CN111776663B - Automatic production line and blanking process suitable for blanking of automobile guide arm - Google Patents
Automatic production line and blanking process suitable for blanking of automobile guide arm Download PDFInfo
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- CN111776663B CN111776663B CN202010550316.3A CN202010550316A CN111776663B CN 111776663 B CN111776663 B CN 111776663B CN 202010550316 A CN202010550316 A CN 202010550316A CN 111776663 B CN111776663 B CN 111776663B
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- blanking
- roller conveyor
- cutting machine
- guide arm
- production line
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G43/00—Control devices, e.g. for safety, warning or fault-correcting
- B65G43/08—Control devices operated by article or material being fed, conveyed or discharged
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K7/00—Cutting, scarfing, or desurfacing by applying flames
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K7/00—Cutting, scarfing, or desurfacing by applying flames
- B23K7/10—Auxiliary devices, e.g. for guiding or supporting the torch
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G13/00—Roller-ways
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G57/00—Stacking of articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2203/00—Indexing code relating to control or detection of the articles or the load carriers during conveying
- B65G2203/02—Control or detection
- B65G2203/0208—Control or detection relating to the transported articles
- B65G2203/0233—Position of the article
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2203/00—Indexing code relating to control or detection of the articles or the load carriers during conveying
- B65G2203/04—Detection means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2203/00—Indexing code relating to control or detection of the articles or the load carriers during conveying
- B65G2203/04—Detection means
- B65G2203/042—Sensors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2203/00—Indexing code relating to control or detection of the articles or the load carriers during conveying
- B65G2203/04—Detection means
- B65G2203/042—Sensors
- B65G2203/044—Optical
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Laser Beam Processing (AREA)
Abstract
The invention discloses an automatic production line and a blanking process suitable for blanking of an automobile guide arm. According to the automatic production line and the blanking process, the positioning stop block is adopted for accurate positioning and the laser range finder is adopted for ranging, so that the accurate length of the raw materials is ensured; meanwhile, the raw materials are cut by the flame cutting machine, so that the problem of thick material cutting is solved, the cutting speed and the processing precision are improved, and the loss and the processing cost are reduced.
Description
Technical Field
The invention relates to the technical field of automobile guide arm production, in particular to an automatic production line and a blanking process suitable for blanking of an automobile guide arm.
Background
The guide arm is a commonly used part in a commercial vehicle suspension system, in particular a commercial vehicle air suspension system. With the increasing requirements for the comfort of the vehicle and the good quality of the goods transported, the air suspension is more and more widely used, and the demand of the guide arm as an important part for transmitting force and moment in the air suspension is more and more increased.
The traditional guide arm production process uses a sawing machine for blanking. The thickness of the raw material for manufacturing the guide arm is generally 35-100 mm, and the guide arm belongs to a thicker raw material; when thick materials are fed and discharged by a mechanical press, the requirement on the nominal pressure of the press is high, the feeding positioning accuracy of the press is low, the labor intensity is high, and the feeding process can be completed only by cooperation of three persons; and the large-nominal pressure mechanical press has high investment cost and large field noise. Although the sawing machine can realize thick material sawing, the processing beat is slow, and in addition, the thick material has large consumption on the saw blade, the saw blade needs to be frequently replaced, and the sawing machine is not suitable for the requirements on cost and production efficiency during mass production.
Disclosure of Invention
The invention aims to solve the defects of the prior art, provides the automatic production line and the blanking process suitable for blanking of the automobile guide arm, can meet the requirement of mass production, has high positioning precision, can be operated by only one person in the whole production line, and reduces the labor cost.
The invention is realized by the following technical scheme:
the utility model provides an automatic production line suitable for unloading of car guide arm, is including the pay-off part, unloading part and the pile up neatly part that set gradually, pay-off part, unloading part and pile up neatly part all are connected with external control center electricity, wherein:
the feeding part comprises a roller conveyor for conveying the plate to the blanking part, and a distance meter, a positioning stop block for positioning the plate, a feeding device and a pressing block for pressing the plate are sequentially arranged on the roller conveyor along the movement direction of the roller;
the blanking part comprises a numerical control cutting machine and a material receiving tray, and the numerical control cutting machine and the material receiving tray are sequentially arranged at the output end of the roller conveyor;
the stacking part comprises a robot and a plurality of material racks, and the robot places plates cut on the material receiving tray on the corresponding material racks according to different specifications.
Furthermore, a stub bar inbox is arranged at the lower end of the side of the numerical control cutting machine and used for receiving the stub bar cut by the numerical control cutting machine.
Furthermore, the positioning stop block and the pressing block are arranged on one side surface of the roller conveyor and are controlled to lift up or fall down through an air cylinder or a hydraulic cylinder.
Further, the distancer is laser range finder or infrared distance meter, the distancer passes through the fastener and installs the input of roller conveyor.
Furthermore, the feeding device is a magnet, the numerical control cutting machine is a flame cutting machine, and a raw material bracket is further arranged on one side close to the long edge of the roller conveyor and used for transversely moving the plates onto the roller conveyor.
Meanwhile, the invention also provides a blanking process of the automobile guide arm, which specifically comprises the following steps:
s1, transversely moving the plate from the raw material bracket to a roller conveyor;
s2, measuring the total length of the plate and transmitting the data to a control center;
s3, the control center calculates the length of the redundant stub bar according to the product parameters input in advance and the total length of the plate measured in the step S2;
s4, continuously feeding the materials to a position below a nozzle of the numerical control cutting machine by the roller conveyor, and cutting off the stub bars with the lengths calculated in the step S3; cutting according to the product parameters input in step S3;
and S5, the cut steel plates fall into the receiving tray, and the robot stacks the steel plates with different specifications on corresponding material racks.
When the steel plate cutting machine is used specifically, an operator moves a steel plate from a raw material bracket to the roller conveyor transversely and conveys the steel plate to the direction of the cutting machine, when the positioning stop block stops the steel plate on the roller, the distance meter measures the total length of the steel plate and transmits the total length to the control center, the control center is preset with product parameters of the steel plate, and the control center compares the transmitted data with the product parameters of the steel plate and calculates the length of redundant materials. After the length of the plate is measured, the control center sends an instruction to the air cylinder or the hydraulic cylinder connected with the positioning stop block to control the positioning stop block to fall down, the plate is conveyed to the direction of the cutting machine continuously through the feeding device, the tail end of the plate is pressed tightly by the pressing block at the moment, the cutting machine cuts off the redundant length of the plate firstly and then performs cutting blanking according to the product parameters input in advance, the cut stub bar just falls into a stub bar receiving box at the lower end of the side of the numerical control cutting machine, the cut finished steel plate is received by the receiving supporting plate, and the robot takes away the steel plate on the receiving supporting plate and stacks the steel plate on a corresponding material rack.
It should be noted that the control center calculates the specific position of the robot according to the length of the steel plate, and generally, the control center is located at the center positions of the steel plate on the receiving pallet and the rack.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention adopts the positioning stop block for accurate positioning and laser ranging, thereby ensuring the accurate length of the raw material;
2. the robot is adopted for material taking and stacking, so that the production efficiency is improved, and the labor intensity is reduced;
3. the robot is adopted for material taking and stacking, and the whole production line only needs one person for operation, so that the labor cost is reduced;
4. the invention adopts the flame cutting machine to cut the raw materials, not only solves the problem of thick material cutting, but also improves the cutting speed and the processing precision, reduces the loss and the processing cost, and can meet the requirement of mass production.
Drawings
FIG. 1 is a floor plan of an automatic production line of the present invention;
FIG. 2 is a schematic view of the control relationship of the automatic production line of the present invention;
FIG. 3 is a flow chart of the steps of the blanking process of the present invention.
Shown in the figure:
1. a raw material bracket; 2. a roller conveyor; 3. a cutter; 4. a material receiving supporting plate; 5. a robot; 6. a material rack; 601. a first rack; 602. a second rack; 7. a range finder; 8. positioning a stop block; 9. a compression block; 10. a feeding device; 11. a stub bar inbox.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without any inventive step, are within the scope of the present invention.
As shown in fig. 1-2, the present invention provides an automatic production line suitable for blanking of an automobile guide arm, which mainly comprises a feeding part, a blanking part and a stacking part, wherein the feeding part, the blanking part and the stacking part are all electrically connected with an external control center to realize automatic blanking, wherein:
the feeding part comprises a roller conveyor 2 for conveying the plates to the blanking part, and a distance meter 7, a positioning stop block 8 for positioning the plates, a feeding device 10 and a pressing block 9 for pressing the plates are sequentially arranged on the roller conveyor 2 along the movement direction of a roller;
the blanking part comprises a numerical control cutting machine 3 and a material receiving tray 4, and the numerical control cutting machine 3 and the material receiving tray 4 are sequentially arranged at the output end of the roller conveyor 2;
the stacking part comprises a robot 5, a first material frame 601 and a second material frame 602, wherein the robot 5 places plates cut on the receiving tray 4 on the first material frame 601 or the second material frame 602 according to different specifications, the stacking part is not limited to two material frames, and the number of the material frames 6 is flexibly determined according to actual requirements in actual application.
In the specific implementation of the embodiment, a stub bar inbox is preferably arranged at the lower end of the side of the numerical control cutting machine 3 and is used for containing the stub bar cut by the numerical control cutting machine 3.
In the above embodiment, preferably, the positioning block 8 and the pressing block 9 are disposed on a side surface of the roller conveyor 2, the positioning block 8 is controlled by an air cylinder to lift or fall, and the pressing block 9 is controlled by a hydraulic cylinder to lift or fall.
Preferably, the distance measuring instrument 7 is a laser distance measuring instrument, the laser distance measuring instrument 7 is installed through a fastener at the input end of the roller conveyor 2, the feeding device 10 is a magnet, the numerical control cutting machine 3 is a flame cutting machine, the flame cutting oxygen pressure of the flame cutting machine is 0.6-0.8MPa, the acetylene pressure is 0.03MPa, and the cutting speed is 1.5 mm/s.
Furthermore, a material carrier 1 is provided on the side close to the long side of the roller conveyor 2 for the purpose of traversing the sheet material onto the roller conveyor 2.
The blanking process corresponding to the automatic blanking production line is shown in fig. 3, and specifically comprises the following steps:
s1: transversely moving the plate material from the raw material bracket 1 to the roller conveyor 2;
s2: the laser distance measuring instrument 7 measures the length of the plate to obtain the total length of the plate, and transmits the measured result to the control center;
s3: the control center calculates the length of the redundant stub bar according to the product parameters input in advance and the total length of the plate measured in the step S2;
s4: the feeding device 10 conveys the steel plate to the flame cutting machine 3, a position sensor arranged on the flame cutting machine 3 senses the steel plate and transmits a signal to a control center, the pressing block 9 moves downwards to press the steel plate, meanwhile, the flame cutting machine 3 starts to cut the steel plate, the first cutting is the stub bar with the length calculated in the step S3, the cut stub bar falls into a stub bar inbox 11, then the cutting is carried out according to the product parameters input in advance in the step S3, and the cut steel plate is transmitted to the receiving supporting plate 4;
s5: the photoelectric sensor on the material receiving supporting plate 4 sends a signal to a control center, and the robot 5 places steel plates on the corresponding first material rack 601 or second material rack 602 according to an instruction of the control center.
The following further details the specific operation of the above embodiment:
an operator transversely moves a plate from the raw material bracket 1 to the roller conveyor 2 and conveys the plate to the direction of the numerical control cutting machine 3, the positioning stop block 8 stops the plate on a roller, the total length of the plate is measured by the laser range finder 7 and is transmitted to the control center, the control center is preset with product parameters of a steel plate to be cut, and the control center compares the transmitted data with the product parameters of the steel plate and calculates the length of redundant materials; then the control center sends an instruction to the air cylinder of the positioning stop block 8 to control the positioning stop block 8 to fall down, then the plate is continuously conveyed to the direction of the numerical control cutting machine 3 through the feeding device 10, after the plate enters the numerical control cutting machine 3, the control center controls the hydraulic cylinder of the pressing block 9 to move downwards to press the tail of the plate, at this time, the numerical control cutting machine 3 firstly cuts off the stub bar with the excess length of the plate, the stub bar falls into the stub bar receiving box 11, then cutting and blanking are carried out according to the product parameters input in advance, the cut finished steel plate is received by the receiving supporting plate 4, and finally, the control center controls the robot 5 to take away the steel plate on the receiving supporting plate 4 and stack the steel plate on the corresponding first material rack 601 or second material rack 602.
Specifically, in the process, the robot 5, the numerical control cutting machine 3, the material receiving supporting plate 4, the hydraulic cylinder connected with the pressing block 9, the cylinder connected with the positioning stop block 8, the feeding device 10, the roller conveyor 2 and the laser range finder 7 are all connected with a control center; the positioning stop block 8 and the pressing block 9 can move up and down under the control of the control center; in this embodiment, the numerical control cutting machine 3 is a flame cutting machine, and the distance measuring instrument 7 is a laser distance measuring instrument; in this embodiment, be equipped with the speculum that is used for laser range finder to range on the dog 8, laser range finder passes through the movable block and installs on roller conveyor 2, install the photoelectric sensor who is used for detecting the steel sheet on roller conveyor 2, when photoelectric sensor detected the steel sheet, control center control movable block moved the position of steel sheet, laser range finder begins to measure the length of steel sheet through the reflection with the speculum that sets up on dog 8 to convey the conveying of the good length of measuring to control center simultaneously.
After the measurement is finished, the positioning stop block 8 is moved away, the steel plate is conveyed to the cutting machine 3 continuously through the feeding device 10, the cutting machine 3 is provided with a position sensor, when the position sensor detects the steel plate, the pressing block 9 moves downwards to press the steel plate, and meanwhile, the cutting machine 3 starts to cut the steel plate. In this embodiment, the positioning stopper 8 is a release steel plate that is opened to the outside of the roller conveyor 2 by an air cylinder.
The steel sheet conveying after the cutting is accomplished connect material layer board 4 on, in same this embodiment, connect to install photoelectric sensor on the material layer board 4, sense the steel sheet and pass to control center with the signal when photoelectric sensor, robot 5 begins to put the steel sheet things in good order according to the instruction that control center assigned to on the work or material rest 6.
Before the robot 5 stacks the steel plates, the control center calculates the specific position of the robot 5 according to the specific length of the steel plates, and the specific position is located at the center positions of the steel plates on the material receiving supporting plate 4 and the material rack 6.
In conclusion, the automatic production line and the blanking process suitable for blanking of the automobile guide arm, provided by the invention, can efficiently and accurately finish the blanking work of the guide arm, and meet the condition of mass production.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and these modifications or substitutions do not make the essence of the corresponding technical solutions deviate from the technical solutions of the embodiments of the present invention.
Claims (9)
1. The utility model provides an automatic production line suitable for car guide arm unloading which characterized in that: comprises a feeding part, a blanking part and a stacking part which are arranged in sequence, wherein the feeding part, the blanking part and the stacking part are all electrically connected with an external control center,
the feeding part comprises a roller conveyor (2) for conveying plates to the blanking part, a distance meter (7), a positioning stop block (8) for positioning the plates, a feeding device (10) and a pressing block (9) for pressing the plates are sequentially arranged on the roller conveyor (2) along the movement direction of the roller conveyor, the positioning stop block (8) and the pressing block (9) are arranged on one side surface of the roller conveyor (2) and are controlled to lift or fall through an air cylinder or a hydraulic cylinder, and the distance meter (7) is installed at the input end of the roller conveyor (2) through a fastener;
the blanking part comprises a numerical control cutting machine (3) and a material receiving tray (4), and the numerical control cutting machine (3) and the material receiving tray (4) are sequentially arranged at the output end of the roller conveyor (2);
the stacking part comprises a robot (5) and a plurality of material racks (6), and the robot (5) places plates cut on the material receiving tray (4) on the corresponding material racks (6) according to different specifications.
2. The automatic production line suitable for blanking of the automobile guide arm as claimed in claim 1, wherein: and a stub bar inbox (11) is arranged at the lower end of the side of the numerical control cutting machine (3) and is used for containing the stub bar cut by the numerical control cutting machine (3).
3. The automatic production line suitable for blanking of the automobile guide arm as claimed in claim 2, wherein: the distance measuring instrument (7) is a laser distance measuring instrument or an infrared distance measuring instrument, and the distance measuring instrument (7) is installed at the input end of the roller conveyor (2) through a fastening piece.
4. The automatic production line suitable for blanking of the automobile guide arm as claimed in claim 2, wherein: the feeding device (10) is a magnet.
5. The automatic production line suitable for blanking of the automobile guide arm as claimed in claim 2, wherein: the numerical control cutting machine (3) is a flame cutting machine, the flame cutting oxygen pressure of the flame cutting machine is 0.6-0.8MPa, the acetylene pressure is 0.03MPa, and the cutting speed is 1.5 mm/s.
6. The automatic production line suitable for blanking of automobile guide arms as claimed in any one of claims 1 to 5, wherein: and a raw material bracket (1) is arranged on one side close to the long edge of the roller conveyor (2) and is used for transversely moving the plates onto the roller conveyor (2).
7. The blanking process of the automobile guide arm is characterized in that: the blanking process is based on the automatic production line of any one of claims 1 to 6, and specifically comprises the following steps:
s1, transversely moving the plate from the raw material bracket (1) to a roller conveyor (2);
s2, measuring the total length of the plate and transmitting the data to a control center;
s3, the control center calculates the length of the redundant stub bar according to the product parameters input in advance and the total length of the plate measured in the step S2;
s4, continuously feeding the roller conveyor (2) to a position below a nozzle of the numerical control cutting machine (3), and cutting off the stub bar with the length calculated in the step S3; cutting according to the product parameters input in step S3;
s5, the cut steel plates fall into the receiving tray (4), and the robot (5) stacks the steel plates of different specifications on the corresponding material racks (6).
8. The blanking process of the automobile guide arm as claimed in claim 7, wherein the blanking process comprises the following steps: the process of measuring the total length of the plate in the step S2 is as follows: roller conveyor (2) are gone up and are equipped with distancer (7), location dog (8), material feeding unit (10) and compact heap (9) in proper order along the roller table direction of motion, and panel is in under the biography tape transport effect of roller conveyor (2), through location dog (8) keep off panel on the roller table, use distancer (7) to measure the total length of panel this moment, then continue pay-off to numerical control cutting machine (3) under the effect of material feeding unit (10) on, cut the unloading after compressing tightly the panel tail end through compact heap (9).
9. The blanking process of the automobile guide arm as claimed in claim 7, wherein the blanking process comprises the following steps: and in the step S4, a stub bar inbox (11) is arranged at the side lower end of the numerical control cutting machine (3), and the cut stub bar directly falls into the stub bar inbox (11).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010550316.3A CN111776663B (en) | 2020-06-16 | 2020-06-16 | Automatic production line and blanking process suitable for blanking of automobile guide arm |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010550316.3A CN111776663B (en) | 2020-06-16 | 2020-06-16 | Automatic production line and blanking process suitable for blanking of automobile guide arm |
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| CN111776663A CN111776663A (en) | 2020-10-16 |
| CN111776663B true CN111776663B (en) | 2022-02-01 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202106120U (en) * | 2011-06-07 | 2012-01-11 | 北京天立成信机械电子设备有限公司 | Automatic cutting system for sectional materials |
| US9074871B1 (en) * | 2012-08-01 | 2015-07-07 | Steven M. Lubeck | Pipe measuring system |
| CN208147099U (en) * | 2018-04-28 | 2018-11-27 | 灵璧鸿峰科技环保设备有限责任公司 | A kind of compression tooling for steel plate air cutting |
-
2020
- 2020-06-16 CN CN202010550316.3A patent/CN111776663B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202106120U (en) * | 2011-06-07 | 2012-01-11 | 北京天立成信机械电子设备有限公司 | Automatic cutting system for sectional materials |
| US9074871B1 (en) * | 2012-08-01 | 2015-07-07 | Steven M. Lubeck | Pipe measuring system |
| CN208147099U (en) * | 2018-04-28 | 2018-11-27 | 灵璧鸿峰科技环保设备有限责任公司 | A kind of compression tooling for steel plate air cutting |
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| CN111776663A (en) | 2020-10-16 |
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