Film covering system capable of adjusting pre-pressure

Abstract

The utility model relates to a film covering system capable of adjusting pre-pressure. The laminating system is mounted on a side plate of the crystal marking machine and comprises a pressing roller, a driving roller and a lifting mechanism, the lifting mechanism comprises a telescopic cylinder, a transition plate, a vertical guide rail, a vertical sliding block, a pre-pressing spring and an adjusting screw. The driving roller is rotationally connected with the crystal marking machine side plate; the pressing roller is rotationally connected to the telescopic end of the telescopic cylinder and arranged over the pressing roller. The telescopic cylinder is arranged on the outer side of the crystal marking machine side plate; the vertical guide rail is installed on the outer side face of the crystal marking machine side plate. The vertical sliding block is installed on the back face of the transition plate. The vertical sliding block is in sliding fit with the vertical guide rail; one end of the transition plate is rotationally connected with the pressing roller, and the other end is provided with a connecting plate; the connecting plate is provided with a connecting hole; the adjusting screw penetrates through the pre-pressing spring and the connecting hole and is in threaded connection with the telescopic end of the telescopic cylinder; the two ends of the pre-pressing spring abut against the connecting plate and the bolt head of the adjusting screw respectively. According to the utility model, the pre-pressure can be adjusted more conveniently, and the adjustment is safer.

Description

Technical Field

[0001] The utility model relates to the technical field of crystal label machine accessories, in particular to a film laminating system capable of adjusting pre-pressure. Background Technique

[0002] The film laminating system is a component on the crystal label machine that laminates the transfer film onto the release paper. In order to ensure the lamination strength between the transfer film and the release paper, the film laminating system is provided with a pressing roller pressing on the driving roller; the pressing roller can be heated and provides a certain downward pressure on the transfer film. In the prior art, a utility model patent with the authorization announcement number CN218370749U, a crystal label labeling and printing machine, discloses a pressing roller; an adjusting seat and an adjusting rod that are in threaded cooperation with each other are arranged above the pressing roller; the adjusting rod abuts against the pressing roller to apply pre-pressure; by loosening or tightening the adjusting rod, the pre-pressure can be adjusted. However, the adjusting rod is arranged above the pressing roller, which is neither convenient nor safe to adjust. Content of the Utility Model

[0003] The purpose of the utility model is to solve the above problems and provide a film laminating system capable of adjusting pre-pressure.

[0004] The technical solution of the utility model is: a film laminating system capable of adjusting pre-pressure, which is installed on two symmetrically arranged side plates of the crystal label machine, and includes a pressing roller, a driving roller and a lifting mechanism; the lifting mechanism is symmetrically arranged at both ends of the pressing roller and includes a vertical telescopic cylinder; both ends of the driving roller are rotatably connected to the side plates of the crystal label machine; the pressing roller is rotatably connected to the telescopic end of the telescopic cylinder and is arranged directly above the pressing roller; the telescopic cylinder acts on the end of the pressing roller to form the vertical lifting of the pressing roller; the rising pressing roller can expand the gap between the pressing roller and the driving roller for the crystal label to pass through; the descending pressing roller can cooperate with the driving roller to squeeze the crystal label to ensure the combination of the crystal label; the driving roller acts on the crystal label to make the crystal label flow normally; the pressing roller rotates passively; the telescopic cylinder is arranged outside the side plate of the crystal label machine, with the telescopic end on the upper side and the fixed end on the lower side; the lifting mechanism further includes a vertical transition plate, a vertical guide rail, a vertical sliding block, a pre-pressure spring and an adjusting screw; the vertical guide rail is installed on the outer side surface of the side plate of the crystal label machine; the vertical sliding block is installed on the back surface of the transition plate; the vertical sliding block is vertically slidably matched with the vertical guide rail to provide guidance for the vertical lifting of the pressing roller; one end of the transition plate is rotatably connected to the pressing roller, and the other end extends outward at the bottom to form a connecting plate; the connecting plate is provided with a connecting hole; the adjusting screw passes through the pre-pressure spring and the connecting hole in sequence and is threadedly connected to the telescopic end of the telescopic cylinder; both ends of the pre-pressure spring abut against the connecting plate and the bolt head of the adjusting screw respectively; by rotating the adjusting screw, the compression amount of the pre-pressure spring can be controlled, and further the pre-pressure of the pressing roller on the crystal label can be controlled; and the adjusting screw is arranged outside the side plate of the crystal label machine, which is more convenient to operate and has higher safety compared with the inner side of the side plate of the crystal label machine.

[0005] Preferably, the film laminating system capable of adjusting the pre-pressure further includes a power mechanism; the power mechanism includes a motor, a driving pulley, a driven pulley, and a transmission belt installed on the inner side of the side plate of the crystal label machine; after the output shaft of the motor penetrates through the side plate of the crystal label machine, it is coaxially fixed to the driving pulley; the driven pulley is coaxially fixed to the end of the driving roller; the transmission belt connects the driving pulley and the driven pulley; the motor outputs torque to drive the driving pulley to rotate; the driving pulley acts on the driven pulley through the transmission belt to make the driven pulley rotate; the rotating driven pulley acts on the driving roller to make the driving roller rotate.

[0006] Furthermore, the film laminating system capable of adjusting the pre-pressure further includes a tensioning mechanism; the tensioning mechanism is arranged on one side of the transmission belt and includes a mounting plate, a tensioning pulley, and mounting screws; the tensioning pulley is rotatably connected to the mounting plate vertically; the mounting plate is provided with adjusting long holes symmetrically arranged with respect to the tensioning pulley; the mounting screws penetrate through the adjusting long holes and are threadedly connected to the side plate of the crystal machine; the distance between the adjusting long holes = the distance between the mounting screws; the tensioning pulley abuts against the outer side of the transmission belt; the tensioning pulley squeezes the transmission belt to achieve the anti-loosening effect of the transmission belt; the cooperation between the mounting screws and the adjusting long holes can control the tension degree of the tensioning pulley on the transmission belt.

[0007] Preferably, the film laminating system capable of adjusting the pre-pressure further includes a heating mechanism; the heating mechanism includes a heating tube, a tube support, and a band-type electric couple; an axial cavity is provided at the center of the pressing roller; the heating tube penetrates through the axial cavity; the tube support is a vertically Z-shaped plate as a whole; one end of the tube support is rotatably connected to the heating tube, and the other end is connected to the transition plate; the band-type electric couple is arranged at one end of the heating tube and is sleeved on the end of the heating tube; the energized band-type electric couple supplies power to the heating tube to make the heating tube heat up; the heated heating tube heats the pressing roller along the axial cavity, so that each section of the pressing roller is heated, thereby improving the bonding degree of the crystal label.

[0008] Furthermore, the heating tube is coaxially arranged relative to the axial cavity, so that each side of the pressing roller is uniformly heated.

[0009] Furthermore, the heating mechanism further includes a temperature control switch; the temperature control switch is arranged on the tube support at one end of the heating tube to detect the heating temperature of the heating tube to prevent the heating tube from overheating.

[0010] Preferably, the side plate of the crystal label machine is provided with a vertical lifting groove; the vertical lifting groove penetrates through the upper edge of the side plate of the crystal label machine; both ends of the pressing roller are slidably matched with the vertical lifting groove to provide vertical guidance for the vertical lifting of the pressing roller.

[0011] Furthermore, rolling bearings are installed at both ends of the pressing roller and are attached to the vertical lifting groove to reduce the resistance when the pressing roller vertically lifts.

[0012] Preferably, a sinking groove matching the lower end of the preloading spring is provided at the upper end of the connecting hole; the lower end of the preloading spring is inserted into the sinking groove; the sinking groove horizontally limits the preloading spring to ensure the compression stability of the preloading spring.

[0013] Preferably, ball bearings A are installed at both ends of the driving roller; the ball bearings A are installed on the side plate of the crystal label machine; the ball bearings A can reduce the rotation resistance of the driving roller.

[0014] Preferably, ball bearings B are installed at both ends of the pressing roller; the ball bearings B are installed on the transition plate; the ball bearings B can reduce the rotation resistance of the pressing roller.

[0015] The beneficial effects of the present invention are as follows: The film laminating system capable of adjusting the pre-pressure of the present invention has the following advantages:

[0016] (1) In the present invention, the adjusting screw for adjusting the pre-pressure is arranged outside the side plate of the crystal label machine, which is more convenient for adjusting the pre-pressure and safer to adjust.

[0017] (2) In the present invention, the heating tube is coaxially arranged relative to the axial cavity, so that each side of the pressing roller is uniformly heated. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is a three-dimensional view of the film laminating system capable of adjusting the pre-pressure of the present invention Figure 1 ;

[0019] Figure 2 is a three-dimensional view of the film laminating system capable of adjusting the pre-pressure of the present invention Figure 2 ;

[0020] Figure 3 is Figure 1 side view of;

[0021] Figure 4 is Figure 3 A-A cross-sectional view of;

[0022] Figure 5 is Figure 3 B-B cross-sectional view of;

[0023] Figure 6 is Figure 4 C-C cross-sectional view of;

[0024] Figure 7 is Figure 4 D-D cross-sectional view of;

[0025] Figure 8 is Figure 7 I enlarged view of;

[0026] In the figure: 00. Side plate of crystal label machine, 01. Vertical lifting groove

[0027] 1. Pressing roller, 11. Axial cavity, 12. Rolling bearing, 13. Ball bearing B, 2. Driving roller, 21. Ball bearing A, 31. Telescopic cylinder, 32. Transition plate, 321. Connecting plate, 3211. Connecting hole, 32111. Sinking groove, 33. Vertical guide rail, 34. Vertical sliding block, 35. Preloading spring, 36. Adjusting screw, 41. Motor, 42. Driving pulley, 43. Driven pulley, 44. Transmission belt, 51. Mounting plate, 511. Adjusting long hole, 52. Tensioning pulley, 53. Mounting screw, 61. Heating pipe, 62. Pipe support, 63. Clamp type thermocouple, 64. Temperature control switch Specific implementation mode

[0028] Example 1: Refer to Figures 1-8 , a laminating system capable of adjusting pre-pressure, installed on two symmetrically arranged side plates 00 of the crystal label machine, including a pressing roller 1, a driving roller 2 and a lifting mechanism; the lifting mechanism is symmetrically arranged at both ends of the pressing roller 1 and includes a vertical telescopic cylinder 31; both ends of the driving roller 2 are rotatably connected to the side plate 00 of the crystal label machine; the pressing roller 1 is rotatably connected to the telescopic end of the telescopic cylinder 31 and is arranged directly above the pressing roller 1; the telescopic cylinder 31 acts on the end of the pressing roller 1 to form the vertical lifting of the pressing roller 1; the rising pressing roller 1 can expand the gap between the pressing roller 1 and the driving roller 2 for the crystal label to pass through; the descending pressing roller 1 can cooperate with the driving roller 2 to squeeze the crystal label to ensure the bonding of the crystal label; the driving roller 2 acts on the crystal label to make the crystal label flow normally; the pressing roller 1 rotates passively; the telescopic cylinder 31 is arranged outside the side plate 00 of the crystal label machine, with the telescopic end on the top and the fixed end on the bottom; the lifting mechanism further includes a vertical transition plate 32, a vertical guide rail 33, a vertical sliding block 34, a preloading spring 35 and an adjusting screw 36; the vertical guide rail 33 is installed on the outer side surface of the side plate 00 of the crystal label machine; the vertical sliding block 34 is installed on the back of the transition plate 32; the vertical sliding block 34 is vertically slidably matched with the vertical guide rail 33 to provide guidance for the vertical lifting of the pressing roller 1; one end of the transition plate 32 is rotatably connected to the pressing roller 1, and the other end extends outward at the bottom to form a connecting plate 321; the connecting plate 321 is provided with a connecting hole 3211; the adjusting screw 36 sequentially passes through the preloading spring 35 and the connecting hole 3211 and is threadedly connected to the telescopic end of the telescopic cylinder 31; both ends of the preloading spring 35 are respectively abutted against the connecting plate 321 and the bolt head of the adjusting screw 36; by rotating the adjusting screw 36, the compression amount of the preloading spring 35 can be controlled, and thus the pre-pressure of the pressing roller 1 on the crystal label can be controlled; and the adjusting screw 36 is arranged outside the side plate 00 of the crystal label machine, which is more convenient to operate and safer compared to the inner side of the side plate 00 of the crystal label machine

[0029] Compared with the prior art, the adjusting screw 36 for adjusting the pre-pressure in the utility model is arranged outside the side plate 00 of the crystal label machine, which is more convenient for adjusting the pre-pressure and safer to adjust.

[0030] The telescopic cylinder 31 in this embodiment is an electric push rod.

[0031] The laminating system capable of adjusting the pre-pressure further includes a power mechanism; the power mechanism includes a motor 41, a driving pulley 42, a driven pulley 43, and a transmission belt 44 installed on the inner side surface of the side plate 00 of the crystal label machine; after the output shaft of the motor 41 penetrates through the side plate 00 of the crystal label machine, it is coaxially fixedly connected with the driving pulley 42; the driven pulley 43 is coaxially fixedly connected with the end of the driving roller 2; the transmission belt 44 connects the driving pulley 42 and the driven pulley 43; the motor 41 outputs torque to drive the driving pulley 42 to rotate; the driving pulley 42 acts on the driven pulley 43 through the transmission belt 44 to make the driven pulley 43 rotate; the rotating driven pulley 43 acts on the driving roller 2 to make the driving roller 2 rotate. Driving roller 2

[0032] The laminating system capable of adjusting the pre-pressure further includes a tensioning mechanism; the tensioning mechanism is arranged on one side of the transmission belt 44 and includes a mounting plate 51, a tensioning wheel 52, and mounting screws 53; the tensioning wheel 52 is vertically rotatably connected to the mounting plate 51; the mounting plate 51 is provided with adjusting long holes 511 symmetrically arranged with respect to the tensioning wheel 52; the mounting screws 53 penetrate through the adjusting long holes 511 and are threadedly connected to the side plate of the crystal machine; the spacing of the adjusting long holes 511 = the spacing of the mounting screws 53; the tensioning wheel 52 abuts against the outer side surface of the transmission belt 44; the tensioning wheel 52 squeezes the transmission belt 44 to achieve the anti-loosening effect of the transmission belt 44; the cooperation of the mounting screws 53 and the adjusting long holes 511 can control the tension degree of the tensioning wheel 52 on the transmission belt 44.

[0033] The laminating system capable of adjusting the pre-pressure further includes a heating mechanism; the heating mechanism includes a heating tube 61, a tube support 62, and a band-type electric couple 63; an axial cavity 11 is provided at the center of the pressing roller 1; the heating tube 61 penetrates through the axial cavity 11; the tube support 62 is an overall vertical Z-shaped plate; one end of the tube support 62 is rotatably connected to the heating tube 61, and the other end is connected to the transition plate 32; the band-type electric couple 63 is arranged at one end of the heating tube 61 and is sleeved on the end of the heating tube 61; the energized band-type electric couple 63 supplies power to the heating tube 61 to make the heating tube 61 heat up; the heated heating tube 61 heats the pressing roller 1 along the axial cavity 11, so that each section of the pressing roller 1 is heated, thereby improving the bonding degree of the crystal label.

[0034] The heating tube 61 is coaxially arranged relative to the axial cavity 11, so that each side of the pressing roller 1 is heated evenly.

[0035] The heating mechanism further includes a temperature control switch 64; the temperature control switch 64 is arranged on the pipe support 62 at one end of the heating pipe 61 to detect the heating temperature of the heating pipe 61 to prevent the heating pipe 61 from overheating.

[0036] The side plate 00 of the crystal label machine is provided with a vertical lifting groove 01; the vertical lifting groove 01 penetrates through the upper edge of the side plate 00 of the crystal label machine; both ends of the pressing roller 1 are slidably matched with the vertical lifting groove 01 to provide vertical guidance for the vertical lifting of the pressing roller 1.

[0037] Both ends of the pressing roller 1 are installed with rolling bearings 12 attached to the vertical lifting groove 01 to reduce the resistance when the pressing roller 1 vertically lifts.

[0038] A sinking groove 32111 matching the lower end of the preloading spring 35 is provided at the upper end of the connecting hole 3211; the lower end of the preloading spring 35 is inserted into the sinking groove 32111; the sinking groove 32111 horizontally limits the preloading spring 35 to ensure the compression stability of the preloading spring 35.

[0039] The working process of this embodiment: When the telescopic rod of the telescopic cylinder 31 extends, the telescopic rod of the telescopic cylinder 31 jacks up the connecting plate 321, causing the transition plate 32 integrated with the connecting plate 321 to rise; the rising transition plate 32 lifts the pressing roller 1 vertically; the gap between the pressing roller 1 and the power roller expands; the crystal label is inserted into this gap; when the telescopic rod of the telescopic cylinder 31 retracts, the telescopic rod of the telescopic cylinder 31 drives the connecting plate 321 to descend together; the pressing roller 1 presses on the power roller and also presses on the crystal label; rotate the adjusting screw 36 to adjust the compression amount of the preloading spring 35, and then adjust the pre-pressure of the pressing roller 1; the power roller rotates, and the pressing roller 1 rotates following it, enabling the crystal label to flow horizontally. The bonding strength between the transfer film and the release paper of the crystal label flowing out is relatively good.

[0040] Embodiment 2: Embodiment 2 is basically the same as Embodiment 1, and the same parts will not be described again. The differences are: Ball bearings A 21 are installed at both ends of the driving roller 2; the ball bearings A 21 are installed on the side plate 00 of the crystal label machine; the ball bearings A 21 can reduce the rotation resistance of the driving roller 2.

[0041] Ball bearings B 13 are installed at both ends of the pressing roller 1; the ball bearings B 13 are installed on the transition plate 32; the ball bearings B 13 can reduce the rotation resistance of the pressing roller 1.

Claims

1. A film laminating system capable of adjusting the pre-pressure, installed on two symmetrically arranged side plates of a crystal label machine, comprising a pressing roller, a driving roller and a lifting mechanism; the lifting mechanism is symmetrically arranged at both ends of the pressing roller and includes a vertical telescopic cylinder; both ends of the driving roller are rotatably connected to the side plates of the crystal label machine; the pressing roller is rotatably connected to the telescopic end of the telescopic cylinder and is arranged directly above the pressing roller; characterized in that, The telescopic cylinder is arranged outside the side plate of the crystal label machine, with the telescopic end on the upper side and the fixed end on the lower side; the lifting mechanism further includes a vertical transition plate, a vertical guide rail, a vertical sliding block, a preloading spring, and an adjusting screw; the vertical guide rail is installed on the outer side surface of the side plate of the crystal label machine; the vertical sliding block is installed on the back surface of the transition plate; the vertical sliding block is vertically slidably matched with the vertical guide rail; one end of the transition plate is rotatably connected to the pressing roller, and the other end extends outward at the bottom to form a connecting plate; the connecting plate is provided with a connecting hole; the adjusting screw sequentially passes through the preloading spring and the connecting hole and is threadedly connected to the telescopic end of the telescopic cylinder; the two ends of the preloading spring respectively abut against the connecting plate and the bolt head of the adjusting screw.

2. The film laminating system capable of adjusting the pre-pressure according to claim 1, wherein: It further includes a power mechanism; the power mechanism includes a motor, a driving pulley, a driven pulley, and a transmission belt installed on the inner side surface of the side plate of the crystal label machine; after the output shaft of the motor penetrates through the side plate of the crystal label machine, it is coaxially fixed to the driving pulley; the driven pulley is coaxially fixed to the end of the driving roller; the transmission belt connects the driving pulley and the driven pulley.

3. The film laminating system capable of adjusting the pre-pressure according to claim 1, wherein: It further includes a tensioning mechanism; the tensioning mechanism is arranged on one side of the transmission belt and includes a mounting plate, a tensioning pulley, and mounting screws; the tensioning pulley is vertically rotatably connected to the mounting plate; the mounting plate is provided with adjusting long holes symmetrically arranged with respect to the tensioning pulley; the mounting screws penetrate through the adjusting long holes and are threadedly connected to the side plate of the crystal machine; the distance between the adjusting long holes = the distance between the mounting screws; the tensioning pulley abuts against the outer side surface of the transmission belt.

4. The film laminating system capable of adjusting the pre-pressure according to claim 1, wherein: It further includes a heating mechanism; the heating mechanism includes a heating pipe, a pipe support, and a band-type electric couple; an axial cavity is provided at the center of the pressing roller; the heating pipe penetrates through the axial cavity; the pipe support is a vertically Z-shaped plate as a whole; one end of the pipe support is rotatably connected to the heating pipe, and the other end is connected to the transition plate; the band-type electric couple is arranged at one end of the heating pipe and sleeved on the end of the heating pipe.

5. The film laminating system capable of adjusting the pre-pressure according to claim 4, characterized in that: The heating mechanism further includes a temperature control switch; the temperature control switch is arranged on the pipe support at one end of the heating pipe.

6. The film laminating system capable of adjusting the pre-pressure according to claim 1, wherein: The side plate of the crystal label machine is provided with a vertical lifting groove; the vertical lifting groove penetrates through the upper edge of the side plate of the crystal label machine; both ends of the pressing roller are slidably matched with the vertical lifting groove.

7. The film laminating system capable of adjusting pre-pressure according to claim 6, characterized in that: Both ends of the pressing roller are installed with rolling bearings that are in contact with the vertical lifting groove.

8. The laminating system capable of adjusting the pre-pressure according to claim 1, wherein: A sinking groove matching the lower end of the preloading spring is provided at the upper end of the connecting hole; the lower end of the preloading spring is inserted into the sinking groove.

9. The laminating system capable of adjusting the pre-pressure according to claim 1, wherein: Both ends of the driving roller are installed with ball bearings A; the ball bearings A are installed on the side plate of the crystal label machine.

10. The film laminating system capable of adjusting the pre-pressure according to claim 1, characterized in that: Both ends of the pressing roller are installed with ball bearings B; the ball bearings B are installed on the transition plate.

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