CN-224223589-U - Polishing device
Abstract
The utility model relates to the technical field of bicycle production, in particular to a polishing device. Wherein, the cylinder sets up in the casing, the one end of pivot rotates to be connected in the cylinder, the other end of pivot is connected in the head of polishing, the periphery of pivot eccentric part is located to the rotor cover, and the rotor is located the cylinder, the rotor is provided with a plurality of spouts along circumference interval, a plurality of spouts and a plurality of blade one-to-one setting, the blade slides and sets up in the spout, one side that the cylinder offsets with the rotor is provided with first passageway and second passageway, first passageway and second passageway all extend anticlockwise along the circumference of cylinder, and the both ends of first passageway communicate air feeder and spout respectively, so that the blade can offset with the inner wall of cylinder, the outer wall of blade and rotor encloses jointly and establishes into the air inlet chamber, the both ends of second passageway communicate air feeder and air inlet chamber respectively. Compared with the prior art, the polishing device can enable the polishing head to rotate anticlockwise, reduce polishing resistance and improve polishing effect.
Inventors
- YAN YUCHEN
Assignees
- 捷安特(昆山)有限公司
Dates
- Publication Date
- 20260512
- Application Date
- 20250605
Claims (10)
- 1. The utility model provides a grinding device, its characterized in that, including polishing head (1), casing (2), cylinder (3), pivot (4), rotor (5) and a plurality of blade (6), cylinder (3) set up in casing (2), the one end rotation of pivot (4) connect in cylinder (3), the other end of pivot (4) connect in polishing head (1), rotor (5) cover is located the periphery of pivot (4) eccentric part, just rotor (5) are located in cylinder (3), rotor (5) are provided with a plurality of spouts (51) along the circumference interval, a plurality of spout (51) with a plurality of blade (6) one-to-one sets up, blade (6) slide set up in spout (51), one side that cylinder (3) and rotor (5) offset is provided with first passageway (311) and second passageway (321), first passageway (311) with second passageway (321) are located the periphery of rotor (4) eccentric part, just rotor (5) are located in cylinder (3) are provided with a plurality of spouts (51) and a plurality of blade (6) one-to-one set up, blade (6) slide in spout (51), one side that cylinder (3) offset one side, cylinder (311) and cylinder (3) can extend with anticlockwise air feed through respectively, air feed device (3) and inner wall (3) can extend with anticlockwise The blades (6) and the outer wall of the rotor (5) are jointly surrounded to form an air inlet cavity, and two ends of the second channel (321) are respectively communicated with the air supply device and the air inlet cavity.
- 2. A polishing device according to claim 1, characterized in that the cylinder (3) comprises an upper cylinder cover (31), a cylinder body (32) and a lower cylinder cover (33), the upper cylinder cover (31) and the lower cylinder cover (33) are respectively connected to two ends of the cylinder body (32), the polishing device further comprises a positioning piece (7), the upper cylinder cover (31) and the cylinder body (32) are both provided with positioning holes (8), the lower cylinder cover (33) is provided with positioning grooves, and one end of the positioning piece (7) can sequentially pass through the positioning holes (8) of the upper cylinder cover (31) and the positioning holes (8) of the cylinder body (32) and is inserted into the positioning grooves.
- 3. A grinding device according to claim 2, characterized in that the grinding device further comprises a seal (9), the seal (9) being arranged between the cylinder block (32) and the lower cylinder head (33).
- 4. A grinding device according to claim 2, characterized in that the grinding device further comprises a first bearing (10) and a second bearing (11), the outer ring of the first bearing (10) being fixed to the upper cylinder head (31), the outer ring of the second bearing (11) being fixed to the lower cylinder head (33), the inner ring of the first bearing (10) and the inner ring of the second bearing (11) both being fixed to the rotating shaft (4).
- 5. A polishing device according to claim 2, wherein the first channel (311) is concavely arranged on the upper cylinder cover (31), the first channel (311) comprises a first air channel (3111) and a second air channel (3112) which are mutually communicated, the first air channel (3111) is arc-shaped, the first air channel (3111) extends anticlockwise along the circumferential direction of the cylinder (3), the first air channel (3111) can be communicated with the chute (51), the second air channel (3112) is communicated with the air supply device, the second channel (321) is concavely arranged on the top wall of the cylinder body (32), a third channel (322) is concavely arranged on the bottom wall of the cylinder body (32), and two ends of the third channel (322) are respectively communicated with the air supply device and the air inlet cavity.
- 6. A grinding device according to claim 5, characterized in that a receiving groove (52) is provided between two adjacent slide grooves (51), said receiving groove (52) being capable of communicating with the second air passage (3112).
- 7. A polishing device according to claim 5, wherein the side wall of the cylinder (32) is provided with an air inlet hole (323), the second air passage (3112), the third passage (322) and the second passage (321) are all in communication with the air inlet hole (323), the air inlet hole (323) is in communication with the air supply, and the air inlet hole (323) is T-shaped.
- 8. A grinding device according to claim 7, wherein the air inlet cavity is located at one side of the air inlet hole (323), a plurality of through grooves (324) are formed in the side wall of the air cylinder (3) at the other side of the air inlet hole (323), the housing (2) is provided with an air inlet end (21) and an air outlet end (22), the air inlet end (21) is communicated with the air inlet hole (323), and the air outlet end (22) is communicated with the through grooves (324).
- 9. A grinding device according to any one of claims 1-8, further comprising a plurality of eccentric blocks (12), wherein a plurality of the eccentric blocks (12) are axially arranged between the grinding head (1) and the cylinder (3) at intervals, and wherein a plurality of the eccentric blocks (12) are rotatably sleeved on the periphery of the rotating shaft (4).
- 10. A grinding device according to claim 9, further comprising a plurality of third bearings (13), wherein the plurality of third bearings (13) are arranged in a one-to-one correspondence with the plurality of eccentric blocks (12), an inner ring of the third bearings (13) is fixed to the rotating shaft (4), and an outer ring of the third bearings (13) is fixed to the eccentric blocks (12).
Description
Polishing device Technical Field The utility model relates to the technical field of bicycle production, in particular to a polishing device. Background In the automatic carbon fiber rim grinding, the two mechanical arms are used for cross grinding, so that the rim can be uniformly and quickly ground, but the standard pneumatic tool rotates clockwise, so that the rotating direction of one pneumatic tool is opposite to the rotating direction of the rim, the grinding resistance is increased, the rotating speed of the rim is influenced, and the grinding effects on the two sides of the rim are different. Therefore, there is a need for a polishing apparatus to solve the above-mentioned technical problems. Disclosure of utility model The utility model aims to provide a polishing device which can rotate anticlockwise, reduce polishing resistance and improve polishing effect. To achieve the purpose, the utility model adopts the following technical scheme: The utility model provides a grinding device, includes polishing head, casing, cylinder, pivot, rotor and a plurality of blade, the cylinder set up in the casing, the one end of pivot rotate connect in the cylinder, the other end of pivot connect in polishing head, the rotor cover is located the periphery of pivot eccentric part, just the rotor is located in the cylinder, the rotor is provided with a plurality of spouts along circumference interval, a plurality of spout and a plurality of blade one-to-one set up, the blade slip set up in the spout, the cylinder with one side that the rotor offseted is provided with first passageway and second passageway, first passageway with the second passageway is all followed the circumference anticlockwise extension of cylinder, just the both ends of first passageway communicate air feeder with the spout respectively, so that the blade can with the inner wall of cylinder offsets, the inner wall of cylinder the blade with the outer wall of rotor encloses jointly and establishes the air inlet chamber, the both ends of second passageway communicate respectively air feeder with the air inlet chamber. As a preferred technical scheme of the polishing device, the cylinder comprises an upper cylinder cover, a cylinder body and a lower cylinder cover, wherein the upper cylinder cover and the lower cylinder cover are respectively connected to two ends of the cylinder body, the polishing device further comprises a positioning piece, the upper cylinder cover and the cylinder body are both provided with positioning holes, the lower cylinder cover is provided with positioning grooves, and one end of the positioning piece can sequentially penetrate through the positioning holes of the upper cylinder cover and the positioning holes of the cylinder body and is inserted into the positioning grooves. As a preferable technical solution of the polishing device, the polishing device further includes a sealing member, and the sealing member is disposed between the cylinder body and the lower cylinder cover. As a preferable technical scheme of the polishing device, the polishing device further comprises a first bearing and a second bearing, wherein an outer ring of the first bearing is fixed on the upper cylinder cover, an outer ring of the second bearing is fixed on the lower cylinder cover, and an inner ring of the first bearing and an inner ring of the second bearing are both fixed on the rotating shaft. As a preferred technical scheme of the polishing device, the first channel is concavely formed in the upper cylinder cover, the first channel comprises a first air channel and a second air channel which are mutually communicated, the first air channel is arc-shaped, the first air channel extends anticlockwise along the circumferential direction of the cylinder, the first air channel can be communicated with the sliding groove, the second air channel is communicated with the air supply device, the second channel is concavely formed in the top wall of the cylinder body, a third channel is concavely formed in the bottom wall of the cylinder body, and two ends of the third channel are respectively communicated with the air supply device and the air inlet cavity. As a preferable technical scheme of the polishing device, an accommodating groove is formed between two adjacent sliding grooves, and the accommodating groove can be communicated with the second air passage. As a preferable technical scheme of the polishing device, the side wall of the cylinder body is provided with an air inlet, the second air path, the third channel and the second channel are all communicated with the air inlet, the air inlet is communicated with the air supply device, and the air inlet is T-shaped. As a preferable technical scheme of the polishing device, the air inlet cavity is located on one side of the air inlet hole, a plurality of through grooves are formed in the side wall of the air cylinder on the other side of the air inlet hole, the shell is provided with an air