Multifunctional clamping device for chain welding

Abstract

The utility model discloses a multifunctional clamping device for chain welding, which comprises a working table, two groups of clamping plates are arranged at the top of one side of the working table, and a moving part for simultaneously moving the two groups of clamping plates inwards to clamp a chain is arranged on the table top of the working table. The top of the other side of the workbench is connected with a mounting plate through a fixing piece, a square hole is formed in the surface of the mounting plate, a pulling assembly for pulling a chain outwards is arranged in an inner cavity of the square hole, and a control assembly for controlling the pulling assembly is arranged on the front side face of the workbench. The roller is driven by the servo motor to rotate by a certain number of turns, so that the roller pulls the welded chain to move towards the outer side by a distance by means of meshing and friction force between the arc-shaped groove and the chain roller, workers do not need to move the chain, convenience and rapidness are achieved, and the welding efficiency of the workers can be improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to chain welding with multifunctional clamping device technical field, concretely is chain welding with multifunctional clamping device. BACKGROUND

[0002] Chain is generally metal chain ring or ring, is used for mechanical transmission, traction, chain includes four series: transmission chain; conveying chain; pull chain; special professional chain, chain can be divided into short pitch precision roller chain, short pitch precision roller chain, heavy load transmission bending plate roller chain, cement machinery chain, plate chain, high strength chain etc.

[0003] At present, the Chinese patent with the announcement number CN217776930U discloses a positioning device with self-adaptive clamping function for chain production, which comprises a processing table, a supporting frame and a clamping device, the clamping device is symmetrically slid on the upper surfaces of both ends of the processing table, the supporting frame is symmetrically slid on the upper surfaces of both ends of the processing table, the upper surface of the processing table is overlapped with a chain, the upper surfaces of the processing table and the supporting frame are both provided with an arc-shaped groove at the center, the upper surface of the processing table is symmetrically provided with a limiting slide at both ends, the side surface of the processing table is symmetrically provided with a tooth-shaped clamping groove at both ends, and the inside of the clamping device is fixedly provided with a supporting base. The utility model can adjust the positions of the supporting frame and the clamping device on the upper surface of the processing table, can conveniently adaptively adjust according to the size of the chain parts, can clamp and position the chain parts, can expand the application range of the positioning device, and can improve the applicability of the positioning device.

[0004] The positioning device with self-adaptive clamping function for chain production has some problems in use, although it can conveniently adaptively adjust according to the size of the chain parts, can clamp and position the chain parts, but the worker needs to manually remove the welded chain every time after welding one end of the chain, which is troublesome. TECHNICAL FIELD

[0005] The utility model aims at providing a multifunctional clamping device for chain welding to solve the problem that the worker needs to manually remove the welded chain every time after welding one end of the chain.

[0006] To achieve the above object, the utility model provides the following technical scheme:

[0007] The utility model provides a multifunctional clamping device for chain welding, including the workbench, the top of one side of workbench is provided with two groups of clamping plates, the table top of workbench is provided with the moving piece that moves two groups of clamping plates to the inside simultaneously and clamps chain, the top of the other side of workbench is connected with the mounting plate through the fixed part, the surface of mounting plate is opened the square hole, the inner chamber of square hole is provided with the pull assembly that pulls chain outward, the front side of workbench is provided with the control assembly for controlling pull assembly,

[0008] The pull assembly includes an installation block that is slidably connected to the inner cavity of the square hole, a roller is arranged on the side of the installation block close to the chain, a plurality of arc-shaped grooves corresponding to the chain rollers are arranged on the outer cylindrical surface of the roller, a servo motor is fixedly installed on the other side of the installation block, the output shaft of the servo motor penetrates the installation block and is key-connected to the inner ring of the roller, and a moving assembly for moving the installation block up and down is arranged on the top of the mounting plate.

[0009] As a preferred technical solution, the moving piece includes a strip-shaped slot opened in the top of the workbench and corresponding to the clamping plates, a bidirectional screw rod is rotatably connected to the inner cavity of the strip-shaped slot, two nuts are threadedly connected to the two ends of the bidirectional screw rod, respectively, the top of each of the two nuts is fixedly connected to a connecting strip, one end of each of the two connecting strips extends to the opposite side and is fixedly connected to the surface of the corresponding side clamping plate, a rubber pad is bonded to the opposite side surface of each of the two clamping plates, and one end of the bidirectional screw rod penetrates the workbench and is fixedly connected to a hand wheel.

[0010] As a preferred technical solution, the fixed part includes a plurality of linear and equidistantly arranged threaded holes opened in the top of the workbench and located on one side of the mounting plate, a connecting plate is fixedly connected to one side of the mounting plate, a fixing bolt is inserted into the top of the connecting plate, and the fixing bolt penetrates the connecting plate downward and is threadedly connected to the inner cavity of one of the threaded holes.

[0011] As a preferred technical solution, the moving assembly includes a lead screw threadedly connected to the top of the mounting plate, one end of the lead screw threadedly penetrates the mounting plate downward and is rotatably connected to the top surface of the installation block, and the inner cavity of the square hole is provided with a guide for guiding the movement trajectory of the installation block.

[0012] As a preferred technical solution, the control assembly includes a single-chip microcomputer installed on the front side of the workbench, a laser distance sensor is fixedly inserted into the middle of the opposite side of each of the two clamping plates, the detection end of each of the two laser distance sensors faces the chain, the signal output end of each of the two laser distance sensors is electrically connected to the signal input end of the single-chip microcomputer through a wire, and the servo motor is controlled by the single-chip microcomputer.

[0013] As a preferred technical scheme, the guide piece comprises guide grooves formed in inner wall surfaces on two sides of the square hole, and the inner cavities of the two groups of guide grooves are slidably connected with guide blocks, and the two groups of guide blocks are fixedly connected to the corresponding side surfaces of the mounting block respectively.

[0014] Compared with the prior art, the utility model has the advantages that:

[0015] 1、The utility model discloses a setting of pulling assembly is driven the gyro wheel through servo motor, rotates certain number of turns, and the gyro wheel is moved to the outside with the distance through the meshing and friction force between arc -shaped groove and chain roller, and then pulls the chain welded to move, need not staff to move, it is very convenient and fast, is favorable to improving the welding efficiency of staff.

[0016] 2、The utility model discloses the setting of control assembly, and the laser distance sensor on the clamping plate can monitor the distance between chain and clamping plate in real time, and signal transmission is given to singlechip, and singlechip can intelligently control the start of servo motor piece, stop, realizes the automation and intelligent control of chain operation.

[0017] 3、The utility model discloses the setting of screw rod, and the up and down position of mounting block in square hole can be accurately adjusted through rotating screw rod, and then realizes the accurate control of gyro wheel and chain relative position, for different thickness or specification chain, can ensure that gyro wheel always keeps good meshing state with chain roller, improves the efficiency and stability of pulling chain. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the structural diagram of chain welding multifunctional clamping device of the utility model;

[0019] Figure 2 It is another view structural diagram of chain welding multifunctional clamping device of the utility model;

[0020] Figure 3 It is the sectional structure schematic diagram of workbench of the utility model;

[0021] Figure 4 It is the structural diagram of mounting plate of the utility model.

[0022] In the drawing:

[0023] 100, workbench;101, strip -shaped groove;

[0024] 200, gyro wheel;201, arc -shaped groove;202, mounting plate;203, servo motor;204, square hole;205, screw rod;206, guide block;207, guide groove;208, mounting block;

[0025] 300, threaded hole; 301, connecting plate; 302, fixing bolt;

[0026] 400, clamping plate; 401, connecting strip; 402, nut seat; 403, bidirectional screw; 404, hand wheel; 405, rubber pad;

[0027] 500, single-chip microcomputer; 501, laser distance sensor. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0029] Please refer to Figures 1-4 The embodiment provides a multifunctional clamping device for chain welding, which comprises a workbench 100, two groups of clamping plates 400 are arranged on the top of one side of the workbench 100, the tabletop of the workbench 100 is provided with a moving piece for moving the two groups of clamping plates 400 inward to clamp the chain, a mounting plate 202 is connected to the other top side of the workbench 100 through a fixing piece, a square hole 204 is formed in the surface of the mounting plate 202, a pulling assembly for pulling the chain outward is arranged in the inner cavity of the square hole 204, and a control assembly for controlling the pulling assembly is arranged on the front side of the workbench 100.

[0030] The pulling assembly comprises a mounting block 208 which is slidably connected to the inner cavity of the square hole 204, a plurality of rollers 200 are arranged on the side of the mounting block 208 close to the chain, a plurality of arc-shaped grooves 201 corresponding to the chain rollers are formed in the outer circumferential surface of the rollers 200, a servo motor 203 is fixedly installed on the other side of the mounting block 208, the output shaft of the servo motor 203 penetrates through the mounting block 208 and is connected to the inner ring of the roller 200 through a key, and a moving assembly for moving the mounting block 208 upward and downward is arranged on the top of the mounting plate 202. Through the arrangement of the pulling assembly, the roller 200 is driven by the servo motor 203 to rotate a certain number of turns, so that the roller 200 is moved outward by a certain distance by the meshing and friction between the arc-shaped grooves 201 and the chain rollers, and the welded chain is moved outward without the need for the staff to move it, which is very convenient and fast and is beneficial to improving the welding efficiency of the staff.

[0031] The moving part comprises a strip-shaped slot 101 formed in the top of the workbench 100 and corresponding to the position of the clamping plate 400, the inner cavity of the strip-shaped slot 101 is rotationally connected with a bidirectional lead screw 403, the two ends of the bidirectional lead screw 403 are respectively threadedly connected with a nut seat 402, the top of the two groups of nut seats 402 is respectively fixedly connected with a connecting strip 401, one end of the two groups of connecting strips 401 respectively extends to the opposite side and is fixedly connected to the surface of the corresponding side clamping plate 400, the opposite side surfaces of the two groups of clamping plates 400 are respectively bonded with a rubber pad 405, one end of the bidirectional lead screw 403 penetrates through the workbench 100 and is fixedly connected with a hand wheel 404, through the setting of the moving part, the hand wheel 404 is rotated to drive the bidirectional lead screw 403 to rotate, so that the nut seat 402 moves and drives the clamping plate 400 to clamp the chain, which is simple and convenient to operate, and meanwhile, the cooperation of the bidirectional lead screw 403 and the nut seat 402 can realize accurate adjustment of the distance between the clamping plates 400, so as to adapt to the chain clamping requirements of different specifications and sizes.

[0032] The fixing part comprises a plurality of groups of linear and equidistantly arranged threaded holes 300 formed in the top of the workbench 100 and located on one side of the mounting plate 202, one side of the mounting plate 202 is fixedly connected with a connecting plate 301, the top of the connecting plate 301 is inserted with a fixing bolt 302, the fixing bolt 302 penetrates downward through the connecting plate 301 and is threadedly connected in the inner cavity of one of the groups of threaded holes 300, through the setting of the fixing part, the plurality of groups of threaded holes 300 arranged on the top of the workbench 100 cooperates with the fixing bolt 302 on the connecting plate 301 of the mounting plate 202, so that the mounting plate 202 can be flexibly adjusted in position according to actual work requirements.

[0033] The moving assembly comprises a lead screw 205 threadedly connected to the top of the mounting plate 202, one end of the lead screw 205 threadedly penetrates downward through the mounting plate 202 and is rotationally connected to the top surface of the mounting block 208, the inner cavity of the square hole 204 is provided with a guide part for guiding the movement track of the mounting block 208, through the setting of the lead screw 205, the rotation of the lead screw 205 can accurately adjust the up-down position of the mounting block 208 in the square hole 204, thereby realizing accurate control of the relative position of the roller 200 and the chain, for chains of different thicknesses or specifications, the roller 200 can always be kept in good meshing state with the chain roller, and the efficiency and stability of pulling the chain are improved.

[0034] The control assembly comprises a single-chip microcomputer 500 installed on the front side of the workbench 100, laser distance sensors 501 fixedly inserted into the middle of the opposite sides of the two sets of clamping plates 400, the detection ends of the two sets of laser distance sensors 501 facing the chain, the signal output ends of the two sets of laser distance sensors 501 electrically connected to the signal input ends of the single-chip microcomputer 500 through wires, and the servo motor 203 controlled by the single-chip microcomputer 500.

[0035] The model of the single-chip microcomputer 500 is STC89C51, and the model of the laser distance sensor 501 is Insight-60.

[0036] The guiding part comprises guiding grooves 207 formed in the inner wall surfaces of the two sides of the square hole 204, the inner cavities of the two sets of guiding grooves 207 are slidably connected with guiding blocks 206, and the two sets of guiding blocks 206 are fixedly connected to the corresponding side surfaces of the mounting block 208, respectively. Through the arrangement of the guiding part, the cooperation of the guiding groove 207 and the guiding block 206 provides an accurate guiding path for the movement of the mounting block 208, so that the mounting block 208 can only move up and down along the predetermined straight line direction under the driving of the lead screw 205.

[0037] Working principle;

[0038] Firstly, the chain is placed on the surface of the workbench 100, one end of the chain is placed on the lower part of the roller 200, then the lead screw 205 is rotated to move the mounting block 208 downward along the guiding groove 207, so that the arc-shaped groove 201 at the bottom of the roller 200 is clamped on the surface of the roller on the chain.

[0039] Then, the hand wheel 404 is rotated to drive the bidirectional lead screw 403 to rotate, thereby driving the two sets of nut seats 402 to move inward at the same time. When the nut seats 402 move towards each other, the clamping plates 400 will move inward along the workbench 100 table surface under the driving of the connecting rods 401, thereby clamping the chain. The rubber pads 405 bonded to the opposite side surfaces of the clamping plates 400 can increase the friction between the chain and the clamping plates 400, thereby ensuring the stable clamping of the chain. At this time, the position of the chain to be welded is welded.

[0040] When the welding is completed, the hand wheel 404 is reversely rotated, the two groups of clamping plates 400 are moved to two sides respectively through the nut seat 402 and the connecting strip 401, and the laser distance sensor 501 fixedly inserted in the middle of the clamping plate 400 continuously works, continuously emits a laser beam to the chain and receives reflected light, so as to monitor the distance between the sensor and the chain in real time, and transmit the distance signal to the single-chip microcomputer 500 through a wire, when the two groups of clamping plates 400 are away from the chain to a certain distance, the single-chip microcomputer 500 controls the servo motor 203 to rotate a certain number of turns, the roller 200 is driven by the servo motor 203, and a certain number of turns are rotated, so that the roller 200 is moved to the outside by the meshing and friction force between the arc-shaped groove 201 and the chain roller, and then the welded chain is moved to the outside by a distance.

[0041] Subsequently, the staff rotates the hand wheel 404, moves the two groups of clamping plates 400 to the inside at the same time, clamps the chain, and then welds the chain.

[0042] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A multifunctional clamping device for chain welding, characterized in that, The system includes a workbench (100), on one side of which two sets of clamping plates (400) are provided on the top. The workbench (100) is provided with a moving component that moves the two sets of clamping plates (400) inward to clamp the chain. The other side of the workbench (100) is connected to a mounting plate (202) by a fixing component. The surface of the mounting plate (202) is provided with a square hole (204). The inner cavity of the square hole (204) is provided with a pulling component that pulls the chain outward. The front side of the workbench (100) is provided with a control component for controlling the pulling component. The pulling assembly includes a mounting block (208) that is slidably connected to the inner cavity of a square hole (204). A roller (200) is provided on the side of the mounting block (208) near the chain. The outer circular surface of the roller (200) is provided with a number of arc-shaped grooves (201) corresponding to the chain rollers. A servo motor (203) is fixedly mounted on the other side of the mounting block (208). The output shaft of the servo motor (203) passes through the mounting block (208) and is keyed to the inner ring of the roller (200). A moving assembly for moving the mounting block (208) up and down is provided on the top of the mounting plate (202). The movable component includes a strip groove (101) opened on the top of the workbench (100) and corresponding to the clamping plate (400). The inner cavity of the strip groove (101) is rotatably connected to a double-acting screw (403). Both ends of the double-acting screw (403) are threadedly connected to nut seats (402). The tops of the two sets of nut seats (402) are respectively fixedly connected to connecting strips (401). One end of the two sets of connecting strips (401) extends to the opposite side and is fixedly connected to the surface of the corresponding side clamping plate (400). Rubber pads (405) are glued to the opposite side surfaces of the two sets of clamping plates (400). One end of the double-acting screw (403) passes through the workbench (100) and is fixedly connected to a handwheel (404).

2. The multifunctional clamping device for chain welding according to claim 1, characterized in that: The fastener includes a number of linearly and equidistantly arranged threaded holes (300) on the top of the workbench (100) and on one side of the mounting plate (202). A connecting plate (301) is fixedly connected to one side of the mounting plate (202). A fixing bolt (302) is inserted into the top of the connecting plate (301). The fixing bolt (302) passes through the connecting plate (301) downward and is threaded into the inner cavity of one of the threaded holes (300).

3. The multifunctional clamping device for chain welding according to claim 1, characterized in that: The moving component includes a lead screw (205) threaded to the top of the mounting plate (202), one end of which is threaded downward through the mounting plate (202) and rotatably connected to the top surface of the mounting block (208). The inner cavity of the square hole (204) is provided with a guide for guiding the movement trajectory of the mounting block (208).

4. The multifunctional clamping device for chain welding according to claim 1, characterized in that: The control component includes a microcontroller (500) installed on the front side of the workbench (100). Laser distance sensors (501) are fixedly inserted into the middle of the opposite side of the two sets of clamps (400). The detection ends of the two sets of laser distance sensors (501) face the chain. The signal output ends of the two sets of laser distance sensors (501) are electrically connected to the signal input end of the microcontroller (500) through wires. The servo motor (203) is controlled by the microcontroller (500).

5. A multi-functional clamping device for chain welding according to claim 3, characterized in that: The guide includes guide grooves (207) formed on the inner wall surfaces of both sides of the square hole (204). Guide blocks (206) are slidably connected to the inner cavities of both sets of guide grooves (207). The two sets of guide blocks (206) are respectively fixedly connected to the corresponding side surfaces of the mounting block (208).

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