Roller for entertainment

Abstract

The utility model relates to a roller for entertainment, which comprises a grinding table, a grinding disc is arranged on the grinding table, a first vertical shaft is fixedly arranged at the center of the grinding disc, a grinding roller is arranged on the grinding disc, a grinding frame is sleeved on the periphery of the grinding roller, one end of the grinding frame is adjustably and rotatably mounted at different heights of the first vertical shaft, and the other end of the grinding frame is rotatably mounted on the first vertical shaft. The other opposite end of the grinding frame is provided with a lifting mechanism used for balancing the grinding roller, and the grinding frame is driven to enable the grinding roller to rotate around the first vertical shaft on the grinding disc; a plurality of image-text templates are arranged on the surface of the grinding disc and located on the rotating motion path of the grinding roller, and a grinding material capable of being placed at any position of the image-text templates is arranged between the image-text templates and the grinding roller. By improving a traditional roller, a user can experience the surface grinding process and principle of the roller, and meanwhile, the user can obtain rolled printed matter manufactured by himself / herself.

Description

Technical Field

[0001] The utility model relates to the technical field of entertainment devices, in particular to a roller used for entertainment. Background Art

[0002] Stone roller flour grinding has a long history in China. It is generally composed of a disc-shaped millstone and a cylindrical roller. The flour is ground by the rolling of the roller on the millstone. This tool was very common in rural China before electrification, but due to the rapid development of the times, the millstone was gradually abandoned. However, there are many millstones and rollers left in rural areas. In order to preserve and carry forward Chinese traditional culture and ensure that the millstones are not wasted, the millstone is popularized in people's lives as a form of entertainment.

[0003] In view of this, the inventor provides a roller for entertainment to solve the above technical problems. Utility Model Content

[0004] The purpose of the utility model is to overcome the shortcomings of the above-mentioned prior art and to provide a roller for entertainment. By arranging a plurality of graphic templates on the upper surface of the roller disc and arranging a roller sleeve on the circumference of the roller core, the roller can print on the rolled material, and a lifting mechanism is provided to adjust the height of the roller frame so as to facilitate printing on different rolled materials.

[0005] The purpose of the utility model is to solve the problem through the following technical solutions:

[0006] A roller for entertainment, comprising a roller platform, a roller disc is arranged on the roller platform, a first vertical axis is fixedly arranged at the center of the roller disc, a roller is arranged on the roller disc, and a roller frame is sleeved on the outer periphery of the roller, one end of the roller frame is adjustable and rotatably mounted at different heights of the first vertical axis, and a lifting mechanism for balancing the roller is arranged at the other end of the roller frame, and the roller frame is driven to realize the roller rotating around the first vertical axis on the roller disc;

[0007] A plurality of graphic templates are arranged on the surface of the milling disc and on the path of the rotating motion of the milling roller, and a milling material that can be placed at any position of the graphic template is arranged between the graphic template and the milling roller.

[0008] Furthermore, the roller comprises a horizontally arranged roller core, and a roller sleeve is sleeved on the circumference of the roller core, and the two are fixedly connected by a plurality of first connecting members.

[0009] Furthermore, the rolling frame comprises a rectangular frame composed of four support plates spliced ​​together, and fixed shafts are arranged at the centers of both ends of the rolling roller, and the fixed shafts are rotatably connected to the rectangular frame through bearings;

[0010] A connecting ring is arranged at one end of the rectangular frame, on a side close to the first vertical axis, and a handle for driving the rolling frame is arranged at the other end of the rectangular frame, on a side away from the first vertical axis.

[0011] Furthermore, a plurality of limit holes are evenly arranged on the first vertical axis along the height direction, and the height of the rolling frame on the first vertical axis is adjusted by inserting or pulling out a pin through the limit holes. The connecting ring is sleeved on the first vertical axis and located on the upper part of the pin for rotating around the first vertical axis.

[0012] Furthermore, a jack and a slide plate at the bottom of the rectangular frame are provided on one side close to the first vertical axis and used to adjust the height of the rolling frame on the first vertical axis. The connecting ring is sleeved on the first vertical axis and rotates around the first vertical axis.

[0013] Furthermore, the lifting mechanism includes a second vertical shaft, a through groove is opened at the center of the second vertical shaft along the height direction, the bearing is located in the through groove, the fixed shaft is inserted into the bearing and is rotatably connected to the second vertical shaft, a pulley is installed at the bottom of the second vertical shaft, and a limit piece for adjusting the height of the rolling frame is provided on the second vertical shaft.

[0014] Furthermore, the lifting mechanism is composed of a jack and a slide plate at the bottom end thereof, and is arranged at the bottom end of the rectangular frame.

[0015] Furthermore, a reinforcement plate is arranged above the roller, the first vertical axis and the second vertical axis are respectively inserted into both ends of the reinforcement plate, and limiters are respectively arranged on the circumference of the first vertical axis and the second vertical axis and on the upper and lower surfaces of the reinforcement plate.

[0016] Furthermore, the graphic template is fixed on the rolling disc via a second connecting piece, and the first connecting piece and the second connecting piece are both magnetic adsorption or glue or screw structures.

[0017] Furthermore, the rectangular frame and one end of the fixed shaft are detachably connected with a rocker located above the lifting mechanism, and the rocker is used to drive the roller to rotate in situ by rotating the rocker.

[0018] Compared with the prior art, the technical solution provided by the utility model has the following beneficial effects:

[0019] 1. The utility model relates to a millstone for entertainment. A traditional millstone is carved with regular strips or mesh textures by stonemasons, the purpose of which is to increase the friction when grinding grains. The utility model improves the traditional millstone by arranging a plurality of graphic templates on the upper surface of the millstone, and a rolling sleeve is arranged on the circumference of the rolling core, so that the millstone can print the rolling material, and a lifting mechanism is arranged to adjust the height of the mill frame so as to facilitate the printing of different rolling materials. The improvement of the traditional millstone allows users to experience the process and principle of millstone grinding and obtain the rolling prints made by themselves.

[0020] 2. The utility model is a roller for entertainment, in which a rocker is detachably connected to one end of a rectangular frame and a fixed shaft, located above a lifting mechanism. Rotating the rocker is used to drive the roller to rotate in situ, which adds a new way to experience the roller in addition to printing. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The accompanying drawings herein are incorporated into and constitute a part of this specification, and together with the description, are used to explain the principles of the present utility model.

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

[0023] Figure 1 This is a schematic diagram of the structure of the roller in Example 1 of the utility model;

[0024] Figure 2 This is a top view of the roller of the utility model;

[0025] Figure 3 It is a side view of the roller of the utility model;

[0026] Figure 4 This is a schematic diagram of the structure of the roller in Embodiment 3 of the utility model;

[0027] Figure 5 This is a schematic structural diagram of a roller according to Embodiment 4 of the present utility model.

[0028] Among them: 1 is a rolling table; 2 is a rolling disc; 3 is a first vertical axis; 4 is a rolling roller; 5 is a rolling frame; 6 is a graphic template; 7 is a rolling material; 8 is a reinforcing plate; 9 is a limiter; 10 is a bearing; 31 is a limiting hole; 41 is a rolling core of the rolling roller; 42 is a rolling sleeve; 43 is a first connecting piece; 51 is a lifting mechanism; 52 is a rectangular frame; 53 is a fixed axis; 54 is a connecting ring; 55 is a handle; 56 is a rocker; 511 is a second vertical axis; 512 is a pulley; 5111 is a through groove. DETAILED DESCRIPTION

[0029] Here, exemplary embodiments will be described in detail, examples of which are shown in the accompanying drawings. When the following description refers to the drawings, unless otherwise indicated, the same numbers in different drawings represent the same or similar elements. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the utility model. Instead, they are only examples of devices consistent with some aspects of the utility model as detailed in the attached claims.

[0030] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments.

[0031] Example 1

[0032] See also Figure 1 to Figure 3 The utility model provides a roller for entertainment, including a roller platform 1, a roller disc 2 is arranged on the roller platform 1, a first vertical axis 3 is fixedly arranged at the center of the roller disc 2, a roller 4 is arranged on the roller disc 2, and a roller frame 5 is sleeved on the outer periphery of the roller 4, one end of the roller frame 5 is adjustable and rotatably mounted at different heights of the first vertical axis 3, and a lifting mechanism 51 for balancing the roller 4 is arranged at the other end of the roller frame 5, and the roller frame 5 is driven to realize the roller 4 to rotate around the first vertical axis 3 on the roller disc 2;

[0033] A plurality of graphic templates 6 are arranged on the surface of the grinding disc 2 and on the path of the rotating movement of the grinding roller 4 , and a grinding material 7 that can be placed on any position of the graphic template 6 is arranged between the graphic template 6 and the grinding roller 4 .

[0034] The number of graphic templates 6 is not limited, and in this embodiment, there is one graphic template.

[0035] In the embodiment of the utility model, the roller 4 includes a horizontally arranged roller core 41, and a roller sleeve 42 is sleeved on the circumferential surface of the roller core 41, and the two are fixedly connected by multiple first connecting members 43. Specifically, the first connecting member is magnetic adsorption or glue or screws. In this embodiment, glue is used for pasting.

[0036] The grinding frame 5 includes a rectangular frame 52 composed of four support plates spliced ​​together, and fixed shafts 53 are arranged at the centers of both ends of the grinding roller 4, and the fixed shaft 53 is rotatably connected to the rectangular frame 52 through bearings 10; a connecting ring 54 is arranged at one end of the rectangular frame 52, close to the first vertical axis 3, and a handle 55 for pushing the grinding frame 5 is arranged at the other end of the rectangular frame 52, away from the first vertical axis 3.

[0037] The number and outer surface structure of the rolling sleeve 42 are not limited in the present invention. The surface may be a surface with graphics or paint, or a smooth surface. Preferably, the outer surface of the rolling sleeve 42 in this embodiment is a smooth surface.

[0038] Specifically, one end of the rolling frame 5 is adjustable and rotatably mounted at different heights of the first vertical axis 3, which is specifically implemented as follows:

[0039] A plurality of limit holes 31 are evenly arranged on the first vertical axis 3 along the height direction. The limit holes 31 are used to adjust the height of the rolling frame 5 on the first vertical axis 3 by inserting or pulling out the pin. The connecting ring 54 is sleeved on the first vertical axis 3 and located on the upper part of the pin for rotating around the first vertical axis 3.

[0040] Specifically, the lifting mechanism 51 includes a second vertical shaft 511, a through groove 5111 is opened at the center of the second vertical shaft 511 along the height direction, the bearing 10 is located in the through groove 5111, the fixed shaft 53 is inserted into the bearing 10 and is rotatably connected to the second vertical shaft 511, a pulley 512 is installed at the bottom of the second vertical shaft 511, and a limit piece for adjusting the height of the grinding frame 5 is arranged on the second vertical shaft 511.

[0041] The second vertical axis 511 is an external thread structure, and the limiting member is a sleeve or a nut. In this embodiment, a nut is selected.

[0042] By arranging height-adjustable structures and lifting mechanisms 51 at both ends of the rolling frame 5, the distance between the rolling roller 4 and the graphic template 6 can be freely adjusted, which facilitates the replacement of the rolling material 7 and meets different printing requirements.

[0043] A reinforcing plate 8 is arranged above the roller 4, and the first vertical axis 3 and the second vertical axis 511 are respectively inserted into the two ends of the reinforcing plate 8, and limiters 9 are respectively arranged on the circumference of the first vertical axis 3 and the second vertical axis 511 and on the upper and lower surfaces of the reinforcing plate 8.

[0044] Specifically, the upper portion of the first vertical shaft 3 is an external thread structure, the second vertical shaft 511 is an external thread structure, and the limiter 9 is a sleeve or a nut with an internal thread. In this embodiment, a nut is selected.

[0045] Furthermore, the graphic template 6 is fixed on the rolling disc 2 through a second connecting piece. The second connecting piece is a magnetic adsorption or glue or screw structure. In this embodiment, glue is used for gluing.

[0046] The present embodiment does not limit the rolling material 7, and paper, clothes or other materials may be selected.

[0047] As a technical optimization solution of the present invention, the rectangular frame 52 and one end of the fixed shaft 53, located above the lifting mechanism 51, are detachably connected with a rocker 56, which is used to drive the roller 4 to rotate in situ by rotating the rocker 56.

[0048] Specifically, a threaded hole or a hole with a mortise and tenon structure is provided at one end of the fixed shaft 53, which is located on one side of the lifting mechanism 51. When the hole with the mortise and tenon structure is provided inside the fixed shaft 53, a structure matching the mortise and tenon structure provided inside the fixed shaft 53 is provided at one end of the rocker 56, and the rocker 56 with the mortise and tenon structure on one side is inserted and locked on the fixed shaft 53; when the fixed shaft 53 is a threaded hole, an external threaded structure is provided at one end of the rocker 56, and the rocker 56 with the external threaded structure on one side is inserted and locked on the fixed shaft 53, and the rocker 56 is driven by the bearing 10 to make the fixed shaft 53 and the roller 4 rotate in place. This embodiment does not limit the connection method between the rocker 56 and the fixed shaft 53, as long as the rocker 56 and the fixed shaft 53 can be detachably connected.

[0049] In this embodiment, the lifting mechanism 51 and the lifting structure are used to separate the rolling frame 5 from the rolling material 7 and the graphic template 6, and the rocker 56 is used to drive the rolling roller 4 to rotate in situ, performing a random rotation, i.e., a probabilistic entertainment activity.

[0050] Example 2

[0051] See also Figure 3 , Figure 5 The utility model provides a roller for entertainment, including a roller platform 1, a roller disc 2 is arranged on the roller platform 1, a first vertical axis 3 is fixedly arranged at the center of the roller disc 2, a roller 4 is arranged on the roller disc 2, and a roller frame 5 is sleeved on the outer periphery of the roller 4, one end of the roller frame 5 is adjustable and rotatably mounted at different heights of the first vertical axis 3, and a lifting mechanism 51 for balancing the roller 4 is arranged at the other end of the roller frame 5, and the roller frame 5 is driven to realize the roller 4 to rotate around the first vertical axis 3 on the roller disc 2;

[0052] A plurality of graphic templates 6 are arranged on the surface of the grinding disc 2 and on the path of the rotating movement of the grinding roller 4 , and a grinding material 7 that can be placed on any position of the graphic template 6 is arranged between the graphic template 6 and the grinding roller 4 .

[0053] There is no limit to the number of graphic templates 6, and in this embodiment, there are 6 graphic templates.

[0054] In the embodiment of the utility model, the roller 4 includes a horizontally arranged roller core 41, and a roller sleeve 42 is sleeved on the circumferential surface of the roller core 41, and the two are fixedly connected by multiple first connecting members 43. Specifically, the first connecting member is a magnetic adsorption or glue or screw structure. Magnetic adsorption is selected in this embodiment.

[0055] The rolling frame 5 includes a rectangular frame 52 composed of four support plates spliced ​​together. Fixed shafts 53 are arranged at the centers of both ends of the rolling roller 4. The fixed shaft 53 is rotatably connected to the rectangular frame 52 through bearings 10. A connecting ring 54 is arranged at one end of the rectangular frame 52, close to the first vertical axis 3, and a handle 55 for pulling the rolling frame 5 is arranged at the other end of the rectangular frame 52, away from the first vertical axis 3.

[0056] The number and outer surface structure of the rolling sleeve 42 are not limited in the present invention. The surface may be provided with graphics or paint, or may be a smooth surface. Preferably, the outer surface of the rolling sleeve 42 in the present embodiment is provided with paint.

[0057] Specifically, one end of the rolling frame 5 is adjustable and rotatably mounted at different heights of the first vertical axis 3, which is specifically implemented as follows:

[0058] A jack and a slide plate at the bottom of the rectangular frame 52 are provided at the bottom end thereof, close to the first vertical axis 3, for adjusting the height of the rolling frame 5 on the first vertical axis 3; the connecting ring 54 is sleeved on the first vertical axis 3 and rotates around the first vertical axis 3.

[0059] Specifically, the lifting mechanism 51 includes a second vertical shaft 511, a through groove 5111 is opened at the center of the second vertical shaft 511 along the height direction, the bearing 10 is located in the through groove 5111, the fixed shaft 53 is inserted into the bearing 10 and is rotatably connected to the second vertical shaft 511, a pulley 512 is installed at the bottom of the second vertical shaft 511, and a limit piece for adjusting the height of the grinding frame 5 is arranged on the second vertical shaft 511.

[0060] The second vertical axis 511 is an external thread structure, and the limiting member is a sleeve or a nut. In this embodiment, a nut is selected.

[0061] By arranging height-adjustable structures and lifting mechanisms 51 at both ends of the rolling frame 5, the distance between the rolling roller 4 and the graphic template 6 can be freely adjusted.

[0062] Furthermore, the graphic template 6 is fixed on the grinding disc 2 through a second connecting member, and the second connecting member is a magnetic adsorption or glue or screw structure. In this embodiment, magnetic adsorption is selected.

[0063] The present embodiment does not limit the rolling material 7, and the present embodiment selects thick paper.

[0064] As a technical optimization solution of the present invention, the rectangular frame 52 and one end of the fixed shaft 53, located above the lifting mechanism 51, are detachably connected with a rocker 56, which is used to drive the roller 4 to rotate in situ by rotating the rocker 56.

[0065] Specifically, a threaded hole or a hole with a mortise and tenon structure is provided at one end of the fixed shaft 53, which is located on one side of the lifting mechanism 51. When the hole with the mortise and tenon structure is provided inside the fixed shaft 53, a structure matching the mortise and tenon structure provided inside the fixed shaft 53 is provided at one end of the rocker 56, and the rocker 56 with the mortise and tenon structure on one side is inserted and locked on the fixed shaft 53; when the fixed shaft 53 is a threaded hole, an external threaded structure is provided at one end of the rocker 56, and the rocker 56 with the external threaded structure on one side is inserted and locked on the fixed shaft 53, and the rocker 56 is driven by the bearing 10 to make the fixed shaft 53 and the roller 4 rotate in place. This embodiment does not limit the connection method between the rocker 56 and the fixed shaft 53, as long as the rocker 56 and the fixed shaft 53 can be detachably connected.

[0066] In this embodiment, the lifting mechanism 51 and the lifting structure are used to separate the rolling frame 5 from the rolling material 7 and the graphic template 6, and the rocker 56 is used to drive the rolling roller 4 to rotate in situ, performing a random rotation, i.e., a probabilistic entertainment activity.

[0067] Example 3

[0068] See also Figure 2 , Figure 4 , Figure 5 The utility model provides a roller for entertainment, including a roller platform 1, a roller disc 2 is arranged on the roller platform 1, a first vertical axis 3 is fixedly arranged at the center of the roller disc 2, a roller 4 is arranged on the roller disc 2, and a roller frame 5 is sleeved on the outer periphery of the roller 4, one end of the roller frame 5 is adjustable and rotatably mounted at different heights of the first vertical axis 3, and a lifting mechanism 51 for balancing the roller 4 is arranged at the other end of the roller frame 5, and the roller frame 5 is driven to realize the roller 4 to rotate around the first vertical axis 3 on the roller disc 2;

[0069] A plurality of graphic templates 6 are arranged on the surface of the grinding disc 2 and on the path of the rotating movement of the grinding roller 4 , and a grinding material 7 that can be placed on any position of the graphic template 6 is arranged between the graphic template 6 and the grinding roller 4 .

[0070] There is no limit on the number of graphic templates 6 , and in this embodiment, there are 8 graphic templates 6 .

[0071] In the embodiment of the utility model, the roller 4 includes a horizontally arranged roller core 41, and a roller sleeve 42 is sleeved on the circumferential surface of the roller core 41, and the two are fixedly connected by multiple first connecting members 43. Specifically, the first connecting member is a magnetic adsorption or glue or screw structure, and the screw structure is selected in this embodiment.

[0072] The grinding frame 5 includes a rectangular frame 52 composed of four support plates spliced ​​together, and fixed shafts 53 are arranged at the centers of both ends of the grinding roller 4, and the fixed shaft 53 is rotatably connected to the rectangular frame 52 through bearings 10; a connecting ring 54 is arranged at one end of the rectangular frame 52, close to the first vertical axis 3, and a handle 55 for pushing the grinding frame 5 is arranged at the other end of the rectangular frame 52, away from the first vertical axis 3.

[0073] The number and outer surface structure of the rolling sleeve 42 are not limited in the present invention. The surface may have graphics or paint, or may be a smooth surface. Preferably, the outer surface of the rolling sleeve 42 in this embodiment is a surface with graphics.

[0074] Specifically, one end of the rolling frame 5 is adjustable and rotatably mounted at different heights of the first vertical axis 3, which is specifically implemented as follows:

[0075] A jack and a slide plate at the bottom of the rectangular frame 52 are provided at the bottom end, close to the first vertical axis 3 , for adjusting the height of the rolling frame 5 on the first vertical axis 3 . The connecting ring 54 is sleeved on the first vertical axis 3 and rotates around the first vertical axis 3 .

[0076] Specifically, the lifting mechanism 51 is composed of a jack and a slide plate at the bottom thereof, and is disposed at the bottom end of the rectangular frame 52 .

[0077] By arranging height-adjustable structures and lifting mechanisms 51 at both ends of the rolling frame 5, the distance between the rolling roller 4 and the graphic template 6 can be freely adjusted.

[0078] Furthermore, the graphic template 6 is fixed on the grinding disc 2 through a second connecting member, and the second connecting member is a magnetic adsorption or glue or screw structure. The present embodiment uses a screw structure.

[0079] This embodiment has certain restrictions on the thickness and hardness of the rolling material 7 to ensure that the printing on the upper and lower sides of the rolling material 7 does not affect each other.

[0080] As a technical optimization solution of the present invention, the rectangular frame 52 and one end of the fixed shaft 53, located above the lifting mechanism 51, are detachably connected with a rocker 56, which is used to drive the roller 4 to rotate in situ by rotating the rocker 56.

[0081] Specifically, a threaded hole or a hole with a mortise and tenon structure is provided at one end of the fixed shaft 53, which is located on one side of the lifting mechanism 51. When the hole with the mortise and tenon structure is provided inside the fixed shaft 53, a structure matching the mortise and tenon structure provided inside the fixed shaft 53 is provided at one end of the rocker 56, and the rocker 56 with the mortise and tenon structure on one side is inserted and locked on the fixed shaft 53; when the fixed shaft 53 is a threaded hole, an external threaded structure is provided at one end of the rocker 56, and the rocker 56 with the external threaded structure on one side is inserted and locked on the fixed shaft 53, and the rocker 56 is driven by the bearing 10 to make the fixed shaft 53 and the roller 4 rotate in place. This embodiment does not limit the connection method between the rocker 56 and the fixed shaft 53, as long as the rocker 56 and the fixed shaft 53 can be detachably connected.

[0082] In this embodiment, the lifting mechanism 51 and the lifting structure are used to separate the rolling frame 5 from the rolling material 7 and the graphic template 6, and the rocker 56 is used to drive the rolling roller 4 to rotate in situ, performing a random rotation, i.e., a probabilistic entertainment activity.

[0083] Example 4

[0084] See also Figure 2 , Figure 5 The utility model provides a roller for entertainment, including a roller platform 1, a roller disc 2 is arranged on the roller platform 1, a first vertical axis 3 is fixedly arranged at the center of the roller disc 2, a roller 4 is arranged on the roller disc 2, and a roller frame 5 is sleeved on the outer periphery of the roller 4, one end of the roller frame 5 is adjustable and rotatably mounted at different heights of the first vertical axis 3, and a lifting mechanism 51 for balancing the roller 4 is arranged at the other end of the roller frame 5, and the roller frame 5 is driven to realize the roller 4 to rotate around the first vertical axis 3 on the roller disc 2;

[0085] A plurality of graphic templates 6 are arranged on the surface of the grinding disc 2 and on the path of the rotating movement of the grinding roller 4 , and a grinding material 7 that can be placed on any position of the graphic template 6 is arranged between the graphic template 6 and the grinding roller 4 .

[0086] There is no limit on the number of graphic templates 6 , and in this embodiment, there are 5 graphic templates 6 .

[0087] In the embodiment of the utility model, the roller 4 includes a horizontally arranged roller core 41, and a roller sleeve 42 is sleeved on the circumferential surface of the roller core 41, and the two are fixedly connected by multiple first connecting members 43. Specifically, the first connecting member is magnetic adsorption or glue or screws. Glue is selected in this embodiment.

[0088] The grinding frame 5 includes a rectangular frame 52 composed of four support plates spliced ​​together, and fixed shafts 53 are arranged at the centers of both ends of the grinding roller 4, and the fixed shaft 53 is rotatably connected to the rectangular frame 52 through bearings 10; a connecting ring 54 is arranged at one end of the rectangular frame 52, close to the first vertical axis 3, and a handle 55 for pushing the grinding frame 5 is arranged at the other end of the rectangular frame 52, away from the first vertical axis 3.

[0089] The number and outer surface structure of the rolling sleeve 42 are not limited in the present invention. The surface may have graphics or paint, or may be a smooth surface. Preferably, the outer surface of the rolling sleeve 42 in this embodiment is a smooth surface.

[0090] Specifically, one end of the rolling frame 5 is adjustable and rotatably mounted at different heights of the first vertical axis 3, which is specifically implemented as follows:

[0091] A plurality of limit holes 31 are evenly arranged on the first vertical axis 3 along the height direction. The limit holes 31 are used to adjust the height of the rolling frame 5 on the first vertical axis 3 by inserting or pulling out the pin. The connecting ring 54 is sleeved on the first vertical axis 3 and located on the upper part of the pin for rotating around the first vertical axis 3.

[0092] Specifically, the lifting mechanism 51 is composed of a jack and a slide plate at the bottom thereof, and is disposed at the bottom end of the rectangular frame 52 .

[0093] By arranging height-adjustable structures and lifting mechanisms 51 at both ends of the rolling frame 5, the distance between the rolling roller 4 and the graphic template 6 can be freely adjusted.

[0094] Furthermore, the graphic template 6 is fixed on the grinding disc 2 through a second connecting member, and the second connecting member is a magnetic adsorption or glue or screw structure. The present embodiment uses a screw structure.

[0095] The present embodiment does not limit the rolling material 7, and paper, clothes or other materials may be selected.

[0096] As a technical optimization solution of the present invention, the rectangular frame 52 and one end of the fixed shaft 53, located above the lifting mechanism 51, are detachably connected with a rocker 56, which is used to drive the roller 4 to rotate in situ by rotating the rocker 56.

[0097] Specifically, a threaded hole or a hole with a mortise and tenon structure is provided at one end of the fixed shaft 53, which is located on one side of the lifting mechanism 51. When the hole with the mortise and tenon structure is provided inside the fixed shaft 53, a structure matching the mortise and tenon structure provided inside the fixed shaft 53 is provided at one end of the rocker 56, and the rocker 56 with the mortise and tenon structure on one side is inserted and locked on the fixed shaft 53; when the fixed shaft 53 is a threaded hole, an external threaded structure is provided at one end of the rocker 56, and the rocker 56 with the external threaded structure on one side is inserted and locked on the fixed shaft 53, and the rocker 56 is driven by the bearing 10 to make the fixed shaft 53 and the roller 4 rotate in place. This embodiment does not limit the connection method between the rocker 56 and the fixed shaft 53, as long as the rocker 56 and the fixed shaft 53 can be detachably connected.

[0098] In this embodiment, the lifting mechanism 51 and the lifting structure are used to separate the rolling frame 5 from the rolling material 7 and the graphic template 6, and the rocker 56 is used to drive the rolling roller 4 to rotate in situ, performing a random rotation, i.e., a probabilistic entertainment activity.

[0099] The above description is only a specific embodiment of the present invention, so that those skilled in the art can understand or implement the present invention. Various modifications to these embodiments will be obvious to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present invention.

[0100] It should be understood that the present invention is not limited to the above-described contents, and various modifications and changes can be made without departing from its scope. The scope of the present invention is limited only by the appended claims.

Claims

1. A roller for entertainment, characterized in that: The invention comprises a rolling platform (1), wherein a rolling disc (2) is arranged on the rolling platform (1), a first vertical axis (3) is fixedly arranged at the center of the rolling disc (2), a rolling roller (4) is arranged on the rolling disc (2), and a rolling frame (5) is sleeved on the outer circumference of the rolling roller (4), one end of the rolling frame (5) is adjustable and rotatably mounted at different heights of the first vertical axis (3), and a lifting mechanism (51) for balancing the rolling roller (4) is arranged at the other end of the rolling frame (5), and the rolling frame (5) is driven to realize the rolling roller (4) rotating around the first vertical axis (3) on the rolling disc (2); A plurality of graphic templates (6) are arranged on the surface of the grinding disc (2) and on the path of the rotating movement of the grinding roller (4), and a grinding material (7) that can be placed at any position of the graphic template (6) is arranged between the graphic template (6) and the grinding roller (4).

2. The roller for entertainment according to claim 1, characterized in that: The roller (4) comprises a horizontally arranged roller core (41), and a roller sleeve (42) is sleeved on the circumference of the roller core (41), and the two are fixedly connected by a plurality of first connecting members (43).

3. The roller for entertainment according to claim 2, characterized in that: The rolling frame (5) comprises a rectangular frame (52) composed of four support plates spliced ​​together, and fixed shafts (53) are arranged at the centers of both ends of the rolling roller (4), and the fixed shaft (53) is rotatably connected to the rectangular frame (52) via bearings (10); A connecting ring (54) is provided at one end of the rectangular frame (52), on a side close to the first vertical axis (3), and a handle (55) for driving the rolling frame (5) is provided at the other end of the rectangular frame (52), on a side away from the first vertical axis (3).

4. The roller for entertainment according to claim 3, characterized in that: A plurality of limiting holes (31) are evenly arranged on the first vertical shaft (3) along the height direction. The height of the rolling frame (5) on the first vertical shaft (3) is adjusted by inserting or removing a latch into or from the limiting hole (31). The connecting ring (54) is sleeved on the first vertical shaft (3) and is located above the latch, and is used to rotate around the first vertical shaft (3).

5. The roller for entertainment according to claim 3, characterized in that: A jack and a slide plate at the bottom of the rectangular frame (52) are provided at the bottom end thereof, close to the first vertical axis (3), for adjusting the height of the rolling frame (5) on the first vertical axis (3); the connecting ring (54) is sleeved on the first vertical axis (3) and rotates around the first vertical axis (3).

6. The roller for entertainment according to claim 3, characterized in that: The lifting mechanism (51) comprises a second vertical shaft (511), a through groove (5111) is provided at the center of the second vertical shaft (511) along the height direction, the bearing (10) is located in the through groove (5111), the fixed shaft (53) is inserted into the bearing (10) and is rotatably connected to the second vertical shaft (511), a pulley (512) is installed at the bottom of the second vertical shaft (511), and a limiter for adjusting the height of the rolling frame (5) is provided on the second vertical shaft (511).

7. The roller for entertainment according to claim 3, characterized in that: The lifting mechanism (51) is composed of a jack and a slide plate at the bottom end thereof, and is arranged at the bottom end of the rectangular frame (52).

8. The roller for entertainment according to claim 6, characterized in that: A reinforcing plate (8) is arranged above the roller (4), the first vertical axis (3) and the second vertical axis (511) are respectively inserted into the two ends of the reinforcing plate (8), and limiters (9) are respectively arranged on the upper surface and the lower surface of the reinforcing plate (8) in the circumferential direction of the first vertical axis (3) and the second vertical axis (511).

9. The roller for entertainment according to claim 2, characterized in that: The graphic template (6) is fixed on the rolling disc (2) via a second connecting piece, and the first connecting piece (43) and the second connecting piece are both magnetic adsorption or glue or screw structures.

10. The roller for entertainment according to claim 7, characterized in that: The rectangular frame (52) and one end of the fixed shaft (53), located on one side of the lifting mechanism (51), are detachably connected with a rocker (56), and the rocker (56) is used to drive the roller (4) to rotate in situ by rotating the rocker.

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