CN214125642U - Adjustable film tearing structure - Google Patents
Adjustable film tearing structure Download PDFInfo
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- CN214125642U CN214125642U CN202021650166.5U CN202021650166U CN214125642U CN 214125642 U CN214125642 U CN 214125642U CN 202021650166 U CN202021650166 U CN 202021650166U CN 214125642 U CN214125642 U CN 214125642U
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Abstract
The utility model provides an adjustable film tearing structure, which comprises an upper film stripping piece, a left support frame and a right support frame, wherein an upper wheel set of the upper film stripping piece is provided with a first upper wheel rod and a second upper wheel rod, a lower wheel set comprises a first lower wheel rod and a second lower wheel rod, two ends of a plurality of first belts are respectively encircled around the first upper wheel rod and the first lower wheel rod, and two ends of a plurality of second belts are respectively encircled around the second upper wheel rod and the second lower wheel rod; and the first middle wheel rod, the second middle wheel rod and the third middle wheel rod of a middle wheel set respectively support and press the middle positions of a plurality of first belts and second belts, so that the plurality of first belts and the second belts are bent upwards at an angle and extend to strip a thin plate film on a film stripping machine, the left support frame and the right support frame are respectively positioned at two sides of the film stripping machine, the left support frame and the right support frame are respectively connected with the left end and the right end of each of the three middle wheel rods, and at least one middle wheel rod can be positioned after being horizontally moved.
Description
Technical Field
The utility model relates to a film tears from structure with adjustable shell membrane machine especially relates to an adjustable a plurality of first belts and a plurality of second belt between close degree or adjacent clearance to effectual film of cliping and smooth and easy drive film removes.
Background
In the manufacturing process of the printed circuit board, before the substrate is exposed, a photoresist layer and a film adhered to the surface of the photoresist layer are respectively formed on the upper surface and the lower surface of the substrate, and after the substrate is exposed, the film is stripped to expose the photoresist layer so as to carry out the subsequent developing and etching procedures. The conventional film stripping machine is mainly used for conveying a thin plate such as the printed circuit board through a front conveying section to move along a conveying direction from front to back, the thin plate is positioned by a blocking unit, and then the thin plate is continuously conveyed backwards along a rear conveying section after being rolled on the surface of the thin film through a group of embossing wheels, and the thin film with a wrinkled front end edge is gradually stripped through a group of sticking wheels.
However, since the thickness of the general substrate is not large, it is easy to have the bending and uneven phenomenon, when the long and straight cylinder shaped adhesive wheel with the same outer diameter is adhered to the film, the adhesive force of each adhering position is not completely the same, and since the thickness of the film is very thin and weak, the film can not be peeled off gradually and completely, and a part of the film brittle sheet still adheres to the surface of the photoresist layer, and can not be detected because the area of the film brittle sheet is too small, this phenomenon will cause the substrate to face the scrapped result in the whole manufacturing process of the printed circuit board.
Therefore, as shown in the patent of taiwan No. I652172 of the present inventor, a solution is provided, which mainly includes an upper peeling member, the upper peeling member includes a first upper pulley set and a second upper pulley set adjacent to each other, and the first upper pulley set and the second upper pulley set rotate in opposite directions, so as to sandwich the film between the first belts and the second belts, so as to peel the film along the front edge of the film.
However, in the actual film peeling process, since the tightness between the first upper belt pulley set and the second upper belt pulley set is fixed, after the belt is used for a period of time, the clamping force of the film is easily weakened, and the smooth movement of the film is further influenced; moreover, for films of different thickness, the use of two pulley sets with fixed gap is limited, and even the expected effect cannot be achieved.
SUMMERY OF THE UTILITY MODEL
In view of the above, in order to provide a structure different from the prior art and improve the above disadvantages, the inventor has experienced many years and has continuously researched and developed the invention.
An object of the utility model is to provide a film tears from structure with adjustable, can solve film among the prior art and tear from the degree of closure or the clearance between a plurality of first belts and a plurality of second belts of structure and fix, make the clamping-force of film weaken and influence the smooth and easy removal of film, and the film centre gripping that can't effectively be applicable to different thickness and the problem of removal, and can let the degree of closure or the adjacent clearance between a plurality of first belts and a plurality of second belts change as required, thereby keep appropriate centre gripping strength, remove with effectual film of cliping and smooth and easy drive film.
For reaching above-mentioned utility model's purpose, the utility model discloses film tears structure with adjustable establish is used for peeling off the sheet metal film on the membrane peeling machine, and the front end of peeling machine has a preceding transport section, supplies to carry the sheet metal, and the sheet metal is through blockking the location of unit and centre gripping unit, and the rethread is a set of knurling wheel after the roll extrusion on the surface of film, lets the sheet metal continue to continue the back transport section and carry backward, and the centre gripping of a plurality of first belts and a plurality of second belts through last membrane peeling part is in order to peel off the film of sheet metal top simultaneously, and its main technical characterstic lies in: the utility model discloses an adjustable film tearing structure comprises an upper membrane stripping component, the upper membrane stripping component also comprises an upper wheel set, a middle wheel set and a lower wheel set, the upper wheel set comprises a first upper wheel rod and a second upper wheel rod which are arranged side by side at intervals and rotate in opposite directions, the lower wheel set comprises a first lower wheel rod and a second lower wheel rod which are arranged side by side at intervals and rotate in opposite directions, two ends of a plurality of first belts respectively encircle the first upper wheel rod and the first lower wheel rod, and two ends of a plurality of second belts respectively encircle the second upper wheel rod and the second lower wheel rod; the middle wheel set comprises a first middle wheel rod, a second middle wheel rod and a third middle wheel rod, the first middle wheel rod, the second middle wheel rod and the third middle wheel rod respectively press against the middle sections of the first belts and the second belts, so that the first belts and the second belts extend upwards in the front end direction of the film stripping machine and then extend upwards in the rear end direction of the film stripping machine at an angle; and one side of the film stripping machine is provided with a left support frame, the other side of the film stripping machine is provided with a right support frame, the left and right ends of the first middle wheel rod, the second middle wheel rod and the third middle wheel rod are respectively connected with the left support frame and the right support frame, and the second middle wheel rod and/or the third middle wheel rod can be positioned after moving forwards or backwards horizontally relative to the first middle wheel rod.
When in use, the utility model also comprises a left positioning plate and a right positioning plate, the left positioning plate is connected with the left support frame in a positioning mode after being relatively horizontally moved, and the left positioning plate is provided with a first left positioning hole and a second left positioning hole for correspondingly positioning the left end of the first middle wheel rod and the left end of the second middle wheel rod; the right positioning plate is connected with the right supporting frame in a mode of being capable of moving horizontally relative to the right supporting frame and then being positioned, and the right positioning plate is provided with a first right positioning hole and a second right positioning hole for correspondingly positioning the right end of the first middle wheel rod and the right end of the second middle wheel rod.
When the left support frame is implemented, the left support frame is provided with a left guide groove, the left end of the first middle wheel rod and the left end of the second middle wheel rod simultaneously penetrate through the left guide groove, and at least one left lantern ring is fixed on the left support frame.
The utility model discloses the left branch strut and right branch strut are connected respectively at the left and right both ends of wheel pole in its wheel pole in first, second and the third from the structure is torn with adjustable another kind of established, and wheel pole in wheel pole, second and the third in the first can be fixed a position for left branch strut and right branch strut forward or backward horizontal migration back simultaneously.
When in implementation, the adjustable film tearing structure further comprises a left positioning plate and a right positioning plate, the left positioning plate is connected with the left support frame in a relatively horizontally movable and positioning mode, and the left positioning plate is provided with a first left positioning hole, a second left positioning hole and a third left positioning hole for correspondingly positioning the left end of the first middle wheel rod, the left end of the second middle wheel rod and the left end of the third middle wheel rod; the right positioning plate is connected with the right supporting frame in a mode of being capable of moving horizontally relatively and then being positioned, and the right positioning plate is provided with a first right positioning hole, a second right positioning hole and a third right positioning hole for correspondingly positioning the right end of the first middle wheel rod, the right end of the second middle wheel rod and the right end of the third middle wheel rod.
When the left support frame is used, the left support frame is provided with a left guide groove, the left end of the first middle wheel rod, the left end of the second middle wheel rod and the left end of the third middle wheel rod simultaneously penetrate through the left guide groove, and at least one left lantern ring is fixed on the left support frame.
When the left support frame is implemented, the left support frame is further provided with an upper guide groove and a lower guide groove, the upper guide groove and the lower guide groove are respectively parallel to the left guide groove and are respectively positioned at the upper end and the lower end of the left guide groove; the upper end and the lower end of the left lantern ring respectively penetrate through the upper guide groove and the lower guide groove through at least one screw to be connected with the left positioning plate.
When in use, the utility model discloses still include a setting element, left branch strut and left locating plate are connected to the setting element, supply the relative horizontal migration's of left locating plate back, are positioned on the left branch strut.
When the positioning device is used, one side of the left positioning plate is provided with a first bent plate, one side of the left support frame is provided with a second bent plate, one end of the positioning piece is connected with the first bent plate, the other end of the positioning piece is connected with the second bent plate, and the positioning piece is a combination of a bolt and a nut.
Drawings
FIG. 1 is a schematic view of a preferred embodiment of the present invention installed on a film stripping machine;
FIG. 2 is a schematic perspective view of a preferred embodiment of the present invention mounted on a film stripping machine;
FIG. 3 is an exploded view of a portion of the components of the preferred embodiment of the present invention;
fig. 4 is a schematic view illustrating a usage status of the preferred embodiment of the present invention.
Description of the reference numerals
Adjustable film tearing structure 1 film stripping machine 10
The blocking unit 13 holds the unit 14
Embossing wheel 15 air blowing unit 16
The rear conveying section 17 is provided with a containing box 18
First lower pulley set 191 of lower film stripping component 19
The membrane stripping component 2 on the second lower pulley block 192
First upper wheel rod 231 of upper wheel set 23
Second upper wheel rod 232 middle wheel set 24
First middle wheel lever 241 and second middle wheel lever 242
Third middle wheel bar 243 lower wheel set 25
First lower wheel bar 251 and second lower wheel bar 252
First left positioning hole 41 and second left positioning hole 42
Third left positioning hole 43 first bending plate 44
Positioning piece 45 right support frame 5
First right positioning hole 61 of right positioning plate 6
The second right positioning hole 62 is for the left collar 7.
Detailed Description
Referring to fig. 1, the adjustable film peeling structure 1 of the present invention is used for peeling at least one film 111,112 of a thin plate 11 on a film peeling machine 10, wherein the thin plate 11 is a plate body such as a printed circuit board. In operation, one end of the input sheet 11 of the film stripping machine 10 is defined as the front end of the film stripping machine 10, the other end of the output sheet 11 is defined as the rear end of the film stripping machine 10, and the front end of the film stripping machine 10 has a front conveying section 12 for conveying the sheet 11 to move along the conveying direction from the front end to the rear end of the film stripping machine 10. After the sheet 11 is stopped and positioned by a stopping unit 13 and a clamping unit 14, and rolled on the surface of the film 111 by a set of embossing rollers 15 to form wrinkles at the front edge of the film 111, air is blown by a blowing unit 16, so that the sheet 11 continues to move backward along a rear conveying section 17 to peel off the film 111, and the film 111 is peeled off above the sheet 11 by clamping a plurality of first belts 21 and a plurality of second belts 22 of an upper film peeling member 2, so that the film 111 falls into an upper accommodating box 18. The upper film stripping part 2 and the lower film stripping part 19 are respectively positioned at the upper end and the lower end of the rear conveying section 17; the lower film peeling member 19 includes a first lower pulley set 191 and a second lower pulley set 192 adjacent to each other, and the first lower pulley set 191 and the second lower pulley set 192 rotate in opposite directions to clamp and drive the film 112 downward, so that the film 112 falls into the lower accommodating box below the lower film peeling member 19.
Referring to fig. 2 to 4, a preferred embodiment of the adjustable film tearing structure 1 of the present invention mainly includes an upper film peeling member 2, a left supporting frame 3, a left positioning plate 4, a right supporting frame 5 and a right positioning plate 6, wherein the upper film peeling member 2 further includes an upper wheel set 23, a middle wheel set 24 and a lower wheel set 25. The upper wheel set 23 includes a first upper wheel rod 231 and a second upper wheel rod 232 which are spaced and parallel and rotate in opposite directions; the lower wheel set 25 includes a first lower wheel bar 251 and a second lower wheel bar 252 which are spaced and arranged in parallel and rotate in opposite directions, the upper and lower ends of the first belts 21 which are spaced and arranged in parallel respectively surround the first upper wheel bar 231 and the first lower wheel bar 251, and the upper and lower ends of the second belts 22 which are spaced and arranged in parallel respectively surround the second upper wheel bar 232 and the second lower wheel bar 252. The middle wheel set 24 is located in front of the middle of the upper wheel set 23 and the lower wheel set 25, the middle wheel set 24 includes a first middle wheel rod 241, a second middle wheel rod 242 and a third middle wheel rod 243 which are arranged in parallel at intervals, the first middle wheel rod 241 is accommodated in the first belt 21, the second middle wheel rod 242 is accommodated in the second belt 22, the third middle wheel rod 243 presses the second belt 22 forwards and transversely, the three wheel rods are arranged in parallel at intervals horizontally, and the first middle wheel rod 241, the second middle wheel rod 242 and the third middle wheel rod 243 respectively press the middle positions of the plurality of first belts 21 and the plurality of second belts 22, so that the plurality of first belts 21 and the plurality of second belts 22 extend upwards and obliquely from the front end direction of the film stripping machine 10 and then extend upwards towards the rear end direction of the film stripping machine 10 at an obtuse angle.
The left support frame 3 is a rectangular bending plate, the bottom edge of the left support frame 3 is connected to the upper side of a left support plate 101 on the left side of the film stripping machine 10, a long-strip-shaped left guide groove 31 is formed in the plate surface of the left support frame 3, an upper guide groove 32 and a lower guide groove 33 are respectively formed in the upper end and the lower end of the left guide groove 31, the upper guide groove 32, the lower guide groove 33 and the left guide groove 31 are parallel to each other, and one side of the left support frame 3 is bent to form a second bending plate 34.
The left positioning plate 4 is a rectangular bending plate, the plate surface of the left positioning plate 4 is provided with a first left positioning hole 41, a second left positioning hole 42 and a third left positioning hole 43 which are arranged at intervals in the horizontal direction, one side of the left positioning plate 4 is bent to form a first bending plate 44, and when the left positioning plate 4 is tightly attached to the left supporting frame 3, the first bending plate 44 and the second bending plate 34 are parallel to each other. One end of a bolt is connected to the plate surface of the first bending plate 44, and the other end of the bolt is locked by a nut after passing through the second bending plate 34, so that the first bending plate 44 and the second bending plate 34 keep a certain distance; in practice, the first bending plate 44 may also have a nut on the plate surface, and after the bolt sequentially passes through the second bending plate 34 and the first bending plate 44, the head of the bolt is rotated to adjust and fix the horizontal distance between the first bending plate 44 and the second bending plate 34; the combination of the bolt and nut is configured as a retainer 45.
The left end of the first middle wheel rod 241, the left end of the second middle wheel rod 242 and the left end of the third middle wheel rod 243 respectively pass through the first left positioning hole 41, the second left positioning hole 42 and the third left positioning hole 43 of the left positioning plate 4, and then simultaneously pass through the elongated left guide groove 31 of the left support frame 3, the left end of each middle wheel rod is respectively sleeved by a left lantern ring 7, the upper and lower ends of the three left lantern rings 7 respectively pass through the upper guide groove 32 and the lower guide groove 33 by screws, so as to connect the left support frame 3 and the left positioning plate 4 together, and simultaneously, the left positioning plate 4, the left end of the first middle wheel rod 241, the left end of the second middle wheel rod 242 and the left end of the third middle wheel rod can be horizontally moved forwards or backwards relative to the left support frame 3 and then positioned.
The right support frame 5 and the left support frame 3 have corresponding shapes, the right positioning plate 6 and the left positioning plate 4 have corresponding shapes, and the right support frame 5 and the right positioning plate 6 are respectively connected and fixed to the left side and the right side of the film stripping machine 10, so that the right positioning plate 6, the right end of the first middle wheel rod 241, the right end of the second middle wheel rod 242 and the right end of the third middle wheel rod 243 can be positioned after being horizontally moved forwards or backwards relative to the right support frame 5. After the left positioning plate 4, the left end of the first middle wheel bar 241, the left end of the second middle wheel bar 242 and the left end of the third middle wheel bar 243 are synchronously moved and positioned, the tightness or adjacent gaps between the first belts 21 and the second belts 22 can be adjusted to maintain a proper clamping force, so as to effectively clamp the film 111 and smoothly drive the film 111 to move.
In another embodiment, the left and right ends of the third middle wheel bar 243 can also be fixed on the left support frame 3 and the right support frame 5, and in practice, the left and right ends of the third middle wheel bar 243 can also be directly fixed on the left and right sides of the film stripping machine 10. The left positioning plate 4 has a first left positioning hole 41 and a second left positioning hole 42 for correspondingly positioning the left end of the first middle wheel bar 241 and the left end of the second middle wheel bar 242, and the right positioning plate 6 has a first right positioning hole 61 and a second right positioning hole 62 for correspondingly positioning the right end of the first middle wheel bar 241 and the right end of the second middle wheel bar 242, so that the left positioning plate 4 can be positioned on the left support frame 3 after being horizontally moved relative to the left support frame 3, and the right positioning plate 6 can be positioned on the right support frame 4 after being horizontally moved relative to the right support frame 4. In addition, the first middle wheel bar 241, the second middle wheel bar 242 and the third middle wheel bar 243 can also move horizontally relative to the left support frame 3 and the right support frame 5 independently and are fixed on the upper left support frame 3 and the right support frame 5 independently, and the tightness or adjacent gaps between the plurality of first belts 21 and the plurality of second belts 22 can also be adjusted.
Therefore, the utility model has the advantages of it is following:
1. the utility model discloses a wheel pole can independent horizontal migration in wheel pole, second and the third in wheel pole in first, or wheel pole horizontal migration simultaneously in wheel pole and the second in first, or wheel pole horizontal migration simultaneously in the three, consequently, can change the degree of closure or adjacent clearance between a plurality of first belts and a plurality of second belts as required to keep suitable centre gripping strength, with effectual film and smooth and easy drive film removal of cliping.
2. The utility model discloses can be through a locating piece with the relative horizontal distance between adjustment and the fixed stay frame and the locating plate, consequently, can be more convenient and accurate in the first horizontal migration distance of taking turns pole in wheel pole, second and the third in the control to can be after the wheel pole removes the location in three, can effectively avoid removing once more because of the oppression that receives each belt, thereby make in three wheel pole can form firm support.
In summary, according to the disclosure above, the present invention can achieve the desired objective by providing an adjustable film tearing structure capable of adjusting the clamping force between the belts to effectively clamp the film and smoothly drive the film to move, and allowing each middle wheel rod to form a stable support.
It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Claims (9)
1. An adjustable film peeling structure for peeling a thin film on a film peeling machine, wherein one end of an input thin film is defined as the front end of the film peeling machine, the other end of an output thin film is defined as the rear end of the film peeling machine, the front end of the film peeling machine is provided with a front conveying section, the front conveying section is used for conveying the thin film to move along the conveying direction from the front end to the rear end, a blocking unit and a clamping unit are used for blocking and positioning in the process of conveying the thin film, a group of embossing wheels are used for rolling on the surface of the thin film in the process of conveying the thin film, the thin film is conveyed backwards along the rear conveying section, a plurality of first belts and a plurality of second belts of an upper film peeling part are clamped to peel the thin film above the thin film, and the adjustable film peeling structure is characterized in that:
the adjustable film tearing structure comprises an upper film stripping piece, an upper wheel set, a middle wheel set and a lower wheel set, wherein the upper wheel set comprises a first upper wheel rod and a second upper wheel rod which are arranged side by side at intervals and rotate in opposite directions, the lower wheel set comprises a first lower wheel rod and a second lower wheel rod which are arranged side by side at intervals and rotate in opposite directions, two ends of a plurality of first belts respectively surround the first upper wheel rod and the first lower wheel rod, and two ends of a plurality of second belts respectively surround the second upper wheel rod and the second lower wheel rod; the middle wheel set comprises a first middle wheel rod, a second middle wheel rod and a third middle wheel rod, and the first middle wheel rod, the second middle wheel rod and the third middle wheel rod respectively press the middle sections of the first belts and the second belts, so that the first belts and the second belts extend upwards in the front end direction of the film stripping machine and then extend upwards in the rear end direction of the film stripping machine at an angle; and
one side of the film stripping machine is provided with a left support frame, the other side of the film stripping machine is provided with a right support frame, the left and right ends of the first middle wheel rod, the second middle wheel rod and the third middle wheel rod are respectively connected with the left support frame and the right support frame, and the second middle wheel rod and/or the third middle wheel rod can be horizontally moved forwards or backwards and then positioned relative to the first middle wheel rod.
2. The adjustable film peeling structure as claimed in claim 1, further comprising a left positioning plate and a right positioning plate, wherein the left positioning plate can be connected to the left supporting frame in a relatively horizontally moved and positioned manner, the left positioning plate has a first left positioning hole and a second left positioning hole, the first left positioning hole and the second left positioning hole are respectively used for correspondingly positioning the left end of the first middle wheel bar and the left end of the second middle wheel bar; the right positioning plate can be connected with the right supporting frame in a mode of positioning after relative horizontal movement, and is provided with a first right positioning hole and a second right positioning hole which are used for correspondingly positioning the right end of the first middle wheel rod and the right end of the second middle wheel rod.
3. The adjustable film tearing structure of claim 2, wherein the left support frame has a left guide slot, and the left end of the first middle wheel rod and the left end of the second middle wheel rod simultaneously pass through the left guide slot and are fixed to the left support frame by at least one left collar.
4. An adjustable film peeling structure for peeling a thin film on a film peeling machine, wherein one end of an input thin film is defined as a front end of the film peeling machine, the other end of an output thin film is defined as a rear end of the film peeling machine, the front end of the film peeling machine is provided with a front conveying section for conveying the thin film to move along a conveying direction from the front end to the rear end, a blocking unit and a clamping unit are used for blocking and positioning in the process of conveying the thin film, a group of embossing wheels are used for rolling on the surface of the thin film in the process of conveying the thin film, the thin film is conveyed backwards along the rear conveying section, a plurality of first belts and a plurality of second belts of an upper film peeling piece are clamped to peel the thin film above the thin film, and the adjustable film peeling structure is characterized in that:
the adjustable film tearing structure comprises an upper film stripping piece, an upper wheel set, a middle wheel set and a lower wheel set, wherein the upper wheel set comprises a first upper wheel rod and a second upper wheel rod which are arranged side by side at intervals and rotate in opposite directions, the lower wheel set comprises a first lower wheel rod and a second lower wheel rod which are arranged side by side at intervals and rotate in opposite directions, two ends of a plurality of first belts respectively surround the first upper wheel rod and the first lower wheel rod, and two ends of a plurality of second belts respectively surround the second upper wheel rod and the second lower wheel rod; the middle wheel set comprises a first middle wheel rod, a second middle wheel rod and a third middle wheel rod which are arranged in parallel at intervals, and the first middle wheel rod, the second middle wheel rod and the third middle wheel rod respectively press the middle sections of the first belts and the second belts so as to enable the first belts and the second belts to extend upwards in the front end direction of the film stripping machine and then extend upwards in the rear end direction of the film stripping machine at an angle; and
one side of this membrane stripping machine is equipped with a left branch strut, and the opposite side of this membrane stripping machine is equipped with a right branch strut, and this left branch strut and this right branch strut are connected respectively to the left and right both ends of this wheel pole in wheel pole, this second in the first, this third in the wheel pole, and this wheel pole can be simultaneously for this left branch strut and this right branch strut forward or backward horizontal migration back location in this second.
5. The adjustable film peeling structure as claimed in claim 4, further comprising a left positioning plate and a right positioning plate, wherein the left positioning plate can be connected to the left supporting frame in a relatively horizontally moved and positioned manner, the left positioning plate has a first left positioning hole, a second left positioning hole and a third left positioning hole, the first left positioning hole, the second left positioning hole and the third left positioning hole are respectively used for correspondingly positioning the left end of the first middle wheel bar, the left end of the second middle wheel bar and the left end of the third middle wheel bar; the right positioning plate can be connected with the right support frame in a mode of relative horizontal movement and positioning, the right positioning plate is provided with a first right positioning hole, a second right positioning hole and a third right positioning hole, and the first right positioning hole, the second right positioning hole and the third right positioning hole are respectively used for correspondingly positioning the right end of the first middle wheel rod, the right end of the second middle wheel rod and the right end of the third middle wheel rod.
6. The adjustable film tearing structure of claim 5, wherein the left support frame has a left guide slot, and the left end of the first middle wheel bar, the left end of the second middle wheel bar and the left end of the third middle wheel bar simultaneously pass through the left guide slot and are fixed to the left support frame by at least one left collar.
7. The adjustable film tearing structure according to claim 3 or 6, wherein the left support frame further comprises an upper guide groove and a lower guide groove, the upper guide groove and the lower guide groove are respectively parallel to the left guide groove and respectively located at the upper end and the lower end of the left guide groove; the upper end and the lower end of the at least one left lantern ring respectively penetrate through the upper guide groove and the lower guide groove through at least one screw to be connected with the left positioning plate.
8. The adjustable film tearing structure according to claim 3 or 6, further comprising a positioning member, wherein the positioning member connects the left supporting frame and the left positioning plate, and the left positioning plate can be positioned on the left supporting frame after moving horizontally relative to the left supporting frame.
9. The adjustable film tearing structure of claim 8, wherein one side of the left positioning plate has a first bending plate, one side of the left supporting frame has a second bending plate, one end of the positioning member is connected to the first bending plate, the other end of the positioning member is connected to the second bending plate, and the positioning member is a combination of a bolt and a nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021650166.5U CN214125642U (en) | 2020-08-10 | 2020-08-10 | Adjustable film tearing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021650166.5U CN214125642U (en) | 2020-08-10 | 2020-08-10 | Adjustable film tearing structure |
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| Publication Number | Publication Date |
|---|---|
| CN214125642U true CN214125642U (en) | 2021-09-03 |
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| CN202021650166.5U Active CN214125642U (en) | 2020-08-10 | 2020-08-10 | Adjustable film tearing structure |
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| CN (1) | CN214125642U (en) |
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- 2020-08-10 CN CN202021650166.5U patent/CN214125642U/en active Active
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