127results about How to "Avoid clamping" patented technology

The present invention discloses a pipe gear rolling machine and a gear rolling method, which belong to the technical field of pipe processing. The pipe gear rolling machine includes a pipe conveying mechanism, a gear rolling main machine and a through-rod conveying mechanism. The pipe conveying mechanism includes a pipe conveying frame, a pusher assembly arranged on the pipe conveying frame and a plurality of pipe roller assemblies arranged along the length direction of the pipe conveying frame. The pusher assembly includes a push rod and a push rod driving mechanism. A follower pipe head is rotatably arranged on the push rod, and a ring table is arranged on the follower pipe head. The push rod driving mechanism includes a driving wheel, a driven wheel, a synchronous belt and a push rod driving motor, and the push rod driving motor is connected to the driving wheel through a clutch. The push rod of the present invention can push the pipe to be loaded, the through-rod can support the pipe, and the pipe can maintain the insertion fit with the push rod when the pipe is discharged. The push rod is passively pushed back from the pipe, which reduces or even avoids the jumping, noise and the throwing out of the cutting fluid in the pipe during the processing and discharge of the pipe, thereby ensuring the tooth rolling quality of the pipe.

The invention provides a gear inner hole grinding device and a grinding method thereof, and belongs to the technical field of gear inner hole grinding. Comprising a grinding mechanism and a gear, and the grinding mechanism comprises a mounting frame and a double-rod air cylinder; a clamping assembly used for fixing the gear and polishing one side face of the gear is installed between the two lugs of the installation frame. According to the gear grinding device, by arranging the clamping assembly, gears with different diameters can be clamped in a matched mode conveniently, the tedious clamping process is avoided, operation is easy and convenient, meanwhile, the gear grinding device can be matched with one side walls of the gears with different sizes for grinding, and certain operation procedures of operators are reduced; according to the gear grinding device, inner holes of gears with different inner hole diameters can be matched for grinding, the other side wall of each gear can be conveniently ground, the gears and the grinding device can be accurately and rapidly cooled, a grinding head is prevented from being replaced when the inner holes of the gears with the different inner hole diameters are ground, certain operation procedures of operators are reduced, and meanwhile waste of cooling liquid is avoided.

The utility model discloses a special device for automatic laser welding of an ultrathin metal drum, which belongs to the technical field of welding equipment and comprises a workbench, a laser welding component and a clamp component, the clamp component comprises a first fixing plate, a first driving motor, a first half die, a second half die, a middle plate, a cylinder component and a second fixing plate, a first groove is formed in the first half die, a second groove is formed in the second half die, the metal barrel blank comprises a first half blank and a second half blank, the first groove is used for containing the first half blank, and the second groove is used for containing the second half blank. According to the die, the two half dies and the two grooves are arranged, and the two grooves have a good fixing effect on a blank, so that the blank is prevented from sliding; the clamp assembly clamps a metal barrel blank, the laser welding assembly performs automatic laser welding, the welding efficiency is high, the welding effect is good, and the product percent of pass is high.

The invention belongs to the technical field of valve plate machining, and discloses a metal cutting device for valve plate machining and a cutting method.The metal cutting device comprises a base, an annular groove is formed in the position, close to the outer side face, of the top end of the base, supporting rods are movably clamped in the annular groove at equal angles, and a mounting base is fixedly mounted in the middle of the top end of the base; a servo motor is fixedly mounted in the middle of the top end of the mounting seat, an electric push rod is fixedly mounted at the output end of the servo motor, and a movable plate is fixedly mounted at the output end of the electric push rod. The clamping state of the clamping assembly is utilized, cooperation between the clamping assembly and a limiting groove and the effect of a rolling wheel are utilized, so that the device can rapidly switch the clamping position in the clamping state, and the problem that the clamping position of a traditional device can be changed only by repeatedly clamping and loosening is solved; operation steps are effectively simplified, adjusting time is shortened, and cutting efficiency is remarkably improved.

The invention relates to an automatic U-shaped pipe punching machine and a U-shaped pipe punching machining method. An automatic punching machine for U-shaped pipes comprises a punching assembly and a storage assembly, the storage assembly comprises a storage frame used for limiting translation of stored pipes to be machined, the storage frame forms a storage space, and a positioning assembly and the punching assembly are arranged on the side of the storage space. A discharging opening communicating with the storage space is formed in the lower end of the storage frame, the positioning assembly comprises a supporting block located on the side of the discharging opening, a first limiting block and a positioning block, and the supporting block moves to the discharging opening or is laterally away from the discharging opening under the action of a first driver; the first limiting block is far away from or close to the material storage space under the action of the second driver, and the positioning block is close to the material storage space and extends into the pipe to be machined or far away from the material storage space under the action of the third driver. The punching device has the advantages that the production efficiency can be improved, and the punching machining precision is guaranteed.

The utility model discloses a film coating device for producing semiconductor accessories, which is applied to the field of semiconductors and comprises a base, four supporting columns are fixedly connected to the top surface of the base, a top plate is fixedly connected to the top surfaces of the four supporting columns, a placing seat is fixedly connected to the top surface of the base, and the placing seat is fixedly connected to the top surface of the base. A fixing mechanism facilitating taking and placing of a semiconductor is arranged in the placing base, coating mechanisms are arranged on the two sides of the top plate, and when the semiconductor coating device is used, the semiconductor can be taken and placed in the placing base through the fixing mechanism, and the semiconductor placed in the placing base can be automatically clamped and fixed; and meanwhile, clamping and fixing are automatically relieved when the semiconductor is taken out, so that the semiconductor can be conveniently taken and placed before and after film coating, meanwhile, the semiconductor can be conveniently clamped and fixed after being placed, the semiconductor is prevented from deviating during film coating, film coating liquid can be uniformly sprayed and coated on the surface of the semiconductor through the film coating mechanism, and the film coating efficiency is improved. And high-efficiency film coating operation on semiconductors is realized.

The utility model provides a clamping device with an adjustable assembly rod, which relates to the technical field of clamping devices and comprises a mounting plate, a mounting block is fixedly mounted on the upper surface of the mounting plate, a threaded rod is in threaded connection with the inside of the mounting block, one end of the threaded rod is rotatably connected with a mounting frame, a rotating head is fixedly mounted at one end of the threaded rod, and a rotating shaft is fixedly mounted at the other end of the rotating head. According to the clamping device, by arranging the limiting block, the limiting rod, the push plate, the spring, the two-way lead screw, the rotating disc, the clamping plate, the electric telescopic rod and the pressing plate, different workpieces can be clamped, and the clamped workpieces can be rotationally adjusted; and the situation that the position of the workpiece is inconvenient to adjust after clamping, and other positions of the workpiece can be conveniently machined only by changing the position of a worker is avoided, the workpiece adjusting process is simplified, the moving process of the worker is omitted, the working efficiency of machining of the worker is improved, and practicability is high.

The utility model provides a drill point blade portion clamping mechanism with a stable structure and a material supporting mechanism, the drill point blade portion clamping mechanism with the stable structure comprises a clamping driving piece, a clamping piece and two clamping jaws, the clamping piece is provided with a clamping jaw end and a driving end, a swing fulcrum portion is arranged between the clamping jaw end and the driving end, and the swing fulcrum portion is arranged on the clamping jaw end. Swinging parts are arranged on the two sides of the swinging fulcrum part, an upper opening and closing swinging notch is formed in the clamping jaw end, an upper swinging groove and a plurality of lower swinging grooves are formed in the swinging fulcrum part, the clamping jaw is fixedly arranged at the clamping jaw end, a lower opening and closing swinging notch is formed in the driving end, and a stable elastic connecting plate is arranged on the lower opening and closing swinging notch. According to the clamp holder, the problem of machining concentricity of a clamp holder in the prior art can be solved, by using the product structure, the stable elastic connecting plate provides pulling force for the two swing parts, it is guaranteed that the swing sizes of the two swing parts are consistent, meanwhile, force is applied, the problem of clamping concentricity deviation is solved, and the machining efficiency is improved. And the competitiveness of enterprises can be improved.

The utility model provides an electronic component welding device, which relates to the technical field of electronic component welding, and comprises a base and a support plate, the top of the support plate is symmetrically provided with chutes, the bottom of the support plate is symmetrically and fixedly provided with connecting blocks, the top of the support plate is provided with a clamping mechanism, and the top of the base is provided with a rotating mechanism. According to the utility model, the circuit board is placed between the two moving blocks for electronic component welding, and the circuit board can be fixed by rotating the bidirectional threaded rod to cooperate with the two moving blocks, so that the circuit board is effectively prevented from shaking or displacing in the welding process, the welding difficulty is reduced, and meanwhile, the circuit board is prevented from being damaged in the fixing process. The clamping block firstly contacts with the side surface of the circuit during welding of the electronic element, and the circuit board can be effectively clamped by matching with the incomplete contraction state of the spring electronic element during welding, so that the circuit board deformation caused by improper force of welding personnel can be effectively avoided.

The invention belongs to the technical field of mechanical equipment, and discloses a drilling device for mechanical manufacturing, which comprises a base, a top plate is fixedly connected to the outer wall of the top end of the base, a moving plate is arranged on the outer wall of the bottom end of the top plate through an air cylinder, and a drill bit is fixedly connected to the outer wall of the bottom end of the moving plate. A motor is fixedly connected to the outer wall of the top end of the moving plate, a cleaning mechanism is arranged on the outer wall of the top plate, a dust suction mechanism is arranged on the outer wall of the base, and a fixing mechanism is arranged on the outer wall of the base. The fixing mechanism comprises a fixing disc. Through cooperation of structures such as the clamping block and the rotating plate, the fixing block is shifted to drive the rotating plate to rotate, the fixing block and the rotating plate can be limited, the position of the clamping block is fixed, and a circular workpiece can be conveniently and rapidly clamped and fixed; and therefore, the problem that the circular workpiece can be clamped and fixed only by rotating a bolt or a threaded rod for multiple times is solved, and the device is more convenient and faster.

The utility model discloses a drilling machine for deep hole machining of a high-purity graphite product. The bottom of the positioning device is fixedly connected with the top of the workbench, and the outer side of the dust removal device is fixedly connected with the inner wall of the workbench. According to the device, a positioning device, an upper inclined plate and a lower inclined plate are matched to form a splayed shape, the upper surface of a graphite product extrudes the upper inclined plate and a moving frame to move upwards, the moving frame drives a piston rod in a piston piece to move upwards until the graphite product is pushed to be placed on a placing frame, and the bottom of the graphite product is supported through a notch plate; the large area of the graphite is in a suspended state, a drill bit can conveniently and completely penetrate through the graphite, the position of the movable frame is adjusted according to the thickness of the graphite, the graphite product is conveniently clamped and fixed, the position of the graphite is prevented from deviating during deep hole machining, and the purpose of deep hole machining is achieved.

The utility model discloses a laser cutting machine adopting laser measurement and correction, which comprises a machine tool, a movable cross beam arranged on the machine tool in a sliding manner, a laser cutting component arranged on the movable cross beam, a first laser distance measuring sensor arranged on the laser cutting component, a conveying belt arranged on the machine tool, and a clamping component arranged on one side of the conveying belt, a feeding mechanism is arranged on the other side of the conveying belt and comprises a discharging assembly and a pushing assembly, and a second laser distance measuring sensor set is arranged at the top of the feeding mechanism. The two laser distance measuring sensors are adopted and located on the cutting assembly and the feeding mechanism respectively, the cutting distance and the material position can be monitored in real time, and the accuracy of the cutting process is guaranteed; and through cooperation of the hydraulic cylinder and the push plate, the automatic feeding function is achieved, the production efficiency is greatly improved, and meanwhile the labor cost and the operation difficulty are reduced.

This utility model relates to a steel twist drill clamping device, belonging to the field of steel twist drill technology. It includes a positioning connecting seat, an annular mounting seat, and a U-shaped fixing seat. The positioning connecting seat has a mounting hole into which the steel twist drill body is inserted. An extension connecting cylinder is fixedly installed on the inner wall of the positioning connecting seat. The annular mounting seat is rotatably mounted on one end of the extension connecting cylinder. The U-shaped fixing seat is fixed to the inner wall of the annular mounting seat and is evenly distributed circumferentially on the inner wall of the annular mounting seat. A clamping and positioning component for clamping and fixing the steel twist drill body is installed on the U-shaped fixing seat. A lifting indicator head is installed on the clamping and positioning component, with one end of the lifting indicator head corresponding to a scale on the side wall of the U-shaped fixing seat. This utility model can provide stable clamping from multiple directions and accurately control the clamping force and position, preventing tilting of the steel twist drill body, effectively avoiding over-clamping or unstable clamping, and ensuring smooth drilling operations.

This utility model discloses an electronic information engineering circuit connection device, including a coupling sleeve, an adjusting sleeve rotatably provided on the outer side of the coupling sleeve, a limiting sleeve slidably provided on the outer side of the coupling sleeve, a spiral rod provided on one side of the limiting sleeve, multiple moving blocks provided on one side of the adjusting sleeve, a screw-in sleeve provided on the outer side of the spiral rod, a tension spring provided on the outer side of the moving blocks, a migration sleeve provided on the outer side of the coupling sleeve, a conversion sleeve rotatably provided on the outer side of the coupling sleeve, a drive gear provided on one side of the conversion sleeve, multiple cylindrical blocks provided on the outer side of the coupling sleeve, an adapter groove inclinedly opened in the coupling sleeve, a transmission gear provided on one side of the screw-in sleeve, an adapter plate slidably provided in the adapter groove, an adapter block provided on one side of the adapter plate, a configuration spring provided on one side of the adapter block, a holding plate provided at the other end of the configuration spring, and a transmission rod provided on one side of the holding plate. This utility model realizes the protection of the cable connection point, ensures the adapter clamping of the cable, and ensures the clamping stability.

The utility model is suitable for the technical field of medical instruments, and provides a transmission assembly of a robot surgical instrument and the surgical instrument. The transmission assembly of the robot surgical instrument comprises a transmission shaft, a butt joint piece and an elastic piece. In the rapid clamping movement process of the working end of the surgical instrument, the elastic piece can generate a certain amount of elastic deformation, and the torque at the butt joint piece is transmitted to the transmission shaft, so that the transmission shaft is kept in a rotating state; after an object is clamped by the working end of the surgical instrument, the transmission shaft stops rotating, but the power unit cannot stop immediately due to the overshoot effect of the butt joint piece during speed reduction of the power unit. At the moment, buffering can be conducted through further elastic deformation of the elastic piece, the situation that torque generated by the power unit due to the overshoot effect continues to be transmitted to the working end of the surgical instrument through the transmission shaft is avoided, and then the situation that the surgical instrument is too large in clamping force or loosened and damaged is avoided.

The utility model discloses a bench clamp convenient to mount and dismount, and relates to the technical field of clamps, in particular to the bench clamp convenient to mount and dismount. Comprising a main body, a positioning hole, a clamp, a pneumatic device, a chromium-molybdenum alloy steel interlayer base, a chromium-molybdenum alloy steel clamping block, a transmission shaft, a hydraulic adjusting block, a driven shaft, a rapid clamping device and a rapid die changing device. In the utility model, in the workpiece processing flow, the chromium-molybdenum alloy steel interlayer base and the clamping block are used for providing stable support, the quick clamping device is used for quickly mounting the workpiece, and the quick die changing device is used for quickly changing the clamp, so that the downtime is greatly shortened, and the production efficiency is improved. The pneumatic device and the hydraulic adjusting block accurately adjust the clamping force, and the stability of the workpiece is guaranteed. All functional assemblies are integrated to achieve rapid, accurate and stable workpiece clamping and machining, the product quality and the production efficiency are improved, manpower consumption is reduced, and the operation time is shortened.

The utility model relates to the technical field of fixing devices, in particular to an adjustable facility agriculture windproof net fixing device which comprises a device body, the device body comprises a mounting frame, and a clamping plate is arranged on one side of the mounting frame; an adjusting mechanism is arranged on the back of the clamping plate and comprises a supporting plate, and a fixing screw is inserted into the supporting plate. After the guide rod is rotationally connected into the threaded hole formed in the supporting frame, the sliding block is pressed to enable the supporting spring to contract, so that one end of the guide rod is inserted into the movable groove formed in the supporting plate, then the sliding block is released, and then the nut is rotationally connected to the outer surface of one end of the fixing screw rod; the supporting plate is clamped and fixed through cooperation of the nuts and the mounting frame, so that the effect of adjusting the distance between the mounting frame and the clamping plate is achieved, and the problem that if the windproof net is too thin, the fixing device cannot stably clamp and fix the windproof net is solved.

The present invention relates to the technical field of regulating valves, and specifically to a regulating valve body processing turning tool, comprising a clamping mechanism, a supporting mechanism and a turning mechanism, wherein the supporting mechanism is installed on the surface of a machine tool body, the turning mechanism is arranged at the lower end of the supporting mechanism, and the clamping mechanism is installed at the upper end of the supporting mechanism. The present invention gradually brings the two ends of a steel strip closer together through a clamping assembly, thereby controlling the surrounding area of ​​the steel strip. Under the action of the steel strip, the displacements of four claw columns change synchronously. When the surrounding area of ​​the steel strip becomes larger, the clamping claws loosen, and the metal blank is aligned. When the surrounding area of ​​the steel strip becomes smaller, the four clamping claws are gradually held tightly by the steel strip, and the four clamping claws complete the fixed clamping of the metal blank. The present invention can automatically adjust the support position and angle when the workpiece is turned over by the claw column, and evenly distribute the load at the same time. The clamping claws can adapt to workpieces of different sizes and shapes, and ensure that they are always firmly clamped during the turning and processing process.

The utility model discloses a high-precision tire mold cavity processing and fixing tool, which belongs to the technical field of tire molds and comprises a workbench, inverted L-shaped clamping plates are symmetrically arranged on the top surface of the workbench, lifting mechanisms are mounted on the top surfaces of the two clamping plates, a vertical plate is fixedly mounted on the top surface of the workbench and positioned on one side of the two clamping plates, and the vertical plate is fixed on the workbench. A hydraulic cylinder is fixedly installed on the side face, away from the two clamping plates, of the vertical plate, a piston rod of the hydraulic cylinder penetrates through the vertical plate to be fixedly connected with one clamping plate, rectangular blocks are symmetrically installed on the opposite side faces of the two clamping plates, and threaded rod pieces are rotationally connected to the opposite side faces of every two rectangular blocks; the circumferential sides of the two threaded rod pieces are sleeved with movable blocks in a threaded mode, and the opposite side faces of the movable blocks are fixedly connected with clamping rods used for clamping a tire mold. According to the high-precision tire mold cavity machining and fixing tool, the problem that tire molds of different sizes are inconvenient to fix is solved, and the tire mold machining efficiency is improved.

The invention relates to the technical field of LED production equipment. The anti-blocking LED precise dispensing production detection integrated equipment comprises a movable base, a driving assembly, a three-jaw flexible chuck assembly and a detection feedback unit. The movable base drives the driving block to rotate through the motor, and multi-direction clamping is achieved. The driving assembly drives the chuck assembly to accurately stretch out and draw back through linkage of an air cylinder and a swing rod structure, and supports of different specifications are adapted. The three-jaw flexible chuck assembly drives clamping jaws to be opened and closed synchronously through an air cylinder, and flexible clamping is achieved through silica gel non-slip mats on the inner sides of the clamping jaws. A pressure sensor and a displacement sensor of the detection feedback unit collect clamping force and positioning data in real time and transmit the clamping force and positioning data to the master control system so as to dynamically adjust parameters. The equipment integrates clamping, adjusting and detecting functions, the clamping precision and stability are improved, support damage is reduced, the problems that traditional equipment is poor in adaptability and lagged in detection are solved, and the LED production efficiency and the qualified rate are improved.

The invention discloses drilling equipment for machining a building metal pipe fitting, relates to the technical field of drilling, and aims to solve the problems that a worker can only control the drilling forward speed and cannot accurately control the drilling pressure of a drill bit on the pipe fitting when drilling the pipe fitting by using the drilling equipment due to the fact that the material of the building metal pipe fitting is different from the thickness of the pipe wall. Through sliding connection of a groove ring of a groove disc and a sliding disc, the sliding disc slides in an adjusting groove of a threaded cylinder in the process of rotating and adjusting the position, the compression degree of a spring is changed, different pressures are provided for the surface of the pipe in the drilling process, and in the process that workers drill the building pipe, the pipe is not prone to deformation in the drilling process. The drilling pressure adjustment can be performed according to the difference between the pipe fitting material and the pipe wall thickness, so that the pipe fitting can be drilled within a proper pressure range during drilling, and the pipe fitting deformation caused by overlarge drilling pressure force is avoided.

The utility model discloses a multi-station liquid crystal display screen glass substrate automatic alignment cutting device, and relates to the technical field of liquid crystal display screen production. The laser cutting device comprises a cutting table, a displacement assembly is arranged on the upper side of the cutting table, a rotating assembly is arranged at the moving end of the displacement assembly, and an elastic extrusion assembly and a laser gun are arranged at the rotating end of the rotating assembly. The elastic extrusion assembly and the laser gun are driven to move on the glass substrate through the displacement assembly and the rotating assembly, the moving laser gun cuts the glass substrate at the moment, and the elastic extrusion assembly extrudes the two sides of the cutting position of the glass substrate. The cutting position of the glass substrate is not easy to vibrate under the extrusion of the elastic extrusion assembly, and the phenomenon that the adsorption force of the adjustable adsorption assembly is attenuated due to the vibration of the glass substrate is effectively avoided, so that the cutting path of the glass substrate is not easy to deviate, and the edge of the glass substrate is not easy to crack.

The application discloses a production process of a three-breaded gold-plated gold finger, which is connected to the front end of the gold finger in the form of outer pull lead + silk screen wet film, makes the gold finger conductive with the whole PCB board surface, completes the production of the gold-plated gold finger in the form of electroplated nickel gold, then etches off the lead, and then carries out the production of the post-process; the main key points of the process are as follows: the quality of the silk screen wet film, the temperature and time of pre-baking, the exposure energy, the parameters during the plating of the gold finger, and the quality during the etching of the lead; the production process is simple and easy to implement, optimizes the production process of the three-breaded gold-plated gold finger, solves the lead residue caused by the traditional hand tearing lead process and the abnormal plating caused by the dry film pressing or blue glue pressing process, and the produced gold finger has better operability, higher yield and better quality, and can be mass-produced.

The storage box for motor flange machining comprises a storage box body, a plurality of containing plates and an adjusting clamping device, the containing plates are arranged in the storage box body, the containing plates are distributed at equal intervals, inserting plates are fixedly connected to the two sides of each containing plate, inserting grooves are formed in the two sides of the inner wall of the storage box body, and the adjusting clamping device is arranged on the inner wall of the storage box body. The multiple inserting grooves are formed and distributed at equal intervals, the inserting plates are movably connected with the inserting grooves, and the adjusting clamping device is movably installed at the top of the containing plate. Through the arrangement of the material lifting plate, the motor flanges on the placing plate can be lifted and conveniently taken out through the use of the material lifting plate, and the problems that in the using process, the stacked motor flanges are clamped through the limiting plate, a structure for assisting in taking the motor flanges is not arranged, and the motor flanges which are horizontally placed are attached to the placing plate, so that the motor flanges cannot be conveniently taken out are solved. The problems that when an operator takes horizontally stacked motor flanges, time is wasted, and therefore certain limitation exists are solved.

The utility model relates to the technical field of valves, in particular to a ball fixing device for ball valve machining, which comprises an operation table, a fixing mechanism for fixing a ball of a ball valve is arranged on the operation table, the fixing mechanism comprises a mounting plate, the mounting plate is fixedly connected to the right side of the operation table, and a cylinder is mounted on the mounting plate. The output end of the air cylinder is leftwards and fixedly connected with a first clamping plate, the middle position of the left side of the top end of the operation table is fixedly connected with a second clamping plate, the first clamping plate and the second clamping plate are designed to be hollowed out, and fixing rods are fixedly connected into the first clamping plate and the second clamping plate; according to the clamping device for the ball valve, clamping of a ball body of the ball valve is achieved through cooperation of the operation table and the clamping mechanism, the clamping device is easy to operate, direct clamping of the clamping flat plate on the ball body of the ball valve is avoided, deviation of the ball body or clamping damage caused by the clamping flat plate is effectively avoided, and practicability is high.

This invention relates to the field of distribution box guide rail shearing equipment, specifically to a guide rail shearing device for distribution boxes, including a frame, a shearing mechanism, and clamping mechanisms disposed on both sides of the outside of the shearing mechanism. A main clamping unit is disposed below the clamping mechanism, and a secondary clamping unit is disposed outside the main clamping unit. The main clamping unit includes a fixing rod disposed outside the clamping mechanism, and one end of the two fixing rods is fixedly connected to a hollow box. This invention utilizes a linkage design between the main clamping unit and the rotating sleeve. When switching guide rail models, the drive motor rotates the rotating sleeve, simultaneously replacing the contour block and corresponding arc-shaped push plate adapted to the guide rail cross-section. The arc-shaped push plates are arranged with gradually varying heights. After contacting the push rod, they push the adjusting plate to slide within the hollow box, compressing the clamping spring and thus changing the pre-compression of the clamping spring. This limits the initial clamping force that the clamping head can apply, achieving coarse adjustment of the clamping force to match the guide rail thickness.

The utility model provides a kind of cutting station sponge support structure on sponge ring cutting machine, it is related to sponge processing technical field, including support, two rotating connections in support pivot, a annular chain belt and two annular chains, the both ends of pivot are respectively fixedly provided with sprocket matched with chain, chain includes several chain links, chain belt includes the chain plate corresponding to chain link one to one, further include several with chain link one to one's pivot, pivot is simultaneously connected adjacent chain link and adjacent chain plate, several rollers are rotatably connected on chain, support has support step matched with roller on it.The utility model has the advantages of stable sponge support, high cutting precision.

The utility model discloses a kind of circuit board blind slot processing devices, it is related to circuit board processing technical field, including base, base outside is equipped with portal frame, inside is equipped with control circuit board, base upper end is equipped with Y-axis moving mechanism, its output end is connected with mobile placement plate, and mobile placement plate upper end is equipped with clamping assembly;Portal frame middle part is equipped with X-axis moving mechanism, its output end is connected with support plate, and support plate one side is equipped with down pressure air cylinder, down pressure air cylinder output end is connected with support base, and support base upper end is equipped with drilling motor, the clamping assembly of the utility model includes auxiliary plate, first clamping cylinder, first pressure sensor, first clamping plate, first guide rod, first infrared sensor, second clamping cylinder, second pressure sensor, second clamping plate, second infrared sensor and second guide rod, and infrared sensor and pressure sensor are electrically connected with control circuit board, can realize circuit board multidirectional automatic clamping, guarantee blind slot processing stability, improve processing efficiency.

The invention relates to the technical field of universal testing machines, in particular to a clamping device for a universal testing machine. Comprising a machine body with an upper cross beam and a lower cross beam, clamps are arranged on the upper cross beam and the lower cross beam respectively, at least one clamp comprises a shell with an opening in the upper end, a transmission block driven by a lifting mechanism is installed in the shell and provided with a wedge-shaped groove with an opening in the upper end, and a left clamping block and a right clamping block are installed in the wedge-shaped groove. The left side surface of the left clamping block and the right side surface of the right clamping block are consistent with the left surface and the right surface of the wedge-shaped groove in inclination angle, and the width of the lower bottom of each clamping block is smaller than 1 / 2 of the width of the lower bottom of the wedge-shaped groove and larger than 1 / 2 of the width of an upper end opening of the wedge-shaped groove. Transverse connecting structures are arranged on the two sides of the upper portions of the two clamping blocks, transverse guide grooves are formed in the upper end of the shell, and the outer ends of the transverse connecting structures are located in the transverse guide grooves and matched with springs in the transverse guide grooves. According to the invention, universal, efficient and reliable clamping of various samples is realized, and the accuracy and repeatability of testing are improved.

The invention discloses a fastening and mounting device and a mounting method for automobile accessories, and relates to the technical field of automobile accessories, comprising a fixing frame, a processing table is fixedly mounted on the top of the fixing frame, a support rod is fixedly mounted on the surface of the fixing frame, the top of the support rod is fixedly connected to the bottom of the processing table, a rectangular groove is opened on the top of the processing table, and also comprises a fastening device; wherein, the fastening device comprises an electric push rod, a C-shaped plate, a T-shaped rod, a rubber plate, a No. 1 spring, a hollow tube, a telescopic rod, a No. 2 spring and an L-shaped block, wherein the electric push rod is fixedly mounted on the top of the processing table, the C-shaped plate is fixedly mounted on the output end of the electric push rod, the T-shaped rod slides through the inner and outer walls of the C-shaped plate, contacts with the limit groove through the L-shaped block, ensures that the rubber plate stably clamps the automobile accessories, prevents the rubber plate from excessively squeezing the surface of the automobile accessories, and improves the stability of the automobile accessories during welding processing.