CN111558867A - Toughened glass plate grinding device - Google Patents

Toughened glass plate grinding device Download PDF

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Publication number
CN111558867A
CN111558867A CN202010275800.XA CN202010275800A CN111558867A CN 111558867 A CN111558867 A CN 111558867A CN 202010275800 A CN202010275800 A CN 202010275800A CN 111558867 A CN111558867 A CN 111558867A
Authority
CN
China
Prior art keywords
glass plate
plate
belt wheel
rotating shaft
polishing device
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
CN202010275800.XA
Other languages
Chinese (zh)
Inventor
安长虎
安群朋
李新朝
李志�
张新磊
彭利
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.)
Linquan County Qianggang Toughened Glass Co ltd
Original Assignee
Linquan County Qianggang Toughened Glass 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 Linquan County Qianggang Toughened Glass Co ltd filed Critical Linquan County Qianggang Toughened Glass Co ltd
Priority to CN202010275800.XA priority Critical patent/CN111558867A/en
Publication of CN111558867A publication Critical patent/CN111558867A/en
Pending legal-status Critical Current

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Classifications

    • 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
    • B24B9/00Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor
    • B24B9/02Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground
    • B24B9/06Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain
    • B24B9/08Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain of glass
    • B24B9/10Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain of glass of plate glass
    • B24B9/102Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain of glass of plate glass for travelling sheets
    • 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
    • B24B27/00Other grinding machines or devices
    • B24B27/0076Other grinding machines or devices grinding machines comprising two or more grinding tools
    • 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
    • B24B41/00Component parts such as frames, beds, carriages, headstocks
    • B24B41/005Feeding or manipulating devices specially adapted to grinding machines
    • 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
    • B24B41/00Component parts such as frames, beds, carriages, headstocks
    • B24B41/007Weight compensation; Temperature compensation; Vibration damping
    • 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
    • B24B41/00Component parts such as frames, beds, carriages, headstocks
    • B24B41/06Work supports, e.g. adjustable steadies
    • 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
    • B24B47/00Drives or gearings; Equipment therefor
    • B24B47/10Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
    • B24B47/12Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces by mechanical gearing or electric power

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)

Abstract

The invention discloses a toughened glass plate polishing device, which relates to the field of toughened glass equipment and comprises a box body, wherein the box body is used for placing a glass plate; the supporting plates are symmetrically arranged on the inner wall of the box body; the polishing devices are arranged on the supporting plate and used for polishing the glass plate; the transmission device is arranged between the supporting plates; the cover plate is arranged at the upper end part of the box body. The problem of glass board after the processing is accomplished, mostly all need carry out the essence to the limit portion of glass board and polish, can clear up the burr or the debris that glass board limit portion exists, the personnel fish tail that will transport the glass board is solved.

Description

Toughened glass plate grinding device
Technical Field
The invention relates to the field of toughened glass equipment, in particular to a toughened glass plate polishing device.
Background
The toughened glass belongs to safety glass. The tempered glass is actually prestressed glass, and in order to improve the strength of the glass, a chemical or physical method is usually used to form compressive stress on the surface of the glass, and the glass firstly counteracts surface stress when bearing external force, so that the bearing capacity is improved, and the wind pressure resistance, the cold and hot property, the impact property and the like of the glass are enhanced.
After the glass plate is processed, the edge of the glass plate is mostly required to be polished, burrs or sundries existing on the edge of the glass plate can be removed, sharp parts of the glass plate are removed, and the glass plate is prevented from being scratched by people who transport the glass plate.
Disclosure of Invention
The invention aims to provide a tempered glass plate polishing device to solve the problems that after a glass plate is processed, most of the glass plates in the background art need to be polished precisely, burrs or sundries on the edge of the glass plate can be removed, and people transporting the glass plate can be scratched.
A polishing device for a toughened glass plate comprises
The box body is used for placing a glass plate;
the supporting plates are symmetrically arranged on the inner wall of the box body and are in sliding connection with the glass plate;
the polishing devices are arranged on the supporting plate and used for polishing the glass plate;
the transmission device is arranged between the supporting plates;
the cover plate is arranged at the upper end part of the box body.
As an embodiment of the present invention, the transfer device includes a rotating roller rotatably disposed between the support plates.
As an embodiment of the invention, the grinding means are arranged at equal intervals.
As an embodiment of the present invention, the grinding apparatus includes,
a frosted roller;
the rotating shaft is fixed at the lower end of the grinding roller and rotatably penetrates through the supporting plate;
the belt wheel is divided into an upper belt wheel and a lower belt wheel, and the upper belt wheel and the lower belt wheel are fixed on the surface of the rotating shaft from top to bottom;
the upper belt wheel of the rotating shaft is connected with the upper belt wheel on the surface of the front rotating shaft through the conveying belt, and the lower belt wheel of the rotating shaft is connected with the lower belt wheel on the surface of the rear rotating shaft through the conveying belt.
As an embodiment of the invention, a limiting piece is arranged on the cover plate, the limiting piece comprises a T-shaped plate, a sleeve, an elastic rod, a spring and a sucker,
the lower surface of the cover plate is provided with a T-shaped sliding groove, and the T-shaped plate is connected with the T-shaped sliding groove in a sliding manner;
the sleeve is vertically fixed on the lower surface of the T-shaped plate;
the elastic rod is inserted in the sleeve in a sliding manner;
the spring is arranged between the elastic rod and the sleeve;
the sucking disc sets up in the elastic rod lower extreme.
As an embodiment of the invention, the lower surfaces of the left side and the right side of the T-shaped plate are inwards provided with spherical grooves, and rolling bodies are arranged in the spherical grooves in a rolling manner.
As an embodiment of the present invention, the rolling elements are metal balls.
The invention has the beneficial effects that: after the glass plate is processed, the edge of the glass plate is mostly required to be polished, burrs or sundries existing on the edge of the glass plate can be removed, sharp parts of the glass plate are removed, and the glass plate is prevented from being scratched by people who transport the glass plate. The glass plate is placed on the surface of the supporting plate, the conveying device pushes the glass plate to slide forwards on the supporting plate in the transmission process, the glass plate is polished through the polishing device in the conveying process, polishing of the glass plate can be completed in the conveying process, and conveying time is saved. Glass plate removes the back at the backup pad surface, starts wherein arbitrary axis of rotation and takes place to rotate, and this axis of rotation rotates the back, through the cooperation between last band pulley and between the band pulley down, can rotate by all axis of rotation emergence of synchronous drive, can drive the dull polish roller after the axis of rotation rotates and take place to rotate, can polish to glass plate. The glass plate is placed behind the backup pad surface, probably can take place to rock at the in-process of polishing, lead to the glass plate to polish inhomogeneous, through the setting of locating part, can suppress the glass plate completely on the live-rollers surface, through the setting of sucking disc, can be fixed with the glass plate, guarantee that the glass plate can not take place to rock, the cooperation between elastic rod and the sleeve can provide certain cushion effect, to the glass plate of different thickness, through the flexible of elastic rod, can impress the elastic rod in the sleeve. After the rotating roller rotates, the glass plate can be pushed forward, the rotating roller drives the toughened glass plate to move forward through static friction with the toughened glass plate in the pushing process, the toughened glass plate can be matched with the polishing device in the moving process, and the polishing device can polish the edge of the glass plate. But metal ball and T type spout rolling connection for reduce the frictional force of T template, but change sliding connection into rolling contact, the frictional force that has significantly reduced, and also can not produce great resistance at the in-process that promotes, have good energy-conserving effect.
Drawings
FIG. 1 is a front cross-sectional view of a tempered glass plate polishing device according to an embodiment of the present invention;
FIG. 2 is an enlarged view of a portion A of FIG. 1;
FIG. 3 is a cross-sectional view of a limiter according to the present invention;
FIG. 4 is a left side view of the tempered glass plate polishing device of the present invention;
fig. 5 is a partially enlarged view of fig. 3 at B.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in FIGS. 1 to 5, a tempered glass plate polishing apparatus includes
The glass box comprises a box body 1, wherein the box body 1 is used for placing a glass plate;
the supporting plates 11 are symmetrically arranged on the inner wall of the box body 1 and are in sliding connection with the glass plate;
the polishing devices are arranged on the supporting plate 11 and are used for polishing the glass plate;
a transfer device disposed between the support plates 11;
and the cover plate 3 is arranged at the upper end part of the box body 1.
After the glass plate is processed, the edge of the glass plate is mostly required to be polished, burrs or sundries existing on the edge of the glass plate can be removed, sharp parts of the glass plate are removed, and the glass plate is prevented from being scratched by people who transport the glass plate. Place the glass board on the surface of backup pad 11, transmission device promotes the glass board and slides forward in backup pad 11 at driven in-process, and the glass board is polished through grinding device to the glass board in the transportation, and the in-process that can transport again is accomplished polishing to the glass board, has practiced thrift the transit time.
The transfer device includes a rotating roller rotatably disposed between the support plates 11.
After the rotating roller 5 rotates, the glass plate can be pushed forward, the rotating roller drives the toughened glass plate to move forward through static friction with the toughened glass plate in the pushing process, the toughened glass plate can be matched with the polishing device in the moving process, and the polishing device can polish the edge of the glass plate.
The grinding devices are arranged at equal intervals.
The grinding device comprises a grinding device and a grinding device,
a sanding roller 13;
the rotating shaft 15 is fixed at the lower end of the grinding roller 13, and the rotating shaft 15 is rotatably arranged on the supporting plate 11 in a penetrating way;
the belt wheel 17 is divided into an upper belt wheel and a lower belt wheel, and the upper belt wheel and the lower belt wheel are vertically fixed on the surface of the rotating shaft 15;
and the transmission belt 19 is used for connecting the upper belt wheel of the rotating shaft 15 with the upper belt wheel on the surface of the front rotating shaft 15 through the transmission belt 19, and the lower belt wheel of the rotating shaft 15 is connected with the lower belt wheel on the surface of the rear rotating shaft 15 through the transmission belt 19.
Glass sheet removes the back at backup pad 11 surface, starts wherein arbitrary axis of rotation 15 and takes place to rotate, and this axis of rotation 15 rotates the back, through last between the band pulley and down the cooperation between the band pulley, can the rotation take place to rotate by all axis of rotation 15 of synchronous drive, and axis of rotation 15 can drive dull polish roller 13 after rotating and take place to rotate, can polish to glass sheet.
The cover plate 3 is provided with a limiting member, the limiting member comprises a T-shaped plate 33, a sleeve 351, an elastic rod 353, a spring 354 and a suction cup 36,
the lower surface of the cover plate 3 is provided with a T-shaped sliding groove 31, and the T-shaped plate 33 is connected with the T-shaped sliding groove 31 in a sliding manner;
the sleeve 351 is vertically fixed on the lower surface of the T-shaped plate 33;
the elastic rod 353 is slidably inserted into the sleeve 351;
the spring 354 is arranged between the elastic rod 353 and the sleeve 351;
the suction cup 36 is disposed at the lower end of the elastic rod 353.
Glass plate places in backup pad 11 after the surface, it is possible to take place to rock at the in-process of polishing, lead to glass plate to polish inhomogeneous, setting through the locating part, can suppress glass plate completely on the surface of live-rollers 5, setting through sucking disc 36, can be fixed with glass plate, guarantee that glass plate can not take place to rock, cooperation between elastic rod 353 and the sleeve 351, can provide certain cushion effect, glass plate to the thickness of difference, through the flexible of elastic rod 353, can impress elastic rod 353 in the sleeve 351.
The lower surfaces of the left side and the right side of the T-shaped plate 33 are inwards provided with spherical grooves, and rolling bodies 331 are arranged in the spherical grooves in a rolling mode.
The rolling bodies 331 are metal balls.
But metal ball and T type spout 31 rolling connection for reduce the frictional force of T type board 33, but change sliding connection into rolling contact, greatly reduced frictional force, and also can not produce great resistance at the in-process that promotes, have good energy-conserving effect.
The specific working principle and steps are as follows: after the glass plate is processed, the edge of the glass plate is mostly required to be polished, burrs or sundries existing on the edge of the glass plate can be removed, sharp parts of the glass plate are removed, and the glass plate is prevented from being scratched by people who transport the glass plate. Place the glass board on the surface of backup pad 11, transmission device promotes the glass board and slides forward in backup pad 11 at driven in-process, and the glass board is polished through grinding device to the glass board in the transportation, and the in-process that can transport again is accomplished polishing to the glass board, has practiced thrift the transit time. Glass sheet removes the back at backup pad 11 surface, starts wherein arbitrary axis of rotation 15 and takes place to rotate, and this axis of rotation 15 rotates the back, through last between the band pulley and down the cooperation between the band pulley, can the rotation take place to rotate by all axis of rotation 15 of synchronous drive, and axis of rotation 15 can drive dull polish roller 13 after rotating and take place to rotate, can polish to glass sheet. Glass plate places in backup pad 11 after the surface, it is possible to take place to rock at the in-process of polishing, lead to glass plate to polish inhomogeneous, setting through the locating part, can suppress glass plate completely on the surface of live-rollers 5, setting through sucking disc 36, can be fixed with glass plate, guarantee that glass plate can not take place to rock, cooperation between elastic rod 353 and the sleeve 351, can provide certain cushion effect, glass plate to the thickness of difference, through the flexible of elastic rod 353, can impress elastic rod 353 in the sleeve 351. After the rotating roller 5 rotates, the glass plate can be pushed forward, the rotating roller drives the toughened glass plate to move forward through static friction with the toughened glass plate in the pushing process, the toughened glass plate can be matched with the polishing device in the moving process, and the polishing device can polish the edge of the glass plate. But metal ball and T type spout 31 rolling connection for reduce the frictional force of T type board 33, but change sliding connection into rolling contact, greatly reduced frictional force, and also can not produce great resistance at the in-process that promotes, have good energy-conserving effect.
While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (7)

1. A polishing device for a toughened glass plate is characterized by comprising
The box body is used for placing a glass plate;
the supporting plates are symmetrically arranged on the inner wall of the box body and are in sliding connection with the glass plate;
the polishing devices are arranged on the supporting plate and used for polishing the glass plate;
the transmission device is arranged between the supporting plates;
the cover plate is arranged at the upper end part of the box body.
2. A tempered glass plate polishing device as recited in claim 1, wherein the transfer means includes a rotating roller rotatably disposed between the support plates.
3. A tempered glass sheet grinding apparatus as claimed in claim 1, wherein the grinding means are provided at equal intervals.
4. A tempered glass plate polishing device as claimed in claim 3, wherein the polishing device comprises,
a frosted roller;
the rotating shaft is fixed at the lower end of the grinding roller and rotatably penetrates through the supporting plate;
the belt wheel is divided into an upper belt wheel and a lower belt wheel, and the upper belt wheel and the lower belt wheel are fixed on the surface of the rotating shaft from top to bottom;
the upper belt wheel of the rotating shaft is connected with the upper belt wheel on the surface of the front rotating shaft through the conveying belt, and the lower belt wheel of the rotating shaft is connected with the lower belt wheel on the surface of the rear rotating shaft through the conveying belt.
5. The tempered glass plate polishing device as claimed in claim 4, wherein the cover plate is provided with a stopper comprising a T-shaped plate, a sleeve, an elastic rod, a spring and a suction cup,
the lower surface of the cover plate is provided with a T-shaped sliding groove, and the T-shaped plate is connected with the T-shaped sliding groove in a sliding manner;
the sleeve is vertically fixed on the lower surface of the T-shaped plate;
the elastic rod is inserted in the sleeve in a sliding manner;
the spring is arranged between the elastic rod and the sleeve;
the sucking disc sets up in the elastic rod lower extreme.
6. The tempered glass plate polishing device as claimed in claim 1, wherein the lower surfaces of the left and right sides of the T-shaped plate are recessed inward with spherical grooves, and the spherical grooves are provided with rolling bodies in a rolling manner.
7. A tempered glass plate polishing device as recited in claim 1, wherein the rolling elements are metal balls.
CN202010275800.XA 2020-04-09 2020-04-09 Toughened glass plate grinding device Pending CN111558867A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010275800.XA CN111558867A (en) 2020-04-09 2020-04-09 Toughened glass plate grinding device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010275800.XA CN111558867A (en) 2020-04-09 2020-04-09 Toughened glass plate grinding device

Publications (1)

Publication Number Publication Date
CN111558867A true CN111558867A (en) 2020-08-21

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ID=72069058

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010275800.XA Pending CN111558867A (en) 2020-04-09 2020-04-09 Toughened glass plate grinding device

Country Status (1)

Country Link
CN (1) CN111558867A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113334275A (en) * 2021-06-01 2021-09-03 安徽美博智能科技有限公司 Air conditioner shell centering equipment
CN113414694A (en) * 2021-06-01 2021-09-21 安徽美博智能科技有限公司 Air conditioner shell equipment of polishing

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20110016759A (en) * 2009-08-12 2011-02-18 (주)글라렉스 Sheet glass chamfering device and processing assembly using the same
CN105033846A (en) * 2015-08-06 2015-11-11 重庆重玻节能玻璃有限公司 Feeding structure for glass polishing
CN106078404A (en) * 2016-07-25 2016-11-09 长兴科艺玻璃工艺品有限公司 A kind of face glass processing edging device
CN207771473U (en) * 2018-01-10 2018-08-28 江山市创伟木业有限公司 A kind of plank trimming cut burr grinding apparatus
CN109108768A (en) * 2018-08-28 2019-01-01 安徽玻扬节能钢化玻璃有限公司 A kind of glass edge processor good with stability
CN208713607U (en) * 2018-08-03 2019-04-09 天津盛世联盟节能玻璃科技有限公司 A kind of glass edge-grinding machine automatically adjusting spacing
CN209425161U (en) * 2018-11-01 2019-09-24 浙江力行得科技有限公司 A kind of acrylic board edge polisher
CN209850553U (en) * 2019-04-11 2019-12-27 河北中迈玻璃科技有限公司 Glass deep-processing edging dust removal mechanism

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20110016759A (en) * 2009-08-12 2011-02-18 (주)글라렉스 Sheet glass chamfering device and processing assembly using the same
CN105033846A (en) * 2015-08-06 2015-11-11 重庆重玻节能玻璃有限公司 Feeding structure for glass polishing
CN106078404A (en) * 2016-07-25 2016-11-09 长兴科艺玻璃工艺品有限公司 A kind of face glass processing edging device
CN207771473U (en) * 2018-01-10 2018-08-28 江山市创伟木业有限公司 A kind of plank trimming cut burr grinding apparatus
CN208713607U (en) * 2018-08-03 2019-04-09 天津盛世联盟节能玻璃科技有限公司 A kind of glass edge-grinding machine automatically adjusting spacing
CN109108768A (en) * 2018-08-28 2019-01-01 安徽玻扬节能钢化玻璃有限公司 A kind of glass edge processor good with stability
CN209425161U (en) * 2018-11-01 2019-09-24 浙江力行得科技有限公司 A kind of acrylic board edge polisher
CN209850553U (en) * 2019-04-11 2019-12-27 河北中迈玻璃科技有限公司 Glass deep-processing edging dust removal mechanism

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113334275A (en) * 2021-06-01 2021-09-03 安徽美博智能科技有限公司 Air conditioner shell centering equipment
CN113414694A (en) * 2021-06-01 2021-09-21 安徽美博智能科技有限公司 Air conditioner shell equipment of polishing

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Application publication date: 20200821

RJ01 Rejection of invention patent application after publication