CN113879887A - Film-removing adhesive tape unwinding mechanism for polaroid of automatic chip mounter - Google Patents
Film-removing adhesive tape unwinding mechanism for polaroid of automatic chip mounter Download PDFInfo
- Publication number
- CN113879887A CN113879887A CN202111343563.7A CN202111343563A CN113879887A CN 113879887 A CN113879887 A CN 113879887A CN 202111343563 A CN202111343563 A CN 202111343563A CN 113879887 A CN113879887 A CN 113879887A
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- Prior art keywords
- roller
- unwinding
- adhesive tape
- chip mounter
- sleeves
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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
- B65H19/00—Changing the web roll
- B65H19/10—Changing the web roll in unwinding mechanisms or in connection with unwinding operations
- B65H19/18—Attaching, e.g. pasting, the replacement web to the expiring web
- B65H19/1805—Flying splicing, i.e. the expiring web moving during splicing contact
- B65H19/1826—Flying splicing, i.e. the expiring web moving during splicing contact taking place at a distance from the replacement roll
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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
- B65H19/00—Changing the web roll
- B65H19/10—Changing the web roll in unwinding mechanisms or in connection with unwinding operations
- B65H19/12—Lifting, transporting, or inserting the web roll; Removing empty core
- B65H19/123—Lifting, transporting, or inserting the web roll; Removing empty core with cantilever supporting arrangements
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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
- B65H19/00—Changing the web roll
- B65H19/10—Changing the web roll in unwinding mechanisms or in connection with unwinding operations
- B65H19/20—Cutting-off the expiring web
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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
- B65H2701/00—Handled material; Storage means
- B65H2701/10—Handled articles or webs
- B65H2701/19—Specific article or web
- B65H2701/194—Web supporting regularly spaced adhesive articles, e.g. labels, rubber articles, labels or stamps
Landscapes
- Replacement Of Web Rolls (AREA)
- Winding Of Webs (AREA)
- Adhesive Tapes (AREA)
- Storage Of Web-Like Or Filamentary Materials (AREA)
Abstract
The application discloses a polaroid film-uncovering adhesive tape unwinding mechanism of an automatic chip mounter, which comprises a rack, a winding roller and an unwinding roller; the outer circumferential surface of the unwinding roller is sleeved with two mounting sleeves for mounting adhesive tape rolls, the two mounting sleeves are arranged in a staggered mode along the axial direction, and the unwinding roller is provided with a limiting part for limiting the axial distance between the two mounting sleeves; the winding roller is used for driving the unwinding roller to unwind in a rotating mode. The application has the effect of reducing the cost of the patch on the premise of keeping the effects of film uncovering and patch uncovering of the film uncovering adhesive tape.
Description
Technical Field
The application relates to the field of automatic chip mounters, in particular to a polaroid film uncovering adhesive tape unwinding mechanism of an automatic chip mounter.
Background
In the manufacturing process of the liquid crystal display, a polarizer needs to be attached to a glass substrate to which a flexible circuit board has been attached. The prior polaroid is adhered by the film removing adhesive tape, and after the polaroid is adhered to the glass substrate, the film removing adhesive tape is used for tearing off the release film of the polaroid, so that the laminating work of the polaroid is realized.
In the prior art, a corresponding film-uncovering adhesive tape is selected according to the size of glass. The selection of a half of the release film adhesive tapes needs to be selected according to the size of the glass substrate, generally, the larger the size of the glass substrate is, the wider the release film adhesive tapes need to be selected, for example, the adhesive tapes with the width of about 50mm are generally used when the size of the glass substrate is 70-90mm, so that the cost of the patch is higher. If the adhesive tape with smaller width specification is selected, the problems of sheet falling during sheet sticking, difficult film tearing, no absorption of the polaroid, askew absorption and the like are easy to occur.
Disclosure of Invention
In order to reduce the cost of the chip under the premise of keeping the effects of film uncovering and chip mounting of the film uncovering adhesive tape, the application provides a polaroid film uncovering adhesive tape unwinding mechanism of an automatic chip mounter.
The application provides a pair of automatic chip mounter's polaroid membrane sticky tape unwinding mechanism takes off adopts following technical scheme:
a polaroid film-uncovering adhesive tape unwinding mechanism of an automatic chip mounter comprises a rack, a winding roller and an unwinding roller; the outer circumferential surface of the unwinding roller is sleeved with two mounting sleeves for mounting adhesive tape rolls, the two mounting sleeves are arranged in a staggered mode along the axial direction, and the unwinding roller is provided with a limiting part for limiting the axial distance between the two mounting sleeves; the winding roller is used for driving the unwinding roller to unwind in a rotating mode.
By adopting the technical scheme, in the process of removing and pasting the film on the polaroid by the automatic chip mounter through the adhesive tape, the two adhesive tapes with smaller width specifications replace the adhesive tape with large width specification, so that the cost is saved; through making the interval between two sticky tapes adjust according to the glass sheet size, be difficult for appearing leading to falling the piece because of glass size and sticky tape size mismatch, be difficult for tearing the membrane scheduling problem to be favorable to keeping taking off under the prerequisite that membrane sticky tape took off membrane and paster effect, reduce the paster cost.
Optionally, the number of the unwinding rollers is two, the two unwinding rollers are arranged in parallel, one end of each of the two unwinding rollers is connected to a roller frame, the roller frame is provided with a first rotating shaft, the first rotating shaft is parallel to the unwinding rollers, the first rotating shaft is rotatably connected to the rack, and the rack is provided with a driving piece for driving the roller frame to rotate; the rack is provided with a gluing roller for gluing the adhesive tape of the adhesive tape roll; two one of them as the working roll of unreeling the roller, another as reserve roller, two unreel the roller and regard as working roll and reserve roller in turn, glue the roller and be located one side that the working roll was kept away from to reserve roller, the working roll is to being close to glue the direction of roller and unreel, glue the roller with the working roll unreel the interval in orbit be greater than reserve roller with the working roll unreels the interval in orbit.
By adopting the technical scheme, when the automatic chip mounter carries out polaroid laminating and film stripping through the adhesive tape, the adhesive tape roll on the working roll continuously releases the adhesive tape, the adhesive tape on the working roll extends to the winding roll, the adhesive tape of the standby adhesive tape roll placed on the standby roll is adhered to the adhesive tape roll in advance, and a certain distance is kept between the adhesive tape on the standby roll and the adhesive tape unwinding path of the working roll; when the adhesive tape on the working roller is about to be used up, the roller frame is driven to rotate by the driving piece, so that the adhesive tape of the standby roller is gradually bonded and attached to the adhesive tape of the working roller to form an automatic connection effect, the adhesive tape connected with the standby roller on the working roller is cut off at the moment, the adhesive tape on the working roller is disconnected from the adhesive tape after connection, and after the two unwinding rollers rotate and exchange positions, the original standby roller continues unwinding as a new working roller, so that the working process of the laminating machine is kept continuous as far as possible.
Optionally, the outer circumferential surface of the gluing roller is provided with strip-shaped bulges arranged in a circumferential array.
Through adopting above-mentioned technical scheme, the sticky tape of reserve roller is pasted with the strip arch of gluing the roller, and the effective bonding area between reducible sticky tape and the gluing roller to along with reserve roller rotates gradually to the position of former work roll in order to regard as the in-process of new work roll, the sticky tape of the portion in gluing the roller of pre-bonding on reserve roller peels off from gluing the roller comparatively easily.
Optionally, the adhesive roller comprises a roller body, two ends of the roller body are respectively provided with an annular plate, and the diameter of the roller body is larger than the inner diameter of the annular plate and smaller than the outer diameter of the annular plate; the roller comprises a roller body, and is characterized in that the peripheral surface of the roller body is provided with circular arc grooves distributed in a circumferential array manner, the circular arc angle of each circular arc groove is larger than a straight angle, the central line of each circular arc groove is parallel to the axis of the roller body, the circular arc grooves penetrate through two end faces of the roller body, and circular rods matched with the circular arc grooves are arranged in the circular arc grooves; the round rod part protrudes out of the peripheral surface of the gluing roller to be used as the strip-shaped bulge.
Through adopting above-mentioned technical scheme, the outer peripheral face that is located the protruding rubberizing roller of the pole part of arc inslot inboard is as strip arch, and the inner wall internal rotation of the pole that is located the arc inslot circular arc groove relatively to it is more easily with the pole alternate segregation to make the sticky tape that bonds on the pole on the reserve roller.
Optionally, the unwinding roller is provided with a first damping member, the first damping member abuts against the roller frame, the adhesive roller is provided with a second damping member, and the second damping member abuts against the rack.
Through adopting above-mentioned technical scheme, first damping piece makes and has the friction damping between unreeling roller and the roller frame, has the friction damping between second damping piece and the frame to make on the reserve roller bond in advance in the sticky tape of gluing the roller comparatively easily keep the state of stretching straight, when reserve roller and working roll around first pivot rotatory, the sticky tape of reserve roller pre-bonding in gluing the roller comparatively easily with the sticky tape bonding on the working roll.
Optionally, the frame is fixedly provided with a blade, and the blade is located inside the sweeping paths of the two unwinding rollers.
By adopting the technical scheme, after the adhesive tape of the working roller and the adhesive tape of the standby roller are connected, the part of the adhesive tape extending to the standby roller on the working roller passes through the blade along with the sweeping area of the rotation of the unwinding roller assembly, so that the blade can cut off the adhesive tape between the working roller and the standby roller, the adhesive tape does not need to be manually cut off, and the operation is convenient.
Optionally, the cutting edge of the blade is serrated.
By adopting the technical scheme, the mouth of the blade is serrated, so that when the blade is contacted with the surface of the adhesive tape, the surface of the adhesive tape is easy to generate stress concentration, and the serrated teeth of the blade can pierce the adhesive tape, so that the adhesive tape is more easy to be cut and broken by the blade.
Optionally, the limiting member includes three limiting sleeves, the three limiting sleeves are connected with the unwinding roller sleeve, the three limiting sleeves and the two mounting sleeves are alternately arranged at intervals, and the limiting sleeves and the mounting sleeves are both connected with the unwinding roller key; the unwinding roller is far away from one end of the rack is detachably connected with a positioning ring, and the outer diameter of the positioning ring is larger than the inner diameter of the limiting sleeve and smaller than the outer diameter of the limiting sleeve.
Through adopting above-mentioned technical scheme, the holding ring makes each stop collar and mounting sleeve keep on unreeling the roller, and the common restriction of three stop collar lies in two mounting sleeves of same unreeling the roller and follows axial relative position to through the length and size who adjusts three stop collar, interval between the adjustable two mounting sleeves, thereby reach the purpose of adjusting the interval between two sticky tape rolls of same unreeling the roller.
Optionally, the outer diameter of the mounting sleeve is smaller than the outer diameter of the limiting sleeve, a plurality of clamping protrusions are arranged on the outer peripheral surface of the mounting sleeve, the extending direction of each clamping protrusion is parallel to the axial direction of the unwinding roller, and the diameter of the outline formed by each clamping protrusion is larger than the outer diameter of the limiting sleeve.
By adopting the technical scheme, the mounting sleeve clamps the core cylinder of the adhesive tape roll through the clamping protrusion, so that the adhesive tape roll is not easy to rotate relative to the mounting sleeve; the diameter of the profile formed by each clamping protrusion is larger than that of the limiting sleeve, when the adhesive tape roll is disassembled, axial acting force can be applied to the adhesive tape roll, so that the adhesive tape roll can be directly separated from the unwinding roller after sequentially passing through the mounting sleeve, the limiting sleeve and the positioning ring, and the convenience is realized.
Optionally, the outer circumferential surface of the unwinding roller is provided with a first external thread and a second external thread, the spiral directions of the first external thread and the second external thread are opposite, the first external thread and the second external thread are arranged along the axial direction in a staggered manner, one of the two mounting sleeves is provided with a first internal thread adapted to the first external thread, and the other mounting sleeve is provided with a second internal thread adapted to the second external thread; the limiting piece is a spacing sleeve, the spacing sleeve is connected with the unwinding roller in a sleeved mode and located between the two installation sleeves, and the first external thread and the second external thread are respectively and partially located on the inner side of the spacing sleeve; the screwing direction of the two installation sleeves which are close to each other is the same as the rotating direction of the unwinding roller during unwinding.
By adopting the technical scheme, the first external thread and the second external thread have opposite spiral directions, so that when the two mounting sleeves rotate in the same direction, the two mounting sleeves are close to or far away from each other; when the winding roller drives the two adhesive tape rolls on the unwinding roller to unwind, the two mounting sleeves are oppositely screwed by the acting force of the two adhesive tape rolls on the two mounting sleeves, so that the two mounting sleeves are not easy to loosen; the spacer sleeve separates the two mounting sleeves to keep the distance between the adhesive tape rolls on the two mounting sleeves, and the distance between the two mounting sleeves can be adjusted by replacing the spacer sleeves with different length specifications, so that the distance between the two adhesive tape rolls on the same unwinding roller can be adjusted.
In summary, the present application includes at least one of the following beneficial technical effects:
the two adhesive tapes with smaller width specifications replace the adhesive tape with large width specifications, and the distance between the two adhesive tapes is adjusted according to the size of the glass plate, so that the problems of sheet dropping, film tearing and the like caused by the mismatching of the size of the glass and the size of the adhesive tape are not easy to occur, and the film peeling cost is reduced on the premise of keeping the film peeling and sticking effects of the film peeling adhesive tape;
by arranging the two unwinding rollers, after the two unwinding rollers rotate and exchange positions, the original standby roller is continuously unwound as a new working roller, so that the working process of the laminating machine is kept continuous as far as possible.
Drawings
FIG. 1 is a schematic structural view of example 1.
Fig. 2 is an exploded view illustrating the structure of the unwinding assembly and the gluing roller according to embodiment 1.
Fig. 3 is a front view of embodiment 1.
Fig. 4 is a schematic view of embodiment 1 for showing the installation relationship of the tool holder and the mounting plate.
FIG. 5 is a schematic structural view of example 2.
Fig. 6 is an exploded view of the unwinding assembly of embodiment 2.
Description of reference numerals: 1. a frame; 11. a base; 12. mounting a plate; 2. an unwinding assembly; 21. a roller frame; 211. a first rotating shaft; 22. unwinding rollers; 2201. a work roll; 2202. a backup roll; 221. a second rotating shaft; 222. a first external thread; 223. a second external thread; 23. a drive member; 24. a first damping member; 25. installing a sleeve; 251. a first internal thread; 252. a second internal thread; 253. clamping the bulges; 26. a limiting member; 261. a limiting sleeve; 262. a spacer sleeve; 27. a positioning ring; 3. a winding component; 31. a wind-up roll; 32. a core barrel; 4. gluing a roller; 41. a roller body; 411. an arc groove; 42. a third rotating shaft; 43. an annular plate; 44. a round bar; 441. strip-shaped bulges; 45. a second damping member; 5. a tool holder; 51. a first rod body; 52. a second rod body; 53. a seat plate; 531. a bolt; 6. a blade; 7. an adhesive tape roll.
Detailed Description
The present application is described in further detail below with reference to figures 1-6.
Example 1:
the embodiment of the application discloses an unwinding mechanism for a polaroid film uncovering adhesive tape of an automatic chip mounter. Referring to fig. 1, the unwinding mechanism for the polarizer film-uncovering adhesive tape of the automatic chip mounter comprises a frame 1, an unwinding assembly 2 and a winding assembly 3; the unwinding assembly 2 is used for installing the adhesive tape roll 7, and the winding assembly 3 is used for driving the adhesive tape roll 7 on the unwinding assembly 2 to unwind and wind the adhesive tape.
Referring to fig. 1 and 2, the housing 1 includes a base 11 and a vertically disposed mounting plate 12; the unwinding assembly 2 comprises a roller frame 21 and two unwinding rollers 22, the roller frame 21 is provided with a first rotating shaft 211, and the first rotating shaft 211 is rotatably connected with the mounting plate 12; the unwinding roller 22 has a second rotating shaft 221, the second rotating shaft 221 of the unwinding roller 22 is rotatably connected with the roller frame 21, and the two unwinding rollers 22 are respectively parallel to the first rotating shaft 211.
Referring to fig. 1, 2 and 3, the mounting plate 12 is provided with a driving member 23 for driving the roller frame 21 to rotate, and the driving member 23 is a servo motor; one of the two unwinding rollers 22 is set as a working roller 2201, the other is set as a standby roller 2202, and the driving piece 23 drives the roller frame 21 to rotate, so that the two unwinding rollers 22 alternately serve as the working roller 2201 and the standby roller 2202; the mounting plate 12 is rotatably connected with a glue roller 4, when a working roller 2201 in the unwinding roller 22 is in a working state, the standby roller 2202 is located between the working roller 2201 and the glue roller 4, the working roller 2201, the standby roller 2202 and the glue roller 4 are sequentially arranged along the unwinding direction of the working roller 2201, and the distance between the unwinding paths of the glue roller 4 and the working roller 2201 is greater than the distance between the unwinding paths of the standby roller 2202 and the working roller 2201.
When unwinding the adhesive tape, the adhesive tape roll 7 on the work roll 2201 continuously discharges the adhesive tape, the adhesive tape of the standby adhesive tape roll 7 placed on the standby roll 2202 is adhered to the adhesive tape adhering roll 4 in advance, when the adhesive tape on the work roll 2201 is about to run out, the roll frame 21 is rotated to adhere the adhesive tape of the standby roll 2202 to the adhesive tape of the work roll 2201 to form an automatic splicing function, at this time, the adhesive tape connected to the standby roll 2202 on the work roll 2201 is cut off, the adhesive tape roll 7 on the work roll 2201 is disconnected from the spliced adhesive tape, and after the two unwinding rolls 22 are rotated and interchanged, the alternation of the two unwinding rolls 22 is completed. After that, the reel of the remaining tape roll 7 of the original unwinding roller 22 is removed, and a new tape roll 7 is wound thereon as a new backup roller 2202.
Referring to fig. 2, the pasting roller 4 includes a roller body 41, the roller body 41 has a third rotating shaft 42, the third rotating shaft 42 is connected with the mounting plate 12 in a rotating manner, the two ends of the roller body 41 are respectively provided with a circular plate 43, the diameter of the roller body 41 is greater than the inner diameter of the circular plate 43, and is smaller than the outer diameter of the circular plate 43, the circular plate 43 is connected with the roller body 41 through a bolt, the outer peripheral surface of the roller body 41 is provided with a circular arc groove 411 formed by a plurality of circular arrays, the circular arc angle of the circular arc groove 411 is greater than a flat angle, the central line of the circular arc groove 411 is parallel to the axis of the roller body 41, the circular arc groove 411 penetrates through two end faces of the roller body 41, a circular rod 44 adapted to the circular arc groove 411 is arranged in the circular arc groove 411, and the outer peripheral surface of the circular rod 44 partially protruding out of the roller body 41 forms a strip-shaped protrusion 441.
The adhesive tape of the adhesive tape roll 7 on the standby roller 2202 is bonded with the adhesive tape roll 4, when the roller frame 21 drives the two unwinding rollers 22 to rotate so that the working roller 2201 and the standby roller 2202 are switched in position, the adhesive tape on the original standby roller 2202 is gradually peeled off from the adhesive tape roll 4, and the adhesive tape is adhered to the part of the round rod 44 protruding out of the outer peripheral surface of the roller body 41, so that the round rod 44 can rotate in the circular arc groove 411, and the adhesive tape is easily peeled off from the adhesive tape roll 4.
Referring to fig. 1 and 4, a knife rest 5 is fixedly arranged on the mounting plate 12, the knife rest 5 comprises a first rod 51 and a second rod 52, the first rod 51 is perpendicular to the mounting plate 12, the first rod 51 is located outside the moving range of the unwinding assembly 2, the first rod 51 is rotatably connected with the mounting plate 12, a seat plate 53 is arranged at the lower end of the first rod 51, and a bolt 531 is jointly inserted between the seat plate 53 and the mounting plate 12; the second rod 52 is fixed at one end of the first rod 51 far from the mounting plate 12, the one end of the second rod 52 far from the first rod 51 is fixedly provided with a strip-shaped blade 6, the length direction of the blade 6 is parallel to the first rod 51, the cutting edge of the blade 6 is in a sawtooth shape, and the blade 6 is positioned at the inner side of the path swept by the two unreeling rollers 22.
The adhesive tape connected between the working roller 2201 and the standby roller 2202 is intersected with the blade 6 along with the rotation of the unreeling roller 22 assembly, so that the blade 6 can cut the adhesive tape connected between the working roller 2201 and the standby roller 2202, and the adhesive tape does not need to be manually cut, and is convenient; after the two unwinding rollers 22 are switched, the position of the tape unwound by the new working roller 2201 and the position of the blade 6 are changed, and the adjustment needs to be performed by inserting and pulling the plug pin 531 and then re-rotating the positioning tool rest 5.
Referring to fig. 1 and 2, the second rotating shaft 221 of the unwinding roller 22 passes through the roller frame 21, the end of the second rotating shaft 221 is connected with the first damping member 24 through a bolt, the first damping member 24 is in a cover shape, and the edge of the peripheral wall of the first damping member 24 abuts against the surface of the roller frame 21; the third rotating shaft 42 of the gluing roller 4 penetrates through the mounting plate 12, the end part of the third rotating shaft 42 is connected with a second damping piece 45 through a bolt, the second damping piece 45 is in a cover body shape, and the edge of the peripheral wall of the second damping piece 45 is abutted against the surface of the mounting plate 12.
Referring to fig. 2, two mounting sleeves 25 for mounting the adhesive tape roll 7 are sleeved on the outer peripheral surface of the unwinding roller 22, clamping protrusions 253 are arranged on the outer peripheral surface of each mounting sleeve 25 at equal angles along the circumferential direction, the mounting sleeves 25 clamp the cylinder core of the adhesive tape roll 7 through the clamping protrusions 253, and the unwinding roller 22 is provided with a limiting part 26 for limiting the axial distance between the two mounting sleeves 25; the limiting piece 26 comprises three limiting sleeves 261, the outer diameters of the three limiting sleeves 261 are equal to the outer diameters of the mounting sleeves 25, the three limiting sleeves 261 are connected with the unwinding roller 22 in a sleeved mode, the three limiting sleeves 261 and the two mounting sleeves 25 are alternately arranged at intervals, and the mounting sleeves 25 and the limiting sleeves 261 are respectively connected with the unwinding roller 22 in a key mode; one end of the unwinding roller 22, which is far away from the roller frame 21, is detachably connected with a positioning ring 27 through a bolt, and the outer diameter of the positioning ring 27 is larger than the inner diameter of the stop collar 261 and smaller than the outer diameter of the stop collar 261.
By adjusting the length of each stop collar 261, the distance between the two mounting collars 25 can be adjusted, thereby adjusting the distance between the two adhesive tape rolls 7 on the same unwinding roller 22.
Referring to fig. 2, the wind-up roll 31 is rotatably connected to the mounting plate 12, the frame 1 is provided with a motor for driving the wind-up roll 31 to rotate, the wind-up roll 31 is an inflatable roll shaft, the wind-up roll 31 is used for sheathing the core cylinder 32, the core cylinder 32 is used for winding the adhesive tape, and the adhesive tapes of the two adhesive tape rolls 7 of the unwinding roll 22 are wound on the same core cylinder 32. In another embodiment, the wind-up roll 31 may also be provided in a mode in which the twin rolls are alternately operated with reference to the structure of the wind-up roll 22.
The implementation principle of the embodiment of the application is as follows: in the process of removing and pasting the film on the polaroid by the automatic chip mounter through the adhesive tape, the two adhesive tapes with smaller width specifications replace the adhesive tape with large width specification, so that the cost is saved; the interval between two sticky tapes can be adjusted according to the glass sheet size, is difficult for appearing leading to falling the piece because of glass size and sticky tape size mismatch, is difficult for tearing the membrane scheduling problem.
Example 2:
referring to fig. 5 and 6, the present embodiment is different from embodiment 1 in that: the limiting member 26 is a spacing sleeve 262, the spacing sleeve 262 is sleeved and connected with the unwinding roller 22, and the spacing sleeve 262 is located between the two mounting sleeves 25; by replacing the spacer sleeve 262 with a different length, the distance between two adhesive tape rolls 7 on the same unwinding roller 22 can be adjusted.
Referring to fig. 6, the outer circumferential surface of the unwinding roller 22 is provided with a first external thread 222 and a second external thread 223, the spiral directions of the first external thread 222 and the second external thread 223 are opposite, the first external thread 222 and the second external thread 223 are arranged along the axial direction in a staggered manner, and the first external thread 222 and the second external thread 223 are respectively and partially positioned on the inner side of the spacer sleeve 262; of the two mounting sleeves 25, one mounting sleeve 25 is provided with a first internal thread 251 adapted to the first external thread 222, and the other mounting sleeve 25 is provided with a second internal thread 252 adapted to the second external thread 223; the two mounting sleeves 25 are screwed close to each other in the same direction as the unwinding direction of the unwinding roller 22. Therefore, when the wind-up roll 31 drives the two adhesive tape rolls 7 on the wind-up roll 22 to wind up, the two adhesive tape rolls 7 generate acting force on the two mounting sleeves 25 to screw the two mounting sleeves 25 in opposite directions, so that the two mounting sleeves 25 are not easy to loosen.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. A polaroid film-uncovering adhesive tape unwinding mechanism of an automatic chip mounter comprises a rack (1), a winding roller (31) and an unwinding roller (22); the method is characterized in that: the outer circumferential surface of the unwinding roller (22) is sleeved with two mounting sleeves (25) for mounting the adhesive tape roll (7), the two mounting sleeves (25) are arranged in a staggered mode along the axial direction, and the unwinding roller (22) is provided with a limiting part (26) for limiting the axial distance between the two mounting sleeves (25); the winding roller (31) is used for driving the unwinding roller (22) to unwind in a rotating mode.
2. The unwinding mechanism for the polarizer film-uncovering adhesive tape of the automatic chip mounter according to the claim 1, characterized in that: the two unwinding rollers (22) are arranged in parallel, one end of each of the two unwinding rollers (22) is connected with a roller frame (21), each roller frame (21) is provided with a first rotating shaft (211), the first rotating shafts (211) are parallel to the unwinding rollers (22), the first rotating shafts (211) are rotatably connected with the rack (1), and the rack (1) is provided with a driving piece (23) for driving the roller frames (21) to rotate; the rack (1) is provided with a gluing roller (4), and the gluing roller (4) is used for gluing the adhesive tape of the adhesive tape roll (7); one of the two unwinding rollers (22) is used as a working roller (2201), the other one is used as a standby roller (2202), the two unwinding rollers (22) are alternately used as the working roller (2201) and the standby roller (2202), the adhesive roller (4) is positioned on one side, far away from the working roller (2201), of the standby roller (2202), the working roller (2201) unwinds towards the direction close to the adhesive roller (4), and the distance between the unwinding tracks of the adhesive roller (4) and the working roller (2201) is larger than that between the standby roller (2202) and the unwinding tracks of the working roller (2201).
3. The unwinding mechanism for the polarizer film-uncovering adhesive tape of the automatic chip mounter according to the claim 2, characterized in that: the peripheral surface of the gluing roller (4) is provided with strip-shaped bulges (441) which are arranged in a circumferential array.
4. The unwinding mechanism for the polarizer film-uncovering adhesive tape of the automatic chip mounter according to the claim 3, characterized in that: the adhesive roller (4) comprises a roller body (41), two ends of the roller body (41) are respectively provided with an annular plate (43), and the diameter of the roller body (41) is larger than the inner diameter of the annular plate (43) and smaller than the outer diameter of the annular plate (43); the outer circumferential surface of the roller body (41) is provided with arc grooves (411) which are circumferentially arrayed, the arc angle of each arc groove (411) is larger than a straight angle, the central line of each arc groove (411) is parallel to the axis of the roller body (41), the arc grooves (411) penetrate through two end faces of the roller body (41), and circular rods (44) matched with the arc grooves (411) are arranged in the arc grooves (411); the round rod (44) partially protrudes out of the outer peripheral surface of the gluing roller (4) to be used as the strip-shaped bulge (441).
5. The unwinding mechanism for the polarizer film-uncovering adhesive tape of the automatic chip mounter according to the claim 2, characterized in that: unreel roller (22) and be equipped with first damping piece (24), first damping piece (24) butt roller frame (21), it is equipped with second damping piece (45) to glue roller (4), second damping piece (45) butt frame (1).
6. The unwinding mechanism for the polarizer film-uncovering adhesive tape of the automatic chip mounter according to the claim 2, characterized in that: the frame (1) is fixedly provided with a blade (6), and the blade (6) is positioned on the inner side of the sweeping path of the two unwinding rollers (22).
7. The unwinding mechanism for the polarizer film-uncovering adhesive tape of the automatic chip mounter according to the claim 6, characterized in that: the cutting edge of the blade (6) is in a sawtooth shape.
8. The unwinding mechanism for the polarizer film-uncovering adhesive tape of the automatic chip mounter according to the claim 1, characterized in that: the limiting piece (26) comprises three limiting sleeves (261), the three limiting sleeves (261) are connected with the unwinding roller (22) in a sleeved mode, the three limiting sleeves (261) and the two mounting sleeves (25) are alternately arranged at intervals, and the limiting sleeves (261) and the mounting sleeves (25) are connected with the unwinding roller (22) in a key mode; unreel roller (22) and keep away from the one end of frame (1) can be dismantled and be connected with holding ring (27), the external diameter of holding ring (27) is greater than the internal diameter of stop collar (261), and is less than the external diameter of stop collar (261).
9. The unwinding mechanism for the polarizer film-uncovering adhesive tape of the automatic chip mounter according to the claim 8, characterized in that: the external diameter of installation cover (25) is less than the external diameter of stop collar (261), the outer peripheral face of installation cover (25) is equipped with a plurality of joint arch (253), the extending direction of joint arch (253) is on a parallel with the axial of unreeling roller (22), each the profile diameter that joint arch (253) formed is greater than the external diameter of stop collar (261).
10. The unwinding mechanism for the polarizer film-uncovering adhesive tape of the automatic chip mounter according to the claim 1, characterized in that: a first external thread (222) and a second external thread (223) are arranged on the outer peripheral surface of the unwinding roller (22), the spiral directions of the first external thread (222) and the second external thread (223) are opposite, the first external thread (222) and the second external thread (223) are arranged in a staggered mode along the axial direction, one mounting sleeve (25) is provided with a first internal thread (251) matched with the first external thread (222), and the other mounting sleeve (25) is provided with a second internal thread (252) matched with the second external thread (223); the limiting piece (26) is a spacing sleeve (262), the spacing sleeve (262) is sleeved with the unwinding roller (22), the spacing sleeve (262) is located between the two mounting sleeves (25), and the first external thread (222) and the second external thread (223) are respectively and partially located on the inner side of the spacing sleeve (262); the screwing direction of the two installation sleeves (25) which are close to each other is the same as the rotating direction of the unwinding roller (22) during unwinding.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111343563.7A CN113879887B (en) | 2021-11-13 | 2021-11-13 | Polarizer film uncovering adhesive tape unreeling mechanism of automatic chip mounter |
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| CN202111343563.7A CN113879887B (en) | 2021-11-13 | 2021-11-13 | Polarizer film uncovering adhesive tape unreeling mechanism of automatic chip mounter |
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| CN113879887A true CN113879887A (en) | 2022-01-04 |
| CN113879887B CN113879887B (en) | 2023-07-28 |
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| CN212423763U (en) * | 2020-05-22 | 2021-01-29 | 石家庄启宏新材料制品有限公司 | Polyethylene foam board tape-stripping device |
| CN213505048U (en) * | 2020-09-30 | 2021-06-22 | 东莞市日彩塑胶科技有限公司 | Plastic film unwinding device |
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| JP2003238001A (en) * | 2002-02-14 | 2003-08-27 | Nippon Yusoki Co Ltd | Winding machine for adhesive tape |
| CN104441920A (en) * | 2014-12-16 | 2015-03-25 | 重庆谢氏胶粘制品有限公司 | Coated masking film processing method |
| JP2019077511A (en) * | 2017-10-20 | 2019-05-23 | 株式会社ヒラノテクシード | Web, web unwinding device, control method of web unwinding device |
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| CN113879887B (en) | 2023-07-28 |
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