CN108465728A - A kind of high damping copper alloy material equipment - Google Patents
A kind of high damping copper alloy material equipment Download PDFInfo
- Publication number
- CN108465728A CN108465728A CN201810189043.7A CN201810189043A CN108465728A CN 108465728 A CN108465728 A CN 108465728A CN 201810189043 A CN201810189043 A CN 201810189043A CN 108465728 A CN108465728 A CN 108465728A
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- CN
- China
- Prior art keywords
- stud
- slot
- chamber
- frame body
- alloy material
- 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
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
- B21D28/06—Making more than one part out of the same blank; Scrapless working
-
- 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
- B21D28/002—Drive of the tools
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Presses And Accessory Devices Thereof (AREA)
Abstract
The invention discloses a kind of high damping copper alloy material equipment,Including frame body,The frame body rear wall is provided with height regulation stud up and down,The frame body and the height regulation stud whorl are connected,Height regulation stud bottom is connected with motor power is adjusted,The adjusting motor is embedded in the base,End surface symmetric is provided with support column at left and right sides of the pedestal,The support column medial surface offers guide groove,At left and right sides of the frame body guide pad is fixedly installed on wall,The guide pad and guide groove sliding connection,Top is fixedly installed top plate between two support columns in left and right,It can turn mating connection with the top plate at the top of the height regulation stud,The configuration of the present invention is simple,Manufacturing cost is cheap,The punching operation of alloy material is simple and fast,Considerably increase the working efficiency of alloy material punching press,Improve the production efficiency of high damping copper alloy material,Reduce production cost.
Description
Technical field
The present invention relates to field of new materials, more particularly to a kind of high damping copper alloy material equipment.
Background technology
Copper alloy is the alloy based on copper, they can be reasonably resistant to corrode, and high damping copper alloy material refers to having
There is the copper alloy of higher vibration and noise reducing function, high damping copper alloy is widely used, in the process of high damping copper alloy material,
It usually needs to carry out cutting to high damping copper alloy material, traditional manual mode of operation is time-consuming and laborious, inefficiency, and is easy
Generate larger deviation.
Invention content
The technical problem to be solved in the present invention is to provide a kind of high damping copper alloy material equipment, can solve above-mentioned present
The problems in technology.
To solve the above problems, the present invention adopts the following technical scheme that：A kind of high damping copper alloy material equipment of the present invention,
Including frame body, the frame body rear wall is provided with height regulation stud, the frame body and the height regulation stud up and down
Whorl is connected, and height regulation stud bottom is connected with motor power is adjusted, and the adjusting motor is embedded
In pedestal, end surface symmetric is provided with support column at left and right sides of the pedestal, and the support column medial surface offers guide groove, described
Guide pad, the guide pad and guide groove sliding connection, left and right two are fixedly installed at left and right sides of frame body on wall
Top is fixedly installed top plate between the support column, can turn cooperation company with the top plate at the top of the height regulation stud
It connects, left and right, which stretches, in the frame body is provided with operation chamber, and the throwing communicated with the operation chamber is provided on the frame body top end face
Go out slot, on the frame body top end face it is described launch be provided on the right side of slot operation chamber described in downward break-through and with the operation chamber phase
Logical input slot, end wall left side in the operation bottom of chamber, which is provided with, sinks to slot, is provided on the operation chamber left end wall and stretches downwards
And sink to the low water that rises that slot communicates with described, be relatively set in the upper and lower ends wall on the right side of the operation chamber slide slot and under
Slide slot is located at the transmission chamber for being provided with the setting that stretches up and down on the right side of the operation chamber in the frame body, is located in the frame body
Second chamber is provided on the left of the lower slide slot, be located in the frame body it is described rise be provided with below low water stretch to the right and with
The first chamber that the second chamber communicates is provided with the drive row slot that left and right stretches, the work in the first chamber base end wall
The pushing block that can be controlled and slide is provided in industry chamber, be relatively set in the pushing block upper and lower ends face with the upper slide slot and under
Slide slot slides the upper fixture block of mating connection and lower fixture block, and left and right is provided in the upper slide slot and lower slide slot and stretches and divides
The first stud and the second stud not being connected with the upper fixture block and lower fixture block whorl, first stud and the second spiral shell
Column right end stretches to the right into the transmission chamber and has been respectively fixedly connected with upper transfer wheel and lower transfer wheel, the upper transfer wheel
Transfer tape is connected between lower transfer wheel, the second stud left end stretches to the left into the second chamber and is fixedly connected
Have the first taper cone pulley, it is described to sink in slot the plate that rises and falls for being provided with and being stretched to the left in described low water, in described low water on
Under stretch be provided with it is described rise and fall plate whorl mating connection the 4th stud, the 4th stud bottom end stretches downwards to institute
The second taper cone pulley is stated in first chamber and be fixedly connected with, the skid that can be controlled and slide is provided in the drive row slot, it is described
Left and right in row slot is driven to stretch the third stud for being provided with and being connected with the skid whorl, the third stud right end and
First motor power connects, and the second motor is provided on the skid top end face, is fixed on the output shaft of second motor
It is connected with the transmission taper cone pulley to the transmission that coincide with first taper cone pulley or second taper cone pulley.
The input groove top portion is provided with the first guide sliding part as a preferred technical solution, described to launch slot and the work
The junction of industry chamber is provided with the second guide sliding part.
The first stud left end can turn cooperation company with the upper slide slot left end wall as a preferred technical solution,
Connect, upper slide slot right end wall described in the first stud break-through and with the upper slide slot right end wall can turn be connected, institute
Stating the first stud right end can turn mating connection with the transmission chamber right end wall；Lower slide slot described in the second stud break-through is left
Right end walls and with the lower slide slot left and right ends wall can turn be connected, the second stud right end and the transmission chamber
Right end wall can turn mating connection.
As a preferred technical solution, the 4th stud top with it is described rise and fall groove top end wall can turn be connected,
Rise and fall described in the 4th stud break-through slot bottom end wall and with it is described rise and fall slot bottom end wall can turn be connected, the plate that rises and falls
Mating connection is slided with described low water；The third stud left end and the drives row slot left end wall can turn mating connection, institute
The first motor is stated to be fixed in the drive row slot right end wall.
The beneficial effects of the invention are as follows：
1. driving row by the second motor operations transmits taper cone pulley turn, transmits taper cone pulley turn and drive row the first taper cone pulley turn, from
And make the second stud turn, under the transmission effect of transfer tape, the first stud is with the second stud together turn, to drive row
Pushing block slides to the left, and pushing block slides the big alloy material of punching press to the left, identical with pushing block left side to stamp out cross-sectional area
Small alloy material, pushing block slide that the small alloy material stamped out is pushed to operation chamber left end to the left and is located to the left
It falls above plate, then controls the reversion of the second motor operations so that pushing block slides into the right initial position, in order to next time
The press work of alloy material meets the use demand of alloy material so that stamping out small alloy material accuracy height.
2. by controlling the first motor operations, the first motor operations drive row skid and slide into the left end for driving row slot to the left,
So that transmission taper cone pulley and the second taper cone pulley coincide, then controls the second motor operations and drive row transmission taper cone pulley turn, biography
It passs taper cone pulley turn and drives row the second taper cone pulley turn, the second taper cone pulley turn is driven the capable plate that rises and falls and slided upwards, and the plate that rises and falls slides up
Row is to push up the small alloy material stamped out, so that small alloy material upper section exposing is launched outside slot, to
Small alloy material is facilitated to take, in order to increase the working efficiency of alloy material punching press.
3. the configuration of the present invention is simple, manufacturing cost is cheap, and the punching operation of alloy material is simple and fast, considerably increases
The working efficiency of alloy material punching press improves the production efficiency of high damping copper alloy material, reduces production cost, reduces simultaneously
The waste of manpower and materials, the small alloy material precision stamped out is high, effectively meets the existing use demand for alloy material, and
Batches of processing operation can be carried out to small alloy material.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
Obtain other attached drawings according to these attached drawings.
Fig. 1 is the overall structure diagram of the high damping copper alloy material equipment of the present invention, wherein pushing block is located at initial position
State, skid, which is located at, drives row slot right end；
Fig. 2 is structural schematic diagram when alloy material is put into input slot in Fig. 1；
Structural schematic diagram when Fig. 3 is pushing block completion punching press state in the present invention；
Fig. 4 is that the structural schematic diagram after the small alloy material come is pushed upwardly is stamped out in the present invention；
Fig. 5 is the front view of the high damping copper alloy material equipment of the present invention.
Specific implementation mode
The preferred embodiment of the present invention is described in detail below in conjunction with the accompanying drawings, so that advantages and features of the invention energy
It is easier to be readily appreciated by one skilled in the art, so as to make a clearer definition of the protection scope of the present invention.
A kind of high damping copper alloy material equipment shown in -5 refering to fig. 1, including frame body 1,1 rear wall of the frame body pass through up and down
Logical to be provided with height regulation stud 65, the frame body 1 and 65 whorl of height regulation stud are connected, the height tune
It saves 65 bottom of stud and is connected with 66 power of motor is adjusted, the adjusting motor 66 is embedded in pedestal 60, the pedestal 60
Left and right sides end surface symmetric is provided with support column 61, and 61 medial surface of the support column offers guide groove 62, the frame body 1 or so
Guide pad 63 is fixedly installed on two side, the guide pad 63 and the guide groove 62 are slidably connected, two institutes in left and right
State top between support column 61 and be fixedly installed top plate 64,65 top of the height regulation stud and the top plate 64 can turn match
Connection is closed, stretches in the frame body 1 or so and is provided with operation chamber 2, be provided on 1 top end face of the frame body and the operation chamber 2
What is communicated launches slot 101, and 101 right side of slot of launching is provided with operation chamber 2 described in downward break-through on 1 top end face of the frame body
And the input slot 102 communicated with the operation chamber 2,2 base end wall of the operation chamber left side, which is provided with, sinks to slot 43, the operation chamber
Be provided on 2 left end walls stretch downwards and with it is described sink to that slot 43 communicates play low water 4, up and down the two of 2 right side of the operation chamber
It is relatively set with slide slot 21 and lower slide slot 31 in end wall, 2 right side of the operation chamber is located in the frame body 1 and is provided with
Under stretch the transmission chamber 26 of setting, 31 left side of the lower slide slot is located in the frame body 1 and is provided with second chamber 36, the frame
It is located at 4 lower section of low water of rising in body 1 and is provided with the first chamber 5 for stretching to the right and being communicated with the second chamber 36, it is described
It is provided with the drive row slot 50 that left and right stretches in 5 base end wall of first chamber, the pushing block that can be controlled and slide is provided in the operation chamber 2
20, it is relatively set in 20 upper and lower ends face of the pushing block and slides mating connection with the upper slide slot 21 and lower slide slot 31
Be provided in upper fixture block 22 and lower fixture block 32, the upper slide slot 21 and lower slide slot 31 left and right stretch and respectively with the upper card
The first stud 23 and the second stud 33 that block 22 and lower 32 whorl of fixture block are connected, first stud, 23 and second stud
33 right ends stretch to the right into the transmission chamber 26 and have been respectively fixedly connected with upper transfer wheel 24 and lower transfer wheel 34, it is described on
Transfer tape 25 is connected between transfer wheel 24 and lower transfer wheel 34,33 left end of the second stud is stretched to the left to second chamber
In room 36 and be fixedly connected with the first taper cone pulley 35, it is described sink in slot 43 to be provided with stretched to the left into described low water 4
Rise and fall plate 42, and stretch the 4th stud 41 being provided with 42 whorl of the plate mating connection of rising and falling up and down in described low water 4,
4th stud, 41 bottom end stretches downwards into the first chamber 5 and is fixedly connected with the second taper cone pulley 44, the drive row
It is provided with the skid 53 that can be controlled and slide in slot 50, stretches and is provided with and 53 spiral shell of the skid in the drive row slot 50 or so
The third stud 51 that shape line is connected, 51 right end of third stud and 52 be connected by power of the first motor, the skid 53
The second motor 54 is provided on top end face, be fixedly connected on the output shaft of second motor 54 to first taper
Wheel 35 or the identical transmission taper cone pulley 55 transmitted of second taper cone pulley 44.
Wherein, 102 top of the input slot is provided with the first guide sliding part 103, described to launch slot 101 and the operation chamber 2
Junction be provided with the second guide sliding part.
Wherein, 23 left end of the first stud and 21 left end wall of the upper slide slot can turn be connected, described first
Upper 21 right end wall of slide slot described in 23 break-through of stud and with 21 right end wall of the upper slide slot can turn be connected, described first
23 right end of stud can turn mating connection with the 26 right end wall of transmission chamber；Lower slide slot 31 described in second stud, 33 break-through
Left and right ends wall and with 31 left and right ends wall of the lower slide slot can turn be connected, 33 right end of the second stud with it is described
Transmitting 26 right end wall of chamber can turn mating connection.
Wherein, 41 top of the 4th stud and described 4 top end wall of low water can turn be connected, the 4th stud
Risen described in 41 break-through 4 base end wall of low water and with described 4 base end wall of low water can turn be connected, it is described rise and fall plate 42 with it is described
It plays low water 4 and slides mating connection；51 left end of third stud and the 50 left end wall of drives row slot can turn mating connection, it is described
First motor 52 is fixed in the 50 right end wall of drive row slot.
Big alloy material 100 when in use, is first put into from the input slot 102, then passes through the second motor by the present apparatus
Row 55 turn of transmission taper cone pulley is driven in 54 work, and row 35 turn of the first taper cone pulley is driven in 55 turn of transmission taper cone pulley,
So that 33 turn of the second stud, under the transmission effect of the transfer tape 25, first stud 23 is with described
Second turn together of stud 33 is slided to the left to drive the capable pushing block 20, and the pushing block 20 slides the big alloy of punching press to the left
Material 100, to stamp out cross-sectional area small alloy material identical with 20 left side of the pushing block, the pushing block 20 slides to the left
So that the small alloy material stamped out is pushed to 2 left end of operation chamber to the left and 42 top of plate of rising and falling described in, and
After control second motor 54 work reversion so that the pushing block 20 slides into the right initial position, then controls institute
State the work of the first motor 52, the left side that the row skid 53 slides into the drive row slot 50 to the left is driven in first motor 52 work
End then controls second motor 54 and works so that the transmission taper cone pulley 55 coincide with second taper cone pulley 44
Drive row 55 turn of transmissions taper cone pulley, capable second taper cone pulley, 44 turn of 55 turn of transmissions taper cone pulley drive, described the
Two taper cone pulleies, 44 turn is driven the plate 42 that rises and falls described in row and is slided upwards, and the plate 42 that rises and falls slides the small conjunction will stamp out upwards
Golden material pushes up, so that small alloy material upper section exposing is launched outside slot 101, to facilitate small alloy material to take
It takes, second motor 54 work reversion is controlled after the completion of taking so that 42 glide downwards of plate that rise and fall are to initial position shape
State；
The beneficial effects of the invention are as follows：
1. driving row by the second motor operations transmits taper cone pulley turn, transmits taper cone pulley turn and drive row the first taper cone pulley turn, from
And make the second stud turn, under the transmission effect of transfer tape, the first stud is with the second stud together turn, to drive row
Pushing block slides to the left, and pushing block slides the big alloy material of punching press to the left, identical with pushing block left side to stamp out cross-sectional area
Small alloy material, pushing block slide that the small alloy material stamped out is pushed to operation chamber left end to the left and is located to the left
It falls above plate, then controls the reversion of the second motor operations so that pushing block slides into the right initial position, in order to next time
The press work of alloy material meets the use demand of alloy material so that stamping out small alloy material accuracy height.
2. by controlling the first motor operations, the first motor operations drive row skid and slide into the left end for driving row slot to the left,
So that transmission taper cone pulley and the second taper cone pulley coincide, then controls the second motor operations and drive row transmission taper cone pulley turn, biography
It passs taper cone pulley turn and drives row the second taper cone pulley turn, the second taper cone pulley turn is driven the capable plate that rises and falls and slided upwards, and the plate that rises and falls slides up
Row is to push up the small alloy material stamped out, so that small alloy material upper section exposing is launched outside slot, to
Small alloy material is facilitated to take, in order to increase the working efficiency of alloy material punching press.
3. the configuration of the present invention is simple, manufacturing cost is cheap, and the punching operation of alloy material is simple and fast, considerably increases
The working efficiency of alloy material punching press improves the production efficiency of high damping copper alloy material, reduces production cost, reduces simultaneously
The waste of manpower and materials, the small alloy material precision stamped out is high, effectively meets the existing use demand for alloy material, and
Batches of processing operation can be carried out to small alloy material.
The basic principles, main features and advantages of the present invention have been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, various changes and improvements may be made to the invention without departing from the spirit and scope of the present invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent defines.
Claims (4)
1. a kind of high damping copper alloy material equipment, including frame body, it is characterised in that：Left and right, which stretches, in the frame body is provided with operation
Chamber, the frame body rear wall are provided with height regulation stud, the frame body and the height regulation stud whorl up and down
It being connected, height regulation stud bottom is connected with motor power is adjusted, and the adjusting motor is embedded in the base,
End surface symmetric is provided with support column at left and right sides of the pedestal, and the support column medial surface offers guide groove, and the frame body is left
Guide pad, the guide pad and guide groove sliding connection, two branch in left and right are fixedly installed on right two side
Top is fixedly installed top plate between dagger, at the top of the height regulation stud with the top plate can turn be connected, it is described
It is provided with the slot of launching communicated with the operation chamber on frame body top end face, is set on the right side of slot in described launch on the frame body top end face
The input slot for being equipped with operation chamber described in downward break-through and being communicated with the operation chamber, it is heavy that end wall left side in the operation bottom of chamber is provided with
Enter slot, is provided on the operation chamber left end wall and stretches downwards and sink to the low water that rises that slot communicates with described, the operation chamber is right
It is relatively set with slide slot and lower slide slot in the upper and lower ends wall of side, setting on the right side of the operation chamber is located in the frame body
There is the transmission chamber for the setting that stretches up and down, is located in the frame body on the left of the lower slide slot and is provided with second chamber, the frame body
In be located at described rise and be provided with the first chamber for stretching to the right and being communicated with the second chamber, the first chamber below low water
It is provided with the drive row slot that stretches of left and right in base end wall, is provided with the pushing block that can be controlled and slide in the operation chamber, on the pushing block
It is relatively set in lower both ends of the surface and slides the upper fixture block of mating connection and lower fixture block with the upper slide slot and lower slide slot, it is described
Left and right is provided in upper slide slot and lower slide slot to stretch and be respectively connected with the upper fixture block and lower fixture block whorl
First stud and the second stud, first stud and the second stud right end stretch to the right into the transmission chamber and consolidate respectively
Surely it is connected with transfer wheel and lower transfer wheel, transfer tape, second spiral shell are connected between the upper transfer wheel and lower transfer wheel
Column left end stretches to the left into the second chamber and is fixedly connected with the first taper cone pulley, it is described sink to be provided in slot stretch to the left
Prolong to the plate that rises and falls in described low water, stretching up and down in described low water is provided with and the plate whorl mating connection of rising and falling
The 4th stud, the 4th stud bottom end stretches downwards into the first chamber and is fixedly connected with the second taper cone pulley, institute
It states to drive and is provided with the skid that can be controlled and slide in row slot, left and right, which stretches, in the drive row slot is provided with and the skid spiral shell shape
The third stud that line is connected, the third stud right end connect with the first motor power, are set on the skid top end face
Be equipped with the second motor, be fixedly connected on the output shaft of second motor to first taper cone pulley or described second
The identical transmission taper cone pulley transmitted of taper cone pulley.
2. high damping copper alloy material equipment according to claim 1, it is characterised in that：The input groove top portion is provided with
One guide sliding part, the junction for launching slot and the operation chamber are provided with the second guide sliding part.
3. high damping copper alloy material equipment according to claim 1, it is characterised in that：The first stud left end with it is described
Upper slide slot left end wall can turn be connected, upper slide slot right end wall described in the first stud break-through and with it is described on slide
Slot right end wall can turn be connected, the first stud right end and the transmissions chamber right end wall can turn mating connections；It is described
Lower slide slot left and right ends wall described in second stud break-through and with the lower slide slot left and right ends wall can turn be connected, institute
Stating the second stud right end can turn mating connection with the transmission chamber right end wall.
4. high damping copper alloy material equipment according to claim 1, it is characterised in that：The 4th stud top with it is described
Groove top of rising and falling end wall can turn be connected, rise and fall described in the 4th stud break-through slot bottom end wall and with the slot bottom end of rising and falling
Wall can turn be connected, plate and the described low water of rising and falling slides mating connection；The third stud left end and the drive
Row slot left end wall can turn be connected, first motor is fixed in the drive row slot right end wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810189043.7A CN108465728A (en) | 2018-03-08 | 2018-03-08 | A kind of high damping copper alloy material equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810189043.7A CN108465728A (en) | 2018-03-08 | 2018-03-08 | A kind of high damping copper alloy material equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108465728A true CN108465728A (en) | 2018-08-31 |
Family
ID=63264287
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810189043.7A Withdrawn CN108465728A (en) | 2018-03-08 | 2018-03-08 | A kind of high damping copper alloy material equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108465728A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20090113972A (en) * | 2007-03-12 | 2009-11-03 | 현대자동차주식회사 | Linear piercing press |
| CN203804021U (en) * | 2014-04-08 | 2014-09-03 | 天津世亚模具有限公司 | Guiding and limiting structure for side piercing punch of cold-punching die |
| CN204735591U (en) * | 2015-04-29 | 2015-11-04 | 青岛吉泰汽车模具有限公司 | Manual punching device of baffle backing plate |
| CN105013938A (en) * | 2015-07-23 | 2015-11-04 | 广西柳拖车辆有限公司 | Punching die for lower connecting plate of cross beam of electric automobile |
| CN106475459A (en) * | 2016-12-08 | 2017-03-08 | 新昌县优优机械有限公司 | A kind of new pipeline processing mode |
-
2018
- 2018-03-08 CN CN201810189043.7A patent/CN108465728A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20090113972A (en) * | 2007-03-12 | 2009-11-03 | 현대자동차주식회사 | Linear piercing press |
| CN203804021U (en) * | 2014-04-08 | 2014-09-03 | 天津世亚模具有限公司 | Guiding and limiting structure for side piercing punch of cold-punching die |
| CN204735591U (en) * | 2015-04-29 | 2015-11-04 | 青岛吉泰汽车模具有限公司 | Manual punching device of baffle backing plate |
| CN105013938A (en) * | 2015-07-23 | 2015-11-04 | 广西柳拖车辆有限公司 | Punching die for lower connecting plate of cross beam of electric automobile |
| CN106475459A (en) * | 2016-12-08 | 2017-03-08 | 新昌县优优机械有限公司 | A kind of new pipeline processing mode |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180831 |
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| WW01 | Invention patent application withdrawn after publication |