CN116750265B - Chip film sticking machine convenient for tool changing and film cutting method thereof - Google Patents
Chip film sticking machine convenient for tool changing and film cutting method thereof Download PDFInfo
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- CN116750265B CN116750265B CN202311042208.5A CN202311042208A CN116750265B CN 116750265 B CN116750265 B CN 116750265B CN 202311042208 A CN202311042208 A CN 202311042208A CN 116750265 B CN116750265 B CN 116750265B
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- cutting
- protective film
- chip
- flattening
- side wall
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- 238000000034 method Methods 0.000 title claims abstract description 16
- 230000001681 protective effect Effects 0.000 claims abstract description 167
- 238000003825 pressing Methods 0.000 claims description 75
- 238000005498 polishing Methods 0.000 claims description 67
- 230000009471 action Effects 0.000 claims description 8
- 230000008569 process Effects 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims 1
- 238000004891 communication Methods 0.000 description 4
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B33/00—Packaging articles by applying removable, e.g. strippable, coatings
- B65B33/02—Packaging small articles, e.g. spare parts for machines or engines
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B3/00—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools
- B24B3/36—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of cutting blades
- B24B3/368—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of cutting blades installed as an accessory on another machine
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B61/00—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages
- B65B61/005—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for removing material by cutting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H35/00—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers
- B65H35/04—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers from or with transverse cutters or perforators
- B65H35/06—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers from or with transverse cutters or perforators from or with blade, e.g. shear-blade, cutters or perforators
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Liquid Crystal (AREA)
Abstract
The application relates to the technical field of chips, in particular to a chip film sticking machine convenient for tool changing and a film cutting method thereof. The application provides a chip film sticking machine convenient for tool changing, wherein one end of a cover plate is hinged on a workbench; the circle cutting assembly is rotatably arranged on the cover plate; the protective film roll is suitable for being sleeved on the outer wall of the unreeling roller; the flattening component is slidably arranged on the workbench, and the movable end of the flattening component is suitable for flattening the protective film on the chip; the cutting assembly is slidably arranged on the side wall of the flattening assembly, and the movable end of the cutting assembly is suitable for cutting the protective film in a plurality of sections; after the protective film moves horizontally from the unreeling roller to the chip, the flattening component moves horizontally to flatten the protective film on the chip; the cutting assembly slides horizontally to cut off the protective film; the movable end of the cutting assembly is suitable for cutting the protective film into a plurality of sections, so that the end part of the protective film to be adhered can be attached to the side wall of the workbench, and the stability of the protective film after cutting is improved by the cutting assembly.
Description
Technical Field
The application relates to the technical field of chips, in particular to a chip film sticking machine convenient for tool changing and a film cutting method thereof.
Background
The chip film is characterized in that a layer of protective film is attached to the surface of the chip before the chip is stored or transported, so that the surface is prevented from being damaged by friction in the moving or transporting process of the chip.
Most existing film sticking machines manually pull the protective film to enable the protective film to be attached to the surface of a chip, and slide a cutter to cut off the protective film; however, after the cutter in the prior art cuts off the protective film, the protective film moves towards the film unwinding direction under the action of elasticity, or when air flow exists in a workshop where the film sticking machine is located, the air flow is suitable for blowing the protective film to fly, so that the film sticking machine is influenced for film sticking of the next chip;
disclosure of Invention
The application aims to provide a chip film sticking machine convenient for tool changing and a film cutting method thereof.
In order to solve the technical problems, the application provides a chip film sticking machine convenient for tool changing, which comprises:
the device comprises a workbench, a cover plate, an unreeling roller, a flattening assembly, a cutting assembly and a round cutting assembly, wherein the workbench is horizontally arranged, and one end of the cover plate is hinged to the workbench; the circle cutting assembly is rotatably arranged on the cover plate;
the unreeling roller is rotatably arranged on one side of the workbench, and the protective film roll is suitable for being sleeved on the outer wall of the unreeling roller;
the flattening component is slidably arranged on the workbench, and the movable end of the flattening component is suitable for flattening the protective film on the chip;
the cutting assembly is slidably arranged on the side wall of the flattening assembly, and the movable end of the cutting assembly is suitable for cutting the protective film in multiple sections; wherein,,
after the protective film moves horizontally from the unreeling roller to the chip, the flattening component moves horizontally to flatten the protective film on the chip;
the cutting assembly slides horizontally to cut off the protective film;
the movable end of the cutting assembly is suitable for cutting the protective film into a plurality of sections, so that the end part of the protective film to be adhered can be adhered to the side wall of the workbench.
Preferably, the workbench is provided with a limit groove, and the limit groove is mutually perpendicular to the moving direction of the protective film;
the limiting groove is matched with the movable end of the cutting assembly, and when the movable end of the cutting assembly moves downwards, the side wall of the movable end of the cutting assembly is suitable for being abutted with the side wall of the limiting groove.
Preferably, the limit groove penetrates through the workbench, and the grooving width of the limit groove gradually decreases from top to bottom.
Preferably, the cutting assembly comprises: the positioning block is slidably arranged on the side wall of the flattening assembly and can horizontally slide along the length direction of the limiting groove;
the positioning block is provided with a vertical hole matched with the pressing column, and the pressing column is arranged in the vertical hole in a lifting manner;
the positioning block is internally provided with an accommodating groove, the two polishing pieces are symmetrically arranged in the accommodating groove, the polishing pieces are linked with the cutting pieces, and the polishing pieces are suitable for polishing the side walls of the cutting pieces;
the cutting piece is detachably arranged at the lower end of the pressing column, and is matched with the limiting groove; wherein,,
the pressing column is suitable for driving the cutting piece to move downwards so as to cut off the protective film;
after the lower end of the pressing column is abutted against the workbench, the bottom of the cutting piece is suitable for penetrating through the protective film;
when the cutting piece moves horizontally, the side wall of the cutting piece is abutted with the side wall of the limiting groove, the side wall of the cutting piece and the bottom wall of the cutting piece are suitable for cutting the protective film into a plurality of sections, and the end part of the protective film to be adhered can be bent and attached to the side wall of the limiting groove.
Preferably, the cutting member includes: the lower cone and the upper cone are oppositely arranged, and a cutting edge is fixed at the lower end of the lower cone;
an annular cutting edge is arranged at the intersection of the upper cone and the lower cone, and the annular cutting edge is suitable for being abutted against the side wall of the limit groove;
the fixing ring is fixed on the upper cone, the interior of the upper cone is hollow, and the fixing ring is suitable for being inserted and fixed at the bottom of the pressing column.
Preferably, the polishing piece is horizontally arranged, and a positioning sliding block is fixed at one end of the polishing piece, which is far away from the cutting piece;
two vertical inclined slots are formed in the accommodating groove, and one vertical inclined slot corresponds to one positioning sliding block; wherein,,
the cutting piece moves downwards and is suitable for driving the two polishing pieces to synchronously move downwards;
in the process of downward movement of the polishing pieces, the vertical chute is suitable for guiding the two polishing pieces to move away from each other in the horizontal direction.
Preferably, a polishing groove matched with the annular cutting edge is formed in one end, close to the cutting piece, of the polishing piece; wherein,,
and after the cutting piece moves upwards to the annular cutting edge to be abutted with the polishing groove, the pressing column is rotated circumferentially, so that the polishing piece can polish the annular cutting edge.
Preferably, a fixing groove matched with the fixing ring is formed in the lower end of the pressing column, and two positioning grooves are symmetrically formed in the inner wall of the fixing groove;
two convex blocks matched with the positioning grooves are symmetrically arranged on the outer wall of the fixed ring, and the convex blocks are suitable for being inserted into the positioning grooves; wherein,,
after the annular cutting edge is abutted with the polishing groove, the pressing column continues to move upwards, and the upper cone is suitable for driving the two polishing pieces to slide upwards synchronously;
the two polishing pieces move oppositely to squeeze the upper cone and drive the fixing ring to deform, so that the protruding blocks are separated from the positioning grooves.
Preferably, the flattening assembly includes: the device comprises two vertical plates, a horizontal plate, a pushing cylinder, a flattening roller and a cutting positioning plate, wherein the two vertical plates are symmetrically arranged on two sides of the workbench, the horizontal plate is vertically fixed at the upper ends of the two vertical plates, and the vertical plates are suitable for sliding horizontally along the workbench;
the cutting locating plate is horizontally fixed on the side wall of the side, close to the limiting groove, of the vertical plate, and the locating block is slidably arranged on the side wall of the cutting locating plate;
the pushing cylinder is fixed at the upper end of the horizontal plate, the flattening roller is arranged at the lower end of the horizontal plate, the flattening roller is rotatably arranged at the movable end of the pushing cylinder, and the flattening roller is parallel to the workbench; wherein,,
after the pushing cylinder drives the flattening roller to be abutted against the protective film, the horizontal plate is pushed to move horizontally, and the flattening roller can flatten the protective film at the upper end of the chip while rotating circumferentially.
Preferably, the circle cutting assembly includes: the handle rod, the rotating shaft, the positioning column, the two film pressing pieces and the circular cutting knife, wherein the rotating shaft penetrates through the cover plate, one end of the handle rod is fixed on the outer wall of the rotating shaft, and the handle rod is arranged above the cover plate;
the positioning column is fixed at the lower end of the rotating shaft, and the two film pressing pieces are respectively fixed at two ends of the positioning column;
the circular cutting knife is fixed on the side wall of the film pressing piece, and the cutting edge of the circular cutting knife protrudes out of the inner wall of the film pressing piece; wherein,,
after the cover plate is pressed on the chip, the handle rod drives the rotating shaft to circumferentially rotate, so that the circular cutting knife can circumferentially cut the protective film into a circle along the chip.
Preferably, the upper end of the pressing column is T-shaped, a reset spring is sleeved on the outer wall of the pressing column, and the lower end of the reset spring is abutted to the positioning block.
On the other hand, the application also provides a film cutting method of the chip film sticking machine, which is convenient for changing the cutter, and after the chip is horizontally placed at a film sticking station on a workbench, the protective film is pulled to cover the chip;
the flattening assembly horizontally moves, the pushing cylinder drives the flattening roller to be abutted with the protective film and then pushes the horizontal plate to horizontally move, the horizontal plate drives the flattening roller to horizontally move along the upper end of the protective film, the flattening roller can horizontally move and circumferentially rotate, the flattening roller is suitable for flattening the protective film on the upper end of a chip, and after the protective film is flattened on the upper end of the chip, the flattening assembly reversely moves to reset;
after the flattening component moves to the initial station, the cutting piece is positioned right above the limiting groove;
pressing the pressing column to move downwards until the lower end of the pressing column is abutted with the protective film;
in the process that the lower end of the pressing column is abutted against the protective film, the cutting piece is inserted into the limiting groove, and the cutting piece extrudes the protective film to enable the protective film to bend and deform into the limiting groove;
the lower end of the cutting piece penetrates through the protective film, and the lower cone is suitable for extruding the protective film so as to enable the protective film to be abutted with the side wall of the limit groove;
the annular cutting edge is abutted with the side wall of the limit groove, the annular cutting edge is matched with the cutting knife and is suitable for cutting the protective film into a plurality of sections, and the lower cone is suitable for attaching the end part of the protective film of the section to be attached to the inner wall of the limit groove so as to prevent the protective film from loosening and shifting or being blown away by air flow under the action of tension;
pushing the positioning block to horizontally move along the side wall of the cutting positioning plate so that the cutting knife can cut off the protective film;
after cutting, the cutting piece moves upwards and is retracted into the positioning block until the annular cutting edge is abutted against the polishing piece, and the positioning block is rotated circumferentially, so that the polishing piece can polish the annular cutting edge;
after the protection film is cut off, the cover plate is pressed on the chip, the handle rod drives the rotating shaft to circumferentially rotate, so that the round cutting knife can circumferentially cut the protection film into a round shape along the chip.
The chip film sticking machine convenient for changing the cutter has the beneficial effects that after the protective film is flattened on the chip by the flattening component through the matching of the cutting component and the flattening component, the cutting component horizontally slides and is suitable for cutting off the protective film, and in the horizontal moving process of the cutting component, the protective film can be cut into a plurality of sections, and meanwhile, the end part of the protective film of the film section to be stuck can be stuck on the inner wall of the limiting groove so as to prevent the protective film from loosening and shifting or being blown away by air flow under the action of tension; moreover, the polishing piece can also play a role in assisting in disassembling the cutting piece when polishing the cutting piece, so that the working efficiency is improved.
Additional features and advantages of the application will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the application.
In order to make the above objects, features and advantages of the present application more comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present application, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a perspective view of a preferred embodiment of a die bonder with a tool change facilitating die attach according to the present application;
FIG. 2 is a perspective view of the cover plate and circle-cutting assembly of the present application;
FIG. 3 is a perspective view of the cutting assembly of the present application;
FIG. 4 is a cross-sectional perspective view of a die bonder with a convenient tool change in accordance with the present application;
FIG. 5 is an internal perspective view of the cutting assembly of the present application;
FIG. 6 is a partial cutaway perspective view of the cutting member of the present application;
FIG. 7 is a perspective view of a sanding element of the present application;
FIG. 8 is a schematic view showing a state that a cutting member is abutted against a protective film;
fig. 9 is a schematic view showing a state in which the cutting member of the present application cuts the protective film.
In the figure:
1. a work table; 10. a limit groove;
2. a cover plate; 3. an unreeling roller;
4. a flattening assembly; 41. a vertical plate; 42. a horizontal plate; 43. a pushing cylinder; 44. a flattening roller; 45. cutting the positioning plate;
5. a cutting assembly; 51. a positioning block; 52. pressing the column; 520. a fixing groove; 521. a positioning groove;
53. a cutting member; 531. an upper cone; 532. a lower cone; 533. a fixing ring; 534. a bump; 535. an annular cutting edge; 536. a cutting edge;
54. a polishing member; 540. grinding the groove;
55. a vertical hole; 56. a receiving groove; 560. a vertical chute;
6. a circle cutting assembly; 61. a handle bar; 62. a rotating shaft; 63. positioning columns; 64. film pressing pieces; 65. and (5) a round cutter.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the technical solutions of the present application will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
In a first embodiment, as shown in fig. 1 to 7, the present application provides a die bonder with a convenient tool changing, comprising: the automatic laminating machine comprises a workbench 1, a cover plate 2, an unreeling roller 3, a flattening component 4, a cutting component 5 and a circle cutting component 6, wherein the workbench 1 is horizontally arranged, the workbench 1 corresponds to a film laminating station and is of a double-layer structure, and protective film strips falling from a limiting groove 10 are suitable for being collected by a partition plate positioned on the lower layer. One end of the cover plate 2 is hinged to the workbench 1; after the protection film is horizontally attached to the chip by the flattening component 4, the cover plate 2 is suitable for turning over along the direction of the axial workbench 1 by taking the hinge point as the hinge point, so that the circle cutting component 6 can be matched with the chip, the circle cutting knife 65 can circumferentially rotate, and the protection film can be cut into a circle along the circumferential direction of the chip. The circle cutting assembly 6 is rotatably arranged on the cover plate 2; the unreeling roller 3 is rotatably arranged on one side of the workbench 1, and the protective film roll is suitable for being sleeved on the outer wall of the unreeling roller 3; a side plate is vertically fixed at one end of the workbench 1, which is close to the unreeling roller 3, and the unreeling roller 3 is rotatably arranged on the side wall of the side plate; the side plates play a role in supporting and limiting the unreeling roller 3. The flattening component 4 is slidably arranged on the workbench 1, and the movable end of the flattening component 4 is suitable for flattening the protective film on the chip; after the protective film horizontally moves to be attached to the upper end of the chip, the flattening component 4 is suitable for horizontally moving above the workbench 1, and the movable end of the flattening component 4 is suitable for flattening and attaching the protective film to the upper end of the chip. The cutting assembly 5 is slidably arranged on the side wall of the flattening assembly 4, and the movable end of the cutting assembly 5 is suitable for cutting the protective film in a plurality of sections; the protective film is manually pulled to be outwards unreeled and rotated from the outer wall of the unreeling roller 3, and after the protective film horizontally moves upwards on the chip, the protective film is covered above the chip, the flattening component 4 is pushed to horizontally move so as to flatten the protective film on the chip; at this time, the protective film is attached to the upper end of the chip; pushing the cutting assembly 5 to slide horizontally to cut off the protective film; the movable end of the cutting assembly 5 is suitable for cutting the protective film into a plurality of sections, so that the end part of the protective film to be adhered can be adhered to the side wall of the limiting groove 10 on the workbench 1, and the protective film to be adhered is prevented from loosening and shifting or being blown away by air flow under the action of tension by adhering the end part of the protective film to be adhered to the side wall of the limiting groove 10; the working efficiency is improved.
Preferably, the workbench 1 is provided with a limit groove 10, and the limit groove 10 is perpendicular to the moving direction of the protective film; the limiting groove 10 penetrates through the workbench 1, and the grooving width of the limiting groove 10 gradually decreases from top to bottom. After the cutting member 53 cuts the protective film into a plurality of segments, the cut strip-shaped protective film is suitable for falling down through the limit groove 10; the limiting groove 10 is matched with the movable end of the cutting assembly 5, and when the cutting piece 53 moves downwards, the side wall of the cutting piece 53 is abutted with the two side walls of the limiting groove 10; when the movable end of the cutting assembly 5 moves downwards, the side wall of the movable end of the cutting assembly 5 is suitable for being abutted with the side wall of the limiting groove 10. The cutting member 53 slides horizontally along the length direction of the limiting groove 10, the cutting member 53 can cut off the protective film, and the side wall of the cutting member 53 is suitable for pressing the fracture of the protective film to be attached to the side wall of the limiting groove 10.
In order to facilitate cutting of the protective film, the cutting assembly 5 includes: the positioning block 51 is slidably arranged on the side wall of the flattening assembly 4, and the positioning block 51 is slidably arranged on the side wall of the cutting positioning plate 45; the positioning block 51 can slide horizontally along the length direction of the limit groove 10; before driving the positioning block 51 to slide horizontally, the positioning block 51 is required to be positioned above the limiting groove 10, and the cutting piece 53 is positioned right above the limiting groove 10; the positioning block 51 is provided with a vertical hole 55 matched with the pressing column 52, and the pressing column 52 is arranged in the vertical hole 55 in a lifting manner; the upper end of the pressing column 52 is T-shaped, and a return spring is sleeved on the outer wall of the pressing column 52, and the lower end of the return spring is abutted to the positioning block 51. When the pressing column 52 is pressed, the pressing column 52 is suitable for driving the cutting piece 53 to move downwards, and the cutting piece 53 can protrude out of the positioning block 51 and be inserted into the limiting groove 10; and when the pushing force to the pressing post 52 is released, the return spring is adapted to drive the pressing post 52 to move upward so that the cutting member 53 can be retracted into the vertical hole 55.
In order to facilitate polishing of the side wall of the cutting member 53, a receiving groove 56 is further formed in the positioning block 51, the receiving groove 56 is communicated with the vertical hole 55, and the inner diameter of the receiving groove 56 is larger than the inner diameter of the vertical hole 55; the two polishing pieces 54 are symmetrically arranged in the accommodating groove 56, the polishing pieces 54 are linked with the cutting piece 53, and the polishing pieces 54 are suitable for polishing the side wall of the cutting piece 53; when the pressing column 52 is not pushed by external force, the cutting piece 53 is contracted in the vertical hole 55, at this time, the end parts of the two polishing pieces 54 are abutted against the outer wall of the cutting piece 53, the cutting piece 53 is detachably arranged at the lower end of the pressing column 52, and the cutting piece 53 is matched with the limit groove 10; wherein, when pushing the pressing post 52 to move downward, the pressing post 52 is adapted to drive the cutter 53 to move downward synchronously to cut off the protective film; after the lower end of the pressing column 52 is abutted against the workbench 1, the bottom of the cutting piece 53 is suitable for penetrating through the protective film; at this time, the cutting piece 53 is adapted to press the protective film to bend and deform into the limit groove 10; the locating piece 51 is pushed to enable the locating piece 51 to horizontally move along the side wall of the cutting locating plate 45, the locating piece 51 is suitable for driving the cutting piece 53 to horizontally move, the side wall of the cutting piece 53 is abutted against the side wall of the limiting groove 10, the side wall and the bottom wall of the cutting piece 53 are suitable for cutting the protective film into a plurality of sections, the end part of the protective film to be adhered can be bent and attached to the side wall of the limiting groove 10, after the cutting piece 53 horizontally moves to cut the protective film along the length direction of the limiting groove 10, the cut end part of the cut protective film is suitable for being attached to the side wall of the limiting groove 10, and the cutting piece 53 is matched with the limiting groove 10 to play a role in limiting the protective film. So as to prevent the protective film from loosening and shifting or being blown away by air flow under the action of tension; the protective film in the prior art is not limited, after the protective film is cut off, under the action of tension, the fracture of the protective film can be loosened and offset, namely the fracture of the protective film can not be parallel to the limiting groove 10, and when the protective film is attached to the next chip, the longer protective film needs to be pulled, so that the waste of the protective film is caused; when the protective films are blown away by air flow, the protective films adhere to each other, so that the film pasting speed of the next chip is affected, the folded protective films are smoothed out manually, and the working efficiency is reduced.
In the cutting piece 53 of the present application, before the cutting piece 53 is slid horizontally to cut the protective film, the side wall of the cutting piece 53 is adapted to push the protective film to be abutted against the limiting groove 10, so that the protective film can be limited by the side wall of the limiting groove 10; when the next chip is pasted with a film, the protective film is directly pulled to move towards the chip direction, the protective film does not need to be leveled again, the waste of the protective film is avoided, and meanwhile, the working efficiency is improved.
To facilitate the pressing of the protective film, the cutter 53 includes: the upper cone 531, the lower cone 532 and the fixed ring 533, the lower cone 532 and the upper cone 531 are oppositely arranged, and a cutting edge 536 is fixed at the lower end of the lower cone 532; the lower cone and the upper cone 531 are propped against each other in the horizontal plane, and the upper cone 531 is arranged above the lower cone 532; an annular cutting edge 535 is arranged at the intersection of the upper cone 531 and the lower cone 532, and the annular cutting edge 535 is suitable for abutting against the side wall of the limit groove 10; the fixing ring 533 is fixed on the upper cone 531, the upper cone 531 is hollow, and the fixing ring 533 is suitable for being inserted and fixed at the bottom of the pressing post 52. The polishing piece 54 is horizontally arranged, and a positioning sliding block is fixed at one end of the polishing piece 54 away from the cutting piece 53; two vertical inclined grooves 560 are formed in the accommodating groove 56, and one vertical inclined groove 560 corresponds to one positioning sliding block; a compression spring is fixed at the bottom of the vertical chute 560, and the upper end of the compression spring is fixed on the side wall of the positioning slide block, wherein the cutting member 53 moves downwards and is suitable for driving the two polishing members 54 to synchronously move downwards; the vertical chute 560 is adapted to guide the two grinding members 54 to move horizontally away from each other during the downward movement of the grinding members 54. When the cutting member 53 protrudes out of the positioning block 51, the side wall of the pressing post 52 abuts against the inner wall of the polishing member 54, and at this time, the compression spring is compressed; while as the cutting member 53 continues to move downward, the downward movement of the pressing post 52 does not press the two grinding members 54 to continue to move downward.
When the cutting member 53 is inserted into the limiting groove 10 to cut the protective film, the cutting edge of the cutting member 53 cuts the protective film into two sections; the annular cutting edge 535 of the application is propped against the two side walls of the limit groove 10, and the lower end of the lower cone 532 is fixed with a cutting edge 536, so that when the cutting member 53 is inserted into the limit groove 10, the protective film is cut into four sections, wherein two sections of slender protective film strips are suitable for falling down along the limit groove 10, and by measuring the number of slender protective film strips, whether the annular cutting edge 535 and the cutting edge 536 of the cutting member 53 become blunt or not can be known; when the annular cutting edge 535 becomes blunt, the polishing member 54 is suitable for polishing the annular cutting edge 535 when the polishing member 54 abuts against the annular cutting edge 535, and in order to improve polishing effect, the pressing post 52 may be pulled upwards by a small extent, so that the attaching effect of the annular cutting edge 535 and the side wall of the polishing groove 540 is more improved; the pressing column 52 is pulled upward greatly, and the two polishing members 54 are adapted to press the upper cone 531 to deform, so that the projection 534 is disengaged from the positioning groove 521.
One end of the polishing member 54, which is close to the cutting member 53, is provided with a polishing groove 540 adapted to the annular cutting edge 535; after the cutting member 53 moves up to the abutment of the annular cutting edge 535 with the grinding groove 540, the pressing post 52 is rotated circumferentially, so that the grinding member 54 can grind the annular cutting edge 535. When the pressing post 52 is pulled upwards, the cutting member 53 moves upwards synchronously, and at this time, the conical surface of the upper cone 531 is matched with the side wall of the polishing groove 540 of the polishing member 54, and the upper cone 531 is adapted to drive the two polishing members 54 to move upwards synchronously; the vertical chute 560 is arranged, so that the polishing members 54 can move in opposite directions to clamp the cutting member 53 while the polishing members 54 move upwards, and the two polishing members 54 are suitable for extruding the upper cone 531, so that the upper cone 531 drives the fixing ring 533 to deform, and the protruding block 534 can be separated from the positioning groove 521; by such an arrangement, the effect of rapidly detaching the cutter 53 from the pressing post 52 is achieved.
In order to facilitate the quick detachment of the cutting member 53, a fixing groove 520 is formed at the lower end of the pressing post 52 and adapted to the fixing ring 533, and the fixing ring 533 is adapted to be inserted into the fixing groove 520. Two positioning slots 521 are symmetrically formed on the inner wall of the fixing slot 520; two protruding blocks 534 matched with the positioning grooves 521 are symmetrically arranged on the outer wall of the fixed ring 533, the fixed ring 533 is pressed, so that the two protruding blocks 534 are relatively close, and the protruding blocks 534 are suitable for being inserted into the positioning grooves 521; after the annular cutting edge 535 abuts against the polishing groove 540, the pressing post 52 continues to move upwards, and the upper cone 531 is adapted to drive the two polishing members 54 to slide upwards synchronously; the polishing members 54 move toward each other to press the upper cone 531 and deform the fixing ring 533, so that the protrusion 534 is disengaged from the positioning groove 521.
To facilitate flattening the protective film, the flattening assembly 4 includes: two vertical plates 41, a horizontal plate 42, a pushing cylinder 43, a flattening roller 44 and a cutting positioning plate 45, wherein the two vertical plates 41 are symmetrically arranged at two sides of the workbench 1, and the vertical plates 41 are suitable for horizontal movement along the movement direction of the protective film; the horizontal plates 42 are vertically fixed at the upper ends of the two vertical plates 41, and the horizontal plates 42 are parallel to the workbench 1; the vertical plate 41 is adapted to slide horizontally along the table 1; the cutting positioning plate 45 is horizontally fixed on the side wall of the vertical plate 41, which is close to the limit groove 10, and the positioning block 51 is slidably arranged on the side wall of the cutting positioning plate 45; the pushing cylinder 43 is fixed at the upper end of the horizontal plate 42, the leveling roller 44 is arranged at the lower end of the horizontal plate 42, the leveling roller 44 is rotatably arranged at the movable end of the pushing cylinder 43, and the leveling roller 44 and the workbench 1 are parallel to each other; after the protective film is pulled to be located above the chip, the pushing cylinder 43 is adapted to drive the leveling roller 44 to move downwards, so that the leveling roller 44 is abutted against the protective film, the horizontal plate 42 is pushed to move horizontally, the horizontal plate 42 is adapted to drive the leveling roller 44 to move horizontally, the leveling roller 44 can rotate circumferentially while moving horizontally, and the leveling roller 44 moves horizontally along the upper end of the chip and rotates to flatten the protective film on the upper end of the chip. After the protective film is to be on the upper end of the chip, the horizontal plate 42 is reset and moved until the cutting member 53 is positioned right above the limit groove 10, and the positioning block 51 is pushed so that the cutting member 53 can cut off the protective film along the width direction of the protective film.
In order to remove the redundant protective film outside the chip, the circle cutting assembly 6 includes: the handle rod 61, the rotating shaft 62, the positioning column 63, the two film pressing pieces 64 and the circular cutter 65, wherein the rotating shaft 62 penetrates through the cover plate 2, one end of the handle rod 61 is fixed on the outer wall of the rotating shaft 62, and the handle rod 61 is arranged above the cover plate 2; when the handle rod 61 is driven to circumferentially rotate by taking the rotating shaft 62 as an axis, the rotating shaft 62 is suitable for driving the positioning column 63 to circumferentially rotate synchronously; the positioning column 63 is fixed at the lower end of the rotating shaft 62, and the two film pressing pieces 64 are respectively fixed at the two ends of the positioning column 63; the space between the inner side walls of the two film pressing pieces 64 is not smaller than the diameter of the chip; the circular cutter 65 is fixed on the side wall of the film pressing piece 64, and the cutting edge of the circular cutter 65 protrudes out of the inner wall of the film pressing piece 64; after the cover plate 2 is pressed onto the chip, the handle rod 61 drives the rotating shaft 62 to rotate circumferentially, so that the circular cutter 65 can cut the protective film into a circle along the circumferential direction of the chip.
An embodiment two, the present embodiment also provides a film cutting method of a die pad pasting machine with convenient tool changing on the basis of the embodiment one, which includes the die pad pasting machine with convenient tool changing as described in the embodiment one, and the specific structure is the same as the embodiment one, and the specific film cutting method of the die pad pasting machine with convenient tool changing is not described here again, and is as follows:
after the chip is horizontally placed at a film pasting station on the workbench 1, the protective film is pulled to cover the chip; the flattening assembly 4 moves horizontally, the pushing cylinder 43 drives the flattening roller 44 to abut against the protective film and then pushes the horizontal plate 42 to move horizontally, the horizontal plate 42 drives the flattening roller 44 to move horizontally along the upper end of the protective film, the flattening roller 44 can move horizontally and rotate circumferentially, the flattening roller 44 is suitable for flattening the protective film on the upper end of the chip, and after the protective film is flattened on the upper end of the chip, the flattening assembly 4 moves reversely to reset; after the flattening assembly 4 moves to the initial station, the cutting piece 53 is positioned right above the limiting groove 10; pressing the pressing column 52 to move downwards until the lower end of the pressing column 52 abuts against the protective film; in the process that the lower end of the pressing column 52 is abutted against the protective film, the cutting piece 53 is inserted into the limit groove 10, and the cutting piece 53 presses the protective film to bend and deform into the limit groove 10; the lower end of the cutting member 53 penetrates through the protective film, and the lower cone 532 is adapted to press the protective film, so that the protective film abuts against the side wall of the limit groove 10; the annular cutting edge 535 is abutted against the side wall of the limit groove 10, the annular cutting edge 535 is matched with a cutting knife to cut the protective film into a plurality of sections, and the lower cone 532 is suitable for attaching the end part of the protective film of the section to be attached to the inner wall of the limit groove 10 so as to prevent the protective film from loosening and shifting or being blown away by air flow under the action of tension; pushing the positioning block 51 to horizontally move along the side wall of the cutting and positioning plate 45 so that the cutting knife can cut off the protective film; after the cutting is completed, the cutting member 53 moves upwards and is retracted into the positioning block 51 until the annular cutting edge 535 abuts against the polishing member 54, and the positioning block 51 is rotated circumferentially, so that the polishing member 54 can polish the annular cutting edge 535; after the protective film is cut off, the cover plate 2 is pressed on the chip, and the handle rod 61 drives the rotating shaft 62 to rotate circumferentially, so that the circular cutter 65 can cut the protective film into a circle along the circumferential direction of the chip.
The components (components not illustrating the specific structure) selected in the present application are common standard components or components known to those skilled in the art, and the structures and principles thereof are known to those skilled in the art through technical manuals or through routine experimental methods. Moreover, the software program related to the application is the prior art, and the application does not relate to any improvement on the software program.
In the description of embodiments of the present application, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present application will be understood in specific cases by those of ordinary skill in the art.
In the description of the present application, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the several embodiments provided by the present application, it should be understood that the disclosed systems, devices, and methods may be implemented in other manners. The above-described apparatus embodiments are merely illustrative, for example, the division of the units is merely a logical function division, and there may be other manners of division in actual implementation, and for example, multiple units or components may be combined or integrated into another system, or some features may be omitted, or not performed. Alternatively, the coupling or direct coupling or communication connection shown or discussed with each other may be through some communication interface, device or unit indirect coupling or communication connection, which may be in electrical, mechanical or other form.
The units described as separate units may or may not be physically separate, and units shown as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
In addition, each functional unit in the embodiments of the present application may be integrated in one processing unit, or each unit may exist alone physically, or two or more units may be integrated in one unit.
With the above-described preferred embodiments according to the present application as an illustration, the above-described descriptions can be used by persons skilled in the relevant art to make various changes and modifications without departing from the scope of the technical idea of the present application. The technical scope of the present application is not limited to the description, but must be determined according to the scope of claims.
Claims (8)
1. Chip film sticking machine convenient to tool changing, its characterized in that includes:
the automatic rolling machine comprises a workbench (1), a cover plate (2), an unreeling roller (3), a flattening assembly (4), a cutting assembly (5) and a circle cutting assembly (6), wherein the workbench (1) is horizontally arranged, and one end of the cover plate (2) is hinged to the workbench (1); the circle cutting assembly (6) is rotatably arranged on the cover plate (2);
the unreeling roller (3) is rotatably arranged on one side of the workbench (1), and the protective film roll is suitable for being sleeved on the outer wall of the unreeling roller (3);
the flattening component (4) is slidably arranged on the workbench (1), and the movable end of the flattening component (4) is suitable for flattening the protective film on the chip;
the cutting assembly (5) is slidably arranged on the side wall of the flattening assembly (4), and the movable end of the cutting assembly (5) is suitable for cutting the protective film in multiple sections; wherein,,
after the protective film moves horizontally from the unreeling roller (3) to the chip, the flattening component (4) moves horizontally to flatten the protective film on the chip;
the cutting assembly (5) slides horizontally to cut off the protective film;
the movable end of the cutting component (5) is suitable for cutting the protective film into a plurality of sections, so that the end part of the protective film to be adhered can be adhered to the side wall of the workbench (1);
a limiting groove (10) is formed in the workbench (1), and the limiting groove (10) is perpendicular to the moving direction of the protective film;
the limiting groove (10) is matched with the movable end of the cutting assembly (5), and when the movable end of the cutting assembly (5) moves downwards, the side wall of the movable end of the cutting assembly (5) is suitable for being abutted with the side wall of the limiting groove (10);
the limiting groove (10) penetrates through the workbench (1), and the grooving width of the limiting groove (10) is gradually reduced from top to bottom;
the cutting assembly (5) comprises: the positioning block (51), the pressing column (52), the cutting piece (53) and the two polishing pieces (54), wherein the positioning block (51) is slidably arranged on the side wall of the flattening assembly (4), and the positioning block (51) can horizontally slide along the length direction of the limiting groove (10);
the positioning block (51) is provided with a vertical hole (55) matched with the pressing column (52), and the pressing column (52) is arranged in the vertical hole (55) in a lifting manner;
the inside of the positioning block (51) is also provided with an accommodating groove (56), the two polishing pieces (54) are symmetrically arranged in the accommodating groove (56), the polishing pieces (54) are linked with the cutting piece (53), and the polishing pieces (54) are suitable for polishing the side wall of the cutting piece (53);
the cutting piece (53) is detachably arranged at the lower end of the pressing column (52), and the cutting piece (53) is matched with the limit groove (10); wherein,,
the pressing column (52) is suitable for driving the cutting piece (53) to move downwards so as to cut off the protective film;
after the lower end of the pressing column (52) is abutted with the workbench (1), the bottom of the cutting piece (53) is suitable for penetrating through the protective film;
when the cutting piece (53) horizontally moves, the side wall of the cutting piece (53) is abutted against the side wall of the limit groove (10), the side wall and the bottom wall of the cutting piece (53) are suitable for cutting the protective film into a plurality of sections, and the end part of the protective film to be adhered can be bent and attached to the side wall of the limit groove (10);
the cutting member (53) comprises: the device comprises an upper cone (531), a lower cone (532) and a fixed ring (533), wherein the lower cone (532) and the upper cone (531) are oppositely arranged, and a cutting edge (536) is fixed at the lower end of the lower cone (532);
an annular cutting edge (535) is arranged at the intersection of the upper cone (531) and the lower cone (532), and the annular cutting edge (535) is suitable for being abutted with the side wall of the limit groove (10);
the fixing ring (533) is fixed on the upper cone (531), the interior of the upper cone (531) is hollow, and the fixing ring (533) is suitable for being clamped and fixed at the bottom of the pressing column (52).
2. A die bonder with a tool changer as recited in claim 1, wherein,
the polishing piece (54) is horizontally arranged, and a positioning sliding block is fixed at one end of the polishing piece (54) away from the cutting piece (53);
two vertical chute (560) are arranged in the accommodating groove (56), and one vertical chute (560) corresponds to one positioning slide block; wherein,,
the cutting piece (53) moves downwards and is suitable for driving the two polishing pieces (54) to synchronously move downwards;
the vertical chute (560) is adapted to guide the two sanding elements (54) to move away from each other in the horizontal direction during downward movement of the sanding elements (54).
3. A die bonder with a tool changer as recited in claim 2, wherein,
one end of the polishing piece (54) close to the cutting piece (53) is provided with a polishing groove (540) matched with the annular cutting edge (535); wherein,,
after the cutting member (53) moves upwards to the position where the annular cutting edge (535) abuts against the polishing groove (540), the pressing column (52) is rotated circumferentially, so that the polishing member (54) can polish the annular cutting edge (535).
4. A die bonder with convenient tool changing as set forth in claim 3, wherein,
the lower end of the pressing column (52) is provided with a fixed groove (520) matched with the fixed ring (533), and the inner wall of the fixed groove (520) is symmetrically provided with two positioning grooves (521);
two convex blocks (534) matched with the positioning grooves (521) are symmetrically arranged on the outer wall of the fixed ring (533), and the convex blocks (534) are suitable for being inserted into the positioning grooves (521); wherein,,
after the annular cutting edge (535) is abutted with the polishing groove (540), the pressing column (52) continues to move upwards, and the upper cone (531) is suitable for driving the two polishing pieces (54) to slide upwards synchronously;
the two polishing pieces (54) move in opposite directions to squeeze the upper cone (531) and drive the fixing ring (533) to deform, so that the protruding blocks (534) are separated from the positioning grooves (521).
5. The die bonder with the tool changing function according to claim 4, wherein,
the flattening assembly (4) comprises: the device comprises two vertical plates (41), horizontal plates (42), pushing cylinders (43), leveling rollers (44) and cutting positioning plates (45), wherein the two vertical plates (41) are symmetrically arranged on two sides of the workbench (1), the horizontal plates (42) are vertically fixed at the upper ends of the two vertical plates (41), and the vertical plates (41) are suitable for sliding horizontally along the workbench (1);
the cutting positioning plate (45) is horizontally fixed on the side wall of the side, close to the limiting groove (10), of the vertical plate (41), and the positioning block (51) is slidably arranged on the side wall of the cutting positioning plate (45);
the pushing cylinder (43) is fixed at the upper end of the horizontal plate (42), the flattening roller (44) is arranged at the lower end of the horizontal plate (42), the flattening roller (44) is rotatably arranged at the movable end of the pushing cylinder (43), and the flattening roller (44) is parallel to the workbench (1); wherein,,
after the pushing cylinder (43) drives the flattening roller (44) to be abutted against the protective film, the horizontal plate (42) is pushed to move horizontally, and the protective film can be flattened at the upper end of the chip while the flattening roller (44) can rotate circumferentially.
6. The die bonder with the tool changing function according to claim 5, wherein,
the circle-cutting assembly (6) comprises: the novel plastic bottle comprises a handle rod (61), a rotating shaft (62), a positioning column (63), two film pressing pieces (64) and a circular cutter (65), wherein the rotating shaft (62) penetrates through the cover plate (2), one end of the handle rod (61) is fixed on the outer wall of the rotating shaft (62), and the handle rod (61) is arranged above the cover plate (2);
the positioning column (63) is fixed at the lower end of the rotating shaft (62), and the two film pressing pieces (64) are respectively fixed at the two ends of the positioning column (63);
the circular cutting knife (65) is fixed on the side wall of the film pressing piece (64), and the cutting edge of the circular cutting knife (65) protrudes out of the inner wall of the film pressing piece (64); wherein,,
after the cover plate (2) is pressed on the chip, the handle rod (61) drives the rotating shaft (62) to circumferentially rotate, so that the round cutting knife (65) can cut the protective film into a round shape along the circumferential direction of the chip.
7. The die bonder with the tool changing function according to claim 6, wherein,
the upper end of the pressing column (52) is T-shaped, a reset spring is sleeved on the outer wall of the pressing column (52), and the lower end of the reset spring is abutted to the positioning block (51).
8. A film cutting method of a chip film sticking machine convenient for changing a cutter is characterized in that the chip film sticking machine convenient for changing the cutter is used according to claim 7,
after the chip is horizontally placed at a film pasting station on the workbench (1), the protective film is pulled to cover the chip;
the flattening assembly (4) horizontally moves, the pushing cylinder (43) drives the flattening roller (44) to be abutted against the protective film, the horizontal plate (42) is pushed to horizontally move, the horizontal plate (42) drives the flattening roller (44) to horizontally move along the upper end of the protective film, the flattening roller (44) can horizontally move and circumferentially rotate, the flattening roller (44) is suitable for flattening the protective film on the upper end of a chip, and after the protective film is flattened on the upper end of the chip, the flattening assembly (4) reversely moves to reset;
after the flattening assembly (4) moves to the initial station, the cutting piece (53) is positioned right above the limiting groove (10);
pressing the pressing column (52) to move downwards until the lower end of the pressing column (52) is abutted against the protective film;
in the process that the lower end of the pressing column (52) is abutted against the protective film, the cutting piece (53) is inserted into the limiting groove (10), and the cutting piece (53) presses the protective film to enable the protective film to bend and deform into the limiting groove (10);
the lower end of the cutting piece (53) penetrates through the protective film, and the lower cone (532) is suitable for extruding the protective film so as to enable the protective film to be abutted with the side wall of the limit groove (10);
the annular cutting edge (535) is abutted against the side wall of the limit groove (10), the annular cutting edge (535) is matched with the cutting knife and is suitable for cutting the protective film into a plurality of sections, and the lower cone (532) is suitable for attaching the end part of the protective film of the film section to be attached to the inner wall of the limit groove (10) so as to prevent the protective film from loosening and shifting or being blown away by air flow under the action of tension;
pushing the positioning block (51) to horizontally move along the side wall of the cutting positioning plate (45) so that the cutting knife can cut off the protective film;
after cutting, the cutting piece (53) moves upwards to retract into the positioning block (51) until the annular cutting edge (535) is abutted against the polishing piece (54), and the positioning block (51) is rotated circumferentially, so that the polishing piece (54) can polish the annular cutting edge (535);
after the protection film is cut off, the cover plate (2) is pressed on the chip, and the handle rod (61) drives the rotating shaft (62) to circumferentially rotate, so that the round cutting knife (65) can cut the protection film into a round shape along the circumferential direction of the chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311042208.5A CN116750265B (en) | 2023-08-18 | 2023-08-18 | Chip film sticking machine convenient for tool changing and film cutting method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311042208.5A CN116750265B (en) | 2023-08-18 | 2023-08-18 | Chip film sticking machine convenient for tool changing and film cutting method thereof |
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| CN116750265A CN116750265A (en) | 2023-09-15 |
| CN116750265B true CN116750265B (en) | 2023-10-20 |
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