CN208730000U - All-in-one machine is die cut for the mold of punching press cross cutting all-in-one machine and punching press - Google Patents
All-in-one machine is die cut for the mold of punching press cross cutting all-in-one machine and punching press Download PDFInfo
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- CN208730000U CN208730000U CN201821548601.6U CN201821548601U CN208730000U CN 208730000 U CN208730000 U CN 208730000U CN 201821548601 U CN201821548601 U CN 201821548601U CN 208730000 U CN208730000 U CN 208730000U
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Abstract
The utility model relates to stamping die technologies, it is specifically a kind of to be die cut all-in-one machine for the mold of punching press cross cutting all-in-one machine and punching press, upper mold includes the upper die holder being successively arranged from top to bottom, upper die plate, upper mould fixed plate, discharging backing plate and stripper, lower die includes the lower die holder being successively arranged from the bottom to top, lower mold backing plate and lower mold fixed plate, upper mould fixed plate, fixed plate mold insert is equipped on the inside of discharging backing plate and stripper, die cutter is equipped on the downside of the fixed plate mold insert, two sides inside fixed plate mold insert are arranged in parallel with two groups of pilot pins, the outer end of pilot pin extends downward into the outside of die cutter.It is provided by the utility model to be die cut all-in-one machine for the mold of punching press cross cutting all-in-one machine and punching press, passing through mold while carrying out punch forming to product, it can be die cut with the film of product surface by die cutter to attaching, and the setting for passing through pilot pin, the setting of limited block realizes being effectively aligned and positioning between film and product.
Description
Technical field
The utility model relates to stamping die technology, a kind of specifically mold for punching press cross cutting all-in-one machine
And punching press is die cut all-in-one machine.
Background technique
Die-cutting machine is widely used in sticker product, and wherein die-cutting machine is current most widely used type, and the country is
Complete product variety series is formed, higher level has technically also been reached.Traditional step is product punching press and glue
Piece cross cutting carries out respectively, then will pay on the product of punching press number by the film plaster of cross cutting again, but be constrained to equipment precision
And transfer positioning and the superposition of human error when film is covered on product surface after cross cutting, the precision of existing equipment and technique can not
Meet the customer requirement of precise electronic industry, interminable process also results in the rising of cost.For this purpose, applicant's integrated product rushes
Process and die-cutting process are pressed, simultaneously compound film laminating die cutting procedure is directly punched on resultant metal coiled strip surface, realizes overlay film --- it is grading
It is punched composite mold cutting ----waste discharge is integrally formed full automatic line.The pre- pad pasting of product is realized by this transfer matic, and completely automation connects
Continuous production avoids film from carrying the positioning accumulated error repeatedly shifted with product and the artificial loss on monolithic pad pasting.And
This technique is higher to the positioning accuracy between product and film, it is therefore desirable to design the novel punching press that is used for of one kind and be die cut one
The mold of machine and punching press are die cut all-in-one machine.
Summary of the invention
Utility model aims to solve the deficiencies in the prior art, provide a kind of mould for punching press cross cutting all-in-one machine
Tool and punching press are die cut all-in-one machine, realize the effective position between film and product.
To achieve the goals above, a kind of mold for punching press cross cutting all-in-one machine, including upper die and lower die are designed, it is described
Upper mold includes the upper die holder being successively arranged from top to bottom, upper die plate, upper mould fixed plate, discharging backing plate and stripper, described
Lower die includes the lower die holder being successively arranged from the bottom to top, lower mold backing plate and lower mold fixed plate, and the upper mould fixed plate unloads backing strap
It is equipped with fixed plate mold insert on the inside of plate and stripper, is equipped with die cutter, the fixed plate mold insert on the downside of the fixed plate mold insert
Internal two sides are arranged in parallel with two groups of pilot pins, and the outer end of the pilot pin extends downward into the outside of die cutter, described
Lower die mold insert on correspond to the pilot pin position be equipped with groove, when upper mold matches punching press with lower die, described determines
Position needle can the location hole being punched corresponding on material strip and the groove match to realize positioning.
Preferably, the outer end of the pilot pin extends downward at the 3mm in the outside of die cutter.
Preferably, the fixed plate mold insert bottom end is equipped with thread groove, and the die cutter corresponds to the thread groove
Position be equipped with threaded hole, by thread groove and threaded hole described in screw bolt passes to realize die cutter and fixed plate mold insert
Positioning.
Preferably, the upper die holder and upper die plate are equipped with the threaded hole being connected, and the fixed plate mold insert
Upper end is equipped with thread groove corresponding with the screw thread hole site, by screw bolt passes threaded hole and thread groove to realize
The connection of upper die holder, upper die plate and fixed plate mold insert.
Preferably, the upper mold is led to the discharging for sequentially passing through upper mould fixed plate, discharging backing plate and stripper is had
Column, the lower die are equipped with guide sleeve corresponding with the discharging guide post.
Preferably, the pilot pin upper end is equipped with step structure, and the fixed plate mold insert upper end two sides are symmetrically arranged with
Two groups of parallel counterbore groups, every group of counterbore group include several counterbores, and the counterbore is used for the platform being equipped with pilot pin upper end
Stage structure matches, and is equipped with first through hole on the downside of each counterbore, described first is corresponded on the die cutter
Through-hole is correspondingly provided with the second through-hole, between fixed plate mold insert and die cutter be cooperatively connected when described in first through hole and the second through-hole
Connection, the aperture of the first through hole, the aperture of second through-hole and the diameter phase of the pilot pin can be cooperated
It adapts to.
The utility model also provides a kind of punching press cross cutting one using the mold for punching press cross cutting all-in-one machine
Body machine, the punching press cross cutting all-in-one machine further include the conveyer belt for material conveying band, are equipped with two relatively on the conveyer belt
Column limited block, for carrying out coarse positioning to material strip.
Preferably, the described punching press cross cutting all-in-one machine include sequentially connected feeder, laminating machine, draw material machine, die-cutting machine,
Overlay film device for removing waste and collecting machine, the die-cutting machine use the described mold for punching press cross cutting all-in-one machine with realize punching press with
Cross cutting.
Preferably, metal contact inductor is provided on the downside of the discharge outlet of the feeder.
Preferably, two sides are provided with infrared sensing above and below the material strip in the laminating machine and overlay film device for removing waste exit
Device.
The beneficial effect of utility model
It is provided by the utility model for punching press cross cutting all-in-one machine mold and punching press cross cutting all-in-one machine the advantages of include
But be not limited to: the mold and punching press cross cutting all-in-one machine provided by the utility model for punching press cross cutting all-in-one machine is passing through mould
Tool is carrying out stamping forming meanwhile, it is capable to be die cut with the film of product surface by die cutter to attaching to product, from
And realize that the one of punching press cross cutting is completed, and the mold, by the setting of pilot pin, the punching press is die cut all-in-one machine
By the setting of limited block, being effectively aligned and positioning between film and product is realized.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the utility model for the mold of punching press cross cutting all-in-one machine in an embodiment.
Fig. 2 is the structural schematic diagram of the utility model punching press cross cutting all-in-one machine in an embodiment.
Fig. 3 is partially schematic Fig. 1 of Fig. 2.
Fig. 4 is partially schematic Fig. 2 of Fig. 2.
Fig. 5 is partially schematic Fig. 3 of Fig. 2.
Fig. 6 is the material strip work step figure in an embodiment when the utility model is used.
Fig. 7 is upper mold schematic diagram of the utility model for the mold of punching press cross cutting all-in-one machine in an embodiment.
Fig. 8 is lower die schematic diagram of the utility model for the mold of punching press cross cutting all-in-one machine in an embodiment.
Fig. 9 is structural schematic diagram of the utility model for the mold of punching press cross cutting all-in-one machine in another embodiment.
In figure: 1. upper die holder, 2. upper die plate, 3. pilot pin, 4. upper mould fixed plate, 5. discharging backing plate, 6. pin
7. 11. flexible mat board of fixed plate mold insert 8. stripper, 9. die cutter, 10. lower die mold insert, 12. lower mold backing plate 13.
18. belt metallic coil stock of feeder 14. laminating machine, 15. die-cutting machine, 16. overlay film device for removing waste, 17. collecting machine, 19. metal
20. one side glue of contact inductor carries 21. black one side glue of protective film, 22. infrared sensor, 23. die-cutting machine pressure
28. limited block of frame 24. mold, 25. sense counter, 26. line shaft, 27. waste discharge mould, 29. step structure 30.
31. first through hole of counterbore, 32. second through-hole.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing, the people of the structure and principle of this device to this profession
For be very clearly.It should be appreciated that specific embodiment described herein is only used to explain the utility model, and do not have to
In restriction the utility model.
Referring to Fig. 1, Fig. 7 and Fig. 8, the mold for punching press cross cutting all-in-one machine, including upper die and lower die, it is described
Including upper die and lower die, the upper mold includes the upper die holder being successively arranged from top to bottom, upper die plate, upper mould fixed plate, discharging
Backing plate and stripper, the lower die include the lower die holder being successively arranged from the bottom to top, lower mold backing plate and lower mold fixed plate, described
Upper mould fixed plate, be equipped with fixed plate mold insert on the inside of discharging backing plate and stripper, be equipped with cross cutting on the downside of the fixed plate mold insert
Knife, the two sides inside the fixed plate mold insert are arranged in parallel with two groups of pilot pins, and every group of pilot pin is arranged by nine straight lines
Pilot pin constitutes (six pilot pins are only shown in Fig. 1), and the outer end of the pilot pin extends downward into the outside of die cutter, institute
It is equipped with groove corresponding to the position of the pilot pin on the lower die mold insert stated, it is described when upper mold matches punching press with lower die
Pilot pin can the location hole being punched corresponding on material strip and the groove match to realize positioning.Preferably, described
The outer end of pilot pin extends downward at the 3mm in the outside of die cutter.
In one preferred embodiment, the fixed plate mold insert bottom end is equipped with the first thread groove and the second screw thread
Hole, the position that the die cutter corresponds to first thread groove are equipped with the first threaded hole, correspond to described second
The position of threaded hole is equipped with the second thread groove, sequentially passes through first threaded hole and the from the bottom to top by bolt or pin
One thread groove sequentially passes through second threaded hole and the second thread groove, from top to bottom by bolt or pin to realize mould
The positioning of cutter and fixed plate mold insert.
In one preferred embodiment, the upper die holder and upper die plate are equipped with the threaded hole being connected, and
The fixed plate mold insert upper end is equipped with thread groove corresponding with the lead to the hole site, passes through screw bolt passes threaded hole
The connection of upper die holder, upper die plate and fixed plate mold insert is realized with thread groove.The upper mold is sequentially passed through to having
The discharging guide post of mould fixed plate, discharging backing plate and stripper, the lower die are equipped with lead corresponding with the discharging guide post
Set.
In one preferred embodiment, referring to Fig. 9, the pilot pin upper end is equipped with step structure, and described consolidates
Fixed board mold insert upper end two sides are symmetrically arranged with two groups of parallel counterbore groups, and every group of counterbore group includes 9 counterbores, and the counterbore is used for
The step structure being equipped with pilot pin upper end matches, and first through hole is equipped on the downside of each counterbore, in the cross cutting
Correspond to the first through hole on knife and be correspondingly provided with the second through-hole, is cooperated between fixed plate mold insert and die cutter by bolt and connected
First through hole described in when connecing and the second through-hole can cooperate connection, and the pilot pin is located at during the part in first through hole is
Section, it is bottom section that the pilot pin, which is located at the part in the second through-hole, and the diameter of the bottom section is less than the diameter in middle section, described
The aperture of first through hole and the diameter in middle section match, the diameter of the aperture of second through-hole and bottom section matches.Even
When connecing, the step structure of pilot pin is matched first with counterbore, upper die holder, upper die plate and fixation are then realized by bolt
Connection between plate mold insert, to realized jointly by the bottom and the counterbore of upper die plate to pilot pin step structure
The limit to pilot pin circumferential direction is realized in limit by first through hole and the second through-hole.
Embodiment 1
Referring to fig. 2, in the present embodiment, the punching press cross cutting all-in-one machine includes sequentially connected feeder, laminating machine, drawing
Material machine, die-cutting machine, overlay film device for removing waste and collecting machine, each equipment itself are prior art construction, mould used by the present embodiment
Machine is cut, is referred to the stamping die of existing stamping equipment, the mold for punching press cross cutting all-in-one machine is replaced with, thus
So that it is provided simultaneously with the function of punching press and cross cutting, becomes die-cutting machine.Preferably, in the present embodiment, the die-cutting machine exists
It is additionally provided with a set of stamping die on front side of mold for punching press cross cutting all-in-one machine, for carrying out the punching of location hole to material strip.Institute
The stamping die stated and the mold for punching press cross cutting all-in-one machine are driven by the power-equipment of die-cutting machine and are moved up and down with realizing,
To carry out punching press and cross cutting to material.The power-equipment is the equipment of the prior art, for example, power-equipment can be gas
Cylinder, in present embodiment, the end of the piston rod of the mold and cylinder is welded, and pass through piston rod moves up and down band dynamic model
Tool moves up and down.
Referring to Fig. 3-5, metal contact inductor is provided on the downside of the discharge outlet of the feeder, when under material strip
When pendant, the metal contact inductor can be touched, then illustrates that feeder feeding speed is too fast, is incuded by metal contact
Device issues signal to control centre, can adjust the feeding speed of feeder in time.Go out in the laminating machine and overlay film device for removing waste
The upper and lower two sides of material strip at mouthful place are provided with infrared sensor, by the setting of infrared sensor, when a certain device rate is too fast or
It crosses slowly, will lead to material strip and rise or drop and detected by infrared sensor, infrared sensor can be issued to control centre and be detected
It is adjusted to the signal of material strip, and in turn by speed of the control centre to each equipment, ensure that effective fortune between each equipment
Row.
Referring to Fig. 6, in use, needing the belt metallic coil stock speed of synchronous feeding machine, the overlay film speed of laminating machine, keep film smooth
It is continuously covered on metal material belt, with feeding machine effective brake, it is principle that appropriate material strip length is reserved between postorder each process, is passed through
Coiled strip continuous feeding, which to winding, meets mold quantity-produced needs, to be ensured to the arrangement of infrared sensor.By the material of overlay film
For band by blanking die first at die-cutting machine, material strip punching under the action of by blanking pressure forms five step pitch 2- φ
1.51mm location hole, the correcting nail and material strip of the mold for punching press cross cutting all-in-one machine after mould for die-cutting machine at station are gone forward work
The location hole cooperation of position punching, provides accurate positioning for material strip in a mold；Meanwhile the conveyer belt two sides of punching press cross cutting all-in-one machine
It is additionally provided with limited block, conveyer belt is the structure for conveying for transporting material strip to subsequent work stations, and the position between limited block is material
Band position, material strip are followed closely in correcting, accurate to be punched product local form shape under the positioning action of limited block；And it compound is assemblied in
Die cutter in mold, in the case where limited block and flexible mat board act on simultaneously, die cutter effectively cuts film, make film separation without
Product surface is injured, isolated film is brought away from material strip during waste discharge, meets shape to obtain product surface and directly paste
Shape and position degree require the metal material belt of film, for subsequent continuous mold forming feed.
It is directly covered in due to film in the former material of final products, the coiled strip after being die cut waste discharge is final products as former material
Punching shaping feed, the position degree of cross cutting is to ensure that the key factor of subsequent product quality.Therefore it is specially set in the present embodiment
Limited block and correcting nail are set to guarantee its position degree.
Firstly, for material strip through correcting at the beginning of the limited block on conveyer belt, the setting position of limited block is material strip two sides after overlay film
At the position 0.05mm.After first correcting, be punched material strip location hole in mould, this location hole as include in mold die cutting working position and after
Unique location hole when continuous material strip molding reduces the cumulative errors of material positioning conversion, to ensure that insulating cement is finally producing
Active position on product.After location hole is punched, that is, enter the die cutting working position of punching press cross cutting all-in-one machine, pilot pin and die cutter
It is assembled in same fixed plate insert.Pilot pin exceeds die cutter 3mm in mould, and when molding, pilot pin first carries out correcting to material strip
Positioning, then carry out cross cutting operation, it is ensured that the positioning accuracy of die cutting working position.
After overlay film, insulation film has been pasted on final metal product surface.Thus cross cutting depth not enough will affect glue film
Waste discharge, glue residua influence subsequent formed product de- material again in material surface indirectly, cause product to weigh wounded or fold and explode mould；Mould
Cutting depth is too deep, and product surface can be made to deform, and the marking that will be injured material surface what is more and be formed with depth influences most
The appearance and function of finished product；Or excessively exert a force onto metal material after cutting off film, serious aggravation cross cutting edge damage
Consumption, the frequent continuity replaced die cutter and destroy production.Therefore, the present embodiment is below the lower die insert of die cutting working position,
Increase the flexible mat board made of bakelite material, can appropriate buffer portion blanking pressure, and will not too fast surrender fail and can meet
Quantity-produced needs.Meanwhile 6 limited blocks being evenly distributed in die face working range, limit the lower cutting-in of die cutter
Degree, so that die cutter, which is crossed, cuts depth of material as 0.02mm, it is ensured that cutting die can effectively cut off insulating cement, and will not excessively damage metal
Material is caused to deform or be weighed wounded；The abrasion to cross cutting edge is weakened simultaneously.
The getting stuck of material strip in wire body, de- material has some setbacks and positioning accuracy is influence all fronts automated production key factor it
One.This project belt metallic coil stock friction feeding, final reel rewinding.And punching location hole will be used as the subsequent continuous production of material strip in mould
Uniform datum hole.Cutting die is fixed on upper mould fixed plate, while correcting needle passes through die cutter and material strip location hole on positioning plate
Cooperation reduces positioning cumulative errors, to ensure that die cutting working position insulating cement shape and position can meet final products requirement.
To ensure positioning accuracy, it is desirable that material strip movement speed matches with material machine speed is drawn in mould.Mold upper and lower mould is not yet
It is closed completely and correcting nail front end is when having passed through location hole, in die-cutting machine that signal is fed back to the material machine that draws by wiring board, draws material machine
Pre-tightening apparatus starts to loosen, and material strip follows closely correcting in place by 9 groups of correctings in mold, until mold upper and lower mould is closed, material strip over-voltage
0.01mm；Hereafter, portion is by punching blanking pressure before a mold for material strip, while at mold rear portion by die cutter pressure, is respectively completed pair
Material strip location hole punching and film cross cutting；It is then set on the contrary when discharging.Increase photoelectric sensor, infrared inductor after feeder
The working depth for setting bound reserves the material strip length in two periods with subsequent handling equipment room, translates for balancing material band
With the fine difference of material strip moving distance on make the test linear velocity and feeding/drawing material machine, also can avoid because certain station is abnormal in wire body
It shuts down, other stations cause material strip to pull deformation when not yet braking, it is ensured that material strip energy all fronts continuously conveying materials.
All-in-one machine is die cut using the punching press of the present embodiment, punching press and one step of cross cutting are completed, improve efficiency, reduce technique stream
Journey shortens the production cycle, and eliminates process product upper half automatic single pad pasting after the prior art, avoids operation and multiple bearing
Error is beneficial to promote product quality, improves yield process route and shortens, effective to reduce artificial turnover, and product yield is significant
It improves, is beneficial to reduce manpower, product cost.
Claims (10)
1. a kind of mold for punching press cross cutting all-in-one machine, including upper die and lower die, it is characterised in that described include upper mold and
Lower die, the upper mold include the upper die holder being successively arranged from top to bottom, upper die plate, upper mould fixed plate, discharging backing plate and discharging
Plate, the lower die include the lower die holder being successively arranged from the bottom to top, lower mold backing plate and lower mold fixed plate, and the upper mold is fixed
It is equipped with fixed plate mold insert on the inside of plate, discharging backing plate and stripper, is equipped with die cutter on the downside of the fixed plate mold insert, described consolidates
Two sides inside fixed board mold insert are arranged in parallel with two groups of pilot pins, and the outer end of the pilot pin extends downward into the outer of die cutter
Side, the position that the pilot pin is corresponded on the lower die mold insert are equipped with groove, when upper mold matches punching press with lower die, institute
The pilot pin stated can the location hole being punched corresponding on material strip and the groove match to realize positioning.
2. the mold for punching press cross cutting all-in-one machine as described in claim 1, it is characterised in that the outer end of the pilot pin
It extends downward at the 3mm in the outside of die cutter.
3. the mold for punching press cross cutting all-in-one machine as described in claim 1, it is characterised in that the fixed plate mold insert bottom
End is equipped with thread groove, and the position that the die cutter corresponds to the thread groove is equipped with threaded hole, passes through screw bolt passes
The thread groove and threaded hole is to realize the positioning of die cutter Yu fixed plate mold insert.
4. the mold for punching press cross cutting all-in-one machine as described in claim 1, it is characterised in that the upper die holder and upper mold
Backing plate is equipped with the threaded hole being connected, and the fixed plate mold insert upper end is equipped with corresponding with the screw thread hole site
Thread groove realizes the connection of upper die holder, upper die plate and fixed plate mold insert by screw bolt passes threaded hole and thread groove.
5. the mold for punching press cross cutting all-in-one machine as described in claim 1, it is characterised in that the upper mold is to having
The discharging guide post of upper mould fixed plate, discharging backing plate and stripper is sequentially passed through, the lower die is equipped with and the discharging guide post
Corresponding guide sleeve.
6. the mold for punching press cross cutting all-in-one machine as described in claim 1, it is characterised in that the pilot pin upper end is set
There is step structure, the fixed plate mold insert upper end two sides are symmetrically arranged with two groups of parallel counterbore groups, if every group of counterbore group includes
Dry counterbore, the step structure that the counterbore is used to be equipped with pilot pin upper end match, and set on the downside of each counterbore
Have first through hole, the first through hole corresponded on the die cutter and is correspondingly provided with the second through-hole, fixed plate mold insert and
First through hole and the second through-hole described in when being cooperatively connected between die cutter can cooperate connection, the hole of the first through hole
The diameter of diameter, the aperture of second through-hole and the pilot pin is adapted.
7. a kind of punching press using as described in claim 1 for the mold of punching press cross cutting all-in-one machine is die cut all-in-one machine, special
Sign is that the punching press cross cutting all-in-one machine further includes the conveyer belt for material conveying band, is equipped with two relatively on the conveyer belt
Column limited block, for carrying out coarse positioning to material strip.
8. punching press as claimed in claim 7 is die cut all-in-one machine, it is characterised in that the punching press cross cutting all-in-one machine includes successively
The feeder of connection, draws material machine, die-cutting machine, overlay film device for removing waste and collecting machine at laminating machine, and the die-cutting machine uses the use
In the mold of punching press cross cutting all-in-one machine to realize punching press and be die cut.
9. punching press as claimed in claim 8 is die cut all-in-one machine, it is characterised in that under the discharge outlet of the feeder
Inductor when side is provided with metal contact.
10. punching press as claimed in claim 8 is die cut all-in-one machine, it is characterised in that go out in the laminating machine and overlay film device for removing waste
Material strip at mouthful is provided with infrared sensor in two sides up and down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821548601.6U CN208730000U (en) | 2018-09-21 | 2018-09-21 | All-in-one machine is die cut for the mold of punching press cross cutting all-in-one machine and punching press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821548601.6U CN208730000U (en) | 2018-09-21 | 2018-09-21 | All-in-one machine is die cut for the mold of punching press cross cutting all-in-one machine and punching press |
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| Publication Number | Publication Date |
|---|---|
| CN208730000U true CN208730000U (en) | 2019-04-12 |
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ID=66035069
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821548601.6U Active CN208730000U (en) | 2018-09-21 | 2018-09-21 | All-in-one machine is die cut for the mold of punching press cross cutting all-in-one machine and punching press |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110802675A (en) * | 2019-12-04 | 2020-02-18 | 苏州优派克电子科技有限公司 | Transfer protection film punching and pasting die, punching and pasting machine and punching and pasting composite method |
| CN112719076A (en) * | 2020-12-11 | 2021-04-30 | 广州京写电路板有限公司 | High-precision positioning device for die for aluminum substrate |
-
2018
- 2018-09-21 CN CN201821548601.6U patent/CN208730000U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110802675A (en) * | 2019-12-04 | 2020-02-18 | 苏州优派克电子科技有限公司 | Transfer protection film punching and pasting die, punching and pasting machine and punching and pasting composite method |
| CN112719076A (en) * | 2020-12-11 | 2021-04-30 | 广州京写电路板有限公司 | High-precision positioning device for die for aluminum substrate |
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