CN112606100A - Device for paper sheet die cutting and creasing - Google Patents
Device for paper sheet die cutting and creasing Download PDFInfo
- Publication number
- CN112606100A CN112606100A CN202011606141.XA CN202011606141A CN112606100A CN 112606100 A CN112606100 A CN 112606100A CN 202011606141 A CN202011606141 A CN 202011606141A CN 112606100 A CN112606100 A CN 112606100A
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- Prior art keywords
- rack
- gear
- assembly
- rod
- bidirectional screw
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- 230000002457 bidirectional effect Effects 0.000 claims abstract description 28
- 230000008859 change Effects 0.000 claims abstract description 24
- 238000007373 indentation Methods 0.000 claims abstract description 21
- 230000000903 blocking effect Effects 0.000 claims abstract description 20
- 230000005540 biological transmission Effects 0.000 claims abstract description 8
- 230000001360 synchronised effect Effects 0.000 claims description 14
- 241000220317 Rosa Species 0.000 abstract 1
- 238000006073 displacement reaction Methods 0.000 abstract 1
- 230000007246 mechanism Effects 0.000 description 10
- 230000000694 effects Effects 0.000 description 5
- 230000000087 stabilizing effect Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000001174 ascending effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
- B26F1/38—Cutting-out; Stamping-out
- B26F1/44—Cutters therefor; Dies therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D5/00—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D5/08—Means for actuating the cutting member to effect the cut
- B26D5/12—Fluid-pressure means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31F1/00—Mechanical deformation without removing material, e.g. in combination with laminating
- B31F1/08—Creasing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H5/00—Feeding articles separated from piles; Feeding articles to machines
- B65H5/06—Feeding articles separated from piles; Feeding articles to machines by rollers or balls, e.g. between rollers
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
The invention provides a device for paper die cutting and indentation, which comprises a rack, a cylinder, an upper template, a lower template, a rack, a gear, a jacking assembly material blocking assembly and a roller conveyor, wherein the upper template and the lower template are oppositely arranged, the rack is arranged on the side surface of the upper template, the gear is rotatably arranged on the rack, the gear is meshed with the rack, the jacking assembly comprises a support frame, a sliding block, a connecting rod, a guide rod, a moving block, a bidirectional screw rod and an ejector rod, the bidirectional screw rod is in transmission connection with the gear through a speed change assembly, and the material blocking assembly is arranged at the feeding end of the lower template. Move down through the cope match-plate pattern and drive the rack displacement, and then drive gear rotates, through the speed change subassembly this moment with power transmission to jacking subassembly in, and then jacking subassembly drives the cope match-plate pattern and shifts up, realizes cross cutting and indentation, and when the paper in the face of different thickness, through the transmission velocity ratio of adjustment speed change subassembly, reach the height that adjustment jacking subassembly rose, and then avoid when the paper in the face of different thickness the indentation excessive and cause the paper to cut off.
Description
Technical Field
The invention relates to the technical field of die cutting and indentation, in particular to a device for die cutting and indentation of paper.
Background
Publication number CN207290310U provides a die-cutting machine device, which comprises an outer frame, a die-cutting table, a moving mechanism, a stabilizing mechanism, a first horizontal plate and a die-cutting head; one end of the stabilizing mechanism is connected to the top of the inner wall of the outer frame, the other end of the stabilizing mechanism is connected with the first surface of the first horizontal plate, and the die-cutting head is arranged on the second surface, far away from the stabilizing mechanism, of the first horizontal plate; the die cutting table is arranged at the bottom of the inner wall of the outer frame and corresponds to the die cutting head; the first side wall of the outer frame is provided with a vertical sliding groove, the first end of the first horizontal plate is provided with a sliding block head in sliding fit with the vertical sliding groove, the second end of the first horizontal plate is connected with the moving mechanism, and the moving mechanism is used for driving the first horizontal plate to move in a reciprocating mode in the vertical direction along the vertical sliding groove.
According to the prior art, the die cutting table is driven to descend through the driving assembly to achieve die cutting and indentation, so that the die cutting and indentation effects are poor under the same extrusion force, and the descending height of the die cutting table needs to be adjusted when the die cutting table faces paper of different sizes, so that the die cutting and indentation machine is inconvenient to process.
Disclosure of Invention
The object of the present invention is to provide an apparatus for paper sheet die cutting and creasing that solves the problems set out in the background art mentioned above.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides an equipment for paper cross cutting and indentation, includes frame, cylinder, cope match-plate pattern, lower bolster, rack, gear, jacking subassembly, keeps off material subassembly and roller conveyor, the cope match-plate pattern passes through the cylinder to be installed in the frame, and the lower bolster is through the bracing piece movable mounting of its bottom in the frame to correspond with the cope match-plate pattern, roller conveyor sets up the side of cope match-plate pattern, its characterized in that:
the rack is arranged on the side surface of the upper template, the gear is rotatably installed on the rack, the gear is meshed with the rack, the jacking assembly comprises a support frame, a slide block, connecting rods, a guide rod, a moving block, a bidirectional lead screw and a top rod, the support frame is arranged on the rack, the slide block is matched in a vertical guide rail on the support frame, the end part of the slide block is connected with the lower template, the four connecting rods form a trapezoidal connecting rod assembly, the trapezoidal connecting rod is used for pushing the slide block to move along the vertical guide rail on the support frame, the guide rod is arranged on the support frame, the two moving blocks are respectively sleeved on the guide rod, the bidirectional lead screw is rotatably installed on the support frame, the bidirectional lead screw and the moving block form thread transmission, the top rod is arranged on the side surface of the moving block, the end, the material blocking assembly is arranged at the feeding end of the lower template.
Preferably, the speed change assembly comprises speed change wheels and a synchronous belt, the two speed change wheels are respectively fixedly sleeved on the bidirectional screw rod and the gear, and the synchronous belt is sleeved on the two speed change wheels.
Preferably, the speed change wheels are formed by mutually butting synchronous pulleys with gradually increasing sizes, and the mounting directions of the two speed change wheels arranged on the bidirectional screw rod and the gear are opposite.
Preferably, two of the four connecting rods are hinged to the supporting frame, the other two connecting rods are hinged to the sliding block, the two connecting rods hinged to the supporting frame are in butt joint with the two connecting rods hinged to the sliding block, and therefore the trapezoidal connecting rod assembly is formed.
Preferably, the top rods on the side surfaces of the two moving blocks are respectively contacted with the bottoms of the two connecting rods hinged on the supporting frame.
Preferably, the two ends of the bidirectional screw rod are opposite in thread turning direction, and the two ends of the bidirectional screw rod respectively penetrate through the two moving blocks and form threaded connection with the two moving blocks.
Preferably, the material blocking assembly comprises a material blocking plate and a friction wheel, the material blocking plate is hinged to the feeding end of the lower die plate, a rotating shaft is arranged at the rotating and overturning position of the material blocking plate, the friction wheel is fixedly sleeved at the end of the rotating shaft, and the friction wheel is in friction contact with the back face of the rack.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the rack is driven to move by the downward movement of the upper template, and then the driving gear rotates, at the moment, the power is transmitted into the jacking assembly through the speed change assembly, so that the jacking assembly drives the upper template to move upwards, so that die cutting and indentation are realized, when facing paper with different thicknesses, the transmission speed ratio of the speed change assembly is adjusted, so that the ascending height of the jacking assembly is adjusted, and further, the paper cutting caused by excessive indentation when facing paper with different thicknesses is avoided, the pressure on the paper is increased by the synchronous action of the upper template and the lower template, the die cutting and indentation effects are ensured, and the processing efficiency is effectively increased.
Drawings
FIG. 1 is a front three-dimensional schematic view of the overall structure of the present invention;
FIG. 2 is a cross-sectional view of the overall structure of the present invention viewed from above;
FIG. 3 is a schematic view of portion A of FIG. 1;
FIG. 4 is a three-dimensional schematic view of a jacking assembly of the present invention;
FIG. 5 is a side view of a jacking assembly of the present invention;
fig. 6 is a schematic diagram of the structure of the components of the device during die cutting and indentation.
In the figure: the device comprises a frame 1, a cylinder 2, an upper template 3, a lower template 4, a rack 5, a gear 6, a jacking assembly 7, a material blocking assembly 8, a roller conveyor 9, a change wheel 61, a synchronous belt 62, a supporting frame 71, a sliding block 72, a connecting rod 73, a guide rod 74, a moving block 75, a bidirectional screw rod 76, an ejector rod 77, a material blocking plate 81 and a friction wheel 82.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example (b):
referring to fig. 1 to 5, the present invention provides a technical solution:
the utility model provides an equipment for paper cross cutting and indentation, includes frame 1, cylinder 2, cope match-plate pattern 3, lower bolster 4, rack 5, gear 6, jacking subassembly 7, keeps off material subassembly 8 and roller conveyor 9, wherein:
the upper template 3 is installed on the rack 1 through the cylinder 2, specifically, the cylinder 2 is installed on the rack 1 through a bolt, the upper template 3 is arranged at the power output end of the cylinder 2, the lower template 4 is movably installed on the rack 1 through a support rod at the bottom of the lower template and corresponds to the upper template 3, and then when the upper template 3 and the lower template 4 are contacted with each other, the paper can be subjected to die cutting and indentation treatment;
the rack 5 is installed on the side surface of the upper template 3 through a bolt, the gear 6 is rotatably installed on the rack 1, the gear 6 is meshed with the rack 5, and further the rack 5 can be driven to move when the upper template 3 moves, and further the gear 6 is driven to rotate, the jacking assembly 7 comprises a support frame 71, a slide block 72, connecting rods 73, a guide rod 74, a moving block 75, a bidirectional screw rod 76 and an ejector rod 77, the support frame 71 is arranged on the rack 1, the slide block 72 is matched in a vertical guide rail on the support frame 71, the end part of the slide block 72 is connected with the lower template 4, and further the slide block 72 can drive the lower template 4 to move synchronously with the slide block when moving, two of the four connecting rods 73 are hinged on the support frame 71, the other two connecting rods 73 hinged on the support frame 71 are mutually butted with the two connecting rods 73 hinged on the slide block 72, the trapezoidal connecting rod is used for pushing the sliding block 72 to move along a vertical guide rail on the supporting frame 71, the guide rod 74 is arranged on the supporting frame 71, the two moving blocks 75 are respectively sleeved on the guide rod 74, and then the moving blocks 75 can move along the guide rod 74, the bidirectional screw rod 76 is rotatably arranged on the supporting frame 71, the screw thread rotating directions of the two ends of the bidirectional screw rod 76 are opposite, the two ends of the bidirectional screw rod 76 respectively penetrate through the two moving blocks 75 and form screw thread connection with the two moving blocks 75, and then the two moving blocks 75 can be driven to move towards the directions close to or away from each other when the bidirectional screw rod 76 rotates, the top rods 77 of the side surfaces of the moving blocks 75 are respectively contacted with the bottoms of the two connecting rods 73 hinged on the supporting frame 71, and then the top rods 77 of the side surfaces of the two moving blocks 75 can jack up the connecting rods 73 released, finally, the trapezoidal connecting rod assembly drives the sliding block 72 to move upwards or downwards, the speed change assembly is composed of a speed change wheel 61 and a synchronous belt 62, the two speed change wheels 61 are respectively fixedly sleeved on the bidirectional screw 76 and the gear 6, the synchronous belt 62 is sleeved on the two speed change wheels 61, the speed change wheels 61 are formed by mutually butting synchronous belt wheels with gradually increased sizes, the transmission ratio can be changed by changing the positions of the synchronous belt 62 sleeved on the synchronous belt wheels with different sizes, and the installation directions of the two speed change wheels 61 arranged on the bidirectional screw 76 and the gear 6 are opposite;
the material blocking assembly 8 is arranged at the feeding end of the lower die plate 4, the material blocking assembly 8 comprises a material blocking plate 81 and a friction wheel 82, the material blocking plate 81 is hinged to the feeding end of the lower die plate 4, a rotating turnover part of the material blocking plate 81 is provided with a rotating shaft, the end part of the rotating shaft is fixedly sleeved with the friction wheel 82, the friction wheel 82 is in friction contact with the back surface of the rack 5, therefore, the friction wheel 82 can be driven to rotate when the rack 5 descends, and then the material blocking plate 81 is driven to upwards overturn, the effect of limiting the continuous forward feeding of a follow-up feeding mechanism is achieved, the roller conveyor 9 is arranged on the side surface of the upper die plate 3, and further the roller conveyor 9 conveys the workpiece with die cutting and.
The working principle of the invention is as follows: the paper to be processed enters the space between the upper template 3 and the lower template 4 through the feeding mechanism, the cylinder 2 moves to drive the upper template 3 to descend at the moment, the die cutting and indentation procedures are carried out at the moment, the upper template 3 can drive the rack 5 to descend synchronously when descending, the descending rack 5 can drive the friction wheel 82 to rotate, the baffle plate 81 overturns upwards at the moment, the situation that the feeding mechanism continues to feed the paper between the upper template 3 and the lower template 4 is avoided, the rack 5 can drive the gear 6 to rotate in the descending process, the power is transmitted to the bidirectional screw rod 76 through the speed change assembly, the bidirectional screw rod 76 rotates, the two moving blocks 75 move towards the mutually approaching direction and synchronously move with the ejector rod 77 connected with the two moving blocks, the ejector rod 77 pushes the connecting rod 73 hinged on the support frame 71 to ascend, the slider 72 is pushed, and the slider 72 drives the lower template 4 to, then the descending upper template 3 and the ascending lower template 4 carry out die cutting and indentation on the workpiece, the upper template 3 and the lower template 4 synchronously act to increase the pressure on paper, the die cutting and indentation effects are ensured, the processing efficiency is effectively increased, the states of all the components in the device for carrying out die cutting and indentation are shown in the attached drawing 6, after the processing is finished, the upper template 3 moves upwards, the lower template 4 descends, then the material baffle plate 81 is turned to be in a horizontal state, the subsequent paper is conveyed forwards, and the processed paper is pushed onto the roller conveyor 9 to be conveyed;
when the paper with different thicknesses is faced, the depths of die cutting and indentation are changed, the control program and the air inlet and outlet amount are required to be changed when the advancing path of the air cylinder 2 is directly changed, and further the operation is inconvenient, at the moment, the effect of changing the speed ratio is achieved by changing the synchronous belt 62 to be sleeved at the positions of the two variable speed wheels 61 with different sizes, the rotating angle of the gear 6 is changed after being transmitted to the bidirectional screw rod 76, at the moment, the sliding block 72 pushes the lower template 4 to ascend, the distance is correspondingly changed, even if the advancing distance of the air cylinder 2 is fixed, the lower template 4 can jack the paper to be contacted with the upper template, and further the die cutting;
because rack 5 transmits power to jacking subassembly 7, and then 4 rising speeds of cope match-plate pattern 3 falling speed lower bolster, consequently the falling speed of rack 5 is greater than 4 rising speeds of lower bolster, consequently keeps off the interior friction pulley 82 of material subassembly 8 and upwards overturns in the drive of rack 5, and then avoids the condition that friction pulley 82 that cope match-plate pattern 3 and lower bolster 4 simultaneous movement lead to does not change.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides an equipment for paper cross cutting and indentation, includes frame (1), cylinder (2), cope match-plate pattern (3), lower bolster (4), rack (5), gear (6), jacking subassembly (7), keeps off material subassembly (8) and roller conveyor (9), install in frame (1) through cylinder (2) cope match-plate pattern (3), and lower bolster (4) are through the bracing piece movable mounting of its bottom in frame (1) to correspond with cope match-plate pattern (3), roller conveyor (9) set up the side of cope match-plate pattern (3), its characterized in that:
the rack (5) is arranged on the side surface of the upper template (3), the gear (6) is rotatably installed on the rack (1), the gear (6) is meshed with the rack (5), the jacking assembly (7) comprises a support frame (71), a sliding block (72), a connecting rod (73), a guide rod (74), a movable block (75), a bidirectional screw rod (76) and an ejector rod (77), the support frame (71) is arranged on the rack (1), the sliding block (72) is matched in a vertical guide rail on the support frame (71), the end part of the sliding block (72) is connected with the lower template (4), the four connecting rods (73) form a trapezoidal connecting rod assembly, the trapezoidal connecting rod is used for pushing the sliding block (72) to move along the vertical guide rail on the support frame (71), the guide rod (74) is arranged on the support frame (71), the two movable blocks (75) are respectively sleeved on the guide rod (74), the bidirectional screw rod (76) is rotatably installed on the supporting frame (71), the bidirectional screw rod (76) and the moving block (75) form thread transmission, an ejector rod (77) is arranged on the side face of the moving block (75), the end portion of the ejector rod (77) is used for jacking the trapezoidal connecting rod assembly, the bidirectional screw rod (76) is in transmission connection with the gear (6) through the speed changing assembly, and the material blocking assembly (8) is arranged at the feeding end of the lower template (4).
2. An apparatus for paper die cutting and creasing according to claim 1, characterised in that: the speed change assembly is composed of speed change wheels (61) and a synchronous belt (62), the two speed change wheels (61) are fixedly sleeved on the bidirectional screw rod (76) and the gear (6) respectively, and the synchronous belt (62) is sleeved on the two speed change wheels (61).
3. An apparatus for paper die cutting and creasing according to claim 2, characterised in that: the variable-speed wheels (61) are formed by mutually butting synchronous pulleys with gradually increasing sizes, and the mounting directions of the two variable-speed wheels (61) arranged on the bidirectional screw rod (76) and the gear (6) are opposite.
4. An apparatus for paper die cutting and creasing according to claim 1, characterised in that: two of the four connecting rods (73) are hinged on the supporting frame (71), the other two connecting rods are hinged on the sliding block (72), and the two connecting rods (73) hinged on the supporting frame (71) are mutually butted with the two connecting rods (73) hinged on the sliding block (72) to form a trapezoidal connecting rod assembly.
5. An apparatus for paper die cutting and creasing according to claim 4, characterised in that: and ejector rods (77) on the side surfaces of the two moving blocks (75) are respectively contacted with the bottoms of two connecting rods (73) hinged on the supporting frame (71).
6. An apparatus for paper die cutting and creasing according to claim 1, characterised in that: the thread directions of the two ends of the bidirectional screw rod (76) are opposite, and the two ends of the bidirectional screw rod (76) respectively penetrate through the two moving blocks (75) and form threaded connection with the two moving blocks.
7. An apparatus for paper die cutting and creasing according to claim 1, characterised in that: the material blocking assembly (8) comprises a material blocking plate (81) and a friction wheel (82), the material blocking plate (81) is hinged to the feeding end of the lower die plate (4), a rotating shaft is arranged at the rotating and overturning position of the material blocking plate (81), the friction wheel (82) is fixedly sleeved at the end of the rotating shaft, and the friction wheel (82) is in friction contact with the back face of the rack (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011606141.XA CN112606100A (en) | 2020-12-30 | 2020-12-30 | Device for paper sheet die cutting and creasing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011606141.XA CN112606100A (en) | 2020-12-30 | 2020-12-30 | Device for paper sheet die cutting and creasing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112606100A true CN112606100A (en) | 2021-04-06 |
Family
ID=75249192
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011606141.XA Withdrawn CN112606100A (en) | 2020-12-30 | 2020-12-30 | Device for paper sheet die cutting and creasing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112606100A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114714438A (en) * | 2022-05-14 | 2022-07-08 | 东莞六淳智能科技股份有限公司 | Die cutting mechanism with adjustable height limit |
| CN116619838A (en) * | 2023-06-21 | 2023-08-22 | 杭州钱塘彩印包装有限公司 | Paperboard indentation device for color printing packaging production and indentation process thereof |
| CN116852456A (en) * | 2023-09-04 | 2023-10-10 | 山东利华同辉光电科技有限公司 | Die cutting machine |
| CN117260885A (en) * | 2023-10-27 | 2023-12-22 | 上海古林国际印务有限公司 | Semi-waste-removing die cutting equipment |
-
2020
- 2020-12-30 CN CN202011606141.XA patent/CN112606100A/en not_active Withdrawn
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114714438A (en) * | 2022-05-14 | 2022-07-08 | 东莞六淳智能科技股份有限公司 | Die cutting mechanism with adjustable height limit |
| CN114714438B (en) * | 2022-05-14 | 2023-09-05 | 东莞六淳智能科技股份有限公司 | Die cutting mechanism capable of adjusting height |
| CN116619838A (en) * | 2023-06-21 | 2023-08-22 | 杭州钱塘彩印包装有限公司 | Paperboard indentation device for color printing packaging production and indentation process thereof |
| CN116619838B (en) * | 2023-06-21 | 2023-10-27 | 杭州钱塘彩印包装有限公司 | Paperboard indentation device for color printing packaging production and indentation process thereof |
| CN116852456A (en) * | 2023-09-04 | 2023-10-10 | 山东利华同辉光电科技有限公司 | Die cutting machine |
| CN116852456B (en) * | 2023-09-04 | 2023-11-07 | 山东利华同辉光电科技有限公司 | Die cutting machine |
| CN117260885A (en) * | 2023-10-27 | 2023-12-22 | 上海古林国际印务有限公司 | Semi-waste-removing die cutting equipment |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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Application publication date: 20210406 |