Pressure rotor structure of high-speed precision grinding machine

By designing a split-type combined shaft structure and synergistic combination components, limited components and locking rings, the problem of one end of the rotor shaft of the high-speed precision grinder is damaged and cannot be disassembled and replaced, and rapid disassembly and replacement is achieved, and equipment maintenance is simplified.

CN119973870APending Publication Date: 2025-05-13WUXI XUANJIAHAO AUTOMATION TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202510279514.3
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-03-10
Publication Date
2025-05-13

AI Technical Summary

Technical Problem

The existing high-speed precision grinder spindle rotor cannot be disassembled and replaced when one end of the rotor shaft is damaged, resulting in cumbersome equipment maintenance.

Method used

A high-speed precision grinder pressure rotor structure is designed, and a first rotating shaft and a second rotating shaft are combined in a split type. The synergistic effect of the combination assembly, the defining assembly and the locking ring is realized to achieve detachable replacement of the second rotating shaft.

Benefits of technology

It realizes rapid disassembly and replacement of damaged parts at one end of the rotor shaft, simplifies the equipment maintenance process and improves the maintenance efficiency of the grinder.

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Abstract

The invention discloses a high-speed precision grinding machine pressure rotor structure which comprises a grinding machine rotor structure, a rotor spindle seat, a first rotating shaft and a second rotating shaft, and the first rotating shaft and the second rotating shaft are combined in a split mode. The combined assembly comprises fixed round blocks fixedly connected with one end of the first rotating shaft and one end of the second rotating shaft, a connecting round block installed between the opposite fixed round blocks, a round rod connected with the connecting round block, a battery box and a detachable battery which are connected in a combined mode, and a permanent magnet electromagnet installed in the connecting round block; the main shaft rotor is provided with a design for dismounting and replacing a damaged part at one end of the rotor shaft, and through the designed second rotating shaft, the first rotating shaft, the combination assembly, the limiting assembly and the locking ring, under the synergistic effect of the second rotating shaft, the first rotating shaft, the combination assembly, the limiting assembly and the locking ring, the effect of fixing the second rotating shaft and the first rotating shaft is achieved; the second rotating shaft and the first rotating shaft are of a split structure, and the second rotating shaft with the damaged end can be detached.
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Description

Technical Field

[0001] The invention belongs to the technical field of high-speed precision grinder rotor accessories, and in particular relates to a high-speed precision grinder pressure rotor structure. Background Art

[0002] High-speed precision grinding machine is a kind of mechanical equipment used for precision grinding processing. It generally adopts CNC system to realize high-speed, precise and accurate control of the grinding process. The grinding machine is equipped with a spindle rotor. The principle of the rotation of the spindle rotor on the grinding machine is that the driving motor of the grinding machine transmits power to the rotor through the transmission device, so that the rotor obtains the energy of rotational motion, drives the grinding wheel to rotate at high speed, and the abrasive grains on the surface of the grinding wheel contact with the surface of the workpiece. Through the cutting and friction of the abrasive grains, the material on the surface of the workpiece is removed to realize the grinding of the workpiece;

[0003] The spindle rotor on the grinding machine generally includes a spindle seat fixedly connected to the grinding machine and a rotor shaft fixed to the grinding wheel. When the grinding wheel is fixed on the spindle rotor on the grinding machine, the grinding wheel at one end of the rotor shaft is fixed, the rotor shaft and the grinding wheel rotate, and the grinding wheel grinds the contacted workpiece. Since the grinding wheel is in contact with the workpiece, the workpiece will generate external force impact on the grinding wheel and the end of the rotor shaft, resulting in cracks, fractures, defects in the material, etc. on the ends of the grinding wheel and the rotor shaft, and the end of the rotor shaft will be damaged. When the rotor shaft generally fails, the spindle rotor installed on the grinding machine needs to be disassembled as a whole, and then the rotor shaft is disassembled. The whole process is relatively cumbersome, and the rotor shaft with one end damaged cannot be disassembled and replaced, which has shortcomings.

[0004] When one end of the rotor shaft on the existing spindle rotor is damaged, there is a problem that the damaged part of the rotor shaft cannot be disassembled and replaced. For this reason, the present application proposes a high-speed precision grinder pressure rotor structure. Summary of the invention

[0005] The object of the present invention is to provide a pressure rotor structure for a high-speed precision grinder to solve the problem in the background art that the damaged portion of one end of the rotor shaft of the spindle rotor cannot be disassembled and replaced.

[0006] To achieve the above object, the present invention provides the following technical solution: a high-speed precision grinding machine pressure rotor structure, comprising

[0007] The grinding machine rotor structure comprises a rotor main shaft seat, a first rotating shaft and a second rotating shaft which are combined in a split manner;

[0008] The combined component includes a fixed round block fixedly connected to one end of the first rotating shaft and the second rotating shaft respectively, a connecting round block installed between the opposite fixed round blocks, a round rod connected to the connecting round block, a battery box and a detachable battery connected in combination, and a permanent magnet electromagnet installed inside the connecting round block;

[0009] A limiting component, including a fixedly connected moving ring and limiting blocks, symmetrically distributed limiting blocks, and a clamping column connected to the limiting blocks;

[0010] A locking ring is sleeved on the outside of the second rotating shaft.

[0011] Preferably, a mounting groove a cooperating with the connecting round block is provided on the fixed round block, and the centers of the first rotating shaft, the second rotating shaft, the fixed round block and the connecting round block are on the same axis.

[0012] Preferably, a limiting groove b cooperating with the limiting block is provided on the outer surface of the fixing circular block.

[0013] Preferably, the orthographic projection of the limiting block is in the shape of an arc, and the arc curve of the outer surface of the limiting block has the same curvature as the arc curve of the outer surface of the moving ring.

[0014] Preferably, a circular hole c for the clamping column to pass through is formed on one end of the limiting block away from the movable ring.

[0015] Preferably, a concave slot cooperating with the clamping column is provided on the outer surface of one end of the second rotating shaft.

[0016] Preferably, the limit block is in the shape of a semicircular three-dimensional ring, an outer surface of the limit block is provided with an external thread, and the locking ring is screwed and connected to the limit block via a thread.

[0017] Preferably, a sealing cover is connected to the surface of the battery box on one side away from the round rod via a hinge, and a locking screw that is screwed and fixed to the battery box via a thread penetrates through one side of the sealing cover, and the detachable battery is electrically connected to the permanent magnet electromagnet.

[0018] Compared with the prior art, the present invention has the following beneficial effects:

[0019] In the present invention, the main shaft rotor is designed to disassemble and replace the damaged part of one end of the rotor shaft. Through the designed second rotating shaft and the first rotating shaft, the combination component, the limiting component and the locking ring, the effect of fixing the second rotating shaft and the first rotating shaft is achieved under the coordinated action of the above-mentioned second rotating shaft and the first rotating shaft, the combination component, the limiting component and the locking ring. The second rotating shaft and the first rotating shaft are a split structure, and the second rotating shaft with a damaged end can be disassembled. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a structural schematic diagram of the present invention;

[0021] Figure 2 It is a schematic diagram of the main structure of the fixed round block and the connecting round block of the present invention;

[0022] Figure 3 is a schematic diagram of the three-dimensional structure of the second rotating shaft of the present invention;

[0023] Figure 4 It is a side view structural schematic diagram of the fixed round block of the present invention;

[0024] Figure 5 It is a side view structural schematic diagram of the moving ring of the present invention;

[0025] Figure 6 It is a schematic cross-sectional structural diagram of the limit block of the present invention;

[0026] Figure 7 It is a side view structural schematic diagram of the connecting round block of the present invention;

[0027] In the figure: 1. rotor main shaft seat; 5. locking ring; 21. first rotating shaft; 22. second rotating shaft; 31. fixed round block; 32. connecting round block; 33. round rod; 34. battery box; 35. removable battery; 36. permanent magnet electromagnet; 41. moving ring; 42. limiting block; 43. limiting block; 44. clamping column; 221. clamping slot; 341. sealing cover; 342. locking screw. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments 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.

[0029] See also Figures 1 to 7The present invention provides a technical solution: a high-speed precision grinding machine pressure rotor structure, including a grinding machine rotor structure, the use principle of the grinding machine rotor is the existing technology, and this application will not be described in detail, including a rotor spindle seat 1, a first rotating shaft 21 and a second rotating shaft 22 combined in a split manner, a grinding wheel A is fixed at the end of the second rotating shaft 22, the first rotating shaft 21 and the second rotating shaft 22 are a combined structure, when the grinding wheel A contacts the workpiece, under the impact of the workpiece, when the second rotating shaft 22 is damaged, the second rotating shaft 22 can be disassembled and replaced; the combined component includes A fixed round block 31 fixedly connected to one end of the first rotating shaft 21 and the second rotating shaft 22, respectively, a connecting round block 32 installed between the opposite fixed round blocks 31, a round rod 33 connected to the connecting round block 32, a battery box 34 and a detachable battery 35 connected in combination, and a permanent magnet electromagnet 36 installed inside the connecting round block 32. When the second rotating shaft 22 is assembled with the first rotating shaft 21, the second rotating shaft 22 and the first rotating shaft 21 are respectively cast as one piece with the corresponding fixed round block 31. The fixed round block 31 is made of magnetic material. The connecting round block 32 is installed At the position between the opposing fixed round blocks 31, the connecting round block 32 is embedded in the interior of the fixed round block 31, the permanent magnet electromagnet 36 is in contact with the inner surface of the fixed round block 31, and the detachable battery 35 provides power. When the permanent magnet electromagnet 36 is charged and generates magnetism, the permanent magnet electromagnet 36 and the fixed round block 31 are firmly fixed by magnetism, so that the second rotating shaft 22 and the first rotating shaft 21 are assembled and fixed; the limiting component includes a fixedly connected moving ring 41 and a limiting block 42, symmetrically distributed limiting blocks 43, and a clamping column 44 connected to the limiting block 43. 41 is slidably sleeved on the outside of the first rotating shaft 21, the movable ring 41 moves, the limiting block 42 penetrates the fixed circular block 31, the fixed circular block 31 and the limiting block 42 are limited, the limiting block 43 is fitted with one end of the limiting block 42, and the clamping column 44 penetrates one end of the limiting block 42 and is embedded in the inside of the second rotating shaft 22, so as to achieve the effect of fixing the second rotating shaft 22; the locking ring 5 is sleeved on the outside of the second rotating shaft 22, the locking ring 5 rotates, and the locking ring 5 locks the symmetrically distributed limiting blocks 43, so that the limiting blocks 43, the clamping column 44 and the second rotating shaft 22 remain stable.

[0030] In this embodiment, a mounting groove a that cooperates with the connecting block 32 is provided on the fixed block 31, and the centers of the first rotating shaft 21, the second rotating shaft 22, the fixed block 31 and the connecting block 32 are on the same axis. When the fixed block 31 and the connecting block 32 are assembled, the connecting block 32 is embedded in the interior of the fixed block 31.

[0031] In this embodiment, a limiting groove b cooperating with the limiting block 42 is opened on the outer surface of the fixed circular block 31. The limiting block 42 passes through the limiting groove b to achieve the effect of limiting the fixed circular block 31, so that the fixed circular block 31 and the connecting circular block 32 can be installed accurately.

[0032] In this embodiment, the positive projection of the limiting block 42 is an arc shape, the arc curve of the outer surface of the limiting block 42 has the same curvature as the arc curve of the outer surface of the moving ring 41, and the outer diameter of the limiting block 42 is the same as the outer diameter of the moving ring 41.

[0033] In this embodiment, a circular hole c for the clamping column 44 to pass through is provided on the end of the limiting block 42 away from the movable ring 41, and a concave clamping groove 221 cooperating with the clamping column 44 is provided on the outer surface of one end of the second rotating shaft 22. The limiting block 43 is in the three-dimensional shape of a semi-circular ring, and an external thread is provided on the outer surface of the limiting block 43. The locking ring 5 is connected to the limiting block 43 by screwing, and the limiting block 43 is fitted with one end of the limiting block 42. The clamping column 44 passes through one end of the limiting block 42 and is embedded in the interior of the second rotating shaft 22. The locking ring 5 rotates, and the locking ring 5 locks the symmetrically distributed limiting blocks 43, so that the limiting blocks 43, the clamping columns 44 and the second rotating shaft 22 remain stable.

[0034] In this embodiment, a sealing cover 341 is connected to the surface of the battery box 34 on one side away from the round rod 33 through a hinge, and a locking screw 342 is passed through one side of the sealing cover 341 and is fixed to the battery box 34 by threading. The removable battery 35 is electrically connected to the permanent magnet electromagnet 36. The removable battery 35 and the battery box 34 are a combined structure, and the removable battery 35 can be removed and installed to facilitate charging of the removable removable battery 35. A control switch button is installed on the battery box 34 to control the opening of the permanent magnet electromagnet 36.

[0035] The working principle and use process of the present invention:

[0036] When the second rotating shaft 22 with the grinding wheel A installed is assembled with the first rotating shaft 21 on the rotor spindle seat 1,

[0037] The fixed round blocks 31 on the first rotating shaft 21 and the second rotating shaft 22 are opposed to each other, and the connecting round block 32 is installed between the opposed fixed round blocks 31. The connecting round block 32 is embedded in the fixed round block 31, and the permanent magnet electromagnet 36 is in contact with the inner surface of the fixed round block 31;

[0038] When the permanent magnet electromagnet 36 is in the on state, the permanent magnet electromagnet 36 and the fixed round block 31 are firmly fixed by magnetism, so that the second rotating shaft 22 and the first rotating shaft 21 are assembled and fixed;

[0039] Then the moving ring 41 is moved, and the limiting block 42 penetrates the fixed circular block 31, so that the fixed circular block 31 and the limiting block 42 are limited;

[0040] The limit block 43 is fitted with one end of the limiting block 42, and the clamping column 44 penetrates one end of the limiting block 42 and is embedded in the second rotating shaft 22 to achieve the effect of fixing the second rotating shaft 22;

[0041] The locking ring 5 rotates, and the locking ring 5 locks the symmetrically distributed limit blocks 43, so that the limit blocks 43 and the clamping columns 44 and the second rotating shaft 22 remain stable;

[0042] To sum up: the spindle rotor is designed to disassemble and replace the damaged part of one end of the rotor shaft. Through the designed second rotating shaft 22 and the first rotating shaft 21, the combination component, the limiting component and the locking ring 5, under the coordinated action of the above-mentioned second rotating shaft 22 and the first rotating shaft 21, the combination component, the limiting component and the locking ring 5, the effect of fixing the second rotating shaft 22 and the first rotating shaft 21 is achieved. The second rotating shaft 22 and the first rotating shaft 21 are a split structure, and the second rotating shaft 22 with a damaged end can be disassembled.

[0043] Although embodiments of the present invention have been shown and described (see the above detailed description for details), it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A high-speed precision grinding machine pressure rotor structure, characterized in that: include A grinding machine rotor structure comprises a rotor main shaft seat (1), a first rotating shaft (21) and a second rotating shaft (22) which are combined in a split manner; The combined component comprises a fixed round block (31) fixedly connected to one end of the first rotating shaft (21) and the second rotating shaft (22), a connecting round block (32) installed between the opposite fixed round blocks (31), a round rod (33) connected to the connecting round block (32), a battery box (34) and a detachable battery (35) connected in combination, and a permanent magnet electromagnet (36) installed inside the connecting round block (32); A limiting component comprises a fixedly connected moving ring (41) and a limiting block (42), symmetrically distributed limiting blocks (43), and a clamping column (44) connected to the limiting blocks (43); A locking ring (5) is sleeved on the outside of the second rotating shaft (22).

2. A high-speed precision grinding machine pressure rotor structure according to claim 1, characterized in that: The fixed circular block (31) is provided with a mounting groove a which matches with the connecting circular block (32); the centers of the first rotating shaft (21), the second rotating shaft (22), the fixed circular block (31) and the connecting circular block (32) are located on the same axis.

3. The pressure rotor structure of a high-speed precision grinder according to claim 1, characterized in that: A limiting groove b cooperating with the limiting block (42) is provided on the outer surface of the fixing round block (31).

4. The pressure rotor structure of a high-speed precision grinder according to claim 1, characterized in that: The orthographic projection of the limiting block (42) is in the shape of an arc, and the arc curve of the outer surface of the limiting block (42) has the same curvature as the arc curve of the outer surface of the moving ring (41).

5. The pressure rotor structure of a high-speed precision grinder according to claim 1, characterized in that: A circular hole c for the clamping column (44) to pass through is formed on one end of the limiting block (42) away from the moving ring (41).

6. The pressure rotor structure of a high-speed precision grinder according to claim 1, characterized in that: An outer surface of one end of the second rotating shaft (22) is provided with an inwardly concave clamping groove (221) that cooperates with the clamping column (44).

7. The pressure rotor structure of a high-speed precision grinder according to claim 1, characterized in that: The limiting block (43) is in the shape of a semicircular three-dimensional ring. The outer surface of the limiting block (43) is provided with an external thread. The locking ring (5) is screwed and connected to the limiting block (43) via a thread.

8. The pressure rotor structure of a high-speed precision grinder according to claim 1, characterized in that: A sealing cover (341) is connected to the surface of the battery box (34) on one side facing away from the round rod (33) via a hinge, and a locking screw (342) is passed through one side of the sealing cover (341) and is screwed and fixed to the battery box (34) via a thread. The detachable battery (35) is electrically connected to the permanent magnet electromagnet (36).