CN113182418B - Notching die with material sheet size adaptability - Google Patents
Notching die with material sheet size adaptability Download PDFInfo
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- CN113182418B CN113182418B CN202110456875.2A CN202110456875A CN113182418B CN 113182418 B CN113182418 B CN 113182418B CN 202110456875 A CN202110456875 A CN 202110456875A CN 113182418 B CN113182418 B CN 113182418B
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- die
- assembly
- sliding block
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- sliding
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- 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
- B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
- B21D28/14—Dies
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- 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
- B21D28/26—Perforating, i.e. punching holes in sheets or flat parts
- B21D28/265—Perforating, i.e. punching holes in sheets or flat parts with relative movement of sheet and tools enabling the punching of holes in predetermined locations of the sheet, e.g. holes punching with template
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- 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
- B21D28/346—Perforating tools; Die holders length adjustable perforating tools
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- 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
- B21D37/04—Movable or exchangeable mountings for tools
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
The invention discloses a notching die with material sheet size adaptability, wherein a lower die assembly comprises a lower die seat and a lower die, the middle part of the lower die is a material sheet placing area, a die tool is arranged at the edge of the material sheet placing area, the die tool comprises a fixed supporting plate, a punching assembly is linearly and slidably arranged on the fixed supporting plate so as to allow the position of the punching assembly to be adjusted to be close to or far away from the material sheet placing area, the punching assembly comprises a tool female die assembly, a fastening mechanism is arranged between the tool female die assembly and the fixed supporting plate, an elastic supporting mechanism is arranged on the tool female die assembly, and a tool male die assembly matched with the tool female die assembly is supported above the elastic supporting mechanism. The invention has the beneficial effects that: the position of the punching assembly can be adjusted in a sliding mode, so that the punching assembly can meet the processing requirements of punching holes of material sheets with different sizes in a certain range, the defect that the dies are required to be opened respectively when a traditional die is used for producing similar series products is overcome, and the equipment cost is reduced.
Description
Technical Field
The invention belongs to the field of sheet metal part machining equipment, and particularly relates to a notch punching die with material sheet size adaptability.
Background
Sheet metal component uses widely in automobile structure, mainly uses stamping die to carry out the shaping. In the case of high volume production, a single processing platform is often required to undertake the production of two or even more workpieces of the same type. For a certain type of workpiece, the different workpieces differ mainly in size, and in the punching or punching position due to the size difference. For example, certain automotive slide rail components are formed by bending a sheet of material, and the edges of the sheet of material need to be punched before forming. The positions where the edges of the material sheet fall on the die are different for different lengths of the slide rail. On the fixed lower bolster of die of traditional mould, the drift is fixed on the cope match-plate pattern, if adopt traditional mould to produce, then need design respectively and make different lower moulds and last mould for the position in drift and drift hole adapts to the size of different work pieces respectively, and this will greatly increase manufacturing cost, and cause the waste. Therefore, the die structure must be improved to accommodate the dimensional changes of the same type of workpiece.
Disclosure of Invention
In view of this, the present invention provides a notching die with web size adaptability.
The technical scheme is as follows:
the key point is that a die tool is arranged at the edge of the material sheet placing area, the die tool comprises a fixed supporting plate, and a punching assembly is linearly and slidably arranged on the fixed supporting plate so as to allow the position of the punching assembly to be adjusted to enable the punching assembly to be close to or far away from the material sheet placing area;
the punching assembly comprises a tooling female die assembly, and a fastening mechanism is arranged between the tooling female die assembly and the fixed supporting plate;
the tool female die assembly is provided with an elastic supporting mechanism, and a tool male die assembly matched with the tool female die assembly is supported above the elastic supporting mechanism.
As a preferred technical scheme, the upper surface of the lower die holder is provided with an installation cavity, the die tool is arranged in the installation cavity, and the fixed supporting plate is fixedly arranged in the installation cavity;
the fixture female die assembly comprises a sliding block, the sliding block is arranged on the fixed supporting plate in a sliding mode, and the fastening mechanism is arranged between the sliding block and the fixed supporting plate;
the upper surface of the sliding block is level with the local area of the material sheet placing area, a concave die is embedded in the sliding block, and the upper surface of the concave die is not higher than the upper surface of the sliding block.
According to the preferable technical scheme, the die is a progressive die, the die tools are respectively arranged on two sides of the sheet material feeding direction of the sheet material placing area, and the two die tools are arranged horizontally and oppositely.
According to a preferable technical scheme, a punch guide hole vertically penetrates through the female die, a strip-shaped hole penetrates through the fixing support plate, the strip-shaped hole is arranged along the sliding direction of the tool female die assembly and is located right below the punch guide hole, and a waste channel is formed in the lower die holder below the strip-shaped hole;
and a punch is vertically arranged on the tooling punch assembly, and the lower end of the punch is over against the punch guide hole.
As a preferred technical scheme, a sliding chute is formed in the upper surface of the fixed supporting plate, one end of the sliding chute faces the material sheet placing area, the other end of the sliding chute faces away from the material sheet placing area, and the sliding block is arranged in the sliding chute;
the upper surface of the sliding block is provided with two steps which are respectively positioned at the edges of the sliding block, which are opposite to the two groove walls of the sliding groove;
each step is respectively level with the upper surface of the chute wall of the chute at the same side, a pressing block is covered on the step, and the pressing block is connected with the fixed supporting plate through a bolt.
According to the preferable technical scheme, the sliding groove is a through groove, a sliding block stop block is arranged at the end part, back to the material sheet placing area, of the sliding groove, the sliding block stop block is fixedly connected with the fixed supporting plate, an adjusting bolt penetrates through the sliding block stop block, and a screw rod of the adjusting bolt extends out of the sliding groove and abuts against the side wall of the sliding block.
As a preferred technical scheme, a material blocking block is fixedly arranged on the upper surface of the sliding block, the material blocking block is close to the female die, one side surface of the material blocking block is a material blocking surface, and the material blocking surface faces the material sheet placing area;
the upper material-stopping surface portion extends toward the material sheet placement region to form an upper material-stopping flange.
According to a preferable technical scheme, the tooling male die component comprises a material pressing block, and the lower surface of the material pressing block is opposite to the sliding block;
the punch is fixedly arranged below the material pressing block, and a punch backing plate is fixedly arranged on the upper surface of the material pressing block;
the elastic supporting mechanism is arranged between the sliding block and the material pressing block.
As a preferred technical scheme, a guide mechanism and an anti-falling mechanism are further arranged between the tooling male die assembly and the tooling female die assembly.
As a preferred technical scheme, the anti-falling mechanism comprises a limiting column, the lower end of the limiting column is fixedly connected with the sliding block, and the upper end of the limiting column is provided with an anti-falling ring;
it has same anticreep step hole to run through on pressing material piece and the drift backing plate, and the major diameter end in this anticreep step hole is up, and this anticreep step is downthehole to be worn to be equipped with spacing post, anticreep ring is located in the major diameter section in anticreep step hole.
Compared with the prior art, the invention has the beneficial effects that: the die tool is detachably arranged on the lower die of the stamping die, and the position of the punching assembly can be adjusted in a sliding manner, so that the die tool can meet the requirements of punching and hole-cutting machining of tablets with different sizes in a certain range, the defect that the dies need to be opened respectively when a traditional die is adopted to produce similar series products is avoided, and the equipment cost is reduced.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of FIG. 1 with a mold tooling removed;
FIG. 3 is a schematic view of the slider in positional relationship with the web placement area, showing the top surfaces of the slider and the web placement area flat;
FIG. 4 is an exploded view of the die tooling from a first perspective, separating the male die assembly of the tooling from the rest of the structure;
FIG. 5 is a schematic view of a second perspective of the mold tooling;
FIG. 6 is a schematic structural view of a third view of the mold tooling;
FIG. 7 is a schematic view of a tooling male die assembly and a tooling female die assembly when the dies are assembled;
fig. 8 is a cross-sectional view taken along line C-C of fig. 7.
Detailed Description
The present invention will be further described with reference to the following examples and the accompanying drawings.
As shown in fig. 1 to 3, a notching die with web size adaptability comprises a lower die assembly 700, wherein the lower die assembly 700 comprises a lower die base 710 and a lower die, and a web placing area 720 is arranged in the middle of the lower die. This mould is the modulus of continuity, is provided with a mould frock A respectively in tablet direction of feed both sides, and two mould frock A lie in a pair of relative edges that the district 720 was placed to the tablet respectively, and two mould frock A levels are just right. As shown in fig. 2, the die assembly a is assembled in such a manner that an installation cavity 711 is formed in the lower die holder 710, and the die assembly a is disposed in the installation cavity 711. The mold tooling a includes a fixed pallet 100, and the fixed pallet 100 falls on the bottom of the mounting cavity 711 and is fixedly connected with the lower die holder 710. The stationary blade 100 is provided with a punch assembly that is linearly slidable to allow the punch assembly to be adjusted to a position closer to or further away from the web placement area 720. The punching assembly comprises a tooling concave die assembly 200, and a fastening mechanism is arranged between the tooling concave die assembly 200 and the fixed supporting plate 100. An elastic supporting mechanism 400 is arranged on the tooling female die assembly 200, and a tooling male die assembly 300 matched with the tooling female die assembly 200 is supported above the elastic supporting mechanism 400. A guide mechanism 500 and an anti-falling mechanism 600 are further arranged between the tooling male die assembly 300 and the tooling female die assembly 200.
The upper surface of the fixing support plate 100 is provided with a sliding groove 110, and the tool female die assembly 200 is arranged in the sliding groove 110. The tooling die assembly 200 comprises a sliding block 210, the sliding block 210 is positioned in the sliding groove 110, and the fastening mechanism is arranged between the sliding block 210 and the fixed supporting plate 100. As shown in fig. 3, after the mold tooling a is installed in the installation cavity 711, the upper surface of the slider 210 is flush with a local area of the adjacent material sheet placement area 720, a concave die 230 is embedded on the slider 210, and the upper surface of the concave die 230 is not higher than the upper surface of the slider 210.
As shown in fig. 3, 5 and 8, a punch guide hole 231 is formed through the female die 230, a strip hole 130 is formed through the fixing plate 100, the strip hole 130 is disposed along the length direction of the chute 110, and the strip hole 130 is located right below the punch guide hole 231. The lower die holder 710 is provided with a waste channel 712, the upper end of the waste channel 712 is opened on the bottom wall of the mounting cavity 711, and the waste channel 712 is communicated with the strip-shaped hole 130. The tooling male die assembly 300 is vertically provided with a punch 330, and the lower end of the punch 330 is opposite to the punch guide hole 231.
As shown in fig. 4 to 7, the upper surface of the sliding block 210 has two steps 211, and the two steps 211 are respectively located at the edges of the sliding block 210 facing the two groove walls of the sliding groove 110. Each step 211 is respectively level with the upper surface of the groove wall of the sliding groove 110 on the same side, a pressing block 120 is covered on the step 211, and the pressing block 120 is connected with the fixed supporting plate 100 through a bolt. The step 211 on the slider 210 cooperates with the press block 120 to form a fastening mechanism. When the position of the sliding block 210 needs to be adjusted, the bolt is unscrewed, the sliding block 210 is slid to a position matched with a workpiece to be processed, and then the pressing block 120 is fixed again to enable the sliding block 210 to be positioned.
As shown in fig. 3 to 5, a material blocking block 220 is fixedly arranged on the upper surface of the slide block 210, the material blocking block 220 is close to the female die 230, one side surface of the material blocking block 220 is a material blocking surface 221, and the material blocking surface 221 faces the middle of the material sheet placing area 720. The upper portion of the dam surface 221 extends along its extent to form an upper dam flange 222. The blanking surface 221 positions the edge of the material sheet and the upper blanking flange 222 prevents the material sheet from bouncing upwards due to vibration during the stamping process.
In order to facilitate installation and adjustment of the position of the slide block 210, as shown in fig. 5, 6 and 8, the slide groove 110 is designed as a through groove, one end of the slide groove 110 faces the material sheet placing region 720, and the other end faces away from the material sheet placing region 720, and a slide block stopper 140 is disposed at the end, and the slide block stopper 140 is fixedly connected with the fixed pallet 100 by a positioning bolt. An adjusting bolt 150 is arranged on the sliding block stopper 140 in a penetrating manner, and a screw of the adjusting bolt 150 extends along the sliding chute 110 and abuts against the side wall of the sliding block 210. The slider stop 140 and the adjustment bolt 150 are located at the outer sidewall of the lower die holder 710. When the position of the sliding block 210 needs to be adjusted, the adjusting bolt 150 is rotated, and the screw end position of the adjusting bolt 150 is the positioning position of the adjusting sliding block 210.
As shown in fig. 4, 7 and 8, the tooling punch assembly 300 includes a material pressing block 320, and the lower surface of the material pressing block 320 faces the slide block 210. The punch clamping block 340 is embedded in the material pressing block 320, the punch 330 is arranged in the punch clamping block 340, and the upper end of the punch 330 is fixed in the punch clamping block 340. The punch backing plate 310 is fixedly arranged on the upper surface of the material pressing block 320.
As shown in fig. 4 to 8, the elastic supporting mechanism 400 is disposed between the sliding block 210 and the pressing block 320, and the elastic supporting mechanism 400 may be a nitrogen spring. The lower end of the nitrogen spring is fixed on the slide block 210, and the upper end of the nitrogen spring supports the material pressing block 320.
The guiding mechanism 500 is a guide post and guide sleeve mechanism, such as a ball guide post, wherein the guide post is fixed on the slider 210, and the guide sleeve is fixedly embedded in the pressing block 320.
As shown in fig. 8, the anti-dropping mechanism 600 includes a limiting column 600, a lower end of the limiting column 600 is fixedly connected to the sliding block 210, and an anti-dropping ring 610 is disposed at an upper end of the limiting column 600. The same anti-falling stepped hole 350 penetrates through the material pressing block 320 and the punch backing plate 310, the large-diameter end of the anti-falling stepped hole 350 faces upwards, the limiting column 600 penetrates through the anti-falling stepped hole 350, and the anti-falling ring 610 is located in the large-diameter section of the anti-falling stepped hole 350. This anti-disengaging mechanism 600 can prevent to take off nitrogen gas spring when frock punch assembly 300 kick-backs.
The shoe 210 is adjusted to the appropriate position depending on the size of the web. When the material sheet is slid onto the lower die, its edges abut against the respective blanking surfaces 221 to be positioned, the material sheet at least partially covering the punch guide holes 231. When the die is closed, an upper die (not shown in the figure) moves downwards and pushes the tooling male die assembly 300 to move downwards, the punch 330 punches a required hole or notch on the material sheet and enters the punch guide hole 231, and the punching waste falls into the waste channel 712 through the punch guide hole 231 and the strip-shaped hole 130; after one-time stamping is completed, the upper die returns upwards, the load of the tooling male die assembly 300 is relieved, and the tooling male die assembly also resets under the action of the elastic supporting mechanism 400. Because the whole die tooling A is arranged on the lower die assembly 700 and the position of the punching assembly can be adjusted in a sliding manner, the die tooling A can adapt to the size change of a material sheet within the adjusting range of the sliding block 210, the universality of equipment is greatly improved, the female die 230, the punch guide hole 231 and the punch 330 in different sizes and shapes can be replaced according to requirements, and the production requirements of workpieces with holes/notches in different shapes are further met.
Finally, it should be noted that the above-mentioned description is only a preferred embodiment of the present invention, and that those skilled in the art can make various similar representations without departing from the spirit and scope of the present invention.
Claims (9)
1. The utility model provides a towards breach mould with tablet size adaptability, its lower die assembly (700) include die holder (710), are provided with the lower mould on this die holder (710), the lower mould middle part is the tablet and places district (720), its characterized in that: a die tool (A) is arranged at the edge of the material sheet placing area (720), the die tool (A) comprises a fixed supporting plate (100), and a punching assembly is linearly and slidably arranged on the fixed supporting plate (100) to allow the position of the punching assembly to be adjusted to be close to or far away from the material sheet placing area (720);
the punching assembly comprises a fixture female die assembly (200), and a fastening mechanism is arranged between the fixture female die assembly (200) and the fixed supporting plate (100);
an elastic supporting mechanism (400) is arranged on the tooling female die component (200), and a tooling male die component (300) matched with the tooling female die component (200) is supported above the elastic supporting mechanism (400);
an installation cavity (711) is formed in the upper surface of the lower die holder (710), the die tooling (A) is arranged in the installation cavity (711), and the fixed supporting plate (100) is fixedly arranged in the installation cavity (711);
the fixture female die assembly (200) comprises a sliding block (210), the sliding block (210) is arranged on the fixed supporting plate (100) in a sliding mode, and the fastening mechanism is arranged between the sliding block (210) and the fixed supporting plate (100);
the upper surface of the sliding block (210) is level with the local area of the adjacent material sheet placing area (720), a concave die (230) is embedded on the sliding block (210), and the upper surface of the concave die (230) is not higher than the upper surface of the sliding block (210).
2. The die for punching notches with web size adaptability according to claim 1, characterized in that: the die is a progressive die, two die tools (A) are respectively arranged on two sides of the sheet material feeding direction of the sheet material placing area (720), and the two die tools (A) are horizontally arranged right opposite to each other.
3. The die for punching notches with web size adaptability according to claim 1, characterized in that: a punch guide hole (231) vertically penetrates through the female die (230), a strip-shaped hole (130) penetrates through the fixed supporting plate (100), the strip-shaped hole (130) is arranged along the sliding direction of the tooling female die assembly (200), the strip-shaped hole (130) is positioned right below the punch guide hole (231), and a waste channel (712) is formed in the lower die holder (710) below the strip-shaped hole (130);
and a punch (330) is vertically arranged on the tooling punch assembly (300), and the lower end of the punch (330) is just opposite to the punch guide hole (231).
4. The die for punching notches with web size adaptability according to claim 3, characterized in that: the upper surface of the fixed supporting plate (100) is provided with a sliding chute (110), one end of the sliding chute (110) faces the material sheet placing area (720), the other end of the sliding chute is back to the material sheet placing area (720), and the sliding block (210) is arranged in the sliding chute (110);
the upper surface of the sliding block (210) is provided with two steps (211), and the two steps (211) are respectively positioned at the edges of the sliding block (210) facing the two groove walls of the sliding groove (110);
each step (211) is respectively level with the upper surface of the groove wall of the sliding groove (110) on the same side, a pressing block (120) covers the step (211), and the pressing block (120) is connected with the fixed supporting plate (100) through bolts.
5. The die for punching notches with web size adaptability according to claim 4, characterized in that: the sliding groove (110) is a through groove, a sliding block stop block (140) is arranged at one end of the sliding groove (110) back to the material sheet placing area (720), the sliding block stop block (140) is fixedly connected with the fixed supporting plate (100), an adjusting bolt (150) penetrates through the sliding block stop block (140), and a screw rod of the adjusting bolt (150) extends out of the sliding groove (110) and abuts against the side wall of the sliding block (210).
6. The die for punching notches with web size adaptability according to claim 4, characterized in that: a material blocking block (220) is fixedly arranged on the upper surface of the sliding block (210), the material blocking block (220) is close to the female die (230), one side surface of the material blocking block (220) is a material blocking surface (221), and the material blocking surface (221) faces towards the material sheet placing area (720);
the upper part of the material blocking surface (221) extends towards the material sheet placing area (720) to form an upper material blocking flange (222).
7. The die for punching notches with web size adaptability according to claim 3, characterized in that: the tooling punch assembly (300) comprises a pressing block (320), and the lower surface of the pressing block (320) is opposite to the sliding block (210);
the punch (330) is fixedly arranged below the material pressing block (320), and the punch backing plate (310) is fixedly arranged on the upper surface of the material pressing block (320);
the elastic supporting mechanism (400) is arranged between the sliding block (210) and the material pressing block (320).
8. The die for punching notches with web size adaptability according to claim 7, characterized in that: and a guide mechanism (500) and an anti-falling mechanism are further arranged between the tooling male die component (300) and the tooling female die component (200).
9. The die for punching notches with web size adaptability according to claim 8, characterized in that: the anti-falling mechanism comprises a limiting column (600), the lower end of the limiting column (600) is fixedly connected with the sliding block (210), and the upper end of the limiting column (600) is provided with an anti-falling ring (610);
the material pressing block (320) and the punch backing plate (310) are provided with the same anti-falling step hole (350) in a penetrating mode, the large-diameter end of the anti-falling step hole (350) faces upwards, the limiting column (600) penetrates through the anti-falling step hole (350), and the anti-falling ring (610) is located in the large-diameter section of the anti-falling step hole (350).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110456875.2A CN113182418B (en) | 2021-04-27 | 2021-04-27 | Notching die with material sheet size adaptability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110456875.2A CN113182418B (en) | 2021-04-27 | 2021-04-27 | Notching die with material sheet size adaptability |
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| Publication Number | Publication Date |
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| CN113182418A CN113182418A (en) | 2021-07-30 |
| CN113182418B true CN113182418B (en) | 2022-12-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110456875.2A Active CN113182418B (en) | 2021-04-27 | 2021-04-27 | Notching die with material sheet size adaptability |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202539337U (en) * | 2012-03-23 | 2012-11-21 | 新疆特变电工集团有限公司 | Punching mechanism in numerical control punching shear line equipment for silicon sheet |
| WO2018041222A1 (en) * | 2016-08-31 | 2018-03-08 | 无锡市光彩机械制造有限公司 | C-shaped steel forming and punching production line and processing technique therefor |
| CN207577214U (en) * | 2017-10-19 | 2018-07-06 | 深圳市金洲精工科技股份有限公司 | A kind of radiator mainboard versatility punch structure |
| CN109175079A (en) * | 2018-07-27 | 2019-01-11 | 合肥和瑞机械制造有限公司 | A kind of continuously punched device of pneumatic thin plate |
| CN111036761A (en) * | 2019-12-31 | 2020-04-21 | 重庆函木科技有限公司 | Numerical control door plate punching waste treatment device and use method thereof |
| CN212792605U (en) * | 2020-04-30 | 2021-03-26 | 赖炳南 | Adjustable stamping device and stamping equipment applying same |
-
2021
- 2021-04-27 CN CN202110456875.2A patent/CN113182418B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202539337U (en) * | 2012-03-23 | 2012-11-21 | 新疆特变电工集团有限公司 | Punching mechanism in numerical control punching shear line equipment for silicon sheet |
| WO2018041222A1 (en) * | 2016-08-31 | 2018-03-08 | 无锡市光彩机械制造有限公司 | C-shaped steel forming and punching production line and processing technique therefor |
| CN207577214U (en) * | 2017-10-19 | 2018-07-06 | 深圳市金洲精工科技股份有限公司 | A kind of radiator mainboard versatility punch structure |
| CN109175079A (en) * | 2018-07-27 | 2019-01-11 | 合肥和瑞机械制造有限公司 | A kind of continuously punched device of pneumatic thin plate |
| CN111036761A (en) * | 2019-12-31 | 2020-04-21 | 重庆函木科技有限公司 | Numerical control door plate punching waste treatment device and use method thereof |
| CN212792605U (en) * | 2020-04-30 | 2021-03-26 | 赖炳南 | Adjustable stamping device and stamping equipment applying same |
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| Publication number | Publication date |
|---|---|
| CN113182418A (en) | 2021-07-30 |
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Address after: No. 99, Pingtai Road, huangmaoping, Liangjiang New District, Chongqing Applicant after: Chongqing andotuo Auto Parts System Co.,Ltd. Address before: No. 99, Pingtai Road, huangmaoping, Liangjiang New District, Chongqing Applicant before: Chongqing Yanfeng Johnson Automotive Parts System Co.,Ltd. |
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