Knurling device for processing disposable paper cup

Abstract

The utility model discloses a knurling device for processing a disposable paper cup, and relates to the technical field of paper cup processing. The lifting device comprises a mounting frame, a lifting assembly is arranged in the mounting frame, and a limiting assembly is rotationally arranged in the mounting frame. According to the knurling device, the knurling assembly fixedly connected in the knurling device can be started to conduct circular motion by rotating the limiting assembly, and due to the fact that the limiting assembly has the fixing function, after the knurling assembly is driven by the limiting assembly to rotate by a certain angle, the position of the knurling assembly can be limited through the limiting function of the limiting assembly; then the lifting assembly is started to move upwards and be attached to the bottom end of the knurling assembly, then the knurling assembly is disassembled with the help of a tool, due to lifting of the lifting assembly, the knurling assembly can be disassembled conveniently, and the knurling assemblies with different patterns can be replaced conveniently; and therefore, the application range of the knurling device for processing the disposable paper cups is widened.

Description

Technical Field

[0001] The utility model belongs to the technical field of paper cup processing, and in particular relates to a knurling device for processing disposable paper cups. Background Art

[0002] Paper cups are divided into cold drink cups, hot drink cups and yogurt cups according to their uses. Cold drink cups, as the name suggests, are paper cups that can hold cold drinks. Cold drinks have a characteristic that they need to be frozen or refrigerated, and the safe use temperature is 0℃-5℃.

[0003] During the production process of paper cups, knurling needs to be printed on the paper of the paper cups according to customer needs, thereby improving the appearance of the paper cups. In the prior art, the surface of the paper cups is generally knurled by a knurling roller, but the pattern on the knurling roller is fixed and it is not convenient to replace the knurling roller, thereby reducing the application scope of the existing knurling device.

[0004] Currently, no effective solution has been proposed for the problems in the related technologies. Utility Model Content

[0005] In view of the problems in the related technology, the utility model proposes a knurling device for processing disposable paper cups to overcome the above technical problems existing in the existing related technology.

[0006] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0007] The utility model discloses a knurling device for processing disposable paper cups, comprising a mounting frame, a lifting assembly is arranged inside the mounting frame, a limiting assembly is rotatably arranged inside the mounting frame, a knurling assembly is fixedly connected inside the limiting assembly, an extrusion assembly is fixedly installed inside the mounting frame, a driving assembly is fixedly installed at the bottom end of the extrusion assembly, and the interior of the driving assembly is fixedly installed with the outer surface of the knurling assembly.

[0008] Further, the lifting assembly includes a first motor, one side of the first motor is fixedly mounted on one side of the mounting frame, an output end of the first motor is fixedly connected to a rotating rod, a first bevel gear is fixedly mounted on an outer surface of the rotating rod, and a second bevel gear is meshedly connected to a surface of the first bevel gear;

[0009] A threaded rod is fixedly installed inside the second bevel gear, a lifting block is threadedly connected to the threaded surface of the threaded rod, and an arc-shaped supporting plate is fixedly installed on the top of the lifting block.

[0010] Further, the limit assembly includes a limit plate, one side of the limit plate is fixedly mounted on one side of the mounting frame, a connecting shaft is rotatably arranged inside the limit plate, one side of the connecting shaft is fixedly connected to a rotating plate, one side of the rotating plate is fixedly connected to a sleeve, a pull rod is slidably arranged inside the sleeve, a first spring is fixedly connected to the outer surface of the pull rod, and one end of the first spring is fixedly connected to the inside of the sleeve;

[0011] One side of the limiting plate is fixedly connected to a limiting cylinder, and the interior of the limiting cylinder is sleeved with the outer surface of the pull rod.

[0012] Furthermore, the limiting assembly also includes a first driving gear, the interior of the first driving gear is fixedly connected to the outer surface of the connecting shaft, the surface of the first driving gear is meshed with a first driven gear, and the interior of the first driven gear is fixedly connected to the outer surface of the knurling assembly.

[0013] Furthermore, the knurled assembly includes a rotating shaft, the outer surface of the rotating shaft is rotatably arranged inside the mounting frame, the outer surface of the rotating shaft is fixedly connected to the inside of the first driven gear, the outer surface of the rotating shaft is fixedly connected to a fixing frame, the interior of the fixing frame is sleeved with a bearing seat, and the internal thread of the bearing seat is connected to a knurled roller.

[0014] Further, the extrusion assembly includes an electric push rod, the bottom end of the electric push rod is fixedly installed inside the mounting frame, the telescopic end of the electric push rod is fixedly installed with a connecting plate, the top end of the connecting plate is fixedly connected with a sliding rod, the outer surface of the sliding rod is slidably provided with a pressure roller frame, the inside of the pressure roller frame is rotatably provided with a pressure roller, and the surface of the pressure roller is in contact with the surface of the knurled roller;

[0015] The bottom end of the sliding rod is fixedly connected with a second spring, one end of the second spring is fixedly connected with a sliding plate, and the bottom end of the sliding plate is in contact with the top end of the pressure roller frame.

[0016] Furthermore, the driving assembly includes a second motor, the top end of the second motor is fixedly mounted to the bottom end of the connecting plate, the output end of the second motor is fixedly connected to a second driving gear, the surface of the second driving gear is meshed with a second driven gear, and the interior of the second driven gear is fixedly mounted to the outer surface of the knurled roller.

[0017] The utility model has the following beneficial effects:

[0018] 1. The utility model can start the knurled assembly fixedly connected inside the starter to perform circular motion by rotating the limit assembly. Since the limit assembly has a fixing function, when it drives the knurled assembly to rotate a certain angle, the position of the knurled assembly can be limited by the limit function of the limit assembly itself, and then the lifting assembly is started to move it upward and fit the bottom end of the knurled assembly, and then the knurled assembly is disassembled with the help of tools. Due to the lifting of the lifting assembly, the knurled assembly is easy to disassemble and the knurled assemblies with different patterns are easy to replace, thereby improving the application range of the knurling device for disposable paper cup processing.

[0019] 2. The utility model drives the rotating shaft fixedly connected inside to rotate through the first driven gear. When the rotating shaft rotates, it can drive the fixed frame fixedly connected to its outer surface to perform circular motion. When the fixed frame performs circular motion, it can drive the bearing seat sleeved inside to perform circular motion. When the bearing seat performs circular motion, it can drive the knurled roller threaded inside to perform circular motion. Since multiple groups of knurled rollers can be fixedly installed inside the fixed frame, knurled rollers with different patterns can be replaced when it performs circular motion, thereby improving the application range of the knurling device for disposable paper cup processing.

[0020] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solutions of the utility model embodiments, the drawings required for describing the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0022] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0023] Figure 2 It is a schematic diagram of the structure of the utility model from a rear-view perspective;

[0024] Figure 3 For the utility model Figure 2 A magnified schematic diagram of the local structure at point A;

[0025] Figure 4 It is a schematic diagram of the cross-sectional structure of the utility model from a left viewing angle;

[0026] Figure 5 For the utility model Figure 4 A magnified schematic diagram of the local structure at B in the middle;

[0027] Figure 6 This is a schematic diagram of the exploded structure of the knurling assembly of the utility model;

[0028] Figure 7 This is a schematic diagram of the internal structure of the limit assembly of the utility model;

[0029] Figure 8 For the utility model Figure 7 An enlarged schematic diagram of the local structure at point C in the middle.

[0030] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0031] 1. Mounting frame; 2. Lifting assembly; 201. First motor; 202. Rotating rod; 203. First bevel gear; 204. Second bevel gear; 205. Threaded rod; 206. Lifting block; 207. Arc support plate; 3. Limiting assembly; 301. Limiting plate; 302. Connecting shaft; 303. Rotating plate; 304. Sleeve; 305. Pull rod; 306. First spring; 307. Limiting cylinder; 308. First driving gear; 30 9. First driven gear; 4. Knurling assembly; 401. Rotating shaft; 402. Fixed frame; 403. Bearing seat; 404. Knurling roller; 5. Extrusion assembly; 501. Electric push rod; 502. Connecting plate; 503. Sliding rod; 504. Pressing roller frame; 505. Pressing roller; 506. Second spring; 507. Sliding disk; 6. Driving assembly; 601. Second motor; 602. Second driving gear; 603. Second driven gear. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the utility model embodiments to clearly and completely describe the technical solutions in the utility model embodiments. Obviously, the described embodiments are only part of the utility model embodiments, not all of the embodiments. Based on the embodiments in 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.

[0033] In the description of the present utility model, it should be understood that the terms "opening", "upper", "lower", "top", "middle", "inside" and the like indicating orientation or positional relationship are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the components or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the utility model.

[0034] See also Figure 1-Figure 8As shown, the utility model is a knurling device for processing disposable paper cups, comprising a mounting frame 1, a lifting assembly 2 is arranged inside the mounting frame 1, a limiting assembly 3 is rotatably arranged inside the mounting frame 1, a knurling assembly 4 is fixedly connected inside the limiting assembly 3, an extrusion assembly 5 is fixedly installed inside the mounting frame 1, a driving assembly 6 is fixedly installed at the bottom end of the extrusion assembly 5, and the interior of the driving assembly 6 is fixedly installed with the outer surface of the knurling assembly 4.

[0035] When in use, the knurling assembly 4 fixedly connected inside the starter can be started to perform circular motion by rotating the limiting assembly 3. Since the limiting assembly 3 has a fixing function, when it drives the knurling assembly 4 to rotate a certain angle, the position of the knurling assembly 4 can be limited by the limiting function of the limiting assembly 3 itself, and then the lifting assembly 2 is started to move it upward and fit with the bottom end of the knurling assembly 4, and then the knurling assembly 4 is disassembled with the help of a tool. Due to the lifting of the lifting assembly 2, it is convenient to disassemble the knurling assembly 4 and to replace the knurling assembly 4 with different patterns. By starting the extrusion assembly 5, it can be moved downward and its surface fits with the surface of the knurling assembly 4. At the same time, when the extrusion assembly 5 moves downward, it can drive the driving assembly 6 fixedly installed at its bottom end to move downward and complete the power connection with the knurling assembly 4. By starting the driving assembly 6, the knurling assembly 4 fixedly installed inside it is driven to rotate, and then when the paper cup paper passes between the extrusion assembly 5 and the knurling assembly 4, the surface of the paper cup paper can be knurled under the action of its extrusion, which is more convenient.

[0036] The utility model can start the knurling component 4 fixedly connected inside the starter to perform circular motion by rotating the limit component 3. Since the limit component 3 has a fixing function, when it drives the knurling component 4 to rotate a certain angle, the position of the knurling component 4 can be limited by the limit function of the limit component 3 itself, and then the lifting component 2 is started to move it upward and fit the bottom end of the knurling component 4, and then the knurling component 4 is disassembled with the help of tools. Due to the lifting of the lifting component 2, the knurling component 4 is easy to disassemble and the knurling components 4 with different patterns are easy to replace, thereby improving the application range of the knurling device for processing disposable paper cups.

[0037] In one embodiment, for the above-mentioned lifting assembly 2, the lifting assembly 2 includes a first motor 201, one side of the first motor 201 is fixedly installed with one side of the mounting frame 1, the output end of the first motor 201 is fixedly connected with a rotating rod 202, the outer surface of the rotating rod 202 is fixedly installed with a first bevel gear 203, and the surface of the first bevel gear 203 is meshedly connected with a second bevel gear 204;

[0038] A threaded rod 205 is fixedly installed inside the second bevel gear 204 , a lifting block 206 is threadedly connected to the threaded surface of the threaded rod 205 , and an arc-shaped supporting plate 207 is fixedly installed on the top of the lifting block 206 .

[0039] By starting the first motor 201 to drive the rotating rod 202 fixedly connected to its output end to rotate, when the rotating rod 202 rotates, it can drive the first bevel gear 203 fixedly installed on its outer surface to rotate, when the first bevel gear 203 rotates, it can drive the second bevel gear 204 meshingly connected on its surface to rotate, when the second bevel gear 204 rotates, it can drive the threaded rod 205 fixedly installed inside it to rotate, when the threaded rod 205 rotates, it can drive the lifting block 206 threadedly connected to its threaded surface to move up and down, when the lifting block 206 moves, it can drive the arc-shaped support plate 207 fixedly installed on its top to move, so that the arc-shaped support plate 207 can support the knurled assembly 4, and it is convenient for the knurled assembly 4 to be disassembled and replaced.

[0040] In one embodiment, for the above-mentioned limiting assembly 3, the limiting assembly 3 includes a limiting plate 301, one side of the limiting plate 301 is fixedly installed with one side of the mounting frame 1, a connecting shaft 302 is rotatably arranged inside the limiting plate 301, one side of the connecting shaft 302 is fixedly connected with a rotating plate 303, one side of the rotating plate 303 is fixedly connected with a sleeve 304, a pull rod 305 is slidably arranged inside the sleeve 304, the outer surface of the pull rod 305 is fixedly connected with a first spring 306, and one end of the first spring 306 is fixedly connected with the inside of the sleeve 304;

[0041] One side of the limiting plate 301 is fixedly connected to a limiting cylinder 307 , and the interior of the limiting cylinder 307 is sleeved with the outer surface of the pull rod 305 .

[0042] By pulling the pull rod 305, it can slide inside the sleeve 304, and the first spring 306 fixedly connected to the outer surface of the pull rod 305 can be compressed. Since the outer surface of the pull rod 305 is sleeved with the inside of the limiting cylinder 307, and the limiting cylinder 307 is provided with multiple groups, when the pull rod 305 moves, it can be separated from the inside of the limiting cylinder 307, thereby releasing the restriction of the pull rod 305 on the rotating disk 303. By dialing the sleeve 304, the rotating disk 303 fixedly connected on one side can be driven to rotate. When the rotating disk 303 rotates, it can drive the connecting shaft 302 fixedly connected on one side to rotate, thereby facilitating the adjustment of the rotation angle of the connecting shaft 302. By loosening the pull rod 305 and releasing the elastic force of the first spring 306, the pull rod 305 can be driven to sleeve with the inside of one group of limiting cylinders 307 again, thereby limiting the position of the rotating disk 303 again, preventing it from rotating due to external force, and improving the stability of the rotating disk 303 and the connecting shaft 302.

[0043] In one embodiment, for the above-mentioned limiting assembly 3, the limiting assembly 3 also includes a first driving gear 308, the interior of the first driving gear 308 is fixedly connected to the outer surface of the connecting shaft 302, and the surface of the first driving gear 308 is meshed with a first driven gear 309, and the interior of the first driven gear 309 is fixedly connected to the outer surface of the knurling assembly 4.

[0044] When the connecting shaft 302 rotates with the rotation of the rotating disk 303, it can drive the first driving gear 308 fixedly connected to its outer surface to rotate. When the first driving gear 308 rotates, it can drive the first driven gear 309 meshingly arranged on its surface to rotate. When the first driven gear 309 rotates, it can drive the knurling assembly 4 fixedly connected inside it to rotate, thereby facilitating the replacement of different patterns on the knurling assembly 4, which is more convenient.

[0045] In one embodiment, for the above-mentioned knurling assembly 4, the knurling assembly 4 includes a rotating shaft 401, the outer surface of the rotating shaft 401 is rotatably arranged inside the mounting frame 1, the outer surface of the rotating shaft 401 is fixedly connected to the inside of the first driven gear 309, the outer surface of the rotating shaft 401 is fixedly connected to a fixing frame 402, the interior of the fixing frame 402 is sleeved with a bearing seat 403, and the internal thread of the bearing seat 403 is connected to a knurling roller 404.

[0046] When the first driven gear 309 rotates, it can drive the rotating shaft 401 fixed inside it to rotate. When the rotating shaft 401 rotates, it can drive the fixed frame 402 fixedly connected to its outer surface to perform circular motion. When the fixed frame 402 performs circular motion, it can drive the bearing seat 403 sleeved inside it to perform circular motion. When the bearing seat 403 performs circular motion, it can drive the knurled roller 404 threaded inside it to perform circular motion. Since multiple groups of knurled rollers 404 can be fixedly installed inside the fixed frame 402, knurled rollers 404 with different patterns can be replaced when it performs circular motion, thereby improving the application range of the knurling device for processing disposable paper cups.

[0047] In one embodiment, for the above-mentioned extrusion assembly 5, the extrusion assembly 5 includes an electric push rod 501, the bottom end of the electric push rod 501 is fixedly installed inside the mounting frame 1, the telescopic end of the electric push rod 501 is fixedly installed with a connecting plate 502, the top of the connecting plate 502 is fixedly connected with a sliding rod 503, the outer surface of the sliding rod 503 is slidably provided with a pressure roller frame 504, the inside of the pressure roller frame 504 is rotatably provided with a pressure roller 505, and the surface of the pressure roller 505 is in contact with the surface of the knurled roller 404;

[0048] The bottom end of the sliding rod 503 is fixedly connected to a second spring 506 , one end of the second spring 506 is fixedly connected to a sliding plate 507 , and the bottom end of the sliding plate 507 is in contact with the top end of the pressure roller frame 504 .

[0049] By starting the electric push rod 501, the connecting plate 502 fixedly installed at its telescopic end is driven to move up and down. When the connecting plate 502 moves, the sliding rod 503 fixedly connected to its top end can be driven to move. When the sliding rod 503 moves, the pressure roller frame 504 slidingly arranged on its outer surface can be driven to move. When the pressure roller frame 504 moves, the pressure roller 505 rotatingly arranged inside it can be driven to move and fit with the surface of the knurled roller 404. At the same time, under the continuous movement of the connecting plate 502, it can cooperate with the pressure roller frame 504 to drive the pressure roller 505 to squeeze the knurled roller 404, and its reaction force can act on the pressure roller frame 504, so that it can slide on the outer surface of the sliding rod 503 and drive the sliding disk 507 fitted with its top end to move. When the sliding disk 507 moves, the second spring 506 fixedly connected to its top end can be squeezed, so that its reaction force can make it suitable for knurled rollers 404 of different sizes, thereby improving the application range of the knurling device for processing disposable paper cups.

[0050] In one embodiment, for the above-mentioned driving component 6, the driving component 6 includes a second motor 601, the top end of the second motor 601 is fixedly installed with the bottom end of the connecting plate 502, the output end of the second motor 601 is fixedly connected with a second driving gear 602, the surface of the second driving gear 602 is meshed with a second driven gear 603, and the interior of the second driven gear 603 is fixedly installed with the outer surface of the knurled roller 404.

[0051] By starting the second motor 601, the second driving gear 602 fixedly connected to its output end is driven to rotate. When the second driving gear 602 rotates, it can drive the second driven gear 603 meshingly arranged on its surface to rotate. When the second driven gear 603 rotates, it can drive the knurled roller 404 fixedly installed inside it to rotate, thereby providing it with stable power.

[0052] Through the above technical scheme, 1. By rotating the limit assembly 3, the knurled assembly 4 fixedly connected inside the starter can perform circular motion. Since the limit assembly 3 has a fixing function, when it drives the knurled assembly 4 to rotate a certain angle, the position of the knurled assembly 4 can be limited by the limit function of the limit assembly 3 itself, and then the lifting assembly 2 is started to move it upward and fit the bottom end of the knurled assembly 4, and then the knurled assembly 4 is disassembled with the help of tools. Due to the lifting of the lifting assembly 2, it is convenient to disassemble the knurled assembly 4, and it is convenient to replace the knurled assembly 4 with different patterns, thereby improving the application range of the knurling device for processing disposable paper cups;

[0053] 2. The first driven gear 309 drives the rotating shaft 401 fixedly connected inside to rotate. When the rotating shaft 401 rotates, it can drive the fixed frame 402 fixedly connected to its outer surface to perform circular motion. When the fixed frame 402 performs circular motion, it can drive the bearing seat 403 sleeved inside to perform circular motion. When the bearing seat 403 performs circular motion, it can drive the knurled roller 404 threaded inside to perform circular motion. Since multiple groups of knurled rollers 404 can be fixedly installed inside the fixed frame 402, knurled rollers 404 with different patterns can be replaced when it performs circular motion, thereby improving the application range of the knurling device for processing disposable paper cups.

[0054] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0055] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A knurling device for processing disposable paper cups, comprising a mounting frame (1), characterized in that: A lifting assembly (2) is arranged inside the mounting frame (1); a limit assembly (3) is rotatably arranged inside the mounting frame (1); a knurling assembly (4) is fixedly connected inside the limit assembly (3); an extrusion assembly (5) is fixedly installed inside the mounting frame (1); a driving assembly (6) is fixedly installed at the bottom end of the extrusion assembly (5); and the interior of the driving assembly (6) is fixedly installed with the outer surface of the knurling assembly (4).

2. A knurling device for processing disposable paper cups according to claim 1, characterized in that: The lifting assembly (2) comprises a first motor (201), one side of the first motor (201) is fixedly mounted on one side of the mounting frame (1), an output end of the first motor (201) is fixedly connected to a rotating rod (202), a first bevel gear (203) is fixedly mounted on an outer surface of the rotating rod (202), and a second bevel gear (204) is meshingly connected to a surface of the first bevel gear (203); A threaded rod (205) is fixedly installed inside the second bevel gear (204), a threaded surface of the threaded rod (205) is threadedly connected to a lifting block (206), and an arc-shaped supporting plate (207) is fixedly installed on the top of the lifting block (206).

3. The knurling device for disposable paper cup processing according to claim 1, characterized in that: The limiting assembly (3) comprises a limiting plate (301), one side of the limiting plate (301) is fixedly mounted on one side of the mounting frame (1), a connecting shaft (302) is rotatably arranged inside the limiting plate (301), one side of the connecting shaft (302) is fixedly connected to a rotating plate (303), one side of the rotating plate (303) is fixedly connected to a sleeve (304), a pull rod (305) is slidably arranged inside the sleeve (304), a first spring (306) is fixedly connected to the outer surface of the pull rod (305), and one end of the first spring (306) is fixedly connected to the inside of the sleeve (304); One side of the limiting plate (301) is fixedly connected to a limiting cylinder (307), and the interior of the limiting cylinder (307) is sleeved with the outer surface of the pull rod (305).

4. A knurling device for processing disposable paper cups according to claim 3, characterized in that: The limiting assembly (3) further comprises a first driving gear (308), the interior of the first driving gear (308) being fixedly connected to the outer surface of the connecting shaft (302), a first driven gear (309) being meshedly arranged on the surface of the first driving gear (308), and the interior of the first driven gear (309) being fixedly connected to the outer surface of the knurling assembly (4).

5. The knurling device for disposable paper cup processing according to claim 4, characterized in that: The knurled assembly (4) comprises a rotating shaft (401), the outer surface of the rotating shaft (401) being rotatably arranged inside the mounting frame (1), the outer surface of the rotating shaft (401) being fixedly connected to the inside of the first driven gear (309), the outer surface of the rotating shaft (401) being fixedly connected to a fixing frame (402), the interior of the fixing frame (402) being sleeved with a bearing seat (403), and the interior of the bearing seat (403) being threadedly connected to a knurled roller (404).

6. The knurling device for disposable paper cup processing according to claim 5, characterized in that: The extrusion assembly (5) comprises an electric push rod (501), the bottom end of the electric push rod (501) is fixedly mounted inside the mounting frame (1), a connecting plate (502) is fixedly mounted on the telescopic end of the electric push rod (501), a sliding rod (503) is fixedly connected to the top end of the connecting plate (502), a pressing roller frame (504) is slidably arranged on the outer surface of the sliding rod (503), a pressing roller (505) is rotatably arranged inside the pressing roller frame (504), and the surface of the pressing roller (505) is in contact with the surface of the knurled roller (404); The bottom end of the sliding rod (503) is fixedly connected to a second spring (506), one end of the second spring (506) is fixedly connected to a sliding plate (507), and the bottom end of the sliding plate (507) is in contact with the top end of the pressure roller frame (504).

7. The knurling device for disposable paper cup processing according to claim 6, characterized in that: The driving assembly (6) comprises a second motor (601), the top end of the second motor (601) is fixedly mounted to the bottom end of the connecting plate (502), the output end of the second motor (601) is fixedly connected to a second driving gear (602), the surface of the second driving gear (602) is meshed with a second driven gear (603), and the interior of the second driven gear (603) is fixedly mounted to the outer surface of the knurled roller (404).

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