CN107377644B - Feeding mechanism for automatic cold drawing forming - Google Patents
Feeding mechanism for automatic cold drawing forming Download PDFInfo
- Publication number
- CN107377644B CN107377644B CN201710804695.2A CN201710804695A CN107377644B CN 107377644 B CN107377644 B CN 107377644B CN 201710804695 A CN201710804695 A CN 201710804695A CN 107377644 B CN107377644 B CN 107377644B
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- China
- Prior art keywords
- feeding
- cold drawing
- receiving groove
- piston
- groove plate
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C1/00—Manufacture of metal sheets, metal wire, metal rods, metal tubes by drawing
- B21C1/16—Metal drawing by machines or apparatus in which the drawing action is effected by other means than drums, e.g. by a longitudinally-moved carriage pulling or pushing the work or stock for making metal sheets, bars, or tubes
- B21C1/32—Feeding or discharging the material or mandrels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C1/00—Manufacture of metal sheets, metal wire, metal rods, metal tubes by drawing
- B21C1/16—Metal drawing by machines or apparatus in which the drawing action is effected by other means than drums, e.g. by a longitudinally-moved carriage pulling or pushing the work or stock for making metal sheets, bars, or tubes
- B21C1/22—Metal drawing by machines or apparatus in which the drawing action is effected by other means than drums, e.g. by a longitudinally-moved carriage pulling or pushing the work or stock for making metal sheets, bars, or tubes specially adapted for making tubular articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C1/00—Manufacture of metal sheets, metal wire, metal rods, metal tubes by drawing
- B21C1/16—Metal drawing by machines or apparatus in which the drawing action is effected by other means than drums, e.g. by a longitudinally-moved carriage pulling or pushing the work or stock for making metal sheets, bars, or tubes
- B21C1/34—Guiding or supporting the material or mandrels
Abstract
The invention provides a feeding mechanism for automatic cold drawing forming, which enables an elongated tube to be automatically fed in a cold drawing process, and ensures the production efficiency of cold drawing. The automatic feeding device comprises a material rack, wherein the material rack comprises a material inlet and a material outlet, the upper end face of the material rack is provided with an inclined material channel which is obliquely arranged from the material inlet to the material outlet from top to bottom, the height direction of the inclined material channel enables a single long pipe to pass through once, the end part of the material outlet is provided with a material receiving groove plate, the upper end face of the material receiving groove plate is provided with a plurality of first angled grooves, each first angled groove is used for placing a falling single long pipe, the automatic feeding device further comprises a material distributing fork, the upper end face of the material distributing fork is provided with a plurality of second angled grooves, the initial second angled groove corresponds to a long pipe at the tail end of the material outlet, the lowest part of the second angled groove corresponds to the inner side high part of the first angled groove, the bottom of the material distributing fork is connected with a piston end of a first vertical cylinder, the first vertical cylinder drives the material distributing fork to vertically lift, and the material feeding rack is further arranged at the position of the material outlet.
Description
Technical Field
The invention relates to the technical field of cold drawing equipment, in particular to a feeding mechanism for automatic cold drawing forming.
Background
With the continuous consumption of resources, energy sources and the like, energy conservation and consumption reduction are urgent, various industries pursue product refinement, the requirements on material performance are increased, and the material size and the like tend to be miniaturized.
With the deep development of industry and the large background of material performance and miniaturization, automatic production has become trend, domestic cold drawing industry equipment is behind, and the product of production is also heavy and has deviated from current market demand, and current cold drawing feed mechanism is higher to the size of pipe fitting, straightness accuracy etc. and the product of production is thick and heavy, and some current loading attachment all can not satisfy the requirement of the automatic feeding of slender pipe fitting simultaneously, and the characteristics such as length is longer, easy deformation, flexible have led to the pipe fitting state to be different in addition to slender pipe existence characteristic such as flexible, have certainly increased the automatic feeding degree of slender pipe again, and the automatic feeding at the cold drawing process can not be carried out to the long tube of prior art, need carry out complicated heavy operation and just can feed for production efficiency is low.
Disclosure of Invention
Aiming at the problems, the invention provides a feeding mechanism for automatic cold drawing forming, which enables the slender tube to be automatically fed in a cold drawing process, and ensures the production efficiency of cold drawing.
A feed mechanism for automatic cold drawing shaping, its characterized in that: the automatic feeding device comprises a feeding frame, the feeding frame comprises a feeding port and a discharging port, the upper end surface of the feeding frame is provided with a diagonal material channel which is obliquely arranged from the feeding port to the discharging port from top to bottom, the height direction of the diagonal material channel enables a single long pipe to pass through the diagonal material channel once, the end part of the discharging port is provided with a material receiving groove plate, the upper end surface of the material receiving groove plate is provided with a plurality of first angle forming grooves, each first angle forming groove is used for placing a falling single long pipe, the automatic feeding device further comprises a material distributing fork, the upper end surface of the material distributing fork is provided with a plurality of second angle forming grooves, the lowest part of each second angle forming groove corresponds to one long pipe at the tail end of the discharging port, the lowest part of each second angle forming groove is arranged corresponding to the inner side height position of the first angle forming groove, the bottom of the material distributing fork is connected with a piston end of a first vertical cylinder, the first vertical cylinder drives the material distributing fork to vertically lift, the upper end surface of the feeding frame is also provided with a third angle forming groove, the upper end surface of the feeding frame is provided with a third angle forming groove, the third angle forming groove corresponds to the first vertical cylinder seat, the first vertical roller seat is arranged on the upper end of the first vertical roller seat is provided with a plurality of guide roller seat, the first roller seat is arranged to the first vertical roller seat is correspondingly to the upper end surface of the first roller seat, the first roller seat is arranged on the first vertical roller seat is fixedly arranged, and the roller seat is arranged on the upper end of the first vertical seat is fixedly arranged on the upper roller seat, and the upper seat is provided with a plurality of the roller seat is fixed on the roller seat, and the top seat is arranged on the top frame, the lower part piston rod of the third vertical cylinder is fixedly provided with a clamping device, the clamping device is used for pressing the long pipe positioned in the guide trough, the conveying structure is connected with a conveying motor, and the conveying motor drives the clamping device to drive the long pipe to convey towards the inlet end of the corresponding template of the broaching machine.
It is further characterized by: an upper material blocking device is arranged above the inclined fabric channel, and a space formed by combining the upper material blocking device and the inclined fabric channel ensures that a single long tube passes through the inclined fabric channel once, and ensures that the long tube is discharged from a discharge hole in a stepping way;
a feeding cavity is arranged at a feeding port of the material rack, a vibration mechanism is arranged at the position, close to the inlet of the inclined surface material channel, of the feeding cavity, and the vibration mechanism ensures that the long pipe can enter the inclined surface material channel successively;
the material receiving groove plate is in a structure with a certain width at the center of the material rack, the material receiving groove plate is in a length direction relative to the feeding direction of the long pipe, two ends of the material receiving groove plate in the length direction are vertical end faces, and the vertical end faces of the material receiving groove plate, which are close to the material outlet, are used for blocking the long pipe from falling down;
the two material distributing forks are symmetrically arranged and are arranged on two sides of the material receiving groove plate in the width direction, the distance between the two material distributing forks is smaller than the length of the long pipe, and the two material distributing forks synchronously act;
the feeding frames comprise two symmetrically arranged feeding frames, the two feeding frames are arranged on two sides of the receiving groove plate in the width direction, the distance between the two feeding frames is smaller than the length of the long tube, and the two feeding frames synchronously act;
the two feeding frames do not interfere with the guide roller when moving towards the guide roller, and the material distributing fork and the feeding frames do not interfere when moving;
the conveying structure is specifically provided with a synchronous belt with a certain width and a driving wheel, the driving wheel is externally connected with the conveying motor, and a cylinder seat of a third vertical cylinder is fixedly arranged right above the lower end face of the synchronous belt corresponding to each guide trough;
the conveying structure is specifically a plurality of closed steel wire ropes, the number of which is the same as that of the guide grooves, each steel wire rope is respectively and independently connected with a corresponding driving wheel and a corresponding conveying motor, and a cylinder seat of a third vertical cylinder is fixedly arranged right above each guide groove at the lower end face of each steel wire rope;
a pressing wheel is arranged right above the guide roller closest to the broaching machine, a mounting frame of the pressing wheel is connected with the lower piston end of a fourth vertical cylinder through a vertical spring, and the pressing wheel is matched with the guide roller closest to the broaching machine to press a long pipe;
preferably, the number of the third angular grooves and the number of the guide grooves are the same.
After the structure of the invention is adopted, the long pipe is placed at the feed inlet of the material rack and then flows out of the discharge outlet through the single inclined material channel, in an initial state, the end surface of the material receiving trough plate blocks the discharge outlet, the first vertical cylinder is gradually lifted to enable the material receiving trough plate to lift the material dividing fork, further, the single long pipe sequentially enters the corresponding first angled groove of the material receiving trough plate until the long pipe in the first angled groove reaches the preset number, then the second vertical cylinder acts to enable the material receiving rack to lift the long pipe in the first angled groove away from the first angled groove, so that the long pipe falls into the corresponding third angled groove, then the first horizontal cylinder is driven to enable the material receiving rack to drive the corresponding long pipe to enter the corresponding guide trough, then the second vertical cylinder is lowered to enable the corresponding long pipe to be placed in the corresponding guide trough, the first horizontal cylinder is recovered to drive the material receiving rack to reset, then the third vertical cylinder is lowered to enable the clamping device to clamp the long pipe, the clamping device does not rotate in the cold drawing process, and then the clamping device drives the long pipe to face the corresponding conveying end of the drawing bed to automatically enter the elongated material conveying template, and the elongated material is circulated back to the original point after the clamping device is completed; the automatic feeding device ensures that the slender tube can be automatically fed in the cold drawing process, and ensures the production efficiency of cold drawing.
Drawings
FIG. 1 is a schematic diagram of a front view structure of the present invention;
FIG. 2 is a right side view of the present invention;
the names corresponding to the serial numbers in the figures are as follows:
the material frame 1, a material inlet 2, a material outlet 3, an inclined material channel 4, a long pipe 5, a material receiving groove plate 6, a first angle forming groove 7, a material distributing fork 8, a second angle forming groove 9, a first vertical cylinder 10, a material feeding frame 11, a third angle forming groove 12, a first horizontal cylinder 13, a second vertical cylinder 14, a material guiding roller 15, a material guiding groove 16, a broaching machine 17, a third vertical cylinder 18, a clamping device 19, a conveying motor 20, a template 21, an upper material blocking device 22, a material feeding cavity 23, a vibration mechanism 24, a steel wire rope 25, a driving wheel 26, a pressing wheel 27, a vertical spring 28 and a fourth vertical cylinder 29.
Detailed Description
Feeding mechanism for automatic cold drawing forming, see fig. 1 and 2: the material rack 1 comprises a material rack 1, the material rack 1 comprises a material inlet 2 and a material outlet 3, the upper end surface of the material rack 1 is provided with an inclined material channel 4 which is obliquely arranged from the material inlet 2 to the material outlet 3 from top to bottom, the height direction of the inclined material channel 4 enables a single long tube 5 to pass through once, the end part of the material outlet 3 is provided with a material receiving groove plate 6, the upper end surface of the material receiving groove plate 6 is provided with a plurality of first angled grooves 7, each first angled groove 7 is used for placing a falling single long tube, the material rack further comprises a material distributing fork 8, the upper end surface of the material distributing fork 8 is provided with a plurality of second angled grooves 9, the initial second angled groove 9 corresponds to one long tube 5 at the tail end of the material outlet 3, the lowest part of the second angled groove 9 corresponds to the inner high position of the first angled groove 7, the bottom of the material distributing fork 8 is connected with a piston end of a first vertical cylinder 10, the first vertical cylinder 10 drives the material distributing fork 8 to vertically lift, the position of the discharge hole 3 is also provided with a feeding frame 11, the upper end surface of the feeding frame 11 is provided with a plurality of third angle forming grooves 12, the third angle forming grooves 12 are used for placing a single long pipe which transits from the first angle forming grooves 7 to the corresponding position, the end surface of the feeding frame 11 facing the feed inlet 2 is fixedly provided with a piston end of a first horizontal cylinder 13, a cylinder seat of the first horizontal cylinder 13 is fixedly provided with a piston end of a second vertical cylinder 14, the outer side of a receiving groove plate 6 is provided with a plurality of guide rollers 15, each guide roller 15 is provided with a plurality of guide grooves 16, the rolling direction tail end of each guide roller 15 is provided with a broaching machine 17, a circle of closed conveying structure is arranged right above each guide roller 15, the conveying structure can revolve, the lower end surface of the conveying structure is fixedly provided with a cylinder seat of a third vertical cylinder 18 corresponding to the right above each guide groove 16, the lower piston rod of the third vertical cylinder 18 is fixedly provided with a clamping device 19, the clamping device 19 is used for pressing a long tube positioned in the guide trough 16, the conveying structure is connected with a conveying motor 20, and the conveying motor 20 drives the clamping device 19 to drive the long tube 5 to convey towards the inlet end of the corresponding template 21 of the broaching machine 17.
An upper material blocking device 22 is arranged above the inclined material channel 4, and the space formed by combining the upper material blocking device 22 and the inclined material channel 4 ensures that a single long tube passes through the inclined material channel 4 once, and ensures that the long tube is discharged from a discharge hole in a stepping way;
the feeding port 2 of the material frame 1 is provided with a feeding cavity 23, a vibration mechanism 24 is arranged at the inlet position of the feeding cavity 23, which is close to the inclined surface material channel 4, and the vibration mechanism 24 ensures that the long tube 5 can enter the inclined surface material channel successively;
the material receiving groove plate 6 is in a structure with a certain width at the center of the material rack 1, the feeding direction of the material receiving groove plate 6 relative to the long tube 5 is the length direction, the two ends of the material receiving groove plate 6 in the length direction are vertical end surfaces, and the vertical end surfaces of the material receiving groove plate 6 close to the discharge hole are used for blocking the long tube 5 from falling;
the two material distributing forks 8 are symmetrically arranged, the two material distributing forks 8 are arranged on two sides of the receiving trough plate 6 in the width direction, the distance between the two material distributing forks 8 is smaller than the length of the long pipe, and the two material distributing forks synchronously act;
the feeding frames 11 comprise two symmetrically arranged feeding frames 11, the two feeding frames 11 are arranged on two sides of the receiving trough plate 6 in the width direction, the distance between the two feeding frames 11 is smaller than the length of the long tube 5, and the two feeding frames 11 synchronously act;
the two feeding frames 11 do not interfere with the guide roller 15 when facing the guide roller 15, and the material distributing fork 8 and the feeding frames 11 do not interfere when running;
the conveying structure comprises a synchronous belt with a certain width and a driving wheel, the driving wheel is externally connected with a conveying motor 20, and a cylinder seat of a third vertical cylinder 18 is fixedly arranged right above the lower end surface corresponding to the synchronous belt and corresponding to each guide trough;
the conveying structure is specifically a plurality of closed steel wire ropes 25 with the same number as the guide grooves, each steel wire rope 25 is respectively and independently connected with a corresponding driving wheel 26 and a corresponding conveying motor 20, and a cylinder seat of a third vertical cylinder 18 is fixedly arranged on the lower end surface of each steel wire rope 25 corresponding to the position right above each guide groove 16;
a pressing wheel 27 is arranged right above the guide roller 15 closest to the broaching machine, a mounting frame of the pressing wheel 27 is connected with a lower piston end of a fourth vertical cylinder 29 through a vertical spring 28, and the pressing wheel 27 and the guide roller 15 closest to the broaching machine are matched to complete pressing of the long tube 5;
in a specific embodiment, the number of the third angular grooves 12 and the number of the guide grooves 16 are the same, and the conveying structure is specifically a plurality of closed steel wire ropes 25 with the same number as the guide grooves, each steel wire rope 25 is respectively and independently connected with a corresponding driving wheel 26 and a corresponding conveying motor 20, and a cylinder seat of a third vertical cylinder 18 is fixedly arranged on the lower end face of each steel wire rope 25 corresponding to the position right above each guide groove 16.
After the structure of the invention is adopted, the long tube is placed at the feed inlet of the material rack and then flows out of the discharge outlet through the single inclined material channel, in an initial state, the end face of the material receiving trough plate blocks the discharge outlet, the first vertical cylinder is gradually lifted to enable the distribution fork to lift, further, the single long tube sequentially enters the corresponding first angled groove of the material receiving trough plate until the long tube in the first angled groove reaches the preset number, then the second vertical cylinder acts to enable the material receiving rack to lift the long tube in the first angled groove away from the first angled groove, the long tube falls into the corresponding third angled groove, then the first horizontal cylinder is driven, the material receiving rack drives the corresponding long tube to enter the position right above the corresponding guide trough, then the second vertical cylinder descends, the corresponding long tube is placed in the corresponding guide trough, the first horizontal cylinder is recovered to drive the material receiving rack to reset, then the third vertical cylinder descends, the clamping device clamps the long tube, the clamping device does not rotate in the cold drawing process, the clamping device drives the long tube towards the corresponding conveying end of the drawing bed under the driving motor, and the clamping device automatically returns to the original point after the long tube is driven to the drawing die plate, and the long tube automatically enters the elongated material feeding device.
The foregoing describes the embodiments of the present invention in detail, but the description is only a preferred embodiment of the invention and should not be construed as limiting the scope of the invention. All equivalent changes and modifications made in accordance with the scope of the present invention shall fall within the scope of the present patent.
Claims (8)
1. A feed mechanism for automatic cold drawing shaping, its characterized in that: the automatic feeding device comprises a material frame, wherein the material frame comprises a material inlet and a material outlet, the upper end surface of the material frame is provided with a diagonal material channel which is obliquely arranged from the material inlet to the material outlet from top to bottom, the height direction of the diagonal material channel enables a single long pipe to pass through the diagonal material channel once, the end part of the material outlet is provided with a material receiving groove plate, the upper end surface of the material receiving groove plate is provided with a plurality of first angle forming grooves, each first angle forming groove is used for placing a falling single long pipe, the automatic feeding device further comprises a material distributing fork, the upper end surface of the material distributing fork is provided with a plurality of second angle forming grooves, the initial second angle forming grooves correspond to a long pipe at the tail end of the material outlet, the bottom of the material distributing fork is connected with a piston end of a first vertical cylinder, the first vertical cylinder drives the material distributing fork to vertically lift, the upper end surface of the material outlet is also provided with a material receiving groove plate, the end surface of the material feeding frame facing the material inlet is fixedly provided with a first horizontal piston end, the first horizontal cylinder is fixedly provided with a guide roller, the first horizontal cylinder is fixedly arranged on the end of the piston end of the material receiving groove is fixedly arranged on the cylinder, the piston is fixedly arranged on the cylinder seat, the piston seat is fixedly arranged on the right side of the piston seat is vertically and is fixedly arranged on the piston seat vertically along the piston seat, the piston seat vertically rotates vertically, the piston seat vertically corresponds to the piston seat vertically and is fixedly arranged on the piston seat vertically and is tightly arranged on the piston seat vertically and is vertically and vertically arranged on the piston roller seat, and is vertically and is tightly arranged on the piston seat vertically and tightly pressing roller seat. The conveying motor drives the clamping device to drive the long tube to convey towards the inlet end of the corresponding template of the broaching machine; an upper material blocking device is arranged above the inclined fabric channel; the feeding opening of the material rack is provided with a feeding cavity, and a vibration mechanism is arranged at the position, close to the inlet of the inclined fabric channel, of the feeding cavity.
2. A loading mechanism for automatic cold drawing forming as recited in claim 1, wherein: the material receiving groove plate is particularly a structure with a certain width at the center of the material rack, the material receiving groove plate is in a length direction relative to the feeding direction of the long pipe, two ends of the material receiving groove plate in the length direction are vertical end faces, and the vertical end faces of the material receiving groove plate, which are close to the material outlet, are used for blocking the falling of the long pipe.
3. A loading mechanism for automatic cold drawing forming as recited in claim 1, wherein: the material distributing fork comprises two material distributing forks which are symmetrically arranged, the two material distributing forks are arranged on two sides of the material receiving groove plate in the width direction, the distance between the two material distributing forks is smaller than the length of the long pipe, and the two material distributing forks synchronously act.
4. A loading mechanism for automatic cold drawing forming as recited in claim 3, wherein: the feeding frames comprise two symmetrically arranged feeding frames, the two feeding frames are arranged on two sides of the receiving groove plate in the width direction, the distance between the two feeding frames is smaller than the length of the long tube, and the two feeding frames synchronously act.
5. A loading mechanism for automatic cold drawing forming as recited in claim 4, wherein: the two feeding frames do not interfere with the guide roller when moving towards the guide roller, and the material distributing fork and the feeding frames do not interfere when moving.
6. A loading mechanism for automatic cold drawing forming as recited in claim 1, wherein: the conveying structure is specifically a synchronous belt with a certain width and a driving wheel, the driving wheel is externally connected with the conveying motor, and a cylinder seat of a third vertical cylinder is fixedly arranged right above the lower end face of the synchronous belt corresponding to each guide trough.
7. A loading mechanism for automatic cold drawing forming as recited in claim 6, wherein: the conveying structure is characterized by comprising a plurality of closed steel wire ropes, wherein the number of the closed steel wire ropes is the same as that of the guide grooves, each steel wire rope is respectively and independently connected with a corresponding driving wheel and a corresponding conveying motor, and a cylinder seat of a third vertical cylinder is fixedly arranged right above each guide groove corresponding to the lower end face of each steel wire rope.
8. A loading mechanism for automatic cold drawing forming as recited in claim 1, wherein: and a pressing wheel is arranged right above the guide roller closest to the broaching machine, a mounting frame of the pressing wheel is connected with the lower piston end of a fourth vertical cylinder through a vertical spring, and the pressing wheel is matched with the guide roller closest to the broaching machine to complete the pressing of the long tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710804695.2A CN107377644B (en) | 2017-09-08 | 2017-09-08 | Feeding mechanism for automatic cold drawing forming |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710804695.2A CN107377644B (en) | 2017-09-08 | 2017-09-08 | Feeding mechanism for automatic cold drawing forming |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107377644A CN107377644A (en) | 2017-11-24 |
| CN107377644B true CN107377644B (en) | 2023-08-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710804695.2A Active CN107377644B (en) | 2017-09-08 | 2017-09-08 | Feeding mechanism for automatic cold drawing forming |
Country Status (1)
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| CN (1) | CN107377644B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107913912A (en) * | 2017-12-24 | 2018-04-17 | 祁阳宏泰铝业有限公司 | A kind of core pulling aluminum pipe drawbench |
| CN108673142B (en) * | 2018-05-24 | 2020-11-17 | 江苏卓燃工程咨询有限公司 | Hinge leaf piece automated production processing equipment |
| CN109533931A (en) * | 2018-12-26 | 2019-03-29 | 苏州东米智能设备有限公司 | A kind of tubular object extruding feeding device |
| CN110842745A (en) * | 2019-12-11 | 2020-02-28 | 江苏宏宝工具有限公司 | Automatic polishing device of screwdriver |
| CN112109942B (en) * | 2020-09-29 | 2021-10-26 | 青岛齐林智信自控技术有限公司 | Automatic casing bagging method and equipment |
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| Publication number | Publication date |
|---|---|
| CN107377644A (en) | 2017-11-24 |
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