CN109702132B - Mould pressing device - Google Patents
Mould pressing device Download PDFInfo
- Publication number
- CN109702132B CN109702132B CN201910095993.8A CN201910095993A CN109702132B CN 109702132 B CN109702132 B CN 109702132B CN 201910095993 A CN201910095993 A CN 201910095993A CN 109702132 B CN109702132 B CN 109702132B
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- China
- Prior art keywords
- piston
- pressing
- die
- rod
- steel body
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- 238000003825 pressing Methods 0.000 title claims abstract description 47
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 25
- 239000010959 steel Substances 0.000 claims abstract description 25
- 230000000149 penetrating effect Effects 0.000 claims abstract description 7
- 238000007723 die pressing method Methods 0.000 claims abstract description 6
- 238000004080 punching Methods 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 7
- 239000000463 material Substances 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 3
- 239000003921 oil Substances 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000011265 semifinished product Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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Abstract
The invention discloses a die pressing device, which comprises a steel body and a die shank penetrating through and driving the steel body to press downwards, wherein the bottom of the steel body is symmetrically provided with sliding grooves by taking the die shank as a symmetry axis, a piston is arranged in each sliding groove, the piston slides up and down in each sliding groove, the lower end of each sliding hole is fixed with a stop dog, the bottom of each piston is fixedly provided with a piston rod, the lower end of each piston rod penetrates through the stop dog and extends downwards to the outside of the steel body, the structure of the die pressing device is reasonable, when a punching machine drives the die shank to press downwards and does not reach the distance between 1 and 100mm before the lowest stroke of the punching machine, the piston rod below the piston can press the lower die, and in the process of continuously pressing the pressing rod, the piston moves upwards until the top end of the sliding groove is moved, the pressure of the piston rod on the lower die can be gradually increased in the moving, the pressing effect is improved, and the situation that when the pressing rod punches the blank, the lower die expands towards two sides to cause flash (burrs) on the material is avoided.
Description
Technical Field
The invention relates to the field of machining, in particular to a mold pressing device.
Background
The stamping die is a special process equipment for processing materials (metal or nonmetal) into parts (or semi-finished products) in cold stamping, and is called cold stamping die (commonly called cold stamping die). Stamping is a press working method in which a die mounted on a press is used to apply pressure to a material at room temperature to cause separation or plastic deformation of the material, thereby obtaining a desired part.
However, when the conventional punching device punches the blank in the lower die, there is no pressing device for fixing the lower die, which easily causes the blank to be formed into flash due to the offset of the lower die when the punching device punches the blank in the lower die.
Disclosure of Invention
The invention aims to provide a die pressing device which can press a die when a forging device extrudes a blank, so that the blank flash is avoided and the processing quality is improved.
The technical purpose of the invention is realized by the following technical scheme:
a die pressing device comprises a steel body and a die shank penetrating through and driving the steel body to press downwards, wherein sliding grooves are symmetrically formed in the bottom of the steel body by taking the die shank as a symmetry axis, pistons are arranged in the sliding grooves and slide in the sliding grooves up and down, a stop block is fixed at the lower ends of the sliding grooves, piston rods are fixedly arranged at the bottom of the pistons, the lower ends of the piston rods penetrate through the stop block and extend downwards to the outside of the steel body, a sleeve is arranged at the bottom of the steel body, the lower ends of the die shank penetrate through the steel body and are located in the sleeve, a connecting block is fixedly arranged in the sleeve, two pressing rods are fixedly arranged at the lower ends of the die shank and the connecting block, a pressing plate is arranged below the connecting block, the lower ends of the two pressing rods penetrate through the pressing plate, the pressing plate vertically slides on the pressing rod, a screw rod is vertically arranged on the, the upper end of screw rod is located the sliding hole and fixed mounting has the stopper, the top fixed mounting of stopper has the ejector pin, the ejector pin upwards runs through the die shank and can slide from top to bottom.
Preferably, a hydraulic groove is formed above the sliding groove, and the diameter in the hydraulic groove is smaller than that of the sliding groove.
Preferably, when the piston is positioned at the top end of the sliding groove, the distance between the lower end surface of the piston and the upper end surface of the stop block is about 1-100 mm.
Preferably, the pressure plate is located between the highest point of the pressure rod and the lowest point of the connecting block by about 0-100 mm.
Preferably, the aperture of a through hole formed by the pressing rod penetrating through the pressing plate is slightly larger than the diameter of the pressing rod, and the pressing plate slides up and down on the pressing rod.
Preferably, two oil inlets are formed in one side of the steel body, and the two oil inlets are arranged in parallel and are respectively communicated with the sliding groove.
The invention has the beneficial effects that: this mould closing device drives the die shank when pushing down at the punching machine, when the distance of depression bar and bed die is 100mm, make the piston rod under the piston compress tightly the bed die, in-process that the depression bar lasts to push down, the piston rebound, until moving to the groove top that slides, and the distance between clamp plate and the connecting block is about 5cm left and right sides, can make the piston rod increase gradually the pressure of bed die at the removal in-process, improve and compress tightly the effect, avoid the depression bar when punching press the stock, make the bed die rise to both sides, make the material cause the overlap.
Drawings
FIG. 1 is a front sectional view of the present invention;
FIG. 2 is a top view of the platen of the present invention.
Reference numerals: 1. a steel body; 2. a die shank; 3. a sliding groove; 4. a piston; 5. a stopper; 6. a piston rod; 7. a sleeve; 8. connecting blocks; 9. a pressure lever; 10. pressing a plate; 11. a hydraulic tank; 12. an oil inlet; 13. a screw; 14. a sliding hole; 15. a limiting block; 16. and a push rod.
Detailed Description
The following description is only a preferred embodiment of the present invention, and the protection scope is not limited to the embodiment, and any technical solution that falls under the idea of the present invention should fall within the protection scope of the present invention. It should also be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention.
As shown in fig. 1 and 2, a mold pressing device comprises a steel body 1 and a mold handle 2 penetrating through and driving the steel body 1 to press downwards, wherein the bottom of the steel body 1 is symmetrically provided with sliding grooves 3 by taking the mold handle 2 as a symmetry axis, a piston 4 is arranged in each sliding groove 3, the piston 4 slides up and down in each sliding groove 3 and is in interference fit with the corresponding sliding groove 3, when the piston 4 is positioned at the top end of each sliding groove 3, the distance between the lower end surface of the piston 4 and the upper end surface of each stop block 5 is about 1-100mm, the lower end of each sliding groove 3 is fixed with a stop block 5, each stop block 5 can prevent the piston 4 from moving out of the corresponding sliding groove 3, when the pressing device is suspended, the piston 4 is positioned at the lower end of the corresponding sliding groove 3, the lower end surface of the piston 4 is attached to the upper end surface of each stop block 5, a piston rod 6 is fixedly arranged at the bottom of the piston 4, the lower end of each piston rod 6 penetrates, the bottom of the steel body 1 is provided with a sleeve 7, the lower end of the die shank 2 penetrates through the steel body 1, the lower end of the die shank 2 is located in the sleeve 7, a connecting block 8 is fixedly installed in the sleeve 7, the connecting block 8 is located at the lower end of the die shank 2, two pressing rods 9 are fixedly installed at the lower end of the connecting block 8, the pressing rods 9 can punch blanks and extrude the blanks, a pressing plate 10 is arranged below the connecting block 8, the lower ends of the two pressing rods 9 penetrate through the pressing plate 10, the aperture of a through hole formed by the pressing rods 9 penetrating through the pressing plate 10 is slightly larger than the diameter of the pressing rods 9, the pressing plate 10 slides up and down on the pressing rods 9 to enable the pressing plates to slide more smoothly, and the distance between the pressing plate.
Wherein, hydraulic pressure groove 11 has been seted up to the top in groove 3 that slides, and the diameter in hydraulic pressure groove 11 is less than the diameter in groove 3 that slides, can play limiting displacement to piston 4 when shifting up, and two oil inlets 12 have been seted up to one side of steel body 1, and two oil inlets 12 parallel arrangement just communicate with groove 3 that slides respectively, through seting up oil inlet 12, can pass through hydraulic oil, can make this closing device when rising, utilize hydraulic pressure to make piston 4 move to the lowest position in groove 3 that slides.
This mould closing device drives 2 pushes down of die shank at the punching machine, when 100mm distance between depression bar 9 and the bed die, piston rod 6 under piston 4 can compress tightly the bed die, in-process that depression bar 9 lasts to push down, piston 4 rebound, until moving to 3 tops in groove of sliding, and the distance between clamp plate 10 and the connecting block 8 is about 5cm, can make piston rod 6 increase gradually the pressure of bed die at the removal in-process, improve and compress tightly the effect, avoid depression bar 9 when carrying out the punching press to the stock, make the bed die expand to both sides, make the material cause the overlap.
Claims (6)
1. The utility model provides a mould closing device, its characterized in that, include the steel body (1), run through and drive die shank (2) that the steel body (1) pushed down, the bottom of the steel body (1) and use die shank (2) to set up sliding groove (3) as symmetry axis symmetry, be equipped with piston (4) in sliding groove (3), slide in sliding groove (3) from top to bottom piston (4), the lower extreme fixed stop (5) of sliding groove (3), the bottom fixed mounting of piston (4) has piston rod (6), the lower extreme of piston rod (6) runs through dog (5) and downwardly extending to the steel body (1) outside, the bottom of the steel body (1) is provided with sleeve (7), the lower extreme of die shank (2) runs through the steel body (1) and the lower extreme is located sleeve (7), fixed mounting has connecting block (8) in sleeve (7), lower extreme fixed mounting that connecting block (8) are located the lower extreme of die shank (2) and connecting block (8) has two to press The connecting device comprises a rod (9), a pressing plate (10) is arranged below a connecting block (8), the pressing plate (10) is arranged at the lower end of the pressing rod (9) in a penetrating mode, the pressing plate (10) slides up and down on the pressing rod (9), a screw rod (13) is vertically arranged on the pressing plate (10), a sliding hole (14) is vertically formed in the connecting block (8), the upper end of the screw rod (13) is located in the sliding hole (14) and is fixedly provided with a limiting block (15), an ejector rod (16) is fixedly arranged at the top of the limiting block (15), and the ejector rod (16) upwards penetrates through a die shank (2) and can slide up and down.
2. The mold pressing device according to claim 1, wherein a hydraulic groove (11) is formed above the sliding groove (3), and the diameter in the hydraulic groove (11) is smaller than that of the sliding groove (3).
3. A die pressing device according to claim 2, wherein the distance between the lower end surface of the piston (4) and the upper end surface of the stopper (5) is 1-100mm when the piston (4) is located at the top end of the slide groove (3).
4. A die holding-down device according to claim 3, characterized in that the distance between the pressure plate (10) at the highest point of the pressure bar (9) and the lowest point of the connecting piece (8) is 0-100 mm.
5. The mold pressing device according to claim 4, wherein the diameter of the through hole formed by the pressing rod (9) penetrating through the pressing plate (10) is slightly larger than the diameter of the pressing rod (9), and the pressing plate (10) slides up and down on the pressing rod (9).
6. The die pressing device according to claim 5, wherein two oil inlets (12) are formed in one side of the steel body (1), and the two oil inlets (12) are arranged in parallel and are respectively communicated with the sliding groove (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910095993.8A CN109702132B (en) | 2019-01-31 | 2019-01-31 | Mould pressing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910095993.8A CN109702132B (en) | 2019-01-31 | 2019-01-31 | Mould pressing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109702132A CN109702132A (en) | 2019-05-03 |
| CN109702132B true CN109702132B (en) | 2020-04-24 |
Family
ID=66263417
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910095993.8A Active CN109702132B (en) | 2019-01-31 | 2019-01-31 | Mould pressing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109702132B (en) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5650733A (en) * | 1979-10-01 | 1981-05-08 | Sumitomo Heavy Ind Ltd | Lower die clamping device in rorging press |
| SU963674A1 (en) * | 1981-02-11 | 1982-10-07 | Владимирский филиал Проектно-технологического института автоматизации и механизации производства | Hot forming die |
| CN202910181U (en) * | 2012-11-13 | 2013-05-01 | 苏州市荣威模具有限公司 | Stamping die |
| CN103611869A (en) * | 2013-11-22 | 2014-03-05 | 如皋市大生线路器材有限公司 | One-step forging die of porcelain insulator cap |
| CN204449173U (en) * | 2015-01-29 | 2015-07-08 | 海安天润机械科技有限公司 | The special forge die of a kind of T-shaped valve rod |
| CN107931502B (en) * | 2017-11-13 | 2020-09-11 | 常州盛天传动科技有限公司 | Process for precisely forging single-side boss on rod part of chain wheel and taper half die |
| CN207971375U (en) * | 2018-03-19 | 2018-10-16 | 郑州机械研究所有限公司 | A kind of aluminium alloy synchronizer ring gear precision forming device |
-
2019
- 2019-01-31 CN CN201910095993.8A patent/CN109702132B/en active Active
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| Publication number | Publication date |
|---|---|
| CN109702132A (en) | 2019-05-03 |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Die pressing device Effective date of registration: 20211221 Granted publication date: 20200424 Pledgee: Diankou sub branch of Zhejiang Zhuji Rural Commercial Bank Co.,Ltd. Pledgor: ZHEJIANG FEITENG INTELLIGENT TECHNOLOGY Co.,Ltd. Registration number: Y2021980015399 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230106 Granted publication date: 20200424 Pledgee: Diankou sub branch of Zhejiang Zhuji Rural Commercial Bank Co.,Ltd. Pledgor: ZHEJIANG FEITENG INTELLIGENT TECHNOLOGY Co.,Ltd. Registration number: Y2021980015399 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A die pressing device Effective date of registration: 20230131 Granted publication date: 20200424 Pledgee: Zhejiang Zhuji Rural Commercial Bank Co.,Ltd. Pledgor: ZHEJIANG FEITENG INTELLIGENT TECHNOLOGY Co.,Ltd. Registration number: Y2023980031792 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20200424 Pledgee: Zhejiang Zhuji Rural Commercial Bank Co.,Ltd. Pledgor: ZHEJIANG FEITENG INTELLIGENT TECHNOLOGY Co.,Ltd. Registration number: Y2023980031792 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right |