Forming die for processing steering wheel rotating shaft

Abstract

The utility model relates to the field of forming dies, and discloses a forming die for processing a steering wheel rotating shaft, which comprises a lower die, the top of the outer wall of the lower die is fixedly connected with a leakage-proof plate, the inner wall of the lower die is fixedly connected with a hydraulic machine, the output end of the hydraulic machine is fixedly connected with an upper die, and the top of the outer wall of the upper die is provided with a grouting port. A supporting rod penetrates through the inner wall of the upper mold and is slidably connected with the inner wall of the upper mold, and a clamping block is fixedly connected to the bottom of the outer wall of the supporting rod. According to the utility model, through the arrangement of the supporting rod, the clamping block, the rotating rod, the fixed block, the fixed groove and the limiting assembly, after the rotating shaft is cast, molded and cooled, the limiting rod is manually pulled to release limiting, then the limiting plate is rotated to release limiting, and then the upper mold is lifted through the hydraulic machine to drive the rotating shaft to be separated from the lower mold; the supporting rod and the rotating rod can be manually pressed or knocked, so that the rotating shaft is separated from the upper mold, and manual rapid demolding is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of forming die, especially a kind of forming die for steering wheel rotating shaft processing. BACKGROUND

[0002] Steering wheel rotating shaft as the key component of automobile steering wheel, its processing quality and precision are directly related to the overall performance and safety of steering wheel, in the processing of steering wheel rotating shaft, forming die plays a vital role.

[0003] The forming die for steering wheel rotating shaft processing of prior art usually adopts split die, and the rotating shaft is formed by one-time injection molding, and then the die is quenched by cooling system.

[0004] The forming die for steering wheel rotating shaft processing of prior art is prone to adhere to the die due to hot metal, so manual knocking and prying are needed to the rotating shaft by external tools, which can cause damage to the die, and the die cannot be demoulded manually and quickly, so a kind of forming die for steering wheel rotating shaft processing is proposed to solve the above problems. SUMMARY

[0005] In order to make up for the above shortcomings, the utility model provides a kind of forming die for steering wheel rotating shaft processing, to improve the problem of not being able to demould manually and quickly in prior art.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme: a kind of forming die for steering wheel rotating shaft processing, including lower die, the outer wall top of lower die is fixedly connected with leakage-proof plate, the inner wall of lower die is fixedly connected with hydraulic press, the output end of hydraulic press is fixedly connected with upper die, the outer wall top of upper die is provided with injection port, the inner wall of upper die is penetrated and is slidably connected with support rod, the outer wall bottom of support rod is fixedly connected with clamping block, the outer wall of clamping block is slidably connected with inner die, and the outer wall top of upper die is provided with limiting assembly.

[0007] As a further description of the above technical scheme:

[0008] The inner wall of upper die is penetrated and slidably connected with rotating rod, the outer wall bottom of rotating rod is fixedly connected with fixed block, the outer wall end of inner die is provided with fixed slot, the inner wall of upper die is slidably connected with baffle, and the inner wall of upper die is provided with clamping groove.

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

[0010] The limiting assembly comprises a limiting base, the outer wall bottom of the limiting base is fixedly connected to the outer wall top of the upper mold, the outer wall top of the limiting base is rotationally connected to a limiting plate, the outer wall top of the limiting plate is elastically connected to a limiting rod through a limiting spring, the outer wall top of the limiting base is provided with a limiting hole, and the outer wall upper end of the supporting rod and the rotating rod is provided with a limiting slot.

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

[0012] The outer wall of the leakage prevention plate is slidably connected to the inner wall of the bottom of the upper mold, the outer wall bottom of the upper mold is in contact with the outer wall top of the lower mold, and the outer wall bottom of the supporting rod is slidably connected to the inner wall of the top of the lower mold.

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

[0014] The outer wall bottom of the rotating rod is slidably connected to the inner wall of the top of the lower mold, and the outer wall of the fixed block is clamped to the inner wall of the fixed slot.

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

[0016] The outer wall bottom end of the rotating rod is in contact with the outer wall end of the inner mold, the outer wall of the baffle is slidably connected to the outer wall of the rotating rod, and the outer wall right side of the baffle is clamped to the inner wall of the clamping slot.

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

[0018] One end of the limiting spring is fixedly connected to the outer wall top of the limiting plate, and the other end of the limiting spring is fixedly connected to the outer wall top lower surface of the limiting rod.

[0019] As a further description of the above technical solution:

[0020] The outer wall of the limiting plate is clamped to the inner wall of the limiting slot, the outer wall bottom of the limiting plate is slidably connected to the outer wall top of the supporting rod, the outer wall bottom of the limiting plate is slidably connected to the outer wall top of the rotating rod, the outer wall of the limiting rod penetrates and is slidably connected to the inner wall of the limiting plate, and the outer wall bottom end of the limiting rod is clamped to the inner wall of the limiting hole.

[0021] The utility model has the advantages of the following:

[0022] 1、In the utility model, through setting up supporting rod, clamping block, rotating rod, fixed block, fixed slot, limiting assembly, after the cooling of the rotation shaft cast forming, the limiting is removed through manual drawing limiting rod, the limiting is removed again through rotating limiting plate, then the rotation shaft is separated from the lower mold through lifting the upper mold of the hydraulic machine, if the rotation shaft still adheres to the upper mold, the rotation shaft is separated from the upper mold through manual pressing or knocking supporting rod and rotating rod, and manual rapid demolding is realized.

[0023] 2、The utility model discloses a quick dismounting inner mould is realized through the setting up of the clamping block, inner mould, rotary rod, fixed block, fixed groove, baffle, limiting component, when needing to replace the inner mould, through the manual drawing of the limiting rod and the removal of the limiting, the rotation limiting plate is rotated to remove the limiting, makes the support rod and the rotary rod fall, then manually slides the baffle inwards and removes the limiting, and then manually slides the inner mould along the clamping block and removes the limiting. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is a upper mould and lower mould three -dimensional schematic view of the moulding die of steering wheel rotating shaft processing that the utility model proposes;

[0025] Figure 2 It is an inner mould three -dimensional schematic view of the moulding die of steering wheel rotating shaft processing that the utility model proposes;

[0026] Figure 3 It is a sectional view three -dimensional schematic view of the upper mould of moulding die of steering wheel rotating shaft processing that the utility model proposes;

[0027] Figure 4 It is a sectional view three -dimensional schematic view of the limiting plate of moulding die of steering wheel rotating shaft processing that the utility model proposes;

[0028] Figure 5 It is an inner mould sectional view three -dimensional schematic view of the moulding die of steering wheel rotating shaft processing that the utility model proposes;

[0029] Figure 6 It is a limiting plate of moulding die of steering wheel rotating shaft processing that the utility model proposes; Figure 4 Middle A part enlarged three -dimensional schematic view.

[0030] Legend:

[0031] 1, lower mould;2, leakage prevention plate;3, hydraulic machine;4, upper mould;5, grouting mouth;6, support rod;7, clamping block;8, inner mould;9, rotary rod;10, fixed block;11, fixed groove;12, baffle;13, clamping groove;14, limiting base;15, limiting plate;16, limiting spring;17, limiting rod;18, limiting hole;19, limiting groove. DETAILED DESCRIPTION

[0032] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0033] Referring to Figure 1 - Figure 3 The utility model provides a kind of embodiment: a steering wheel rotating shaft processing forming die, including lower mould 1, the outer wall top of lower mould 1 is the lower half part of rotating shaft outer wall, for the whole rotating shaft of fitting upper mould 4, lower mould 1 outer wall top is fixedly connected with leakage prevention plate 2, leakage prevention plate 2 is used to form the barrier of joint upper mould 4, avoid casting leakage, lower mould 1 inner wall is fixedly connected with hydraulic press 3, hydraulic press 3 is prior art, do not make too much description, for lifting upper mould 4, hydraulic press 3 output end is fixedly connected with upper mould 4, upper mould 4 outer wall top is equipped with grouting mouth 5, grouting mouth 5 is provided with three groups, middle group or outer side two groups can be grouted, retain a group to ventilate, improve metal liquid fluidity, upper mould 4 inner wall is penetrated and is slidably connected with support rod 6, support rod 6 is used to provide support force for clamping block 7, keep clamping block 7 stable, support rod 6 outer wall bottom is fixedly connected with clamping block 7, clamping block 7 is provided with cross type, for clamping inner mould 8 and keeping it stable, clamping block 7 outer wall is slidably connected with inner mould 8, inner mould 8 is used to cooperate upper mould 4 with lower mould 1 and makes rotating shaft inner wall openwork, and different inner wall shape is set according to the shape of clamping, because rotating shaft internal texture is not uniform, existing processing forming die needs to be repeatedly rotated bolt to disassemble, cannot quickly disassemble and replace different inner mould 8, upper mould 4 outer wall top is provided with limit component, leakage prevention plate 2 outer wall is slidably connected on the bottom inner wall of upper mould 4, the bottom of upper mould 4 outer wall and the outer wall top of lower mould 1 contact, support rod 6 outer wall bottom is slidably connected on the top inner wall of lower mould 1.

[0034] Referring to Figure 3 - Figure 5 Upper mould 4 inner wall is penetrated and is slidably connected with rotating rod 9, rotating rod 9 middle part is hinged, for being positioned by baffle 12, so that rotating rod 9 can be unfolded and drive fixed block 10 to separate from fixed groove 11, rotating rod 9 outer wall bottom end is fixedly connected with fixed block 10, and the bottom of fixed block 10 is provided with inclined plane, for when unfolding rotating rod 9, avoid fixed block 10 right angle and separate from fixed groove 11, inner mould 8 outer wall end is equipped with fixed groove 11, and fixed groove 11 is used to clamp fixed block 10 and fix inner mould 8, to provide support force for it, upper mould 4 inner wall is slidably connected with baffle 12, and baffle 12 is provided with parallelogram block, for clamping card slot 13 and preventing rotating rod 9 from rotating, and upper mould 4 inner wall is equipped with card slot 13, and card slot 13 is provided with the same inclined plane as baffle 12, for avoiding force sliding out of card slot 13, rotating rod 9 outer wall bottom is slidably connected on the top inner wall of lower mould 1, fixed block 10 outer wall is clamped on the inner wall of fixed groove 11, rotating rod 9 outer wall bottom end and the outer wall end of inner mould 8 contact, baffle 12 outer wall is slidably connected on the outer wall of rotating rod 9, and the right side of baffle 12 outer wall is clamped on the inner wall of card slot 13.

[0035] Referring to Figure 4 - Figure 6 , the limiting assembly comprises a limiting base 14 for extending the upper mold 4 and improving the clamping height of the limiting plate 15. The outer wall bottom of the limiting base 14 is fixedly connected to the outer wall top of the upper mold 4, and the outer wall top of the limiting base 14 is rotationally connected to the limiting plate 15. The limiting plate 15 is used for clamping the limiting slot 19 or the support rod 6 and fixing the height of the outer wall top of the rotating rod 9. The outer wall top of the limiting plate 15 is elastically connected to the limiting rod 17 through the limiting spring 16. The limiting rod 17 is used for clamping the limiting hole 18 to fix the angle of the limiting plate 15, so as to avoid self-rotation of the limiting plate 15 under stress. The outer wall top of the limiting base 14 is provided with the limiting hole 18 for clamping the limiting rod 17 to fix the limiting plate 15 and keep the fixed angle. The outer wall upper end of the support rod 6 and the rotating rod 9 is provided with the limiting slot 19 for clamping the limiting plate 15 to keep the fixed height of the support rod 6 and the rotating rod 9, and keep the fixed height of the inner mold 8, so as to avoid the position deviation of the hollow part inside the rotating shaft. One end of the limiting spring 16 is fixedly connected to the outer wall top of the limiting plate 15, and the other end of the limiting spring 16 is fixedly connected to the outer wall top lower surface of the limiting rod 17. Through the opposite extrusion force between the limiting spring 16 and the limiting plate 15, the limiting plate 15 always keeps clamped in the limiting slot 19 or the outer wall top of the support rod 6 and the rotating rod 9 without being affected by external force. The outer wall of the limiting plate 15 is clamped on the inner wall of the limiting slot 19. The outer wall bottom of the limiting plate 15 is slidingly connected to the outer wall top of the support rod 6 and the outer wall top of the rotating rod 9. The outer wall of the limiting rod 17 penetrates and slidingly connects to the inner wall of the limiting plate 15, and the outer wall bottom end of the limiting rod 17 is clamped on the inner wall of the limiting hole 18.

[0036] Working principle: after the rotating shaft is formed and cooled, the limiting rod 17 is manually pulled out of the limiting hole 18 to release the limiting, then the limiting plate 15 is rotated to release the limiting of the limiting slot 19, then the hydraulic machine 3 is opened to lift the upper mold 4 to drive the rotating shaft to separate from the lower mold 1. If the rotating shaft is still attached to the upper mold 4, the support rod 6 and the rotating rod 9 can be manually pressed or knocked to make the rotating shaft separate from the upper mold 4, then the baffle 12 is manually slid to separate from the clamping groove 13 to release the limiting, then the rotating rod 9 is manually unfolded to drive the fixed block 10 to separate from the fixed slot 11 to release the limiting, and then the rotating shaft is manually taken out along the inner mold 8 to realize manual rapid demolding and improve the processing efficiency.

[0037] When the inner mold 8 needs to be replaced, the support rod 6 and the rotating rod 9 are released by manually pulling the limiting rod 17 out of the limiting hole 18, rotating the limiting plate 15 out of the limiting groove 19, manually sliding the baffle 12 out of the clamping groove 13, manually unfolding the rotating rod 9 to drive the fixed block 10 out of the fixed groove 11, and then manually sliding the inner mold 8 out along the clamping block 7, and the above-mentioned installation is performed in the reverse order to install the inner mold 8 of different shapes, so that the inner mold 8 can be quickly disassembled, the operation of repeatedly twisting a plurality of groups of bolts for disassembly and installation is saved, and the machining efficiency is improved.

[0038] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it still can be modified to the technical solutions recorded in the foregoing embodiments, or equivalent replacement of some of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, should be included within the scope of the present application.

Claims

1. A forming die for steering wheel shaft machining, comprising a lower die (1), characterized in that: The outer wall top of the lower mold (1) is fixedly connected with a leakage-proof plate (2), the inner wall of the lower mold (1) is fixedly connected with a hydraulic machine (3), the output end of the hydraulic machine (3) is fixedly connected with an upper mold (4), the outer wall top of the upper mold (4) is provided with a grouting opening (5), the inner wall of the upper mold (4) penetrates and is slidably connected with a supporting rod (6), the outer wall bottom of the supporting rod (6) is fixedly connected with a clamping block (7), the outer wall of the clamping block (7) is slidably connected with an inner mold (8), and the outer wall top of the upper mold (4) is provided with a limiting assembly.

2. The forming die for processing a steering wheel rotating shaft according to claim 1, characterized in that: The inner wall of the upper mold (4) penetrates and is slidably connected with a rotating rod (9), the outer wall bottom of the rotating rod (9) is fixedly connected with a fixed block (10), the outer wall end of the inner mold (8) is provided with a fixed groove (11), the inner wall of the upper mold (4) is slidably connected with a baffle (12), and the inner wall of the upper mold (4) is provided with a clamping groove (13).

3. The molding die for processing a steering wheel rotating shaft according to claim 1, wherein: The limiting assembly comprises a limiting base (14), the outer wall bottom of the limiting base (14) is fixedly connected to the outer wall top of the upper mold (4), the outer wall top of the limiting base (14) is rotatably connected with a limiting plate (15), the outer wall top of the limiting plate (15) is elastically connected with a limiting rod (17) through a limiting spring (16), the outer wall top of the limiting base (14) is provided with a limiting hole (18), and the outer walls of the supporting rod (6) and the rotating rod (9) are both provided with a limiting groove (19).

4. The molding die for processing a steering wheel rotating shaft according to claim 1, wherein: The outer wall of the leakage-proof plate (2) is slidably connected to the bottom inner wall of the upper mold (4), the outer wall bottom of the upper mold (4) is in contact with the outer wall top of the lower mold (1), and the outer wall bottom of the supporting rod (6) is slidably connected to the top inner wall of the lower mold (1).

5. The molding die for processing a steering wheel rotating shaft according to claim 2, wherein: The outer wall bottom of the rotating rod (9) is slidably connected to the top inner wall of the lower mold (1), and the outer wall of the fixed block (10) is clamped to the inner wall of the fixed groove (11).

6. A forming die for processing a steering wheel rotating shaft according to claim 2, characterized in that: The outer wall bottom of the rotating rod (9) is in contact with the outer wall end of the inner mold (8), the outer wall of the baffle (12) is slidably connected to the outer wall of the rotating rod (9), and the outer wall right side of the baffle (12) is clamped to the inner wall of the clamping groove (13).

7. The molding die for processing a steering wheel rotating shaft according to claim 3, wherein: One end of the limiting spring (16) is fixedly connected to the outer wall top of the limiting plate (15), and the other end of the limiting spring (16) is fixedly connected to the outer wall top lower surface of the limiting rod (17).

8. The steering wheel shaft machining forming die according to claim 3, characterized in that: The outer wall of the limiting plate (15) is clamped to the inner wall of the limiting groove (19), the outer wall bottom of the limiting plate (15) is slidably connected to the outer wall top of the supporting rod (6), the outer wall bottom of the limiting plate (15) is slidably connected to the outer wall top of the rotating rod (9), the outer wall of the limiting rod (17) penetrates and is slidably connected to the inner wall of the limiting plate (15), and the outer wall bottom of the limiting rod (17) is clamped to the inner wall of the limiting hole (18).

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