CN212948208U - Die cutting tool assembly for processing double faced adhesive tape product with holes - Google Patents
Die cutting tool assembly for processing double faced adhesive tape product with holes Download PDFInfo
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- CN212948208U CN212948208U CN202020954684.XU CN202020954684U CN212948208U CN 212948208 U CN212948208 U CN 212948208U CN 202020954684 U CN202020954684 U CN 202020954684U CN 212948208 U CN212948208 U CN 212948208U
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- 238000005520 cutting process Methods 0.000 title claims abstract description 138
- 239000002390 adhesive tape Substances 0.000 title claims abstract description 42
- 239000000463 material Substances 0.000 claims abstract description 58
- 238000004080 punching Methods 0.000 claims abstract description 44
- 239000000853 adhesive Substances 0.000 claims abstract description 10
- 230000001070 adhesive effect Effects 0.000 claims abstract description 10
- 238000004519 manufacturing process Methods 0.000 claims abstract 4
- 239000002699 waste material Substances 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 7
- 239000003292 glue Substances 0.000 claims description 4
- 239000010410 layer Substances 0.000 claims 2
- 239000012790 adhesive layer Substances 0.000 claims 1
- 239000011295 pitch Substances 0.000 description 14
- 239000011159 matrix material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
The utility model relates to a die cutting tool component for processing a double faced adhesive tape product with holes, wherein the double faced adhesive tape product comprises a bearing film layer, the bearing film layer is divided into an adhesive area pasted with a double faced adhesive tape layer and an adhesive-free area which protrudes outwards and is connected on the adhesive area, and the adhesive-free area is provided with a through hole; the die cutting tool assembly comprises a first die cutting tool, a second die cutting tool and a third die cutting tool which are used for sequentially punching the material belt; the first die cutting tool and the third die cutting tool are common dies, a plurality of rows of tool lines are arranged along the feeding direction of the material belt, and the die cutting is carried out according to multiple times of steps during die cutting; the second die cutting tool is a blanking die cutting die, only one row of tool lines are arranged, and the die cutting is carried out according to single step pitch during die cutting. Compared with the prior art, the utility model discloses utensil mould expense is low, advantages such as production efficiency height.
Description
Technical Field
The utility model relates to a cross cutting cutter especially relates to a cross cutting cutter subassembly of foraminiferous double faced adhesive tape product of processing.
Background
The die-cut products are subjected to one-step die cutting and multi-step die cutting, the one-step die-cut products are simple, and the multi-step die-cut products (two or more steps are called multi-step die cutting) are more complicated than the one-step die-cut products. When the multi-step cutter line is punched, positioning holes are punched at two edges of the first-step material belt, and the positioning holes punched in the first step are punched in the second step and the subsequent steps to ensure the precision of the product.
As shown in fig. 1, the double-sided adhesive tape product required by the customer includes a carrier film layer, the carrier film layer is divided into a tape area pasted with a double-sided adhesive tape layer and a non-tape area protruding outwards and connected to the tape area, the non-tape area is provided with a through hole, the product is provided with a circular hole structure, the circular hole structure generally needs to be provided with a blanking die, the blanking die is expensive compared with a common die cutting tool, the cost is higher, a row of blanking holes are not added, the cost of the blanking die needs to be increased by more than 1500 yuan, the cost is higher, and the improvement of economic benefits is not facilitated; therefore, the number of holes (the number of holes is the number of products) of the blanking die is generally designed to be small, in order to match with the blanking die, the number of holes on the die used in other die cutting steps is consistent with that of the blanking die, the number of products obtained by one-time punching in the processing mode is small, the punching frequency can be increased, and the labor cost is increased. Therefore, how to improve the productivity on the premise of not changing the hole number of the blanking die is an urgent problem to be solved.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a cross cutting tool assembly of foraminiferous double faced adhesive tape product of processing in order to overcome the defect that the product processing productivity that above-mentioned prior art exists is low.
The purpose of the utility model can be realized through the following technical scheme:
a die cutting tool assembly for processing a double faced adhesive tape product with holes comprises a bearing film layer, wherein the bearing film layer is divided into an adhesive area adhered with a double faced adhesive tape layer and an adhesive-free area which protrudes outwards and is connected to the adhesive area, and a through hole is arranged on the adhesive-free area;
the die cutting tool assembly comprises a first die cutting tool, a second die cutting tool and a third die cutting tool which are used for sequentially punching the material belt;
the first die cutting tool is provided with a plurality of rows of transverse tool line groups arranged along the material belt feeding direction, and each row of transverse tool line groups comprises a plurality of transverse tool lines arranged along the material belt width direction; the transverse knife line comprises an inner contour knife line matched with the contour of the joint of the glue area and the glue-free area, a first auxiliary knife line connected with the inner contour knife line and positioned in the non-product area, and a second auxiliary knife line extending along the feeding direction of the material belt;
the second die cutting tool is provided with a group of through hole tool lines, the through hole tool lines comprise a plurality of through hole tool lines arranged along the width direction of the material belt, and the second die cutting tool performs blanking punching on the material belt to generate waste matched with a through hole structure;
the third die cutting tool is provided with a plurality of rows of product outline tool line groups arranged along the feeding direction of the material belt, each row of product outline tool line group comprises a plurality of product outline tool lines arranged along the width direction of the material belt, and the product outline tool lines punch the outline of the product on the material belt;
the first die cutting tool and the third die cutting tool are used for punching according to multiple-time step pitch, the multiple-time punching step pitch is the total length of the transverse knife line groups of the rows, the second die cutting tool is used for punching according to single-time step pitch, and the single-time punching step pitch is the length of each transverse knife line group of the rows;
the first die cutting tool comprises a plurality of positioning hole cutter line groups and a first positioning pin group, wherein the arrangement distance of the positioning hole cutter line groups is the length of a single step pitch, and the arrangement number of the positioning hole cutter line groups is the same as the row number of the transverse cutter line groups; in the process of positioning and punching the material belt each time, a punched hole structure is sleeved on the first positioning pin group as a positioning hole, and a positioning hole cutter line group punches a new hole structure on the material belt as a positioning hole for next punching; and the second die-cutting tool is provided with a second positioning pin group, the third die-cutting tool is provided with a third positioning pin group, and the second positioning pin group and the third positioning pin group extend into positioning holes machined by the positioning hole tool lines to position the material belt.
In the utility model, the common die cutting tools such as the first die cutting tool and the third die cutting tool adopt the multiple step pitch punching, meanwhile, the first die cutting tool can process positioning holes with the single step pitch on the material belt in the punching process, and the positioning holes are used for the subsequent positioning of the second die cutting tool and the third die cutting tool; through redesigning the positioning hole cutter group, the second die cutting cutter for blanking and punching can be matched with die cutting cutters in other steps, and the capacity is greatly improved under the condition that the blanking and punching cutters are not changed.
The number of rows of the transverse knife line groups on the first die-cutting tool and the number of rows of the product outline knife line groups on the third die-cutting tool are respectively 2-3 rows.
The number of rows of the transverse knife line group on the first die cutting tool and the number of rows of the product outline knife line group on the third die cutting tool are respectively 3.
The number of the transverse knife lines in the transverse knife line group is 1-4, and the number of the through hole knife lines in the through hole knife line group is the same as the number of the product contour knife lines in the product contour knife line group.
The number of the transverse knife lines in the transverse knife line group, the number of the through hole knife lines in the through hole knife line group and the number of the product outline knife lines in the product outline knife line group are all 4.
The number of holes of the product is not suitable to be increased too much, if the number of holes is increased too much, the number of knife lines is too much, and the tonnage of each die cutting machine is limited, so that the pressure is unstable during punching, and poor punching is caused; through tests, the first die cutting tool and the third die cutting tool are not more than 3 rows of cutting lines in the feeding direction of the material belt, and are not more than 4 rows of cutting lines in the width direction of the material belt.
For multi-step punching, the front and rear punching steps in the existing punching mode all punch the same outline of the product, and the outline of the product has a burr phenomenon due to the punching mode, so that the appearance quality of the product is influenced. In order to further solve the burr problem of the product, the utility model discloses the knife line has further been reset.
The first auxiliary knife line and the second auxiliary knife line are both located in a non-product area, and the outline obtained by punching the third die cutting tool on the adhesive area is located on the surface of the double-sided adhesive tape obtained by processing the first die cutting tool. When the first die cutting tool is used for processing the double-sided adhesive tape, all the outlines of the double-sided adhesive tape are not directly punched, only the outline of the double-sided adhesive tape in the middle of the surface of the carrier film is punched, the outline of the double-sided adhesive tape and the outline of the carrier film which are vertically overlapped are punched and finished through the third die cutting tool, the edge of the double-sided adhesive tape is placed for secondary punching, and the problem of burrs is solved.
In the plurality of rows of transverse tool lines, one transverse tool line positioned at the end part consists of an inner contour tool line and a first auxiliary tool line.
The utility model discloses leave out the supplementary tool line of second of a horizontal tool line, reduced the tool line quantity of first cross cutting cutter, improved cross cutting stability.
The positioning hole cutter line group comprises two positioning hole cutter lines which are respectively arranged at two sides of the transverse cutter line group; the location hole knife line is a knife line with a C-shaped hole structure.
By adopting the cutter line with the C-shaped hole structure, the circular waste obtained by punching still keeps being connected with the material belt theme, and the problem of circular waste discharge is not involved.
Along the feeding direction in material area, be equipped with two first locating pin group on the cross cutting tool, this first locating pin group sets up the locating pin in horizontal tool path group both sides respectively including two.
When the positioning hole is machined, the two first positioning pin groups are adopted, and the position accuracy of the next positioning hole can be ensured.
And the second die cutting tool and the third die cutting tool are provided with a positioning pin.
Compared with the prior art, the utility model has the advantages of it is following:
(1) the utility model greatly increases the number of the holes on the common die by redesigning other common dies (the first die cutting tool and the third die cutting tool) matched with the Shu blanking die on the premise of not increasing the blanking die (the second die cutting tool), improves the productivity by about 2.5 times under the condition that the number of the holes of the common die is increased by 2 times, and obviously reduces the labor cost;
(2) the utility model discloses through setting up first supplementary tool line and second supplementary tool line on first cross cutting cutter in non-product area, first cross cutting cutter and third cross cutting cutter can not be in the same position die-cut repeatedly of double faced adhesive tape, consequently avoided the deckle edge of double faced adhesive tape to produce, improved product quality;
(3) the first die cutting tool is used for continuously punching the surface of the material belt, and the outlines obtained by two adjacent punching are in tail connection, so that the whole knife line formed by the inner outline knife line and the first auxiliary knife line does not need to be strictly aligned with the second auxiliary knife line in the width direction of the material belt, and the processing difficulty of the first die cutting tool is reduced.
Drawings
FIG. 1 is a schematic structural view of a row of double-sided adhesive tape products obtained by die cutting according to the present invention;
fig. 2 is a schematic structural view of a first die cutting tool of the present invention;
fig. 3 is a schematic view of the structure of the material belt after one-time punching in the present invention;
fig. 4 is a schematic structural view of a second die cutting tool of the present invention;
fig. 5 is a schematic view of the structure of the material belt after the secondary punching of the present invention;
fig. 6 is a schematic structural view of a third die cutting tool according to the present invention;
fig. 7 is a schematic view of a material belt structure after three times of punching in the present invention;
in the drawing, 1 is a double-sided tape product, 11 is a carrier film layer, 12 is a non-adhesive area, 13 is a through hole, 2 is a first die cutter, 21 is a transverse cutter line, 211 is an inner contour cutter line, 212 is a first auxiliary cutter line, 213 is a second auxiliary cutter line, 22 is a positioning hole cutter line group, 23 is a first positioning pin group, 3 is a second die cutter, 31 is a through hole cutter line, 32 is a second positioning pin group, 4 is a third die cutter, 41 is a product contour cutter line, and 42 is a third positioning pin group.
Detailed Description
The present invention will be described in detail with reference to the following embodiments. The following examples will assist those skilled in the art in further understanding the present invention, but are not intended to limit the invention in any way. It should be noted that various changes and modifications can be made by one skilled in the art without departing from the spirit of the invention. These all belong to the protection scope of the present invention.
Examples
The utility model provides a die cutting cutter subassembly of foraminiferous double faced adhesive tape product for process is as shown in figure 1 double faced adhesive tape product, and double faced adhesive tape product 1 includes bears rete 11, should bear rete 11 and divide into and paste the area of having glue that has of double faced adhesive tape and outwards bulge and connect in there being the gluey district 12 on the district of gluing, is equipped with through-hole 13 on the gluey district 12 of nothing.
The die cutting tool assembly comprises a first die cutting tool 2, a second die cutting tool 3 and a third die cutting tool 4 which sequentially die cut the material belt, and it should be known in the art that when die cutting is performed, the positions of the die cutting tools in the width direction of the material belt and the positions of the die cutting tools in the length direction of the material belt should be matched one by one, the product knife lines on the first die cutting tool 2 and the third die cutting tool 4 are distributed according to a 3 x 4 matrix, and the product knife lines on the second die cutting tool 3 are distributed according to a 1 x 4 matrix.
As shown in fig. 2, the first die cutter 2 is provided with 3 rows of transverse knife line groups arranged along the feeding direction of the material belt, and each row of transverse knife line groups comprises 4 transverse knife lines 21 arranged along the width direction of the material belt; the transverse knife line 21 comprises an inner contour knife line 211 matched with the contour of the joint of the glue area and the glue-free area 12, a first auxiliary knife line 212 connected with the inner contour knife line 211 and positioned in the non-product area, and a second auxiliary knife line 213 extending along the feeding direction of the material belt, the transverse knife line 21 positioned at the lowest part, namely the side edge closest to the material belt, only consists of the inner contour knife line 211 and the first auxiliary knife line 212, and the side edge of the material belt forms a straight line contour corresponding to the second auxiliary knife line 213; when punching, the bearing film, the double-sided adhesive tape and the auxiliary protective film are sequentially attached to the bearing material belt, die cutting is carried out by adopting a first die cutting tool 2, the auxiliary protective film and the double-sided adhesive tape are punched at the punching level, the outline patterns which are connected in an end-to-end mode are processed on the double-sided adhesive tape, as shown in figure 3, the shadow area in the figure is a product area, and the double-sided adhesive tape in a non-product area is discarded.
As shown in fig. 4, a group of through hole knife line groups is arranged on the second die cutter 3, the through hole knife line groups include a plurality of through hole knife lines 31 arranged along the width direction of the material strip, and the second die cutter 3 performs blanking and punching on the material strip to generate waste materials matched with the through hole 13 structure, so as to obtain the material strip shown in fig. 5;
as shown in fig. 6, the third die cutting tool 4 is provided with a plurality of rows of product contour tool sets arranged along the feeding direction of the tape, each row of product contour tool set comprises a plurality of product contour tool lines 41 arranged along the width direction of the tape, the product contour tool lines 41 punch the outer contour of the product on the tape to obtain the tape shown in fig. 7, and the waste material outside each double-sided adhesive tape product still remains as a whole, thereby facilitating waste discharge.
In order to solve the problem of the burrs of the double-sided tape, in the embodiment, the first auxiliary blade line 212 and the second auxiliary blade line 213 are both located in the non-product area, and the profile punched by the third die-cutting tool 4 in the adhesive area is located on the surface of the double-sided tape processed by the first die-cutting tool 2, as shown in fig. 7, the profile punched by the first auxiliary blade line 212 and the second auxiliary blade line 213 are located outside the product profile blade line, and are not overlapped.
The first and third punches 2 and 4 cut at a 3-time pitch, which is the total length of the sets of transverse threads 21 in the rows, by 38.76MM, and the second punch 3 cut at a single-time pitch, which is the length of the sets of transverse threads in each row, by 12.92 MM. In order to realize accurate positioning between cutters with different pitches, 3 groups of positioning hole cutters 22 and 2 groups of first positioning pins 23 on the first die-cutting cutter 2 are arranged in a straight line in the feeding direction of the material belt, and the 3 groups of positioning hole cutters 22 and the 2 groups of first positioning pins 23 are arranged at equal intervals, and the interval is a single-time cutting pitch. In the process of positioning and punching the material belt each time, the punched hole structure is sleeved on the first positioning pin group 23 as a positioning hole, and the positioning hole cutter group 22 punches a new hole structure on the material belt as a positioning hole for next punching. The first die cutting tool 2 can form a plurality of rows of single pitch sprocket holes in the web, as shown in fig. 3 for sprocket holes on both sides of the web. The positioning holes are used for being matched with a second positioning pin group 32 arranged on the second die cutting tool 3, a third positioning pin group 42 is arranged on the third die cutting tool 4, and the second positioning pin group 32 and the third positioning pin group 42 extend into the positioning holes machined by the positioning hole tool lines to position the material belt by single step pitch or 3 times step pitch. In this embodiment, the positioning hole tool line group 22 includes two positioning hole tool lines respectively disposed on two sides of the transverse tool line group; the location hole knife line is a C-shaped hole structure knife line; along the feeding direction of the material belt, two first positioning pin groups 23 are arranged on the first die cutting tool 2, and each first positioning pin group 23 comprises two positioning pins which are respectively arranged on two sides of the transverse tool line group; the second die cutter 3 and the third die cutter 4 are provided with a set of dowel pins. Regarding the location in the width direction of the material belt, as long as guarantee that the knife line setting interval of each row is the same, and with the same distance between the locating pin.
In the embodiment, the number of the holes of the through hole tool lines on the blanking and punching second die cutting tool 3 is not increased, and for the embodiment, the cost is increased by about more than 1500 yuan and is higher when a row of blanking positioning hole tool line groups is added; therefore, the second die cutting tool 3 is kept unchanged, 2 rows of corresponding tool line groups are added on the common die cutting channel tool (the first die cutting tool and the third die cutting tool), the capacity is improved by about 2.5 times, the labor cost is greatly reduced, and the processing efficiency is improved.
The first die cutter 2, the second die cutter 3 and the third die cutter 4 may be mounted directly on the die cutting machine. Regarding the feeding roller and the winding roller cooperating with the first die cutter 2, the second die cutter 3 and the third die cutter 4, which belong to the technical content that can be understood by those skilled in the art, for the product of the present embodiment, the die cutting step is: (a) attaching the bearing film to the bottom supporting adhesive tape, then attaching the double-sided adhesive tape, then attaching the first auxiliary release film, punching a pattern on the double-sided adhesive tape by adopting a first die cutting tool, discharging waste from the double-sided adhesive tape in the non-product area, and then tearing off all the first auxiliary release film; (b) a second die cutting prop is adopted to perform blanking and punching on the material belt to process a circular through hole on the glue-free area, and waste discharge is not needed due to the blanking and punching; (c) punching the material belt by using a third die cutting tool, and punching the outer contour of a product to obtain the product arranged on the bottom supporting adhesive tape; other devices cooperating with the first, second and third die cutters 2, 3 and 4 of the present invention, such as a feed roll, a roll of material, a laminator, etc., will be easily conceivable to those skilled in the art.
The foregoing description of the specific embodiments of the invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes and modifications may be made by those skilled in the art within the scope of the appended claims without departing from the spirit of the invention.
Claims (10)
1. A die cutting tool assembly for processing a double-sided adhesive tape product with holes is characterized in that the double-sided adhesive tape product (1) comprises a bearing film layer (11), the bearing film layer (11) is divided into an adhesive area adhered with a double-sided adhesive layer and an adhesive-free area (12) protruding outwards and connected to the adhesive area, and a through hole (13) is formed in the adhesive-free area (12);
the die cutting tool assembly is characterized by comprising a first die cutting tool (2), a second die cutting tool (3) and a third die cutting tool (4) which are used for sequentially punching a material belt;
the first die cutting tool (2) is provided with a plurality of rows of transverse tool line groups arranged along the material belt feeding direction, and each row of transverse tool line group comprises a plurality of transverse tool lines (21) arranged along the material belt width direction; the transverse knife line (21) comprises an inner contour knife line (211) matched with the contour of the joint of the glue area and the glue-free area (12), a first auxiliary knife line (212) connected with the inner contour knife line (211) and positioned in a non-product area, and a second auxiliary knife line (213) extending along the feeding direction of the material belt;
a group of through hole cutter line groups are arranged on the second die cutting tool (3), each through hole cutter line group comprises a plurality of through hole cutter lines (31) arranged along the width direction of the material belt, and the second die cutting tool (3) performs blanking and punching on the material belt to generate waste materials matched with the structures of the through holes (13);
the third die cutting tool (4) is provided with a plurality of rows of product outline tool line groups arranged along the material belt feeding direction, each row of product outline tool line group comprises a plurality of product outline tool lines (41) arranged along the material belt width direction, and the product outline tool lines (41) punch the outer outline of a product on the material belt;
the first die-cutting tool (2) and the third die-cutting tool (4) punch according to multiple step distances, the multiple step distances are the total length of the plurality of rows of transverse knife line groups (21), the second die-cutting tool (3) punches according to single step distances, and the single step distances are the length of each row of transverse knife line groups;
a plurality of positioning hole cutter groups (22) and a first positioning pin group (23) on the first die cutting cutter (2), wherein the arrangement distance of the positioning hole cutter groups (22) is the length of a single step pitch, and the arrangement number of the positioning hole cutter groups (22) is the same as the row number of the transverse cutter groups; in the process of positioning and punching the material belt each time, a punched hole structure is sleeved on the first positioning pin group (23) as a positioning hole, and a positioning hole cutter line group (22) punches a new hole structure on the material belt to be used as a positioning hole for next punching; and a second positioning pin group (32) is arranged on the second die-cutting tool (3), a third positioning pin group (42) is arranged on the third die-cutting tool (4), and the second positioning pin group (32) and the third positioning pin group (42) extend into positioning holes machined by the positioning hole tool lines to position the material belt.
2. The die cutting tool assembly for processing perforated double sided tape products as claimed in claim 1, wherein the number of rows of the cross blade group on the first die cutting tool (2) and the product outline blade group on the third die cutting tool (4) is 2-3 rows, respectively.
3. The die cutter assembly for processing perforated double sided tape products as claimed in claim 2, wherein the number of rows of the cross blade group of the first die cutter (2) and the product contour blade group of the third die cutter (4) is 3 rows, respectively.
4. The die cutting tool assembly for processing double sided tape products with holes of claim 1, wherein the number of the transverse knife lines (21), the number of the through hole knife lines (31) and the number of the product contour knife lines (41) are the same, and are all 1-4.
5. The die cutting tool assembly for manufacturing perforated double sided adhesive tape products as claimed in claim 1, wherein the number of the transverse knife lines (21) in the transverse knife line group, the number of the through hole knife lines (31) in the through hole knife line group and the number of the product contour knife lines (41) in the product contour knife line group are all 4.
6. The die cutting tool assembly for manufacturing a perforated double sided adhesive tape product according to claim 1, wherein the first auxiliary blade line (212) and the second auxiliary blade line (213) are located at a non-product area, and the profile punched by the third die cutting tool (4) at the adhesive area is located on the surface of the double sided adhesive tape processed by the first die cutting tool (2).
7. The die cutting tool assembly for manufacturing perforated double sided tape products as claimed in claim 1, wherein one of the plurality of rows of the lateral blade lines (21) at the end is composed of an inner contour blade line and a first auxiliary blade line (212).
8. The die cutting tool assembly for producing perforated double sided adhesive tape products as claimed in claim 1, wherein said set of positioning hole blades (22) includes two positioning hole blades disposed on both sides of the set of transverse blades; the location hole knife line is a knife line with a C-shaped hole structure.
9. A die-cutting tool assembly for producing perforated double-sided adhesive tape products according to claim 1, wherein two first dowel pin sets (23) are provided on said first die-cutting tool (2) along the feeding direction of said web, and said first dowel pin sets (23) comprise two dowel pins respectively provided on both sides of a transverse cutter line set.
10. The die-cutting tool assembly for producing a double sided adhesive tape product with holes of claim 1, wherein the second die-cutting tool (3) and the third die-cutting tool (4) are provided with a set of positioning pins.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020954684.XU CN212948208U (en) | 2020-05-30 | 2020-05-30 | Die cutting tool assembly for processing double faced adhesive tape product with holes |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020954684.XU CN212948208U (en) | 2020-05-30 | 2020-05-30 | Die cutting tool assembly for processing double faced adhesive tape product with holes |
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| CN212948208U true CN212948208U (en) | 2021-04-13 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113733240A (en) * | 2020-05-30 | 2021-12-03 | 昊佰电子科技（上海）有限公司 | Die cutting tool assembly for processing double faced adhesive tape product with holes |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113733240A (en) * | 2020-05-30 | 2021-12-03 | 昊佰电子科技（上海）有限公司 | Die cutting tool assembly for processing double faced adhesive tape product with holes |
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