CN208195370U - Stamping device with polishing function - Google Patents
Stamping device with polishing function Download PDFInfo
- Publication number
- CN208195370U CN208195370U CN201820829598.9U CN201820829598U CN208195370U CN 208195370 U CN208195370 U CN 208195370U CN 201820829598 U CN201820829598 U CN 201820829598U CN 208195370 U CN208195370 U CN 208195370U
- Authority
- CN
- China
- Prior art keywords
- workpiece
- cavity
- annular briquetting
- stamping device
- fixed cylinder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The utility model belongs to technical field of mechanical processing, specifically discloses a kind of stamping device with polishing function, including workbench, annular briquetting, mounting base and power mechanism, mounting base are equipped with formed punch and push rod；It is provided with through-hole on workbench, is equipped with fixed cylinder in workbench, the inner wall of fixed cylinder is provided with spiral groove, slidably connects in fixed cylinder and push away column, pushes away column equipped with upper kelly；It pushes away column upper portion side wall and is provided with cavity, polishing protrusion is slidably connected in cavity, is connected with the first spring between polishing protrusion and cavity；It is provided with cavity in annular briquetting, piston is slidably connected in cavity, is connected with second spring between piston and annular briquetting；Annular briquetting lower sides are equipped with filter bag and air intake duct；Air inlet pipe and an air outlet pipe is connected on the side wall on annular briquetting top, air inlet pipe is equipped with the first check valve, and escape pipe is equipped with second one-way valve.It using the present apparatus, can polish the inner wall for going out through-hole after punching processing, improve processing efficiency.
Description
Technical field
The utility model belongs to technical field of mechanical processing more particularly to a kind of stamping device with polishing function.
Background technique
Punch process is to make workpiece in mold directly by deformation force by means of the power of conventional or dedicated stamping equipment
And be deformed, to obtain the production technology of the product parts of certain shapes, size and performance.Workpiece, mold and equipment are
The three elements of punch process.Drop stamping and cold stamping can be divided by the temperature punching press of punch process, drop stamping is suitble to resistance of deformation
Height, the poor Sheet Metal Processing of plasticity；Cold stamping then carries out at room temperature, is the common process for stamping of general thin plate.
When being punched out currently with the mode of punch process to workpiece, primary operational is that sheet material workpiece is placed on lower die
On, it is realized by applying power to formed punch to workpiece surface application impact force, to complete the punching press to sheet material workpiece.Using upper
Method is stated to be punched out workpiece, it is jagged in the hole that workpiece is gone out, therefore also need after the completion of punching the hole wall to workpiece
It polishes, removes deburring, process is tedious, inefficiency.
Utility model content
The purpose of this utility model is to provide a kind of stamping device with polishing function, can liquidate after punching processing
The inner wall of through-hole is polished out, improves processing efficiency.
In order to achieve the above object, the base case of the utility model are as follows: there is the stamping device of polishing function, including work
Make the power that platform, the annular briquetting for fixing workpiece, the mounting base above workbench and drive installation seat move up and down
Mechanism, mounting base are equipped with the push rod of formed punch and inverted "L" shape；Being provided on workbench allows the through-hole that passes through of formed punch, in workbench
Equipped with fixed cylinder, the inner wall of fixed cylinder is provided with spiral groove, slidably connects in fixed cylinder and can extend into pushing away in through-hole
Column pushes away the kelly that column is fastened in groove equipped with one end；The side wall for pushing away column top is provided with cavity, is slidably connected in cavity useful
In the polishing protrusion for removing workpiece hole wall burr, the first spring is connected between polishing protrusion and cavity；It is provided in annular briquetting
Cavity slidably connects the piston for being fixed on push rod lower end in cavity, is connected with second spring between piston and annular briquetting；Ring
The side wall of shape briquetting lower part is equipped with filter bag and is connected with the air intake duct being located on the inside of annular briquetting, and air intake duct is equipped with one-way air inlet
Valve, annular briquetting are equipped with the one-way exhaust valve that can be connected to cavity and filter bag；It is connected on the side wall on annular briquetting top
The air inlet pipe and an air outlet pipe being connected to fixed cylinder, air inlet pipe are equipped with the first check valve, and escape pipe is equipped with second one-way valve.
The working principle of this base case is: the workpiece to punching being placed on the suitable position of workbench, is started
Power mechanism, push rod, formed punch in power mechanism drive installation seat and mounting base move downward together, annular pressure during downlink
Workpiece is fixed in the surface that block first falls in workpiece.When push rod continues traveling downwardly, the piston on push rod is along in annular briquetting
Cavity moves downward, and the pressure in annular briquetting upper cavity reduces, and the first check valve is opened, and fixed cylinder and cavity pass through air inlet
Pipe connection, the pressure in fixed cylinder also reduce, under the action of ambient pressure, push away column and move downward along fixed cylinder, push away column by
Gradually far from the through-hole on workbench.When piston downlink to a certain extent when, formed punch starts to contact with workpiece, formed punch to workpiece apply
Extruding force goes out through-hole on the surface of workpiece.After the completion of punching, power mechanism is operated, power mechanism drive installation seat and peace are made
Filling the push rod on seat, formed punch, uplink, push rod band piston are moved upwards along piston cylinder together, in this process, annular briquetting
Pressure in upper cavity increases, and second one-way valve is opened, and the gas in cavity is transferred in fixed cylinder by escape pipe, the gas
Body pushes away column and kelly moves upwards together, and due to being provided with spiral groove in fixed cylinder, one end of kelly is fastened on recessed
In slot, column is pushed away during pushing away column uplink and is also rotated also along groove.Pushing away column drives polishing protrusion to move together, polishes convex
It rises and is rotated while uplink, polishing protrusion protrudes into the through-hole of workpiece the hole wall for workpiece of polishing, and removes deburring.At the same time,
Pressure in annular briquetting lower cavity reduces, and breather cheek valve is opened, the clast generated in bruting process with gas together by
Air intake duct sucks in cavity.During polishing protrusion polishing workpiece hole wall, although push rod drives piston stroking upward, second
Under the active force of spring, annular briquetting is pressed in the surface of workpiece always, applies pressure to workpiece, avoids workpiece in the process of polishing
In deflect.After mounting base drives push rod and piston to continue to be up to certain altitude, annular briquetting is gradually distance from workpiece, this
When the workpiece after the completion of punching, polishing can be taken out.
The beneficial effect of this base case is:
1, processing is punched out to workpiece using the present apparatus, the inner wall for going out through-hole can be beaten after the completion of punching
Mill is not required to be not required to carry out two times of clamping, fixation to workpiece simultaneously using hole punched device and grinding device, effectively improves efficiency.
2, in the present solution, annular briquetting can automatically clamp workpiece, fix, the mistake in punching, polishing is avoided
Workpiece deflects in journey, is not required to that additional fixture is arranged, and is also not required to artificial operation, simplifies process, improves production efficiency.
3, clast can be generated during polishing workpiece hole wall, the air intake duct on annular briquetting can suck clast, avoid
Clast disperses everywhere, pollutes environment.
It further, further include limited post of the more fixations on the table for being limited to workpiece.Limited post is to work
Part plays the role of limit, and limited post can make workpiece be located at suitable position, it is ensured that formed punch can be gone out logical on the position of workpiece pair
Hole.
Further, limited post is equipped with three, and three limited posts can be contacted with three sides of workpiece respectively.Three limited posts
Three sides of workpiece are located at, three limited posts, which are arranged, can play preferable position-limiting action, and when needing to take out workpiece
The side that workpiece only need to be never arranged to limited post skids off, very convenient.
Further, it is located on two limited posts of workpiece opposite flank and is provided with sliding slot, slidably connecting in sliding slot can be with
The limited block of workpiece contact, is connected with third spring between limited block and workpiece.Limited block can slide in sliding slot, workpiece pair
When applying pressure limited block can retract in sliding slot limited block, and setting limited block can be such that limited block is preferably bonded with workpiece,
There is a more stable position-limiting action to workpiece.The position of limited block is adjustable simultaneously, is capable of fixing the different work of specification
Part increases the scope of application.
Further, the ball in groove is rotatably connected on kelly.Ball can be by the sliding between push rod and groove
Friction is changed into rolling friction, reduces the abrasion between kelly and groove, prolongs the service life.
Further, power mechanism is hydraulic cylinder, and mounting base is fixed on the piston rod of hydraulic cylinder.Hydraulic cylinder is from a wealth of sources,
It is easily operated and safe and reliable when work.
Further, the bottom of annular briquetting is pasted with rubber pad.When annular briquetting moves downward, rubber pad can buffer annular
Impact force between briquetting and workpiece avoids workpiece stress excessive and damages.
Detailed description of the invention
Fig. 1 is the structural schematic diagram for the stamping device embodiment that the utility model has polishing function；
Fig. 2 is the enlarged drawing of part A in Fig. 1；
Fig. 3 is the cross-sectional view of annular briquetting in Fig. 1.
Specific embodiment
The utility model is described in further detail below by specific embodiment:
Appended drawing reference in Figure of description 1 to 3 includes: hydraulic cylinder 10, mounting base 20, formed punch 21, push rod 22, piston
221, workbench 30, through-hole 31, fixed cylinder 40, push away column 41, cavity 411, the first spring 412, polishing protrusion 413, kelly 42, rolling
Pearl 421, workpiece 50, limited post 60, third spring 61, limited block 62, annular briquetting 70, second spring 71, one-way exhaust valve 72,
Filter bag 73, air intake duct 74, breather cheek valve 741, escape pipe 80, second one-way valve 81, air inlet pipe 90, the first check valve 91.
As shown in Figure 1-Figure 3, there is the stamping device of polishing function, including workbench 30, annular briquetting 70, power mechanism
With the mounting base 20 for being located at 30 top of workbench, the lower surface of mounting base 20 is welded with formed punch 21, the sidewall weld of mounting base 20
There is the push rod 22 of multiple inverted "L" shapes, multiple push rods 22 are uniformly distributed along the circumferential direction of mounting base 20.Power mechanism is hydraulic cylinder 10,
Mounting base 20 is fixed on the piston rod of hydraulic cylinder 10, and 10 drive installation seat 20 of hydraulic cylinder moves up and down.
The upper surface of workbench 30 is welded with three limited posts 60, and three limited posts 60 are located to punch workpiece 50
Three sides are provided with sliding slot wherein being located on two limited posts 60 of 50 opposite flank of workpiece, and being slidably connected in sliding slot can be with
The limited block 62 of 50 side of workpiece contact, is connected with third spring 61 between limited block 62 and limited post 60.In third spring 61
Under the action of, sliding slot is stretched out in the side of limited block 62, and the side that limited block 62 stretches out sliding slot is set as hemispherical, to limited block 62
The side apply active force can make limited block 62 retract sliding slot in.The through-hole 31 for allowing formed punch 21 to pass through is provided on workbench 30,
Fixed cylinder 40 is equipped in workbench 30, the inner wall of fixed cylinder 40 is provided with spiral groove, slidingly and sealingly connects in fixed cylinder 40
It is connected to and pushes away column 41, the top for pushing away column 41 stretches out fixed cylinder 40 and can extend into through-hole 31.It pushes away and is fixed with kelly 42, kelly on column 41
The ball 421 in groove is rotatably connected on 42.The side wall for pushing away 41 top of column is opened there are two cavity 411, two cavitys 411
It is uniformly distributed along the circumferential direction for pushing away column 41, the polishing protrusion for removing 50 hole wall burr of workpiece is slidably connected in cavity 411
413, it is connected with the first spring 412 between polishing protrusion 413 and sliding slot cavity 411, when polishing protrusion 413 is not by other external force
When, under the active force of the first spring 412, polishing protrusion 413 can stretch out cavity 411 far from the side for pushing away column 41.It polishes convex
The side for playing 413 stretching cavitys 411 is set as hemispherical, when 50 pairs of polishing protrusions 413 of workpiece apply active force, polishing protrusion
413 can be along the internal slide of cavity 411.
The bottom of annular briquetting 70 is pasted with rubber pad, and rubber pad can buffer the impact between annular briquetting 70 and workpiece 50
Power.It is provided with cavity in annular briquetting 70, piston 221 is slidably connected in cavity, the lower end of push rod 22 passes through annular briquetting 70 simultaneously
It is fixed on piston 221, is connected with second spring 71 between piston 221 and the bottom of annular briquetting 70.Under normal conditions,
The lower part of annular briquetting 70 is lower than the bottom of formed punch 21, when mounting base 20 drives formed punch 21 and annular 70 downlink of briquetting, annular
Briquetting 70 can be contacted first with workpiece 50.The side wall of annular 70 lower part of briquetting is equipped with filter bag 73 and is connected with air intake duct 74, filter bag 73
Positioned at the outside of annular briquetting 70, air intake duct 74 is located in the space that annular briquetting 70 surrounds, air intake duct 74 be equipped with unidirectionally into
Air valve 741, when the pressure in annular 70 lower cavity of briquetting reduces, breather cheek valve 741 is opened, and air intake duct 74 can absorb outer
The scrap generated in the gas and bruting process in portion.Annular briquetting 70 is equipped with the one-way exhaust that can be connected to cavity Yu filter bag 73
Valve 72, when the pressure in annular 70 lower cavity of briquetting increases, one-way exhaust valve 72 is opened, the gas and clast energy in the cavity
Enough discharges, subsequently into filter bag 73.The air inlet pipe being connected to fixed cylinder 40 is connected on the side wall on annular 70 top of briquetting
90 and escape pipe 80, air inlet pipe 90 is equipped with the first check valve 91, and escape pipe 80 is equipped with second one-way valve 81, when annular briquetting
When pressure in 70 upper cavities increases, second one-way valve 81 is opened, and the gas in the cavity can be entered by escape pipe 80
In fixed cylinder 40；When the pressure in annular 70 upper cavity of briquetting reduces, the first check valve 91 is opened, the gas in fixed cylinder 40
Body can be entered in the cavity on 70 top of annular briquetting by air inlet pipe 90.
When it is implemented, the workpiece 50 to punching is placed in the space that three limited posts 60 surround, on limited post 60
Limited block 62 be bonded with the side of workpiece 50, limited post 60 makes workpiece 50 be located at suitable position.Start hydraulic cylinder 10, it is hydraulic
10 drive installation seat 20 of cylinder, push rod 22, annular briquetting 70 and formed punch 21 move downward together, and annular briquetting 70 is most during downlink
Workpiece 50 is fixed in the surface for first falling in workpiece 50.221 edge of piston when push rod 22 goes downwards to certain position, on push rod 22
Cavity in annular briquetting 70 move downward, the pressure in annular 70 upper cavity of briquetting reduces, and the first check valve 91 is opened,
Fixed cylinder 40 is connected to cavity by air inlet pipe 90, and the pressure in fixed cylinder 40 also reduces, and under the action of ambient pressure, pushes away column
41 move downward along fixed cylinder 40, push away the through-hole 31 that column 41 is gradually distance from workbench 30.When piston 221 goes downwards to a positioning
When setting, the beginning of formed punch 21 is contacted with workpiece 50, and formed punch 21 applies extruding force to workpiece 50, goes out through-hole on the surface of workpiece 50
31。
After the completion of punching, hydraulic cylinder 10 is operated, makes 10 drive installation seat 20 of hydraulic cylinder and the push rod 22 in mounting base 20, punching
First 21 together uplink, push rod 22 moved upwards with piston 221 along annular briquetting 70, in this process, on annular briquetting 70
Pressure in portion's cavity increases, and second one-way valve 81 is opened, and the gas in cavity is transferred in fixed cylinder 40 by escape pipe 80,
The gas push pushes away column 41 and kelly 42 moves upwards together, due to being provided with spiral groove in fixed cylinder 40, kelly 42
One end is fastened in groove, is pushed away column 41 during pushing away 41 uplink of column and is also rotated also along groove.It pushes away column 41 and drives polishing
Protrusion 413 moves together, and polishing protrusion 413 rotates while uplink, and polishing protrusion 413 is protruded into the through-hole 31 of workpiece 50 and beaten
The hole wall of grinder part 50 removes deburring.At the same time, the pressure in annular 70 lower cavity of briquetting reduces, breather cheek valve 741
It opens, the clast generated in bruting process is sucked in cavity by air intake duct 74 together with gas.In 413 polishing workpiece of polishing protrusion
During 50 hole walls, although push rod 22, with 221 uplink of piston, under the active force of the second spring, annular briquetting 70 is always
It is pressed in the surface of workpiece 50, pressure is applied to workpiece 50, workpiece 50 is avoided to deflect in the grinding process.When mounting base 20
Push rod 22 and piston 221 is driven to continue after being up to certain altitude, annular briquetting 70 is gradually distance from workpiece 50, can will rush at this time
Workpiece 50 after the completion of hole, polishing takes out.
Above-described is only the embodiments of the present invention, and the common sense such as well known specific structure and characteristic are herein in scheme
It does not describe excessively.It should be pointed out that for those skilled in the art, in the premise for not departing from the utility model structure
Under, several modifications and improvements can also be made, these also should be considered as the protection scope of the utility model, these all will not influence
The effect and patent practicability that the utility model is implemented.This application claims protection scope should be with the content of its claim
Subject to, the records such as specific embodiment in specification can be used for explaining the content of claim.
Claims (7)
1. the stamping device with polishing function, it is characterised in that: annular briquetting, position including workbench, for fixing workpiece
The power mechanism that mounting base and drive installation seat above workbench move up and down, mounting base are equipped with formed punch and inverted "L" shape
Push rod；It is provided with the through-hole for allowing formed punch to pass through on workbench, is equipped with fixed cylinder in workbench, the inner wall of fixed cylinder is provided with spiral
The groove of shape, slidably connects to can extend into through-hole in fixed cylinder and pushes away column, pushes away column and is fastened in groove equipped with one end
Kelly；The side wall for pushing away column top is provided with cavity, and the polishing protrusion for removing workpiece hole wall burr is slidably connected in cavity, is beaten
The first spring is connected between mill protrusion and cavity；It is provided with cavity in annular briquetting, is slidably connected in cavity and is fixed on push rod
The piston of lower end is connected with second spring between piston and annular briquetting；The side wall of annular briquetting lower part is equipped with filter bag and connection
There is the air intake duct being located on the inside of annular briquetting, air intake duct is equipped with breather cheek valve, and annular briquetting, which is equipped with, can be connected to cavity
With the one-way exhaust valve of filter bag；It is connected with the air inlet pipe and an air outlet pipe being connected to fixed cylinder on the side wall on annular briquetting top,
Air inlet pipe is equipped with the first check valve, and escape pipe is equipped with second one-way valve.
2. the stamping device with polishing function according to claim 1, it is characterised in that: further include more and be fixed on work
Make the limited post on platform for being limited to workpiece.
3. the stamping device with polishing function according to claim 2, it is characterised in that: limited post is equipped with three, three
Root limited post can be contacted with three sides of workpiece respectively.
4. the stamping device with polishing function according to claim 3, it is characterised in that: be located at workpiece opposite flank
It is provided with sliding slot on two limited posts, the limited block that can be contacted with workpiece is slidably connected in sliding slot, between limited block and workpiece
It is connected with third spring.
5. the stamping device with polishing function according to claim 1, it is characterised in that: be rotatably connected to position on kelly
In the ball in groove.
6. the stamping device with polishing function according to claim 1, it is characterised in that: power mechanism is hydraulic cylinder,
Mounting base is fixed on the piston rod of hydraulic cylinder.
7. the stamping device with polishing function according to claim 1, it is characterised in that: paste the bottom of annular briquetting
There is rubber pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820829598.9U CN208195370U (en) | 2018-05-30 | 2018-05-30 | Stamping device with polishing function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820829598.9U CN208195370U (en) | 2018-05-30 | 2018-05-30 | Stamping device with polishing function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208195370U true CN208195370U (en) | 2018-12-07 |
Family
ID=64515820
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820829598.9U Active CN208195370U (en) | 2018-05-30 | 2018-05-30 | Stamping device with polishing function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208195370U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108453170A (en) * | 2018-05-30 | 2018-08-28 | 重庆伟福机械有限公司 | Decompressor with polishing function |
| CN110227784A (en) * | 2019-06-29 | 2019-09-13 | 徐州鑫旭机械制造有限公司 | One kind being used for automobile production aluminium forging process for fuel device |
| CN110640010A (en) * | 2019-09-20 | 2020-01-03 | 陈剑毅 | Capacitor case punching equipment |
| CN110756651A (en) * | 2019-11-06 | 2020-02-07 | 安徽省繁昌县皖南阀门铸造有限公司 | Punching device for hardware production |
| CN113732836A (en) * | 2021-11-05 | 2021-12-03 | 江苏二五七特显科技集团有限公司 | Intelligent LED lamp house structure preparation processing machinery |
| CN115213979A (en) * | 2022-09-20 | 2022-10-21 | 南通瑞泰电子有限公司 | Continuous riveting device for capacitor manufacturing |
| CN116141018A (en) * | 2023-01-06 | 2023-05-23 | 天津世亚模具股份有限公司 | Progressive die for machining automobile parts |
-
2018
- 2018-05-30 CN CN201820829598.9U patent/CN208195370U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108453170A (en) * | 2018-05-30 | 2018-08-28 | 重庆伟福机械有限公司 | Decompressor with polishing function |
| CN110227784A (en) * | 2019-06-29 | 2019-09-13 | 徐州鑫旭机械制造有限公司 | One kind being used for automobile production aluminium forging process for fuel device |
| CN110640010A (en) * | 2019-09-20 | 2020-01-03 | 陈剑毅 | Capacitor case punching equipment |
| CN110640010B (en) * | 2019-09-20 | 2020-10-27 | 佛山市顺德区百昇电子科技有限公司 | Capacitor case punching equipment |
| CN110756651A (en) * | 2019-11-06 | 2020-02-07 | 安徽省繁昌县皖南阀门铸造有限公司 | Punching device for hardware production |
| CN113732836A (en) * | 2021-11-05 | 2021-12-03 | 江苏二五七特显科技集团有限公司 | Intelligent LED lamp house structure preparation processing machinery |
| CN115213979A (en) * | 2022-09-20 | 2022-10-21 | 南通瑞泰电子有限公司 | Continuous riveting device for capacitor manufacturing |
| CN116141018A (en) * | 2023-01-06 | 2023-05-23 | 天津世亚模具股份有限公司 | Progressive die for machining automobile parts |
| CN116141018B (en) * | 2023-01-06 | 2023-09-12 | 天津世亚模具股份有限公司 | Progressive die for machining automobile parts |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208195370U (en) | Stamping device with polishing function | |
| CN108453170A (en) | Decompressor with polishing function | |
| CN108500129A (en) | Punching press polishing integrated device | |
| CN112139490A (en) | Automatic spinning forming device for powder liner | |
| CN107819387A (en) | What a kind of motor stator core rushed lamination manages welding tooling | |
| CN211990574U (en) | Stamping die | |
| CN112496181A (en) | Stamping device for automobile parts suitable for not unidimensional production and processing | |
| CN211990506U (en) | Stamping forming machine is used in processing of aluminium foil cutlery box | |
| CN207681872U (en) | Baffle ring press-in device | |
| CN108311872A (en) | A kind of belt pulley bearing pressure-riveting one tooling | |
| CN208067713U (en) | A kind of belt pulley bearing pressure-riveting one tooling | |
| CN211101127U (en) | Hardware mould convenient to hardware fitting deckle edge is polished | |
| CN115283552A (en) | Do benefit to car stamping die that work piece was polished | |
| CN208662308U (en) | A kind of metal stamping die with deburring structure | |
| CN114054587B (en) | Blade processing device and processing method of neck hanging type fan | |
| CN111761463B (en) | Aluminium system abnormal shape base wire drawing device | |
| CN204638897U (en) | Cold punching die | |
| CN117102369B (en) | Stamping device for shaping compressor shell | |
| CN208944974U (en) | A kind of anti-deformation automobile engine cylinder progressive die | |
| CN106964706A (en) | The diel of mould tapping and mould tapping technique | |
| CN208006326U (en) | A kind of cavity liner automatic demolding device | |
| CN209175271U (en) | Mobile phone metal shell edge cutting apparatus | |
| CN219043636U (en) | Gear multistation forging die | |
| CN210647959U (en) | Stamping die of accurate connection car connecting rod | |
| CN109648496A (en) | A kind of multi-functional quick clamping mechanism |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |