CN112123200A - Waterproof dustproof motor spindle polishing head - Google Patents

Waterproof dustproof motor spindle polishing head Download PDF

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Publication number
CN112123200A
CN112123200A CN202011039038.1A CN202011039038A CN112123200A CN 112123200 A CN112123200 A CN 112123200A CN 202011039038 A CN202011039038 A CN 202011039038A CN 112123200 A CN112123200 A CN 112123200A
Authority
CN
China
Prior art keywords
polishing
waterproof
shaft
locking
tray
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202011039038.1A
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Chinese (zh)
Inventor
赵志荣
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Jingsu Hardware Machinery Co ltd
Original Assignee
Shenzhen Jingsu Hardware Machinery Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shenzhen Jingsu Hardware Machinery Co ltd filed Critical Shenzhen Jingsu Hardware Machinery Co ltd
Priority to CN202011039038.1A priority Critical patent/CN112123200A/en
Publication of CN112123200A publication Critical patent/CN112123200A/en
Pending legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B41/00—Component parts such as frames, beds, carriages, headstocks
    • B24B41/04—Headstocks; Working-spindles; Features relating thereto
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/10—Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. water or fingers

Abstract

The invention discloses a waterproof and dustproof motor spindle polishing head, which relates to the field of polishing equipment and comprises a waterproof cover arranged on a base, wherein the lower end of the waterproof cover is connected with a motor, a locking axis is arranged on an output shaft of the motor, a connecting cavity is arranged in the waterproof cover, a connecting shaft in threaded connection with the locking axis is arranged in the connecting cavity, a connecting part is arranged on the connecting shaft, a polishing tray is connected to the upper end face of the connecting part, a threaded shaft is fixedly arranged in the middle of the lower end face of the polishing tray, a threaded hole corresponding to the connecting shaft is formed in the middle of the connecting part, a polishing piece is arranged on the polishing tray, the axis of the connecting shaft is in line or parallel to the axis of the polishing tray, a pneumatic connector communicated with the connecting cavity is connected. Can effectively prevent the chips generated by polishing water and dust from permeating into the polishing head, and prolong the service life of the polishing head.

Description

Waterproof dustproof motor spindle polishing head
Technical Field
The invention relates to the field of polishing equipment, in particular to a waterproof and dustproof motor spindle polishing head.
Background
Polishers, also known as grinders, are often used for mechanical grinding, polishing, and waxing. The working principle is that a pneumatic sand paper machine is adopted to drive a sponge or wool polishing disc to rotate at a high speed, and the polishing disc and a polishing agent act together and rub the surface to be polished, so that the aims of removing paint surface pollution, an oxidation layer and shallow marks can be achieved.
In the prior art, a robot grabs a product to polish on a polishing head, dust generated in the polishing process and cutting fluid used in the polishing process easily permeate into a base of the polishing head from the connection position of the polishing head and a workbench, and the polishing head works in a severe environment for a long time to easily influence the polishing precision of the polishing head and influence the service life of the polishing head.
Disclosure of Invention
The invention aims to provide a waterproof and dustproof motor spindle polishing head to solve the problems in the background technology.
In order to achieve the purpose, the invention adopts the following technical scheme: a waterproof and dustproof motor spindle polishing head comprises a waterproof cover arranged on a base, wherein the lower end of the waterproof cover is detachably connected with a motor, a locking shaft center is detachably arranged on an output shaft of the motor, an external thread is arranged on the locking shaft center, a connecting cavity is arranged in the waterproof cover, a connecting shaft is arranged in the connecting cavity, an internal thread groove matched with the external thread on the locking shaft center is arranged at the lower end of the connecting shaft, a connecting part is arranged on the connecting shaft, a polishing tray is detachably connected to the upper end surface of the connecting part, a threaded shaft is fixedly arranged in the middle of the lower end surface of the polishing tray, a threaded hole corresponding to the connecting shaft is formed in the middle of the connecting part, a polishing disc is detachably arranged on the polishing tray, the axis of the connecting shaft and the axis of the polishing tray are in the, the side face of the waterproof cover is connected with a pneumatic connector communicated with the connecting cavity, and a motor sealing ring abutted against the upper end face of the motor is embedded in the inner wall of the connecting cavity. The pneumatic connector blows air to the connecting cavity inside the waterproof cover, the lower end face of the waterproof cover is subjected to sealing treatment, the air inside the waterproof cover is blown out towards the polishing tray, and dust and water are prevented from entering the waterproof cover from the upper end of the waterproof cover.
Further, a sealing groove is formed in the lower end face of the waterproof cover and surrounds the supporting table, a lower sealing ring is arranged in the sealing groove and is any one of an oval sealing ring, a special-shaped sealing ring and a circular sealing ring, and the supporting table is convexly arranged in the middle of the lower end face of the waterproof cover. The supporting table is used for supporting the waterproof cover, the lower end face of the waterproof cover is subjected to sealing treatment to improve the air tightness of the lower end of the waterproof cover, and the lower end face of the waterproof cover is provided with the lower sealing ring to improve the waterproof capacity of the lower surface of the waterproof cover.
Furthermore, the output shaft of the motor is connected with the locking shaft center through a locking screw, the output shaft of the motor is provided with a mounting hole, an internal thread corresponding to the locking screw is arranged in the mounting hole, and the locking shaft center is provided with a through hole for the locking screw to penetrate through. The motor and the locking shaft center are connected through the locking screw, and the locking shaft center is convenient to detach.
Furthermore, the upper end of the waterproof cover is detachably provided with a cover plate through an end cover screw, and the cover plate is a circular plate body. Water and flying debris are blocked by installing a cover plate on the waterproof cover.
Further, the diameter of the locking axis is gradually reduced from top to bottom. The locking axle center is big end down, conveniently observes the hookup location of locking axle center and connecting axle when the installation.
Further, a gasket is clamped between the connecting shaft and the locking shaft center, and the gasket comprises a circular body which is coaxial with the polishing tray. A gasket is arranged on the upper end face of the locking shaft center, and the surface locking shaft center impacts other parts when rotating.
Further, when the axis of connecting axle and the axis of the tray of polishing were parallel to each other, the inside off-centre of connecting axle was equipped with the eccentric groove that from top to bottom reduces step by step, connecting portion cup joint in the eccentric groove through the bearing, the connecting portion upper end is equipped with the shaft shoulder with the bearing butt, the gasket is still including setting up in the arc pad of ring body lateral wall, ring body up end and bearing butt, the upper surface butt connecting axle of arc pad, the arc pad lower surface butt locking axle center. The motor drives the locking axis to rotate, the locking axis drives the connecting shaft to rotate, when the connecting shaft rotates, the bearing and the connecting part in the eccentric groove rotate eccentrically around the axis of the connecting shaft, and the eccentric rotation of the connecting part enables the polishing tray on the connecting part to rotate eccentrically.
Furthermore, the upper end of the side wall of the connecting part is provided with a horizontal plate body, the lower surface of the horizontal plate body is provided with a positioning ring, and the upper end face of the connecting shaft is provided with a positioning groove corresponding to the positioning ring. The locating ring and the locating groove are matched with the locating connecting portion to enable the connecting portion to be rapidly installed in the bearing in the eccentric groove.
Further, when the axis of connecting axle and the axis collineation of the tray of polishing, connecting portion and connecting axle integrated into one piece are connected, ring shape body up end and connecting axle butt. The motor drives the locking axis to rotate, the locking axis drives the connecting shaft to rotate, and when the connecting shaft rotates, the connecting part rotates along with the connecting shaft, so that the polishing tray on the connecting part rotates.
Further, the lower surface of the polishing tray is provided with a positioning block, and the positioning block is provided with a slot for embedding the upper end of the connecting part. The positioning block positions the connecting part at the upper end of the connecting shaft, so that the threaded shaft and the threaded hole are aligned conveniently.
The invention has the beneficial effects that: can effectively prevent the chips generated by polishing water and dust from permeating into the polishing head, and prolong the service life of the polishing head.
Drawings
The figures further illustrate the invention, but the examples in the figures do not constitute any limitation of the invention.
Fig. 1 is a schematic structural view of a waterproof and dustproof motor spindle polishing head according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a spindle polishing head of the waterproof and dustproof motor provided in FIG. 1;
FIG. 3 is an enlarged view of a portion of FIG. 1;
fig. 4 is a schematic structural view of a waterproof and dustproof motor spindle polishing head according to an embodiment of the present invention;
FIG. 5 is a schematic structural diagram of a spindle polishing head of the waterproof and dustproof motor provided in FIG. 4;
fig. 6 is a bottom view of a waterproof and dustproof grinding head for a spindle of a motor according to an embodiment of the present invention.
The labels in the figure are: waterproof cover 1, motor 2, locking axle center 3, connecting axle 4, connecting portion 5, tray 6, apron 7, threaded shaft 8, pneumatic joint 9, gasket 10, lower sealing washer 11, motor seal 12, bearing 13 polish.
Detailed Description
The following detailed description of embodiments of the invention refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present.
In the present invention, unless otherwise specified, the terms of orientation such as "upper, lower, left, right" used herein generally refer to the upper, lower, left, and right directions as shown in fig. 1. "inner and outer" refer to the inner and outer portions of a particular contour. "distal and proximal" refer to distal and proximal relative to a component.
Example 1
As shown in fig. 1-3, a waterproof and dustproof motor spindle polishing head provided in an embodiment of the present invention includes a waterproof cover 1 disposed on a machine base, a motor 2 is detachably connected to a lower end of the waterproof cover 1, a locking shaft 3 is detachably disposed on an output shaft of the motor 2, an external thread is disposed on the locking shaft 3, a connection cavity is disposed in the waterproof cover 1, a connection shaft 4 is disposed in the connection cavity, an internal thread groove matched with the external thread on the locking shaft 3 is disposed at a lower end of the connection shaft 4, a connection portion 5 is disposed on the connection shaft 4, a polishing tray 6 is detachably connected to an upper end surface of the connection portion 5, a threaded shaft 8 is fixedly disposed at a middle portion of a lower end surface of the polishing tray 6, a threaded hole corresponding to the connection shaft 4 is disposed at a middle portion of the connection portion 5, a polishing disc is detachably disposed on the polishing tray 6, an axis of the, the connecting cavity is an annular step shape with the diameter gradually increased from top to bottom, the side surface of the waterproof cover 1 is connected with a pneumatic connector 9 communicated with the connecting cavity, the pneumatic connector 9 is connected with an air source pipeline of the polishing machine and is controlled by an electromagnetic stop valve, and a motor 2 sealing ring abutted against the upper end surface of the motor 2 is embedded in the inner wall of the connecting cavity. The pneumatic connector 9 is used for blowing air to the connecting cavity inside the waterproof cover 1, the lower end face of the waterproof cover 1 is subjected to sealing treatment, the air inside the waterproof cover 1 is blown out towards the polishing tray 6, and dust and water are prevented from entering the waterproof cover 1 from the upper end of the waterproof cover 1.
As shown in fig. 6, a sealing groove is formed in the lower end surface of the waterproof cover 1 around the supporting table, a lower sealing ring 11 is arranged in the sealing groove, the lower sealing ring 11 is any one of an elliptical sealing ring, a special-shaped sealing ring and a circular sealing ring, and the supporting table is convexly arranged in the middle of the lower end surface of the waterproof cover 1. The supporting table is used for supporting the waterproof cover 1, the lower end face of the waterproof cover 1 is subjected to sealing treatment to improve the air tightness of the lower end of the waterproof cover 1, and the lower end face of the waterproof cover 1 is provided with the lower sealing ring 11 to improve the waterproof capacity of the lower surface of the waterproof cover 1.
The output shaft of the motor 2 is connected with the locking shaft center 3 through a locking screw, the output shaft of the motor 2 is provided with a mounting hole, an internal thread corresponding to the locking screw is arranged in the mounting hole, and the locking shaft center 3 is provided with a through hole for the locking screw to penetrate through. The motor 2 and the locking shaft center 3 are connected through a locking screw, and the locking shaft center 3 is convenient to disassemble.
The waterproof cover is characterized in that the upper end of the waterproof cover 1 is detachably provided with a cover plate 7 through an end cover screw, and the cover plate 7 is a circular plate body. Water and flying debris are blocked by installing the cover plate 7 on the waterproof cover 1.
The diameter of the locking shaft center 3 is gradually reduced from top to bottom. The locking shaft center 3 is large at the top and small at the bottom, so that the connecting position of the locking shaft center 3 and the connecting shaft 4 can be conveniently observed during installation.
A gasket 10 is clamped between the connecting shaft 4 and the locking shaft center 3, and the gasket 10 comprises a circular body which is coaxial with the polishing tray 6. A gasket 10 is arranged on the upper end surface of the locking shaft center 3, and the surface locking shaft center 3 can strike other parts when rotating.
As shown in fig. 1-3, the axis of connecting axle 4 is parallel to each other with the axis of tray 6 of polishing promptly connecting axle 4 and the eccentric settings of tray 6 of polishing, the inside eccentricity of connecting axle 4 is equipped with the eccentric grove that from top to bottom reduces step by step, connecting portion 5 cup joints in the eccentric inslot through bearing 13, connecting portion 5 upper end is equipped with the shaft shoulder with bearing 13 butt, gasket 10 is still including setting up in the arc pad of ring body lateral wall, ring body up end and bearing 13 butt, surface butt connecting axle 4 is kept up to the arc, arc pad lower surface butt locking axle center 3. The motor 2 drives the locking shaft center 3 to rotate, the locking shaft center 3 drives the connecting shaft 4 to rotate, when the connecting shaft 4 rotates, the bearing 13 and the connecting part 5 in the eccentric groove eccentrically rotate around the axis of the connecting shaft 4, and the connecting part 5 eccentrically rotates to enable the polishing tray 6 on the connecting part 5 to eccentrically rotate.
The upper end of the side wall of the connecting part 5 is provided with a horizontal plate body, the lower surface of the horizontal plate body is provided with a positioning ring, and the upper end face of the connecting shaft 4 is provided with a positioning groove corresponding to the positioning ring. The locating ring and locating groove cooperate to locate the connecting portion 5 so that the connecting portion 5 can be quickly installed in the bearing 13 in the eccentric groove.
Example 2
As shown in fig. 4-5, a waterproof and dustproof motor spindle polishing head according to an embodiment of the present invention includes a waterproof cover 1 disposed on a base, a cover plate 7 is detachably disposed on an upper end of the waterproof cover 1 through an end cover screw, the cover plate 7 is a circular plate, a motor 2 is detachably connected to a lower end of the waterproof cover 1, a locking shaft 3 is detachably disposed on an output shaft of the motor 2, a diameter of the locking shaft 3 is gradually reduced from top to bottom, an external thread is disposed on the locking shaft 3, a connecting cavity is disposed in the waterproof cover 1, a connecting shaft 4 is disposed in the connecting cavity, an internal thread groove matched with the external thread on the locking shaft 3 is disposed at a lower end of the connecting shaft 4, a connecting portion 5 is disposed on the connecting shaft 4, a polishing tray 6 is detachably connected to an upper end surface of the connecting portion 5, and a threaded shaft 8 is fixedly, the threaded hole corresponding with connecting axle 4 is seted up at connecting portion 5 middle part, detachable is equipped with the piece of polishing on the tray 6 of polishing, the axis of connecting axle 4 and the axis collineation of tray 6 of polishing, it is the annular step form that the diameter from top to bottom increases step by step to connect the chamber, 1 side of waterproof cover is connected with and connects the pneumatic joint 9 of chamber intercommunication, and pneumatic joint 9 is connected and is controlled through the electromagnetism stop valve with the air supply pipeline of burnishing machine, connect the intracavity wall and inlay the motor 2 sealing washer that is equipped with the 2 up end butts of motor.
As shown in fig. 6, a sealing groove is formed in the lower end surface of the waterproof cover 1 around the supporting table, a lower sealing ring 11 is arranged in the sealing groove, the lower sealing ring 11 is any one of an elliptical sealing ring, a special-shaped sealing ring and a circular sealing ring, and the supporting table is convexly arranged in the middle of the lower end surface of the waterproof cover 1.
The output shaft of the motor 2 is connected with the locking shaft center 3 through a locking screw, the output shaft of the motor 2 is provided with a mounting hole, an internal thread corresponding to the locking screw is arranged in the mounting hole, and the locking shaft center 3 is provided with a through hole for the locking screw to penetrate through.
A gasket 10 is clamped between the connecting shaft 4 and the locking shaft center 3, and the gasket 10 comprises a circular body which is coaxial with the polishing tray 6.
The axis of connecting axle 4 and the axis collineation of tray 6 of polishing, connecting portion 5 is connected with connecting axle 4 integrated into one piece, ring shape body up end and bearing 13 butt connecting axle 4 butt. The motor 2 drives the locking shaft center 3 to rotate, the locking shaft center 3 drives the connecting shaft 4 to rotate, and when the connecting shaft 4 rotates, the connecting part 5 rotates along with the connecting shaft 4, so that the polishing tray 6 on the connecting part 5 rotates.
Example 3
The invention provides a waterproof and dustproof motor spindle polishing head which comprises a waterproof cover 1 arranged on a machine base, wherein the upper end of the waterproof cover 1 is detachably provided with a cover plate 7 through an end cover screw, the cover plate 7 is a circular plate body, the lower end of the waterproof cover 1 is detachably connected with a motor 2, an output shaft of the motor 2 is detachably provided with a locking shaft center 3, the diameter of the locking shaft center 3 is gradually reduced from top to bottom, an external thread is arranged on the locking shaft center 3, a connecting cavity is arranged in the waterproof cover 1, a connecting shaft 4 is arranged in the connecting cavity, the lower end of the connecting shaft 4 is provided with an internal thread groove matched with the external thread on the locking shaft center 3, a connecting part 5 is arranged on the connecting shaft 4, the upper end surface of the connecting part 5 is detachably connected with a polishing tray 6, the middle part of the lower end surface of the polishing tray 6 is fixedly provided with, the detachable is equipped with the polishing piece on the tray 6 of polishing, the axis of connecting axle 4 and the axis collineation of tray 6 of polishing or be parallel to each other, connect the chamber for the diameter from top to bottom increase annular step form step by step, 1 side of waterproof cover is connected with and is connected the pneumatic joint 9 of chamber intercommunication, and pneumatic joint 9 is connected and is controlled through the electromagnetism stop valve with the air supply pipeline of burnishing machine, connect the intracavity wall inlay be equipped with the 2 sealing washers of motor of 2 up end butts of motor.
The lower surface of the polishing tray 6 is provided with a positioning block, and the positioning block is provided with a slot for embedding the upper end of the connecting part 5. The positioning block positions the connecting part 5 at the upper end of the connecting shaft 4, so that the threaded shaft 8 is aligned with the threaded hole.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (10)

1. The utility model provides a waterproof dustproof motor main shaft head of polishing which characterized in that: the polishing machine comprises a waterproof cover arranged on a machine base, wherein the lower end of the waterproof cover is detachably connected with a motor, a locking shaft center is detachably arranged on an output shaft of the motor, an external thread is arranged on the locking shaft center, a connecting cavity is arranged in the waterproof cover, a connecting shaft is arranged in the connecting cavity, an internal thread groove matched with the external thread on the locking shaft center is arranged at the lower end of the connecting shaft, a connecting part is arranged on the connecting shaft, a polishing tray is detachably connected to the upper end surface of the connecting part, a threaded shaft is fixedly arranged in the middle of the lower end surface of the polishing tray, a threaded hole corresponding to the connecting shaft is formed in the middle of the connecting part, a polishing sheet is detachably arranged on the polishing tray, the axis of the connecting shaft is in line with or parallel to the axis of the polishing tray, the connecting cavity is an, and a motor sealing ring which is abutted against the upper end surface of the motor is embedded in the inner wall of the connecting cavity.
2. The waterproof and dustproof motor spindle grinding head according to claim 1, which is characterized in that: the lower end face of the waterproof cover is provided with a sealing groove surrounding the supporting table, a lower sealing ring is arranged in the sealing groove and is any one of an oval sealing ring, a special-shaped sealing ring and a circular sealing ring, and the supporting table is convexly arranged in the middle of the lower end face of the waterproof cover.
3. The waterproof and dustproof motor spindle grinding head according to claim 1, which is characterized in that: the output shaft of the motor is connected with the locking shaft center through a locking screw, the output shaft of the motor is provided with a mounting hole, an internal thread corresponding to the locking screw is arranged in the mounting hole, and the locking shaft center is provided with a through hole for the locking screw to penetrate through.
4. The waterproof and dustproof motor spindle grinding head according to claim 1, which is characterized in that: the waterproof cover upper end can be dismantled through the end cover screw and be equipped with the apron, the apron is the ring plate body.
5. The waterproof and dustproof motor spindle grinding head according to claim 1, which is characterized in that: the diameter of the locking axis is gradually reduced from top to bottom.
6. The waterproof and dustproof motor spindle grinding head according to claim 1, which is characterized in that: the connecting shaft is connected with the locking shaft center in a clamped mode, and the locking shaft center is connected with the connecting shaft in a locked mode.
7. The waterproof and dustproof motor spindle grinding head according to claim 6, which is characterized in that: when the axis of connecting axle and the axis of the tray of polishing are parallel to each other, the inside off-centre of connecting axle is equipped with the eccentric tank that from top to bottom reduces step by step, connecting portion cup joint in the eccentric tank through the bearing, the connecting portion upper end is equipped with the shaft shoulder with the bearing butt, the gasket is still including setting up in the arc pad of ring body lateral wall, ring body up end and bearing butt, the upper surface butt connecting axle is filled up to the arc, arc pad lower surface butt locking axle center.
8. The waterproof and dustproof motor spindle grinding head according to claim 7, which is characterized in that: the connecting portion lateral wall upper end is equipped with the horizontal plate body, water piece plate body lower surface is equipped with the holding ring, connecting axle up end is equipped with the constant head tank corresponding with the holding ring.
9. The waterproof and dustproof motor spindle grinding head according to claim 6, which is characterized in that: when the axis of connecting axle and the axis collineation of the tray of polishing, connecting portion and connecting axle integrated into one piece are connected, ring shape body up end and connecting axle butt.
10. The waterproof and dustproof motor spindle polishing head according to claim 7 or 9, which is characterized in that: the lower surface of the polishing tray is provided with a positioning block, and the positioning block is provided with a slot for embedding the upper end of the connecting part.
CN202011039038.1A 2020-09-28 2020-09-28 Waterproof dustproof motor spindle polishing head Pending CN112123200A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011039038.1A CN112123200A (en) 2020-09-28 2020-09-28 Waterproof dustproof motor spindle polishing head

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011039038.1A CN112123200A (en) 2020-09-28 2020-09-28 Waterproof dustproof motor spindle polishing head

Publications (1)

Publication Number Publication Date
CN112123200A true CN112123200A (en) 2020-12-25

Family

ID=73841024

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011039038.1A Pending CN112123200A (en) 2020-09-28 2020-09-28 Waterproof dustproof motor spindle polishing head

Country Status (1)

Country Link
CN (1) CN112123200A (en)

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