Tool for assembling flow guide air duct workpiece

Abstract

A tool for assembling a flow guide air duct workpiece comprises a base, a first positioning groove, a second positioning groove and a third positioning groove are formed in the upper surface of the base in the circumferential direction at intervals, the second positioning groove is distributed on the periphery of the circumference where the first positioning groove is located, and the third positioning groove is distributed on the periphery of the circumference where the second positioning groove is located. At least four first clamping mechanisms and four positioning clamping mechanisms are arranged on the periphery of the circumference where the third positioning groove is located in a staggered mode at intervals, each positioning clamping mechanism comprises a first positioning seat, a second positioning seat and a second clamping mechanism, a fourth positioning groove is formed in the first positioning seat, and a fifth positioning groove is formed in the second positioning seat. The flow guide air duct workpiece is assembled through the tool, the assembly size between the round flange and the square flange of the flow guide air duct workpiece can be ensured, the coaxiality of the round flange and the conical flow guide cone is ensured, and the production efficiency is greatly improved while the product quality of the flow guide air duct workpiece is ensured.

Description

Technical Field

[0001] The utility model relates to the field of machinery, in particular to a flow guide air duct of an internal combustion engine, and in particular to a tool for assembling a workpiece of the flow guide air duct. Background Art

[0002] The air guide duct is a workpiece used for guiding air in the internal combustion engine. Its structure is complex and irregular. The lower part is a circular flange and the upper part is a square flange. There are two inner and outer round and square structural parts, eight rib plates and a conical guide cone between the circular flange and the square flange. The coaxiality requirement between the circular flange and the conical guide cone is relatively high (0.5mm). The prior art lacks tooling for assembling the air guide duct, and it is difficult to ensure its dimensional accuracy after assembly. Summary of the invention

[0003] The utility model aims to provide a tool for assembling a guide air duct workpiece, and the tool for assembling a guide air duct workpiece is to solve the technical problem in the prior art that it is difficult to ensure the dimensional accuracy of the guide air duct after assembly.

[0004] The utility model discloses a tool for assembling an air guide duct workpiece, comprising a base, wherein at least two first positioning grooves are arranged at intervals along the circumferential direction on the upper surface of the base, at least two second positioning grooves are arranged at intervals along the circumferential direction, and at least two third positioning grooves are arranged at intervals along the circumferential direction, the second positioning grooves are distributed on the outer circumference of the circle where the first positioning grooves are located, the third positioning grooves are distributed on the outer circumference of the circle where the second positioning grooves are located, at least four first clamping mechanisms and four positioning clamping mechanisms are arranged alternately on the outer circumference of the circle where the third positioning grooves are located, the four positioning clamping mechanisms are arranged in a matrix, and the four positioning clamping mechanisms each include a first positioning seat, a second positioning seat and a second clamping mechanism, the first positioning seat is provided with a fourth positioning groove, the second positioning seat is provided with a fifth positioning groove, the extension direction of the first positioning groove is perpendicular to the extension direction of the second positioning groove, and the second clamping mechanism is located above the fourth positioning groove.

[0005] Furthermore, the first clamping mechanism includes two first clamping devices and two second clamping devices which are arranged alternately at intervals.

[0006] Compared with the prior art, the utility model has a positive and obvious effect. The guide air duct workpiece is assembled by the tooling of the utility model, which can ensure the assembly size between the round flange and the square flange of the guide air duct workpiece, ensure the coaxiality of the round flange and the conical guide cone, and greatly improve the production efficiency while ensuring the product quality of the guide air duct workpiece. BRIEF DESCRIPTION OF THE DRAWINGS

[0007] Figure 1 The utility model is a schematic diagram of a tool for assembling a guide air duct workpiece.

[0008] Figure 2 The utility model is a schematic diagram of the use state of a tool for assembling a guide air duct workpiece.

[0009] Figure 3 Schematic diagram of the air guide duct workpiece.

[0010] Figure 4 The utility model is a schematic diagram of a base in a tooling for assembling a guide air duct workpiece.

[0011] Figure 5 It is a schematic diagram of a first clamping device in a tooling for assembling a guide air duct workpiece according to the utility model.

[0012] Figure 6 It is a schematic diagram of a second clamping device in a tooling for assembling a guide air duct workpiece according to the utility model.

[0013] Figure 7 The utility model is a schematic diagram of a positioning and clamping mechanism in a tooling for assembling a guide air duct workpiece. DETAILED DESCRIPTION

[0014] The present invention is further described below in conjunction with an embodiment, but the present invention is not limited to the embodiment. Any similar structure and similar changes of the present invention should be included in the protection scope of the present invention. The use of directions such as up, down, front, back, left, and right in the present invention is only for the convenience of clear description and is not a limitation on the technical solution of the present invention.

[0015] like Figure 1-Figure 7 As shown, the utility model is a tool for assembling an air guide duct workpiece, comprising a base 1, wherein at least two first positioning grooves 2 are arranged at intervals along the circumferential direction on the upper surface of the base 1, at least two second positioning grooves 3 are arranged at intervals along the circumferential direction, and at least two third positioning grooves 4 are arranged at intervals along the circumferential direction, the second positioning grooves 3 are distributed on the outer circumference of the circle where the first positioning grooves 2 are located, the third positioning grooves 4 are distributed on the outer circumference of the circle where the second positioning grooves 3 are located, at least four first clamping mechanisms 5 and four positioning clamping mechanisms 6 are arranged alternately on the outer circumference of the circle where the third positioning grooves 4 are located, the four positioning clamping mechanisms 6 are arranged in a matrix, and the four positioning clamping mechanisms 6 each include a first positioning seat 7, a second positioning seat 8 and a second clamping mechanism 9, the first positioning seat 7 is provided with a fourth positioning groove 10, the second positioning seat 8 is provided with a fifth positioning groove 11, the extension direction of the first positioning groove 2 is perpendicular to the extension direction of the second positioning groove 3, and the second clamping mechanism 9 is located above the fourth positioning groove 10.

[0016] Furthermore, the first clamping mechanism 5 includes two first clamping devices 18 and two second clamping devices 19 which are arranged alternately at intervals.

[0017] Specifically, the first clamping mechanism 5, the second clamping mechanism 9, the first clamping device 18, the second clamping device 19, etc. in this embodiment all adopt well-known solutions in the prior art, such as a clamping mechanism composed of a nut and a screw, etc., which are well understood by those skilled in the art and will not be repeated here.

[0018] The base 1 is welded with 10# channel steel to form a base frame to ensure that the tooling has sufficient rigidity to support the product. The upper part is welded with a bottom plate, which is laser cut from a 5mm steel plate.

[0019] The second clamping mechanism 9 in the positioning clamping mechanism 6 is composed of a laser-cut 5mm steel plate, a clamping screw and a pin. When in use, the clamping part of the clamping mechanism can be flipped 90° by inserting and pulling out the pin, which facilitates demoulding of the product after assembly welding.

[0020] The first clamping mechanism 5 includes two clamping devices, namely the first clamping device 18 and the second clamping device 19. The same parts of them are composed of 5mm steel plate cut by laser, a clamping screw and a pin. When in use, the clamping part of the clamping mechanism can be turned 90° by inserting and pulling out the pin, which is convenient for demoulding after product assembly welding. Different parts: The first clamping device 18 is composed of a transition pressure plate made of 16mm steel plate cut by laser. When in use, the transition pressure plate is used to press the product, while the second clamping device 19 does not need to use the compression screw to directly press the product.

[0021] like Figure 2 As shown, the air guide duct workpiece to be assembled includes a circular flange 12 , an outer circular square structure 13 , a square flange 14 , an inner circular square structure 15 , a conical guide cone 16 , and a connecting rib plate 17 .

[0022] Assembly process of air guide duct workpiece:

[0023] In the first step, the circular flange 12 is placed on the base 1, the outer circumference of the circular flange 12 is aligned with the third positioning groove 4 on the base 1, and the circular flange 12 is clamped and fixed to the base 1 by the first clamping mechanism 5. The outer zenithal and terrestrial structural member 13 is placed on the base 1, the outer side of the bottom circular opening is closely attached to the inner side of the circular flange 12 and is spot welded to the circular flange 12.

[0024] In the second step, place the method flange 14 on the positioning clamping mechanism 6 so that its outer side is close to the fourth positioning groove 10 and the fifth positioning groove 11, clamp the method flange 14 with the first positioning seat 7 and the second positioning seat 8 through the second clamping mechanism 9, and then spot weld it to the outer circumference structure 13.

[0025] In the third step, the inner circular square structure 15 is placed on the base 1, so that the inner side surface of the bottom of the inner circular square structure 15 is aligned with the second positioning groove 3 on the base 1, and then the conical guide cone 16 is placed on the base 1, so that the outer side surface of the bottom circle of the conical guide cone 16 is aligned with the first positioning groove 2 on the base 1, and finally eight connecting ribs 17 are respectively placed between the inner circular square structure 15 and the outer circular square structure 13, and between the inner circular square structure 15 and the conical guide cone 16 and fixed by spot welding to complete the assembly of the guide duct workpiece.

[0026] The air guide duct workpiece is assembled by the tooling of the utility model, which can ensure the assembly size between the round flange 12 and the square flange 14 of the air guide duct workpiece, ensure the coaxiality of the round flange 12 and the conical guide cone 16, and greatly improve the production efficiency while ensuring the product quality of the air guide duct workpiece.

Claims

1. A tool for assembling a guide air duct workpiece, characterized in that: It includes a base, and at least two first positioning grooves are arranged at intervals along the circumferential direction on the upper surface of the base, at least two second positioning grooves are arranged at intervals along the circumferential direction, and at least two third positioning grooves are arranged at intervals along the circumferential direction, the second positioning grooves are distributed on the outer circumference of the circle where the first positioning grooves are located, the third positioning grooves are distributed on the outer circumference of the circle where the second positioning grooves are located, and at least four first clamping mechanisms and four positioning clamping mechanisms are arranged alternately on the outer circumference of the circle where the third positioning grooves are located, the four positioning clamping mechanisms are arranged in a matrix, and the four positioning clamping mechanisms each include a first positioning seat, a second positioning seat and a second clamping mechanism, the first positioning seat is provided with a fourth positioning groove, the second positioning seat is provided with a fifth positioning groove, the extension direction of the first positioning groove is perpendicular to the extension direction of the second positioning groove, and the second clamping mechanism is located above the fourth positioning groove.

2. The tooling for assembling a guide air duct workpiece according to claim 1, characterized in that: The first clamping mechanism comprises two first clamping devices and two second clamping devices which are arranged alternately at intervals.

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