Unified discharging double-station film rolling machine

Abstract

The utility model relates to a self-weight type film rolling technology, in particular to a double-station film rolling machine capable of uniformly discharging, which comprises a film blowing device, a first film rolling device, a second film rolling device and a discharging component, the second film rolling device and the first film rolling device respectively comprise a rolling mechanism and an inverted bead returning mechanism, the inverted bead returning mechanism comprises an inverted bead table and a shaft lifting piece, the inverted bead table is provided with an inverted bead groove with an upward opening, the shaft lifting piece is arranged at a groove opening of the inverted bead groove, the shaft lifting piece has a shaft supporting position and an inverted bead position, the inverted bead position is higher than the shaft supporting position, and the shaft lifting piece reciprocates between the shaft supporting position and the inverted bead position. The discharging assembly is connected with the bead reversing table of the first film rolling device and the bead reversing table of the second film rolling device, the discharging assembly is arranged in a longitudinal moving mode, the first film rolling device is located between the second film rolling device and the film blowing device in the longitudinal direction, and the discharging assembly transfers material rolls on the bead reversing table of the first film rolling device to the bead reversing table of the second film rolling device to be discharged in a unified mode.

Description

Technical Field

[0001] The utility model relates to a self-weight film winding technology, in particular to a double-station film winding machine with unified material discharging. Background Art

[0002] The Chinese utility patent with announcement number CN219488958U discloses a bead pouring device for self-weight winding. One end of the discharge tray rises and falls relative to the other end, so that the steel balls in the loading shaft of the discharge tray slide out due to gravity, realizing the bead pouring process of the material roll. When designing a double-station winding, in order to reduce the equipment footprint, the winding station close to the film blowing equipment has insufficient unloading space, and the discharge component is required to transfer the material roll of this station to another station for unified discharge. The discharge tray will interfere with the discharge component. Utility Model Content

[0003] In view of the technical problems existing in the background technology, the utility model aims to provide a double-station film rolling machine with unified discharge. The bead pouring groove provides space for the discharge component to take and put the material roll, and the lifting shaft lifts one end of the material shaft at the groove to complete the bead pouring.

[0004] In order to solve the above technical problems, the present invention adopts the following technical solutions: the double-station film rolling machine with unified discharging comprises a film blowing device and a first film rolling device, wherein the second film rolling device and the first film rolling device also include a winding mechanism and a bead returning mechanism, the film blowing device is connected with the winding mechanism of the first film rolling device and the winding mechanism of the second film rolling device respectively, the bead returning mechanism comprises a bead pouring platform and a shaft lifting member, the bead pouring platform is provided with a bead pouring trough with an upward opening, the bead pouring trough extends laterally, the bead pouring trough is provided with the shaft lifting member at the notch, the shaft lifting member has a shaft supporting position and a bead pouring position, the bead pouring position is higher than the shaft supporting position, the shaft lifting member moves back and forth between the shaft supporting position and the bead pouring position, the discharging assembly connects the bead pouring platform of the first film rolling device and the bead pouring platform of the second film rolling device, the discharging assembly is arranged to move longitudinally, and in the longitudinal direction, the first film rolling device is located between the second film rolling device and the film blowing device.

[0005] In this solution, after the winding is completed, the material roll reaches the mouth of the bead pouring groove, the lifting shaft moves to the bead pouring position to tilt the material roll to pour out the balls, and the discharge component transfers the material roll from the bead pouring table of the first film rolling device to the bead pouring table of the second film rolling device for unified discharge.

[0006] Preferably, the discharging assembly includes a discharging claw and a material moving rack, the material moving rack is longitudinally movable and arranged above the winding mechanism, the discharging claw is arranged on the material moving rack in a transverse arrangement, the discharging claw is opened and closed, the bead pouring table includes a fixed table and a movable rack, the movable rack is raised and lowered above the fixed table, the fixed table and the movable rack form the bead pouring groove, the movable rack is provided with a positioning seat, and the positioning seat is provided with a positioning groove.

[0007] In this solution, the movable frame rises to allow the discharging claw to pick up and release the material roll, the positioning groove limits the material roll, and the material strip is introduced into the film rolling device from below.

[0008] Preferably, the movable frame is further provided with an axle lifting seat, the axle lifting seat is rotatably provided with a swing arm and the rotation axis extends longitudinally, the swing arm is connected to the axle lifting member, and the axle lifting member is a V-shaped roller.

[0009] In this solution, the swing arm swings and the V-shaped roller lifts the material roll, and the V-shaped surface of the V-shaped roller can limit the material roll.

[0010] Preferably, the axle lifting seat is also provided with a positioning groove and the positioning groove is provided with a notch for the swing arm to pass through.

[0011] In this solution, the notch prevents the axle lifting seat from limiting the swing angle of the swing arm.

[0012] Preferably, the bead pouring and returning mechanism further comprises a steel ball conveyor belt and a bead storage bin, and the steel ball conveyor belt connects the bead dropping port of the bead pouring trough and the bead inlet of the bead storage bin.

[0013] In this solution, the balls in the ball pouring trough fall onto the steel ball conveyor belt through the ball drop port, and the steel ball conveyor belt lifts the balls and sends them into the ball storage bin.

[0014] Preferably, the material moving rack is provided with an opening and closing cylinder, a first hanging plate and a second hanging plate, the output shaft of the opening and closing cylinder is located between the first hanging plate and the second hanging plate, the discharging claw includes a first claw and a second claw, the first claw and the second claw are both hinged to the output shaft of the opening and closing cylinder and hinged at the same point, the middle part of the first claw is hinged to the first hanging plate, and the middle part of the second claw is hinged to the second hanging plate.

[0015] In this solution, the opening and closing cylinder drives the first claw and the second claw to swing synchronously to realize the opening and closing of the discharge claw.

[0016] Preferably, the winding mechanism includes a winding assembly, and the winding assembly includes a winding driving shaft and a winding driven shaft that cooperate with each other. The winding driven shaft is arranged on the winding mounting plate, and a winding clamp is arranged between the winding driving shaft and the winding driven shaft. The winding clamp is arranged to move laterally on the second mounting frame, and the second mounting frame is connected to the winding mounting plate. The winding mounting plate is swingably arranged, and a swinging limit plate is provided on the discharge side of the winding assembly, and the bead inverting table is arranged on the discharge side of the limit plate.

[0017] In this solution, the winding mounting plate swings to drive the winding driven shaft and the winding clamping plate, and the material roll located between the winding driven shaft and the winding active shaft rolls along the winding active shaft and the limit plate to the bead inverting table.

[0018] Preferably, the winding mechanism also includes a pre-roll component, the pre-roll component includes a pre-roll driving shaft and a pre-roll driven shaft that cooperate with each other, the pre-roll driving shaft and the pre-roll driven shaft are arranged on a pre-roll mounting plate, a pre-roll clamp is arranged between the pre-roll driving shaft and the pre-roll driven shaft, the pre-roll clamp is arranged to move laterally on the first mounting frame, the first mounting frame is connected to the pre-roll mounting plate, the pre-roll mounting plate is swinging, a cutting component is lifted and lowered between the pre-roll component and the winding component, the cutting component includes a bracket and a cutter, and the cutter is arranged to move laterally.

[0019] In this solution, the cutting assembly cuts the film tape when changing the roll, and the film tape is connected to the material shaft at the pre-roll assembly. After the pre-roll is completed, the pre-roll mounting plate swings, and the material roll at the pre-roll assembly is poured to the rewinding assembly.

[0020] Preferably, the winding mounting plate is hinged to the support seat through the winding active shaft, the support seat is provided with a groove for accommodating and moving the winding driven shaft and the pre-winding assembly, the second mounting frame is connected to the lifting plate power source, and the pre-winding mechanism is linked to the winding mechanism.

[0021] In this solution, the lifting plate power source drives the winding mounting plate to swing through the second mounting frame, and the support seat supports the winding assembly and the pre-rolling assembly.

[0022] Preferably, the positioning seat of the second film rolling device includes a fixed portion and a movable portion, the fixed portion and the movable portion cooperate to form a positioning groove, and the movable portion is swingably arranged.

[0023] In this solution, the movable part swings, and the material roll after pouring beads rolls away from the bead pouring table along the movable part.

[0024] The beneficial effect of the present invention is that after the film roll is wound, it reaches the opening of the bead pouring groove, the lifting shaft moves to the bead pouring position, tilts the film roll and pours out the beads, and the discharge assembly transfers the film roll from the bead pouring platform of the first film roll unit to the bead pouring platform of the second film roll unit for unified discharge. Therefore, the present invention has substantial characteristics and improvements compared with the existing technology. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] The following describes the relevant details and working principles of the implementation methods and embodiments of the present invention in conjunction with the accompanying drawings.

[0026] Figure 1 It is a structural diagram of the present utility model.

[0027] Figure 2 It is a schematic diagram of the three-dimensional structure of the bead pouring table in this utility model.

[0028] Figure 3 It is a schematic diagram of the three-dimensional structure of the discharge component in the utility model.

[0029] Figure 4 It is a schematic diagram of the three-dimensional structure of the winding mechanism in the utility model.

[0030] Figure 5 It is a schematic diagram of the three-dimensional structure of the splint mounting plate in the utility model.

[0031] Figure 6 It is a schematic diagram of the three-dimensional structure of the cutting component in the present invention.

[0032] In the figure: 1. First film rolling device; 2. Second film rolling device; 3. Winding mechanism; 4. Bead return mechanism; 5. Bead pouring platform; 6. Shaft lifting member; 7. Bead pouring trough; 8. Material discharging assembly; 9. Material discharging claw; 10. Material transfer rack; 11. Fixed platform; 12. Movable rack; 13. Positioning seat; 14. Positioning trough; 15. Shaft lifting seat; 16. Swing arm; 17. Notch; 18. Steel ball conveyor belt; 19. Bead storage bin; 20. Opening and closing cylinder; 21. First hanging plate; 22. Second hanging plate Plate; 23. First claw; 24. Second claw; 25. Winding assembly; 26. Winding active shaft; 27. Winding driven shaft; 28. Winding clamp; 29. ​​Winding mounting plate; 30. Limiting plate; 31. Pre-rolling assembly; 32. Pre-rolling active shaft; 33. Pre-rolling driven shaft; 34. Pre-rolling clamp; 35. Pre-rolling mounting plate; 36. Cutting assembly; 37. Bracket; 38. Cutter; 39. Support seat; 40. Groove; 41. Clamp mounting plate; 42. Lifting plate power source. DETAILED DESCRIPTION

[0033] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention; it is obvious that the described embodiments are only part of the embodiments of the implementation of the present invention, rather than all the embodiments. Based on the embodiments in the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0034] In the description of this application, it should be understood that the terms "upper" and "lower" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing this application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on this application.

[0035] In the description of this application, the terms "first", "second", etc. are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features.

[0036] See attached Figure 1-3 In an embodiment of this embodiment, a double-station film rolling machine with unified discharge includes a film blowing device and a first film rolling device 1.

[0037] Among them, it also includes a second film rolling device 2 and a discharge component 8, the second film rolling device 2 and the first film rolling device 1 both include a winding mechanism 3 and a bead return mechanism 4, the film blowing device is connected with the winding mechanism 3 of the first film rolling device 1 and the winding mechanism 3 of the second film rolling device 2 respectively, the bead return mechanism 4 includes a bead pouring platform 5 and a lifting shaft member 6, the bead pouring platform 5 is provided with a bead pouring trough 7 with an upward opening, the bead pouring trough 7 extends horizontally, and the bead pouring trough 7 is provided with the lifting shaft member 6 at the notch, the lifting shaft member 6 has a supporting shaft position and a bead pouring position, the bead pouring position is higher than the supporting shaft position, the lifting shaft member 6 moves back and forth between the supporting shaft position and the bead pouring position, the bead return mechanism 4 also includes a steel ball conveyor belt 18 and a bead storage bin 19, the steel ball conveyor belt 18 is connected with the bead drop port of the bead pouring trough 7 and the bead inlet of the bead storage bin 19.

[0038] The discharging assembly 8 includes a discharging claw 9 and a material moving rack 10. The material moving rack 10 is longitudinally movable and arranged above the winding mechanism 3. The discharging claw 9 is arranged on the material moving rack 10 in a transverse arrangement. The material moving rack 10 is provided with an opening and closing cylinder 20, a first hanging plate 21 and a second hanging plate 22. The output shaft of the opening and closing cylinder 20 is located between the first hanging plate 21 and the second hanging plate 22. The discharging claw 9 includes a first claw 23 and a second claw 24. The first claw 23 and the second claw 24 are both hinged to the output shaft of the opening and closing cylinder 20 and hinged at the same point. The middle part of the first claw 23 is hinged to the first hanging plate 21, and the middle part of the second claw 24 is hinged to the second hanging plate 22.

[0039] The bead pouring table 5 includes a fixed table 11 and a movable frame 12, and the movable frame 12 is raised and lowered above the fixed table 11. The fixed table 11 and the movable frame 12 form the bead pouring trough 7. A positioning seat 13 is provided on the movable frame 12, and the positioning seat 13 is provided with a positioning groove 14. The discharging assembly 8 is arranged to move longitudinally. In the longitudinal direction, the first film rolling device 1 is located between the second film rolling device 2 and the film blowing device. A shaft lifting seat 15 is also provided on the movable frame 12. The shaft lifting seat 15 is rotatably provided with a swing arm 16 and the rotation axis extends longitudinally. The swing arm 16 is connected to the shaft lifting member 6, and the shaft lifting member 6 is a V-shaped roller. The shaft lifting seat 15 is also provided with a positioning groove 14 and the positioning groove 14 is provided with a notch 17 for the swing arm 16 to pass through. The positioning seat 13 of the second film rolling device 2 includes a fixed part and a movable part. The fixed part and the movable part cooperate to form the positioning groove 14, and the movable part is swinging.

[0040] In this embodiment, the cylindrical material strip blown out by the film blowing device is cut into two pieces of material strips, which are respectively wound up by the first film rolling device 1 and the second film rolling device 2. After the winding is completed, the material roll is transferred to the bead inverting table 5, and the positioning groove 14 and the V-shaped roller jointly support the material roll. The cylinder drives the swing arm 16 to swing and drive the V-shaped roller to lift the material axis of the material roll to complete the bead inverting. The movable frame 12 at the first film rolling device 1 rises, and the cylinder drives the first claw 23 and the second claw 24 to take away the material roll. The material moving frame 10 moves longitudinally to the second film rolling device 2, and the movable frame 12 at the second film rolling device 2 rises. The cylinder drives the first claw 23 and the second claw 24 to put down the material roll, and the movable frame 12 resets. The cylinder drives the movable part to swing, and the material roll rolls away from the second film rolling device 2 along the movable part. The material roll wound at the second film rolling device 2 can be directly unloaded.

[0041] Among them, the material moving rack 10 can be driven by a motor through a synchronous belt; the lifting shaft 6 can also be raised and lowered; the bead filling is to pour the balls in the bead storage bin 19 into the inclined material shaft one by one, or drive them into the horizontal material shaft, and the material shaft loading is a mature technology; the positioning groove 14 is V-shaped; the lifting and lowering of the movable rack 12 is completed by two cylinders in relay; the material roll can also be limited by the groove wall of the bead pouring groove 7, and the groove wall at the second film rolling device 2 should be set to swing to facilitate discharging.

[0042] See attached Figure 4-6 The winding mechanism 3 includes a winding component 25, and the winding component 25 includes a winding active shaft 26 and a winding driven shaft 27 that cooperate with each other. The winding driven shaft 27 is arranged on a winding mounting plate 29, and a winding clamping plate 28 is arranged between the winding active shaft 26 and the winding driven shaft 27. The winding clamping plate 28 is arranged to move laterally on a second mounting frame, and the second mounting frame is connected to the winding mounting plate 29. The winding mounting plate 29 is swingingly arranged, and a swinging limit plate 30 is provided on the discharge side of the winding component 25, and the bead inverting table 5 is arranged on the discharge side of the limit plate 30.

[0043] The winding mechanism 3 also includes a pre-roll component 31, which includes a pre-roll driving shaft 32 and a pre-roll driven shaft 33 that cooperate with each other. The pre-roll driving shaft 32 and the pre-roll driven shaft 33 are arranged on a pre-roll mounting plate 35. A pre-roll clamping plate 34 is arranged between the pre-roll driving shaft 32 and the pre-roll driven shaft 33. The pre-roll clamping plate 34 is arranged to move laterally on a first mounting frame. The first mounting frame is connected to the pre-roll mounting plate 35. The pre-roll mounting plate 35 is swingably arranged A cutting assembly 36 is arranged between the pre-rolling assembly 31 and the winding assembly 25 for lifting and lowering. The cutting assembly 36 includes a bracket 37 and a cutter 38. The cutter 38 is arranged to move laterally. The winding mounting plate 29 is hinged to the support seat 39 through the winding active shaft 26. The support seat 39 is provided with a groove 40 for accommodating and moving the winding driven shaft 27 and the pre-rolling assembly 31. The second mounting frame is connected to the lifting plate power source 42, and the pre-rolling mechanism is linked to the winding mechanism 3.

[0044] The cutting assembly 36 is lifted up as a whole, and the support shaft 37 on the bracket 37 tensions the material strip, and the cutter 38 moves laterally to cut the material strip and form a new material head. The new material head is connected to the material shaft at the pre-roll assembly 31 for pre-rolling. At the same time, the rewinding mounting plate 29 rotates around the rewinding driving shaft 26, and the material roll formed by the rewinding of the material shaft is poured out along the rewinding driving shaft 26 through the limit plate 30. After the pre-rolling is completed, the pre-rolling mounting plate 35 swings, and the pre-rolling assembly 31 pours the material roll into the rewinding assembly 25. At the same time, the limit plate 30 swings to limit the position, preventing the material roll from rolling out of the rewinding assembly 25 due to excessive inertia. The pre-rolling clamping plate 34 and the rewinding clamping plate 28 abut against each other to limit the lateral deviation of the material roll, preventing the ball from separating from the material shaft during the movement of the material roll, and the pre-rolling clamping plate 34 swings with the pre-rolling assembly 31 to maintain the limit.

[0045] Among them, the winding clamp 28 and the pre-winding clamp 34 are driven by the motor through the synchronous belt; the winding mounting plate 29 swings around the winding active shaft 26, and the pre-winding mounting plate 35 swings around the winding driven shaft 27. The active shaft and the driven shaft are engaged by gears, and the active shaft is connected to the motor through a chain sprocket; the cutter 38 is driven by the motor through the synchronous belt; the material belt can also be introduced between the pre-winding component 31 and the winding component 25; the winding driven shaft 27 and the pre-winding component 31 can be against the support seat 39 through bearings.

[0046] The above is a preferred embodiment of the present invention. It should be noted that the scope of protection of the present invention is not limited thereto. Those skilled in the art will appreciate that various improvements, modifications, or equivalent substitutions may be made without departing from the scope of protection of the present invention. These modifications and equivalent substitutions are also considered within the scope of protection of the present invention.

Claims

1. A double-station film rolling machine with unified discharge, comprising a film blowing device and a first film rolling device (1), characterized in that: Also includes The second film rolling device (2) and the first film rolling device (1) both include a winding mechanism (3) and a bead return mechanism (4), the film blowing device is connected to the winding mechanism (3) of the first film rolling device (1) and the winding mechanism (3) of the second film rolling device (2), respectively, the bead return mechanism (4) includes a bead pouring platform (5) and a shaft lifting member (6), the bead pouring platform (5) is provided with a bead pouring groove (7) with an opening facing upward, the bead pouring groove (7) extends in the transverse direction, and the bead pouring groove (7) is provided with the shaft lifting member (6) at the notch, the shaft lifting member (6) has a shaft supporting position and a bead pouring position, the bead pouring position is higher than the shaft supporting position, and the shaft lifting member (6) moves back and forth between the shaft supporting position and the bead pouring position; A discharge assembly (8) connects the bead pouring table (5) of the first film rolling device (1) and the bead pouring table (5) of the second film rolling device (2), and the discharge assembly (8) is arranged to move longitudinally, and the first film rolling device (1) is located between the second film rolling device (2) and the film blowing device in the longitudinal direction.

2. A double-station film rolling machine with unified discharge according to claim 1, characterized in that: The discharging assembly (8) includes a discharging claw (9) and a material moving frame (10), the material moving frame (10) is longitudinally movable and arranged above the winding mechanism (3), the discharging claw (9) is arranged on the material moving frame (10) in a transverse arrangement, and the discharging claw (9) is opened and closed, the bead pouring table (5) includes a fixed table (11) and a movable frame (12), the movable frame (12) is raised and lowered above the fixed table (11), the fixed table (11) and the movable frame (12) form the bead pouring groove (7), the movable frame (12) is provided with a positioning seat (13), and the positioning seat (13) is provided with a positioning groove (14).

3. A double-station film rolling machine with unified discharge as claimed in claim 2, characterized in that: The movable frame (12) is further provided with an axle lifting seat (15), the axle lifting seat (15) is rotatably provided with a swing arm (16) and the rotation axis extends longitudinally, the swing arm (16) is connected to the axle lifting member (6), and the axle lifting member (6) is a V-shaped roller.

4. A double-station film rolling machine with unified discharge as claimed in claim 3, characterized in that: The shaft lifting seat (15) is also provided with a positioning groove (14), and the positioning groove (14) is provided with a notch (17) for the swing arm (16) to pass through.

5. The double-station film rolling machine with unified discharge according to claim 2, characterized in that: The bead pouring and returning mechanism (4) further comprises a steel ball conveyor belt (18) and a bead storage bin (19), wherein the steel ball conveyor belt (18) connects the bead drop opening of the bead pouring trough (7) and the bead inlet of the bead storage bin (19).

6. The double-station film rolling machine with unified discharge according to claim 2, characterized in that: The material moving rack (10) is provided with an opening and closing cylinder (20), a first hanging plate (21) and a second hanging plate (22); the output shaft of the opening and closing cylinder (20) is located between the first hanging plate (21) and the second hanging plate (22); the material discharging claw (9) includes a first claw (23) and a second claw (24); the first claw (23) and the second claw (24) are both hinged to the output shaft of the opening and closing cylinder (20) and hinged at the same point; the middle part of the first claw (23) is hinged to the first hanging plate (21), and the middle part of the second claw (24) is hinged to the second hanging plate (22).

7. The double-station film rolling machine with unified discharge according to claim 1, characterized in that: The winding mechanism (3) includes a winding assembly (25), the winding assembly (25) includes a winding driving shaft (26) and a winding driven shaft (27) that cooperate with each other, the winding driven shaft (27) is arranged on a winding mounting plate (29), a winding clamping plate (28) is arranged between the winding driving shaft (26) and the winding driven shaft (27), the winding clamping plate (28) is arranged on a second mounting frame for transverse movement, the second mounting frame is connected to the winding mounting plate (29), the winding mounting plate (29) is swingably arranged, a swinging limit plate (30) is provided on the discharge side of the winding assembly (25), and the bead inverting table (5) is arranged on the discharge side of the limit plate (30).

8. The double-station film rolling machine with unified discharge according to claim 7, characterized in that: The winding mechanism (3) further comprises a pre-rolling assembly (31), the pre-rolling assembly (31) comprising a pre-rolling driving shaft (32) and a pre-rolling driven shaft (33) which cooperate with each other, the pre-rolling driving shaft (32) and the pre-rolling driven shaft (33) being arranged on a pre-rolling mounting plate (35), a pre-rolling clamping plate (34) being arranged between the pre-rolling driving shaft (32) and the pre-rolling driven shaft (33), the pre-rolling clamping plate (34) being arranged to be laterally movable on a first mounting frame, the first mounting frame being connected to the pre-rolling mounting plate (35), the pre-rolling mounting plate (35) being arranged to be swingable, a cutting assembly (36) being arranged to be lifted and lowered between the pre-rolling assembly (31) and the winding assembly (25), the cutting assembly (36) comprising a bracket (37) and a cutter (38), the cutter (38) being arranged to be laterally movable.

9. The double-station film rolling machine with unified discharge according to claim 8, characterized in that: The winding mounting plate (29) is hinged to the support seat (39) through the winding driving shaft (26); the support seat (39) is provided with a groove (40) for accommodating and moving the winding driven shaft (27) and the pre-winding assembly (31); the second mounting frame is connected to the lifting plate power source (42); and the pre-winding mechanism is linked to the winding mechanism (3).

10. The double-station film rolling machine with unified discharge according to claim 2, characterized in that: The positioning seat (13) of the second film rolling device (2) comprises a fixed portion and a movable portion, the fixed portion and the movable portion cooperate to form a positioning groove (14), and the movable portion is swingably arranged.

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