Automatic BOPP film cutting mechanism
By designing a BOPP film automatic film cutting mechanism including positioning, extrusion, stretching and rotating mechanisms, the problem of automated continuous cutting and film prone to wrinkles in the prior art is solved, and an efficient and high-quality automatic film cutting process is achieved.
Patent Information
- Application Number
- CN202421374416.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-17
- Publication Date
- 2025-05-09
- Estimated Expiration
- 2034-06-17
AI Technical Summary
The existing BOPP film automatic cutting mechanism cannot achieve automated continuous and automatic cutting, and the film folds are easily caused during the cutting process.
An automatic membrane cutting mechanism including a support frame, a placing plate, a BOPP film positioning mechanism, an extrusion mechanism, a rotating mechanism and a stretching mechanism are designed. The mechanism automatically transmits the position through the BOPP film positioning mechanism, fixes and stretches the film using an extrusion and stretching mechanism, and combines a rotating mechanism to achieve automatic cutting of the film.
Automatic continuous cutting of BOPP films is realized, avoiding the problem of film folds, and improving production efficiency and product quality.
Smart Images
Figure CN222844172U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field related to biaxially oriented polypropylene films, in particular to an automatic film cutting mechanism for BOPP films. Background Art
[0002] Biaxially oriented polypropylene film (BOPP) is a plastic film made by coextruding polypropylene particles into sheets and then stretching them in both the longitudinal and transverse directions. BOPP film not only has the advantages of high tensile strength, good barrier properties, high transparency, but also has simple manufacturing process and reasonable price. Therefore, it is widely used in the packaging of food, cigarettes, textiles and other items, and is known as the "Queen of Packaging". At present, BOPP film needs to be cut during production. For this reason, we propose an automatic film cutting mechanism for BOPP film.
[0003] The currently used automatic film cutting mechanism for BOPP film cannot realize automatic continuous cutting when cutting the film. At the same time, the BOPP film is prone to wrinkles when cutting the film. Utility Model Content
[0004] The utility model aims to provide an automatic film cutting mechanism for BOPP film, so as to solve the problem that the automatic film cutting mechanism for BOPP film currently used mentioned in the above background technology cannot realize automatic continuous cutting when cutting the film, and the BOPP film is prone to wrinkles when cutting the film.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an automatic BOPP film cutting mechanism, comprising a support frame and a placement plate, a fixing frame is fixedly installed on one side above the outer wall of the support frame, a BOPP film positioning mechanism is fixedly installed on one side above the outer wall of the support frame, a retractable and movable BOPP film squeezing mechanism is provided on one side above the inner wall of the support frame, the placement plate is fixedly installed at a position above the outer wall of the support frame, a rotatable and movable rotating mechanism is provided on one side above the outer wall of the placement plate, a retractable and movable BOPP film stretching mechanism is fixedly installed on the other side above the outer wall of the placement plate, a film cutting knife is fixedly installed on one side of the outer wall of the rotating mechanism, and a placement groove is fixedly installed at the lower side of one side of the outer wall of the film cutting knife.
[0006] Preferably, the BOPP film positioning mechanism includes an external plate, a side positioning block, an insert rod, a side connecting block, a concave connecting block, a connecting block and a threaded rod, the external plate is fixedly mounted on one side above the outer wall of the support frame, a side positioning block is fixedly mounted on one side of the outer wall of the external plate, an insert rod is welded and mounted on one side of the outer wall of the side positioning block, a movable side connecting block is provided on the other side of the outer wall of the external plate, a concave connecting block is fixedly mounted on one side of the outer wall of the side connecting block, the side connecting block is slidably connected to the external plate via a connecting block, and the connecting block is threadedly connected to the external plate via a threaded rod.
[0007] Preferably, the BOPP film extrusion mechanism includes a first hydraulic cylinder, a first hydraulic rod, a fixed plate, an insert and an extrusion pad. The first hydraulic cylinder is fixedly installed on one side above the outer wall of the fixed frame. The output end of the first hydraulic cylinder is provided with a first hydraulic rod. A fixed plate is movably connected to the lower part of the outer wall of the first hydraulic rod. Inserts are welded and installed on both sides of the lower part of the outer wall of the fixed plate.
[0008] Preferably, the rotating mechanism includes a driving motor, a rotating shaft and a printing roller, the driving motor is fixedly mounted on the front side of the outer wall of the placement plate, the output end of the driving motor is provided with a rotating shaft, and the outer surface of the rotating shaft is provided with a printing roller of matching size.
[0009] Preferably, the BOPP film stretching mechanism includes a second hydraulic cylinder, a second hydraulic rod, a push plate, a slide block and a slot, the second hydraulic cylinder is fixedly installed on the other side of the outer wall of the placement plate, the output end of the second hydraulic cylinder is provided with a second hydraulic rod, one side of the outer wall of the second hydraulic rod is provided with a push plate of matching size, a slide block is welded and installed at the center of the upper outer wall of the push plate, and slots are opened on both sides of the upper outer wall of the push plate.
[0010] Preferably, the insert pieces are connected to the propulsion plate by means of slots, and the insert pieces are evenly spaced on the fixing plate.
[0011] Compared with the prior art, the beneficial effects of the utility model are:
[0012] 1. The BOPP film automatic film cutting mechanism is equipped with a BOPP film positioning mechanism and a rotating mechanism, so that the position of the BOPP film can be automatically transmitted, thereby facilitating multiple film cutting processes for the BOPP film.
[0013] 2. The BOPP film automatic film cutting mechanism is provided with a BOPP film squeezing mechanism and a BOPP film stretching mechanism, so that the position of the BOPP film can be squeezed and fixed, and the position of the BOPP film can be stretched, and the position of the BOPP film can be acted on the film cutting knife at the same time, so that the BOPP film can be automatically cut. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 This is a schematic diagram of the front view structure of the utility model;
[0015] Figure 2 This is a schematic diagram of the structure of the BOPP film positioning mechanism of the utility model;
[0016] Figure 3 This is a schematic diagram of the structure of the BOPP film extrusion mechanism of the utility model;
[0017] Figure 4 This is a schematic diagram of the structure of the rotating mechanism of the utility model;
[0018] Figure 5 This is a schematic diagram of the structure of the BOPP film stretching mechanism of the utility model.
[0019] In the figure: 1. support frame; 2. fixed frame; 3. BOPP film positioning mechanism; 301. external plate; 302. side positioning block; 303. plug rod; 304. side connection block; 305. concave connection block; 306. connection block; 307. threaded rod; 4. BOPP film extrusion mechanism; 401. first hydraulic cylinder; 402. first hydraulic rod; 403. fixed plate; 404. plug; 405. extrusion pad; 5. placement plate; 6. rotating mechanism; 601. drive motor; 602. rotating shaft; 603. printing roller; 7. BOPP film stretching mechanism; 701. second hydraulic cylinder; 702. second hydraulic rod; 703. push plate; 704. slide block; 705. slot opening; 8. film cutting knife; 9. placement slot. DETAILED DESCRIPTION
[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0021] See also Figure 1-5The utility model provides a technical solution: a BOPP film automatic film cutting mechanism, including a support frame 1 and a placement plate 5, a fixing frame 2 is fixedly installed on one side above the outer wall of the support frame 1, a BOPP film positioning mechanism 3 is fixedly installed on one side above the outer wall of the support frame 1, the BOPP film positioning mechanism 3 includes an external plate 301, a side positioning block 302, a plug 303, a side connection block 304, a concave connection block 305, a connection block 306 and a threaded rod 307, the external plate 301 is fixedly installed on one side above the outer wall of the support frame 1, a side positioning block 302 is fixedly installed on one side of the outer wall of the external plate 301, and a plug 303 is welded and installed on one side of the outer wall of the side positioning block 302, A movable side connection block 304 is provided on the other side of the outer wall of the external connection plate 301, and a concave connection block 305 is fixedly installed on one side of the outer wall of the side connection block 304. The side connection block 304 is slidably connected to the external connection plate 301 through a connection block 306, and the connection block 306 is threadedly connected to the external connection plate 301 through a threaded rod 307. The BOPP film is placed on the surface of the external connection plate 301, and the connection block 306 is moved to drive the concave connection block 305 installed on the outer wall of the side connection block 304 to move, so that it can be fixed on one side of the surface of the BOPP film, and the threaded rod 307 is rotated to fix it in the inner wall of the connection block 306, so that the position of the BOPP film can be positioned;
[0022] A retractable and movable BOPP film squeezing mechanism 4 is provided on one side above the inner wall of the support frame 1. The BOPP film squeezing mechanism 4 includes a first hydraulic cylinder 401, a first hydraulic rod 402, a fixed plate 403, an insert 404 and an extrusion pad 405. The first hydraulic cylinder 401 is fixedly installed on one side above the outer wall of the fixed frame 2. The output end of the first hydraulic cylinder 401 is provided with a first hydraulic rod 402. The lower part of the outer wall of the first hydraulic rod 402 is movably connected with a fixed plate 403. Inserts 404 are welded and installed on both sides of the lower part of the outer wall of the fixed plate 403. Turn on the power supply of the first hydraulic cylinder 401 to drive the fixed plate 403 installed on the outer wall of the first hydraulic rod 402 to perform lifting activities, so that the insert 404 can be driven to be fixed in the inner wall where the groove 705 is provided, so that the extrusion pad 405 can be driven to extrude and fix the BOPP film on the surface of the sliding plate 704;
[0023] The placement plate 5 is fixedly installed on the upper position of the outer wall of the support frame 1. A rotatable rotating mechanism 6 is provided on the upper side of the outer wall of the placement plate 5. The rotating mechanism 6 includes a driving motor 601, a rotating shaft 602 and a printing roller 603. The driving motor 601 is fixedly installed on the front side of the outer wall of the placement plate 5. The output end of the driving motor 601 is provided with a rotating shaft 602. The outer surface of the rotating shaft 602 is provided with a printing roller 603 of matching size. Turn on the power of the driving motor 601 to drive the printing roller 603 installed on the outer surface of the rotating shaft 602 to rotate, so that the left and right positions of the BOPP film can be transmitted;
[0024] A retractable BOPP film stretching mechanism 7 is fixedly installed on the other side above the outer wall of the placement plate 5. The BOPP film stretching mechanism 7 includes a second hydraulic cylinder 701, a second hydraulic rod 702, a push plate 703, a slide block 704 and a slot 705. The second hydraulic cylinder 701 is fixedly installed on the other side above the outer wall of the placement plate 5. The output end of the second hydraulic cylinder 701 is provided with a second hydraulic rod 702. One side of the outer wall of the second hydraulic rod 702 is provided with a push plate 703 of matching size. A slide block 704 is welded and installed at the center of the upper outer wall of the push plate 703. Both sides of the upper outer wall of the push plate 703 are provided with slots 705. Open the second hydraulic cylinder 701. The power supply of the pressure cylinder 701 drives the push plate 703 installed on the outer wall of the second hydraulic rod 702 to extend and retract, so that the BOPP film can be stretched. When stretched to an upright position, the film cutting knife 8 can cut the BOPP film, so that it can fall on the upper position of the placement slot 9 for collection, so that the BOPP film can be automatically cut. The insert 404 is connected with the push plate 703 by the slot 705, and the insert 404 is evenly spaced on the fixed plate 403, so that the position of the BOPP film can be squeezed and fixed, so that the BOPP film can be directly stretched;
[0025] A film cutting knife 8 is fixedly installed on one side of the outer wall of the rotating mechanism 6 , and a placement groove 9 is fixedly installed at the lower part of one side of the outer wall of the film cutting knife 8 .
[0026] Working principle: first, place the device at the designated position, place the BOPP film on the surface of the external plate 301, move the connecting block 306 to drive the concave connecting block 305 installed on the outer wall of the side connecting block 304 to move, so that it can be fixed on one side of the surface of the BOPP film, rotate the threaded rod 307 to fix it on the inner wall of the connecting block 306, so that the position of the BOPP film can be positioned, turn on the power of the driving motor 601, so that it drives the printing roller 603 installed on the outer surface of the rotating shaft 602 to rotate, so that the left and right positions of the BOPP film can be transmitted to the upper position of the sliding plate block 704, turn on the power of the first hydraulic cylinder 401, so that it drives the first hydraulic The fixing plate 403 installed on the outer wall of the rod 402 is lifted and lowered, which can drive the insert 404 to be fixed in the inner wall of the groove 705, so that the squeezing pad 405 can be driven to squeeze and fix the BOPP film on the surface of the sliding plate 704, and the power of the second hydraulic cylinder 701 is turned on to drive the pushing plate 703 installed on the outer wall of the second hydraulic rod 702 to extend and retract, so that the BOPP film can be stretched. When stretched to an upright position, the film cutting knife 8 can cut the BOPP film, so that it can fall on the upper position of the placement slot 9 for collection, so that the BOPP film can be automatically cut, thus completing the operation process of an automatic film cutting mechanism for BOPP film.
[0027] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A BOPP film automatic film cutting mechanism, characterized in that: The invention comprises a support frame (1) and a placement plate (5), wherein a fixing frame (2) is fixedly mounted on one side above the outer wall of the support frame (1), a BOPP film positioning mechanism (3) is fixedly mounted on one side above the outer wall of the support frame (1), a retractable and movable BOPP film squeezing mechanism (4) is provided on one side above the inner wall of the support frame (1), the placement plate (5) is fixedly mounted at a position above the outer wall of the support frame (1), a rotatable and movable rotating mechanism (6) is provided on one side above the outer wall of the placement plate (5), a retractable and movable BOPP film stretching mechanism (7) is fixedly mounted on the other side above the outer wall of the placement plate (5), a film cutting knife (8) is fixedly mounted on one side of the outer wall of the rotating mechanism (6), and a placement groove (9) is fixedly mounted below one side of the outer wall of the film cutting knife (8).
2. The BOPP film automatic film cutting mechanism according to claim 1, characterized in that: The BOPP film positioning mechanism (3) comprises an external plate (301), a side positioning block (302), an insertion rod (303), a side connection block (304), a concave connection block (305), a connecting block (306) and a threaded rod (307); the external plate (301) is fixedly mounted on one side above the outer wall of the support frame (1); the side positioning block (302) is fixedly mounted on one side of the outer wall of the external plate (301); the insertion rod (303) is welded and mounted on one side of the outer wall of the side positioning block (302); a movable side connection block (304) is provided on the other side of the outer wall of the external plate (301); the concave connection block (305) is fixedly mounted on one side of the outer wall of the side connection block (304); the side connection block (304) is slidably connected to the external plate (301) via the connecting block (306); and the connecting block (306) is threadedly connected to the external plate (301) via the threaded rod (307).
3. The automatic BOPP film cutting mechanism according to claim 1, characterized in that: The BOPP film extrusion mechanism (4) comprises a first hydraulic cylinder (401), a first hydraulic rod (402), a fixed plate (403), an insert (404) and an extrusion pad (405); the first hydraulic cylinder (401) is fixedly mounted on one side above the outer wall of the fixed frame (2); the first hydraulic rod (402) is disposed at the output end of the first hydraulic cylinder (401); the fixed plate (403) is movably connected to the lower part of the outer wall of the first hydraulic rod (402); and the inserts (404) are welded and mounted on both sides of the lower part of the outer wall of the fixed plate (403).
4. The automatic BOPP film cutting mechanism according to claim 1, characterized in that: The rotating mechanism (6) comprises a driving motor (601), a rotating shaft (602) and a printing roller (603); the driving motor (601) is fixedly mounted on the front side of the outer wall of the placement plate (5); the output end of the driving motor (601) is provided with a rotating shaft (602); and the outer surface of the rotating shaft (602) is provided with a printing roller (603) of matching size.
5. The automatic BOPP film cutting mechanism according to claim 1, characterized in that: The BOPP film stretching mechanism (7) comprises a second hydraulic cylinder (701), a second hydraulic rod (702), a push plate (703), a slide block (704) and a slot (705); the second hydraulic cylinder (701) is fixedly mounted on the other side above the outer wall of the placement plate (5); a second hydraulic rod (702) is arranged at the output end of the second hydraulic cylinder (701); a push plate (703) of matching size is arranged on one side of the outer wall of the second hydraulic rod (702); a slide block (704) is welded and mounted at the center above the outer wall of the push plate (703); and slots (705) are arranged on both sides above the outer wall of the push plate (703).
6. The automatic BOPP film cutting mechanism according to claim 3, characterized in that: The inserting pieces (404) are connected to the propulsion plate (703) by means of slots (705), and the inserting pieces (404) are arranged on the fixing plate (403) at equal intervals.