Knurling device of paper cup machine

Abstract

The utility model belongs to the field of paper cup machines, and provides a paper cup machine knurling device which comprises an upper box assembly, a lower box assembly and a driving mechanism. Wherein the upper box assembly comprises an upper box body as well as a knurling pinch roller and an outer mold which are arranged on the upper box body in a matching manner; the lower box assembly comprises a lower box body and a sliding plate which is arranged in the lower box body and penetrates through the lower box body to be connected to the upper box body, and further comprises a fixed guide rail which is slidably connected to the sliding plate and used for providing sliding guide for the sliding plate. The driving mechanism comprises a rotating shaft used for inputting power and a cam which is connected to the rotating shaft and can rotate along with the rotating shaft, and further comprises a roller seat connected to the sliding plate and a roller which is rotationally installed on the roller seat and abuts against the side wall of the cam. The side, deviating from the rotating shaft, of the roller seat is further connected with a reset spring enabling the roller to continuously abut against the cam.

Description

Technical Field

[0001] The present application belongs to the field of paper cup machines, and more specifically, to a knurling device for a paper cup machine. Background Art

[0002] In the field of paper cup production, the knurling device is a key link in the paper cup forming process. It is responsible for forming a unique knurling texture on the bottom of the paper cup to compact and connect the cup body paper sheet and the cup bottom paper sheet into one to form a complete paper cup structure. During the knurling process of the paper cup machine, the mold and the knurling structure need to move back and forth continuously to complete the knurling operation. However, the traditional knurling device has certain limitations in the driving structure and is difficult to meet the needs of modern paper cup efficient production. Therefore, it is necessary to solve the above technical problems. Summary of the invention

[0003] The purpose of the embodiments of the present application is to provide a knurling device for a paper cup machine to solve the technical problem of low efficiency of the knurling device in the prior art.

[0004] In order to achieve the above-mentioned purpose, the technical solution adopted in this application is: to provide a knurling device for a paper cup machine, comprising:

[0005] An upper box assembly, comprising an upper box body and a knurled pressing wheel and an outer mold matched with the upper box body;

[0006] A lower box assembly, comprising a lower box body and a sliding plate disposed in the lower box body and passing through the lower box body and connected to the upper box body, and also comprising a fixed guide rail slidably connected to the sliding plate and used to provide a sliding guide for the sliding plate;

[0007] The driving mechanism includes a rotating shaft for inputting power and a cam connected to the rotating shaft and capable of rotating with the rotating shaft. It also includes a roller seat connected to the sliding plate and a roller rotatably mounted on the roller seat and abutting against the side wall of the cam. A return spring is also connected to the side of the roller seat away from the rotating shaft to keep the roller in continuous abutment with the cam.

[0008] Optionally, the driving mechanism further comprises a guide column arranged on the same side of the roller seat as the return spring, and the guide column is parallel to the fixed guide rail;

[0009] The roller seat is provided with a sliding sleeve which is slidably connected to the guide column.

[0010] Optionally, the driving mechanism further comprises a connecting plate connected to the outside of the lower box body, and two guide pillars are arranged in parallel and all pass through the lower box body to be connected to the connecting plate.

[0011] Optionally, the return spring is coaxially sleeved on the outside of the guide column.

[0012] Optionally, a step for supporting the fixed guide rail is formed on the lower box body, and a sliding guide rail slidably connected to the fixed guide rail is connected to the sliding plate;

[0013] The sliding guide rail is parallel to the fixed guide rail.

[0014] Optionally, the driving mechanism further includes a supporting bearing sleeved on the rotating shaft and connected to the lower box body.

[0015] Optionally, the upper box assembly further comprises a knurled wheel seat for mounting the knurled wheel and the outer mold, the knurled wheel seat is slidably connected to the upper box body, and a sliding direction of the knurled wheel seat relative to the upper box body is parallel to the fixed guide rail;

[0016] A buffer spring capable of elastic deformation is also connected between the knurled pressure wheel seat and the upper box body.

[0017] Optionally, the upper box assembly further comprises a guide sleeve and a guide rod of a coaxial movable set;

[0018] The guide sleeve is connected to the buffer spring and is connected to the knurled pressure wheel seat through the buffer spring, and the guide rod is connected to the upper box body.

[0019] Optionally, a protrusion for connecting the buffer spring is formed on the knurled pressure wheel seat.

[0020] Optionally, the upper box assembly further comprises a pulley which is transmission-connected to the knurled pressure wheel and is used to drive the knurled pressure wheel.

[0021] The beneficial effect of the knurling device for a paper cup machine provided by the present application is that: compared with the prior art, in the knurling device for a paper cup machine provided by the present application, the upper box assembly for knurling operation is arranged on the sliding plate in the lower box assembly, and the sliding plate can move relative to the fixed guide rail under the sliding guide action of the fixed guide rail. Since the driving mechanism in the present application includes a roller connected to the sliding plate and a cam connected to the rotating shaft, and also includes a reset spring that makes the roller and the cam continuously abut, when the rotating shaft rotates, the cam can drive the sliding plate to move back and forth quickly and stably relative to the fixed guide rail by cooperating with the roller that continuously abuts against its own side wall, which has a much better movement stability and movement efficiency than the prior art, and can greatly improve the knurling efficiency of the knurling device. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0023] Figure 1 A schematic diagram of the cross-sectional structure of the knurling device for a paper cup machine provided in an embodiment of the present application Figure 1 ;

[0024] Figure 2 A schematic diagram of the cross-sectional structure of the knurling device for a paper cup machine provided in an embodiment of the present application Figure 2 ;

[0025] Figure 3 A schematic diagram of the cross-sectional structure of the knurling device for a paper cup machine provided in an embodiment of the present application Figure 3 .

[0026] 10. The reference numerals in the figure are as follows: 101. upper box body; 102. knurled pressure wheel; 103. outer mold; 104. knurled pressure wheel seat; 105. buffer spring; 106. guide sleeve; 107. guide rod; 108. protrusion; 109. pulley; 201. lower box body; 202. sliding plate; 203. fixed guide rail; 204. rotating shaft; 205. cam; 206. roller seat; 207. roller; 208. reset spring; 209. guide column; 210. sliding sleeve; 211. connecting plate; 212. step; 213. sliding guide rail; 214. supporting bearing. DETAILED DESCRIPTION

[0027] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present application more clearly understood, the present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application.

[0028] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0029] It should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do 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 should not be understood as a limitation on the present application.

[0030] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of this application, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0031] Please also read Figures 1 to 3 Now, a knurling device for a paper cup machine provided in an embodiment of the present application is described. The knurling device for a paper cup machine includes an upper box assembly, a lower box assembly and a driving mechanism. Among them:

[0032] The upper box assembly includes an upper box body 101 and a knurled pressing wheel 102 and an outer mold 103 matched with the upper box body 101. In this embodiment, the knurled pressing wheel 102 and the outer mold 103 need to move synchronously to match the loading and unloading of paper cups in the paper cup machine. The lower box assembly includes a lower box body 201 and a sliding plate 202 disposed in the lower box body 201 and connected to the upper box body 101 through the lower box body 201, and also includes a fixed guide rail 203 slidably connected to the sliding plate 202 and used to provide a sliding guide for the sliding plate 202. The driving mechanism includes a rotating shaft 204 for inputting power and a cam 205 connected to the rotating shaft 204 and capable of rotating with the rotating shaft 204. It also includes a roller seat 206 connected to the sliding plate 202 and a roller 207 rotatably mounted on the roller seat 206 and abutting against the side wall of the cam 205. The side of the roller seat 206 facing away from the rotating shaft 204 is also connected to a return spring 208 that keeps the roller 207 continuously abutting against the cam 205.

[0033] According to the above structure provided in this embodiment, in the knurling device for a paper cup machine provided in this embodiment, the upper box assembly for knurling operation is arranged on the sliding plate 202 in the lower box assembly, and the sliding plate 202 can move relative to the fixed guide rail 203 under the sliding guide action of the fixed guide rail 203. Since the driving mechanism in this embodiment includes a roller 207 connected to the sliding plate 202 and a cam 205 connected to the rotating shaft 204, and also includes a reset spring 208 that makes the roller 207 and the cam 205 continuously abut, when the rotating shaft 204 rotates, the cam 205 can drive the sliding plate 202 to move back and forth quickly and stably relative to the fixed guide rail 203 by cooperating with the roller 207 that continuously abuts against its side wall, which has far superior movement stability and movement efficiency than the prior art, and can greatly improve the knurling efficiency of the knurling device. It should be noted that in the actual knurling process of the paper cup machine, the edge profile of the cam 205 can also be flexibly designed as needed to make the movement process of the sliding plate 202 relative to the fixed guide rail 203 more suitable for the knurling process of the paper cup machine.

[0034] In another embodiment of the application, please refer to Figures 1 to 3 The driving mechanism further includes a guide post 209 disposed on the same side of the roller seat 206 as the return spring 208, the guide post 209 is parallel to the fixed guide rail 203, and a sliding sleeve 210 slidably connected to the guide post 209 is disposed on the roller seat 206. According to the above structure provided in this embodiment, the sliding stability of the sliding plate 202 relative to the fixed guide rail 203 can be effectively improved through the slidably connected guide post 209 and the sliding sleeve 210, which is conducive to further improving the knurling efficiency of the knurling device of the paper cup machine in this embodiment.

[0035] In another embodiment of the application, please refer to Figures 1 to 3 The driving mechanism further includes a connecting plate 211 connected to the outside of the lower box 201, and two guide pillars 209 are arranged in parallel and all pass through the lower box 201 to be connected to the connecting plate 211. According to the above structure provided in this embodiment, the multiple guide pillars 209 connected to the same connecting plate 211 not only have better connection stability, but also can further improve the sliding stability of the sliding plate 202 relative to the fixed guide rail 203.

[0036] In another embodiment of the application, please refer to Figures 1 to 3 The return spring 208 is coaxially sleeved on the outside of the guide column 209. According to the above structure provided in this embodiment, under the premise of realizing the functions of the return spring 208 and the guide column 209, it is beneficial to make the structure of the knurling device of the paper cup machine provided in this embodiment more streamlined.

[0037] In another embodiment of the application, please refer to Figures 1 to 3A step 212 for supporting the fixed guide rail 203 is formed on the lower box body 201, and a sliding guide rail 213 slidably connected to the fixed guide rail 203 is connected to the sliding plate 202, and the sliding guide rail 213 is parallel to the fixed guide rail 203. According to the above structure provided in this embodiment, since the sliding guide rail 213 is parallel to the fixed guide rail 203 and slidably connected to the fixed guide rail 203, the sliding stability of the sliding plate 202 relative to the fixed guide rail 203 can be effectively improved, which is conducive to further improving the knurling efficiency of the knurling device of the paper cup machine in this embodiment.

[0038] In another embodiment of the application, please refer to Figures 1 to 3 The driving mechanism further includes a support bearing 214 mounted on the rotating shaft 204 and connected to the lower box 201. According to the above structure provided in this embodiment, the support bearing 214 mounted on the rotating shaft 204 can not only improve the installation stability of the rotating shaft 204, but also significantly increase the rotation speed of the rotating shaft 204, which is beneficial to further improve the knurling efficiency of the knurling device of the paper cup machine in this embodiment.

[0039] In another embodiment of the application, please refer to Figures 1 to 3 The upper box assembly also includes a knurled wheel seat 104 for mounting the knurled wheel 102 and the outer mold 103. The knurled wheel seat 104 is slidably connected to the upper box body 101 and the sliding direction of the knurled wheel seat 104 relative to the upper box body 101 is parallel to the fixed guide rail 203. A buffer spring 105 capable of elastic deformation is also connected between the knurled wheel seat 104 and the upper box body 101. According to the above structure provided in this embodiment, the buffer spring 105 arranged between the knurled wheel seat 104 and the upper box body 101 can be better adapted to the feeding mechanism of the paper cup machine, so that when paper cups of different sizes and specifications are fed onto the outer mold 103, the knurled wheel seat 104 can move within a certain range relative to the upper box body 101 to adapt to the bottom position of the paper cup and avoid the paper cup from being crushed during the knurling process, which is conducive to significantly improving the knurling quality of the knurling device of the paper cup machine provided in this embodiment.

[0040] In another embodiment of the application, please refer to Figures 1 to 3 The upper box assembly further includes a coaxially movable guide sleeve 106 and a guide rod 107, the guide sleeve 106 is connected to the buffer spring 105 and connected to the knurling roller seat 104 through the buffer spring 105, and the guide rod 107 is connected to the upper box body 101. According to the above structure provided in this embodiment, the mutual cooperation between the guide sleeve 106 and the guide rod 107 can make the movement of the knurling roller seat 104 relative to the upper box body 101 more stable, which is conducive to further improving the knurling quality of the knurling device for the paper cup machine provided in this embodiment.

[0041] In another embodiment of the application, please refer to Figures 1 to 3 The knurled roller seat 104 is provided with a protrusion 108 for connecting the buffer spring 105. According to the above structure provided in this embodiment, the protrusion 108 provided on the knurled roller seat 104 can be used to more conveniently install the buffer spring 105, which is beneficial to improve the structural stability of the upper box assembly in this embodiment.

[0042] In another embodiment of the application, please refer to Figures 1 to 3 The upper box assembly further includes a pulley 109 which is transmission-connected to the knurling pressing wheel 102 and is used to drive the knurling pressing wheel 102. According to the above structure provided in this embodiment, the pulley 109 can be used to stably drive the knurling pressing wheel 102 to perform the knurling operation, which is beneficial to further improve the knurling quality of the knurling device for the paper cup machine provided in this embodiment.

[0043] The above description is only a preferred embodiment of the present application and is not intended to limit the present application. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims

1. A knurling device for a paper cup machine, characterized in that: include: An upper box assembly, comprising an upper box body (101) and a knurled pressing wheel (102) and an outer mold (103) matched with the upper box body (101); A lower box assembly, comprising a lower box body (201) and a sliding plate (202) disposed in the lower box body (201) and passing through the lower box body (201) and connected to the upper box body (101), and also comprising a fixed guide rail (203) slidably connected to the sliding plate (202) and used to provide a sliding guide for the sliding plate (202); The driving mechanism comprises a rotating shaft (204) for inputting power and a cam (205) connected to the rotating shaft (204) and capable of rotating along with the rotating shaft (204), and further comprises a roller seat (206) connected to the sliding plate (202) and a roller (207) rotatably mounted on the roller seat (206) and abutting against a side wall of the cam (205); a return spring (208) for causing the roller (207) to continuously abut against the cam (205) is further connected to a side of the roller seat (206) facing away from the rotating shaft (204).

2. The knurling device for a paper cup machine according to claim 1, characterized in that: The driving mechanism further comprises a guide column (209) arranged on the same side of the roller seat (206) as the return spring (208), and the guide column (209) is parallel to the fixed guide rail (203); The roller seat (206) is provided with a sliding sleeve (210) which is slidably connected to the guide column (209).

3. The knurling device for a paper cup machine according to claim 2, characterized in that: The driving mechanism further comprises a connecting plate (211) connected to the outside of the lower box (201), and two guide pillars (209) are arranged in parallel and all pass through the lower box (201) to be connected to the connecting plate (211).

4. The knurling device for a paper cup machine according to claim 3, characterized in that: The return spring (208) is coaxially sleeved on the outside of the guide column (209).

5. The knurling device for a paper cup machine according to claim 1, characterized in that: The lower box body (201) is formed with a step (212) for supporting the fixed guide rail (203); the sliding plate (202) is connected with a sliding guide rail (213) that is slidably connected to the fixed guide rail (203); The sliding guide rail (213) is parallel to the fixed guide rail (203).

6. The knurling device for a paper cup machine according to claim 1, characterized in that: The driving mechanism further comprises a supporting bearing (214) which is sleeved on the rotating shaft (204) and connected to the lower box (201).

7. The knurling device for a paper cup machine according to claim 1, characterized in that: The upper box assembly further comprises a knurled pressure wheel seat (104) for mounting the knurled pressure wheel (102) and the outer mold (103); the knurled pressure wheel seat (104) is slidably connected to the upper box body (101), and a sliding direction of the knurled pressure wheel seat (104) relative to the upper box body (101) is parallel to the fixed guide rail (203); A buffer spring (105) capable of elastic deformation is also connected between the knurled pressure wheel seat (104) and the upper box body (101).

8. The knurling device for a paper cup machine according to claim 7, characterized in that: The upper box assembly also includes a coaxial movable sleeve guide sleeve (106) and a guide rod (107); The guide sleeve (106) is connected to the buffer spring (105) and connected to the knurled pressure wheel seat (104) through the buffer spring (105); the guide rod (107) is connected to the upper box body (101).

9. The knurling device for a paper cup machine according to claim 8, characterized in that: A protrusion (108) for connecting to the buffer spring (105) is formed on the knurled pressure wheel seat (104).

10. The knurling device for a paper cup machine according to claim 1, characterized in that: The upper box assembly further comprises a pulley (109) which is transmission-connected to the knurled pressing wheel (102) and is used to drive the knurled pressing wheel (102).

Images