CN206643203U - A kind of column punching die - Google Patents
A kind of column punching die Download PDFInfo
- Publication number
- CN206643203U CN206643203U CN201720263428.4U CN201720263428U CN206643203U CN 206643203 U CN206643203 U CN 206643203U CN 201720263428 U CN201720263428 U CN 201720263428U CN 206643203 U CN206643203 U CN 206643203U
- Authority
- CN
- China
- Prior art keywords
- die
- drift
- loop bar
- hydraulic cylinder
- frame
- 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.)
- Expired - Fee Related
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- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
A kind of column punching die, including organic frame, the top of the frame are provided with hydraulic cylinder, it is characterised in that：The hydraulic cylinder is telescoping hydraulic cylinder, the telescoping hydraulic cylinder includes outer loop bar and interior loop bar, the outer loop bar is connected with top die, and chute is machined with the inside two side of frame, and the both ends of the top die are provided with the bossing being used cooperatively with the chute；The bottom of the frame is provided with the base being used cooperatively with the top die, and the medium position of the top die is provided with cavity, drift is provided with the cavity, back-moving spring is additionally provided with the drift, the top of the drift contacts connection with the interior loop bar；It can not only be realized by mechanical mechanism and be accurately positioned the hole position precision for ensuring workpiece, and the drift of punching is carried out to built-inization of upper mould, it is ensured that the protection of staking punch, be not easy collision and be damaged, substantially increase the mold use life-span of staking punch and punching.
Description
Technical field
Diel equipment production technical field is the utility model is related to, especially a kind of column punching die.
Background technology
Diel, it is in Cold Press Working, material (metal is nonmetallic) is processed into part (or semi-finished product)
A kind of special process equipment, referred to as cold punching die (being commonly called as cold-punching mould).Punching press, it is at room temperature, using installed in forcing press
On mould pressure is applied to material, it is produced separation or plastic deformation, so as to a kind of pressure processing of part needed for obtaining
Method.
Existing diel, particularly perforating die, are relatively common punching dies at present, its main purposes be
Need to carry out punch operation in the workpieces processing of punching accordingly, punching die of the prior art be typically all upper and lower mould it
Between configure drift and articles holding table, be then punched out, but because drift is typically exposed, therefore drift is easy to
Impaired or corrosion, while can also cause punching positioning unstable, hole position, which produces, to be offset, and is caused the hole position error of workpiece, is influenceed
Precision.
The utility model proposes a kind of column perforating die for technical problem present in above-mentioned existing punching die
Tool, it can not only be realized by mechanical mechanism and be accurately positioned the hole position precision for ensuring workpiece, and the drift of punching is carried out
Built-inization of mould, it is ensured that the protection of staking punch, be not easy collision and be damaged, substantially increase the mold use longevity of staking punch and punching
Life.
Utility model content
Punching die described in the utility model, the totality using the locating pin structure mating mold support of upper and lower die holder are prevented
The design method of off-set construction, and the structure of built-inization based on staking punch, the registration of the punching press hole position of mould is realized, it is errorless
Difference, while the safeguard measure of mould punching head is improved, improve die life.
To realize above-mentioned technical goal, technical solution adopted in the utility model is as follows：
A kind of column punching die, including organic frame, the top of the frame are provided with hydraulic cylinder, it is characterised in that：Institute
It is telescoping hydraulic cylinder to state hydraulic cylinder, and the telescoping hydraulic cylinder includes outer loop bar and interior loop bar, and the outer loop bar is connected with
Top die, chute is machined with the inside two side of frame, the both ends of the top die are provided with to be used cooperatively with the chute
Bossing；The bottom of the frame is provided with the base being used cooperatively with the top die.
Further, the bossing of the top die is placed in chute.
Further, the medium position of the top die is provided with cavity, is provided with drift in the cavity, on the drift
Back-moving spring is additionally provided with, the top of the drift contacts connection with the interior loop bar.The interior loop bar of hydraulic cylinder is that drift improves punching
Pressure, the punch structure of the build-in cavities based on back-moving spring are set, and can play the effect of protection drift.
Further, two side positions of the lower surface of the top die are additionally provided with spacing projection, are engaged, the bottom
The upper surface of seat and the opposite position of spacing projection are provided with limited impression.
Optimization, the bottom of the base is provided with groove, and its middle part position corresponding with the cavity in the middle part of top die
Put and be additionally provided with blanking port；The design of bottom groove shape is more conducive to the collection and cleaning of blanking, is easy to the punch operation of serialization.
Technical solutions of the utility model, compared to the advantageous effects present in prior art：
Pass through the limited impression in spacing projection and base, it can be ensured that accurate punching location control, rushing based on built-inization
Header structure is set and improved using the structure of telescopic two-stage hydraulic cylinder, punching press stability is further increased, in outer loop bar
Top die fixed force is provided, then coordinates the stamping press of interior loop bar, can be on the basis of ensuring that stamping parts stabilization is fixed, there is provided essence
True punch operation, improves the punching precision of workpiece, and improves the service life of mould particularly drift.
Brief description of the drawings
Fig. 1 is a kind of structural representation of column punching die of the utility model.
Description of symbols：
1- frames, 2- hydraulic cylinders, the outer loop bars of 3-, loop bar in 4-, 5- chutes, 6- bossings, 7- drifts, 8- reset bullet
Spring, 9- spacing projections, 10- limited impressions, 11- bases, 12- blanking ports, 13- grooves, 14- top dies.
Embodiment
Illustrate content of the present utility model below in conjunction with specific embodiments.
A kind of column punching dies of Fig. 1, including organic frame 1 are referred to, the top of frame 1 is provided with hydraulic cylinder 2, its feature
It is：Hydraulic cylinder 2 is telescoping hydraulic cylinder, and the telescoping hydraulic cylinder includes outer loop bar 3 and interior loop bar 4, and outer loop bar 3 connects
There is top die 14, chute 5 is machined with 1 inside two side of frame, the both ends of top die 14 are convex provided with being used cooperatively with chute 5
Play part 6；The bottom of frame 1 is provided with the base 11 being used cooperatively with top die 14.
The bossing 6 of top die 14 is placed in chute 5.During operation, will the workpiece of punching be placed in base
Upper end, the positioning stablity structure through sliding groove structure, it is ensured that when top die pushes, position skew will not be produced, it is ensured that punching
Positioning precision.
The medium position of top die 14 is provided with cavity (unmarked in figure), is provided with drift 7 in cavity, is also set on drift 7
There is back-moving spring 8, the top of drift 7 contacts connection with interior loop bar 4.The interior loop bar 4 of hydraulic cylinder 2 is that drift improves stamping press, base
In the structure setting of drift 7 of the build-in cavities of back-moving spring 8, the effect for protecting drift can be played.
Two side positions of the lower surface of top die 14 are additionally provided with spacing projection 9, are engaged, the upper surface of base 11 and limit
The opposite position of position projection 9 is provided with limited impression 10.
Optimization, the bottom of base 11 is provided with groove 13, and its middle part is corresponding with the cavity at the middle part of top die 14
Position is additionally provided with blanking port 12；The design of bottom groove shape is more conducive to the collection and cleaning of blanking, is easy to the punch operation of serialization.
Technical solutions of the utility model, compared to the advantageous effects present in prior art：
Pass through the limited impression 10 in spacing projection 9 and base 11, it can be ensured that accurate punching location control, based on built-inization
The structure setting of drift 7 and using telescopic two-stage hydraulic cylinder structure improve, further increase punching press stability, outside
Loop bar 3 provides top die fixed force, then coordinates the stamping press of interior loop bar 4, on the basis of being fixed ensuring stamping parts stabilization,
Accurate punch operation is provided, improves the punching precision of workpiece, and improves the service life of mould particularly drift.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
All any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model
Within the protection domain of patent.
Claims (5)
1. a kind of column punching die, including organic frame, the top of the frame is provided with hydraulic cylinder, it is characterised in that：It is described
Hydraulic cylinder is telescoping hydraulic cylinder, and the telescoping hydraulic cylinder includes outer loop bar and interior loop bar, and the outer loop bar is connected with
Pressing mold, chute is machined with the inside two side of frame, and the both ends of the top die are provided with what is be used cooperatively with the chute
Bossing；The bottom of the frame is provided with the base being used cooperatively with the top die.
A kind of 2. column punching die as claimed in claim 1, it is characterised in that：The bossing of the top die is to put
In in chute.
A kind of 3. column punching die as claimed in claim 1, it is characterised in that：The medium position of the top die is provided with
Cavity, drift is provided with the cavity, back-moving spring, the top of the drift and the interior loop bar are additionally provided with the drift
Contact connection.
A kind of 4. column punching die as claimed in claim 1, it is characterised in that：The both sides of the lower surface of the top die
Position is additionally provided with spacing projection, and the upper surface of the base and the opposite position of spacing projection are provided with limited impression.
A kind of 5. column punching die as claimed in claim 1, it is characterised in that：State base bottom be provided with it is recessed
Groove, and its middle part is additionally provided with blanking port with the cavity opposite position in the middle part of top die.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720263428.4U CN206643203U (en) | 2017-03-17 | 2017-03-17 | A kind of column punching die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720263428.4U CN206643203U (en) | 2017-03-17 | 2017-03-17 | A kind of column punching die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206643203U true CN206643203U (en) | 2017-11-17 |
Family
ID=60278855
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720263428.4U Expired - Fee Related CN206643203U (en) | 2017-03-17 | 2017-03-17 | A kind of column punching die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206643203U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112496148A (en) * | 2020-11-12 | 2021-03-16 | 株洲联信金属有限公司 | Automatic punching machine for workpieces |
-
2017
- 2017-03-17 CN CN201720263428.4U patent/CN206643203U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112496148A (en) * | 2020-11-12 | 2021-03-16 | 株洲联信金属有限公司 | Automatic punching machine for workpieces |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171117 Termination date: 20190317 |