CN105291274A - Cold heading forming technology of ceramic screw and mold structure for stretching inner plum screw - Google Patents
Cold heading forming technology of ceramic screw and mold structure for stretching inner plum screw Download PDFInfo
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- CN105291274A CN105291274A CN201510803792.0A CN201510803792A CN105291274A CN 105291274 A CN105291274 A CN 105291274A CN 201510803792 A CN201510803792 A CN 201510803792A CN 105291274 A CN105291274 A CN 105291274A
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Abstract
The invention relates to a cold heading forming technology of a ceramic screw and a mold structure for stretching an inner plum screw. The cold heading forming technology comprises the steps that S1, a wire is cut; S2, the wire is shaped; S3, turnover shaping is carried out; S4, pre-heading is carried out on the head of the ceramic screw; S5, the head of the ceramic head is formed; and S6, the inner plum screw is stretched. A mold comprises a main mold unit and a punching mold unit. The punching mold unit comprises a punching mold shell, a punching rod and a punching mold cushion block. The main mold unit comprises a main mold shell, an inner main mold body, a main mold cushion block, a main mold spring, a main mold ejector pin, a main mold ejector sleeve and a main mold ejector rod. The main mold ejector rod abuts against the main mold ejector sleeve. A main mold rear ejector rod is arranged at the rear end in the main mold shell and abuts against the main mold ejector rod. A main mold insert is arranged in the inner main mold body. Turning perforating and other machining operation are avoided, it is guaranteed that the inner streamline of the ceramic screw is complete, and product strength is improved; machining procedures are reduced, and materials are saved; and machining efficiency and machining precision are improved, and the product cost is effectively reduced.
Description
Technical field
The present invention relates to the cold-heading molding technology in field of machining and machinebuilding technology, especially relate to a kind of cold-heading molding technique of ceramic screw and the mould structure of the interior plum blossom that stretches.
Background technology
At present, along with the development of communications industry, in order to ensure the smooth and easy of communication, the infrastructure of communication uses and getting more and more of building, and on some communication apparatus, need to use ceramic component, and ceramic component needs to adopt special ceramic screw to install, after the processing technology of current this type of ceramic screw is numerical control turning, carry out again rushing interior plum blossom, then punch, last thread forming, the use of above-mentioned technique causes its interior tissue not moved towards in streamline and intensity is not high, affect the mechanical property of ceramic screw, thus reduce the service life of product, technique is comparatively complicated, production cycle is longer, high cost, do not meet the requirement of Reducing Cost in Enterprises.
Summary of the invention
It is streamlined and production technology simple the cycle short and cold-heading molding technique of the ceramic screw that cost is not high and the mould structure of plum blossom in stretching that technical problem to be solved by this invention is to provide a kind of interior tissue.
The present invention solves the technical scheme that its technical problem takes: a kind of cold-heading molding technique of ceramic screw, and described processing step is:
S1, shearing wire rod;
S2, shaping is carried out to wire rod;
S3, turning shaping;
S4, pre-upsetting ceramic screw head;
S5, forming ceramic screw head;
Plum blossom in S6, stretching.
Concrete further, described wire rod is through work hardening.
The mould structure of plum blossom in stretching in a kind of step S6, comprise main form unit and punch die unit, described punch die unit comprises punch die shell, punching rod is provided with in described punch die shell inside, punch die cushion block is provided with in described punch die shell inside punching rod bottom, described main form unit comprises main formwork, main mould internal mold is provided with in described main formwork interior forward end, main die-cushion block is provided with in the middle part of described main formwork, main mould spring is provided with between described main mould internal mold and main die-cushion block, main mould thimble is provided with in the centre of described main mould internal mold, be fixed on main die-cushion block at described main mould thimble, main mould top cover is provided with outside described main mould thimble, main mould knock-pin is provided with in described main formwork, described main mould knock-pin runs through main die-cushion block, described main mould knock-pin and main mould top cover offset, in described main formwork, rear end is provided with push rod after main mould, after described main mould, push rod and main mould knock-pin offset, main mould insert is provided with in described main mould internal mold inside, described main mould thimble runs through main mould insert, described main mould thimble head is shaping projection.
Concrete further, rush rod in described punch die shell and be provided with punch die cover.
Concrete further, be provided with top cover cushion block between described main mould knock-pin and main mould top cover.
Concrete further, described main formwork is combined by fore shell and back cover, and described fore shell and the junction of back cover form a step, and described main die-cushion block is fixed on step.
The invention has the beneficial effects as follows: after have employed above-mentioned technique and structure, do not use the machine operations such as turning punching, ensure that ceramic screw inner flow-line is complete and improve the intensity of product, reduce manufacturing procedure, stock utilization is high, save material, improve working (machining) efficiency and machining accuracy, effectively reduce the cost of product.
Accompanying drawing explanation
Fig. 1 is process chart of the present invention;
Fig. 2 is the forming die structure schematic diagram in step S2 of the present invention;
Fig. 3 is the forming die structure schematic diagram in step S3 of the present invention;
Fig. 4 is the forming die structure schematic diagram in step S4 of the present invention;
Fig. 5 is the forming die structure schematic diagram in step S5 of the present invention;
Fig. 6 is the forming die structure schematic diagram in step S6 of the present invention.
1,3, punch die unit in figure:; 2,4, main form unit; 11,31, punch die shell; 12,32, punching rod; 13,33, punch die cushion block; 21,41, main formwork; 22,42, main mould internal mold; 23,43, main mould thimble; 24,44, main die-cushion block; 34, main die sleeve; 45, main mould spring; 46, main mould top cover; 47, main mould knock-pin; 48, main mould insert; 49, top cover cushion block; 410, push rod after main mould; 411, fore shell; 412, back cover.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is explained in detail.
A cold-heading molding technique for ceramic screw as shown in Figure 1, described processing step is:
S1, shearing wire rod;
S2, shaping is carried out to wire rod;
S3, turning shaping;
S4, pre-upsetting ceramic screw head;
S5, forming ceramic screw head;
Plum blossom in S6, stretching.
Described wire rod is through work hardening.
As shown in Figure 6 in a kind of step S6 ceramic screw stretch in the mould structure of plum blossom, comprise main form unit 4 and punch die unit 3, described punch die unit 3 comprises punch die shell 31, punching rod 32 is provided with in described punch die shell 31 inside, punch die cushion block 33 is provided with bottom described punch die shell 31 inside punching rod 32, 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, main die-cushion block 44 is provided with in the middle part of described main formwork 41, main mould spring 45 is provided with between described main mould internal mold 42 and main die-cushion block 44, main mould thimble 43 is provided with in the centre of described main mould internal mold 42, be fixed on main die-cushion block 44 at described main mould thimble 43, main mould top cover 46 is provided with outside described main mould thimble 43, main mould knock-pin 47 is provided with in described main formwork 41, described main mould knock-pin 47 runs through main die-cushion block 44, described main mould knock-pin 47 offsets with main mould top cover 46, in described main formwork 41, rear end is provided with push rod 410 after main mould, after described main mould, push rod 410 and main mould knock-pin 47 offset, main mould insert 48 is provided with in described main mould internal mold 42 inside, described main mould thimble 43 runs through main mould insert 48, described main mould thimble 43 head is shaping projection, in described punch die shell 31, punching rod 32 is provided with punch die cover 34, top cover cushion block 49 is provided with between described main mould knock-pin 47 and main mould top cover 46, described main formwork 41 is combined by fore shell 411 and back cover 412, and described fore shell 411 and the junction of back cover 412 form a step, and described main die-cushion block 44 is fixed on step.
As shown in Fig. 2 ~ Fig. 5, each station is divided into punch die unit 1 and main form unit 2, punch die unit 1 is made up of punch die shell 11, punching rod 12 and punch die cushion block 13, 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, and the part in the mould in Fig. 2 is picked up by clip, overturn the mould that 180 ° are put into Fig. 3.
As shown in Fig. 2 ~ Fig. 5 punch die unit 1 in the course of the work mass motion and punching rod 12 push part and enter in master cast chamber, main form unit 2 part is fixed on the machine, and main mould thimble 23 move with main mould knock-pin, plays the effect of release part.
Punch die unit 3 mass motion and punching rod 32 pushes in the forming cavity that part enters in main mould insert 48 in the course of the work as shown in Figure 6, main mould thimble 43 head plays shaping object, after main mould, push rod 410 promotes main mould knock-pin 47, and main mould knock-pin 47 promotes main mould top cover 46 and plays the effect releasing part.
It is emphasized that: be only preferred embodiment of the present invention above, not any pro forma restriction is done to the present invention, every above embodiment is done according to technical spirit of the present invention any simple modification, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.
Claims (6)
1. a cold-heading molding technique for ceramic screw, is characterized in that, described processing step is:
S1, shearing wire rod;
S2, shaping is carried out to wire rod;
S3, turning shaping;
S4, pre-upsetting ceramic screw head;
S5, forming ceramic screw head;
Plum blossom in S6, stretching.
2. the cold-heading molding technique of ceramic screw according to claim 1, is characterized in that, described wire rod is through work hardening.
3. in a claim 1 step S6 stretch in the mould structure of plum blossom, comprise main form unit (4) and punch die unit (3), described punch die unit (3) comprises punch die shell (31), punching rod (32) is provided with in described punch die shell (31) inside, punch die cushion block (33) is provided with in described punch die shell (31) inside punching rod (32) bottom, 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, main die-cushion block (44) is provided with at described main formwork (41) middle part, it is characterized in that, main mould spring (45) is provided with between described main mould internal mold (42) and main die-cushion block (44), main mould thimble (43) is provided with in the centre of described main mould internal mold (42), be fixed on main die-cushion block (44) described main mould thimble (43), described main mould thimble (43) outside is provided with main mould top cover (46), main mould knock-pin (47) is provided with in described main formwork (41), described main mould knock-pin (47) runs through main die-cushion block (44), described main mould knock-pin (47) and main mould top cover (46) offset, described main formwork (41) interior rear end is provided with push rod (410) after main mould, after described main mould, push rod (410) and main mould knock-pin (47) offset, main mould insert (48) is provided with in described main mould internal mold (42) inside, described main mould thimble (43) runs through main mould insert (48), described main mould thimble (43) head is shaping projection.
4. the mould structure of plum blossom in stretching according to claim 3, is characterized in that, in described punch die shell (31), punching rod (32) is provided with punch die cover (34).
5. the mould structure of plum blossom in stretching according to claim 3, is characterized in that, be provided with top cover cushion block (49) between described main mould knock-pin (47) and main mould top cover (46).
6. the mould structure of plum blossom in stretching according to claim 3, it is characterized in that, described main formwork (41) is combined by fore shell (411) and back cover (412), described fore shell (411) and the junction of back cover (412) form a step, and described main die-cushion block (44) is fixed on step.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510803792.0A CN105291274B (en) | 2015-11-20 | 2015-11-20 | The mould structure of plum blossom in a kind of cold-heading molding technique of ceramic screw and stretching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510803792.0A CN105291274B (en) | 2015-11-20 | 2015-11-20 | The mould structure of plum blossom in a kind of cold-heading molding technique of ceramic screw and stretching |
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| CN105291274A true CN105291274A (en) | 2016-02-03 |
| CN105291274B CN105291274B (en) | 2017-08-11 |
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| CN201510803792.0A Active CN105291274B (en) | 2015-11-20 | 2015-11-20 | The mould structure of plum blossom in a kind of cold-heading molding technique of ceramic screw and stretching |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2350424C1 (en) * | 2007-10-16 | 2009-03-27 | Открытое акционерное общество "Белебеевский завод "Автонормаль" | Production method of headed bolt allowing internal polyhedron and flange, on cold-upsetting automation |
| CN102601589A (en) * | 2012-03-29 | 2012-07-25 | 苏州新凌电炉有限公司 | Process for manufacturing quincuncial dowel screws |
| CN103192022A (en) * | 2012-01-10 | 2013-07-10 | 上海申光高强度螺栓有限公司 | Cold heading manufacturing method for tor-shear type bolt |
| CN203356506U (en) * | 2013-05-17 | 2013-12-25 | 上海东风汽车专用件有限公司 | Hexagon ultra-thick nut cold heading device |
| CN104209702A (en) * | 2014-08-15 | 2014-12-17 | 宾科汽车紧固件（昆山）有限公司 | Cold-heading device for irregular nut and production technique of cold-heading device |
| CN104801652A (en) * | 2015-04-09 | 2015-07-29 | 鹏驰五金制品（昆山）有限公司 | Cold-upsetting processing technique for inside hexagonal bolt |
| CN205130141U (en) * | 2015-11-20 | 2016-04-06 | 苏州工业园区新凯精密五金有限公司 | Mould structure of plum blossom in pottery screw is tensile |
-
2015
- 2015-11-20 CN CN201510803792.0A patent/CN105291274B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2350424C1 (en) * | 2007-10-16 | 2009-03-27 | Открытое акционерное общество "Белебеевский завод "Автонормаль" | Production method of headed bolt allowing internal polyhedron and flange, on cold-upsetting automation |
| CN103192022A (en) * | 2012-01-10 | 2013-07-10 | 上海申光高强度螺栓有限公司 | Cold heading manufacturing method for tor-shear type bolt |
| CN102601589A (en) * | 2012-03-29 | 2012-07-25 | 苏州新凌电炉有限公司 | Process for manufacturing quincuncial dowel screws |
| CN203356506U (en) * | 2013-05-17 | 2013-12-25 | 上海东风汽车专用件有限公司 | Hexagon ultra-thick nut cold heading device |
| CN104209702A (en) * | 2014-08-15 | 2014-12-17 | 宾科汽车紧固件（昆山）有限公司 | Cold-heading device for irregular nut and production technique of cold-heading device |
| CN104801652A (en) * | 2015-04-09 | 2015-07-29 | 鹏驰五金制品（昆山）有限公司 | Cold-upsetting processing technique for inside hexagonal bolt |
| CN205130141U (en) * | 2015-11-20 | 2016-04-06 | 苏州工业园区新凯精密五金有限公司 | Mould structure of plum blossom in pottery screw is tensile |
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|---|---|
| CN105291274B (en) | 2017-08-11 |
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Address after: No. 36, Jiasheng Road, Shengpu Town, Suzhou Industrial Park, Jiangsu 215126 Patentee after: Suzhou Xinkai fastening system Co.,Ltd. Address before: No. 36, Jiasheng Road, Shengpu Town, Suzhou Industrial Park, Jiangsu 215126 Patentee before: SUZHOU INDUSTRIAL PARK XINKAI PRECISION FASTENER Co.,Ltd. |