CN107127249A - A kind of high-precision metal plate part one-shot forming apparatus - Google Patents
A kind of high-precision metal plate part one-shot forming apparatus Download PDFInfo
- Publication number
- CN107127249A CN107127249A CN201710532527.2A CN201710532527A CN107127249A CN 107127249 A CN107127249 A CN 107127249A CN 201710532527 A CN201710532527 A CN 201710532527A CN 107127249 A CN107127249 A CN 107127249A
- Authority
- CN
- China
- Prior art keywords
- staking punch
- skewback
- drive mechanism
- die body
- guide groove
- 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
-
- 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
- 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
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
-
- 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
- B21D37/08—Dies with different parts for several steps in a process
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Punching Or Piercing (AREA)
Abstract
The invention discloses a kind of high-precision metal plate part one-shot forming apparatus, including：Workbench, the first staking punch, the second staking punch, the first die body, the second die body, the first skewback, the second skewback, the first drive mechanism, the second drive mechanism and the 3rd drive mechanism.The present invention is configured by the installation relation to the first staking punch, the second staking punch, the first die body, the second die body, and the first guide groove, the second guide groove are set on the second die body, the first skewback, the second skewback are set in the both sides of the second staking punch, the first skewback, the second skewback is synchronized with the movement with the second staking punch.Allow the device to be automatically performed blanking and forming action, substantially increase the production efficiency of sheet metal component, reduce enterprise's production cost, improve the market competitiveness of enterprise, and the error of workpiece is small, precision is high.
Description
Technical field
The present invention relates to panel beating equipment technical field, more particularly to a kind of high-precision metal plate part one-shot forming apparatus.
Background technology
It is well known that sheet metal component will first cut blanking in process, type is then pressed into.And for some volumes compared with
For the larger sheet metal component of small and demand, because its market price is relatively low, and production cost input lacks not reduction, not only
Profit is small, and yields poorly, and is unfavorable for enterprise development.
The content of the invention
The technical problem existed based on above-mentioned background technology, the present invention proposes a kind of high-precision metal plate part one-shot forming dress
Put.
The present invention proposes a kind of high-precision metal plate part one-shot forming apparatus, including：Workbench, the first staking punch, second
Staking punch, the first die body, the second die body, the first skewback, the second skewback, the first drive mechanism, the second drive mechanism and the 3rd drive
Motivation structure, wherein：
Workbench is provided with linearly extended line style guide rail, and one end of line style guide rail is provided with the first limited post, its other end
Provided with the second limited post；
First staking punch, the second staking punch are respectively positioned on the top of workbench and the prolonging along line style guide rail in the top of workbench
Direction spacing arrangement is stretched, the first staking punch is connected with the first drive mechanism and driven by the first drive mechanism and moved up and down, second
Staking punch is connected with the second drive mechanism and driven by the second drive mechanism and moved up and down；
First die body has material-dropping hole, and the lower surface of the first die body is provided with the first installation portion, the second installation portion；First die body
Positioned at the lower section of the first staking punch, and the material-dropping hole is located along the same line with the first staking punch, the first installation portion, the second peace
Dress portion line style guide rail both sides positioned opposite are simultaneously fixed with workbench；
Second die body has a die cavity, the second die body upper surface and is led positioned at the outside of die cavity provided with the first guide groove, second
To groove, first guide groove, the second guide groove arrange that the first guide groove, the second guide groove are leaned on along line style guide rail direction spacing
The side side wall of plesiotype chamber is inclined-plane, and the spacing between the inclined-plane and die cavity axial line is incremented by successively；Second module is located at
Between first installation portion and the second installation portion and on the line style guide rail, the second die body is connected with the 3rd drive mechanism and by the
Three drive mechanisms are moved back and forth on line style guide rail, and in motion process, when the second die body and the first limited post against when, institute
Die cavity is stated to be located along the same line with material-dropping hole, when the second die body and the second limited post against when, the die cavity and the second punching press
Head is located along the same line；
First skewback is located at the second staking punch close to the side of the first staking punch, and it is remote that the second skewback is located at the second staking punch
The side of first staking punch, the first skewback, the second skewback are connected with the second drive mechanism and driven by the second drive mechanism respectively
It is synchronized with the movement with the second staking punch, the first skewback, the second skewback are inclined-plane close to the side of the second staking punch side, and this is oblique
Spacing between face and the second staking punch axial line is incremented by successively from top to bottom.
Preferably, width of first guide groove on line style guide rail bearing of trend is more than the first skewback and extended in line style guide rail
Width on direction, and when the second staking punch and the second die body matched moulds, the inclined-plane of first skewback and the first guide groove
Inclined-plane is against with spacing between the lower surface of the lower surface of the first skewback and the first guide groove.
Preferably, width of second guide groove on line style guide rail bearing of trend is more than the second skewback and extended in line style guide rail
Width on direction, and when the second staking punch and the second die body matched moulds, the inclined-plane of second skewback and the second guide groove
Inclined-plane is against with spacing between the lower surface of the lower surface of the second skewback and the second guide groove.
Preferably, the both sides of the first staking punch are provided with the first pre- compression leg, the second pre- compression leg arranged vertically, and described first is pre-
Compression leg is located at side of first staking punch away from the second staking punch, and the second pre- compression leg is located at the first staking punch close to the second staking punch
Side, the first pre- compression leg, the second pre- compression leg are connected with the first drive mechanism and by the driving of the first drive mechanism with first respectively
Staking punch synchronization action, the first pre- compression leg, the lower surface of the second pre- compression leg are mounted on compression spring.
Preferably, the lower surface of compression spring is provided with the block rubber being secured to.
Preferably, the first staking punch is connected by the first installing plate with the first drive mechanism；The first pre- compression leg, second
Pre- compression leg is fixedly connected with the first installing plate.
Preferably, the second staking punch is connected by the second installing plate with the second drive mechanism；It is first skewback, second oblique
Block is fixedly connected with the second installing plate.
Preferably, the second die body is slidably connected with the first die body.
In the present invention, carried out by the installation relation to the first staking punch, the second staking punch, the first die body, the second die body
Set, the first die body is located at the lower section of the first staking punch, material-dropping hole is located along the same line with the first staking punch, makes the second mould
Body is located at the lower section of the first die body, slides bearing of trend of second die body in the lower section of the first die body along line style guide rail, and make
Its in sliding process, when the second die body and the first limited post against when, the die cavity is located along the same line with material-dropping hole, when
Second die body and the second limited post against when, the die cavity is located along the same line with the second staking punch；By in the second die body
The first guide groove of upper setting, the second guide groove, set the first skewback, the second skewback, and make first in the both sides of the second staking punch
Skewback, the second skewback are synchronized with the movement with the second staking punch.During work, when die cavity is located along the same line with material-dropping hole, utilize
First drive mechanism drives the first staking punch to move downward, and the first staking punch is coordinated with the first die body and material pieces are rushed
Cut out so that blank is automatically fallen into die cavity along material-dropping hole, when die cavity and the second staking punch are located along the same line, utilization
Second drive mechanism drives the first skewback, the second skewback and the second staking punch synchronously to move down, oblique using first in folding process
Block, the second skewback and the first guide groove, the second guide groove coordinate to die cavity centering and fixation, utilize the second staking punch and the second mould
Body coordinates enters compressing by the blanking in die cavity.The structure substantially increases the production efficiency of sheet metal component, reduces enterprise
Production cost, improves the market competitiveness of enterprise, and the error of workpiece is small, precision is high.
Brief description of the drawings
Fig. 1 is a kind of structural representation one of high-precision metal plate part one-shot forming apparatus proposed by the present invention；
Fig. 2 is a kind of structural representation two of high-precision metal plate part one-shot forming apparatus proposed by the present invention.
Embodiment
Below, technical scheme is described in detail by specific embodiment.
As shown in Figure 1-2, Fig. 1 is a kind of structural representation of high-precision metal plate part one-shot forming apparatus proposed by the present invention
One；Fig. 2 is a kind of structural representation two of high-precision metal plate part one-shot forming apparatus proposed by the present invention.
Reference picture 1-2, a kind of high-precision metal plate part one-shot forming apparatus that the embodiment of the present invention is proposed, including：Workbench
1st, the first staking punch 2, the second staking punch 3, the first die body 4, the second die body 5, the first skewback 6, the second skewback 7, the first driving machine
Structure, the second drive mechanism and the 3rd drive mechanism, wherein：
Workbench 1 is provided with linearly extended line style guide rail 8, and one end of line style guide rail 8 is provided with the first limited post, and its is another
End is provided with the second limited post.
First staking punch 2, the second staking punch 3 are respectively positioned on the top of workbench 1 and in the top of workbench 1 along line style guide rail
8 bearing of trend spacing arrangement, the first staking punch 2 is connected by the first installing plate with the first drive mechanism and by the first driving machine
Structure driving is moved up and down, and the second staking punch 3 is connected with the second drive mechanism by the second installing plate and driven by the second drive mechanism
It is dynamic to move up and down.
First die body 4 has material-dropping hole 401, and the lower surface of the first die body 4 is provided with the first installation portion, the second installation portion；The
One die body 4 is located at the lower section of the first staking punch 2, and the material-dropping hole 401 is located along the same line with the first staking punch 2, and first
Installation portion, the second installation portion both sides of line style guide rail 8 positioned opposite are simultaneously fixed with workbench 1.Second die body 5 has die cavity 501, the
The upper surface of two die body 5 and positioned at die cavity 501 outside be provided with the first guide groove 502, the second guide groove 503, it is described first be oriented to
Groove 502, the second guide groove 503 arrange that the first guide groove 502, the second guide groove 503 are close to type along the direction spacing of line style guide rail 8
The side side wall of chamber 501 is inclined-plane, and the spacing between the inclined-plane and the axial line of die cavity 501 is incremented by successively；Second module position
Between the first installation portion and the second installation portion and on line style guide rail 8, the second die body 5 is connected simultaneously with the 3rd drive mechanism
Moved back and forth by the 3rd drive mechanism on line style guide rail 8, and in motion process, when the second die body 5 and the first limited post are supported
By when, the die cavity 501 is located along the same line with material-dropping hole 401, when the second die body 5 and the second limited post against when, it is described
Die cavity 501 is located along the same line with the second staking punch 3.
First skewback 6 is located at the second staking punch 3 close to the side of the first staking punch 2, and the second skewback 7 is located at the second staking punch
3 sides away from the first staking punch 2, the first skewback 6, the second skewback 7 are fixedly connected with the second installing plate respectively so that the two with
Second staking punch 3 is synchronized with the movement；First skewback 6, the second skewback 7 are inclined-plane close to the side of the side of the second staking punch 3,
And the spacing between the inclined-plane and the axial line of the second staking punch 3 is incremented by successively from top to bottom.
The present invention so works, and when die cavity 501 is located along the same line with material-dropping hole 401, utilizes the first driving
Mechanism drives the first staking punch 2 to move downward, and the first staking punch 2 is coordinated with the first die body 4 and material pieces are punched so that
Blank is automatically fallen into die cavity 501 along material-dropping hole 401, when the staking punch 3 of die cavity 501 and second is located along the same line,
The first skewback 6, the second skewback 7 and the second staking punch 3 is driven synchronously to move down using the second drive mechanism, in folding process, profit
Coordinated with the first skewback 6, the second skewback 7 and the first guide groove 502, the second guide groove 503 to the centering of die cavity 501 and fixation, profit
Coordinated with the second staking punch 3 and the second die body 5 and the blanking in die cavity 501 is entered compressing.
In the present embodiment, it is online that width of first guide groove 502 on the bearing of trend of line style guide rail 8 is more than the first skewback 6
Width on the bearing of trend of type guide rail 8, and when the second staking punch 3 and the second 5 matched moulds of die body, the inclined-plane of first skewback 6
Inclined-plane with the first guide groove 502 between the lower surface of the lower surface of the first skewback 6 and the first guide groove 502 against between having
Away from.Width of second guide groove 503 on the bearing of trend of line style guide rail 8 is more than the second skewback 7 on the bearing of trend of line style guide rail 8
Width, and when the second staking punch 3 and the second 5 matched moulds of die body, the inclined-plane of second skewback 7 and the second guide groove 503
Inclined-plane is against with spacing between the lower surface of the lower surface of the second skewback 7 and the second guide groove 503.Further to improve the
The centering effect of one skewback 6,7 pair of second die body 5 of the second skewback.
In the present embodiment, the both sides of the first staking punch 2 are provided with the first pre- compression leg 9, the second pre- compression leg 10, institute arranged vertically
The first pre- compression leg 9 is stated positioned at side of first staking punch 2 away from the second staking punch 3, the second pre- compression leg 10 is located at the first staking punch 2
Close to the side of the second staking punch 3, the first pre- compression leg 9, the second pre- compression leg 10 are fixedly connected with the first installing plate respectively, so that two
Person and the synchronization action of the first staking punch 2, the first pre- compression leg 9, the lower surface of the second pre- compression leg 10 are mounted on compression spring 11.Work
In work, when the first staking punch 2 is moved down, pre-pressing is carried out to material pieces using the first pre- compression leg 9, the second pre- compression leg 10.And be
Improve and compress effect, and avoid causing material surface damage, the present embodiment be provided with the lower surface of compression spring 11 with
Its block rubber fixed.
In addition, in the present embodiment, the second die body 4 is slidably connected with the first die body 5, specific connected mode is：First die body 4
Lower surface be provided with the slideway that is extended in the same direction with line style guide rail 8, the slideway is located at the side of material-dropping hole 401；Second die body 5
Upper surface is provided with limited block, and the limited block is located at the side of die cavity 501, and limited block is located in slideway and slided with slideway and matched somebody with somebody
Close.Set by said structure, so that having between the second die body 5 and the first die body 4 while good steadiness makes second
The die body 4 of die body 5 and first one entirety of formation, with convenient for assembly.
From the foregoing, it will be observed that a kind of high-precision metal plate part one-shot forming apparatus proposed by the present invention realizes sheet metal component and expected by down
The automated production of shaping, substantially increases the production efficiency of sheet metal component, and the stability of structure is good, accurate positioning, assembling side
Just.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its
Inventive concept is subject to equivalent substitution or change, should all be included within the scope of the present invention.
Claims (8)
1. a kind of high-precision metal plate part one-shot forming apparatus, it is characterised in that including：Workbench (1), the first staking punch (2),
Two staking punch (3), the first die body (4), the second die body (5), the first skewback (6), the second skewback (7), the first drive mechanism, second
Drive mechanism and the 3rd drive mechanism, wherein：
Workbench (1) is provided with linearly extended line style guide rail (8), and one end of line style guide rail (8) is provided with the first limited post, and its is another
One end is provided with the second limited post；
First staking punch (2), the second staking punch (3) are respectively positioned on the top of workbench (1) and in the top of workbench (1) along line style
The bearing of trend spacing arrangement of guide rail (8), the first staking punch (2) is connected with the first drive mechanism and driven by the first drive mechanism
Move up and down, the second staking punch (3) is connected with the second drive mechanism and driven by the second drive mechanism and moved up and down；
First die body (4) has material-dropping hole (401), and the lower surface of the first die body (4) is provided with the first installation portion, the second installation portion；
First die body (4) is located at the lower section of the first staking punch (2), and the material-dropping hole (401) is located at always with the first staking punch (2)
On line, the first installation portion, the second installation portion line style guide rail (8) both sides positioned opposite are simultaneously fixed with workbench (1)；
Second die body (5) provided with first is led with die cavity (501), the second die body (5) upper surface and positioned at the outside of die cavity (501)
To groove (502), the second guide groove (503), first guide groove (502), the second guide groove (503) are square along line style guide rail (8)
Arranged to spacing, the first guide groove (502), the second guide groove (503) they are inclined-plane close to the side side wall of die cavity (501), and
Spacing between the inclined-plane and die cavity (501) axial line is incremented by successively；Second module is located at the first installation portion and the second installation portion
Between and on the line style guide rail (8), the second die body (5) is connected with the 3rd drive mechanism and by the 3rd drive mechanism in line style
Guide rail is moved back and forth on (8), and in motion process, when the second die body (5) and the first limited post against when, the die cavity
(501) be located along the same line with material-dropping hole (401), when the second die body (5) and the second limited post against when, the die cavity
(501) it is located along the same line with the second staking punch (3)；
First skewback (6) is located at the second staking punch (3) close to the side of the first staking punch (2), and the second skewback (7) is located at the second punching
Side of the pressure head (3) away from the first staking punch (2), the first skewback (6), the second skewback (7) are connected with the second drive mechanism respectively
And be synchronized with the movement by the driving of the second drive mechanism with the second staking punch (3), the first skewback (6), the second skewback (7) are close to the second punching
The side of pressure head (3) side is inclined-plane, and the spacing between the inclined-plane and the second staking punch (3) axial line is from top to bottom successively
It is incremented by.
2. high-precision metal plate part one-shot forming apparatus according to claim 1, it is characterised in that the first guide groove (502)
Width on line style guide rail (8) bearing of trend is more than width of the first skewback (6) on line style guide rail (8) bearing of trend, and
When the second staking punch (3) and during the second die body (5) matched moulds, the inclined-plane of first skewback (6) is oblique with the first guide groove (502)
Face is against with spacing between the lower surface of the first skewback (6) and the lower surface of the first guide groove (502).
3. high-precision metal plate part one-shot forming apparatus according to claim 1, it is characterised in that the second guide groove (503)
Width on line style guide rail (8) bearing of trend is more than width of the second skewback (7) on line style guide rail (8) bearing of trend, and
When the second staking punch (3) and during the second die body (5) matched moulds, the inclined-plane of second skewback (7) is oblique with the second guide groove (503)
Face is against with spacing between the lower surface of the second skewback (7) and the lower surface of the second guide groove (503).
4. high-precision metal plate part one-shot forming apparatus according to claim 1, it is characterised in that the first staking punch (2)
Both sides are provided with the first pre- compression leg (9), the second pre- compression leg (10) arranged vertically, and the first pre- compression leg (9) is located at the first punching press
Side of the head (2) away from the second staking punch (3), the second pre- compression leg (10) is located at the first staking punch (2) close to the second staking punch (3)
Side, the first pre- compression leg (9), the second pre- compression leg (10) be connected respectively with the first drive mechanism and by the first drive mechanism drive
With the first staking punch (2) synchronization action, the first pre- compression leg (9), the lower surface of the second pre- compression leg (10) are mounted on compression spring
(11)。
5. high-precision metal plate part one-shot forming apparatus according to claim 4, it is characterised in that under compression spring (11)
End face is provided with the block rubber being secured to.
6. high-precision metal plate part one-shot forming apparatus according to claim 4, it is characterised in that the first staking punch (2) leads to
The first installing plate is crossed to be connected with the first drive mechanism；The first pre- compression leg (9), the second pre- compression leg (10) with the first installing plate
It is fixedly connected.
7. high-precision metal plate part one-shot forming apparatus according to claim 1, it is characterised in that the second staking punch (3) leads to
The second installing plate is crossed to be connected with the second drive mechanism；First skewback (6), the second skewback (7) are fixed with the second installing plate
Connection.
8. the high-precision metal plate part one-shot forming apparatus according to any one of claim 1-7, it is characterised in that the second mould
Body (4) is slidably connected with the first die body (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710532527.2A CN107127249A (en) | 2017-07-03 | 2017-07-03 | A kind of high-precision metal plate part one-shot forming apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710532527.2A CN107127249A (en) | 2017-07-03 | 2017-07-03 | A kind of high-precision metal plate part one-shot forming apparatus |
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| Publication Number | Publication Date |
|---|---|
| CN107127249A true CN107127249A (en) | 2017-09-05 |
Family
ID=59736602
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710532527.2A Pending CN107127249A (en) | 2017-07-03 | 2017-07-03 | A kind of high-precision metal plate part one-shot forming apparatus |
Country Status (1)
| Country | Link |
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| CN (1) | CN107127249A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107745027A (en) * | 2017-11-03 | 2018-03-02 | 盐城工学院 | Automatic pressing forming machine |
| CN108889839A (en) * | 2018-07-17 | 2018-11-27 | 上海徕木电子股份有限公司 | A kind of device for commutator segment processing |
| CN110052522A (en) * | 2019-04-25 | 2019-07-26 | 安徽江淮福臻车体装备有限公司 | A kind of precompressed mechanism metal plate anti-corrugation pressing process and its used |
| CN111558650A (en) * | 2020-05-07 | 2020-08-21 | 深圳市金力丰五金制造有限公司 | Section finish-cutting machining device and process |
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| CN104096744A (en) * | 2014-07-23 | 2014-10-15 | 成都市龙泉驿区齐盛机械厂 | Low-noise punching die |
| CN204470418U (en) * | 2015-02-12 | 2015-07-15 | 武汉先锋模具冲压有限公司 | A kind of diel |
| CN106513514A (en) * | 2016-12-20 | 2017-03-22 | 广东合和建筑五金制品有限公司 | Automatic stamping die of inner wheel carrier |
| CN106734469A (en) * | 2017-01-05 | 2017-05-31 | 滁州美业机械制造有限公司 | A kind of multistation of freezer compressor stamping parts picks tooth fine blanking die |
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| US5241740A (en) * | 1992-08-24 | 1993-09-07 | Kettler John H | Automated excise-form and shuttle system and apparatus |
| CN104096744A (en) * | 2014-07-23 | 2014-10-15 | 成都市龙泉驿区齐盛机械厂 | Low-noise punching die |
| CN204470418U (en) * | 2015-02-12 | 2015-07-15 | 武汉先锋模具冲压有限公司 | A kind of diel |
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| CN106734469A (en) * | 2017-01-05 | 2017-05-31 | 滁州美业机械制造有限公司 | A kind of multistation of freezer compressor stamping parts picks tooth fine blanking die |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107745027A (en) * | 2017-11-03 | 2018-03-02 | 盐城工学院 | Automatic pressing forming machine |
| CN108889839A (en) * | 2018-07-17 | 2018-11-27 | 上海徕木电子股份有限公司 | A kind of device for commutator segment processing |
| CN110052522A (en) * | 2019-04-25 | 2019-07-26 | 安徽江淮福臻车体装备有限公司 | A kind of precompressed mechanism metal plate anti-corrugation pressing process and its used |
| CN111558650A (en) * | 2020-05-07 | 2020-08-21 | 深圳市金力丰五金制造有限公司 | Section finish-cutting machining device and process |
| CN111558650B (en) * | 2020-05-07 | 2022-03-15 | 深圳市金力丰五金制造有限公司 | Section finish-cutting machining device and process |
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Application publication date: 20170905 |
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| RJ01 | Rejection of invention patent application after publication |