CN109483361A - A kind of carbon-point chamfering apparatus for end - Google Patents

A kind of carbon-point chamfering apparatus for end Download PDF

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Publication number
CN109483361A
CN109483361A CN201811279817.1A CN201811279817A CN109483361A CN 109483361 A CN109483361 A CN 109483361A CN 201811279817 A CN201811279817 A CN 201811279817A CN 109483361 A CN109483361 A CN 109483361A
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CN
China
Prior art keywords
frame
cylinder
carbon
fixed
point
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Granted
Application number
CN201811279817.1A
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Chinese (zh)
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CN109483361B (en
Inventor
侯大伟
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.)
Bozhou Yazhu New Material Co.,Ltd.
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Bozhou Yazhu Carbon Co Ltd
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Priority to CN201811279817.1A priority Critical patent/CN109483361B/en
Publication of CN109483361A publication Critical patent/CN109483361A/en
Application granted granted Critical
Publication of CN109483361B publication Critical patent/CN109483361B/en
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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
    • 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
    • B24B47/20Drives or gearings; Equipment therefor relating to feed movement

Abstract

The invention discloses a kind of carbon-point chamfering apparatus for end, it is related to graphite carbon rod technical field of processing equipment, including pedestal, the pedestal is equipped with lower frame body, the lower frame body slidably connects upper frame body, first motor is fixed on the inside of the upper frame body, fixed link and lead screw, the first supporting plate is fixed at the top of the upper frame body, first supporting plate is equipped with cylinder and sliding block, first hydraulic cylinder is fixed at the top of the sliding block, the second supporting plate is connected on the telescopic rod of the first hydraulic cylinder, the second motor is successively arranged at the top of second supporting plate, support plate and cylinder frame, cylinder is slidably connected in the cylinder frame, shaft is fixed on the left of the cylinder, the right side of first supporting plate is equipped with support base, the support base is fixed on the top of upper frame body, sand mill is installed on the support base, the interior lateral edge axis of the cylinder The heart is symmetrically arranged with clamping device, and carbon-point chamfering precision of the present invention is high and is suitable for the chamfering of different size carbon-point.

Description

A kind of carbon-point chamfering apparatus for end
Technical field
The present invention relates to graphite carbon rod technical field of processing equipment, and in particular to a kind of carbon-point chamfering apparatus for end.
Background technique
Carbon-point is on-metallic article, as the cutting consumptive material before the welding of one of carbon arc air gouging cutting technique indispensability, It is that adhesive appropriate is added by carbon, graphite, it is molding by extrusion, one layer of copper is plated after 2200 DEG C bake rotation section and is made, it is resistance to High temperature, electric conductivity is good, not easy to break, is suitable for Metal Cutting at satisfactory shape, generally, for medical treatment etc. The carbon-point that field uses needs to carry out chamfering to an end margin of carbon-point, and is usually to be carried out on abrasive machine using manual mode Chamfering is ground, but workload needed for the carbon-point that produces of this mode is not only big, but also chamfering grinds size disunity.
Chinese patent application is that CN201420313964.7 discloses a kind of carbon-point end chamfering machine, including rack, sand milling Machine, carbon-point directive wheel and carbon-point guide plate;The carbon-point directive wheel has identical a pair, is the first and second carbon-point directive wheel respectively, They are filled on the rack by bearing;It include wheel body and multiple same grooves for any carbon-point directive wheel;Each groove is evenly arranged on The outer rim of wheel body, the axial direction of groove and the axial direction of wheel body are identical;The axial direction and ground level of two wheel bodys, and in power device Driving is lower to be rotated synchronously;For a pair of of groove in same level height on two wheel bodys, their angular speed is identical;Sand The grinding wheel of grinding machine is located at the side of the first carbon-point directive wheel, and the second carbon-point directive wheel is located at the other side of the first carbon-point directive wheel; Grinding wheel is identical with the axial direction of carbon-point directive wheel, and rotation direction is opposite;Grinding wheel the first carbon-point directive wheel rotation direction before Side.The using effect of the beveler is splendid, and the carbon-point chamfering of processing is uniform.But this kind of equipment still has and grinds size Not fine enough the and nonadjustable defect of working face.
Chinese patent application is that CN201721387378 discloses a kind of rubber roller grinding facing attachment, including lathe, fixation Portion and grinding part, fixed part and grinding part are connected with lathe respectively, and fixed part includes lathe plug, locking nut and several linings Set, lathe plug are provided with step, and bushing, which is socketed on lathe plug, is divided into several stations for lathe plug, and grinding part includes Fixed bistrique frame, fixed bistrique and several movable bistriques, movable bistrique are slideably connect with sliding rail, fixed part axis and grinding Portion's sliding rail is parallel, if the dry sleeve being arranged on lathe plug the station formed between step and locking nut can be divided into it is several A station, and it is provided with movable bistrique on position corresponding with bushing on the sliding rail of grinding part, compared with traditional use circle The method that grinding machine can only once be ground one side chamfering improves the working efficiency of chamfering grinding, and bushing and movable bistrique are Removably, the using flexible and convenience of rubber roller grinding facing attachment are improved, but the equipment still has artificial labor Power is big, time-consuming and laborious defect.
Summary of the invention
The purpose of the present invention is to provide a kind of carbon-point chamfering apparatus for end, caused by the prior art above-mentioned more to solve Item defect.
A kind of carbon-point chamfering apparatus for end, including pedestal, the pedestal are equipped with lower frame body, and the lower frame body is slidably connected There is upper frame body, is fixed with first motor and fixed link on the inside of the upper frame body, is connected with silk on the output shaft of the first motor Thick stick, the lead screw are rotationally connected with upper frame body, and the fixed link is slidably connected to lower frame body, and the lead screw is matched with lower frame body screw thread It closes, the first supporting plate is fixed at the top of the upper frame body, first supporting plate is equipped with second sliding slot, sliding in the second sliding slot It is connected with sliding block, is equipped with cylinder in the second sliding slot, the telescopic rod of the cylinder is connect with sliding block, and the top of the sliding block is solid Surely there is first hydraulic cylinder, the second supporting plate is connected on the telescopic rod of the first hydraulic cylinder, the top of second supporting plate is successively Equipped with the second motor, support plate and cylinder frame, the first belt pulley, the cylinder frame are connected on the output shaft of second motor Inside be equipped with groove, slidably connect cylinder in the groove, shaft, the shaft rotation be fixed on the left of the cylinder It is connected to support plate, one end that the shaft passes through support plate is connected with the second belt pulley, first belt pulley and the second skin Belt is connected between belt wheel, the right side of first supporting plate is equipped with support base, and the support base is fixed on the top of upper frame body, Sand mill is installed on the support base, grinding wheel, the interior lateral edge axle center of the cylinder are connected on the output shaft of the sand mill It is symmetrically arranged with clamping device.
Preferably, the clamping device includes second hydraulic cylinder and clamping plate, and the second hydraulic cylinder is vertical and is fixed on circle Cylinder inside, the Boards wall is on the telescopic rod of second hydraulic cylinder.
Preferably, the clamping plate section is arc-shaped.
Preferably, protection board is equipped on the inside of the upper frame body.
Preferably, the top of the upper frame body is equipped with limited block, and the limited block is set between the first supporting plate and support base.
Preferably, the pedestal is equipped with baffle, and the baffle has two pieces and is symmetrically set in upper frame body two sides.
The present invention has the advantages that may be implemented to clamp carbon-point by setting clamp device, by the way that frosted is arranged Machine may be implemented to carry out chamfering to carbon-point end, by the way that lead screw transmission is arranged, can make the operator it is suitable for different height The use of member can make to carry out chamfering it is suitable for the carbon-point of different in width by setting hydraulic cylinder, meanwhile, pass through and gas is set Cylinder may be implemented to carry out the carbon-point of different length end-beveling, and carbon-point chamfering precision of the present invention is high and is suitable for different size The chamfering of carbon-point.
Detailed description of the invention:
Fig. 1 is main view of the invention.
Fig. 2 is the sectional view of main view of the invention.
Fig. 3 is the enlarged diagram of the part A of Fig. 1.
Fig. 4 is the structural schematic diagram of clamping plate part of the present invention.
Fig. 5 is the structural schematic diagram of lower frame body portion of the present invention.
Wherein, 1- pedestal, 2- lower frame body, 3- upper frame body, 4- protection board, 5- first motor, 6- lead screw, 7- fixed link, 8- First supporting plate, 9- second sliding slot, 10- sliding block, 11- cylinder, 12- first hydraulic cylinder, the second supporting plate of 13-, the second motor of 14-, 15- Support plate, 16- cylinder frame, the first belt pulley of 17-, 18- groove, 19- cylinder, 20- shaft, the second belt pulley of 21-, 22- belt, 23- support base, 24- sand mill, 25- grinding wheel, 26- clamping device, 27- second hydraulic cylinder, 28- clamping plate, 29- limited block, 30- gear Plate.
Specific embodiment
To be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, below with reference to Specific embodiment, the present invention is further explained.
Embodiment 1
As shown in Figures 1 to 5, a kind of carbon-point chamfering apparatus for end, including pedestal 1, the pedestal 1 are equipped with lower frame body 2, The lower frame body 2 slidably connects upper frame body 3, is fixed with first motor 5 and fixed link 7 on the inside of the upper frame body 3, and described first Lead screw 6 is connected on the output shaft of motor 5, the lead screw 6 is rotationally connected with upper frame body 3, and the fixed link 7 is slidably connected to down Framework 2,2 bottom of lower frame body are equipped with threaded hole, and the lower frame body 2 is threadedly connected to lead screw 6, the upper ledge by threaded hole The first supporting plate 8 is fixed at the top of body 3, first supporting plate 8 is equipped with second sliding slot 9, slidably connects in the second sliding slot 9 Sliding block 10, the second sliding slot 9 is interior to be equipped with cylinder 11, and the telescopic rod of the cylinder 11 is connect with sliding block 10, the sliding block 10 Top is fixed with first hydraulic cylinder 12, is connected with the second supporting plate 13 on the telescopic rod of the first hydraulic cylinder 12, and described second The top of plate 13 is successively arranged the second motor 14, support plate 15 and cylinder frame 16, connects on the output shaft of second motor 14 There is the first belt pulley 17, the inside of the cylinder frame 16 is equipped with groove 18, slidably connects cylinder 19 in the groove 18, described The Left-side center position of cylinder 19 is fixed with shaft 20, and the shaft 20 is rotationally connected with support plate 15, and the shaft 20 passes through One end of support plate 15 is connected with the second belt pulley 21, is connected with belt between first belt pulley 17 and the second belt pulley 21 22, the right side of first supporting plate 8 is equipped with support base 23, and the support base 23 is fixed on the top of upper frame body 3, the support base Sand mill 24 is installed on 23, grinding wheel 25, the interior lateral edge axle center of the cylinder 19 are connected on the output shaft of the sand mill 24 It is symmetrically arranged with clamping device 26.
In the present embodiment, protection board 4 is equipped on the inside of the upper frame body 3, the protection board 4 can protect first motor 5, It will not be destroyed because of the relative motion of upper frame body 3 and lower frame body 2, the top of the upper frame body 3 is equipped with limited block 29, the limit Position block 29 is set between the first supporting plate 8 and support base 23, can be used for limiting protection slide block movement, and the pedestal 1 is equipped with gear Plate 30, the baffle 30 have two pieces and are symmetrically set in 3 two sides of upper frame body, can be used for the movement of Auxiliary support upper frame body 3.
Embodiment 2
As shown in Figure 1 and Figure 5, a kind of carbon-point chamfering apparatus for end, including pedestal 1, the pedestal 1 are equipped with lower frame body 2, The lower frame body 2 slidably connects upper frame body 3, is fixed with first motor 5 and fixed link 7 on the inside of the upper frame body 3, and described first Lead screw 6 is connected on the output shaft of motor 5, the lead screw 6 is rotationally connected with upper frame body 3, and the fixed link 7 is slidably connected to down Framework 2,2 bottom of lower frame body are equipped with threaded hole, and the lower frame body 2 is threadedly connected to lead screw 6, the upper ledge by threaded hole The first supporting plate 8 is fixed at the top of body 3, first supporting plate 8 is equipped with second sliding slot 9, slidably connects in the second sliding slot 9 Sliding block 10, the second sliding slot 9 is interior to be equipped with cylinder 11, and the telescopic rod of the cylinder 11 is connect with sliding block 10, the sliding block 10 Top is fixed with first hydraulic cylinder 12, is connected with the second supporting plate 13 on the telescopic rod of the first hydraulic cylinder 12, and described second The top of plate 13 is successively arranged the second motor 14, support plate 15 and cylinder frame 16, connects on the output shaft of second motor 14 There is the first belt pulley 17, the inside of the cylinder frame 16 is equipped with groove 18, slidably connects cylinder 19 in the groove 18, described The Left-side center position of cylinder 19 is fixed with shaft 20, and the shaft 20 is rotationally connected with support plate 15, and the shaft 20 passes through One end of support plate 15 is connected with the second belt pulley 21, is connected with belt between first belt pulley 17 and the second belt pulley 21 22, the right side of first supporting plate 8 is equipped with support base 23, and the support base 23 is fixed on the top of upper frame body 3, the support base Sand mill 24 is installed on 23, grinding wheel 25, the interior lateral edge axle center of the cylinder 19 are connected on the output shaft of the sand mill 24 It is symmetrically arranged with clamping device 26.
In the present embodiment, the clamping device 26 includes second hydraulic cylinder 27 and clamping plate 28, the second hydraulic cylinder 27 Vertically and it is fixed on 19 inside of cylinder, the clamping plate 28 is fixed on the telescopic rod of second hydraulic cylinder 27,28 section of clamping plate It is arc-shaped, the clamping to carbon-point may be implemented.
In addition, being equipped with protection board 4 on the inside of the upper frame body 3, the protection board 4 can protect first motor 5, will not be because of The relative motion of upper frame body 3 and lower frame body 2 is destroyed, and the top of the upper frame body 3 is equipped with limited block 29, and the limited block 29 is set Between the first supporting plate 8 and support base 23, it can be used for limiting protection slide block movement, the pedestal 1 is equipped with baffle 30, described Baffle 30 has two pieces and is symmetrically set in 3 two sides of upper frame body, can be used for the movement of Auxiliary support upper frame body 3.
The course of work and principle: when needing to carry out end-beveling to carbon-point, carbon-point is placed in the clamping plate 28 being below Inside, carbon-point do not need chamfering one end to its clamping plate 28 close to the side of belt 22, starts second hydraulic cylinder 27, driving pair The clamping plate 28 of setting is claimed to do synchronous relative motion, wherein the position of grinding wheel 25 be in the top of the clamped state of carbon-point, in clamping plate Side material will not cause to damage to carbon-point, after carbon-point is clamped, start the second motor 14, the rotation of the first belt pulley 17 passes through Belt 22 drives the rotation of the second belt pulley 21, i.e. shaft 20 rotates, and drives cylinder 19 to rotate in cylinder frame 16, i.e., carbon-point does edge Turnover movement is done in its axle center, starts sand mill 24, and grinding wheel 25 is rotated, and starts first hydraulic cylinder 12, carbon-point is made to rise to sand Position is ground, chamfering is completed, and the second motor 14 is closed, and closes first hydraulic cylinder 12, and carbon-point is made to fall to home, stops second Hydraulic cylinder 27 makes symmetrically arranged clamping plate 28 backwards to moving, takes out carbon-point, wherein carbon-point, which does turnover movement, need to guarantee to do half cycle The turnover campaign of multiple is put into next carbon-point to be processed and is as above operated if continuous work need to be carried out, closing when not needing Sand mill 24, wherein by cylinder 11, may be implemented to carry out end-beveling to the carbon-point of different length, pass through the first electricity of starting Machine 5, driving lead screw 6 rotate, and upper frame body 3 and lower frame body 2 can be made to do relative motion, so as to adjust the height of working face Degree.
Based on above-mentioned, by the way that clamp device is arranged, may be implemented to clamp carbon-point, it, can be with by the way that grinding machine is arranged It realizes and chamfering is carried out to carbon-point end, by the way that lead screw transmission is arranged, making for the operator it is suitable for different height can be made With, by the way that hydraulic cylinder is arranged, can make to carry out chamfering it is suitable for the carbon-point of different in width, meanwhile, it, can be with by the way that cylinder is arranged It realizes and end-beveling is carried out to the carbon-point of different length, carbon-point chamfering precision of the present invention is high and is suitable for falling for different size carbon-point Angle.
As known by the technical knowledge, the present invention can pass through the embodiment party of other essence without departing from its spirit or essential feature Case is realized.Therefore, embodiment disclosed above, in all respects are merely illustrative, not the only.Institute Have within the scope of the present invention or is included in the invention in the change being equal in the scope of the present invention.

Claims (6)

1. a kind of carbon-point chamfering apparatus for end, which is characterized in that including pedestal (1), the pedestal (1) is equipped with lower frame body (2), The lower frame body (2) slidably connects upper frame body (3), is fixed with first motor (5) and fixed link on the inside of the upper frame body (3) (7), it is connected with lead screw (6) on the output shaft of the first motor (5), the lead screw (6) is rotationally connected with upper frame body (3), institute It states fixed link (7) to be slidably connected to lower frame body (2), the lead screw (6) is threadedly engaged with lower frame body (2), upper frame body (3) top Portion is fixed with the first supporting plate (8), and first supporting plate (8) is equipped with second sliding slot (9), and sliding connects in the second sliding slot (9) It is connected to sliding block (10), is equipped with cylinder (11) in the second sliding slot (9), the telescopic rod of the cylinder (11) and sliding block (10) are even It connects, is fixed with first hydraulic cylinder (12) at the top of the sliding block (10), is connected on the telescopic rod of the first hydraulic cylinder (12) Second supporting plate (13) is successively arranged the second motor (14), support plate (15) and cylinder frame at the top of second supporting plate (13) (16), it is connected with the first belt pulley (17) on the output shaft of second motor (14), the inside of the cylinder frame (16) is equipped with Groove (18), the groove (18) is interior to be slidably connected cylinder (19), is fixed with shaft (20), institute on the left of the cylinder (19) It states shaft (20) to be rotationally connected with support plate (15), one end that the shaft (20) passes through support plate (15) is connected with the second belt It takes turns (21), is connected with belt (22) between first belt pulley (17) and the second belt pulley (21), first supporting plate (8) Right side is equipped with support base (23), and the support base (23) is fixed on the top of upper frame body (3), is equipped on the support base (23) Sand mill (24) is connected with grinding wheel (25) on the output shaft of the sand mill (24), the interior lateral edge axle center pair of the cylinder (19) Claim to be equipped with clamping device (26).
2. a kind of carbon-point chamfering apparatus for end according to claim 1, which is characterized in that the clamping device (26) includes Second hydraulic cylinder (27) and clamping plate (28), the second hydraulic cylinder (27) is vertical and is fixed on the inside of cylinder (19), the clamping plate (28) it is fixed on the telescopic rod of second hydraulic cylinder (27).
3. a kind of carbon-point chamfering apparatus for end according to claim 2, which is characterized in that clamping plate (28) section is in circle Arc.
4. a kind of carbon-point chamfering apparatus for end according to claim 1, which is characterized in that set on the inside of the upper frame body (3) There are protection board (4).
5. a kind of carbon-point chamfering apparatus for end according to claim 1, which is characterized in that the top of the upper frame body (3) Equipped with limited block (29), the limited block (29) is set between the first supporting plate (8) and support base (23).
6. a kind of carbon-point chamfering apparatus for end according to claim 1, which is characterized in that the pedestal (1) is equipped with gear Plate (30), the baffle (30) have two pieces and are symmetrically set in upper frame body (3) two sides.
CN201811279817.1A 2018-10-30 2018-10-30 Carbon-point tip chamfer device Active CN109483361B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811279817.1A CN109483361B (en) 2018-10-30 2018-10-30 Carbon-point tip chamfer device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811279817.1A CN109483361B (en) 2018-10-30 2018-10-30 Carbon-point tip chamfer device

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CN109483361B CN109483361B (en) 2020-03-31

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111730767A (en) * 2020-06-29 2020-10-02 亳州市亚珠新材料有限公司 End chamfering equipment for carbon rod machining and working method thereof
CN112621434A (en) * 2020-12-08 2021-04-09 湖南利钢金属制品有限公司 Chamfer grinding device is used in galvanized steel pipe processing

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103612179A (en) * 2013-11-07 2014-03-05 宁波宁创自动化设备有限公司 PC spherical surface manufacturing machine for ceramic inserting core
CN105364089A (en) * 2015-11-14 2016-03-02 安徽合叉叉车有限公司 Chamfering device for inner wall of wire conduit of forklift truck
CN206066124U (en) * 2016-10-13 2017-04-05 山东高原新材料科技有限公司 Composite glass steel pipe beveler
CN207534601U (en) * 2017-11-30 2018-06-26 常州市武进长虹结晶器有限公司 Crystallizer copper pipe inner wall-burnishing machine

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103612179A (en) * 2013-11-07 2014-03-05 宁波宁创自动化设备有限公司 PC spherical surface manufacturing machine for ceramic inserting core
CN105364089A (en) * 2015-11-14 2016-03-02 安徽合叉叉车有限公司 Chamfering device for inner wall of wire conduit of forklift truck
CN206066124U (en) * 2016-10-13 2017-04-05 山东高原新材料科技有限公司 Composite glass steel pipe beveler
CN207534601U (en) * 2017-11-30 2018-06-26 常州市武进长虹结晶器有限公司 Crystallizer copper pipe inner wall-burnishing machine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111730767A (en) * 2020-06-29 2020-10-02 亳州市亚珠新材料有限公司 End chamfering equipment for carbon rod machining and working method thereof
CN112621434A (en) * 2020-12-08 2021-04-09 湖南利钢金属制品有限公司 Chamfer grinding device is used in galvanized steel pipe processing

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Address after: 236800 Qianma in the West Suburb of Baocheng District, Bozhou City, Anhui Province

Patentee after: Bozhou Yazhu New Material Co.,Ltd.

Address before: 236800 Qianma in the West Suburb of Baocheng District, Bozhou City, Anhui Province

Patentee before: BOZHOU YAZHU CARBON Co.,Ltd.