Uninterrupted grinding equipment

Abstract

The utility model relates to the technical field of rubber part processing, and particularly discloses an uninterrupted grinding device which comprises a rotating disc, a first rotary driving assembly, a second rotary driving assembly and a grinding device, the rotating disc is internally provided with a circular through cavity, and the side wall of the circular through cavity is connected with the first rotary driving assembly through a gear rack structure; the lifting platform is arranged at the bottom of the edge of the rotating disc, a second rotating driving assembly is arranged on the lifting platform, and the second rotating driving assembly is sequentially connected with the multiple roller core inserting sleeves in a matched mode through a concave-convex structure; the abrasive belt grinding equipment comprises an abrasive belt grinding assembly and a telescopic driving carrying table, the telescopic driving carrying table is installed on the abrasive belt grinding assembly, and an expansion block which stretches into the abrasive belt grinding assembly and is used for enabling an abrasive belt to expand outwards is installed on the telescopic driving carrying table. And in the using process, the situation that much time is wasted due to feeding and discharging is avoided, the working efficiency is improved, the development benefits of enterprises are met, and high practicability is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of rubber part processing, and specifically discloses a continuous grinding device. Background Art

[0002] The rubber roller for paper feeding is used in the paper feeding mechanisms of various OA devices such as laser printers, electrostatic copiers, plain paper fax machines, and ATMs. After the rubber roller is formed, its surface is relatively rough, and there are a large number of burrs and sharp corners around it. Therefore, its surface needs to be ground. In the prior art, the grinding machine will leave a lot of idle time during the loading and unloading process by the operator, and the working efficiency is low, making it difficult to increase the output of the enterprise. To solve this problem, this application discloses a continuous grinding device. Content of the Utility Model

[0003] To overcome the deficiencies of the prior art, the utility model discloses a continuous grinding device.

[0004] To achieve the above object, the utility model is realized through the following technical solutions: A continuous grinding device, comprising:

[0005] A turntable, a circular through cavity is opened inside the turntable, and the side wall of the circular through cavity is connected with a first rotation driving component through a gear-rack structure;

[0006] A plurality of roller core sockets, and a plurality of roller core sockets are rotatably inserted at the edge of the turntable in an annular array and extend downward;

[0007] A lifting platform, the lifting platform is arranged at the bottom of the edge of the turntable, and a second rotation driving component is arranged on the lifting platform, and the second rotation driving component is sequentially connected with a plurality of roller core sockets through a concave-convex structure;

[0008] A sand belt grinding component, the sand belt grinding component is arranged outside the turntable;

[0009] A telescopic driving carrier, the telescopic driving carrier is installed on the sand belt grinding component, and an expansion block for expanding the sand belt outward is installed on the telescopic driving carrier and extends into the sand belt grinding component.

[0010] Further preferably, it further includes a circular table frame, a circular guide rail is arranged on the upper surface of the circular table frame, and the turntable is slidably connected to the circular guide rail.

[0011] Further preferably, the rack of the gear-rack structure is annularly arranged on the side wall of the circular through cavity;

[0012] The first rotation drive assembly includes a first motor with a speed reducer connected to its output shaft. The speed reducer and the first motor are arranged on the tabletop of a circular bench. The gear of the gear-rack structure is installed on the output shaft of the speed reducer and is meshed and connected with the rack on the side wall of the circular through cavity.

[0013] Further preferably, a plurality of bearings are arranged in an annular array inside the edge of the turntable, and a plurality of roller core sleeves are sequentially inserted into the plurality of bearings and extend downward.

[0014] Further preferably, the lifting platform is one of a hydraulic lifting platform, a pneumatic lifting platform or an electric lifting platform.

[0015] Further preferably, the second rotation drive assembly includes a second motor. The concave-convex structure includes a cross-shaped convex part and a cross-shaped groove. The cross-shaped convex part is integrally arranged on the top surface of the output shaft of the second motor, and the cross-shaped groove is opened on the bottom surface of the roller core sleeve.

[0016] Further preferably, the sand belt grinding assembly includes a sand belt body, a first pulley, a second pulley and two vertical rods. The first pulley and the second pulley are arranged up and down between the two vertical rods. A third motor is connected to the outside of one vertical rod of the first pulley, and the sand belt body is wound around the first pulley and the second pulley.

[0017] Further preferably, the telescopic drive platform includes a platform body and two linear cylinders. The two linear cylinders are arranged on the side of the two vertical rods far from the turntable. The platform body is connected to the piston rods of the two linear cylinders on the side close to the turntable, and the expansion block is fixed on the surface of the platform body on the side close to the turntable.

[0018] Further preferably, a fastening screw that can be screwed into or out of the shaft sleeve is arranged on the lower surface of the roller core sleeve.

[0019] The present utility model achieves the following beneficial effects:

[0020] The grinding equipment provided by this application can facilitate the operator to continuously load and unload materials, and will not waste too much time due to loading and unloading during the use process, improving the work efficiency, meeting the development interests of the enterprise, and having strong practicability.

[0021] As for other features and advantages of the present utility model, they will be described in the subsequent specification, and will be partially obvious from the specification, or will be understood by implementing the present utility model. The objectives and other advantages of the present utility model can be realized and obtained through the structure pointed out in the specification and the drawings. Description of the Drawings

[0022] The accompanying drawings here are incorporated into and form a part of this specification, showing embodiments in line with the disclosure of the present utility model, and are used together with the specification to explain the principles of the present disclosure.

[0023] Figure 1 Schematic diagram of the overall structure disclosed by the present utility model;

[0024] Figure 2 Schematic side view of the structure disclosed by the present utility model;

[0025] Figure 3 Schematic diagram of the bottom surface of the roll core socket disclosed by the present utility model. Detailed implementation mode

[0026] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments.

[0027] In the description of the present utility model, it should be understood that the terms "open hole", "upper", "lower", "thickness", "top", "middle", "length", "inner", "periphery", etc. indicating orientation or positional relationship are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the components or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be construed as a limitation of the present utility model.

[0028] Embodiment

[0029] In order to solve the problems in the prior art that the grinding machine cannot achieve continuous production and the efficiency is relatively low due to the loading and unloading by operators, referring to Figures 1-3 as shown, the present application discloses an uninterrupted grinding device, including:

[0030] A turntable 10, with a circular through cavity 11 opened inside the turntable, and the side wall of the circular through cavity is connected with a first rotary drive assembly 30 through a gear-rack structure 20;

[0031] A plurality of roll core sockets 40, which are rotatably inserted in an annular array at the edge of the turntable and extend downward;

[0032] A lifting platform 50, which is arranged at the bottom of the edge of the turntable, and a second rotary drive assembly 60 is arranged on the lifting platform. The second rotary drive assembly is sequentially connected with a plurality of roll core sockets through a concave-convex structure 70;

[0033] A sand belt grinding assembly 80, which is arranged outside the turntable;

[0034] The telescopic drive platform 90 is installed on the abrasive belt grinding assembly, and an expansion block 100 for expanding the abrasive belt outward is installed on the telescopic drive platform and extends into the abrasive belt grinding assembly.

[0035] Based on the above solution, the implementation process of this application is as follows:

[0036] The operator inserts the rubber rollers to be ground into the roller core bushings one by one, controls the first rotary drive assembly to drive the turntable to rotate through the cooperation of the gear-rack structure and the circular cavity. When the roller core bushing is directly above the lifting platform, controls the lifting platform to drive the second rotary drive assembly to rise and connect with the roller core bushing through the concave-convex structure, controls the telescopic drive platform to drive the expansion block to extend and contact the rubber roller, and controls the second rotary drive assembly to drive the roller core bushing to rotate through the concave-convex structure and make the abrasive belt grinding assembly work, then the outer ring of the rubber roller can be ground.

[0037] In order to support the turntable and enable it to rotate, this application further includes a circular table frame 110. A circular guide rail 111 is provided on the upper surface of the circular table frame. The turntable is slidably connected to the circular guide rail. When the first rotary drive assembly drives the turntable to rotate through the gear-rack structure, the turntable will slide smoothly on the circular guide rail.

[0038] Specifically, the rack 22 of the gear-rack structure of this application is annularly arranged on the side wall of the circular cavity;

[0039] The first rotary drive assembly includes a first motor 31 with a reducer 32 connected to the output shaft. The reducer and the first motor are arranged on the table surface of the circular table frame. The gear 21 of the gear-rack structure is installed on the output shaft of the reducer and meshes with the rack on the side wall of the circular cavity; driven by the first motor, the gear installed on the output shaft of the first motor will drive with the rack installed on the side wall of the circular cavity, thereby enabling the turntable to rotate as a whole.

[0040] In this embodiment, a number of bearings 12 are annularly arranged inside the edge of the turntable of this application. A number of roller core bushings are sequentially inserted into the a number of bearings and extend downward. In this way, when the second rotary drive assembly drives the roller core bushing to rotate through the concave-convex structure, the stability of the roller core bushing can be ensured, thereby improving the grinding quality of the rubber roller.

[0041] Optionally, the lifting platform of this application is one of a hydraulic lifting platform, a pneumatic lifting platform or an electric lifting platform. In specific implementation, if there are other lifting platforms that can meet the usage requirements of this application, those skilled in the art can also select them adaptively.

[0042] Specifically, the second rotation drive assembly of the present application includes a second motor. The concave-convex structure includes a cross-shaped convex member 71 and a cross-shaped groove 72. The cross-shaped convex member is integrally provided on the top surface of the output shaft of the second motor, and the cross-shaped groove is formed on the bottom surface of the roller core socket.

[0043] When the lifting platform drives the second motor to rise, the cross-shaped protrusion on the top of the second motor will be inserted into the cross-shaped groove of the roller core socket. Driven by the second motor, the roller core socket can rotate smoothly in the bearing of the turntable.

[0044] In this embodiment, the abrasive belt grinding assembly of the present application includes an abrasive belt body 81, a first pulley 82, a second pulley 83, and two vertical rods 84. The first pulley and the second pulley are arranged up and down between the two vertical rods. A third motor 85 is connected to the outside of one vertical rod of the first pulley. The abrasive belt body is wound around the first pulley and the second pulley. Driven by the third motor, the abrasive belt body will reciprocate on the first pulley and the second pulley, and can grind the outer ring of the rubber roller when it comes into contact with the rubber roller and the rubber roller is rotating.

[0045] In this embodiment, the telescopic drive stage includes a stage body 91 and two linear cylinders 92. The two linear cylinders are arranged on the side of the two vertical rods away from the turntable. The stage body is connected to the piston rods of the two linear cylinders on the side close to the turntable. The expansion block is fixed on the surface of the stage body on the side close to the turntable. Driven by the two linear cylinders, the stage body can extend. At this time, the expansion block can drive the abrasive belt body to extend outward toward one side of the turntable until it comes into contact with the rubber roller.

[0046] In order to fix or loosen the rubber roller and the roller core socket, the present application provides a fastening screw 41 that can be screwed into or out of the shaft sleeve on the lower surface of the roller core socket.

[0047] In the description of this specification, the descriptions with reference to terms such as "one embodiment", "example", "specific example", etc. mean that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in a suitable manner in any one or more embodiments or examples.

[0048] The above embodiments are only for illustrating the technical concept and features of the present invention, and their purpose is to enable those skilled in the art to understand the content of the present invention and implement it accordingly. It should not be used to limit the protection scope of the present invention. Any equivalent transformation or modification made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims

1. An uninterrupted grinding device, characterized in that: include: A rotating disk, wherein a circular through cavity is formed inside the rotating disk, and a side wall of the circular through cavity is connected to a first rotating driving assembly via a gear rack structure; A plurality of roller core insert sleeves are rotatably inserted on the edge of the turntable and extend downward in a circular array; A lifting platform, the lifting platform is arranged at the bottom of the edge of the turntable, and a second rotary drive assembly is arranged on the lifting platform, and the second rotary drive assembly is sequentially connected with a plurality of roller core sleeves through a concave-convex structure; A sand belt grinding assembly, wherein the sand belt grinding assembly is arranged outside the rotating disk; The telescopic driving platform is installed on the abrasive belt grinding assembly, and an expansion block extending into the abrasive belt grinding assembly for expanding the abrasive belt outward is installed on the telescopic driving platform.

2. The uninterrupted grinding device according to claim 1, characterized in that: It also includes a circular stand, the upper surface of which is provided with a circular guide rail, and the turntable is slidably connected to the circular guide rail.

3. The uninterrupted grinding device according to claim 1, characterized in that: The rack of the gear rack structure is arranged in an annular shape on the side wall of the circular through cavity; The first rotary drive assembly includes a first motor having an output shaft connected to a reducer, the reducer and the first motor are arranged on the table surface of a circular table, and the gear of the rack and pinion structure is installed on the output shaft of the reducer and meshed with the rack on the side wall of the circular cavity.

4. The uninterrupted grinding device according to claim 1, characterized in that: A plurality of bearings are arranged in a ring array inside the edge of the rotating disk, and a plurality of roller core insert sleeves are inserted into the plurality of bearings in sequence and extend downward.

5. The uninterrupted grinding device according to claim 1, characterized in that: The lifting platform is one of a hydraulic lifting platform, a pneumatic lifting platform or an electric lifting platform.

6. The uninterrupted grinding device according to claim 1, characterized in that: The second rotary drive assembly includes a second motor, and the concave-convex structure includes a cross-shaped protrusion and a cross-shaped groove. The cross-shaped protrusion is integrally arranged on the top surface of the output shaft of the second motor, and the cross-shaped groove is opened on the bottom surface of the roller core sleeve.

7. The uninterrupted grinding device according to claim 1, characterized in that: The abrasive belt grinding assembly includes an abrasive belt body, a first pulley, a second pulley and two vertical rods. The first pulley and the second pulley are arranged up and down between the two vertical rods. The first pulley is connected to a third motor on the outer side of a vertical rod. The abrasive belt body is wound around the first pulley and the second pulley.

8. The uninterrupted grinding device according to claim 7, characterized in that: The telescopic drive platform includes a platform body and two linear cylinders. The two linear cylinders are arranged on the side of the two vertical rods away from the turntable. The platform body is connected to the piston rods of the two linear cylinders on the side close to the turntable. The expansion block is fixed on the surface of the platform body close to the turntable.

9. The uninterrupted grinding device according to claim 1, characterized in that: A tightening screw which can be screwed into or out of the shaft sleeve is arranged on the lower surface of the roller core insert sleeve.

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