CN110102818B - Automatic feeding and discharging system of plate shearing machine for car handrail production - Google Patents
Automatic feeding and discharging system of plate shearing machine for car handrail production Download PDFInfo
- Publication number
- CN110102818B CN110102818B CN201910508028.9A CN201910508028A CN110102818B CN 110102818 B CN110102818 B CN 110102818B CN 201910508028 A CN201910508028 A CN 201910508028A CN 110102818 B CN110102818 B CN 110102818B
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- Prior art keywords
- plate
- regulation
- shearing machine
- control board
- control device
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- 238000010008 shearing Methods 0.000 title claims abstract description 33
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 15
- 238000007599 discharging Methods 0.000 title abstract description 9
- 238000005520 cutting process Methods 0.000 claims abstract description 46
- 230000001276 controlling effect Effects 0.000 claims abstract description 17
- 230000001105 regulatory effect Effects 0.000 claims abstract description 12
- 239000000463 material Substances 0.000 claims description 20
- 230000000694 effects Effects 0.000 claims description 10
- 230000007246 mechanism Effects 0.000 claims description 8
- 238000000034 method Methods 0.000 description 6
- 239000002184 metal Substances 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D33/00—Accessories for shearing machines or shearing devices
- B23D33/02—Arrangements for holding, guiding, and/or feeding work during the operation
Abstract
The invention relates to the technical field of plate processing equipment, and discloses an automatic feeding and discharging system of a plate shearing machine for car handrail production, which comprises a fixed plate, wherein the back surface of the fixed plate is connected with a cutting control device, the left side of the upper surface of the fixed plate is movably clamped with a feeding device, the left side of the cutting control device is fixedly connected with a conveying table, the left side of the fixed plate is fixedly provided with a regulating and controlling box, the conveying table is positioned below the feeding device, and the right side of the cutting control device is provided with a receiving table. This a blanking system in plate shearing machine for car handrail production is automatic, through placing the sliding connection between regulation and control board and the regulation and control board, the plate shearing machine of being convenient for controls the position of tailorring the board, through stop gear, forward spiral shell, reverse spiral shell and promote the cooperation between the piece, convenient to use person adjusts the location space of tailorring the board and fixes its position, and convenient to use person tailors the board through the accurate transportation of plate shearing machine, has improved the accuracy that the plate shearing machine tailor the board size.
Description
Technical Field
The invention relates to the technical field of plate processing equipment, in particular to an automatic feeding and discharging system of a plate shearing machine for car handrail production.
Background
The car handrail of the elevator is processed by adopting a metal plate, and the metal plate is cut by a plate shearing machine due to the large size of the plate purchased in the market.
The plate shearing machine is a machine for shearing plates by using one blade to do reciprocating linear motion relative to the other blade, and is generally applied to the metal processing industry. The plate shearing machine belongs to one of forging and pressing machines, and has the main function of metal processing industry. The product is widely applicable to aviation, light industry, metallurgy, chemical industry, construction, ships, automobiles, electric power, electric appliances, decoration and other industries to provide needed special machinery and complete equipment.
The current plate shearing machine does not install good spacing regulation and control device of tailorring, inconvenient user carries out the size adjustment according to the size of required cutting board, simultaneously at the in-process of cutting, it is inconvenient to fix the position of cutting board, cause cutting board to take place the skew at the process of cutting easily, influence the accuracy of cutting of plate shearing machine then, and the unloader of current plate shearing machine does not install good buffering and place the board, when cutting board and the instantaneous impact force of placing the board contact, make cutting board receive the damage easily, for this we propose a plate shearing machine automatic feeding and discharging system for car handrail production.
Disclosure of Invention
The invention provides an automatic feeding and discharging system of a plate shearing machine for car handrail production, which has the advantages of improving the accuracy of the size of a shearing plate of the plate shearing machine and guaranteeing the nondestructive property of the shearing plate after the shearing, and solves the problems in the background art.
In order to achieve the above object, the present invention provides the following technical solutions: the utility model provides a trigger automatic feeding and discharging system for car handrail production, includes the fixed plate, the back fixedly connected with of fixed plate cuts out controlling means, the positive middle part movable joint of cutting out controlling means has material feeding unit, the left side fixedly connected with of controlling means carries the platform, the left side fixedly mounted of fixed plate has the regulation and control case, carry the below that the platform is located material feeding unit, the right side of cutting out controlling means is provided with the material receiving platform, the right side movable sleeve of fixed plate upper surface has connect material receiving unit, material receiving unit's bottom fixed mounting has sucking disc device, the positive middle part movable joint of cutting out controlling means has stop gear, the positive middle part fixed mounting of cutting out controlling means has the limiting plate, the limiting plate is located stop gear's below, the positive bottom fixedly connected with conveying assembly of cutting out controlling means, conveying assembly is connected with the limiting plate transmission.
Optionally, the top of placing the regulation and control board is equipped with the regulation and control board, the spacing groove has been seted up to the inside of placing the regulation and control board, the inside activity in spacing groove has cup jointed the limiting plate.
Optionally, the top of limiting plate runs through and places the regulation and control board and extend to the top of limiting plate, the top of limiting plate and the bottom fixed connection of regulation and control board, place the top of regulation and control board and the bottom sliding connection of regulation and control board.
Optionally, connect the material platform by last U shaped plate and lower U shaped plate two parts constitution, the inside that connects the material platform is equipped with buffer, goes up U shaped plate and lower U shaped plate and passes through buffer fixed connection.
Optionally, buffer is including spacing joint post, spacing joint cover and elastic expansion part, the top of spacing joint post and the bottom fixed connection of last U-shaped board, the bottom of spacing joint cover and the top fixed connection of lower U-shaped board, spacing joint cover passes through elastic expansion part fixed connection with spacing joint post.
Optionally, stop gear is including T shape locating lever, T shape locating lever's surface and the inside activity that tailors controlling means cup joint, T shape locating lever is located the inside surface of tailorring controlling means and is fixed mounting respectively has forward thread loop bar and reverse thread loop bar, forward thread loop bar and reverse thread loop bar size are the same, and the screw thread is opposite.
Optionally, the surface screw thread of forward screw thread loop bar has cup jointed reverse screw sleeve, the surface screw thread of reverse screw thread loop bar has cup jointed forward screw sleeve, reverse screw sleeve and forward screw sleeve's bottom all pass through the movable joint of impeller block and regulation and control board, the left side fixedly connected with elasticity reference column of tailorring controlling means, the left end of elasticity reference column and the right side looks joint of T shape reference bar.
The invention provides an automatic feeding and discharging system of a plate shearing machine for car handrail production, which has the following beneficial effects:
1. this a blanking system in plate shearing machine for car handrail production is automatic, through placing the sliding connection between regulation and control board and the regulation and control board, the plate shearing machine of being convenient for controls the position of tailorring the board, through stop gear, forward spiral shell, reverse spiral shell and promote the cooperation between the piece, convenient to use person adjusts the location space of tailorring the board and fixes its position, and convenient to use person tailors the board through the accurate transportation of plate shearing machine, has improved the accuracy that the plate shearing machine tailor the board size.
2. This a blanking system in plate shearing machine for car handrail production, through the cushioning effect between spacing joint post, spacing joint cover and the elastic expansion part in receiving material platform and the buffer, when sucking disc device release tailors the board, reduce and cut out the board and connect the impact effect that the material platform contacted and caused in the twinkling of an eye, reduce and connect the corner that material platform contacted and cut out the board and cause in the twinkling of an eye and collide with the damage, ensured the integrality of cutting out the board after cutting out.
Drawings
FIG. 1 is a schematic front view of the structure of the present invention;
FIG. 2 is a schematic top view of the structure of the present invention;
FIG. 3 is an enlarged schematic view of the spacing mechanism of FIG. 2;
FIG. 4 is an enlarged schematic view of the limiting structure in FIG. 1;
fig. 5 is a schematic side view of the regulation plate of fig. 2.
In the figure: 1. a fixing plate; 2. a cutting control device; 3. a limit groove; 4. a limiting plate; 5. a feeding device; 6. a conveying table; 7. a control box; 8. a receiving device; 9. a receiving table; 10. a suction cup device; 11. a buffer device; 111. a limit clamping column; 112. a limit clamping sleeve; 113. an elastic expansion member; 12. a limiting mechanism; 121. a T-shaped positioning rod; 122. a forward threaded shank; 123. a reverse threaded sleeve rod; 13. a transfer assembly; 14. placing a regulating plate; 15. a regulation plate; 16. an elastic positioning column; 17. a pushing block; 18. a forward spiral sleeve; 19. reverse spiral sleeve.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-5, an automatic feeding and discharging system of a plate shearing machine for car handrail production comprises a fixed plate 1, a cutting control device 2 is fixedly connected to the back of the fixed plate 1, a feeding device 5 is movably clamped to the left side of the upper surface of the fixed plate 1, a conveying table 6 is fixedly connected to the left side of the cutting control device 2, a regulating and controlling box 7 is fixedly installed on the left side of the fixed plate 1, the conveying table 6 is located below the feeding device 5, a material receiving table 9 is arranged on the right side of the cutting control device 2, a material receiving device 8 is movably sleeved on the right side of the upper surface of the fixed plate 1, a sucker device 10 is fixedly installed at the bottom of the material receiving device 8, a limiting mechanism 12 is movably clamped to the middle of the front of the cutting control device 2, when the sucker device 10 releases the cutting plate, a buffer effect on the cutting plate is reduced by a limiting clamping column 111, a limiting clamping sleeve 112 and an elastic telescopic part 113 between the cutting plate, a corner bump effect caused by contact of the cutting plate 9 and the cutting plate is eliminated, a corner bump motor caused by the cutting plate 9 and the cutting plate is eliminated, a motor is guaranteed to be in contact with the cutting plate, a power transmission assembly 13 is provided by a speed reducing motor, the front of the cutting assembly 4 is connected to the front of the speed reducing assembly 4, a power transmission assembly is provided by the front of the speed reducing assembly 4, the speed reducing assembly is connected to the speed reducing assembly 4, the front of the speed reducing assembly is provided with the speed reducing assembly 4, the speed reducing assembly is provided with a power assembly 13, and the speed reducing assembly is connected to the speed reducing assembly 4, and is provided with a power assembly 13, and is connected to a power assembly, and is mounted by a speed reducer assembly, and has a speed reducer assembly is mounted.
Wherein, the top of placing regulation and control board 14 is equipped with regulation and control board 15, and the inside of placing regulation and control board 14 has seted up spacing groove 3, and spacing groove 3's inside activity has cup jointed limiting plate 4, and the right side of placing regulation and control board 14 is equipped with the last blade of motion and fixed lower blade, and the last blade passes through the motor and provides power, and the lower blade is fixed on placing regulation and control board 14, and the last blade is fixed on the knife rest of tailorring controlling means 2 bottom.
Wherein, the top of limiting plate 4 runs through and places regulation and control board 14 and extends to the top of limiting plate 4, and the top of limiting plate 4 and the bottom fixed connection of regulation and control board 15 place the top of regulation and control board 14 and the bottom sliding connection of regulation and control board 15.
Wherein, connect material platform 9 by last U-shaped board and lower U-shaped board two parts to constitute, the internal surface on last U-shaped board bottom contacts with the internal surface on lower U-shaped top, and the inside of board material platform 9 is equipped with buffer 11, goes up U-shaped board and lower U-shaped board and passes through buffer 11 fixed connection.
The buffer device 11 comprises a limit clamping column 111, a limit clamping sleeve 112 and an elastic telescopic component 113, wherein the top of the limit clamping column 111 is fixedly connected with the bottom of the upper U-shaped plate, the bottom of the limit clamping sleeve 112 is fixedly connected with the top of the lower U-shaped plate, and the limit clamping sleeve 112 is fixedly connected with the limit clamping column 111 through the elastic telescopic component 113.
Wherein, stop gear 12 is including T shape locating lever 121, transverse slot has been seted up on T shape locating lever 121's right side, after the user rotated T shape locating lever 121 to certain angle, through not hard up elastic locating post 16, make its left end joint in corresponding transverse slot, then restrict the position of regulation and control board 15, T shape locating lever 121's surface cup joints with the inside activity of tailorring controlling means 2, T shape locating lever 121 is located tailorring controlling means 2 inside surface fixed mounting respectively has forward thread loop bar 122 and reverse thread loop bar 123, forward thread loop bar 122 and reverse thread loop bar 123 size are the same, the screw thread is opposite.
Wherein, the outer surface of the forward thread sleeve rod 122 is in threaded connection with the reverse spiral sleeve 19, the outer surface of the reverse thread sleeve rod 123 is in threaded connection with the forward thread sleeve 18, the bottom ends of the reverse spiral sleeve 19 and the forward thread sleeve 18 are movably clamped with the regulating plate 15 through the pushing blocks 17, the number of the pushing blocks 17 is two, the two pushing blocks 17 are symmetrical with each other by taking the vertical central line of the regulating plate 15 as a symmetrical axis, the left and right sides of the top of each pushing block 17 are respectively and symmetrically and movably connected with an inclined rod, the two inclined rods positioned on the same pushing block 17 are in an inverted splayed shape, the two corresponding inclined rods are respectively and movably connected with the corresponding forward thread sleeve rod 122 and the reverse thread sleeve rod 123, when the user twists the T-shaped positioning rod 121, the user uniformly drives the forward spiral sleeve 18 and the reverse spiral sleeve 19 which are positioned on the same pushing block 17 to symmetrically and oppositely move or reversely move, and then drives the regulating plate 15 to downwards move or upwards move, correspondingly, the user can conveniently adjust the positioning space of the cutting plate and fix the position of the cutting plate through the cooperation among the limiting mechanism 12, the forward spiral sleeve 18, the reverse spiral sleeve 19 and the pushing block 17, the user can conveniently and accurately convey the cutting plate through the plate shearing machine, the left side of the cutting control device 2 is fixedly connected with the elastic positioning column 16, and the left end of the elastic positioning column 16 is clamped with the right side of the T-shaped positioning rod 121.
The operation steps are that firstly, a plate to be sheared placed on a conveying table 6 is adsorbed and lifted to a proper height through a lifting device in a feeding device 5, then the plate is moved to the upper side of a regulating plate 14 along a fixed plate 1 through the feeding device 5, a user rotates a limiting mechanism 12 in advance, the position of the regulating plate 15 and the position of the regulating plate 14 are fixed, then the plate is sheared through a limiting plate 4 on the regulating plate 14, specifically, shearing is applied to metal plates with various thicknesses through reasonable blade gaps by means of an upper blade and a fixed lower blade which move on the right side of the regulating plate 14, the plates are broken and separated according to the required size, and then the cutting plate is driven to rotate ninety degrees through a sucker device 10 on a receiving device 8 and correspondingly placed on a receiving table 9.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. A automatic blanking system that goes up of plate shearing machine for car handrail production, includes fixed plate (1), its characterized in that: the automatic cutting device is characterized in that a cutting control device (2) is fixedly connected to the back of the fixing plate (1), a feeding device (5) is movably clamped to the left side of the upper surface of the fixing plate (1), a conveying table (6) is fixedly connected to the left side of the cutting control device (2), a regulating and controlling box (7) is fixedly installed on the left side of the fixing plate (1), the conveying table (6) is located below the feeding device (5), a material receiving table (9) is arranged on the right side of the cutting control device (2), a material receiving device (8) is movably sleeved on the right side of the upper surface of the fixing plate (1), a sucking disc device (10) is fixedly installed at the bottom of the material receiving device (8), a limiting mechanism (12) is movably clamped to the middle of the front side of the cutting control device (2), a limiting plate (4) is fixedly installed at the middle of the front side of the cutting control device (2), a conveying assembly (13) is fixedly connected to the bottom of the cutting control device (2), and the conveying assembly (13) is connected with the limiting mechanism (12).
The material receiving table (9) consists of an upper U-shaped plate and a lower U-shaped plate, a buffer device (11) is arranged in the material receiving table (9), and the upper U-shaped plate and the lower U-shaped plate are fixedly connected through the buffer device (11);
the buffer device (11) comprises a limit clamping column (111), a limit clamping sleeve (112) and an elastic telescopic component (113), wherein the top of the limit clamping column (111) is fixedly connected with the bottom of the upper U-shaped plate, the bottom of the limit clamping sleeve (112) is fixedly connected with the top of the lower U-shaped plate, and the limit clamping sleeve (112) is fixedly connected with the limit clamping column (111) through the elastic telescopic component (113);
the limiting mechanism (12) comprises a T-shaped positioning rod (121), the outer surface of the T-shaped positioning rod (121) is movably sleeved with the interior of the cutting control device (2), the outer surface of the T-shaped positioning rod (121) positioned in the cutting control device (2) is fixedly provided with a forward threaded sleeve rod (122) and a reverse threaded sleeve rod (123) respectively, and the forward threaded sleeve rod (122) and the reverse threaded sleeve rod (123) are identical in size and opposite in threads;
the external surface screw thread of forward screw thread loop bar (122) has cup jointed reverse screw sleeve (19), the external surface screw thread of reverse screw thread loop bar (123) has cup jointed forward screw sleeve (18), reverse screw sleeve (19) all pass through pushing block (17) with the bottom of forward screw sleeve (18) and regulation and control board (15) activity joint, the left side fixedly connected with elasticity reference column (16) of tailorring controlling means (2), the right side looks joint of elasticity reference column (16) and T shape locating lever (121).
2. The automatic loading and unloading system of a plate shearing machine for car handrail production of claim 1, wherein: the top of placing regulation and control board (14) is equipped with regulation and control board (15), limiting groove (3) have been seted up to the inside of placing regulation and control board (14), limiting plate (4) have been cup jointed in the inside activity of limiting groove (3).
3. The automatic loading and unloading system of a plate shearing machine for car handrail production of claim 2, wherein: the top of limiting plate (4) runs through and places regulation and control board (14) and extend to the top of limiting plate (4), the top of limiting plate (4) and the bottom fixed connection of regulation and control board (15), the top of placing regulation and control board (14) and the bottom sliding connection of regulation and control board (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910508028.9A CN110102818B (en) | 2019-06-12 | 2019-06-12 | Automatic feeding and discharging system of plate shearing machine for car handrail production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910508028.9A CN110102818B (en) | 2019-06-12 | 2019-06-12 | Automatic feeding and discharging system of plate shearing machine for car handrail production |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110102818A CN110102818A (en) | 2019-08-09 |
| CN110102818B true CN110102818B (en) | 2024-03-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910508028.9A Active CN110102818B (en) | 2019-06-12 | 2019-06-12 | Automatic feeding and discharging system of plate shearing machine for car handrail production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110102818B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3040446A1 (en) * | 1980-10-27 | 1982-05-19 | Reinhardt Maschinenbau Gmbh, 7032 Sindelfingen | Sheet metal working machine feed mechanism - has detent retractable towards starting position below support plane for receipt of new sheet |
| CN106891056A (en) * | 2017-04-27 | 2017-06-27 | 南通东海机床制造集团有限公司 | A kind of hydraulic plate shears of epipodium guaranteed cost |
| CN206997882U (en) * | 2017-06-23 | 2018-02-13 | 苏州舜治自动化机械设备有限公司 | Plate shearing machine automatic loading and unloading device and integrated plate shearing machine |
| CN107876863A (en) * | 2017-11-14 | 2018-04-06 | 南昌宝江钢材加工配送有限公司 | A kind of sheet material subpackage and bag fine pruning automatic loading and unloading device |
| CN207668588U (en) * | 2017-11-17 | 2018-07-31 | 浙江卓立金属制品有限公司 | A kind of new steel plate plate shearing machine |
| CN208663906U (en) * | 2018-09-27 | 2019-03-29 | 广西理工职业技术学院 | A kind of accurate paper cutting apparatus for cutting paper |
| CN210059972U (en) * | 2019-06-12 | 2020-02-14 | 上海华美电梯装饰有限公司 | Automatic feeding and discharging system of plate shearing machine for production of lift car handrails |
-
2019
- 2019-06-12 CN CN201910508028.9A patent/CN110102818B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3040446A1 (en) * | 1980-10-27 | 1982-05-19 | Reinhardt Maschinenbau Gmbh, 7032 Sindelfingen | Sheet metal working machine feed mechanism - has detent retractable towards starting position below support plane for receipt of new sheet |
| CN106891056A (en) * | 2017-04-27 | 2017-06-27 | 南通东海机床制造集团有限公司 | A kind of hydraulic plate shears of epipodium guaranteed cost |
| CN206997882U (en) * | 2017-06-23 | 2018-02-13 | 苏州舜治自动化机械设备有限公司 | Plate shearing machine automatic loading and unloading device and integrated plate shearing machine |
| CN107876863A (en) * | 2017-11-14 | 2018-04-06 | 南昌宝江钢材加工配送有限公司 | A kind of sheet material subpackage and bag fine pruning automatic loading and unloading device |
| CN207668588U (en) * | 2017-11-17 | 2018-07-31 | 浙江卓立金属制品有限公司 | A kind of new steel plate plate shearing machine |
| CN208663906U (en) * | 2018-09-27 | 2019-03-29 | 广西理工职业技术学院 | A kind of accurate paper cutting apparatus for cutting paper |
| CN210059972U (en) * | 2019-06-12 | 2020-02-14 | 上海华美电梯装饰有限公司 | Automatic feeding and discharging system of plate shearing machine for production of lift car handrails |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110102818A (en) | 2019-08-09 |
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