Film wrapping machine for multi-splicing-film covered wire production

Abstract

The invention relates to the technical field of film covered wire production, in particular to a multi-splicing film covered wire production film covering machine which mainly comprises a machining table, a fixing frame, a pay-off assembly and a take-up assembly are fixedly installed on the top face of the machining table, the multi-splicing film covered wire production film covering machine further comprises an installation mechanism, the installation mechanism is arranged above the machining table, and the installation mechanism comprises a fixing frame located in the fixing frame and a compaction mechanism; and the compaction mechanism is arranged in the fixing frame. By means of the rotating shaft and the compaction wheels, a plurality of wires wound and wrapped with the polyimide film penetrate through the middles of the compaction wheels, the compaction wheels and the outer wall of the polyimide film are tightly extruded, and when the wires are pulled to be wound, due to the fact that the wires make close contact with the compaction wheels, the compaction wheels rotate and the two rows of compaction wheels are arranged in a staggered mode, the compaction wheels comprehensively compact the polyimide film; the polyimide film is tightly attached to the outer walls of the multiple wires, the polyimide film and the wires are connected more firmly, the polyimide film is not prone to loosening, and therefore the winding and wrapping quality of the whole wires is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of film-covered wire production, and specifically relates to a film covering machine for multi-strand film-covered wire production. Background Art

[0002] A film covering machine for multi-strand film-covered wire production is a specialized automated wrapping device for multi-strand film-covered wire production. Through precise mechanical structures and control systems, it synchronously and precisely wraps insulating films on the surfaces of multiple wires to form an insulating structure, enhancing the electrical insulation performance, heat resistance level, and mechanical strength of the wires.

[0003] After multiple wires are tightly wound, in order to effectively protect and insulate the surfaces of these wires, a specific device is used to perform the operation of winding and wrapping polyimide films around them. The original intention of this device is to wind the polyimide film in a rotating manner, evenly and tightly around the outer surfaces of multiple wires, so that the originally scattered multiple wires form a single wire with a stable structure and excellent performance under the wrapping of the polyimide film. When the device completes the operation of wrapping the polyimide film around multiple wires, the degree of fitting and bonding between the polyimide film and the multiple wires is relatively low, making it difficult to form a firm bond between the polyimide film and the wires, and the polyimide film is prone to loosening, causing the wire winding and wrapping structure to be damaged. This not only fails to exert the due protection and insulation functions of the polyimide film but also seriously affects the quality of the entire wire winding and wrapping. Summary of the Invention

[0004] The purpose of the present invention is to provide a film covering machine for multi-strand film-covered wire production to solve the problem of insufficient tightness of polyimide film wrapping proposed in the above background art.

[0005] To achieve the above purpose, the present invention provides the following technical solutions: A film covering machine for multi-strand film-covered wire production, comprising: a processing table, on the top surface of the processing table, a fixed frame, a wire feeding assembly, and a wire winding assembly are fixedly installed. A film covering assembly is installed on the side of the fixed frame, and further comprises: An installation mechanism, the installation mechanism is arranged above the processing table. The installation mechanism includes a fixed frame located inside the fixed frame, a clamping block is arranged on the outside of the fixed frame, and a rotating frame is arranged on one side of the fixed frame. The installation mechanism is used to fix the fixed frame; A compaction mechanism, the compaction mechanism is arranged inside the fixed frame. The compaction mechanism includes a fixed pipe fixedly installed on the inner wall of the fixed frame, an empty groove is opened on the inner wall of the fixed pipe, and a rotating shaft is rotatably installed on the inner wall of the empty groove. The compaction mechanism is used to compact the wrapping film; A pressing mechanism, the pressing mechanism is arranged inside the fixed pipe. The pressing mechanism includes a rotating pipe located inside the fixed pipe, and a plurality of balls are arranged inside the rotating pipe. The pressing mechanism is used to press the wrapping film.

[0006] Preferably, a groove is formed on the side surface of the fixing frame, and the inner wall of the groove is movably connected to the outer wall of the fixing frame. Three clamping grooves are formed on the outer wall of the fixing frame, and three moving grooves are formed on the side surface of the fixing frame. A moving plate is slidably installed on the inner wall of the moving groove.

[0007] Preferably, a limiting rod is slidably installed through the top surface of the moving plate, and both ends of the limiting rod are fixedly connected to the inner wall of the moving groove. An elastic member I is slidably installed on the outer wall of the limiting rod, and both ends of the elastic member I are fixedly connected to the bottom surface of the moving plate and the inner wall of the moving groove.

[0008] Preferably, a clamping block and a limiting plate are fixedly installed on the side surface of the moving plate. One end of the clamping block extends into the groove through the inner wall of the moving groove, and the clamping block is clamped with the clamping groove. The side surface of the limiting plate is slidably connected to the side surfaces of the fixing frame and the fixing frame.

[0009] Preferably, three T-shaped grooves I are formed on the side surface of the fixing frame. T-shaped blocks I are respectively slidably installed on the inner walls of the three T-shaped grooves I. The side surfaces of the three T-shaped blocks I are fixedly connected to the side surface of the rotating frame. Three arc-shaped grooves are formed through the side surface of the rotating frame. Fixing columns are respectively fixedly installed on the side surfaces of the three moving plates. The outer walls of the three fixing columns are respectively slidably connected to the inner walls of the three arc-shaped grooves. A pushing plate is fixedly installed on the side surface of the rotating frame.

[0010] Preferably, a plurality of empty grooves and rotating shafts are provided, and compaction wheels are respectively fixedly installed on the outer walls of the plurality of rotating shafts.

[0011] Preferably, a rotating groove is formed on the inner wall of the fixed pipe, and the inner wall of the rotating groove is rotatably connected to the outer wall of the rotating pipe through a bearing seat. A plurality of installation grooves are formed on the inner wall of the rotating pipe, and the inner walls of the plurality of installation grooves are respectively in rolling connection with the outer walls of the plurality of balls.

[0012] Preferably, a T-shaped groove II is formed on the inner wall of the lower empty groove. A T-shaped block II is slidably installed on the inner wall of the T-shaped groove II. The side surface of the T-shaped block II is elastically connected to the side surface of the T-shaped groove II through an elastic member II. A moving strip is fixedly installed on the top surface of the T-shaped block II. A convex block is fixedly installed on the outer wall of the lower rotating shaft, and the outer wall of the convex block is slidably connected to the side surface of the moving strip.

[0013] Preferably, a fixing strip is fixedly installed on the side surface of the moving strip. An adjusting groove is formed on the side surface of the rotating pipe. The other end of the fixing strip extends into the adjusting groove through the inner wall of the empty groove, and the side surface of the fixing strip is slidably connected to the inner wall of the adjusting groove.

[0014] Preferably, an arc-shaped inclined groove is formed on the inner wall of the adjusting groove. An adjusting column is fixedly installed on the side surface of one end of the fixing strip, and the outer wall of the adjusting column is slidably connected to the inner wall of the arc-shaped inclined groove.

[0015] Compared with the prior art, the beneficial effects of the present invention are: In the present invention, through the provided rotating shaft and compaction wheels, multiple wires wrapped with a polyimide film pass through the spaces between multiple compaction wheels. The compaction wheels tightly squeeze against the outer wall of the polyimide film. When pulling the wires for winding, due to the tight contact between the wires and the compaction wheels, the compaction wheels rotate. The two rows of compaction wheels are staggered, so that the compaction wheels compact the polyimide film, making the polyimide film tightly adhere to the outer walls of the multiple wires, making the connection between the polyimide film and the wires more firm, and the polyimide film is not prone to loosening, thereby improving the quality of the entire wire winding and wrapping; When the compaction wheels and the rotating shaft are set to rotate, the rotating shaft drives the convex block to rotate and squeeze the moving bar. Through cooperation with the second elastic member, the moving bar reciprocates. The moving bar drives the fixed bar and the adjusting column to reciprocate. The adjusting column reciprocates on the inner wall of the arc-shaped inclined groove, thereby pulling the rotating tube to reciprocate. The rotating tube drives the ball to reciprocate through the installation groove, and the ball comprehensively squeezes the polyimide film attached to the outer walls of the multiple wires, making the connection between the polyimide film and the multiple wires closer, and further improving the quality of the wrapping; By setting the push plate, the rotating frame is driven to rotate. The arc-shaped groove on the rotating frame drives the fixed column to move. The fixed column drives the moving plate to move and squeeze the first elastic member. The moving plate drives the limiting plate and the clamping block to move. The clamping block moves out of the clamping groove, and the limiting plate no longer blocks the fixed frame, so that the fixed frame and the fixed tube can be disassembled and installed conveniently and quickly. Thus, different-sized fixed frames and fixed tubes can be replaced according to the number and size of the wires, improving the flexibility and adaptability of the device. Brief Description of the Drawings

[0016] Figure 1 is a three-dimensional structural schematic diagram of the present invention; Figure 2 is a three-dimensional structural schematic diagram of the rotating frame of the present invention; Figure 3 is an exploded three-dimensional structural view of the A position of the fixed frame of the present invention; Figure 4 is a sectional three-dimensional structural schematic diagram of the fixed frame of the present invention; Figure 5 is an exploded three-dimensional structural view of the fixed tube position of the present invention; Figure 6 is an exploded three-dimensional structural view of the rotating tube position of the present invention; Figure 7 is a sectional three-dimensional structural schematic diagram of the fixed tube of the present invention; Figure 8 of the present invention Figure 7 The enlarged view of position A; Figure 9 is a three-dimensional structural schematic diagram of the fixed bar of the present invention; Figure 10 is a sectional three-dimensional structural schematic diagram of the rotating tube of the present invention.

[0017] In the figure: 1. Processing table; 101. Fixed frame; 102. Film wrapping assembly; 103. Wire unwinding assembly; 104. Wire winding assembly; 2. Installation mechanism; 201. Tank body; 202. Fixed frame; 203. Card slot; 204. Moving slot; 205. Limiting rod; 206. Moving plate; 207. First elastic member; 208. Block; 209. Limiting plate; 210. First T-shaped slot; 211. Fixed column; 212. Rotating frame; 213. First T-shaped block; 214. Arc-shaped slot; 215. Pushing plate; 3. Compacting mechanism; 301. Fixed pipe; 302. Empty slot; 303. Rotating shaft; 304. Compacting wheel; 4. Pressing mechanism; 401. Rotating slot; 402. Rotating pipe; 403. Installation slot; 404. Ball; 405. Protrusion; 406. Second T-shaped slot; 407. Second T-shaped block; 408. Second elastic member; 409. Moving bar; 410. Fixed bar; 411. Adjusting slot; 412. Arc-shaped inclined slot; 413. Adjusting column. Detailed implementation manners

[0018] It should be noted that, without conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The following will describe the present application in detail with reference to the drawings and in combination with the embodiments.

[0019] In order to enable those skilled in the art to better understand the solution of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present application.

[0020] As Figures 1 - 10 shown, the present application provides a film wrapping machine for multi-piece film-covered wire production, including: a processing table 1, on the top surface of the processing table 1, a fixed frame 101, a wire unwinding assembly 103 and a wire winding assembly 104 are fixedly installed, and a film wrapping assembly 102 is installed on the side of the fixed frame 101. It further includes: An installation mechanism 2, the installation mechanism 2 is arranged above the processing table 1, the installation mechanism 2 includes a fixed frame 202 located inside the fixed frame 101, a block 208 is arranged on the outer side of the fixed frame 202, and a rotating frame 212 is arranged on one side of the fixed frame 202. The installation mechanism 2 is used to fix the fixed frame 202; Specifically, as Figures 1 - 5As shown, a groove 201 is provided on the side of the fixing frame 101. The inner wall of the groove 201 is movably connected to the outer wall of the fixing frame 202. Three clamping grooves 203 are provided on the outer wall of the fixing frame 202. Three moving grooves 204 are provided on the side of the fixing frame 101. A moving plate 206 is slidably installed on the inner wall of the moving groove 204.

[0021] In this embodiment: By providing the moving groove 204, the moving plate 206 is limited, so that the moving plate 206 moves more stably.

[0022] Specifically, as Figures 1 - 5 shown, a limiting rod 205 is slidably penetrated and installed on the top surface of the moving plate 206. Both ends of the limiting rod 205 are fixedly connected to the inner wall of the moving groove 204. An elastic member 207 is slidably installed on the outer wall of the limiting rod 205. Both ends of the elastic member 207 are fixedly connected to the bottom surface of the moving plate 206 and the inner wall of the moving groove 204.

[0023] In this embodiment: The moving plate 206 is limited by the provided limiting rod 205, and the provided elastic member 207 applies an elastic force to the moving plate 206.

[0024] Specifically, as Figures 1 - 5 shown, a clamping block 208 and a limiting plate 209 are fixedly installed on the side of the moving plate 206. One end of the clamping block 208 slidably penetrates the inner wall of the moving groove 204 and extends into the groove 201. The clamping block 208 is clamped with the clamping groove 203. The side of the limiting plate 209 is slidably connected to the side of the fixing frame 101 and the side of the fixing frame 202.

[0025] In this embodiment: By clamping the clamping block 208 with the clamping groove 203, the fixing frame 202 is fixed, and the provided limiting plate 209 further limits the fixing frame 202.

[0026] Specifically, as Figures 1 - 5 shown, three T-shaped grooves 210 are provided on the side of the fixing frame 101. T-shaped blocks 213 are respectively slidably installed on the inner walls of the three T-shaped grooves 210. The sides of the three T-shaped blocks 213 are fixedly connected to the side of the rotating frame 212. Three arc-shaped grooves 214 are provided through the side of the rotating frame 212. Fixing columns 211 are respectively fixedly installed on the sides of the three moving plates 206. The outer walls of the three fixing columns 211 are respectively slidably connected to the inner walls of the three arc-shaped grooves 214. A push plate 215 is fixedly installed on the side of the rotating frame 212.

[0027] In this embodiment: By providing the T-shaped groove 210, the T-shaped block 213 is limited, and the rotating frame 212 is further limited. The provided arc-shaped groove 214 drives the fixing column 211 to move, thereby driving the moving plate 206 to move.

[0028] The compaction mechanism 3 is arranged inside the fixed frame 101. The compaction mechanism 3 includes a fixed pipe 301 fixedly installed on the inner wall of the fixed frame 202. An empty groove 302 is formed on the inner wall of the fixed pipe 301. A rotating shaft 303 is rotatably installed on the inner wall of the empty groove 302. The compaction mechanism 3 is used to compact the wrapping film. Specifically, as Figures 1 - 8 shown, there are multiple empty grooves 302 and rotating shafts 303. Compaction wheels 304 are respectively and fixedly installed on the outer walls of the multiple rotating shafts 303.

[0029] In this embodiment: Two rows of compaction wheels 304 are arranged staggeredly. Through the arranged rotating shafts 303 and compaction wheels 304, the compaction wheels 304 extrude multiple wires wrapped with polyimide films, making the connection between the polyimide films and the multiple wires tighter.

[0030] The pressing mechanism 4 is arranged inside the fixed pipe 301. The pressing mechanism 4 includes a rotating pipe 402 located inside the fixed pipe 301. A plurality of balls 404 are arranged inside the rotating pipe 402. The pressing mechanism 4 is used to press the wrapping film.

[0031] Specifically, as Figures 1 - 10 shown, a rotating groove 401 is formed on the inner wall of the fixed pipe 301. The outer wall of the rotating pipe 402 is rotatably connected to the inner wall of the rotating groove 401 through a bearing seat. A plurality of installation grooves 403 are formed on the inner wall of the rotating pipe 402. The outer walls of the plurality of balls 404 are respectively and rotatably connected to the inner walls of the plurality of installation grooves 403.

[0032] In this embodiment: Through the arranged rotating pipe 402 and balls 404, during the process of the rotating pipe 402 driving the balls 404 to rotate, the balls 404 comprehensively extrude multiple wires wrapped with polyimide films.

[0033] Specifically, as Figures 1 - 10 shown, a T-shaped groove two 406 is formed on the inner wall of the lower empty groove 302. A T-shaped block two 407 is slidably installed on the inner wall of the T-shaped groove two 406. The side surface of the T-shaped block two 407 is elastically connected to the side surface of the T-shaped groove two 406 through an elastic member two 408. A moving strip 409 is fixedly installed on the top surface of the T-shaped block two 407. A convex block 405 is fixedly installed on the outer wall of the lower rotating shaft 303. The outer wall of the convex block 405 is slidably connected to the side surface of the moving strip 409.

[0034] In this embodiment: Through the arranged T-shaped groove two 406, the T-shaped block two 407 is limited. The arranged elastic member two 408 applies an elastic force to the T-shaped block two 407. When the arranged rotating shaft 303 drives the convex block 405 to rotate, the convex block 405 cooperates with the elastic member two 408 to drive the moving strip 409 to reciprocate.

[0035] Specifically, as Figures 1 - 10As shown, a fixed bar 410 is fixedly installed on the side of the moving bar 409. An adjustment groove 411 is formed on the side of the rotating tube 402. The other end of the fixed bar 410 slides through the inner wall of the empty groove 302 and extends into the adjustment groove 411. The side of the fixed bar 410 is slidably connected to the inner wall of the adjustment groove 411.

[0036] In this embodiment: The moving bar 409 drives the fixed bar 410 to move reciprocally.

[0037] Specifically, as Figures 1 - 10 shown, an arc-shaped inclined groove 412 is formed on the inner wall of the adjustment groove 411. An adjustment column 413 is fixedly installed on the side of one end of the fixed bar 410. The outer wall of the adjustment column 413 is slidably connected to the inner wall of the arc-shaped inclined groove 412.

[0038] In this embodiment: The fixed bar 410 drives the adjustment column 413 to move reciprocally. The adjustment column 413 moves on the inner wall of the arc-shaped inclined groove 412, and the adjustment column 413 pulls the arc-shaped inclined groove 412 and the rotating tube 402 to rotate in an arc reciprocally.

[0039] The specific solution of this scheme is as follows: Install the wound coils of multiple wires on the wire pay-off assembly 103, pull the wires out through the inner walls of the fixed tube 301 and the rotating tube 402 and wind them on the wire take-up assembly 104. Turn on the wire take-up assembly 104 and the film wrapping assembly 102. The wire take-up assembly 104 pulls the wires to move, and at the same time, the film wrapping assembly 102 wraps the multiple wires with a film. When the multiple wires wrapped with polyimide film pass through the middle of multiple compaction wheels 304, the compaction wheels 304 tightly squeeze the outer wall of the polyimide film. Due to the close contact between the wires and the compaction wheels 304, the compaction wheels 304 rotate. The two rows of compaction wheels 304 are arranged staggeredly, so that the compaction wheels 304 compact the polyimide film, making the polyimide film closely adhere to the outer walls of the multiple wires, making the connection between the polyimide film and the wires more firm. At the same time, when the compaction wheels 304 and the rotating shaft 303 rotate, the rotating shaft 303 drives the convex block 405 to rotate and squeeze the moving strip 409. Through cooperation with the second elastic member 408, the moving strip 409 reciprocates. The moving strip 409 drives the fixed strip 410 and the adjusting column 413 to reciprocate. The adjusting column 413 reciprocates on the inner wall of the arc-shaped inclined groove 412, thereby pulling the rotating tube 402 to reciprocate. The rotating tube 402 drives the ball 404 to reciprocate through the installation groove 403. The ball 404 comprehensively squeezes the polyimide film attached to the outer walls of the multiple wires, making the connection between the polyimide film and the multiple wires closer, further improving the quality of the wrapping. Push the set push plate 215 to drive the rotating frame 212 to rotate. The arc-shaped groove 214 on the rotating frame 212 drives the fixed column 211 to move. The fixed column 211 drives the moving plate 206 to move and squeeze the first elastic member 207. The moving plate 206 drives the limiting plate 209 and the clamping block 208 to move. The clamping block 208 moves out of the clamping groove 203, and the limiting plate 209 no longer blocks the fixed frame 202, so that the fixed frame 202 and the fixed tube 301 can be disassembled and installed conveniently and quickly, so that different-sized fixed frames 202 and fixed tubes 301 can be replaced according to the quantity and size of the wires, improving the flexibility and adaptability of the device.

[0040] Those of ordinary skill in the art should understand that the discussion of any embodiment above is only exemplary; under the concept of the present invention, the technical features in the above embodiments or different embodiments can also be combined, the steps can be implemented in any order, and there are many other variations in different aspects of the present invention as described above, which are not provided in detail for the sake of brevity.

[0041] The present invention aims to cover all such substitutions, modifications, and variations that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included within the protection scope of the present invention.

Claims

1. A film wrapping machine for producing a multi-piece film wrapping line, comprising: A processing table (1), wherein a fixing frame (101), a wire-releasing assembly (103) and a wire-retrieving assembly (104) are fixedly mounted on the top surface of the processing table (1), and a film-wrapping assembly (102) is mounted on the side of the fixing frame (101), characterized in that it further comprises: a mounting mechanism (2), the mounting mechanism (2) being arranged above the processing table (1), the mounting mechanism (2) comprising a fixed frame (202) located inside the fixed frame (101), a clamping block (208) being arranged on the outside of the fixed frame (202), a rotating frame (212) being arranged on one side of the fixed frame (202), and the mounting mechanism (2) being used to fix the fixed frame (202); A compacting mechanism (3), the compacting mechanism (3) being arranged inside the fixing frame (101), the compacting mechanism (3) comprising a fixing tube (301) fixedly mounted on the inner wall of the fixing frame (202), the inner wall of the fixing tube (301) being provided with a hollow groove (302), the inner wall of the hollow groove (302) being rotatably mounted with a rotating shaft (303), the compacting mechanism (3) being used to compact the envelope; A pressing mechanism (4), the pressing mechanism (4) being arranged inside the fixed tube (301), the pressing mechanism (4) comprising a rotating tube (402) located inside the fixed tube (301), a plurality of balls (404) being arranged inside the rotating tube (402), and the pressing mechanism (4) being used to press the envelope.

2. A film wrapping machine for producing multi-piece film wrapping lines according to claim 1, characterized in that: A groove body (201) is provided on the side of the fixing frame (101), the inner wall of the groove body (201) is movably connected to the outer wall of the fixing frame (202), the outer wall of the fixing frame (202) is provided with three slots (203), and three movable grooves (204) are provided on the side of the fixing frame (101), and movable plates (206) are slidably mounted on the inner walls of the movable grooves (204).

3. A film wrapping machine for producing multi-piece film wrapping lines according to claim 2, characterized in that: A limit rod (205) is slidably installed on the top surface of the movable plate (206), and the two ends of the limit rod (205) are fixedly connected to the inner wall of the movable groove (204). An elastic member 1 (207) is slidably installed on the outer wall of the limit rod (205), and the two ends of the elastic member 1 (207) are fixedly connected to the bottom surface of the movable plate (206) and the inner wall of the movable groove (204).

4. A film wrapping machine for producing multi-piece film wrapping lines according to claim 3, characterized in that: A clamping block (208) and a limiting plate (209) are fixedly mounted on the side of the movable plate (206); one end of the clamping block (208) slides through the inner wall of the movable groove (204) and extends into the interior of the groove body (201); the clamping block (208) is clamped with the groove (203); and the side of the limiting plate (209) is slidably connected with the side of the fixing frame (101) and the side of the fixing frame (202).

5. The film wrapping machine for producing multi-piece film wrapping lines according to claim 4, characterized in that: The fixed frame (101) is provided with three T-shaped slots (210) on the side surface, and the inner walls of the three T-shaped slots (210) are respectively slidably mounted with T-shaped blocks (213), and the sides of the three T-shaped blocks (213) are fixedly connected to the side surface of the rotating frame (212), and the side surface of the rotating frame (212) is provided with three arc-shaped slots (214), and the sides of the three movable plates (206) are respectively fixedly mounted with fixed columns (211), and the outer walls of the three fixed columns (211) are respectively slidably connected to the inner walls of the three arc-shaped slots (214), and the side surface of the rotating frame (212) is fixedly mounted with a push plate (215).

6. The film wrapping machine for producing multi-piece film wrapping lines according to claim 1, characterized in that: A plurality of the empty slots (302) and the rotating shafts (303) are provided, and compacting wheels (304) are respectively fixedly mounted on the outer walls of the plurality of rotating shafts (303).

7. The film wrapping machine for producing multi-piece film wrapping wires according to claim 1, characterized in that: The inner wall of the fixed tube (301) is provided with a rotation groove (401), the inner wall of the rotation groove (401) is rotationally connected to the outer wall of the rotation tube (402) via a bearing seat, the inner wall of the rotation tube (402) is provided with a plurality of installation grooves (403), the inner walls of the plurality of installation grooves (403) are respectively rollingly connected to the outer walls of a plurality of ball bearings (404).

8. The film wrapping machine for producing multi-piece film wrapping lines according to claim 7, characterized in that: A second T-shaped groove (406) is provided on the inner wall of the empty groove (302) at the bottom, a second T-shaped block (407) is slidably mounted on the inner wall of the second T-shaped groove (406), a side surface of the second T-shaped block (407) is elastically connected to the side surface of the second T-shaped groove (406) via a second elastic member (408), a moving bar (409) is fixedly mounted on the top surface of the second T-shaped block (407), a convex block (405) is fixedly mounted on the outer wall of the rotating shaft (303) at the bottom, and the outer wall of the convex block (405) is slidably connected to the side surface of the moving bar (409).

9. The film wrapping machine for producing multi-piece film wrapping lines according to claim 8, characterized in that: A fixing strip (410) is fixedly mounted on the side of the movable strip (409), an adjusting groove (411) is provided on the side of the rotating tube (402), the other end of the fixing strip (410) slides through the inner wall of the empty groove (302) and extends into the inside of the adjusting groove (411), and the side of the fixing strip (410) is slidably connected to the inner wall of the adjusting groove (411).

10. A film wrapping machine for producing multi-piece film wrapping lines according to claim 9, characterized in that: The inner wall of the adjustment groove (411) is provided with an arc-shaped oblique groove (412), and an adjustment column (413) is fixedly mounted on the side surface of one end of the fixing strip (410), and the outer wall of the adjustment column (413) is slidably connected to the inner wall of the arc-shaped oblique groove (412).

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