CN105689572A - Automatic feeding device used for power copper pipe expanding machine - Google Patents

Automatic feeding device used for power copper pipe expanding machine Download PDF

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Publication number
CN105689572A
CN105689572A CN201610089158.XA CN201610089158A CN105689572A CN 105689572 A CN105689572 A CN 105689572A CN 201610089158 A CN201610089158 A CN 201610089158A CN 105689572 A CN105689572 A CN 105689572A
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CN
China
Prior art keywords
feeding
fore
conveying plate
pipe
plate
Prior art date
Application number
CN201610089158.XA
Other languages
Chinese (zh)
Inventor
不公告发明人
Original Assignee
赵牧青
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 赵牧青 filed Critical 赵牧青
Priority to CN201610089158.XA priority Critical patent/CN105689572A/en
Priority to CN201410318688.8A priority patent/CN104056973B/en
Publication of CN105689572A publication Critical patent/CN105689572A/en

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D41/00Application of procedures in order to alter the diameter of tube ends
    • B21D41/02Enlarging
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D43/00Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
    • B21D43/003Positioning devices
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D43/00Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
    • B21D43/02Advancing work in relation to the stroke of the die or tool
    • B21D43/16Advancing work in relation to the stroke of the die or tool by gravity, e.g. chutes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D45/00Ejecting or stripping-off devices arranged in machines or tools dealt with in this subclass
    • B21D45/02Ejecting devices

Abstract

The invention discloses an automatic feeding device used for a power copper pipe expanding machine. The automatic feeding device comprises a bearing part, a jacking air cylinder, a partition part, a feeding jacking column and a discharging jacking column, wherein the bearing part is fixedly arranged on a support; the partition part is arranged between the bearing part and a material conveying mechanism; an inclined material transferring face is arranged on the top wall of the partition part; the feeding jacking column and the discharging jacking column are fixedly arranged on a jacking air cylinder piston; the top wall of the feeding jacking column is provided with an inclined feeding face; a jacking through hole matched with the feeding jacking column is formed in the front end of the material conveying mechanism; the feeding jacking column is driven by the jacking air cylinder piston to upwards penetrate through the jacking through hole and jacks one material pipe, abutting against the partition part, inside the material conveying mechanism; a sliding groove is formed in the top wall of the bearing part, and the discharging jacking column is driven by the jacking air cylinder piston to move up and down along the sliding groove; and the top wall of the discharging jacking column is provided with a discharging face downwards inclined from back to front. Automatic rolling feeding and discharging are achieved through self gravity of material pipes, and accordingly the machining efficiency is effectively improved.

Description

A kind of automatic charging device for electric power copper pipe flaring machine

Technical field

The invention belongs to materials in the tube processing technique field, be specifically related to a kind of automatic charging device for electric power copper pipe flaring machine。

Background technology

Existing materials in the tube pipe-expanding machine, its length is general longer, takes up room relatively big, relatively costly and the source of trouble is more, and its structure exists needs improvements badly。

Summary of the invention

It is an object of the invention to provide a kind of self gravitation utilizing material pipe, automatically roll feeding and discharging, thus effectively promoting the automatic charging device for electric power copper pipe flaring machine of working (machining) efficiency。

The technical scheme realizing the object of the invention is: a kind of automatic charging device for electric power copper pipe flaring machine, including support, feeding unit and material jacking mechanism;Feeding unit includes the first conveying plate, the second conveying plate, the 3rd conveying plate, front retainer plate and back striker plate;First conveying plate, the second conveying plate, the 3rd conveying plate cross sectional shape be U-shaped;First conveying plate, the second conveying plate, the 3rd conveying plate all have angle with horizontal plane and are obliquely installed, and combine the zigzag forming inclination;One it is provided with more than the gap of single material pipe as the second feed opening between rear end and the back striker plate of the second conveying plate;Material jacking mechanism includes roof and is provided with the supporting member of the semicircle support slot adaptive with expecting pipe, arranges material ejection cylinder on the bearer, is fixedly installed on the bearer and the separator adjacent with the 3rd conveying front edge of board, the feeding fore-set for a material pipe adjacent with separator in upwards jack-up the 3rd conveying plate, the discharging fore-set for the material pipe in the semicircle support slot of upwards jack-up supporting member;Supporting member is fixedly installed on support;Separator is arranged between supporting member and the 3rd conveying plate, and the roof of separator is provided with along the shifting material inclined-plane sloped downwardly in the direction from back to front, and the front end on this shifting material inclined-plane maintains an equal level with the roof of supporting member;Feeding fore-set and discharging fore-set are fixedly installed on material ejection cylinder piston;The roof of feeding fore-set is provided with along the feeding inclined-plane sloped downwardly in the direction from back to front, and the front end of the 3rd conveying plate is provided with the liftout open-work adaptive with feeding fore-set;Feeding fore-set, under the drive of material ejection cylinder piston, is upward through liftout open-work, a material pipe adjacent with separator in jack-up feeding unit;The roof of supporting member is provided with chute, and discharging fore-set moves up and down along chute under the drive of material ejection cylinder piston;The roof of discharging fore-set is provided with and goes out charge level along what slope downwardly in the direction from back to front, and going out charge level is a flat bevel tilted along direction from back to front;Material ejection cylinder piston stroking upward, drives feeding fore-set upwards jack-up from liftout open-work, and a material adjacent with separator in the 3rd conveying plate is managed upwards jack-up, until the rear end on material inclined-plane is moved higher than separator in the front end on feeding inclined-plane;Material ejection cylinder piston, while driving feeding fore-set upwards jack-up, also synchronizes the chute upwards jack-up driving discharging fore-set along supporting member, and when feeding fore-set is material Guan Dingzhi final position, discharging fore-set ejects the material pipe in supporting member semicircle support slot;Hereafter being fed fore-set top to the material pipe of final position and be rolled in the semicircle support slot of supporting member through the material inclined-plane that moves of separator under gravity, the material Guan Ze that expands ejected from semicircle support slot by discharging fore-set is rolled on feeding plate along direction from back to front through discharging swash plate。

The present invention utilizes the self gravitation of material pipe, automatically rolls feeding and discharging, thus effectively promoting working (machining) efficiency。

Accompanying drawing explanation

Fig. 1 is a kind of structural representation of the present invention;

Fig. 2 is a kind of structural representation of feeding fore-set and discharging fore-set in Lifting Device shown in Fig. 1;

Fig. 3 is a kind of perspective view of the pipe-expanding machine adopting feeding device shown in Fig. 1 to make;

Fig. 4 be pipe-expanding machine shown in Fig. 3 from another angle observe time a kind of perspective view;

Fig. 5 is a kind of perspective view after removing support, discharging mechanism and part flaring mechanism of the pipe-expanding machine shown in Fig. 3;

Fig. 6 be pipe-expanding machine shown in Fig. 5 from another angle observe time a kind of perspective view;

Fig. 7 is the flaring mechanism a kind of perspective view after removing block piece in pipe-expanding machine shown in Fig. 3。

Detailed description of the invention

(embodiment 1)

Fig. 1 and Fig. 2 shows a kind of detailed description of the invention of the present invention, and wherein, Fig. 1 is a kind of structural representation of the present invention;Fig. 2 is a kind of structural representation of feeding fore-set and discharging fore-set in Lifting Device shown in Fig. 1。

The present embodiment is the feeding device for electric power copper pipe flaring machine, sees shown in Fig. 1 to Fig. 2, including support 1, feeding unit 2 and material jacking mechanism 3。

Feeding unit includes first conveying plate the 21, second conveying plate the 22, the 3rd conveying plate 23, front retainer plate 24 and back striker plate 25, the first conveying plate, the second conveying plate, the 3rd conveying plate cross sectional shape be U-shaped;First conveying plate, the second conveying plate, the 3rd conveying plate all have angle with horizontal plane and are obliquely installed, and combine the zigzag forming inclination;Front retainer plate is arranged on the first conveying plate and the front side of the second conveying plate along plumb line, and it is positioned on the 3rd conveying plate, being provided with one between front end and the front retainer plate of the first conveying plate more than the gap of single material pipe as the first feed opening 26, the front end of the second conveying plate then adjacent front retainer plate is arranged;Back striker plate is arranged on the rear side of the first conveying plate, the second conveying plate, the 3rd conveying plate along plumb line, being provided with one between rear end and the back striker plate of the second conveying plate more than the gap of single material pipe as the second feed opening 27, the rear end of the 3rd conveying plate then adjacent backboard is arranged。The advantage of this feeding unit is in that: take under floor measurements less, by the three of stacking conveying plates, can hold and more wait to expand material pipe 100, simultaneously by three conveying plate combinations are formed the zigzag of inclination, and structure the first feed opening cleverly and the second feed opening are set, it is possible to make each material pipe under self gravitation, scroll down through successively, realizing automatization's feeding, its structure comparatively simplifies, less costly。

Material jacking mechanism includes roof and is provided with the supporting member 31 with the semicircle support slot 311 expecting pipe 100 adaptation, arranges material ejection cylinder 32 on the bearer, is fixedly installed on the bearer and the separator 33 adjacent with the 3rd conveying front edge of board, the feeding fore-set 34 for a material pipe adjacent with separator in upwards jack-up the 3rd conveying plate, the discharging fore-set 35 for the material pipe in the semicircle support slot of upwards jack-up supporting member;Supporting member is fixedly installed on support, separator is arranged between supporting member and the 3rd conveying plate, the roof of separator is provided with along the shifting material inclined-plane 331 sloped downwardly in the direction from back to front, and the rear end on this shifting material inclined-plane exceeds the 3rd conveying plate, and the front end on this shifting material inclined-plane maintains an equal level with the roof of supporting member;Feeding fore-set and discharging fore-set are fixedly installed on material ejection cylinder piston 321;The roof of feeding fore-set is along the feeding inclined-plane 341 sloped downwardly in the direction from back to front, and the front end of the 3rd conveying plate is provided with the liftout open-work 231 adaptive with feeding fore-set;The roof of supporting member is provided with chute 312, and discharging fore-set moves up and down along chute under the drive of material ejection cylinder piston;The roof of discharging fore-set is provided with out charge level 351, and this goes out charge level and adopts the flat bevel sloped downwardly in the direction from back to front。

The present embodiment structure comparatively compact and reasonable, it is possible to synchronize to send into and move discharge nozzle, thus promoting working (machining) efficiency。

(application examples)

Fig. 3 to Fig. 7 shows a kind of concrete application mode of the present invention, and wherein, Fig. 3 is a kind of perspective view of the pipe-expanding machine adopting Lifting Device shown in Fig. 1 to make;Fig. 4 be pipe-expanding machine shown in Fig. 3 from another angle observe time a kind of perspective view;Fig. 5 is a kind of perspective view after removing support, discharging mechanism and part flaring mechanism of the pipe-expanding machine shown in Fig. 3;Fig. 6 be pipe-expanding machine shown in Fig. 5 from another angle observe time a kind of perspective view;Fig. 7 is the flaring mechanism a kind of perspective view after removing block piece in pipe-expanding machine shown in Fig. 3。

Should use-case be a kind of electric power copper pipe flaring machine adopting embodiment 1 to make, see shown in Fig. 3 to Fig. 7, including support 1, feeding unit 2, material jacking mechanism 3, binder detent mechanism 4, flaring mechanism 5 and discharging mechanism 6。

Discharging mechanism is positioned at the front side of feeding unit;Feeding unit includes first conveying plate the 21, second conveying plate the 22, the 3rd conveying plate 23, front retainer plate 24 and back striker plate 25, the first conveying plate, the second conveying plate, the 3rd conveying plate cross sectional shape be U-shaped;First conveying plate, the second conveying plate, the 3rd conveying plate all have angle with horizontal plane and are obliquely installed, and combine the zigzag forming inclination;Front retainer plate is arranged on the first conveying plate and the front side of the second conveying plate along plumb line, and it is positioned on the 3rd conveying plate, being provided with one between front end and the front retainer plate of the first conveying plate more than the gap of single material pipe as the first feed opening 26, the front end of the second conveying plate then adjacent front retainer plate is arranged;Back striker plate is arranged on the rear side of the first conveying plate, the second conveying plate, the 3rd conveying plate along plumb line, being provided with one between rear end and the back striker plate of the second conveying plate more than the gap of single material pipe as the second feed opening 27, the rear end of the 3rd conveying plate then adjacent backboard is arranged。The advantage of this feeding unit is in that: take under floor measurements less, by the three of stacking conveying plates, can hold and more wait to expand material pipe 100, simultaneously by three conveying plate combinations are formed the zigzag of inclination, and structure the first feed opening cleverly and the second feed opening are set, it is possible to make each material pipe under self gravitation, scroll down through successively, realizing automatization's feeding, its structure comparatively simplifies, less costly。

Binder detent mechanism includes installing plate 41, binder cylinder 42, pressing plate 43 and two binder guide rods 44;Installing plate is fixedly installed on support, and installing plate is provided with three vertical slide openings 411;The diapire of pressing plate is provided with the semicircle locating slot 431 adaptive with expecting pipe;Binder cylinder is fixedly installed on a mounting board, and the bottom of the bottom of binder cylinder piston and two binder guide rods each one vertical slide opening of traverse is also fixed on the roof of pressing plate;When binder cylinder piston 421 stretches, under the guiding of binder guide rod, band dynamic pressure plate moves up and down;Material jacking mechanism includes roof and is provided with the supporting member 31 of the semicircle support slot 311 adaptive with expecting pipe, arranges material ejection cylinder 32 on the bearer, is fixedly installed on the bearer and the separator 33 adjacent with the 3rd conveying front edge of board, the feeding fore-set 34 for a material pipe adjacent with separator in upwards jack-up the 3rd conveying plate, the discharging fore-set 35 for the material pipe in the semicircle support slot of upwards jack-up supporting member;Supporting member is fixedly installed on support, separator is arranged between supporting member and the 3rd conveying plate, the roof of separator is provided with along the shifting material inclined-plane 331 sloped downwardly in the direction from back to front, and the rear end on this shifting material inclined-plane exceeds the 3rd conveying plate, and the front end on this shifting material inclined-plane maintains an equal level with the roof of supporting member;Feeding fore-set and discharging fore-set are fixedly installed on material ejection cylinder piston 321;The roof of feeding fore-set is along the feeding inclined-plane 341 sloped downwardly in the direction from back to front, and the front end of the 3rd conveying plate is provided with the liftout open-work 231 adaptive with feeding fore-set;The roof of supporting member is provided with chute 312, and discharging fore-set moves up and down along chute under the drive of material ejection cylinder piston;The roof of discharging fore-set is provided with out charge level 351, and this goes out charge level and adopts the flat bevel sloped downwardly in the direction from back to front。

Discharging mechanism includes discharging swash plate 61 and feeding plate 62, and discharging swash plate is along sloping downwardly in the direction from back to front;Feeding plate is along the downward-sloping setting of left and right directions, and the rear end of discharging swash plate is lower than the roof of supporting member, and the front end of discharging swash plate exceeds feeding plate。This discharging mechanism structure comparatively simplifies, and simply adopts two stamping forming sheet materials, can ensure that the automatization of discharging carries out。

Flaring mechanism includes enlarging cylinder 51, enlarging guide rod 52, the enlarging drift 53 being fixedly installed on enlarging cylinder piston 511 and block piece 54, block piece is arranged on the right side of supporting members support groove, enlarging drift is arranged on the left side of supporting member support slot, block piece and enlarging drift and just support slot is arranged。This kind of flaring mechanism comparatively simplifies, and utilizes the impulsive force of cylinder, it is possible to common copper pipe, aluminum pipe, thin-wall stainless steel, iron pipe even plastic tube is carried out quick enlarging process。

The work process of the present embodiment: user is put into wait to expand material pipe 100 in first conveying plate, respectively wait to expand material pipe 100 under self gravitation, be rolled into the front end of the 3rd conveying plate of adjacent separator successively through the first feed opening, the second conveying plate, the second feed opening, the 3rd conveying plate, now this waits that expanding material pipe 100 is positioned at the surface of liftout open-work 231。

Material ejection cylinder piston stroking upward, drives feeding fore-set upwards jack-up from liftout open-work, and a material adjacent with separator in the 3rd conveying plate is managed upwards jack-up, until the rear end on material inclined-plane is moved higher than separator in the front end on feeding inclined-plane;Material ejection cylinder piston, while driving feeding fore-set upwards jack-up, also synchronizes the chute upwards jack-up driving discharging fore-set along supporting member, and when feeding fore-set is material Guan Dingzhi final position, discharging fore-set ejects the material pipe in supporting member semicircle support slot;Hereafter be fed fore-set top to final position material pipe under gravity through separator move material inclined-plane be rolled in the semicircle support slot of supporting member, the material pipe 200 that expands ejected from semicircle support slot by discharging fore-set is then rolled on feeding plate along direction from back to front through discharging swash plate, and skids off discharging mechanism along the setting direction of feeding plate。

When rolling in the support slot of supporting member, new in time expanding material pipe, binder cylinder piston is descending, and band dynamic pressure plate moves down, until crimping is on the bearer, now waits to expand material pipe and is arranged in and is combined, by support slot and locating slot, the vestibule formed。

Enlarging cylinder piston drives enlarging drift in the horizontal direction toward moving right;Enlarging drift be directed at wait expand material pipe wait expand end fast ram, while fast ram enlarging, enlarging punch holder wait expand material pipe other end punching press to block piece, namely treat expansion material pipe position so that enlarging stable operation reliably carries out。

Obviously, the above embodiment of the present invention is only for clearly demonstrating example of the present invention, and is not the restriction to embodiments of the present invention。For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description。Here without also cannot all of embodiment be given exhaustive。And the apparent change that these connotations belonging to the present invention are extended out or variation still fall within protection scope of the present invention。

Claims (1)

1. for an automatic charging device for electric power copper pipe flaring machine, including support, feeding unit and material jacking mechanism;It is characterized in that: feeding unit includes the first conveying plate, the second conveying plate, the 3rd conveying plate, front retainer plate and back striker plate;First conveying plate, the second conveying plate, the 3rd conveying plate cross sectional shape be U-shaped;First conveying plate, the second conveying plate, the 3rd conveying plate all have angle with horizontal plane and are obliquely installed, and combine the zigzag forming inclination;One it is provided with more than the gap of single material pipe as the second feed opening between rear end and the back striker plate of the second conveying plate;Material jacking mechanism includes roof and is provided with the supporting member of the semicircle support slot adaptive with expecting pipe, arranges material ejection cylinder on the bearer, is fixedly installed on the bearer and the separator adjacent with the 3rd conveying front edge of board, the feeding fore-set for a material pipe adjacent with separator in upwards jack-up the 3rd conveying plate, the discharging fore-set for the material pipe in the semicircle support slot of upwards jack-up supporting member;Supporting member is fixedly installed on support;Separator is arranged between supporting member and the 3rd conveying plate, and the roof of separator is provided with along the shifting material inclined-plane sloped downwardly in the direction from back to front, and the front end on this shifting material inclined-plane maintains an equal level with the roof of supporting member;Feeding fore-set and discharging fore-set are fixedly installed on material ejection cylinder piston;The roof of feeding fore-set is provided with along the feeding inclined-plane sloped downwardly in the direction from back to front, and the front end of the 3rd conveying plate is provided with the liftout open-work adaptive with feeding fore-set;Feeding fore-set, under the drive of material ejection cylinder piston, is upward through liftout open-work, a material pipe adjacent with separator in jack-up feeding unit;The roof of supporting member is provided with chute, and discharging fore-set moves up and down along chute under the drive of material ejection cylinder piston;The roof of discharging fore-set is provided with and goes out charge level along what slope downwardly in the direction from back to front, and going out charge level is a flat bevel tilted along direction from back to front;Material ejection cylinder piston stroking upward, drives feeding fore-set upwards jack-up from liftout open-work, and a material adjacent with separator in the 3rd conveying plate is managed upwards jack-up, until the rear end on material inclined-plane is moved higher than separator in the front end on feeding inclined-plane;Material ejection cylinder piston, while driving feeding fore-set upwards jack-up, also synchronizes the chute upwards jack-up driving discharging fore-set along supporting member, and when feeding fore-set is material Guan Dingzhi final position, discharging fore-set ejects the material pipe in supporting member semicircle support slot;Hereafter being fed fore-set top to the material pipe of final position and be rolled in the semicircle support slot of supporting member through the material inclined-plane that moves of separator under gravity, the material Guan Ze that expands ejected from semicircle support slot by discharging fore-set is rolled on feeding plate along direction from back to front through discharging swash plate。
CN201610089158.XA 2014-07-06 2014-07-06 Automatic feeding device used for power copper pipe expanding machine CN105689572A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201610089158.XA CN105689572A (en) 2014-07-06 2014-07-06 Automatic feeding device used for power copper pipe expanding machine
CN201410318688.8A CN104056973B (en) 2014-07-06 2014-07-06 For the feeding device of electric power copper pipe flaring machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610089158.XA CN105689572A (en) 2014-07-06 2014-07-06 Automatic feeding device used for power copper pipe expanding machine

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CN201410318688.8A Division CN104056973B (en) 2014-07-06 2014-07-06 For the feeding device of electric power copper pipe flaring machine

Publications (1)

Publication Number Publication Date
CN105689572A true CN105689572A (en) 2016-06-22

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610089158.XA CN105689572A (en) 2014-07-06 2014-07-06 Automatic feeding device used for power copper pipe expanding machine

Country Status (1)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101695826A (en) * 2009-11-05 2010-04-21 安徽省尚美精密机械科技有限公司 Grinder for charging roller of full-automatic printer
CN102248436A (en) * 2011-06-30 2011-11-23 沈阳机床股份有限公司 Automatic feeding device for machine tool and manufacturing method thereof
CN102513466A (en) * 2011-12-22 2012-06-27 上海夏普电器有限公司 Full-automatic copper tube feeding machine
CN103611831A (en) * 2013-11-29 2014-03-05 来安县新元机电设备设计有限公司 Rapid expanding machine for circular tube end
CN203602011U (en) * 2013-09-30 2014-05-21 张曙波 Stepped type automatic feeding device special for batteries

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101695826A (en) * 2009-11-05 2010-04-21 安徽省尚美精密机械科技有限公司 Grinder for charging roller of full-automatic printer
CN102248436A (en) * 2011-06-30 2011-11-23 沈阳机床股份有限公司 Automatic feeding device for machine tool and manufacturing method thereof
CN102513466A (en) * 2011-12-22 2012-06-27 上海夏普电器有限公司 Full-automatic copper tube feeding machine
CN203602011U (en) * 2013-09-30 2014-05-21 张曙波 Stepped type automatic feeding device special for batteries
CN103611831A (en) * 2013-11-29 2014-03-05 来安县新元机电设备设计有限公司 Rapid expanding machine for circular tube end

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Application publication date: 20160622

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