CN115889665B - Automatic feeding mechanical device for hot forging - Google Patents
Automatic feeding mechanical device for hot forging Download PDFInfo
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- CN115889665B CN115889665B CN202310241510.7A CN202310241510A CN115889665B CN 115889665 B CN115889665 B CN 115889665B CN 202310241510 A CN202310241510 A CN 202310241510A CN 115889665 B CN115889665 B CN 115889665B
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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
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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Abstract
The invention discloses a hot forging automatic feeding mechanical device, which relates to the technical field of hot forging feeding and comprises the following components: the two ends of the feeding roller are respectively provided with a lifting block in a rotating way, the left side and the right side of the lifting block are fixedly provided with convex blocks, and the lifting block is provided with a rotating motor for driving the feeding roller to rotate; the first lifter is characterized in that an upper rail plate is fixed at the upper output end of the first lifter, a first sliding seat is slidably arranged on the rail surface of the upper rail plate, a side plate frame is fixed on the first sliding seat, and a lifting rail which slides in a matched manner with the protruding block is fixed on the side plate frame; the induction heating ring is arranged between two adjacent feeding rollers; and the lifting regulation system is used for regulating and controlling the position of the feeding roller in the vertical direction in the feeding process so as to enable the metal plates to be fed in parallel.
Description
Technical Field
The invention relates to the technical field of hot forging feeding, in particular to a hot forging automatic feeding mechanical device.
Background
Hot forging refers to a forging process performed at a temperature above the recrystallization temperature of the metal. In general, most of forgings adopt various metal bars and metal plates as blanks for hot forging processing. The blank is heated in an induction heat treatment mode, and the heated blank is transferred to a forging area for forging by a manipulator or a conveying chain.
When the sheet metal piece is used as a blank for hot forging treatment, in the process of passing through a plurality of induction heating rings which are arranged in parallel, the existing feeding device is generally used for directly carrying and transmitting the sheet metal piece by adopting a transmission roller, so that the sheet metal piece sequentially passes through the induction heating rings to be heated; however, when the sheet metal piece plate area as a blank is large; in the process that the metal sheets are flatly and regularly placed on the conveying roller for conveying, the local metal sheets entering the induction heating ring are heated and heated firstly, the situation that the local metal sheets heated by the induction heating ring are expanded and lifted firstly can be directly observed, gaps are formed at the contact ends of the expanded and lifted part metal sheets and the conveying roller, and the whole structure of the metal sheets can be inclined, so that the number of the conveying rollers contacted with the metal sheets is reduced, the stable friction degree of the conveying rollers and the metal sheets is changed, the conveying rollers are continuously switched in the contact and non-contact conditions, and the slippage condition of the local metal sheets and the conveying rollers is easily caused along with the conveying process of the metal sheets, so that the possibility of the horizontal plane skew condition of the metal sheets, particularly the skew condition of the irregular metal sheets (the gravity center is inconsistent with the center) is higher, and the skew quantity is relatively larger; after the sheet metal piece is completely heated and conveyed out, the position of the sheet metal piece often deviates from the position conveyed by the conveying roller, so that the preset position of the clamped sheet metal piece can often deviate by the manipulator, and further the position of the subsequently heated sheet metal piece placed in the hot forging area is not accurate enough, and the hot forging quality and precision of the sheet metal piece are affected.
Therefore, a person skilled in the art provides an automatic feeding mechanical device for hot forging, so as to solve the problems in the background art.
Disclosure of Invention
In order to achieve the above purpose, the present invention provides the following technical solutions: an automated hot forging loading mechanism, comprising:
the two ends of the feeding roller are respectively provided with a lifting block in a rotating way, the left side and the right side of the lifting block are respectively fixed with a convex block, and the lifting block is provided with a rotating motor for driving the feeding roller to rotate;
the first lifter is characterized in that an upper rail plate is fixed at the upper output end of the first lifter, a first sliding seat is slidably arranged on the rail surface of the upper rail plate, a side plate frame is fixed on the first sliding seat, and a lifting rail which slides in a matched manner with the protruding block is fixed on the side plate frame;
the induction heating ring is arranged between two adjacent feeding rollers; and
and the lifting regulation system is used for regulating and controlling the position of the feeding roller in the vertical direction in the feeding process so as to enable the metal plates to be fed in parallel.
The invention is further arranged that the lifting regulation system comprises:
the lower rail plate is arranged below the upper rail plate in parallel, a second sliding seat is slidably arranged on the rail surface of the lower rail plate, a second lifter is fixed on the second sliding seat, a bracket fixedly connected with the lower end of the lifting block is fixed on the second lifter, and a pressure sensor for monitoring pressure change born by the feeding roller is arranged on the bracket;
the first feeding regulation and control module is used for monitoring and analyzing the side surface structure of the metal plate;
and the second feeding regulation and control module is used for monitoring and analyzing the warping condition of the metal plate caused by the expansion part formed after the metal plate is heated.
The invention further provides that the first feeding regulation and control module comprises:
the scanning module can perform side scanning monitoring on the metal plate on the feeding roller, select parallel plate sections with upper and lower parallel structures in the metal plate, record the length of each parallel plate section and the total length of the metal plate in the feeding direction, and scan and record in sequence along the feeding direction of the feeding roller;
the quantity acquisition module acquires and records the quantity of the feeding rollers covered by each parallel plate section of the initial metal plate, and adjusts the initial equidistant interval between the feeding rollers according to the total length L, so that the two ends of the metal plate are respectively attached to the top roller surfaces of the feeding rollers at the two most ends;
and the jump regulation and control module is used for regulating and controlling the jump transmission of signals between the second lifters.
The invention further provides that the second feeding regulation and control module comprises:
the pressure value acquisition module is used for acquiring and calculating the monitoring value of the pressure sensor and recording the monitoring value;
and the pressure value dynamic analysis module is used for analyzing the monitoring value of the pressure value acquisition module when the metal plate enters the induction heating ring.
The invention further provides a data grouping module, wherein the data grouping module is used for carrying out set division on the monitoring values of the pressure sensors in the same parallel plate section, and calculating and obtaining the average value of each set.
The invention is further characterized in that the lifting block is also provided with a laser irradiation head and a laser receiver, the laser irradiation head and the laser receiver are respectively positioned at two sides of the feeding roller, the laser irradiation head and the laser receiver are respectively vertically provided with two groups, the laser receiver is arranged at the corresponding position of the lifting block in the irradiation direction of the laser irradiation head, and the centers of the interval distances of the two groups of laser irradiation heads are overlapped with the horizontal tangent plane of the roller surface on the feeding roller.
The invention is further characterized in that a scraping plate strip is closely arranged at the roller surface of the lower end of the feeding roller, and two ends of the scraping plate strip are respectively fixed on the lifting blocks at two sides.
Compared with the prior art, the invention provides a hot forging automatic feeding mechanical device, which has the following beneficial effects:
according to the invention, the metal plate is placed on the feeding roller, the metal plate can be horizontally placed on the feeding roller through the matching regulation and control of the laser irradiation head, the laser receiver and the second lifter, the stability of the metal plate in transmission on the feeding roller is improved, and the metal plate can be contacted with the feeding roller well in the processes of before, during and after entering the induction heating ring through the automatic regulation and control programs of the first feeding regulation and control module and the second feeding regulation and control module, so that the friction degree between the metal plate and the feeding roller is more suitable and stable, the consistency of the position of the metal plate passing through the induction heating ring and the position of the metal plate initially placed on the feeding roller is greatly improved, and the mechanical arm is convenient to accurately clamp.
Drawings
FIG. 1 is a schematic diagram of a hot forging automated loading mechanism according to the present invention;
FIG. 2 is a schematic diagram of a lifting block according to the present invention;
FIG. 3 is a schematic view of a laser irradiation head according to the present invention;
FIG. 4 is a schematic diagram of a side view of a sheet metal feed of the present invention;
FIG. 5 is a schematic diagram of a folded sheet metal material loading implementation of the present invention;
FIG. 6 is a schematic diagram of an embodiment of a lift control system according to the present invention;
FIG. 7 is a schematic diagram of a fan-shaped sheet metal loading implementation of the present invention;
in the figure: 1. a feeding roller; 2. a lifting block; 3. a bump; 4. a side plate frame; 5. lifting rails; 6. an upper rail plate; 7. a first lifter; 8. a rotating electric machine; 9. a lifting regulation system; 10. a second lifter; 11. a lower rail plate; 12. a bracket; 13. a pressure sensor; 14. an induction heating ring; 15. scraping plate strips; 16. an expansion section; 17. a laser irradiation head; 18. a laser receiver; 19. the first feeding regulation and control module; 20. the second feeding regulation and control module; 21. a scanning module; 22. a quantity acquisition module; 23. a jump modulation and control module; 24. the pressure value acquisition module; 25. a pressure value dynamic analysis module; 26. and a data grouping module.
Detailed Description
Referring to fig. 1-7, the present invention provides a technical solution: an automated hot forging loading mechanism, comprising:
the feeding roller 1 is provided with lifting blocks 2 at two ends respectively, the left and right sides of the lifting blocks 2 are respectively fixed with a convex block 3, and the lifting blocks 2 are provided with a rotating motor 8 for driving the feeding roller 1 to rotate;
the first lifter 7 is fixed with an upper rail plate 6 at the upper output end, a first sliding seat is slidably arranged on the rail surface of the upper rail plate 6, a side plate frame 4 is fixed on the first sliding seat, and a lifting rail 5 which slides in a matched manner with the protruding block 3 is fixed on the side plate frame 4;
an induction heating ring 14 disposed between two adjacent feeding rollers 1; and
and the lifting regulation system 9 is used for regulating and controlling the position of the feeding roller 1 in the vertical direction in the feeding process so as to enable the metal plates to be fed in parallel.
Further, the lifting control system 9 includes:
the lower rail plate 11 is arranged below the upper rail plate 6 in parallel, a second sliding seat is slidably arranged on the rail surface of the lower rail plate 11, a second lifter 10 is fixed on the second sliding seat, a bracket 12 fixedly connected with the lower end of the lifting block 2 is fixed on the second lifter 10, and a pressure sensor 13 for monitoring pressure change of the feeding roller 1 is arranged on the bracket 12;
the first feeding regulation and control module 19 is used for monitoring and analyzing the side surface structure of the metal plate;
the second feeding regulation and control module 20 is used for monitoring and analyzing the tilting condition of the metal plate caused by the expansion part 16 formed by heating the metal plate;
the second sliding seat is in sliding assembly with the lower rail plate, and the first sliding seat is in sliding assembly with the upper rail plate, so that the distance between the feeding rollers can be quickly adjusted; the pressure sensor is used for monitoring the pressure value when the metal sheet is placed on the feeding roller.
Further, the first feeding regulation module 19 includes:
the scanning module 21 is capable of scanning and monitoring the side surface of the metal plate on the feeding roller 1, selecting parallel plate sections with upper and lower parallel structures in the metal plate, and recording the length of each parallel plate section: l1, L2, L3..a.ln, and the total length L in the sheet metal feeding direction, and is recorded in sequential scans along the feeding direction of the feeding roller 1;
the number acquisition module 22 acquires the number of the feeding rollers 1 covered by the parallel plate sections of the initial sheet metal, records s1, s2 and s3...sn, adjusts initial setting between the feeding rollers 1 according to the total length L, and sets an equidistant interval as a, so that two ends of the sheet metal are respectively attached to top roller surfaces of the feeding rollers 1 at the two most ends;
the jump regulating and controlling module 23 is used for regulating and controlling the jump transmission of signals between the second lifters, and can control the information of the lifting amount of the second lifter below the rear feeding roller to be transmitted to the second lifter below the front feeding roller (the feeding direction is the front);
in the specific implementation, when the metal plate is in a planar structure, for example, as shown in fig. 4, the metal plate is placed on a feeding roller located in a right side area of the induction heating ring, a scanning module scans and monitors the side surface of the metal plate, the number of parallel plate sections in an up-down parallel structure in the metal plate is recorded as 1 section, and the lengths of the parallel plate sections l1=the total length L; the quantity of the pressure sensors with the pressure value changed is transmitted to a quantity acquisition module, and because the quantity of the parallel plate sections is 1 section, the quantity of the feeding rollers covered by the 1 section of parallel plate sections is recorded as s1, at the moment, the equidistant interval increment between the feeding rollers 1 required to be adjusted is acquired through calculation [ (L/(s 1-1)) -a ], namely, when the metal plate is fed, the equidistant interval between the feeding rollers is adjusted, so that when one end of the metal plate is not attached to the top roller surface of the forefront feeding roller, the other end of the metal plate is just positioned on the top roller surface of the rearmost feeding roller, and when the metal plate is transmitted on the feeding rollers, the two ends of the metal plate enter the next feeding roller and are separated from the previous feeding roller simultaneously, thereby being beneficial to improving the stability of synchronous transmission of the metal plate and facilitating the judgment when the metal plate enters and is separated from the feeding roller in the transmission process;
when the metal plate is in a folded structure, as shown in fig. 5, the number of parallel plate sections in an up-down parallel structure in the metal plate is recorded as 1 section and 2 section, the lengths of the 1 st section and the 2 nd section parallel plate sections are respectively recorded as L1 and L2, the total length l= (l1+l2), the required equidistant interval increment between the feeding rollers 1 is obtained by calculating [ (L/(s 1-1)) -a ], and the equidistant interval between the feeding rollers is adjusted.
Further, the second feeding regulation module 20 includes:
the pressure value acquisition module 24 acquires and calculates the monitored value of the pressure sensor 13 and records the monitored value as: f1, f2, f3...fn;
a pressure value dynamic analysis module 25, which analyzes the monitoring value of the pressure value acquisition module when the metal plate material enters the induction heating ring 14;
in this embodiment, it should be noted that, when the metal sheet is placed on the loading roller, the weight G of the metal sheet needs to be measured in advance, that is, the metal sheet is placed on the loading roller, at this time, when the metal sheet is adjusted to be parallel to the conveying surface of the loading roller, the pressure value acquisition module acquires the monitoring value monitoring record of the pressure sensor at the coverage area of the metal sheet, and the sum of the monitoring values (f1+f2+f3+ & gt+fn) =g is ensured, so that the metal sheet is supported by the metal sheet in a dispersed manner, so that the friction degree between the metal sheet and the loading roller is more suitable and stable, and the transfer stability of the metal sheet is further improved; particularly when applied to the structural shape of the metal plate material as shown in fig. 5 and 7, the transfer stability of such metal plate material is effectively improved;
when a metal plate enters an induction heating ring, a pressure value dynamic analysis module dynamically monitors the dynamic change of the monitoring value of a pressure sensor covered by the metal plate at the moment, and as shown in fig. 4, the metal plate enters the induction heating ring and covers two groups of feeding rollers in the area of the induction heating ring, the metal plate is gradually heated and is formed with an expansion part, the expansion part supports the left metal plate, at the moment, almost only two feeding rollers (the feeding rollers with cross center lines in fig. 4) are in contact with the metal plate, the rest feeding rollers are hardly in contact with the metal plate, and the metal plate of the expansion part is heated at a high temperature state, so that the contact between the two feeding rollers and the metal plate is unstable, and when the metal plate is transferred, the metal plate is skewed; in this structure, if the above-mentioned condition appears, then synchronous dynamic feedback will be in pressure sensor, at this moment, when pressure sensor appears changing, then in the second riser that pressure sensor that appears changing then feeds back its place, by its regulation and control that goes up and down for the monitoring value of corresponding pressure sensor who changes resumes to be unanimous relatively with initial monitoring, alright regulation and control between two material loading rollers the material loading roller moves up dynamically, and then holds in the palm the flat material loading roller, thereby avoid the perk condition that sheet metal expansion portion arouses, and the sheet metal that leads to pastes the skew situation that the uneven contact arouses with the material loading roller.
Further, a data grouping module 26 is further included, and the data grouping module is configured to divide the monitored values of the pressure sensor 13 in the same parallel plate segment into sets: { F1}, { F2 }..{ Fm }, and calculating and obtaining an average value of each set, wherein the average value of each set is set as a limit value of a dynamic change value of a pressure sensor of each parallel plate section, that is, if the pressure sensor monitoring value is lower than/higher than the limit value in one parallel plate section, the limit value is used as the highest value/the lowest value of the dynamic change value, thereby improving the safety in the regulation and control process of the sheet metal and improving the safety stability of a program.
Further, the lifting block 2 is further provided with a laser irradiation head 17 and a laser receiver 18, the laser irradiation head 17 and the laser receiver 18 are respectively positioned at two sides of the feeding roller 1, the laser irradiation head 17 and the laser receiver 18 are respectively vertically provided with two groups, the laser receiver 18 is arranged at a position corresponding to the irradiation direction of the laser irradiation head 17 on the lifting block 2, and the centers of the interval distances of the two groups of laser irradiation heads 17 are overlapped with the horizontal tangent plane of the upper roller surface of the feeding roller 1; when the metal plate is placed on the feeding roller, the information of the laser irradiation heads and the laser receivers on two sides of the feeding roller are mutually fed and judged, and the regulation and control of the second lifter are matched until the plate surface of the metal plate is regulated to coincide with the centers of the interval distances of the two groups of laser irradiation heads and the horizontal tangential plane of the upper roller surface of the feeding roller, and at the moment, the metal plate is flatly placed on the feeding roller.
Further, a scraper bar 15 is tightly attached to the roll surface at the lower end of the feeding roll 1, and two ends of the scraper bar 15 are respectively fixed on the lifting blocks 2 at two sides so as to timely scrape the sticky particles on the surface of the feeding roll.
In specific implementation, the method comprises the following steps:
s1: placing the metal plate on a feeding roller, and enabling the metal plate to be horizontally placed on the feeding roller through the cooperation regulation and control of the laser irradiation head, the laser receiver and the second lifter;
s2: automatically calculating and adjusting equidistant intervals among the feeding rollers by a first feeding regulation and control module;
s3: the metal plate is conveyed into the induction heating ring by the feeding roller, wherein the metal plate is gradually immersed into the induction heating ring, and then is regulated and controlled again by the second feeding regulation and control module until the metal plate completely enters the induction heating ring, so that the consistency of the position of the metal plate passing through the induction heating ring and the position of the metal plate initially placed on the feeding roller is greatly improved, and the manipulator is convenient to accurately clamp.
The above description is only of the preferred embodiments of the invention, but the protection scope of the invention is not limited thereto, and any person skilled in the art who is skilled in the art to which the invention pertains should make equivalent substitutions or modifications according to the technical solution of the invention and its inventive concept within the scope of the invention.
Claims (4)
1. The utility model provides a hot forging automation material loading mechanical device which characterized in that, it includes:
the feeding roller (1) is provided with lifting blocks (2) at two ends in a rotating way, protruding blocks (3) are fixed on the left side and the right side of the lifting blocks (2), and a rotating motor (8) for driving the feeding roller (1) to rotate is arranged on the lifting blocks (2);
the first lifter (7) is fixedly provided with an upper rail plate (6) at the upper output end, a first sliding seat is slidably arranged on the rail surface of the upper rail plate (6), a side plate frame (4) is fixedly arranged on the first sliding seat, and a lifting rail (5) matched with the protruding block (3) to slide is fixedly arranged on the side plate frame (4);
an induction heating ring (14) arranged between two adjacent feeding rollers (1); and
the lifting regulation system (9) is used for regulating and controlling the position of the feeding roller (1) in the vertical direction in the feeding process so as to enable the metal plates to be fed in parallel;
the elevation adjustment system (9) comprises: the lower rail plate (11), the lower rail plate (11) is arranged below the upper rail plate (6) in parallel, a second sliding seat is slidably arranged on the rail surface of the lower rail plate (11), a second lifter (10) is fixed on the second sliding seat, a bracket (12) fixedly connected with the lower end of the lifting block (2) is fixed on the second lifter (10), and a pressure sensor (13) for monitoring pressure change born by the feeding roller (1) is arranged on the bracket (12);
the first feeding regulation and control module (19) is used for monitoring and analyzing the side surface structure of the metal plate;
the second feeding regulation and control module (20) is used for monitoring and analyzing the tilting condition of the metal plate caused by an expansion part (16) formed by the heated metal plate;
the first feeding regulation and control module (19) comprises: the scanning module (21) can perform side scanning monitoring on the metal plate on the feeding roller (1), select parallel plate sections with upper and lower parallel structures in the metal plate, record the length of each parallel plate section and the total length of the metal plate in the feeding direction, and sequentially scan and record along the feeding direction of the feeding roller (1);
the quantity acquisition module (22) acquires and records the quantity of the feeding rollers (1) covered by each parallel plate section of the initial metal plate, and adjusts the initial equidistant interval between the feeding rollers (1) according to the total length, so that two ends of the metal plate are respectively attached to the top roller surfaces of the feeding rollers (1) at the two most ends;
the jump control module (23) is used for jump transmission control of signals between the second lifters;
the second feeding regulation and control module (20) comprises: the pressure value acquisition module (24) acquires and calculates the monitoring value of the pressure sensor (13) and records the monitoring value;
and the pressure value dynamic analysis module (25) is used for analyzing the monitoring value of the pressure value acquisition module (24) when the metal sheet enters the induction heating ring (14).
2. The automatic hot forging feeding mechanical device according to claim 1, further comprising a data grouping module (26), wherein the data grouping module (26) is used for grouping the monitoring values of the pressure sensors (13) located in the same parallel plate section, and calculating and obtaining an average value of each group.
3. The automatic hot forging feeding mechanical device according to claim 1, wherein the lifting block (2) is further provided with a laser irradiation head (17) and a laser receiver (18), the laser irradiation head (17) and the laser receiver (18) are respectively located at two sides of the feeding roller (1), the laser irradiation head (17) and the laser receiver (18) are vertically provided with two groups respectively, the laser receiver (18) is installed at the corresponding position of the lifting block (2) in the irradiation direction of the laser irradiation head (17), and the centers of the interval distances of the two groups of laser irradiation heads (17) are overlapped with the horizontal tangential plane of the roller surface on the feeding roller (1).
4. A hot forging automatic feeding mechanical device according to claim 3, wherein a scraper bar (15) is closely arranged at the roller surface of the lower end of the feeding roller (1), and two ends of the scraper bar (15) are respectively fixed on the lifting blocks (2) at two sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310241510.7A CN115889665B (en) | 2023-03-14 | 2023-03-14 | Automatic feeding mechanical device for hot forging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310241510.7A CN115889665B (en) | 2023-03-14 | 2023-03-14 | Automatic feeding mechanical device for hot forging |
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| Publication Number | Publication Date |
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| CN115889665A CN115889665A (en) | 2023-04-04 |
| CN115889665B true CN115889665B (en) | 2023-05-02 |
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| Application Number | Title | Priority Date | Filing Date |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207158148U (en) * | 2017-09-08 | 2018-03-30 | 苏州工业园区久禾工业炉有限公司 | From tension type conveying equipment |
| CN109927264A (en) * | 2019-04-17 | 2019-06-25 | 王莉 | A kind of light guide plate hot-rolling pressing production line and hot rolling process |
| CN213559573U (en) * | 2021-05-25 | 2021-06-29 | 山东潍坊福田模具有限责任公司 | Panel punching press loading attachment |
| CN216944969U (en) * | 2022-03-18 | 2022-07-12 | 青岛清晨精密机械有限公司 | Automatic change panel conveying system |
| CN115570088A (en) * | 2022-10-28 | 2023-01-06 | 中铁高新工业股份有限公司 | Automatic roll forging forming production line |
-
2023
- 2023-03-14 CN CN202310241510.7A patent/CN115889665B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207158148U (en) * | 2017-09-08 | 2018-03-30 | 苏州工业园区久禾工业炉有限公司 | From tension type conveying equipment |
| CN109927264A (en) * | 2019-04-17 | 2019-06-25 | 王莉 | A kind of light guide plate hot-rolling pressing production line and hot rolling process |
| CN213559573U (en) * | 2021-05-25 | 2021-06-29 | 山东潍坊福田模具有限责任公司 | Panel punching press loading attachment |
| CN216944969U (en) * | 2022-03-18 | 2022-07-12 | 青岛清晨精密机械有限公司 | Automatic change panel conveying system |
| CN115570088A (en) * | 2022-10-28 | 2023-01-06 | 中铁高新工业股份有限公司 | Automatic roll forging forming production line |
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| CN115889665A (en) | 2023-04-04 |
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