CN111496096A - Multi-station precise stamping die for electronic connector - Google Patents
Multi-station precise stamping die for electronic connector Download PDFInfo
- Publication number
- CN111496096A CN111496096A CN202010588671.XA CN202010588671A CN111496096A CN 111496096 A CN111496096 A CN 111496096A CN 202010588671 A CN202010588671 A CN 202010588671A CN 111496096 A CN111496096 A CN 111496096A
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- China
- Prior art keywords
- die
- plate
- core
- male
- positioning seat
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- 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
Links
- 238000003825 pressing Methods 0.000 claims abstract description 31
- 230000006835 compression Effects 0.000 claims abstract description 12
- 238000007906 compression Methods 0.000 claims abstract description 12
- 238000009434 installation Methods 0.000 claims description 6
- 229910000906 Bronze Inorganic materials 0.000 claims description 3
- 239000010974 bronze Substances 0.000 claims description 3
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 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
- 238000003672 processing method Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000011265 semifinished product Substances 0.000 description 1
Images
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
-
- 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
- B21D22/02—Stamping using rigid devices or tools
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mounting, Exchange, And Manufacturing Of Dies (AREA)
Abstract
The invention discloses a multi-station electronic connector precision stamping die, which comprises a panel and a bottom plate, wherein a support column is connected between the panel and the bottom plate, the panel is connected with a hydraulic cylinder, the power output end of the hydraulic cylinder is connected with a push plate, the push plate is connected with an upper die holder, the upper die holder is connected with a male die, the bottom plate is connected with a lower die holder, the lower die holder is connected with a female die, the male die comprises a male die core, the upper die holder is connected with an upper positioning seat, the upper positioning seat is welded with a limiting block, the upper positioning seat is connected with a movable plate, the movable plate is provided with a through hole, the movable plate is connected with a compression spring, the free end of the compression spring is connected with a pressing plate, the female die comprises a female die core, the lower side of the female die core is connected with a backing plate, the lower side of the guide post is connected with a contact block, and the bottom of the contact block is connected with a pressing spring.
Description
Technical Field
The invention belongs to the technical field of stamping dies, and particularly relates to a multi-station electronic connector precision stamping die.
Background
The stamping die is a special process equipment for processing materials (metal or nonmetal) into parts (or semi-finished products) in cold stamping processing, and is called a cold stamping die (commonly called a cold stamping die). The stamping is a pressure processing method for obtaining a required part by applying pressure to a material by using a die arranged on a press machine at room temperature to separate or plastically deform the material, but the existing stamping die has limited stamping stations and low production efficiency, and an upper die core and a lower die cavity are not buffered during die assembly, so that the upper die core and the lower die cavity are easily damaged due to overlarge impact force.
Disclosure of Invention
In view of the problems raised by the above background art, the present invention is directed to: aims to provide a multi-station precise stamping die for an electronic connector. In order to achieve the technical purpose, the technical scheme adopted by the invention is as follows:
a multi-station electronic connector precision stamping die comprises a panel and a bottom plate, wherein four support columns are connected between the panel and the bottom plate, the four support columns are respectively arranged at four corners, the surface of the panel is connected with a hydraulic cylinder, the power output end of the hydraulic cylinder is connected with a push plate, the push plate is installed on the support columns, the push plate is connected with an upper die base, the upper die base is connected with a plurality of male dies, the surface of the bottom plate is connected with a lower die base, the surface of the lower die base is connected with a plurality of female dies, the male dies comprise male die cores, the upper die base is provided with counter bores, the counter bores are connected with cup head screws, the male die cores are fixedly installed in the upper die base through the cup head screws, the upper die base is connected with an upper positioning seat, the upper positioning seat and the male die cores are, the die comprises a female die and a female die, wherein the female die is arranged in a T-shaped structure, a backing plate is connected to the lower side of the female die, the backing plate is connected with a lower positioning seat, the female die is arranged in the lower positioning seat, the female die is provided with a through hole, a pressing column is slidably connected to the upper side of the through hole, a positioning block is connected to the lower side of the pressing column, a plurality of guide columns are connected to the lower side of the positioning block, the lower sides of the guide columns penetrate through the backing plate and the lower die seat and extend into the lower die seat, the improved die holder is characterized in that a mounting groove is formed in the die holder, the bottom of the mounting groove is connected with a pressure sensing switch, the pressure sensing switch is electrically connected with a hydraulic cylinder, a contact block is connected to the lower side of the guide column, the contact block is mounted in the mounting groove, the bottom of the contact block is connected with a pressing spring, and the free end of the pressing spring penetrates through the die holder and is connected with the surface of the bottom plate.
Further defined, the male mold core and the female mold core are concentrically and coaxially arranged. The structural design enables the processing and installation to be better and more convenient.
Further defined, the diameter of the male mold core is smaller than the diameter of the pressing column. The structural design makes the male die core easily enter the female die core.
Further inject, the power take off end of pneumatic cylinder is connected with the hydro-cylinder connector, the hydro-cylinder connector is connected with the push pedal. Such a structural design protects the end of the hydraulic cylinder.
Further limiting, the upper die holder is connected to the push plate through a locking screw in a locking mode. Such a structural design makes the connection more secure.
Further limiting, the lower die holder is connected to the bottom plate through screws in a locking mode. Such a structural design makes the connection more secure.
Further limiting, the male dies correspond to the female dies up and down, and the number of the male dies is the same as that of the female dies. The structure design can simultaneously carry out the production and processing of a plurality of products.
Further inject, the push pedal is equipped with the through-hole in the department that corresponds the support column, the through-hole in-connection has the bronze guide pin bushing. The structure design enables sliding to be better and smoother.
Further inject, the panel surface is connected with the vaulting pole, the vaulting pole surface is connected with and falls the piece, it is equipped with the screw hole to fall the piece, the screw hole is connected with rings. Such structural design is convenient for through rings to the lifting movement of stamping die.
Further, the bottom of the bottom plate is connected with a standing foot. The structural design enables the support to be better and stable.
The invention has the following advantages:
1. according to the invention, the upper die base is provided with the plurality of male dies, the lower die base is provided with the female dies with the number corresponding to that of the male dies, and the plurality of processing stations are formed by the plurality of male dies and the female dies, so that a plurality of products can be processed simultaneously when the electronic connector is processed by stamping, and the production efficiency of the electronic connector is improved;
2. according to the invention, the compression spring and the pressing spring are extruded when the punch is performed again, so that the compression spring and the pressing spring generate a buffering effect, and the protection effect on the male die and the female die is achieved.
Drawings
The invention is further illustrated by the non-limiting examples given in the accompanying drawings;
fig. 1 is a schematic structural view of a multi-station electronic connector precision stamping die according to an embodiment of the present invention;
fig. 2 is a schematic cross-sectional view of a multi-station electronic connector precision stamping die according to an embodiment of the present invention;
fig. 3 is an enlarged schematic structural view of a position a of a multi-station electronic connector precision stamping die according to an embodiment of the present invention;
fig. 4 is an enlarged schematic structural view of a position B of a precision stamping die for a multi-station electronic connector according to an embodiment of the present invention;
the main element symbols are as follows:
the device comprises a panel 1, a bottom plate 2, a support column 3, a hydraulic cylinder 4, an oil cylinder connector 5, a push plate 6, an upper die base 7, a male die 8, a male die core 81, a cup head screw 82, an upper positioning base 83, a limiting block 84, a movable plate 85, a compression spring 86, a pressing plate 87, a lower die base 9, a female die 10, a female die core 101, a backing plate 102, a lower positioning base 103, a through hole 104, a pressing column 105, a positioning block 106, a guide column 107, a contact block 108, a pressing spring 109, an installation groove 11, a pressure sensing switch 12, a support rod 13, a drop block 14, a threaded hole 15 and a.
Detailed Description
In order that those skilled in the art can better understand the present invention, the following technical solutions are further described with reference to the accompanying drawings and examples.
As shown in fig. 1-4, in the multi-station electronic connector precision stamping die of the present invention, four support columns 3 are connected between a panel 1 and a bottom plate 2, the four support columns 3 are respectively arranged at four corners, a hydraulic cylinder 4 is connected on the surface of the panel 1, a power output end of the hydraulic cylinder 4 is connected with a push plate 6, the push plate 6 is mounted on the support columns 3, the push plate 6 is connected with an upper die holder 7, the upper die holder 7 is connected with a plurality of male dies 8, a lower die holder 9 is connected on the surface of the bottom plate 2, a plurality of female dies 10 are connected on the surface of the lower die holder 9, the male dies 8 comprise male die cores 81, the upper die holder 7 is provided with a countersunk holes, the countersunk holes are connected with cup screws 82, the male die cores 81 are fixedly mounted in the upper die holder 7 through the cup screws 82, the upper die holder 7 is, the upper positioning seat 83 is welded with a limiting block 84, the upper positioning seat 83 is connected with a movable plate 85, the movable plate 85 is provided with a through hole, the movable plate 85 is sleeved on the male mold core 81 through the through hole, the movable plate 85 is connected with a plurality of compression springs 86, the plurality of compression springs 86 are uniformly arranged on the movable plate 85, the free end of each compression spring 86 is connected with a pressing plate 87, the pressing plate 87 is connected with a screw, the pressing plate 87 is locked and installed in the upper mold seat 7 through the screw, the female mold 10 comprises a female mold core 101, the female mold core 101 is arranged in a T-shaped structure, the lower side of the female mold core 101 is connected with a backing plate 102, the backing plate 102 is connected with a lower positioning seat 103, the female mold core 101 is installed in the lower positioning seat 103, the female mold core 101 is provided with a through hole 104, the upper side of the through hole 104 is slidably connected with, be equipped with mounting groove 11 in the die holder 9, the 11 bottom in mounting groove is connected with pressure sensing switch 12, and pressure sensing switch 12 is connected with the pneumatic cylinder 4 electricity, and the guide post 107 downside is connected with feeler 108, and feeler 108 installs in mounting groove 11, and feeler 108 bottom is connected with pressing spring 109, and pressing spring 109's free end runs through die holder 9 and is connected with bottom plate 2 surface.
When the stamping die is used, a raw material to be stamped is placed on the female die 10, the hydraulic cylinder 4 is controlled to push the push plate 6, the push plate 6 pushes the upper die holder 7, the upper die holder 7 pushes the male die 8, the male die 8 is in contact with the raw material and stamps, the male die core 81 pushes the pressing column 105 to move downwards, meanwhile, the female die core 101 pushes the movable plate 85 to move upwards, when the movable plate 85 moves upwards, the movable plate 85 extrudes the compression spring 86, when the pressing column 105 moves downwards, the pressing column 105 pushes the positioning block 106, the positioning block 106 pushes the guide column 107, the guide column 107 pushes the contact block 108, a cavity is formed between the male die core 81 and the female die core 101, the raw material is stamped and formed, when the contact block 108 touches the pressure sensing switch 12, the hydraulic cylinder 4 is controlled to stop moving through the pressure sensing switch 12, the hydraulic cylinder 4 drives the push plate 6, the push plate 6 drives the upper, the upper die base 7 drives the male die 8 to reset.
Preferably, the male mold core 81 is concentrically and coaxially disposed with the female mold core 101. The structural design enables the processing and installation to be better and more convenient. In fact, other structural shapes of the male mold core 81 and the female mold core 101 may be considered according to the specific situation.
Preferably, the diameter of the male mold core 81 is smaller than the diameter of the pressing post 105. Such a structural design facilitates the entry of the male mold core 81 into the female mold core 101. In fact, other pressing configurations may be considered as the case may be.
The power output end of the optimized hydraulic cylinder 4 is connected with an oil cylinder connector 5, and the oil cylinder connector 5 is connected with a push plate 6. Such a structural design protects the end of the hydraulic cylinder 4. In fact, other protective structure shapes may be considered as the case may be.
The upper die holder 7 is preferably connected to the push plate 6 through a locking screw in a locking manner. Such a structural design makes the connection more secure. In fact, other configurations of the upper mold base 7 may be considered as the case may be.
Preferably, the lower die holder 9 is connected to the bottom plate 2 by screw locking. Such a structural design makes the connection more secure. In fact, other configurations of the lower die holder 9 may be considered as appropriate.
Preferably, the male dies 8 correspond to the female dies 10 up and down and are the same in number. The structure design can simultaneously carry out the production and processing of a plurality of products. In fact, other configurations of the punch 8 and the die 10 may be considered as the case may be.
Preferably, the push plate 6 is provided with a through hole at the position corresponding to the support column 3, and a bronze guide sleeve is connected in the through hole. The structure design enables sliding to be better and smoother. In fact, other configurations of the push plate 6 are contemplated as the case may be.
Preferably, the surface of the panel 1 is connected with a stay bar 13, the surface of the stay bar 13 is connected with a falling block 14, the falling block 14 is provided with a threaded hole 15, and the threaded hole 15 is connected with a hanging ring. Such structural design is convenient for through rings to the lifting movement of stamping die. In fact, other structural shapes of the panel 1 may be considered as the case may be.
Preferably, a standing foot 16 is attached to the bottom of the bottom plate 2. The structural design enables the support to be better and stable. In practice, other configurations of the base plate 2 may be considered as appropriate.
The foregoing embodiments are merely illustrative of the principles of the present invention and its efficacy, and are not to be construed as limiting the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (10)
1. The utility model provides a precision stamping die of multistation electronic connector, includes panel (1) and bottom plate (2), its characterized in that: be connected with four support columns (3) between panel (1) and bottom plate (2), four support column (3) are arranged respectively in four corners, panel (1) surface connection has pneumatic cylinder (4), the power take off end of pneumatic cylinder (4) is connected with push pedal (6), push pedal (6) are installed on support column (3), push pedal (6) are connected with upper die base (7), upper die base (7) are connected with a plurality of terrace dies (8), bottom plate (2) surface connection has die holder (9), die holder (9) surface connection has a plurality of die (10), terrace die (8) are including terrace die core (81), upper die base (7) are equipped with the counter bore, the counter bore is connected with cup screw (82), terrace die core (81) are through cup screw (82) fixed mounting in upper die base (7), the upper die holder (7) is connected with an upper positioning seat (83), the upper positioning seat (83) and the male die core (81) are arranged in a cylindrical shape, the upper positioning seat (83) and the male die core (81) are arranged coaxially, a limiting block (84) is welded on the upper positioning seat (83), the upper positioning seat (83) is connected with a movable plate (85), the movable plate (85) is provided with a through hole, the movable plate (85) is sleeved on the male die core (81) through the through hole, the movable plate (85) is connected with a plurality of compression springs (86), the compression springs (86) are uniformly arranged on the movable plate (85), the free end of each compression spring (86) is connected with a pressing plate (87), the pressing plate (87) is connected with a screw, the pressing plate (87) is installed in the upper die holder (7) in a locking mode through the screw, the female die (10, the die core (101) is arranged in a T-shaped structure, a base plate (102) is connected to the lower side of the die core (101), the base plate (102) is connected with a lower positioning seat (103), the die core (101) is installed in the lower positioning seat (103), a through hole (104) is formed in the die core (101), a pressing column (105) is connected to the upper side of the through hole (104) in a sliding mode, a positioning block (106) is connected to the lower side of the pressing column (105), a plurality of guide columns (107) are connected to the lower side of the positioning block (106), the lower side of each guide column (107) penetrates through the base plate (102) and the lower die seat (9) and extends to the inside of the lower die seat (9), an installation groove (11) is formed in the lower die seat (9), a pressure sensing switch (12) is connected to the bottom of the installation groove (11), the pressure sensing switch (12) is electrically connected with a hydraulic cylinder, the contact block (108) is installed in the installation groove (11), the bottom of the contact block (108) is connected with a pressing spring (109), and the free end of the pressing spring (109) penetrates through the lower die holder (9) and is connected with the surface of the bottom plate (2).
2. The precision stamping die for the multi-station electronic connector as claimed in claim 1, wherein: the male mold core (81) and the female mold core (101) are concentrically and coaxially arranged.
3. The precision stamping die for the multi-station electronic connector as claimed in claim 2, wherein: the diameter of the male die core (81) is smaller than that of the pressing column (105).
4. The precision stamping die for the multi-station electronic connector as claimed in claim 3, wherein: the power output end of the hydraulic cylinder (4) is connected with an oil cylinder connector (5), and the oil cylinder connector (5) is connected with the push plate (6).
5. The precision stamping die for the multi-station electronic connector as claimed in claim 4, wherein: the upper die base (7) is connected to the push plate (6) through a locking screw in a locking mode.
6. The precision stamping die for the multi-station electronic connector as claimed in claim 5, wherein: the lower die holder (9) is connected to the bottom plate (2) through screws in a locking mode.
7. The precision stamping die for the multi-station electronic connector as claimed in claim 6, wherein: the male dies (8) and the female dies (10) are corresponding to each other up and down and are the same in number.
8. The precision stamping die for multi-station electronic connectors as claimed in claim 7, wherein: the push plate (6) is provided with a through hole at the position corresponding to the support pillar (3), and a bronze guide sleeve is connected in the through hole.
9. The precision stamping die for multi-station electronic connectors as claimed in claim 8, wherein: panel (1) surface connection has vaulting pole (13), vaulting pole (13) surface connection has and falls piece (14), it is equipped with screw hole (15) to fall piece (14), screw hole (15) are connected with rings.
10. The precision stamping die for multi-station electronic connectors as claimed in claim 9, wherein: the bottom of the bottom plate (2) is connected with a standing foot (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010588671.XA CN111496096A (en) | 2020-06-24 | 2020-06-24 | Multi-station precise stamping die for electronic connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010588671.XA CN111496096A (en) | 2020-06-24 | 2020-06-24 | Multi-station precise stamping die for electronic connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111496096A true CN111496096A (en) | 2020-08-07 |
Family
ID=71865636
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010588671.XA Pending CN111496096A (en) | 2020-06-24 | 2020-06-24 | Multi-station precise stamping die for electronic connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111496096A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112002546A (en) * | 2020-08-11 | 2020-11-27 | 龚兴娅 | Multi-station profiling device for producing neodymium iron boron magnet and operation method of multi-station profiling device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU958009A1 (en) * | 1981-02-24 | 1982-09-15 | Предприятие П/Я В-2453 | Bending die |
| CN207154512U (en) * | 2017-06-22 | 2018-03-30 | 浙江机电职业技术学院 | Pointer class rushes scrap (bridge) membrane module |
| CN109158477A (en) * | 2018-09-18 | 2019-01-08 | 芜湖市夯福机械模具有限公司 | A kind of novel porous stamping die |
| CN209303541U (en) * | 2018-12-12 | 2019-08-27 | 武汉兴园金属有限责任公司 | A kind of drawing die |
| CN110893650A (en) * | 2019-12-05 | 2020-03-20 | 胡帆 | Processing machinery is made to accurate electrical apparatus natural mica insulating pad piece |
| CN210523582U (en) * | 2019-07-11 | 2020-05-15 | 众合晟精密模具(深圳)有限公司 | Multi-station precise stamping die for electronic connector |
| CN111250590A (en) * | 2020-03-04 | 2020-06-09 | 张烁 | Stamping die |
-
2020
- 2020-06-24 CN CN202010588671.XA patent/CN111496096A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU958009A1 (en) * | 1981-02-24 | 1982-09-15 | Предприятие П/Я В-2453 | Bending die |
| CN207154512U (en) * | 2017-06-22 | 2018-03-30 | 浙江机电职业技术学院 | Pointer class rushes scrap (bridge) membrane module |
| CN109158477A (en) * | 2018-09-18 | 2019-01-08 | 芜湖市夯福机械模具有限公司 | A kind of novel porous stamping die |
| CN209303541U (en) * | 2018-12-12 | 2019-08-27 | 武汉兴园金属有限责任公司 | A kind of drawing die |
| CN210523582U (en) * | 2019-07-11 | 2020-05-15 | 众合晟精密模具(深圳)有限公司 | Multi-station precise stamping die for electronic connector |
| CN110893650A (en) * | 2019-12-05 | 2020-03-20 | 胡帆 | Processing machinery is made to accurate electrical apparatus natural mica insulating pad piece |
| CN111250590A (en) * | 2020-03-04 | 2020-06-09 | 张烁 | Stamping die |
Non-Patent Citations (1)
| Title |
|---|
| 杨根科等: "《微型计算机控制技术》", 31 May 2016, 国防工业出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112002546A (en) * | 2020-08-11 | 2020-11-27 | 龚兴娅 | Multi-station profiling device for producing neodymium iron boron magnet and operation method of multi-station profiling device |
| CN112002546B (en) * | 2020-08-11 | 2021-12-17 | 包头市英思特稀磁新材料股份有限公司 | Multi-station profiling device for producing neodymium iron boron magnet and operation method of multi-station profiling device |
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Application publication date: 20200807 |