CN107243562A - A kind of punch stretching mould - Google Patents
A kind of punch stretching mould Download PDFInfo
- Publication number
- CN107243562A CN107243562A CN201710597968.0A CN201710597968A CN107243562A CN 107243562 A CN107243562 A CN 107243562A CN 201710597968 A CN201710597968 A CN 201710597968A CN 107243562 A CN107243562 A CN 107243562A
- Authority
- CN
- China
- Prior art keywords
- pendulum
- mould
- push rod
- contract
- holding pad
- 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.)
- Pending
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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
- 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
-
- 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
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/20—Deep-drawing
- B21D22/22—Deep-drawing with devices for holding the edge of the blanks
-
- 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
- B21D45/00—Ejecting or stripping-off devices arranged in machines or tools dealt with in this subclass
- B21D45/02—Ejecting devices
- B21D45/04—Ejecting devices interrelated with motion of tool
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Abstract
The present invention relates to a kind of punch stretching mould, the lower mould matched including upper mould and with the upper mould, the upper plate of the upper mould is provided with holding pad, the holding pad is located on the dynamic position concentrated of stamping plate stream in the upper plate, the holding pad is provided with the push rod placed vertically, the top of the push rod is fixed on the holding pad, the edge of the hanging and close lower mould in the bottom of the push rod, the edge of the lower mould is provided with blank holder, the lower mould is provided with the pendulum opportunity structure for being used for withstanding the push rod, and the pendulum opportunity structure is close to the blank holder, during the upper die and lower die matched moulds, the pendulum opportunity structure withstands the push rod.The present invention is while ensureing that the normal production of mould does not weigh stamping parts wounded, due to the holding pad in the dynamic position design excessively concentrated of stamping plate stream, stamping parts is molded in the state of compression, it is ensured that the uniformity of material flowing, the problem of stamping parts wrinkles is solved well.
Description
Technical field
The present invention relates to a kind of mould, and in particular to a kind of punch stretching mould.
Background technology
In the drawing operation of stamping parts, for the place of the more complicated not easy-formation in type face, casting die is being carried out to stamping parts
When, easily there is the phenomenon for wrinkling or rupturing in plate, and drawing plate forming phenomenon not in place, these problems also occurs
Drawing quality can be substantially reduced, can also increase larger workload to field adjustable personnel.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of punch stretching mould, it is ensured that normal production avoids pressure
The problem of stamping parts wrinkles is solved while hindering stamping parts.
The technical scheme that the present invention solves above-mentioned technical problem is as follows：A kind of punch stretching mould, including upper mould and with institute
The lower mould of mould matching is stated, the upper plate of the upper mould is provided with holding pad, and the holding pad is located at punching press in the upper plate
On the position that the flowing of part plate is concentrated, the holding pad is provided with the push rod placed vertically, and the top of the push rod is fixed on institute
State on holding pad, the edge of the hanging and close lower mould in bottom of the push rod, the edge of the lower mould is provided with blank holder,
The lower mould is provided with the pendulum opportunity structure for being used for withstanding the push rod, and the pendulum opportunity structure is close to the blank holder, described
During upper die and lower die matched moulds, the pendulum opportunity structure withstands the push rod.
The beneficial effects of the invention are as follows：The upper plate of a kind of punch stretching mould of the present invention and traditional upper mould is stiff
Structure it is different, present invention holding pad individually designed on upper plate is pressed on the dynamic position concentrated of stamping plate stream, lower mould
Design blank holder；When mould has pressed after stamping parts motion upwards, because top simultaneously occurs in upper molding flitch and lower molding flange
The phenomenon that stamping parts damages stamping parts by pressure, in order to prevent damaging stamping parts by pressure, the binder in design pendulum opportunity structure, control by blank holder
The priority motion of plate and lower blank holder is smooth, it is ensured that upper holding pad starts liftout again after the lower complete jack-up of blank holder is next, does not weigh wounded
Stamping parts；The present invention excessively collects while ensureing that the normal production of mould does not weigh stamping parts wounded due to being moved in stamping plate stream
In the upper holding pad of position design, stamping parts be molded in the state of compression, it is ensured that the uniformity of material flowing, solve well
The problem of stamping parts of having determined wrinkles.
On the basis of above-mentioned technical proposal, the present invention can also do following improvement.
Further, the holding pad is particularly located at the middle part in the upper plate, and just to convex in the middle of stamping parts plate
Mould.
Further, the upper mould be provided be used for the holding pad provide pressure source the first nitrogen spring, it is described under
Mould is provided with the second nitrogen spring for being used for that pressure source to be provided to the blank holder.
Beneficial effect using above-mentioned further scheme is：Blank holder uses nitrogen spring with holding pad, and blank holder exists
Can up it be moved in the presence of nitrogen spring, holding pad can move down in the presence of nitrogen spring.
Further, the pendulum opportunity structure includes pendulum contract, the first pushing unit and the second pushing unit, one end of the pendulum contract
Swingable is fixed on the lower mould, and the other end of the pendulum contract is located at the lower section of the push rod, first pushing unit
It is located at the inner side and outer side of the pendulum contract respectively with the second pushing unit, first pushing unit is used to promote institute in die sinking
State pendulum contract to away from the blank holder direction swing, second pushing unit be used for promoted in matched moulds it is described pendulum contract to by
The direction of the nearly blank holder is swung.
Further, first pushing unit includes the 3rd nitrogen spring and push rod, and the 3rd nitrogen spring is embedded in
In the lower mould, one end of the push rod is connected on the 3rd nitrogen spring, and the other end of the push rod is close to the pendulum
The inner side of contract, the push rod promotes the pendulum contract to away from the blank holder under the driving of the 3rd nitrogen spring during die sinking
Direction swing, make it is described pendulum contract bottom of the other end away from the push rod.
Further, second pushing unit includes sliding block, sliding bearing and the 4th nitrogen spring, and the sliding block passes through institute
Sliding bearing is stated in the lower mould, and one end of the sliding block is also set on the outside of the pendulum contract, the lower mould
There is the 4th nitrogen spring for driving the sliding bearing to slide, the sliding bearing is in the 4th nitrogen during matched moulds
The driving lower band movable slider of spring is slided to close to the direction of the pendulum contract, and makes under the promotion of the sliding block pendulum contract
The other end withstands the bottom of the push rod.
Beneficial effect using above-mentioned further scheme is：Blank holder is up moved in the presence of nitrogen spring, binder
Plate moves down in the presence of nitrogen spring, but now the pendulum contract on blank holder can push push rod by holding pad toward moving down
Dynamic, holding pad is moved down again after blank holder stroke is covered, and such stamping parts would not be weighed wounded, so that time-lag action is played,
And upper mould is due to realizing the shaping under binder state, so as to solve the problems, such as the corrugation of part.
Further, the push rod is provided with two, and two push rods are symmetrically fixed on the holding pad.
Further, the pendulum opportunity structure is provided with two, and two pendulum opportunity structures are symmetrically installed on the lower mould simultaneously
It is corresponding with two push rods respectively, and positioned at two of the blank holder.
Beneficial effect using above-mentioned further scheme is：Push rod and pendulum opportunity structure are equipped with two, and right between them
It should coordinate, it is ensured that upper mould and the uniform force of lower mould time so that upper die and lower die remain parastate in production,
Be conducive to being smoothed out for production.
Brief description of the drawings
Status architecture schematic diagram when Fig. 1 is a kind of punch stretching mould matched moulds of the invention；
Status architecture schematic diagram when Fig. 2 is a kind of punch stretching mould die sinking of the invention.
In accompanying drawing, the list of parts representated by each label is as follows：
1st, holding pad, 2, push rod, 3, blank holder, 4, pendulum contract, the 5, the 3rd nitrogen spring, 6, push rod, 7, sliding block, 8, sliding axle
Hold, the 9, the 4th nitrogen spring.
Embodiment
The principle and feature of the present invention are described below in conjunction with accompanying drawing, the given examples are served only to explain the present invention, and
It is non-to be used to limit the scope of the present invention.
As depicted in figs. 1 and 2, a kind of punch stretching mould, including upper mould and the lower mould that is matched with the upper mould, it is described on
The upper plate of mould is provided with holding pad 1, and the holding pad 1 is located at the dynamic position concentrated of stamping plate stream in the upper plate
On, the holding pad 1 is provided with the push rod 2 placed vertically, and the top of the push rod 2 is fixed on the holding pad 1, the top
The edge of the hanging and close lower mould in the bottom of bar 2, the edge of the lower mould is provided with blank holder 3, and the lower mould is provided with
Pendulum opportunity structure for withstanding the push rod 2, and the pendulum opportunity structure is close to the blank holder 3, in upper die and lower die conjunction
During mould, the pendulum opportunity structure withstands the push rod 2.
In this specific embodiment：The push rod 2 is provided with two, and two push rods 2 are symmetrically fixed on the binder
On plate 1.The pendulum opportunity structure is provided with two, and two pendulum opportunity structures are symmetrically installed on the lower mould, and positioned at described
Two of blank holder 3.
The holding pad 1 is particularly located at the middle part in the upper plate, and just to the punch-pin in the middle of stamping parts plate.
The upper mould is provided with the first nitrogen spring for being used for that pressure source to be provided to the holding pad 1, the lower mould and set
There is the second nitrogen spring for providing pressure source to the blank holder 3.
The pendulum opportunity structure includes pendulum contract 4, the first pushing unit and the second pushing unit, and one end of the pendulum contract 4 can be put
Dynamic is fixed on the lower mould, it is described pendulum contract 4 the other end be located at the push rod 2 lower section, first pushing unit and
Second pushing unit is located at the inner side and outer side of the pendulum contract 4 respectively, and first pushing unit is used to promote institute in die sinking
State pendulum contract 4 to swing to the direction away from the blank holder 3, second pushing unit is used to promote the pendulum contract 4 in matched moulds
Swung to the direction close to the blank holder 3.First pushing unit includes the 3rd nitrogen spring 5 and push rod 6, the described 3rd
Nitrogen spring 5 is embedded in the lower mould, and one end of the push rod 6 is connected on the 3rd nitrogen spring 5, the push rod 6
The other end close to it is described pendulum contract 4 inner side, the push rod 6 promotes institute under the driving of the 3rd nitrogen spring 5 during die sinking
State pendulum contract 4 to swing to the direction away from the blank holder 3, make bottom of the other end away from the push rod 2 of the pendulum contract 4.Institute
Stating the second pushing unit includes sliding block 7, the nitrogen spring 9 of sliding bearing 8 and the 4th, and the sliding block 7 is pacified by the sliding bearing 8
In the lower mould, and one end of the sliding block 7 is additionally provided with for driving on the outside of the pendulum contract 4, the lower mould
The 4th nitrogen spring 9 that the sliding bearing 8 is slided, the sliding bearing 8 is in the 4th nitrogen spring 9 during matched moulds
Drive lower band movable slider 7 to be slided to close to the direction of the pendulum contract 4, and make under the promotion of the sliding block 7 the another of the pendulum contract 4
Withstand the bottom of the push rod 2 in one end.
The present invention operation principle be：When upper mould is up walked with press slide, holding pad 1 uses nitrogen with blank holder 3
Gas spring, blank holder 3 is up moved in the presence of the second nitrogen spring, and holding pad 1 can be past in the effect of the first nitrogen spring
Lower movement, but now the pendulum contract 4 on blank holder 3 can push push rod 2 and allow holding pad 1 not move down, when the stroke of blank holder 3 is covered
While pendulum contract 4 swung out due to the promotion of the 3rd nitrogen spring 5, pendulum contract 4 is departed from push rod 2, holding pad 1 is again toward moving down
Dynamic, such stamping parts would not be weighed wounded, so as to play time-lag action, and upper mould is due to realizing the shaping under binder state, from
And solve the problems, such as the corrugation of stamping parts.
It is specific as shown in figure 1, status architecture schematic diagram when Fig. 1 is a kind of punch stretching mould matched moulds of the invention, is closed
During mould, upper bolster is moved downwardly to bottom dead centre, and now holding pad 1 pushes down plate, makes the surface more smooth of plate, does not crease easily.
The status architecture schematic diagram that Fig. 2 is for a kind of punch stretching mould die sinking of the invention, under die opening state, push rod 6
It is free state with pendulum contract 4, push push rod 6 under the active force of the 3rd nitrogen spring 5 swings out pendulum contract 4, pendulum contract 4 is upper
Do not contacted with push rod 2 when die holder is moved downward, now, the holding pad 1 of upper mould first pushes down plate and starts shaping again, can play pressure
The effect of material；With the closure of mould, while plate shaping is stamping parts, pendulum contract 4 is in sliding bearing 8, the nitrogen of sliding block 7 and the 4th
Toward backswing (but not contacted with push rod 6) under the collective effect of gas spring 9, when mould is closed completely, in the power of the 4th nitrogen spring 9
In the presence of push sliding block 7 and pendulum contract 4 is returned to Fig. 1 states, pendulum contract 4 is withstood push rod 2.
A kind of punch stretching mould of the present invention is different from the structure that the upper plate of traditional upper mould is stiff, and the present invention exists
Individually designed holding pad on upper plate, is pressed on the dynamic position concentrated of stamping plate stream, lower mould designs blank holder；Mould has been pressed
After stamping parts upwards motion when, stamping parts is damaged by pressure while pushing up stamping parts because upper molding flitch and lower molding flange occur
Phenomenon, in order to prevent damaging stamping parts by pressure, the priority of holding pad and lower blank holder is transported in design pendulum opportunity structure, control by blank holder
It is dynamic smooth, it is ensured that upper holding pad starts liftout again after the lower complete jack-up of blank holder is next, does not weigh stamping parts wounded；The present invention is ensureing mould
While the normal production of tool does not weigh stamping parts wounded, due to the holding pad in the dynamic position design excessively concentrated of stamping plate stream,
Stamping parts is molded in the state of compression, it is ensured that the uniformity of material flowing, the problem of stamping parts wrinkles is solved well.
The foregoing is only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent substitution and improvements made etc. should be included in the scope of the protection.
Claims (8)
1. a kind of punch stretching mould, including upper mould and the lower mould that is matched with the upper mould, it is characterised in that：The upper mould it is upper
Bottom plate is provided with holding pad (1), and the holding pad (1) is located on the dynamic position concentrated of stamping plate stream in the upper plate,
The holding pad (1) is provided with the push rod (2) placed vertically, and the top of the push rod (2) is fixed on the holding pad (1),
The edge of the hanging and close lower mould in the bottom of the push rod (2), the edge of the lower mould is provided with blank holder (3), described
Lower mould is provided with the pendulum opportunity structure for being used for withstanding the push rod (2), and the pendulum opportunity structure is close to the blank holder (3), in institute
During stating upper die and lower die matched moulds, the pendulum opportunity structure withstands the push rod (2).
2. a kind of punch stretching mould according to claim 1, it is characterised in that：The holding pad (1) is particularly located at institute
The middle part in upper plate is stated, and just to the punch-pin in the middle of stamping parts plate.
3. a kind of punch stretching mould according to claim 1 or 2, it is characterised in that：The upper mould, which is provided with, to be used to give
The holding pad (1) provides the first nitrogen spring of pressure source, and the lower mould, which is provided with, to be used to provide pressure to the blank holder (3)
Second nitrogen spring in power source.
4. a kind of punch stretching mould according to claim 1 or 2, it is characterised in that：The pendulum opportunity structure includes pendulum contract
(4), the first pushing unit and the second pushing unit, one end of the pendulum contract (4) is swingable to be fixed on the lower mould, described
The other end for putting contract (4) is located at the lower section of the push rod (2), and first pushing unit and the second pushing unit are located at institute respectively
The inner side and outer side of pendulum contract (4) is stated, first pushing unit is used to promote the pendulum contract (4) in die sinking to away from the pressure
The direction of flange (3) is swung, and second pushing unit is used to promote the pendulum contract (4) in matched moulds to close to the blank holder
(3) direction is swung.
5. a kind of punch stretching mould according to claim 4, it is characterised in that：First pushing unit includes the 3rd
Nitrogen spring (5) and push rod (6), the 3rd nitrogen spring (5) are embedded in the lower mould, and one end of the push rod (6) connects
It is connected on the 3rd nitrogen spring (5), the other end of the push rod (6) is close to the inner side of the pendulum contract (4), described in during die sinking
Push rod (6) promotes the pendulum contract (4) to the direction away from the blank holder (3) under the driving of the 3rd nitrogen spring (5)
Swing, make bottom of the other end away from the push rod (2) of the pendulum contract (4).
6. a kind of punch stretching mould according to claim 4 or 5, it is characterised in that：Second pushing unit includes
Sliding block (7), sliding bearing (8) and the 4th nitrogen spring (9), the sliding block (7) are arranged on described by the sliding bearing (8)
In lower mould, and the sliding block (7) one end close to the outside of the pendulum contract (4), be additionally provided with the lower mould described for driving
The 4th nitrogen spring (9) that sliding bearing (8) is slided, the sliding bearing (8) is in the 4th nitrogen spring during matched moulds
(9) driving lower band movable slider (7) is slided to close to the direction of the pendulum contract (4), and makes under the promotion of the sliding block (7) institute
The other end for stating pendulum contract (4) withstands the bottom of the push rod (2).
7. a kind of punch stretching mould according to claim 1 or 2, it is characterised in that：The push rod (2) is provided with two,
Two push rods (2) are symmetrically fixed on the holding pad (1).
8. a kind of punch stretching mould according to claim 5, it is characterised in that：The pendulum opportunity structure is provided with two, two
The individual pendulum opportunity structure is symmetrically installed on the lower mould and corresponding with two push rods (2) respectively, and positioned at the pressure
Two of flange (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710597968.0A CN107243562A (en) | 2017-07-20 | 2017-07-20 | A kind of punch stretching mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710597968.0A CN107243562A (en) | 2017-07-20 | 2017-07-20 | A kind of punch stretching mould |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107243562A true CN107243562A (en) | 2017-10-13 |
Family
ID=60013998
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710597968.0A Pending CN107243562A (en) | 2017-07-20 | 2017-07-20 | A kind of punch stretching mould |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107243562A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111448009A (en) * | 2017-12-07 | 2020-07-24 | 日本制铁株式会社 | Die device |
| CN111448008A (en) * | 2017-12-07 | 2020-07-24 | 日本制铁株式会社 | Holding device |
| CN112719080A (en) * | 2020-12-25 | 2021-04-30 | 祥鑫科技股份有限公司 | Side-pushing driving mechanism of rotary time-delay anti-reverse-top drawing die |
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| CN203495012U (en) * | 2013-07-30 | 2014-03-26 | 长城汽车股份有限公司 | Punching die |
| CN204220807U (en) * | 2014-10-27 | 2015-03-25 | 斯摩摩（武汉）汽车模具有限公司 | Diel time-delay mechanism |
| CN205362395U (en) * | 2016-01-20 | 2016-07-06 | 重庆数码模车身模具有限公司 | Mechanical type delay mechanism |
| CN206435666U (en) * | 2017-01-19 | 2017-08-25 | 重庆长安汽车股份有限公司 | Beam-like part mould with delay function |
| CN207103615U (en) * | 2017-07-20 | 2018-03-16 | 数码模冲压技术（武汉）有限公司 | A kind of punch stretching mould |
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2017
- 2017-07-20 CN CN201710597968.0A patent/CN107243562A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203495012U (en) * | 2013-07-30 | 2014-03-26 | 长城汽车股份有限公司 | Punching die |
| CN204220807U (en) * | 2014-10-27 | 2015-03-25 | 斯摩摩（武汉）汽车模具有限公司 | Diel time-delay mechanism |
| CN205362395U (en) * | 2016-01-20 | 2016-07-06 | 重庆数码模车身模具有限公司 | Mechanical type delay mechanism |
| CN206435666U (en) * | 2017-01-19 | 2017-08-25 | 重庆长安汽车股份有限公司 | Beam-like part mould with delay function |
| CN207103615U (en) * | 2017-07-20 | 2018-03-16 | 数码模冲压技术（武汉）有限公司 | A kind of punch stretching mould |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111448009A (en) * | 2017-12-07 | 2020-07-24 | 日本制铁株式会社 | Die device |
| CN111448008A (en) * | 2017-12-07 | 2020-07-24 | 日本制铁株式会社 | Holding device |
| EP3722017A4 (en) * | 2017-12-07 | 2021-09-22 | Nippon Steel Corporation | Holding device |
| EP3722018A4 (en) * | 2017-12-07 | 2021-09-22 | Nippon Steel Corporation | Mold apparatus |
| US11351591B2 (en) * | 2017-12-07 | 2022-06-07 | Nippon Steel Corporation | Hold device |
| US11400505B2 (en) | 2017-12-07 | 2022-08-02 | Nippon Steel Corporation | Press tooling |
| CN112719080A (en) * | 2020-12-25 | 2021-04-30 | 祥鑫科技股份有限公司 | Side-pushing driving mechanism of rotary time-delay anti-reverse-top drawing die |
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Application publication date: 20171013 |
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