Cylinder group structure for pneumatic polishing machine

Abstract

The air cylinder set structure for the pneumatic polishing machine comprises a rotor, blades and a shaft core, the outer side of the shaft core is fixedly sleeved with a bearing, the outer side of the bearing is rotationally connected with an eccentric shaft, the outer side of the upper portion of the eccentric shaft is rotationally sleeved with the rotor, and the outer side of the rotor is fixedly connected with the blades. According to the air cylinder set structure for the pneumatic polishing machine, the bearings and the rolling shaft bearings are used for assisting rotation of the eccentric shaft, the blades are fixedly connected to the outer side of the rotor, and the blades are arranged at equal intervals in a surrounding mode after deviating at an inclination angle on the outer side along the center point of the rotor. The angle deviation amplitude of six grooves of the blades can be adjusted, as an improved technology for improving the working efficiency, the rotor can be used in multiple blade grooves at multiple angles, the pneumatic motor set can exert high rotating speed and horsepower through the deviation angles of the six grooves in the rotor, the abrasion phenomenon of all parts is reduced, and the service life of the tool is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to pneumatic polishing machine pneumatic motor group technical field especially relates to a cylinder group structure for pneumatic polishing machine. BACKGROUND

[0002] Pneumatic polishing machine is a kind of widely used pneumatic polishing polishing machinery, and its main components are cylinder and a sliding vane group and runner in cylinder body.Polishing machine works, compressed air in cylinder body pushes vane, makes runner drive crankshaft friction piece high-speed operation, and polishing is carried out by rotating friction piece and workpiece, and friction piece is commonly known as abrasive disc.

[0003] For example, the authorized announcement No. CN201432243Y energy-saving pneumatic polishing machine, compressed air passes through cylinder body inlet, exhaust, pushes sliding vane, makes runner drive crankshaft and the friction piece on crankshaft high-speed rotation, and the friction piece of high-speed rotation first contacts workpiece and carries out polishing.

[0004] However, the energy-saving pneumatic polishing machine in the above still has some problems when using, for example, the energy-saving pneumatic polishing machine in the above, due to the 360 degree division of the rotor vane slot in the pneumatic polishing machine pneumatic motor group of prior art, there is no offset angle division, air compression is not complete, which leads to insufficient speed and horsepower of the pneumatic polishing machine, and further generates relatively large friction force on the internal parts of the cylinder motor group, short tool life and poor work efficiency. SUMMARY

[0005] The utility model solves the above-mentioned prior art problems, provides a cylinder group structure for pneumatic polishing machine, can play high speed and horsepower, and reduces the wear phenomenon of each part, improves the service life of the tool.

[0006] The utility model solves the technical problems by adopting the technical scheme of:

[0007] Design a kind of cylinder group structure for pneumatic polishing machine, including rotor, vane and shaft core, the outer side of the shaft core is fixedly connected with bearing, the outer side of the bearing is rotatably connected with eccentric shaft, the upper outer side of the eccentric shaft is rotatably connected with rotor, and the outer side of the rotor is fixedly connected with vane.

[0008] Further improvement, the top of the eccentric shaft is rotatably connected with rear cover, and the lower outer side of the rear cover is rotatably connected with front cover.

[0009] Further improvement, the inner wall of the rear cover is rotatably connected with the top outer side of the eccentric shaft, and the inner side of the front cover is rotatably connected with the outer side of the middle part of the eccentric shaft.

[0010] Further improvement, the inner side of the rear cover is rotatably installed with a cylinder, and the inner wall of the cylinder is rotatably connected with the outer side of the blade.

[0011] Further improvement, the lower side of the front cover is fixedly sleeved with a locking ring.

[0012] Further improvement, the upper side of the eccentric shaft is movably installed with a semicircular key.

[0013] The utility model has the beneficial effects that: the utility model, through bearing adopts the roller bearing for assisting the rotation of the eccentric shaft, the outer side of the rotor is fixedly connected with the blade, the blade is set around equidistance after the outer side of the center point of the rotor is offset at the inclination angle, in the pneumatic polishing machine, the rotor blade six grooves of the pneumatic motor group are designed at a certain angle, the angle offset range of the blade six grooves can be adjusted, as an improved technology for improving work efficiency, the rotor can use multiple blade grooves at multiple angles, through the six groove position offset angle on the rotor, the pneumatic motor group can play high speed and horsepower, and the phenomenon of part wear is reduced, and the service life of the tool is improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the whole front view cross section schematic drawing of the utility model;

[0015] Figure 2 It is the front view cross section schematic drawing of Figure 1 ;

[0016] Figure 3 It is the rotor front structure schematic drawing;

[0017] Figure 4 It is the rotor side view schematic drawing in Figure 3 ;

[0018] Mark explanation: in drawing: 1, rotor, 2, semicircular key, 3, eccentric shaft, 4, bearing, 5, rear cover, 6, blade, 7, cylinder, 8, front cover, 9, locking ring, 10, shaft core. DETAILED DESCRIPTION

[0019] The utility model is further described below in conjunction with the drawings: Example 1:

[0020] Refer to the drawings Figures 1-4The embodiment is a pneumatic polisher cylinder group structure, which comprises a rotor 1, a blade 6 and a shaft core 10. The outer side of the shaft core 10 is fixedly sleeved with a bearing 4. The shaft core 10 is sleeved in the inner side of an eccentric shaft 3 at the lowermost position. The eccentric shaft 3 can rotate along the upper side of the shaft core 10. The outer side of the bearing 4 is rotatably connected with the eccentric shaft 3. The bearing 4 is a roller bearing used to assist the rotation of the eccentric shaft 3. The upper outer side of the eccentric shaft 3 is rotatably sleeved with the rotor 1. The outer side of the rotor 1 is fixedly connected with the blade 6. The blade 6 is circumferentially arranged at an equal distance along the center point of the rotor 1 at an inclined angle. In the pneumatic polisher, the rotor blade six slots of the pneumatic motor group are designed at a certain angle. The angle offset range of the blade six slots can be adjusted. As an improved technology for improving work efficiency, the rotor 1 can be used with multiple blade 6 slots and multiple angles. By offsetting the angle of the six slots on the rotor 1, the pneumatic motor group can achieve high rotation speed and horsepower, while reducing the wear of each part and improving the service life of the tool.

[0021] The top end of the eccentric shaft 3 is rotatably connected with a rear cover 5. The lower outer side of the rear cover 5 is rotatably connected with a front cover 8. The inner wall of the rear cover 5 is rotatably connected with the top outer side of the eccentric shaft 3. The rear cover 5 and the front cover 8 are used to limit the positions of the internal cylinder 7 and the blade 6. The inner side of the front cover 8 is rotatably connected with the outer side of the middle part of the eccentric shaft 3. The inner side of the rear cover 5 is rotatably installed with the cylinder 7. The inner wall of the cylinder 7 is rotatably connected with the outer side of the blade 6.

[0022] The lower side of the front cover 8 is fixedly sleeved with a locking ring 9, which is clamped on the outer side of the front cover 8. The locking ring 9 in the pneumatic motor is a mechanical part, mainly used for connecting fasteners and workpieces, to ensure that it does not loosen under vibration or external force. The locking ring is usually made of stainless steel material and can be used in high temperature, high pressure and harsh working environment. The upper side of the eccentric shaft 3 is movably installed with a semicircular key 2, which is made of stainless steel material. The semicircular key 2 in the pneumatic motor is a mechanical connecting piece, mainly used for connecting the rotating shaft and the shaft sleeve to transmit power. The upper surface of the semicircular key 2 is a plane, the lower surface is a semicircular arc surface, and the two side surfaces are parallel. In the pneumatic motor, the semicircular key 2 transmits power between the motor and the pump shaft to the impeller, thereby generating pressure and flow, improving the efficiency and stability of the pneumatic motor. The locking ring 9 and the semicircular key 2 belong to the existing technology which is relatively mature at present.

[0023] Working principle:

[0024] The cylinder group structure of the pneumatic polisher, the rotor blade slot position in the pneumatic motor assembly is designed at a certain angle, the high-speed rotation and the power rotor slot angle are rotatable relative to the cylinder, the gas enters to push the rotor blade due to the angle factor to produce air compression to efficiently push the pneumatic motor to work, which not only improves the tool cutting performance and increases the tool service life, but also plays the use performance and work efficiency, and the above rotor six-blade slot angle design can be used as the device of the pneumatic motor group of the pneumatic polisher.

[0025] The shaft core 10 is sleeved in the eccentric shaft 3 at the lowermost position, the eccentric shaft 3 can rotate along the upper side of the shaft core 10, the bearing 4 is a roller bearing used for assisting the rotation of the eccentric shaft 3, the outer side of the rotor 1 is fixedly connected with the blades 6, the blades 6 are circumferentially arranged at an equal distance after being offset at an inclined angle along the center point of the rotor 1, in the pneumatic polisher, the rotor blade six slots of the pneumatic motor group are designed at a certain angle, the angle offset range of the blade six slots can be adjusted, as an improved technology for improving the work efficiency, the rotor 1 can be used with multiple blades 6 slots at multiple angles, through the six-slot offset angle of the rotor 1, the pneumatic motor group can be used at high speed and power, and the wear of parts is reduced, and the service life of the tool is improved.

[0026] The locking ring 9 in the pneumatic motor is a mechanical part, mainly used for connecting fasteners and workpieces, and ensuring that the fasteners and workpieces are not loose under vibration or external force, the locking ring is usually made of stainless steel material, can be used in high temperature, high pressure and harsh working environment, the semi-circular key 2 is movably arranged on the upper side of the eccentric shaft 3, the semi-circular key 2 is made of stainless steel material, the semi-circular key 2 in the pneumatic motor is a mechanical connecting piece, mainly used for connecting the rotating shaft and the shaft sleeve, and transmitting power, the upper surface of the semi-circular key 2 is a plane, the lower surface is a semicircular arc surface, and the two side surfaces are parallel, in the pneumatic motor, the semi-circular key 2 is used for transmitting power between the motor and the pump shaft to the impeller, so that pressure and flow are generated, and the efficiency and stability of the pneumatic motor are improved.

[0027] Although the utility model has been illustrated and described by referring to the preferred embodiments, it should be understood by those skilled in the art that various changes in form and details can be made within the scope of claims.

Claims

1. A cylinder set structure for a pneumatic polisher, comprising a rotor (1), a vane (6) and a shaft core (10), characterized in that: The outer side of the shaft core (10) is fixedly sleeved with a bearing (4), the outer side of the bearing (4) is rotationally connected with an eccentric shaft (3), the upper outer side of the eccentric shaft (3) is rotationally sleeved with a rotor (1), the outer side of the rotor (1) is fixedly connected with a blade (6), and the blades (6) are circumferentially arranged at equal intervals after being offset at an inclined angle along the center point of the rotor.

2. The pneumatic cylinder set structure for a pneumatic polisher according to claim 1, characterized in that: The top end of the eccentric shaft (3) is rotationally connected with a rear cover (5), and the lower outer side of the rear cover (5) is rotationally connected with a front cover (8).

3. The pneumatic cylinder set structure for the pneumatic polisher according to claim 2, characterized in that: The inner wall of the rear cover (5) is rotationally connected with the top end of the eccentric shaft (3), and the inner side of the front cover (8) is rotationally connected with the outer side of the middle part of the eccentric shaft (3).

4. The pneumatic cylinder set structure for the pneumatic polisher according to claim 2, characterized in that: The inner wall of the rear cover (5) is rotationally connected with the top end of the eccentric shaft (3), and the inner side of the front cover (8) is rotationally connected with the outer side of the middle part of the eccentric shaft (3).

5. The pneumatic cylinder set structure for the pneumatic polisher according to claim 2, characterized in that: The inner wall of the rear cover (5) is rotationally connected with the top end of the eccentric shaft (3), and the inner side of the front cover (8) is rotationally connected with the outer side of the middle part of the eccentric shaft (3).

6. The pneumatic cylinder set structure for a pneumatic polisher according to claim 1, characterized by: The lower side of the front cover (8) is fixedly sleeved with a locking ring (9). The upper side of the eccentric shaft (3) is movably installed with a semicircular key (2).

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