CN108015674B - Grinding device - Google Patents

Grinding device Download PDF

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Publication number
CN108015674B
CN108015674B CN201610962505.5A CN201610962505A CN108015674B CN 108015674 B CN108015674 B CN 108015674B CN 201610962505 A CN201610962505 A CN 201610962505A CN 108015674 B CN108015674 B CN 108015674B
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China
Prior art keywords
abrasive
belt
cleaning
grinding
state
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CN201610962505.5A
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CN108015674A (en
Inventor
赵寅初
许安龙
汪琳琳
钱志禹
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BOE Technology Group Co Ltd
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BOE Technology Group Co Ltd
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Priority to CN201610962505.5A priority Critical patent/CN108015674B/en
Priority to PCT/CN2017/084041 priority patent/WO2018082279A1/en
Priority to EP17818418.0A priority patent/EP3535094A4/en
Priority to US15/578,422 priority patent/US20180297171A1/en
Publication of CN108015674A publication Critical patent/CN108015674A/en
Application granted granted Critical
Publication of CN108015674B publication Critical patent/CN108015674B/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B53/00Devices or means for dressing or conditioning abrasive surfaces
    • B24B53/10Devices or means for dressing or conditioning abrasive surfaces of travelling flexible backings coated with abrasives; Cleaning of abrasive belts
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B21/00Machines or devices using grinding or polishing belts; Accessories therefor
    • B24B21/04Machines or devices using grinding or polishing belts; Accessories therefor for grinding plane surfaces
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B21/00Machines or devices using grinding or polishing belts; Accessories therefor
    • B24B21/18Accessories

Abstract

The present invention provides a grinding apparatus, comprising: a grinding belt; and a driving mechanism for driving the grinding belt to move; the grinding device further includes: an abrasive belt cleaning mechanism for cleaning the abrasive belt. The grinding device provided by the invention can clean the grinding surface of the grinding belt by arranging the grinding belt cleaning mechanism, remove residual dirt, foreign matters and the like on the surface of the grinding belt and improve the cleanliness of the grinding belt, thereby avoiding secondary pollution or secondary damage to a piece to be ground, improving the utilization rate of the grinding belt, improving the grinding and cleaning effects and improving the yield of products.

Description

Grinding device
Technical Field
The invention relates to the technical field of display manufacturing, in particular to a grinding device.
Background
In the display manufacturing process, the surface of the glass substrate needs to be cleaned before the polarizer is attached, so as to ensure the yield of the polarizer attached.
In the prior art, the surface of a glass substrate is mainly cleaned by a grinding belt cleaning mode. Fig. 1 is a schematic structural diagram of a glass substrate polishing and cleaning machine commonly used in the display manufacturing industry. As shown in fig. 1, the polishing and cleaning machine mainly includes an annular polishing belt, a driving mechanism for driving the polishing belt to move, and a polishing and cleaning head, wherein the driving mechanism drives the polishing belt to rotate to polish the glass substrate, the polishing and cleaning head is disposed at the upper end of the working area of the polishing belt, and the polishing and cleaning head sprays two fluids of high-pressure water vapor to provide polishing pressure to the polishing belt, so that the polishing belt and the glass substrate are rubbed at high speed to achieve the cleaning effect.
However, when the existing glass substrate grinding and cleaning machine is used for cleaning for a long time, a large amount of dirt and glue substances are accumulated on the surface of the grinding belt, the cleaning effect of the glass substrate is reduced when the glass substrate is cleaned again, and the residual glue on the surface of the grinding belt is rubbed with the surface of the glass substrate when the glass substrate is seriously cleaned, so that the secondary pollution of the glass substrate is caused; moreover, the grinding belt commonly used in the TFT-LCD industry is made of aluminum oxide, grinding particles are protruded on the surface of the grinding belt, hard tiny foreign matters and glass scraps are easily embedded into the grinding belt base belt or clamped into the grinding particles under the action of pressure, and when the grinding belt is used for grinding again, the grinding belt rotates along with friction of the grinding belt, the probability of being embedded into the base belt is high, and further when the glass base is cleaned again, the surface of the glass base is easily scratched, and secondary damage is caused.
Disclosure of Invention
The invention aims to provide a grinding device which can avoid secondary pollution to a substrate caused by dirt on the surface of a grinding belt and the existence of residual glue and solve the problem that the substrate is scratched due to the embedding of hard foreign matters and glass scraps into grinding belt particles.
The technical scheme provided by the invention is as follows:
a grinding apparatus comprising: a grinding belt; and a driving mechanism for driving the grinding belt to move; the grinding device further includes: an abrasive belt cleaning mechanism for cleaning the abrasive belt.
Further, the abrasive tape has an abrasive side and a non-abrasive side opposite the abrasive side;
the abrasive belt cleaning mechanism includes:
a cleaning portion for contacting a polishing surface of the polishing tape to clean the polishing surface of the polishing tape, the cleaning portion being located on a side of the polishing surface of the polishing tape;
and the supporting part is used for contacting with the non-grinding surface of the grinding belt so as to support the grinding belt and provide contact pressure between the cleaning part and the grinding belt, and the supporting part is positioned on one side of the non-grinding surface of the grinding belt and at the position corresponding to the cleaning part.
Further, the cleaning portion includes:
the cleaning roller is used for rolling friction on the grinding surface of the grinding belt so as to clean the grinding surface of the grinding belt, and the rolling direction of the cleaning roller is consistent with the movement direction of the grinding belt;
the roller driving structure is used for driving the cleaning roller to roll;
the roller moving structure is used for controlling the cleaning roller to be switched between a first state and a second state; wherein, in the first state, the cleaning roller contacts with the grinding surface of the grinding belt to clean the grinding surface of the grinding belt; in the second state, the cleaning roller is not in contact with the abrasive surface of the abrasive belt.
Further, the cleaning portion further includes: the first control unit is used for controlling the working state of the roller moving structure, so that the roller moving structure controls the cleaning roller to be switched between the first state and the second state according to a first preset period.
Further, the cleaning portion includes:
a cleaning brush contactable on an abrasive surface of the abrasive belt to clean the abrasive surface of the abrasive belt, the abrasive surface of the abrasive belt having a plurality of abrasive particles thereon, the cleaning brush having bristles embeddable into gaps between the plurality of abrasive particles;
the cleaning brush moving structure is used for controlling the cleaning brush to be switched between a third state and a fourth state; wherein in the third state, the cleaning brush is in contact with the abrasive surface of the abrasive belt to clean the abrasive surface of the abrasive belt; in the fourth state, the cleaning brush is not in contact with the abrasive surface of the abrasive belt.
Further, the cleaning portion further includes: and the spraying structure is used for spraying cleaning fluid on the grinding surface of the grinding belt so as to wash the grinding surface of the grinding belt.
Further, the spraying structure comprises a plurality of spraying holes arranged on the cleaning brush.
Further, the cleaning portion further includes: and the second control unit is used for controlling the working state of the cleaning brush moving structure, so that the cleaning brush moving structure controls the cleaning brush to be switched between the third state and the fourth state according to a second preset period.
Further, the support portion includes:
a support roller capable of rolling on a non-abrasive surface of the abrasive belt;
the supporting roller control mechanism is used for controlling the supporting roller to switch between a fifth state and a sixth state according to a third preset period so as to provide supporting acting force for the grinding belt;
wherein in the fifth state, the support roller is in contact with the abrasive surface of the abrasive tape to provide a supporting force to the abrasive tape; in the sixth state, the support roller is not in contact with the non-abrasive side of the abrasive belt.
Further, the grinding device further comprises: and a grinding head disposed on one side of the grinding belt for providing the grinding belt with a contact pressure with a member to be ground.
A method of grinding with a grinding apparatus as described above, the method comprising:
the driving mechanism drives the grinding belt to move, and the grinding belt cleaning mechanism is used for cleaning the grinding belt.
Further, in the method, the working state of the roller moving structure is controlled, so that the roller moving structure controls the cleaning roller to switch between the first state and the second state according to a first preset period; wherein in the first state, the cleaning roller contacts the abrasive surface of the abrasive tape to clean the abrasive surface of the abrasive tape; in the second state, the cleaning roller is not in contact with the abrasive surface of the abrasive belt.
Further, in the method, the first step of the method,
controlling the working state of the cleaning brush moving structure, so that the cleaning brush moving structure controls the cleaning brush to switch between the third state and the fourth state according to a second preset period; wherein in the third state the cleaning brush is in contact with the abrasive surface of the abrasive tape to clean the abrasive surface of the abrasive tape; in the fourth state, the cleaning brush is not in contact with the abrasive surface of the abrasive belt.
Further, in the method, the first step of the method,
controlling the supporting roller to switch between a fifth state and a sixth state according to a third preset period so as to provide supporting acting force for the grinding belt; wherein in the fifth state, the support roller is in contact with the abrasive surface of the abrasive tape to provide a supporting force to the abrasive tape; in the sixth state, the support roller is not in contact with the non-abrasive side of the abrasive belt.
The beneficial effects brought by the invention are as follows:
the grinding device provided by the invention can clean the grinding surface of the grinding belt by arranging the grinding belt cleaning mechanism, remove residual dirt, foreign matters and the like on the surface of the grinding belt and improve the cleanliness of the grinding belt, thereby avoiding secondary pollution or secondary damage to a piece to be ground, improving the utilization rate of the grinding belt, improving the grinding and cleaning effects and improving the yield of products.
Drawings
FIG. 1 is a schematic view of an overall structure of a polishing apparatus according to an embodiment of the present invention;
FIG. 2 is a schematic view of a partial structure of a polishing apparatus according to an embodiment of the present invention;
fig. 3 is a schematic partial structural view of a polishing apparatus according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the invention, are within the scope of the invention.
The invention provides a grinding device, which can avoid secondary pollution to a substrate due to the existence of dirt and residual glue on the surface of a grinding belt of grinding equipment in the prior art and solve the problem of scratching the substrate due to the embedding of hard foreign matters and glass debris into grinding belt particles.
As shown in fig. 1, the polishing apparatus provided in the embodiment of the present invention includes:
an abrasive belt 100;
a driving mechanism 200 for driving the grinding belt 100 to move;
a grinding head 500 provided at one side of the grinding belt 100 for providing a contact pressure with a member to be ground to the grinding belt 100;
and an abrasive belt cleaning mechanism for cleaning the abrasive belt 100.
The grinding device provided by the invention can utilize the grinding belt cleaning mechanism to clean the grinding surface of the grinding belt 100 in the movement process of the grinding belt 100 so as to remove residual dirt, foreign matters and the like on the surface of the grinding belt 100 and improve the cleanliness of the grinding belt 100, thereby avoiding secondary pollution or secondary scratch to a workpiece to be ground, improving the utilization rate of the grinding belt 100, improving the grinding and cleaning effects and improving the yield of products.
It should be noted that the polishing belt 100 may be in a ring shape around one circle and rotate under the driving of the driving mechanism 200, and when any part of the polishing belt 100 moves to a region corresponding to the polishing head 500, that is, a working region of the polishing belt, it may contact with a member to be polished to polish the member to be polished, preferably, as shown in fig. 1, the polishing belt cleaning mechanism is disposed at a position not corresponding to the polishing head 500, that is, the polishing belt cleaning mechanism is disposed in a non-polishing region outside the polishing region of the polishing belt 100. With the above-described configuration, the member to be polished can be polished by the polishing region of the polishing tape 100, and the polishing tape can be cleaned by the polishing tape cleaning mechanism in the non-polishing region of the polishing tape 100.
Further, in the embodiment provided by the present invention, it is preferable that, as shown in fig. 1 to 3, the abrasive belt 100 has an abrasive face and a non-abrasive face opposite to the abrasive face;
the abrasive belt cleaning mechanism includes:
a cleaning portion for contacting the polishing surface of the polishing tape 100 to clean the polishing surface of the polishing tape 100, the cleaning portion being located on the polishing surface side of the polishing tape 100;
a support portion for contacting the non-abrasive surface of the abrasive belt 100 to support the abrasive belt 100 so as to provide a contact pressure between the cleaning portion and the abrasive belt 100, the support portion being located at a position corresponding to the cleaning portion and on the non-abrasive surface side of the abrasive belt 100.
With the above-mentioned solution, the supporting portion is disposed to contact with the non-polishing surface of the polishing belt 100 to support the polishing belt 100, so that when the cleaning portion contacts with the polishing surface of the polishing belt 100 for cleaning, a contact pressure (i.e., a back pressure is provided) is provided between the polishing belt 100 and the cleaning portion, thereby achieving the purpose of cleaning the polishing surface of the polishing belt 100.
In the embodiment provided by the present invention, preferably, as shown in fig. 1 to 3, the cleaning portion includes:
a cleaning roller 301 for rolling friction on the abrasive surface of the abrasive belt 100 to clean the abrasive surface of the abrasive belt 100, wherein the rolling direction of the cleaning roller 301 is the same as the moving direction of the abrasive belt 100;
the roller driving structure is used for driving the cleaning roller 301 to roll;
a roller moving structure 302 for controlling the cleaning roller 301 to switch between a first state and a second state;
wherein, in the first state, the cleaning roller 301 is in contact with the polishing surface of the polishing belt 100 to clean the polishing surface of the polishing belt 100; in the second state, the cleaning roller 301 is not in contact with the abrasive surface of the abrasive belt 100.
In the above-mentioned solution, the cleaning portion may adopt a cleaning roller 301, the rolling direction of the cleaning roller 301 is consistent with the moving direction of the polishing belt 100, that is, the tangential moving direction of the contact portion of the cleaning roller 301 and the polishing surface of the polishing belt 100 is consistent with the moving direction of the polishing belt 100, and the surface contamination and residual glue on the polishing surface of the polishing belt 100 are cleaned by the high-speed friction of the cleaning roller 301; further, in the above-mentioned solution, the roller moving structure 302 controls the cleaning roller 301 to move, so as to move the cleaning roller 301 to the first state when the polishing belt 100 needs to be cleaned, and move the cleaning roller 301 to the second state when the polishing belt 100 does not need to be cleaned.
It should be noted that, in the above embodiments, the cleaning portion employs the cleaning roller 301, which has the advantages of simple structure, good cleaning effect, convenient operation, and being capable of cleaning dirt and colloid on the surface of the polishing belt 100.
In addition, it should be noted that, in the above-mentioned embodiment, the roller moving structure 302 may include an air cylinder connected to the cleaning roller 301, but it should be understood that, in other embodiments of the present invention, the cleaning roller 301 may be driven by a driving motor, etc., but the air cylinder is used to drive the cleaning roller 301 to move, and since the working environment of the polishing belt 100 has a liquid such as a cleaning liquid, etc., the air cylinder has a longer service life than the driving motor.
Further, in the embodiment provided by the present invention, preferably, the cleaning portion further includes: a first control unit, configured to control an operating state of the roller moving structure 302, so that the roller moving structure 302 controls the cleaning roller 301 to switch between the first state and the second state according to a first preset period.
By adopting the scheme, the working period of the cleaning roller 301 can be preset, and after the preset cleaning period is reached (the empirical value is 500pcs, and the adjustment is carried out according to the production condition), the cleaning roller 301 is driven by the air cylinder to advance, so that the grinding belt 100 is cleaned; after the cleaning of the polishing belt 100 is finished, the cleaning roller 301 is driven by the air cylinder to move back to be in a standby state.
In the embodiment provided by the present invention, preferably, as shown in fig. 1 to 3, the cleaning portion includes:
a cleaning brush 303 contactable on an abrasive surface of the abrasive belt 100 to clean the abrasive surface of the abrasive belt 100, the abrasive surface of the abrasive belt 100 having a plurality of abrasive grains thereon, the cleaning brush 303 having bristles 3031 insertable into gaps between the plurality of abrasive grains;
a cleaning brush moving structure 304 for controlling the cleaning brush 303 to switch between a third state and a fourth state; wherein when the cleaning brush 303 is in the third state, the cleaning brush 303 is in contact with the abrasive surface of the abrasive belt 100 to clean the abrasive surface of the abrasive belt 100; when the cleaning brush 303 is in the fourth state, the cleaning brush 303 is not in contact with the abrasive surface of the abrasive belt 100.
In the above solution, the cleaning part may also adopt a cleaning brush 303, and since the polishing belt 100 is in motion, the cleaning brush 303 rubs the polishing surface of the polishing belt 100 at high speed, so as to clean the surface of the polishing belt 100 by embedding hard tiny foreign matters or glass debris; further, in the above-described aspect, the cleaning brush moving mechanism 304 controls the movement of the cleaning brush 303 to move the cleaning brush 303 to the third state when the cleaning of the polishing belt 100 is required, and to move the cleaning brush 303 to the fourth state when the cleaning of the polishing belt 100 is not required.
It should be noted that, in the above embodiments, the cleaning portion employs the cleaning roller 301, which has the advantages of simple structure, good cleaning effect, convenient operation, and being capable of cleaning dirt and colloid on the surface of the polishing belt 100.
In addition, it should be noted that, in the above-mentioned embodiment, the cleaning brush moving structure 304 may include an air cylinder connected to the cleaning brush 303, but it should be understood that, in other embodiments of the present invention, the cleaning roller 301 may be driven by a driving motor or the like, but the cleaning brush 303 may be driven by the air cylinder to move, because the working environment of the abrasive belt 100 has liquid such as cleaning liquid, the air cylinder has a longer service life than the driving motor.
Further, in the embodiment provided by the present invention, preferably, the cleaning portion further includes: a second control unit, configured to control an operating state of the cleaning brush moving structure 304, so that the cleaning brush moving structure 304 controls the cleaning brush 303 to switch between the third state and the fourth state according to a second preset period.
By adopting the scheme, the working period of the cleaning brush 303 can be preset, and after the preset cleaning period is reached (the empirical value is 500pcs, and the cleaning period is adjusted according to the production condition), the cleaning brush 303 is driven by the air cylinder to move forward to clean the grinding belt 100; after the cleaning of the polishing belt 100 is finished, the cleaning brush 303 is driven by the air cylinder to move back to be in a standby state.
In the embodiment provided by the present invention, preferably, as shown in fig. 1, the cleaning part further includes: the spraying structure 305 is used for spraying a cleaning solution onto the polishing surface of the polishing belt 100 to wash the polishing surface of the polishing belt 100.
In the above scheme, by providing the spraying structure 305, a cleaning solution is sprayed onto the polishing surface of the polishing belt 100 to wash the polishing surface of the polishing belt 100, so as to improve the cleaning effect.
In the above embodiment, the spraying structure 305 may be disposed after the cleaning process of the cleaning roller 301 and the cleaning brush 303, or may be cleaned simultaneously with the cleaning roller 301 or the cleaning brush 303.
In the preferred embodiment of the present invention, as shown in fig. 3, the spraying structure 305 and the cleaning brush 303 are integrated into a single structure, wherein a plurality of spraying holes 3051 are formed on the cleaning brush 303, and the plurality of spraying holes 3051 are arranged in a row.
Further, in a preferred embodiment provided by the present invention, as shown in fig. 1 to 3, the support portion includes:
a support roller 401 capable of rolling on the non-abrasive surface of the abrasive belt 100;
and a supporting roller control mechanism 402 for controlling the supporting roller 401 to switch between a fifth state and a sixth state according to a third preset period, so as to provide a supporting force to the abrasive belt 100;
wherein when the support roller 401 is in the fifth state, the support roller 401 is in contact with the abrasive surface of the abrasive belt 100 to provide a supporting force to the abrasive belt 100; when the cleaning brush 303 is in the sixth state, the support roller 401 is not in contact with the non-abrasive surface of the abrasive belt 100.
By adopting the scheme, the working period of the supporting roller 401 can be preset, and after the set cleaning period is reached, the supporting roller 401 is driven by the air cylinder to advance to support the grinding belt 100; after the cleaning of the polishing belt 100 is finished, the supporting roller 401 is driven by the cylinder to move back to be in a standby state.
In addition, it should be noted that, in the preferred embodiment provided by the present invention, at least two supporting rollers 401 may be disposed in the supporting portion, wherein the position of at least one supporting roller 401 corresponds to the position of the cleaning roller 301, and the position of at least another supporting roller 401 corresponds to the position of the cleaning brush.
The operation of the grinding device in the preferred embodiment provided by the present invention is described below:
the duty cycle of the cleaning roller 301 is controlled by the first control unit, the duty cycle of the cleaning brush 303 and the spray structure 305 is controlled by the second control unit, the working period of the supporting roller 401 is controlled by the supporting roller control mechanism 402, when the set working period is reached, the supporting roller 401 is driven by the cylinder to advance, such that the support roller 401 is in contact with the non-abrasive side of the abrasive belt 100, to provide back pressure, the cleaning roller 301 is driven by the air cylinder to advance to contact with the grinding surface of the grinding belt 100, the cleaning brush 303 is advanced by the air cylinder to contact the abrasive surface of the abrasive belt 100, at the same time, the spraying structure 305 sprays the cleaning solution, at this time, the polishing belt 100 rotates at a high speed, and rubs against the cleaning roller 301 and the cleaning brush 303 at a high speed, thereby achieving the effect of cleaning the polishing belt 100, and the cleaning solution can improve the cleaning effect.
In the above-described embodiment, the cleaning roller 301 and the cleaning brush 303 may be used simultaneously in the cleaning portion, or one of them may be selectively used to clean the polishing belt 100.
In addition, it should be noted that the polishing apparatus provided by the embodiment of the invention can be used in TFT-LCD industry for cleaning substrates, and can also be applied in other fields.
In addition, the embodiment of the invention also provides a method for grinding by using the grinding device, which comprises the following steps:
the driving mechanism 200 drives the polishing belt 100 to move, and the polishing belt cleaning mechanism cleans the polishing belt 100.
Further, in the method, the working state of the roller moving structure 302 is controlled, so that the roller moving structure 302 controls the cleaning roller 301 to switch between the first state and the second state according to a first preset period; wherein in the first state, the cleaning roller 301 is in contact with the abrasive surface of the abrasive belt 100 to clean the abrasive surface of the abrasive belt 100; in the second state, the cleaning roller 301 is not in contact with the abrasive surface of the abrasive belt 100.
Further, in the method, the working state of the cleaning brush moving structure 304 is controlled, so that the cleaning brush moving structure 304 controls the cleaning brush 303 to switch between the third state and the fourth state according to a second preset period; wherein in the third state, the cleaning brush 303 is in contact with the abrasive surface of the abrasive belt 100 to clean the abrasive surface of the abrasive belt 100; in the fourth state, the cleaning brush 303 is not in contact with the abrasive surface of the abrasive belt 100.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.

Claims (11)

1. A grinding apparatus comprising: a grinding belt; and a driving mechanism for driving the grinding belt to move; characterized in that, the grinding device still includes: an abrasive belt cleaning mechanism for cleaning the abrasive belt;
the grinding device further includes: a grinding head provided on one side of the grinding belt for providing the grinding belt with a contact pressure with a member to be ground;
the abrasive tape has an abrasive face and a non-abrasive face opposite the abrasive face;
the abrasive belt cleaning mechanism includes:
a cleaning portion for contacting a polishing surface of the polishing tape to clean the polishing surface of the polishing tape, the cleaning portion being located on a side of the polishing surface of the polishing tape;
a supporting portion for contacting with a non-abrasive surface of the abrasive belt to support the abrasive belt to provide a contact pressure with the cleaning portion to the abrasive belt, the supporting portion being located at a position corresponding to the cleaning portion on a side of the non-abrasive surface of the abrasive belt;
the support portion includes:
a support roller capable of rolling on a non-abrasive surface of the abrasive belt;
the supporting roller control mechanism is used for controlling the supporting roller to switch between a fifth state and a sixth state according to a third preset period so as to provide supporting acting force for the grinding belt;
wherein in the fifth state, the support roller is in contact with the abrasive surface of the abrasive tape to provide a supporting force to the abrasive tape; in the sixth state, the support roller is not in contact with the non-abrasive side of the abrasive belt.
2. The abrading device of claim 1,
the cleaning portion includes:
the cleaning roller is used for rolling friction on the grinding surface of the grinding belt so as to clean the grinding surface of the grinding belt, and the rolling direction of the cleaning roller is consistent with the movement direction of the grinding belt;
the roller driving structure is used for driving the cleaning roller to roll;
the roller moving structure is used for controlling the cleaning roller to be switched between a first state and a second state; wherein, in the first state, the cleaning roller contacts with the grinding surface of the grinding belt to clean the grinding surface of the grinding belt; and a second state in which the cleaning roller is not in contact with the abrasive surface of the abrasive belt.
3. The abrading device of claim 2,
the cleaning portion further includes: the first control unit is used for controlling the working state of the roller moving structure, so that the roller moving structure controls the cleaning roller to be switched between the first state and the second state according to a first preset period.
4. The abrading device of claim 1,
the cleaning portion includes:
a cleaning brush contactable on an abrasive surface of the abrasive belt to clean the abrasive surface of the abrasive belt, the abrasive surface of the abrasive belt having a plurality of abrasive particles thereon, the cleaning brush having bristles embeddable into gaps between the plurality of abrasive particles;
the cleaning brush moving structure is used for controlling the cleaning brush to be switched between a third state and a fourth state; wherein in the third state, the cleaning brush is in contact with the abrasive surface of the abrasive belt to clean the abrasive surface of the abrasive belt; a fourth state in which the cleaning brush is not in contact with the abrasive surface of the abrasive belt.
5. The grinding apparatus according to any one of claims 1 to 4,
the cleaning portion further includes: and the spraying structure is used for spraying cleaning fluid on the grinding surface of the grinding belt so as to wash the grinding surface of the grinding belt.
6. The abrading device of claim 5,
the spraying structure comprises a plurality of spraying holes arranged on the cleaning brush.
7. The abrading device of claim 4,
the cleaning portion further includes: and the second control unit is used for controlling the working state of the cleaning brush moving structure, so that the cleaning brush moving structure controls the cleaning brush to be switched between the third state and the fourth state according to a second preset period.
8. A method of grinding using the grinding apparatus of any one of claims 1 to 7, comprising:
and driving the grinding belt to move by using the driving mechanism, and cleaning the grinding belt by using the grinding belt cleaning mechanism.
9. The method of claim 8, wherein the operating state of the roller moving structure is controlled such that the roller moving structure controls the cleaning roller to switch between the first state and the second state according to a first preset period; wherein in the first state, the cleaning roller contacts the abrasive surface of the abrasive tape to clean the abrasive surface of the abrasive tape; in the second state, the cleaning roller is not in contact with the abrasive surface of the abrasive belt.
10. The method according to claim 8, wherein in the method,
controlling the working state of the cleaning brush moving structure so that the cleaning brush moving structure controls the cleaning brush to switch between a third state and a fourth state according to a second preset period; wherein in the third state the cleaning brush is in contact with the abrasive surface of the abrasive tape to clean the abrasive surface of the abrasive tape; in the fourth state, the cleaning brush is not in contact with the abrasive surface of the abrasive belt.
11. The method according to claim 8, wherein in the method,
controlling the supporting roller to switch between a fifth state and a sixth state according to a third preset period so as to provide supporting acting force for the grinding belt; wherein in the fifth state, the support roller is in contact with the abrasive surface of the abrasive tape to provide a supporting force to the abrasive tape; in the sixth state, the support roller is not in contact with the non-abrasive side of the abrasive belt.
CN201610962505.5A 2016-11-04 2016-11-04 Grinding device Active CN108015674B (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CN201610962505.5A CN108015674B (en) 2016-11-04 2016-11-04 Grinding device
PCT/CN2017/084041 WO2018082279A1 (en) 2016-11-04 2017-05-12 Grinding apparatus
EP17818418.0A EP3535094A4 (en) 2016-11-04 2017-05-12 Grinding apparatus
US15/578,422 US20180297171A1 (en) 2016-11-04 2017-05-12 Grinding apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610962505.5A CN108015674B (en) 2016-11-04 2016-11-04 Grinding device

Publications (2)

Publication Number Publication Date
CN108015674A CN108015674A (en) 2018-05-11
CN108015674B true CN108015674B (en) 2020-03-31

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US (1) US20180297171A1 (en)
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WO2018082279A1 (en) 2018-05-11
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EP3535094A4 (en) 2020-07-08
CN108015674A (en) 2018-05-11

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