CN105344896A - Improved structure of rolled thread mold - Google Patents
Improved structure of rolled thread mold Download PDFInfo
- Publication number
- CN105344896A CN105344896A CN201510873693.XA CN201510873693A CN105344896A CN 105344896 A CN105344896 A CN 105344896A CN 201510873693 A CN201510873693 A CN 201510873693A CN 105344896 A CN105344896 A CN 105344896A
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- CN
- China
- Prior art keywords
- tooth
- shaped groove
- patrix
- upper mold
- teeth
- 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
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- 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
Abstract
The invention discloses an improved structure of a rolled thread mold. The improved structure comprises an upper mold body, a lower mold body, a warner and clamping pieces, wherein the upper mold body is provided with multiple upper mold teeth; each upper mold tooth is trapezoidal; the outer surfaces of all the upper mold teeth are provided with trapezoidal threads; one surface, near the upper mold body, of the lower mold body is provided with multiple V-shaped grooves; the V-shaped grooves are matched with the upper mold teeth in size; the inner walls of groove bodies of the V-shaped grooves are provided with cavities allowing embedment of semi-arc clamping pieces; the clamping pieces can be screwed in or screwed out the cavities in the inner walls of the V-shaped grooves through rotating knobs; and one surface, near the upper mold body, of the lower mold body is provided with the warner. Through the structure, the screwing-in or screwing-out of the upper mold teeth on the mold from the V-shaped grooves is convenient and simple; the tooth slip condition of the upper mold teeth is prevented; and in addition, the warner is arranged for making a sound to prompt operators after the upper mold teeth abnormally run out the V-shaped grooves, so that the operation safety is guaranteed.
Description
Technical field
The present invention relates to mechanical field, be specifically related to the modified node method of rolled thread mould.
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 is for the ease of in patrix tooth precession V-shaped groove body, there is certain gap between patrix tooth and V-shaped groove body, the situation easily causing patrix tooth and V-shaped groove to come off in the course of the work occurs.
Summary of the invention
Instant invention overcomes the deficiencies in the prior art, the modified node method of rolled thread mould is provided, patrix tooth on this mould screws in or to screw out V-shaped groove convenient and simple, patrix tooth avoids the situation occurring sliding tooth, in addition alarm setting can also patrix tooth is improper run out of V-shaped groove after, alarm also can be sounded and be reminded operating personnel, ensure that the safety of operation.
For solving above-mentioned technical problem, the present invention is by the following technical solutions: the modified node method of rolled thread mould, comprise mould body, lower mould body, alarm and Fastener, 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; On described lower mould body with on upper mould body adjacent surface, multiple V-shaped groove is also set, the size of V-shaped groove body and the size of patrix tooth match, the cell body inwall of V-shaped groove also arranges cavity and embeds half arc Fastener, Fastener can by rotating knob precession or screwing out the cavity that V-shaped groove inwall is arranged; Described lower mould body and upper mould body adjacent surface also arrange alarm.
The modified node method of the rolled thread mould in this programme 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.Upper film tooth on the modified node method of this rolled thread mould 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.For the ease of in patrix tooth precession V-shaped groove body, certain gap is there is between patrix tooth and V-shaped groove body, the situation easily causing patrix tooth and V-shaped groove to come off in the course of the work occurs, and Fastener is set in this programme in V-shaped groove body, after patrix eye cutting enters V-shaped groove body, then can rotate rotation knob, Fastener is allowed to screw out in cavity, patrix tooth is clamped, avoids upper tooth mould to run out of, affect the normal work of rolled thread mould; Then rotating rotation knob gets back in cavity when needs take out upper tooth mould by Fastener, is conveniently taken out by patrix tooth.In addition, when patrix tooth is improper run out of V-shaped groove after, alarm also can sound remind operating personnel, ensure that the safety of operation.
The inwall of each V-shaped groove arranges at least two Fasteners.Increase the tightness of patrix tooth in V-type groove.
The opening of alarm and V-shaped groove is adjacent.It is more accurate to judge.
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.
Compared with prior art, the invention has the beneficial effects as follows:
1, in this programme, Fastener is set in V-shaped groove body, after patrix eye cutting enters V-shaped groove body, then can rotates rotation knob, allow Fastener screw out in cavity, patrix tooth is clamped, avoids upper tooth mould to run out of, affect the normal work of rolled thread mould
2, the setting of alarm, when patrix tooth is improper run out of V-shaped groove after, alarm also can sound remind operating personnel, ensure that the safety of operation.
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; 6, alarm; 7, knob is rotated; 8, Fastener.
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, lower mould body 2, alarm 6 and Fastener 8, described upper mould body 1 arranges multiple patrix tooth 4, the shape of each patrix tooth 4 is trapezoidal, and the outer surface of each patrix tooth 4 also arranges trapezoidal thread; On described lower mould body 2 with on upper mould body 1 adjacent surface, multiple V-shaped groove 5 is also set, the size of V-shaped groove body 5 and the size of patrix tooth 4 match, the cell body inwall of V-shaped groove 5 also arranges cavity and embeds half arc Fastener 8, Fastener 8 can by rotating knob 7 precession or screwing out the cavity that V-shaped groove 5 inwall is arranged; Described lower mould body 5 and upper mould body 1 adjacent surface also arrange alarm 6.
The modified node method of the rolled thread mould in this programme 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.Upper film tooth on the modified node method of this rolled thread mould 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.For the ease of in patrix tooth precession V-shaped groove body, certain gap is there is between patrix tooth and V-shaped groove body, the situation easily causing patrix tooth and V-shaped groove to come off in the course of the work occurs, and Fastener is set in this programme in V-shaped groove body, after patrix eye cutting enters V-shaped groove body, then can rotate rotation knob, Fastener is allowed to screw out in cavity, patrix tooth is clamped, avoids upper tooth mould to run out of, affect the normal work of rolled thread mould; Then rotating rotation knob gets back in cavity when needs take out upper tooth mould by Fastener, is conveniently taken out by patrix tooth.In addition, when patrix tooth is improper run out of V-shaped groove after, alarm also can sound remind operating personnel, ensure that the safety of operation.
Embodiment 2:
The present embodiment is preferably as follows on the basis of embodiment 1: on the inwall of each V-shaped groove 5, arrange at least two Fasteners 8.Increase the tightness of patrix tooth in V-type groove.
Alarm 6 is adjacent with the opening of V-shaped groove 5.It is more accurate to judge.
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.
Just this invention can be realized as mentioned above.
Claims (6)
1. the modified node method of rolled thread mould, it is characterized in that: comprise mould body (1), lower mould body (2), alarm (6) and Fastener (8), described upper mould body (1) arranges multiple patrix tooth (4), 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), the size of V-shaped groove body (5) and the size of patrix tooth (4) match, the cell body inwall of V-shaped groove (5) also arranges cavity and embeds half arc Fastener (8), Fastener (8) can by rotating knob (7) precession or screwing out the cavity that V-shaped groove (5) inwall is arranged; Described lower mould body (5) and upper mould body (1) adjacent surface also arrange alarm (6).
2. the modified node method of rolled thread mould according to claim 1, is characterized in that: on the inwall of each V-shaped groove (5), arrange at least two Fasteners (8).
3. the modified node method of rolled thread mould according to claim 1, is characterized in that: alarm (6) is adjacent with the opening of V-shaped groove (5).
4. the modified node method of rolled thread mould according to claim 1, is characterized in that: at the angular range of the angle of thread (3) of patrix tooth (4) up one-tenth between 15 °-21 °.
5. the modified node method of rolled thread mould according to claim 1, is characterized in that: the thread form height of patrix tooth (4) is 1/2 of spacing between adjacent two patrix teeth (4).
6. the modified node method of the rolled thread mould 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510873693.XA CN105344896A (en) | 2015-12-03 | 2015-12-03 | Improved structure of rolled thread mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510873693.XA CN105344896A (en) | 2015-12-03 | 2015-12-03 | Improved structure of rolled thread mold |
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| Publication Number | Publication Date |
|---|---|
| CN105344896A true CN105344896A (en) | 2016-02-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510873693.XA Pending CN105344896A (en) | 2015-12-03 | 2015-12-03 | Improved structure of rolled thread mold |
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| CN (1) | CN105344896A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU547272A1 (en) * | 1974-03-25 | 1977-02-25 | Trapezoid roller | |
| US5293765A (en) * | 1991-04-17 | 1994-03-15 | E. Nussbaum Ag | Method and apparatus for the manufacture of threaded aluminum containers |
| CN201124211Y (en) * | 2007-09-29 | 2008-10-01 | 朱志远 | Trapezoidal thread rolling mould |
| CN203448592U (en) * | 2013-07-15 | 2014-02-26 | 上海万盛保温容器有限公司 | Equipment for manufacturing insulated container cylinder rolled threads |
| CN205165684U (en) * | 2015-12-03 | 2016-04-20 | 绵阳祥泰科技有限责任公司 | Improved generation rolled thread mould |
-
2015
- 2015-12-03 CN CN201510873693.XA patent/CN105344896A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU547272A1 (en) * | 1974-03-25 | 1977-02-25 | Trapezoid roller | |
| US5293765A (en) * | 1991-04-17 | 1994-03-15 | E. Nussbaum Ag | Method and apparatus for the manufacture of threaded aluminum containers |
| CN201124211Y (en) * | 2007-09-29 | 2008-10-01 | 朱志远 | Trapezoidal thread rolling mould |
| CN203448592U (en) * | 2013-07-15 | 2014-02-26 | 上海万盛保温容器有限公司 | Equipment for manufacturing insulated container cylinder rolled threads |
| CN205165684U (en) * | 2015-12-03 | 2016-04-20 | 绵阳祥泰科技有限责任公司 | Improved generation rolled thread mould |
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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Application publication date: 20160224 |