Pressing wheel device of film pressing machine

Abstract

The utility model relates to the technical field of pressing wheels of film laminators, and provides a pressing wheel device of a film laminator, which is characterized in that a pressing assembly is arranged on a film laminator base and positioned above a lower hot pressing wheel, and the telescopic end of a telescopic cylinder is started to drive a yoke plate to press downwards, so that pressing wheels arranged on two sides of the yoke plate synchronously press a roller assembly to finish synchronous movement; particularly, two groups of roller columns at the upper part of the roller assembly are attached to the pressurizing wheel to rotate, two groups of roller columns at the lower part of the roller assembly are attached to the upper hot-pressing wheel to rotate, and at the moment, the upper hot-pressing wheel at the bottom of the roller assembly is influenced by the downward-pressing motion of the telescopic cylinder to synchronously press downwards. And the two sets of pressurizing wheels are matched with the rolling wheel assembly, so that pressurizing pressure on the upper hot pressing wheel can be evenly distributed, the abnormal conditions such as bubbles in the die pressing process can be effectively avoided through the design, and then the overall die pressing quality is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of pressing wheels of film pressing machines, and in particular to a pressing wheel device of a film pressing machine. Background Art

[0002] Laminator is a kind of mechanical equipment widely used in various industries. Its main function is to cover the film material on the surface of various plates, sheets, paper and other materials, and firmly combine it with the substrate through heating and pressure, so as to achieve various effects such as protection, beautification and enhancement of the material. How to adjust the spacing between the hot pressing wheels while ensuring the uniform distribution of the hot pressing wheel pressure and avoiding the generation of bubbles during the molding process is a problem that needs to be solved urgently.

[0003] After searching, the announcement number CN217916817U discloses a film pressing wheel for an automatic film pressing machine, including a mounting plate, a sleeve is slidably connected inside the mounting plate, a roller is slidably sleeved outside the sleeve, a connecting block is fixedly connected to the sleeve, the connecting block and the roller are in contact, a bolt is threadedly connected inside the roller, a limiting sleeve is slidably connected inside the connecting block, a clamping block is fixedly connected to the limiting sleeve, and the clamping block is clamped inside the roller. The utility model is provided with a connecting plate, a connecting rod, a spring, a positioning block, a positioning groove and other components. By pulling the positioning block out of the positioning groove, the gap between the two rollers can be easily adjusted, so that the two rollers can be suitable for different substrates, which solves the problem that the existing film pressing wheel for automatic film pressing machine is inconvenient to adjust the gap between the two rollers when in use.

[0004] The above-mentioned laminating wheel for automatic laminating machine cannot apply uniform pressure to the rollers after adjusting the distance between the two sets of rollers, which easily leads to uneven pressure of the rollers during the hot pressing process, and then causes abnormal conditions such as bubbles to occur during the molding process. Utility Model Content

[0005] The utility model provides a pressing wheel device for a film pressing machine, which solves the problem that the prior art cannot uniformly pressurize the roller, which easily leads to uneven pressure on the roller during hot pressing, thereby causing abnormal situations such as bubbles to occur during the die pressing process.

[0006] The technical solution of the utility model is as follows: a pressing wheel device of a film pressing machine, comprising a film pressing machine base, a lower hot pressing wheel rotatably connected to the bottom of the film pressing machine base, the film pressing machine base is located above the lower hot pressing wheel and a pressure assembly is arranged, the pressure assembly comprises a telescopic cylinder for pressurizing, the fixed end of the telescopic cylinder is fixedly installed on the top of the film pressing machine base, the pressure assembly also includes a pressure wheel for fitting and rotating, the film pressing machine base is located below the pressure assembly and a roller assembly is arranged, the roller assembly comprises four groups of roller columns for fitting and rotating, the film pressing machine base is located below the roller assembly and a hot pressing assembly is arranged, the hot pressing assembly comprises an upper hot pressing wheel matching the lower hot pressing wheel, damping springs for telescopic adjustment of the telescopic cylinder are symmetrically installed on both sides of the upper hot pressing wheel, and the bottom fixed end of the damping spring is fixedly connected to the side wall of the film pressing machine base.

[0007] Preferably, the pressurizing assembly further comprises a connecting plate, the middle portion of the connecting plate is fixedly connected to the telescopic end of the telescopic cylinder, and through grooves are symmetrically formed on both sides of the connecting plate.

[0008] Preferably, the pressurizing assembly also includes a rotating shaft and an inner rod, the inner rod is arranged in the pressurizing wheel, one end of the inner rod is fixedly connected to the inner side of the pressurizing wheel, the other end of the inner rod is fixedly connected to the rotating shaft, and first bearings are arranged at the grooves at both ends of the rotating shaft, and the first bearing is fixedly connected to the inner wall of the groove of the rotating shaft.

[0009] Preferably, the pressurizing assembly further includes a first connecting rod, the outer side of the first connecting rod is fixedly connected to the inner ring of the first bearing, and one end of the first connecting rod is fixedly connected to the inner wall of the through groove.

[0010] Preferably, the roller assembly further includes a second bearing, and the second bearing is symmetrically arranged in two groups at the slots at both ends of the roller column, and the outer ring of the second bearing is fixedly connected to the inner wall of the slot of the roller column.

[0011] Preferably, the roller assembly also includes two groups of side plates, which are symmetrically arranged on both sides of the roller column. The roller assembly also includes a second connecting rod, the outer side of the second connecting rod is fixedly connected to the inner ring of the second bearing, and one end of the second connecting rod is fixedly connected to the inner wall of the side plate.

[0012] Preferably, the hot pressing assembly also includes two groups of side columns, which are symmetrically fixedly connected on both sides of the upper hot pressing wheel. The hot pressing assembly also includes a third bearing, which is arranged at a groove on one side of the side column, and the outer ring of the third bearing is fixedly connected to the inner wall of the groove of the side column.

[0013] Preferably, the hot pressing assembly further comprises a mounting plate, one side of which is fixedly connected to the inner ring of the third bearing.

[0014] Preferably, the hot pressing assembly further comprises a mounting column, the bottom of which is fixedly connected to the telescopic end of the damping spring.

[0015] Preferably, the hot pressing assembly also includes bolts and nuts, the bolts pass through the mounting plate and the middle slot of the mounting column and are threadedly connected to the nut at the end of the bolt, and the mounting column is threadedly installed on the side of the mounting column through the bolts and the nut threads.

[0016] The beneficial effects of the utility model are:

[0017] The utility model provides a pressure assembly on the laminating machine base above the lower hot pressing wheel, and the telescopic end of the telescopic cylinder is started to press the connecting plate downward, so that the pressure wheels arranged on both sides of the connecting plate synchronously press the roller assembly downward to complete the synchronous movement. In particular, the upper two groups of roller columns of the roller assembly are fitted with the pressure wheel for rotation and the lower two groups of roller columns are fitted with the upper hot pressing wheel for rotation. At this time, the upper hot pressing wheel located at the bottom of the roller assembly is affected by the downward movement of the telescopic cylinder and is pressed downward synchronously. Through this design, the spacing between the upper hot pressing wheel and the lower hot pressing wheel can be adjusted, and the two groups of pressure wheels cooperate with the roller assembly to make the overall pressure on the upper hot pressing wheel evenly distributed. Through this design, the occurrence of abnormal conditions such as bubbles in the die pressing process can be effectively avoided, thereby improving the overall die pressing quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0019] Figure 1 This is a front view of the overall device of the utility model;

[0020] Figure 2 It is a schematic diagram of the pressurizing component of the utility model;

[0021] Figure 3 It is a schematic diagram of the pressure wheel of the utility model;

[0022] Figure 4 It is a schematic diagram of the roller assembly of the utility model;

[0023] Figure 5 It is a schematic diagram of the roller column of the utility model;

[0024] Figure 6 It is a partial enlarged view of the upper hot pressing wheel and the damping spring of the utility model;

[0025] In the figure: 1. laminating machine base; 11. lower hot pressing wheel; 2. pressurizing assembly; 21. telescopic cylinder; 22. connecting plate; 221. through groove; 23. pressurizing wheel; 231. inner rod; 232. rotating shaft; 233. first bearing; 234. first connecting rod; 3. roller assembly; 31. side plate; 32. roller column; 321. second bearing; 322. second connecting rod; 4. hot pressing assembly; 41. upper hot pressing wheel; 42. side column; 43. third bearing; 44. mounting plate; 45. mounting column; 451. damping spring; 46. bolt; 461. nut. DETAILED DESCRIPTION

[0026] The following will be combined with the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] See also Figure 1 The utility model provides a technical solution: a pressing wheel device of a film press, comprising a film press base 1, a lower hot pressing wheel 11 rotatably connected to the bottom of the film press base 1, the film press base 1 is provided with a pressurizing assembly 2 above the lower hot pressing wheel 11, the pressurizing assembly 2 comprises a telescopic cylinder 21 for pressurizing, the fixed end of the telescopic cylinder 21 is fixedly installed on the top of the film press base 1, the pressurizing assembly 2 also comprises a pressurizing wheel 23 for fitting and rotating, the film press base 1 is provided with a roller assembly 3 below the pressure assembly 2, the roller assembly 3 comprises four groups of roller columns 32 for fitting and rotating The laminator base 1 is located below the roller assembly 3 and is provided with a hot pressing assembly 4. The hot pressing assembly 4 includes an upper hot pressing wheel 41 that matches the lower hot pressing wheel 11. Damping springs 451 for telescopic adjustment of the telescopic cylinder 21 are symmetrically installed on both sides of the upper hot pressing wheel 41. The bottom fixed end of the damping spring 451 is fixedly connected to the side wall of the laminator base 1. This design solves the problem that the prior art cannot uniformly pressurize the roller, which makes it easy for the roller to have uneven pressure during the hot pressing process, which leads to abnormal conditions such as bubbles in the molding process.

[0028] See also Figure 2 and Figure 3The pressure component 2 also includes a connecting plate 22, the middle of the connecting plate 22 is fixedly connected to the telescopic end of the telescopic cylinder 21, and through grooves 221 are symmetrically opened on both sides of the connecting plate 22. The pressure component 2 also includes a rotating shaft 232 and an inner rod 231. The inner rod 231 is arranged in the pressure wheel 23, one end of the inner rod 231 is fixedly connected to the inner side of the pressure wheel 23, and the other end of the inner rod 231 is fixedly connected to the rotating shaft 232. The first bearing 233 is arranged at the slots at both ends of the rotating shaft 232, and the first bearing 233 is connected to the rotating shaft The inner wall of the groove 232 is fixedly connected, the pressure component 2 also includes a first connecting rod 234, the outer side of the first connecting rod 234 is fixedly connected to the inner ring of the first bearing 233, and one end of the first connecting rod 234 is fixedly connected to the inner wall of the through groove 221. The roller assembly 3 also includes a second bearing 321, and the second bearing 321 is symmetrically arranged in two groups at the grooves at both ends of the roller column 32. The outer ring of the second bearing 321 is fixedly connected to the inner wall of the groove of the roller column 32. Through this design, the pressure wheel 23 can rotate more smoothly.

[0029] See also Figure 4 and Figure 5 The roller assembly 3 also includes two groups of side plates 31, which are symmetrically arranged on both sides of the roller column 32. The roller assembly 3 also includes a second connecting rod 322. The outer side of the second connecting rod 322 is fixedly connected to the inner ring of the second bearing 321, and one end of the second connecting rod 322 is fixedly connected to the inner wall of the side plate 31. This design can make the roller column 32 rotate more smoothly.

[0030] See also Figure 1 The hot pressing assembly 4 also includes two groups of side columns 42, which are symmetrically fixedly connected to both sides of the upper hot pressing wheel 41. The hot pressing assembly 4 also includes a third bearing 43, which is arranged at a slot on one side of the side column 42. The outer ring of the third bearing 43 is fixedly connected to the inner wall of the slot of the side column 42. The hot pressing assembly 4 also includes a mounting plate 44, one side of the mounting plate 44 is fixedly connected to the inner ring of the third bearing 43. The hot pressing assembly 4 also includes a mounting column 45, and the bottom of the mounting column 45 is fixedly connected to the telescopic end of the damping spring 451. The hot pressing assembly 4 also includes a bolt 46 and a nut 4 61, the bolt 46 passes through the mounting plate 44 and the middle slot of the mounting column 45 and is threadedly connected to the nut 461 at the end of the bolt 46, and the mounting column 45 is threadedly mounted on the side of the mounting column 45 by the bolt 46 and the nut 461. By designing the damping spring 451, when the telescopic end of the telescopic cylinder 21 contracts, the upper hot pressing wheel 41 is reset and moved under the action of the damping spring 451. In particular, the present design uses the bolt 46 threaded mounting for the mounting column 45 and the upper hot pressing wheel 41, and this design also facilitates the disassembly and assembly of the upper hot pressing wheel 41 at a later stage.

[0031] The working principle and use process of the utility model are as follows:

[0032] The utility model is provided with a pressurizing assembly 2 above the lower hot pressing wheel 11 on the laminating machine base 1, and the telescopic end of the telescopic cylinder 21 is started to drive the connecting plate 22 to press down, so that the pressurizing wheels 23 arranged on both sides of the connecting plate 22 are synchronously pressed down on the roller assembly 3 to complete the synchronous movement. In particular, the upper two groups of roller columns 32 of the roller assembly 3 are fitted with the pressurizing wheel 23 to rotate and the lower two groups of roller columns 32 are fitted with the upper hot pressing wheel 41 to rotate. At this time, the upper hot pressing wheel 41 located at the bottom of the roller assembly 3 is synchronously pressed down by the downward movement of the telescopic cylinder 21. Through this design, the upper hot pressing wheel 41 and the lower hot pressing wheel 41 can be adjusted. The spacing between the wheels 11 is large, and the two sets of pressure wheels 23 cooperate with the roller assembly 3 to make the overall pressure on the upper hot pressing wheel 41 evenly distributed. In particular, the damping spring 451 can make the upper hot pressing wheel 41 reset and move under the action of the damping spring 451 when the telescopic end of the telescopic cylinder 21 contracts. In particular, the present design uses bolts 46 to threadedly install the mounting column 45 and the upper hot pressing wheel 41. This design also facilitates the disassembly and assembly of the upper hot pressing wheel 41 at a later stage. Therefore, the overall design can effectively avoid the occurrence of abnormal conditions such as bubbles during the molding process, thereby improving the overall molding quality.

[0033] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A pressing wheel device of a laminating machine, comprising a laminating machine base (1), and a lower hot pressing wheel (11) rotatably connected to the bottom of the laminating machine base (1), characterized in that: The laminating machine base (1) is provided with a pressurizing assembly (2) located above the lower hot pressing wheel (11), the pressurizing assembly (2) comprises a telescopic cylinder (21) for pressurizing, the fixed end of the telescopic cylinder (21) is fixedly mounted on the top of the laminating machine base (1), the pressurizing assembly (2) also comprises a pressurizing wheel (23) for fitting and rotating, the laminating machine base (1) is provided with a roller assembly (3) located below the pressurizing assembly (2), the roller assembly (3) comprises four The laminating machine base (1) is provided with a hot pressing assembly (4) located below the roller assembly (3), and the hot pressing assembly (4) comprises an upper hot pressing wheel (41) matching with the lower hot pressing wheel (11), and damping springs (451) for telescopic adjustment of the telescopic cylinder (21) are symmetrically installed on both sides of the upper hot pressing wheel (41), and the bottom fixed end of the damping spring (451) is fixedly connected to the side wall of the laminating machine base (1).

2. A pressing wheel device for a laminating machine according to claim 1, characterized in that: The pressurizing assembly (2) further comprises a connecting plate (22), the middle portion of which is fixedly connected to the telescopic end of the telescopic cylinder (21), and through grooves (221) are symmetrically formed on both sides of the connecting plate (22).

3. The pressing wheel device of a laminating machine according to claim 1, characterized in that: The pressurizing assembly (2) further comprises a rotating shaft (232) and an inner rod (231); the inner rod (231) is arranged inside the pressurizing wheel (23); one end of the inner rod (231) is fixedly connected to the inner side of the pressurizing wheel (23); the other end of the inner rod (231) is fixedly connected to the rotating shaft (232); first bearings (233) are arranged at the slots at both ends of the rotating shaft (232); the first bearing (233) is fixedly connected to the inner wall of the slot of the rotating shaft (232).

4. The pressing wheel device of a laminating machine according to claim 1, characterized in that: The pressurizing assembly (2) further comprises a first connecting rod (234), the outer side of the first connecting rod (234) being fixedly connected to the inner ring of the first bearing (233), and one end of the first connecting rod (234) being fixedly connected to the inner wall of the through groove (221).

5. The pressing wheel device of a laminating machine according to claim 1, characterized in that: The roller assembly (3) further comprises a second bearing (321), wherein the second bearing (321) is symmetrically arranged in two groups at the slots at both ends of the roller column (32), and the outer ring of the second bearing (321) is fixedly connected to the inner wall of the slot of the roller column (32).

6. The pressing wheel device of a laminating machine according to claim 1, characterized in that: The roller assembly (3) further comprises two groups of side plates (31), the two groups of side plates (31) being symmetrically arranged on both sides of the roller column (32), the roller assembly (3) further comprises a second connecting rod (322), the outer side of the second connecting rod (322) being fixedly connected to the inner ring of the second bearing (321), and one end of the second connecting rod (322) being fixedly connected to the inner wall of the side plate (31).

7. The pressing wheel device of a laminating machine according to claim 1, characterized in that: The hot pressing assembly (4) further comprises two groups of side columns (42), the two groups of side columns (42) being symmetrically fixedly connected to the two sides of the upper hot pressing wheel (41), the hot pressing assembly (4) further comprises a third bearing (43), the third bearing (43) being arranged at a slot on one side of the side column (42), the outer ring of the third bearing (43) being fixedly connected to the inner wall of the slot of the side column (42).

8. The pressing wheel device of a laminating machine according to claim 1, characterized in that: The hot pressing assembly (4) further comprises a mounting plate (44), one side of which is fixedly connected to the inner ring of the third bearing (43).

9. The pressing wheel device of a laminating machine according to claim 1, characterized in that: The hot pressing assembly (4) further comprises a mounting column (45), the bottom of which is fixedly connected to the telescopic end of the damping spring (451).

10. The pressing wheel device of a laminating machine according to claim 1, characterized in that: The hot pressing assembly (4) also includes a bolt (46) and a nut (461), wherein the bolt (46) passes through a slot in the middle of the mounting plate (44) and the mounting column (45) and is threadedly connected to the nut (461) at the end of the bolt (46), and the mounting column (45) is threadedly mounted on the side of the mounting column (45) through the bolt (46) and the nut (461).

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