Special tool for machining automobile metal parts

Abstract

The utility model discloses a special tool for machining automobile metal parts, which belongs to the technical field of mechanical manufacturing, and is characterized in that the special tool comprises a workbench, the top of the workbench is provided with a limiting groove, the top of the limiting groove is fixedly connected with a fixing plate, the top of the workbench is fixedly connected with a stretching mechanism, and the stretching mechanism is fixedly connected with a clamping mechanism. The surface of each stretching mechanism is in threaded connection with a clamping mechanism, the stretching mechanisms can apply uniform and stable stretching force to the connecting rod according to a preset mode and speed, the stretching mechanisms on the two sides can work cooperatively, and it is guaranteed that the stretching force evenly acts on a clamped part; the clamping mechanism can be used for clamping the front side and the rear side of the pull rod and transmitting the drawing force of the drawing mechanism to the front side and the rear side of the pull rod, so that the phenomena of looseness, displacement and the like of the pull rod in the drawing process are prevented, and the accuracy of the test result is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to mechanical manufacturing technical field especially relates to a special tool for automobile metal parts machining. BACKGROUND

[0002] The special tool for automobile metal parts machining is a kind of process equipment specially designed and used to ensure machining accuracy, improve production efficiency and facilitate operation during automobile metal parts manufacturing process.

[0003] The existing automobile parts need to be punched during production and machining, and the size of punching needs to be checked to ensure the quality of automobile parts, but the size checking method of automobile parts is usually manual, which is not only time-consuming and laborious, but also can only detect one part at a time, so the checking efficiency is low, therefore, a checking device for automobile parts is proposed.

[0004] The existing patent (announcement number: CN217818447U) is a checking device for automobile parts, which includes a workbench, support legs are fixedly connected to the bottom corners of the workbench, a shell is fixedly connected to the top of the workbench, a placing plate is slidably connected inside the shell, and detection holes are uniformly formed in the top of the placing plate; a lifting detection assembly is arranged on the top of the workbench, which includes a connecting rod, a part calibration plate, a lifting plate and a lifting mechanism; the lifting mechanism includes a bracket, a threaded rod, a first gear and a second gear; the lifting plate and the part calibration plate are moved by the lifting mechanism, then the parts in the placing plate are detected, the overall structure is simple and convenient to use, manual checking of automobile parts is not needed, time and labor are saved, and the device can check multiple parts at the same time, thereby improving the part checking efficiency.

[0005] To solve the above problems, the existing patent provides a solution, but it lacks a structure for clamping and stretching test of connecting rod, which makes it difficult to accurately fix the connecting rod for effective stretching test, so it is difficult to obtain accurate and reliable connecting rod stretching performance data.

[0006] Therefore, a special tool for automobile metal parts machining is proposed. UTILITY MODEL CONTENTS

[0007] The utility model aims to provide a special tool for automobile metal parts machining, which can solve the problem that the existing mechanical manufacturing lacks a structure for clamping and stretching test of connecting rod, which makes it difficult to accurately fix the connecting rod for effective stretching test, so it is difficult to obtain accurate and reliable connecting rod stretching performance data.

[0008] To achieve the above object, the utility model provides the following technical scheme: A special tool for automobile metal part machining, including the work table, the top of work table is equipped with the limiting groove, the top of limiting groove is fixedly connected with the fixed plate, the top of work table is fixedly connected with the stretching mechanism, the surface of stretching mechanism is connected with the clamping mechanism,

[0009] The stretching mechanism includes a support plate, a moving slot, a threaded rod, a limiting block, a limiting shell, a speed reducer, a servo motor, a chain wheel, a chain and a fixed slot, the support plate is fixedly connected to the top of the work table, the moving slot is opened on the front side of the inner top of the support plate, the threaded rod is rotatably connected to the inner side of the moving slot and the fixed slot respectively, the limiting block is fixedly connected to the inner side of the moving slot and the fixed slot respectively, the limiting shell is fixedly connected to the left side of the top of the work table and the right side of the top of the work table respectively, the speed reducer is fixedly connected to the inner side of the limiting shell, the servo motor is fixedly connected to the inner wall of the limiting shell, the chain wheel is fixedly connected to the left side of the surface of the threaded rod and the right side of the surface of the threaded rod respectively, the chain is movably connected to the surface of the chain wheel, and the fixed slot is opened on the back side of the top of the support plate.

[0010] Preferably, the clamping mechanism includes a sliding block, a connecting rod, a spring telescopic rod, a fixed rod and a clamping block, and the sliding block is threadedly connected to the surface of the threaded rod.

[0011] Preferably, the connecting rod is fixedly connected to the top of the sliding block, and the spring telescopic rod is fixedly connected to the top of the connecting rod.

[0012] Preferably, the top of the fixed rod is fixedly connected to the side, away from the connecting rod, of the spring telescopic rod, and the clamping block is fixedly connected to the bottom of the fixed rod.

[0013] Preferably, the output end of the servo motor is fixedly connected to the receiving end of the speed reducer, and the output end of the speed reducer is fixedly connected to the side, away from the limiting block, of the threaded rod, penetrating through the limiting shell and the support plate.

[0014] Preferably, a left threaded rod is rotatably connected to the left side of the inner side of the moving slot and the fixed slot, and a right threaded rod is rotatably connected to the right side of the inner side of the moving slot and the fixed slot, the left threaded rod is threadedly formed in an anticlockwise shape, the right threaded rod is threadedly formed in a clockwise shape, the left chain wheel is fixedly connected to the left side of the left threaded rod, the left chain is movably connected to the surface of the two left chain wheels, the right chain wheel is fixedly connected to the right side of the right threaded rod, and the right chain is movably connected to the surface of the two right chain wheels.

[0015] Preferably, a rubber pad is fixedly connected to the surface of the clamping block, and the surface of the rubber pad is engraved with anti-skid lines.

[0016] Preferably, the left side and the right side of the limiting block are fixedly connected with rotating shafts, and the inner sides of the rotating shafts are coated with lubricant.

[0017] Compared with the prior art, the utility model has the beneficial effects that:

[0018] 1、The stretching mechanism can exert uniform and stable stretching force on the connecting rod according to a predetermined mode and speed, and the stretching mechanisms on both sides can work cooperatively to ensure that the stretching force is uniformly applied to the clamped parts, thereby avoiding test result deviation or part damage caused by uneven force;

[0019] 2、The clamping mechanism can clamp the front side and the rear side of the pull rod and transmit the stretching force of the stretching mechanism to the front side and the rear side of the pull rod, preventing the pull rod from loosening, displacement and other phenomena during the stretching process, thereby ensuring the accuracy of the test results. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a whole structure diagram of the special tool for automobile metal part machining;

[0021] Figure 2 It is a whole structure diagram of the stretching mechanism;

[0022] Figure 3 It is a whole structure diagram of the stretching mechanism; Figure 2 It is an enlarged schematic view of A in the utility model;

[0023] Figure 4 It is a whole structure diagram of the clamping mechanism;

[0024] Figure 5 It is a structure schematic view of the rotating shaft.

[0025] In the figure, 1, workbench; 2, limiting groove; 3, fixed plate; 4, stretching mechanism; 401, support plate; 402, moving groove; 403, threaded rod; 404, limiting block; 405, limiting shell; 406, speed reducer motor; 407, servo motor; 408, chain wheel; 409, chain; 410, fixed groove; 5, clamping mechanism; 501, sliding block; 502, connecting rod; 503, spring telescopic rod; 504, fixed rod; 505, clamping block; 6, rubber pad; 7, rotating shaft. DETAILED DESCRIPTION

[0026] Clearly, the described embodiments are merely a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all the other embodiments obtained by the ordinary skilled in the art without making creative labor are within the scope of protection of the present utility model.

[0027] Please refer to Figures 1-5 The present utility model provides technical scheme:

[0028] A special tool for automobile metal part machining, including workbench 1, the top of workbench 1 is equipped with limiting groove 2, the top of limiting groove 2 is fixedly connected with fixed plate 3, the top of workbench 1 is fixedly connected with stretching mechanism 4, the surface of stretching mechanism 4 is screw-connected with clamping mechanism 5;

[0029] Stretching mechanism 4 includes support plate 401, moving groove 402, threaded rod 403, limiting block 404, limiting shell 405, speed reducer 406, servo motor 407, chain wheel 408, chain 409 and fixed slot 410, support plate 401 is fixedly connected at the top of workbench 1, moving groove 402 is equipped at the front side of the top of support plate 401, threaded rod 403 is rotatably connected at the inner side of moving groove 402 and fixed slot 410 respectively, limiting block 404 is fixedly connected at the inner side of moving groove 402 and fixed slot 410 respectively, limiting shell 405 is fixedly connected at the left side of the top of workbench 1 and the right side of the top of workbench 1 respectively, speed reducer 406 is fixedly connected at the inner side of limiting shell 405, servo motor 407 is fixedly connected at the inner wall of limiting shell 405, chain wheel 408 is fixedly connected at the left side of the surface of threaded rod 403 and the right side of the surface of threaded rod 403 respectively, chain 409 is movably connected at the surface of chain wheel 408, fixed slot 410 is equipped at the back side of the top of support plate 401.

[0030] In the embodiment: by setting the workbench 1 can withstand in the process of automobile metal parts processing, such as tensile test and other operations generated by various forces, and for other various structure components provides a stable installation and operation platform, limiting groove 2 can be fixed plate 3 for limiting and support, fixed plate 3 can be connected rod for support and limit, can be convenient for users to put the connecting rod for clamping, support plate 401 can be moving groove 402 and fixed groove 410 for support and limit, moving groove 402 for threaded rod 403 and limiting block 404 for support and limit, threaded rod 403 will rotate into linear motion, under the drive of speed reducer 406 and servo motor 407, threaded rod 403 through its rotation drives the clamping mechanism 5 which is threadedly connected with axial movement, exerting tensile force on the automobile metal parts, its left and right sides different screw thread left threaded rod 403 counterclockwise thread, right threaded rod 403 clockwise thread design, combined with the synchronous rotation mechanism of sprocket 408 and chain 409, to ensure that the tensile force can be evenly applied on the parts, limiting block 404 can be left threaded rod 403 and right threaded rod 403 for limiting, prevent threaded rod 403 excessive rotation, limiting shell 405 can be servo motor 407 and speed reducer 406 for support and limit, speed reducer 406 can convert the input electrical energy into mechanical energy, and through the cooperation with servo motor 407 and its own speed reduction function, provides the appropriate speed and torque for the rotation of threaded rod 403, servo motor 407 can adjust the speed and torque of its output, and then affect the working state of speed reducer 406, sprocket 408 through the chain 409 realizes the synchronous rotation of the left and right threaded rod 403, to ensure that in the process of stretching, the tensile force exerted by the two sides of the threaded rod 403 on the automobile metal parts is uniform, chain 409 through the rotating hole of the front side and the rear side of the support plate 401, movably connected on the surface of sprocket 408, can effectively transmit power, so that the left and right sprocket 408 can rotate synchronously, thereby driving the left and right threaded rod 403 to rotate synchronously, fixed groove 410 and moving groove 402 together provide a rotating space for threaded rod 403, through the cooperation with moving groove 402, so that the threaded rod 403 can work in a stable space environment.

[0031] Specifically, as shown in Figure 4 The clamping mechanism 5 includes a sliding block 501, a connecting rod 502, a spring telescopic rod 503, a fixed rod 504 and a clamping block 505.

[0032] Specifically, as shown in Figure 4 The connecting rod 502 is fixedly connected to the top of the sliding block 501, and the spring telescopic rod 503 is fixedly connected to the top of the connecting rod 502.

[0033] Specifically, asFigure 4 As shown in the figure, the top of the fixed rod 504 is fixedly connected to the side of the spring telescopic rod 503 away from the connecting rod 502, and the clamping block 505 is fixedly connected to the bottom of the fixed rod 504.

[0034] In this embodiment: by setting the sliding block 501, when the threaded rod 403 rotates, the sliding block 501 can move axially along the threaded rod 403 according to the rotation direction of the thread, thereby driving the entire clamping mechanism 5 to move accordingly, realizing the stretching action of the automobile metal parts, the connecting rod 502 transmits the movement of the sliding block 501 to the spring telescopic rod 503, so that the spring telescopic rod 503 can move synchronously with the sliding block 501, thereby realizing the coordinated movement of the entire clamping mechanism 5, the spring telescopic rod 503 can be moved to the side of the connecting rod 502 by the user when the user clamps the connecting rod, the fixed rod 504 will be extruded by the spring telescopic rod 503, after the user aligns the clamping block 505 with the large head hole and the small head hole of the connecting rod, the user releases the fixed rod 504, the spring telescopic rod 503 will drive the fixed rod 504 and the clamping block 505 to reset, so that the clamping block 505 clamps the connecting rod, the fixed rod 504 serves as a connection between the spring telescopic rod 503 and the clamping block 505, and the extension and contraction of the spring telescopic rod 503 can be accurately applied to the clamping block 505 through the transmission of the fixed rod 504. The clamping block 505 is directly in contact with and clamps the connecting rod.

[0035] Specifically, as shown in the figure, Figure 3 As shown in the figure, the output end of the servo motor 407 is fixedly connected to the receiving end of the speed reducer 406, and the output end of the speed reducer 406 is fixedly connected to the side of the threaded rod 403 away from the limiting block 404 through the limiting shell 405 and the support plate 401.

[0036] Specifically, as shown in the figure, Figure 2 As shown in the figure, the left side of the inner side of the moving groove 402 and the fixed groove 410 is rotatably connected with the left threaded rod 403, and the right side of the inner side of the moving groove 402 and the fixed groove 410 is rotatably connected with the right threaded rod 403. The left threaded rod 403 is threaded in counterclockwise, and the right threaded rod 403 is threaded in clockwise. The left sprocket 408 is fixedly connected to the left side of the left threaded rod 403, and the left chain 409 is movably connected to the surface of the two left sprockets 408. The right sprocket 408 is fixedly connected to the right side of the right threaded rod 403, and the right chain 409 is movably connected to the surface of the two right sprockets 408.

[0037] In the embodiment, the output end of the servo motor 407 is fixedly connected to the receiving end of the speed reducer 406, which ensures stable and efficient transmission of power from the servo motor 407 to the speed reducer 406, reduces power loss or transmission delay, and the output end of the speed reducer 406 is fixedly connected to the side of the threaded rod 403 away from the limiting block 404 through the limiting shell 405 and the support plate 401, so that the speed reducer 406 can accurately transmit the power adjusted by itself to the threaded rod 403, the left threaded rod 403 is rotatably connected to the inner left side of the moving groove 402 and the fixed groove 410, and the right threaded rod 403 is rotatably connected to the inner right side of the moving groove 402 and the fixed groove 410, and the left threaded rod 403 is threaded counterclockwise and the right threaded rod 403 is threaded clockwise, the left sprocket 408 is fixedly connected to the left side of the left threaded rod 403, and the right sprocket 408 is fixedly connected to the right side of the right threaded rod 403, the left chain 409 is movably connected between the two left sprockets 408, and the right chain 409 is movably connected between the two right sprockets 408, the design of the bilateral symmetrical and oppositely threaded threaded rods 403, combined with the sprocket 408 and chain 409 transmission system, ensures that the left and right threaded rods 403 rotate synchronously and reversely when the threaded rods 403 are driven to rotate by the speed reducer 406 and the servo motor 407, and ensures that the stretching forces on both sides of the connecting rod clamped by the clamping mechanism 5 are uniform during stretching.

[0038] Specifically, as shown in Figure 4 The surface of the clamping block 505 is fixedly connected with a rubber pad 6, and the surface of the rubber pad 6 is engraved with anti-skid lines.

[0039] Specifically, as shown in Figure 5 The left and right sides of the limiting block 404 are fixedly connected with rotating shafts 7, and the inner sides of the rotating shafts 7 are coated with lubricant.

[0040] In the embodiment, the rubber pad 6 has good elasticity and friction characteristics, and can closely fit the surface of the parts during clamping operation, and can better adapt to the shape and small irregularities of the surface of the parts, thereby increasing the contact area between the rubber pad 6 and the parts, the anti-skid lines further increase the roughness of the surface, so that the friction between the rubber pad 6 and the parts is improved, the rotating shaft 7 can rotate more smoothly with the threaded rod 403 during rotation, reducing energy loss and part wear caused by friction, and the lubricant reduces the friction coefficient between the rotating shaft 7 and the threaded rod 403.

[0041] Working principle: first, the user will workbench 1 is placed in the appropriate work site, then, the user will need to be placed in the fixed plate 3 on the top of the connecting rod stretching test, after placing the connecting rod, the user will move the slider 501, slider 501 in the movement will drive the clamping mechanism 5 as a whole to move, in the left clamping block 505 moves to near the connecting rod left side of the small head hole, the user pulls the fixed rod 504 to the side of the connecting rod 502 moves, fixed rod 504 in the movement, will be extruded spring telescopic rod 503, the user will clamping block 505 aligns the small head hole, in the alignment, the user releases the fixed rod 504, spring telescopic rod 503 loses extrusion force, drive fixed rod 504 and clamping block 505 reset, in the clamping block 505 reset, will be the small head hole of the connecting rod clamping and clamping, right clamping block 505 also the same operation to the large head hole of the connecting rod clamping and clamping, after clamping and clamping is completed, the user power on and start servo motor 407 and speed reducer motor 406, servo motor 407 starts to drive speed reducer motor 406 to work, under the drive of speed reducer motor 406 and servo motor 407, threaded rod 403 through its rotation drive clamping mechanism 5 connected with it is screwed to move, through the left chain 409 activity connects two left sprocket 408, right chain 409 activity connects two right sprocket 408, when the threaded rod 403 is driven by speed reducer motor 406 and servo motor 407 rotation, this bilateral symmetry and opposite screw direction screw rod 403, so that the left and right threaded rod 403 can be synchronized and reverse rotation, ensure that the connecting rod clamped by clamping mechanism 5 when stretching, the stretching force received by both sides is uniform, avoid uneven deformation of parts due to uneven force, inaccurate test results and other problems, finally, after the connecting rod stretching test is completed, the user will servo motor 407 and speed reducer motor 406 is closed, the user again pushes the fixed rod 504, the clamping block 505 is taken out from the inside of the small head hole and the large head hole of the connecting rod, the connecting rod can be taken out.

[0042] The above is only the preferred embodiment of the present application, and does not limit the present application, any modification, equivalent replacement and improvement within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. A special tool for processing automobile metal parts, comprising a workbench (1), characterized in that: The top of the workbench (1) is provided with a limiting groove (2), the top of the limiting groove (2) is fixedly connected with a fixed plate (3), the top of the workbench (1) is fixedly connected with a stretching mechanism (4), the surface of the stretching mechanism (4) is threadedly connected with a clamping mechanism (5). The stretching mechanism (4) comprises a supporting plate (401), a moving groove (402), a threaded rod (403), a limiting block (404), a limiting shell (405), a speed reducer (406), a servo motor (407), a chain wheel (408), a chain (409) and a fixed groove (410), the supporting plate (401) is fixedly connected to the top of the workbench (1), the moving groove (402) is formed in the front side of the top of the supporting plate (401), the threaded rod (403) is rotatably connected to the inner side of the moving groove (402) and the fixed groove (410) respectively, the limiting block (404) is fixedly connected to the inner side of the moving groove (402) and the fixed groove (410) respectively, the limiting shell (405) is fixedly connected to the left side of the top of the workbench (1) and the right side of the top of the workbench (1) respectively, the speed reducer (406) is fixedly connected to the inner side of the limiting shell (405), the servo motor (407) is fixedly connected to the inner wall of the limiting shell (405), the chain wheel (408) is fixedly connected to the left side of the surface of the threaded rod (403) and the right side of the surface of the threaded rod (403) respectively, the chain (409) is movably connected to the surface of the chain wheel (408), and the fixed groove (410) is formed in the rear side of the top of the supporting plate (401).

2. A special tool for processing automobile metal parts according to claim 1, characterized in that: The clamping mechanism (5) comprises a sliding block (501), a connecting rod (502), a spring telescopic rod (503), a fixed rod (504) and a clamping block (505), and the sliding block (501) is threadedly connected to the surface of the threaded rod (403).

3. A special tool for processing automobile metal parts according to claim 2, characterized in that: The connecting rod (502) is fixedly connected to the top of the sliding block (501), and the spring telescopic rod (503) is fixedly connected to the top of the connecting rod (502).

4. A special tool for processing automobile metal parts according to claim 2, characterized in that: The top of the fixed rod (504) is fixedly connected to the side, away from the connecting rod (502), of the spring telescopic rod (503), and the clamping block (505) is fixedly connected to the bottom of the fixed rod (504).

5. The special tool for processing the metal parts of an automobile as claimed in claim 1, wherein: The output end of the servo motor (407) is fixedly connected to the receiving end of the speed reducer (406), and the output end of the speed reducer (406) penetrates through the limiting shell (405) and the supporting plate (401) and is fixedly connected to the side, away from the limiting block (404), of the threaded rod (403).

6. A special tool for processing automobile metal parts according to claim 1, characterized in that: Both left sides of the inside of the mobile groove (402) and the fixed groove (410) are rotatably connected with left threaded rods (403), both right sides of the inside of the mobile groove (402) and the fixed groove (410) are rotatably connected with right threaded rods (403), the left threaded rods (403) are threaded in counterclockwise, the right threaded rods (403) are threaded in clockwise, the left sprockets (408) are respectively fixedly connected on the left sides of the left threaded rods (403), the left chains (409) are movably connected on the surfaces of the two left sprockets (408), the right sprockets (408) are respectively fixedly connected on the right sides of the right threaded rods (43), and the right chains (409) are movably connected on the surfaces of the two right sprockets (408).

7. A special tool for processing automobile metal parts according to claim 2, characterized in that: The surface of the clamping block (505) is fixedly connected with a rubber pad (6), and the surface of the rubber pad (6) is engraved with anti-skid lines.

8. A special tool for processing automobile metal parts according to claim 1, characterized in that: Both the left side and the right side of the limiting block (404) are fixedly connected with rotating shafts (7), and the inside of the rotating shafts (7) is coated with lubricant.

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