CN108481435A - A kind of precision form manufacturing device - Google Patents

A kind of precision form manufacturing device Download PDF

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Publication number
CN108481435A
CN108481435A CN201810189062.XA CN201810189062A CN108481435A CN 108481435 A CN108481435 A CN 108481435A CN 201810189062 A CN201810189062 A CN 201810189062A CN 108481435 A CN108481435 A CN 108481435A
Authority
CN
China
Prior art keywords
threaded rod
punching press
bevel gear
slot
frame
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.)
Withdrawn
Application number
CN201810189062.XA
Other languages
Chinese (zh)
Inventor
施洲
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangzhou Top Security Technology Co Ltd
Original Assignee
Guangzhou Top Security Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Guangzhou Top Security Technology Co Ltd filed Critical Guangzhou Top Security Technology Co Ltd
Priority to CN201810189062.XA priority Critical patent/CN108481435A/en
Publication of CN108481435A publication Critical patent/CN108481435A/en
Withdrawn legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B26HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26DCUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D5/00Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D5/08Means for actuating the cutting member to effect the cut
    • B26D5/083Rack-and-pinion means
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B26HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26DCUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D5/00Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D5/08Means for actuating the cutting member to effect the cut
    • B26D5/086Electric, magnetic, piezo-electric, electro-magnetic means
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B26HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26FPERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F1/00Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
    • B26F1/38Cutting-out; Stamping-out
    • B26F1/40Cutting-out; Stamping-out using a press, e.g. of the ram type

Abstract

The invention discloses a kind of precision form manufacturing devices, including body frame, left and right, which is extended, in the body frame punching press chamber, the blow tank communicated with the punching press chamber is provided on the body frame top end face, it is provided on the right side of the blow tank on the body frame top end face downward through the punching press chamber and the trough that is communicated with the punching press chamber, it is provided with deep gouge on the left of the end wall of the punching press bottom of chamber, the configuration of the present invention is simple, manufacturing cost is cheap, the punching operation of composite plate is simple and fast, considerably increase the working efficiency of composite plate punching press, reduce the waste of manpower and materials simultaneously, the small composite plate precision stamped out is high, effectively meet the existing use demand for composite plate, and batches of processing operation can be carried out to small composite plate.

Description

A kind of precision form manufacturing device
Technical field
The present invention relates to manufacturing field, more particularly to a kind of precision form manufacturing device.
Background technology
Currently, composite plate in construction and decoration industry using extensive, due to the use of position difference used in composite plate Size is also different, and the existing adjustment for composite plate size is main or by cutting processing, to obtain of different sizes answer Plywood is mainly still cut by manual operation if cutting, and not only working efficiency is low in this way, but also for the cutting of composite plate Precision has deviation, cannot be satisfied the existing size used for composite plate, and wasting manpower and material resources greatly reduce composite plate Service efficiency.
Invention content
The technical problem to be solved in the present invention is to provide a kind of precision form manufacturing devices, can solve above-mentioned present skill The problems in art.
To solve the above problems, the present invention adopts the following technical scheme that:A kind of precision form manufacturing device of the present invention, packet Body frame is included, being extended in the body frame or so has punching press chamber, is provided on the body frame top end face and is communicated with the punching press chamber Blow tank, be provided on the right side of the blow tank on the body frame top end face downward through the punching press chamber and with the punching press The trough that chamber communicates, punching press bottom of chamber end wall left side are provided with deep gouge, are provided with to downward on the punching press chamber left end wall The lifting groove stretched and communicated with the deep gouge, be symmetrically arranged in the upper and lower ends wall on the right side of the punching press chamber sliding groove and under Sliding groove is located on the right side of the punching press chamber in the body frame and is provided with drive cavity extended up and down, is located in the body frame The second cavity is provided on the left of the lower slider slot, be located in the body frame below the lifting groove be provided with extend to the right and with The first cavity that second cavity communicates is provided with the driver slot that left and right extends, the punching in the first cavity base end wall It is provided with the pressing block that can be horizontally slipped in pressure chamber, is symmetrically arranged in the pressing block upper and lower ends face and the upper sliding groove With the upper limit position block and lower position block of the sliding connection of lower slider slot, left and right is provided in the upper sliding groove and lower slider slot Extend and the first threaded rod and the second threaded rod that are connect respectively with the upper limit position block and lower position block screw-thread fit, described the One threaded rod and the second threaded rod right end extend right in the drive cavity and have been respectively fixedly connected with upper belt-wheel and lower band Wheel, is connected with transmission belt, the second threaded rod left end extends to second chamber to the left between the upper belt-wheel and lower belt wheel In body and it is fixedly connected with first bevel gear, the lifter plate extended to the left in the lifting groove, institute are provided in the deep gouge It states to be extended up and down in lifting groove and has the 4th threaded rod being connect with the lifter plate screw-thread fit, the 4th threaded rod bottom End extends downwardly into first cavity and is fixedly connected with second bevel gear, and being provided in the driver slot can horizontally slip Sliding rack, left and right, which is extended, in the driver slot the third threaded rod being connect with the sliding rack screw-thread fit, described Third threaded rod right end and left and right driving motor be connected by power, are provided with rotary electric machine on the sliding rack top end face, described turn It is fixedly connected on the output shaft of dynamic motor to the biography with the first bevel gear or second bevel gear engaged transmission Dynamic bevel gear.
The trough top open part is provided with the first guiding oral area, the blow tank as a preferred technical solution, The junction of the punching press chamber is provided with the second guiding oral area, the cross-sectional area of the trough is more than the cross of the punching press chamber Sectional area.
The first threaded rod left end rotatably coordinates company with the upper sliding groove left end wall as a preferred technical solution, It connecing, first threaded rod is rotatably connected through the upper sliding groove right end wall and with the upper sliding groove right end wall, The first threaded rod right end is rotatably connected with the drive cavity right end wall;Second threaded rod runs through the downslide It moves slot left and right ends wall and is rotatably connected with lower slider slot left and right ends wall, the second threaded rod right end and institute It states drive cavity right end wall to be rotatably connected, first threaded rod is identical as the second screw thread shank diameter.
The 4th threaded rod tip rotatably coordinates company with the lifting groove top end wall as a preferred technical solution, It connects, the 4th threaded rod is rotatably connected through the lifting groove base end wall and with the lifting groove base end wall, described Lifter plate is slidably connected with the lifting groove;The third threaded rod left end rotatably coordinates with the driver slot left end wall Connection, the left and right driving motor are fixed in the driver slot right end wall, the sliding rack height and the driver slot Groove depth it is identical.
The volume of the first bevel gear, second bevel gear and drive bevel gear is identical as a preferred technical solution, institute It is identical with the volume of lower belt wheel to state upper belt-wheel.
The beneficial effects of the invention are as follows:
1. it is rotated by rotary electric machine task driven drive bevel gear, drive bevel gear rotation driving first bevel gear rotation, from And make the rotation of the second threaded rod, under the gearing of transmission belt, the first threaded rod is rotated together with the second threaded rod, from And pressing block is driven to slide to the left, pressing block slides the big composite plate of punching press to the left, to stamp out cross-sectional area and pressing block The identical small composite plate in left side, pressing block slide the small composite plate stamped out being pushed to punching press chamber to the left to the left Left end and above the lifter plate, then controls rotary electric machine work reversion so that pressing block slides into the right initial position State, so that it is high to stamp out small composite plate accuracy, meets composite plate in order to the press work of composite plate next time Use demand.
2. by controlling left and right driving motor work, left and right driving motor task driven sliding rack slides into driver slot to the left Left end then control rotary electric machine task driven drive bevel gear so that drive bevel gear is engaged with second bevel gear Rotation, drive bevel gear rotation driving second bevel gear rotation, second bevel gear rotation driving lifter plate upward sliding, lifter plate Upward sliding is to push up the small composite plate stamped out, so that small composite plate upper section exposes blow tank Outside, to facilitate small composite plate to take, in order to increase the working efficiency of composite plate punching press.
3. the configuration of the present invention is simple, manufacturing cost is cheap, and the punching operation of composite plate is simple and fast, considerably increases The working efficiency of composite plate punching press, while reducing the waste of manpower and materials, the small composite plate precision stamped out is high, effectively full The existing use demand for composite plate of foot, and batches of processing operation can be carried out to small composite plate.
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 precision form manufacturing device of the present invention, wherein pressing block is located at initial position State, sliding rack are located at driver slot right end;
Fig. 2 is structural schematic diagram when composite plate is put into trough in Fig. 1;
Structural schematic diagram when Fig. 3 is pressing block completion punching press state in the present invention;
Fig. 4 is that the structural schematic diagram after the small composite plate come is pushed upwardly is stamped out in the present invention;
Fig. 5 is sectional view at A-A in Fig. 1.
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 precision form manufacturing device shown in -5 refering to fig. 1, including body frame 1, the interior left and right of the body frame 1 are extended There is punching press chamber 2, the blow tank 101 communicated with the punching press chamber 2,1 top end face of the body frame are provided on 1 top end face of the body frame On be provided with downward through the punching press chamber 2 and the trough 102 that is communicated with the punching press chamber 2 on the right side of the blow tank 101, It is provided with deep gouge 43 on the left of 2 base end wall of punching press chamber, is provided on 2 left end wall of the punching press chamber and is extended downwardly and sink with described The lifting groove 4 that slot 43 communicates is symmetrically arranged with sliding groove 21 and lower slider slot in the upper and lower ends wall on the right side of the punching press chamber 2 31,2 right side of the punching press chamber is located in the body frame 1 and is provided with drive cavity 26 extended up and down, is located in the body frame 1 31 left side of the lower slider slot is provided with the second cavity 36, is located to be provided with below the lifting groove 4 in the body frame 1 and prolong to the right The first cavity 5 stretched and communicated with second cavity 36 is provided with the driving that left and right extends in first cavity, 5 base end wall Slot 50 is provided with the pressing block 20 that can be horizontally slipped in the punching press chamber 2, is symmetrical arranged in 20 upper and lower ends face of the pressing block There are the upper limit position block 22 and lower position block 32 with the upper sliding groove 21 and the sliding connection of lower slider slot 31, the upper sliding Left and right is provided in slot 21 and lower slider slot 31 to extend and respectively connect with the upper limit position block 22 and 32 screw-thread fit of lower position block The first threaded rod 23 and the second threaded rod 33 connect, 23 and second threaded rod of the first threaded rod, 33 right end extend right to In the drive cavity 26 and it has been respectively fixedly connected with upper belt-wheel 24 and lower belt wheel 34, has been connected between the upper belt-wheel 24 and lower belt wheel 34 It is connected to transmission belt 25,33 left end of the second threaded rod extends in second cavity 36 and is fixedly connected with the first cone to the left Gear 35, is provided with the lifter plate 42 extended to the left in the lifting groove 4 in the deep gouge 43, in the lifting groove 4 up and down Being extended has the 4th threaded rod 41 being connect with 42 screw-thread fit of the lifter plate, and 41 bottom end of the 4th threaded rod is to downward Reach in first cavity 5 and be fixedly connected with second bevel gear 44, being provided in the driver slot 50 can horizontally slip Sliding rack 53, left and right, which is extended, in the driver slot 50 the third threaded rod being connect with 53 screw-thread fit of the sliding rack 51,51 right end of third threaded rod and 52 be connected by power of left and right driving motor are provided on 53 top end face of the sliding rack and turn Dynamic motor 54, be fixedly connected on the output shaft of the rotary electric machine 54 to the first bevel gear 35 or described second The drive bevel gear 55 of 44 engaged transmission of bevel gear.
Wherein, 102 top open part of the trough is provided with the first guiding oral area 103, the blow tank 101 with it is described The junction of punching press chamber 2 is provided with the second guiding oral area, and the cross-sectional area of the trough 102 is more than the cross of the punching press chamber 2 Sectional area, so that it is guaranteed that pressing block 20 stamps out small composite plate.
Wherein, 23 left end of the first threaded rod is rotatably connected with 21 left end wall of the upper sliding groove, and described One threaded rod 23 is rotatably connected through 21 right end wall of the upper sliding groove and with 21 right end wall of the upper sliding groove, described First threaded rod, 23 right end is rotatably connected with 26 right end wall of the drive cavity;Under second threaded rod 33 runs through described It 31 left and right ends wall of sliding groove and is rotatably connected with 31 left and right ends wall of the lower slider slot, second threaded rod 33 Right end is rotatably connected with 26 right end wall of the drive cavity, first threaded rod 23 and 33 diameter of the second threaded rod It is identical.
Wherein, 41 top of the 4th threaded rod is rotatably connected with 4 top end wall of the lifting groove, the 4th spiral shell Rasp bar 41 through 4 base end wall of the lifting groove and being rotatably connected with 4 base end wall of the lifting groove, the lifter plate 42 with The lifting groove 4 is slidably connected;51 left end of third threaded rod rotatably coordinates company with 50 left end wall of the driver slot It connects, the left and right driving motor 52 is fixed in 50 right end wall of the driver slot, 53 height of the sliding rack and the drive The groove depth of dynamic slot 50 is identical.
Wherein, the first bevel gear 35, second bevel gear 44 are identical with the volume of drive bevel gear 55, the upper belt-wheel 24 is identical with the volume of lower belt wheel 34, is mutually directly engaged and passing power to convenient.
Big composite plate 100 when in use, is first put into from the trough 102, then passes through rotary electric machine by the present apparatus Drive bevel gear 55 described in 54 task drivens rotates, and the rotation of the drive bevel gear 55 drives the first bevel gear 35 to rotate, So that second threaded rod 33 rotates, under the gearing of the transmission belt 25, first threaded rod 23 with Second threaded rod 33 rotates together, and to drive the pressing block 20 to slide to the left, the pressing block 20 slides punching to the left Big composite plate 100 is pressed, to stamp out cross-sectional area small composite plate identical with 20 left side of the pressing block, the punching Briquetting 20 slides the small composite plate stamped out being pushed to 2 left end of punching press chamber to the left and is located at the liter to the left 42 top of plate is dropped, then controls the work reversion of the rotary electric machine 54 so that the pressing block 20 slides into the right initial position State, then controls the work of the left and right driving motor 52, sliding rack 53 described in 52 task driven of the left and right driving motor to A left side slides into the left end of the driver slot 50, so that the drive bevel gear 55 is engaged with the second bevel gear 44, connects It drive bevel gear 55 described in control 54 task driven of rotary electric machine to rotate, described in the rotation driving of the drive bevel gear 55 Second bevel gear 44 rotates, and the rotation of the second bevel gear 44 drives 42 upward sliding of lifter plate, the lifter plate 42 to Upper sliding is to push up the small composite plate stamped out, so that small composite plate upper section exposes blow tank 101 Outside, to facilitate small composite plate to take, the work reversion of the rotary electric machine 54 is controlled after the completion of taking so that the lifter plate 42 slide down to initial position;
The beneficial effects of the invention are as follows:
1. it is rotated by rotary electric machine task driven drive bevel gear, drive bevel gear rotation driving first bevel gear rotation, from And make the rotation of the second threaded rod, under the gearing of transmission belt, the first threaded rod is rotated together with the second threaded rod, from And pressing block is driven to slide to the left, pressing block slides the big composite plate of punching press to the left, to stamp out cross-sectional area and pressing block The identical small composite plate in left side, pressing block slide the small composite plate stamped out being pushed to punching press chamber to the left to the left Left end and above the lifter plate, then controls rotary electric machine work reversion so that pressing block slides into the right initial position State, so that it is high to stamp out small composite plate accuracy, meets composite plate in order to the press work of composite plate next time Use demand.
2. by controlling left and right driving motor work, left and right driving motor task driven sliding rack slides into driver slot to the left Left end then control rotary electric machine task driven drive bevel gear so that drive bevel gear is engaged with second bevel gear Rotation, drive bevel gear rotation driving second bevel gear rotation, second bevel gear rotation driving lifter plate upward sliding, lifter plate Upward sliding is to push up the small composite plate stamped out, so that small composite plate upper section exposes blow tank Outside, to facilitate small composite plate to take, in order to increase the working efficiency of composite plate punching press.
3. the configuration of the present invention is simple, manufacturing cost is cheap, and the punching operation of composite plate is simple and fast, considerably increases The working efficiency of composite plate punching press, while reducing the waste of manpower and materials, the small composite plate precision stamped out is high, effectively full The existing use demand for composite plate of foot, and batches of processing operation can be carried out to small composite plate.
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 (5)

1. a kind of precision form manufacturing device, including body frame, the interior left and right of the body frame, which is extended, has punching press chamber, feature to exist In:The blow tank communicated with the punching press chamber is provided on the body frame top end face, in the discharging on the body frame top end face It is provided on the right side of slot downward through the punching press chamber and the trough that is communicated with the punching press chamber, on the left of the end wall of the punching press bottom of chamber It is provided with deep gouge, the lifting groove for extending downwardly and being communicated with the deep gouge, the punching press are provided on the punching press chamber left end wall It is symmetrically arranged with sliding groove and lower slider slot in upper and lower ends wall on the right side of chamber, is located on the right side of the punching press chamber in the body frame It is provided with drive cavity extended up and down, is located in the body frame on the left of the lower slider slot and is provided with the second cavity, it is described It is located in body frame below the lifting groove and is provided with extension to the right and the first cavity communicated with second cavity, described first It is provided with the driver slot that left and right extends in cavity base end wall, the pressing block that can be horizontally slipped is provided in the punching press chamber, it is described Be symmetrically arranged in pressing block upper and lower ends face with the upper sliding groove and lower slider slot sliding connection upper limit position block and Lower position block, be provided in the upper sliding groove and lower slider slot left and right extend and respectively with the upper limit position block and lower position block The first threaded rod and the second threaded rod of screw-thread fit connection, first threaded rod and the second threaded rod right end extend to the right To in the drive cavity and upper belt-wheel and lower belt wheel has been respectively fixedly connected with, transmission is connected between the upper belt-wheel and lower belt wheel Band, the second threaded rod left end extend in second cavity and are fixedly connected with first bevel gear, the deep gouge to the left In be provided with the lifter plate extended to the left in the lifting groove, being extended up and down in the lifting groove has and the lifter plate 4th threaded rod of screw-thread fit connection, the 4th threaded rod bottom end extends downwardly into first cavity and is fixedly connected There is second bevel gear, the sliding rack that can be horizontally slipped is provided in the driver slot, being extended in the driver slot or so has The third threaded rod being connect with the sliding rack screw-thread fit, the third threaded rod right end connect with left and right driving motor power Connect, rotary electric machine be provided on the sliding rack top end face, be fixedly connected on the output shaft of the rotary electric machine to institute State the drive bevel gear of first bevel gear or second bevel gear engaged transmission.
2. precision form manufacturing device according to claim 1, it is characterised in that:The trough top open part setting There are the first guiding oral area, the junction of the blow tank and the punching press chamber to be provided with the second guiding oral area, the trough Cross-sectional area is more than the cross-sectional area of the punching press chamber.
3. precision form manufacturing device according to claim 1, it is characterised in that:The first threaded rod left end with it is described Upper sliding groove left end wall is rotatably connected, first threaded rod through the upper sliding groove right end wall and with the upper cunning Dynamic slot right end wall is rotatably connected, and the first threaded rod right end is rotatably connected with the drive cavity right end wall; Second threaded rod rotatably coordinates through lower slider slot left and right ends wall and with lower slider slot left and right ends wall Connection, the second threaded rod right end is rotatably connected with the drive cavity right end wall, first threaded rod with it is described Second screw thread shank diameter is identical.
4. precision form manufacturing device according to claim 1, it is characterised in that:4th threaded rod tip with it is described Lifting groove top end wall is rotatably connected, the 4th threaded rod through the lifting groove base end wall and with the lifting groove bottom End wall is rotatably connected, and the lifter plate is slidably connected with the lifting groove;The third threaded rod left end and institute It states driver slot left end wall to be rotatably connected, the left and right driving motor is fixed in the driver slot right end wall, institute It is identical as the groove depth of the driver slot to state sliding rack height.
5. precision form manufacturing device according to claim 1, it is characterised in that:The first bevel gear, the second cone tooth Wheel is identical with the volume of drive bevel gear, and the upper belt-wheel is identical with the volume of lower belt wheel.
CN201810189062.XA 2018-03-08 2018-03-08 A kind of precision form manufacturing device Withdrawn CN108481435A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810189062.XA CN108481435A (en) 2018-03-08 2018-03-08 A kind of precision form manufacturing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810189062.XA CN108481435A (en) 2018-03-08 2018-03-08 A kind of precision form manufacturing device

Publications (1)

Publication Number Publication Date
CN108481435A true CN108481435A (en) 2018-09-04

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810189062.XA Withdrawn CN108481435A (en) 2018-03-08 2018-03-08 A kind of precision form manufacturing device

Country Status (1)

Country Link
CN (1) CN108481435A (en)

Citations (5)

* Cited by examiner, † Cited by third party
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
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
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
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

Patent Citations (5)

* Cited by examiner, † Cited by third party
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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Application publication date: 20180904

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