CN103801744A - Industrial pneumatic edge milling machine - Google Patents
Industrial pneumatic edge milling machine Download PDFInfo
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- CN103801744A CN103801744A CN201410058652.0A CN201410058652A CN103801744A CN 103801744 A CN103801744 A CN 103801744A CN 201410058652 A CN201410058652 A CN 201410058652A CN 103801744 A CN103801744 A CN 103801744A
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Abstract
The invention discloses an industrial pneumatic edge milling machine which comprises a body with an axially through assembly cavity, wherein a milling working cylinder is positioned and assembled in the assembly cavity of the body, and is used for driving a milling tool which is detachably assembled in a splicing way; a regulation device is arranged at the front end of the body in a sleeving and rotating way, and is used for spirally driving a base plate which contacts with the upper plate surface of a milling metal plate in the sliding way and is used for determining the milling depth of the milling tool; a cutting head of the milling tool perpendicularly penetrates through a center hole of the base plate; an air inlet switch component for controlling the milling working cylinder in the rotating way and an exhaust rod component handheld for cutting are fixedly arranged on the peripheral surface of the body respectively; a muffler is arranged at the tail end of the exhaust rod component. The industrial pneumatic edge milling machine is pneumatic and safe, has the characteristics of being stable in machining dimension, high in surface quality, high in cutting efficiency and the like, and is suitable to be used for the edge and hole edge milling of metal plates in the fields of shipbuilding, frames, bridges and the like.
Description
Technical field
The present invention relates to the Milling Process technical field of sheet metal, be particularly applied to a kind of milling edge equipment on metallic plate edge, milling limit, hole, specifically the pneumatic edge milling machines of a kind of technical grade.
Background technology
Edge milling machines is to utilize milling operation principle, and the groove processing before the metal pipe materials such as all kinds of carbon steels, potassium steel, aluminium alloy, stainless steel, copper or sheet material are welded, to improve a kind of processing equipment of metal material moulding edge situation.Edge milling machines can make welding band obtain best edge situation and surface roughness entering before moulding welding sequence, and the welding quality of sheet material or tubing is had to important impact.Edge milling machines common configuration complexity of the prior art, and bulky, power consumption is relatively high, and it is also very inconvenient to operate, and is particularly difficult to nimbly and freely for the milling in various limits, hole, and therefore efficiency is relatively not high.
Summary of the invention
Technical problem to be solved by this invention is that and provide, stock-removing efficiency is high, surface forming quality is good, it is flexible, easy to operate to use for above-mentioned prior art present situation, Pneumatic safety and be suitable for the pneumatic edge milling machines of a kind of technical grade on metallic plate edge, milling limit, hole.
The present invention solves the problems of the technologies described above adopted technical scheme: the pneumatic edge milling machines of a kind of technical grade, comprise the axially penetrating body that is shaped with assembling cavity, in the assembling cavity of body, positioning assembling has milling working cylinder, milling working cylinder drives the equipped milling cutter of can detachable pegging graft, and body front end turning set is equipped with adjusting device, this adjusting device spiral drives to be had with the sliding-contact of milling metallic plate upper face for locating the chassis of milling cutter milling depth, the cutting head of milling cutter is vertically passed the centre bore on chassis, on the side face of body, be installed with respectively the air exhaust rod assembly that rotation is controlled the air inlet switch assembly of milling working cylinder and is convenient to hand-held cutting, the tail end of this air exhaust rod assembly is provided with muffler.
For optimizing technique scheme, the measure of taking also comprises:
Above-mentioned milling working cylinder comprises that in the back cavity that is fixedly mounted on body assembling cavity, cylinder block is fitted in the rotor in cylinder block with rotation; The front-end and back-end of cylinder block respectively fixed cap are furnished with front end-plate and end plate, front end-plate location is embedded with front deep groove ball bearing, in end plate, location is embedded with rear deep groove ball bearing, rotor is worn and is joined mutually with front deep groove ball bearing and rear deep groove ball bearing rotational support respectively, and the uniform blade that is provided with of the first-class radian of the side face of rotor, the front end of rotor is shaped with the driving link coordinating with the fixing grafting of milling cutter in the ante-chamber that extends to body assembling cavity, on the rear end face of body, is fitted with rear end cap.
Above-mentioned milling cutter comprises milling slide, the front end of this milling slide is shaped with cutting head, in described cutting head, tighten screw through blade and be installed with at least three milling cutting inserts, the rear end face of milling slide is axially shaped with the slotted eye that is connected coordinating with the driving link grafting of rotor, drives suit pad on link to be furnished with the lining ring that front/rear end coordinates with front deep groove ball bearing and milling slide apical grafting respectively.
In the ante-chamber of above-mentioned body assembling cavity, nested being provided with milling slide turning set is used in the bearing connected set that improves milling slide rotational stabilization, cone spacer and outer ring spacer that bearing connected set comprises bearing and is equipped with mutually with bearing; On milling slide, be provided with and the spacing back-up ring coordinating of bearing connected set, on the rear end ring surface of body, be pressed with through screw and locked spacer the retaining ring that prevents that bearing connected set from deviating from.
Above-mentioned adjusting device comprises rotates the regulating sleeve that is fitted in the bearing block of body front end and coordinates with bearing block spiral, the outer peripheral face of bearing block is shaped with adjusting external screw thread, regulating sleeve is shaped with the adjusting internal thread suitable with regulating external screw thread, the single-row needle bearing coordinating with the front end outer peripheral face rolling friction of body is installed in bearing block, and chassis is fixedly mounted on the front end ring surface of regulating sleeve.
Above-mentioned body front end is processed with bearing block load segment, bearing block turning set is contained on this bearing block load segment, and the rear end pad of bearing block is furnished with friction shim, the front end pad of bearing block is furnished with spacing shim, is positioned at spacing shim outer end and is installed with circlip for shaft on bearing block load segment.
Above-mentioned air inlet switch assembly comprises the switch Connection Block equipped with the air inlet spiral of body and matches the rotary switch that is formed with the air intake lever of the flow regulator assembly cavity that is positioned at inlet channel and drives air intake lever to slide for spiral with switch Connection Block, in flow regulator assembly cavity, be provided with and be subject to air intake lever slip top to press the flow regulator that opens and closes control air inflow size, the air inlet port spiral of air intake lever is fitted with connector, and this connector is pegged graft to be fitted with and connect soon inlet suction port.
Above-mentioned flow regulator comprises that seal cover fits over the adjuster valve seat of switch Connection Block air inlet port and the volute spring of one end and the top interference fit of adjuster valve seat, the other end of volute spring and the screen pack phase apical grafting that is fitted in air intake lever and gives vent to anger on port.
Above-mentioned air exhaust rod assembly comprises the air exhaust rod being fixedly mounted on body exhaust outlet, and muffler is fitted on the air exit of air exhaust rod, and is pressed with exhaust gas filter net between the air exit of air exhaust rod and muffler, and in described air exhaust rod, fixed cover is equipped with handle.
Above-mentioned muffler is made up of muffler pipe and the noise reduction stone being filled in muffler pipe; Muffler pipe is threaded equipped mutually with air exhaust rod, air exhaust rod assembly and air inlet switch inter-module are clockwise at a distance of 90 degree.
Compared with prior art, the present invention is fitted with milling working cylinder in the assembling cavity of body, drive and have milling cutter by milling working cylinder pneumatic type, and body is set with adjusting device, can utilize adjusting device spiral to drive chassis to regulate the milling depth of milling cutter, the air exhaust rod assembly that rotation is controlled the air inlet switch assembly of milling working cylinder and is convenient to hand-held cutting is installed on the side face of body, and the tail end of this air exhaust rod assembly is provided with and reduces the muffler that voice pollutes.The present invention is according to the needs of existing market, by the meticulous edge milling machines of developing a kind of pneumatic type, that these facility have is safe and convenient to use, dimensionally stable, surface quality are good, stock-removing efficiency high, and the limit, the hole that are highly suitable for the sheet metal in the fields such as shipbuilding, framework, bridge are used in milling limit.
Accompanying drawing explanation
Fig. 1 is the cross-sectional view of the embodiment of the present invention;
Fig. 2 is the sectional structure chart of milling working cylinder in Fig. 1;
Fig. 3 is the structure chart of adjusting device in Fig. 1;
Fig. 4 is the assembly structure schematic diagram of body and bearing connected set in Fig. 1;
Fig. 5 is the structural representation of air inlet switch assembly in Fig. 1.
The specific embodiment
Below in conjunction with accompanying drawing, embodiments of the invention are described in further detail.
Fig. 1 to Fig. 5 is structural representation of the present invention.
Reference numeral is wherein: back-up ring D1, screw D2, locked spacer D3, retaining ring D4, friction shim D5, spacing shim D6, circlip for shaft D7, body 1, ante-chamber 1a, back cavity 1b, rear end cap 11, milling working cylinder 2, cylinder block 21, rotor 22, drive link 22a, front end-plate 23, end plate 24, front deep groove ball bearing 25, rear deep groove ball bearing 26, blade 27, lining ring 28, milling cutter 3, milling slide 31, cutting head 31a, connect slotted eye 31b, blade is tightened screw 32, milling cutting insert 33, adjusting device 4, bearing block 41, regulating sleeve 42, single-row needle bearing 43, chassis 5, centre bore 5a, air inlet switch assembly 6, switch Connection Block 61, air intake lever 62, rotary switch 63, flow regulator 64, adjuster valve seat 64a, volute spring 64b, screen pack 64c, connector 65, connect soon inlet suction port 66, air exhaust rod assembly 7, air exhaust rod 71, exhaust gas filter net 72, handle 73, muffler 8, muffler pipe 81, noise reduction stone 82, bearing connected set 9, bearing 91, cone spacer 92, outer ring spacer 93.
As shown in Figures 1 to 5, the pneumatic edge milling machines of a kind of technical grade of the present invention, comprise the axially penetrating body 1 that is shaped with assembling cavity, wherein: in the assembling cavity of body 1, positioning assembling has milling working cylinder 2, milling working cylinder 2 drives the equipped milling cutter 3 of can detachable pegging graft, and body 1 front end turning set is equipped with adjusting device 4, these adjusting device 4 spirals drive to be had with the sliding-contact of milling metallic plate upper face for locating the chassis 5 of milling cutter 3 milling depths, the cutting head 31a of milling cutter 3 vertically passes the centre bore 5a on chassis 5, on the side face of body 1, be installed with respectively the air exhaust rod assembly 7 that rotation is controlled the air inlet switch assembly 6 of milling working cylinder 2 and is convenient to hand-held cutting, the tail end of this air exhaust rod assembly 7 is provided with muffler 8.The present invention is the edge milling machines for a kind of pneumatic type of sheet metal, and edge milling machines of the prior art mostly is electronic, and complex structure, bulky, and power consumption is relatively high.The present invention adopts pneumatic structure, and energy-saving safe has easy to usely, and stock-removing efficiency is high, and the feature of flexible operation is particularly suitable for using in milling limit in limit, the hole of the sheet metal in the fields such as shipbuilding, framework, bridge.Body 1 is equipped with adjusting device 4, can regulate by adjusting device 4 orientation distance of chassis 5 and sheet metal, thereby guarantees the precision of milling.In use, operating personnel can hand-held air exhaust rod assembly 7 slide and operate flexibly along sheet metal, and air exhaust rod assembly 7 is provided with muffler 8 can reduce the pollution of noise, Optimization Work environment.
In embodiment, incorporated by reference to Fig. 1 and Fig. 2, milling working cylinder 2 comprises and is fixedly mounted in the back cavity 1b that body 1 assembles cavity cylinder block 21 and rotates the rotor 22 being fitted in cylinder block 21; The front-end and back-end of cylinder block 21 respectively fixed cap are furnished with front end-plate 23 and end plate 24, front end-plate 23 location are embedded with front deep groove ball bearing 25, in end plate 24, location is embedded with rear deep groove ball bearing 26, rotor 22 is worn and is joined mutually with front deep groove ball bearing 25 and rear deep groove ball bearing 26 rotational support respectively, and the uniform blade 27 that is provided with of the first-class radian of the side face of rotor 22, the front end of rotor 22 is shaped with and extends in the ante-chamber 1a that body 1 assembles cavity and the fixing driving link 22a that pegs graft and coordinate of milling cutter 3, is fitted with rear end cap 11 on the rear end face of body 1.As can be seen from Figure 1 rear end cap 11 has been press-fitted gasket seal, guarantee milling working cylinder 2 to compress and reinforce, the diameter that body 1 assembles the back cavity 1b of cavity is greater than the diameter of ante-chamber 1a, and blade 27 is installed on rotor 22, and wind-force rotates by blowing blade 27 drive rotors 22.
In embodiment incorporated by reference to Fig. 1 and Fig. 4, milling cutter 3 comprises milling slide 31, the front end of this milling slide 31 is shaped with cutting head 31a, described cutting head 31a is upper to be tightened screw 32 through blade and is installed with at least three milling cutting inserts 33, and milling cutting insert 33 is and waits radian distribution on the cutting head 31a of knife rest.The rear end face of milling slide 31 be axially shaped with the driving link 22a of rotor 22 peg graft coordinate be connected slotted eye 31b, drive the upper suit pad of link 22a to be furnished with the lining ring 28 that front/rear end coordinates with front deep groove ball bearing 25 and milling slide 31 apical graftings respectively.
In embodiment as shown in Figure 4, body 1 assembles nested being provided with milling slide 31 turning sets in the ante-chamber 1a of cavity and is used in the bearing connected set 9 that improves milling slide 31 rotational stabilizations, cone spacer 92 and outer ring spacer 93 that bearing connected set 9 comprises bearing 91 and is equipped with mutually with bearing 91; On milling slide 31, be provided with and the spacing back-up ring D1 coordinating of bearing connected set 9, on the rear end ring surface of body 1, be pressed with through screw D2 and locked spacer D3 the retaining ring D4 that prevents that bearing connected set 9 from deviating from.
In embodiment as shown in Figure 3, adjusting device 4 comprises rotates the regulating sleeve 42 that is fitted in the bearing block 41 of body 1 front end and coordinates with bearing block 41 spirals, the outer peripheral face of bearing block 41 is shaped with adjusting external screw thread, regulating sleeve 42 is shaped with the adjusting internal thread suitable with regulating external screw thread, the single-row needle bearing 43 coordinating with the front end outer peripheral face rolling friction of body 1 is installed in bearing block 41, as can be seen from Figure 3, chassis 5 is fixedly mounted on the front end ring surface of regulating sleeve 42 by countersunk head soket head cap screw.
From Fig. 4, we can be clearly seen that, body 1 front end outer peripheral face is processed with bearing block load segment, bearing block 41 turning sets are contained on this bearing block load segment, and the rear end pad of bearing block 41 is furnished with friction shim D5, the front end pad of bearing block 41 is furnished with spacing shim D6, is positioned at spacing shim D6 outer end and is installed with circlip for shaft D7 on bearing block load segment.
As shown in Figure 5, air inlet switch assembly 6 comprises the switch Connection Block 61 equipped with the air inlet spiral of body 1 and matches the rotary switch 63 that is formed with the air intake lever 62 of the flow regulator assembly cavity that is positioned at inlet channel and drives air intake lever 62 to slide for spiral with switch Connection Block 61; In flow regulator assembly cavity, be provided with and be subject to air intake lever 62 slip tops to press the flow regulator 64 that opens and closes control air inflow size, the air inlet port spiral of air intake lever 62 is fitted with connector 65, this connector 65 peg graft be fitted with convenient be connected with external tracheae be equipped with connect soon inlet suction port 66.Rotary switch 63 is gas gauge tap, drives flow regulator 64 to realize adjusting and the keying of cylinder intake air quantity by rotation rotary switch 63.
In embodiment, please continue referring to Fig. 5, flow regulator 64 comprises that seal cover fits over the adjuster valve seat 64a of switch Connection Block 61 air inlet ports and the volute spring 64b of one end and adjuster valve seat 64a top interference fit, the other end of volute spring 64b and the screen pack 64c phase apical grafting that is fitted in air intake lever 62 and gives vent to anger on port.Screen pack 64c plays a part to purify air, and guarantees to enter the air clean hygiene of milling working cylinder 2, thus the service life that can improve whole machine.
In embodiment as shown in Figure 1, air exhaust rod assembly 7 comprises the air exhaust rod 71 being fixedly mounted on body 1 exhaust outlet, muffler 8 is fitted on the air exit of air exhaust rod 71, and between the air exit of air exhaust rod 71 and muffler 8, be pressed with exhaust gas filter net 72, in air exhaust rod 71, fixed cover is equipped with handle 73.Handle 73 can be convenient for people to hold better, the gripping while guaranteeing milling.
In embodiment, muffler 8 is made up of muffler pipe 81 and the noise reduction stone 82 being filled in muffler pipe 81; Muffler pipe 81 is threaded equipped mutually with air exhaust rod 71.Between air exhaust rod assembly 7 and air inlet switch assembly 6, spend at a distance of 90 clockwise.Radian between air exhaust rod assembly 7 and air inlet switch assembly 6 can certainly design as required, its objective is for convenient milling.
Using method of the present invention is as follows: press the rotary switch 63 of the switch module of rotating inlet shown in Fig. 16, open inlet channel, now milling working cylinder 2 is worked, and rotor 22 drives milling cutter 3 to start rotation.Then chassis 5 is placed on the metallic plate that needs processing, move along chassis 5 and the contact-making surface of processing metal plate, now should be noted that it is to move during near cutting edge too fast when milling cutting insert 33, prevent that milling cutting insert 33 and corner angle from impacting the excessive tipping that causes, after milling cutting insert 33 touches metallic plate seamed edge, cutting starts, when advancing along seamed edge, chassis 5 can carry out normal cutting operation, cutting speed: for caution's sake, preferably press the use of 2m/min-3m/min.The present invention is that our company needs by existing market and the experience that is combined on pneumatic tool is for many years developed the product forming meticulously, have that safe and convenient to use, dimensionally stable, surface quality are good, stock-removing efficiency high, the limit, the hole that are highly suitable for the sheet metal in the fields such as shipbuilding, framework, bridge are used in milling limit.
Claims (10)
1. the pneumatic edge milling machines of technical grade, comprise the axially penetrating body (1) that is shaped with assembling cavity, it is characterized in that: in the assembling cavity of described body (1), positioning assembling has milling working cylinder (2), described milling working cylinder (2) drives the equipped milling cutter (3) of can detachable pegging graft, and described body (1) front end turning set is equipped with adjusting device (4), this adjusting device (4) spiral drives to be had with the sliding-contact of milling metallic plate upper face for locating the chassis (5) of milling cutter (3) milling depth, the cutting head (31a) of described milling cutter (3) is vertically passed the centre bore (5a) on chassis (5), on the side face of described body (1), be installed with respectively the air exhaust rod assembly (7) that rotation is controlled the air inlet switch assembly (6) of milling working cylinder (2) and is convenient to hand-held cutting, the tail end of this air exhaust rod assembly (7) is provided with muffler (8).
2. the pneumatic edge milling machines of a kind of technical grade according to claim 1, is characterized in that: described milling working cylinder (2) comprises that the middle cylinder block (21) of back cavity (1b) and the rotation that are fixedly mounted on body (1) assembling cavity are fitted in the rotor (22) in cylinder block (21), the front-end and back-end of described cylinder block (21) respectively fixed cap are furnished with front end-plate (23) and end plate (24), described front end-plate (23) location is embedded with front deep groove ball bearing (25), in described end plate (24), location is embedded with rear deep groove ball bearing (26), described rotor (22) is worn and is joined mutually with front deep groove ball bearing (25) and rear deep groove ball bearing (26) rotational support respectively, and the uniform blade (27) that is provided with of the first-class radian of side face of described rotor (22), the front end of described rotor (22) is shaped with the driving link (22a) coordinating with the fixing grafting of milling cutter (3) in the ante-chamber (1a) that extends to body (1) assembling cavity, on the rear end face of described body (1), be fitted with rear end cap (11).
3. the pneumatic edge milling machines of a kind of technical grade according to claim 2, it is characterized in that: described milling cutter (3) comprises milling slide (31), the front end of this milling slide (31) is shaped with cutting head (31a), above tighten screw (32) through blade is installed with at least three milling cutting inserts (33) to described cutting head (31a), the rear end face of described milling slide (31) be axially shaped with the driving link (22a) of rotor (22) peg graft coordinate be connected slotted eye (31b), the upper suit pad of described driving link (22a) is furnished with the lining ring (28) that front/rear end coordinates with ball bearing (25) and milling slide (31) apical grafting of front zanjon respectively.
4. the pneumatic edge milling machines of a kind of technical grade according to claim 3, it is characterized in that: in the ante-chamber (1a) of described body (1) assembling cavity, nested being provided with milling slide (31) turning set is used in the bearing connected set (9) that improves milling slide (31) rotational stabilization, and described bearing connected set (9) comprises bearing (91) and cone spacer (92) and the outer ring spacer (93) mutually equipped with bearing (91); On described milling slide (31), be provided with and the spacing back-up ring coordinating of bearing connected set (9) (D1), on the rear end ring surface of described body (1), be pressed with through screw (D2) and locked spacer (D3) retaining ring (D4) that prevents that bearing connected set (9) from deviating from.
5. the pneumatic edge milling machines of a kind of technical grade according to claim 4, it is characterized in that: described adjusting device (4) comprises rotates the regulating sleeve (42) that is fitted in the bearing block (41) of body (1) front end and coordinates with bearing block (41) spiral, the outer peripheral face of described bearing block (41) is shaped with adjusting external screw thread, described regulating sleeve (42) is shaped with the adjusting internal thread suitable with regulating external screw thread, the single-row needle bearing (43) coordinating with the front end outer peripheral face rolling friction of body (1) is installed in described bearing block (41), described chassis (5) is fixedly mounted on the front end ring surface of regulating sleeve (42).
6. the pneumatic edge milling machines of a kind of technical grade according to claim 5, it is characterized in that: described body (1) front end is processed with bearing block load segment, described bearing block (41) turning set is contained on this bearing block load segment, and the rear end pad of described bearing block (41) is furnished with friction shim (D5), the front end pad of described bearing block (41) is furnished with spacing shim (D6), is positioned at spacing shim (D6) outer end and is installed with circlip for shaft (D7) on described bearing block load segment.
7. the pneumatic edge milling machines of a kind of technical grade according to claim 6, it is characterized in that: described air inlet switch assembly (6) comprises the switch Connection Block (61) equipped with the air inlet spiral of body (1) and matches the rotary switch (63) that is formed with the air intake lever (62) of the flow regulator assembly cavity that is positioned at inlet channel and drives air intake lever (62) to slide for spiral with switch Connection Block (61), in described flow regulator assembly cavity, be provided with and be subject to air intake lever (62) slip top to press the flow regulator (64) that opens and closes control air inflow size, the air inlet port spiral of described air intake lever (62) is fitted with connector (65), this connector (65) is pegged graft to be fitted with and is connect soon inlet suction port (66).
8. the pneumatic edge milling machines of a kind of technical grade according to claim 7, it is characterized in that: described flow regulator (64) comprises that seal cover fits over the adjuster valve seat (64a) of switch Connection Block (61) air inlet port and the volute spring (64b) of one end and adjuster valve seat (64a) top interference fit the other end of described volute spring (64b) and screen pack (64c) the phase apical grafting that is fitted in air intake lever (62) and gives vent to anger on port.
9. the pneumatic edge milling machines of a kind of technical grade according to claim 8, it is characterized in that: described air exhaust rod assembly (7) comprises the air exhaust rod (71) being fixedly mounted on body (1) exhaust outlet, described muffler (8) is fitted on the air exit of air exhaust rod (71), and between the air exit of described air exhaust rod (71) and muffler (8), be pressed with exhaust gas filter net (72), the upper fixed cover of described air exhaust rod (71) is equipped with handle (73).
10. the pneumatic edge milling machines of a kind of technical grade according to claim 9, is characterized in that: described muffler (8) is made up of muffler pipe (81) and the noise reduction stone (82) that is filled in muffler pipe (81); Described muffler pipe (81) is threaded equipped mutually with air exhaust rod (71), between described air exhaust rod assembly (7) and air inlet switch assembly (6), spend clockwise at a distance of 90.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410058652.0A CN103801744B (en) | 2014-02-21 | 2014-02-21 | A kind of pneumatic edge milling machines of technical grade |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410058652.0A CN103801744B (en) | 2014-02-21 | 2014-02-21 | A kind of pneumatic edge milling machines of technical grade |
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| CN103801744A true CN103801744A (en) | 2014-05-21 |
| CN103801744B CN103801744B (en) | 2016-06-22 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106112079A (en) * | 2016-08-16 | 2016-11-16 | 山东万事达建筑钢品股份有限公司 | A kind of cold storage plate edge milling machines |
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| CN106112079A (en) * | 2016-08-16 | 2016-11-16 | 山东万事达建筑钢品股份有限公司 | A kind of cold storage plate edge milling machines |
| CN106112079B (en) * | 2016-08-16 | 2018-07-06 | 山东万事达建筑钢品股份有限公司 | A kind of cold storage plate edge milling machines |
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| CN103801744B (en) | 2016-06-22 |
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Effective date of registration: 20170720 Address after: 315021, No. 188, Nanjing East Road, Jiangbei District, Zhejiang, Ningbo Patentee after: Ningbo Xinxing Pneumatic Tool Co., Ltd. Address before: 315040, No. 188, Nanjing East Road, Jiangbei District, Zhejiang, Ningbo Patentee before: Zhuang Shiliang |