CN113263099B - Servo die-cut device of two jars - Google Patents
Servo die-cut device of two jars Download PDFInfo
- Publication number
- CN113263099B CN113263099B CN202110712292.1A CN202110712292A CN113263099B CN 113263099 B CN113263099 B CN 113263099B CN 202110712292 A CN202110712292 A CN 202110712292A CN 113263099 B CN113263099 B CN 113263099B
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- workbench
- feeding
- plate
- servo
- support
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
- B21D28/14—Dies
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
- B21D28/20—Applications of drives for reducing noise or wear
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D43/00—Feeding, 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
- B21D43/02—Advancing work in relation to the stroke of the die or tool
- B21D43/04—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work
- B21D43/08—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work by rollers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D43/00—Feeding, 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
- B21D43/20—Storage arrangements; Piling or unpiling
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The invention relates to a double-cylinder servo punching device which comprises a workbench, wherein a top plate is horizontally arranged above the workbench, a lifting plate capable of sliding up and down is arranged between the upper end of the workbench and the top plate, two servo electric cylinders which are vertically arranged are arranged on the upper end of the top plate side by side, output shafts at the lower ends of the two servo electric cylinders are fixed to two sides of the lifting plate, at least three mounting seats are arranged on the front end of the upper part of the workbench side by side, and two guiding assemblies are respectively installed on each of the two mounting seats. According to the invention, the two servo electric cylinders are used for controlling the lifting plate and the die-cutting tool upper die to lift up and down, so that the working movement of the die-cutting tool is realized, and the servo electric cylinders are used for effectively improving the position precision of the die-cutting tool upper die.
Description
Technical Field
The invention relates to the technical field of punching machines, in particular to a double-cylinder servo punching device.
Background
The punching machine used in the current domestic market is generally oil pressure punching, and has high power, large energy consumption, large noise and unstable single punching cylinder when the equipment layout is long; the equipment also has the hidden trouble of oil leakage, and the hydraulic oil is not environment-friendly and pollutes the environment.
The existing punching machine also has the problems of low position precision, poor repeatability, large occupied space and the like.
Disclosure of Invention
The invention aims to solve the technical problem of providing a double-electric-cylinder servo punching device, wherein a lifting plate and an upper die of a punching tool are controlled to lift up and down through two servo electric cylinders, so that the working movement of the punching tool is realized, and the position precision of the upper die of the punching tool is effectively improved by using the servo electric cylinders.
The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a servo die-cut device of two jars, comprises a workbench, workstation top level arranged a roof, gliding lifter plate about installing between this workstation upper end and the roof, roof upper end install two vertical servo electric jar of arranging side by side, the output shaft of two servo electric jar lower extremes is fixed with the both sides of lifter plate, the front end on workstation upper portion arranged side by side and is no less than three mount pad, select two mount pads respectively to install a guide subassembly.
As a supplement to the technical scheme of the invention, a collecting box which slides back and forth is arranged in the lower part of the workbench, and a handle is arranged in the middle of the front end of the collecting box.
As a supplement to the technical scheme of the invention, the upper end of the workbench and the lower end of the lifting plate are respectively provided with a base plate.
As a supplement to the technical scheme of the invention, the upper end of the workbench is provided with four guide rods which are arranged in a rectangular shape, the upper ends of the four guide rods are respectively fixed with the four corners of the top plate, and the lifting plate is sleeved on the four guide rods.
As a supplement to the technical scheme of the invention, the guide assembly comprises two support plates arranged side by side, a plurality of rolling bearings are uniformly arranged between the two support plates, one end of each support plate is provided with a clamping port, the outer side of one end of each support plate close to the clamping port is vertically provided with a limiting column, the upper end of the mounting seat is provided with a cut-out, a clamping shaft butted with the clamping port is transversely arranged in the cut-out, the front ends of the inner walls at the two sides of the cut-out are respectively provided with an inclined groove for inserting the limiting column, and the front end of the mounting seat positioned in front of each inclined groove is respectively provided with an L-shaped limiting frame.
As a supplement to the technical scheme of the invention, a clamping block is rotatably arranged between the other ends of the two support plates, the clamping block is in a right trapezoid block structure, a limiting shaft is arranged between the two support plates and below the clamping block, the limiting shaft is abutted against the surface where the short bottom edge of the right trapezoid is located, and the surface where the long bottom edge of the right trapezoid is located is upward and is obliquely and upwardly arranged from front to back.
As a supplement to the technical scheme of the invention, the right side of the upper end of the workbench is provided with a discharge guide device, the discharge guide device comprises two arc-shaped plates and a plurality of supporting rods, the two arc-shaped plates are fixed by the plurality of supporting rods, and a plurality of guide rollers are uniformly arranged between the upper parts of the two arc-shaped plates along the arc-shaped edge.
As a supplement to the technical scheme of the invention, an L-shaped connecting frame is arranged on the outer side of each arc-shaped plate, two straight through holes are arranged at the end parts of the L-shaped connecting frames side by side, and a fastening piece fixed with the side wall of the workbench is arranged in each straight through hole. The middle part of the L-shaped connecting frame is provided with a reinforcing rib, and the two straight through holes are positioned at two sides of the reinforcing rib.
As a supplement to the technical scheme of the invention, a feeding device is installed on the left side of the upper end of the workbench, the feeding device comprises a feeding box and a feeding support, a channel is transversely arranged in the feeding box, a plurality of lower rollers are arranged in the feeding box below the channel side by side, an upper roller is arranged in the feeding box above the channel, a motor is installed on the outer side of the feeding box, the motor drives one of the lower rollers to rotate, and the feeding support is installed on the outer side of the feeding box below the opening of the channel.
As a supplement to the technical scheme of the invention, the feeding support comprises two side plates arranged side by side, the upper end surfaces of the side plates are arc surfaces, and a plurality of feeding rollers are arranged on the upper part between the two side plates along the arc surfaces.
Has the beneficial effects that: the invention relates to a double-electric-cylinder servo punching device.A punching tool slides on a workbench along two guide assemblies, so that the device is convenient to carry; the punching power adopts a servo electric cylinder, and the punching precision is precisely controlled in a numerical manner; the punching power adopts a servo electric cylinder, and the punching machine is clean, environment-friendly, efficient, low in energy consumption and low in noise; the punching power adopts a double-station servo electric cylinder, so that the punching length in the same meaning is greatly increased; the punching stroke is changed from the traditional proximity switch control into the servo positioning setting; the servo gantry synchronous position compensation is adopted, and double-station servo synchronous driving is realized; in an initial state, the sharp corner part of the fixture block extends out of the support plates, when the punching tool is pushed onto the workbench along the guide assembly from front to back, the fixture block is overturned and retracted into the two support plates, when the punching tool is pushed onto the guide assembly from the workbench, the sharp corner part of the fixture block cannot be overturned and retracted into the two support plates, and the punching tool can be effectively prevented from being excessively pushed out to cause the dropping of the punching tool; whole guide assembly easy dismounting need not be with the help of the instrument, and guide assembly's position can transversely be adjusted to adapt to the die-cut frock of equidimension not.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of a mount and guide assembly according to the present invention;
FIG. 3 is a schematic structural view of a guide assembly according to the present invention;
FIG. 4 is a schematic structural view of the mounting base of the present invention;
FIG. 5 is a schematic view of the guide assembly of the present invention with the support plate removed;
FIG. 6 is a schematic structural view of an outfeed guide of the present invention;
fig. 7 is a schematic structural diagram of a feeding device according to the present invention.
The figure is as follows: 1. the automatic feeding device comprises a workbench, 2, a collecting box, 3, a mounting seat, 4, a guiding assembly, 5, a discharging guiding device, 6, a base plate, 7, a lifting plate, 8, a servo electric cylinder, 9, a top plate, 10, a handle, 11, a feeding device, 12, a guide rod, 13, a support plate, 14, a rolling bearing, 15, a limiting column, 16, a split opening, 17, a clamping shaft, 18, an L-shaped limiting frame, 19, a clamping opening, 20, a chute, 21, a clamping block, 22, a limiting shaft, 23, a rotating shaft, 24, an arc plate, 25, a support rod, 26, a guiding roller, 27, an L-shaped connecting frame, 28, a straight through hole, 29, a reinforcing rib, 30, a feeding box, 31, a lower roller, 32, an upper roller, 33, a channel, 34, a side plate, 35 and a feeding roller.
Detailed Description
The invention will be further illustrated with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and such equivalents may fall within the scope of the present invention as defined in the appended claims.
The embodiment of the invention relates to a double-cylinder servo punching device, which comprises a workbench 1, wherein a top plate 9 is horizontally arranged above the workbench 1, a lifting plate 7 which slides up and down is arranged between the upper end of the workbench 1 and the top plate 9, two servo electric cylinders 8 which are vertically arranged are arranged at the upper end of the top plate 9 side by side, output shafts at the lower ends of the two servo electric cylinders 8 are fixed with two sides of the lifting plate 7, at least three mounting seats 3 are arranged at the front end of the upper part of the workbench 1 side by side, two mounting seats 3 are selected and respectively provided with a guide component 4, a punching tool slides on the workbench 1 along the two guide components 4, the punching tool is convenient to carry, the lower die of the punching tool is arranged on the workbench 1, the upper die of the punching tool is arranged at the lower end of the lifting plate 7, the lifting plate 7 and the upper die of the punching tool are controlled to lift up and down through the two servo electric cylinders 8, the punching tool is capable of realizing the punching work motion, and the position accuracy of the punching tool is effectively improved by using the servo electric cylinders 8.
The punching power adopts a servo electric cylinder 8, and the punching precision is precisely controlled in a numerical manner; the servo electric cylinder 8 is adopted as punching power, so that the punching machine is clean, environment-friendly, efficient, low in energy consumption and low in noise; the punching power adopts a double-station servo electric cylinder 8, so that the punching length in the same meaning is greatly increased; the punching stroke is changed from the traditional approach switch control into servo positioning setting; and the servo gantry is adopted for simultaneous position compensation, so that double-station servo synchronous driving is realized.
A collecting box 2 which slides back and forth is arranged in the lower part of the workbench 1, and a handle 10 is arranged in the middle of the front end of the collecting box 2.
The upper end of the workbench 1 and the lower end of the lifting plate 7 are respectively provided with a base plate 6.
Four guide rods 12 which are arranged in a rectangular shape are installed at the upper end of the workbench 1, the upper ends of the four guide rods 12 are respectively fixed with four corners of the top plate 9, and the lifting plate 7 is sleeved on the four guide rods 12.
The guide assembly 4 include two extension boards 13 of arranging side by side, evenly arranged a plurality of antifriction bearing 14 between two extension boards 13, the one end of every extension board 13 all is equipped with joint mouth 19, this extension board 13 is provided with a spacing post 15 near the outside of joint mouth 19 one end perpendicularly, mount pad 3 upper end seted up one cut open 16, transversely arranged has the card axle 17 with joint mouth 19 butt joint in this cut open 16, the front end of the inner wall in cut open 16 both sides all be provided with and supply spacing post 15 male chute 20, the place ahead that the mount pad 3 front end lies in every chute 20 all install a L shape spacing 18. 4 dismouting of guide subassembly is comparatively convenient, during the equipment, extension board 13 is the slope and arranges, spacing post 15 on the extension board 13 inserts along chute 20, after inserting completely, put extension board 13 upright, realize the support of a position of extension board 13 through spacing post 15 and chute 20 cooperation, the joint mouth 19 of extension board 13 tip is detained at card axle 17 lower extreme, realize the support of another position of extension board 13 through joint mouth 19 and the cooperation of card axle 17, two position support realize whole guide subassembly 4's location support, during the dismouting, the operation with the equipment is reverse can. Whole 4 easy dismounting of guide assembly need not be with the help of the instrument, and guide assembly 4's position can transversely be adjusted to the die-cut frock of adaptation equidimension not.
A fixture block 21 is rotatably mounted between the other ends of the two support plates 13, the fixture block 21 is in a right trapezoid block structure, a limiting shaft 22 is arranged below the fixture block 21 between the two support plates 13, the limiting shaft 22 abuts against the surface where the short bottom edge of the right trapezoid is located, and the surface where the long bottom edge of the right trapezoid is located faces upward and is obliquely arranged from front to back. And two rotating shafts 23 are arranged on two sides of the middle part of the fixture block 21, and are rotatably connected with the support plate 13 through the rotating shafts 23. In an initial state, the position of the fixture block 21 is as shown in fig. 2, fig. 3 and fig. 5, the sharp corner of the fixture block 21 extends out of the support plates 13, when the punching tool is pushed onto the workbench 1 along the guide assembly 4 from front to back, the fixture block 21 is turned over and retracted into the two support plates 13, and when the punching tool is pushed onto the guide assembly 4 from the workbench 1, the sharp corner of the fixture block 21 cannot be turned over and retracted into the two support plates 13, so that the punching tool can be effectively prevented from being excessively pushed out to cause the dropping of the punching tool.
The right side of workstation 1 upper end install ejection of compact guiding device 5, ejection of compact guiding device 5 include two arcs 24 and a plurality of branch 25, it is fixed through a plurality of branches 25 between two arcs 24, evenly arranged a plurality of guide cylinders 26 along the arc edge between two arcs 24 upper portions.
An L-shaped connecting frame 27 is arranged on the outer side of each arc-shaped plate 24, two straight through holes 28 are arranged at the end parts of the L-shaped connecting frames 27 side by side, and fasteners fixed with the side wall of the workbench 1 are arranged in the straight through holes 28. The middle part of the L-shaped connecting frame 27 is provided with a reinforcing rib 29, and two straight through holes 28 are positioned at two sides of the reinforcing rib 29.
The left side of workstation 1 upper end install feed arrangement 11, feed arrangement 11 include feeding case 30 and feeding support, feeding case 30 inside transverse arrangement have a passageway 33, lie in the passageway 33 below in this feeding case 30 and arranged a plurality of lower drums 31 side by side, feeding case 30 in lie in the top of passageway 33 and be provided with cylinder 32, feeding case 30 outside install the motor, one of them lower drum 31 of this motor drive rotates, feeding case 30 outside lie in the below of passageway 33 opening and install feeding support. One of the lower rollers 31 is driven to rotate by a motor, so that the punched strip material is continuously sent to the punching tool.
The feeding support comprises two side plates 34 which are arranged side by side, the upper end surfaces of the side plates 34 are arc surfaces, and a plurality of feeding rollers 35 are arranged on the upper portion between the two side plates 34 along the arc surfaces.
The punched strip enters from the feeding device 11, passes through the punching tool and finally goes out from the discharging guide device 5.
According to the invention, the two servo electric cylinders 8 are used for controlling the lifting plate 7 to lift up and down, so that the position precision is greatly improved, the cost and labor are greatly saved, and the efficiency is improved.
Claims (8)
1. The utility model provides a two servo die-cut devices of electric cylinder, includes workstation (1), its characterized in that: a top plate (9) is horizontally arranged above the workbench (1), a lifting plate (7) which slides up and down is arranged between the upper end of the workbench (1) and the top plate (9), two vertically arranged servo electric cylinders (8) are arranged at the upper end of the top plate (9) side by side, output shafts at the lower ends of the two servo electric cylinders (8) are fixed with two sides of the lifting plate (7), at least three mounting seats (3) are arranged at the front end of the upper part of the workbench (1) side by side, and two mounting seats (3) are selected to be respectively provided with a guide assembly (4); the guide assembly (4) comprises two support plates (13) which are arranged side by side, a plurality of rolling bearings (14) are uniformly arranged between the two support plates (13), a clamping port (19) is formed in one end of each support plate (13), a limiting column (15) is vertically arranged on the outer side of one end, close to the clamping port (19), of each support plate (13), a cut-out (16) is formed in the upper end of the mounting seat (3), a clamping shaft (17) in butt joint with the clamping port (19) is transversely arranged in the cut-out (16), inclined grooves (20) for inserting the limiting columns (15) are formed in the front ends of the inner walls on the two sides of the cut-out (16), and an L-shaped limiting frame (18) is arranged in front of each inclined groove (20) at the front end of the mounting seat (3); a clamping block (21) is rotatably installed between the other ends of the two support plates (13), the clamping block (21) is of a right trapezoid block structure, a limiting shaft (22) is arranged between the two support plates (13) and below the clamping block (21), the limiting shaft (22) abuts against the surface where the short bottom side of the right trapezoid is located, and the surface where the long bottom side of the right trapezoid is located faces upwards and is obliquely and upwards arranged from the front to the back.
2. A dual cylinder servo blanking unit as set forth in claim 1 wherein: a collecting box (2) which slides back and forth is arranged in the lower part of the workbench (1), and a handle (10) is arranged in the middle of the front end of the collecting box (2).
3. A dual cylinder servo blanking unit as set forth in claim 1 wherein: the upper end of the workbench (1) and the lower end of the lifting plate (7) are respectively provided with a base plate (6).
4. A dual cylinder servo blanking unit as set forth in claim 1 wherein: the upper end of the workbench (1) is provided with four guide rods (12) which are arranged in a rectangular shape, the upper ends of the four guide rods (12) are fixed with four corners of the top plate (9) respectively, and the lifting plate (7) is sleeved on the four guide rods (12).
5. A dual cylinder servo blanking unit as set forth in claim 1 wherein: workstation (1) upper end right side install ejection of compact guiding device (5), ejection of compact guiding device (5) include two arcs (24) and a plurality of branch (25), it is fixed through a plurality of branch (25) between two arcs (24), evenly arranged a plurality of guide cylinders (26) along the arc edge between two arcs (24) upper portions.
6. A dual cylinder servo blanking unit as set forth in claim 1 wherein: an L-shaped connecting frame (27) is installed on the outer side of each arc-shaped plate (24), two straight through holes (28) are arranged at the end portions of the L-shaped connecting frames (27) side by side, and fasteners fixed with the side wall of the workbench (1) are installed in the straight through holes (28).
7. A dual cylinder servo blanking unit as set forth in claim 1 wherein: workstation (1) upper end left side install feed arrangement (11), feed arrangement (11) including feeding case (30) and feeding support, feeding case (30) inside transverse arrangement have passageway (33), be located passageway (33) below in this feeding case (30) and arranged a plurality of lower drums (31) side by side, feeding case (30) in be located the top of passageway (33) and be provided with cylinder (32), feeding case (30) outside install the motor, one of them lower drum (31) of this motor drive rotate, feeding case (30) outside be located passageway (33) open-ended below and install the feeding support.
8. A dual cylinder servo blanking unit as set forth in claim 7 wherein: the feeding support comprises two side plates (34) which are arranged side by side, the upper end surfaces of the side plates (34) are arc surfaces, and a plurality of feeding rollers (35) are arranged on the upper portion between the two side plates (34) along the arc surfaces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110712292.1A CN113263099B (en) | 2021-06-25 | 2021-06-25 | Servo die-cut device of two jars |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110712292.1A CN113263099B (en) | 2021-06-25 | 2021-06-25 | Servo die-cut device of two jars |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113263099A CN113263099A (en) | 2021-08-17 |
| CN113263099B true CN113263099B (en) | 2023-03-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110712292.1A Active CN113263099B (en) | 2021-06-25 | 2021-06-25 | Servo die-cut device of two jars |
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Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4022592B2 (en) * | 2003-04-22 | 2007-12-19 | 株式会社Ｔｄｍ | Conveying rod mounting structure on amusement machine island |
| CN202172139U (en) * | 2011-07-27 | 2012-03-21 | 纳佳力有限公司 | Improved structure for card-edge connector |
| CN104271340A (en) * | 2012-05-03 | 2015-01-07 | 鲍勃斯脱梅克斯股份有限公司 | Machine for processing elements in sheet form, including a feed board fitted with conveying means |
| CN104552069B (en) * | 2014-12-30 | 2016-11-30 | 昆山若宇检具工业有限公司 | Lever buckle locking mechanism |
| CN105819157A (en) * | 2016-05-30 | 2016-08-03 | 黄石市华天自动化设备有限公司 | One-direction blocking mechanism of roller bed conveyor |
| CN207735656U (en) * | 2017-12-20 | 2018-08-17 | 常州维克低温设备有限公司 | A kind of plate shearing machine |
| CN108747111B (en) * | 2018-06-15 | 2023-10-20 | 宁波市创捷自动化有限公司 | Automatic welding device for coil stock butt joint |
| CN110550380B (en) * | 2019-10-11 | 2024-03-08 | 无锡大东机械制造有限公司 | Roller conveyor device based on tray anti-reversing |
| CN112387846A (en) * | 2020-10-23 | 2021-02-23 | 天津贝林思模具有限公司 | Firm convenient die-cut frock is used in mould processing |
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