Multi-station clamp for precision welding

Abstract

The utility model discloses a multi-station clamp for precision welding, which relates to the field of clamps and comprises a base, a supporting column is arranged on the top wall of the base, a hollow rotating platform is arranged on the outer wall of the supporting column, supporting seats are uniformly arranged on the top wall of the hollow rotating platform, annular hollow grooves are formed in the side walls of the supporting seats, and the annular hollow grooves are communicated with the supporting columns. According to the scheme, the base, the supporting column, the supporting base and other devices are arranged to be matched, so that the device can conveniently conduct center positioning on a part, the clamping position is prevented from deviating, precise welding operation can be conducted easily, and the yield is increased; and through cooperation of devices such as a guide rail frame, an adjusting rod and a pushing pipe, the device can conveniently adjust the clamping position of the pushing frame, so that parts of different sizes can be clamped, and the practicability of the device is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of fixture, concretely is a kind of multi-station fixture for precision welding. BACKGROUND

[0002] Fixture refers to the device used in the process of mechanical manufacturing to fix the machining object, make it occupy correct position, to accept construction or detection device, also called fixture, fixture is one of the tools in mechanical production, and the quality of machining is directly affected by the quality of fixture, and the requirement for fixture is higher in the production and processing of mechanical parts, the existing machining fixture is not convenient for center positioning of part during clamping, and the position of part clamping is changed, which can affect the precision welding of subsequent automatic welding device, increase the residual rate of device production, therefore, we provide a kind of multi-station fixture for precision welding. UTILITY MODEL CONTENTS

[0003] In view of the above situation, to overcome the defects of prior art, the utility model provides a kind of multi-station fixture for precision welding, effectively solve the problem that the existing machining fixture is not convenient for center positioning of part during clamping, and the position of part clamping is changed, which can affect the precision welding of subsequent automatic welding device, increase the residual rate of device production.

[0004] To achieve the above object, the utility model provides the following technical scheme: a kind of multi-station fixture for precision welding, including base, the top wall of the base is provided with support column, the outer wall of the support column is provided with hollow rotating platform, the top wall of the hollow rotating platform is uniformly provided with support seat, the side wall of the support seat is provided with annular hollow slot, the upper and lower side walls of the inner cavity of the annular hollow slot are provided with adjusting ring, the inner wall of the adjusting ring is uniformly provided with adjusting inclined slot, the top wall of the support seat is uniformly provided with sliding slot, the inner wall of the sliding slot is uniformly provided with clamping block, the clamping block is located in the inner cavity of the adjusting ring, the outer wall of the adjusting ring is provided with gear ring, the inner wall of the annular hollow slot is provided with pusher, the inner wall of the pusher is provided with rack, the gear ring is engaged with the rack, the top wall of the support column is provided with push block, the push block is eccentric.

[0005] Preferably, the top wall of the hollow rotating platform is uniformly provided with guide rail frame, the inner wall of the guide rail frame is provided with push tube, the inner wall of the push tube is screwed with adjusting rod, the other end of the adjusting rod is connected with the pusher.

[0006] Preferably, the end of the push tube close to the axis is provided with a roller, and the roller is located on the outer wall of the push block.

[0007] Preferably, the support seat is uniformly provided with reset springs on the side wall close to the shaft center, and the other end of the reset spring is connected with the pusher frame.

[0008] Preferably, the inner wall of the sliding groove is uniformly provided with pusher springs, and the other end of the pusher spring is connected with the clamping block.

[0009] Compared with the prior art, the utility model has the beneficial effects that:

[0010] 1. The multi-station clamp for precision welding, through the cooperation of the base, the supporting column and the supporting seat and the like, can conveniently center the parts, avoids the shift of the clamping position, is favorable for precision welding operation and improves the yield;

[0011] 2. The multi-station clamp for precision welding, through the cooperation of the guide rail frame, the adjusting rod and the pusher tube and the like, can conveniently adjust the clamping position of the pusher frame, so that different sizes of parts can be clamped, which is favorable for improving the practicability of the device;

[0012] 3. The multi-station clamp for precision welding, through the cooperation of the roller, the pusher tube and the pusher block and the like, can conveniently move the pusher tube by the roller, avoids the damage caused by the friction between the pusher tube and the pusher block, and is favorable for improving the service life of the device. BRIEF DESCRIPTION OF DRAWINGS

[0013] The drawings are used to provide a further understanding of the utility model, and constitute a part of the specification, are used together with the embodiments of the utility model to explain the utility model, and do not constitute the limitation to the utility model.

[0014] In the drawings:

[0015] Figure 1 It is the multi-station clamp structure schematic view for precision welding of the utility model;

[0016] Figure 2 It is the sectional structure schematic view of the supporting seat of the utility model;

[0017] Figure 3 It is the A part enlarged view in the utility model Figure 2 ;

[0018] Figure 4 It is the B part enlarged view in the utility model Figure 2 ;

[0019] In the figure: 100, base; 101, support column; 102, hollow rotating platform; 103, support seat; 104, adjusting ring; 105, clamping block; 106, gear ring; 107, push frame; 108, rack; 109, push block; 110, guide rail frame; 111, push tube; 112, adjusting rod; 113, roller; 114, return spring; 115, push spring. DETAILED DESCRIPTION

[0020] 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.

[0021] By Figures 1-4 The utility model discloses a multi -position clamp for precision welding, the top wall fixedly connected with support column 101 of base 100, through support column 101, the hollow rotating platform 102 is supported conveniently, the outer wall of support column 101 is rotatably connected with hollow rotating platform 102, through hollow rotating platform 102, the support seat 103 is conveniently driven to rotate, the top wall of hollow rotating platform 102 is uniformly fixedly connected with support seat 103, through support seat 103, the push frame 107 is conveniently driven to rotate, the lateral wall of support seat 103 is provided with annular hollow groove, the upper and lower lateral walls of annular hollow groove inner cavity are rotatably connected with adjusting ring 104, through adjusting ring 104, clamping block 105 is conveniently moved to clamp, the inner wall of adjusting ring 104 is uniformly provided with adjusting inclined slot, through adjusting inclined slot, clamping block 105 is conveniently moved, the top wall of support seat 103 is uniformly provided with sliding slot, through sliding slot, the movement of clamping block 105 is conveniently limited and guided, the inner wall of sliding slot is slidably connected with clamping block 105, through multiple clamping blocks 105, the part is conveniently positioned and clamped, clamping block 105 is located in the inner chamber of adjusting ring 104, the outer wall of adjusting ring 104 is fixedly connected with gear ring 106, through gear ring 106, adjusting ring 104 is conveniently rotated, the inner wall of annular hollow groove is slidably connected with push frame 107, through push frame 107, the rack 108 is conveniently driven to move, the inner wall of push frame 107 is fixedly connected with rack 108, through rack 108, gear ring 106 is conveniently driven to rotate, gear ring 106 is engaged with rack 108, the top wall of support column 101 is fixedly connected with push block 109, through push block 109, push frame 107 is conveniently moved, push block 109 is eccentrically arranged.

[0022] It should be noted that the hollow rotating platform 102 has a rotation function, and the hollow rotating platform 102 is a brand new rotating load device, which has high transmission efficiency, high precision, high rigidity, high performance ratio and other characteristics, and combines the advantages of servo motor, cam divider and direct drive motor. This is the prior art, and will not be described in detail here. The lower side of the outer wall of the clamping block 105 is provided with a rotating wheel, which can avoid friction damage to the clamping block 105.

[0023] In this embodiment: the square part is placed on the top wall of the support seat 103, the support seat 103 is rotated by the hollow rotating platform 102, the pusher 107 is rotated by the support seat 103, the pusher 107 is pushed by the pushing block 109, the rack 108 is moved by the pusher 107, the gear ring 106 is rotated by the rack 108, the adjusting ring 104 is rotated by the gear ring 106, the clamping block 105 is moved by the adjusting ring 104, the parts are pushed by the movement of the clamping block 105, and the parts are moved to the center. The parts are clamped and fixed by the clamping block 105, and the parts are precisely welded by the automatic welding device. The device can be conveniently used for center positioning of the parts, the clamping position can be avoided from being deviated, the precise welding operation can be facilitated, and the yield can be improved.

[0024] The top wall of the hollow rotating platform 102 is uniformly and fixedly connected with the guide rail frame 110, the movement of the pushing pipe 111 is limited and guided by the guide rail frame 110, the inner wall of the guide rail frame 110 is slidably connected with the pushing pipe 111, the pushing pipe 111 is convenient for moving the adjusting rod 112, the inner wall of the pushing pipe 111 is screwed with the adjusting rod 112, the adjusting rod 112 is convenient for moving the pusher 107, and the other end of the adjusting rod 112 is connected with the pusher 107.

[0025] It should be noted that the outer wall of the pushing pipe 111 is square, the inner wall of the guide rail frame 110 matches the outer wall of the pushing pipe 111, and the pushing pipe 111 is prevented from being deviated.

[0026] In this embodiment: the hollow rotating platform 102 rotates to drive the guide rail frame 110 to rotate, the guide rail frame 110 drives the pushing pipe 111 to rotate, the pushing block 109 pushes the rotating pushing pipe 111, the pushing block 109 drives the adjusting rod 112 to move, the adjusting rod 112 drives the pusher 107 to move, the rotating adjusting rod 112 is convenient for moving on the pushing pipe 111, the adjusting rod 112 is convenient for driving the pusher 107 to move, the device can conveniently adjust the clamping position of the pusher 107, so that different sizes of parts can be clamped and operated, and the practicability of the device can be improved.

[0027] The end of the pushing pipe 111 close to the shaft is fixedly connected with a roller 113, which is convenient for moving on the outer wall of the pushing block 109. The roller 113 is located on the outer wall of the pushing block 109.

[0028] In this embodiment, the roller 113 is convenient for rolling on the outer wall of the pushing block 109, and the pushing pipe 111 is convenient for moving by the roller 113. The friction between the pushing pipe 111 and the pushing block 109 can be avoided, and the service life of the device is improved.

[0029] The side wall of the supporting seat 103 close to the shaft is uniformly fixedly connected with a reset spring 114, and the other end of the reset spring 114 is connected with the pushing frame 107.

[0030] In this embodiment, the reset spring 114 is convenient for moving and resetting the pushing frame 107, and is convenient for moving and resetting the rack 108. The rack 108 drives the gear ring 106 to rotate, and the gear ring 106 drives the adjusting ring 104 to move and reset. It is convenient to automatically release the clamping of the clamping block 105, and the welded parts are convenient to take down.

[0031] The inner wall of the sliding groove is uniformly fixedly connected with a pushing spring 115, and the other end of the pushing spring 115 is connected with the clamping block 105.

[0032] In this embodiment, the pushing spring 115 is convenient for moving the clamping block 105 after processing, so that the clamping block 105 releases the parts. The reset clamping block 105 can avoid hindering the placement of parts, and the processing rate is improved.

Claims

1. A multi-station fixture for precision welding, comprising a base (100), characterized in that: The top wall of the base (100) is provided with a support column (101), the outer wall of the support column (101) is provided with a hollow rotating platform (102), the top wall of the hollow rotating platform (102) is uniformly provided with a support seat (103), the side wall of the support seat (103) is provided with an annular hollow groove, the upper and lower side walls of the inner cavity of the annular hollow groove are provided with an adjusting ring (104), the inner wall of the adjusting ring (104) is uniformly provided with an adjusting inclined groove, the top wall of the support seat (103) is uniformly provided with a sliding groove, the inner wall of the sliding groove is provided with a clamping block (105), the clamping block (105) is located in the inner cavity of the adjusting ring (104), the outer wall of the adjusting ring (104) is provided with a tooth ring (106), the inner wall of the annular hollow groove is provided with a pusher frame (107), the inner wall of the pusher frame (107) is provided with a gear rack (108), the tooth ring (106) is engaged with the gear rack (108), the top wall of the support column (101) is provided with a pushing block (109), and the pushing block (109) is eccentrically arranged.

2. The multi-station fixture for precision welding of claim 1, wherein: The top wall of the hollow rotating platform (102) is uniformly provided with a guide rail frame (110), the inner wall of the guide rail frame (110) is provided with a pushing pipe (111), the inner wall of the pushing pipe (111) is screwed with an adjusting rod (112), and the other end of the adjusting rod (112) is connected with the pusher frame (107).

3. The multi-station fixture for precision welding of claim 2, wherein: The end of the pushing pipe (111) close to the shaft is provided with a roller (113), and the roller (113) is located on the outer wall of the pushing block (109).

4. The multi-station fixture for precision welding of claim 1, wherein: The side wall of the support seat (103) close to the shaft is uniformly provided with a reset spring (114), and the other end of the reset spring (114) is connected with the pusher frame (107).

5. The multi-station fixture for precision welding of claim 1, wherein: The inner wall of the sliding groove is uniformly provided with a push spring (115), and the other end of the push spring (115) is connected with the clamping block (105).

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