Grinding carriage main shaft with reinforcing structure

Abstract

The utility model relates to the technical field of grinding wheel balancing stands, in particular to a grinding wheel frame spindle with a reinforcing structure, which comprises a spindle rod, a groove is arranged on the outer side of the spindle rod, the outside of the spindle rod is inserted into a grinding wheel body, a lock pin opening is arranged in the grinding wheel body, and a limit lock pin is movably inserted into the groove. According to the grinding wheel frame main shaft with the reinforcing structure, the surface of the limiting lock pin is inserted into the groove, then the limiting lock pin is clamped into the lock pin opening, when the main shaft rod drives the grinding wheel body, the limiting effect on the grinding wheel body is achieved through the limiting lock pin, the positioning rod is inserted into the positioning hole, and therefore the grinding wheel body can be fixed. When the locking nut is rotated, the pressing disc can be fastened on the surface of the grinding wheel body, so that the grinding wheel body is reinforced to be located outside the main shaft rod, and meanwhile, the grinding wheel body can be conveniently detached from the surface of the main shaft rod to be replaced by rotating the locking nut.

Description

Technical Field

[0001] This utility model relates to the field of grinding wheel balancing frame technology, specifically a grinding wheel frame spindle with a reinforced structure. Background Technology

[0002] A grinding wheel balancer is an essential accessory for grinding machines. It allows for the static balancing of the grinding wheel, ensuring its proper use. When combined with a level, it can also be used to check the static balance of precision workpieces.

[0003] First, the existing support structure of grinding wheel balancing frames is often not stable enough, which may cause unnecessary vibration when the grinding wheel rotates at high speed, thus affecting the grinding of the workpiece and potentially damaging the equipment and the workpiece. Second, existing designs are usually difficult to adapt to grinding wheel spindles of different lengths, which limits the applicability of grinding wheel balancing frames. Therefore, it is necessary to strengthen the tightness between the grinding wheel frame spindle and the grinding wheel mounting, and reduce the vibration of the grinding wheel rotating at high speed by firmly installing the grinding wheel and the grinding wheel frame spindle.

[0004] Therefore, this utility model proposes a grinding wheel frame spindle with a reinforced structure. Utility Model Content

[0005] The purpose of this invention is to provide a grinding wheel head spindle with a reinforced structure to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a grinding wheel frame spindle with a reinforced structure, a support frame fixedly connected to the top surface of the worktable, a motor fixedly connected to the top surface of the support frame, and the end face of the spindle rod fixed to the output shaft end of the motor, comprising:

[0007] The main spindle has a groove on its outer side and is inserted into the grinding wheel body. The grinding wheel body has a locking pin opening inside, and a limit locking pin is movably inserted into the groove and engaged in the locking pin opening. The side of the grinding wheel body has a positioning hole, and a positioning rod is movably inserted into the positioning hole. The end face of the positioning rod is integrally set on the inner side of the pressure plate, and the pressure plate is sleeved on the outside of the main spindle. An integral screw is set on the end face of the main spindle, and the outside of the screw is screwed into a locking nut. The inner side of the locking nut is in close contact with the outer side of the pressure plate.

[0008] Preferably, the locking pin opening completely extends through the side of the grinding wheel body, and the width of the locking pin opening is equal to the width of the limiting locking pin.

[0009] Preferably, the radius of the positioning hole is equal to the cross-sectional radius of the positioning rod, and the positioning rod is configured in six groups, with the six groups of positioning rods arranged in a circular array along the central axis of the pressure plate.

[0010] Preferably, the support frame has an "L" shaped cross-section, and a bearing ring is movably fitted inside the side plate of the support frame. The inner ring of the bearing ring is movably fitted outside the main shaft, and the outer part of the main shaft is fitted inside the cover. The cover is fixed to the surface of the side plate of the support frame by fixing screws.

[0011] Preferably, the diameter of the main shaft near the cover is greater than the diameter near the pressure plate, and the cross-section of the main shaft is stepped.

[0012] Preferably, the cover is configured in two sets, and the two sets of covers are symmetrical about the central axis of the side plate of the support frame.

[0013] Compared with the prior art, the beneficial effects of this utility model are as follows: by inserting the surface of the limiting locking pin into the groove and then engaging the limiting locking pin in the locking pin hole, when the spindle drives the grinding wheel body, the limiting locking pin achieves a limiting effect on the grinding wheel body. By inserting the positioning rod into the positioning hole, the pressure plate is positioned and installed on the outer side of the grinding wheel body. When the knob lock nut is tightened, the pressure plate can be fastened to the surface of the grinding wheel body, thus strengthening the grinding wheel body on the outside of the spindle. At the same time, tightening the knob lock nut makes it easy to remove the grinding wheel body from the surface of the spindle for replacement. Attached Figure Description

[0014] Figure 1 This is a three-dimensional schematic diagram of the overall structure of this utility model;

[0015] Figure 2 This is a schematic diagram showing the connection between the support frame and the grinding wheel body;

[0016] Figure 3 This is a schematic cross-sectional view of the support frame and the grinding wheel body;

[0017] Figure 4 A schematic diagram showing the connection between the main spindle and the grinding wheel body;

[0018] Figure 5 This is a schematic diagram showing the connection between the main spindle and the pressure plate.

[0019] In the diagram: 1. Workbench; 2. Support frame; 3. Motor; 4. Spindle; 5. Grinding wheel body; 6. Cover; 7. Fixing screw; 8. Bearing ring; 9. Limiting pin; 10. Locking pin opening; 11. Groove; 12. Positioning hole; 13. Positioning rod; 14. Pressure plate; 15. Screw; 16. Locking nut. Detailed Implementation

[0020] To make the objectives, technical solutions, and advantages of this utility model clear and complete, the embodiments of this utility model will be further described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are only some, not all, embodiments of this utility model, and are merely used to explain the embodiments of this utility model. They are not intended to limit the embodiments of this utility model. All other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0021] Example 1, please refer to Figures 1-5 This utility model provides two technical solutions: a grinding wheel frame spindle with a reinforced structure, wherein a support frame 2 is fixedly connected to the top surface of the worktable 1, a motor 3 is fixedly connected to the top surface of the support frame 2, and the end face of the spindle rod 4 is fixed to the end of the output shaft of the motor 3, comprising:

[0022] The spindle 4 has a groove 11 on its outer side and is inserted into the grinding wheel body 5. The grinding wheel body 5 has a locking pin opening 10 inside and a limiting locking pin 9 is movably inserted into the groove 11. The limiting locking pin 9 is engaged in the locking pin opening 10. The side of the grinding wheel body 5 has a positioning hole 12 and a positioning rod 13 is movably inserted into the positioning hole 12. The end face of the positioning rod 13 is integrally set on the inner side of the pressure plate 14. The pressure plate 14 is sleeved on the outside of the spindle 4. The end face of the spindle 4 is provided with an integral screw 15. The outside of the screw 15 is screwed into the locking nut 16. The inner side of the locking nut 16 is in close contact with the outer side of the pressure plate 14.

[0023] The main spindle 4 can be rotated by starting the motor 3. The surface of the limiting locking pin 9 is inserted into the groove 11 and then the limiting locking pin 9 is engaged in the locking pin port 10. When the main spindle 4 drives the grinding wheel body 5, the limiting locking pin 9 limits the grinding wheel body 5. The positioning rod 13 is inserted into the positioning hole 12, so the pressure plate 14 is positioned and installed on the outer side of the grinding wheel body 5. When the knob lock nut 16 is turned, the pressure plate 14 can be fastened to the surface of the grinding wheel body 5, thus strengthening the grinding wheel body 5 on the outside of the main spindle 4. At the same time, turning the knob lock nut 16 makes it easy to remove the grinding wheel body 5 from the surface of the main spindle 4 for replacement.

[0024] Example 2, see attached document Figures 1 to 5 Based on Embodiment 1, in order to ensure that the main shaft 4 can be stably installed on the side plate of the support frame 2, the cross section of the support frame 2 is in the shape of an "L". The bearing ring 8 is movably sleeved inside the side plate of the support frame 2. The inner ring of the bearing ring 8 is movably sleeved outside the main shaft 4. The outer part of the main shaft 4 is sleeved inside the cover 6. The cover 6 is fixed to the surface of the side plate of the support frame 2 by fixing screws 7.

[0025] By movably fitting the outer ring of the bearing ring 8 inside the side plate of the support frame 2, and then movably fitting the inner ring of the bearing ring 8 outside the spindle 4, the rotational resistance of the spindle 4 inside the side plate of the support frame 2 is reduced. By fitting the cover 6 inside the outside of the spindle 4, and then fixing the cover 6 to the surface of the side plate of the support frame 2 with fixing screws 7, the spindle 4 can be stably installed on the side plate of the support frame 2, so as to ensure the stability of the grinding wheel body 5 rotating on the surface of the side plate of the support frame 2.

[0026] In actual use, the main spindle 4 can rotate by starting the motor 3. The surface of the limiting locking pin 9 is inserted into the groove 11, and then the limiting locking pin 9 is engaged in the locking pin opening 10. When the main spindle 4 drives the grinding wheel body 5, the limiting locking pin 9 limits the grinding wheel body 5. The positioning rod 13 is inserted into the positioning hole 12, thus positioning the pressure plate 14 on the outer side of the grinding wheel body 5. When the knob lock nut 16 is tightened, the pressure plate 14 is securely fixed to the surface of the grinding wheel body 5, thus strengthening the outer surface of the grinding wheel body 5 on the main spindle 4. Simultaneously, the knob lock... The tightening nut 16 facilitates the removal and replacement of the grinding wheel body 5 from the surface of the spindle 4. By movably fitting the outer ring of the bearing ring 8 inside the side plate of the support frame 2, and then movably fitting the inner ring of the bearing ring 8 outside the spindle 4, the rotational resistance of the spindle 4 inside the side plate of the support frame 2 is reduced. By fitting the cover 6 inside the outside of the spindle 4, and then fixing the cover 6 to the surface of the side plate of the support frame 2 with the fixing screw 7, the spindle 4 can be stably installed on the side plate of the support frame 2, thus ensuring the stability of the grinding wheel body 5 rotating on the surface of the side plate of the support frame 2.

[0027] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A grinding wheel frame spindle with a reinforcing structure, the top surface of a workbench (1) is fixedly connected with a support frame (2), the top surface of the support frame (2) is fixedly connected with a motor (3), the output shaft end of the motor (3) is fixed with the end surface of a spindle rod (4), characterized in that, Include: The main shaft rod (4) is provided with a groove (11) on the outer side, the outer part of the main shaft rod (4) is inserted into the grinding wheel body (5), the inner part of the grinding wheel body (5) is provided with a locking pin opening (10), the groove (11) is movably inserted with a limiting locking pin (9), the limiting locking pin (9) is clamped in the locking pin opening (10), the side surface of the grinding wheel body (5) is provided with a positioning hole (12), the positioning hole (12) is movably inserted with a positioning rod (13), the end surface of the positioning rod (13) is integrally arranged on the inner side surface of the pressure plate (14), the pressure plate (14) is sleeved on the outer part of the main shaft rod (4), the end surface of the main shaft rod (4) is provided with an integral screw rod (15), the outer part of the screw rod (15) is screwed into the locking nut (16), and the inner side surface of the locking nut (16) is tightly attached to the outer side surface of the pressure plate (14).

2. The reinforced grinding wheel head spindle of claim 1, wherein: The locking pin opening (10) completely penetrates the side surface of the grinding wheel body (5), and the width of the locking pin opening (10) is equal to the width of the limiting locking pin (9).

3. The reinforced grinding wheel head spindle of claim 1 wherein: The radius of the positioning hole (12) is equal to the cross-sectional radius of the positioning rod (13), the positioning rod (13) is provided in six groups, and the six groups of positioning rods (13) are arranged in an annular array along the central axis of the pressure plate (14).

4. The reinforced grinding wheel head spindle of claim 1 wherein: The cross section of the support frame (2) is in the shape of "L", the inner part of the side plate of the support frame (2) is movably sleeved with a bearing ring (8), the inner ring of the bearing ring (8) is movably sleeved on the outer part of the main shaft rod (4), the outer part of the main shaft rod (4) is sleeved in the cover (6), and the cover (6) is fixed on the surface of the side plate of the support frame (2) through the fixing screw (7).

5. The reinforced grinding wheel head spindle of claim 1 wherein: The diameter of the main shaft rod (4) near the cover (6) is greater than the diameter near the pressure plate (14), and the cross section of the main shaft rod (4) is in the shape of a ladder.

6. The reinforced grinding wheel head spindle of claim 5 wherein: The cover (6) is provided in two groups, and the two groups of covers (6) are symmetric about the central axis of the side plate of the support frame (2).

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