CN110695823A - A polishing and grinding machine that realizes variable diameter by cooperating with screw and bevel gear - Google Patents

Abstract

The invention discloses a polishing and grinding machine for realizing reducing by matching a screw and a bevel gear, which comprises a first motor, a top cover, a circular-tube-shaped fixed sleeve, a dust collection cover seat, an end face gear, a second motor, a grinding groove disc, a screw fixing frame and an air ring, wherein the dust collection cover seat is meshed with the end face gear; the invention can realize the adjustment of the movable radius of the polishing and grinding assembly, thereby solving the problem of large grinding dead angle, and having high polishing efficiency and low cost.

Description

A polishing and grinding machine that realizes variable diameter by cooperating with screw and bevel gear

technical field

The invention relates to the technical field of polishing and grinding equipment, in particular to a polishing and grinding machine that realizes diameter reduction through the cooperation of a screw rod and a bevel gear.

Background technique

The active radius of the existing polishing and grinding equipment is not adjustable. When polishing and grinding workpieces with corners, small grinding knives are often replaced when grinding the corners to avoid the problem of large dead corners. It will lead to low polishing efficiency of the workpiece.

SUMMARY OF THE INVENTION

The purpose of the present invention is to overcome the above-mentioned shortcomings, and to provide a polishing and grinding machine that realizes diameter reduction by cooperating with a screw rod and a bevel gear.

For achieving the above object, the concrete scheme of the present invention is as follows:

A polishing and grinding machine that realizes diameter reduction through the cooperation of a screw rod and a bevel gear, comprising a first motor, a top cover, a cylindrical fixing sleeve, a dust collecting cover seat, an end face gear, a second motor, a grinding groove disc, and a screw fixing frame and gas ring, the first motor is fixed on the top surface of the top cover, and its output end passes through the top cover downward and is fixedly connected to the middle of the end gear, the top cover is closed on the top of the fixed sleeve, the set The dust cover base includes a dust collection cover body and a dust collection connection pipe. The middle part of the dust collection cover body is fixedly connected with the dust collection connection pipe. The dust collection connection pipe extends into the fixing sleeve and meshes with the end gear. The inner wall of the fixing sleeve is connected with the outer wall of the dust collecting connection pipe through the bearing member, the top end of the grinding groove plate is fixedly connected with the bottom end of the dust collecting cover body, and there is formed between the grinding groove plate and the dust collecting cover body. Dust storage chamber, the air ring is fixed on the dust collecting cover and communicated with the dust storage chamber, the grinding groove plate is provided with a center hole, the screw fixing frame is fixed on the center hole, the second The motor is fixed on the top end of the screw fixing frame and is located in the dust collecting connection pipe, the inner wall of the fixing sleeve is installed with a collector ring, and the second motor is electrically connected with the collector ring after passing through the end face gear through the roller conductive assembly, The output end of the second motor is connected to the drive bevel gear after passing through the screw fixing frame, and the grinding groove plate is slidably connected to a number of fan-shaped polishing and polishing components in the radial direction, and each of the polishing and polishing components is threadedly connected with a A variable diameter screw, the other end of each variable diameter screw passes through the screw fixing frame in the radial direction and is connected with a driven bevel gear, each of the driven bevel gears is meshed with the driving bevel gear respectively, and the grinding groove The disc is provided with a number of dust suction holes at intervals between the two adjacent polishing and grinding components, the dust suction holes communicate with the dust storage chamber, and the bottom end of the screw fixing frame is also fixed with a dustproof bottom plate.

The polishing and grinding assembly includes a diameter-reducing slider and an abrasive block, the diameter-reducing slider is slidably connected to the grinding groove plate, one end of the diameter-reducing screw is threadedly connected to the diameter-reducing slider, and the abrasive block is fixed On the underside of the reducer slider.

Wherein, the roller conductive assembly includes a conductive clip and a conductive wheel, one end of the conductive clip is fixed on the second motor, the conductive wheel is connected to the other end of the conductive clip, and is in contact with the collector ring, the second The electrical connection end of the motor is electrically connected with the conductive wheel.

The beneficial effects of the present invention are: compared with the prior art, the present invention realizes the adjustment of the active radii of the six polishing and grinding components through the cooperation of the screw rod and the gear, thereby solving the problem of relatively large polishing dead angles without affecting the polishing of the workpiece Efficiency, reliable transmission, and low cost. At the same time, the second motor adopts a built-in method, and the conduction of the second motor is realized through the collector ring and the roller conductive component. The structure is compact and the volume is small. In the process of grinding and polishing, the grinding can be removed at the same time. The chips and powder produced ensure the polishing effect of the workpiece, which can further reduce the cost.

Description of drawings

1 is a perspective view of a polishing machine provided by an embodiment of the present invention;

2 is a cross-sectional view of a polishing machine provided by an embodiment of the present invention;

3 is an exploded schematic view of a polishing machine provided by an embodiment of the present invention;

4 is a bottom view of a polishing machine provided by an embodiment of the present invention;

5 is a schematic structural diagram of the cooperation of the reducing screw, the driven bevel gear and the polishing and grinding assembly provided by the embodiment of the present invention;

6 is a schematic structural diagram of a roller conductive assembly provided by an embodiment of the present invention;

7 is a schematic structural diagram of a face gear provided by an embodiment of the present invention;

8 is a schematic structural diagram of a dust collecting cover seat provided by an embodiment of the present invention;

9 is a schematic structural diagram of a grinding groove plate provided by an embodiment of the present invention;

10 is a schematic structural diagram of a grinding groove plate provided by an embodiment of the present invention from another perspective;

11 is a state diagram of an increased active radius of the polishing machine provided by an embodiment of the present invention;

Description of reference numerals: 1-first motor; 2-top cover; 3-fixing sleeve; 4-dust-collecting cover base; 41-dust-collecting cover body; 42-dust-collecting connecting pipe; 5-face gear; 6-th Two motor; 7-grinding groove plate; 71-dust hole; 8-screw fixing frame; 9-air ring; 10-bearing part; 20-dust storage chamber; 30-collecting ring; 40-roller conductive component; 401-conductive clip; 402-conductive wheel; 50-drive bevel gear; 60-polishing and grinding components; 601-reducer slider; 602-abrasive block; 70-reducer screw; 80-driven bevel gear; 90-anti-diameter Dust floor.

Detailed ways

The present invention will be described in further detail below with reference to the accompanying drawings and specific embodiments, but the scope of implementation of the present invention is not limited thereto.

As shown in Fig. 1 to Fig. 11 , the polishing and grinding machine described in this embodiment, which realizes diameter reduction through the cooperation of a screw rod and a bevel gear, includes a first motor 1, a top cover 2, a cylindrical fixing sleeve 3, a collecting Dust cover seat 4, end face gear 5, second motor 6, grinding groove plate 7, screw fixing frame 8 and air ring 9, the first motor 1 is fixed on the top surface of the top cover 2, and its output end passes downwards The top cover 2 is then fixedly connected to the middle of the end face gear 5. The top cover 2 is covered with the top of the fixing sleeve 3. The dust collecting cover seat 4 includes a dust collecting cover body 41 and a dust collecting connecting pipe 42. The middle part of the dust cover body 41 is fixedly connected with the dust collecting connecting pipe 42. Specifically, the dust collecting cover body 41 and the dust collecting connecting pipe 42 are integrally formed. The dust collecting connecting pipe 42 extends into the fixing sleeve 3 and is connected with The end gear 5 is engaged, the inner wall of the fixed sleeve 3 is connected with the outer wall of the dust collecting connecting pipe 42 through the bearing member 10, the top end of the grinding groove plate 7 is fixedly connected with the bottom end of the dust collecting cover 41, and the grinding groove A dust storage chamber 20 is formed between the disc 7 and the dust collecting cover 41. The gas ring 9 is fixed on the dust collecting cover 41 and communicates with the dust storage chamber 20. The grinding groove disc 7 is provided with a center The screw fixing frame 8 is fixed on the central hole, the second motor 6 is fixed on the top end of the screw fixing frame 8, and is located in the dust collecting connecting pipe 42, the inner wall of the fixing sleeve 3 is installed with a collector ring 30. The second motor 6 is electrically connected to the collector ring 30 after passing through the end face gear 5 through the roller conductive assembly 40, and the output end of the second motor 6 is connected to the driving bevel gear 50 after passing through the screw fixing frame 8 Six fan-shaped polishing and grinding components 60 are slidably connected to the grinding groove plate 7 in the radial direction. Each of the polishing and grinding components 60 is threadedly connected with a reducing screw 70. One end passes through the screw fixing frame 8 in the radial direction and is connected with a driven bevel gear 80. Each of the driven bevel gears 80 is meshed with the driving bevel gear 50 respectively. Five dust suction holes 71 are arranged at intervals between the grinding components 60 , and the dust suction holes 71 communicate with the dust storage chamber 20 . The bottom end of the screw fixing frame 8 is also fixed with a dustproof bottom plate 90 .

The working mode of this embodiment is: when the workpiece is polished and polished, the collector ring 30 and the roller conductive assembly 40 are powered to the second motor 6, and the second motor 6 works to drive the driving bevel gear 50 to rotate, and the driving bevel gear 50 drives six The driven bevel gear 80 rotates, and the six driven bevel gears 80 simultaneously drive the six variable diameter screws 70 to rotate, so that the polishing and grinding components 60 move in the radial direction, and then the active radii of the six polishing and grinding components 60 can be adjusted. By changing the rotation direction of the second motor 6, the active radii of the six polishing and grinding assemblies 60 can be adjusted to increase or decrease. When the central area of the workpiece is polished, the active radius of the polishing and polishing assemblies 60 is increased, so as to improve the polishing efficiency. , and when grinding the corner position of the workpiece, the active radius of the polishing and grinding components 60 is reduced, so as to solve the problem that the dead angle of the workpiece is relatively large, and the structure is more flexible; after the adjustment of the active radius of the six polishing and grinding components 60 is completed, the first The second motor 6 stops working, and the six polishing and grinding components 60 will not slide in the radial direction under the thread self-locking function, so that the problem of the six polishing and grinding components 60 being thrown out under the action of centrifugal force can be avoided, and then the first motor 1 works , drive the end gear 5 to rotate, the end gear 5 drives the dust collecting cover base 4 to rotate, the dust collecting cover base 4 drives the grinding groove plate 7 to rotate, thereby driving the six polishing and grinding components 60 to rotate at a high speed to grind and polish the workpiece; at the same time, the grinding groove The disk 7 will also drive the screw fixing frame 8 to rotate, and the screw fixing frame 8 drives the second motor 6 to rotate, so that the second motor 6, the roller conductive assembly 40 and the end gear 5 remain relatively static; during the grinding and polishing process, there will be Debris and powder, these debris and powder will affect grinding and polishing, for this reason, in this embodiment, the dust storage chamber 20 is evacuated through the air ring 9, so that the powder and debris can pass through the dust suction hole under the action of air pressure After 71, it is sucked into the dust storage chamber 20, so as to solve the problem that debris and powder affect the polishing effect, and the polishing effect is better.

In this embodiment, the adjustment of the active radii of the six polishing and grinding components 60 is realized by the cooperation of the screw rod and the gear, so as to solve the problem that the polishing dead angle is relatively large, without affecting the polishing efficiency of the workpiece, the transmission is more reliable, the cost is low, and the second The motor 6 adopts a built-in method, and realizes the conduction of the second motor 6 through the collector ring 30 and the roller conductive assembly 40, with a compact structure and small volume, and can simultaneously remove the debris and powder produced by grinding during the grinding and polishing process. Ensure the polishing effect of the workpiece and further reduce the cost.

Based on the above embodiments, further, as shown in FIG. 1 , FIG. 3 and FIG. 5 , the polishing and grinding assembly 60 includes a diameter-reducing slider 601 and an abrasive block 602 , and the diameter-reducing slider 601 is slidably connected to the On the grinding groove plate 7, one end of the variable diameter screw 70 is threadedly connected with the variable diameter slider 601, and the abrasive block 602 is fixed on the bottom surface of the variable diameter slider 601; during operation, the variable diameter screw 70 is in the second motor 6 It rotates under the drive of the screw rod, and the diameter-reducing screw 70 is limited on the screw fixing frame 8. Therefore, when the diameter-reducing screw 70 rotates, the diameter-reducing slider 601 will move along the radial direction on the grinding groove plate 7, and the diameter-changing slider 601 drives the abrasive block 602 to move, thereby realizing the adjustment of the active radius of the abrasive block 602, and then driven by the first motor 1, the abrasive block 602 grinds and polishes the surface of the workpiece. In this embodiment, a layer of shock-absorbing pad can be arranged between the variable diameter slider 601 and the abrasive block 602 to better protect the abrasive block 602 and prolong the service life of the abrasive block 602 .

Based on the above embodiment, further, as shown in FIG. 6 , the roller conductive assembly 40 includes a conductive clip 401 and a conductive wheel 402 , one end of the conductive clip 401 is fixed on the second motor 6 , and the conductive The wheel 402 is axially connected to the other end of the conductive clip 401 and is in contact with the collector ring 30, and the electrical connection end of the second motor 6 is electrically connected to the conductive wheel 402; The end gear 5 does not move relative to the second motor 6 and the roller conductive assembly 40, while the conductive wheel 402 rolls along the slip ring 30, so that the second motor 6 can be kept in an electrical conduction state.

The above is only a preferred embodiment of the present invention, so all equivalent changes or modifications made according to the structure, features and principles described in the scope of the patent application of the present invention are included in the protection scope of the patent application of the present invention.

Claims (3)

1. The utility model provides a realize polishing polisher of reducing through screw rod and bevel gear cooperation, a serial communication port, its characterized in that, including first motor (1), top cap (2), the fixed cover (3) of pipe shape, collection dirt lid seat (4), face gear (5), second motor (6), groove dish (7), screw rod mount (8) and gas ring (9) polish, first motor (1) is fixed at the top surface of top cap (2), and its output passes the middle part fixed connection with face gear (5) behind top cap (2) downwards, top cap (2) lid closes the top of fixed cover (3), collection dirt lid seat (4) are including collection dirt lid (41) and collection dirt connecting pipe (42), the middle part of collection dirt lid (41) is in the same place with collection dirt connecting pipe (42) fixed connection, collection dirt connecting pipe (42) stretch into fixed cover (3), and is engaged with the end face gear (5), the inner wall of the fixed sleeve (3) is connected with the outer wall of a dust collection connecting pipe (42) through a bearing piece (10), the top end of the polishing groove disc (7) is fixedly connected with the bottom end of a dust collection cover body (41), a dust storage cavity (20) is formed between the polishing groove disc (7) and the dust collection cover body (41), the air ring (9) is fixed on the dust collection cover body (41) and is communicated with the dust storage cavity (20), the polishing groove disc (7) is provided with a central hole, the screw rod fixing frame (8) is fixed on the central hole, the second motor (6) is fixed at the top end of the screw rod fixing frame (8) and is positioned in the dust collection connecting pipe (42), the collecting ring (30) is installed on the inner wall of the fixed sleeve (3), and the second motor (6) is electrically communicated with the collecting ring (30) after passing through the end face gear (5) through a roller conductive assembly, the output end of the second motor (6) passes through the screw fixing frame (8) and is connected with a driving conical gear (50), the polishing groove disc (7) is connected with a plurality of sector polishing and polishing components (60) in a sliding mode along the radial direction, each polishing and polishing component (60) is in threaded connection with a reducing screw (70), the other end of each reducing screw (70) penetrates through a screw fixing frame (8) along the radial direction and then is connected with a driven conical gear (80), each driven conical gear (80) is meshed with a driving conical gear (50) respectively, a plurality of dust suction holes (71) are arranged at intervals on the gap between two adjacent polishing and grinding components (60) of the grinding groove disc (7), dust absorption hole (71) and dust storage chamber (20) intercommunication, the bottom of screw rod mount (8) still is fixed with dustproof bottom plate (90).

2. The polishing and grinding machine for realizing reducing by matching the screw rod with the bevel gear is characterized in that the polishing and grinding assembly (60) comprises a reducing sliding block (601) and an abrasive block (602), the reducing sliding block (601) is slidably connected onto the grinding groove disc (7), one end of the reducing screw rod (70) is in threaded connection with the reducing sliding block (601), and the abrasive block (602) is fixed on the bottom surface of the reducing sliding block (601).

3. The polishing and grinding machine for realizing reducing diameter by matching the screw with the bevel gear is characterized in that the roller conductive assembly (40) comprises a conductive clamp (401) and a conductive wheel (402), one end of the conductive clamp (401) is fixed on the second motor (6), the conductive wheel (402) is coupled at the other end of the conductive clamp (401) in a shaft mode and is in contact with the collector ring (30), and the electrical connection end of the second motor (6) is electrically communicated with the conductive wheel (402).

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