295results about How to "Improve clamping stability" patented technology

The application relates to the technical field of sheet metal processing equipment, and discloses a sheet metal bending machine with precise positioning function, which comprises a workbench, a first cavity and a second cavity are arranged in the workbench, the first cavity is located on the left side of the second cavity, the first cavity and the second cavity are in communication, an adjusting mechanism and a bidirectional mechanism are arranged in the first cavity; a vertical plate is fixedly installed on the right side of the top of the workbench, a horizontal plate is fixedly installed on the top of the left side of the vertical plate, a bending mechanism is arranged on the horizontal plate, a first seat hole and two second seat holes are arranged on the top of the workbench, the two second seat holes are respectively located on the front side and the rear side of the first seat hole, and a clamping seat is slidably installed on the top of the workbench. The sheet metal bending machine has the following advantages and effects: the first clamping mechanism and the second clamping mechanism are arranged, the sheet metal workpiece clamping stability can be improved, and the sheet metal workpiece can be prevented from being deviated during the bending process, so that the bending quality is affected.

The utility model belongs to the field of notebook computer detection, particularly relates to a notebook computer touch pressing detection device, and aims to solve the problems that a computer is adsorbed and fixed through a negative pressure system in the prior art, the negative pressure system depends on sealing performance to maintain pressure difference, a sealing element is possibly aged or damaged after long-term use, and the adsorption force is reduced. In order to solve the problems that in the prior art, the abrasion condition of a negative pressure system needs to be checked regularly, and the maintenance or replacement cost is high, the following scheme is provided that the device comprises a workbench and a detection module, the top of the workbench is provided with a clamping mechanism used for clamping a computer, and the workbench is provided with a moving mechanism used for moving the detection module; the two clamping plates can stably clamp a computer, the computer touchpad is prevented from shaking or being damaged in the detection process, the cleaning plate and the wiping cotton can be driven to move up and down, the cleaning plate and the wiping cotton are matched with the moving frame in a moving mode, the touchpad can be comprehensively cleaned, and interference of impurities such as dust on the detection result is reduced.

The utility model provides a kind of green laser welder, it is related to full tab electric core production technical field, including machine body, the side of machine body is fixedly installed with controller, the surface of machine body is fixedly installed with support, the top of support is fixedly installed with hydraulic cylinder one, the output end of hydraulic cylinder one is fixedly connected with lifting plate, the bottom of lifting plate is fixedly installed with mounting plate.The utility model drives bidirectional screw rod to rotate by starting motor, so that sliding block drives arc clamping plate to move towards, so different size negative current collector can be clamped, cooperate arc clamping plate inside natural rubber arc-shaped protective pad to further improve clamping stability, while rotating the rotating head on fixed plate, drive screw rod to rotate, so that protruding block drives lower pressing plate to move downwards, the surface of negative tab can be compacted and fixed, ensure that welding area is closely fitted, improve welding precision and product yield.

The utility model relates to the technical field of seamless steel tube processing, and discloses a seamless steel tube cold drawing device which comprises a base, a mounting plate is arranged above the base, four clamping mechanisms are arranged on the outer surface of the mounting plate, each clamping mechanism comprises a fixing frame mounted on the outer surface of the mounting plate, and a first motor is mounted on the outer surface of each fixing frame. The four clamping mechanisms surround the steel pipe and are matched with the first motor, the first threaded rod and the non-slip mat, pressure is evenly applied from multiple directions, meanwhile, the four electric push rods drive the top plate to jack up the inner wall of the steel pipe, the four electric push rods are matched with the four clamping mechanisms, the risk that a mold falls off is remarkably reduced, and the clamping stability is improved; the operation flexibility and applicability are enhanced, the steel pipe is effectively prevented from shaking and deviating, the quality defect is reduced, the qualified rate of finished products is improved, the shutdown overhaul frequency is reduced, the production continuity is guaranteed, in addition, potential safety hazards are eliminated, and a powerful guarantee is provided for safe production.

The present application relates to a kind of flexible peanut clamping conveying and low-loss multistage fruit picking device, including rack, the clamping conveying mechanism being arranged above the rack and the fruit picking mechanism being arranged on the rack below the clamping conveying mechanism, the guide mechanism for guiding peanut vine into the clamping conveying mechanism is arranged on the front of the clamping conveying mechanism of the rack, the clamping conveying mechanism is arranged along the length direction of the rack, and the clamping conveying mechanism is used to clamp peanut vine and convey along the length direction of the rack;When the clamping conveying mechanism clamps peanut vine and conveys, the peanut fruit at the lower end of peanut vine moves towards the fruit picking mechanism, and the fruit picking mechanism is used to pick the peanut fruit at the lower end of peanut vine.This application can reduce the breakage rate when peanut is picked, and at the same time improve the picking rate.

This invention discloses a welding clamping mechanism for metal parts of an elevator car, belonging to the field of elevator car metal part welding technology. It comprises a clamping mechanism one and a clamping mechanism two assembled on the outer surface side of the clamping mechanism one, with a welding robot arm mounted on the rear side of the outer surface of the clamping mechanism one. It includes a support frame installed at the middle of the upper surface of the clamping mechanism one, with a base plate connected to the upper surface of the support frame. This elevator car metal part welding clamping mechanism, with clamping mechanism one and clamping mechanism two assembled sequentially, facilitates alternating welding, saving material loading time. Side clamps, positioning components one and two limit and compress side rods one and two, improving the stability of the base plate during welding and preventing displacement. In conjunction with a heat-absorbing mechanism on the support frame, it performs heat absorption and cooling treatment based on the weld point position of the base plate, and works synchronously with a gas cooling system that can be linked.

The utility model discloses a warehouse uses handling robot, specifically related to handling robot technical field, including the supporting plate, the bottom of supporting plate is provided with the transfer subassembly, the transfer subassembly includes the electric slide rail of setting in the supporting plate bottom, both ends of electric slide rail all are provided with the hydraulic pressure rod of adjustable position, and all the output of each hydraulic pressure rod all is provided with the pull plate. The utility model discloses through setting transfer subassembly, the design such as pull plate's of taking material chuck head, can adapt baggy package, the box body and so on various shape goods, through the clamping groove structure of relative setting and enhance clamping stability, the meshing structure of electric slide rail and motor, gear, rack, can realize accurate displacement adjustment of transfer subassembly, satisfy the goods handling demand of different goods shelf area, the telescopic function of hydraulic pressure rod can be flexible adjustment pull plate's position, adapt the outside clamping handling of large -scale box body, expand equipment use scene.

The utility model relates to the technical field of casting part machining, and discloses a stabilizing device for casting part machining, which comprises a working table, a supporting bottom plate is fixedly connected to the center of the top of the working table, and fixing plates are fixedly connected to the centers of the edges of the front side and the rear side of the top of the supporting bottom plate. The tops of the two fixing plates are fixedly connected with a mounting plate, a stabilizing mechanism is arranged at the center position of the top of the supporting bottom plate, the stabilizing mechanism is arranged between the two fixing plates, and limiting vertical plates are arranged on the left side and the right side of the stabilizing mechanism correspondingly; a containing groove used for containing a casting part is formed between the limiting vertical plate and the stabilizing mechanism. By arranging the stabilizing mechanism, the casting part can be effectively fixed in the machining process, and the problem that the casting part shifts or deforms due to vibration or impact in the machining process is solved. Meanwhile, the structure is simple, operation and maintenance are easy, and the production cost is reduced.

This utility model discloses an automatic cutting and feeding device for automobile roof production, including a frame and a drive roller. The drive roller is arranged and installed inside the frame, and the device also includes a three-hole fixed plate and a cutting support mechanism. By setting the cutting support mechanism at the frame of the existing patented automatic cutting and feeding device, the main push rod of the cutting support mechanism drives the clamping plate to initially clamp the automobile roof material. At the same time, the auxiliary push rod drives the pressure plate below the guide plate to press down vertically through the corner connecting plate, so that the automobile roof material is tightly pressed against the drive roller and the surface of the T-shaped connecting plate. The sliding cooperation between the T-shaped connecting plate and the groove connecting plate forms a bottom support surface, effectively eliminating the suspended area of ​​the material and avoiding collapse and deformation of the automobile roof material due to insufficient support during cutting. Compared with the traditional clamping structure, the clamping stability is significantly improved.

The utility model relates to battery technical field, specifically provide a kind of battery welding fixture, including first clamping component and second clamping component, first clamping component includes the first datum and first clamping piece oppositely arranged along first clamping direction, first clamping piece can move along first clamping direction, and first datum is fixedly arranged;Second clamping component includes the second datum and second clamping piece oppositely arranged along second clamping direction, and second clamping piece can move along second clamping direction, and second datum is fixedly arranged;Wherein, first datum and first clamping piece include first clamping seat and first abutting piece;The first abutting piece of first datum is located between second datum and second clamping piece;First abutting piece includes two press-mounting components, and at least one press-mounting component in two press-mounting components is movably arranged in first clamping seat along second clamping direction.The utility model effectively improves the overall dimensional compatibility and clamping stability.

The utility model discloses a kind of clamps of laser engraving machine, it is related to clamping equipment technical field, and its technical solution main point is: including workbench, workbench is provided with rotating clamp and push clamp, rotating clamp includes rotating machine head and the drive mechanism for driving rotating machine head rotation, push clamp includes top block and the push mechanism for pushing top block along the length direction of workbench movement, rotating machine head is oppositely arranged with top block, workbench is provided with auxiliary clamp, auxiliary clamp includes support table and pressing mechanism, support table is arranged between rotating machine head and top block, and pressing mechanism includes pressing arm and the power component for driving pressing arm up and down swing.The clamp of the utility model's laser engraving machine is matched by pressing arm and support table, the middle end of rubber material body can be clamped and supported, effectively improve the clamping stability of clamp, so as to avoid rubber material from falling off in the process of engraving, guarantee the engraving effect.

This invention relates to the field of charging robot technology, specifically disclosing an automatic charging robot. The robot includes a mounting cover slidably mounted on a protective cover, with a linear module installed inside the protective cover. The slider of the linear module is connected to the mounting cover. A control unit is located inside the protective cover. A vision detection device electrically connected to the control unit is mounted on the top side of the mounting cover, and a sensing unit is located inside the mounting cover. This automatic charging robot, through the coordinated operation of the vision detection device, linear module, posture and position adjustment components, and sensing unit by the control unit, completes the entire automated operation from vehicle positioning, precise alignment, automatic charging gun insertion to removal, completely replacing the traditional method of manually inserting and removing charging guns. This effectively meets the application needs of intelligent scenarios such as smart parking lots and unattended charging stations, significantly improving the convenience and efficiency of charging services.

The invention discloses a line-shaped shaft multi-procedure combined machining device, and relates to the technical field of machine tool parts, the line-shaped shaft multi-procedure combined machining device comprises a positioning block, a pressing mechanism, a positioning plate and a cutter, the positioning block is provided with a positioning tool, and the positioning block is operably installed on a chuck; the hold-down mechanism and the positioning block are oppositely arranged, the hold-down mechanism and the positioning block operably clamp the linear shaft in the radial direction, and the hold-down mechanism and the chuck rotate synchronously; the positioning plates are symmetrically and fixedly arranged on the side face of the positioning block and operably clamp the linear shaft in the axial direction. The positioning plates are symmetrically fixed to the side faces of the positioning blocks, axial movement is effectively limited, and the clamping stability is improved; by rotating the positioning block by a certain angle, only a cutter needs to be replaced in the middle, the linear shaft does not need to be repositioned, different positions on the linear shaft can be machined, repeated positioning errors caused by multiple times of clamping in traditional machining are avoided, and machining precision and efficiency are remarkably improved.

This utility model discloses a fabric colorimetric testing device for textile fabric production, relating to the field of fabric colorimetric testing technology. It includes a water tank body with an installation mechanism for fabric colorimetric testing in textile fabric production. The installation mechanism includes an adjustment component and a first support frame connected to the side wall of the water tank body via an opening and closing component. A first electric push rod is fixedly fixed through the upper end of the first support frame, and a mounting bracket is fixed to the telescopic end of the first electric push rod. This utility model uses a motor to drive a rotating disk to rotate, and a connecting shaft pushes a slider to slide on a sliding rod. The linear motion of the slider is converted into the reciprocating oscillation of a swing rod through the connecting rod and the mounting shaft. The swing bracket beats the fabric, mechanically accelerating dye separation on the fabric surface, shortening the testing time, and simultaneously agitating the water during the beating process, promoting uniform dye diffusion and improving testing accuracy.

The utility model discloses a power handle which comprises an installation assembly and a driving mechanism, and an installation cavity is formed in the installation assembly. The driving mechanism comprises a driving assembly and a clamping assembly, the clamping assembly comprises a clamping body, a sleeve, a first elastic piece and an abutting piece, and the sleeve is arranged on the clamping body in a sleeving mode and can move relative to the clamping body in the axial direction of the sleeve; wherein the first elastic piece comprises a plurality of disc springs, the disc springs are stacked in the axial direction of the sleeve and arranged on the clamping body in a sleeving mode, the disc springs have a compression state generating elastic deformation and abut against the position between the sleeve and the driving assembly, and the abutting piece is arranged on the clamping body and located on the side, away from the first elastic piece, of the sleeve. The first elastic piece can push the sleeve to move to make contact with the abutting piece so that the abutting piece can move towards the interior of the clamping body in the radial direction of the sleeve. The clamping assembly solves the problems that the clamping stability of the clamping assembly is poor, and clamping failure is prone to occurring.

The utility model provides a kind of human resource management archives auxiliary threading device, it is related to the technical field of archives management, including base, left stand plate, first sliding slot, first bearing, first lifting plate, screw rod, hand wheel, upper antiskid block, lower antiskid block, arc hole and punch assembly etc.;Traditional manual binding needs page by page alignment, manual punching, for the archives of greater thickness, it is cumbersome and time-consuming to operate.And the device realizes automatic punching through punch assembly, multiple drill bits can work simultaneously, and punching operation of multiple hole positions is completed at one time, which greatly reduces the punching time and significantly improves the overall efficiency of archives binding.Operators do not need to repeat punching, threading and other mechanical actions, effectively reducing hand fatigue caused by long-term operation, reducing the work failure rate and reducing labor intensity.

The utility model relates to the technical field of medical instruments, in particular to a special clamping and connecting mechanism for a dental handpiece diagnosis and treatment in-vitro simulation platform. According to the technical scheme, the dental handpiece comprises a platform body, a shaft fixing base and a dental handpiece body, a sliding base is arranged on the platform body in a front-back sliding mode, the shaft fixing base is arranged on the sliding base in a left-right sliding mode, and the dental handpiece body is arranged on the shaft fixing base through a positioning assembly. The positioning assembly adopts an upper and lower double-clamping fixing design, so that the clamping coaxiality of a machine needle of the dental handpiece body can be ensured, and the positioning assembly consists of a handpiece left fixing clamp, a special connector, a handpiece right fixing clamp, a shaft fixing top seat and a positioning shaft. According to the utility model, an upper and lower double-clamping structure is adopted, so that the stability of the dental handpiece body during high-speed operation is enhanced, and looseness is prevented; the positioning assembly is precise, the clamping coaxiality of the machine needle is ensured, and the experimental error is reduced; the specially-made connector is provided with a customizable arc surface and a customizable round concave part, so that the connector is adaptive to various mobile phone models.

The application provides a telescopic supporting clamp for milling off to 90-degree machining and a profile machining device, which is applied to the technical field of profile machining and is arranged in a sawing area of the profile machining device. The profile machining device further comprises at least a feeding area and a discharging area. After being machined in the sawing area, the profile workpiece is sent to the discharging area for discharging. The supporting clamp comprises a Z-axis clamping module arranged on the side of a 90-degree saw blade and used for clamping the profile workpiece when the 90-degree saw blade mills off; and a Y-axis driving module connected with the Z-axis clamping module and used for driving the Z-axis clamping module to telescopically extend in the Y-axis direction. By additionally arranging a clamp capable of telescopically extending in the Z-axis direction on the side of the 90-degree saw blade, the clamp extends out to clamp the profile when the 90-degree saw blade cuts off, thereby playing an auxiliary supporting and fixing role, reducing the deformation of the workpiece during machining and improving machining precision.

The utility model discloses a kind of hydraulic oil cylinder processing is with convenient clamping device, belong to hydraulic oil cylinder clamping technical field, and it include: base rod, base rod is equipped with empty slot, and the slot mouth of empty slot is located on the end surface of base rod;Telescopic rod, telescopic rod is slidably installed in the inside of empty slot;Multiple inner support components, multiple inner support components are installed between base rod and telescopic rod, and it is arranged in circle array around base rod;Wherein, when telescopic rod slides to the inside of empty slot, inner support component moves to the direction of far from telescopic rod, and is tightly pressed to the inner wall of hydraulic oil cylinder.Inner support component includes: upper rod, the upper end of upper rod is hinged with the end of base rod close to empty slot opening;Lower rod, the lower end of lower rod is hinged with telescopic rod;The utility model is set by multiple inner support components, realizes from inside multiple point tightly pressed hydraulic oil cylinder inner wall clamping and fixing hydraulic oil cylinder, can increase friction force, can also guarantee that the gravity of oil cylinder will not be deviated, to guarantee the stability of clamping.

The utility model discloses a ground rail type conveying belt, which relates to the technical field of conveyors and comprises a ground rail trolley, two sliding rails are connected to the top of the ground rail trolley, supports are connected to two sides of the top of the ground rail trolley, servo electric cylinders are mounted above one sides of the two supports, and the output ends of the servo electric cylinders are connected with clamping plates. One side of the clamping plate is connected with a clamping pad, and the other side is connected with a roller. Through the arrangement of the support, the servo electric cylinder, the clamping plates and the sliding rails, after feeding, the output end of the servo electric cylinder drives the clamping plates to move, the clamping plates abut against goods, the phenomenon that the goods are collided or fall off due to displacement is avoided, the stability in the transferring process is improved, the clamping plates are n-shaped, collision between the clamping plates and a conveying belt is avoided, and the working efficiency is improved. The slide rails are arranged to assist in supporting the clamping plates; and the phenomena of collision and falling of the goods are effectively avoided.

The utility model belongs to the field of plunger machining, and particularly relates to a positioning and pushing device for plunger machining, which comprises a support, a mounting port is arranged at the top end of the support, a driving motor is sleeved in the mounting port, the output end of the driving motor is fixedly connected with a pneumatic push rod, and one end of the pneumatic push rod is fixedly connected with a mounting ring. A penetrating moving opening is formed in the inner bottom wall of the mounting ring, a positioning assembly is arranged on the surface of the moving opening, the positioning assembly comprises track plates fixedly connected to the side face of the mounting ring in an axial symmetry mode, extrusion blocks are slidably connected to the surfaces of the track plates in an axial symmetry mode, and rubber sheets are fixedly connected to the top ends of the extrusion blocks. By arranging the track plate, the extrusion blocks, the rubber sheets and the forward and reverse screw rods of the positioning assembly, the forward and reverse screw rods are manually screwed to drive the extrusion blocks on the two sides to synchronously approach and move along the track plate, the plunger is mechanically clamped and positioned through the rubber sheets, the clamping failure problem caused by electrical structure faults is avoided, and the clamping stability and reliability are improved.

This invention belongs to the technical field of extensometers for material testing, and provides a fixing and clamping device for an extensometer, including two sets of fixing components. Each fixing component is fixedly connected to one end of one of the two extension arms of the extensometer near the blade edge. Sliding rods are slidably connected within each fixing component, and the two sliding rods are arranged parallel to each other. A clamping block is detachably connected to the end of each sliding rod away from the extensometer. A spring-loaded component is provided between the sliding rod and the fixing component to move the clamping block towards the extension arm of the extensometer, thereby clamping the specimen between the clamping block and the extension arm. A limiting component is provided between the two sliding rods to limit the relative distance between them. A gripping component for separating the clamping block and the extension arm is provided between the limiting component and the fixing components. This invention ensures that the extensometer blade edge always maintains effective contact with the specimen and automatically follows the specimen's deformation, improving accuracy and clamping stability. Furthermore, the specimen can be inserted or removed with one hand, making it more convenient to use.

The utility model relates to the technical field of clamps, in particular to a windproof clamp for awning cloth. The awning cloth windproof clamp comprises a concave frame, a clamping plate is placed on the top of the inner side wall of the concave frame, fixing columns are evenly arranged at the bottom of the clamping plate, second fixing teeth are evenly arranged on the left side of the bottom of the clamping plate, and fourth fixing teeth are evenly arranged on the right side of the bottom of the clamping plate. Fixing holes are uniformly formed in the bottom of the inner side wall of the concave frame in a penetrating manner; according to the utility model, through the fixing teeth and the fixing columns which are uniformly distributed in the concave frame, the contact area between the tarpaulin and the clamp can be greatly increased, and meanwhile, the hand-screwing bolts which are uniformly distributed on the clamping plates are matched, so that stable downward pressure can be provided for the clamping plates, and the clamping force of the clamp on the tarpaulin is further increased; and then the hand-screwing bolt is fixed through the anti-loosening assembly, so that the clamping stability of the clamp on the awning cloth is improved, and the windproof performance of the awning cloth fixed by the clamp is improved.

This utility model relates to the field of plastic product processing technology and discloses a flipping mechanism for processing plastic products. It includes a flipping frame, with second hydraulic rods installed on both sides of the inner wall of the flipping frame. The second hydraulic rods are fixedly connected to a movable plate. The mechanism also includes a first clamping plate and a second clamping plate. Mounting seats are installed at both ends of the first clamping plate, and a rotating shaft is rotatably mounted on the mounting seats, with the rotating shaft fixedly connected to the second clamping plate. This utility model places a plastic sheet inside the flipping frame and drives the movable plate to move via the second hydraulic rods. This causes the first clamping plate to abut against both sides of the plastic sheet. As the movable plate continues to move, the elastic mechanism undergoes elastic deformation, and under the action of the support rod, the second clamping plate rotates around the rotating shaft, causing it to abut against both sides of the plastic sheet. The cooperation of the first and second clamping plates clamps and fixes the plastic sheet, preventing it from falling off during the flipping process due to insufficient clamping force.

The utility model discloses a high accuracy welding positioning fixture of charging pile main control board belongs to charging pile main control board welding technical field, including the substrate, still includes the flexible centering clamping mechanism, the upper end rear side of substrate is installed with the flexible centering clamping mechanism, the flexible centering clamping mechanism includes drive assembly, fixed clamping assembly, movable clamping assembly, horizontal transverse movement subassembly, horizontal vertical movement subassembly and tension spring, and tension spring is connected with fixed clamping assembly and movable clamping assembly. Through above -mentioned mode, make the device can be to charging pile main control board and carry out more quick and accurate positioning clamping, has reduced operator additional welding piece positioning workload, and guarantees that welding piece can be at the set welding point position, and the operation is simple, and the practicality of device has been further improved.

This invention discloses a multi-dimensional clamping mechanism, system, and method for machining, including a reference plate with an electromagnetic chuck on it. The electromagnetic chuck contacts the outer wall of a workpiece and magnetically attracts the workpiece. The clamping mechanism includes a working shaft, a sliding sleeve, and a cooperating plate. The centerline of the reference plate overlaps with the centerline of the working shaft. A guide rail is provided on the working shaft, and the sliding sleeve is disposed on the guide rail, moving along the guide rail to approach or move away from the reference plate. The cooperating plate is sleeved on the sliding sleeve and has a functional block corresponding to the electromagnetic chuck. A clamping assembly is formed by one functional block and the corresponding electromagnetic chuck. A contact sensor is provided on the functional block. When the functional block contacts the workpiece, the contact sensor sends a signal to the corresponding electromagnetic chuck control unit to control the magnetic attraction timing of the electromagnetic chuck. This invention aims to improve the problem that the clamping point of the clamping surface is difficult to adjust, and that there are significant limitations when temporarily clamping non-coplanar areas of irregular workpieces.

This utility model discloses a multi-station synchronous clamping device for CNC machining, including a base. A pusher roller is fixedly connected to the top of the base. A drive motor is installed inside the base. The output shaft of the drive motor is fixedly connected to a threaded rod via a coupling. A limit rail is threadedly connected to the outer wall of the threaded rod. A base is slidably mounted on the top of the limit rail. A clamping assembly is mounted on the top of the base. An angle adjustment assembly is mounted on the top of the clamping assembly. This utility model provides a multi-station synchronous clamping device for CNC machining. By adjusting the steering shaft in conjunction with the pointer on the bushing and the angle scale line on the steering shaft, the rotation angle of the steering clamping block can be precisely controlled to meet the machining requirements of different workpiece angles. It eliminates the need for re-disassembly and clamping, making operation convenient. After adjustment, the adjusting steering shaft can be fixed by locking bolts to ensure the stability of the angle during machining.

The utility model provides a strength detection device for plastic production, which relates to the technical field of plastic production and comprises a base, four vertical sliding rods are symmetrically and fixedly connected to the top of the base, and the top ends of the four vertical sliding rods are jointly and fixedly connected with a top plate; a first electric cylinder is fixedly connected to the top plate in a penetrating mode, an upper clamping component is installed at the telescopic end of the first electric cylinder, and a lower clamping component is installed at the top of the base. Under the mutual cooperation of the movable clamping assembly and the fixed clamping assembly, a mounting frame in the movable clamping assembly can slide along a transverse sliding rod through stretching and retracting of a third electric cylinder, the distance between the movable clamping assembly and the fixed clamping assembly can be adjusted, plastic plates with different widths can be adapted, a second electric cylinder drives a driving frame to move, and the plastic plates with different widths can be clamped. The clamping blocks transversely slide along the transverse moving rods and clamp the plastic plates through the cooperation of the guide chutes and the guide columns, so that the clamping requirements of the plastic plates with different widths can be met, and the tensile strength of the plastic plates with different widths can be tested.

This utility model discloses a limiting and positioning device for energy-concentrating pipe fittings, relating to the field of energy-concentrating pipe fitting installation technology. It includes a mounting base, on which a mounting mechanism for limiting and positioning the energy-concentrating pipe fitting is provided. The mounting mechanism includes a clamping assembly, including a mounting bracket on the upper surface of the mounting base. The upper end of the mounting bracket has a V-shaped groove, and a top plate is fixed to the top of the mounting bracket. This utility model's clamping assembly, through the coordinated work of multiple structures such as the V-shaped groove, pressing ring, and lower pressure plate, achieves multi-directional clamping of the energy-concentrating pipe fitting. The automatic centering of the V-shaped groove and the initial stabilization of the pipe fitting by the anti-slip rubber pad; the pressing ring, in conjunction with a screw and guide rod, achieves stable downward clamping; rubber bolts protect the surface of the pipe fitting; and the lower pressure plate provides auxiliary positioning from both sides, improving the clamping stability and positioning accuracy of the pipe fitting. It is suitable for energy-concentrating pipe fittings of different specifications and has good versatility and reliability.