CN110142326A - Stamping device is used in a kind of processing of sheet metal - Google Patents
Stamping device is used in a kind of processing of sheet metal Download PDFInfo
- Publication number
- CN110142326A CN110142326A CN201910436054.5A CN201910436054A CN110142326A CN 110142326 A CN110142326 A CN 110142326A CN 201910436054 A CN201910436054 A CN 201910436054A CN 110142326 A CN110142326 A CN 110142326A
- Authority
- CN
- China
- Prior art keywords
- sheet metal
- slide bar
- stamping device
- workbench
- mobile base
- 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.)
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Classifications
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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
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/02—Stamping using rigid devices or tools
- B21D22/06—Stamping using rigid devices or tools having relatively-movable die parts
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Press Drives And Press Lines (AREA)
Abstract
The present invention relates to stamping equipment technical fields, specifically a kind of sheet metal processing stamping device, including workbench and hydraulic cylinder, support column is fixed on workbench, the upper portion side wall of support column is equipped with the first slide bar, first slide bar is horizontally disposed, first slide bar is equipped with Mobile base, first slide bar is slidably connected through Mobile base and with it, hydraulic cylinder is mounted on Mobile base, the output end of hydraulic cylinder is connected with punch rod, and the bottom end of punch rod is connected with forming convax mould, and workbench is equipped with the molding concave die cooperated with forming convax mould；The sheet metal processing stamping device further includes the driving mechanism for driving Mobile base transverse shifting.The sheet metal processing is rotated with stamping device by driving motor band moving gear, to drive hydraulic cylinder, punch rod and forming convax mould transverse shifting, the punching press that different location can be carried out to the sheet metal being placed on molding concave die, it is easy to use without the mobile sheet metal of worker.
Description
Technical field
The present invention relates to stamping equipment technical field, stamping device is used in specifically a kind of sheet metal processing.
Background technique
Punch process is to make plate in mold directly by deformation force by means of the power of conventional or dedicated stamping equipment
And deformed, to obtain the production technology of the product parts of certain shapes, size and performance.Stamping parts and casting, forging
It compares, has the characteristics that thin, even, light, strong.Punching press can produce that other methods are difficult to manufacture with reinforcing rib, rib, rise and fall or turn over
The workpiece on side, to improve its rigidity.
In the process of sheet metal, punch forming is one of process.Punching course is mainly filled by punching press
Completion is set, sheet metal punching device in the prior art is essentially all by stamping equipment, forming convax mould and molding concave die
Cooperation, using stamping equipment drive forming convax mould push realize sheet metal punching press, still, after punching press is primary, if
It needs to change a position and continues punching press, to be also not easy to multiple positions on one block of plate of punching press by artificial mobile plate.There is mirror
In this, the invention proposes a kind of sheet metal processing stamping devices.
Summary of the invention
The purpose of the present invention is to provide a kind of sheet metal processing stamping devices, to solve to mention in above-mentioned background technique
Out the problem of.
To achieve the above object, the invention provides the following technical scheme:
A kind of sheet metal processing stamping device, including workbench and hydraulic cylinder are fixed with support column on the workbench, prop up
The upper portion side wall of dagger is equipped with the first slide bar, and the first slide bar is horizontally disposed, and the first slide bar is equipped with Mobile base, and the first slide bar passes through
It wears Mobile base and is slidably connected with it, the first slide bar is symmetrically arranged two；
The hydraulic cylinder is mounted on Mobile base, and the output end of hydraulic cylinder is connected with punch rod, and punch rod passes through Mobile base, punching press
The bottom end of bar is connected with forming convax mould, and the workbench is equipped with the molding concave die cooperated with forming convax mould；By hydraulic cylinder and
Punch rod drives forming convax mould lifting, and the punching press to sheet metal is realized using the cooperation of forming convax mould and molding concave die；
The sheet metal processing stamping device further includes the driving mechanism for driving Mobile base transverse shifting；Pass through driving
Mechanism drives Mobile base transverse shifting, and then drives hydraulic cylinder, punch rod and forming convax mould transverse shifting, can be to being placed on into
Sheet metal on type cavity plate carries out the punching press of different location, easy to use without the mobile sheet metal of worker.
As a further solution of the present invention: the driving mechanism includes driving motor, gear and rack gear；
The driving motor is mounted on Mobile base, and positioned at the front side of hydraulic cylinder, the output shaft of driving motor is connect with gear, tooth
Wheel and rack engagement；
The rack gear is arranged in the top sidewall of support column, positioned at the top of the first slide bar；Pass through driving motor band moving gear
Rotation, using the engagement of wheel and rack and being slidably matched for Mobile base and the first slide bar, and then drive Mobile base is along first
Slide bar transverse shifting, so that hydraulic cylinder, punch rod and forming convax mould are shifted along a transverse shifting.
As further scheme of the invention: the workbench is equipped with the fixation kit for fixed-type cavity plate.
As further scheme of the invention: the fixation kit includes convex block and fastening screw；
The convex block is arranged on the upper surface of workbench, and the bottom of molding concave die offers the first groove with convex block cooperation；
The workbench is equipped with fixed plate, and fixed plate is located at the two sides of molding concave die, fastening screw through fixed plate simultaneously and its
It is threadedly coupled, the side of molding concave die is equipped with the second groove cooperated with fastening screw；
The end of the fastening screw is equipped with lug, can be convenient rotational fastener screw rod by lug；It is recessed by convex block and first
The cooperation of slot using being threadedly engaged for fastening screw and fixed plate, is revolved by lug so that convex block can be inserted in the first groove
Turn fastening screw, so that fastening screw protrudes into the second groove, extrusion forming cavity plate achievees the purpose that fixed-type cavity plate, keeps away
Exempt from molding concave die in punching course to be displaced, influences stamping quality.
As further scheme of the invention: being equipped with correcting mount on the workbench, correcting mount is symmetrically arranged
Two, two correcting mounts are located at the two sides of molding concave die, offer third groove on correcting mount, and the is equipped in third groove
Two slide bars and push plate, the second slide bar are symmetrically arranged two, and the second slide bar is slidably connected through push plate and with it；
Hydraulic telescopic rod is installed, the output end of hydraulic telescopic rod is connect with push plate on the correcting mount；By the second slide bar with
Push plate is slidably matched, mobile using the flexible drive push plate of hydraulic telescopic rod, carries out school to the sheet metal on molding concave die
Just, the position of sheet metal is adjusted.
As further scheme of the invention: floor is equipped between the punch rod and forming convax mould, it is steady for enhancing
Solidity.
As further scheme of the invention: being equipped with support on the bottom surface of the workbench, the bottom of support is equipped with
Pin shaft is hinged with first support bar and second support bar on pin shaft, and first support bar and second support bar are arranged in a crossed manner；
The bottom of the first support bar and second support bar is mounted on movable pulley, between the top and support of second support bar
It is connected with the first spring, is connected with second spring between the top and support of first support bar；In punching course, the sheet metal
Processing generates vibration with stamping device, passes through first support bar, second support bar, pin shaft, support, the first spring and second spring
Cooperation, first support bar and second support bar can rotate around pin shaft, stretch or the first spring of compression and second spring, have
The effect of damping can be convenient the mobile sheet metal processing stamping device by movable pulley.
Compared with prior art, the beneficial effects of the present invention are:
1. the sheet metal processing drives forming convax mould to go up and down with stamping device by hydraulic cylinder and punch rod, forming convax mould is utilized
The punching press to sheet metal is realized in cooperation with molding concave die, after punching press is primary, is rotated, is utilized by driving motor band moving gear
The engagement of wheel and rack and Mobile base are slidably matched with the first slide bar, and then Mobile base is driven laterally to move along the first slide bar
It is dynamic, it, can be to being placed on molding concave die so that hydraulic cylinder, punch rod and forming convax mould are shifted along a transverse shifting
Sheet metal carry out the punching press of different location, it is easy to use without the mobile sheet metal of worker.
2. the sheet metal processing passes through the cooperation of convex block and the first groove with stamping device, convex block is inserted into the first groove
In, using being threadedly engaged for fastening screw and fixed plate, by lug rotational fastener screw rod, so as to protrude into second recessed for fastening screw
In slot, extrusion forming cavity plate achievees the purpose that fixed-type cavity plate, and molding concave die in punching course is avoided to be displaced influence punching
Press quality.
3. the sheet metal processing stamping device is slidably matched by the second slide bar and push plate, hydraulic telescopic rod is utilized
Flexible drive push plate it is mobile, the sheet metal on molding concave die can be corrected, adjust the position of sheet metal.
4. the sheet metal processing passes through first support bar, second support bar, pin shaft, support, the first bullet with stamping device
The cooperation of spring and second spring, has the effect of damping, can be convenient the mobile sheet metal processing punching press by movable pulley
Device.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the embodiment of the present invention 1.
Fig. 2 is the overlooking structure diagram of the first slide bar and Mobile base in the embodiment of the present invention 1.
Fig. 3 is the schematic perspective view of Mobile base and hydraulic cylinder in the embodiment of the present invention 1.
Fig. 4 is the schematic perspective view of molding concave die in the embodiment of the present invention 1.
Fig. 5 is the overlooking structure diagram of molding concave die, correcting mount and fastening screw in the embodiment of the present invention 1.
Fig. 6 is the schematic perspective view of correcting mount and the second slide bar in the embodiment of the present invention 1.
Fig. 7 is the structural schematic diagram of the embodiment of the present invention 2.
In figure: 1- workbench, 2- correcting mount, 3- hydraulic telescopic rod, 4- push plate, 5- support column, the first slide bar of 6-, 7- tooth
Item, 8- hydraulic cylinder, 9- driving motor, 10- Mobile base, 11- forming convax mould, 12- punch rod, 13- floor, 14- gear, 15- are tight
Gu screw rod, 16- fixed plate, 17- convex block, 18- molding concave die, the first groove of 19-, the second groove of 20-, the second slide bar of 21-, 22-
Lug, 23- third groove, 24- first support bar, 25- movable pulley, 26- second support bar, 27- pin shaft, 28- support, 29-
One spring, 30- second spring.
Specific embodiment
The technical solution of the patent is explained in further detail With reference to embodiment.
Embodiment 1
Please refer to Fig. 1-6, in the embodiment of the present invention, a kind of sheet metal processing stamping device, including workbench 1 and hydraulic cylinder
8, support column 5 is fixed on the workbench 1, the upper portion side wall of support column 5 is equipped with the first slide bar 6, and 6 level of the first slide bar is set
It sets, the first slide bar 6 is equipped with Mobile base 10, and the first slide bar 6 is slidably connected through Mobile base 10 and with it, and the first slide bar 6 is pair
Claim two of setting；
The hydraulic cylinder 8 is mounted on Mobile base 10, and the output end of hydraulic cylinder 8 is connected with punch rod 12, and punch rod 12, which passes through, moves
Dynamic seat 10, the bottom end of punch rod 12 are connected with forming convax mould 11, and the workbench 1 is equipped with the molding cooperated with forming convax mould 11
Cavity plate 18；It drives forming convax mould 11 to go up and down by hydraulic cylinder 8 and punch rod 12, utilizes matching for forming convax mould 11 and molding concave die 18
Close the punching press realized to sheet metal；
The sheet metal processing stamping device further includes the driving mechanism for driving 10 transverse shifting of Mobile base；Pass through drive
Motivation structure drives 10 transverse shifting of Mobile base, and then drives hydraulic cylinder 8,11 transverse shifting of punch rod 12 and forming convax mould, can be with
The punching press that different location is carried out to the sheet metal being placed on molding concave die 18, without the mobile sheet metal of worker, user
Just.
Further, the driving mechanism includes driving motor 9, gear 14 and rack gear 7；
The driving motor 9 is mounted on Mobile base 10, positioned at the front side of hydraulic cylinder 8, the output shaft and gear 14 of driving motor 9
Connection, gear 14 are engaged with rack gear 7；
The rack gear 7 is arranged in the top sidewall of support column 5, positioned at the top of the first slide bar 6；It is driven by driving motor 9
Gear 14 rotates, using engaging for gear 14 and rack gear 7 and being slidably matched for Mobile base 10 and the first slide bar 6, and then drive shifting
Seat 10 is moved along 6 transverse shifting of the first slide bar, so that hydraulic cylinder 8, punch rod 12 and forming convax mould 11 are shifted along seat
10 transverse shiftings.
Further, the workbench 1 is equipped with the fixation kit for fixed-type cavity plate 18.
Specifically, the fixation kit includes convex block 17 and fastening screw 15；
The convex block 17 is arranged on the upper surface of workbench 1, and the bottom of molding concave die 18 offers the cooperated with convex block 17
One groove 19；
The workbench 1 is equipped with fixed plate 16, and fixed plate 16 is located at the two sides of molding concave die 18, and fastening screw 15 is through fixation
Plate 16 is simultaneously threadedly coupled with it, and the side of molding concave die 18 is equipped with the second groove 20 cooperated with fastening screw 15；
The end of the fastening screw 15 is equipped with lug 22, can be convenient rotational fastener screw rod 15 by lug 22；Pass through convex block
17 and first the cooperation of groove 19 utilize fastening screw 15 and fixed plate 16 so that convex block 17 can be inserted in the first groove 19
Be threadedly engaged, by 22 rotational fastener screw rod 15 of lug, so that fastening screw 15 protrudes into the second groove 20, extrusion forming is recessed
Mould 18 achievees the purpose that fixed-type cavity plate 18, avoids molding concave die 18 in punching course from being displaced, influences stamping quality.
Further, for the ease of adjusting the position of sheet metal being placed on molding concave die 18, on the workbench 1
Correcting mount 2 is installed, correcting mount 2 is symmetrically arranged two, and two correcting mounts 2 are located at the two sides of molding concave die 18, school
Third groove 23 is offered on central seats that directly face the stage 2, the second slide bar 21 and push plate 4 are equipped in third groove 23, and the second slide bar 21 is symmetrically to set
Two set, the second slide bar 21 are slidably connected through push plate 4 and with it；
Hydraulic telescopic rod 3 is installed, the output end of hydraulic telescopic rod 3 is connect with push plate 4 on the correcting mount 2；It is sliding by second
Bar 21 is slidably matched with push plate 4, mobile using the flexible drive push plate 4 of hydraulic telescopic rod 3, to the metal on molding concave die 18
Plate is corrected, and adjusts the position of sheet metal.
Further, floor 13 is equipped between the punch rod 12 and forming convax mould 11, for enhancing stability, specifically
, floor 13 can be fixed on by welding in punch rod 12 and forming convax mould 11.
The working principle of the embodiment of the present invention is: in use, passing through firstly, molding concave die 18 is mounted on workbench 1
The cooperation of convex block 17 and the first groove 19, convex block 17 are inserted into the first groove 19, utilize the spiral shell of fastening screw 15 and fixed plate 16
Line cooperation, by 22 rotational fastener screw rod 15 of lug, so that fastening screw 15 protrudes into the second groove 20, extrusion forming cavity plate
18, achieve the purpose that fixed-type cavity plate 18, molding concave die 18 in punching course is avoided to be displaced influence stamping quality；So
Afterwards, sheet metal to be punched is placed on molding concave die 18, by being slidably matched for the second slide bar 21 and push plate 4, utilizes liquid
It presses the flexible drive push plate 4 of telescopic rod 3 mobile, the sheet metal on molding concave die 18 is corrected, sheet metal is adjusted
Position；Finally, driving forming convax mould 11 to go up and down by hydraulic cylinder 8 and punch rod 12, forming convax mould 11 and molding concave die 18 are utilized
Cooperation realize punching press to sheet metal, after punching press is primary, is rotated by driving motor 9 with moving gear 14, utilize gear 14
With engaging for rack gear 7 and being slidably matched for Mobile base 10 and the first slide bar 6, and then drive Mobile base 10 horizontal along the first slide bar 6
To movement, so that hydraulic cylinder 8, punch rod 12 and forming convax mould 11 are shifted along 10 transverse shifting of seat, it can be to placement
Sheet metal on molding concave die 18 carries out the punching press of different location, easy to use without the mobile sheet metal of worker.
Embodiment 2
Referring to Fig. 7, in the embodiment of the present invention, a kind of sheet metal processing stamping device, unlike the first embodiment, institute
It states and support 28 is installed on the bottom surface of workbench 1, the bottom of support 28 is equipped with pin shaft 27, is hinged with first support bar on pin shaft 27
24 and second support bar 26, first support bar 24 and second support bar 26 it is arranged in a crossed manner；
The bottom of the first support bar 24 and second support bar 26 is mounted on movable pulley 25, the top of second support bar 26 with
It is connected with the first spring 29 between support 28, is connected with second spring 30 between the top and support 28 of first support bar 24；Punching
During pressure, which generates vibration with stamping device, passes through first support bar 24, second support bar 26, pin shaft
27, the cooperation of support 28, the first spring 29 and second spring 30, first support bar 24 and second support bar 26 can be around pin shafts 27
Rotation stretches or compresses the first spring 29 and second spring 30, has the effect of damping, can be convenient movement by movable pulley 25
Stamping device is used in sheet metal processing.
The working principle of the embodiment of the present invention is: in use, passing through firstly, molding concave die 18 is mounted on workbench 1
The cooperation of convex block 17 and the first groove 19, convex block 17 are inserted into the first groove 19, utilize the spiral shell of fastening screw 15 and fixed plate 16
Line cooperation, by 22 rotational fastener screw rod 15 of lug, so that fastening screw 15 protrudes into the second groove 20, extrusion forming cavity plate
18, achieve the purpose that fixed-type cavity plate 18, molding concave die 18 in punching course is avoided to be displaced influence stamping quality；So
Afterwards, sheet metal to be punched is placed on molding concave die 18, by being slidably matched for the second slide bar 21 and push plate 4, utilizes liquid
It presses the flexible drive push plate 4 of telescopic rod 3 mobile, the sheet metal on molding concave die 18 is corrected, sheet metal is adjusted
Position；Finally, driving forming convax mould 11 to go up and down by hydraulic cylinder 8 and punch rod 12, forming convax mould 11 and molding concave die 18 are utilized
Cooperation realize punching press to sheet metal, after punching press is primary, is rotated by driving motor 9 with moving gear 14, utilize gear 14
With engaging for rack gear 7 and being slidably matched for Mobile base 10 and the first slide bar 6, and then drive Mobile base 10 horizontal along the first slide bar 6
To movement, so that hydraulic cylinder 8, punch rod 12 and forming convax mould 11 are shifted along 10 transverse shifting of seat, it can be to placement
Sheet metal on molding concave die 18 carries out the punching press of different location, easy to use without the mobile sheet metal of worker；Pass through
The cooperation of first support bar 24, second support bar 26, pin shaft 27, support 28, the first spring 29 and second spring 30 has damping
Effect, the mobile sheet metal processing stamping device can be convenient by movable pulley 25.
Better embodiment of the invention is explained in detail above, but the present invention is not limited to above-mentioned embodiment party
Formula within the knowledge of one of ordinary skill in the art can also be without departing from the purpose of the present invention
Various changes can be made.
Claims (7)
1. a kind of sheet metal processing stamping device, including workbench (1) and hydraulic cylinder (8), which is characterized in that the work
It is fixed on platform (1) support column (5), the upper portion side wall of support column (5) is equipped with the first slide bar (6), and the first slide bar (6) level is set
It sets, the first slide bar (6) is equipped with Mobile base (10), and the first slide bar (6) is slidably connected through Mobile base (10) and with it；
The hydraulic cylinder (8) is mounted on Mobile base (10), and the output end of hydraulic cylinder (8) is connected with punch rod (12), punch rod
(12) Mobile base (10) are passed through, the bottom end of punch rod (12) is connected with forming convax mould (11), the workbench (1) be equipped with at
The molding concave die (18) of type punch-pin (11) cooperation；
The sheet metal processing stamping device further includes the driving mechanism for driving Mobile base (10) transverse shifting.
2. sheet metal processing stamping device according to claim 1, which is characterized in that the driving mechanism includes driving
Dynamic motor (9), gear (14) and rack gear (7)；
The driving motor (9) is mounted on Mobile base (10), and the output shaft of driving motor (9) is connect with gear (14), gear
(14) it is engaged with rack gear (7)；
The rack gear (7) is arranged in the top sidewall of support column (5).
3. sheet metal processing stamping device according to claim 2, which is characterized in that set on the workbench (1)
There is the fixation kit for fixed-type cavity plate (18).
4. sheet metal processing stamping device according to claim 3, which is characterized in that the fixation kit includes convex
Block (17) and fastening screw (15)；
The convex block (17) is arranged on the upper surface of workbench (1), and the bottom of molding concave die (18) offers and convex block (17)
The first groove (19) of cooperation；
The workbench (1) is equipped with fixed plate (16), and fastening screw (15) is threadedly coupled through fixed plate (16) and with it, at
The side of type cavity plate (18) is equipped with the second groove (20) cooperated with fastening screw (15)；
The end of the fastening screw (15) is equipped with lug (22).
5. sheet metal processing stamping device according to claim 4, which is characterized in that pacify on the workbench (1)
Equipped with correcting mount (2), correcting mount (2) is symmetrically arranged two, and two correcting mounts (2) are located at the two of molding concave die (18)
Side offers third groove (23) on correcting mount (2), is equipped with the second slide bar (21) and push plate (4) in third groove (23), and second
Slide bar (21) is slidably connected through push plate (4) and with it；
It is equipped with hydraulic telescopic rod (3) on the correcting mount (2), the output end of hydraulic telescopic rod (3) is connect with push plate (4).
6. -5 any sheet metal processing stamping device according to claim 1, which is characterized in that the punch rod
(12) floor (13) are equipped between forming convax mould (11).
7. sheet metal processing stamping device according to claim 6, which is characterized in that the bottom of the workbench (1)
It is equipped on face support (28), the bottom of support (28) is equipped with pin shaft (27), is hinged with first support bar (24) on pin shaft (27)
With second support bar (26)；
The bottom of the first support bar (24) and second support bar (26) is mounted on movable pulley (25), second support bar (26)
Top and support (28) between be connected with the first spring (29), connected between the top and support (28) of first support bar (24)
There are second spring (30).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910436054.5A CN110142326A (en) | 2019-05-23 | 2019-05-23 | Stamping device is used in a kind of processing of sheet metal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910436054.5A CN110142326A (en) | 2019-05-23 | 2019-05-23 | Stamping device is used in a kind of processing of sheet metal |
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| Publication Number | Publication Date |
|---|---|
| CN110142326A true CN110142326A (en) | 2019-08-20 |
Family
ID=67592792
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910436054.5A Pending CN110142326A (en) | 2019-05-23 | 2019-05-23 | Stamping device is used in a kind of processing of sheet metal |
Country Status (1)
| Country | Link |
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| CN (1) | CN110142326A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113172138A (en) * | 2021-04-28 | 2021-07-27 | 柏兆(吉安)电子有限责任公司 | Computer host panel stamping equipment |
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|---|---|---|---|---|
| CN113172138A (en) * | 2021-04-28 | 2021-07-27 | 柏兆(吉安)电子有限责任公司 | Computer host panel stamping equipment |
| CN113172138B (en) * | 2021-04-28 | 2022-12-23 | 柏兆(吉安)电子有限责任公司 | Computer host panel stamping equipment |
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Application publication date: 20190820 |
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| RJ01 | Rejection of invention patent application after publication |