Anti-sticking coating roller for coating machine

Abstract

The anti-sticking coating roller comprises a round roller and a shaft rod, the shaft rod is connected to the center of the round roller, the two ends of the shaft rod protrude out of the round roller, the outer surface of the round roller is sleeved with an anti-sticking sleeve in a sliding mode in the axial direction, positioning grooves are formed in the outer side faces of the two ends of the round roller, and magnetic balls are arranged at the outer ports of the positioning grooves. Springs are connected between the magnetic balls and the inner bottoms of the positioning grooves, limiting tooth grooves are formed in the inner side faces of the two ends of the anti-sticking sleeve in the circumferential direction, the limiting tooth grooves correspond to the positioning grooves, and the outer ends of the magnetic balls are clamped with the limiting tooth grooves. A rotating ring rotationally arranged on the shaft rod in a sleeving mode is arranged in the circular groove, the outer end of the rotating ring extends out of the circular groove, and a strong magnet is embedded in the inner wall of the rotating ring. The anti-sticking sleeve is slidably connected with the round roller in a sleeved mode, the magnetic ball pops up under pushing of the spring and is clamped with the limiting tooth groove of the anti-sticking sleeve, and therefore connection between the anti-sticking sleeve and the round roller is stable, and rotation or displacement cannot happen.

Description

Technical Field

[0001] The utility model relates to the technical field of coating rollers, in particular to an anti-sticking coating roller for a coating machine. Background Art

[0002] Coating machines are mainly used for surface coating production of films, papers, etc. Coating machines need to use coating rollers when working. In order to prevent the outer surface of the coating roller from sticking to the adhesive, a layer of anti-sticking sleeve made of anti-sticking material is wrapped on the outer surface of the coating roller. However, the surface of the anti-sticking sleeve is easily damaged and needs to be replaced frequently to ensure the use effect of the coating roller.

[0003] The existing anti-sticking sleeve is not convenient to be disassembled and installed with the coating roller, which is not conducive to the staff to replace the anti-sticking sleeve on the outer surface of the coating roller. Therefore, we propose an anti-sticking coating roller for a coating machine. Utility Model Content

[0004] In order to overcome the shortcomings of the prior art, the utility model provides an anti-stick coating roller for a coating machine, wherein an anti-stick sleeve is slidably sleeved with a round roller, and a magnetic ball pops out under the push of a spring and engages with a limiting tooth groove of the anti-stick sleeve, thereby ensuring a stable connection between the anti-stick sleeve and the round roller, and the anti-stick sleeve will not rotate or displace during operation.

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions: an anti-stick coating roller for a coating machine, comprising a round roller and a shaft, wherein the shaft is connected to the center of the round roller and protrudes from the round roller at both ends, and an anti-stick sleeve is slidably sleeved on the outer surface of the round roller along the axial direction;

[0006] The outer side surfaces of both ends of the round roller are provided with positioning grooves, the outer ends of the positioning grooves are provided with magnetic balls, and a spring is connected between the magnetic balls and the inner bottom of the positioning grooves;

[0007] The inner side surfaces of both ends of the anti-sticking sleeve are provided with limiting tooth grooves along the circumferential direction, the limiting tooth grooves correspond to the positioning grooves, and the outer ends of the magnetic balls are engaged with the limiting tooth grooves;

[0008] The inner side surfaces of both ends of the circular roller are provided with circular grooves, and a rotating ring rotatably sleeved on the shaft is arranged inside the circular groove, and the outer end of the rotating ring extends out of the circular groove;

[0009] A strong magnet is embedded in the inner wall of the rotating ring.

[0010] Preferably, both ends of the anti-sticking sleeve protrude from the round roller and cover the rotating ring.

[0011] Preferably, the outer surface of the magnetic ball is covered with a gel coat.

[0012] Preferably, an annular groove is formed on the outer surface of the shaft rod corresponding to the rotating ring, and sliding friction occurs between the inner circumferential surface of the rotating ring and the inner bottom of the annular groove.

[0013] Preferably, the outer circumferential surface of the rotating ring is provided with anti-slip grooves.

[0014] Preferably, there are at least two positioning grooves and they are symmetrically distributed about the central axis of the shaft, and the number of the strong magnets is consistent with the number of the positioning grooves and they are distributed in corresponding positions.

[0015] Compared with the prior art, the utility model can achieve the following beneficial effects:

[0016] The anti-sticking sleeve and the round roller are slidably connected, and the magnetic ball pops out under the push of the spring and engages with the limiting tooth groove of the anti-sticking sleeve, so that the connection between the anti-sticking sleeve and the round roller is stable, and the anti-sticking sleeve will not rotate or move during the operation;

[0017] The rotating ring rotates relative to the shaft rod so that the strong magnet and the magnetic ball are aligned. The magnetic ball compresses the spring under the magnetic attraction of the strong magnet and is stored in the positioning groove. The anti-sticking sleeve and the round roller can be quickly disassembled, which is conducive to the disassembly, assembly and replacement of the anti-sticking sleeve without the need for tools. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural schematic diagram of the utility model.

[0019] Figure 2 It is a partial schematic diagram of the round roller of the utility model.

[0020] Figure 3 It is a cross-sectional view of the anti-sticking sleeve of the utility model.

[0021] Figure 4 It is a partial cross-sectional view of the round roller of the utility model.

[0022] Figure 5 It is a schematic diagram of the rotating ring of the utility model.

[0023] Among them: 1. round roller; 2. shaft; 3. anti-stick sleeve; 4. round groove; 5. rotating ring; 6. positioning groove; 7. ring groove; 8. limit tooth groove; 9. gel coat; 10. magnetic ball; 11. spring; 12. strong magnet; 13. anti-slip pattern. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Generally, the components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0025] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0026] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0027] In the above description of the utility model, it should be noted that the terms "one side", "the other side", etc. indicate the orientation or position relationship based on the orientation or position relationship shown in the accompanying drawings, or the orientation or position relationship in which the utility model product is usually placed when in use, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0028] In addition, the term "same" does not mean that the parts must be absolutely the same, but slight differences are allowed. The term "vertical" only means that the positional relationship between the parts is more vertical than "parallel", and does not mean that the structure must be completely vertical, but can be slightly tilted.

[0029] Example

[0030] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown, the utility model provides an anti-stick coating roller for a coating machine, comprising a round roller 1 and a shaft 2, the shaft 2 is connected to the center of the round roller 1 and protrudes from the round roller 1 at both ends, the outer surface of the round roller 1 is axially slidably sleeved with an anti-stick sleeve 3, the outer side surfaces of both ends of the round roller 1 are provided with positioning grooves 6, the outer end of the positioning groove 6 is provided with a magnetic ball 10, and a spring 11 is connected between the magnetic ball 10 and the inner bottom of the positioning groove 6;

[0031] The inner side surfaces of both ends of the anti-sticking sleeve 3 are provided with limited tooth grooves 8 along the circumferential direction, the limited tooth grooves 8 correspond to the positioning grooves 6, the outer ends of the magnetic balls 10 are engaged with the limited tooth grooves 8, the inner side surfaces of both ends of the round roller 1 are provided with circular grooves 4, the inside of the circular grooves 4 is provided with a rotating ring 5 which is rotatably sleeved on the shaft 2, the outer end of the rotating ring 5 extends out of the circular groove 4, and the inner wall of the rotating ring 5 is embedded with a strong magnet 12;

[0032] The anti-sticking sleeve 3 outside the round roller 1 prevents the residual glue from adhering. The anti-sticking sleeve 3 and the round roller 1 are slidably connected. The magnetic ball 10 pops out under the push of the spring 11 and engages with the limiting tooth groove 8 of the anti-sticking sleeve 3. Therefore, the connection between the anti-sticking sleeve 3 and the round roller 1 is stable, and the anti-sticking sleeve 3 will not rotate or move during operation. The rotating ring 5 rotates relative to the shaft 2 to align the strong magnet 12 with the magnetic ball 10. The magnetic ball 10 compresses the spring 11 under the magnetic attraction of the strong magnet 12 and is stored in the positioning groove 6. The anti-sticking sleeve 3 and the round roller 1 can be quickly disassembled, which is conducive to the disassembly, assembly and replacement of the anti-sticking sleeve 3 without the aid of tools.

[0033] like Figures 1 to 5 As shown, the utility model discloses that both ends of the anti-sticking sleeve 3 protrude from the round roller 1 and cover the rotating ring 5, the outer surface of the shaft 2 is provided with a ring groove 7 corresponding to the rotating ring 5, the inner circumferential surface of the rotating ring 5 slides and rubs with the inner bottom of the ring groove 7, and the outer circumferential surface of the rotating ring 5 is provided with anti-slip grooves 13.

[0034] like Figures 1 to 5 As shown, the utility model discloses that there are at least two positioning grooves 6 and they are symmetrically distributed about the central axis of the shaft 2, the number of strong magnets 12 is consistent with the number of positioning grooves 6 and they are distributed in corresponding positions, and the outer surface of the magnetic ball 10 is covered with a gel coat 9.

[0035] The utility model provides an anti-stick coating roller for a coating machine. The anti-stick sleeve 3 outside the round roller 1 is used to prevent residual glue from adhering. The anti-stick sleeve 3 and the round roller 1 are slidably sleeved. The magnetic ball 10 is ejected under the push of the spring 11 and is engaged with the limiting tooth groove 8 of the anti-stick sleeve 3, so that the connection between the anti-stick sleeve 3 and the round roller 1 is stable, and the anti-stick sleeve 3 will not rotate or move during operation. The rotating ring 5 rotates relative to the shaft rod 2 to make the strong magnet 12 and the magnetic ball 10 align. The magnetic ball 10 compresses the spring 11 under the magnetic attraction of the strong magnet 12 and is stored in the positioning groove 6. The anti-stick sleeve 3 and the round roller 1 can be quickly disassembled, which is conducive to the disassembly, assembly and replacement of the anti-stick sleeve 3 without the aid of tools.

[0036] It should be noted that, in this article, terms such as "comprises", "includes" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also includes other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of more restrictions, an element defined by the sentence "comprises a ..." does not exclude the existence of other identical elements in the process, method, article or device including the element.

[0037] 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 anti-stick coating roller for a coating machine, comprising a round roller (1) and a shaft (2), wherein the shaft (2) is connected to the center of the round roller (1) and has two ends protruding from the round roller (1), characterized in that: The outer surface of the round roller (1) is slidably sleeved with an anti-sticking sleeve (3) along the axial direction; The outer side surfaces of both ends of the round roller (1) are provided with positioning grooves (6), the outer ends of the positioning grooves (6) are provided with magnetic balls (10), and a spring (11) is connected between the magnetic balls (10) and the inner bottom of the positioning grooves (6); The inner side surfaces of both ends of the anti-sticking sleeve (3) are provided with limiting tooth grooves (8) along the circumferential direction, the limiting tooth grooves (8) correspond to the positioning grooves (6), and the outer ends of the magnetic balls (10) are engaged with the limiting tooth grooves (8); The inner side surfaces of both ends of the circular roller (1) are provided with circular grooves (4), the interior of the circular groove (4) is provided with a rotating ring (5) which is rotatably sleeved on the shaft (2), the outer end of the rotating ring (5) extends out of the circular groove (4), and the inner wall of the rotating ring (5) is embedded with a strong magnet (12).

2. The anti-stick coating roller for a coating machine according to claim 1, characterized in that: The two ends of the anti-sticking sleeve (3) protrude from the round roller (1) and cover the rotating ring (5).

3. The anti-stick coating roller for a coating machine according to claim 1, characterized in that: The outer surface of the magnetic ball (10) is covered with a gel coat (9).

4. The anti-stick coating roller for a coating machine according to claim 1, characterized in that: An annular groove (7) is provided on the outer surface of the shaft rod (2) corresponding to the rotating ring (5), and sliding friction occurs between the inner circumferential surface of the rotating ring (5) and the inner bottom of the annular groove (7).

5. The anti-stick coating roller for a coating machine according to claim 1, characterized in that: The outer circumferential surface of the rotating ring (5) is provided with anti-slip grooves (13).

6. The anti-stick coating roller for a coating machine according to claim 1, characterized in that: At least two positioning grooves (6) are provided and are symmetrically distributed about the central axis of the shaft (2); the number of the strong magnets (12) is consistent with the number of the positioning grooves (6) and they are distributed in corresponding positions.

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