CN103846376B - The shaped device of the spherical type head of hand-held tool - Google Patents
The shaped device of the spherical type head of hand-held tool Download PDFInfo
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- CN103846376B CN103846376B CN201210514743.1A CN201210514743A CN103846376B CN 103846376 B CN103846376 B CN 103846376B CN 201210514743 A CN201210514743 A CN 201210514743A CN 103846376 B CN103846376 B CN 103846376B
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Abstract
A shaped device for the spherical type head of hand-held tool, this shaped device comprises one and extends mould, and a swaging mould.By the spherical type head of said apparatus institute forging molding hand-held tool, effectively can reduce equipment and cost of material, reduce process time, can also bulk strength be promoted.
Description
Technical field
The present invention relates to a kind of shaped device, particularly relate to a kind of shaped device of spherical type head of hand-held tool.
Background technology
It is shaping mostly the existing hand-held tool with ball-type driving end 1 is to utilize cutting way as shown in Figure 1, first be the wherein one side cutting this ball-type driving end 1 with cutting tool 100 in one end of blank 101, precision rotation positioner (not shown) is coordinated to drive this blank 101 to rotate according to set angle again, make this cutting tool 100 sequentially cut other five faces of this ball-type driving end 1, and make this hand-held tool.
Although utilize cutting way can mold this ball-type driving end 1, its own shortcomings is still had to have to be overcome:
1. cost is higher: because the precision rotation positioner needing use cost higher drives this blank 101 to rotate according to set angle, be beneficial to cutting tool 100 and sequentially cut this ball-type driving end 1, therefore equipment cost is higher.Moreover the waste material produced in working angles, also makes cost of material higher.
2. process time is longer: due to needs, repeatedly Reciprocated cutting is to mold this ball-type driving end 1, and therefore, process time is longer.
3. intensity is poor: because cutting can destroy the continuity of this blank 101, causes the made hand-held tool bulk strength with ball-type driving end 1 to reduce.
Relevant dealer, for overcoming the above-mentioned simple shortcoming molding ball-type driving end 1 with cutting way, then develop as TaiWan, China announces No. I247648 " manufacture method of ball-type driving end " patent of invention, its mainly overcome be in: utilize cutting forming to coordinate rolling and forming mode to make ball-type driving end.Although equipment cost so can be reduced and reduce process time, owing to still needing to cut, therefore, still cannot overcome intensity not good, and cost of material that waste cut materials causes crosses the problems such as high.
Summary of the invention
The object of the present invention is to provide one can reduce equipment and cost of material, reduce process time, the forming method of the hand-held tool spherical type head of bulk strength can also be promoted.
The forming method of the spherical type head of hand-held tool of the present invention, comprise the following step: (A) prepares a column blank of preseting length, this blank has a contrary first end and second end, (B) this blank being placed in an elongation die for molding is a pre-forging, this pre-forging comprises a first paragraph extended towards this second extreme direction by this first end, a second segment extended towards this first end direction by this second end, and one in pushing and drawing shape ground connect this second segment and this first paragraph push away the section of pulling out, the external diameter of this first paragraph is less than the external diameter of this second segment, and this external diameter pushing away the section of pulling out is towards this first paragraph convergent by this second segment, (C) this pre-forging be placed in a swaging mould and extrude this first paragraph with a pressure ram along this pre-forging length direction, make this first paragraph form one to be connected with and to push away the connecting portion of the section of pulling out in this, and one is connected with and pushes away the ball-type head of the one end of the section of pulling out in this connecting portion away from this.
The forming method of the spherical type head of hand-held tool of the present invention, also comprise one and be connected in the step (D) after step (C), this step (D) utilizes a bending mold to bend this second segment, make this second segment form one to be connected with and to push away the bar portion of the section of pulling out and the kink that is outwards bent away from one end that this pushes away the section of pulling out by this bar portion in this.
The forming method of the spherical type head of hand-held tool of the present invention, also comprise a step (E) between step (A) and step (B), this step (E) is that this blank is placed in a chamfer mould, and forms chamfering in this first end and this second end.
The forming method of the spherical type head of hand-held tool of the present invention, also comprise a step (F) between step (B) and step (C), this step (F) is that this pre-forging is placed in a print die, and on this second segment, form setting picture and text.
Another object of the present invention is to provide one can reduce equipment and cost of material, reduce process time, the shaped device of the spherical type head of the hand-held tool of bulk strength can also be promoted.
The shaped device of the spherical type head of hand-held tool of the present invention, comprises: one is extended mould, and a swaging mould.
This elongation mould comprises an elongation master mold, and one can the elongation male model that moves back and forth of this elongation master mold relatively, this elongation master mold has an elongated hole for this column blank accommodating, this elongated hole have a court away from this elongation male model direction extend with the holding part of this column blank accommodating, one to be connected with this holding part and the contracting bundle portion that extends away from this holding part direction convergent of court, and one to be connected with this contracting bundle portion and towards the elongated portion extended away from this holding part direction, the aperture of this holding part is greater than the aperture of this elongated portion.
This swaging mould comprises one and the spaced swaging master mold of this elongation master mold, and one can the swaging male model that moves back and forth of this swaging master mold relatively, this swaging master mold has a locating hole, this swaging male model has the first swaging module and a second swaging module that match, and a pressure ram being placed through this first swaging module and this second swaging intermodule controllably, this the first swaging module and this second swaging module match and define a molding space relative with this locating hole, this locating hole has the location division identical with the aperture of the holding part of this elongation mould, an aperture, and one to be connected with this location division and to push away towards what extend away from this direction, location division convergent the portion of pulling out, this molding space has one and pushes away the neck in the portion of pulling out towards this, and one is communicated with this neck and general in spherical head, the aperture of this head is greater than the aperture of this neck.
The shaped device of the spherical type head of hand-held tool of the present invention, also comprise one and the spaced bending mold of this swaging mould, this bending mold comprise one with should bending master mold spaced with this swaging master mold, and one can the bending male model that moves back and forth of this bending master mold relatively.
The shaped device of the spherical type head of hand-held tool of the present invention, also comprise one and the spaced chamfer mould of this elongation mould, this chamfer mould comprises one and the spaced chamfering master mold of this elongation master mold, and one can the chamfering male model that moves back and forth of this chamfering master mold relatively, this chamfering master mold has a chamfered bore for this column blank accommodating, this chamfered bore have one for this column blank accommodating and opening towards the opening portion in this chamfering male model direction, and one is formed at first chamfered section of this opening portion away from the side in this chamfering male model direction.
The shaped device of the spherical type head of hand-held tool of the present invention, also comprise a print die between this swaging mould and this elongation mould, this print die comprises a printing master mold, and one can relatively move back and forth and be formed with the printing male model of setting picture and text by this printing master mold, this printing master mold has a print hole, this print hole has a guidance part identical with the contracting bundle portion of this elongation mould, and one be communicated with this guidance part and aperture identical with the aperture of this elongated portion be installed in portion, this printing male model has first print module and second print module that are oppositely arranged and are formed with setting picture and text.
The shaped device of the spherical type head of hand-held tool of the present invention, this chamfering male model of the shaped device of the spherical type head of this hand-held tool is formed with an axis hole relative with this chamfered bore, this axis hole has the external diameter axle hole identical with this opening portion, and one is formed at second chamfered section of this axle hole away from the side of this opening portion.
The shaped device of the spherical type head of hand-held tool of the present invention, the elongation male model of the elongation mould of the shaped device of the spherical type head of this hand-held tool is positioned at above this elongation master mold, and the swaging male model of this swaging mould is positioned at below this swaging master mold.
Beneficial effect of the present invention is: make this blank go out the spherical type head of hand-held tool through this elongation mould and this swaging mould molding according to above-mentioned steps, processing procedure is cut without the need to passing through, effective reduction equipment and cost of material, reduce process time, and overallly continuous wholely therefore can also promote bulk strength.
Accompanying drawing explanation
Fig. 1 is a schematic diagram, and the forming method of existing ball-type driving end is described.
Fig. 2 is a schematic diagram, and the first preferred embodiment of the shaped device of the spherical type head of hand-held tool of the present invention is described.
Fig. 3 is an enlarged diagram, and the aspect of chamfer mould in this first preferred embodiment is described.
Fig. 4 is an enlarged diagram, and the aspect of extending mould in this first preferred embodiment is described.
Fig. 5 is an enlarged diagram, and the aspect of print die in this first preferred embodiment is described.
Fig. 6 is an enlarged diagram, and the aspect of swaging mould in this first preferred embodiment is described.
Fig. 7 is a flow chart, and the first preferred embodiment of the forming method of the spherical type head of hand-held tool of the present invention is described.
Fig. 8 is a schematic diagram, aid illustration Fig. 7.
Fig. 9 is a schematic diagram, and the second preferred embodiment of the shaped device of the spherical type head of hand-held tool of the present invention is described.
Figure 10 is an enlarged diagram, and the aspect of chamfer mould in this second preferred embodiment is described.
Figure 11 is a flow chart, and the second preferred embodiment of the forming method of the spherical type head of hand-held tool of the present invention is described.
Figure 12 is a schematic diagram, aid illustration Figure 11.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is described in detail.Before the present invention is described in detail, it should be noted that in the following description content, similar assembly represents with identical numbering.
Consult Fig. 2, first preferred embodiment of the shaped device 2 of the spherical type head of hand-held tool of the present invention is for processing a column blank, comprise a chamfer mould 21, one and this chamfer mould 21 spaced elongation mould 22, one and the spaced print die 23 of this elongation mould 22, and one and the spaced swaging mould 24 of this print die 23.In this preferred embodiment, this chamfer mould 21, elongation mould 22, print die 23 are be installed on a forging machine with swaging mould 24.
Consult Fig. 3, this chamfer mould 21 comprises a chamfering master mold 211, and one can the chamfering male model 215 that moves back and forth of this chamfering master mold 211 relatively.It is hexagonal chamfered bore 212 that this chamfering master mold 211 has a section, and this chamfered bore 212 has the opening portion 213 of an opening towards this chamfering male model 215 direction, and one is formed at first chamfered section 214 of this opening portion 213 away from this chamfering male model 215 side.
Consult Fig. 4, and look back Fig. 2 in the lump, this elongation mould 22 comprises one and the spaced elongation master mold 221 of this chamfering master mold 211, and one to be positioned at above this elongation master mold 221 and can the elongation male model 226 that moves back and forth of this elongation master mold 221 relatively, it is hexagonal elongated hole 222 that this elongation master mold 221 has a section.
This elongated hole 222 has the holding part 223, extended away from this elongation male model 226 direction one day and to be connected with this holding part 223 and towards the contracting bundle portion 224 extended away from this holding part 223 direction convergent, and one to be connected with this contracting bundle portion 224 and towards the elongated portion 225 extended away from this holding part 223 direction, the aperture of this holding part 223 is greater than the aperture of this elongated portion 225.
Consult Fig. 4,5, this print die 23 comprises a printing master mold 231, and one can relatively move back and forth and be formed with the printing male model 235 of setting picture and text 238 by this printing master mold 231, this printing master mold 231 has a print hole 232, this print hole 232 has a guidance part 233 identical with the contracting bundle portion 224 of this elongation mould 22, and one is communicated with this guidance part 233 and the be installed in portion 234 identical with the aperture of this elongated portion 225, aperture.This printing male model 235 has one first print module 236 and one second print module 237 being oppositely arranged and being formed with setting picture and text 238.
Consult Fig. 6, and look back Fig. 2 in the lump, this swaging mould 24 comprise one with the spaced swaging master mold 241 of this printing master mold 231, and one to be positioned at below this swaging master mold 241 and can the swaging male model 245 that moves back and forth of this swaging master mold 241 relatively.This swaging master mold 241 has a locating hole 242, this swaging male model 245 has one first swaging module 246 and the one second swaging module 247 matched, and one is placed through pressure ram 248 between this first swaging module 246 and this second swaging module 247 controllably.
This locating hole 242 has the location division 243 identical with the aperture of the holding part 223 of this elongation mould 22, an aperture, and one to be connected with this location division 243 and to push away the portion of pulling out 244 towards what extend away from this direction, location division 243 convergent.This first swaging module 246 matches with this second swaging module 247 and defines a molding space 25 relative with this locating hole 242, and this molding space 25 has one pushes away the neck 251 in the portion of pulling out 244 towards this, and one is communicated with this neck 251 and general in spherical head 252, the aperture of this head 252 is greater than the aperture of this neck 251.
Consult Fig. 7,8, and look back Fig. 3 in the lump, first preferred embodiment of the forming method of the spherical type head of hand-held tool of the present invention, utilize the first preferred embodiment of the shaped device 2 of the spherical type head of above-mentioned hand-held tool to be carried out, so described in the present embodiment and apparatus structure, be exactly the preferred embodiment of the shaped device 2 of the spherical type head of above-mentioned hand-held tool, so do not repeated at this.
First, shown in step 31, utilize cutting apparatus to prepare a column blank 41 of preseting length, this blank 41 has contrary first end 411 and one second end 412.In this preferred embodiment, this blank 41 is hexagonal cylinders of long 27mm.
Next, as shown at step 32, this blank 41 is placed in the opening portion 213 of the chamfered bore 212 of this chamfering master mold 211, coordinates this chamfering male model 215 and form a chamfering 413 matched with this first chamfered section 214 in this first end 411 and this second end 412.In this preferred embodiment, first the first end 411 of this blank 41 is inserted in this opening portion 213 towards this first chamfered section 214, and form chamfering 413 in this first end 411, and then the second end 412 of this blank 41 is inserted in this opening portion 213 towards this first chamfered section 214, and form chamfering 413 in this second end 412.
Consult Fig. 7,8, and look back Fig. 4 in the lump, then, as shown in step 33, the first end 411 forming the blank 41 of chamfering 413 is placed in the holding part 223 of the elongated hole 222 of this elongation master mold 221 towards this elongation master mold 221 direction, coordinates this elongation male model 226 to forge this blank 41 and make this blank 41 be shaped to a pre-forging 42.
This pre-forging 42 comprises the second segment 422 that a first paragraph 421, conformed to this elongated portion 225 conforms to this holding part 223, and one to conform to this contracting bundle portion 224 and be connected this second segment 422 and this first paragraph 421 in pushing and drawing shape push away the section of pulling out 423.In this preferred embodiment, this first paragraph 421 is 12mm with this total length pushing away the section of pulling out 423, and the length of this second segment 422 is 20mm, and the external diameter of this first paragraph 421 is less than the external diameter of this second segment 422.
Consult Fig. 7, 8, and look back Fig. 5 in the lump, then, as indicated at step 34, the first paragraph 421 of this pre-forging 42 is placed in the print hole 232 of this printing master mold 231 towards this printing master mold 231 direction, utilize the guidance part 233 of this print hole 232 and be installed in portion 234 and this pre-forging 42 push away the section of pulling out 423 and first paragraph 421 matches, so that this pre-forging 42 is positioned in this print hole 232, coordinate this first print module 236 and this this second segment 422 of the second print module 237 clipping of being formed at setting picture and text 238, and on this second segment 422, form corresponding setting picture and text 238, then, this first print module 236 can be separated from each other with this second print module 237, to eject this pre-forging 42 in the print hole 232 of this printing master mold 231.
Consult Fig. 7, 8, and look back Fig. 6 in the lump, finally, as shown at step 35, again this pre-forging 42 is placed in the locating hole 242 of this swaging master mold 241, and make the first paragraph 421 of this pre-forging 42 protrude this locating hole 242 towards this swaging male model 245 direction, utilize the location division 243 of this locating hole 242 and push away the portion of pulling out 244 to locate the second segment 422 of this pre-forging 42 and to push away the section of pulling out 423, coordinate this pressure ram 248 to extrude this first paragraph 421 and make this first paragraph 421 contraction in length, and form one and be connected with and push away the connecting portion 424 of the section of pulling out 423 in this, and one is connected with and pushes away the ball-type head 425 of one end of the section of pulling out 423 in this connecting portion 424 away from this.In this preferred embodiment, this pushes away the section of pulling out 423 with length of this connecting portion 424 and this ball-type head 425 is 10mm, and this second segment 422, to push away the section of pulling out 423 with the total length of this connecting portion 424 and this ball-type head 425 be 30mm.
This blank 41 is made to coordinate this chamfer mould 21 according to above-mentioned steps, extend mould 22, print die 23, and this swaging mould 24, utilize this blank 41 length variations to replace and cut processing procedure, not only effectively can reduce equipment and cost of material, reduce process time, can also bulk strength be promoted.
Consult Fig. 9, 10, second preferred embodiment of the shaped device 2 of the spherical type head of hand-held tool of the present invention is roughly identical with this first preferred embodiment, not identical place is: this shaped device 2 also comprises one and the spaced bending mold 26 of this swaging mould 24, and this chamfering male model 215 of this chamfer mould 21 is formed with that one is relative with this chamfered bore 212 and section is hexagonal axis hole 216, this axis hole 216 has the axle hole identical with this opening portion 213, an aperture 217, and one is formed at second chamfered section 218 of this axle hole 217 away from the side of this opening portion 213.And this bending mold 26 comprise one with the spaced bending master mold 261 of this swaging mould 24, and one can the bending male model 262 that moves back and forth of this bending master mold 261 relatively.
Consult Figure 11,12, and look back Fig. 9 in the lump, second preferred embodiment of the forming method of the spherical type head of hand-held tool of the present invention, utilize the second preferred embodiment of the shaped device 2 of the spherical type head of above-mentioned hand-held tool to be carried out, so described in the present embodiment and apparatus structure, be exactly the second preferred embodiment of the shaped device of the spherical type head of above-mentioned hand-held tool, so do not repeated at this.
Second preferred embodiment of the forming method of the spherical type head of hand-held tool of the present invention is roughly similar to this first preferred embodiment, different places is: also comprise one and be connected in the step 36 after step 35, utilize this bending mold 26 to bend the second segment 422 of this pre-forging 42.
Due to the forming method of the spherical type head of hand-held tool of the present invention and the second preferred embodiment of shaped device 2, roughly similar to the first preferred embodiment of shaped device 2 to the forming method of the spherical type head of this hand-held tool, therefore, except can reaching effect identical with this first preferred embodiment, utilize this second chamfered section 218 of this chamfering male model 215, can forge and once just can form chamfering 413 at the first end 411 of this blank 41 and the second end 412 simultaneously, and more effectively shorten process time.
Moreover, can also by step 36 with the bending master mold 261 of this bending mold 26 and bending male model 262, bend the second segment 422 of this pre-forging 42, this second segment 422 can be made to form one be connected with and push away the bar portion 426 of the section of pulling out 423 in this, and the kink 427 that is outwards bent away from one end that this pushes away the section of pulling out 423 by this bar portion 426, integrate by this step 36 and this bending mold 26 and forge and bending processing procedure, make overall applicability higher.
In sum, the forming method of the spherical type head of hand-held tool of the present invention and device thereof, this blank 41 is made to coordinate this chamfer mould 21 according to above-mentioned steps, extend mould 22, print die 23, and this swaging mould 24, to forge this ball-type head 425, not only effectively can reduce equipment and cost of material, reduce process time, can also bulk strength be promoted.
Claims (6)
1. the shaped device of the spherical type head of a hand-held tool, for processing a column blank, this shaped device comprises: one is extended mould, and a swaging mould, this elongation mould comprises an elongation master mold, and one can the elongation male model that moves back and forth of this elongation master mold relatively, this elongation master mold has an elongated hole for this column blank accommodating, this elongated hole has a court and extends with the holding part of this column blank accommodating away from this elongation male model direction, one to be connected with this holding part and towards the contracting bundle portion extended away from this holding part direction convergent, and one to be connected with this contracting bundle portion and towards the elongated portion extended away from this holding part direction, the aperture of this holding part is greater than the aperture of this elongated portion, it is characterized in that:
This swaging mould comprises one and the spaced swaging master mold of this elongation master mold, and one can the swaging male model that moves back and forth of this swaging master mold relatively, this swaging master mold has a locating hole, this swaging male model has the first swaging module and a second swaging module that match, and a pressure ram being placed through this first swaging module and this second swaging intermodule controllably, this the first swaging module and this second swaging module match and define a molding space relative with this locating hole, this locating hole has the location division identical with the aperture of the holding part of this elongation mould, an aperture, and one to be connected with this location division and to push away towards what extend away from this direction, location division convergent the portion of pulling out, this molding space has one and pushes away the neck in the portion of pulling out towards this, and one is communicated with this neck and in spherical head, the aperture of this head is greater than the aperture of this neck.
2. the shaped device of the spherical type head of hand-held tool according to claim 1, it is characterized in that: the shaped device of the spherical type head of this hand-held tool also comprises one and the spaced bending mold of this swaging mould, this bending mold comprise one with the spaced bending master mold of this swaging master mold, and one can the bending male model that moves back and forth of this bending master mold relatively.
3. the shaped device of the spherical type head of hand-held tool according to claim 1, it is characterized in that: the shaped device of the spherical type head of this hand-held tool also comprises one and the spaced chamfer mould of this elongation mould, this chamfer mould comprises one and the spaced chamfering master mold of this elongation master mold, and one can the chamfering male model that moves back and forth of this chamfering master mold relatively, this chamfering master mold has a chamfered bore for this column blank accommodating, this chamfered bore have one for this column blank accommodating and opening towards the opening portion in this chamfering male model direction, and one is formed at first chamfered section of this opening portion away from the side in this chamfering male model direction.
4. the shaped device of the spherical type head of hand-held tool according to claim 1, it is characterized in that: the shaped device of the spherical type head of this hand-held tool also comprises a print die between this swaging mould and this elongation mould, this print die comprises a printing master mold, and one can relatively move back and forth and be formed with the printing male model of setting picture and text by this printing master mold, this printing master mold has a print hole, this print hole has a guidance part identical with the contracting bundle portion of this elongation mould, and one be communicated with this guidance part and aperture identical with the aperture of this elongated portion be installed in portion, this printing male model has first print module and second print module that are oppositely arranged and are formed with setting picture and text.
5. the shaped device of the spherical type head of hand-held tool according to claim 3, it is characterized in that: the chamfering male model of the shaped device of the spherical type head of this hand-held tool is formed with an axis hole relative with the chamfered bore of this chamfering master mold, this axis hole has the axle hole identical with the aperture of the opening portion of this chamfered bore, an aperture, and one is formed at second chamfered section of this axle hole away from the side of this opening portion.
6. the shaped device of the spherical type head of hand-held tool according to claim 1, it is characterized in that: the elongation male model of this elongation mould of the shaped device of the spherical type head of this hand-held tool is positioned at above this elongation master mold, and the swaging male model of this swaging mould is positioned at below this swaging master mold.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210514743.1A CN103846376B (en) | 2012-12-04 | 2012-12-04 | The shaped device of the spherical type head of hand-held tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210514743.1A CN103846376B (en) | 2012-12-04 | 2012-12-04 | The shaped device of the spherical type head of hand-held tool |
Publications (2)
| Publication Number | Publication Date |
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| CN103846376A CN103846376A (en) | 2014-06-11 |
| CN103846376B true CN103846376B (en) | 2016-02-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210514743.1A Expired - Fee Related CN103846376B (en) | 2012-12-04 | 2012-12-04 | The shaped device of the spherical type head of hand-held tool |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107377839B (en) * | 2016-05-16 | 2019-08-09 | 赖传荣 | The forming method of long sleeve |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2281229Y (en) * | 1997-03-27 | 1998-05-13 | 赖传荣 | Improved mould for hole punching and polishing |
| CN2524865Y (en) * | 2001-11-30 | 2002-12-11 | 赖传荣 | Screw driver forged mold group structure with screw head |
| CN201871662U (en) * | 2010-10-12 | 2011-06-22 | 大连大显精密轴有限公司 | Cold upsetting die of car windscreen wiper ball head |
| CN102501021A (en) * | 2011-11-10 | 2012-06-20 | 深圳航空标准件有限公司 | Machining method for screws of dovetail grooves and cold-upsetting die of machining method |
| CN202411312U (en) * | 2011-12-13 | 2012-09-05 | 深圳航空标准件有限公司 | Cold upsetting mold of connecting ball |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003062636A (en) * | 2001-08-23 | 2003-03-05 | Kawasaki Seikoki:Kk | Manufacturing method of forged product with helical part |
| US8122748B2 (en) * | 2008-03-26 | 2012-02-28 | National Machinery Llc | Hose fitting |
-
2012
- 2012-12-04 CN CN201210514743.1A patent/CN103846376B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2281229Y (en) * | 1997-03-27 | 1998-05-13 | 赖传荣 | Improved mould for hole punching and polishing |
| CN2524865Y (en) * | 2001-11-30 | 2002-12-11 | 赖传荣 | Screw driver forged mold group structure with screw head |
| CN201871662U (en) * | 2010-10-12 | 2011-06-22 | 大连大显精密轴有限公司 | Cold upsetting die of car windscreen wiper ball head |
| CN102501021A (en) * | 2011-11-10 | 2012-06-20 | 深圳航空标准件有限公司 | Machining method for screws of dovetail grooves and cold-upsetting die of machining method |
| CN202411312U (en) * | 2011-12-13 | 2012-09-05 | 深圳航空标准件有限公司 | Cold upsetting mold of connecting ball |
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| Publication number | Publication date |
|---|---|
| CN103846376A (en) | 2014-06-11 |
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