Adjustable thermo-sensitive paper compression roller device

Abstract

The utility model discloses an adjustable thermo-sensitive paper compression roller device which comprises a compression roller support, one side of the compression roller support is connected with a flattening roller through a height adjusting assembly, the flattening roller is used for being connected with thermo-sensitive paper in a pressing mode, and the side, away from the height adjusting assembly, of the compression roller support is provided with an inserting groove connected with a thermo-sensitive paper coating device. A fixing assembly is arranged at the inserting groove; wherein the compression roller bracket is used for flattening warped edges on two sides of thermal sensitive paper to be coated through the flattening roller. According to the utility model, the flattening rollers are arranged, so that the warped edges on the two sides of the coated paper can be flattened, and the problem of edge warping of a paper roll is effectively solved. Therefore, the flatness of the surface of the paper can be kept, and the phenomenon of missed coating in the surface coating and top coating processes is avoided. The height adjusting assembly and the height adjusting rod in the device can adjust the height of the flattening roller. Therefore, the device can adapt to thermo-sensitive paper with different thicknesses and widths so as to meet diversified requirements in the production process.

Description

Technical Field

[0001] The utility model relates to an adjustable thermal paper pressing roller device. Background Art

[0002] Thermal paper coating is to coat the thermal sensitizer and other related materials on the surface of the paper substrate to form a uniform coating.

[0003] There is a common problem in the production process of paper base coated thermal paper products, that is, after the primer coating is completed and before entering the top coating and top coating curtain heads, the two sides of the paper roll will curl up.

[0004] This edge warping phenomenon makes it easy for coating leaks to occur during top coating and top coating, which has a negative impact on product quality.

[0005] Therefore, an adjustable thermal paper pressing roller device is proposed. Utility Model Content

[0006] The utility model aims to provide an adjustable thermal paper pressing roller device to solve the problem in the background art that the thermal paper is prone to warping during the coating process, thus affecting the coating effect.

[0007] In order to solve the above technical problems, the utility model provides the following technical solutions: an adjustable thermal paper pressing roller device, comprising a pressing roller bracket, one side of the pressing roller bracket is connected to a pressing roller for pressing thermal paper through a height adjustment component, and a plug-in slot connected to a thermal paper coating device is provided on a side of the pressing roller bracket away from the height adjustment component, and a fixing component is provided at the plug-in slot;

[0008] The pressing roller bracket is used to flatten the warped edges on both sides of the thermal paper to be coated by means of a flattening roller.

[0009] Preferably, the height adjustment assembly comprises an adjustment channel opened on the side of the pressure roller bracket, and a height adjustment rod is slidably connected inside the adjustment channel.

[0010] The pressure roller bracket is provided with an elastic adjustment groove at the adjustment channel, an elastic positioning piece is provided inside the elastic adjustment groove, and a positioning plate is provided at the tail end of the elastic positioning piece;

[0011] Guide wing plates are arranged on both sides of the height adjustment rod, and a plurality of retaining grooves for the positioning plate to engage are arranged on one side of the height adjustment rod;

[0012] Wherein, the elastic positioning member is clamped into the retaining groove through the positioning plate to limit the position of the height adjustment rod.

[0013] Preferably, the elastic positioning member comprises a positioning pull ring, the positioning pull ring is connected to the support rod through a guide shaft plate, and the side of the support rod away from the positioning pull ring is connected to the positioning plate.

[0014] The positioning plate is in the shape of an annular groove plate, and the positioning plate and the retaining groove cooperate with each other.

[0015] Preferably, the upper portion of the retaining groove is provided with an inclined surface, and the angle between the inclined surface and the horizontal plane is 30°.

[0016] Preferably, a return spring is arranged in the elastic adjustment groove at the outer periphery of the support rod, so that the positioning plate squeezes the return spring through the elastic adjustment groove.

[0017] Preferably, the flattening roller is connected to the bottom end of the height adjustment rod via a fixing bolt.

[0018] Preferably, the fixing assembly comprises a rotating shaft rod, one side of the rotating shaft rod is connected to a threaded shaft cylinder, and one end of the threaded shaft cylinder away from the rotating shaft rod is provided with a fixing plate;

[0019] Wherein, the rotating shaft rod is used to drive the fixing plate to move in the plug-in slot through the threaded shaft tube.

[0020] Preferably, the pressure roller bracket is provided with a guide groove for linear movement of the threaded shaft cylinder at the plug-in groove, and the guide groove cooperates with the threaded shaft cylinder and the fixing plate so that the threaded shaft cylinder and the fixing plate are received in the guide groove.

[0021] Compared with the prior art, the beneficial effects of the utility model are:

[0022] The utility model can flatten the warped edges of the coated paper on both sides by means of the flattening roller, effectively solving the warping problem of the paper roll. This helps to maintain the flatness of the paper surface and avoid the phenomenon of missing coating during the top coating and top coating process.

[0023] The height adjustment assembly and height adjustment rod in the device can realize the height adjustment of the flattening roller. This enables the device to adapt to thermal papers of different thicknesses and widths to meet the diverse needs of the production process.

[0024] The combination of the elastic adjustment slot, the elastic positioning piece and the positioning plate ensures the stable positioning of the height adjustment rod. This design helps to maintain the stability and accuracy of the device, so that the flattening roller can always be in the correct position to effectively flatten the edge of the paper. At the same time, it can make the adjustment of the flattening roller height more convenient and quick, improve the use effect, and have certain practicality.

[0025] The threaded shaft barrel in the fixing assembly and the guide groove on the pressure roller bracket cooperate with each other to realize the linear movement of the threaded shaft barrel. This allows the device to be quickly connected and fixed to the thermal paper coating device, improving the installation convenience of the pressure roller bracket. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a schematic diagram of the overall structure of an embodiment of the utility model;

[0027] Figure 2 This is a schematic diagram of the cross-sectional structure of the pressure roller bracket according to an embodiment of the utility model;

[0028] Figure 3 It is a schematic diagram of the overall cutaway structure of an embodiment of the utility model;

[0029] Figure 4 This is a schematic diagram of the cross-sectional structure of a height adjustment rod according to an embodiment of the utility model;

[0030] Figure 5 It is a schematic diagram of the enlarged structure of the elastic positioning member of the embodiment of the utility model.

[0031] In the figure: 100, pressure roller bracket; 101, plug-in slot; 102, guide slot; 200, height adjustment assembly; 201, adjustment channel; 202, height adjustment rod; 202a, guide wing plate; 202b, retaining slot; 203, elastic adjustment slot; 204, elastic positioning member; 204a, positioning pull ring; 204b, guide shaft plate; 204c, support rod; 204d, return spring; 205, positioning plate; 300, flattening roller; 400, fixing assembly; 401, rotating shaft rod; 402, threaded shaft cylinder; 403, fixing plate; 500, fixing bolt. DETAILED DESCRIPTION

[0032] In order to solve the problem that the thermal paper is prone to warping during the coating process, which affects the coating effect, the embodiment of the utility model provides an adjustable thermal paper pressing roller device. The technical scheme in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is only a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0033] See also Figure 1-5The utility model provides an adjustable thermal paper pressing roller device, including a pressing roller bracket 100, one side of the pressing roller bracket 100 is connected to a pressing roller 300 for pressing thermal paper through a height adjustment component 200, and a plug-in slot 101 connected to a thermal paper coating device is provided on a side of the pressing roller bracket 100 away from the height adjustment component 200, and a fixing component 400 is provided at the plug-in slot 101;

[0034] The height adjustment assembly 200 includes an adjustment channel 201 provided on the side of the pressure roller bracket 100, and a height adjustment rod 202 is slidably connected inside the adjustment channel 201. The pressure roller bracket 100 is provided with an elastic adjustment groove 203 at the adjustment channel 201, and an elastic positioning member 204 is provided inside the elastic adjustment groove 203, and a positioning plate 205 is provided at the tail end of the elastic positioning member 204; guide wing plates 202a are provided on both sides of the height adjustment rod 202, and one side of the height adjustment rod 202 is provided with multiple groups of retaining grooves 202b for the positioning plate 205 to engage; the elastic positioning member 204 includes a positioning pull ring 204a, and the positioning pull ring 204a is connected to the support rod 204c through a guide shaft plate 204b, and the support rod 204c is connected to the positioning plate 205 on the side away from the positioning pull ring 204a, and the positioning plate 205 is shaped as an annular groove plate, and the positioning plate 205 and the retaining groove 202b cooperate with each other. The upper part of the retaining groove 202b is provided with an inclined surface, and the angle between the inclined surface and the horizontal plane is 30°. A return spring 204d is provided on the outer periphery of the support rod 204c in the elastic adjustment groove 203, so that the positioning plate 205 can press the return spring 204d through the elastic adjustment groove 203.

[0035] The elastic positioning member 204 is clamped into the retaining groove 202 b through the positioning plate 205 to limit the position of the height adjustment rod 202 .

[0036] The flattening roller 300 is connected to the bottom end of the height adjustment rod 202 via a fixing bolt 500 .

[0037] The fixing assembly 400 includes a rotating shaft 401, one side of the rotating shaft 401 is connected to a threaded shaft cylinder 402, and the end of the threaded shaft cylinder 402 away from the rotating shaft 401 is provided with a fixing plate 403; wherein the rotating shaft 401 is used to drive the fixing plate 403 to move in the plug-in slot 101 through the threaded shaft cylinder 402.

[0038] The pressure roller bracket 100 is provided with a guide groove 102 for linear movement of the threaded shaft cylinder 402 at the insertion groove 101, and the guide groove 102 cooperates with the threaded shaft cylinder 402 and the fixing plate 403 so that the threaded shaft cylinder 402 and the fixing plate 403 are received in the guide groove 102.

[0039] The pressing roller support 100 is used to press the warped edges of the thermal paper to be coated flat through the flattening roller 300 .

[0040] The working principle of the adjustable thermal paper pressing roller device provided by the utility model is as follows: during installation, the plug-in slot 101 of the pressing roller bracket 100 is plugged into the curtain head receiving plate of the thermal paper coating device, and then the rotating shaft 401 is rotated to drive the fixing plate 403 to move out of the guide slot 102 through the threaded shaft tube 402, and the fixing plate 403 is abutted against the curtain head receiving plate, so as to realize the connection and fixation between the pressing roller bracket 100 and the curtain head receiving plate;

[0041] Then, the fixing bolt 500 is loosened, the flattening roller 300 is rotated, and the angle of the flattening roller 300 is adjusted until the flattening roller 300 can flatten the warped edges on both sides of the thermal paper roll before entering the curtain head, and the height of the flattening roller 300 is adjusted at the same time (the support rod 204c is pulled by the positioning pull ring 204a to drive the positioning plate 205 to move and be stored in the elastic adjustment groove 203, and move it out of the retaining groove 202b of the height adjustment rod 202, and then the height adjustment rod 202 is moved downward so that the outer wall of the height adjustment rod 202 presses the positioning plate 205 through the inclined surface, and the positioning plate 205 is pressed by the force to compress the return spring 204d, and the return spring 204d contracts. When the height of the height adjustment rod 202 satisfies the flattening roller 300 to flatten the warped edges on both sides of the thermal paper roll, the return spring 204d is elastically restored by the force, and the positioning plate 205 is abutted against the retaining groove 202b to position the height adjustment rod 202).

[0042] 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 adjustable thermal paper pressing roller device, characterized in that: It comprises a pressing roller support (100), one side of the pressing roller support (100) is connected to a pressing roller (300) for pressing thermal paper via a height adjustment component (200), a plug-in slot (101) connected to a thermal paper coating device is provided on a side of the pressing roller support (100) away from the height adjustment component (200), and a fixing component (400) is provided at the plug-in slot (101); The pressing roller support (100) is used to flatten the warped edges on both sides of the thermal paper to be coated via a flattening roller (300).

2. The adjustable thermal paper pressing roller device according to claim 1, characterized in that: The height adjustment assembly (200) comprises an adjustment channel (201) opened on the side of the pressure roller bracket (100), and a height adjustment rod (202) is slidably connected inside the adjustment channel (201). The pressure roller bracket (100) is provided with an elastic adjustment groove (203) at the adjustment channel (201), an elastic positioning piece (204) is provided inside the elastic adjustment groove (203), and a positioning plate (205) is provided at the tail end of the elastic positioning piece (204); Guide wing plates (202a) are arranged on both sides of the height adjustment rod (202), and one side of the height adjustment rod (202) is provided with a plurality of groups of retaining grooves (202b) for engaging with the positioning plate (205); The elastic positioning member (204) is snap-fitted into the retaining groove (202b) via the positioning plate (205) to limit the position of the height adjustment rod (202).

3. The adjustable thermal paper pressing roller device according to claim 2, characterized in that: The elastic positioning member (204) comprises a positioning pull ring (204a), wherein the positioning pull ring (204a) is connected to a support rod (204c) via a guide shaft plate (204b), and a side of the support rod (204c) away from the positioning pull ring (204a) is connected to a positioning plate (205). The positioning plate (205) is in the shape of an annular groove plate, and the positioning plate (205) and the retaining groove (202b) cooperate with each other.

4. The adjustable thermal paper pressing roller device according to claim 3, characterized in that: The upper part of the retaining groove (202b) is provided with an inclined surface, and the angle between the inclined surface and the horizontal plane is 30°.

5. The adjustable thermal paper pressing roller device according to claim 4, characterized in that: A return spring (204d) is provided in the elastic adjustment groove (203) at the outer periphery of the support rod (204c), so that the positioning plate (205) presses the return spring (204d) through the elastic adjustment groove (203).

6. The adjustable thermal paper pressing roller device according to claim 5, characterized in that: The flattening roller (300) is connected to the bottom end of the height adjustment rod (202) via a fixing bolt (500).

7. The adjustable thermal paper pressing roller device according to claim 6, characterized in that: The fixing assembly (400) comprises a rotating shaft (401), one side of the rotating shaft (401) is connected to a threaded shaft cylinder (402), and one end of the threaded shaft cylinder (402) away from the rotating shaft (401) is provided with a fixing plate (403); The rotating shaft (401) is used to drive the fixing plate (403) to move in the plug-in slot (101) via the threaded shaft tube (402).

8. The adjustable thermal paper pressing roller device according to claim 7, characterized in that: The pressure roller bracket (100) is provided with a guide groove (102) for linear movement of the threaded shaft cylinder (402) at the insertion groove (101), and the guide groove (102) cooperates with the threaded shaft cylinder (402) and the fixing plate (403) so that the threaded shaft cylinder (402) and the fixing plate (403) are received in the guide groove (102).

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