Rapid positioning clamp for electric appliance shell

Abstract

The utility model relates to the technical field of electric appliance shell positioning clamps, in particular to an electric appliance shell rapid positioning clamp which comprises a workbench, a plurality of through grooves are formed in the top face of the workbench, sliding blocks are arranged in the through grooves, lifting blocks are connected to the sliding blocks in a sliding mode, and clamping assemblies are arranged at the upper ends of the lifting blocks. A plurality of first air cylinders are installed on the side wall of the workbench through an installation base, a C-shaped frame is fixedly arranged on the side wall of the sliding block, piston rods of the first air cylinders are fixedly connected with the C-shaped frame, the clamping assembly comprises an annular block, the peripheral wall of the annular block is rotationally connected with the upper end of the lifting block, and an installation box is fixedly connected into the annular block through a connecting rod. According to the clamping assembly, the applicability of the clamping assembly to electric appliance shells with different specifications, shapes and positioning requirements is improved, the positioning and clamping precision is improved, the clamping piece can be better attached to the surfaces of the electric appliance shells through multi-angle adjustment and rotation of the clamping assembly, therefore, clamping with uniform stress is achieved, and the production efficiency and quality of the electric appliance shells are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to electric appliance shell positioning fixture technical field, especially a kind of electric appliance shell quick positioning fixture. BACKGROUND

[0002] In the field of electric appliance manufacturing, the processing, assembly and other links of electric appliance shell often need to use fixture to position and fix it, to ensure the machining precision and assembly quality;

[0003] Through the setting of electric telescopic rod, push rod motor, electric cylinder and roller, the staff can adjust the fixture according to the specifications of the automobile, improving the applicability of the fixture;

[0004] In the use process, it is found that the direction adjustment of clamping is relatively single in the use process of the device, and the position adjustment in linear direction is emphasized. When facing irregular electric appliance shells, it is difficult to achieve uniform force clamping, especially when the rotation angle adjustment is required, it is difficult to meet the use scene of multi-angle positioning and clamping of electric appliance shells, which may lead to insufficient clamping precision and low production efficiency, and reduces the production efficiency and quality of electric appliance shells. UTILITY MODEL CONTENTS

[0005] In view of the deficiencies of the prior art, the utility model provides a kind of electric appliance shell quick positioning fixture, improve the applicability of clamping assembly to different specifications, shape and positioning requirement electric appliance shell, improve the positioning clamping precision, through the multi-angle adjustment and rotation of clamping assembly, clamping piece better fits the surface of electric appliance shell, to realize the clamping of uniform force, improve the production efficiency and quality of electric appliance shell.

[0006] To solve the above technical problems, the utility model provides the following technical scheme: a kind of electric appliance shell quick positioning fixture, including workbench, the workbench top is provided with multiple through slots, the through slot is equipped with sliding block inside, the sliding block is slidably connected with lifting block, the lifting block upper end is equipped with clamping assembly, the workbench side wall is equipped with multiple first air cylinders by mounting seat, the sliding block side wall is fixed with C-shaped frame, the piston rod of first air cylinder is fixedly connected with C-shaped frame;

[0007] The clamping assembly includes a circular ring block, the circular ring block is rotatably connected to the upper end of the lifting block, the circular ring block is fixedly connected to the mounting box through a connecting rod inside, two positioning blocks are respectively fixed on the both sides of the outer wall of the mounting box, two triangular blocks are rotatably connected to the two positioning blocks on one side through a support shaft, two pin shafts are fixed between the two triangular blocks, a clamping block is rotatably connected to one of the pin shafts, and a clamping piece is mounted on one end of the clamping block.

[0008] Preferably, a second cylinder is mounted on the sliding block through a mounting seat, a push block is fixedly arranged on the top surface of the piston rod of the second cylinder, the side wall of the push block is fixedly connected with the outer wall of the upper end of the lifting block, and the sliding block is slidably connected with the workbench through a through groove.

[0009] Through the above technical scheme, the piston rod of the second cylinder drives the push block to move, the push block is fixedly connected with the outer wall of the upper end of the lifting block, so that the lifting block is driven to move vertically on the sliding block.

[0010] Preferably, a first support and a second support are fixedly arranged on the upper end of the side wall of the lifting block, a gear is arranged between the first support and the second support, and the outer peripheral walls at both ends of the central shaft of the gear are rotatably connected with the first support and the second support, respectively.

[0011] Preferably, a gear groove ring is arranged on the outer peripheral wall of the circular block, the gear is meshingly connected with the gear groove ring, a servo motor is mounted on the first support through a mounting seat, and the output shaft of the servo motor is coaxially connected with the central shaft of the gear.

[0012] Through the above technical scheme, the output shaft of the servo motor drives the gear to rotate, the gear is meshingly connected with the gear groove ring on the outer peripheral wall of the circular block, the rotating power of the gear is transmitted to the circular block, the circular block rotates around the upper end of the lifting block, and the whole clamping assembly is driven to rotate.

[0013] Preferably, a third cylinder is mounted in the mounting box through a front mounting seat, and a connecting block is fixedly arranged on the piston rod of the third cylinder.

[0014] Preferably, two push rods are rotatably connected to the connecting block, and the other ends of the push rods are rotatably connected with one of the pin shafts.

[0015] Through the above technical scheme, the connecting block is driven to move by the piston rod of the third cylinder, the connecting block drives the two push rods on the two sides to move synchronously, and the push rod drives one of the pin shafts to rotate.

[0016] Preferably, a rotating block is rotatably connected to the other end of the clamping block, and the other end of the rotating block is rotatably connected with the other support shaft.

[0017] Through the above technical scheme, the moving clamping block rotates with the rotating block, the rotating block rotates along the other support shaft, and the two clamping blocks drive the two clamping pieces to move close to each other.

[0018] Preferably, the clamping piece is in an arc shape, and rubber pads are arranged on the inner side walls at both ends of the clamping piece.

[0019] Preferably, the clamping piece is in a horizontal shape, and the inner wall of the clamping piece is fixedly connected with the rubber pad.

[0020] According to the technical scheme, suitable clamping pieces are selected for positioning and clamping according to the different shapes and materials of the electric appliance shells, the rubber gasket is in contact with the outer wall of the electric appliance shell, damage of the clamping to the electric appliance shell is reduced, the stability of the clamping is improved, and the anti-skid effect is improved.

[0021] The electric appliance shell positioning and clamping assembly has the advantages that:

[0022] When the clamping angle needs to be adjusted, the circular ring block moves in a circular motion around the connecting point of the lifting block, and further drives the mounting box connected through the connecting rod and other components mounted on the mounting box to rotate together, realizing multi-angle positioning of the electric appliance shell, and the multi-dimensional adjustment mode improves the applicability of the clamping assembly to electric appliance shells of different specifications, shapes and positioning requirements, improves the positioning and clamping precision, and when facing irregular electric appliance shells, the clamping piece better fits the surface of the electric appliance shell through multi-angle adjustment and rotation of the clamping assembly, thereby realizing uniform force clamping and improving the production efficiency and quality of the electric appliance shell.

[0023] The two positioning blocks on one side of the outer wall of the mounting box are rotatably connected to the two triangular blocks through support shafts, the pin shaft between the triangular blocks is rotatably connected to the clamping block, and the clamping piece at one end of the clamping block is used for clamping the electric appliance shell.

[0024] The piston rod of the second cylinder drives the push block to move, the push block is fixedly connected to the outer wall of the upper end of the lifting block, so as to drive the lifting block to move vertically on the sliding block, realize height adjustment of the clamping assembly, conveniently and quickly adapt to electric appliance shells of different heights, and improve clamping efficiency; the output shaft of the servo motor drives the gear to rotate, the gear is engaged with the toothed groove ring on the outer circumferential wall of the circular ring block, the rotating power of the gear is transmitted to the circular ring block, the circular ring block rotates around the upper end of the lifting block, and further drives the clamping assembly to rotate as a whole, the angle of rotation is adjusted, the positioning effect of irregularly-shaped electric appliance shells is improved, the precision of multi-angle positioning and clamping is ensured, the problem of uneven stress is solved, and the machining quality is improved.

[0025] The connecting block is moved by the third cylinder piston rod, and the connecting block drives the two push rods to move synchronously, the push rod drives one of the pin shafts to rotate, the two triangular blocks rotate along one of the support shafts, the clamping block is driven by the other pin shaft to move, the moving clamping block rotates with the rotating block, the rotating block rotates along the other support shaft, and the two clamping blocks drive the two clamping members to move close to each other, the clamping members are in contact with the outer wall of the electric appliance shell through the rubber gasket, damage to the electric appliance shell caused by clamping is reduced, the stability of clamping is improved, and the anti-skid effect is improved; the clamping members are arc-shaped and horizontal, and appropriate clamping members are selected for positioning and clamping according to electric appliance shells of different shapes and materials. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 It is a whole structure schematic view of the utility model;

[0027] Figure 2 It is a sliding block structure schematic view of the utility model;

[0028] Figure 3 It is a clamping assembly structure schematic view of the utility model;

[0029] Figure 4 It is a triangular block structure schematic view of the utility model;

[0030] Figure 5 It is a positioning block structure schematic view of the utility model;

[0031] Figure 6 It is a clamping block structure schematic view of the utility model.

[0032] In the drawing: 100, workbench; 102, through slot; 200, sliding block; 201, C-shaped frame; 202, second cylinder; 203, push block; 300, lifting block; 301, first support; 302, second support; 303, gear; 304, servo motor; 400, clamping assembly; 401, circular ring block; 402, connecting rod; 403, mounting box; 404, third cylinder; 405, positioning block; 406, triangular block; 407, pin shaft; 408, clamping block; 409, clamping member; 410, gear groove ring; 411, connecting block; 412, push rod; 413, support shaft; 414, rubber gasket; 415, rotating block; 500, first cylinder. DETAILED DESCRIPTION

[0033] In order to make the above-mentioned purposes, features and advantages of the utility model more obvious and easy to understand, the specific embodiments of the utility model are described in detail below with reference to the drawings.

[0034] Embodiment one: as Figure 1 , Figure 2 ,Figure 3 And Figure 4 As shown in the figure, the embodiment provides a quick positioning clamp for electrical appliance shell, which comprises a workbench 100, a plurality of through grooves 102 are formed on the top surface of the workbench 100, a sliding block 200 is arranged inside the through groove 102, a lifting block 300 is slidably connected to the sliding block 200, a clamping assembly 400 is arranged on the upper end of the lifting block 300, a plurality of first air cylinders 500 are arranged on the side wall of the workbench 100 through mounting seats, a C-shaped frame 201 is fixedly arranged on the side wall of the sliding block 200, and the piston rod of the first air cylinder 500 is fixedly connected with the C-shaped frame 201;

[0035] The clamping assembly 400 comprises a circular ring block 401, the outer peripheral wall of the circular ring block 401 is rotatably connected with the upper end of the lifting block 300, an installation box 403 is fixedly connected to the inside of the circular ring block 401 through a connecting rod 402, two positioning blocks 405 are fixedly arranged on the two sides of the outer wall of the installation box 403, two triangular blocks 406 are rotatably connected with the two positioning blocks 405 on one side through supporting shafts 413, two pin shafts 407 are fixedly arranged between the two triangular blocks 406, a clamping block 408 is rotatably connected with one of the pin shafts 407, and a clamping piece 409 is arranged on one end of the clamping block 408.

[0036] A second air cylinder 202 is arranged on the sliding block 200 through a mounting seat, a push block 203 is fixedly arranged on the top surface of the piston rod of the second air cylinder 202, the side wall of the push block 203 is fixedly connected with the outer wall of the upper end of the lifting block 300, and the sliding block 200 is slidably connected with the workbench 100 through the through groove 102; the push block 203 is driven to move by the extension and retraction of the piston rod of the second air cylinder 202, the push block 203 is fixedly connected with the outer wall of the upper end of the lifting block 300, so as to drive the lifting block 300 to move vertically on the sliding block 200.

[0037] A first support 301 and a second support 302 are fixedly arranged on the side wall of the upper end of the lifting block 300, a gear 303 is arranged between the first support 301 and the second support 302, the outer peripheral walls of the two ends of the central shaft of the gear 303 are rotatably connected with the first support 301 and the second support 302 respectively, a gear slot ring 410 is formed on the outer peripheral wall of the circular ring block 401, the gear 303 is meshingly connected with the gear slot ring 410, a servo motor 304 is arranged on the first support 301 through a mounting seat, and the output shaft of the servo motor 304 is coaxially connected with the central shaft of the gear 303; the gear 303 is driven to rotate by the output shaft of the servo motor 304, the gear 303 is meshingly connected with the gear slot ring 410 on the outer peripheral wall of the circular ring block 401, the rotating power of the gear 303 is transmitted to the circular ring block 401, the circular ring block 401 rotates around the upper end of the lifting block 300, and the clamping assembly 400 is driven to rotate as a whole.

[0038] Working principle: through the extension and retraction of the piston rod of the first cylinder 500, the C-shaped frame 201 fixedly connected therewith is moved, the sliding block 200 moves horizontally along the through slot 102 on the top surface of the workbench 100, the position of the clamping assembly 400 in the horizontal direction is adjusted, after the multiple clamping assemblies 400 are adjusted to the appropriate use positions, the clamping assembly 400 is lifted and lowered in the vertical direction through the sliding of the lifting block 300 on the sliding block 200, so as to adapt to the electric appliance shells of different heights;

[0039] When the clamping angle needs to be adjusted, the circular block 401 rotates around the connecting point of the lifting block 300, thereby driving the mounting box 403 connected through the connecting rod 402 and other components mounted on the mounting box 403 to rotate together, realizing multi-angle positioning of the electric appliance shell, and the multi-dimensional adjustment mode improves the applicability of the clamping assembly 400 to electric appliance shells of different specifications, shapes and positioning requirements, improves the positioning and clamping precision, and when facing irregular electric appliance shells, the multi-angle adjustment and rotation of the clamping assembly 400 enable the clamping piece 409 to better fit the surface of the electric appliance shell, thereby realizing uniform force clamping and improving the production efficiency and quality of the electric appliance shell.

[0040] The two positioning blocks 405 on one side of the outer wall of the mounting box 403 are rotatably connected to the two triangular blocks 406 through the support shaft 413, the pin shaft 407 between the triangular blocks 406 is rotatably connected to the clamping block 408, and the clamping piece 409 at one end of the clamping block 408 is used for clamping the electric appliance shell. When clamping is needed, the angle of the triangular block 406 is adjusted to make the clamping block 408 rotate around the pin shaft 407, thereby changing the position of the clamping piece 409, realizing clamping or loosening of the electric appliance shell, and making positioning and clamping of the electric appliance shell more flexible and fast, reducing the time spent on adjusting the clamp and the number of times of replacing the clamp, and further improving the production efficiency.

[0041] The piston rod of the second cylinder 202 is extended and retracted to drive the push block 203 to move, the push block 203 is fixedly connected to the outer wall of the upper end of the lifting block 300, thereby driving the lifting block 300 to move vertically on the sliding block 200, realizing height adjustment of the clamping assembly 400, facilitating quick adaptation to electric appliance shells of different heights, and improving clamping efficiency.

[0042] The output shaft of the servo motor 304 drives the gear 303 to rotate, the gear 303 is engaged with the toothed groove ring 410 on the outer circumferential wall of the circular block 401, the rotating power of the gear 303 is transmitted to the circular block 401, the circular block 401 rotates around the upper end of the lifting block 300, thereby driving the clamping assembly 400 to rotate as a whole, adjusting the angle of rotation, improving the positioning effect of irregularly shaped electric appliance shells, ensuring the positioning and clamping precision of multiple angles, solving the problem of uneven force, and improving the machining quality.

[0043] Embodiment two: Figure 1 , Figure 3 , Figure 4 , Figure 5 and Figure 6 As shown in the figure, on the basis of embodiment one, a third cylinder 404 is installed inside the installation box 403 through the front end mounting seat, a connecting block 411 is fixedly arranged on the piston rod of the third cylinder 404, two push rods 412 are rotatably connected to the connecting block 411, and the other end of the push rod 412 is rotatably connected with one of the pin shafts 407; the connecting block 411 is moved by the piston rod of the third cylinder 404, the two push rods 412 on the two sides are synchronously moved by the connecting block 411, and the push rod 412 pushes one of the pin shafts 407 to rotate.

[0044] The other end of the clamping block 408 is rotatably connected with a rotating block 415, and the other end of the rotating block 415 is rotatably connected with the other support shaft 413; the clamping block 408 is rotated at the same time with the rotating block 415, the rotating block 415 is rotated along the other support shaft 413, and the two clamping blocks 408 drive the two clamping pieces 409 to move close to each other.

[0045] The clamping piece 409 is arc-shaped, rubber pads 414 are arranged on the inner side walls of the two ends of the clamping piece 409, the clamping piece 409 is horizontally arranged, and the inner wall of the clamping piece 409 is fixedly connected with the rubber pad 414; according to different shapes and materials of the electric appliance shell, appropriate clamping pieces 409 are selected for positioning and clamping, the outer wall of the electric appliance shell is contacted with the rubber pad 414, the damage of the electric appliance shell caused by clamping is reduced, the stability of clamping is improved, and the anti-skid effect is improved.

[0046] In use, the connecting block 411 is moved by the piston rod of the third cylinder 404, the two push rods 412 on the two sides are synchronously moved by the connecting block 411, the push rod 412 pushes one of the pin shafts 407 to rotate, the two triangular blocks 406 are rotated along one of the support shafts 413, the clamping block 408 is moved by the other pin shaft 407, the clamping block 408 is rotated at the same time with the rotating block 415, the rotating block 415 is rotated along the other support shaft 413, the two clamping blocks 408 drive the two clamping pieces 409 to move close to each other, the electric appliance shell is clamped by the clamping piece 409, the outer wall of the electric appliance shell is contacted with the rubber pad 414, the damage of the electric appliance shell caused by clamping is reduced, the stability of clamping is improved, and the anti-skid effect is improved.

[0047] The clamping piece 409 is arc-shaped and horizontally arranged, and according to different shapes and materials of the electric appliance shell, appropriate clamping pieces 409 are selected for positioning and clamping.

[0048] The above merely describes a preferred embodiment of the present application, and the protection scope of the present application is not limited thereto, and any skilled person in the art, according to the technical scheme and the inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. An electrical appliance housing quick positioning fixture, characterized in that: The utility model provides a workbench, the workbench (100) top surface is equipped with a plurality of through slots (102), the through slot (102) inside is equipped with a sliding block (200), the sliding block (200) is slidably connected with the lifting block (300), the lifting block (300) upper end is equipped with clamping assembly (400), the workbench (100) side wall is installed through mounting seat a plurality of first air cylinder (500), the sliding block (200) side wall is fixed with C frame (201), the piston rod of first air cylinder (500) is fixedly connected with C frame (201), The clamping assembly (400) includes a circular ring block (401), the circular ring block (401) is rotatably connected to the upper end of the lifting block (300), the circular ring block (401) is fixedly connected with a mounting box (403) through a connecting rod (402) inside, two positioning blocks (405) are fixedly arranged on the both sides of the outer wall of the mounting box (403), two triangular blocks (406) are rotatably connected to the two positioning blocks (405) on one side through a support shaft (413), two pin shafts (407) are fixedly arranged between the two triangular blocks (406), a clamping block (408) is rotatably connected to one of the pin shafts (407), and a clamping piece (409) is mounted on one end of the clamping block (408).

2. The quick positioning fixture for electrical appliance shell as claimed in claim 1, characterized in that: The sliding block (200) is installed with a second air cylinder (202) through a mounting seat, the top surface of the piston rod of the second air cylinder (202) is fixedly provided with a push block (203), the side wall of the push block (203) is fixedly connected with the outer wall of the upper end of the lifting block (300), and the sliding block (200) is slidably connected with the workbench (100) through the through slot (102).

3. The quick positioning fixture for electrical appliance shell as claimed in claim 2, characterized in that: The side wall of the lifting block (300) is fixedly provided with a first support (301) and a second support (302) at the upper end, a gear (303) is arranged between the first support (301) and the second support (302), and the outer circumferential walls at both ends of the central shaft of the gear (303) are rotatably connected with the first support (301) and the second support (302).

4. The electrical appliance shell quick positioning fixture of claim 3, wherein: The outer circumferential wall of the circular ring block (401) is provided with a gear slot ring (410), the gear (303) is meshedly connected with the gear slot ring (410), a servo motor (304) is mounted on the first support (301) through a mounting seat, and the output shaft of the servo motor (304) is coaxially connected with the central shaft of the gear (303).

5. The quick positioning fixture for electrical appliance shell as claimed in claim 2, characterized in that: A third air cylinder (404) is mounted in the mounting box (403) through a front end mounting seat, and a connecting block (411) is fixedly arranged on the piston rod of the third air cylinder (404).

6. The electrical appliance shell quick positioning fixture of claim 5, wherein: Two push rods (412) are rotatably connected to the connecting block (411), and the other ends of the push rods (412) are rotatably connected with one of the pin shafts (407).

7. The electrical appliance shell quick positioning fixture of claim 6, wherein: The other end of the clamping block (408) is rotatably connected with a rotating block (415), and the other end of the rotating block (415) is rotatably connected with the other support shaft (413).

8. The electrical appliance shell quick positioning fixture of claim 7, wherein: The clamping piece (409) is arc-shaped, and rubber gaskets (414) are mounted on the inner side walls at both ends of the clamping piece (409).

9. The electrical appliance shell quick positioning fixture of claim 8, wherein: The clamping piece (409) is horizontal, and an inner wall of the clamping piece (409) is fixedly connected with the rubber gasket (414).

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