CN105251865B - Punching die - Google Patents
Punching die Download PDFInfo
- Publication number
- CN105251865B CN105251865B CN201510786128.XA CN201510786128A CN105251865B CN 105251865 B CN105251865 B CN 105251865B CN 201510786128 A CN201510786128 A CN 201510786128A CN 105251865 B CN105251865 B CN 105251865B
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- CN
- China
- Prior art keywords
- punching
- core
- die
- slide block
- punch
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/24—Perforating, i.e. punching holes
- B21D28/34—Perforating tools; Die holders
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/24—Perforating, i.e. punching holes
- B21D28/28—Perforating, i.e. punching holes in tubes or other hollow bodies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
- B21D37/12—Particular guiding equipment, e.g. pliers; Special arrangements for interconnection or cooperation of dies
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mounting, Exchange, And Manufacturing Of Dies (AREA)
- Punching Or Piercing (AREA)
Abstract
The present invention provides a kind of punching die, belong to field of die equipment, the punch forming in multiple holes on metal pipe material, including upper mold seat, die holder, die shank, punch-pin, cavity plate, guide post and guide sleeve, punch-pin is installed on the lower surface of upper mold seat, cavity plate is installed on the upper surface of die holder, and punch-pin has multiple punching portions, and multiple punching portions are arranged at intervals along the extending direction of the cavity of cavity plate；Punching die further includes angled-lift splits core-pulling mechanism, and angled-lift splits core-pulling mechanism includes core-pulling slide block, and multiple second forming holes are provided with core-pulling slide block, and when punching die molds, core-pulling slide block extracts the cavity of cavity plate out；When punching die molds, core-pulling slide block is inserted into the cavity of cavity plate, makes multiple second forming holes correspond in multiple punching portions.When the punching die carries out the punching press in multiple holes, metal pipe material is unlikely to deform, and the Forming Quality in hole is high, improves the efficiency of processing, saves processing cost.
Description
Technical field
The present invention relates to field of die equipment, in particular to a kind of punching die.
Background technology
If mechanical processing produce in usually need metal pipe material side-wall hole either groove using bore or milling add
Work, its heavy workload, work efficiency are low and dangerous.Using piercing die punch press process, productivity, and product can be improved
Stable quality, it is safe, but existing piercing die, there are some defects, existing piercing die only has a punch-pin, once
Punching press can only rush a hole, if at punching press continuously multiple holes on metal pipe material, be needed using the piercing die of the prior art
The punch forming in multiple holes could be completed by repeating puncture motion.
Inventor has found that the stamping die of the prior art for carrying out multiple holes at least has the disadvantage that under study for action：
One, when carrying out the punching press of continuous aperture, the metal pipe material between adjacent hole easily deforms, and causes punching to be lost
Lose or of poor quality, the waste of materials of punching, and add cost；
Secondly, existing piercing die, it is necessary to repeat installation metal pipe material, reduce production effect when carrying out the punching press in multiple holes
Rate, while the error of installation is added again, and then the punching precision in hole is low, the qualification rate of product declines, and adds cost；
Third, in order to ensure the precision of punching, it is necessary to set extra detent mechanism, mould structure is complicated, adds mould
The manufacture cost of tool.
The content of the invention
It is an object of the invention to provide a kind of punching die, metal pipe material during improving the stamping die punching of the prior art
The problem of easily deforming and the quality in hole be low, reducing product qualification rate.
What the present invention was realized in：
Based on above-mentioned purpose, the present invention provides a kind of punching die, the punch forming in multiple holes on metal pipe material,
The multiple hole is arranged at intervals along the axial direction of the metal pipe material, and the axial line in the multiple hole is generally aligned in the same plane
It is interior, including upper mold seat, die holder, die shank, punch-pin, cavity plate, guide post and guide sleeve, wherein：
The punch-pin is installed on the lower surface of the upper mold seat, and the cavity plate is installed on the upper surface of the die holder, institute
Stating punch-pin has multiple punching portions, and the multiple punching portion is arranged at intervals along the extending direction of the cavity of the cavity plate；It is described recessed
Mould is provided with multiple first forming holes, and the multiple first forming hole is corresponded with the multiple punching portion and set；
The punching die further includes angled-lift splits core-pulling mechanism, and the angled-lift splits core-pulling mechanism includes core-pulling slide block, described
Multiple second forming holes are provided with core-pulling slide block, when the punching die molds, the core-pulling slide block extracts the cavity plate out
Cavity；During the punching die molding, the core-pulling slide block is inserted into the cavity of the cavity plate, makes the multiple second forming hole one
One corresponds to the multiple punching portion.
Preferably, the punching portion has installation end and the punching end for punching, and the diameter at the punching end is less than
The diameter of the installation end, the punching end are coaxially disposed with the installation end.
Preferably, the angled-lift splits core-pulling mechanism further includes hydraulic drive mechanism, the output terminal of the hydraulic drive mechanism
The core-pulling slide block is fixedly connected with, the hydraulic drive mechanism is used to drive the core-pulling slide block back and forth to slide relative to the cavity plate
It is dynamic.
Preferably, the angled-lift splits core-pulling mechanism further includes inclined guide pillar, and the inclined guide pillar is installed on the upper mold seat, described
Inclined guide pillar is slidably connected with the core-pulling slide block.
Preferably, the punching die also has mounting base, and the mounting base is installed on the upper surface of the die holder, institute
State and sliding slot is additionally provided with the top of mounting base, the core-pulling slide block is located in the sliding slot, and the core-pulling slide block and the cunning
Groove is slidably connected.
Preferably, the angled-lift splits core-pulling mechanism further includes limit assembly, and the limit assembly is installed on the mounting base,
The limit assembly is used to prevent the core-pulling slide block from skidding off the sliding slot outwardly.
Preferably, the limit assembly includes baffle, gag lever post and spring, wherein, the baffle is fixedly installed in institute
Mounting base is stated, for the plate face of the baffle perpendicular to the plate face of the die holder, the gag lever post passes perpendicularly through the baffle, described
Gag lever post can be relative to the barrier slides along its axial direction；One end of the gag lever post is fixed with the core-pulling slide block to be connected
Connect, the other end of the gag lever post is bolted with nut；The spring is set on the gag lever post, and the spring is located at the spiral shell
Between cap and the baffle, and the both ends of the spring are individually fixed in the nut and the baffle.
Preferably, the first backing plate is provided between the cavity plate and the die holder.
Preferably, the second backing plate is provided between the die holder and the punch-pin.
Preferably, buffer spring is arranged with the guide post, the buffer spring is located at the guide sleeve and the die holder
Between.
The beneficial effects of the invention are as follows：
In conclusion punching die provided by the invention, the structure of the punching die is simple, convenient processing and manufacture, manufacture
Cost is low；Meanwhile during the punching press in the multiple holes of punching die progress, metal pipe material is unlikely to deform, the Forming Quality in hole is high, improves
The efficiency of processing, saves processing cost.It is specific as follows：
The punching die includes punch-pin and cavity plate, and punch-pin and cavity plate are respectively arranged on upper mold seat and die holder,
The punching processing of metal pipe material is completed by the moving process of mould.There are multiple punching portions on punch-pin, punching portion is used for punching,
The quantity in punching portion is designed according to actual conditions, convenient processing and manufacture, easy to the punching of the mental section of different size, improves life
Produce efficiency.Meanwhile the punching die also has angled-lift splits core-pulling mechanism, the angled-lift splits core-pulling mechanism includes core-pulling slide block, institute
State the impact force that metal pipe material is subject to when core-pulling slide block is used to carry punch-pin work.That is, in clamping process, the work of core-pulling slide block
In the tube chamber for stretching into metal pipe material as end, during the downward punching press of punch-pin, the power of the pressing part of punch-pin is acted on metal pipe material, then
Core-pulling slide block is transmitted the force to by metal pipe material, metal pipe material is subject to uniform impact force, metal pipe material is not easy towards tube chamber
Radial direction deform inwardly.After the completion of punching, metal pipe material does not deform upon, does not interfere with the use of metal pipe material, meanwhile,
The quality of punching is high, reduces follow-up processing capacity, improves production efficiency.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it will be appreciated that the following drawings illustrate only certain embodiments of the present invention, therefore be not construed as pair
The restriction of scope, for those of ordinary skill in the art, without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the front view of punching die provided by the invention；
Fig. 2 is the side view of punching die provided by the invention；
Fig. 3 is the sectional view of the mounting base of punching die provided by the invention；
Fig. 4 is the installation diagram of the angled-lift splits core-pulling mechanism of punching die provided by the invention；
Fig. 5 is the top view of the cavity plate of punching die provided by the invention.
Reference numeral collects：
Upper mold seat 200, die holder 300, die shank 400, punch-pin 500, cavity plate 600, guide post 700, guide sleeve 800,
Punching portion 101, core-pulling slide block 102, inclined guide pillar 103, hydraulic drive mechanism 104, the first forming hole 105, the second one-tenth
Type hole 106,
Mounting base 201, sliding slot 202, baffle 203, gag lever post 204, spring 205, the first backing plate 206, the second backing plate 207,
Buffer spring 301.
Embodiment
Using piercing die punch press process, productivity can be improved, and product quality is stablized, it is safe, but it is existing
Piercing die there are some defects, existing piercing die only has a punch-pin, and a punching press can only rush a hole, if in metal
On tubing punching press continuously multiple holes when, it is necessary to repeat installation metal pipe material, reduce production efficiency, while add installation again
Error, and then the punching precision in hole is low, and the qualification rate of product declines, and adds cost.
In consideration of it, the designer of the present invention devises a kind of punching die, when being punched out, core-pulling slide block is located at metal tube
In the tube chamber of material, during the downward punching press of punch-pin, core-pulling slide block can bear the power that punch-pin is applied on metal pipe material, and metal pipe material is not
Easily deform, do not interfere with the quality of punching, can the multiple holes of one-pass molding, improve the efficiency of production.
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, the technical solution in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
Part of the embodiment of the present invention, instead of all the embodiments.The present invention implementation being usually described and illustrated herein in the accompanying drawings
The component of example can be arranged and designed with a variety of configurations.Therefore, the reality of the invention to providing in the accompanying drawings below
The detailed description for applying example is not intended to limit the scope of claimed invention, but is merely representative of the selected implementation of the present invention
Example.Based on the embodiments of the present invention, those of ordinary skill in the art are obtained without creative efforts
Every other embodiment, belongs to the scope of protection of the invention.
It should be noted that：Similar label and letter represents similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent attached drawing in a attached drawing.
In the description of the present invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer ", " up time
The orientation or position relationship of the instruction such as pin ", " counterclockwise " are based on orientation shown in the drawings or position relationship, are for only for ease of
Description is of the invention to be described with simplified, rather than the equipment or element of instruction or hint meaning must be with specific orientation, Yi Te
Fixed azimuth configuration and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are only used for description purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed or
Implicitly include one or more this feature.In the description of the present invention, " multiple " are meant that two or more,
Unless otherwise specifically defined.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " fixation " etc.
Term should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally；Can be that machinery connects
Connect or be electrically connected；It can be directly connected, can also be indirectly connected by intermediary, can be in two elements
The connection in portion or the interaction relationship of two elements.For the ordinary skill in the art, can be according to specific feelings
Condition understands the concrete meaning of above-mentioned term in the present invention.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or it " under "
Can directly it be contacted including the first and second features, it is not directly to contact but pass through it that can also include the first and second features
Between other characterisation contact.Moreover, fisrt feature second feature " on ", " top " and " above " to include first special
Sign is directly over second feature and oblique upper, or is merely representative of fisrt feature level height and is higher than second feature.Fisrt feature exists
Second feature " under ", " lower section " and " following " fisrt feature that includes are immediately below second feature and obliquely downward, or be merely representative of
Fisrt feature level height is less than second feature.
- 5 are please referred to Fig.1, wherein, schematic diagrames of the Fig. 4 only for the installation of expression angled-lift splits core-pulling mechanism in a mold, because
This, illustrate only the part-structure of mould.A kind of punching die is present embodiments provided, multiple holes rushes on metal pipe material
Molded, the multiple hole is arranged at intervals along the axial direction of the metal pipe material, and the axial line in the multiple hole is positioned at same
In one plane, including upper mold seat 200, die holder 300, die shank 400, punch-pin 500, cavity plate 600, guide post 700 and guide sleeve 800,
Wherein：
The punch-pin 500 is installed on the lower surface of the upper mold seat 200, and the cavity plate 600 is installed on the die holder 300
Upper surface, the punch-pin 500 has multiple punching portions 101, and the multiple punching portion 101 is along the cavity of the cavity plate 600
Extending direction is arranged at intervals；The cavity plate 600 is provided with multiple first forming holes 105, the multiple first forming hole 105 and institute
State multiple punching portions 101 and correspond setting；
The punching die further includes angled-lift splits core-pulling mechanism, and the angled-lift splits core-pulling mechanism includes core-pulling slide block 102, institute
State and multiple second forming holes 106 are provided with core-pulling slide block 102, when the punching die molds, the core-pulling slide block 102 is extracted out
The cavity of the cavity plate 600；During the punching die molding, the core-pulling slide block 102 is inserted into the cavity of the cavity plate 600, order
The multiple second forming hole 106 is corresponded in the multiple punching portion 101.
Punching die provided in this embodiment, the structure of the punching die is simple, convenient processing and manufacture, and manufacture cost is low；
Meanwhile during the punching press in the multiple holes of punching die progress, metal pipe material is unlikely to deform, the Forming Quality in hole is high, improves processing
Efficiency, save processing cost.It is specific as follows：
The punching die includes upper mold seat 200, die holder 300 and die shank 400, meanwhile, which further includes punch-pin
500 and cavity plate 600, punch-pin 500 and cavity plate 600 be respectively arranged on upper mold seat 200 and die holder 300, actual processing
When, for the ease of the maintenance and replacement of punch-pin 500, cavity plate 600, connected using screw, the quantity of screw is selected according to actual conditions
Select, be preferably arranged to, the surrounding of the punch-pin 500 and the cavity plate 600 is fixedly connected by screw respectively, fixed form
It is simple and reliable, sound construction.
The punching processing of metal pipe material is completed by the moving process of mould.There are multiple punching portions 101 on punch-pin 500,
Punching portion 101 is used for punching, and the quantity in punching portion 101, convenient processing and manufacture, easy to different size are designed according to actual conditions
The punching of mental section, improves production efficiency.Meanwhile the punching die also has angled-lift splits core-pulling mechanism, the angled-lift splits is taken out
Core mechanism includes core-pulling slide block 102, and the core-pulling slide block 102 is used to carry the impact that metal pipe material is subject to when punch-pin 500 works
Power.That is, in clamping process, the working end of core-pulling slide block 102 is stretched into the tube chamber of metal pipe material, during 500 downward punching press of punch-pin,
The power of the pressing part of punch-pin 500 is acted on metal pipe material, is then transmitted the force to core-pulling slide block 102 by metal pipe material, is made gold
Belong to tubing and be subject to uniform impact force, metal pipe material is not easy to deform inwardly towards the radial direction of tube chamber.After the completion of punching, metal
Tubing does not deform upon, does not interfere with the use of metal pipe material, meanwhile, the quality of punching is high, reduces follow-up processing capacity, improves
Production efficiency.
In the preferred solution of the embodiment, the punching portion 101 has installation end and the punching end for punching, described
The diameter at punching end is less than the diameter of the installation end, and the punching end is coaxially disposed with the installation end.During actual processing, institute
State punch-pin 500 to be made of GCr15 steel, intensity is high, is not easily broken；Meanwhile punch-pin 500 be designed as it is stepped, punch-pin 500 it is firm
Degree is high, is not easily broken.
In the preferred solution of the embodiment, the angled-lift splits core-pulling mechanism further includes hydraulic drive mechanism 104, the hydraulic pressure
The output terminal of driving mechanism 104 is fixedly connected with the core-pulling slide block 102, and the hydraulic drive mechanism 104 is used to drive the pumping
Core sliding block 102 reciprocatingly slides relative to the cavity plate 600.The movement of core-pulling slide block 102 is driven by hydraulic drive mechanism 104,
Type of drive is safe and reliable, and die sinking and clamping process are more convenient.Hydraulic drive mechanism 104 includes hydraulic cylinder and piston,
It is the prior art, and the present embodiment is not improved its structure, therefore without being described in detail.
In the preferred solution of the embodiment, the angled-lift splits core-pulling mechanism further includes inclined guide pillar 103, the inclined guide pillar 103
The upper mold seat 200 is installed on, the inclined guide pillar 103 is slidably connected with the core-pulling slide block 102, is oriented to using inclined guide pillar 103,
Core-pulling slide block 102 is extracted out from the tube chamber of metal pipe material automatically during die sinking, and during molding, core-pulling slide block 102 stretches into metal pipe material
In tube chamber, whole process is easy to operate, improves production efficiency.
In actual processing, for the ease of the installation of angled-lift splits core-pulling mechanism, in the preferred solution of the embodiment, the punching
Punch die also has mounting base 201, and the mounting base 201 is installed on the upper surface of the die holder 300, the mounting base 201
Top be additionally provided with sliding slot 202, the core-pulling slide block 102 is located in the sliding slot 202, and the core-pulling slide block 102 and institute
Sliding slot 202 is stated to be slidably connected.Mounting base 201 is installed on the die holder 300, it is not necessary to pacified on die holder 300
Fill seat 201 processing, die holder 300 it is easy to process；Meanwhile mounting base 201 is installed on die holder 300 using screw,
201 convenient disassembly of mounting base, is conveniently replaceable and repairs.Sliding slot 202 is provided with mounting base 201, easy to core-pulling slide block 102
Positioning, core-pulling slide block 102 slide more accurate in sliding slot 202.It is preferably arranged to, the sliding slot 202 and the core-pulling slide block
102 match somebody with somebody is combined into oat tail groove structure, for the ease of processing, can also use the cooperation of T-slot.
In the preferred solution of the embodiment, the angled-lift splits core-pulling mechanism further includes limit assembly, the limit assembly peace
Loaded on the mounting base 201, the limit assembly is used to prevent the core-pulling slide block 102 from skidding off the sliding slot 202 outwardly.Core pulling
Sliding block 102 is safer when sliding, and reduces the number of maintenance and maintenance, saves manpower and materials.
In the preferred solution of the embodiment, the limit assembly includes baffle 203, gag lever post 204 and spring 205, its
In, the baffle 203 is fixedly installed in the mounting base 201, and the plate face of the baffle 203 is perpendicular to the die holder 300
Plate face, the gag lever post 204 pass perpendicularly through the baffle 203, and the gag lever post 204 can be relative to the gear along its axial direction
Plate 203 slides；One end of the gag lever post 204 is fixedly connected with the core-pulling slide block 102, the other end of the gag lever post 204
It is bolted with nut；The spring 205 is set on the gag lever post 204, and the spring 205 is located at the nut and the baffle
Between 203, and the both ends of the spring 205 are individually fixed in the nut and the baffle 203.Good limit effect, meanwhile,
In die sinking and clamping process, spring 205 has pulling force, easy to the movement of core-pulling slide block 102, and core-pulling slide block 102 with tiltedly
Guide post 103 is subject to the elastic force of spring 205 to act on, and core-pulling slide block 102 coordinates even closer with inclined guide pillar 103.
In the preferred solution of the embodiment, the first backing plate 206 is provided between the cavity plate 600 and the die holder 300,
Further, it is provided with the second backing plate 207 between the punch-pin 500 and the upper mold seat 200, in clamping process, upper mold seat 200
Very big impact force is produced between die holder 300, backing plate can reduce impact force, increase the service life of mould.
In the preferred solution of the embodiment, buffer spring 301, the buffer spring 301 are arranged with the guide post 700
Between the guide sleeve 800 and the die holder 300, impact force during molding can be further reduced, increases the use of mould
Service life.During specific processing, buffer spring 301 is respectively arranged with each guide post 700, when whole stamping die is molded, molded
It is more uniformly stressed, ensure that the precision of punching.
The foregoing is only a preferred embodiment of the present invention, is not intended to limit the invention, for the skill of this area
For art personnel, the invention may be variously modified and varied.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should all be included in the protection scope of the present invention.
Claims (7)
1. a kind of punching die, the punch forming in multiple holes on metal pipe material, the multiple hole is along the metal pipe material
Axial direction is arranged at intervals, and in the axial line in the multiple hole is generally aligned in the same plane, it is characterised in that including upper mold seat, under
Die holder, die shank, punch-pin, cavity plate, guide post and guide sleeve, wherein：
The punch-pin is installed on the lower surface of the upper mold seat, and the cavity plate is installed on the upper surface of the die holder, described convex
Mould has multiple punching portions, and the multiple punching portion is arranged at intervals along the extending direction of the cavity of the cavity plate；The cavity plate is set
Multiple first forming holes are equipped with, the multiple first forming hole is corresponded with the multiple punching portion and set；
The punching die further includes angled-lift splits core-pulling mechanism, and the angled-lift splits core-pulling mechanism includes core-pulling slide block, the core pulling
Multiple second forming holes are provided with sliding block, when the punching die molds, the core-pulling slide block extracts the cavity of the cavity plate out；
During the punching die molding, the core-pulling slide block is inserted into the cavity of the cavity plate, makes the multiple second forming hole one a pair of
Should be in the multiple punching portion；
The punching portion has installation end and the punching end for punching, and the diameter at the punching end is less than the installation end
Diameter, the punching end are coaxially disposed with the installation end；
The angled-lift splits core-pulling mechanism further includes inclined guide pillar, and the inclined guide pillar is installed on the upper mold seat, the inclined guide pillar and institute
Core-pulling slide block is stated to be slidably connected.
2. punching die according to claim 1, it is characterised in that the punching die also has mounting base, the peace
Dress seat is installed on the upper surface of the die holder, is additionally provided with sliding slot at the top of the mounting base, the core-pulling slide block is located at institute
State in sliding slot, and the core-pulling slide block is slidably connected with the sliding slot.
3. punching die according to claim 2, it is characterised in that the angled-lift splits core-pulling mechanism further includes spacing group
Part, the limit assembly are installed on the mounting base, and the limit assembly is for preventing that it is described that the core-pulling slide block from skidding off outwardly
Sliding slot.
4. punching die according to claim 3, it is characterised in that the limit assembly include baffle, gag lever post and
Spring, wherein, the baffle is fixedly installed in the mounting base, the plate face of the baffle perpendicular to the die holder plate face,
The gag lever post passes perpendicularly through the baffle, and the gag lever post can be relative to the barrier slides along its axial direction；The limit
One end of position bar is fixedly connected with the core-pulling slide block, and the other end of the gag lever post is bolted with nut；The spring is set in
On the gag lever post, the spring is between the nut and the baffle, and the both ends of the spring are individually fixed in institute
State nut and the baffle.
5. punching die according to claim 1, it is characterised in that is provided between the cavity plate and the die holder
One backing plate.
6. punching die according to claim 5, it is characterised in that is provided between the die holder and the punch-pin
Two backing plates.
7. punching die according to claim 6, it is characterised in that buffer spring is arranged with the guide post, it is described slow
Spring is rushed between the guide sleeve and the die holder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510786128.XA CN105251865B (en) | 2015-11-16 | 2015-11-16 | Punching die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510786128.XA CN105251865B (en) | 2015-11-16 | 2015-11-16 | Punching die |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105251865A CN105251865A (en) | 2016-01-20 |
| CN105251865B true CN105251865B (en) | 2018-05-11 |
Family
ID=55091961
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510786128.XA Expired - Fee Related CN105251865B (en) | 2015-11-16 | 2015-11-16 | Punching die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105251865B (en) |
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| CN205270545U (en) * | 2015-11-16 | 2016-06-01 | 重庆持恒模具有限公司 | Punching die |
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| CN204673950U (en) * | 2015-04-13 | 2015-09-30 | 温州职业技术学院 | A kind of Angle Pin spring core-pulling sliding block mechanism |
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| CN105251865A (en) | 2016-01-20 |
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