CN114273878B - Full-automatic processing device for arc-shaped cutting board of land leveler - Google Patents
Full-automatic processing device for arc-shaped cutting board of land leveler Download PDFInfo
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- CN114273878B CN114273878B CN202111542051.3A CN202111542051A CN114273878B CN 114273878 B CN114273878 B CN 114273878B CN 202111542051 A CN202111542051 A CN 202111542051A CN 114273878 B CN114273878 B CN 114273878B
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- 238000005520 cutting process Methods 0.000 title claims abstract description 26
- 238000012545 processing Methods 0.000 title claims abstract description 21
- 238000003801 milling Methods 0.000 claims abstract description 33
- 238000004080 punching Methods 0.000 claims description 24
- 230000002457 bidirectional effect Effects 0.000 claims description 21
- 230000007246 mechanism Effects 0.000 claims description 18
- 238000012546 transfer Methods 0.000 claims description 16
- 230000003287 optical effect Effects 0.000 claims description 12
- 238000001179 sorption measurement Methods 0.000 claims description 10
- 239000003638 chemical reducing agent Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- 230000007306 turnover Effects 0.000 claims description 4
- 238000010030 laminating Methods 0.000 claims 1
- 238000003825 pressing Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 7
- 230000009471 action Effects 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000009740 moulding (composite fabrication) Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000005422 blasting Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000011236 particulate material Substances 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Abstract
The application belongs to the technical field of arc-shaped cutting board processing application, and particularly relates to a full-automatic processing device for an arc-shaped cutting board of a land leveler. Including milling machine, punch press and press, still including transporting the platform, milling machine and punch press set up in one side of transporting the platform, the press sets up in transporting the opposite side that the platform kept away from the punch press, it includes the base and sets up the removal seat in the base top to transport the platform, remove the seat and remove the setting along milling machine to punch press direction, it is provided with the fixing base to remove on the seat, the fixing base upset sets up in the top that removes the seat, be provided with the fixture that is used for centre gripping arc cutting board blank on the fixing base, the press includes the press body and sets up last mould and lower mould on the press body, the outside of lower mould is provided with the guide way. The application has simple structure and convenient processing, can be improved on the basis of the prior art, and is suitable for large-scale popularization and use.
Description
Technical Field
The application belongs to the technical field of arc-shaped cutting board processing application, and particularly relates to a full-automatic processing device for an arc-shaped cutting board of a land leveler.
Background
Land levellers utilize blades to level earth moving machinery on the ground. The scraper is arranged between the front wheel axle and the rear wheel axle of the machine and can lift, incline, rotate and extend outwards. The device has flexible and accurate action, convenient operation and higher precision in leveling the field, is suitable for constructing roadbeds and pavements, building side slopes and excavating side ditches, and can also stir pavement mixtures, sweep snow, push particulate materials and carry out maintenance work of soil roads and gravel roads.
The existing arc-shaped cutting board is mainly characterized in that a flat plate is sheared to a required cuboid size according to the drawing size of an order, then the flat plate is placed on an arc-shaped die of a press machine to be pressed into an arc shape with a required angle, and then an edge milling machine is used for edge milling and deburring through an upper tool; then punching by a punch, cleaning the surface of the workpiece and the machined iron cuts in the holes, and finally performing shot blasting treatment and spraying paint within 24 hours. In the whole procedure, edge milling machines, punching machines, pressing machines and shot blasting equipment are needed, and because the association degree among the equipment is not large, the transmission occupies a large part of time in the whole processing process, and because of the conveying problem, the equipment occupies a large space and the resource utilization is insufficient.
Disclosure of Invention
Aiming at the technical problems existing in the production of the arc-shaped cutting boards, the application provides a full-automatic processing device for the arc-shaped cutting boards of the grader, which has the advantages of reasonable design, simple structure, convenient processing, reduced occupied area and high automation.
In order to achieve the above purpose, the technical scheme includes that the full-automatic processing device for the arc-shaped cutting boards of the land leveller comprises an edge milling machine, a punching machine, a pressing machine and a transfer platform, wherein the edge milling machine and the punching machine are arranged on one side of the transfer platform, the pressing machine is arranged on the other side of the transfer platform, which is far away from the punching machine, the transfer platform comprises a base and a movable seat arranged above the base, the movable seat is arranged in a manner of moving towards the punching machine along the edge milling machine, a fixing seat is arranged on the movable seat, the fixing seat is arranged above the movable seat in a turnover manner, a clamping mechanism for clamping an arc-shaped cutting board blank is arranged on the fixing seat, the pressing machine comprises a pressing machine body, an upper die and a lower die which are arranged on the pressing machine body, and a guide groove is formed in the outer side of the lower die.
Preferably, the fixing seat is provided with a bidirectional screw rod, the bidirectional screw rod is arranged along the direction from the edge milling machine to the punching machine, the bidirectional screw rod penetrates through the fixing seat, two ends of the bidirectional screw rod are sleeved with sliding blocks, the sliding blocks are arranged at two ends of the bidirectional screw rod in a sliding mode, and the sliding blocks are provided with auxiliary clamping mechanisms.
Preferably, the fixing seat is provided with a power unit for driving the bidirectional screw rod, the power unit comprises a driving motor arranged on the fixing seat and a worm gear reducer connected with the power end of the driving motor, and the middle part of the bidirectional screw rod is connected with the power end of the worm gear reducer.
Preferably, the fixing seat is provided with a guiding optical axis, the guiding optical axis is arranged on two sides of the bidirectional screw rod, and the guiding optical axis passes through the sliding block.
Preferably, the clamping mechanism and the auxiliary clamping mechanism comprise clamping cylinders and clamps arranged at power ends of the clamping cylinders.
Preferably, the lower die comprises a side die fixed on the press body and a center die arranged in the middle of the side die, a negative pressure adsorption port is arranged on the center die, and the center die is arranged at the bottom of the guide groove in a lifting mode.
Preferably, the base is provided with a moving motor, the power end of the moving motor is connected with a screw rod, the moving seat is sleeved on the screw rod, and the moving seat is arranged on the base in a moving way through the screw rod.
Preferably, the base is provided with a guide rail, and the bottom of the movable seat is provided with a sliding groove matched with the guide rail.
Preferably, the fixed seat is arranged above the movable seat in a turnover manner through the rotary platform.
Compared with the prior art, the application has the advantages and positive effects that,
1. the application provides a full-automatic processing device for an arc-shaped cutting board of a land leveller, which utilizes the arrangement of a transfer platform to enable an edge milling machine, a punching machine and a pressing machine to be arranged together, reduces the occupied area, and simultaneously utilizes the arrangement of the transfer platform to realize the automatic conveying of an arc-shaped cutting board blank, thereby realizing the full-automatic processing of the arc-shaped cutting board. The application has simple structure and convenient processing, can be improved on the basis of the prior art, and is suitable for large-scale popularization and use.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present application, and other drawings may be obtained according to these drawings without inventive effort to a person skilled in the art.
Fig. 1 is a schematic structural diagram of a full-automatic processing device for an arc-shaped blade of a grader provided in embodiment 1;
fig. 2 is a schematic view of another angle of the full-automatic processing device for the arc-shaped blade of the grader according to embodiment 1;
fig. 3 is a schematic structural diagram of a transfer platform provided in embodiment 1;
FIG. 4 is a schematic view of another angle of the transfer platform according to embodiment 1;
fig. 5 is a schematic view of the structure of the guide groove provided in embodiment 1;
fig. 6 is a schematic structural view of the lower die provided in embodiment 1;
fig. 7 is a front view of the lower die provided in embodiment 1;
in the above figures, 1, an edge milling machine; 2. punching machine; 3. a press body; 31. a lower die; 311. a side mold; 312. a center die; 313. a lifting cylinder; 314. a negative pressure adsorption port; 32. a guide groove; 4. a transfer platform; 41. a base; 411. a moving motor; 412. a screw rod; 413. a guide rail; 42. a movable seat; 43. rotating the platform; 44. a fixing seat; 441. a driving motor; 442. a two-way screw rod; 443. guiding an optical axis; 45. a slide block; 5. a clamping mechanism; 51. a clamping cylinder; 52. a clamp; 6. and an auxiliary clamping mechanism.
Detailed Description
In order that the above objects, features and advantages of the application will be more clearly understood, a further description of the application will be rendered by reference to the appended drawings and examples. It should be noted that, without conflict, the embodiments of the present application and features in the embodiments may be combined with each other.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application, however, the present application may be practiced otherwise than as described herein, and therefore the present application is not limited to the specific embodiments of the disclosure that follow.
Embodiment 1, as shown in fig. 1-6, this embodiment aims at realizing that the arc-shaped cutting board of the land leveller automatically completes the working procedures of edge milling, forming and punching, and simultaneously, reduces the occupied area of the whole device so as to achieve the purpose of high-efficiency production, for this purpose, this embodiment provides a full-automatic processing device for the arc-shaped cutting board of the land leveller, which comprises an edge milling machine 1, a punching machine 2 and a punching machine, wherein the edge milling machine 1 and the punching machine 2 adopt the existing equipment, in this embodiment, in order to realize automatic work by the punching machine, the structure of a lower die 31 of the punching machine is improved, but the whole structure is unchanged.
In order to realize automatic production of the arc-shaped cutting boards, in the embodiment, a transfer platform 4 is further arranged among the edge milling machine 1, the punching machine 2 and the pressing machine, the transfer platform 4 has two functions, one is used for completing movement of arc-shaped cutting board blanks among the edge milling machine 1, the punching machine 2 and the pressing machine, and the other is used for completing movement work of the arc-shaped cutting board blanks on the edge milling machine 1 and the punching machine 2, namely, edge milling work is completed by matching with the edge milling machine 1, and punching work is completed by matching with the punching machine 2.
For this reason, in this embodiment, the edge milling machine 1 and the punch 2 are disposed on one side of the transfer platform 4, and the press is separately disposed on the other side of the transfer platform 4 away from the punch 2, so that the transfer platform 4 is disposed between three devices to reduce the length of transportation, and in this embodiment, the existing processing technology is modified, specifically, the arc-shaped blank is milled, then transferred to the press to finish profiling, and finally, moved to the punch 2 to finish punching. The purpose of the arrangement is mainly to take into account that in the traditional process, after the press forming, a special tool is needed to finish edge milling, so that the edge milling cannot be effectively matched with the punch 2, and for this purpose, the process sequence is adjusted.
In order to achieve the above-mentioned function, in this embodiment, the transfer platform 4 includes a base 41 and a moving seat 42 disposed above the base 41, in this embodiment, the base 41 is rectangular, the long edge milling machine 1 is disposed in a moving manner toward the punch press 2, a moving motor 411 is disposed on one side of the base 41, a power end of the moving motor 411 is connected with a screw rod 412, and a bearing seat is disposed on the base 41, so that the screw rod 412 is disposed on the base 41 through rotation of the bearing seat, a screw rod nut is disposed on the moving seat 42, and the moving seat 42 is sleeved on the screw rod 412 through the screw rod nut, so that the moving seat 42 is disposed on the base 41 through movement of the screw rod 412. Thus, by providing the screw 412, the movable base 42 can reciprocate between the edge milling machine 1 and the punch 2.
In this embodiment, in order to ensure the running stability of the movable seat 42, a guide rail 413 is provided on the base 41, and a sliding groove matched with the guide rail 413 is provided at the bottom of the movable seat 42. In the embodiment, two guide rails 413 are arranged side by side, so that the running stability is ensured by matching with the arrangement of the screw rod 412.
In order to realize clamping and moving of the arc-shaped knife board blank, in the embodiment, a fixed seat 44 is arranged on the moving seat 42, the fixed seat 44 is overturned and arranged above the moving seat 42, specifically, in the embodiment, the fixed seat 44 is integrally arranged in a T shape, a rotating platform 43 is arranged at the top of the moving seat 42, and the rotating platform 43 is vertically arranged at the top of the moving seat 42, so that the T-shaped fixed seat 44 is not blocked during overturning, and overturning of the fixed seat 44 is realized.
In order to realize clamping of the arc-shaped knife plate blank, a clamping mechanism 5 for clamping the arc-shaped knife plate blank is arranged on the fixing seat 44, and considering that the length of the arc-shaped knife plate blank is generally between 2 meters and 3 meters, for this purpose, in the embodiment, a driving motor 441 is arranged at the joint of the T-shaped of the fixing seat 44, a worm gear reducer is connected with the power end of the driving motor 441, a bidirectional screw rod 442 is connected with the power end of the worm gear reducer, the bidirectional screw rod 442 penetrates through two sides of the fixing seat 44, the bidirectional screw rod 442 is arranged along the long side direction of the base 41, sliding blocks 45 are sleeved at two ends of the bidirectional screw rod 442, and screw rod nuts are also arranged on the sliding blocks 45, so that under the action of the driving motor 441, the sliding blocks 45 move relatively or oppositely, and an auxiliary clamping mechanism 6 is arranged on the sliding blocks 45.
In order to ensure the stability of the movement of the slider 45, in this embodiment, guiding optical axes 443 are disposed on two sides of the fixing base 44, the guiding optical axes 443 are disposed on two sides of the bidirectional screw rod 442, and the guiding optical axes 443 are disposed through the slider 45, so that the stability of the movement of the slider 45 is determined in cooperation with the guiding optical axes 443, and also, a stopper is disposed at an end of the guiding optical axes 443 to prevent the slider 45 from sliding down.
Thus, by means of the cooperation of the auxiliary clamping mechanism 6 and the clamping mechanism 5, the longer arc-shaped knife board blank can be clamped, and meanwhile, the clamping stability is ensured. The auxiliary clamping mechanism 6 and the clamping mechanism 5 mainly realize the clamping of the flat plate and the arc-shaped piece, and the clamping can be realized by adding a soft cushion on the pneumatic clamp 52 due to the limited radian of the arc-shaped knife plate blank.
Since the holder 44 cannot be turned directly to the working area after the turning is completed, for this reason, in the present embodiment, the clamping mechanism 5 and the auxiliary clamping mechanism 6 each include a clamping cylinder 51 and a clamp 52 provided at a power end of the clamping cylinder 51. The clamp 52 is a pneumatic clamp, of course, the clamp 52 can also adopt a negative pressure adsorption clamping method, different conveying devices can be arranged according to different clamping methods, for example, if negative pressure adsorption is adopted, the clamp can be placed on a horizontal conveying belt, but considering that edge milling and stamping actions are required, the negative pressure adsorption is likely to fall, for this purpose, the pneumatic clamp 52 is preferentially fixed in a mechanical clamping mode, if the pneumatic clamp is required, the negative pressure adsorption capable of realizing overturning is matched on the basis of the horizontal conveying belt, the negative pressure adsorption at the moment mainly clamps and overturns an arc-shaped knife blank material placed horizontally by about 60 degrees, the pneumatic clamp is convenient to clamp, and the action of the clamping cylinder 51 mainly realizes forward pushing.
Thus, after the clamping mechanism 5 and the auxiliary clamping mechanism 6 clamp the arc-shaped cutter bar blank, the clamping cylinder 51 works to push the arc-shaped cutter bar blank forward, so that the arc-shaped cutter bar blank moves to the working part of the edge milling machine 1, then the moving seat 42 drives the fixed seat 44 to move to finish edge milling, and after edge milling is finished, the rotating platform 43 turns over to turn over the fixed seat 44 to one side of the press.
As is well known, the press machine is to press an arc-shaped blade blank by using the cooperation between the upper and lower dies 31, and for this purpose, in the present embodiment, the press machine includes a press body 3 and the upper and lower dies 31 provided on the press body 3, wherein the upper die moves downward to complete press forming, and a guide groove 32 is provided on the outer side of the lower die 31 for effective placement by cooperation with a jig 52. In this embodiment, the lower die 31 forms the bottom of the guide groove 32, and the guide groove 32 is disposed in a flaring state with a larger distance from the bottom to the top, so that after the lower die 31 is placed in the guide groove 32 by the fixture 52, the lower die 31 is accurately placed under the action of the guide groove 32, thereby completing the press forming. When the arc-shaped blade blank is placed, the arc-shaped blade blank needs to be placed obliquely, namely, after one side of the arc-shaped blade blank, which is far away from the clamp 52, is attached to one side of the guide groove 32, which is far away from the fixed seat 44, by using the clamping cylinder 51, the clamp 52 is released, and accurate falling can be ensured by the arrangement.
In order to facilitate the fixture 52 to take out the pressed arc-shaped blade blank, in this embodiment, the structure of the lower die 31 is improved, specifically, the lower die 31 includes a side die 311 fixed on the press body and a center die 312 disposed in the middle of the side die 311, in this embodiment, the center die 312 is similarly disposed in a trapezoid shape, i.e. the length of the upper edge is greater than that of the lower edge, so that the contact surfaces of the center die 312 and the side die 311 form an inclined plane, and as the side die 311 is fixed on the press body 3, the pressure can be better dispersed, and the excessive pressure generated by the lifting cylinder 313 below the center die 312 is avoided. Causing damage, and such an arrangement, the pressure is substantially transmitted to the press body 3, thereby ensuring the pressing effect.
In order to push out the arc-shaped knife blank material of the guide groove 32 from the guide groove 32, a negative pressure adsorption port 314 is arranged on the center die 312, and a lifting cylinder 313 is arranged below the center die 312, so that the arc-shaped knife blank is adsorbed by the negative pressure adsorption port 314, then, the arc-shaped knife blank is ejected by the lifting cylinder 313, the clamp 52 can clamp the arc-shaped knife blank, then, the clamp overturns and moves to be conveyed to a workbench of the punch press 2, and the punching work is completed under the action of the punch press 2.
And finally, placing the punched arc-shaped cutter plate blank on a horizontal conveying belt at the other side. Through foretell setting, effectively realized the full-automatic production of arc cutting board, and then solved the technical problem that exists among the prior art, reached high-efficient production's purpose.
The present application is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical substance of the present application without departing from the technical content of the present application still belong to the protection scope of the technical solution of the present application.
Claims (4)
1. The utility model provides a flat bed machine arc cutting board full-automatic processingequipment, includes milling machine, punch press and press, its characterized in that still includes the transportation platform, milling machine and punch press set up in one side of transporting the platform, the press sets up in the opposite side that the punch press was kept away from to the transportation platform, the transportation platform includes the base and sets up the removal seat in the base top, remove the seat along milling machine and remove the setting to punch press direction, be provided with the fixing base on the removal seat, the fixing base is T font setting, the fixing base upset sets up in the top of removing the seat, be provided with the fixture who is used for centre gripping arc cutting board blank on the fixing base, the press includes the press body and sets up last mould and the lower mould on the press body, the outside of lower mould is provided with the guide way, the lower mould is including the side mould and the middle centre mould that sets up the side mould in the middle of being used for fixing on the press body, the center die is provided with a negative pressure adsorption port, the center die is arranged at the bottom of the guide groove in a lifting manner, the fixing seat is provided with a bidirectional screw rod, the bidirectional screw rod is arranged along the direction from the edge milling machine to the punching machine, the bidirectional screw rod penetrates through the fixing seat, two ends of the bidirectional screw rod are sleeved with sliding blocks, the sliding blocks are provided with screw nuts, the sliding blocks are arranged at two ends of the bidirectional screw rod in a sliding manner, the sliding blocks are provided with auxiliary clamping mechanisms, the fixing seat is provided with a power unit for driving the bidirectional screw rod, the power unit comprises a driving motor arranged on the fixing seat and a worm gear reducer connected with the power end of the driving motor, the middle part of the bidirectional screw rod is connected with the power end of the worm gear reducer, the fixing seat is provided with a guiding optical axis, the guiding optical axis is arranged at two sides of the bidirectional screw rod, the guide optical axis passes the slider setting, fixture and auxiliary clamping mechanism all include can be used to the centre gripping cylinder of arc knife board blank material forward propelling movement and set up the anchor clamps at centre gripping cylinder power end, and during the concrete implementation, earlier mill the limit to arc knife board blank material, then, transfer to the press and accomplish the die mould, finally, remove the work of accomplishing the punching a hole on the punch press, when placing arc knife board blank, need the slope place, utilize the centre gripping cylinder to make one side laminating guide way that the anchor clamps was kept away from to arc knife board blank material keep away from after one side of fixing base, then, loosen anchor clamps can.
2. The full-automatic processing device for the arc-shaped cutting boards of the grader according to claim 1, wherein a moving motor is arranged on the base, a power end of the moving motor is connected with a screw rod, the moving seat is sleeved on the screw rod, and the moving seat is movably arranged on the base through the screw rod.
3. The full-automatic processing device for the arc-shaped cutting boards of the grader according to claim 2, wherein a guide rail is arranged on the base, and a sliding groove matched with the guide rail is arranged at the bottom of the movable seat.
4. The full-automatic processing device for the arc-shaped cutting board of the grader according to claim 3, wherein the fixed seat is arranged above the movable seat in a turnover manner through the rotary platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111542051.3A CN114273878B (en) | 2021-12-16 | 2021-12-16 | Full-automatic processing device for arc-shaped cutting board of land leveler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111542051.3A CN114273878B (en) | 2021-12-16 | 2021-12-16 | Full-automatic processing device for arc-shaped cutting board of land leveler |
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| Publication Number | Publication Date |
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| CN114273878A CN114273878A (en) | 2022-04-05 |
| CN114273878B true CN114273878B (en) | 2023-11-03 |
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| CN202111542051.3A Active CN114273878B (en) | 2021-12-16 | 2021-12-16 | Full-automatic processing device for arc-shaped cutting board of land leveler |
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| CN209158448U (en) * | 2018-12-27 | 2019-07-26 | 浙江波普环境服务有限公司 | A kind of multiconductor mechanical paw |
| CN110315296A (en) * | 2019-07-25 | 2019-10-11 | 南京钢铁股份有限公司 | A kind of preparation process of arc knife plate |
| CN113118784A (en) * | 2021-05-18 | 2021-07-16 | 重庆建设工业(集团)有限责任公司 | Automatic avatar tube production line |
| WO2021179509A1 (en) * | 2020-03-10 | 2021-09-16 | 南京英尼格玛工业自动化技术有限公司 | Automated production line system for battery tray bottom plate welding and milling |
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2021
- 2021-12-16 CN CN202111542051.3A patent/CN114273878B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104440876A (en) * | 2014-11-06 | 2015-03-25 | 同高先进制造科技（太仓）有限公司 | Five-axis composite movement power-assisting arm |
| CN209158448U (en) * | 2018-12-27 | 2019-07-26 | 浙江波普环境服务有限公司 | A kind of multiconductor mechanical paw |
| CN109822867A (en) * | 2019-02-28 | 2019-05-31 | 滁州精峰机电科技有限公司 | A kind of three station doors lining vacuum forming machine |
| CN110315296A (en) * | 2019-07-25 | 2019-10-11 | 南京钢铁股份有限公司 | A kind of preparation process of arc knife plate |
| WO2021179509A1 (en) * | 2020-03-10 | 2021-09-16 | 南京英尼格玛工业自动化技术有限公司 | Automated production line system for battery tray bottom plate welding and milling |
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| CN114273878A (en) | 2022-04-05 |
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