Positioning and clamping device for welding machining of sheet metal parts

Abstract

The utility model discloses a positioning and clamping device for sheet metal part welding processing. The positioning and clamping device comprises a base plate; the two mounting seats are arranged on the base plate in parallel, and sliding grooves are formed in the mounting seats; the clamping assembly comprises a driving air cylinder, a first connecting rod unit, a second connecting rod unit and a clamping block, the two ends of the driving air cylinder are connected with the first connecting rod unit and the second connecting rod unit correspondingly, and the first connecting rod unit and the second connecting rod unit are both movably connected to the mounting base; the first connecting rod unit and the second connecting rod unit are both connected with the clamping blocks, and the clamping blocks are connected into the sliding grooves in a sliding mode. Compared with the prior art, the sheet metal part welding fixture can solve the problems that an existing sheet metal part welding fixture is inconvenient to operate, and clamping efficiency is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to sheet metal processing equipment technical field especially relates to a sheet metal part welding processing positioning clamping device. BACKGROUND

[0002] Sheet metal is a kind of comprehensive cold working process for sheet metal, including cutting, punching, cutting, composite, folding, welding, riveting, splicing, forming etc., its significant feature is the same part thickness, the product called sheet metal part is processed by sheet metal process, and the sheet metal part of different industries is generally different, and it is called when being used for assembly.

[0003] When welding sheet metal parts, in order to ensure the welding quality, the workpiece to be welded is usually positioned and clamped by using a welding fixture to avoid the movement of the workpiece in the welding process, so that the deviation of welding points occurs, thereby leading to unstable welding quality. A kind of welding fixture of the prior art comprises a base plate, a positioning pin mounted on the base plate and a support connected with a pressing screw. The welding fixture of this structure needs to manually rotate the pressing screw to press the workpiece after positioning the workpiece, and the pressing screw needs to be counter-rotated to take out the workpiece after welding. This clamping operation is not convenient, which greatly reduces the clamping efficiency. SUMMARY

[0004] The utility model relates to a kind of sheet metal part welding processing positioning clamping devices, to solve the problem that the existing sheet metal part welding fixture is not convenient to operate and reduces clamping efficiency.

[0005] To achieve the above purpose, the utility model provides a kind of sheet metal part welding processing positioning clamping device, it includes:

[0006] Base plate;

[0007] Mounting seat, the base plate is provided with two mounting seats arranged in parallel, the mounting seat is provided with a sliding slot;

[0008] Clamping assembly, it includes drive cylinder, first connecting rod unit, second connecting rod unit and clamping block, the two ends of the drive cylinder are connected with the first connecting rod unit and the second connecting rod unit respectively, the first connecting rod unit and the second connecting rod unit are movably connected on the mounting seat, the first connecting rod unit and the second connecting rod unit are connected with the clamping block, and the clamping block is slidably connected in the sliding slot.

[0009] As a further description of the above technical solution:

[0010] The first connecting rod unit and the second connecting rod unit are identical in structure, the first connecting rod unit comprises a first connecting rod and a second connecting rod, the first connecting rod is rotationally connected to a rotating shaft seat of the mounting seat through a rotating shaft, one end of the first connecting rod is connected to the driving cylinder, and the other end of the first connecting rod is movably connected to the second connecting rod, and the second connecting rod is connected to the clamping block.

[0011] As a further description of the above technical solution:

[0012] The first connecting rod is provided with a third connecting rod, and a limiting assembly is arranged between the two third connecting rods.

[0013] As a further description of the above technical solution:

[0014] The limiting assembly comprises a sliding rod fixedly connected to the mounting seat, a sliding seat is slidably connected to the sliding rod, a fourth connecting rod is rotationally connected to the sliding seat, and the fourth connecting rod is rotationally connected to the third connecting rod.

[0015] As a further description of the above technical solution:

[0016] The mounting seat is provided with a mounting through hole, and the driving cylinder is located in the mounting through hole.

[0017] As a further description of the above technical solution:

[0018] The mounting seat is provided with a positioning groove at the top, the sliding groove is located at the side of the positioning groove, and the positioning groove is in communication with the sliding groove.

[0019] As described above, due to the adoption of the above technical solution, the beneficial effects of the present application are: by arranging two mounting seats and two clamping assemblies on the base plate, the stability of the fixed metal plate can be improved, by arranging the driving cylinder, the first connecting rod unit and the second connecting rod unit, the driving cylinder can drive the first connecting rod unit and the second connecting rod unit to move simultaneously, so that the two clamping blocks move towards the positioning groove to clamp the metal plate, after welding is completed, the driving cylinder can drive the first connecting rod unit and the second connecting rod unit to rotate simultaneously, so that the clamping blocks are separated, thereby the work is simple and convenient, and the clamping efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments, and it should be understood that the following drawings only show some embodiments of the present application, and therefore should not be regarded as a limitation to the scope, and for those skilled in the art, other related drawings can also be obtained without creative labor on the basis of these drawings.

[0021] Fig. 1 It is a structure schematic view of a positioning and clamping device for sheet metal welding processing.

[0022] Fig. 2 It is a structure schematic view of a clamping assembly in a positioning and clamping device for sheet metal welding processing.

[0023] Legend:

[0024] 1, base plate; 2, mounting seat; 3, sliding groove; 4, clamping assembly; 41, driving cylinder; 42, first connecting rod unit; 421, first connecting rod; 422, second connecting rod; 43, second connecting rod unit; 44, clamping block; 5, third connecting rod; 6, limiting assembly; 61, sliding rod; 62, sliding seat; 7, fourth connecting rod; 8, mounting through hole; 9, positioning groove. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme in the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application described and shown in the drawings herein can be arranged and designed in various different configurations.

[0026] Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the present application.

[0027] It should be noted that: similar numbers and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings.

[0028] In the description of the embodiments of the present application, it should be noted that the orientation or position relationship indicated by the terms "upper", "inner" and the like is based on the orientation or position relationship shown in the drawings, or the orientation or position relationship commonly placed when the product of the present application is used, which is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the present application.

[0029] In the description of the utility model, still need explaining, unless another explicit provision and limitation, term "arrangement", "installation", "adjacent", "connection" should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected, can be directly adjacent, also can pass through intermediate medium indirectly adjacent, can be two element inside intercommunication. For ordinary skilled person in the art, can understand the specific meaning of above-mentioned term in the utility model with specific circumstances.

[0030] Please refer to Figs. 1-2 The utility model provides a sheet metal part welding processing positioning and clamping device, it includes:

[0031] Base plate 1;

[0032] Mounting seat 2, two mounting seats 2 of parallel arrangement are provided on the base plate 1, the mounting seat 2 is provided with sliding slot 3;

[0033] Clamping assembly 4, it includes drive cylinder 41, first connecting rod unit 42, second connecting rod unit 43 and clamping block 44, the both ends of drive cylinder 44 are connected first connecting rod unit 42, second connecting rod unit 43 respectively, first connecting rod unit 42 and second connecting rod unit 43 are movably connected on mounting seat 2, first connecting rod unit 42 and second connecting rod unit 43 are all connected with clamping block 44, and clamping block 44 is slidably connected in sliding slot 3.

[0034] First connecting rod unit 42 and second connecting rod unit 43 are same in structure, first connecting rod unit 42 includes first connecting rod 421 and second connecting rod 422, the first connecting rod is rotatably connected on the pivot seat of mounting seat through pivot, one end of first connecting rod 421 is connected with drive cylinder 44, and the other end of first connecting rod 421 is movably connected with second connecting rod 422, and second connecting rod 422 is connected with clamping block 44. When drive cylinder works, drive cylinder drives first connecting rod to rotate around mounting seat, to make first connecting rod drive second connecting rod to pull clamping block and move, and the operation is convenient and quick.

[0035] The first connecting rod 421 is provided with a third connecting rod 5, and a limiting assembly 6 is arranged between the two third connecting rods 5 and is arranged on the mounting seat 2. The limiting assembly 6 comprises a sliding rod 61 fixedly connected to the mounting seat 2, a sliding block 62 slidably connected to the sliding rod 61, a fourth connecting rod 7 rotatably connected to the sliding block 62, and the fourth connecting rod 7 is rotatably connected with the third connecting rod 5. The driving cylinder pushes the first connecting rod to move outward, the third connecting rod pulls the fourth connecting rod to move, so that the sliding block slides downward, so that the first connecting rod moves towards the sliding block, and the purpose of pushing the clamping block to move is achieved; the driving cylinder pulls the first connecting rod to move inward, the sliding block moves upward, and through the limiting assembly, the overall operation can be more stable.

[0036] The mounting seat 2 is provided with a mounting through hole 8, and the driving cylinder 44 is located in the mounting through hole 8. The first connecting rod can be conveniently moved, and the driving cylinder can be hidden.

[0037] The mounting seat 2 is provided with a positioning groove 9 at the top, the sliding groove 3 is located at the side of the positioning groove 9, and the positioning groove 9 is in communication with the sliding groove 3. The positioning groove can facilitate the fixing of the metal plate.

[0038] Working principle: the metal plate is placed in the positioning groove, the driving cylinder pushes the first connecting rod to move outward, so that the first connecting rod rotates, the second connecting rod pushes the clamping block to move to clamp the metal plate, the fixing of the metal plate is completed, after processing is completed, the driving cylinder pulls the first connecting rod to move inward, so that the first connecting rod drives the second connecting rod to move, and pulls the clamping block to move outward and separate from the metal plate. By arranging two mounting seats and two clamping assemblies on the base plate, the stability of the fixing of the metal plate can be improved, by arranging the driving cylinder, the first connecting rod and the second connecting rod unit, the driving cylinder can drive the first connecting rod and the second connecting rod unit to move simultaneously, so that the two clamping blocks move towards the positioning groove and clamp the metal plate, after welding is completed, the driving cylinder can drive the first connecting rod and the second connecting rod unit to rotate simultaneously, so that the clamping blocks are separated, so that the work is simple and convenient, and the clamping efficiency is improved.

[0039] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited thereto, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A positioning and clamping device for welding sheet metal parts, characterized in that, include: substrate; Mounting base, the base plate is provided with two mounting bases arranged in parallel, and the mounting base is provided with a sliding groove; The clamping assembly includes a drive cylinder, a first linkage unit, a second linkage unit, and a clamping block. The two ends of the drive cylinder are respectively connected to the first linkage unit and the second linkage unit. Both the first linkage unit and the second linkage unit are movably connected to the mounting base. The clamping block is connected to both the first linkage unit and the second linkage unit, and the clamping block is slidably connected in the slide groove.

2. The sheet metal welding processing positioning and clamping device according to claim 1, characterized in that, The first linkage unit and the second linkage unit have the same structure. The first linkage unit includes a first linkage and a second linkage. The first linkage is rotatably connected to the pivot seat of the mounting base via a pivot shaft. One end of the first linkage is connected to the drive cylinder, and the other end of the first linkage is movably connected to the second linkage. The second linkage is connected to the clamping block.

3. The sheet metal welding processing positioning and clamping device according to claim 2, characterized in that, A third link is provided on the first link, and a limit component is provided between the two third links. The limit component is provided on the mounting base.

4. The sheet metal welding processing positioning and clamping device according to claim 3, characterized in that, The limiting component includes a slide rod fixedly connected to the mounting base, a slide block slidably connected to the slide rod, a fourth link rotatably connected to the slide block, and the fourth link rotatably connected to the third link.

5. A sheet metal welding processing positioning and clamping device according to claim 2, characterized in that, The mounting base is provided with a mounting through hole, and the drive cylinder is located in the mounting through hole.

6. The sheet metal welding processing positioning and clamping device according to claim 1, characterized in that, The mounting base has a positioning groove on its top, and the sliding groove is located on the side of the positioning groove, and the positioning groove is connected to the sliding groove.

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