CN208712545U - In high precision, the cold-drawing molding die of high-intensity special-shaped keypad - Google Patents
In high precision, the cold-drawing molding die of high-intensity special-shaped keypad Download PDFInfo
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- CN208712545U CN208712545U CN201821323509.XU CN201821323509U CN208712545U CN 208712545 U CN208712545 U CN 208712545U CN 201821323509 U CN201821323509 U CN 201821323509U CN 208712545 U CN208712545 U CN 208712545U
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- special
- cold
- mold
- keypad
- molding die
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- 238000000465 moulding Methods 0.000 title claims abstract description 27
- 238000010622 cold drawing Methods 0.000 title claims abstract description 17
- 230000007704 transition Effects 0.000 claims abstract description 22
- 238000005554 pickling Methods 0.000 claims description 4
- 239000002994 raw material Substances 0.000 claims description 4
- 238000000137 annealing Methods 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 8
- 238000003754 machining Methods 0.000 description 7
- 229910000831 Steel Inorganic materials 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000005098 hot rolling Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003607 modifier Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
Abstract
The utility model discloses the cold-drawing molding dies of high-precision, high-intensity special-shaped keypad, it includes mold, and the mold is mounted on mold set inside, and the center of the mold is machined with for molding die cavity；The Internal periphery of the die cavity is provided with inlet circular arc section, and the inlet circular arc section is connected with inclination straight transitions section transition, and the inclination straight transitions section is connected by flat segments with outlet arc section transition；The cross sectional shape of the flat segments is identical as special-shaped keypad cross sectional shape to be formed.Cold-drawing technology is assisted again by using this mold, can be used in the keypad processing of special-shaped key, and then greatly improves its processing efficiency, while ensure that the processing quality and precision of keypad.
Description
Technical field
The utility model belongs to key processing and manufacturing device field, and in particular to a kind of high-precision, high-intensity special-shaped keypad
Cold-drawing molding die, and in particular to high-precision metal parts machining forming technique.
Background technique
Special-shaped key has obtained extensive utilization on the transmission shaft of heavy duty transmission machinery, special due to special-shaped keypad shape
Property and higher required precision, are difficult to make the direct hot-roll forming of keypad using conventional hot-rolling method, generally use be rolled into it is flat
Steel is again using the method for machining, and flat hot rolled bar and special-shaped keypad size difference are larger, can be lost using machining big
The material of the amount and process-cycle is longer.
Therefore, our company plays the speciality of cold-drawn processing, designs mould corresponding with its cross sectional shape for special-shaped keypad
Tool, and the special-shaped keypad for meeting size and required precision has successfully been produced by the method for cold-drawn by flat hot rolled bar.Substitution passes
The machining mode of system, improves processing efficiency.
Utility model content
The purpose of the utility model is to provide the cold-drawing molding dies of a kind of high-precision, high-intensity special-shaped keypad, by adopting
Cold-drawing technology is assisted again with this mold, can be used in the keypad processing of special-shaped key, and then greatly improves its processing efficiency, together
When ensure that the processing quality and precision of keypad.
In order to realize above-mentioned technical characteristic, purpose of the utility model is realized as follows: high-precision, it is high-intensity special-shaped
The cold-drawing molding die of keypad, it includes mold, and the mold is mounted on mold set inside, the centre bit of the mold
It sets and is machined with for molding die cavity；The Internal periphery of the die cavity is provided with inlet circular arc section, the inlet circular arc section and inclination
Straight transitions section transition is connected, and the inclination straight transitions section is connected by flat segments with outlet arc section transition；It is described straight
The cross sectional shape of section is identical as special-shaped keypad cross sectional shape to be formed.
The center of the mold set is machined with mounting hole, and the center of the mounting hole is machined with discharge hole, the mounting hole
Diameter be greater than the diameter of discharge hole, the two forms positioning step in transition position, and the mold is mounted on by positioning step
The inside of mold set.
The special-shaped keypad raw material to be formed use flat bar stock, and the flat bar stock is stress relief annealing state.
The projection of the inlet circular arc section, inclination straight transitions section, flat segments and outlet arc section along its direction of axis line
Length ratio is 1:6:2.25:0.75.
One end of the flat bar stock is machined with collet, and the size of the collet is less than special-shaped keypad sectional dimension, and energy
Enough pass through the die cavity of molding die；The flat bar stock is handled using pickling, phosphatization, saponified surface, and to flat bar stock
It is lubricated processing.
The utility model has the advantages that:
1, the cold-drawing molding die of high-precision provided by the utility model, high-intensity special-shaped keypad, cold-drawn is easily molded, raw
Production efficiency is higher, and especially dimensional accuracy and surface roughness are close to the special-shaped keypad of machining molding, with machining
Molding is compared, and due to using cold drawn forming substantially lossless, can greatly improve stock utilization.
2, by using cold-drawing technology, its molding can be greatly improved with the longer special-shaped keypad of one-pass molding length
Efficiency shortens its molding cycle.
Detailed description of the invention
The utility model is described in further detail with reference to the accompanying drawings and examples.
Fig. 1 is the main sectional view of the utility model.
Fig. 2 is the main view of the utility model.
Fig. 3 is Section A-A figure in Fig. 2 of the utility model.
Fig. 4 is the flat bar stock raw material sectional view of the utility model.
Fig. 5 is the special-shaped keypad sectional view to be formed of the utility model.
In figure: mold set 1, positioning step 3, discharge hole 4, outlet arc section 5, mounting hole 6, flat segments 7, inclines at mold 2
Oblique straight transitions section 8, inlet circular arc section 9.
Specific embodiment
The embodiments of the present invention is described further with reference to the accompanying drawing.
Embodiment 1:
As shown in Figs. 1-5, the cold-drawing molding die of high-precision, high-intensity special-shaped keypad, it includes mold 2, the mould
Specific 2 are mounted on inside mold set 1, and the center of the mold 2 is machined with for molding die cavity；The die cavity it is interior
Profile is provided with inlet circular arc section 9, and the inlet circular arc section 9 is connected with inclination 8 transition of straight transitions section, the straight mistake of inclination
It crosses section 8 and is connected by flat segments 7 with outlet 5 transition of arc section；The cross sectional shape of the flat segments 7 and special-shaped keypad to be formed
Cross sectional shape is identical.By using the cold-drawing molding die of above structure, it can be used in the cold drawn forming of special-shaped keypad, substitution passes
The machining mode of system, and then its shaping efficiency is greatly improved, the loss of material is reduced, its molding week is shortened
Phase, while ensure that formed precision and quality, its requirement is met well.
Further, the center of the mold set 1 is machined with mounting hole 6, and the center of the mounting hole 6 is machined with discharge hole
4, the diameter of the mounting hole 6 is greater than the diameter of discharge hole 4, and the two forms positioning step 3 in transition position, and the mold 2 is logical
Cross the inside that positioning step is mounted on mold set 1.Easily mold 2 can be pacified by using the mold set 1 of above structure
On cold-drawn unit.
Further, the special-shaped keypad raw material to be formed use flat bar stock, and the flat bar stock is destressing
Annealed condition.It ensure that optimal Forming Quality by using above-mentioned treatment process.
Further, the inlet circular arc section 9, inclination straight transitions section 8, flat segments 7 and outlet arc section 5 are along its axle center
The ratio between the projected length in line direction is 1:6:2.25:0.75.By using above-mentioned ratio, guarantee the structural strength of mold 2,
And then extend its service life.
Further, one end of the flat bar stock is machined with collet, and the size of the collet is less than special-shaped keypad section
Size, and the die cavity of molding die can be passed through；The flat bar stock is handled using pickling, phosphatization, saponified surface, and right
Flat bar stock is lubricated processing.By using above-mentioned treatment process, guarantee molding precision and quality.
Further, it after cold drawn forming terminates, will be aligned after the special-shaped keypad modifier treatment of cold drawn forming.
Embodiment 2:
With width 44mm, thickness 16mm, length is the band steel of 6000mm, and band steel is stress relief annealing state, using pickling,
Phosphatization, saponified surface processing, and processing is lubricated to flat bar stock, special-shaped keypad die size is 40 × 14.5, by band steel
Pass through special-shaped keypad mold cold drawn forming on cold-drawn unit.
The use process of the utility model are as follows:
1, required special-shaped keypad mold is mounted at cold-drawn unit die holder.
2, the flat bar stock that surface treatment finishes is placed at cold-drawn unit charging.
3, flat bar stock level height is adjusted, starting liftout cylinder pushes ahead band steel slowly and cold-drawn collet is made to pass through mould
Tool.
4, clamp is collapsed, cold-drawn unit is started, starts cold drawn forming.
Above-described embodiment is used to illustrate the utility model, rather than limits the utility model, practical at this
In novel spirit and scope of protection of the claims, to any modifications and changes that the utility model is made, this reality is both fallen within
With novel protection scope.
Claims (5)
1. the cold-drawing molding die of high-precision, high-intensity special-shaped keypad, it is characterised in that: it includes mold (2), the mold
Body (2) is mounted on mold set (1) inside, and the center of the mold (2) is machined with for molding die cavity；The die cavity
Internal periphery be provided with inlet circular arc section (9), the inlet circular arc section (9) with inclination straight transitions section (8) transition be connected, it is described
Inclination straight transitions section (8) is connected by flat segments (7) with outlet arc section (5) transition；The cross sectional shape of the flat segments (7)
It is identical as special-shaped keypad cross sectional shape to be formed.
2. the cold-drawing molding die of high-precision according to claim 1, high-intensity special-shaped keypad, it is characterised in that: described
The center of mold set (1) is machined with mounting hole (6), and the center of the mounting hole (6) is machined with discharge hole (4), the mounting hole
(6) diameter is greater than the diameter of discharge hole (4), and the two forms positioning step (3) in transition position, and it is fixed that the mold (2) passes through
Position step is mounted on the inside of mold set (1).
3. the cold-drawing molding die of high-precision according to claim 1, high-intensity special-shaped keypad, it is characterised in that: described
Special-shaped keypad raw material to be formed use flat bar stock, and the flat bar stock is stress relief annealing state.
4. the cold-drawing molding die of high-precision according to claim 1, high-intensity special-shaped keypad, it is characterised in that: described
The projection of inlet circular arc section (9), inclination straight transitions section (8), flat segments (7) and outlet arc section (5) along its direction of axis line
Length ratio is 1:6:2.25:0.75.
5. the cold-drawing molding die of high-precision according to claim 3, high-intensity special-shaped keypad, it is characterised in that: described
One end of flat bar stock is machined with collet, and the size of the collet is less than special-shaped keypad sectional dimension, and can pass through into
The die cavity of pattern tool；The flat bar stock is lubricated processing to flat bar stock using pickling, phosphatization, saponified surface processing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821323509.XU CN208712545U (en) | 2018-08-16 | 2018-08-16 | In high precision, the cold-drawing molding die of high-intensity special-shaped keypad |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821323509.XU CN208712545U (en) | 2018-08-16 | 2018-08-16 | In high precision, the cold-drawing molding die of high-intensity special-shaped keypad |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208712545U true CN208712545U (en) | 2019-04-09 |
Family
ID=65977939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821323509.XU Active CN208712545U (en) | 2018-08-16 | 2018-08-16 | In high precision, the cold-drawing molding die of high-intensity special-shaped keypad |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208712545U (en) |
-
2018
- 2018-08-16 CN CN201821323509.XU patent/CN208712545U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Cold Drawing Forming Mold for High Precision and High Strength Shaped Key Plate Effective date of registration: 20230315 Granted publication date: 20190409 Pledgee: Bank of China Limited by Share Ltd. Three Gorges Branch Pledgor: YICHANG ZHONGNAN PRECISION STEEL PIPE CO.,LTD. Registration number: Y2023980035029 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20190409 Pledgee: Bank of China Limited by Share Ltd. Three Gorges Branch Pledgor: YICHANG ZHONGNAN PRECISION STEEL PIPE CO.,LTD. Registration number: Y2023980035029 |