Adjustable upper compression roller device of film laminating machine
By adopting a two-stage driving mechanism of an arc-shaped swing arm and a drive shaft in the on-board pressing roller device of the film machine, the controllability of the pressure of the pressing roller is achieved, and the problem of uncontrollable pressure adjustment in the prior art is solved, preventing the tape paper from being strained or broken, and ensuring the quality of the film.
Patent Information
- Application Number
- CN202422129019.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-31
- Publication Date
- 2025-06-06
- Estimated Expiration
- 2034-08-31
AI Technical Summary
The pressure adjustment of the press roller on the existing coating machine is uncontrollable, which can easily lead to the label paper being strained or broken.
A coating machine adjustable press roller device is designed, and a two-stage driving mechanism of an arc-shaped swing arm and a drive shaft is adopted to make the pressure of the press roller have a buffer space and realize the pressure controllable.
Effectively prevent the label paper from being strained or broken due to excessive pressure on the upper press roller, and ensure the quality of the label paper coating.
Smart Images
Figure CN222946362U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of label laminating machines, in particular to an adjustable upper pressure roller device of a laminating machine. Background Art
[0002] After the self-adhesive label is printed and glued, a laminating machine is needed to bond the backing paper to the back of the label. The laminating machine mainly bonds the backing paper and the label paper together through the upper and lower pressing rollers that are arranged opposite to each other.
[0003] The existing laminating machines usually have a lower pressure roller that is fixed and cylinders are set at both ends of the upper pressure roller. The gap between the upper and lower pressure rollers is adjusted by the cylinder drive to adjust the pressure applied to the label paper. Although the adjustment method has a simple structure, the pressure applied to the label paper is uncontrollable. It is often easy for the label paper to be torn or even broken due to excessive pressure from the upper pressure roller, which is not conducive to the lamination of the label paper. In view of this, the inventor has made a new invention. Utility Model Content
[0004] The utility model aims to provide an adjustable upper pressure roller device for a laminating machine in view of the deficiencies in the prior art, which has the characteristic of controllable pressure of the pressure roller.
[0005] To achieve the above-mentioned purpose, the utility model is an adjustable upper pressure roller device for a laminating machine, including an upper pressure roller and a driving device for driving the upper pressure roller, and also including a driving shaft, a first swing arm and a second swing arm, the first swing arm and the second swing arm are both arranged in an arc shape, and one end of the first swing arm and the second swing arm are connected to the driving shaft, and the other end is respectively connected to the two end parts of the upper pressure roller; the driving device drives the driving shaft to rotate, and the driving shaft drives the first swing arm and the second swing arm to rotate to drive the upper pressure roller to swing.
[0006] Preferably, the driving device is a driving cylinder, and the driving cylinder is arranged at an angle.
[0007] Preferably, the driving device is transmission-connected to the driving shaft via a movable frame; the movable frame comprises a fixed shaft and a first connecting arm and a second connecting arm arranged at both ends of the fixed shaft, and the other ends of the first connecting arm and the second connecting arm are fixedly connected to the driving shaft.
[0008] Preferably, a limiting groove is provided at one end of the first swing arm and the second swing arm connected to the upper pressing roller; an adjusting screw is also included, the adjusting screw is arranged in the limiting groove, and the adjusting screw is threadedly connected to the end of the upper pressing roller.
[0009] Preferably, the first swing arm and the second swing arm are both detachably connected to the drive shaft.
[0010] Preferably, the ends of the first swing arm and the second swing arm are both provided with an assembly hole with an opening; the opening of the assembly hole is also provided with a threaded hole, the threaded hole is assembled with a screw, and also includes a nut for fixing the screw.
[0011] Preferably, the outer periphery of the nut is provided with a plurality of protrusions for facilitating the rotation of the nut.
[0012] Preferably, a slide groove is provided on the outer wall of the driving shaft; a clamping block is provided inside the assembling hole, and the clamping block is slidably connected to the slide groove.
[0013] Beneficial effect: Compared with the prior art, the utility model is an adjustable upper pressure roller device for a laminating machine, comprising an upper pressure roller and a driving device for driving the upper pressure roller, and also comprising a driving shaft, a first swing arm and a second swing arm, wherein the first swing arm and the second swing arm are both arranged in an arc shape, and one end of the first swing arm and the second swing arm are connected to the driving shaft; in the utility model, the upper pressure roller is no longer adjusted linearly by adjusting the cylinder, but the movement of the upper pressure roller is set to a two-stage drive, and the swing parts at both ends of the upper pressure roller are arranged in an arc shape, so that the pressure of the upper pressure roller has a buffer space, that is, the space for regulating the roller pressure is larger, which can effectively prevent the label paper from being stretched or damaged due to excessive pressure of the upper pressure roller. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model.
[0015] Figure 2 It is a schematic diagram of the structure of the first swing arm of the utility model.
[0016] Figure 3 This is a schematic diagram of the drive shaft structure of the utility model.
[0017] Figure 4 It is a schematic diagram of the nut structure of the utility model.
[0018] Reference numerals include:
[0019] Upper pressure roller--1, driving device--2, driving shaft--3, sliding groove--31, first swing arm--4, limiting groove--41, adjusting screw--42, assembling hole--43, screw--44, nut--45, protrusion--46, block--47, second swing arm--5, movable frame--6, fixed shaft--61, first connecting arm--62, second connecting arm--63. DETAILED DESCRIPTION
[0020] The following is combined with Figures 1 to 4 The utility model is described in detail.
[0021] The utility model is an adjustable upper pressure roller device for a laminating machine. Figure 1 , including an upper pressing roller 1 and a driving device 2 for driving the upper pressing roller 1, and also including a driving shaft 3, a first swing arm 4 and a second swing arm 5, wherein the first swing arm 4 and the second swing arm 5 are both arranged in an arc shape, and one end of the first swing arm 4 and the second swing arm 5 are connected to the driving shaft 3, and the other end is respectively connected to the two ends of the upper pressing roller 1; the driving device 2 drives the driving shaft 3 to rotate, and the driving shaft 3 drives the first swing arm 4 and the second swing arm 5 to rotate and drive the upper pressing roller 1 to swing. In the utility model, the upper pressing roller 1 is no longer adjusted linearly by adjusting the cylinder, but the movement of the upper pressing roller 1 is set to an inclined two-stage drive, and the swinging parts at both ends of the upper pressing roller 1 are arranged in an arc shape, so that the pressure of the upper pressing roller 1 has a buffer space, that is, the space for adjusting the roller pressure is larger, which can effectively prevent the label paper from being stretched or damaged due to excessive pressure of the upper pressing roller 1.
[0022] Preferably, the driving device 2 is a driving cylinder, which is arranged obliquely. The driving cylinder and both ends of the driving shaft 3 are provided with a fixed shaft 61 seat, which is convenient for assembling the device in the laminating machine.
[0023] In the technical solution, the driving device 2 is connected to the driving shaft 3 through a movable frame 6; the movable frame 6 includes a fixed shaft 61 and a first connecting arm 62 and a second connecting arm 63 provided at both ends of the fixed shaft 61, and the other ends of the first connecting arm 62 and the second connecting arm 63 are fixedly connected to the driving shaft 3. In the technical solution, the driving force of the driving device 2 is transmitted to the driving shaft 3 through the movable frame 6. Compared with only a single cylinder, the whole device will be more stable and can maintain the balance of both ends of the upper pressing roller 1.
[0024] Preferably, the first swing arm 4 and the second swing arm 5 are connected to the upper pressing roller 1 at one end thereof, and a limiting groove 41 is provided; an adjusting screw 42 is also provided, and the adjusting screw 42 is arranged in the limiting groove 41, and the adjusting screw 42 is threadedly connected to the end of the upper pressing roller 1. When the adjusting screw 42 is rotated, the upper pressing roller 1 can be driven to move, thereby realizing fine adjustment of the upper pressing roller 1 in the horizontal direction, further expanding the application scope of the device.
[0025] To facilitate replacement of the swing arms, the first swing arm 4 and the second swing arm 5 are both detachably connected to the drive shaft 3 .
[0026] As an embodiment, the ends of the first swing arm 4 and the second swing arm 5 are both provided with an assembly hole 43 with an opening. When assembling the swing arm, the swing arm and the drive shaft 3 can be clamped by using a tool to pry open the opening of the assembly hole 43. In order to improve the stability of the connection between the swing arm and the drive shaft 3, a threaded hole is also provided at the opening of the assembly hole 43, and the threaded hole is assembled with a screw 44, and also includes a nut 45 for fixing the screw 44.
[0027] Preferably, the outer periphery of the nut 45 is provided with a plurality of protrusions 46 for facilitating the rotation of the nut 45 , thereby facilitating the disassembly of the swing arm.
[0028] Preferably, the outer wall of the driving shaft 3 is provided with a slide groove 31; a clamping block 47 is provided inside the assembly hole 43, and the clamping block 47 is slidably connected with the slide groove 31. This structure is used to limit and locate the position of the swing arm to prevent the swing arm from shifting during operation, thereby adversely affecting the label laminating process.
[0029] The above contents are only preferred embodiments of the present invention. For ordinary technicians in this field, according to the concept of the present invention, there will be changes in the specific implementation methods and application scopes. The contents of this specification should not be understood as limiting the present invention.
Claims
1. An adjustable upper pressure roller device for a laminating machine, comprising an upper pressure roller (1) and a driving device (2) for driving the upper pressure roller (1), characterized in that: It also includes a driving shaft (3), a first swing arm (4) and a second swing arm (5); the first swing arm (4) and the second swing arm (5) are both arranged in an arc shape, and one end of the first swing arm (4) and the second swing arm (5) are connected to the driving shaft (3), and the other end is respectively connected to the two end parts of the upper pressing roller (1); the driving device (2) drives the driving shaft (3) to rotate, and the driving shaft (3) drives the first swing arm (4) and the second swing arm (5) to rotate, thereby driving the upper pressing roller (1) to swing.
2. The adjustable upper pressure roller device of a laminating machine according to claim 1, characterized in that: The driving device (2) is a driving cylinder, and the driving cylinder is arranged at an angle.
3. The adjustable upper pressure roller device of a laminating machine according to claim 1, characterized in that: The driving device (2) is transmission-connected to the driving shaft (3) via a movable frame (6); the movable frame (6) comprises a fixed shaft (61) and a first connecting arm (62) and a second connecting arm (63) arranged at both ends of the fixed shaft (61); the other ends of the first connecting arm (62) and the second connecting arm (63) are fixedly connected to the driving shaft (3).
4. The adjustable upper pressure roller device of a laminating machine according to claim 1, characterized in that: A limiting groove (41) is provided at one end of the first swing arm (4) and the second swing arm (5) connected to the upper pressing roller (1); an adjusting screw (42) is also included, the adjusting screw (42) is arranged in the limiting groove (41), and the adjusting screw (42) is threadedly connected to the end of the upper pressing roller (1).
5. The adjustable upper pressure roller device of a laminating machine according to claim 1, characterized in that: The first swing arm (4) and the second swing arm (5) are both detachably connected to the drive shaft (3).
6. The adjustable upper pressure roller device of a laminating machine according to claim 5, characterized in that: The ends of the first swing arm (4) and the second swing arm (5) are both provided with an assembly hole (43) with an opening; the opening of the assembly hole (43) is also provided with a threaded hole, the threaded hole is assembled with a screw (44), and also includes a nut (45) for fixing the screw (44).
7. The adjustable upper pressure roller device of a laminating machine according to claim 6, characterized in that: The outer periphery of the nut (45) is provided with a plurality of protrusions (46) for facilitating the rotation of the nut (45).
8. The adjustable upper pressure roller device of a laminating machine according to claim 6, characterized in that: The outer wall of the driving shaft (3) is provided with a sliding groove (31); a clamping block (47) is provided inside the assembling hole (43), and the clamping block (47) is slidably connected to the sliding groove (31).