CN113500709A - Diamond cutting, clean system of polishing - Google Patents

Diamond cutting, clean system of polishing Download PDF

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Publication number
CN113500709A
CN113500709A CN202110676322.8A CN202110676322A CN113500709A CN 113500709 A CN113500709 A CN 113500709A CN 202110676322 A CN202110676322 A CN 202110676322A CN 113500709 A CN113500709 A CN 113500709A
Authority
CN
China
Prior art keywords
rotating
arc
groove
polishing
cutting
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
CN202110676322.8A
Other languages
Chinese (zh)
Inventor
曹晓君
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.)
Hunan Liangcheng New Material Technology Co ltd
Original Assignee
Hunan Liangcheng New Material Technology 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 Hunan Liangcheng New Material Technology Co ltd filed Critical Hunan Liangcheng New Material Technology Co ltd
Priority to CN202110676322.8A priority Critical patent/CN113500709A/en
Publication of CN113500709A publication Critical patent/CN113500709A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28DWORKING STONE OR STONE-LIKE MATERIALS
    • B28D5/00Fine working of gems, jewels, crystals, e.g. of semiconductor material; apparatus or devices therefor
    • 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
    • B24B19/00Single-purpose machines or devices for particular grinding operations not covered by any other main group
    • B24B19/22Single-purpose machines or devices for particular grinding operations not covered by any other main group characterised by a special design with respect to properties of the material of non-metallic articles to be ground
    • 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
    • B24B29/00Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents
    • B24B29/02Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents designed for particular workpieces
    • 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
    • B24B41/02Frames; Beds; Carriages
    • 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
    • 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
    • B24B47/22Equipment for exact control of the position of the grinding tool or work at the start of the grinding operation
    • 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
    • B24B55/00Safety 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
    • B24B55/06Dust extraction equipment on grinding or polishing 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
    • B24B55/00Safety 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
    • B24B55/12Devices for exhausting mist of oil or coolant; Devices for collecting or recovering materials resulting from grinding or polishing, e.g. of precious metals, precious stones, diamonds or the like
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28DWORKING STONE OR STONE-LIKE MATERIALS
    • B28D5/00Fine working of gems, jewels, crystals, e.g. of semiconductor material; apparatus or devices therefor
    • B28D5/0058Accessories specially adapted for use with machines for fine working of gems, jewels, crystals, e.g. of semiconductor material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28DWORKING STONE OR STONE-LIKE MATERIALS
    • B28D5/00Fine working of gems, jewels, crystals, e.g. of semiconductor material; apparatus or devices therefor
    • B28D5/0058Accessories specially adapted for use with machines for fine working of gems, jewels, crystals, e.g. of semiconductor material
    • B28D5/0076Accessories specially adapted for use with machines for fine working of gems, jewels, crystals, e.g. of semiconductor material for removing dust, e.g. by spraying liquids; for lubricating, cooling or cleaning tool or work
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28DWORKING STONE OR STONE-LIKE MATERIALS
    • B28D5/00Fine working of gems, jewels, crystals, e.g. of semiconductor material; apparatus or devices therefor
    • B28D5/0058Accessories specially adapted for use with machines for fine working of gems, jewels, crystals, e.g. of semiconductor material
    • B28D5/0082Accessories specially adapted for use with machines for fine working of gems, jewels, crystals, e.g. of semiconductor material for supporting, holding, feeding, conveying or discharging work
    • B28D5/0088Accessories specially adapted for use with machines for fine working of gems, jewels, crystals, e.g. of semiconductor material for supporting, holding, feeding, conveying or discharging work the supporting or holding device being angularly adjustable

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Polishing Bodies And Polishing Tools (AREA)

Abstract

The invention relates to a diamond cutting and polishing cleaning system, which comprises a rotating frame, wherein an arc-shaped rotating groove is formed in the rotating frame, a rotating seat is arranged in the arc-shaped rotating groove, a cutting assembly and a polishing assembly are arranged on the rotating frame, a rotating motor is arranged in the middle of the lower end of the rotating frame and is connected with the rotating seat through a push rod, the rotating seat comprises a seat body, a supporting plate and a clamping cylinder, the clamping cylinder is connected with a clamping sleeve, a material receiving assembly is arranged at the lower end of the supporting plate, a cleaning device is arranged in the middle of the rotating frame and is matched with the material receiving assembly through the cleaning device, and dust and debris generated by cutting and polishing of original stones are collected, absorbed and finally filtered and reused; rotate the seat through rotating motor drive and rotate cutting components, the subassembly of polishing in proper order in the arc rotates the inslot, carry out corresponding cutting, the operation of polishing, because rotate the seat and rotate the groove cooperation with the arc and can rotate the regulation according to the needs that obtain without the shape diamond to whole convenient to use, cutting, the high quality of polishing.

Description

Diamond cutting, clean system of polishing
Technical Field
The invention relates to the technical field of diamond processing, in particular to a diamond cutting, polishing and cleaning system.
Background
Diamond, commonly known as "diamond," is a mineral composed of carbon elements, an allotrope of graphite, having the chemical formula C, and is also the original body of common diamond. Diamond is the hardest substance naturally occurring in nature. Graphite can be formed into synthetic diamonds at high temperature and high pressure. The diamond is adding man-hour, needs cutting former stone, operations such as shape and size of polishing, when polishing, because the face that needs to polish is many, the shape and size differs and irregular face polish, so can produce more dust or garrulous end etc. at the process of polishing, cleaning device among the prior art need extravagant a large amount of energy in the use to there is the clean effect not too good, inconvenient defect of using.
Disclosure of Invention
The invention aims to provide a diamond cutting and polishing cleaning system which can be used for reasonably and thoroughly removing dust and broken powder automatically, and has the characteristics of convenience in overall use and high cutting and polishing quality.
In order to solve the technical problem, the invention is solved by the following technical scheme:
the utility model provides a diamond cutting, clean system of polishing, includes the rotating turret, seted up the arc on the rotating turret and rotated the groove, the arc rotates the inslot and is equipped with the rotation seat that is used for the former stone of diamond to place, correspond on the rotating turret the arc rotates the both sides in groove and evenly is equipped with cutting components, the subassembly of polishing, the lower extreme middle part of rotating turret is equipped with rotates the motor, the output that rotates the motor with the rotation seat passes through the push rod and connects, the rotation seat includes the pedestal, pedestal upper end bilateral symmetry is equipped with two backup pads, is equipped with the clamping cylinder in the backup pad, the output of clamping cylinder is connected with the clamping cover that is used for the former stone of clamping, the backup pad lower extreme is equipped with and connects the material subassembly, be equipped with cleaning device in the middle of the rotating turret.
Preferably, the cleaning device comprises a cleaning cavity arranged in the middle of the rotating frame, at least two layers of filter cavities are arranged in the cleaning cavity, a dust collector is arranged in the upper layer of filter cavity, a vibrator is arranged in the lower layer of filter cavity, a material sucking groove connected with the material receiving assembly is formed in the upper end of the rotating frame, a material sucking pipe connected with the dust collector is arranged in the material sucking groove, and a discharge hole is formed in the lower end of the lower layer of filter cavity.
Preferably, the receiving assembly comprises a receiving tray which is arranged on the supporting plate and corresponds to the lower part of the diamond crude stone, the receiving tray is communicated with the material suction groove, and the material suction pipe is connected to the intersection of the receiving tray and the material suction groove.
Further preferably, the outer portion of the bottom end of the rotating seat is provided with an arc adjusting hole which is gradually deepened from shallow, the push rod is provided with a base plate, the base plate is provided with a lifting cylinder, a piston rod of the lifting cylinder is connected with the arc adjusting hole through an adjusting rod, and the adjusting rod is arranged at the inner end of the arc adjusting hole and provided with an adjusting head.
Preferably, a rotating guide rod is arranged in the arc-shaped rotating groove, the seat body penetrates through the rotating guide rod, and the seat body is hemispherical.
Preferably, the arc-shaped rotating groove is spherical in cross section, the seat body is arranged at the upper part or the lower part of the arc-shaped rotating groove, and the rotating guide rod is arranged in the middle of the arc-shaped rotating groove.
The invention has the beneficial effects that: the automatic stone cutting and polishing device comprises a rotating frame, wherein an arc-shaped rotating groove is formed in the rotating frame, a rotating seat used for placing diamond raw stones is arranged in the arc-shaped rotating groove, cutting assemblies and polishing assemblies are uniformly arranged on the rotating frame and correspond to two sides of the arc-shaped rotating groove, a rotating motor is arranged in the middle of the lower end of the rotating frame, the output end of the rotating motor is connected with the rotating seat through a push rod, the rotating seat comprises a seat body, two support plates are symmetrically arranged on two sides of the upper end of the seat body, clamping cylinders are arranged on the support plates, the output end of each clamping cylinder is connected with a clamping sleeve used for clamping the raw stones, a material receiving assembly is arranged at the lower end of each support plate, and a cleaning device is arranged in the middle of the rotating frame; rotate the seat through rotating motor drive and rotate cutting components, the subassembly of polishing in proper order in the arc rotates the inslot, carry out corresponding cutting, the operation of polishing, because rotate the seat and rotate the groove cooperation with the arc and can rotate the regulation according to the needs that obtain without the shape diamond to whole convenient to use, cutting, the high quality of polishing.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a cross-sectional view of the present invention.
Reference numerals
1. A rotating frame 2, an arc-shaped rotating groove 3, a rotating seat 4, a cutting assembly 5 and a polishing assembly,
6. a rotating motor 7, a clamping cylinder 8, a clamping sleeve 9, an upper-layer filter chamber 10 and a dust collector,
11. a lower-layer filter cavity 12, a vibrator 13, a material suction groove 14, a material outlet 15 and a material receiving disc,
16. arc adjusting holes 17, a lifting cylinder 18, an adjusting head 19 and a rotating guide rod.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
As shown in figures 1 and 2, a diamond cutting, polishing and cleaning system comprises a rotating frame 1, wherein an arc-shaped rotating groove 2 is formed in the rotating frame 1, a rotating seat 3 for placing diamond stone is arranged in the arc-shaped rotating groove 2, cutting assemblies 4 and polishing assemblies 5 are uniformly arranged on the rotating frame 1 corresponding to two sides of the arc-shaped rotating groove 2, a rotating motor 6 is arranged in the middle of the lower end of the rotating frame 1, the output end of the rotating motor 6 is connected with the rotating seat 3 through a push rod, the rotating seat 3 comprises a seat body, two support plates are symmetrically arranged on two sides of the upper end of the seat body, clamping cylinders 7 are arranged on the support plates, a clamping sleeve 8 for clamping the stone is connected to the output end of the clamping cylinder 7, a material receiving assembly is arranged at the lower ends of the support plates, a cleaning device is arranged in the middle of the rotating frame 1, and the diamond cutting, polishing and cleaning device is matched with the material receiving assembly through the cleaning device, collecting and sucking dust and powder generated by cutting and polishing the raw stone, and finally filtering and recycling; rotate seat 3 through rotating 6 drive of motor and rotate cutting subassembly 4, the subassembly 5 of polishing in proper order in arc rotation groove 2, carry out corresponding cutting, the operation of polishing, because rotate seat 3 and arc rotation groove 2 cooperation can rotate the regulation according to the needs that obtain without the shape diamond to whole convenient to use, cutting, the high quality of polishing.
In this embodiment, the cleaning device comprises a cleaning cavity arranged in the middle of the rotating frame 1, at least two layers of filter cavities are arranged in the cleaning cavity, a dust collector 10 is arranged in the upper layer of filter cavity 9, a vibrator 12 is arranged in the lower layer of filter cavity 11, a material suction groove 13 connected with the material receiving assembly is arranged at the upper end of the rotating frame 1, a material suction pipe connected with the dust collector 10 is arranged in the material suction groove 13, a discharge hole 14 is arranged at the lower end of the lower layer of filter cavity 11, the material receiving assembly comprises a material receiving disc 15 arranged on the supporting plate and corresponding to the lower part of the diamond stones, the material receiving disc 15 is communicated with the material suction groove 13, the material suction pipe is connected to the intersection of the material receiving disc 15 and the material suction groove 13, and when in use, dust and debris of the diamond stones falling into the material receiving disc 15 are sucked into the upper layer of filter cavity 9 through the material suction pipe by the dust collector 10 for primary filtration, after the powder is filtered, the dust falls into the lower-layer filter cavity 11 for filtering, and the filtered powder and useful dust particles are respectively taken out for recycling.
In this embodiment, the bottom of the rotating base 3 is provided with an arc-shaped adjusting hole 16 gradually deepened from shallow depth, the push rod is provided with a base plate, the base plate is provided with a lifting cylinder 17, a piston rod of the lifting cylinder 17 is connected with the arc-shaped adjusting hole 16 through an adjusting rod, the adjusting rod is arranged at the inner end of the arc-shaped adjusting hole 16 and provided with an adjusting head 18, a rotating guide rod 19 is arranged in the arc-shaped rotating groove 2, the base body is penetrated on the rotating guide rod 19, the base body is hemispherical, the cross section of the arc-shaped rotating groove 2 is spherical, the base body is arranged at the upper part or the lower part of the arc-shaped rotating groove 2, the rotating guide rod 19 is arranged in the middle of the arc-shaped rotating groove 2, when in use, the diamond stone is firstly placed on the base body, the clamping cylinder 7 drives the two clamping sleeves 8 to fix the diamond stone on the rotating base 3, and then the rotating base 3 and the diamond stone are driven by the rotating motor 6 to sequentially rotate the cutting assembly 4 in the arc-shaped rotating groove 2, Grinding assembly 5 carries out corresponding cutting, the operation of polishing, because the cutting, behind the former stone of polishing, the shape that obtains in the face of difference is different, so need rotate seat 3 and carry out the swing regulation, and this embodiment adjusts pole upper adjustment head 18 through the drive of lift cylinder 17, the while of going up and down is along with arc regulation hole 16 rotates, thereby the realization is to rotating cutting, polishing, the polishing processing after the former stone swing on seat 3, like this alright make the cutting, polish, the polishing is more accurate, efficiency and quality are higher.
The above description is only a preferred embodiment of the present invention, and for those skilled in the art, the present invention should not be limited by the description of the present invention, which should be interpreted as a limitation.

Claims (6)

1. The utility model provides a diamond cutting, clean system of polishing which characterized in that: including the rotating turret, it rotates the groove to have seted up the arc on the rotating turret, and the arc rotates the inslot and is equipped with the rotation seat that is used for the former stone of diamond to place, correspond on the rotating turret the arc rotates the both sides in groove and evenly is equipped with cutting components, the subassembly of polishing, the lower extreme middle part of rotating turret is equipped with the rotation motor, the output of rotating the motor with the rotation seat passes through the push rod and connects, the rotation seat includes the pedestal, pedestal upper end bilateral symmetry is equipped with two backup pads, is equipped with the clamping cylinder in the backup pad, the output of clamping cylinder is connected with the clamping cover that is used for the former stone of clamping, the backup pad lower extreme is equipped with and connects the material subassembly, be equipped with cleaning device in the middle of the rotating turret.
2. A diamond cutting, sanding cleaning system as defined in claim 1 wherein: the cleaning device comprises a cleaning cavity arranged in the middle of the rotating frame, at least two layers of filter cavities are arranged in the cleaning cavity, a dust collector is arranged in the upper layer of filter cavity, a vibrator is arranged in the lower layer of filter cavity, a material suction groove connected with the material receiving assembly is formed in the upper end of the rotating frame, a material suction pipe connected with the dust collector is arranged in the material suction groove, and a discharge hole is formed in the lower end of the lower layer of filter cavity.
3. A diamond cutting, sanding cleaning system as defined in claim 2 wherein: the material receiving assembly comprises a material receiving disc which is arranged on the supporting plate and corresponds to the lower part of the diamond stone, the material receiving disc is communicated with the material sucking groove, and the material sucking pipe is connected to the intersection of the material receiving disc and the material sucking groove.
4. A diamond cutting, sanding cleaning system as defined in claim 1 wherein: the outer portion of the bottom end of the rotating seat is provided with an arc adjusting hole which is gradually deepened from shallow, the push rod is provided with a base plate, the base plate is provided with a lifting cylinder, a piston rod of the lifting cylinder is connected with the arc adjusting hole through an adjusting rod, and the adjusting rod is arranged at the inner end of the arc adjusting hole and provided with an adjusting head.
5. A diamond cutting, sanding cleaning system as defined in claim 1 wherein: the arc-shaped rotating groove is internally provided with a rotating guide rod, the seat body is penetrated on the rotating guide rod, and the seat body is hemispherical.
6. A diamond cutting, sanding cleaning system as defined in claim 5 wherein: the section of the arc-shaped rotating groove is spherical, the seat body is arranged at the upper part or the lower part of the arc-shaped rotating groove, and the rotating guide rod is arranged in the middle of the arc-shaped rotating groove.
CN202110676322.8A 2021-06-18 2021-06-18 Diamond cutting, clean system of polishing Pending CN113500709A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110676322.8A CN113500709A (en) 2021-06-18 2021-06-18 Diamond cutting, clean system of polishing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110676322.8A CN113500709A (en) 2021-06-18 2021-06-18 Diamond cutting, clean system of polishing

Publications (1)

Publication Number Publication Date
CN113500709A true CN113500709A (en) 2021-10-15

Family

ID=78010396

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110676322.8A Pending CN113500709A (en) 2021-06-18 2021-06-18 Diamond cutting, clean system of polishing

Country Status (1)

Country Link
CN (1) CN113500709A (en)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104889840A (en) * 2015-05-22 2015-09-09 唐剑龙 Ceramic product polishing machine
CN206105589U (en) * 2016-10-13 2017-04-19 深圳市欧祺亚实业有限公司 Polishing subassembly and be equipped with burnishing machine of this polishing subassembly
CN107052974A (en) * 2017-04-07 2017-08-18 王文胜 A kind of automatic polishing system
CN107322822A (en) * 2017-09-07 2017-11-07 合肥风生水起信息科技有限公司 Clout automatic collecting device during a kind of gem crystal processing
CN207643444U (en) * 2017-11-27 2018-07-24 山东科技大学 A kind of Novel stone cutter device
CN209453961U (en) * 2018-07-27 2019-10-01 诸暨绿尚创意科技有限公司 A kind of semi-automatic crosspointer pearl puncher
CN111823292A (en) * 2020-06-03 2020-10-27 安徽盛鹏节能科技有限公司 Angle-adjustable cutting device for processing plastic-steel doors and windows
CN112372402A (en) * 2020-11-11 2021-02-19 广州雏鸟新材料有限公司 Multi-angle grinding device for building materials

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104889840A (en) * 2015-05-22 2015-09-09 唐剑龙 Ceramic product polishing machine
CN206105589U (en) * 2016-10-13 2017-04-19 深圳市欧祺亚实业有限公司 Polishing subassembly and be equipped with burnishing machine of this polishing subassembly
CN107052974A (en) * 2017-04-07 2017-08-18 王文胜 A kind of automatic polishing system
CN107322822A (en) * 2017-09-07 2017-11-07 合肥风生水起信息科技有限公司 Clout automatic collecting device during a kind of gem crystal processing
CN207643444U (en) * 2017-11-27 2018-07-24 山东科技大学 A kind of Novel stone cutter device
CN209453961U (en) * 2018-07-27 2019-10-01 诸暨绿尚创意科技有限公司 A kind of semi-automatic crosspointer pearl puncher
CN111823292A (en) * 2020-06-03 2020-10-27 安徽盛鹏节能科技有限公司 Angle-adjustable cutting device for processing plastic-steel doors and windows
CN112372402A (en) * 2020-11-11 2021-02-19 广州雏鸟新材料有限公司 Multi-angle grinding device for building materials

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