A worm gear electric structure of a film laminating machine and the film laminating machine

Abstract

The worm gear motor structure of the film laminating machine is provided, the motor drives the driving shaft to rotate through the worm gear transmission structure, the mounting bracket comprises a first mounting plate and a second mounting plate, the end of the motor is fixedly connected with the first mounting plate, the rotating shaft extends from the end of the motor and extends through the second mounting plate, the thrust bearing, the worm gear and the flange bearing are sequentially sleeved on the rotating shaft from outside to inside along the axial direction of the rotating shaft, the worm gear axially limits the thrust bearing at the end of the motor, the rotating shaft is provided with a step for axially mounting the flange bearing, and the second mounting plate is provided with a mounting hole; when the end of the motor is fixedly connected with the first mounting plate, the flange bearing is sleeved with the mounting hole, and under the action of the step and the flange part of the flange bearing, the flange bearing is axially limited and mounted on the second mounting plate; the motor is protected, and the structure is simpler; and the film laminating machine adopting the worm gear motor structure of the film laminating machine is also provided.

Description

Technical Field

[0001] This utility model relates to the field of laminating machine technology, specifically to a worm gear electric structure for a laminating machine and a laminating machine. Background Technology

[0002] The laminating machine achieves lamination through the pressure between the film rollers and temperature. Therefore, lamination pressure is one of the key factors. In the existing technology, the adjustment of lamination roller pressure mainly relies on mechanical structure. When adjusting the lamination roller, manual operation is required, which is quite laborious. In addition, the adjustment accuracy is low.

[0003] When an electric mechanism is used to adjust the laminating roller, the motor part of the electric mechanism is subjected to a very large force due to the influence of the interaction force, which is not conducive to the operation of the motor. If a multi-stage gear reduction and torque release are used, the structure becomes too complicated. Therefore, it is important to design an electric mechanism for the laminating machine that is conducive to protecting the motor and has a simpler structure. This is of great significance for reducing the cost of the laminating machine and reducing the size of the structure. Utility Model Content

[0004] The technical problem to be solved by this utility model is to overcome the defects of the prior art and propose a worm gear electric structure for a laminating machine, which is beneficial to the protection of the motor and has a simpler structure; it also proposes a laminating machine that adopts the aforementioned worm gear electric structure for a laminating machine.

[0005] Compared with the prior art, this utility model proposes a worm gear electric structure for a laminating machine, including a mounting bracket, a motor, a worm gear, and a worm. The worm is fixedly connected to the rotating shaft of the motor, and the worm gear is used to connect to the drive shaft of the laminating roller of the laminating machine. The motor drives the drive shaft to rotate through the worm gear transmission structure, and the rotation of the drive shaft drives the adjustment of the laminating roller.

[0006] Furthermore, the mounting bracket includes two parallel mounting plates, namely the first mounting plate and the second mounting plate. The end of the motor is fixedly connected to the first mounting plate. The rotating shaft extends from the end of the motor and passes through the second mounting plate. A thrust bearing, a worm gear, and a flange bearing are sequentially mounted from the outside to the inside along the axial direction of the rotating shaft. The worm gear axially limits the thrust bearing at the end of the motor, and the rotating shaft has a step for axially mounting the flange bearing. The second mounting plate has mounting holes. When the end of the motor is fixedly connected to the first mounting plate, the flange bearing is fitted into the mounting holes, and under the action of the step and the flange part of the flange bearing, the flange bearing is axially limited and mounted on the second mounting plate. The thrust bearing and the flange bearing work together to support the worm gear and the rotating shaft.

[0007] Compared with the prior art, the present invention has the following advantages after adopting the above structure: This design directly drives the worm gear via the motor shaft, without any speed reduction process, relying entirely on the worm wheel and worm for deceleration. While this simplifies the structure to the extreme and uses the locking action of the worm wheel and worm to stabilize the coating roller, the applicant discovered during actual engineering verification that, due to the reverse force of the coating roller, amplified in the opposite direction by the worm wheel and worm, unforeseen problems such as shaft bending and axial displacement of the shaft may occur when the coating roller is under heavy load. The conventional solution to these problems is to increase the diameter of the shaft, but this would increase the size of various components such as the motor, worm, and mounting bracket. The increased weight and larger overall structure present a challenge. Instead of adopting conventional approaches, this disclosure addresses the technical problem through structural innovation. Specifically, the technical solution further incorporates thrust bearings, flange bearings, and other related structures. The flange bearings are mounted on a second mounting plate, while the first mounting plate is used to fix the end of the motor. In other words, the first mounting plate is used to fix the motor. This not only allows for convenient and precise mounting of the thrust bearings, worm gear, and flange bearings onto the shaft but also solves the technical problem of how to conveniently mount them onto the first and second mounting plates, i.e., how to conveniently mount them onto the mounting bracket while simultaneously installing the flange bearings.

[0008] In this disclosure, the thrust bearing and the flange bearing can work together to provide axial support for the worm and the shaft. The flange bearing also provides radial support for the shaft, effectively preventing the shaft from bending relative to the motor. At the same time, the worm is mounted on the shaft, which also helps to enhance the shaft's bending resistance. This helps to solve the unforeseen problems such as shaft bending and axial movement caused by the shaft being pushed in the axial direction. Therefore, it is beneficial to protect the motor and the structure is simpler.

[0009] As can be seen from the above, this disclosure not only helps to solve unforeseen problems such as shaft bending and shaft movement caused by axial thrust, but also solves the technical problem of how to more conveniently install the relevant structure onto the mounting bracket.

[0010] In some embodiments, a shim is provided between the thrust bearing and the worm gear, and the shim is fitted onto the rotating shaft.

[0011] In some embodiments, the mounting bracket includes a U-shaped body and a mounting plate, the U-shaped body and the mounting plate are connected to form a U-shaped frame structure, and the U-shaped body is fixedly connected to the mounting plate, with the two side walls of the U-shaped body serving as the first mounting plate and the second mounting plate, respectively.

[0012] In some embodiments, a plug-in portion is provided on one side of the U-shaped body located on the mounting plate, and a corresponding plug-in hole is provided on the mounting plate. The U-shaped body and the mounting plate are connected to form a U-shaped frame structure through the cooperation of the plug-in portion and the plug-in hole.

[0013] In some embodiments, the upper and lower sides of the U-shaped body are provided with reinforcing plates that are bent outwards.

[0014] In some embodiments, the mounting bracket has a vertical insertion part on one side of the wall panel of the connected laminating machine. The wall panel has a vertical insertion hole. The insertion part and the insertion hole are able to be inserted and engaged vertically. In the horizontal direction, the two outer sides of the insertion part are in contact with the two inner sides of the insertion hole so that the horizontal force on the mounting bracket is transmitted to the wall panel, thereby realizing the horizontal support of the mounting bracket by the wall panel.

[0015] In some embodiments, a sleeve portion is provided at the end of the motor, and a sleeve hole is provided on the first mounting plate. The sleeve hole and the mounting hole are coaxially arranged, and the diameter of the sleeve hole is greater than the maximum diameter of the thrust bearing, worm gear and flange bearing. When the end of the motor is fixedly connected to the first mounting plate, the sleeve portion and the sleeve hole are sleeved to position the motor. Attached Figure Description

[0016] Figure 1 This is a three-dimensional schematic diagram of the worm gear electric structure of a laminating machine (the drive shaft is shown for clarity).

[0017] Figure 2 This is a top view of a worm gear electric structure for a laminating machine.

[0018] Figure 3 This is a sectional view along axis AA.

[0019] Figure 4 This is a three-dimensional schematic diagram of a worm gear electric structure for a laminating machine after the mounting plate has been removed.

[0020] Figure 5 This is a three-dimensional diagram showing the motor first connected to the thrust bearing, worm gear, and flange bearing to form an assembly before being installed onto the mounting bracket.

[0021] Figure 6 for Figure 5 A three-dimensional schematic diagram after removing the thrust bearing and flange bearing from the original design.

[0022] Figure 7 This is a three-dimensional schematic diagram of a U-shaped main body.

[0023] Figure 8 This is a three-dimensional schematic diagram of a mounting plate.

[0024] Figure 9 This is a three-dimensional schematic diagram of a laminating machine.

[0025] Figure 10 for Figure 9 A three-dimensional schematic diagram after removing the side wall panels.

[0026] Figure 11 This is an enlarged schematic diagram of A.

[0027] Explanation of reference numerals in the attached drawings: 1-Mounting bracket, 2-Motor, 3-Worm gear, 4-Worm, 5-Rotating shaft, 6-Coating roller, 7-Drive shaft, 8-First mounting plate, 9-Second mounting plate, 10-Thrust bearing, 11-Flange bearing, 12-End, 13-Step, 14-Mounting hole, 15-Flange, 16-Gasket, 17-U-shaped body, 18-Mounting plate, 19-Interlocking part, 20-Interlocking hole, 21-Reinforcing plate, 22-Wall panel, 23-Interlocking hole, 24-Sleeve part, 25-Sleeveing ​​hole, 26-Top block, 27-Swing arm, 28-Shaft, 29-Guide rod, 30-Spring, 31-Cam, 32-Fixing pin. Detailed Implementation

[0028] The following description is intended to disclose the present invention so that those skilled in the art can implement it. The embodiments described below are merely examples, and other obvious variations will arise for those skilled in the art. The basic principles of the present invention defined in the following description can be applied to other embodiments, modifications, improvements, equivalents, and other technical solutions that do not depart from the spirit and scope of the present invention.

[0029] like Figures 1 to 8 As shown, this disclosure proposes a worm gear electric structure for a laminating machine, including a mounting bracket (1), a motor (2), a worm gear (3), and a worm (4). The worm (4) is fixedly connected to the rotating shaft (5) of the motor (2), for example, as shown in the figure. Figure 3 , 4 As shown, the worm (4) is fixed on the rotating shaft (5) by the fixing pin 32, and the worm wheel (3) is used to connect with the drive shaft (7) of the coating roller (6) of the coating machine. The motor (2) drives the drive shaft (7) to rotate through the worm wheel (3) and worm (4) transmission structure. The rotation of the drive shaft (7) drives the adjustment of the coating roller (6).

[0030] Furthermore, the mounting bracket (1) includes two mounting plates (18) arranged parallel to each other, namely the first mounting plate (8) and the second mounting plate (9). The end (12) of the motor (2) is fixedly connected to the first mounting plate (8). The rotating shaft (5) extends from the end (12) of the motor (2) and passes through the second mounting plate (9). A thrust bearing (10), a worm gear (4) and a flange bearing (11) are sequentially mounted along the axial direction of the rotating shaft (5) from the outside to the inside. The worm gear (4) axially limits the thrust bearing (10) to the end (12) of the motor (2). The shaft (5) is provided with a step (13) for axially mounting the flange bearing (11), and the second mounting plate (9) is provided with a mounting hole (14). When the end (12) of the motor (2) is fixedly connected to the first mounting plate (8), the flange bearing (11) is fitted into the mounting hole (14), and under the action of the step (13) and the flange part (15) of the flange bearing (11), the flange bearing (11) is axially limited and mounted on the second mounting plate (9). The thrust bearing (10) and the flange bearing (11) work together to support the worm (4) and the shaft (5).

[0031] In some embodiments, such as Figure 3 , 4 As shown, a shim (16) is provided between the thrust bearing (10) and the worm (4), and the shim (16) is fitted on the rotating shaft (5). In this way, when using thrust bearings (10) of different thicknesses and worms (4) of different lengths, the shims (16) can be added or removed to make adjustments, thereby ensuring a reliable fit between the thrust bearing (10) and the worm (4).

[0032] In some embodiments, such as Figure 1 , 3 As shown in Figures 4, 7, and 8, the mounting bracket (1) includes a U-shaped body (17) and a mounting plate (18). The U-shaped body (17) and the mounting plate (18) are connected to form a U-shaped frame structure, and the U-shaped body (17) and the mounting plate (18) are fixedly connected, for example by welding. The two side walls of the U-shaped body (17) serve as the first mounting plate (8) and the second mounting plate (9), respectively. In this way, the deformation resistance of the mounting bracket (1) is improved through structural improvement, wherein the first mounting plate (8) and the second mounting plate (9) have better support strength.

[0033] In some embodiments, such as Figure 1 , 7 As shown in Figure 8, a plug-in part (19) is provided on one side of the U-shaped main body (17) located on the mounting plate (18), and a corresponding plug-in hole (20) is provided on the mounting plate (18). The U-shaped main body (17) and the mounting plate (18) are connected to form a U-shaped frame structure through the cooperation of the plug-in part (19) and the plug-in hole (20). In this way, assembly is more convenient, and the structural strength is high, which is beneficial for support.

[0034] In some embodiments, such as Figure 3 , 4 As shown, the upper and lower sides of the U-shaped main body (17) are provided with reinforcing plates (21) that are bent outwards. In this way, through structural modification, the first mounting plate (8) and the second mounting plate (9) have better support strength, so that the first mounting plate (8) and the second mounting plate (9) are not too thick.

[0035] In some embodiments, such as Figure 1 , 11 As shown, the mounting bracket (1) has a vertical insertion part (19) on one side of the wall panel (22) of the connected laminating machine. The wall panel (22) has a vertical insertion hole (23). The insertion part (19) and the insertion hole (23) can be inserted and engaged vertically. In the horizontal direction, the two outer sides of the insertion part (19) are in contact with the two inner sides of the insertion hole (23) so that the horizontal force on the mounting bracket (1) is transmitted to the wall panel (22), thereby realizing the horizontal support of the mounting bracket (1) by the wall panel (22).

[0036] Since the coating roller 6 is subjected to a large force, according to the physical principle of interaction force, the lateral force transmitted to the mounting bracket 1 through the worm 9 and worm wheel 8 will be very large. If screws are used to fix the mounting bracket 1 laterally, screws with a large diameter and thick wall plate 22 are required for connection, which significantly increases the structure, weight and cost. However, this application uses the insertion part (19) and insertion hole (23) to bear the lateral force, thereby effectively avoiding increasing the diameter of the screw and the thickness of the wall plate 22. This improvement is very important for controlling the weight and cost of the coating machine.

[0037] Since the lateral force is borne by the insertion part (19) and the insertion hole (23), the screw used for connection is basically not subject to the lateral force and mainly bears the axial force.

[0038] In some embodiments, such as Figure 3 , 5 As shown, the end (12) of the motor (2) is provided with a sleeve part (24), and the first mounting plate (8) is provided with a sleeve hole (25). The sleeve hole (25) is coaxially arranged with the mounting hole (14), and the diameter of the sleeve hole (25) is greater than the maximum diameter of the thrust bearing (10), the worm (4) and the flange bearing (11). When the end (12) of the motor (2) is fixedly connected to the first mounting plate (8), the sleeve part (24) and the sleeve hole (25) are sleeved to position the motor (2).

[0039] When this invention is installed in a laminating machine, the drive shaft (7) is rotatably supported on two wall plates 22. The laminating roller 6 is located between the two wall plates 22, and both ends of the laminating roller 6 extend beyond the wall plates 22 and are rotatably connected to the swing arm 27. Each end of the drive shaft (7) is equipped with a cam 31, which drives the swing arm 27 to move. The movement of the swing arm 27 drives the laminating roller 6 to achieve electric adjustment. A mounting bracket 1 is provided on the inner side of one of the two wall plates 22, and the motor 7 is connected to the mounting bracket 1. Thus, the structure is compact.

[0040] In some embodiments, such as Figure 9 , 10 As shown, the swing arm 27 is mounted on the outside of the wall panel 22 and can swing up and down around the shaft 28. One swing arm 27 is installed for each wall panel 22. Each end of the coating roller 6 is connected to a swing arm 27. The swing arm 27 drives the coating roller 6 to rise and fall by swinging to change the pressure.

[0041] To better drive the swing arm 27, such as Figure 9 , 10 As shown, two parallel guide rods 29 are connected to the lower side of the swing arm 27. A top block 26 is slidably sleeved on each guide rod 29. A spring 30 is positioned between the lower side of the swing arm 27 and the upper side of the top block 26, with one spring 30 sleeved on each guide rod 29. A cam is located on the lower side of the top block 26. When the cam rotates, it abuts against the lower side of the top block 26 to change its vertical position. The top block 26 then pushes the swing arm 27 to swing via the spring 30. This structure is an indirect abutment connection.

[0042] In this example, each cam 31 is equipped with a bearing, and the outer periphery of the bearing rests against the lower side of the top block 26, thereby reducing friction during the pushing process.

[0043] When understanding this disclosure, the above structure may be referred to other embodiments / appendices if necessary. Figure 1 And that is understood, so I will not elaborate further here.

[0044] The above description is merely an illustrative embodiment of this utility model. Therefore, all equivalent changes or modifications made to the structure, features, and principles described in the scope of protection of this utility model are included within the scope of protection of this utility model.

Claims

1. A worm gear electric structure for a laminating machine, characterized in that, It includes a mounting bracket (1), a motor (2), a worm gear (3) and a worm (4). The worm (4) is fixedly connected to the rotating shaft (5) of the motor (2). The worm gear (3) is used to connect to the drive shaft (7) of the laminating roller (6) of the laminating machine. The motor (2) drives the drive shaft (7) to rotate through the worm gear (3) and worm (4) transmission structure. The rotation of the drive shaft (7) drives the adjustment of the laminating roller (6). Furthermore, the mounting bracket (1) includes two mounting plates (18) arranged parallel to each other, namely the first mounting plate (8) and the second mounting plate (9). The end (12) of the motor (2) is fixedly connected to the first mounting plate (8). The rotating shaft (5) extends from the end (12) of the motor (2) and passes through the second mounting plate (9). A thrust bearing (10), a worm gear (4) and a flange bearing (11) are sequentially mounted along the axial direction of the rotating shaft (5) from the outside to the inside. The worm gear (4) axially limits the thrust bearing (10) to the end (12) of the motor (2). The shaft (5) is provided with a step (13) for axially mounting the flange bearing (11), and the second mounting plate (9) is provided with a mounting hole (14). When the end (12) of the motor (2) is fixedly connected to the first mounting plate (8), the flange bearing (11) is fitted into the mounting hole (14), and under the action of the step (13) and the flange part (15) of the flange bearing (11), the flange bearing (11) is axially limited and mounted on the second mounting plate (9). The thrust bearing (10) and the flange bearing (11) work together to support the worm (4) and the shaft (5).

2. The worm gear electric structure of the laminating machine as described in claim 1, characterized in that, A shim (16) is provided between the thrust bearing (10) and the worm (4), and the shim (16) is fitted onto the rotating shaft (5).

3. The worm gear electric structure of the laminating machine as described in claim 1, characterized in that, The mounting bracket (1) includes a U-shaped body (17) and a mounting plate (18). The U-shaped body (17) and the mounting plate (18) are connected to form a U-shaped frame structure. The U-shaped body (17) and the mounting plate (18) are fixedly connected. The two side walls of the U-shaped body (17) serve as the first mounting plate (8) and the second mounting plate (9), respectively.

4. The worm gear electric structure of the laminating machine as described in claim 3, characterized in that, The U-shaped main body (17) is provided with a plug-in part (19) on one side of the mounting plate (18), and the mounting plate (18) is provided with a corresponding plug-in hole (20). The U-shaped main body (17) and the mounting plate (18) are connected to form a square frame structure through the cooperation of the plug-in part (19) and the plug-in hole (20).

5. The worm gear electric structure of the laminating machine as described in claim 3 or 4, characterized in that, The upper and lower sides of the U-shaped main body (17) are provided with reinforcing plates (21) that are bent outward.

6. The worm gear electric structure of the laminating machine as described in claim 3 or 4, characterized in that, The mounting bracket (1) has a vertical insertion part (19) on one side of the wall panel (22) of the connected laminating machine. The wall panel (22) has a vertical insertion hole (23). The insertion part (19) and the insertion hole (23) can be inserted and engaged vertically. In the horizontal direction, the two outer sides of the insertion part (19) are in contact with the two inner sides of the insertion hole (23) so that the horizontal force on the mounting bracket (1) is transmitted to the wall panel (22), thereby realizing the horizontal support of the mounting bracket (1) by the wall panel (22).

7. The worm gear electric structure of the laminating machine as described in claim 1, characterized in that, The end (12) of the motor (2) is provided with a sleeve part (24), and the first mounting plate (8) is provided with a sleeve hole (25). The sleeve hole (25) is coaxially arranged with the mounting hole (14), and the diameter of the sleeve hole (25) is greater than the maximum diameter of the thrust bearing (10), the worm (4) and the flange bearing (11). When the end (12) of the motor (2) is fixedly connected to the first mounting plate (8), the sleeve part (24) and the sleeve hole (25) are sleeved to position the motor (2).

8. A laminating machine, comprising a laminating roller (6), characterized in that, It also includes the worm gear electric structure of the laminating machine as described in any one of claims 1 to 7.

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