A valve grinding machine
By adopting a multi-directional driving structure and a guide structure in the grinder, irregular movement of the passive grinding body is solved, and the problems of uneven grinding and complex stress of the active grinding body in the existing grinding device are solved, and the grinding quality and equipment stability are improved.
Patent Information
- Application Number
- CN202421494678.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-27
- Publication Date
- 2025-04-11
- Estimated Expiration
- 2034-06-27
AI Technical Summary
The existing grinding devices lack the relative movement of the passive grinding body during the grinding process, resulting in uneven grinding, poor quality, and complex rotational stress of the active grinding body, which is prone to a shaft breakage.
A valve grinder is designed, adopting a multi-directional driving structure and a guide structure. Through the guide rod, cam and guide body, the irregular movement of the passive grinding body is realized, so that the contact area between the active grinding body and the passive grinding body is in a changing state, and the uniformity of the grinding trajectory is realized.
Through irregular movement of the passive grinding body, uniform grinding of the abrasive material is achieved, the grinding quality is improved, and the risk of shaft breakage caused by excessively complex rotational stress of the active grinding body is avoided.
Smart Images
Figure CN222741142U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of grinders, in particular to a valve grinder. Background Art
[0002] In the existing grinding devices, there is no relative movement between the active grinding body and the passive grinding body during the grinding process, which will lead to uneven grinding, poor grinding quality, and even some places are not ground properly, making it difficult to ensure quality. If the active grinding body moves during the grinding process, the force on the grinding shaft will increase, which is prone to shaft breakage. In addition, the force on the active grinding body during rotation is complex and difficult to control. Therefore, a grinding machine that can move the passive grinding body during the grinding process is needed. Utility Model Content
[0003] The embodiment of the utility model provides a valve grinding machine, specifically a grinding machine capable of moving a passive grinding body during the grinding process.
[0004] In order to achieve the above purpose, the embodiment of the utility model provides the following technical solutions:
[0005] A valve grinding machine comprises an active grinding body, a passive grinding body, a multi-directional driving structure for bringing the active grinding body into contact with the passive grinding body, and a guiding structure for guiding the passive grinding body to make irregular movements; wherein the guiding structure comprises a guiding rod arranged on a horizontal side of the passive grinding body, the other end of the guiding rod passes through a rotating table and is connected to a cam.
[0006] Furthermore, a guide body is provided between the passive grinding body and the guide rod, and the guide body is fixedly connected to the passive grinding body.
[0007] Furthermore, the passive grinding body is detachably mounted on the guide body.
[0008] Furthermore, the passive grinding body is provided with convex grooves around it, and the inner wall of the guide body is provided with an L-shaped groove for the convex groove to be embedded in, and the transverse groove of the L-shaped groove is oriented in the same direction as the rotation direction of the active grinding body.
[0009] Furthermore, the contact surface between the guide body and the passive grinding body is a conical surface with a low center and high surroundings.
[0010] Furthermore, the cam is connected to the cam motor via a camshaft.
[0011] Furthermore, the rotating platform is provided with a through hole for the guide rod to pass through, and a rolling structure in contact with the guide rod is provided in the through hole.
[0012] Furthermore, the multi-directional driving structure includes a lifting device, which drives the rotating arm to move up and down. The outer end of the rotating arm is connected to the lifting connecting rod through a rotating shaft. The lifting side of the lifting connecting rod is connected to the grinding driving device. The grinding shaft of the grinding driving device is fixedly connected to the active grinding body.
[0013] Furthermore, the lifting device includes a first rotating shaft and a screw rod which are parallel to each other, a power source is provided at one end of the screw rod, the screw rod passes through a rotating arm and is threadedly connected to the rotating arm, the upper and lower ends of the screw rod are rotatably connected to the first rotating shaft through a rotating body, and the rotating arm is rotatably connected to the first rotating shaft.
[0014] Furthermore, a bidirectional rotating platform is provided at one end of the lifting connecting rod, the bidirectional rotating platform is horizontally rotated and connected to the second rotating shaft, and one side of the bidirectional rotating platform is vertically rotated and connected to the lifting connecting rod.
[0015] The utility model embodiment has the following advantages:
[0016] The utility model provides a valve grinding machine comprising an active grinding body, a passive grinding body, a multi-directional driving structure for bringing the active grinding body into contact with the passive grinding body, and a guiding structure for guiding the passive grinding body to make irregular movements, wherein the multi-directional driving structure can control the grinding end of the active grinding body to fit into or leave the passive grinding body, and when the active grinding body is combined with the passive grinding body, the rotation of the cam drives the other end of the guide rod to make irregular circular motion, so that the passive grinding body makes irregular motion relying on the guiding structure, so that the contact area (grinding track) between the active grinding body and the passive grinding body is always in a changing state, so that the grinding of the object to be ground on the passive grinding body is uniform. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] In order to more clearly illustrate the implementation of the utility model or the technical solution in the prior art, the following is a brief introduction to the drawings required for the implementation or the prior art description. Obviously, the drawings in the following description are only exemplary, and for ordinary technicians in this field, other implementation drawings can be derived from the provided drawings without creative work.
[0018] The structures, proportions, sizes, etc. illustrated in this specification are only used to match the contents disclosed in the specification so as to facilitate understanding and reading by persons familiar with the technology. They are not used to limit the conditions under which the present invention can be implemented, and therefore have no substantial technical significance. Any structural modification, change in proportion or adjustment of size shall still fall within the scope of the technical contents disclosed in the present invention without affecting the effects and purposes that can be achieved by the present invention.
[0019] Figure 1A product diagram of a valve grinding machine provided by an embodiment of the utility model;
[0020] Figure 2 A top view of a guide structure of a valve grinding machine provided in an embodiment of the utility model.
[0021] In the figure:
[0022] 1. Active grinding body; 2. Passive grinding body; 3. Guide rod; 4. Cam; 5. Rotating table; 6. Guide body; 7. Controller; 8. First rotating axis; 9. Screw; 10. Power source; 11. Rotating arm; 12. Second rotating axis; 13. Lifting connecting rod; 14. Bidirectional rotating table; 15. Grinding power device; 16. Grinding axis. DETAILED DESCRIPTION
[0023] The following is a specific embodiment of the present invention. People familiar with the technology can easily understand the other advantages and functions of the present invention from the contents disclosed in this specification. Obviously, the described embodiment is a part of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.
[0024] like Figure 1-2 As shown, a valve grinding machine includes an active grinding body, a passive grinding body 2, a multi-directional driving structure for making the active grinding body contact the passive grinding body 2, and a guiding structure for guiding the passive grinding body 2 to make irregular movements; wherein, the guiding structure includes a guiding rod 3 arranged on the horizontal side of the passive grinding body 2, the guiding rod 3 and the passive grinding body 2 are rotatably connected, the other end of the guiding rod 3 passes through the rotating table 5 and is connected to the cam 4, and the cam 4 is connected to the cam 4 motor through the cam 4 shaft. When used specifically, the multi-directional driving structure can control the grinding end of the active grinding body to fit or leave the passive grinding body 2. When the active grinding body is combined with the passive grinding body 2, the rotation of the cam drives the other end of the guiding rod to make irregular circular motion, so that the passive grinding body 2 can make irregular movements relying on the guiding structure, so that the contact area (grinding track) between the active grinding body and the passive grinding body 2 is always in a changing state, so that the grinding of the object to be ground on the passive grinding body 2 is uniform.
[0025] The rotating platform 5 is provided with a through hole for the guide rod 3 to pass through, and the rotating platform 5 itself can be provided with a through hole, or a structure with a through hole is installed on the rotating platform 5. In order to reduce the friction force on the conductor rod in the through hole, a rolling structure in contact with the guide rod 3 is provided in the through hole, or lubricating oil is filled in the through hole.
[0026] A guide body 6 is provided between the passive grinding body 2 and the guide rod 3. The guide body 6 is fixedly connected to the passive grinding body 2. Since the passive grinding body 2 in the present technology is a grinding disc structure, the guide body 6 is a disc-mounted structure. The guide body 6 is used to carry the passive grinding disc. The four sides of the guide body 6 can be higher than the passive grinding disc to prevent the leakage of grinding sand. Moreover, the material of the guide body 6 can be used to form a material with low cost relative to the passive grinding body 2, which is used to reduce the manufacturing cost. The guide rod 3 and the guide body 6 are rotatably connected. In this embodiment, a connecting head is provided on one side of the guide body 6, and a shaft perpendicular to its rotation plane is provided on the connecting head. The guide rod 3 connects the shaft to form a rotatable connection structure between the two. A plurality of balls can be provided at the bottom of the guide body 6 to facilitate the movement of the guide body 6.
[0027] In order to meet the needs of different grinding processes, the passive grinding body 2 is detachably mounted on the guide body 6, and the passive grinding body 2 with different shapes of embedded grooves or different materials can be replaced to meet the fixing needs of objects to be ground of different shapes and sizes, and it is convenient to clean the grinding sand. The passive grinding body 2 can be detachably connected to the guide by fastening bolts, threaded connections, etc., and in the present technology, it is preferred that the passive grinding body 2 is provided with convex grooves around, and the inner wall of the guide body 6 is provided with an L-shaped groove for the convex groove to be embedded, and the transverse groove of the L-shaped groove is in the same direction as the rotation direction of the active grinding body. This method does not add new parts, and is simple to process and disassemble. Since the rotation direction of the active grinding body is the same as the installation direction of the passive grinding body 2, the active grinding body will not be separated from the wire body due to friction during the rotation grinding process, but will further strengthen the connection structure between the passive grinding body 2 and the wire body. The contact surface of the guide body 6 and the passive grinding body 2 is a conical surface with a low center and high surroundings, which is convenient for removing the passive grinding body 2. The grinding sand gathers in the middle of the guide body 6 due to the inclined surface, so that it is easy to clean.
[0028] The multi-directional drive structure includes a lifting device, which drives the rotating arm 11 to move up and down. Specifically, the lifting device includes a first rotating shaft 8 and a screw 9 which are parallel to each other, and the first rotating shaft 8 and the screw are perpendicular to the passive grinding body 2. One end of the screw 9 is provided with a power source 10 such as a handwheel or a motor for driving the screw 9 to rotate. The screw 9 passes through the rotating arm 11 and is threadedly connected to the rotating arm 11. The upper and lower ends of the screw 9 are rotatably connected to the first rotating shaft 8 through a rotating body, and the rotating arm 11 is rotatably connected to the first rotating shaft 8. The power source 10 can drive the screw 9 to rotate, and the screw 9 drives the rotating arm 11 to move up and down. One end of the rotating arm 11 is connected to the first rotating shaft 8. This structure is connected to the rotating arm 11 through the first rotating shaft 8 and the screw 9, forming a two-point support structure. Since the rotating arm 11 is horizontally arranged and located in the middle of the overall device, a controller 7 can be arranged on the rotating arm 11, and the controller 7 is a touch screen. This design makes the wiring of the entire device shortest.
[0029] The outer end of the rotating arm 11 is connected to the lifting link 13 through the second rotating shaft 12. The lifting link 13 and the second rotating shaft 12 can rotate horizontally. The lifting side of the lifting link 13 is connected to the grinding drive device. The grinding shaft 16 of the grinding drive device is fixedly connected to the active grinding body. The lifting link 13 can rotate vertically to drive the active grinding body to perform arc-shaped lifting and lowering movements. A two-way rotating table 14 is provided at one end of the lifting link 13. The two-way rotating table 14 is horizontally rotated and connected to the second rotating shaft 12. One side of the two-way rotating table 14 is vertically rotated and connected to the lifting link 13. A buffer gas spring is provided on the lifting link 13 to relieve the lifting force of the lifting link 13, making its control more precise and increasing safety.
[0030] Although the utility model has been described in detail above with general descriptions and specific embodiments, it is obvious to those skilled in the art that some modifications or improvements can be made to the utility model. Therefore, these modifications or improvements made without departing from the spirit of the utility model are within the scope of protection claimed by the utility model.
Claims
1. A valve grinding machine, characterized in that: It includes an active grinding body, a passive grinding body, a multi-directional driving structure for bringing the active grinding body into contact with the passive grinding body, and a guiding structure for guiding the passive grinding body to make irregular movements; Wherein, the guide structure comprises a guide rod arranged on a horizontal side of the passive grinding body, and the other end of the guide rod passes through the rotating table and is connected to a cam.
2. The valve grinding machine according to claim 1, characterized in that: A guide body is provided between the passive grinding body and the guide rod, and the guide body is fixedly connected to the passive grinding body.
3. The valve grinding machine according to claim 2, characterized in that: The passive grinding body is detachably mounted on the guide body.
4. The valve grinding machine according to claim 3, characterized in that: The passive grinding body is provided with convex grooves around it, and the inner wall of the guide body is provided with an L-shaped groove for the convex groove to be embedded in, and the transverse groove of the L-shaped groove is oriented in the same direction as the rotation direction of the active grinding body.
5. The valve grinding machine according to any one of claims 2 to 4, characterized in that: The contact surface between the guide body and the passive grinding body is a conical surface with a low center and high surroundings.
6. The valve grinding machine according to claim 1, characterized in that: The cam is connected to a cam motor via a cam shaft.
7. The valve grinding machine according to claim 1, characterized in that: The rotating platform is provided with a through hole for the guide rod to pass through, and a rolling structure in contact with the guide rod is provided in the through hole.
8. The valve grinding machine according to claim 1, characterized in that: The multi-directional driving structure includes a lifting device, which drives the rotating arm to move up and down. The outer end of the rotating arm is connected to the lifting connecting rod through a rotating shaft. The lifting side of the lifting connecting rod is connected to the grinding driving device. The grinding shaft of the grinding driving device is fixedly connected to the active grinding body.
9. The valve grinding machine according to claim 8, characterized in that: The lifting device includes a first rotating shaft and a screw rod which are parallel to each other. A power source is provided at one end of the screw rod. The screw rod passes through a rotating arm and is threadedly connected to the rotating arm. The upper and lower ends of the screw rod are rotatably connected to the first rotating shaft through a rotating body. The rotating arm is rotatably connected to the first rotating shaft.
10. The valve grinding machine according to claim 8, characterized in that: One end of the lifting connecting rod is provided with a bidirectional rotating platform, the bidirectional rotating platform is horizontally rotated and connected to the second rotating shaft, and one side of the bidirectional rotating platform is vertically rotated and connected to the lifting connecting rod.