CN107443186A - Sanding apparatus for workpiece - Google Patents

Sanding apparatus for workpiece Download PDF

Info

Publication number
CN107443186A
CN107443186A CN201710782398.2A CN201710782398A CN107443186A CN 107443186 A CN107443186 A CN 107443186A CN 201710782398 A CN201710782398 A CN 201710782398A CN 107443186 A CN107443186 A CN 107443186A
Authority
CN
China
Prior art keywords
plate
motor
workpiece
polishing pad
adjustable plate
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
CN201710782398.2A
Other languages
Chinese (zh)
Inventor
冯继友
梁振华
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.)
Anhui Hai Zhi Zhi Yong Intelligent Equipment Ltd By Share Ltd
Original Assignee
Anhui Hai Zhi Zhi Yong Intelligent Equipment Ltd By Share 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 Anhui Hai Zhi Zhi Yong Intelligent Equipment Ltd By Share Ltd filed Critical Anhui Hai Zhi Zhi Yong Intelligent Equipment Ltd By Share Ltd
Priority to CN201710782398.2A priority Critical patent/CN107443186A/en
Publication of CN107443186A publication Critical patent/CN107443186A/en
Pending legal-status Critical Current

Links

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
    • 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
    • B24B41/02Frames; 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
    • 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
    • B24B7/00Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor
    • B24B7/04Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor involving a rotary work-table

Abstract

The invention discloses a kind of sanding apparatus for workpiece, including operating desk, top plate, cylinder, adjustable plate, motor one, polishing pad, motor two, loading plate, bits collecting box and ventilating fan, it is characterised in that:Described operating desk is arranged on support, described top plate is arranged on column, it is arranged on described cylinder on top plate, described adjustable plate is arranged on column, described motor one is arranged on adjustable plate, described polishing pad is arranged on power transmission shaft by contiguous block, and described motor two is arranged on operating desk, and described loading plate is set on the rotary shaft.The present invention is provided with adjustable plate on the piston rod of cylinder, multiple motors one are provided with adjustable plate, and replaceable polishing pad is provided with the power transmission shaft of motor one, adjustable plate rises or falls with piston rod on column, drive motor one and polishing pad rise or fall, polishing pad is polished workpiece, improve the grinding efficiency of workpiece, strengthen the polishing precision of workpiece.

Description

Sanding apparatus for workpiece
Technical field
The present invention relates to work pieces process technical field, specifically a kind of sanding apparatus for workpiece.
Background technology
Sanding apparatus is one of process equipment important in modern workpiece process, its function be mainly workpiece deburring or Surface is polished, and makes that workpiece is more smooth, cleanliness is more preferable, Improving The Quality of Products.Such as the patent of Application No. 201611013786.6 A kind of grinding workpieces equipment is disclosed, the problem of polishing quality is influenceed because cutting fluid is of poor quality is which solved, but there is work The problem of part stability in bruting process is bad, the scope of application is small, grinding workpieces precision is not high.
The content of the invention
The purpose of the present invention is bad, suitable for workpiece stability in bruting process existing for existing work-piece polishing device With the problem of scope is small, grinding workpieces precision is not high, there is provided a kind of Mechanization Level is high, workpiece stability in bruting process Sanding apparatus for workpiece good, applied widely, operating efficiency is high, polishing precision is high.
Present invention solves the technical problem that the technical scheme taken is:
A kind of sanding apparatus for workpiece, including operating desk, top plate, cylinder, adjustable plate, motor one, polishing pad, motor two, Loading plate, bits collecting box and ventilating fan, it is characterised in that:Described operating desk is arranged on support, and is provided with operating desk Column, described top plate are arranged on column, are arranged on described cylinder on top plate, and be provided with cylinder power line, Piston rod, described adjustable plate are arranged on column, and adjustable plate is connected with piston rod, and described motor one is arranged on regulation On plate, and power line, power transmission shaft are provided with motor one, described polishing pad is arranged on power transmission shaft by contiguous block, institute The motor two stated is arranged on operating desk, and power line, rotary shaft are provided with motor two, and described loading plate is arranged on rotation In rotating shaft, and bearing groove is provided with loading plate, described bits collecting box is arranged on top plate, and bits collecting box is passed through into sweep-up pipe It is connected with adjustable plate, described ventilating fan is arranged in the side wall of bits collecting box, and power line is provided with ventilating fan.
Preferably, described adjustable plate by cylinder, piston rod be arranged to can be down or up on column structure, band Dynamic motor one and polishing pad rise or fall, and polishing pad is polished the workpiece in the bearing groove of loading plate, improve work Make efficiency, reduce the labor intensity of operating personnel.
Preferably, described motor one, its quantity are arranged to 3-6, and motor one and polishing pad are arranged to one a pair The structure answered, multiple polishing pads not only improve the grinding efficiency of workpiece, can also strengthen the polishing precision of workpiece.
Preferably, the structure that described polishing pad is arranged to change on power transmission shaft by contiguous block, by changing not Same polishing pad can be applied to the polishing of different workpieces, expand the scope of application of sanding apparatus, reduce and manufacture multiple beat The cost of mill apparatus.
Preferably, boss is provided between described loading plate and rotary shaft, and loading plate is arranged to rotate The structure changed on axle, the bonding strength between loading plate and rotary shaft is improved by boss, enhancing loading plate is rotating During stability, stability of the workpiece in bruting process is improved by bearing groove, further enhances the polishing essence of workpiece Degree.
Beneficial effect:The present invention is provided with adjustable plate on the piston rod of cylinder, and multiple motors are provided with adjustable plate One, and replaceable polishing pad is provided with the power transmission shaft of motor one, adjustable plate rises or falls with piston rod on column, Drive motor one and polishing pad rise or fall, and polishing pad is polished the workpiece in the bearing groove of loading plate, multiple to beat Mill not only improves the grinding efficiency of workpiece, can also strengthen the polishing precision of workpiece, bearing groove is provided with loading plate, improves Stability of the workpiece in bruting process, further enhance the polishing precision of workpiece.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the attachment structure of the part-structure schematic diagram of the present invention, signal motor two and adjustable plate.
Fig. 3 is the part-structure schematic diagram of the present invention, illustrates the attachment structure of loading plate and bearing groove.
Fig. 4 is that the another of the present invention implements structural representation.
In figure:1. operating desk, 2. top plates, 3. cylinders, 4. adjustable plates, 5. motors one, 6. polishing pads, 7. motors two, 8. are held Support plate, 9. bits collecting box, 10. ventilating fans, 11. supports, 12. columns, 13. power lines, 14. piston rods, 15. power transmission shafts, 16. connections Block, 17. rotary shafts, 18. bosses, 19. bearing grooves, 20. sweep-up pipes, 21. bracing pieces, 22. springs, 23. filters.
Embodiment
The present invention is described in detail below with reference to accompanying drawing.
Embodiment one:
As illustrated in the accompanying drawings from 1 to 3, a kind of sanding apparatus for workpiece, including operating desk 1, top plate 2, cylinder 3, adjustable plate 4, motor One 5, polishing pad 6, motor 27, loading plate 8, bits collecting box 9 and ventilating fan 10, it is characterised in that:Described operating desk 1 is arranged on On support 11, and column 12 is provided with operating desk 1, described top plate 2 is arranged on column 12, is set on described cylinder 3 To put on top plate 2, and power line 13, piston rod 14 are provided with cylinder 3, described adjustable plate 4 is arranged on column 12, and Adjustable plate 4 is connected with piston rod 14, described motor 1 is arranged on adjustable plate 4, and is provided with power supply on motor 1 Line 13, power transmission shaft 15, described polishing pad 6 are arranged on power transmission shaft 15 by contiguous block 16, and described motor 27 is arranged on behaviour To make on platform 1, and power line 13, rotary shaft 17 are provided with motor 27, described loading plate 8 is arranged in rotary shaft 17, and Bearing groove 19 is provided with loading plate 8, described bits collecting box 9 is arranged on top plate 2, and bits collecting box 9 is passed through into sweep-up pipe 20 It is connected with adjustable plate 4, described ventilating fan 10 is arranged in the side wall of bits collecting box 9, and is provided with power line on ventilating fan 10 13。
Preferably, described adjustable plate 4 by cylinder 3, piston rod 14 be arranged to can on column 12 it is down or up Structure, drive motor 1 and polishing pad 6 rise or fall, and polishing pad 6 is carried out the workpiece in the bearing groove 19 of loading plate 8 Polishing, improves operating efficiency, reduces the labor intensity of operating personnel.
Preferably, described motor 1, its quantity are arranged to 4, and motor 1 and polishing pad 6 are arranged to one a pair The structure answered, multiple polishing pads 6 not only improve the grinding efficiency of workpiece, can also strengthen the polishing precision of workpiece.
Preferably, the structure that described polishing pad 6 is arranged to change on power transmission shaft 15 by contiguous block 16, by more The polishing of different workpieces can be applied to by changing different polishing pads 6, expand the scope of application of sanding apparatus, it is more to reduce manufacture The cost of individual sanding apparatus.
Preferably, boss 18 is provided between described loading plate 8 and rotary shaft 17, and loading plate 8 is arranged to can The structure changed in rotary shaft 17, the bonding strength between loading plate 8 and rotary shaft 17 is improved by boss 18, strengthened Stability of the loading plate 8 in rotary course, stability of the workpiece in bruting process is improved by bearing groove 19, further increased The polishing precision of strong workpiece.
Embodiment two:
As shown in Figure 4, a kind of sanding apparatus for workpiece, including operating desk 1, top plate 2, cylinder 3, adjustable plate 4, motor one 5th, polishing pad 6, motor 27, loading plate 8, bits collecting box 9 and ventilating fan 10, it is characterised in that:Described operating desk 1 is arranged on branch On frame 11, and column 12 is provided with operating desk 1, described top plate 2 is arranged on column 12, is set on described cylinder 3 On top plate 2, and power line 13, piston rod 14 are provided with cylinder 3, described adjustable plate 4 is arranged on column 12, and will Adjustable plate 4 is connected with piston rod 14, and described motor 1 is arranged on adjustable plate 4, and is provided with power line on motor 1 13rd, power transmission shaft 15, described polishing pad 6 are arranged on power transmission shaft 15 by contiguous block 16, and described motor 27 is arranged on operation On platform 1, and power line 13, rotary shaft 17 being provided with motor 27, described loading plate 8 is arranged in rotary shaft 17, and Bearing groove 19 is provided with loading plate 8, described bits collecting box 9 is arranged on top plate 2, and by bits collecting box 9 by sweep-up pipe 20 with Adjustable plate 4 is connected, and described ventilating fan 10 is arranged in the side wall of bits collecting box 9, and power line 13 is provided with ventilating fan 10.
Preferably, described adjustable plate 4 by cylinder 3, piston rod 14 be arranged to can on column 12 it is down or up Structure, drive motor 1 and polishing pad 6 rise or fall, and polishing pad 6 is carried out the workpiece in the bearing groove 19 of loading plate 8 Polishing, improves operating efficiency, reduces the labor intensity of operating personnel.
Preferably, described motor 1, its quantity are arranged to 4, and motor 1 and polishing pad 6 are arranged to one a pair The structure answered, multiple polishing pads 6 not only improve the grinding efficiency of workpiece, can also strengthen the polishing precision of workpiece.
Preferably, the structure that described polishing pad 6 is arranged to change on power transmission shaft 15 by contiguous block 16, by more The polishing of different workpieces can be applied to by changing different polishing pads 6, expand the scope of application of sanding apparatus, it is more to reduce manufacture The cost of individual sanding apparatus.
Preferably, boss 18 is provided between described loading plate 8 and rotary shaft 17, and loading plate 8 is arranged to can The structure changed in rotary shaft 17, the bonding strength between loading plate 8 and rotary shaft 17 is improved by boss 18, strengthened Stability of the loading plate 8 in rotary course, stability of the workpiece in bruting process is improved by bearing groove 19, further increased The polishing precision of strong workpiece.
Preferably, bracing piece 21 is provided between described operating desk 1 and support 11, operation is improved by bracing piece 21 Bonding strength between platform 1 and support 11, strengthen the intensity of sanding apparatus, improve stability of the workpiece in bruting process.
Preferably, spring 22 is provided with the column 12 between described top plate 2 and adjustable plate 4, by spring 22, improved Stability of the adjustable plate 4 on column 12 in process of rising or falling, improve the polishing precision of workpiece.
Preferably, filter 23 is provided with described bits collecting box 9, can be to entering collection with air-flow by filter 23 Chip in bits box 9 is separated by filtration, and is avoided chip from being discharged from ventilating fan 10, is improved the environmental-protecting performance of sanding apparatus.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention All any modification, equivalent and improvement made within refreshing and principle etc., should be included in the scope of the protection.
Part that the present invention does not relate to is same as the prior art or can be realized using prior art.

Claims (5)

1. a kind of sanding apparatus for workpiece, including operating desk, top plate, cylinder, adjustable plate, motor one, polishing pad, motor 2nd, loading plate, bits collecting box and ventilating fan, it is characterised in that:Described operating desk is arranged on support, and is set on operating desk There is column, described top plate is arranged on column, is arranged on described cylinder on top plate, and power supply is provided with cylinder Line, piston rod, described adjustable plate are arranged on column, and adjustable plate is connected with piston rod, and described motor one is arranged on On adjustable plate, and power line, power transmission shaft are provided with motor one, described polishing pad is arranged on power transmission shaft by contiguous block On, described motor two is arranged on operating desk, and power line, rotary shaft are provided with motor two, and described loading plate is set Put on the rotary shaft, and bearing groove is provided with loading plate, described bits collecting box is arranged on top plate, and bits collecting box is passed through Sweep-up pipe is connected with adjustable plate, and described ventilating fan is arranged in the side wall of bits collecting box, and power line is provided with ventilating fan.
2. the sanding apparatus according to claim 1 for workpiece, it is characterised in that:Described adjustable plate by cylinder, Piston rod is arranged to structure that can be down or up on column.
3. the sanding apparatus according to claim 1 for workpiece, it is characterised in that:Described motor one, its quantity are set 3-6 are set to, and motor one and polishing pad are arranged to one-to-one structure.
4. the sanding apparatus according to claim 1 for workpiece, it is characterised in that:Described polishing pad passes through contiguous block It is arranged to the structure that can be changed on power transmission shaft.
5. the sanding apparatus according to claim 1 for workpiece, it is characterised in that:Described loading plate and rotary shaft it Between be provided with boss, and the structure that loading plate is arranged to change on the rotary shaft.
CN201710782398.2A 2017-09-02 2017-09-02 Sanding apparatus for workpiece Pending CN107443186A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710782398.2A CN107443186A (en) 2017-09-02 2017-09-02 Sanding apparatus for workpiece

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710782398.2A CN107443186A (en) 2017-09-02 2017-09-02 Sanding apparatus for workpiece

Publications (1)

Publication Number Publication Date
CN107443186A true CN107443186A (en) 2017-12-08

Family

ID=60494679

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710782398.2A Pending CN107443186A (en) 2017-09-02 2017-09-02 Sanding apparatus for workpiece

Country Status (1)

Country Link
CN (1) CN107443186A (en)

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108663266A (en) * 2018-08-01 2018-10-16 芜湖市三山龙城新材料有限公司 A kind of detection device of coating wearability
CN108789110A (en) * 2018-07-03 2018-11-13 芜湖德加智能科技有限公司 A kind of robot burnishing device for workpiece
CN108838763A (en) * 2018-06-23 2018-11-20 芜湖乾凯材料科技有限公司 Pore digital controlled grinding device suitable for workpiece center hole
CN108857828A (en) * 2018-07-25 2018-11-23 芜湖瑞德机械科技有限公司 A kind of efficient numerically controlled polishing machine for work pieces process
CN108857730A (en) * 2018-08-03 2018-11-23 柴德维 Work-piece polishing device with shock-absorbing function
CN108907953A (en) * 2018-08-05 2018-11-30 安徽星光标识系统有限公司 A kind of edge polisher of metal identification board
CN108909031A (en) * 2018-08-09 2018-11-30 芜湖三华包装科技有限公司 A kind of trimming device for kraft paper bag production
CN108927721A (en) * 2018-08-02 2018-12-04 芜湖德加智能科技有限公司 Grinding device suitable for workpiece intelligent machining
CN108942462A (en) * 2018-08-05 2018-12-07 安徽星光标识系统有限公司 A kind of edging device suitable for metal identification sign board
CN108942589A (en) * 2018-08-03 2018-12-07 柴德维 It is a kind of can damping grinding workpieces equipment
CN108942584A (en) * 2018-07-25 2018-12-07 芜湖瑞德机械科技有限公司 A kind of efficient numerically controlled polissoir of workpiece
CN108942588A (en) * 2018-08-02 2018-12-07 芜湖德加智能科技有限公司 A kind of intelligent work piece grinding device
CN108942476A (en) * 2018-08-06 2018-12-07 芜湖德加智能科技有限公司 A kind of edge polisher of precision workpiece
CN108942532A (en) * 2018-08-04 2018-12-07 乔斌 A kind of grinding device of machining
CN108972203A (en) * 2018-08-06 2018-12-11 芜湖德加智能科技有限公司 A kind of edging device suitable for precision workpiece

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2445850Y (en) * 2000-09-28 2001-09-05 黄小常 Multistation automatic circular arc grinder
US20040014407A1 (en) * 2002-07-18 2004-01-22 Daisho Seiki Corporation Vertical type of double disc surface grinding machine for a brake disc
CN201214202Y (en) * 2008-03-28 2009-04-01 厦门银华机械有限公司 Bridge type multi-head automatic milling
CN104875087A (en) * 2015-06-03 2015-09-02 佛山思科特光学科技有限公司 Glass polishing machine
CN205834953U (en) * 2016-07-25 2016-12-28 武侯区华聚家私经营部 The Furniture panel polishing governor motion that a kind of thickness of slab is easy to adjust

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2445850Y (en) * 2000-09-28 2001-09-05 黄小常 Multistation automatic circular arc grinder
US20040014407A1 (en) * 2002-07-18 2004-01-22 Daisho Seiki Corporation Vertical type of double disc surface grinding machine for a brake disc
CN201214202Y (en) * 2008-03-28 2009-04-01 厦门银华机械有限公司 Bridge type multi-head automatic milling
CN104875087A (en) * 2015-06-03 2015-09-02 佛山思科特光学科技有限公司 Glass polishing machine
CN205834953U (en) * 2016-07-25 2016-12-28 武侯区华聚家私经营部 The Furniture panel polishing governor motion that a kind of thickness of slab is easy to adjust

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108838763A (en) * 2018-06-23 2018-11-20 芜湖乾凯材料科技有限公司 Pore digital controlled grinding device suitable for workpiece center hole
CN108789110A (en) * 2018-07-03 2018-11-13 芜湖德加智能科技有限公司 A kind of robot burnishing device for workpiece
CN108857828A (en) * 2018-07-25 2018-11-23 芜湖瑞德机械科技有限公司 A kind of efficient numerically controlled polishing machine for work pieces process
CN108942584A (en) * 2018-07-25 2018-12-07 芜湖瑞德机械科技有限公司 A kind of efficient numerically controlled polissoir of workpiece
CN108663266A (en) * 2018-08-01 2018-10-16 芜湖市三山龙城新材料有限公司 A kind of detection device of coating wearability
CN108942588A (en) * 2018-08-02 2018-12-07 芜湖德加智能科技有限公司 A kind of intelligent work piece grinding device
CN108927721A (en) * 2018-08-02 2018-12-04 芜湖德加智能科技有限公司 Grinding device suitable for workpiece intelligent machining
CN108942589A (en) * 2018-08-03 2018-12-07 柴德维 It is a kind of can damping grinding workpieces equipment
CN108857730A (en) * 2018-08-03 2018-11-23 柴德维 Work-piece polishing device with shock-absorbing function
CN108942532A (en) * 2018-08-04 2018-12-07 乔斌 A kind of grinding device of machining
CN108942462A (en) * 2018-08-05 2018-12-07 安徽星光标识系统有限公司 A kind of edging device suitable for metal identification sign board
CN108907953A (en) * 2018-08-05 2018-11-30 安徽星光标识系统有限公司 A kind of edge polisher of metal identification board
CN108942476A (en) * 2018-08-06 2018-12-07 芜湖德加智能科技有限公司 A kind of edge polisher of precision workpiece
CN108972203A (en) * 2018-08-06 2018-12-11 芜湖德加智能科技有限公司 A kind of edging device suitable for precision workpiece
CN108909031A (en) * 2018-08-09 2018-11-30 芜湖三华包装科技有限公司 A kind of trimming device for kraft paper bag production

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Application publication date: 20171208