CN105363976A - Threaded mold realizing firm installation - Google Patents
Threaded mold realizing firm installation Download PDFInfo
- Publication number
- CN105363976A CN105363976A CN201510874178.3A CN201510874178A CN105363976A CN 105363976 A CN105363976 A CN 105363976A CN 201510874178 A CN201510874178 A CN 201510874178A CN 105363976 A CN105363976 A CN 105363976A
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- CN
- China
- Prior art keywords
- tooth
- patrix
- threaded
- upper mold
- threaded mold
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21H—MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS, WHEELS, RINGS, BARRELS, BALLS
- B21H3/00—Making helical bodies or bodies having parts of helical shape
- B21H3/02—Making helical bodies or bodies having parts of helical shape external screw-threads ; Making dies for thread rolling
- B21H3/022—Making helical bodies or bodies having parts of helical shape external screw-threads ; Making dies for thread rolling combined with rolling splines, ribs, grooves or the like, e.g. using compound dies
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses a threaded mold realizing firm installation. The threaded mold comprises an upper mold body and a lower mold body. The upper mold body is provided with a plurality of upper mold teeth, each upper mold tooth is of a trapezoidal shape, and trapezoidal threads are arranged on the outer surface of each upper mold tooth. A plurality of V-shaped grooves are formed in the surface, adjacent to the upper mold body, of the lower mold body and are matched with the upper mold teeth in size. According to the structure, the problems that when thread screwing is too loose, the threads slip but when thread screwing is too tight, screwing-in cannot be realized are avoided, the gaps of threads of work-pieces can be matched easily, the interchangeability of the threads of the work-pieces of different batches is improved, and the accessory loss is lowered.
Description
Technical field
The present invention relates to mechanical field, be specifically related to install firmly threaded mold.
Background technology
Metal-back vacuum flask structure great majority adopt dismountable being threaded.The assembly quality problem that is threaded long-standing problem manufacturing enterprise.Metal-back shell of thermos flask plays the effect of protection glass liner, in order to load glass liner and be convenient to change.The metal-back vacuum flask long-standing problem that is threaded enterprise, is hard nut to crack all the time.The fillet of screw is pressed on body by rolling volume.But metal-back vacuum flask is threaded there is following defect in assembling: threaded engagement is pine i.e. sliding tooth too, and threaded engagement too tightly then can revolve, and the gap difficulty of product screw thread is worked good, and the interchangeability of different batches product screw thread is poor, and accessory loss is higher relative to industry.And present threaded mold all cannot solve the problem.
Summary of the invention
Instant invention overcomes the deficiencies in the prior art, provide and firmly threaded mold is installed, avoid occurring threaded engagement too pine i.e. sliding tooth, threaded engagement too tightly then can revolve, the gap of product screw thread more easily coordinates, and the interchangeability of different batches product screw thread improves, and reduce further accessory loss.
For solving above-mentioned technical problem, the present invention is by the following technical solutions: install firmly threaded mold, comprise mould body and lower mould body, described upper mould body arranges multiple patrix tooth, the shape of each patrix tooth is trapezoidal, and the outer surface of each patrix tooth also arranges trapezoidal thread; Also arrange multiple V-shaped groove on described lower mould body with on upper mould body adjacent surface, the size of V-shaped groove body and the size of patrix tooth match.Installation in this programme firmly threaded mold it be rely on the local elongation of material, the screw thread under adopting the method for roll extrusion to make cylindrical member wall portion shape change localized indentation into.Will reserve gap between patrix tooth and V-shaped groove, so that the material of product can embed in it, the size in gap is chosen according to the thickness of material.The upper film tooth of this installation firmly on threaded mold adopts special trapezoidal thread, patrix tooth is that trapezium structure is to increase the intensity be threaded, the program adopt upper film tooth and V-shaped groove body with the use of, effectively ensure that the gap between film tooth and V-shaped groove body, add the width bottom V-shaped groove body, avoid occurring threaded engagement too pine i.e. sliding tooth, threaded engagement too tightly then can revolve, the gap of product screw thread more easily coordinates, the interchangeability of different batches product screw thread improves, and reduce further accessory loss.
At the angular range of the angle of thread of the up one-tenth of patrix tooth between 15 °-21 °.The setting of this angle avoids the situation of the too loose sliding tooth of threaded engagement to occur.
The thread form height of patrix tooth is 1/2 of spacing between adjacent two patrix teeth.Ensure that the crest that internal and external threads screws the patrix tooth of state has bottom clearance, also there is sideshake in thread form both sides, facilitates the cooperation of product screw thread.
Between adjacent two patrix teeth, the scope of spacing is between 5mm-5.5mm.And the size of drawing gap all has impact to tensile force, parts quality and die life.Excesssive gap, patrix sound of baby talk root broadens; The too small then barrel in gap is easily thinning, and wound is squeezed on surface, even breaks, also can reduce die life.It is then this length range arranged after having considered various factors that the spacing of two adjacent patrix tooth products is arranged on this scope, to improve the mold use life-span.
The top width of described patrix tooth is 1/2 of v-depression bottom width.
Compared with prior art, the invention has the beneficial effects as follows:
1, the upper film tooth of this installation firmly on threaded mold adopts special trapezoidal thread, patrix tooth is that trapezium structure is to increase the intensity be threaded, the program adopt upper film tooth and V-shaped groove body with the use of, effectively ensure that the gap between film tooth and V-shaped groove body, add the width bottom V-shaped groove body, avoid occurring threaded engagement too pine i.e. sliding tooth, threaded engagement too tightly then can revolve, the gap of product screw thread more easily coordinates, the interchangeability of different batches product screw thread improves, and reduce further accessory loss.
2, the thread form height of patrix tooth 4 is 1/2 of spacing between adjacent two patrix teeth 4, and ensure that the crest that internal and external threads screws the patrix tooth of state has bottom clearance, thread form both sides also exist sideshake, facilitate the cooperation of product screw thread.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
In figure, Reference numeral is expressed as: 1, cope match-plate pattern; 2, lower bolster; 3, angle of thread; 4, patrix tooth; 5, V-shaped groove.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is further elaborated, and embodiments of the invention are not limited thereto.
Embodiment 1:
As shown in Figure 1, the present invention includes mould body 1 and lower mould body 2, described upper mould body 1 arranges 3 patrix teeth 4, the shape of each patrix tooth 4 is trapezoidal, and the outer surface of each patrix tooth 4 also arranges trapezoidal thread; Also arrange 3 V-shaped grooves 5 on described lower mould body 2 with on upper mould body 1 adjacent surface, the size of V-shaped groove body 5 and the size of patrix tooth 4 match.
Installation in this programme firmly threaded mold it be rely on the local elongation of material, the screw thread under adopting the method for roll extrusion to make cylindrical member wall portion shape change localized indentation into.Will reserve gap between patrix tooth and V-shaped groove, so that the material of product can embed in it, the size in gap is chosen according to the thickness of material.The upper film tooth of this installation firmly on threaded mold adopts special trapezoidal thread, patrix tooth is that trapezium structure is to increase the intensity be threaded, the program adopt upper film tooth and V-shaped groove body with the use of, effectively ensure that the gap between film tooth and V-shaped groove body, add the width bottom V-shaped groove body, avoid occurring threaded engagement too pine i.e. sliding tooth, threaded engagement too tightly then can revolve, the gap of product screw thread more easily coordinates, the interchangeability of different batches product screw thread improves, and reduce further accessory loss.
Embodiment 2:
The present embodiment is preferably as follows on the basis of embodiment 1: at the angular range of the angle of thread 3 of the up one-tenth of patrix tooth 4 between 15 °-21 °.The setting of this angle avoids the situation of the too loose sliding tooth of threaded engagement to occur.
The thread form height of patrix tooth 4 is 1/2 of spacing between adjacent two patrix teeth 4.Ensure that the crest that internal and external threads screws the patrix tooth of state has bottom clearance, also there is sideshake in thread form both sides, facilitates the cooperation of product screw thread.
Between adjacent two patrix teeth 4, the scope of spacing is between 5mm-5.5mm.And the size of drawing gap all has impact to tensile force, parts quality and die life.Excesssive gap, patrix sound of baby talk root broadens; The too small then barrel in gap is easily thinning, and wound is squeezed on surface, even breaks, also can reduce die life.It is then this length range arranged after having considered various factors that the spacing of two adjacent patrix tooth products is arranged on this scope, to improve the mold use life-span.
The top width of described patrix tooth 4 is 1/2 of v-depression 5 bottom width.Increase the service life of this device.
Just this invention can be realized as mentioned above.
Claims (5)
1. firmly threaded mold is installed, it is characterized in that: comprise mould body (1) and lower mould body (2), described upper mould body (1) arranges multiple patrix tooth (4), and the shape of each patrix tooth (4) is trapezoidal, and the outer surface of each patrix tooth (4) also arranges trapezoidal thread; Described lower mould body (2) above with on upper mould body (1) adjacent surface also arranges multiple V-shaped groove (5), and the size of V-shaped groove body (5) and the size of patrix tooth (4) match.
2. installation according to claim 1 firmly threaded mold, is characterized in that: at the angular range of the angle of thread (3) of patrix tooth (4) up one-tenth between 15 °-21 °.
3. installation according to claim 1 firmly threaded mold, is characterized in that: the thread form height of patrix tooth (4) is 1/2 of spacing between adjacent two patrix teeth (4).
4. the firmly threaded mold of the installation according to claim 1 or 3, is characterized in that: between adjacent two patrix teeth (4), the scope of spacing is between 5mm-5.5mm.
5. installation according to claim 1 firmly threaded mold, is characterized in that: the top width of described patrix tooth (4) is 1/2 of v-depression (5) bottom width.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510874178.3A CN105363976A (en) | 2015-12-03 | 2015-12-03 | Threaded mold realizing firm installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510874178.3A CN105363976A (en) | 2015-12-03 | 2015-12-03 | Threaded mold realizing firm installation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105363976A true CN105363976A (en) | 2016-03-02 |
Family
ID=55366883
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510874178.3A Pending CN105363976A (en) | 2015-12-03 | 2015-12-03 | Threaded mold realizing firm installation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105363976A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3842574A (en) * | 1971-12-27 | 1974-10-22 | Aluminum Co Of America | Method for applying a container closure |
| US5293765A (en) * | 1991-04-17 | 1994-03-15 | E. Nussbaum Ag | Method and apparatus for the manufacture of threaded aluminum containers |
| JP2002066674A (en) * | 2000-08-21 | 2002-03-05 | Takeuchi Press Ind Co Ltd | Manufacturing method for aluminum threaded container |
| CN101084150A (en) * | 2004-12-24 | 2007-12-05 | 环宇制罐株式会社 | Method of manufacturing bottle can |
| CN204018617U (en) * | 2014-07-09 | 2014-12-17 | 宁波金田铜管有限公司 | Core head for large helix angle forming of internal thread copper pipes |
| CN104289643A (en) * | 2013-07-15 | 2015-01-21 | 上海万盛保温容器有限公司 | Production process and equipment of cylinder rolled threads of insulating container |
-
2015
- 2015-12-03 CN CN201510874178.3A patent/CN105363976A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3842574A (en) * | 1971-12-27 | 1974-10-22 | Aluminum Co Of America | Method for applying a container closure |
| US5293765A (en) * | 1991-04-17 | 1994-03-15 | E. Nussbaum Ag | Method and apparatus for the manufacture of threaded aluminum containers |
| JP2002066674A (en) * | 2000-08-21 | 2002-03-05 | Takeuchi Press Ind Co Ltd | Manufacturing method for aluminum threaded container |
| CN101084150A (en) * | 2004-12-24 | 2007-12-05 | 环宇制罐株式会社 | Method of manufacturing bottle can |
| CN104289643A (en) * | 2013-07-15 | 2015-01-21 | 上海万盛保温容器有限公司 | Production process and equipment of cylinder rolled threads of insulating container |
| CN204018617U (en) * | 2014-07-09 | 2014-12-17 | 宁波金田铜管有限公司 | Core head for large helix angle forming of internal thread copper pipes |
Non-Patent Citations (1)
| Title |
|---|
| 高炳天: "滚压螺纹模具的结构改进", 《机械研究与应用》 * |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160302 |
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| RJ01 | Rejection of invention patent application after publication |