Transmission device for polishing device

Abstract

To disclose a transmission device for a polishing device related to the technical field of the polishing device.SOLUTION: In a transmission device for a polishing device, an output end of a motor is provided with a cross column that is the same as that at a top of a connecting shaft rod, and the cross column at the output end of the motor is inserted into a first connection port A, which drives a shaft tube to rotate. A rubber ring A embedded in the first connection port A is capable of reducing vibration and noise caused by the rotation. Similarly, the shaft tube is detachably connected to the connecting shaft rod through a second connection port B and a rubber ring B, and the rubber ring B is also capable of reducing the noise and vibration caused by the rotation of the shaft tube.SELECTED DRAWING: Figure 5

Description

[Technical Field]

[0001] The present invention relates to the technical field of grinding machines, and particularly to the transmission device of grinding machines. [Background technology]

[0002] People generally use an art nail polishing pen to polish the art nails on their fingers. The art nail polishing pen has a conical pen head and a motor. The motor drives the pen head to rotate around its axis, and the side of the pen head rubs against the nail surface of the art nail to polish the nail surface.

[0003] The conventional transmission shaft is a single shaft rod, and the shaft rod and the grinding head are removably attached. However, the rotating shaft rod generates a certain amount of noise and also generates a certain amount of vibration. When the grinding head comes into contact with the nail cover, the vibration increases, and the generated noise also increases. This causes the conventional transmission shaft to vibrate, indirectly damaging the nail cover. Summary of the Invention [Problem to be solved by the invention]

[0004] In view of the shortcomings of the prior art, the present invention provides a transmission device for a grinding machine, which has the advantages of reducing vibration and noise, and solves the above problems. [Means for solving the problem]

[0005] In order to achieve the above-mentioned purpose of reducing vibration and noise, the present invention provides the following technical solution: a transmission device for a grinding machine, comprising a shaft tube, a connecting shaft rod, a spring, a bearing assembly and a tubular grip, wherein the shaft tube is fitted onto one end of the connecting shaft rod, the spring is fitted onto the outside of the connecting shaft rod, the tubular grip is inserted into the bearing assembly, one end of the tubular grip is fixedly connected to the other end of the connecting shaft rod, and the other end of the tubular grip extends from the bearing assembly.

[0006] A first connection port A is opened at the tip of the axial tube, a second connection port B is opened at the bottom end of the axial tube, an axial hole is opened between the first connection port A and the second connection port B, a rubber ring A is fitted on the inner wall of the first connection port A, and a rubber ring B is fitted on the inner wall of the second connection port B.

[0007] The bearing assembly includes a casing, a casing cover screwed onto the top of the casing, an axial rod cover inserted between the casing and the casing cover, roll shafts A and B fitted onto the outside of the axial rod cover, a limiting sleeve fitted onto the outside of the axial rod cover, a thrust ring fixedly attached to one side of roll shaft B on the axial rod cover, one end of the thrust ring positioned inside the casing, and the other end of the thrust ring extending outward from the casing through the casing.

[0008] Preferably, a limiting plate is fixedly attached to the outside of the connecting shaft rod, the spring is located below the limiting plate, a male thread groove is formed on the outer surface of the bottom end of the connecting shaft rod, a cross pillar is fixedly attached to the top of the connecting shaft rod, a convex ring is fixedly attached to the outer surface of the cross pillar, and the cross pillar is inserted into the second connecting port B and extends to the inside of the shaft hole.

[0009] Preferably, the tubular grip includes a clamping tube, the front end of which forms a boss tube, the clamping tube having a plurality of slit grooves formed along its length, the plurality of slit grooves extending to and passing through the boss tube, and the clamping tube for mounting a grinding rod.

[0010] Preferably, the axial rod cover is a tubular structure with both ends penetrating each other, the tubular grip passes through the axial rod cover and is connected to the axial rod cover so as to be slidable back and forth, and one end of the tubular grip is butt-connected to the connecting axial rod.

[0011] Preferably, the shaft rod cover is fitted onto the outside of the clamping tube, the top of the shaft rod cover abuts against the bottom end of the spring, and the bottom end of the shaft rod cover penetrates and extends to the outside of the casing.

[0012] Preferably, the outer rings of the roll shaft A and the roll shaft B are fixedly connected to a casing, the inner rings of the roll shaft A and the roll shaft B are fixedly connected to an outer surface of a shaft rod cover, and the outer rings of the roll shaft A and the roll shaft B are fixedly connected to each other by a limiting sleeve.

[0013] Preferably, the top of the shaft tube is removably attached to the output end of the motor by a first connection port A and a rubber ring A.

[0014] Preferably, the bottom end of the axial tube is removably attached to the cross pillar at the top of the connecting axial rod by a second connecting port B and a rubber ring B.

[0015] Preferably, a conical surface is provided at the opening of the bottom end of the shaft rod cover, and the conical surface is adapted to fit with the boss pipe and is used for extrusion fixing to the boss pipe.

[0016] Preferably, the bearing assembly further includes at least two O-shaped rubber rings embedded in the casing and casing cover. [Effects of the Invention]

[0017] Compared with the prior art, the present invention provides a transmission device for a grinding machine, which has the following beneficial effects: First, in the transmission device of the grinding machine, a cross pillar similar to the top of the connecting shaft rod is provided at the output end of the motor, and when the cross pillar at the output end of the motor is inserted into the first connecting port A, the shaft tube can be driven to rotate, and when a rubber ring A is fitted into the first connecting port A, the vibration and noise caused by rotation can be reduced. Similarly, the shaft tube is detachably attached to the connecting shaft rod by the second connecting port B and the rubber ring B, and the presence of the rubber ring B can also reduce the vibration and noise caused by the rotation of the shaft tube.

[0018] Secondly, in the transmission device of the grinding machine, the shaft rod cover rotates relative to the casing by the roll shaft A and the roll shaft B, and the roll shaft A and the roll shaft B are connected by a limiting sleeve, which improves the stability of the roll shaft A and the roll shaft B and indirectly ensures the stability of the rotation of the shaft rod cover. [Brief explanation of the drawings]

[0019] [Figure 1] FIG. 1 is a schematic diagram of the three-dimensional structure according to the present invention. [Figure 2] FIG. 2 is a schematic diagram of an exploded three-dimensional structure according to the present invention. [Figure 3] FIG. 3 is a schematic diagram of the three-dimensional structure of the connecting rod and the tubular grip according to the present invention. [Figure 4] FIG. 4 is a schematic plan view of the structure according to the present invention. [Figure 5] FIG. 5 is a schematic diagram showing the AA cleavage structure in FIG. 4 according to the present invention. [Figure 6] FIG. 6 is a structural schematic diagram of the shaft tube according to the present invention. [Figure 7] FIG. 7 is a schematic diagram showing a state in which a polishing rod is attached to a tubular grip according to the present invention. DETAILED DESCRIPTION OF THE INVENTION

[0020] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the drawings of the embodiments of the present invention, and of course, the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, any other embodiments that a person skilled in the art can obtain without inventive efforts fall within the scope of protection of the present invention.

[0021] 1 to 7, the transmission device of a grinding machine comprises an axial tube 1, a connecting axial rod 2, a spring 3, a bearing assembly 4 and a tubular grip 5, wherein the axial tube 1 is fitted onto one end of the connecting axial rod 2, the spring 3 is fitted onto the outside of the connecting axial rod 2, the tubular grip 5 is inserted into the bearing assembly 4, one end of the tubular grip 5 is fixedly connected to the other end of the connecting axial rod 2, and the other end of the tubular grip 5 extends from the bearing assembly 4.

[0022] 1 to 7, a first connection port A111 is provided at the tip of the shaft tube 1, a second connection port B112 is provided at the bottom end of the shaft tube 1, and a shaft hole 11 is provided between the first connection port A111 and the second connection port B112. A rubber ring A12 is fitted into the inner wall of the first connection port A111, and the top of the shaft tube 1 is removably attached to the output end of the motor via the first connection port A111 and the rubber ring A12. The presence of the rubber ring A12 can reduce noise and vibration. A rubber ring B13 is fitted into the inner wall of the second connection port B112, and the bottom end of the shaft tube 1 is removably attached to the cross pillar at the top of the connecting shaft rod 2 via the second connection port B112 and the rubber ring B13. The presence of the rubber ring B13 can reduce noise and vibration caused by the rotation of the shaft tube 1.

[0023] 1 to 7, the bearing assembly 4 includes a casing 41, a casing cover 42 is screwed to the top of the casing 41, an axial rod cover 43 is inserted and attached between the casing 41 and the casing cover 42, the top of the axial rod cover 43 abuts against the bottom end of the spring 3, and the bottom end of the axial rod cover 43 penetrates and extends to the outside of the casing 41.

[0024] 1 to 7, the roll shafts A44 and B45 are fitted to the outside of the shaft rod cover 43, the outer rings of the roll shafts A44 and B45 are fixedly connected to the casing 41, the inner rings of the roll shafts A44 and B45 are fixedly connected to the outer surface of the shaft rod cover 43, a limiting sleeve 46 is fitted to the outside of the shaft rod cover 43, and the outer rings of the roll shafts A44 and B45 are fixedly connected to each other by the limiting sleeve 46. By connecting these three together, the shaft rod cover 43 The thrust ring 47 is fixedly attached to one side of the roll shaft B45 on the shaft rod cover 43, one end of the thrust ring 47 is located inside the casing 41, and the other end of the thrust ring 47 penetrates the casing 41 and extends outward from the casing 41. The thrust ring 47 abuts against the inner ring of the roll shaft B45 that it comes into contact with. When the thrust ring 47 is pushed up, the entire shaft rod cover 43 moves upward, compressing the spring 3 and exposing the tubular grip 5.

[0025] 1 to 7, a limiting plate 21 is fixedly attached to the outside of the connecting shaft rod 2, a spring 3 is located below the limiting plate 21, a male screw groove is formed on the outer surface of the bottom end of the connecting shaft rod 2, a cross pillar is fixedly attached to the top of the connecting shaft rod 2, a convex ring is fixedly attached to the outer surface of the cross pillar, and the cross pillar is inserted into the second connecting port B112 and extends to the inside of the shaft hole 11.

[0026] 1 to 7, the axial rod cover 43 is a tubular structure with both ends passing through each other, the tubular grip 5 passes through the axial rod cover 43 and is connected to the axial rod cover 43 so as to be slidable back and forth, one end of the tubular grip 5 is butt-connected to the connecting axial rod, the tubular grip 5 includes a clamping tube 51, the axial rod cover 43 is fitted onto the outside of the clamping tube 51, a female screw groove is opened on the inner wall of the top of the clamping tube 51, and the clamping tube 51 is screwed and connected to the connecting axial rod 2 by the male screw groove and the female screw groove.

[0027] 1 to 7, a boss tube 52 is formed at the front end of the clamping tube 51, and a plurality of slit grooves 53 are opened in the clamping tube 51 along the length direction, and the plurality of slit grooves 53 extend to and penetrate the boss tube 52, and the clamping tube 51 is used to attach a grinding rod. A conical surface is provided at the opening of the bottom end of the shaft rod cover 43, and the conical surface fits together with the boss tube 52 to form an extrusion relative to the boss tube 52, and the gaps between the plurality of slit grooves 53 contract, forming a pressure-fit state with the grinding rod attached inside the clamping tube 51.

[0028] 1 to 7, the bearing assembly 4 further includes at least two O-shaped rubber rings 48 embedded in the casing 41 and the casing cover 42, and at least one annular mounting groove is opened in each of the casing 41 and the casing cover 42, and the two O-shaped rubber rings 48 are mounted in the annular mounting groove in a one-to-one correspondence.

[0029] The operating principle is that, when in use, an upward force is applied to drive the thrust ring 47 to move upward, and the axial rod cover 43 also moves upward, the spring 3 is passively compressed, the conical surface on the axial rod cover 43 comes off the boss tube 52, and the gaps of the multiple slit grooves 53 return to their initial state, at which point the grinding rod in the clamping tube 51 can be removed. Conversely, a new grinding rod is inserted into the clamping tube 51, the force applied to the thrust ring 47 is released, the spring 3 pushes up the axial rod cover 43 and moves it downward, the conical surface of the axial rod cover 43 pushes out the boss tube 52, reducing the gaps of the slit grooves 53, and then the grinding rod is crimped.

[0030] In short, in the transmission device of the grinding machine, a cross pillar similar to the top of the connecting shaft rod 2 is provided at the output end of the motor, and when the cross pillar at the output end of the motor is inserted into the first connecting port A111, the shaft tube 1 can be driven to rotate, and when a rubber ring A12 is fitted into the first connecting port A111, the vibration and noise caused by rotation can be reduced. Similarly, the shaft tube 1 is detachably attached to the connecting shaft rod 2 by the second connecting port B112 and the rubber ring B13, and the presence of the rubber ring B13 can also reduce the vibration and noise caused by the rotation of the shaft tube 1.

[0031] In the transmission device of the grinding machine, the shaft rod cover 43 rotates relative to the casing 41 through the roll shaft A44 and the roll shaft B45, and the roll shaft A44 and the roll shaft B45 are connected by the limiting sleeve 46, which improves the stability of the roll shaft A44 and the roll shaft B45 and indirectly ensures the stability of the rotation of the shaft rod cover 43.

[0032] While embodiments of the present invention have been shown and described above, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is limited only by the appended claims and their equivalents.

Claims

1. A transmission for a grinding machine, comprising an axle tube, a connecting axle rod, a spring, a bearing assembly and a tubular grip, The axial tube is fitted onto one end of the connecting axial rod, the spring is fitted onto the outside of the connecting axial rod, the tubular grip is inserted into the bearing assembly, one end of the tubular grip is fixedly connected to the other end of the connecting axial rod, the other end of the tubular grip extends from the bearing assembly, a first connection port (A) is opened at the tip of the axial tube, a second connection port (B) is opened at the bottom end of the axial tube, an axial hole is opened between the first connection port (A) and the second connection port (B), a rubber ring (A) is fitted onto the inner wall of the first connection port (A), and a rubber ring (B) is fitted onto the inner wall of the second connection port (B), a limiting sleeve fitted to the outside of the axial rod cover; a thrust ring fixedly attached to one side of the roll shaft (B) on the axial rod cover; one end of the thrust ring positioned inside the casing; and the other end of the thrust ring extending outward from the casing.

2. 2. The transmission device for a grinding machine according to claim 1, wherein a limiting plate is fixedly attached to the outside of the connecting rod, the spring is located below the limiting plate, a male thread groove is formed on the outer surface of the bottom end of the connecting rod, a cross post is fixedly attached to the top of the connecting rod, a convex ring is fixedly attached to the outer surface of the cross post, and the cross post is inserted into the second connecting port (B) and extends into the shaft hole.

3. 3. The transmission device for a grinding machine according to claim 2, wherein the tubular grip includes a clamping tube, the front end of the clamping tube forming a boss tube, the clamping tube having a plurality of slit grooves formed along its length, the plurality of slit grooves extending to and penetrating the boss tube, the clamping tube being used to attach a grinding rod.

4. 2. The transmission device of claim 1, wherein the shaft rod cover is a tubular structure having both ends penetrating each other, the tubular grip passes through the shaft rod cover and is connected to the shaft rod cover so as to be slidable back and forth, and one end of the tubular grip is butt-connected to the connecting shaft rod.

5. 2. The transmission device of claim 1, wherein the shaft rod cover is fitted onto the outside of the clamping tube, the top of the shaft rod cover abuts against the bottom end of the spring, and the bottom end of the shaft rod cover penetrates and extends to the outside of the casing.

6. 2. The transmission device of a grinding machine according to claim 1, wherein the outer rings of the roll shaft (A) and the roll shaft (B) are fixedly connected to a casing, the inner rings of the roll shaft (A) and the roll shaft (B) are fixedly connected to the outer surface of a shaft rod cover, and the outer rings of the roll shaft (A) and the roll shaft (B) are fixedly connected to each other by a limiting sleeve.

7. 2. The transmission device of claim 1, wherein the top of the shaft tube is detachably attached to the output end of the motor by a first connecting port (A) and a rubber ring (A).

8. 3. The transmission device of claim 2, wherein the bottom end of the shaft tube is removably attached to the cross pillar at the top of the connecting shaft rod by a second connecting port (B) and a rubber ring (B).

9. 4. The transmission device for a grinding machine according to claim 3, wherein a conical surface is provided at the opening of the bottom end of the shaft rod cover, the conical surface being adapted to fit with the boss pipe and being used for extrusion fixing to the boss pipe.

10. 2. The transmission device of claim 1, wherein said bearing assembly further comprises at least two O-shaped rubber rings embedded in said casing and casing cover.

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