A composite film production and rewinding device for packaging

Abstract

The present invention relates to the technical field of composite film production, and specifically discloses a composite film production and winding device for packaging, comprising an equipment bracket, a winding roller is arranged between the equipment brackets, a rotating module is arranged on the equipment bracket, the rotating module comprises a vertical plate, a horizontal plate and a primary double-axis motor, the vertical plate is slidably matched with the top of the equipment bracket, the horizontal plate is connected to the top of the two groups of vertical plates, when the composite film for packaging is wound by the winding roller, the flat covering wheel cooperates with the pressure sensor and the lifting module to make the flat covering wheel more closely fit the composite film roll with increasing diameter, when air enters when the composite film is wound, the composite film part containing air is at the bottom of the flat covering wheel, and the flat covering wheel is pushed up, wherein the force applied to the flat covering wheel by the increase of the diameter of the composite film roll is consistent, and the force applied will increase when there is air, at this time, the air is squeezed out by the rotating module in cooperation with the flat covering module, thereby improving the quality of the composite film winding.

Description

Technical Field

[0001] The invention belongs to the technical field of composite film production, and in particular relates to a composite film production and winding device for packaging. Background Art

[0002] A packaging composite film refers to a packaging film formed by a multi-layer film through a process such as printing and lamination. In the production process of the packaging composite film, a film rolling device is required to roll up the composite film for subsequent handling. In the prior art, when the composite film is being rolled up, if there is air in the composite film roll, the subsequent composite film will be unevenly rolled up, and personnel cannot discover it in time. After discovering it later, the film needs to be cut with a knife to release the air inside so that it can be rolled up more flatly, and the quality of the composite film for packaging cannot be guaranteed. Summary of the invention

[0003] The object of the present invention is to provide a composite film production and reeling device for packaging to solve the problems raised in the above-mentioned background technology.

[0004] To achieve the above object, the present invention provides the following technical solutions:

[0005] A composite film production and winding device for packaging comprises an equipment support, a winding roller is arranged between the equipment supports, a rotating module is arranged on the equipment support, the rotating module comprises a vertical plate, a horizontal plate and a primary double-axis motor, the vertical plate is slidably matched with the top of the equipment support, the horizontal plate is connected to the top of two groups of vertical plates, the primary double-axis motor is fixedly connected to the right side of the equipment support located on the right side by a positioning bolt, a lifting module is arranged at the bottom of the horizontal plate, the lifting module comprises a secondary double-axis motor and a primary screw, the secondary double-axis motor is arranged in the middle below the horizontal plate, the bottom end of the primary screw is connected to the output end of the top of the secondary double-axis motor, the top end of the primary screw passes through the horizontal plate, and the outer wall of the primary screw is threadedly connected to the horizontal plate by an external thread, a flat covering module is connected to the bottom of the lifting module, the flat covering module comprises a flat covering wheel and a pressure sensor, the flat covering wheel is arranged above the winding roller, and the pressure sensor is symmetrically arranged above both sides of the flat covering wheel, a coupling module is connected between the winding roller and the equipment support, the coupling module comprises a primary clamping block and a secondary clamping block, a circumferential array of the primary clamping blocks is connected to the outer walls of the left and right ends of the winding roller, and the secondary clamping block is clamped between two adjacent groups of primary clamping blocks.

[0006] Preferably, the rotating module also includes a primary rotating shaft, a primary round rod and a connecting plate. The left end of the primary rotating shaft is connected to the output end on the right side of the primary dual-axis motor. Two groups of primary round rods and connecting plates are provided, and the primary round rods are connected to the bottom of the side opposite to each other of the left and right groups of vertical plates. The connecting plate is connected to the end of the primary round rod opposite to the vertical plate. The right end of the primary rotating shaft passes through the connecting plate on the right side, and the outer wall of the primary rotating shaft is connected to the connecting plate. The primary round rod and the connecting plate are rotated through the primary rotating shaft. At the same time, the semicircular structure on the top of the vertical plate ensures the supporting effect of the equipment bracket on the vertical plate without affecting the rotation of the vertical plate by 45°.

[0007] Preferably, the rotating module also includes a secondary round rod, a fixed plate and a tertiary round rod. The fixed plate is arranged on the left side of the connecting plate located on the left side, the secondary round rod is connected to the upper right side of the fixed plate, and the right end of the secondary round rod passes through the connecting plate located on the left side. The outer wall of the secondary round rod slides with the connecting plate, the tertiary round rod is connected to the lower right side of the fixed plate, and the right end of the tertiary round rod is connected to the equipment bracket located on the left side, which restricts the vertical plate to ensure the stability of the vertical plate without affecting the rotation of the vertical plate.

[0008] Preferably, the lifting module also includes an external frame, a primary connecting block, a secondary connecting block, a strip plate, a limiting slot and a limiting block. The external frame is sleeved and connected to the middle of the outer wall of the secondary dual-axis motor. The primary connecting block is symmetrically connected to the middle of both sides of the external frame. The secondary connecting block is connected to the side of the primary connecting block opposite to the external frame. The strip plate is connected to the side of the secondary connecting block opposite to the primary connecting block. The limiting slot is opened in the vertical plate, and the limiting slot passes through the vertical plate from left to right. The limiting block slides in the limiting slot, and the limiting block is connected to the strip plate to limit the secondary dual-axis motor so that the secondary dual-axis motor does not rotate, so that the primary screw is lifted and lowered on the horizontal plate.

[0009] Preferably, the flat covering module also includes a connecting shaft, a lifting rod, a primary mounting plate and a secondary mounting plate. The connecting shaft is symmetrically arranged at both ends of the flat covering wheel, the connecting shaft is connected to the flat covering wheel through a bearing, the lifting rod is connected to the top of the connecting shaft, the primary mounting plate is connected to the top of the lifting rod, the secondary mounting plate is arranged above the primary mounting plate, and the pressure sensor is connected between the primary mounting plate and the secondary mounting plate, and the pressure sensor is connected and installed to the winding roller.

[0010] Preferably, the flat covering module also includes a positioning rod, a circular plate, a lifting plate, a stabilizing bracket and a secondary screw. The positioning rod is connected to the top of the secondary mounting plate, the circular plate is connected to the top of the positioning rod, the lifting plate is connected between the two groups of circular plates, the stabilizing bracket is sleeved and connected to the middle part of the outer wall of the positioning rod, the stabilizing bracket is in a U-shaped structure, and the open end of the stabilizing bracket is sleeved on the outer wall of the vertical plate, and the stabilizing bracket and the vertical plate are slidably matched, the top of the secondary screw is connected to the output end of the bottom of the secondary dual-axis motor, the bottom end of the secondary screw passes through the lifting plate, and the outer wall of the secondary screw is threadedly connected to the lifting plate through an external thread, and a gap is left between the bottom end of the secondary screw and the flat covering wheel to facilitate the synchronous lifting and lowering movement of the flat covering wheel and the lifting plate.

[0011] Preferably, the flat covering module also includes a reinforcing plate and a contact switch. The reinforcing plate is symmetrically connected to the bottom of the secondary connecting block front and rear, and the lifting plate is slidably fitted between the front and rear groups of reinforcing plates. The contact switch is embedded in the upper front side of the reinforcing plate located at the left rear. The lifting plate is further restricted by the reinforcing plate, and the moving position of the lifting plate is controlled by the contact switch.

[0012] Preferably, the coupling module also includes a secondary rotating shaft, a circular groove, a tertiary rotating shaft, a filling plate and an assembly plate. The right end of the secondary rotating shaft is connected to the output end on the left side of the primary dual-axis motor, the left end of the secondary rotating shaft passes through the equipment bracket on the right side, the circular groove is opened in the equipment bracket on the left side, and the circular groove passes through the equipment bracket on the left and right sides. The filling plate is arranged in the circular groove, the tertiary rotating shaft bearing is connected to the middle part of the right side of the filling plate, and the secondary clamping block is respectively connected to the outer wall of the left end of the secondary rotating shaft and the outer wall of the right end of the tertiary rotating shaft in a circular array, the assembly plate is connected to the left side of the filling plate, and the left and right ends of the assembly plate are fixedly connected to the equipment bracket on the left side by positioning bolts. The coupling module is convenient for disassembly and assembly of the winding roller.

[0013] Compared with the prior art, the beneficial effects of the present invention are as follows: when the present invention is in use, when the composite film for packaging is rolled up by the winding roller, the flat wheel flattens the composite film to ensure the rolling effect of the composite film, and the flat wheel cooperates with the pressure sensor and the lifting module to make the flat wheel fit the composite film roll with increasing diameter more closely, and when air enters when the composite film is rolled up, the part of the composite film containing air will push up the flat wheel when it is at the bottom of the flat wheel, wherein the force applied to the flat wheel by the increase in the diameter of the composite film roll is consistent, and the force applied will increase when there is air, at this time, the air is squeezed out by the rotating module in cooperation with the flat module, thereby improving the quality of the composite film rolling, and the coupling module facilitates the disassembly and assembly of the winding roller. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 The figure is a schematic diagram of the overall structure of a composite film production and rewinding device for packaging.

[0015] Figure 2 This is a schematic diagram of the right side structure of an equipment bracket for a composite film production and reeling device for packaging.

[0016] Figure 3 This is a schematic diagram of the left side structure of an equipment bracket for a composite film production and reeling device for packaging.

[0017] Figure 4 Schematic diagram of a rotating module of a winding device for producing composite film for packaging.

[0018] Figure 5 The present invention is a schematic diagram of the peripheral framework of a composite film production and rewinding device for packaging.

[0019] Figure 6 The present invention is a schematic diagram of a contact switch of a winding device for producing a composite film for packaging.

[0020] Figure 7 This is a schematic diagram of a lifting plate of a winding device for producing composite film for packaging.

[0021] Figure 8 The present invention is a schematic diagram of the connection of the filling plates of a winding device for producing a composite film for packaging.

[0022] Fig. 9 This is a schematic diagram of the primary block of a winding device for producing a composite film for packaging.

[0023] In the figure: 1. Equipment support; 2. Winding roller; 3. Rotating module; 31. Vertical plate; 32. Horizontal plate; 33. Primary dual-axis motor; 34. Primary rotating shaft; 35. Primary round rod; 36. Connecting plate; 37. Secondary round rod; 38. Fixed plate; 39. Third-level round rod; 4. Lifting module; 41. Secondary dual-axis motor; 42. Primary screw; 43. External frame; 44. Primary connecting block; 45. Secondary connecting block; 46. Strip plate; 47. Limiting notch; 48. Limiting block; 5. Flattening module ; 51. Overturning wheel; 52. Pressure sensor; 53. Connecting shaft; 54. Lifting rod; 55. Primary mounting plate; 56. Secondary mounting plate; 57. Positioning rod; 58. Circular plate; 59. Lifting plate; 510. Stabilizing bracket; 511. Secondary screw; 512. Strengthening plate; 513. Contact switch; 6. Coupling module; 61. Primary clamp block; 62. Secondary clamp block; 63. Secondary rotating shaft; 64. Circular notch; 65. Tertiary rotating shaft; 66. Filling plate; 67. Assembly plate. DETAILED DESCRIPTION

[0024] Example 1

[0025] See also Figure 1-Figure 9As shown, a composite film production and winding device for packaging includes an equipment support 1, a winding roller 2 is arranged between the equipment support 1, a rotating module 3 is arranged on the equipment support 1, the rotating module 3 includes a vertical plate 31, a horizontal plate 32 and a primary double-axis motor 33, the vertical plate 31 is slidably matched with the top of the equipment support 1, the horizontal plate 32 is connected to the top of the two groups of vertical plates 31, the primary double-axis motor 33 is fixedly connected to the right side of the equipment support 1 located on the right side through positioning bolts, a lifting module 4 is arranged at the bottom of the horizontal plate 32, the lifting module 4 includes a secondary double-axis motor 41 and a primary screw 42, the secondary double-axis motor 41 is arranged in the middle below the horizontal plate 32, and the bottom end of the primary screw 42 is connected to the secondary double-axis The output end at the top of the motor 41 is connected, the top of the primary screw 42 passes through the horizontal plate 32, and the outer wall of the primary screw 42 is threadedly connected to the horizontal plate 32 through an external thread. The bottom of the lifting module 4 is connected to the flat covering module 5, and the flat covering module 5 includes a flat covering wheel 51 and a pressure sensor 52. The flat covering wheel 51 is arranged above the winding roller 2, and the pressure sensors 52 are symmetrically arranged above the two sides of the flat covering wheel 51. A coupling module 6 is connected between the winding roller 2 and the equipment bracket 1. The coupling module 6 includes a primary block 61 and a secondary block 62. The primary block 61 is connected to the outer walls of the left and right ends of the winding roller 2 in a circular array, and the secondary block 62 is engaged between two adjacent groups of primary blocks 61.

[0026] refer to Figure 1-Figure 4 As shown, the rotating module 3 also includes a primary rotating shaft 34, a primary round rod 35 and a connecting plate 36. The left end of the primary rotating shaft 34 is connected to the output end of the right side of the primary dual-axis motor 33. The primary round rod 35 and the connecting plate 36 are each provided with two groups, and the primary round rod 35 is connected to the bottom of the side opposite to the left and right groups of vertical plates 31. The connecting plate 36 is connected to the end of the primary round rod 35 opposite to the vertical plate 31. The right end of the primary rotating shaft 34 passes through the connecting plate 36 located on the right side, and the outer wall of the primary rotating shaft 34 is connected to the connecting plate 36. The primary round rod 35 and the connecting plate 36 are rotated through the primary rotating shaft 34. At the same time, the semicircular structure at the top of the vertical plate 31 ensures the supporting effect of the equipment bracket 1 on the vertical plate 31 without affecting the rotation of the vertical plate 31 by 45°.

[0027] refer to Figure 1-Figure 4 As shown, the rotating module 3 also includes a secondary round rod 37, a fixed plate 38 and a tertiary round rod 39. The fixed plate 38 is arranged on the left side of the connecting plate 36 located on the left side, the secondary round rod 37 is connected to the upper right side of the fixed plate 38, and the right end of the secondary round rod 37 passes through the connecting plate 36 located on the left side, the outer wall of the secondary round rod 37 is slidably matched with the connecting plate 36, the tertiary round rod 39 is connected to the lower right side of the fixed plate 38, and the right end of the tertiary round rod 39 is connected to the equipment bracket 1 located on the left side, which restricts the vertical plate 31 to ensure the stability of the vertical plate 31 without affecting the rotation of the vertical plate 31.

[0028] refer to Figure 1 , Figure 3 , Figure 5 and Figure 6 As shown, the lifting module 4 also includes an external frame 43, a primary connecting block 44, a secondary connecting block 45, a strip plate 46, a limiting slot 47 and a limiting block 48. The external frame 43 is sleeved and connected to the middle part of the outer wall of the secondary dual-axis motor 41. The primary connecting block 44 is symmetrically connected to the middle parts of both sides of the external frame 43. The secondary connecting block 45 is connected to the side of the primary connecting block 44 opposite to the external frame 43. The strip plate 46 is connected to the side of the secondary connecting block 45 opposite to the primary connecting block 44. The limiting slot 47 is opened in the vertical plate 31, and the limiting slot 47 passes through the vertical plate 31 from left to right. The limiting block 48 is slidably fitted in the limiting slot 47, and the limiting block 48 is connected to the strip plate 46, so as to limit the secondary dual-axis motor 41, so that the secondary dual-axis motor 41 will not rotate, so that the primary screw 42 can be lifted and lowered on the horizontal plate 32.

[0029] refer to Figure 1-Figure 3 and Figure 7 As shown, the flattening module 5 also includes a connecting shaft 53, a lifting rod 54, a primary mounting plate 55 and a secondary mounting plate 56. The connecting shaft 53 is symmetrically arranged at both ends of the flattening wheel 51. The connecting shaft 53 is connected to the flattening wheel 51 through a bearing. The lifting rod 54 is connected to the top of the connecting shaft 53. The primary mounting plate 55 is connected to the top of the lifting rod 54. The secondary mounting plate 56 is arranged above the primary mounting plate 55. The pressure sensor 52 is connected between the primary mounting plate 55 and the secondary mounting plate 56. The pressure sensor 52 is connected to the winding roller 2 and installed.

[0030] refer to Figure 1-Figure 3 and Figure 7 As shown, the flat covering module 5 also includes a positioning rod 57, a circular plate 58, a lifting plate 59, a stabilizing bracket 510 and a secondary screw 511. The positioning rod 57 is connected to the top of the secondary mounting plate 56, the circular plate 58 is connected to the top of the positioning rod 57, the lifting plate 59 is connected between the two groups of circular plates 58, the stabilizing bracket 510 is sleeved and connected to the middle part of the outer wall of the positioning rod 57, the stabilizing bracket 510 is U-shaped, and the open end of the stabilizing bracket 510 is sleeved on the outer wall of the vertical plate 31, and the stabilizing bracket 510 is slidably matched with the vertical plate 31, the top of the secondary screw 511 is connected to the output end of the bottom of the secondary dual-axis motor 41, the bottom end of the secondary screw 511 passes through the lifting plate 59, and the outer wall of the secondary screw 511 is threadedly connected to the lifting plate 59 through an external thread, and a gap is left between the bottom end of the secondary screw 511 and the flat covering wheel 51, so as to facilitate the synchronous lifting and lowering movement of the flat covering wheel 51 and the lifting plate 59.

[0031] refer to Figure 1-Figure 3 , Figure 5 and Figure 6As shown, the flat covering module 5 also includes a reinforcing plate 512 and a contact switch 513. The reinforcing plate 512 is symmetrically connected to the bottom of the secondary connecting block 45 front and back, and the lifting plate 59 is slidably fitted between the front and rear groups of reinforcing plates 512. The contact switch 513 is embedded in the upper front side of the reinforcing plate 512 located at the left rear. The lifting plate 59 is further restricted by the reinforcing plate 512, and the moving position of the lifting plate 59 is controlled by the contact switch 513.

[0032] refer to Figure 1-Figure 4 , Figure 8 and Fig. 9 As shown, the coupling module 6 also includes a secondary rotating shaft 63, a circular notch 64, a tertiary rotating shaft 65, a filling plate 66 and an assembly plate 67. The right end of the secondary rotating shaft 63 is connected to the output end on the left side of the primary dual-axis motor 33, and the left end of the secondary rotating shaft 63 passes through the equipment bracket 1 on the right side. The circular notch 64 is opened in the equipment bracket 1 on the left side, and the circular notch 64 passes through the equipment bracket 1 on the left and the right. The filling plate 66 is arranged in the circular notch 64, and the tertiary rotating shaft 65 is connected to the middle part of the right side of the filling plate 66 with a bearing. The secondary clamping block 62 is respectively connected to the outer wall of the left end of the secondary rotating shaft 63 and the outer wall of the right end of the tertiary rotating shaft 65 in a circular array. The assembly plate 67 is connected to the left side of the filling plate 66, and the left and right ends of the assembly plate 67 are fixedly connected to the equipment bracket 1 on the left side by positioning bolts. Through the coupling module 6, it is convenient to disassemble and assemble the winding roller 2.

[0033] Working principle: the winding roller 2 is arranged on the right side of the equipment support 1 on the left side, and the winding roller 2 is pushed to the right, so that the winding roller 2 and the secondary rotating shaft 63 are against each other, and the primary clamping block 61 and the secondary clamping block 62 are engaged with each other, and the filling plate 66 is arranged in the circular notch 64 from left to right. At this time, the right end of the tertiary rotating shaft 65 is against the winding roller 2, and the primary clamping block 61 and the secondary clamping block 62 are engaged with each other. The assembly plate 67 is connected and fixed to the equipment support on the left side by the positioning bolt, so as to complete the assembly between the winding roller 2 and the device, and one end of the composite film is arranged on the winding roller 2, and the secondary double-axis motor 41 is turned on to rotate the primary screw 42. Under the limiting action of the limiting block 48 and the limiting notch 47, the primary screw 42 rotates. And the secondary double-axis motor 41 descends, thereby causing the flat covering wheel 51 to descend. When the flat covering wheel 51 contacts the composite film, the composite film and the winding roller 2 form resistance to the flat covering wheel 51, which is monitored by the pressure sensor 52. When the resistance reaches a preset value, the pressure sensor 52 transmits data to the external terminal. The external terminal receives the data and controls the primary screw 42 at the top of the secondary double-axis motor 41 to stop rotating, turns on the primary double-axis motor 33, and rotates the secondary rotating shaft 63, thereby cooperating with the tertiary rotating shaft 65 to rotate the winding roller 2 to wind the composite film. When winding, as the diameter of the composite film roll gradually increases, when the composite film is at the bottom of the flat covering wheel 51, it will push up the flat covering wheel 51, the value monitored by the pressure sensor 52 increases, and the data is transmitted To the peripheral terminal, the peripheral terminal receives the data and controls the primary screw 42 at the top of the secondary dual-axis motor 41 to rotate in the opposite direction, so that the secondary dual-axis motor 41 and the flat covering wheel 51 rise, thereby reducing the value monitored by the pressure sensor 52, so that the flat covering wheel 51 is more in line with the composite film roll with an increasing diameter. When the composite film is rolled up, air enters. When the composite film part containing air is at the bottom of the flat covering wheel 51, it will push up the flat covering wheel 51. Among them, when there is no air, since the thickness of the composite film roll is consistent, the force applied to the flat covering wheel 51 by the increase in the diameter of the composite film roll is consistent. When there is air, the air is at the bottom of the composite film roll, and the upward force on the flat covering wheel 51 increases. The pressure sensor 52 monitors and transmits the data to the peripheral terminal. The peripheral terminal receives the data. The secondary rotating shaft 63 on the left side of the primary dual-axis motor 33 is controlled to close and stop winding, and the secondary screw 511 at the bottom of the secondary dual-axis motor 41 is controlled to rotate, so that the lifting plate 59 drives the flat covering wheel 51 to rise until the lifting plate 59 contacts the contact switch 513. At this time, the contact switch 513 transmits a signal to the external terminal, and the external terminal receives the signal and controls the secondary screw 511 at the bottom of the secondary dual-axis motor 41 to stop rotating and the primary rotating shaft 34 on the right side of the primary dual-axis motor 33 to rotate 45°, thereby driving the two vertical plates 31 to rotate backward 45° with the winding roller 2 as the center. At this time, the external terminal controls the secondary screw 511 connected to the secondary dual-axis motor 41 to rotate, so that the lifting plate 59 and the flat covering wheel 51 are moved.After the flat wheel contacts the composite film, the pressure sensor monitors the resistance. When the resistance reaches the preset value again, the pressure sensor transmits the data to the external terminal. The external terminal receives the data and controls the secondary screw 511 connected to the secondary dual-axis motor 41 to stop rotating and the primary rotating shaft 34 on the right side of the primary dual-axis motor 33 to rotate 45° in the opposite direction, so that the two vertical plates 31 are reset. During this process, the flat wheel 51 presses the composite film and squeezes out the air. At this time, the external terminal controls the secondary rotating shaft 63 connected to the primary dual-axis motor 33 to rotate, so as to continue to reel the composite film.

[0034] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A composite film production and reeling device for packaging, comprising a device support (1), characterized in that: A winding roller (2) is provided between the equipment brackets (1), and a rotating module (3) is provided on the equipment bracket (1). The rotating module (3) comprises a vertical plate (31), a horizontal plate (32), a first-stage dual-axis motor (33), a first-stage rotating shaft (34), a first-stage round rod (35) and a connecting plate (36). The vertical plate (31) is slidably matched on the top of the equipment bracket (1), the horizontal plate (32) is connected to the tops of the two sets of vertical plates (31), the first-stage dual-axis motor (33) is fixedly connected to the right side of the equipment bracket (1) located on the right side by means of positioning bolts, and the left end of the first-stage rotating shaft (34) is connected to the output end on the right side of the first-stage dual-axis motor (33). The first-stage round rod (35) and the connecting plate (36) are provided in two groups, and the first-stage round rod (35) is connected to the bottom of the side opposite to the left and right groups of vertical plates (31), and the connecting plate (36) is connected to the end of the first-stage round rod (35) opposite to the vertical plate (31). The right end of the first-stage rotating shaft (34) passes through the connecting plate (36) located on the right side, and the outer wall of the first-stage rotating shaft (34) is connected to the connecting plate (36). The bottom of the horizontal plate (32) is provided with a lifting module (4), and the lifting module (4) includes a second-stage double-axis motor (41) and a first-stage screw rod (42). The second-stage double-axis motor (41) is arranged in the middle below the horizontal plate (32). The bottom end of the primary screw (42) is connected to the output end of the top of the secondary dual-axis motor (41), the top end of the primary screw (42) passes through the horizontal plate (32), and the outer wall of the primary screw (42) is threadedly connected to the horizontal plate (32) through an external thread, the bottom of the lifting module (4) is connected to the flattening module (5), the flattening module (5) includes a flattening wheel (51), a pressure sensor (52), a lifting plate (59) and a secondary screw (511), the top end of the secondary screw (511) is connected to the output end of the bottom of the secondary dual-axis motor (41), the lifting plate (59) is sleeved on the outer wall of the secondary screw (511), and the secondary screw ( The outer wall of the secondary screw (511) is threadedly connected to the lifting plate (59) through an external thread, a gap is left between the bottom end of the secondary screw (511) and the flat wheel (51), the flat wheel (51) is arranged above the winding roller (2), the pressure sensor (52) is symmetrically arranged above both sides of the flat wheel (51), a coupling module (6) is connected between the winding roller (2) and the equipment bracket (1), the coupling module (6) includes a primary clamping block (61) and a secondary clamping block (62), the primary clamping block (61) is connected to the outer walls of the left and right ends of the winding roller (2) in a circular array, and the secondary clamping block (62) is clamped between two adjacent groups of primary clamping blocks (61).

2. A packaging composite film production and rewinding device according to claim 1, characterized in that: The rotating module (3) further comprises a secondary round rod (37), a fixed plate (38) and a tertiary round rod (39); the fixed plate (38) is arranged on the left side of the connecting plate (36) located on the left side; the secondary round rod (37) is connected to the upper right side of the fixing plate (38), and the right end of the secondary round rod (37) passes through the connecting plate (36) located on the left side; the outer wall of the secondary round rod (37) is slidably matched with the connecting plate (36); the tertiary round rod (39) is connected to the lower right side of the fixing plate (38), and the right end of the tertiary round rod (39) is connected to the equipment bracket (1) located on the left side.

3. The composite film production and rewinding device for packaging according to claim 1, characterized in that: The lifting module (4) further comprises an external frame (43), a primary connection block (44), a secondary connection block (45), a strip plate (46), a limiting notch (47) and a limiting block (48); the external frame (43) is sleeved and connected to the middle of the outer wall of the secondary dual-axis motor (41); the primary connection block (44) is symmetrically connected to the middle of both sides of the external frame (43); the secondary connection block (45) is connected to the side of the primary connection block (44) opposite to the external frame (43); the strip plate (46) is connected to the side of the secondary connection block (45) opposite to the primary connection block (44); the limiting notch (47) is opened in the vertical plate (31), and the limiting notch (47) passes through the vertical plate (31) from left to right; the limiting block (48) is slidably fitted in the limiting notch (47), and the limiting block (48) is connected to the strip plate (46).

4. The composite film production and rewinding device for packaging according to claim 1, characterized in that: The flattening module (5) further comprises a connecting shaft (53), a lifting rod (54), a primary mounting plate (55) and a secondary mounting plate (56); the connecting shaft (53) is symmetrically arranged at both ends of the flattening wheel (51); the connecting shaft (53) is connected to the flattening wheel (51) via a bearing; the lifting rod (54) is connected to the top end of the connecting shaft (53); the primary mounting plate (55) is connected to the top end of the lifting rod (54); the secondary mounting plate (56) is arranged above the primary mounting plate (55); and the pressure sensor (52) is connected between the primary mounting plate (55) and the secondary mounting plate (56).

5. A packaging composite film production and rewinding device according to claim 4, characterized in that: The flat covering module (5) further comprises a positioning rod (57), a circular plate (58) and a stabilizing bracket (510), wherein the positioning rod (57) is connected to the top end of the secondary mounting plate (56), the circular plate (58) is connected to the top end of the positioning rod (57), the stabilizing bracket (510) is sleeved and connected to the middle part of the outer wall of the positioning rod (57), the stabilizing bracket (510) is in a U-shaped structure, and the open end of the stabilizing bracket (510) is sleeved on the outer wall of the vertical plate (31), and the stabilizing bracket (510) and the vertical plate (31) are slidably matched.

6. The composite film production and rewinding device for packaging according to claim 3, characterized in that: The flat covering module (5) further comprises a reinforcing plate (512) and a contact switch (513); the reinforcing plate (512) is symmetrically connected to the bottom of the secondary connection block (45) in front and back directions, and the lifting plate (59) is slidably fitted between the front and rear groups of reinforcing plate (512); the contact switch (513) is embedded above the front side of the reinforcing plate (512) located at the rear left side.

7. The composite film production and rewinding device for packaging according to claim 1, characterized in that: The coupling module (6) further comprises a secondary rotating shaft (63), a circular notch (64), a tertiary rotating shaft (65), a filling plate (66) and an assembly plate (67); the right end of the secondary rotating shaft (63) is connected to the output end of the left side of the primary dual-axis motor (33); the left end of the secondary rotating shaft (63) passes through the equipment bracket (1) located on the right side; the circular notch (64) is arranged in the equipment bracket (1) located on the left side, and the circular notch (64) passes through the equipment bracket (1) from left to right; the filling plate (66) is arranged in the circular notch (64); the bearing of the tertiary rotating shaft (65) is connected to the middle part of the right side of the filling plate (66); the secondary clamping block (62) is respectively connected to the outer wall of the left end of the secondary rotating shaft (63) and the outer wall of the right end of the tertiary rotating shaft (65) in a circular array; the assembly plate (67) is connected to the left side of the filling plate (66); and the left and right ends of the assembly plate (67) are fixedly connected to the equipment bracket (1) located on the left side by positioning bolts.

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