Push rod chamber cover plate welding clamp

Abstract

The utility model provides a push rod chamber cover plate welding clamp which comprises a clamp bottom plate, two fixing supports are fixed on the clamp bottom plate, supporting cushion blocks are fixed on the upper end faces of the fixing supports, and positioning pin devices are connected to the fixing supports. The push rod chamber cover plate welding clamp is characterized in that pneumatic overturning pressing plate mechanisms are arranged on the side faces of the fixing supports; a linear guide rail is fixed to the clamp bottom plate, a sliding table is supported on the linear guide rail, and a bent pipe positioning device and a bent pipe pneumatic overturning pressing plate mechanism are installed on the sliding table. A manual connecting rod mechanism is arranged on the clamp bottom plate and connected with the sliding table, and the sliding table is controlled to move along the linear guide rail. And a sliding table working position limiting block is fixed on the clamp bottom plate. By the adoption of the device, the position of the bent pipe on the push rod chamber cover plate can be rapidly determined, the position precision of the bent pipe on the push rod chamber cover plate is guaranteed, an external welding robot can be adopted for integrated welding, and the welding quality is improved while the working efficiency is improved.

Description

Technical Field

[0001] The utility model belongs to the field of automobile engine parts manufacturing, in particular to a push rod chamber cover plate welding fixture. Background Art

[0002] At present, in the manufacturing of push rod cover plates, which are parts of automobile engines, it is necessary to weld external bent pipes to the push rod cover plates. Usually, the position of the bent pipes on the push rod cover plates is adjusted manually using conventional measuring tools, and manual arc welding is used. This not only has low work efficiency, but also makes it difficult to ensure the quality of the welds, resulting in a large amount of rework. Due to the sealing performance requirements of the parts, there are also certain quality risks. Summary of the invention

[0003] The utility model proposes a push rod chamber cover plate welding fixture, which can quickly determine the position of the bent pipe on the push rod chamber cover plate, ensure the position accuracy of the bent pipe on the push rod chamber cover plate, optimize the design of the fixture to ensure that integrated welding can be achieved using a welding robot, thereby improving work efficiency and welding quality.

[0004] To achieve the purpose, the technical solution of the utility model is: a push rod chamber cover plate welding fixture, including a fixture bottom plate, two fixed brackets are fixed on the fixture bottom plate, a support pad is fixed on the upper end surface of the fixed bracket, and a positioning pin device is connected to the fixed bracket, characterized in that: a pneumatic flip plate mechanism is provided on the side of the fixed bracket;

[0005] A linear guide is fixed on the fixture base plate, a slide is supported on the linear guide, a pipe bending positioning device and a pipe bending pneumatic flipping plate mechanism are installed on the slide; a manual connecting rod mechanism is arranged on the fixture base plate, the manual connecting rod mechanism is connected to the slide, and the slide is operated to move along the linear guide; a slide working position limit block is fixed on the fixture base plate.

[0006] Furthermore, the bent pipe positioning device includes a mounting bracket, the mounting bracket is fixed on the slide, a positioning shaft mounting bracket is fixed on the mounting bracket, and a positioning shaft is fixed on the positioning shaft mounting bracket.

[0007] Furthermore, the pneumatic flipping pressure plate mechanism for the bent pipe includes a first cylinder, a first pressure plate, and a first transition mounting bracket. The first transition mounting bracket is connected to the fixed bracket. A first connecting block is fixed to the lower part of the rear section of the first pressure plate. The front end of the first connecting block is hinged to the upper end of the first transition mounting bracket. The first cylinder is connected to the lower end of the first transition mounting bracket. A first articulated seat is fixed on the piston rod of the first cylinder. The rear end of the first connecting block is hinged to the first articulated seat.

[0008] Furthermore, the manual connecting rod mechanism includes a fixed base, a flip seat, an intermediate connecting rod, and a connecting seat. The fixed base is fixed on the bottom plate of the fixture, one end of the flip seat is hinged on the fixed base, the other end of the flip seat is hinged to one end of the intermediate connecting rod, the connecting seat is fixed on the side of the slide, and the other end of the intermediate connecting rod is hinged on the connecting seat; a handle is connected to the flip seat.

[0009] The beneficial effect of the utility model is that by adopting the utility model, through the arrangement of the positioning pin device, the bent pipe positioning device, the pneumatic flip pressure plate mechanism, the bent pipe pneumatic flip pressure plate mechanism, the slide table and the manual connecting rod mechanism, the position of the bent pipe on the push rod chamber cover plate can be quickly determined, the position accuracy of the bent pipe on the push rod chamber cover plate can be ensured, and an external welding robot can be used for integrated welding, which improves the welding quality while improving the work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 It is a three-dimensional diagram of the first state of the utility model;

[0011] Figure 2 It is a stereogram of the second state of the utility model.

[0012] As shown in the figure: 1-clamp base plate, 2-support pad, 3-fixed bracket, 4-connecting arm, 5-locating pin, 6-connecting seat, 7-linear guide, 8-intermediate connecting rod, 9-flip seat, 901-handle, 10-slide, 11-mounting bracket, 12-first transition mounting bracket, 13-first pressure plate, 14-positioning shaft mounting bracket, 15-positioning shaft, 16-bend pipe, 17-push rod chamber cover, 18-pneumatic flip pressure plate mechanism, 19-lifting ring, 20-fixed base, 21-guide rail protection plate. DETAILED DESCRIPTION

[0013] The present invention is further described below in conjunction with the accompanying drawings.

[0014] Combination Figure 1-Figure 2 As shown, a push rod chamber cover plate welding fixture includes a fixture bottom plate 1, two fixing brackets 3 are fixed on the fixture bottom plate, a support pad 2 is fixed on the upper end surface of the fixing bracket, a positioning pin device is connected to the fixing bracket, and the positioning pin device is composed of a connecting arm 4 connected to the fixing bracket 3 and a positioning pin 5 connected to the connecting arm 4. A pneumatic flipping plate mechanism 18 is provided on the side of the fixing bracket;

[0015] A linear guide rail 7 is fixed on the fixture base plate 1, and a slide 10 is supported on the linear guide rail. A bending pipe positioning device and a bending pipe pneumatic flip pressure plate mechanism 13 are installed on the slide; a manual connecting rod mechanism is arranged on the fixture base plate, and the manual connecting rod mechanism is connected to the slide to operate the slide to move along the linear guide rail; a slide working position limit block is fixed on the fixture base plate.

[0016] Combination Figure 1 As shown, the bent pipe positioning device includes a mounting bracket 11, which is fixed on a slide 10, on which a positioning shaft mounting bracket 14 is fixed, and on which a positioning shaft 15 is fixed; this structure is simple to set up, and can realize the positioning of the bent pipe in the circumferential direction by cooperating with the positioning shaft and the inner hole on the bent pipe.

[0017] Combination Figure 1 , Figure 2 As shown, the pneumatic flipping pressure plate mechanism for the bent pipe includes a first cylinder 1301, a first pressure plate 1304, and a first transition mounting bracket 12. The first transition mounting bracket is connected to the fixed bracket 11. A first connecting block 1303 is fixed to the lower part of the rear section of the first pressure plate. The front end of the first connecting block is hinged to the upper end of the first transition mounting bracket 12. The first cylinder 1301 is connected to the lower end of the first transition mounting bracket 12. A first articulated seat 1302 is fixed on the piston rod of the first cylinder. The rear end of the first connecting block is hinged to the first articulated seat. Due to the adoption of the articulated structure, the pressure plate can reliably press the bent pipe.

[0018] Combination Figure 1 , Figure 2 As shown, the manual connecting rod mechanism includes a fixed base 20, a flip seat 9, an intermediate connecting rod 8, and a connecting seat 6. The fixed base 20 is fixed on the fixture bottom plate 1, one end of the flip seat 9 is hinged on the fixed base 20, the other end of the flip seat 9 is hinged to one end of the intermediate connecting rod 8, the connecting seat 6 is fixed on the side of the slide 10, and the other end of the intermediate connecting rod 8 is hinged to the connecting seat 6; a handle 901 is connected to the flip seat; the manual connecting rod mechanism using this structure can flexibly control the movement of the slide and ensure that the manual connecting rod mechanism can self-lock when the slide is in the working position to keep the slide in the working position.

[0019] Combination Figure 1 , Figure 2 As shown, the pneumatic flip pressure plate mechanism 18 described in the utility model is the prior art, and generally includes a second cylinder 1801, a second pressure plate 1804, and a second transition mounting bracket 1803. The lower end of the second transition mounting bracket is hinged on the fixed bracket 3, and the upper end of the second transition mounting bracket is hinged on the second pressure plate 1801. A second articulated seat 1802 is fixed on the piston rod of the second cylinder, and the rear end of the second pressure plate 1801 is hinged to the second articulated seat 1802.

[0020] like Figure 1 As shown, lifting rings 19 are provided at the four corners of the bottom plate of the fixture. The provision of the lifting rings 19 facilitates the overall lifting and movement of the fixture.

[0021] The working principle of the utility model is as follows: 1. Prepare the push rod room cover plate and the bent pipe, and place them in a designated material box, which are taken out by the welder in sequence and placed in the welding fixture; 2. The welder presses the operating fixture to automatically clamp the push rod room cover plate and the bent pipe, and moves the bent pipe to a fixed position through the slide; 3. After the parts are clamped, the welding robot starts the welding operation.

Claims

1. A push rod chamber cover plate welding fixture, comprising a fixture bottom plate, two fixing brackets are fixed on the fixture bottom plate, a support pad is fixed on the upper end surface of the fixing bracket, and a positioning pin device is connected to the fixing bracket, characterized in that: A pneumatic flipping plate mechanism is provided on the side of the fixed bracket; A linear guide is fixed on the fixture base plate, a slide is supported on the linear guide, a pipe bending positioning device and a pipe bending pneumatic flipping plate mechanism are installed on the slide; a manual connecting rod mechanism is arranged on the fixture base plate, the manual connecting rod mechanism is connected to the slide, and the slide is operated to move along the linear guide; a slide working position limit block is fixed on the fixture base plate.

2. The push rod chamber cover plate welding fixture according to claim 1, characterized in that: The bent pipe positioning device comprises a mounting bracket, which is fixed on the slide, a positioning shaft mounting bracket is fixed on the mounting bracket, and a positioning shaft is fixed on the positioning shaft mounting bracket.

3. A push rod chamber cover plate welding fixture according to claim 1 or 2, characterized in that: The pneumatic flipping pressure plate mechanism for bent pipes includes a first cylinder, a first pressure plate, and a first transition mounting bracket. The first transition mounting bracket is connected to a fixed bracket. A first connecting block is fixed to the lower part of the rear section of the first pressure plate. The front end of the first connecting block is hinged to the upper end of the first transition mounting bracket. The first cylinder is connected to the lower end of the first transition mounting bracket. A first articulated seat is fixed on the piston rod of the first cylinder. The rear end of the first connecting block is hinged to the first articulated seat.

4. The push rod chamber cover plate welding fixture according to claim 3, characterized in that: The manual connecting rod mechanism includes a fixed base, a flip seat, an intermediate connecting rod, and a connecting seat. The fixed base is fixed on the bottom plate of the fixture, one end of the flip seat is hinged on the fixed base, the other end of the flip seat is hinged to one end of the intermediate connecting rod, the connecting seat is fixed on the side of the slide, and the other end of the intermediate connecting rod is hinged on the connecting seat; a handle is connected to the flip seat.

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