CN113814328A - Bottom cutting die for stamping automatic production line of basket-shaped retainer - Google Patents
Bottom cutting die for stamping automatic production line of basket-shaped retainer Download PDFInfo
- Publication number
- CN113814328A CN113814328A CN202110852081.8A CN202110852081A CN113814328A CN 113814328 A CN113814328 A CN 113814328A CN 202110852081 A CN202110852081 A CN 202110852081A CN 113814328 A CN113814328 A CN 113814328A
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- Prior art keywords
- die
- bottom cutting
- punch
- basket
- shaped retainer
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- 238000005520 cutting process Methods 0.000 title claims abstract description 98
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 21
- 238000007599 discharging Methods 0.000 claims abstract description 29
- 230000007246 mechanism Effects 0.000 claims abstract description 14
- 238000004080 punching Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 description 15
- 239000000463 material Substances 0.000 description 13
- 230000008569 process Effects 0.000 description 6
- 239000000047 product Substances 0.000 description 5
- 238000003860 storage Methods 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 2
- 238000010009 beating Methods 0.000 description 1
- 239000010960 cold rolled steel Substances 0.000 description 1
- 239000011365 complex material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000008034 disappearance Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000011120 plywood Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000007115 recruitment Effects 0.000 description 1
- 239000011265 semifinished product Substances 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 230000009466 transformation Effects 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
- B21D53/00—Making other particular articles
- B21D53/10—Making other particular articles parts of bearings; sleeves; valve seats or the like
- B21D53/12—Making other particular articles parts of bearings; sleeves; valve seats or the like cages for bearings
-
- 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
- B21D35/00—Combined processes according to or processes combined with methods covered by groups B21D1/00 - B21D31/00
- B21D35/002—Processes combined with methods covered by groups B21D1/00 - B21D31/00
-
- 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
- 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
- B21D45/00—Ejecting or stripping-off devices arranged in machines or tools dealt with in this subclass
- B21D45/02—Ejecting devices
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Abstract
The invention discloses a bottoming die for a basket-shaped retainer stamping automatic production line. Belongs to the technical field of processing of a conical roller bearing stamping basket-shaped retainer. The bottom cutting die and the pressure equipment mainly solve the problem that the existing bottom cutting die and pressure equipment are only suitable for single machine, single sequence and manual operation. It is mainly characterized in that: the bottom cutting die comprises a bottom cutting female die, a bottom cutting punch, a punch joint, a discharging mechanism, a guide pillar and a guide sleeve; wherein, the guide post and the guide sleeve are distributed on one side; the discharging mechanism is arranged on the outer side of the bottom cutting punch. The invention can leave horizontal movement space for the reciprocating automatic connecting device, is convenient to install and adjust, and the external unloading mechanism can ensure that the blank after bottom cutting is not separated from the bottom cutting female die by the bottom cutting punch, thereby creating conditions for accurately clamping the blank by the flexible hand of the mechanical arm of the next working cycle and realizing automatic connecting processing of the bottom cutting process. The invention is mainly used for automatic stamping and connecting line production of the basket-shaped retainer bottom cutting.
Description
Technical Field
The invention belongs to the technical field of processing of a conical roller bearing stamping basket-shaped retainer, and particularly relates to a bottom cutting die for a stamping automatic production line of a basket-shaped retainer.
Background
Tapered roller bearings are widely used in the mechanical industry, particularly in the automobile manufacturing industry, and are the leading products of host customers and foreign trade exports of the Xiangbei company. The basic structure generally comprises four parts, namely an outer ring, a basket-shaped retainer, a group of rolling bodies, an inner ring and the like.
The basket-shaped retainer is one of four key parts of the tapered roller bearing, and mainly has the functions of uniformly isolating the rollers, guiding the rollers to freely rotate on the inner and outer rolling way surfaces, transferring loads and ensuring the movement precision and stability of the whole vehicle. The part is generally formed by stamping a cold-rolled steel plate, and the main process flow is as follows: a standard plywood of L (length) × B (width) × δ (thickness) is unpacked, and approximately 7 punching processes are required from strip cutting, wafer blanking to final expansion, as shown in fig. 1. The working procedures comprise blanking, cutting, bottom cutting, punching, edge turning, slope pressing and expanding.
The obvious characteristics of multiple working procedures, high requirement and labor intensity are the stamping processing of the basket-shaped retainer. Limited by processing equipment and technical level, the traditional basket-shaped retainer undercutting processing generally adopts a manual single-machine single-sequence cluster production mode, so that the production efficiency is low, the product quality is unstable, and more safety accidents are caused by frequent picking and placing of products from a die cavity by personnel. With the disappearance of the population dividend, the problems of difficult industrial recruitment, difficult human retention, high cost, low efficiency and the like tend to be overcome, and the automation improvement of enterprises is promoted.
Disclosure of Invention
The invention aims to provide the bottom cutting die for the stamping automatic production line of the basket-shaped retainer, which aims at overcoming the defects, realizes the automation of the bottom cutting stamping process through the optimized design of the bottom cutting die, can realize one-man multi-machine or unmanned operation for supporting the whole stamping automatic production line of the basket-shaped retainer, and creates conditions for reducing and improving the efficiency of enterprises and improving the market competitiveness.
The technical solution of the invention is as follows: the utility model provides a basket shape holder punching press automatic production line is with cutting die, its characterized in that: the bottom cutting die comprises a bottom cutting female die, a bottom cutting punch, a punch joint, a discharging mechanism, a guide pillar and a guide sleeve; wherein, the guide post and the guide sleeve are distributed on one side; the discharging mechanism is arranged on the outer side of the bottom cutting punch.
The discharging mechanism in the technical scheme of the invention consists of a discharging spring and a discharging ring; the bottom cutting punch is provided with a circular positioning hole matched with the punch joint; the discharging ring is sleeved on the bottom cutting punch, a circular boss matched with the discharging spring is arranged at the upper end of the discharging ring, and the outer circle of the discharging ring is conical; the discharging spring is arranged between the punch head joint and the circular boss of the discharging ring through the guide screw rod.
The technical scheme of the invention also comprises a lower die holder, an upper die holder and a die handle; the die handle, the upper die base and the punch head joint are fixedly connected in sequence; the undercut female die is arranged on the lower die seat.
The technical scheme of the invention also comprises a positioning plate; the locating plate suit is on undercut die, and the upper port portion is equipped with conical positioning hole.
The invention adopts the bottom cutting die for the basket-shaped retainer punching automatic production connecting line, which consists of a bottom cutting female die, a bottom cutting punch, a punch joint, a discharging mechanism, a guide post and a guide sleeve, wherein the guide post and the guide sleeve are distributed on one side, the discharging mechanism is arranged on the outer side of the bottom cutting punch, and simultaneously the guide sleeve and the guide post which are distributed at an angle of 45 degrees with each other on the original bottom cutting punch die holder are changed into horizontal distribution on one side, thereby not only ensuring the concentricity of an upper die and a lower die, but also reserving a horizontal movement space for a reciprocating automatic connecting line device, being convenient to install and adjust, the external discharging mechanism can ensure that a blank after bottom cutting is not separated from the bottom cutting female die by the bottom cutting punch, creating conditions for a next working cycle mechanical arm to accurately clamp the blank by flexible hand, enabling the automatic connecting line processing of the bottom cutting process to be possible, and being connected with the automatic connecting line of the bottom cutting process through a conveyor belt and the reciprocating mechanical arm, and finally, the aim of automatic connection of the stamped retainer is fulfilled.
The invention is mainly used for automatic stamping and connecting line production of the basket-shaped retainer bottom cutting.
Drawings
Fig. 1 is a flowchart of a conventional basket-shaped retainer press working.
Fig. 2 is a schematic structural view of a conventional undercut mold.
FIG. 3 is a top view of a lower die base of a conventional undercutting die.
Fig. 4 is a schematic structural view of the undercutting die of the invention.
FIG. 5 is a top view of the upper die base of the undercutting die of the invention.
Fig. 6 is a schematic view of the automatic press line production of the present invention for basket-shaped holder undercutting.
In the figure: 301. a lower die holder; 302. a guide post; 303. a guide sleeve; 304. an upper die holder; 305. a knockout pin; 306. a top plate; 307. a mold handle; 308. a top rod; 309. a punch joint; 310. a discharge ring; 311. a bottom cutting punch; 312. positioning a plate; 313. cutting a bottom concave die; 401. a lower die holder; 402. a guide post; 403. cutting a bottom concave die; 404. positioning a plate; 405. a bottom cutting punch; 406. a discharge ring; 407. a guide sleeve; 408. an upper die holder; 409. a mold handle; 410. a punch joint; 411. a lead screw; 412. a discharge spring; 501. a material storage table; 502. a first reciprocating manipulator; 503. cutting into a press; 504. a conveyor belt; 505. a second reciprocating manipulator; 506. a bottom cutting press.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
As shown in fig. 2 and 3. The traditional undercut punching die comprises a lower die holder 301, a guide pillar 302, a guide sleeve 303, an upper die holder 304, a knockout pin 305, a top plate 306, a die handle 307, a top rod 308, a punch joint 309, a discharge ring 310, an undercut punch 311, a positioning plate 312 and an undercut die 313. The traditional bottom cutting stamping die is arranged on a J23 series open type inclinable press, and the basic technological process of the bottom cutting procedure is as follows: manually putting the mouth part of a basket-shaped retainer blank to be bottomed upwards into the positioning plate 312, starting the press slide block to work, enabling a bottoming punch 311 fixed at the center of the upper die base 304 to be continuously close to a product to be processed along with the downward movement of the press slide block, and forming a shearing pair with a bottoming female die 313 fixed at the center of the lower die base 301 when the cutting edge of the bottoming punch 311 is contacted with the blank to cut the blank until material cores are separated, thereby finishing the bottoming work. When the slide block of the press moves upwards to tightly hold the basket-shaped blank which is tightly hooped on the bottom cutting punch 311, the basket-shaped blank moves upwards to the knockout cross beam along with the upper die holder 304, and the knockout cross beam is limited by the discharge screw fixed on the machine body, so that the ejector rod 308, the top plate 306, the knockout rod 305 and the discharge ring 310 are pushed along with the knockout cross beam, and the basket-shaped retainer blank is discharged from the bottom cutting punch 311. And then, under the dual functions of gravity and compressed air, the blank is blown to the material channel and slides into the material box, and the bottom cutting processing of the blank is finished.
From the bottom cutting die structure and the processing process, in order to facilitate manual feeding and smooth discharging of the blank after bottom cutting, a complex material beating structure is designed and installed at the central position of an upper die base, so that the blank after bottom cutting can be enabled to be separated from a bottom cutting female die by a bottom cutting punch, a blank placing condition is provided for the next working cycle, and the blank can be smoothly unloaded. Meanwhile, in order to ensure the concentricity of the upper die and the lower die, a guide sleeve 303 and a guide pillar 302 which are distributed at an angle of 45 degrees are respectively designed on the upper die base and the lower die base for centering and guiding. However, this arrangement does not allow direct installation of the automated wiring device.
As shown in fig. 4 and 5, the bottom-cutting stamping die of the invention comprises a lower die holder 401, a guide pillar 402, a bottom-cutting die 403, a positioning plate 404, a bottom-cutting punch 405, a discharge ring 406, a guide sleeve 407, an upper die holder 408, a die handle 409, a punch joint 410, a lead screw 411 and a discharge spring 412. The discharge spring 412 and the discharge ring 406 constitute a discharge mechanism. The bottom cutting punch 405 is provided with a punch adapter 410 with a circular boss. The upper end of the discharging ring 406 is provided with a through hole matched with the punch joint 410 and a circular boss matched with the discharging spring 412, a cavity matched with the bottom cutting punch 405 is axially arranged, and the outer circle is conical. A discharge spring 412 is disposed between the punch adaptor 410 and the circular boss of the discharge ring 406 by a lead screw 411. The die handle 409, the upper die holder 408 and the punch joint 410 are connected in sequence, and the undercut female die 403 is arranged on the lower die holder 401. The positioning plate 404 is sleeved on the undercut concave die 403, and the upper port part is provided with a conical positioning through hole. The guide post 402 and the guide sleeve 407 are horizontally distributed on one side, and the discharging mechanism is arranged outside the bottom cutting punch 405.
Preferably, JH21 series high-performance precision stamping equipment replaces an old J23 series press machine to serve as a host, and the structure of the existing undercut stamping die is innovatively designed, so that automatic connection of undercut procedures becomes possible.
As shown in fig. 6. The present invention is installed on a bottom cutting press 506, and forms an embodiment of a basket-shaped holder bottom cutting and punching automatic production line together with a cutting press 503, a cutting die, a conveyor belt 504, a first reciprocating manipulator 502 and a second reciprocating manipulator 505. The conveyor 504 is disposed between the cutting press 503 and the bottom cutting press 506, and cooperates with the cutting press 503 and the bottom cutting press 506. A first shuttle robot 502 is disposed between the cutting press 503 and the stock table 501, and a second shuttle robot 505 is disposed between the cutting press 503 and the bottom-cutting press 506. The front end, the middle end and the rear end of the first reciprocating manipulator 502 are respectively provided with a vacuum chuck, the front end of the second reciprocating manipulator 505 is provided with a vacuum chuck matched with the undercut blank, and the rear end of the second reciprocating manipulator is provided with a flexible hand grip. A special material receiving box is arranged beside the bottom cutting press 506, and the bottom cutting press 503 and the bottom cutting press 506 are JH21 series open type fixed table top high-performance precision stamping equipment. After the bottom cutting procedure is automatically upgraded and modified, the bottom cutting procedure is matched with the cutting procedure for automatic upgrading and modification, and the first reciprocating type mechanical arm 502 and the second reciprocating type mechanical arm 505 of the conveyor belt are in seamless connection, so that the goal of cutting the basket-shaped retainer into the bottom cutting stamping automatic connection line can be achieved.
The first shuttle 502 picks the round piece material from the storage table 501 by the vacuum chuck and accurately places the round piece material in the cutting mold, and the first shuttle 502 returns after the round piece material is released. And when the machine runs to a safety position, a stamping signal is sent to the press machine, the press machine is started to stretch and form the blank until the material core is separated, and the stretching and forming of the basket-shaped blank is finished. When the press machine moves upwards, the basket-shaped blank is pushed away, and after the discharging is finished, a stamping finishing instruction is sent to the first reciprocating manipulator 502. The first shuttle robot 502, upon receiving the command, begins the next work cycle: the first reciprocating robot 502 moves to the center of the mold, the basket-shaped blank is taken out through the vacuum chuck, meanwhile, the vacuum chuck arranged at the rear end of the arm of the first reciprocating robot 502 sucks up the next wafer material to be formed from the storage table 501, the wafer material is conveyed to the cutting mold along with the horizontal movement of the arm of the first reciprocating robot 502, the basket-shaped blank is placed on the conveying belt 504 and conveyed to the bottom cutting process, and the automatic cutting work is finished in a reciprocating mode.
The second reciprocating manipulator 505 sucks the blank to be bottomed from a V-shaped positioning block on a conveyor belt through a vacuum chuck arranged at the front end of the arm of the second reciprocating manipulator 505, then horizontally moves to a bottoming station, accurately places the blank in a positioning plate 404 on a bottoming die 403, the vacuum chuck immediately loosens the blank and leaves the bottoming station along with the second reciprocating manipulator 505, when the second reciprocating manipulator 505 operates to a safe position, a punching signal is sent to the press, the press slider is started to work, a bottoming punch 405 fixed at the center of an upper die holder 408 moves downwards along with the press slider, when the cutting edge of the bottoming punch 405 contacts the blank, the cutting pair is formed by the cutting edge of the bottoming die 403 fixed at the center of a lower die holder 401, and the blank is bottomed until a material core is separated, so that the bottoming work is completed. The press ram then begins to move upward, holding the basket-shaped blank tightly around the bottom-cutting punch 405, whereupon it is discharged by the discharge device formed by the external discharge spring 412 and the discharge ring 406 and remains in the retainer plate 404. The slide is raised to the top dead center and stopped, and a press complete command is issued to the second shuttle robot 505, and the second shuttle robot 505 starts the next cycle: the flexible hand arranged at the rear end of the arm of the second reciprocating moving type manipulator 505 clamps the blank left in the female die positioning plate 404, the vacuum chuck arranged at the front end of the manipulator arm sucks the next blank to be bottomed from the V-shaped positioning block on the conveyor belt, and along with the horizontal movement of the arm of the second reciprocating moving type manipulator 505, the flexible hand and the vacuum chuck respectively send two semi-finished products to a material box and a bottoming station, so that the automatic bottoming work is completed in a reciprocating mode.
From the structure and the processing process of the invention, in order to facilitate the positioning and the unloading of the blank and meet the requirements of continuous automatic production, the invention mainly comprises the following innovation points: the external unloading spring device can ensure that the blank after bottom cutting is not separated from the bottom cutting female die by the bottom cutting punch, and conditions are created for accurately clamping the blank by the flexible hand of the mechanical arm of the next working cycle.
The automatic upgrading and transformation and the wire connection technology application are carried out on the bottom cutting procedure, and the stamping processing is changed from single machine, single sequence and manual operation to automatic wire connection unmanned operation, so that the automation level of the procedure and the product quality are greatly improved, the labor intensity is reduced, the operation environment is improved, and the intrinsic safety is improved.
Claims (5)
1. The utility model provides a basket shape holder punching press automatic production line is with cutting die, its characterized in that: the device comprises a bottom cutting female die (403), a bottom cutting punch (405), a punch joint (410), a discharging mechanism, a guide pillar (402) and a guide sleeve (407); wherein the guide post (402) and the guide sleeve (407) are distributed on one side; the discharge mechanism is arranged outside the bottom cutting punch (405).
2. The bottoming die for the basket-shaped retainer stamping automatic production line according to claim 1, characterized in that: the discharging mechanism is composed of a discharging spring (412) and a discharging ring (406); a circular positioning hole matched with the punch joint (410) is formed in the bottom cutting punch (405); the discharging ring (406) is sleeved on the bottom cutting punch (405), a circular boss matched with the discharging spring (412) is arranged at the upper end of the discharging ring, and the outer circle of the discharging ring is conical; the discharge spring (412) is disposed between the punch adaptor (410) and the circular boss of the discharge ring (406) by a lead screw (411).
3. The bottoming die for the basket-shaped retainer stamping automatic production line according to claim 1 or 2, characterized in that: the die comprises a lower die holder (401), an upper die holder (408) and a die handle (409); the die handle (409), the upper die seat (408) and the punch head joint (410) are fixedly connected in sequence; the undercut cavity die (403) is arranged on the lower die holder (401).
4. The bottoming die for the basket-shaped retainer stamping automatic production line according to claim 1 or 2, characterized in that: also includes a positioning plate (404); the positioning plate (404) is sleeved on the undercut concave die (403), and the upper port part is provided with a conical positioning through hole.
5. The bottoming die for the basket-shaped retainer stamping automatic production line according to claim 3, characterized in that: also includes a positioning plate (404); the positioning plate (404) is sleeved on the undercut concave die (403), and the upper port part is provided with a conical positioning through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110852081.8A CN113814328A (en) | 2021-07-27 | 2021-07-27 | Bottom cutting die for stamping automatic production line of basket-shaped retainer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110852081.8A CN113814328A (en) | 2021-07-27 | 2021-07-27 | Bottom cutting die for stamping automatic production line of basket-shaped retainer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113814328A true CN113814328A (en) | 2021-12-21 |
Family
ID=78923955
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110852081.8A Pending CN113814328A (en) | 2021-07-27 | 2021-07-27 | Bottom cutting die for stamping automatic production line of basket-shaped retainer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113814328A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103302199A (en) * | 2013-06-07 | 2013-09-18 | 广东阳晨厨具有限公司 | Multi-station automatic feeding device for sheet forming |
| CN104353734A (en) * | 2014-10-30 | 2015-02-18 | 吴中区光福良盛机械厂 | Cutting and flaring combined mold for frame-shaped holder |
| CN206632202U (en) * | 2017-04-12 | 2017-11-14 | 苏州市东吴滚针轴承有限公司 | A kind of pressing cage device for cutting base of precise positioning |
| CN209969328U (en) * | 2019-01-28 | 2020-01-21 | 大连经济技术开发区井上模具有限公司 | High-precision long circular hole punching die for supporting cross beam |
| CN113814329A (en) * | 2021-07-27 | 2021-12-21 | 襄阳汽车轴承股份有限公司 | Basket-shaped retainer is cut into and is cut end punching press automatic production line |
| CN215392183U (en) * | 2021-07-27 | 2022-01-04 | 襄阳汽车轴承股份有限公司 | Bottom cutting die for stamping automatic production line of basket-shaped retainer |
| CN215392185U (en) * | 2021-07-27 | 2022-01-04 | 襄阳汽车轴承股份有限公司 | Basket-shaped retainer is cut into and is cut end punching press automatic production line |
-
2021
- 2021-07-27 CN CN202110852081.8A patent/CN113814328A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103302199A (en) * | 2013-06-07 | 2013-09-18 | 广东阳晨厨具有限公司 | Multi-station automatic feeding device for sheet forming |
| CN104353734A (en) * | 2014-10-30 | 2015-02-18 | 吴中区光福良盛机械厂 | Cutting and flaring combined mold for frame-shaped holder |
| CN206632202U (en) * | 2017-04-12 | 2017-11-14 | 苏州市东吴滚针轴承有限公司 | A kind of pressing cage device for cutting base of precise positioning |
| CN209969328U (en) * | 2019-01-28 | 2020-01-21 | 大连经济技术开发区井上模具有限公司 | High-precision long circular hole punching die for supporting cross beam |
| CN113814329A (en) * | 2021-07-27 | 2021-12-21 | 襄阳汽车轴承股份有限公司 | Basket-shaped retainer is cut into and is cut end punching press automatic production line |
| CN215392183U (en) * | 2021-07-27 | 2022-01-04 | 襄阳汽车轴承股份有限公司 | Bottom cutting die for stamping automatic production line of basket-shaped retainer |
| CN215392185U (en) * | 2021-07-27 | 2022-01-04 | 襄阳汽车轴承股份有限公司 | Basket-shaped retainer is cut into and is cut end punching press automatic production line |
Non-Patent Citations (1)
| Title |
|---|
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