Automatic synchronization device for dual-host dual-coating composite machine

By designing a cooling and material transfer mechanism in a dual-host double-layer membrane composite machine, the central cooling and anti-adhesion of the primary membrane are achieved, and the problem of the internal temperature of the primary membrane in the prior art is solved, and the quality of the composite material is improved.

CN118952617BActive Publication Date: 2025-03-21SHANDONG SHUANGSHENG PLASTIC TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202411214728.4
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2024-08-30
Publication Date
2025-03-21
Estimated Expiration
2044-08-30

AI Technical Summary

Technical Problem

The existing extruders adopt the method of cooling the outer surface, resulting in the internal temperature of the primary film not lowered, and the primary film after cooling is easily adhered to the inner wall of the extrusion tube, reducing the composite effect.

Method used

An automatic synchronization device of dual-main double-layer membrane composite machine is designed, using a cooling and material transfer mechanism, through the circulating flow of the U-shaped support tube, the main transmission tube and the cooling liquid tube, combined with the rotation of the spiral conveying blade, the center cooling and anti-adhesion of the primary membrane are achieved.

Benefits of technology

It effectively reduces the risk of adhesion between the primary membrane and the inner wall of the tube, improves the dependence and fixation effect between the primary membrane, and improves the quality of the composite material.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present invention provides an automatic synchronization device for a dual-host dual-coating composite machine, and relates to a coating composite equipment, which includes a coating composite machine, on which two unwinding rolls and two transfer rollers are arranged, and an extruder is arranged above the two transfer rollers and between the two unwinding rolls; a first extrusion tube and a second extrusion tube are arranged at the bottom of the extruder, and the bottom of the first extrusion tube is connected with the second extrusion tube, and a cooling material transfer mechanism is arranged on the inner wall of the first extrusion tube. Through the arrangement of the cooling material transfer mechanism, the cooling liquid circulates along the U-shaped support tube → main transmission tube → cooling liquid tube, wherein the rotating spiral transmission blade can drive the initial film extruded by the extruder to be transmitted downward, so as to avoid adhesion of the initial film to the inner wall of the tube during the cooling process, thereby realizing the central cooling and anti-adhesion treatment of the initial film located between the first extrusion tube and the cooling liquid tube, and improving the attachment and fixing effect between the initial films in the first extrusion tube and the second extrusion tube.
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Description

Technical Field

[0001] The invention relates to coating compound equipment, in particular to an automatic synchronization device for a double-host double-coating compound machine. Background Art

[0002] Laminating machine, also known as extrusion composite machine, cast film machine, extrusion cast film machine, cast film composite machine, is an extrusion molding machine, mainly composed of main machine, laminating system, adjustment system, composite winding system, etc. The raw materials used in the laminating system are mainly EPDM rubber, polyvinyl chloride, etc., which are attached to the surface of some flexible substrates such as paper, film, non-woven fabric or woven fabric, and then pressed to synthesize a plastic film layer after cooling and shaping. This composite material has barrier properties, heat sealing properties, and the toughness and functional characteristics of the substrate. In the laminating system produced by the laminating machine, a cooling device will be used to cool and dissipate the surface of one of the initial films, and then it will be attached and fixed to the other initial film.

[0003] In a primary film extruded by an existing extruder, the temperature inside the primary film does not decrease because the temperature is reduced from the outer surface. Moreover, the primary film after cooling is easily adhered to the inner wall of the extrusion tube due to the sharp drop in the outer surface temperature, which reduces the composite effect of the two primary films. Summary of the invention

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies in the prior art, the present invention provides an automatic synchronization device for a dual-host dual-coating composite machine, which solves the problem that in an initial film extruded by an existing extruder, the internal temperature of the initial film is not reduced due to the method of cooling the outer surface, and the initial film after cooling is easily adhered to the inner wall of the extrusion tube due to the sharp drop in the outer surface temperature.

[0006] (II) Technical solution

[0007] To achieve the above objectives, the present invention is implemented through the following technical scheme: comprising a laminating machine, on which two unwinding rolls and two transfer rollers are provided, and an extruder is provided above the two transfer rollers and between the two unwinding rolls.

[0008] The bottom of the extruder is provided with a first extrusion tube and a second extrusion tube, the bottom of the first extrusion tube is connected with the second extrusion tube, and the inner wall of the first extrusion tube is provided with a cooling material conveying mechanism.

[0009] The cooling material conveying mechanism includes a cooling liquid pipe rotatably engaged with the inside of a first extrusion tube, a spiral conveying blade rotatably engaged with the inner wall of the first extrusion tube is fixed to the outer peripheral side of the cooling liquid pipe, a first conical tooth is arranged on the outer top of the cooling liquid pipe, a second conical tooth is meshed with the upper part of the first conical tooth, and a connecting hose is connected between the first conical tooth and the second conical tooth.

[0010] A main transmission pipe connected to the cooling liquid pipe is fixed at one end of the second conical tooth, and a U-shaped support pipe having one end rotatably matched with the main transmission pipe is fixedly installed on the outer peripheral side of the first extruded tube, and the other end of the U-shaped support pipe extends into the first extruded tube and rotatably matched with the bottom of the cooling liquid pipe.

[0011] Preferably, a cooling device and a circulating pump extraction device are provided on the peripheral side of the U-shaped support tube.

[0012] Preferably, a rotary joint is provided between the U-shaped support tube and the cooling liquid pipe, and between the U-shaped support tube and the main transmission tube.

[0013] Preferably, a servo motor is fixedly mounted on the peripheral side of the first extrusion tube, and a main transmission gear is fixedly connected to the output end of the servo motor.

[0014] A slave transmission gear ring meshing with the main transmission gear is fixed on the peripheral side of the main transmission pipe.

[0015] Preferably, a tension adjusting device is provided on one side of the laminating machine, and a tension adjusting mechanism is provided on one side of the tension adjusting device below the composite film.

[0016] Preferably, the tension adjustment mechanism includes a mounting seat fixedly mounted on one side of the tension adjustment device, a threaded rod is rotatably fitted on the inner wall of the mounting seat, and a rotating handle is fixed on one end of the threaded rod outside the mounting seat.

[0017] The bottom of the mounting seat is slidably matched with a sliding block that rotates with the thread of the threaded rod, and one side of the sliding block is rotatably matched with a rotating plate. A sliding mechanism is fixedly installed on the top of the mounting seat. The sliding mechanism includes a sleeve and a sliding rod. The sleeve is fixedly installed on the top of the mounting seat, and the sleeve and the sliding rod are slidably matched with each other. A tension seat is fixed on the top of the sliding rod and is hingedly matched with the other end of the rotating plate.

[0018] Preferably, a limiting rod is fixed to the inner wall of the tension seat, and a threaded shaft is rotatably matched with the inner wall of the tension seat below the limiting rod, and two symmetrical threaded blocks are matched between the threaded shaft and the limiting rod.

[0019] Elastic springs are fixed between the tension seats and the opposite sides of the two threaded blocks, tension adjustment plates are rotatably matched on one side of the two threaded blocks, and a tension roller is arranged between the two tension adjustment plates.

[0020] Preferably, a leveling mechanism is provided between one side of the laminating machine and the unwinding roll.

[0021] The leveling mechanism includes a slide plate that slidably cooperates with a side surface of the laminating machine, and connecting frames are fixed at both ends of the slide plate. Two leveling rollers are rotatably cooperated with the upper and lower surfaces of the composite film between the two connecting frames.

[0022] Preferably, a reciprocating frame is fixed to one end of the connecting frame.

[0023] An eccentric shaft which is slidably matched with the reciprocating frame is fixed at one end of the unwinding reel.

[0024] (III) Beneficial effects

[0025] The present invention provides an automatic synchronization device for a dual-host dual-coating composite machine. It has the following beneficial effects:

[0026] 1. In the present invention, by setting a cooling material transfer mechanism, the cooling liquid circulates along the U-shaped support tube → main transmission tube → cooling liquid tube, wherein the rotating spiral transmission blades can drive the initial film extruded by the extruder to be transmitted downward, thereby preventing the initial film from adhering to the inner wall of the tube during the cooling process, thereby realizing central cooling and anti-adhesion treatment of the initial film located between the first extrusion tube and the cooling liquid tube, and improving the attachment and fixing effect between the initial films in the first extrusion tube and the second extrusion tube.

[0027] 2. In the present invention, by rotating the threaded rod that rotates the inner wall of the mounting seat forward or reversely, the sliding block that slides in the bottom of the mounting seat moves horizontally along the direction of the threaded rod, driving the rotating plate that rotates on one side of the sliding block to rotate, and driving the tension seat to move closer to or away from the mounting seat, thereby adjusting the tension between the tension seat and the composite membrane. Moreover, when the tension between the tension seat and the composite membrane is relatively small, the tension between the tension seat and the composite membrane can be further adjusted by setting the stretched elastic spring, the threaded shaft and the tension adjustment plate, thereby realizing large-range active adjustment of the tension and small-range automatic adjustment of the tension.

[0028] In the present invention, the eccentric shaft is driven to rotate by the rotation of the unwinding reel, and the sliding cooperation between the eccentric shaft and the reciprocating frame is arranged, so that the reciprocating frame fixed at one end of the connecting frame makes reciprocating motion along one direction of one side of the laminating machine, thereby realizing that the two leveling rollers that rotate and cooperate between the two connecting frames can level the upper and lower surfaces of the composite film. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 It is a structural schematic diagram of an automatic synchronization device of a dual-host dual-coating composite machine of the present invention;

[0030] Figure 2 for Figure 1 A is an enlarged schematic diagram;

[0031] Figure 3 for Figure 1A magnified schematic diagram of B;

[0032] Figure 4 for Figure 1 A magnified schematic diagram of middle C;

[0033] Figure 5 It is the assembly diagram of the extruder and the cooling and feeding mechanism;

[0034] Figure 6 for Figure 5 A magnified schematic diagram of D in the middle;

[0035] Figure 7 It is a structural schematic diagram of the cooling material conveying mechanism;

[0036] Figure 8 It is a structural schematic diagram of the tension adjustment mechanism;

[0037] Fig. 9 for Figure 8 Middle E is an enlarged schematic diagram;

[0038] Fig.10 for Figure 8 Middle F is an enlarged schematic diagram;

[0039] Fig.11 It is a structural diagram of the leveling mechanism.

[0040] Among them, 1. laminating machine; 2. extruder; 3. cooling material feeding mechanism; 4. tension adjusting device; 5. tension adjusting mechanism; 6. leveling mechanism; 11. unwinding roll; 111. eccentric shaft; 12. transfer roller; 21. first extrusion tube; 211. main transmission gear; 22. second extrusion tube; 301. cooling liquid pipe; 302. spiral transmission blade; 303. first conical tooth; 304. second conical tooth; 305. connecting hose; 306. main transmission tube; 30 7. U-shaped support tube; 308. Cooling device; 309. Circulation pump extraction device; 310. Slave transmission gear ring; 51. Mounting seat; 511. Threaded rod; 513. Sliding block; 514. Rotating plate; 52. Tension seat; 521. Limit rod; 522. Threaded shaft; 523. Threaded block; 524. Elastic spring; 525. Tension adjustment plate; 526. Tension roller; 601. Sliding plate; 602. Connecting frame; 603. Leveling roller; 604. Reciprocating frame. DETAILED DESCRIPTION

[0041] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0042] Embodiment 1:

[0043] like Figure 1-Figure 11 As shown, the embodiment of the present invention provides an automatic synchronization device for a dual-host dual-coating compound machine, including a coating compound machine 1, on which two unwinding rolls 11 and two transfer rollers 12 are arranged, and an extruder 2 is arranged above the two transfer rollers 12 and between the two unwinding rolls 11; a first extrusion tube 21 and a second extrusion tube 22 are arranged at the bottom of the extruder 2, and the bottom of the first extrusion tube 21 is connected to the second extrusion tube 22, and a cooling material transfer mechanism 3 is arranged on the inner wall of the first extrusion tube 21; the cooling material transfer mechanism 3 includes a cooling liquid pipe 301 rotatably matched inside the first extrusion tube 21, and the outer peripheral side of the cooling liquid pipe 301 is fixed with a cooling liquid pipe 301 that is connected to the first extrusion tube 21. A spiral conveying blade 302 is rotatably engaged with the inner wall of the outlet pipe 21, a first conical tooth 303 is arranged on the outer top of the cooling liquid pipe 301, a second conical tooth 304 is meshed with the first conical tooth 303, a connecting hose 305 is connected between the first conical tooth 303 and the second conical tooth 304; a main transmission pipe 306 which is interconnected with the cooling liquid pipe 301 is fixed at one end of the second conical tooth 304, a U-shaped support pipe 307 which has one end rotatably engaged with the main transmission pipe 306 is fixedly installed on the outer peripheral side of the first extrusion tube 21, and the other end of the U-shaped support pipe 307 extends into the first extrusion tube 21 and rotatably engages with the bottom of the cooling liquid pipe 301.

[0044] Specifically, a cooling device 308 and a circulating pump extraction device 309 are provided on the side surface of the U-shaped support tube 307 ; a rotating joint is provided between the U-shaped support tube 307 and the cooling liquid pipe 301 , and between the U-shaped support tube 307 and the main transmission tube 306 .

[0045] Furthermore, a servo motor is fixedly installed on the side surface of the first extrusion tube 21 , and the output end of the servo motor is fixedly connected to the main transmission gear 211 ; a slave transmission gear ring 310 meshing with the main transmission gear 211 is fixed on the side surface of the main transmission tube 306 .

[0046] The operation process of this embodiment is as follows: two synchronously operated laminating machines 1 use the extruder 2 and the cooling material feeding mechanism 3 to operate during the initial film laminating process, the output end of the extruder 2 is the first extrusion tube 21 and the second extrusion tube 22, wherein the bottom of the first extrusion tube 21 and the side of the second extrusion tube 22 are connected to each other, by starting the servo motor fixedly installed on the side of the first extrusion tube 21, the servo motor rotates to drive the main transmission tube 306 to rotate relative to the U-shaped support tube 307, the rotation of the U-shaped support tube 307 drives the second conical teeth 304 fixed at its end to rotate, and the rotation of the second conical teeth 304 drives the main transmission tube 306 to rotate relative to the U-shaped support tube 307. The first conical teeth 303 meshing with the second conical teeth 304 rotate, thereby driving the cooling liquid pipe 301 arranged at the bottom of the first conical teeth 303 to rotate and the spiral conveying blades 302 fixed on the side of the cooling liquid pipe 301 to rotate. During the operation of the cooling and conveying mechanism 3, the U-shaped support tube 307 and the first extrusion tube 21 are fixed to each other. The rotating joints arranged between the U-shaped support tube 307 and the cooling liquid pipe 301 and between the U-shaped support tube 307 and the main transmission tube 306 can ensure the connection sealing and relative rotation function between the tubes. In addition, a structure is provided so that the cooling liquid pipe 301 and the main transmission tube 306 can be connected. The inner wall of the first extrusion tube 21 only rotates relatively, using a cooling device 308 (the cooling device 308 is a steam absorption refrigeration device, the principle of which is based on the chemical reaction between the absorbent and the refrigerant. The refrigerant absorbs heat in the air through the evaporation process, thereby achieving the purpose of lowering the temperature, that is, it can cool the solution passing through the U-shaped support tube 307, and the cooled solution is circulated along the tube to achieve refrigeration) and a circulating pump extraction device 309 (the circulating pump extraction device is a device mainly used for liquid circulation and transportation. The circulating pump is mainly composed of a motor, an impeller, a pump casing and a sealing device. The motor drives the impeller to rotate, causing a pressure difference in the liquid in the pump casing, thereby forming a liquid flow and completing the circulation and transportation process), so that the cooling liquid circulates along the U-shaped support tube 307 → main transmission tube 306 → cooling liquid tube 301, wherein the rotating spiral conveying blades 302 can drive the initial film extruded by the extruder 2 to be conveyed downward, avoiding adhesion of the initial film to the inner wall of the tube during the cooling process, thereby realizing central cooling and anti-adhesion treatment of the initial film located between the first extrusion tube 21 and the cooling liquid tube 301, and improving the attachment and fixing effect between the initial films in the first extrusion tube 21 and the second extrusion tube 22.

[0047] Embodiment 2:

[0048] This embodiment is based on the first embodiment: a tension adjusting device 4 is provided on one side of the laminating machine 1 , and a tension adjusting mechanism 5 is provided on one side of the tension adjusting device 4 below the composite film.

[0049] Specifically, the tension adjustment mechanism 5 includes a mounting seat 51 fixedly mounted on one side of the tension adjustment device 4, the inner wall of the mounting seat 51 is rotatably engaged with a threaded rod 511, and one end of the threaded rod 511 is located outside the mounting seat 51 and fixed with a rotating handle; a sliding block 513 is slidably engaged with the threaded rotation of the threaded rod 511 at the bottom inner of the mounting seat 51, and a rotating plate 514 is rotatably engaged with one side of the sliding block 513, and a sliding mechanism is fixedly mounted on the top of the mounting seat 51, and the sliding mechanism includes a sleeve and a sliding rod, the sleeve is fixedly mounted on the top of the mounting seat 51, the sleeve and the sliding rod are slidably engaged with each other, and a tension seat 52 is fixed on the top of the sliding rod and is hingedly engaged with the other end of the rotating plate 514.

[0050] Furthermore, a limiting rod 521 is fixed to the inner wall of the tension seat 52, and a threaded shaft 522 is rotatably engaged with the inner wall of the tension seat 52 below the limiting rod 521, and two symmetrical threaded blocks 523 are engaged between the threaded shaft 522 and the limiting rod 521; elastic springs 524 are fixed between the tension seat 52 on the opposite sides of the two threaded blocks 523, and tension adjustment plates 525 are rotatably engaged with one side of the two threaded blocks 523, and a tension roller 526 is arranged between the two tension adjustment plates 525.

[0051] The operation process of this embodiment is as follows: by rotating the threaded rod 511 that rotates the inner wall of the mounting seat 51 forward or reversely, the sliding block 513 that slides and cooperates with the bottom of the mounting seat 51 moves horizontally along the direction of the threaded rod 511, driving the rotating plate 514 that rotates and cooperates with one side of the sliding block 513 to rotate, and driving the tension seat 52 to move closer to or away from the mounting seat 51, thereby adjusting the tension between the tension seat 52 and the composite membrane. Moreover, when the tension between the tension seat 52 and the composite membrane is relatively small, the tension between the tension seat 52 and the composite membrane can be further adjusted by setting the stretched elastic spring 524, the threaded shaft 522 and the tension adjustment plate 525, thereby realizing a large-range active adjustment of the tension and a small-range automatic adjustment of the tension.

[0052] Embodiment three:

[0053] This embodiment is based on the second embodiment: a leveling mechanism 6 is provided between one side of the laminating machine 1 and the unwinding roll 11; the leveling mechanism 6 includes a slide plate 601 which is slidably matched with one side of the laminating machine 1, and connecting frames 602 are fixed at both ends of the slide plate 601, and two leveling rollers 603 are provided between the two connecting frames 602 so as to fit and rotate with the upper and lower surfaces of the composite film.

[0054] Specifically, a reciprocating frame 604 is fixed to one end of the connecting frame 602 .

[0055] Furthermore, an eccentric shaft 111 that is slidably matched with the reciprocating frame 604 is fixed to one end of the unwinding reel 11 .

[0056] The operation process of this embodiment is as follows: during the unloading process of the unloading roll 11, the eccentric shaft 111 is driven to rotate by the rotation of the unloading roll 11, and the sliding cooperation between the eccentric shaft 111 and the reciprocating frame 604 is arranged, so that the reciprocating frame 604 fixed at one end of the connecting frame 602 reciprocates in one direction along one side of the laminating machine 1, so that the two leveling rollers 603 that rotate and cooperate between the two connecting frames 602 can level the upper and lower surfaces of the composite film.

[0057] 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. An automatic synchronization device for a dual-host dual-coating laminating machine, characterized in that: It comprises a laminating machine (1), wherein the laminating machine (1) is provided with two unwinding rolls (11) and two transfer rollers (12), and an extruder (2) is provided above the two transfer rollers (12) and between the two unwinding rolls (11); A first extrusion tube (21) and a second extrusion tube (22) are arranged at the bottom of the extruder (2); the bottom of the first extrusion tube (21) is connected to the second extrusion tube (22); and a cooling material transfer mechanism (3) is arranged on the inner wall of the first extrusion tube (21); The cooling material conveying mechanism (3) comprises a cooling liquid pipe (301) rotatably engaged inside the first extrusion tube (21); a spiral conveying blade (302) rotatably engaged with the inner wall of the first extrusion tube (21) is fixed to the outer peripheral side of the cooling liquid pipe (301); a first conical tooth (303) is arranged on the outer top of the cooling liquid pipe (301); a second conical tooth (304) is meshed above the first conical tooth (303); and a connecting hose (305) is connected between the first conical tooth (303) and the second conical tooth (304); A main transmission tube (306) communicating with the cooling liquid tube (301) is fixed to one end of the second conical tooth (304); a U-shaped support tube (307) having one end rotatably engaged with the main transmission tube (306) is fixedly mounted on the outer peripheral side of the first extrusion tube (21); the other end of the U-shaped support tube (307) extends into the first extrusion tube (21) and rotatably engages with the bottom of the cooling liquid tube (301).

2. The automatic synchronization device for a dual-host dual-coating laminating machine according to claim 1, characterized in that: A cooling device (308) and a circulating pump extraction device (309) are provided on the peripheral side of the U-shaped support tube (307).

3. The automatic synchronization device of a dual-host dual-coating laminating machine according to claim 2, characterized in that: Rotary joints are provided between the U-shaped support tube (307) and the cooling liquid tube (301), and between the U-shaped support tube (307) and the main transmission tube (306).

4. The automatic synchronization device for a dual-host dual-coating laminating machine according to claim 3, characterized in that: A servo motor is fixedly mounted on the peripheral side of the first extrusion tube (21), and a main transmission gear (211) is fixedly connected to the output end of the servo motor; A slave transmission gear ring (310) meshing with the main transmission gear (211) is fixed on the peripheral side of the main transmission tube (306).

5. The automatic synchronization device of a dual-host dual-coating laminating machine according to claim 4, characterized in that: A tension adjustment device (4) is provided on one side of the laminating machine (1), and a tension adjustment mechanism (5) is provided on one side of the tension adjustment device (4) below the composite film.

6. The automatic synchronization device for a dual-host dual-coating laminating machine according to claim 5, characterized in that: The tension adjustment mechanism (5) comprises a mounting seat (51) fixedly mounted on one side of the tension adjustment device (4); a threaded rod (511) is rotatably engaged with the inner wall of the mounting seat (51); and a rotating handle is fixedly mounted on one end of the threaded rod (511) outside the mounting seat (51); The bottom of the mounting seat (51) is slidably engaged with a sliding block (513) that is threadably engaged with the threaded rod (511); one side of the sliding block (513) is rotatably engaged with a rotating plate (514); a sliding mechanism is fixedly mounted on the top of the mounting seat (51); the sliding mechanism comprises a sleeve and a sliding rod; the sleeve is fixedly mounted on the top of the mounting seat (51); the sleeve and the sliding rod are slidably engaged with each other; a tension seat (52) is fixedly mounted on the top of the sliding rod and is hingedly engaged with the other end of the rotating plate (514).

7. The automatic synchronization device for a dual-host dual-coating laminating machine according to claim 6, characterized in that: A limiting rod (521) is fixed to the inner wall of the tension seat (52); a threaded shaft (522) is rotatably engaged with the inner wall of the tension seat (52) below the limiting rod (521); two symmetrical threaded blocks (523) are engaged between the threaded shaft (522) and the limiting rod (521); Elastic springs (524) are fixed between the tension seat (52) and the opposite side surfaces of the two threaded blocks (523); tension adjustment plates (525) are rotatably matched on one side of the two threaded blocks (523); and a tension roller (526) is arranged between the two tension adjustment plates (525).

8. The automatic synchronization device for a dual-host dual-coating laminating machine according to claim 7, characterized in that: A leveling mechanism (6) is provided between one side of the laminating machine (1) and the unwinding roll (11); The leveling mechanism (6) comprises a slide plate (601) that is slidably engaged with a side surface of the laminating machine (1), and connecting frames (602) are fixed at both ends of the slide plate (601). Two leveling rollers (603) are arranged between the two connecting frames (602) and are rotatably engaged with the upper and lower surfaces of the composite film.

9. The automatic synchronization device of a dual-host dual-coating laminating machine according to claim 8, characterized in that: A reciprocating frame (604) is fixed at one end of the connecting frame (602); An eccentric shaft (111) that slidably cooperates with the reciprocating frame (604) is fixed to one end of the unwinding reel (11).

Citation Information

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