Volute rocker arm assembly welding tool

Abstract

The utility model relates to a volute rocker arm assembly welding tool which comprises a bottom plate and a tool body arranged on the bottom plate, and the tool body comprises a supporting and positioning assembly, a side pressing assembly and a top pressing assembly. According to the welding tool for the volute rocker arm assembly, through cooperation of the supporting and positioning assembly, the side pressing assembly and the top pressing assembly, the special-shaped volute and the special-shaped rocker arm assembly can be accurately positioned and firmly clamped, the special-shaped volute and the special-shaped rocker arm assembly are prevented from moving in the welding process, and therefore the welding precision is improved, and the welding quality is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of volute processing, in particular to a welding tool for a volute rocker arm assembly. Background Art

[0002] The rocker arm assembly needs to be welded to the volute during the processing of the automobile engine volute. In the past, it was positioned and pressed manually. During the welding process, the pressing state of the rocker arm assembly and the volute could not be controlled, so the welding accuracy and uniformity could not be guaranteed; some people also used simple welding tools for welding, but the accuracy was still not guaranteed. Utility Model Content

[0003] In view of the above problems, the utility model proposes a welding tool for a volute rocker arm assembly, which has accurate positioning, firm clamping and can greatly improve welding accuracy.

[0004] The utility model is realized through the following technical solutions:

[0005] A welding tool for a volute rocker arm assembly, comprising a bottom plate and a tool body arranged on the bottom plate, wherein the tool body comprises a supporting and positioning assembly, a side clamping assembly and a top clamping assembly;

[0006] The support and positioning assembly is used to support one side of the volute and position the rocker arm assembly, and includes a vertical plate, a positioning shaft and a positioning reference block. The vertical plate is fixed to the bottom plate, the positioning shaft is fixed to one side of the vertical plate, the positioning shaft can extend into the volute, the positioning reference block is fixed to the top of the vertical plate, and the positioning reference block can position the top of the rocker arm assembly;

[0007] The cam assembly is installed with the support and positioning assembly in correspondence with the support and positioning assembly to press the volute and the rocker arm assembly, including a volute pressing assembly and a rocker arm pressing assembly, the volute pressing assembly includes a slide rail, a slide seat, a slide seat drive and a profiled pressing block, the slide rail is fixed on the base, the slide seat is slidably connected to the slide rail, the slide seat drive is connected to the slide seat, the profiled pressing block is fixed on the slide seat, the slide seat drive can drive the slide seat to move along the slide rail so that the profiled pressing block presses the volute, the rocker arm pressing assembly includes a top shaft, a top shaft drive, a pressure head and a pressure head drive, the top shaft drive is fixed on the slide seat, the top shaft drive is connected to the top shaft, the top shaft drive can drive the top shaft to extend and retract, so that the top shaft extends into the volute to press the bottom end of the rocker arm assembly, the pressure head drive is fixed on the slide seat, the pressure head drive is connected to the pressure head, and the pressure head drive can drive the pressure head to extend and retract, so that the pressure head cooperates with the positioning reference block to press the top end of the rocker arm assembly;

[0008] The top clamping assembly includes a guide rail, a pressure bar, a pressure bar drive and a pressure plate. The guide rail is fixed on the bottom plate, the pressure bar is slidably connected to the guide rail, the pressure bar drive is connected to the pressure bar, and the pressure plate is fixed to one end of the pressure bar and is correspondingly arranged at the top of the rocker arm assembly. The pressure bar drive can drive the pressure bar to rise and fall so that the pressure plate presses the top of the rocker arm assembly.

[0009] In order to further ensure firm clamping, the tooling body also includes a manual clamping assembly, which is arranged opposite to the top clamping assembly and is used to clamp one side of the volute, including a mounting plate, a quick clamp and a top pressure block. The mounting plate is fixed to the base plate, the quick clamp is fixed to the mounting plate, the top pressure block is fixed to the vertical plate and is correspondingly arranged above the quick clamp. The quick clamp can cooperate with the top pressure block to clamp one side of the volute.

[0010] In order to sense whether the rocker arm assembly is clamped in place, the tooling body also includes an infrared sensor for sensing the position of the rocker arm assembly, and the infrared sensor is fixed to the top of the vertical plate.

[0011] In order to sense whether the pressure strip is pressed into place, the tooling body further comprises a photoelectric sensor for sensing the position of the pressure strip, and the photoelectric sensor is fixed on one side of the guide rail.

[0012] In a preferred embodiment of the utility model, the pressure strip drive adopts a servo motor, and the slide drive, pressure head drive and top shaft drive adopt a cylinder.

[0013] The beneficial effect of the utility model is that the volute rocker arm assembly welding tooling can accurately position and firmly clamp the special-shaped volute and rocker arm assembly through the cooperation of the supporting positioning assembly, the side clamping assembly and the top clamping assembly to avoid movement during the welding process, thereby improving the welding accuracy and ensuring the welding quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional structural schematic diagram of the welding tooling of the volute rocker arm assembly of the utility model;

[0015] Figure 2 It is a schematic diagram of the structure of the volute rocker arm assembly of the utility model after the welding tooling is clamped. DETAILED DESCRIPTION

[0016] The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making a clearer and more explicit definition of the protection scope of the present invention. In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "top", "bottom", "side", "end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0017] like Figure 1 A welding tool for a volute rocker arm assembly shown includes a base plate 1 and a tool body arranged on the base plate 1, wherein the tool body includes a supporting and positioning assembly, a side clamping assembly and a top clamping assembly.

[0018] Specifically, the supporting positioning assembly is used to support one side of the volute and position the rocker arm assembly, and includes a vertical plate 2, a positioning shaft 3 and a positioning reference block 21. The vertical plate 2 is vertically fixed on the base plate 1, and the positioning shaft 3 is fixed on one side of the vertical plate 2. The positioning shaft 3 can extend into the volute to support and position one end of the volute. The positioning reference block 21 is fixed to the top of the vertical plate 2. The positioning reference block 21 can position the top of the rocker arm assembly A. An infrared sensor 19 for sensing the position of the rocker arm assembly is fixed on the top of the vertical plate 2.

[0019] Specifically, the side clamping assembly is arranged relative to the support and positioning assembly, and is used to cooperate with the support and positioning assembly to clamp the volute and the rocker arm assembly, including a volute clamping assembly and a rocker arm clamping assembly. The volute clamping assembly includes a slide rail 4, a slide seat 6, a slide seat drive 5 and a profiling block 7. The slide rail 4 is fixed on the base 1, and the slide seat 6 is slidably connected to the slide rail 4. The slide seat drive 5 is connected to the slide seat 6, and the profiling block 7 is fixed on the slide seat 7. The profiling block 7 is arranged relative to the positioning shaft 3, and the slide seat drive 5 can drive the slide seat 7 to move along the slide rail 4 so that the profiling block 7 The pressure block 7 cooperates with the positioning shaft 3 to press the left and right ends of the volute. The rocker arm pressing assembly includes a top shaft 11, a top shaft drive 10, a pressure head 9 and a pressure head drive 8. The top shaft drive 10 is fixed on the slide 6, and the top shaft drive 10 is connected to the top shaft 11. The top shaft drive 10 can drive the top shaft 11 to extend and retract, so that the top shaft 11 extends into the volute to press the bottom end of the rocker arm assembly A. The pressure head drive 8 is fixed on the slide 6, and the pressure head drive 8 is connected to the pressure head 9. The pressure head drive 8 can drive the pressure head 9 to extend and retract, so that the pressure head 9 cooperates with the positioning reference block 21 to press the top of the rocker arm assembly A.

[0020] It should be noted that the above-mentioned slide drive 5, pressure head drive 8 and top shaft drive 10 all adopt cylinders.

[0021] Specifically, the top clamping assembly includes a guide rail 12, a pressure bar 14, a pressure bar drive 13 and a pressure plate 15. The guide rail 12 is vertically fixed on the base plate 1, the pressure bar 14 is slidably connected to the guide rail 12, the pressure bar drive 13 is connected to the pressure bar 14, and the pressure plate 15 is fixed to one end of the pressure bar 14 and is correspondingly arranged at the top of the rocker arm assembly A. A photoelectric sensor 20 for sensing the position of the pressure bar 14 is fixed on one side of the guide rail 12. The pressure bar drive 13 can drive the pressure bar 14 to rise and fall so that the pressure plate 15 presses the top of the rocker arm assembly A.

[0022] It should be noted that, since there is a spring sheet at the top of the rocker arm assembly A, the top of the rocker arm assembly A needs to be slightly lowered during the welding process. Therefore, the pressure strip drive 13 adopts a servo motor to ensure the accuracy of the downward pressing position.

[0023] In addition, since one side of the volute is heavier, in order to prevent the volute from tilting, the utility model also provides a manual clamping assembly on this basis. The manual clamping assembly is arranged opposite to the top clamping assembly and is used to clamp one side of the volute, including a mounting plate 16, a quick clamp 17 and a top pressure block 18. The mounting plate 16 is fixed on the base plate 1, the quick clamp 17 is fixed on the mounting plate 16, and the top pressure block 18 is fixed on the vertical plate 2 and is correspondingly arranged above the quick clamp 17. The quick clamp 17 can cooperate with the top pressure block 18 to clamp one side of the volute.

[0024] When assembling, combine Figure 2 As shown, first, one end of the volute B is plugged into the positioning shaft 3 of the support positioning assembly C, and then the rocker arm assembly A is inserted into the hole at the top of the volute B, and the top of the rocker arm assembly A is against the positioning reference block 21 of the support positioning assembly C. At this time, the bottom end of the rocker arm assembly A is supported by an auxiliary limit rod, and then the quick clamp 17 of the manual clamping assembly H is pulled to cooperate with the top clamp 18 to clamp one end of the volute B. Subsequently, the side clamping assembly D drives the volute clamping assembly E and the rocker arm clamping assembly F to move, and the contoured clamp 7 cooperates with the positioning shaft 3 to clamp the two ends of the volute B, and the top shaft drives the volute B to move. The actuator 10 drives the top shaft 11 to extend, so that the top shaft 11 extends into the volute B to press the bottom end of the rocker arm assembly A, and the pressure head drive 8 drives the pressure head 9 to extend, so that the pressure head 9 cooperates with the positioning reference block 21 to press the top of the rocker arm assembly A. Finally, the pressure strip drive 13 of the top clamping assembly G drives the pressure strip 14 to descend, so that the pressure plate 15 presses the top of the rocker arm assembly A, the infrared sensor 19 senses whether the rocker arm assembly A is clamped in place, and the photoelectric sensor 20 senses whether the pressure strip 14 and the pressure plate 15 are pressed in place, and the laser welding equipment can weld the corresponding positions of the volute B and the rocker arm assembly A.

[0025] The parts not involved in the present invention are the same as the prior art or can be implemented by using the prior art.

[0026] In the description of the embodiments of the present utility model, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "set", "provided with", etc. should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0027] Finally, it should be noted that the above embodiments are only specific implementation methods of the utility model, which are used to illustrate the technical solution of the utility model, rather than to limit it. The protection scope of the utility model is not limited thereto. Although the utility model is described in detail with reference to the above embodiments, ordinary technicians in this field should understand that any technician familiar with the technical field can still modify the technical solution recorded in the above embodiments within the technical scope disclosed by the utility model, or can easily think of changes, or make equivalent replacements for some of the technical features therein; and these modifications, changes or replacements do not make the essence of the corresponding technical solution deviate from the spirit and scope of the technical solution of the embodiment of the utility model, and should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model shall be based on the protection scope of the claims.

Claims

1. A welding tool for a volute rocker arm assembly, comprising a base plate and a tool body arranged on the base plate, characterized in that: The tooling body includes a support positioning assembly, a side clamping assembly and a top clamping assembly; The support and positioning assembly is used to support one side of the volute and position the rocker arm assembly, and includes a vertical plate, a positioning shaft and a positioning reference block. The vertical plate is fixed to the bottom plate, the positioning shaft is fixed to one side of the vertical plate, the positioning shaft can extend into the volute, the positioning reference block is fixed to the top of the vertical plate, and the positioning reference block can position the top of the rocker arm assembly; The cam assembly is installed with the support and positioning assembly in correspondence with the support and positioning assembly to press the volute and the rocker arm assembly, including a volute pressing assembly and a rocker arm pressing assembly, the volute pressing assembly includes a slide rail, a slide seat, a slide seat drive and a profiled pressing block, the slide rail is fixed on the base, the slide seat is slidably connected to the slide rail, the slide seat drive is connected to the slide seat, the profiled pressing block is fixed on the slide seat, the slide seat drive can drive the slide seat to move along the slide rail so that the profiled pressing block presses the volute, the rocker arm pressing assembly includes a top shaft, a top shaft drive, a pressure head and a pressure head drive, the top shaft drive is fixed on the slide seat, the top shaft drive is connected to the top shaft, the top shaft drive can drive the top shaft to extend and retract, so that the top shaft extends into the volute to press the bottom end of the rocker arm assembly, the pressure head drive is fixed on the slide seat, the pressure head drive is connected to the pressure head, and the pressure head drive can drive the pressure head to extend and retract, so that the pressure head cooperates with the positioning reference block to press the top end of the rocker arm assembly; The top clamping assembly includes a guide rail, a pressure bar, a pressure bar drive and a pressure plate. The guide rail is fixed on the bottom plate, the pressure bar is slidably connected to the guide rail, the pressure bar drive is connected to the pressure bar, and the pressure plate is fixed to one end of the pressure bar and is correspondingly arranged at the top of the rocker arm assembly. The pressure bar drive can drive the pressure bar to rise and fall so that the pressure plate presses the top of the rocker arm assembly.

2. The welding tool for the volute rocker arm assembly according to claim 1, characterized in that: The tooling body also includes a manual clamping assembly, which is arranged opposite to the top clamping assembly and is used to clamp one side of the volute, including a mounting plate, a quick clamp and a top clamp. The mounting plate is fixed to the bottom plate, the quick clamp is fixed to the mounting plate, and the top clamp is fixed to the vertical plate and is correspondingly arranged above the quick clamp. The quick clamp can cooperate with the top clamp to clamp one side of the volute.

3. The welding tool for the volute rocker arm assembly according to claim 1 or 2, characterized in that: The tooling body also includes an infrared sensor for sensing the position of the rocker arm assembly, and the infrared sensor is fixed on the top of the vertical plate.

4. The welding tool for the volute rocker arm assembly according to claim 3 is characterized in that: The tooling body also includes a photoelectric sensor for sensing the position of the pressure strip, and the photoelectric sensor is fixed on one side of the guide rail.

5. The welding tool for the volute rocker arm assembly according to claim 4, characterized in that: The pressing strip is driven by a servo motor.

6. The welding tool for the volute rocker arm assembly according to claim 4, characterized in that: The slide seat drive, pressure head drive and top shaft drive adopt cylinders.

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