CN203791454U - Square hole punching die for round tubes - Google Patents
Square hole punching die for round tubes Download PDFInfo
- Publication number
- CN203791454U CN203791454U CN201420222065.6U CN201420222065U CN203791454U CN 203791454 U CN203791454 U CN 203791454U CN 201420222065 U CN201420222065 U CN 201420222065U CN 203791454 U CN203791454 U CN 203791454U
- Authority
- CN
- China
- Prior art keywords
- pressure strip
- die
- bolster
- hole
- plate
- 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
Links
Abstract
The utility model discloses a square hole punching die for round tubes. The square hole punching die for the round tubes comprises an upper die base, a lower die base and a convex die, wherein the convex die comprises an upper convex die and a lower convex die; the lower side surface of the upper die base is connected with an upper bolster; the lower side surface of the upper bolster is connected with an upper fixing plate; the upper convex die is connected to the inside of the upper fixing plate; the lower end of the upper convex die perpendicularly extends from the lower side surface of the upper fixing plate; an upper pressing plate is arranged below the upper fixing plate; an upper rubber block is arranged between the upper fixing plate and the upper pressing plate; an upper discharging screw sequentially penetrates in the upper die base, the upper bolster, the upper fixing plate and the upper rubber block; the lower end of the upper discharging screw is fastened to the upper pressing plate; an upper convex die through hole is formed in the upper side surface of the upper pressing plate; a first groove is formed in the lower side surface of the upper pressing plate; and a structure which is the same with the upper die base and is opposite to the upper die base is arranged above the lower die base. The square hole punching die for the round tubes is simple in structure, low in cost, convenient to operate and suitable for small scale production.
Description
Technical field
The utility model relates to punch die technical field, relates in particular to a kind of pipe square hole stamping die.
Background technology
Pipe is widely used in many industries, in process of production, through hole on pipe generally all adopts punch die processing, through hole on pipe has the form such as circular hole, square hole, some pipe punch die structure complexity, and production cost is high, be not suitable for small lot batch manufacture, now need a kind of small lot batch manufacture that is applicable to, cost is low, pipe square hole stamping die simple for structure.
Utility model content
Problem to be solved in the utility model is, for the defect of prior art, provides a kind of small lot batch manufacture that is applicable to, and cost is low, pipe square hole stamping die simple for structure.
The purpose of this utility model is achieved through the following technical solutions.Pipe square hole stamping die, comprise upper bolster, die shoe, punch, described punch comprises upper male mould and lower punch, the downside of upper bolster connects upper padding plate, the downside of upper padding plate connects upper mounted plate, upper male mould is connected in upper mounted plate, vertically stretch out from the downside of upper mounted plate the lower end of upper male mould, the below of upper mounted plate is provided with pressure strip, between upper mounted plate and upper pressure strip, be provided with block rubber, loading and unloading material screw is successively through upper bolster, upper padding plate, upper mounted plate and upper block rubber, the lower end of loading and unloading material screw is fastened on pressure strip, the upper side of upper pressure strip is provided with upper male mould through hole, the downside of upper pressure strip is provided with the first groove, upper male mould through hole is communicated with the first groove, the upper side of die shoe connects lower bolster, the upper side of lower bolster connects bottom plate, lower punch is connected in bottom plate, vertically stretch out from the upper side of bottom plate the upper end of lower punch, the top of bottom plate is provided with lower pressure strip, between bottom plate and lower pressure strip, be provided with lower block rubber, lower unloading bolt is successively through die shoe, lower bolster, bottom plate and lower block rubber, the upper end of lower unloading bolt is fastened on lower pressure strip, the downside of lower pressure strip is provided with lower punch through hole, the upper side of lower pressure strip is provided with the second groove, lower punch through hole is communicated with the second groove.When work, pipe blank is placed in the second groove of lower pressure strip, patrix is descending, and upper-lower compacting plate compresses pipe blank, and patrix continues descending, upper lower punch starts punching, waste material falls in steel pipe cavity, and patrix is up, and upper-lower compacting plate unloads product from punch, product drops in the second groove of lower pressure strip, product can be taken out.The utility model is simple for structure, and cost is low, easy to operate, is applicable to small lot batch manufacture.
As preferably, described lower pressure strip is provided with pilot pin, and pilot pin vertically stretches out from the upper side of lower pressure strip, and upper pressure strip is provided with pin-guide hole, and the upper end of pilot pin is positioned at pin-guide hole, and lower punch alignment degree in raising is improved the axiality of pipe through hole.
As preferably, the upper side of described upper bolster is provided with die shank, patrix is arranged on the slide block of forcing press by die shank, and easy for installation, installation accuracy is high.
The beneficial effects of the utility model are, simple for structure, cost is low, easy to operate, easy for installation, and through hole axiality is higher, are applicable to small lot batch manufacture.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the partial sectional view of lower pressure strip.
Detailed description of the invention
Below the utility model is described in further detail in conjunction with the accompanying drawings and embodiments:
Embodiment, as shown in Figure 1, pipe square hole stamping die, by upper bolster 1, die shoe 13, upper male mould 5, lower punch 11 compositions such as grade, the upper side of the upper bolster die shank 4 that is threaded, the downside of upper bolster connects upper padding plate 2, the downside of upper padding plate connects upper mounted plate 6, upper bolster, upper padding plate and upper mounted plate are fixed together by four screws, upper male mould belongs to step punch, upper male mould is fixedly connected in upper mounted plate by step is fixed, vertically stretch out from the downside of upper mounted plate the lower end of upper male mould, the below of upper mounted plate is provided with pressure strip 7, between upper mounted plate and upper pressure strip, be provided with block rubber 16, upper bolster, upper padding plate, upper mounted plate and upper block rubber are equipped with through hole, loading and unloading material screw 3 is successively through upper bolster, upper padding plate, through hole on upper mounted plate and upper block rubber, the through hole of upper bolster is up big and down small step through hole, the head of a nail of loading and unloading material screw is positioned at the through hole that upper bolster is large, loading and unloading material screw and upper bolster, upper padding plate, upper mounted plate and upper block rubber are matched in clearance, the lower end of loading and unloading material screw is fastened on pressure strip.The upper side of upper pressure strip is provided with upper male mould through hole, and the downside of upper pressure strip is provided with the first groove, and upper male mould through hole is communicated with the first groove.The upper side of die shoe connects lower bolster 10, the upper side of lower bolster connects bottom plate 9, lower punch is connected in bottom plate, die shoe, lower bolster and bottom plate are fixed together by four screws, lower punch belongs to step punch, lower punch is fixedly connected in bottom plate by step is fixed, vertically stretch out from the upper side of bottom plate the upper end of lower punch, the top of bottom plate is provided with lower pressure strip 15, between bottom plate and lower pressure strip, be provided with lower block rubber 14, die shoe, lower bolster, bottom plate and upper and lower block rubber are equipped with through hole, lower unloading bolt 12 is successively through die shoe, lower bolster, through hole on bottom plate and lower block rubber, the through hole of die shoe is up-small and down-big step through hole, the head of a nail of lower unloading bolt is positioned at the through hole that die shoe is large, lower unloading bolt and die shoe, lower bolster, bottom plate and lower block rubber are matched in clearance, the upper end of lower unloading bolt is fastened on lower pressure strip, the downside of lower pressure strip is provided with lower punch through hole, the upper side of lower pressure strip is provided with the second groove, lower punch through hole is communicated with the second groove.The cross section of the first groove and the second groove is semicircle, is circle when the first groove and the second groove close up.Lower pressure strip is provided with pilot pin 8, pilot pin and lower pressure strip interference fit, and pilot pin vertically stretches out from the upper side of lower pressure strip, and upper pressure strip is provided with pin-guide hole, and the upper end of pilot pin is positioned at pin-guide hole, pilot pin and upper pressure strip matched in clearance.The partial sectional view of lower pressure strip as shown in Figure 2, there is a ladder end face at the rear side of lower pressure strip the second groove, also the radius of the second groove rear section semi-circular cross-section is less than the radius of groove above, location when this structure is put into for pipe blank, the cross section of the first punch and the second punch is square, and end all adopts oblique sword.When work, pipe blank is placed in the second groove of lower pressure strip, blank one end is close to the ladder end face of the second groove, and patrix is descending, upper-lower compacting plate compresses pipe blank, patrix continues descending, and upper lower punch starts punching, and waste material falls in steel pipe cavity, patrix is up, upper-lower compacting plate unloads product from punch, and product drops in the second groove of lower pressure strip, product can be taken out.The utility model is simple for structure, and cost is low, easy to operate, is applicable to small lot batch manufacture.
The above is preferably detailed description of the invention of the utility model, not limits practical range of the present utility model with this.The utility model can also have other embodiment, only otherwise deviate from spirit of the present utility model, and within no matter in form what kind of conversion all drops on protection domain of the present utility model.
Claims (3)
1. pipe square hole stamping die, comprise upper bolster, die shoe, punch, it is characterized in that, described punch comprises upper male mould and lower punch, the downside of upper bolster connects upper padding plate, the downside of upper padding plate connects upper mounted plate, upper male mould is connected in upper mounted plate, vertically stretch out from the downside of upper mounted plate the lower end of upper male mould, the below of upper mounted plate is provided with pressure strip, between upper mounted plate and upper pressure strip, be provided with block rubber, loading and unloading material screw is successively through upper bolster, upper padding plate, upper mounted plate and upper block rubber, the lower end of loading and unloading material screw is fastened on pressure strip, the upper side of upper pressure strip is provided with upper male mould through hole, the downside of upper pressure strip is provided with the first groove, upper male mould through hole is communicated with the first groove, the upper side of die shoe connects lower bolster, the upper side of lower bolster connects bottom plate, lower punch is connected in bottom plate, vertically stretch out from the upper side of bottom plate the upper end of lower punch, the top of bottom plate is provided with lower pressure strip, between bottom plate and lower pressure strip, be provided with lower block rubber, lower unloading bolt is successively through die shoe, lower bolster, bottom plate and lower block rubber, the upper end of lower unloading bolt is fastened on lower pressure strip, the downside of lower pressure strip is provided with lower punch through hole, the upper side of lower pressure strip is provided with the second groove, lower punch through hole is communicated with the second groove.
2. pipe square hole stamping die according to claim 1, is characterized in that, described lower pressure strip is provided with pilot pin, and pilot pin vertically stretches out from the upper side of lower pressure strip, and upper pressure strip is provided with pin-guide hole, and the upper end of pilot pin is positioned at pin-guide hole.
3. pipe square hole stamping die according to claim 1 and 2, is characterized in that, the upper side of described upper bolster is provided with die shank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420222065.6U CN203791454U (en) | 2014-05-04 | 2014-05-04 | Square hole punching die for round tubes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420222065.6U CN203791454U (en) | 2014-05-04 | 2014-05-04 | Square hole punching die for round tubes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203791454U true CN203791454U (en) | 2014-08-27 |
Family
ID=51373725
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420222065.6U Expired - Fee Related CN203791454U (en) | 2014-05-04 | 2014-05-04 | Square hole punching die for round tubes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203791454U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112828132A (en) * | 2020-12-24 | 2021-05-25 | 开平市诚瑞丰科技有限公司 | Convenient punching die for high-precision pipe symmetric holes |
-
2014
- 2014-05-04 CN CN201420222065.6U patent/CN203791454U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112828132A (en) * | 2020-12-24 | 2021-05-25 | 开平市诚瑞丰科技有限公司 | Convenient punching die for high-precision pipe symmetric holes |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140827 Termination date: 20150504 |
|
| EXPY | Termination of patent right or utility model |