CN207222692U - A kind of high intensity, anti abrasive pierce punch - Google Patents
A kind of high intensity, anti abrasive pierce punch Download PDFInfo
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- CN207222692U CN207222692U CN201720592662.1U CN201720592662U CN207222692U CN 207222692 U CN207222692 U CN 207222692U CN 201720592662 U CN201720592662 U CN 201720592662U CN 207222692 U CN207222692 U CN 207222692U
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- section
- punch
- high intensity
- anti abrasive
- pierce punch
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Abstract
The utility model discloses a kind of high intensity, anti abrasive pierce punch, belong to stamping technology field.The utility model includes clamping section, strengthening segment and the profiled section being sequentially connected, clamping section includes installation shoulder, positioning section and fixed section, strengthening segment is located at below fixed section, the free end of profiled section is provided with preforming section of the taper with circle with its end face, preforming section of cross section is isosceles triangle, and the apex angle α of the isosceles triangle is 60 °~120 °.The utility model can effectively reduce the processing abrasion of punch, ensure machining accuracy, and improve the service life of punch, improve production efficiency.
Description
Technical field
Stamping technology field is the utility model is related to, more specifically to a kind of high intensity, anti abrasive punched hole punching
Head.
Background technology
The progressive die for being presently used for punched workpiece is widely used in mechanical manufacturing field, equipped with corresponding punching
Punch, to realize the continuous and automatic punching processing to product, punch is mounted in the metal parts in stamping die, is applied to
With directly contacting for material, deform upon material, cut material.
The pierce punch generally used in industry, normal service life are about 20,000 times, but in actual use because
Rubbing always with steel part, causing the heavy wear of punch, the size for causing the hole processed is changing always, and precision obtains not
To guarantee, the situation of wear out failure also occurs repeatedly, and the service life of punch also decreases.If desired requirement on machining accuracy ratio
During higher hole, it is necessary to frequently replace punch, not only lost time and manually, but also reduce production efficiency.How effectively to reduce
The problem of processing abrasion, the service life of raising punch, become urgent need to resolve in industry of punch.
Through retrieval, Chinese Patent Application No.：2012103672548, the applying date：On September 27th, 2012, invention and created name
For：Pierce punch, this application discloses a kind of pierce punch, including force part, guiding position and punch area, the guiding
Connecting portion is provided among position and punch area, the connecting portion is into truncated cone, and described connecting portion one end is with being oriented to
Position is with circle, and the other end is with punch area with circle；Knot is integrally changed in the force part, guiding position, connecting portion and punch area
Structure.This application is easy to use, automation is efficient, but the abrasion of this application punch area end and steel part is not dropped effectively
Low, the service life of punch still has much room for improvement.
And for example Chinese Patent Application No.：2012104157737, the applying date：On October 26th, 2012, invention and created name
For：A kind of pierce punch, this application discloses a kind of pierce punch, includes cylindrical punch body, the bottom sides of punch body
Edge is equipped with lead angle, and the place of setting of bottom centre of punch body is equipped with is equipped with one with the integrally formed positioning cone of punch body, positioning cone
Layer wear-resistant coating.This application bottom is equipped with positioning cone, can improve the accuracy of hole machined, and by locating cone body surface
Face is equipped with one layer of wear-resistant coating, extends its service life, but sets the cost of wear-resistant coating higher, is not suitable for being widely popularized.
Utility model content
1. utility model technical problems to be solved
It is relatively low not using serious wear, service life the purpose of the utility model is to overcome punch in the prior art
Foot, there is provided a kind of high intensity, anti abrasive pierce punch, can effectively reduce the processing abrasion of punch, ensure machining accuracy,
And the service life of punch is improved, improve production efficiency.
2. technical solution
To reach above-mentioned purpose, technical solution provided by the utility model is：
A kind of high intensity of the utility model, anti abrasive pierce punch, including be sequentially connected clamping section, strengthening segment and
Profiled section, the clamping section include installation shoulder, positioning section and fixed section, and strengthening segment is located at below fixed section, the freedom of profiled section
End is provided with preforming section of the taper with circle with its end face, and preforming section of cross section is isosceles triangle, and the isoceles triangle
The apex angle α of shape is 60 °~120 °.
Further improved as the utility model, the apex angle α of above-mentioned isosceles triangle is 90 °.
Further improved as the utility model, the positioning section includes First Transition section, engaging section and the second mistake
Section is crossed, First Transition section and the second changeover portion are truncated cone-shaped structure, and the area of section of First Transition section is constantly shunk downwards, the
The area of section of two changeover portions constantly expands downwards, and engaging section is cylinder, engage the both ends of section respectively with First Transition section and
Second changeover portion is connected.
Further improved as the utility model, the cross section of the First Transition section and the second changeover portion is
Waist is trapezoidal.
Further improved as the utility model, the diameter of the engaging section is less than the straight of First Transition section lower face
Footpath, and no more than the diameter of the second changeover portion upper surface.
Further improved as the utility model, the diameter of the engaging section is equal to the straight of the second changeover portion upper surface
Footpath.
Further improved as the utility model, the top of the installation shoulder is provided with the shield segment of truncated cone-shaped, prevents
Smoothly transit between shield section and installation shoulder.
Further improved as the utility model, the fixed section, strengthening segment and profiled section composition diameter dimension according to
The multidiameter structure of secondary reduction, and be that arc smoothly transits between each section.
3. beneficial effect
Using technical solution provided by the utility model, compared with prior art, have the advantages that：
(1) a kind of high intensity of the utility model, anti abrasive pierce punch, the free end of profiled section are provided with and its end
Face is with preforming section of the taper of circle, and preforming section of cross section is isosceles triangle, and punch is preforming when being punched out processing
Duan Shouxian realizes point contact with workpiece to be added, effectively reduces the contact area between punch and workpiece to be added, increases its punching press
Intensity, breaks shaping beneficial to the quick of processing hole, can significantly reduce the abrasion to profiled section, has ensured the processing essence of punch
Degree.
(2) a kind of high intensity of the utility model, anti abrasive pierce punch, preforming section of conical design so that punching
The impact wear that head is subject to effectively reduces, and the service life of punch can extend to three times, avoids replacing the frequent of punch, effectively
The production time is saved, improves production efficiency.
(3) a kind of high intensity of the utility model, anti abrasive pierce punch, preforming section of conical design, can subtract
The reverse stress of Shaochong hole integral device so that small tonnage plants can complete the processing and forming to oversized hole, and production is more
It is flexibly convenient.
(4) a kind of high intensity of the utility model, anti abrasive pierce punch, the top for installing shoulder are provided with truncated cone-shaped
Shield segment, and smoothly transit between shield segment and installation shoulder.The design of shield segment causes the smooth mitigation of circumferential corner angle of installation shoulder,
It is easy to process to pick and place, prevent its edge from causing accidental cuts to employee.
(5) a kind of high intensity of the utility model, anti abrasive pierce punch, the diameter for engaging section are less than First Transition section
The diameter of lower face, and no more than the diameter of the second changeover portion upper surface, engage prominent in the gap and fixing nut on section periphery
Go out portion circumferentially to fasten, and the diameter for engaging section causes the upper and lower ends of protuberance in fixing nut respectively by the first mistake
Cross section and the second changeover portion stops restriction, can effectively prevent up and down play of the punch in fixing nut and left and right from deviating, protect
Hinder punch and fixing nut stablizes cooperation, avoid in process punch there is the phenomenon rocked because of unexpected stress, carry
The processing stability and machining accuracy of high punch.
(6) a kind of high intensity of the utility model, anti abrasive pierce punch, fixed section lower section are provided with strengthening segment, add
Strong section can effectively strengthen the overall construction intensity of punch as the linkage section between fixed section and profiled section, strengthening segment it is straight
Footpath is more than the diameter of profiled section, and the design of strengthening segment causes in the case where meeting processing request, and the length of profiled section is effective
Shorten, avoid shaping segment lenght long, so as to prevent its forced breakage in punch process, improve the structural strength of profiled section.
Brief description of the drawings
Fig. 1 is a kind of high intensity of the utility model, the structure diagram of anti abrasive pierce punch；
Fig. 2 is a kind of high intensity, the schematic top plan view of anti abrasive pierce punch of the utility model；
Fig. 3 is the partial enlargement structural representation at A in Fig. 1.
Label declaration in schematic diagram：The 101st, shoulder is installed；102nd, fixed section；103rd, shield segment；104th, First Transition section；
105th, section is engaged；106th, the second changeover portion；2nd, strengthening segment；301st, profiled section；302nd, preforming section.
Embodiment
To further appreciate that the content of the utility model, the utility model is described in detail with reference to attached drawing.
With reference to embodiment, the utility model will be further described.
Embodiment 1
As shown in Figure 1, Figure 2, Figure 3 shows, a kind of high intensity of the present embodiment, anti abrasive pierce punch, including be sequentially connected
Clamping section, strengthening segment 2 and profiled section 301, wherein clamping section includes installation shoulder 101, positioning section and fixed section 102, installs shoulder
101 top is provided with the shield segment 103 of truncated cone-shaped, and smoothly transits between shield segment 103 and installation shoulder 101.Shield segment
103 design causes the smooth mitigation of circumferential corner angle of installation shoulder 101, easy to process to pick and place, and prevents its edge from causing to anticipate to employee
Outer incised wound.
Positioning section includes First Transition section 104, engaging 105 and second changeover portion 106 of section, First Transition section in the present embodiment
104 and second changeover portion 106 be truncated cone-shaped structure, and the cross section of 104 and second changeover portion 106 of First Transition section is
Isosceles trapezoid.As shown in figure 3, First Transition section 104 is the inverted round stage structure that area of section is constantly shunk downwards, the second changeover portion
106 be the downward ever-expanding positive frustum cone structure of area of section, and engaging section 105 is cylinder, the both ends difference of engaging section 105
It is connected with 104 and second changeover portion 106 of First Transition section.
The diameter that section 105 is engaged in the present embodiment is less than the diameter of 104 lower face of First Transition section, and is not more than the second mistake
The diameter of 106 upper surface of section is crossed, the diameter for specially engaging section 105 is equal to the diameter of 106 upper surface of the second changeover portion.Punching
Punch using when be mounted in fixing nut and be used cooperatively, the use of the cooperation accuracy of punch and fixing nut for punch
Performance is most important.
Positioning section in the present embodiment can realize the precise match with fixing nut, 104 and second mistake of First Transition section
Cross that the gradient of section 106 is corresponding with the structural fall in fixing nut, especially engage the gap on 105 periphery of section and fixed spiral shell
Protuberance in mother circumferentially fastens, and the diameter for engaging section 105 enables the protuberance in fixing nut to be embedded in
In the outer gap of the engaging section 105, the upper and lower ends of the protuberance are respectively by 104 and second changeover portion 106 of First Transition section
Stop and limit, can effectively prevent up and down play of the punch in fixing nut and left and right from deviating, ensure punch and fixing nut
Stablize cooperation, avoid in process punch there is the phenomenon rocked because of unexpected stress, improve punch processing stablize
Property and machining accuracy, and reduce because punch rocks it is extra caused by process abrasion, improve the service life of punch.
The lower section of fixed section 102 is provided with strengthening segment 2 in the present embodiment, and the lower section of strengthening segment 2 is profiled section 301, fixed section
102nd, strengthening segment 2 and profiled section 301 form the multidiameter structure that diameter dimension is sequentially reduced, and are that arc is smooth between each section
Transition.The size and shape that profiled section 301 is used for hole to machined part is processed shaping, strengthening segment 2 as fixed section 102 and
Linkage section between profiled section 301, can effectively strengthen the overall construction intensity of punch, and the diameter of strengthening segment 2 is more than profiled section
301 diameter, and the design of strengthening segment 2 causes in the case where meeting processing request, the length of profiled section 301 effectively shortens,
Avoid 301 length of profiled section long, so as to prevent its forced breakage in punch process, improve the structural strength of profiled section 301,
Strengthen its stability in use and service life.
What deserves to be explained is in the present embodiment the free end of profiled section 301 be provided with its end face with circle taper in advance into
Type section 302, preforming section 302 of cross section is isosceles triangle, and the apex angle α of the isosceles triangle is 90 °.Punch is carrying out
During punching processing, preforming section 302 is realized point contact with workpiece to be added first, is effectively reduced between punch and workpiece to be added
Contact area, increases its punching press intensity, breaks shaping beneficial to the quick of processing hole, and can significantly reduce to profiled section 301
Abrasion, i.e., preforming section 302 break pre- to workpiece progress first is molded just hole, then gradually increases contact area, gradually right
First hole carries out extending out shaping, is finally processed into the hole for meeting production requirement.
Preforming section 302 of conical design in the present embodiment, does the face contact impact between traditional punch and workpiece
Go out to change, be adjusted to point contact impact holes first, then progressively transition is face contact moudling so that the impact grinding that punch is subject to
Damage effectively reduces, and especially significantly reduces the abrasion that profiled section 301 is subject to, has ensured the machining accuracy of punch, improves punching
The service life (through production practices, the service life of punch can extend to three times) of head, avoids replacing the frequent of punch, effectively
The production time is saved, improves production efficiency.And using the present embodiment punch, it is possible to reduce punching integral device it is reverse by
Power so that small tonnage plants can complete the processing and forming to oversized hole, and production is more flexible convenient.
It should be noted that preforming section 302 of conical design in the present embodiment, helps to treat by its cone point
The machining position of workpiece is positioned, and further ensures its machining precision；Secondly, preforming section 302 of conical design, also has
Help reduce production noise, improve in-situ production environment.Traditional punching processing due to serious wear cause produce noise it is larger,
Influence employee operating environment, and use the present embodiment punch processing when, due to workpiece to be added for point portion concussion fracture progressively
Transition, the production noise of generation significantly reduce, and improve the operating environment of employee.
Embodiment 2
A kind of high intensity of the present embodiment, anti abrasive pierce punch, its basic structure with embodiment 1, the difference is that
Preforming section 302 of cross section is isosceles triangle in the present embodiment, and the apex angle α of the isosceles triangle is 60 °.
Embodiment 3
A kind of high intensity of the present embodiment, anti abrasive pierce punch, its basic structure with embodiment 1, the difference is that
Preforming section 302 of cross section is isosceles triangle in the present embodiment, and the apex angle α of the isosceles triangle is 120 °.
Schematically the utility model and embodiments thereof are described above, this describes no restricted, attached drawing
Shown in be also the utility model one of embodiment, actual structure is not limited thereto.So if this area
Those of ordinary skill enlightened by it, without deviating from the purpose of the present invention, not inventively design
The frame mode similar to the technical solution and embodiment, all should belong to the protection range of the utility model.
Claims (8)
1. a kind of high intensity, anti abrasive pierce punch, it is characterised in that：Including be sequentially connected clamping section, strengthening segment (2) and
Profiled section (301), the clamping section include installation shoulder (101), positioning section and fixed section (102), strengthening segment (2) and are located at fixed section
(102) lower section, the free end of profiled section (301) are provided with the taper preforming section (302) with circle with its end face, preforming section
(302) cross section is isosceles triangle, and the apex angle α of the isosceles triangle is 60 °~120 °.
2. a kind of high intensity according to claim 1, anti abrasive pierce punch, it is characterised in that：Above-mentioned isoceles triangle
The apex angle α of shape is 90 °.
3. a kind of high intensity according to claim 1, anti abrasive pierce punch, it is characterised in that：The positioning section bag
Include First Transition section (104), engaging section (105) and the second changeover portion (106), First Transition section (104) and the second changeover portion
(106) it is truncated cone-shaped structure, the area of section of First Transition section (104) is constantly shunk downwards, and the second changeover portion (106) is cut
Face area constantly expands downwards, engaging section (105) be cylinder, engage section (105) both ends respectively with First Transition section (104)
It is connected with the second changeover portion (106).
4. a kind of high intensity according to claim 3, anti abrasive pierce punch, it is characterised in that：The First Transition
The cross section of section (104) and the second changeover portion (106) is isosceles trapezoid.
5. a kind of high intensity according to claim 4, anti abrasive pierce punch, it is characterised in that：The engaging section
(105) diameter is less than the diameter of First Transition section (104) lower face, and straight no more than the second changeover portion (106) upper surface
Footpath.
6. a kind of high intensity according to claim 5, anti abrasive pierce punch, it is characterised in that：The engaging section
(105) diameter is equal to the diameter of the second changeover portion (106) upper surface.
7. a kind of high intensity according to claim 1, anti abrasive pierce punch, it is characterised in that：The installation shoulder
(101) top is provided with the shield segment (103) of truncated cone-shaped, smoothly transits between shield segment (103) and installation shoulder (101).
8. according to a kind of high intensity of claim 1~7 any one of them, anti abrasive pierce punch, it is characterised in that：It is described
The multidiameter structure that fixed section (102), strengthening segment (2) and profiled section (301) composition diameter dimension are sequentially reduced, and between each section
It is that arc smoothly transits.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720592662.1U CN207222692U (en) | 2017-05-25 | 2017-05-25 | A kind of high intensity, anti abrasive pierce punch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720592662.1U CN207222692U (en) | 2017-05-25 | 2017-05-25 | A kind of high intensity, anti abrasive pierce punch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207222692U true CN207222692U (en) | 2018-04-13 |
Family
ID=61839352
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720592662.1U Expired - Fee Related CN207222692U (en) | 2017-05-25 | 2017-05-25 | A kind of high intensity, anti abrasive pierce punch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207222692U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109909388A (en) * | 2018-12-18 | 2019-06-21 | 广东龙丰精密铜管有限公司 | A kind of reduced copper capillary tube or pipe fitting high-efficiency high-accuracy processing tool and processing technology |
| CN109940087A (en) * | 2018-09-11 | 2019-06-28 | 奇瑞汽车股份有限公司 | Hole flanging mold and the mold are rushed by the method for embryo material machine-shaping |
-
2017
- 2017-05-25 CN CN201720592662.1U patent/CN207222692U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109940087A (en) * | 2018-09-11 | 2019-06-28 | 奇瑞汽车股份有限公司 | Hole flanging mold and the mold are rushed by the method for embryo material machine-shaping |
| CN109909388A (en) * | 2018-12-18 | 2019-06-21 | 广东龙丰精密铜管有限公司 | A kind of reduced copper capillary tube or pipe fitting high-efficiency high-accuracy processing tool and processing technology |
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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 |
Granted publication date: 20180413 Termination date: 20190525 |
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| CF01 | Termination of patent right due to non-payment of annual fee |