Edge cutting device for air bubble film processing

By introducing a crushing knife into the bubble film edge cutting device, the poor edge cutting effect caused by the difficulty of collecting scraps in the prior art is solved, and a more efficient scrap storage and stable edge cutting process is achieved.

CN223029823UActive Publication Date: 2025-06-27SUZHOU JINBAI NEW MATERIAL TECH CO LTD
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Patent Information

Application Number
CN202422255431.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-14
Publication Date
2025-06-27
Estimated Expiration
2034-09-14

AI Technical Summary

Technical Problem

The existing bubble film edge cutting device is not convenient to collect scraps after cutting, which may cause scraps to be blocked or wrapped around the cutting knife, affecting the edge cutting effect.

Method used

A cutting device for bubble film processing is designed, including the cutting machine body, a support plate, a winding roller and a fixing component. The rotating rod is driven by the motor to drive the crushing knife to rotate at high speed, so as to achieve rapid crushing and collection of the scraps of bubble film.

Benefits of technology

It effectively avoids the situation where the bubble film scraps are blocked by the cutting knife, reduces the strain and winding phenomenon during cutting edges, improves the storage capacity and efficiency of the scraps, and brings convenience to staff when using them.

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Abstract

The utility model discloses an edge cutting device for air bubble film processing, which comprises an edge cutting machine body, supporting plates are symmetrically arranged at one end of the edge cutting machine body, a connecting frame is arranged at the bottom end of the edge cutting machine body, a wind-up roller is arranged on the inner side of each supporting plate, and a belt wheel is arranged on one side of each supporting plate; a collecting mechanism is arranged at the bottom end of the connecting frame, and fixing assemblies are symmetrically arranged at the two ends of the winding roller. Wherein the collecting mechanism comprises a moving box arranged at the bottom end of the edge trimmer body, and an inner gear ring is mounted on the inner side of the moving box, so that the effect of rapidly collecting and crushing the leftover materials of the air bubble film can be achieved, the effect of crushing the leftover materials by utilizing a crushing cutter is achieved, and the occupied space of the leftover materials of the air bubble film can be greatly reduced; and therefore, the storage capacity and efficiency of the bubble film leftover materials are greatly improved, the phenomenon that the bubble film leftover materials block a cutter in the edge trimmer body can be effectively avoided, and the phenomenon that the bubble film is strained and wound during edge trimming is reduced.
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Description

Technical Field

[0001] The utility model relates to the technical field of bubble film production, in particular to a trimming device for bubble film processing. Background Art

[0002] Bubble film is a packaging material that uses high-pressure polyethylene as the main raw material, with whitening agents, opening agents and other auxiliary materials added. It is extruded and blown at a high temperature of about 230 degrees to form bubbles. During the production process of bubble film, after the bubble film is formed, it needs to be trimmed using a trimming device.

[0003] Announcement No. CN219971382U discloses a trimming device for a bubble film machine. The device arranges a bubble film guide roller group in a support plate so that the bubble film is connected to a winding mechanism through the bubble film guide roller group. During the bubble film winding process, the adjustment mechanism on the support plate can adjust the bubble film cutting range, and the cutter is connected to the driving mechanism, so that the cutter can rotate to achieve the purpose of cutting the bubble film, thereby improving the cutting effect and preventing the bubble film from being stretched. However, the patent still has the following problems in actual use:

[0004] The device can adjust the bubble film cutting range through the adjustment mechanism on the support plate, and the cutter is connected to the driving mechanism, so that the cutter can rotate to achieve the purpose of cutting the bubble film, thereby improving the cutting effect to prevent the bubble film from being strained. However, the device is not convenient for collecting the leftovers of the bubble film after cutting, which may cause the leftovers of the bubble film to clog and entangle the cutter after the bubble film is cut, which may cause the cutter to fail to operate effectively and result in poor bubble film cutting effect, causing inconvenience to the staff when using it.

[0005] A trimming device for processing bubble films is proposed to solve the above-mentioned problems. Utility Model Content

[0006] The utility model aims to provide a trimming device for processing bubble film, so as to solve the problem proposed in the above-mentioned background technology that the cutting range of the bubble film can be adjusted by an adjustment mechanism on a support plate, and the cutter is connected to a driving mechanism so that the cutter can rotate to achieve the purpose of cutting the bubble film, thereby improving the cutting effect and preventing the bubble film from being strained. However, the device is not convenient for collecting the leftovers of the bubble film after cutting, which may cause the leftovers of the bubble film to clog and entangle the cutter after trimming, and may cause the cutter to fail to operate effectively, resulting in a poor trimming effect of the bubble film, which brings inconvenience to the staff when using it.

[0007] To achieve the above object, the utility model provides the following technical solution: A trimming device for bubble film processing, including a trimming machine body, on one end of the trimming machine body, support plates are symmetrically installed, and a connecting frame is installed at the bottom end of the trimming machine body. Moreover, a winding roller is arranged inside the support plates, and a belt pulley is arranged on one side of the support plates; A collection mechanism is arranged at the bottom end of the connecting frame, and fixing components are symmetrically arranged at both ends of the winding roller;

[0008] Among them, the collection mechanism includes a moving box arranged at the bottom end of the trimming machine body. An internal gear ring is installed inside the moving box. One side of the moving box is internally rotatably connected with a rotating rod. Moreover, a rotating frame is installed on the outer side of one end of the rotating rod. And a motor is installed at the end of the rotating rod away from the rotating frame. Moreover, rotating rods are rotatably connected inside the rotating frame. And an annular groove is opened inside one side of the moving box. And one end of the rotating rod is slidably connected between the inner sides of the annular groove. And a toothed disc is installed on the outer side of the end of the rotating rod close to the internal gear ring. And the toothed disc is meshed and connected between the inner sides of the internal gear ring. Moreover, fixing sleeves are installed on the outer sides of the rotating rods. And crushing knives are installed on the outer sides of the fixing sleeves.

[0009] Preferably, fixing plates are symmetrically installed on both sides of the top end of the moving box. A pushing frame is slidably connected inside the fixing plates. Moreover, a contraction rod is installed inside the pushing frame. And a first telescopic spring is sleeved on the outer side of the contraction rod. And insertion blocks are installed at one end of the pushing frame. And the insertion blocks are inserted into the connecting frame.

[0010] Preferably, the fixing component includes a connecting rod rotatably connected inside the support plate. Insertion plates are symmetrically installed at both ends of the winding roller. And the insertion plates are inserted into the inner part of one end of the connecting rod. Moreover, a fixing box is installed inside one side of the connecting rod. And fixing rods are symmetrically installed inside the fixing box. And a sliding plate is slidably connected on the outer side of the fixing rods. Moreover, a sliding rod is installed on one side of the sliding plate. And one end of the sliding rod penetrates through the fixing box and is slidably connected with the fixing box. And a second telescopic spring is sleeved on the outer side of the fixing rods. Moreover, moving rods are symmetrically installed on one side of the sliding plate. And a toothed plate is installed at one end of the moving rod. And one side of the toothed plate is inserted into the insertion plate. And a pull ring is installed at the end of the sliding rod away from the sliding plate.

[0011] Preferably, an outlet is opened inside the bottom end of the moving box. And a blocking block is detachably connected inside the outlet.

[0012] Preferably, the moving rod is slidably connected inside the fixing box.

[0013] Preferably, one end of the connecting rod is fixedly connected with the belt pulley.

[0014] Preferably, one end of the contraction rod is fixedly connected with the fixing plate.

[0015] Compared with the prior art, the beneficial effects of the present utility model are as follows: For a trimming device for bubble film processing, the specific content is as follows: By the staff starting the motor to drive the rotation of the rotating rod, the rotation of the rotating rod drives the rotation of the rotating frame, the rotation of the rotating frame drives the rotation of multiple rotating rods. At this time, one end of the rotating rod slides inside the annular groove. At this time, the toothed disc meshes with the inner side of the internal gear ring, and then drives the rotation of multiple rotating rods through the toothed disc. Further, drives the rotation of multiple crushing knives through the rotating rods, so as to be able to quickly crush the bubble film scraps by the high-speed rotation of the crushing knives, so as to achieve the effect of quickly collecting and crushing the bubble film scraps, and using the crushing knives to crush the scraps, so as to be able to greatly reduce the space occupied by the bubble film scraps, and then greatly improve the storage capacity and efficiency of the bubble film scraps, and can effectively avoid the phenomenon that the bubble film scraps block the cutting knife inside the trimming machine body, reduce the phenomenon of pulling and winding when trimming the bubble film, and bring convenience to the staff during use. By the staff inserting the plug board into the inside of the connecting rod, and then driving the sliding plate to slide on the fixed rod by pulling the sliding rod, at this time the second telescopic spring contracts. Through the tension generated by the second telescopic spring, the teeth on one side of the toothed plate can be inserted into the plug board, so as to achieve the effect of quickly fixing and limiting the winding roller, and then facilitate the staff to replace the winding roller, greatly improving the trimming and winding efficiency of the bubble film.

[0016] 1. After the trimming machine body trims the bubble film, at this time the bubble film scraps fall into the moving box through the connecting frame. Then, by the staff starting the motor to drive the rotation of the rotating rod, the rotation of the rotating rod drives the rotation of the rotating frame, the rotation of the rotating frame drives the rotation of multiple rotating rods. At this time, one end of the rotating rod slides inside the annular groove. At this time, the toothed disc meshes with the inner side of the internal gear ring, and then drives the rotation of multiple rotating rods through the toothed disc. Further, drives the rotation of multiple crushing knives through the rotating rods, so as to be able to quickly crush the bubble film scraps by the high-speed rotation of the crushing knives, so as to achieve the effect of quickly collecting and crushing the bubble film scraps, and using the crushing knives to crush the scraps, so as to be able to greatly reduce the space occupied by the bubble film scraps, and then greatly improve the storage capacity and efficiency of the bubble film scraps, and can effectively avoid the phenomenon that the bubble film scraps block the cutting knife inside the trimming machine body, reduce the phenomenon of pulling and winding when trimming the bubble film, and bring convenience to the staff during use. By the staff moving the moving box to the bottom of the trimming machine body, and then driving the push frame to slide inside the fixed plate, at this time the contraction rod and the first telescopic spring contract. By releasing the push frame, and then through the reset property of the first telescopic spring, the plug block can be quickly inserted into the connecting frame, so as to achieve the effect of quickly positioning the moving box, avoiding the phenomenon that the moving box is offset due to the vibration generated during the operation of the trimming machine body, and greatly improving the stability of the device during use;

[0017] 2. The staff inserts the plug board into the inside of the connecting rod, and then drives the sliding plate to slide on the fixed rod by pulling the sliding rod. At this time, the second telescopic spring contracts, so that the moving rod slides inside the fixed box. By releasing the sliding rod, the tension generated by the second telescopic spring enables the teeth on one side of the tooth plate to be inserted into the plug board, so as to achieve the effect of quickly fixing and limiting the winding roller, and then facilitate the staff to replace the winding roller, greatly improving the edge trimming and winding efficiency of the bubble film. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the present utility model;

[0019] Figure 2 It is a schematic diagram of the overall structure of the collection mechanism in the present utility model;

[0020] Figure 3 It is a sectional view of the overall side view structure of the internal gear ring in the present utility model;

[0021] Figure 4 It is a schematic diagram of the enlarged structure of part A in the present utility model;

[0022] Figure 5 It is a schematic diagram of the enlarged partial top view structure of the fixing component in the present utility model;

[0023] Figure 6 It is a schematic diagram of the enlarged structure of part B in the present utility model;

[0024] Figure 7 It is a schematic diagram of the partial inner side structure of the moving box in the present utility model.

[0025] In the figure: 1. Trimming machine body; 101. Support plate; 102. Connecting frame; 103. Winding roller; 104. Belt pulley; 2. Collection mechanism; 201. Moving box; 202. Internal gear ring; 203. Rotating rod; 204. Rotating frame; 205. Motor; 206. Rotating rod; 2061. Ring groove; 207. Tooth disc; 208. Fixed sleeve; 209. Crushing knife; 210. Fixed plate; 211. Pushing frame; 212. Shrinkage rod; 213. First telescopic spring; 214. Insert block; 215. Outlet; 216. Plug block; 3. Fixing component; 301. Connecting rod; 302. Plug board; 303. Fixed box; 304. Fixed rod; 305. Sliding plate; 306. Sliding rod; 307. Second telescopic spring; 308. Moving rod; 309. Tooth plate; 310. Pulling ring. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0026] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0027] Please refer to Figure 1-7 , the present utility model provides a technical solution: a trimming device for bubble film processing, including a trimming machine body 1. Symmetrically installed on one end of the trimming machine body 1 are support plates 101, and a connecting frame 102 is installed at the bottom end of the trimming machine body 1. And a winding roller 103 is arranged inside the support plate 101, and a belt pulley 104 is arranged on one side of the support plate 101; a collecting mechanism 2 is arranged at the bottom end of the connecting frame 102, and fixing components 3 are symmetrically arranged at both ends of the winding roller 103;

[0028] Among them, the collecting mechanism 2 includes a moving box 201 arranged at the bottom end of the trimming machine body 1. An internal gear ring 202 is installed inside the moving box 201, and a rotating rod 203 is rotatably connected to the inside of one side of the moving box 201. And a rotating frame 204 is installed on the outer side of one end of the rotating rod 203, and a motor 205 is installed at the end of the rotating rod 203 away from the rotating frame 204. And rotating rods 206 are rotatably connected to the inside of the rotating frame 204. And an annular groove 2061 is opened in the inside of one side of the moving box 201, and one end of the rotating rod 206 is slidably connected between the inner sides of the annular groove 2061. And a tooth disc 207 is installed on the outer side of the end of the rotating rod 206 close to the internal gear ring 202, and the tooth disc 207 is meshed and connected between the inner sides of the internal gear ring 202. And fixing sleeves 208 are installed on the outer sides of the rotating rods 206, and crushing knives 209 are installed on the outer sides of the fixing sleeves 208. Thus, the effect of quickly collecting and crushing the corner materials of the bubble film can be achieved, and the effect of crushing the corner materials by the crushing knives 209 can be utilized. Thus, the space occupied by the corner materials of the bubble film can be greatly reduced, and then the storage capacity and efficiency of the corner materials of the bubble film can be greatly improved. And the phenomenon that the cutting knives inside the trimming machine body 1 are blocked by the corner materials of the bubble film can be effectively avoided, and the phenomenon of pulling and winding during the trimming of the bubble film can be reduced, bringing convenience to the staff during use;

[0029] On both sides of the top of the moving box 201, fixing plates 210 are symmetrically installed. A pushing frame 211 is slidably connected inside the fixing plate 210. A contraction rod 212 is installed inside the pushing frame 211. One end of the contraction rod 212 is fixedly connected to the fixing plate 210. A first telescopic spring 213 is sleeved outside the contraction rod 212. Plug blocks 214 are installed at one end of the pushing frame 211. The plug blocks 214 are inserted into the connecting frame 102. Due to the reset property of the first telescopic spring 213, the plug blocks 214 can be quickly inserted into the connecting frame 102, so as to quickly position the moving box 201, avoid the phenomenon that the moving box 201 is offset due to the vibration generated when the edge trimming machine body 1 operates, and greatly improve the stability of the device during use. An outlet 215 is opened inside the bottom end of the moving box 201. A blocking block 216 is detachably connected inside the outlet 215. By inserting the blocking block 216 into the outlet 215, the outlet 215 can be quickly closed and opened, which is convenient for the staff to unload the crushed bubble film corner materials and brings practicality to the staff during use.

[0030] The fixing component 3 includes a connecting rod 301 rotatably connected inside the support plate 101. One end of the connecting rod 301 is fixedly connected to the belt pulley 104. Insertion plates 302 are symmetrically installed at both ends of the winding roller 103. The insertion plates 302 are inserted into the inside of one end of the connecting rod 301. A fixing box 303 is installed inside one side of the connecting rod 301. Fixing rods 304 are symmetrically installed inside the fixing box 303. A sliding plate 305 is slidably connected to the outside of the fixing rod 304. A sliding rod 306 is installed on one side of the sliding plate 305. One end of the sliding rod 306 penetrates through the fixing box 303 and is slidably connected to the fixing box 303. A second telescopic spring 307 is sleeved outside the fixing rod 304. Moving rods 308 are symmetrically installed on one side of the sliding plate 305. The moving rods 308 are slidably connected inside the fixing box 303. A toothed plate 309 is installed at one end of the moving rod 308. One side of the toothed plate 309 is inserted into the insertion plate 302. A pull ring 310 is installed at the end of the sliding rod 306 away from the sliding plate 305. Due to the tension generated by the second telescopic spring 307, the teeth on one side of the toothed plate 309 can be inserted into the insertion plate 302, so as to quickly fix and limit the winding roller 103, and then facilitate the staff to replace the winding roller 103, greatly improving the edge trimming and winding efficiency of the bubble film. Due to the design of the pull ring 310, it is convenient for the staff to operate the sliding rod 306 and brings convenience to the staff during use.

[0031] Working principle: Before using this edge trimming device for bubble film processing, it is necessary to first check the overall situation of the device to ensure that it can work normally. According to Figure 1 - Figure 7As shown in the figure, after the bubble film is trimmed by the trimming machine body 1, at this time, the bubble film scraps fall into the inside of the moving box 201 through the connecting frame 102. Then, the staff starts the motor 205 to drive the rotation of the rotating rod 203. The rotation of the rotating rod 203 drives the rotation of the rotating frame 204. The rotation of the rotating frame 204 drives the rotation of multiple groups of rotating rods 206. At this time, one end of the rotating rod 206 slides inside the annular groove 2061. At this time, the toothed disc 207 meshes with the inner side of the internal gear ring 202. Then, the toothed disc 207 drives the rotation of multiple groups of rotating rods 206. Further, the rotating rods 206 drive the rotation of multiple groups of crushing knives 209. Thus, the high-speed rotation of the crushing knives 209 can be used to quickly crush the bubble film scraps, so as to achieve the effect of quickly collecting and crushing the bubble film scraps. And using the effect of the crushing knives 209 to crush the scraps can greatly reduce the space occupied by the bubble film scraps, and then greatly improve the storage capacity and efficiency of the bubble film scraps. And it can effectively avoid the phenomenon that the bubble film scraps block the cutting knife inside the trimming machine body 1, and reduce the phenomenon of pulling and winding during the trimming of the bubble film, bringing convenience to the staff during use. By the staff moving the moving box 201 to the bottom of the trimming machine body 1, and then pulling the push frame 211 to slide inside the fixed plate 210. At this time, the retractable rod 212 and the first telescopic spring 213 contract. By releasing the push frame 211, then through the reset property of the first telescopic spring 213, the plug 214 can be quickly inserted into the connecting frame 102, so as to achieve the effect of quickly positioning the moving box 201, and avoid the phenomenon that the moving box 201 is displaced due to the vibration generated during the operation of the trimming machine body 1, greatly improving the stability of the device during use. By inserting the blocking block 216 into the outlet 215, the outlet 215 can be quickly closed and opened, facilitating the staff to unload the crushed bubble film scraps, bringing practicality to the staff during use;

[0032] By the staff inserting the insertion plate 302 into the inside of the connecting rod 301, and then pulling the movement of the sliding rod 306 to drive the sliding plate 305 to slide on the fixed rod 304. At this time, the second telescopic spring 307 contracts, and then the moving rod 308 slides inside the fixed box 303. By releasing the sliding rod 306, then through the tension generated by the second telescopic spring 307, the teeth on one side of the toothed plate 309 can be inserted into the insertion plate 302, so as to achieve the effect of quickly fixing and limiting the winding roller 103, and then facilitating the staff to replace the winding roller 103, greatly improving the trimming and winding efficiency of the bubble film. Through the design of the pull ring 310, it is convenient for the staff to operate the sliding rod 306, bringing convenience to the staff during use.

[0033] The edge cutting machine body 1, the support plate 101, the winding roller 103 and the belt pulley 104 are prior arts. The patent publication number CN219971382U discloses an edge cutting device for a bubble film machine, and the devices used therein will not be elaborated here.

[0034] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A trimming device for processing bubble film, comprising a trimming machine body (1), a support plate (101) being symmetrically mounted at one end of the trimming machine body (1), a connecting frame (102) being mounted at the bottom end of the trimming machine body (1), a winding roller (103) being arranged on the inner side of the support plate (101), and a belt wheel (104) being arranged on one side of the support plate (101); It is characterized in that Also includes: A collecting mechanism (2) is provided at the bottom end of the connecting frame (102), and fixing components (3) are symmetrically provided at both ends of the winding roller (103); The collecting mechanism (2) comprises a moving box (201) arranged at the bottom end of the trimming machine body (1), and an inner gear ring (202) is installed on the inner side of the moving box (201), and a rotating rod (203) is rotatably connected to the inside of one side of the moving box (201), and a rotating frame (204) is installed on the outer side of one end of the rotating rod (203), and a motor (205) is installed on the end of the rotating rod (203) away from the rotating frame (204), and the inside of the rotating frame (204) is rotatably connected to the rotating rod (206). , and an annular groove (2061) is provided inside one side of the moving box (201), and one end of the rotating rod (206) is slidably connected to the inner side of the annular groove (2061), and a toothed disc (207) is installed on the outer side of one end of the rotating rod (206) close to the inner gear ring (202), and the toothed disc (207) is meshingly connected to the inner side of the inner gear ring (202), and a fixing sleeve (208) is installed on the outer side of the rotating rod (206), and a crushing knife (209) is installed on the outer side of the fixing sleeve (208).

2. The trimming device for processing bubble film according to claim 1, characterized in that: Fixed plates (210) are symmetrically installed on both sides of the top of the moving box (201), and the inside of the fixed plate (210) is slidably connected to a pushing frame (211), and a retractable rod (212) is installed on the inner side of the pushing frame (211), and the outer side of the retractable rod (212) is sleeved with a first telescopic spring (213), and one end of the pushing frame (211) is installed with an insert block (214), and the insert block (214) is inserted into the connection frame (102).

3. The trimming device for processing bubble film according to claim 1, characterized in that: The fixing assembly (3) comprises a connecting rod (301) rotatably connected to the inside of the supporting plate (101), and plug plates (302) are symmetrically installed at both ends of the winding roller (103), and the plug plates (302) are plugged into the inside of one end of the connecting rod (301), and a fixing box (303) is installed inside one side of the connecting rod (301), and a fixing rod (304) is symmetrically installed inside the fixing box (303), and a slide plate (305) is slidably connected to the outside of the fixing rod (304), and a slide plate (305) is installed on one side of the slide plate (305). A slide rod (306), one end of which passes through the fixed box (303) and is slidably connected to the fixed box (303), and a second telescopic spring (307) is sleeved on the outer side of the fixed rod (304), and a moving rod (308) is symmetrically installed on one side of the slide plate (305), and a toothed plate (309) is installed on one end of the moving rod (308), and one side of the toothed plate (309) is plugged into the plug plate (302), and a pull ring (310) is installed on the end of the slide rod (306) away from the slide plate (305).

4. The trimming device for processing bubble film according to claim 1, characterized in that: An outlet (215) is provided inside the bottom end of the moving box (201), and a blocking block (216) is detachably connected inside the outlet (215).

5. The trimming device for processing bubble film according to claim 3, characterized in that: The moving rod (308) is located inside the fixed box (303) and is slidably connected.

6. The trimming device for processing bubble film according to claim 3, characterized in that: One end of the connecting rod (301) is fixedly connected to the pulley (104).

7. The trimming device for processing bubble film according to claim 2, characterized in that: One end of the retractable rod (212) is fixedly connected to the fixing plate (210).

Citation Information

Patent Citations

  • Edge cutting device of air bubble film machine

    CN219971382U