Auxiliary positioning device for workpiece welding

Abstract

The utility model relates to the technical field of workpiece machining, in particular to an auxiliary positioning device for workpiece welding. The auxiliary positioning device for workpiece welding is high in stability. The device comprises a machining rack, air cylinders, push blocks, positioning blocks, positioning rolling shafts and a pressing assembly, the machining rack is provided with a conveying rail used for automatically conveying workpieces, the air cylinders are symmetrically arranged on the machining rack in the front-back direction, the end portions of telescopic shafts of the air cylinders are connected with the push blocks, the push blocks are provided with inclined grooves, and the inclined grooves are communicated with the positioning rolling shafts. The positioning block is arranged on the machining rack in a sliding mode, the positioning block is connected with a positioning rolling shaft, the positioning rolling shaft is movably arranged in the inclined groove in a sleeved mode, and the machining rack is further provided with a pressing assembly used for extruding and positioning a workpiece. According to the device, through linkage cooperation of the positioning assembly and the pressing assembly, the workpiece can be blocked and positioned, meanwhile, stable pressing force can be provided for the workpiece, and then the workpiece welding quality and efficiency can be improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to work piece processing technical field, specifically a kind of auxiliary positioning device for work piece welding. BACKGROUND

[0002] In prior art in modern manufacturing industry, work piece welding is a common machining process, widely used in automobile, machinery, building and other industries.In the welding process of work piece, often need to carry out repair welding treatment to the work piece with bad welds.When the work piece with bad welds is subjected to repair welding, positioning fixture is needed to clamp and limit the work piece.

[0003] The auxiliary positioning device for work piece welding in prior art is usually simple in structure and single in function, and cannot clamp and limit the work piece at the same time, but only through simple blocking positioning structure, which is difficult to ensure the stability in the welding process of work piece, and thus the repair welding quality of work piece may be poor.

[0004] Therefore, in view of the above problems in prior art, an auxiliary positioning device for work piece welding with high stability is provided. SUMMARY

[0005] In order to overcome the limitation of simple structure and single function of the auxiliary positioning device, and the insufficient stability in positioning work piece, the utility model aims to provide an auxiliary positioning device for work piece welding with high stability.

[0006] The technical implementation scheme of the utility model is as follows: an auxiliary positioning device for work piece welding, comprising a machining rack, a conveying track, a heating module and a welding pedestal, the machining rack is provided with a conveying track for automatically conveying work piece, the rear side of the machining rack is provided with a heating module capable of being turned over and adjusted, the machining rack is also provided with a welding pedestal, further comprising a positioning assembly and a pressing assembly, the positioning assembly is arranged on the machining rack close to the conveying track, the positioning assembly comprises a cylinder, a push block, a positioning block and a positioning roller, the cylinders are symmetrically arranged on the machining rack, the push block is connected to the extension shaft end of the cylinder, the push block is provided with an inclined slot, the positioning block is slidably arranged on the machining rack, the positioning roller is connected to the positioning block, and the positioning roller is movably sleeved in the inclined slot, the machining rack is also provided with a pressing assembly for extruding and positioning work piece.

[0007] Further, the positioning assembly further comprises a guide rail and a sliding seat, the guide rail is arranged on the machining rack, and the push block is slidably connected to the guide rail, the sliding seat is also arranged on the machining rack close to the guide rail, and the positioning block is slidably connected to the sliding seat.

[0008] Further, the pressing assembly comprises an inclined wedge, a guide sleeve, a moving seat and a limiting piece, the side of the push block is provided with the inclined wedge, the guide sleeve is arranged on the machining rack close to the inclined wedge, the moving seat capable of moving up and down is arranged on the guide sleeve in a sliding mode, and the limiting piece for pressing the workpiece is arranged between the moving seat and the guide sleeve.

[0009] Further, the limiting piece comprises a pressure plate, a wedge-shaped pressing block and an elastic piece, one side of the moving seat is provided with the pressure plate, the other side of the moving seat is provided with the wedge-shaped pressing block, the inclined wedge can be in abutting connection with the wedge-shaped pressing block, and the elastic piece is connected between the bottom of the moving seat and the bottom of the guide sleeve.

[0010] Further, the left and right sides of the bottom of the pressure plate are designed as upward folding structures.

[0011] Further, the supporting piece is further arranged between the heating module and the machining rack.

[0012] Beneficial effects are that: through the linkage cooperation of the positioning assembly and the pressing assembly, the workpiece can be positioned and blocked, and stable pressing force can be provided for the workpiece, so that the quality and efficiency of workpiece welding are improved, and the device has a wide application prospect. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a three-dimensional structure schematic diagram of the utility model.

[0014] Figure 2 It is a part of three-dimensional structure schematic diagram of the utility model.

[0015] Figure 3 It is a three-dimensional structure schematic diagram of the positioning assembly.

[0016] Figure 4 It is a three-dimensional structure schematic diagram of the positioning assembly from another angle.

[0017] Figure 5 It is a three-dimensional structure schematic diagram of the positioning assembly and the pressing assembly.

[0018] Figure 6 It is an extension state diagram of the positioning assembly.

[0019] Figure 7 It is a three-dimensional structure schematic diagram of the pressing assembly.

[0020] Figure 8 It is a downward extrusion state diagram of the pressing assembly.

[0021] Wherein, the above-mentioned drawings include the following reference signs: 1_processing bench, 2_conveying track, 3_heating module, 30_support, 4_welding pedestal, 40_inductor, 5_air cylinder, 6_push block, 60_chute, 7_rail, 8_positioning block, 80_sliding seat, 9_positioning roller, 10_wedge, 11_guide sleeve, 12_moving seat, 13_pressing plate, 14_wedge-shaped pressing block, 15_elastic member. DETAILED DESCRIPTION

[0022] Although the present application can be described with respect to particular applications or industries, those skilled in the art will recognize that the present application has a much broader scope. Those of ordinary skill in the art will recognize that terms such as: above, below, upper, lower, and the like are used to describe the drawings and are not intended to limit the scope of the present application as defined by the appended claims. Any numerical designations such as: first or second are illustrative only and are not intended to limit the scope of the present application in any way.

[0023] Embodiment: The auxiliary positioning device for workpiece welding provided by the present application, referring to Figures 1 to 8 As shown in the figure, it comprises a processing bench 1, a conveying track 2, a heating module 3, a support 30, a welding pedestal 4, an inductor 40, a positioning assembly and a pressing assembly. The processing bench 1 is provided with the conveying track 2. The rear side of the processing bench 1 is provided with the heating module 3 which can be adjusted by turning over. The support 30 is hingedly connected between the heating module 3 and the processing bench 1. The support 30 is a hydraulic supporting rod, which is convenient for automatically supporting and positioning the heating module 3 when it is turned over upward. The processing bench 1 is also provided with the welding pedestal 4. The welding pedestal 4 is provided with the inductor 40. The inductor 40 is a visual sensing device in the prior art, which is used for automatically identifying defective welding spots on the workpiece. The processing bench 1 is provided with a pc control system. The conveying track 2, the heating module 3 and the inductor 40 are electrically connected with the pc control system. The processing bench 1 is provided with the positioning assembly near the conveying track 2. The positioning assembly comprises an air cylinder 5, a push block 6, a positioning block 8 and a positioning roller 9. The processing bench 1 is provided with the air cylinder 5 symmetrically in front and back. The telescopic shaft end of the air cylinder 5 is connected with the push block 6. The push block 6 is provided with a chute 60. The positioning block 8 is slidingly arranged on the processing bench 1. The positioning block 8 is connected with the positioning roller 9. The positioning roller 9 is movably sleeved in the chute 60. Through the cooperation of the positioning roller 9 and the chute 60, the accurate positioning of the workpiece on the conveying track 2 can be ensured. The processing bench 1 is also provided with the pressing assembly.

[0024] Further, referring to Figure 5 and Figure 7As shown, the positioning assembly further comprises a guide rail 7 and a sliding seat 80, the guide rail 7 is arranged on the machining rack 1, and the push block 6 is in sliding connection with the guide rail 7, and the sliding seat 80 is also arranged on the machining rack 1 close to the guide rail 7, and the positioning block 8 is in sliding connection with the sliding seat 80; through the cooperation of the cylinder 5 and the positioning assembly, the workpiece can be quickly and accurately positioned, thereby facilitating the improvement of the precision of the workpiece welding.

[0025] Further, referring to Figures 3 to 8 As shown, the pressing assembly comprises an inclined wedge 10, a guide sleeve 11, a moving seat 12 and a limiting piece, the side edge of the push block 6 is provided with the inclined wedge 10, the guide sleeve 11 is arranged on the machining rack 1 close to the inclined wedge 10, the moving seat 12 capable of moving up and down is arranged in sliding connection on the guide sleeve 11, and the limiting piece is arranged between the moving seat 12 and the guide sleeve 11; through the inclined wedge 10, the guide sleeve 11 and the wedge-shaped pressing block 14, it is beneficial to ensure that the workpiece remains stable during welding and prevents displacement.

[0026] In addition, referring to Figures 4 to 8 As shown, the limiting piece comprises a pressure plate 13, a wedge-shaped pressing block 14 and an elastic piece 15, one side of the moving seat 12 is provided with the pressure plate 13, the left and right sides of the bottom of the pressure plate 13 are designed as upward folding structures, which can better press and fit the workpiece, thereby facilitating the stable positioning of the workpiece; the other side of the moving seat 12 is provided with the wedge-shaped pressing block 14, and the inclined wedge 10 can abut and cooperate with the wedge-shaped pressing block 14, and the elastic piece 15 is connected between the bottom of the moving seat 12 and the bottom of the guide sleeve 11; the elastic piece 15 is a compression spring, which can provide an upward reset action for the pressure plate 13, the wedge-shaped pressing block 14 and the moving seat 12.

[0027] When rough positioning of the existing defective welding spot on the workpiece is performed, the machining workpiece is conveyed from left to right on the conveying track 2, and after the workpiece is sent to the specified position of the workbench, the push block 6 is pushed to slide along the guide rail 7 by controlling the extension shaft of the cylinder 5, the inclined groove 60 on the push block 6 drives the positioning roller 9 to move, the positioning block 8 slides along the sliding seat 80, so that the workpiece is accurately positioned on the welding pedestal 4; at the same time, when the positioning block 8 moves out, the inclined wedge 10 on it moves synchronously, so that the wedge-shaped pressing block 14, the moving seat 12 and the pressure plate 13 can move downward along the guide sleeve 11 to press and limit the workpiece. Starting the heating module 3 can realize heating of the workpiece, at the same time, through the inductor 40 (i.e. visual sensing device) on the device, the position signal of the defective welding spot is sent to the pc control system, and then the tin pot on the device is controlled to move up and down to automatically perform the repair welding treatment on the defective welding spot.

[0028] Although the utility model is described in detail with reference to the above embodiments, it is obvious to those skilled in the art through the disclosure that various changes or modifications can be made to the utility model without departing from the principles and spirit of the utility model defined in the claims. Therefore, the detailed description of the embodiments of the disclosure is only used for explanation, not for limiting the utility model, and the protection range is defined by the content of the claims.

Claims

1. An auxiliary positioning device for workpiece welding, comprising a machining rack (1), a conveying track (2), a heating module (3) and a welding pedestal (4), the machining rack (1) is provided with a conveying track (2) for automatically conveying workpieces, the rear side of the machining rack (1) is provided with a heating module (3) capable of being adjusted by turning, and the machining rack (1) is further provided with a welding pedestal (4), characterized in that, The positioning assembly further comprises a guide rail (7) and a sliding seat (80), the guide rail (7) is arranged on the machining rack (1), and the push block (6) is in sliding connection with the guide rail (7); the sliding seat (80) is also arranged on the machining rack (1) close to the guide rail (7), and the positioning block (8) is in sliding connection with the sliding seat (80).

2. The auxiliary positioning device for welding a workpiece according to claim 1, wherein The pressing assembly comprises an inclined wedge (10), a guide sleeve (11), a moving seat (12) and a limiting piece, the push block (6) is provided with the inclined wedge (10) on the side edge, the machining rack (1) is provided with the guide sleeve (11) close to the inclined wedge (10), the moving seat (12) capable of moving up and down is arranged on the guide sleeve (11) in a sliding mode, and the moving seat (12) and the guide sleeve (11) are provided with the limiting piece for pressing the workpiece.

3. The auxiliary positioning device for welding a workpiece according to claim 1, wherein The limiting piece comprises a pressure plate (13), a wedge-shaped pressing block (14) and an elastic piece (15), one side of the moving seat (12) is provided with the pressure plate (13), the other side of the moving seat (12) is provided with the wedge-shaped pressing block (14), the inclined wedge (10) can be in abutting and matching cooperation with the wedge-shaped pressing block (14), and the bottom of the moving seat (12) and the bottom of the guide sleeve (11) are connected with the elastic piece (15).

4. The auxiliary positioning device for welding a workpiece according to claim 3, wherein The left and right sides of the bottom of the pressure plate (13) are designed in an upward folding structure.

5. The auxiliary positioning device for welding a workpiece according to claim 4, wherein Further comprising a supporting piece (30), the heating module (3) and the machining rack (1) are connected with the supporting piece (30) in a hinged mode.

6. The auxiliary positioning device for welding a workpiece according to claim 1, wherein ​

Images