CN205200426U - Mould structure of driving cog intense beam intermediate tooth shape - Google Patents

Mould structure of driving cog intense beam intermediate tooth shape Download PDF

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Publication number
CN205200426U
CN205200426U CN201520897861.4U CN201520897861U CN205200426U CN 205200426 U CN205200426 U CN 205200426U CN 201520897861 U CN201520897861 U CN 201520897861U CN 205200426 U CN205200426 U CN 205200426U
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China
Prior art keywords
main
mould
fundamental mode
main mould
punch die
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CN201520897861.4U
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Chinese (zh)
Inventor
田小娟
曾建华
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SUZHOU INDUSTRIAL PARK XINKAI PRECISION FASTENER Co Ltd
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SUZHOU INDUSTRIAL PARK XINKAI PRECISION FASTENER Co Ltd
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Abstract

The utility model relates to a mould structure of driving cog intense beam intermediate tooth shape, including fundamental mode unit and die unit, the die unit includes the die shell, at the inside die thimble that is equipped with of die shell, the fundamental mode unit includes the fundamental mode shell, be equipped with the fundamental mode centre form at the inside front end of fundamental mode shell, cushion in fundamental mode shell rear end is equipped with the fundamental mode, the cushion center is equipped with fundamental mode thimble and fundamental mode ejector pin in the fundamental mode, the fundamental mode thimble offsets with the fundamental mode ejector pin, it inserts to be equipped with the fundamental mode on the fundamental mode centre form, for becoming the die cavity in the fundamental mode is inserted, be equipped with the die ejector sleeve around the die thimble, the cross section of die ejector sleeve is hollow square, be equipped with the locked groove on the fundamental mode shell, be equipped with the screw hole and the screw that are used for fixed fundamental mode centre form on the fundamental mode shell. The material can refine the inside crystalline grain of product and have complete metal streamline through cold -heading extrusion deformation, makes the intensity and the plasticity of product better, and mechanical properties improves, reduces manufacturing procedure, and save material improves machining efficiency, effectual reduction in production cost.

Description

The mould structure of profile of tooth in the middle of driving cog intense beam
Technical field
The utility model relates to the cold-heading molding in field of machining and machinebuilding technology, especially relates to the mould structure of profile of tooth in the middle of a kind of driving cog intense beam.
Background technology
At present, the driving cog of car door is auto-producing critical piece, the quality of production of driving cog also affects the security of whole automobilism, the production of driving cog needs multiple working procedure to process usually, after normally being forged by mould, the mode of milling is adopted to carry out machine-shaping profile of tooth and square again, unnecessary waste material is removed by the process of milling, reach requirement, its interior tissue of the driving cog of such processing does not move towards in streamline and intensity is not high, affect the mechanical property of driving cog, thus reduce service life and the scope of product, and the waste material needing milling machine operation to mill away is more and production efficiency is low, cause waste, thus considerably increase the production cost of product, do not meet the requirement of Reducing Cost in Enterprises.
Summary of the invention
Technical problem to be solved in the utility model is to provide the mould structure of profile of tooth in the middle of a kind of driving cog intense beam, and it can ensure that driving cog interior tissue is streamlined, improves intensity and mechanical property, increases the service life, improve the quality of products, and saves material.
The technical scheme in the invention for solving the technical problem is: the mould structure of profile of tooth in the middle of a kind of driving cog intense beam, comprise main form unit and punch die unit, described punch die unit comprises punch die shell, punch die thimble is provided with in described punch die shell inside, described main form unit comprises main formwork, main mould internal mold is provided with in described main formwork interior forward end, cushion block in main mould is provided with in described main formwork rear end, in described main mould, cushion block center is provided with main mould thimble and main mould push rod, described main mould thimble and main mould push rod offset, described main mould internal mold is provided with main mould insert, be forming cavity in described main mould insert, punch die ejector sleeve is provided with around described punch die thimble, the cross section of described punch die ejector sleeve is the square of hollow, described main formwork is provided with locked groove, described locked groove is three, described main formwork is provided with the screwed hole for fixing main mould internal mold and screw.
Concrete further, in described main mould, cushion block to comprise in main mould first cushion block in cushion block and main mould second, in described main mould first, cushion block center is provided with cushion block centre hole in the main mould first that passes for main mould thimble, and in described main mould second, cushion block center is provided with the main mould jogger hole passed for main mould push rod.
Concrete further, be provided with punch die cushion block bottom described punch die thimble.
Concrete further, described main mould thimble and punch die thimble include bar portion and head.
Concrete further, described main formwork rear portion is provided with cushion block after main mould.
The beneficial effects of the utility model are: after adopting above-mentioned mould structure, material can refinement interiors of products crystal grain have complete metal streamline by cold-heading crimp, make the intensity of product and plasticity better, mechanical property improves, no longer adopt the processing method of milling, reduce manufacturing procedure, save material, improve working (machining) efficiency, effectively reduce production cost.
Accompanying drawing illustrates:
Fig. 1 is technological forming schematic diagram of the present utility model;
Fig. 2 is the mould structure schematic diagram of the utility model step S2;
Fig. 3 is the mould structure schematic diagram of the utility model step S3;
Fig. 4 is the mould structure schematic diagram of the utility model step S4;
Fig. 5 is the mould structure schematic diagram of the utility model step S5;
Fig. 6 is the mould structure schematic diagram of the utility model step S6;
Fig. 7 is the mould structure schematic diagram of the utility model step S7.
1,3, punch die unit in figure:; 2,4, main form unit; 11,31, punch die shell; 12,32, punch die thimble; 13, punch die insert; 33, punch die ejector sleeve; 21,41, main formwork; 22,42, main mould internal mold; 23,43, main mould thimble; 24,44, main die-cushion block; 34, punch die cushion block; 45, cushion block in main mould; 46, main mould push rod; 47, main mould first insert; 48, main mould second insert; 49, main mould the 3rd insert; 421, main mould first internal mold; 422, main mould second internal mold; 423, main mould the 3rd internal mold; 451, cushion block in main mould first; 452, cushion block in main mould second.
Detailed description of the invention:
Below in conjunction with accompanying drawing, the utility model is explained in detail.
A cold-heading molding technique for driving cog as shown in Figure 1, the step of described cold-heading molding technique is:
S1, cut wire rod;
S2, upper bundle bar;
S3, lower bundle bar;
S4, cold-heading intermediate step;
S5, both ends shorten square into and first time jumping-up intermediate step;
S6, two ends square shaping be second time jumping-up intermediate step also;
Profile of tooth in the middle of S7, strong contracting.
Described wire rod is through work hardening.
The mould structure of the middle profile of tooth of a kind of step S7 intense beam as shown in Figure 7, comprise main form unit 4 and punch die unit 3, described punch die list 3 yuan comprises punch die shell 31, punch die thimble 32 is provided with in described punch die shell 31 inside, described main form unit 4 comprises main formwork 41, main mould internal mold 42 is provided with in described main formwork 41 interior forward end, cushion block 45 in main mould is provided with in described main formwork 41 rear end, in described main mould, cushion block 45 center is provided with main mould thimble 43 and main mould push rod 46, described main mould thimble 43 offsets with main mould push rod 46, described main mould internal mold 42 is provided with main mould insert 47, be forming cavity in described main mould insert 47, punch die ejector sleeve 33 is provided with around described punch die thimble 32, the cross section of described punch die ejector sleeve 33 is the square of hollow, described main formwork 41 is provided with locked groove 48, described locked groove 48 is three, described main formwork 41 is provided with the screwed hole 49 for fixing main mould internal mold 42 and screw, in described main mould, cushion block 45 to comprise in main mould first cushion block 452 in cushion block 451 and main mould second, in described main mould first, cushion block 451 center is provided with cushion block centre hole in the main mould first that passes for main mould thimble 43, and in described main mould second, cushion block 452 center is provided with the main mould jogger hole passed for main mould push rod 46, punch die cushion block is provided with bottom described punch die thimble 32, described main mould thimble 42 and punch die thimble 32 include bar portion and head, described main formwork 41 rear portion is provided with cushion block 44 after main mould.
Each station is divided into punch die unit 1 and main form unit 2 as shown in Figure 2 to 7, punch die unit 1 is made up of punch die shell 11, punch die insert 13 and punch die thimble 12, and main form unit 2 is made up of parts such as main formwork 21, main mould internal mold 22, main mould thimble 23 and main die-cushion blocks 24.Wherein cross mould to be completed by clip, all moulds are all arranged on cold headers.
The punch die unit of upper bundle bar mass motion and punch die thimble pushes part enters in main mold forming chamber in the course of the work as shown in Figure 2; Main form unit is fixed on the machine, and main mould thimble and main mould push rod, in motion, play the effect releasing part; The punch die unit mass motion in the course of the work of lower bundle bar as shown in Figure 3, punch die thimble, punch die cushion block and the relative motion of punch die shell, play the effect ejecting part in die stamp chamber; Main form unit is fixed on the machine, and main mould thimble and main mould push rod, in motion, play the effect releasing part; The punch die unit mass motion in the course of the work of cold-heading intermediate step as shown in Figure 4, punch die thimble, punch die cushion block and the relative motion of punch die shell, the effect ejecting part is played in die stamp chamber, main form unit is fixed on the machine, main mould thimble and main mould push rod, in motion, play the effect releasing part; As shown in Figure 5 both ends shorten square into and first time jumping-up intermediate step the mass motion and punch die thimble pushes part enters in master cast chamber in the course of the work of punch die unit, wherein punch die thimble topping material is shaping in a mold, and main form unit effect is consistent with Fig. 4; Fig. 6 and Fig. 7 motion process is consistent with above-mentioned; The blank that punch die unit utilizes punch die thimble as shown in Figure 7, Fig. 6 processes by punch die ejector sleeve pushes main form unit intense beam gear, punch die ejector sleeve is the square coupling of square and step S5 blank, position-limiting action can be played, ensure square not for rotating, screwed hole and screw association is adopted to ensure that main mould internal mold does not rotate, ensure that shaping profile of tooth can not change, main formwork is fixed by three locked grooves on board, can rotate fine setting fixed position.
It is emphasized that: be only preferred embodiment of the present utility model above, not any pro forma restriction is done to the utility model, every above embodiment is done according to technical spirit of the present utility model any simple modification, equivalent variations and modification, all still belong in the scope of technical solutions of the utility model.

Claims (5)

1. the mould structure of the middle profile of tooth of driving cog intense beam, comprise main form unit (4) and punch die unit (3), described punch die unit (3) comprises punch die shell (31), punch die thimble (32) is provided with in described punch die shell (31) inside, described main form unit (4) comprises main formwork (41), main mould internal mold (42) is provided with in described main formwork (41) interior forward end, cushion block (45) in main mould is provided with in described main formwork (41) rear end, in described main mould, cushion block (45) center is provided with main mould thimble (43) and main mould push rod (46), described main mould thimble (43) and main mould push rod (46) offset, it is characterized in that, described main mould internal mold (42) is provided with main mould insert (47), be forming cavity in described main mould insert (47), described punch die thimble (32) is provided with punch die ejector sleeve (33) around, the cross section of described punch die ejector sleeve (33) is the square of hollow, described main formwork (41) is provided with locked groove (48), described locked groove (48) is three, described main formwork (41) is provided with the screwed hole (49) for fixing main mould internal mold (42) and screw.
2. the mould structure of the middle profile of tooth of driving cog intense beam according to claim 1, it is characterized in that, in described main mould, cushion block (45) to comprise in main mould first cushion block (452) in cushion block (451) and main mould second, in described main mould first, cushion block (451) center is provided with cushion block centre hole in the main mould first that passes for main mould thimble (43), and in described main mould second, cushion block (452) center is provided with the main mould jogger hole passed for main mould push rod (46).
3. the mould structure of the middle profile of tooth of driving cog intense beam according to claim 1, is characterized in that, described punch die thimble (32) bottom is provided with punch die cushion block.
4. the mould structure of the middle profile of tooth of driving cog intense beam according to claim 1, it is characterized in that, described main mould thimble (43) and punch die thimble (32) include bar portion and head.
5. the mould structure of profile of tooth in the middle of driving cog intense beam according to claim 1, is characterized in that, described main formwork (41) rear portion is provided with cushion block (44) after main mould.
CN201520897861.4U 2015-11-12 2015-11-12 Mould structure of driving cog intense beam intermediate tooth shape Active CN205200426U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
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Publications (1)

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CN205200426U true CN205200426U (en) 2016-05-04

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105251923A (en) * 2015-11-12 2016-01-20 苏州工业园区新凯精密五金有限公司 Cold heading forming process for transmission gear and heavy extruding die structure for forming middle teeth
CN110961562A (en) * 2019-11-19 2020-04-07 中国航发沈阳黎明航空发动机有限责任公司 Mould for blade blank making

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105251923A (en) * 2015-11-12 2016-01-20 苏州工业园区新凯精密五金有限公司 Cold heading forming process for transmission gear and heavy extruding die structure for forming middle teeth
CN110961562A (en) * 2019-11-19 2020-04-07 中国航发沈阳黎明航空发动机有限责任公司 Mould for blade blank making

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