CN110479867A - A kind of friction feeding stamping die and Sheet Metal Forming Technology - Google Patents
A kind of friction feeding stamping die and Sheet Metal Forming Technology Download PDFInfo
- Publication number
- CN110479867A CN110479867A CN201910772150.7A CN201910772150A CN110479867A CN 110479867 A CN110479867 A CN 110479867A CN 201910772150 A CN201910772150 A CN 201910772150A CN 110479867 A CN110479867 A CN 110479867A
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- feeding
- material strip
- sliding block
- punch
- hole
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- 238000005516 engineering process Methods 0.000 title claims abstract description 11
- 239000002184 metal Substances 0.000 title claims abstract description 10
- 239000000463 material Substances 0.000 claims abstract description 109
- 238000004080 punching Methods 0.000 claims abstract description 55
- 238000000034 method Methods 0.000 claims abstract description 25
- 238000005452 bending Methods 0.000 claims description 8
- 238000005520 cutting process Methods 0.000 claims description 2
- 230000000750 progressive effect Effects 0.000 abstract description 3
- 230000035611 feeding Effects 0.000 description 68
- 239000000047 product Substances 0.000 description 13
- 238000010586 diagram Methods 0.000 description 7
- 238000012545 processing Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 238000003754 machining Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000011265 semifinished product Substances 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
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
- B21D28/24—Perforating, i.e. punching holes
- B21D28/34—Perforating tools; Die holders
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/08—Dies with different parts for several steps in a process
-
- 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
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/02—Advancing work in relation to the stroke of the die or tool
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Punching Or Piercing (AREA)
Abstract
The present invention provides a kind of friction feeding Sheet Metal Forming Technologies, comprising the following steps: S1, material strip and material strip enter from two feed inlets respectively, and feedstock direction is mutually perpendicular to；S2, material strip process to obtain through-hole by pierce punch, through-hole snaps connection on the feeding hook of sliding block, slotting tool, which moves downward, pushes sliding block to advance together with material strip, through-hole on front side of feeding hook snaps connection on anti-back hook, slotting tool moves up at this time, sliding block resets under the action of the spring, and feeding hook enters in next through-hole；S3, slotting tool move down again, and sliding block and feeding hook drive material strip to advance, and the through-hole on anti-back hook is detached from and advances, and are caught in the through-hole of rear side again on anti-back hook, and slotting tool and sliding block reset, and material strip is advanced relative to slotting tool.The present invention realizes automatic charging, when two or more products, which need to stamp, to rivet together, this mechanism can be used, multiple material strips, which intersect at, completes punching, forming, riveted etc. in the same set of progressive die.
Description
Technical field
The present invention relates to stamping die technology, in particular to a kind of friction feeding stamping die and Sheet Metal Forming Technology.
Background technique
Stamping die is that material (metal or nonmetallic) is processed into the one of part (or semi-finished product) in Cold Press Working
Kind of special process equipment, referred to as cold punching die, existing progressive stamping are using feeder, and continuous uninterrupted feeding reaches
To the purpose of continuous punching, but when in one set of die there are two or when multiple material strip punching presses, be not just available continuous production, for
The process, existing processing method are punching press respectively, are cooperated multiple material strip punching presses together by multiple sets of molds, the party
Formula process is various, and need multiple sets of molds cooperation carry out, significantly increase production cost, therefore, how to develop it is a set of more
Convenient and fast feed mechanism becomes the research direction of those skilled in the art.
Summary of the invention
In order to overcome the drawbacks of the prior art, the present invention provides a kind of friction feeding stamping die and Sheet Metal Forming Technology.
To achieve the goals above, the present invention the following technical schemes are provided:
A kind of friction feeding Sheet Metal Forming Technology, comprising the following steps:
S1, material strip and material strip enter from two feed inlets respectively, and feedstock direction is mutually perpendicular to；
S2, material strip process to obtain through-hole by pierce punch, and through-hole snaps connection on the feeding hook of sliding block, and slotting tool is transported downwards
Dynamic that sliding block is pushed to advance together with material strip, the through-hole on front side of feeding hook snaps connection on anti-back hook, inserts at this time
Knife moves up, and sliding block resets under the action of the spring, and feeding hook enters in next through-hole；
S3, slotting tool move down again, and sliding block and feeding hook drive material strip to advance, before the through-hole on anti-back hook is detached from simultaneously
Into being caught in the through-hole of rear side again on anti-back hook, slotting tool and sliding block reset, and material strip is advanced relative to slotting tool；
S4, S2 and S3 process is repeated, material strip is uninterruptedly sent on material strip, and punching press, riveted movement are realized on material strip.
A kind of friction feeding stamping die, including feed section and punch-out, the feed section are arranged in pressing part
Point side, material strip is sent to material strip, and the feed section includes feeding upper mold and feeding lower die, the feeding upper mold and feeding
Lower die opposite side is equipped with pierce punch and slotting tool, and the pierce punch is arranged close to feed inlet one, and the slotting tool is set to punching
The hole formed punch side opposite with feed inlet one, the slotting tool lower section are equipped with sliding block, and the slotting tool is that contact of incline plane is connect with sliding block,
The slotting tool, which moves downward, makes sliding block transverse shifting, and the sliding block is connected in feeding lower die, the sliding block and feeding lower die
It is equipped with connecting rod between template, is socketed with spring on the outside of the connecting rod, the spring is installed in the template of feeding lower die；
The sliding block and feeding upper mold opposite side are equipped with feeding hook, are additionally provided with anti-back hook, institute in the feeding lower die
Anti-back hook is stated set on sliding block side opposite with pierce punch.
Further, the template opposite side of the sliding block and feeding lower die is equipped with mounting hole, the template be equipped with
The coaxial multistage hole of mounting hole, described connecting rod one end are fixedly connected in mounting hole, and the other end is convex equipped with preventing spring from falling off
The lug boss of the portion of rising, the spring and connecting rod is placed in together in the biggish hole in aperture in multistage hole.
Further, the feeding hook anti-back coupler construction is identical, is both slope structure, beveled end direction
Feed inlet one.
Further, the feed section is additionally provided with rivet punch, and the rivet punch is arranged in feeding upper mold.
Further, the punch-out includes punching press upper mold and punching press lower die, the punching press upper mold and punching press lower die one
Side is equipped with feed inlet two, and the formed punch that presses is equipped between the punching press upper mold and punching press lower die, and the formed punch that presses is set to material strip
With material strip overlapping.
Further, the formed punch that presses is equipped with material strip close to feed section side and cuts formed punch, and the material strip cuts punching
Head is connected in punching press upper mold.
Further, the punch-out is additionally provided with holes of products formed punch, cuts formed punch and Bending punch, described to cut formed punch
The outlet end of punch-out is set, and the Bending punch, which is placed in, cuts formed punch side opposite with outlet end.
Further, the slotting tool is equipped with bit-avoiding slot.
Further, the feeding lower die is equipped with stock guide.
Further, the feeding upper mold and punching press upper mold are connected on upper die holder, the feeding lower die and punching press lower die
Connection on the lower die seat, is equipped with more guide posts between the upper die holder and lower die holder.
Beneficial effect of the invention is that the present apparatus realizes automatic charging, when two or more products need to stamp
When riveting together, this mechanism can be used, multiple material strips, which intersect at, completes punching, forming, riveted etc. in the same set of progressive die,
Without the two or more feeders of adapted, the completely uninterrupted feeding of the present apparatus, punching press merge into existing multiple working procedure
One procedure, improves processing efficiency, changes original processing technology, reduces human cost, and the technical process is simpler
Just, feeding is completed by one set of die and punching press acts, instead of original feed mechanism and stamping die, simplified processing and set
It is standby, improve the degree of automation of processing.
Detailed description of the invention
Fig. 1 is the perspective view of structure of the invention.
Fig. 2 is the structural schematic diagram of structure of the invention upper die holder.
Fig. 3 is the structural schematic diagram of structure of the invention lower die holder.
Fig. 4 is the partial structural diagram of structure of the invention punching press upper mold.
Fig. 5 is the machining state schematic diagram of structure of the invention material strip and material strip.
Fig. 6 is the machining state schematic diagram of structure of the invention material strip part.
Fig. 7 is the cross-sectional view of structure of the invention feed section.
Fig. 8 is the structural schematic diagram of structure of the invention feed section.
Fig. 9 is the feeding process schematic diagram of structure of the invention feed section.
Figure label:
1, material strip；2, material strip；3, feeding upper mold；301, pierce punch；302, slotting tool；303, rivet punch；4, feeding lower die；
401, sliding block；4011, mounting hole；402, connecting rod；403, spring；404, feeding hook；405, anti-back hook；406, guide
Plate；5, feed inlet one；6, punching press upper mold；601, holes of products formed punch；602, press formed punch；603, formed punch is cut；604, bending is rushed
Head；605, material strip cuts formed punch；7, punching press lower die；8, feed inlet two；9, upper die holder；10, lower die holder；11, guide post.
Specific embodiment
The preferred embodiments of the present invention will be described in detail with reference to the accompanying drawing, 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.
As shown in figs 1-9, a kind of friction feeding Sheet Metal Forming Technology, comprising the following steps:
S1, material strip and material strip enter from two feed inlets respectively, and feedstock direction is mutually perpendicular to；
S2, material strip process to obtain through-hole by pierce punch, and through-hole snaps connection on the feeding hook of sliding block, and slotting tool is transported downwards
Dynamic that sliding block is pushed to advance together with material strip, the through-hole on front side of feeding hook snaps connection on anti-back hook, inserts at this time
Knife moves up, and sliding block resets under the action of the spring, and feeding hook enters in next through-hole；
S3, slotting tool move down again, and sliding block and feeding hook drive material strip to advance, before the through-hole on anti-back hook is detached from simultaneously
Into being caught in the through-hole of rear side again on anti-back hook, slotting tool and sliding block reset, and material strip is advanced relative to slotting tool；
S4, S2 and S3 process is repeated, material strip is uninterruptedly sent on material strip, and punching press, riveted movement are realized on material strip.
A kind of friction feeding stamping die, including feed section and punch-out, the feed section are arranged in pressing part
Divide side, material strip 1 is sent to material strip 2, the feed section includes feeding upper mold 3 and feeding lower die 4, the feeding upper mold 3
It is equipped with pierce punch 301 and slotting tool 302 with 4 opposite side of feeding lower die, the pierce punch 301 is arranged close to feed inlet 1,
The slotting tool 302 is set to the side opposite with feed inlet 1 of pierce punch 301, is equipped with sliding block 401 below the slotting tool 302,
The slotting tool 302 is that contact of incline plane is connect with sliding block 401, and the slotting tool 302, which moves downward, makes 401 transverse shifting of sliding block, described
Sliding block 401 is connected in feeding lower die 4, and connecting rod 402, the connecting rod are equipped between the sliding block 401 and the template of feeding lower die 4
402 outsides are socketed with spring 403, and the spring 403 is installed in the template of feeding lower die 4；
The sliding block 401 is equipped with feeding hook 404 with 3 opposite side of feeding upper mold, is additionally provided with anti-back in the feeding lower die 4
Hook 405, the anti-back hook 405 are set to the side opposite with pierce punch 301 of sliding block 401.
The sliding block 401 and the template opposite side of feeding lower die 4 are equipped with mounting hole 4011, and the template is equipped with and peace
The coaxial multistage hole in hole 4011 is filled, described 402 one end of connecting rod is fixedly connected in mounting hole 4011, and the other end, which is equipped with, prevents spring
The lug boss of 403 lug bosses to fall off, the spring 403 and connecting rod 402 is placed in the biggish hole in aperture in multistage hole together
It is interior.
The 404 anti-back hook of feeding hook, 405 structures are identical, are both slope structure, beveled end towards into
Material mouth 1, which can be such that material strip is inserted on hook along slope surface, and can not reversely be detached from hook.
The feed section is additionally provided with rivet punch 303, and the rivet punch 303 is arranged in feeding upper mold 3, the rivet
Formed punch 303 is used to the punching press in material strip and obtains rivet hole, is used to connect with material strip 2.
The punch-out includes punching press upper mold 6 and punching press lower die 7, and the punching press upper mold 6 and 7 side of punching press lower die are equipped with
Feed inlet 28, is equipped with the formed punch 602 that presses between the punching press upper mold 6 and punching press lower die 7, the formed punch 602 that presses is set to material
Item 1 and 2 overlapping of material strip.
The formed punch 602 that presses is equipped with material strip close to feed section side and cuts formed punch 605, and the material strip cuts formed punch
605 are connected in punching press upper mold 6, need shape for material strip to be cut into product.
The punch-out is additionally provided with holes of products formed punch 601, cuts formed punch 603 and Bending punch 604, described to cut formed punch
603 are arranged in the outlet end of punch-out, and the Bending punch 604, which is placed in, cuts the side opposite with outlet end of formed punch 603.
The slotting tool 302 is equipped with bit-avoiding slot, for avoiding the position of connecting rod 402.
The feeding lower die 4 is equipped with stock guide 406, for being oriented to material strip.
The feeding upper mold 3 and punching press upper mold 6 are connected on upper die holder 9, and the feeding lower die 4 and punching press lower die 7 connect
On lower die holder 10, more guide posts 11 are equipped between the upper die holder 9 and lower die holder 10.
The present invention is further described with working principle with reference to the accompanying drawing.
Material strip 1 and material strip 2 enter feed section and punch-out, feed section from feed inlet 1 and feed inlet 28 respectively
Multiple 1 material strips of material strip are automatically fed into, and punching press material strip 1, stamping forming material strip 1 is located at material strip 2 automatically into punch-out
Top, material strip 1 and material strip 2 are linked together by pressing formed punch 602, realize material strip 1 and material strip 2 connection, the process
The self-feeding and punching for realizing multiple material strips also achieve being connected and fixed for material strip and material strip 2, reduce manufacturing procedure, are promoted
Working efficiency；
Material strip 2 enters punching press upper mold 6 and punching press lower die 7 by feed inlet 28, first passes through holes of products formed punch 601 and processes needs
Various product hole, holes of products formed punch 601 is configured according to the size and different location of the holes of products on final products, material
Band 2 moves on, and material strip 1 is sent into 2 top of material strip by feed section, while the formed punch 602 that presses rivets together the two, later
Material strip 2 moves on, and again passes by multiple 601 punching presses of holes of products formed punch and obtains holes of products, Bending punch 604 rolls over material strip later
Demand shape is curved, product is finally cut off into taking-up by cutting formed punch 604；
Two material strips first pass through pierce punch 301 and rush in material strip from the stock guide 406 that feed inlet 1 enters feeding lower die 4
Pressure obtains two column square holes, and two of them square hole enters on the feeding hook 404 of 401 top of sliding block, this feeding hook 404 is slope surface
Structure, i.e. square hole can be hung on feeding hook 404 along slope surface, but can not reversely be detached from hook, and feeding upper mold 3 moves downward at this time
Band active slotting-tool 302 moves downward, and is cooperated by the inclined-plane of slotting tool 302 and sliding block 401,401 transverse shifting of sliding block, while driving material
Item is mobile towards punch-out, and the connecting rod 402 inside the template of feeding lower die 7 moves together with sliding block 401 at this time, spring 403
It is compressed in the multistage hole of template, and after material strip is advanced, other two square hole in material strip is inserted on anti-back hook 405；
At this point, feeding upper mold 3 resets, slotting tool 302 is moved up, and the rebound of spring 403 drives pull rod 402 to retreat together, keeps sliding block 401 multiple
Position, feeding hook 404 retreats two square holes before being detached from this time, into the square hole of rear side, recycles the above process, slotting tool 302
Continue to move down, sliding block is pushed to advance, material strip is detached from the process that moves forward, while the latter from anti-back hook 405
Square hole enters anti-back hook 405, this process realizes the automatic charging of material strip, repeat the above process, it can be achieved that material strip not
It is interrupted feeding, and more material strip feedings can be achieved at the same time；
Material strip moves on after anti-back hook 405, first passes through the punching press in material strip of rivet punch 303 and obtains rivet hole,
It cuts formed punch by material strip later to cut material strip punching press to obtain the material strip 1 being attached on material strip 2, last material strip 1 enters material
Riveted is carried out above band 2；
The feed section can realize that more material strips feeding simultaneously, entire feeding process are automatic progress, push sliding block using pull rod
Translation, and hook is set on sliding block, make the uninterrupted feeding of material strip, smart structural design replaces existing feed mechanism completely；
And can simultaneously be cut material strip punching press to demand shape in feeding process, existing multiple working procedure is merged into a procedure,
Processing efficiency is improved, original manufacturing procedure is changed.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those skilled in the art within the technical scope disclosed by the invention, can without the variation that creative work is expected or
Replacement, should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be limited with claims
Subject to fixed protection scope.
Claims (10)
1. a kind of friction feeding Sheet Metal Forming Technology, which comprises the following steps:
S1, material strip and material strip enter from two feed inlets respectively, and feedstock direction is mutually perpendicular to；
S2, material strip process to obtain through-hole by pierce punch, and through-hole snaps connection on the feeding hook of sliding block, and slotting tool is transported downwards
Dynamic that sliding block is pushed to advance together with material strip, the through-hole on front side of feeding hook snaps connection on anti-back hook, inserts at this time
Knife moves up, and sliding block resets under the action of the spring, and feeding hook enters in next through-hole；
S3, slotting tool move down again, and sliding block and feeding hook drive material strip to advance, before the through-hole on anti-back hook is detached from simultaneously
Into being caught in the through-hole of rear side again on anti-back hook, slotting tool and sliding block reset, and material strip is advanced relative to slotting tool；
S4, S2 and S3 process is repeated, material strip is uninterruptedly sent on material strip, and punching press, riveted movement are realized on material strip.
2. a kind of stamping die for friction feeding Sheet Metal Forming Technology described in claim 1, which is characterized in that including feed section
And punch-out, the feed section are arranged in punch-out side, material strip (1) are sent on material strip (2), the feed section
Including feeding upper mold (3) and feeding lower die (4), the feeding upper mold (3) and feeding lower die (4) opposite side are equipped with pierce punch
(301) it is arranged with slotting tool (302), the pierce punch (301) close to feed inlet one (5), the slotting tool (302) is set to punching
Formed punch (301) side opposite with feed inlet one (5), slotting tool (302) lower section are equipped with sliding block (401), the slotting tool (302)
It is that contact of incline plane is connect with sliding block (401), the slotting tool (302), which moves downward, makes sliding block (401) transverse shifting, the sliding block
(401) it is connected on feeding lower die (4), is equipped with connecting rod (402) between the sliding block (401) and the template of feeding lower die (4), institute
It states and is socketed with spring (403) on the outside of connecting rod (402), the spring (403) is installed in the template of feeding lower die (4)；
The sliding block (401) and feeding upper mold (3) opposite side are equipped with feeding hook (404), also set on the feeding lower die (4)
Have anti-back hook (405), the anti-back hook (405) is set to sliding block (401) side opposite with pierce punch (301).
3. friction feeding stamping die according to claim 1, which is characterized in that the sliding block (401) and feeding lower die
(4) template opposite side is equipped with mounting hole (4011), and the template is equipped with the multistage hole coaxial with mounting hole (4011), institute
Connecting rod (402) one end to be stated to be fixedly connected in mounting hole (4011), the other end is equipped with the lug boss for preventing spring (403) from falling off,
The lug boss of the spring (403) and connecting rod (402) is placed in together in the biggish hole in aperture in multistage hole.
4. friction feeding stamping die according to claim 1, which is characterized in that feeding hook (404) anti-back
Hook (405) structure is identical, is both slope structure, and beveled end is towards feed inlet one (5).
5. friction feeding stamping die according to claim 1, which is characterized in that the feed section is additionally provided with rivet punching
Head (303), the rivet punch (303) are arranged on feeding upper mold (3).
6. friction feeding stamping die according to claim 1, which is characterized in that the punch-out includes punching press upper mold
(6) and punching press lower die (7), the punching press upper mold (6) and punching press lower die (7) side are equipped with feed inlet two (8), the punching press upper mold
(6) it is equipped with and presses formed punch (602) between punching press lower die (7), the formed punch that presses (602) is set to material strip (1) and material strip (2)
Overlapping.
7. friction feeding stamping die according to claim 1, which is characterized in that the formed punch that presses (602) is close to be sent
Material part side is equipped with material strip and cuts formed punch (605), and the material strip cuts formed punch (605) and is connected on punching press upper mold (6).
8. friction feeding stamping die according to claim 1, which is characterized in that the punch-out is additionally provided with holes of products
Formed punch (601) cuts formed punch (603) and Bending punch (604), the outlet for cutting formed punch (603) and punch-out being arranged in
End, the Bending punch (604), which is placed in, cuts formed punch (603) side opposite with outlet end.
9. friction feeding stamping die according to claim 1, which is characterized in that the feeding lower die (4) is equipped with and leads
Flitch (406).
10. friction feeding stamping die according to claim 1, which is characterized in that on the feeding upper mold (3) and punching press
Mould (6) is connected on upper die holder (9), and the feeding lower die (4) and punching press lower die (7) are connected on lower die holder (10), it is described on
More guide posts (11) are equipped between die holder (9) and lower die holder (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910772150.7A CN110479867A (en) | 2019-08-21 | 2019-08-21 | A kind of friction feeding stamping die and Sheet Metal Forming Technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910772150.7A CN110479867A (en) | 2019-08-21 | 2019-08-21 | A kind of friction feeding stamping die and Sheet Metal Forming Technology |
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| Publication Number | Publication Date |
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| CN110479867A true CN110479867A (en) | 2019-11-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910772150.7A Pending CN110479867A (en) | 2019-08-21 | 2019-08-21 | A kind of friction feeding stamping die and Sheet Metal Forming Technology |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111390023A (en) * | 2020-06-04 | 2020-07-10 | 宁波甬龙机械有限公司 | A automatic mould for producing installing support before right |
| CN112091050A (en) * | 2020-09-03 | 2020-12-18 | 东莞市益佳电子有限公司 | Composite terminal forming method and composite terminal die |
| CN113172168A (en) * | 2021-05-07 | 2021-07-27 | 河南凯邦电机有限公司 | Feeding width adjustable device of high-speed stamping die |
| CN113843349A (en) * | 2020-06-28 | 2021-12-28 | 富鼎电子科技(嘉善)有限公司 | Crimping device and crimping method using same |
| CN113878021A (en) * | 2020-07-03 | 2022-01-04 | 广达电脑股份有限公司 | Automatic production equipment with functions of metal plate punching and in-mold riveting |
| CN114042820A (en) * | 2021-11-04 | 2022-02-15 | 惠州至精精密技术有限公司 | Automatic feeding mechanism for continuous stamping |
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| CN103521608A (en) * | 2012-07-06 | 2014-01-22 | 昆山德盛精密模具有限公司 | Multi-station high-precision cold stamping die for in-mold riveting of special ultra-thin materials |
| CN203304434U (en) * | 2013-06-21 | 2013-11-27 | 欧托凯勃汽车线束（太仓）有限公司 | Automatic feeding mechanism in punch die |
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