placement area of embedding box, when using, embedding box is put into the groove, and the protective backing board preliminarily buffers and limits embedding box bottom sliding with the help of the elastic and antiskid characteristics of its own material quality, completes basic positioning, simultaneously, the limit pin of limit base both ends cooperates with the sliding frame of side, and the limit pin is limited sliding frame initial position through with sliding frame side wall abutment, ensures its sliding before with embedding box placing groove opening alignment, prepares for subsequent fixedly encloses.

The invention belongs to the technical field of cloth detection, and particularly discloses a cloth waterproofness detection mechanism. Comprising a basic supporting frame, a top bearing frame, a supporting stand column, a clamping mechanism, a detection mechanism and a collection mechanism, the top bearing frame is arranged at the top of the basic supporting frame, the supporting stand column is fixed to the middle of the top bearing frame, and the clamping mechanism is installed at the bottom of the top bearing frame and connected with the bottom of the supporting stand column at the same time; the detecting mechanism and the collecting mechanism are both installed in the middle of the basic supporting frame. According to the cloth waterproofness detection mechanism, by arranging the clamping mechanism, the function of pulling the top face of the pressing rod through the operating handle to enable the sliding guide rail to ascend is achieved, one end of cloth is arranged between the pressure plate and the pressing rod, the pressing rod applies pressure to the cloth on the top face of the pressure plate through the stretching effect of a spring, and therefore pressing and fixing are achieved; and the same operation is performed on the other end of the cloth, so that the problem that the cloth is wrinkled in an original device is effectively solved.

The present invention relates to the technical field of cable docking, and discloses a cable quick wiring device and a quick connection method thereof, comprising a wire-smoothing mechanism, wherein the wire-smoothing mechanism also comprises a plurality of wiring platforms, wherein a plurality of placement slots 1 are provided inside the plurality of wiring platforms, and a plurality of placement slots 2 are provided inside the plurality of wiring platforms, and further comprising: an extrusion mechanism, wherein the extrusion mechanism comprises a fixed block fixedly connected to the inner wall of the placement slot 2, and utilizes the force of an electric telescopic rod to drive the wiring platform at the bottom to move so that it is close to the wiring platform at the top, and pre-tightens the cable, so that a plurality of conveying wheels contact the cable, and the cable can be conveyed, and when the wiring platform at the bottom rises, the fixing frame will enter the sliding hole, and the fixing frame will be close to the sliding rod 1, and since the side wall of the fixing frame and the bottom of the sliding rod 1 are both inclined, when the fixing frame contacts the sliding rod 1, the fixing frame will squeeze the sliding rod 1.

This invention relates to the field of pipe cutting equipment technology, and discloses a circumferential cutting device for power MPP cable conduits. The device includes a frame, a lower support roller frame movably mounted on the frame, a cylinder seat rotatably mounted inside the frame, a hydraulic cylinder fixedly mounted on the cylinder seat, and a U-shaped swing beam rotatably mounted inside the frame above the hydraulic cylinder. A base is fixedly mounted at one end of the U-shaped swing beam, and a pressure block is fixedly mounted at the other end. An axial tension compensation positioning mechanism, including a carrier plate, is movably mounted on one side of the frame. The circumferential tension compensation positioning mechanism, with its multi-stage tension and compression springs with varying stiffness coefficients, achieves segmented downward pressure. During operation, the positioning roller first rolls and presses down on the second separated pipe segment, thereby restraining its downward deviation caused by its own weight and preventing chipping or partial breakage of the cut due to additional shearing action.