Quick positioning and clamping tool clamp for welding workpiece

Abstract

The utility model relates to the technical field of welding workpiece machining, and discloses a welding workpiece quick positioning and clamping tool clamp which comprises an operation table, the top of the operation table is connected with a first sliding plate in a sliding mode, the top of the first sliding plate is fixedly connected with a fixing mechanism, and the fixing mechanism comprises a supporting connecting column. A fixed supporting plate is fixedly connected to the top of the supporting connecting column, a braking assembly is fixedly connected to the top of the fixed supporting plate, a linkage plate is fixedly connected to the outer side of the braking assembly, a driving plate is fixedly connected to the outer side of the linkage plate, and first rotating connecting rods are rotationally connected to the two sides of the driving plate; the outer side of the first rotating connecting rod is rotationally connected with a second rotating connecting rod. According to the clamping device, the second sliding plate is pushed through the air cylinder, the rotating rod and the flexible plate are driven to move through a series of connecting rod mechanisms, a workpiece can be rapidly positioned and clamped, the preparation time is shortened, the production efficiency is improved, and the overall production takt is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to welding workpiece processing technical field, concretely relates to welding workpiece quick positioning and clamping tool fixture. BACKGROUND

[0002] Under the current global manufacturing industry high -speed development big tide, the production scale of each industry is expanding unceasingly, product iteration speed is increasing day by day, from the pursuit of efficient precision body welding process of automobile manufacturing, to the key component assembly of aerospace strict super -high quality standard, again to the strict requirement of precision micro -element welding in electronic equipment field, as a kind of key connection process, the positioning and clamping of workpiece, speed is directly related to the final quality and production efficiency of product.

[0003] Welding workpiece quick positioning and clamping tool fixture are mostly based on simple mechanical structure, such as screw clamping, eccentric clamping, etc., rely on manual adjustment when operating, not only time -consuming, but also difficult to accurately control the size of clamping force and workpiece position.

[0004] In the prior art, the traditional fixture is difficult to stably fix the welding workpiece, and the workpiece is prone to displacement and shaking during the welding process, which not only leads to a significant reduction in welding quality, frequent occurrence of uneven welds, virtual welding and other defects, but also increases the scrap rate and production cost. Therefore, a welding workpiece quick positioning and clamping tool fixture is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at the deficiency of prior art, proposes a kind of welding workpiece quick positioning and clamping tool fixture, to solve the stability problem of part fixture mentioned in background art.

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

[0007] The welding workpiece quick positioning and clamping tool fixture includes operation table, the top of the operation table is slidably connected with sliding plate one and sliding plate three, the top of the sliding plate one is fixedly connected with fixed mechanism, the top of the sliding plate three is fixedly connected with cooling mechanism, the fixed mechanism includes support connecting column, the bottom of the support connecting column is fixedly connected at the top of the sliding plate one, the top of the support connecting column is fixedly connected with fixed support plate, the top of the fixed support plate is fixedly connected with brake assembly, the outer side of the brake assembly is fixedly connected with linkage plate, the outer side of the linkage plate is fixedly connected with driving plate, the both sides of the driving plate are rotatably connected with rotating link one, the outer side of the rotating link one is rotatably connected with rotating link two, the outer side of the rotating link two is rotatably connected with clamping assembly, the outer side of the rotating link two is rotatably connected with limit assembly.

[0008] Working principle: start the brake assembly, the brake assembly drives the linkage plate to move, the linkage plate drives the driving plate to move. The driving plate drives the rotating link I to rotate the rotating link II, the rotation of the rotating link II makes the clamping assembly move to the workpiece, so that the workpiece is quickly positioned and clamped, and at the same time the limiting assembly limits the rotation of the rotating link II, ensuring the stability and accuracy of the clamping action.

[0009] The utility model discloses the beneficial effect that:

[0010] During the use of the utility model, the sliding plate II is pushed by the cylinder, and a series of connecting rod mechanisms drive the rotating rod and the flexible plate to move, which can quickly position and clamp the workpiece, greatly shortening the preparation time compared with the traditional manual positioning and clamping mode, improving the production efficiency, for example, in a large-scale welding production line, the positioning and clamping time of each workpiece is shortened from several minutes to several tens of seconds, improving the overall production rhythm.

[0011] Further, the cooling mechanism includes a water tank, the bottom of the water tank is fixedly connected to the top of the sliding plate III, the top of the water tank is provided with a water inlet, and the outer side of the water tank is fixedly connected with a spraying assembly.

[0012] Further, the brake assembly includes four limiting plates and a fixed plate, the bottom of the limiting plate is fixedly connected to the top of the fixed support plate, the opposite side of the limiting plate is fixedly connected with two fixed columns II, the outer side of the two fixed columns II is slidably connected with a sliding plate II, and the outer side of the sliding plate II is fixedly connected with a linkage plate.

[0013] Further, the bottom of the fixed plate is fixedly connected to the top of the fixed support plate, the outer side of the fixed plate is fixedly connected with a cylinder, and the driving end of the cylinder is fixedly connected to the outer side of the sliding plate II.

[0014] Further, the clamping assembly includes a rotating rod, the inner side of the rotating rod is rotatably connected to the outer side of the rotating link II, and the other end of the rotating rod is fixedly connected with a flexible plate.

[0015] Further, the limiting assembly includes a fixed column I, the outer side of the fixed column I is rotatably connected to the inner side of the rotating link II, and the outer side of the fixed column I is fixedly connected to the outer side of the fixed support plate.

[0016] Further, the outer side of the rotating link II is slidably connected with a fixed limiting ring, and the two ends of the fixed limiting ring are fixedly connected to the bottom of the fixed support plate.

[0017] Further, the spraying assembly includes a water spraying conduit, the outer side of the water spraying conduit is fixedly connected to the outer side of the water tank, and the outer side of the water spraying conduit is fixedly connected with a spray head.

[0018] The utility model discloses the beneficial effect is:

[0019] The utility model discloses the use process, through the quick push sliding plate three makes the nozzle aim at the welding part to spray coolant, can cool the welding area in time, and the quick cooling can effectively reduce the thermal stress of workpiece, prevents the deformation and crack from producing because of thermal expansion and cold shrink, and for some higher dimensional accuracy requirement workpiece, this cooling mode can guarantee its dimensional accuracy in the allowable range, improves the qualified rate of product. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is the three -dimensional schematic view of the welding workpiece quick positioning and clamping tool fixture that the utility model proposes;

[0021] Figure 2 It is the structure schematic view of the rotating rod of the welding workpiece quick positioning and clamping tool fixture that the utility model proposes;

[0022] Figure 3 It is Figure 2 It is the enlarged view of A in the middle;

[0023] Figure 4 It is the structure schematic view of the water tank of the welding workpiece quick positioning and clamping tool fixture that the utility model proposes.

[0024] The figure mark explanation is: operating platform 1, sliding plate one 2, support connecting column 3, linkage plate 4, drive plate 5, rotating connecting rod one 6, rotating connecting rod two 7, fixed limit ring 8, fixed column one 9, rotating rod 10, flexible plate 11, fixed support plate 12, limit plate 13, sliding plate two 14, fixed column two 15, fixed plate 16, pneumatic cylinder 17, water tank 18, water inlet 19, water injection guide pipe 20, sliding plate three 21, nozzle 22. DETAILED DESCRIPTION

[0025] The technical scheme in the utility model embodiment will be described clearly and completely below in conjunction with the drawings in the utility model embodiment, and obviously, the described embodiment only is a part of the embodiment of the utility model, not all the embodiment. Based on the embodiment in the utility model, all other embodiments that the person skilled in the art obtains without making the creative labor belong to the scope of the utility model protection.

[0026] Refer to Figures 1 to 3The utility model provides a kind of embodiment: welding workpiece quick positioning and clamping tool fixture, including operation platform 1, the top of operation platform 1 is slidably connected with sliding plate one 2 and sliding plate three 21, the top of sliding plate one 2 is fixedly connected with fixed mechanism, sliding plate one 2 is used to realize the flexible adjustment of fixed mechanism position, to adapt to different sizes and position requirement welding workpiece, complete the quick positioning of workpiece, the top of sliding plate three 21 is fixedly connected with cooling mechanism, operation platform 1 is used to provide sliding rail for sliding plate one 2 and sliding plate three 21, sliding plate three 21 is used to make cooling mechanism accurately move to welding position, and timely cooling treatment is carried out to workpiece after welding;

[0027] Fixed mechanism includes support connecting column 3, the bottom of support connecting column 3 is fixedly connected in the top of sliding plate one 2, the top of support connecting column 3 is fixedly connected with fixed support plate 12, support connecting column 3 is used to connect sliding plate one 2 and fixed support plate 12, the top of fixed support plate 12 is fixedly connected with brake assembly, the outside of brake assembly is fixedly connected with linkage plate 4, the outside of linkage plate 4 is fixedly connected with driving plate 5, the both sides of driving plate 5 are rotatably connected with rotating link one 6, linkage plate 4 is used to transmit the movement of brake assembly to driving plate 5, realizes the transmission of force and the conversion of movement, driving plate 5 is used to connect linkage plate 4 and rotating link one 6, driving plate 5 is used to convert the linear motion of linkage plate 4 into the rotary motion of rotating link one 6, the outside of rotating link one 6 is rotatably connected with rotating link two 7, the outside of rotating link two 7 is rotatably connected with clamping assembly, the outside of rotating link two 7 is rotatably connected with limit component, fixed support plate 12 is used to provide mounting platform for brake assembly, linkage plate 4, rotating link two 7 is used to connect rotating link one 6 and clamping assembly;

[0028] Brake assembly includes four limit plates 13, fixed plate 16, the bottom of limit plate 13 is fixedly connected in the top of fixed support plate 12, the opposite side of limit plate 13 is fixedly connected with two fixed columns two 15, fixed column two 15 is used to fix fixed column two 15, the outside of two fixed columns two 15 is slidably connected with sliding plate two 14, fixed column two 15 is used to be the sliding guide rail of sliding plate two 14, the outside of sliding plate two 14 is fixedly connected with linkage plate 4, sliding plate two 14 is used to transmit the thrust of cylinder 17 to linkage plate 4, the bottom of fixed plate 16 is fixedly connected in the top of fixed support plate 12, the outside of fixed plate 16 is fixedly connected with cylinder 17, fixed plate 16 is used to be the installation basis of cylinder 17, the drive end of cylinder 17 is fixedly connected in the outside of sliding plate two 14, cylinder 17 is used to push sliding plate two 14;

[0029] The clamping assembly comprises a rotating rod 10 rotatably connected to the outer side of the second rotating connecting rod 7, and the other end of the rotating rod 10 is fixedly connected with a flexible plate 11, the rotating rod 10 is used for transmitting the rotating motion of the second rotating connecting rod 7 to the flexible plate 11, the flexible plate 11 is used for adapting to the slight unevenness of the workpiece surface during clamping, avoiding damage to the workpiece surface, and providing uniform clamping force to ensure the stability of the workpiece during welding;

[0030] The limiting assembly comprises a fixed column 9 rotatably connected to the inner side of the second rotating connecting rod 7, and the outer side of the fixed column 9 is fixedly connected to the outer side of the fixed support plate 12, the outer side of the second rotating connecting rod 7 is slidably connected with a fixed limiting ring 8, the fixed limiting ring 8 is used for limiting the sliding of the second rotating connecting rod 7, ensuring the accuracy of the angle and position of the second rotating connecting rod 7 during rotation, and the two ends of the fixed limiting ring 8 are fixedly connected to the bottom of the fixed support plate 12.

[0031] Referring to Figure 1 , Figure 2 , Figure 4 The cooling mechanism comprises a water tank 18 fixedly connected to the top of the sliding plate 21, and a water inlet 19 is formed in the top of the water tank 18, the water tank 18 is used for providing a cooling liquid source for cooling operation, ensuring that the workpiece can be cooled in time after welding, the outer side of the water tank 18 is fixedly connected with a spraying assembly, the spraying assembly comprises a water spraying conduit 20 used for connecting the water tank 18 and the spray head 22, the water spraying conduit 20 is fixedly connected to the outer side of the water tank 18 and fixedly connected with a spray head 22 on the outer side, the spray head 22 is used for quickly cooling the welded workpiece, preventing the workpiece from being deformed or cracked due to thermal stress.

[0032] Working principle: when welding, check the water tank 18, through the water inlet 19 to see the water level, if the water level is insufficient, add coolant, push the sliding plate two 14 through the air cylinder 17, the sliding plate two 14 is sleeved on the outside of the fixed column two 15 fixed by the limiting plate 13, the movement of the sliding plate two 14 drives the linkage plate 4 to slide, the linkage plate 4 drives the driving plate 5 to move, the rotating link one 6 on both sides of the driving plate 5 rotates with the movement of the driving plate 5, the rotation of the rotating link one 6 further drives the rotating link two 7 to rotate, in this process, the fixed column one 9 acts as the rotating point of the rotating link two 7 and the rotating rod 10, ensuring that the rotating link two 7 and the rotating rod 10 can rotate in the predetermined manner, at the same time, the fixed limiting ring 8 limits the sliding of the rotating link two 7, ensuring the accuracy of the rotating angle and position, with the relative movement of the two rotating rods 10, the flexible plate 11 can adapt to the slight unevenness of the workpiece surface when clamping, avoiding damage to the workpiece surface, and providing uniform clamping force;

[0033] Push the sliding plate three 21 to slide on the operation table 1, make the spray head 22 of the cooling mechanism align with the welding position, the coolant in the water tank 18 is delivered to the spray head 22 through the water spray guide pipe 20, the spray head 22 sprays the coolant to the welding position at a suitable pressure and angle, quickly cools the workpiece after welding, prevents the workpiece from deforming or cracking due to thermal stress.

[0034] Finally, it should be pointed out that the above embodiments are only used to illustrate the technical solutions of the present application and are not limiting. Although the present application has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present application can be modified or replaced equivalently without departing from the purpose and scope of the present application, and all should be covered in the scope of the claims of the present application.

Claims

1. A fixture for quick positioning and clamping of workpieces to be welded, comprising an operating table (1), characterized in that: The top of the operating platform (1) is slidably connected with sliding plate one (2) and sliding plate three (21), the top of the sliding plate one (2) is fixedly connected with a fixing mechanism, the top of the sliding plate three (21) is fixedly connected with a cooling mechanism; The fixing mechanism comprises a support connecting column (3), the bottom of the support connecting column (3) is fixedly connected with the top of the sliding plate one (2), the top of the support connecting column (3) is fixedly connected with a fixed support plate (12), the top of the fixed support plate (12) is fixedly connected with a brake assembly, the outer side of the brake assembly is fixedly connected with a linkage plate (4), the outer side of the linkage plate (4) is fixedly connected with a driving plate (5), the two sides of the driving plate (5) are rotatably connected with a rotating link one (6), the outer side of the rotating link one (6) is rotatably connected with a rotating link two (7), the outer side of the rotating link two (7) is rotatably connected with a clamping assembly, and the outer side of the rotating link two (7) is rotatably connected with a limiting assembly.

2. The quick positioning and clamping fixture for welding workpieces according to claim 1, characterized in that: The cooling mechanism comprises a water tank (18), the bottom of the water tank (18) is fixedly connected with the top of the sliding plate three (21), the top of the water tank (18) is provided with a water inlet (19), and the outer side of the water tank (18) is fixedly connected with a spraying assembly.

3. The quick positioning and clamping fixture for welding workpiece as claimed in claim 1 wherein: The brake assembly comprises four limiting plates (13) and a fixed plate (16), the bottom of the limiting plate (13) is fixedly connected with the top of the fixed support plate (12), the opposite side of the limiting plate (13) is fixedly connected with two fixed columns two (15), the outer side of the two fixed columns two (15) is slidably connected with a sliding plate two (14), and the outer side of the sliding plate two (14) is fixedly connected with the linkage plate (4).

4. The quick positioning and clamping fixture for welding workpieces according to claim 3, characterized in that: The bottom of the fixed plate (16) is fixedly connected with the top of the fixed support plate (12), and the outer side of the fixed plate (16) is fixedly connected with an air cylinder (17), and the driving end of the air cylinder (17) is fixedly connected with the outer side of the sliding plate two (14).

5. The quick positioning and clamping fixture for welding workpieces as claimed in claim 1 wherein: The clamping assembly comprises a rotating rod (10), the inner side of the rotating rod (10) is rotatably connected with the outer side of the rotating link two (7), and the other end of the rotating rod (10) is fixedly connected with a flexible plate (11).

6. The quick positioning and clamping fixture for welding workpieces as claimed in claim 1 wherein: The limiting assembly comprises a fixed column one (9), the outer side of the fixed column one (9) is rotatably connected with the inner side of the rotating link two (7), and the outer side of the fixed column one (9) is fixedly connected with the outer side of the fixed support plate (12).

7. The quick positioning and clamping fixture for welding workpieces according to claim 6, characterized in that: The outer side of the rotating link two (7) is slidably connected with a fixed limiting ring (8), and the two ends of the fixed limiting ring (8) are fixedly connected with the bottom of the fixed support plate (12) in protruding shafts.

8. The quick positioning and clamping fixture for welding workpieces as claimed in claim 2 wherein: The spraying assembly comprises a water spraying guide pipe (20), the outer side of the water spraying guide pipe (20) is fixedly connected with the outer side of the water tank (18), and the outer side of the water spraying guide pipe (20) is fixedly connected with a spray head (22).

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