CN118081394A - Automatic machine tool for producing metal winding pad - Google Patents
Automatic machine tool for producing metal winding pad Download PDFInfo
- Publication number
- CN118081394A CN118081394A CN202410487820.1A CN202410487820A CN118081394A CN 118081394 A CN118081394 A CN 118081394A CN 202410487820 A CN202410487820 A CN 202410487820A CN 118081394 A CN118081394 A CN 118081394A
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- inner ring
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- 239000002184 metal Substances 0.000 title claims abstract description 187
- 238000004804 winding Methods 0.000 title claims abstract description 64
- 238000005520 cutting process Methods 0.000 claims description 114
- 239000000463 material Substances 0.000 claims description 108
- 238000003825 pressing Methods 0.000 claims description 28
- 238000006073 displacement reaction Methods 0.000 claims description 13
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 238000010030 laminating Methods 0.000 claims description 3
- 230000006978 adaptation Effects 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000003466 welding Methods 0.000 description 21
- 230000008093 supporting effect Effects 0.000 description 7
- 238000001125 extrusion Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 239000011229 interlayer Substances 0.000 description 4
- 229910000679 solder Inorganic materials 0.000 description 4
- 230000002457 bidirectional effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 239000010425 asbestos Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000078 claw Anatomy 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 238000004021 metal welding Methods 0.000 description 1
- -1 polytetrafluoroethylene Polymers 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007779 soft material Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P23/00—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
- B23P23/04—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass for both machining and other metal-working operations
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Replacement Of Web Rolls (AREA)
Abstract
The invention is suitable for the technical field of metal winding pad production, and provides an automatic machine tool for producing a metal winding pad, which comprises a transfer manipulator and a positioning unit, wherein the transfer manipulator is arranged in front of the positioning unit.
Description
Technical Field
The invention relates to the technical field of metal winding pad production, in particular to an automatic machine tool for producing a metal winding pad.
Background
The metal winding gasket is formed by mutually overlapping and spirally winding metal strips and other alloy materials and soft materials such as graphite, asbestos, polytetrafluoroethylene, asbestos-free materials and the like, is suitable for occasions with uneven load, easily relaxed bonding force, periodical change of temperature and pressure and impact or vibration, and is a static sealing element at flange joints of valves, pumps, heat exchangers and the like.
At present, the existing metal winding pad production mode is to sleeve the inner ring on a machine tool, wind the metal belt on the inner ring at least one circle, then wind the material belt and the metal belt on the inner ring synchronously, after the material belt is wound, wind the metal belt continuously, thereby wrap the material belt in the metal belt interlayer, and then sleeve the outer ring outside the metal belt and the material belt, finally form the metal winding pad.
After the metal winding pad is wound, the metal strip of the outermost ring and the metal strip of the adjacent inner ring are required to be welded with each other, in order to avoid the situation that the metal strip and the material strip are affected by self elasticity to be loose, a section of length is reserved at the cutting-off part of the welding head and the metal strip, welding is completed before the cutting-off part of the metal strip passes through the welding head, the processing mode can lead to the situation that the metal strip between the welding spot and the cutting-off part is tilted, a worker needs to manually flatten the metal strip at the tilting position to conduct sleeving of the outer ring, and when the outer ring is sleeved, the tilting position of the metal strip is offset due to extrusion of the outer ring, and the worker needs to repeatedly adjust to complete assembly work.
In addition, through the manual work cup joints the outer loop, not only complex operation can also influence the efficiency that the outer loop cup jointed because of the perk limit of strap moreover.
Disclosure of Invention
In view of the shortcomings of the prior art, the invention aims to provide an automatic machine tool for producing metal winding mats.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides an automatic lathe for producing metal winding pad, includes and moves and carries manipulator and positioning unit, move and carry the manipulator setting in positioning unit's the place ahead, positioning unit's front end is provided with the inner ring, positioning unit's front surface mounting has material to take conveying unit, auxiliary unit and cuts the unit, auxiliary unit is two sets of, and sets up respectively in the top and the below of inner ring, it sets up in one side of inner ring to cut the unit, positioning unit's top just is located the inner ring and keeps away from one side of cutting the unit and install metal strap conveying unit, material takes conveying unit is located one side that a set of auxiliary unit in top is close to metal strap conveying unit.
The positioning unit comprises a workbench and a fixed plate arranged at the top of the workbench, the transfer manipulator is positioned in front of the workbench, a clamping assembly is arranged on the rear surface of the fixed plate, and the front end of the clamping assembly penetrates through the side wall of the fixed plate and is connected with the inner ring in a clamping manner.
The clamping assembly comprises two supporting frames arranged on the rear surface of a fixed plate, a connecting frame is connected between the two supporting frames, a servo motor is arranged in the middle of one side of the connecting frame, which is close to the fixed plate, the output end of the servo motor is connected with a connecting rod, the front surface of the fixed plate is provided with a fixing frame, the front end of the connecting rod penetrates through the inside of the fixing frame and is provided with a pneumatic chuck, the outer side wall of the pneumatic chuck is equidistantly connected with a plurality of check blocks, the outer side wall of the pneumatic chuck is sleeved with an inner ring, the outer side wall of the fixing frame is attached to the side wall of the check block, and a displacement mechanism is arranged on the outer side wall of the fixing frame.
The invention is further provided with: the displacement mechanism comprises an electric guide rail arranged at the top of a fixing frame and two locating frames which are connected to the top of the electric guide rail in a sliding mode, wherein the two locating frames are vertically arranged, clamping cylinders are arranged on one sides, close to the fixing plates, of the locating frames, piston rods of the clamping cylinders penetrate through the side walls of the corresponding locating frames and are connected with first arc plates, one ends, far away from the corresponding clamping cylinders, of the first arc plates are connected with second arc plates, the inner diameters of the first arc plates and the inner diameters of the second arc plates are the same, the outer diameters of the first arc plates are larger than the outer diameters of the second arc plates, and inclined portions are arranged at the outer wall connection positions of the first arc plates and the outer wall connection positions of the second arc plates.
Through adopting above-mentioned technical scheme, after the strap on the inner ring outer wall is twined with the material area, two sets of auxiliary unit and strap's winding part separation, the piston rod of centre gripping cylinder extends and promotes corresponding first arc displacement, first arc removes to the position corresponding with the inner ring outer wall, two first arcs splice each other and form the lantern ring and cup joint the winding part at strap and material area afterwards, strap and material area are prevented loosely by the extrusion, two second arcs also accomplish the concatenation and form auxiliary ring this moment, move and carry the manipulator and cup joint the outer loop outside at auxiliary ring directly, and utilize the slope that sets up between first arc and the second arc to be pushed gradually the outside of lantern ring, after the outer loop cover is established, centre gripping cylinder drives first arc and second arc and takes out from the inside of outer loop, cause the inner wall of outer loop and strap and the laminating of winding part of material area, finally reach the purpose of automatic assembly outer loop.
After the outside winding of strap and material area at the inner ring, the winding part is laminated with the dog, and when first arc and second arc were taken out, the dog was stopped with the toppling direction of strap and material area winding part, avoided taking place the skew condition with strap and material area winding part.
The invention is further provided with: the metal belt conveying unit comprises a fixed table arranged at the top of the workbench and a fixed seat arranged at the top of the fixed table, the top of the fixed seat is connected with a pressing plate through a bolt, a metal belt is arranged between the fixed seat and the pressing plate in a penetrating mode, a cutting-off assembly is arranged at the top of the fixed table and one side, close to the clamping assembly, of the fixed table, and one end of the metal belt penetrates through the cutting-off assembly.
The invention is further provided with: the utility model discloses a metal strip cutting device, including fixing frame, the fixed station top, cut the subassembly including installing in the frame of fixed station top and sliding connection in the inside slider of frame, cut the sword is installed to the bottom of slider, cut the cylinder is installed at the top of frame, the piston rod of cutting the cylinder is connected with the top of slider, the one end that the fixing base was kept away from to the metal strip wears to locate between the inside diapire of slider and frame.
The invention is further provided with: the mounting seat is installed to one side of the fixed station that is close to the clamping assembly, the vertical upward actuating cylinder that installs of lateral wall of mount pad, actuating cylinder's piston rod is connected with the riser, the top rotation of riser is connected with two first motorized rolls, the strap is kept away from the fixing base and is cut the one end of subassembly and wear to locate between two first motorized rolls.
The invention is further provided with: the material area conveying unit is including installing in the front surface of fixed plate and the mounting panel that is located the strap conveying unit top, the front surface of mounting panel rotates and is connected with the driving disk that is used for fixed material area dish, the front surface mounting of mounting panel has a plurality of driving wheels and two sets of second electric rollers, the last material area one end of material area dish is through a plurality of lateral walls from the driving wheel and wear to locate between two sets of second electric rollers in proper order, the front surface mounting of mounting panel has flexible cylinder, the cutter is installed to the piston rod position of flexible cylinder, the cutter is towards the outer wall setting of one of them a set of second electric rollers.
By adopting the technical scheme, when the metal belt passes through the gap between the fixed seat and the pressing plate and between the two first electric rollers in sequence during conveying, when the winding length of the metal belt outside the inner ring reaches a preset length, the cutting assembly cuts the metal belt immediately; the driving disc is composed of a driving motor and a rotating disc, the rotating disc and the rotating disc are connected through a material tape winding sleeve, the driving motor drives the rotating disc and the material disc to rotate, the purpose that the material tape is released by the material disc is achieved, the material tape released by the material disc is guided through the cooperation of a plurality of driven wheels, the material tape is finally conveyed to the direction of an inner ring through between two groups of second electric rollers, and when the winding length of the material tape outside the inner ring reaches a preset length, a telescopic cylinder drives a cutter to move to the direction corresponding to the second electric rollers and cut off the material tape, and unused material tape is continuously conveyed to the position between the two groups of second electric rollers for standby.
The invention is further provided with: the auxiliary units are arranged on the upper side and the lower side of the fixing frame respectively, the front surfaces of the auxiliary units are provided with auxiliary cylinders, the piston rods of the auxiliary cylinders are arranged oppositely, the auxiliary plates are connected to the piston rod positions of the auxiliary cylinders, auxiliary wheels are connected to the inner parts of the auxiliary plates in a rotating mode, and the auxiliary wheels are attached to the outer walls of the inner rings.
Through adopting above-mentioned technical scheme, when the inner loop passes through pneumatic chuck centre gripping, the auxiliary cylinder of two sets of auxiliary unit starts simultaneously, and auxiliary cylinder promotes the position that corresponds auxiliary plate and auxiliary wheel to the inner loop and is close to, and simultaneously, the strap twines before the outer wall of inner loop, at first sends the tip of strap between auxiliary wheel and the inner loop below, utilizes auxiliary wheel and inner loop cooperation to press the strap on the outer wall of inner loop.
And the auxiliary wheel of a group of auxiliary units below is connected with external welding machine equipment, after the auxiliary wheel is electrified, because the auxiliary wheel is contacted with the metal belt, the power supply is short-circuited, the current flowing through the contact part is very large, the contact part generates very large heat, finally, the metal belt is welded on the outer wall of the inner ring, then the inner ring drives the metal belt to start winding, the metal belt is inserted into a winding interlayer of the metal belt in the winding process, so that the metal belt and the material belt are synchronously wound, in the process, because the winding thickness of the metal belt and the material belt is gradually increased, the auxiliary cylinder drives the auxiliary plate and the auxiliary wheel to be gradually far away from the inner ring and keep the joint state with the metal belt and the material belt, the material belt is wrapped by the metal belt after being cut off at the winding tail part, and after the winding of the metal belt and the material belt is finished, the outer ring is sleeved outside the metal belt and the material belt by workers, and finally, the metal winding gasket is formed.
The invention is further provided with: the cutting unit is including installing in the fixed plate front surface and being located the mount and keep away from the cutting frame of strap delivery unit one side, cut off the subassembly and compress tightly the cylinder with the bottom is installed respectively, cut off the subassembly and compress tightly the cylinder and all set up towards clamping assembly, the piston rod that compresses tightly the cylinder is connected with the pressure frame, the top of pressure frame and keep away from the position rotation that compresses tightly the cylinder and be connected with the pinch roller, the ring channel has been seted up at the lateral wall middle part of pinch roller, the interval looks adaptation at the interior interval and the inner ring both ends of ring channel.
The invention is further provided with: the cutting assembly comprises a cutting cylinder arranged at the top of the cutting frame and a cutting support connected to the position of a piston rod of the cutting cylinder, a cutting knife is arranged at the side wall of the cutting support away from the cutting cylinder, and a wedge-shaped part is arranged at the top of the cutting knife.
The invention is further provided with: the fixed block is installed at the top of cutting off the support, one side that the fixed block is close to the cutting off the sword is provided with the mounting groove, the inside rotation of mounting groove is connected with the locating wheel, one side that the mounting groove is close to the fixed block is connected with two gag levers, two the gag lever levers all wear to locate the inside of fixed block, two the equal cover of lateral wall of gag lever levers is equipped with the spring, the both ends of spring are connected with mounting groove and fixed block respectively.
Through adopting above-mentioned technical scheme, when the metal strap perk position needs to cut, the drive that the cutting off knife was through cutting off cylinder and cutting off the support removes to the direction of metal strap, causes the cutting off knife to extrude the metal strap, because wedge is offered at the top of cutting off knife, consequently, when the cutting off knife extrudeed the metal strap and cut off, form a inclined plane that has inclination on the metal strap section through wedge cooperation, after this inclined plane forms, reducible metal strap section's difference in height, avoid the outer loop to appear great gap in metal strap section position influenced by metal strap thickness.
And the positioning wheel compresses tightly the metal strap in advance before the cutter blade contacts with the metal strap, and the welding of metal strap outer lane utilizes positioning wheel and external welding machine equipment cooperation to accomplish, and the cutter blade is in the position that the metal strap solder joint is close to the department of cutting off, consequently the cutter blade cuts off the position and can not lead to the fact the influence to welding joint, and after the metal strap perk position was cut off, interval between department of cutting off and the solder joint reduces, and then reduces the metal strap offset, makes things convenient for the metal winding pad to carry out subsequent outer loop and cup joints, avoids influencing the efficiency that the outer loop cup joints because of the perk limit of metal strap.
In summary, the present application includes at least one of the following beneficial technical effects:
(1) Through setting up first arc and second arc, first arc removes to the position corresponding with the inner ring outer wall, two first arcs splice each other and form the lantern ring and cup joint the winding part at strap and material area afterwards, strap and material area are prevented loosely by the extrusion, two second arcs are also accomplished the concatenation and are formed the auxiliary ring this moment, move and carry the manipulator and cup joint the outside at the auxiliary ring directly, and utilize the slope portion that sets up between first arc and the second arc to be pushed gradually the outside of lantern ring, after the outer loop cover is established, the centre gripping cylinder drives first arc and second arc and takes out from the inside of outer loop, cause the inner wall of outer loop to laminate with the winding part of strap and material area, finally reach the purpose of automatic assembly outer ring.
(2) Through setting up the dog, strap and material area are in the outside winding back of inner ring, and winding portion and dog laminating, when first arc and second arc were taken out, the dog was blockked with the toppling direction of strap and material area winding portion, avoided taking place the skew condition with strap and material area winding portion.
(3) Through setting up cutting off the subassembly, when the metal strap perk position needs to cut, the drive that cuts off the cylinder and cut off the support removes to the direction of metal strap, causes the cutting off the sword to extrude the metal strap, because wedge is offered at the top of cutting off the sword, consequently, when the cutting off the sword extrudees and cuts off the metal strap, form a inclined plane that has inclination through wedge cooperation on the metal strap section, after this inclined plane forms, reducible metal strap section's difference in height, avoid the outer loop to appear great gap in metal strap section position influenced by metal strap thickness.
(4) Through setting up the locating wheel, the locating wheel compresses tightly the strap in advance before cutting off sword and strap contact, and the welding of strap outer lane utilizes locating wheel and external welding machine equipment cooperation to accomplish, and the cutting off sword is in the strap solder joint and is close to the position of cutting off the department, consequently the cutting off position of cutting off the sword can not lead to the fact the influence to welding point, and after the strap perk position was cut off, the interval between cutting off department and the solder joint reduces, and then reduces strap offset, makes things convenient for the metal winding pad to carry out follow-up outer loop and cup joints.
Drawings
Fig. 1 is a schematic view showing the overall structure of an automated machine tool for producing a metal winding mat according to the present invention.
Fig. 2 is a schematic view of a front view of a partial structure of the present invention.
FIG. 3 is a schematic diagram of a positioning unit according to the present invention.
Fig. 4 is a schematic view of a part of a clamping assembly according to the present invention.
Fig. 5 is a schematic structural view of a clamping assembly according to the present invention.
Fig. 6 is a schematic view of a partial structure of a displacement mechanism according to the present invention.
FIG. 7 is a schematic view of the pneumatic chuck and stop connection of the present invention.
Fig. 8 is a schematic view of the metal belt conveying unit according to the present invention.
Fig. 9 is a schematic view of a truncated assembly according to the present invention.
Fig. 10 is a schematic view of the structure of the belt conveying unit according to the present invention.
Fig. 11 is a schematic diagram of the auxiliary unit structure of the present invention.
Fig. 12 is a schematic view of a cutting unit structure according to the present invention.
Fig. 13 is a schematic view of a cutting assembly according to the present invention.
Fig. 14 is a schematic view showing a structure of a cutting bracket and a cutting blade according to the present invention.
Fig. 15 is a schematic view of a cutting process of the cutting assembly according to the present invention.
Fig. 16 is a schematic view showing a cut-off state of the cutting assembly according to the present invention.
Reference numerals illustrate: 1. a transfer manipulator;
2. a positioning unit; 21. a work table; 22. a fixing plate;
23. A clamping assembly; 231. a fixing frame; 232. a displacement mechanism; 2321. an electric guide rail; 2322. a positioning frame; 2323. a clamping cylinder; 2324. a first arcuate plate; 2325. a second arcuate plate; 233. a pneumatic chuck; 234. a support frame; 235. a connecting frame; 236. a servo motor; 237. a connecting rod; 238. a stop block;
3. A metal belt conveying unit; 31. a fixed table; 32. a truncation assembly; 321. a frame; 322. a slide block; 323. a cutting knife; 324. cutting off the cylinder; 33. a fixing seat; 34. a pressing plate; 35. a mounting base; 36. a driving cylinder; 37. a vertical plate; 38. a first motorized roller;
4. A material belt conveying unit; 41. a mounting plate; 42. a drive plate; 43. driven wheel; 44. a telescopic cylinder; 45. a cutter; 46. a second motorized roller;
5. an auxiliary unit; 51. an auxiliary frame; 52. an auxiliary cylinder; 53. an auxiliary plate; 54. an auxiliary wheel;
6. A cutting unit; 61. a cutting frame; 62. cutting off the assembly; 621. cutting off the cylinder; 622. cutting off the bracket; 623. a cutting knife; 624. a fixed block; 625. a limit rod; 626. a spring; 627. a mounting groove; 628. a positioning wheel; 629. a wedge portion;
63. a compacting cylinder; 64. a compacting frame; 65. a pinch roller; 66. an annular groove;
7. an inner ring.
Detailed Description
It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be combined with each other. The application will be described in detail below with reference to the drawings in connection with embodiments.
It is noted that all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs unless otherwise indicated.
Referring to fig. 1-16, the present invention provides the following technical solutions:
1-3, an automated machine tool for producing a metal winding pad, comprising a transfer manipulator 1 and a positioning unit 2, wherein the transfer manipulator 1 is arranged in front of the positioning unit 2, an inner ring 7 is arranged at the front end of the positioning unit 2, the transfer manipulator 1 is used for transferring and placing the inner ring 7 used for producing the metal winding pad and an outer ring sleeved outside in the later stage, the positioning unit 2 is used for positioning and rotating the inner ring 7, so that a metal belt and a material belt can be wound outside the inner ring 7 to form a metal winding interlayer, and the positioning unit 2 has the following specific structure:
Referring to fig. 2 to 4, the positioning unit 2 includes a table 21 and a fixing plate 22 mounted on the top of the table 21, the table 21 and the fixing plate 22 cooperate to form a work frame, the transfer robot 1 is located in front of the table 21, a clamping assembly 23 is mounted on the rear surface of the fixing plate 22, the front end of the clamping assembly 23 penetrates through the side wall of the fixing plate 22 and is in clamping connection with the inner ring 7, when the transfer robot 1 transfers the inner ring 7 to the position of the clamping assembly 23, the clamping assembly 23 penetrates through the inner ring 7 and completes clamping positioning, and when the outer wall of the inner ring 7 winds a metal belt and a material belt, the clamping assembly 23 is used for driving the inner ring 7 to rotate, thereby realizing winding of the metal belt and the material belt.
Referring to fig. 3-5, the clamping assembly 23 includes two supporting frames 234 installed on the rear surface of the fixed plate 22, a connecting frame 235 is connected between the two supporting frames 234, the supporting frames 234 and the connecting frame 235 are matched on the rear side of the fixed plate 22 to form a support, a servo motor 236 is installed in the middle of one side of the connecting frame 235, which is close to the fixed plate 22, a connecting rod 237 is connected to the output end of the servo motor 236, a fixing frame 231 is installed on the front surface of the fixed plate 22, the front end of the connecting rod 237 is arranged inside the fixing frame 231 in a penetrating manner and is provided with a pneumatic chuck 233, an inner ring 7 is sleeved on the outer wall of the pneumatic chuck 233, the pneumatic chuck 233 clamps the inner ring 7 on the outer wall of the pneumatic chuck 233 by utilizing radial movement of three movable claws uniformly distributed on a disc body, the servo motor 236 is used for driving the connecting rod 237 and the pneumatic chuck 233 to synchronously rotate, the fixing frame 231 plays a supporting role on the connecting rod 237, and the condition that the connecting rod 237 is offset in the vertical direction is avoided, when the pneumatic chuck 233 rotates, the inner ring 7 clamped outside the pneumatic chuck 233 is synchronously rotates, so that the inner ring 7 can wind a metal belt and a material belt.
Referring to fig. 1-2, the front surface of the positioning unit 2 is provided with a material belt conveying unit 4 and an auxiliary unit 5, the auxiliary units 5 are arranged in two groups, and are respectively arranged above and below the inner ring 7, the lower group of auxiliary units 5 is connected with an external welding machine, the top of the positioning unit 2 and one side of the inner ring 7 are provided with a metal belt conveying unit 3, the material belt conveying unit 4 is positioned at one side of the upper group of auxiliary units 5, the metal belt conveying unit 3 and the material belt conveying unit 4 are respectively used for conveying a metal belt and a material belt, when the inner ring 7 is in winding work, the two groups of auxiliary units 5 are respectively arranged above and below the inner ring 7, the metal belt conveying unit 3 firstly conveys the metal belt to the position between the lower group of auxiliary units 5 and the outer wall of the inner ring 7, the lower group of auxiliary units 5 firstly welds the end part of the metal belt on the outer wall of the inner ring 7 through the external welding machine, then the metal belt is wound at least one circle through rotation of the inner ring 7, the material belt conveying unit 4 conveys the material belt to the position between the inner ring 7 and the material belt, the material belt is clamped between the material belt and the material belt is cut off, the material belt is formed, the material belt is cut off and the material belt is wound by the cut-off unit, and the material belt is finally, the material belt is wound by the material belt is formed, and the material belt is wound by the cut-off layer, and the material belt is formed.
Referring to fig. 1 and 8, in this embodiment, the metal belt conveying unit 3 includes a fixed table 31 mounted on the top of the working table 21 and a fixed seat 33 mounted on the top of the fixed table 31, a pressing plate 34 is connected to the top of the fixed seat 33 by bolts, a metal belt is threaded between the fixed seat 33 and the pressing plate 34, a mounting seat 35 is mounted on one side of the fixed table 31 close to the clamping assembly 23, a driving cylinder 36 is vertically mounted on the side wall of the mounting seat 35, a vertical plate 37 is connected to a piston rod of the driving cylinder 36, two first electric rollers 38 are rotatably connected to the top of the vertical plate 37, one end of the metal belt, far from the fixed seat 33 and the cutting assembly 32, is threaded between the two first electric rollers 38, the metal belt sequentially passes through a gap between the fixed seat 33 and the pressing plate 34 and between the two first electric rollers 38 when conveyed, and finally the metal belt is conveyed to a position between the lower auxiliary unit 5 and the outer wall of the inner ring 7.
Referring to fig. 8 and 9, a cutting assembly 32 is installed at the top of the fixing table 31 and at a side close to the clamping assembly 23, one end of the metal strip passes through the inside of the cutting assembly 32 between the two first electric rollers 38, and when the winding length of the metal strip outside the inner ring 7 reaches a preset length, the cutting assembly 32 cuts the metal strip immediately, as follows:
Referring to fig. 8 and 9, the cutoff assembly 32 includes a frame 321 installed at the top of the fixed table 31 and a slider 322 slidably connected to the inside of the frame 321, a cutoff knife 323 is installed at the bottom of the slider 322, a cutoff cylinder 324 is installed at the top of the frame 321, a piston rod of the cutoff cylinder 324 is connected to the top of the slider 322, a metal strip passes through between the slider 322 and the inner bottom wall of the frame 321, when the winding length of the metal strip reaches a preset length, the piston rod of the cutoff cylinder 324 extends and pushes the slider 322 to move downward in the inside of the frame 321, the slider 322 drives the cutoff knife 323 to move downward to squeeze the metal strip, the metal strip is cut off by the extrusion of the cutoff knife 323, finally the metal strip with a preset length is pulled out from between the cutoff assembly 32 and the two sets of first electric rollers 38 by the continued rotation of the inner ring 7, and the unused metal strip is continuously conveyed to a position between the two first electric rollers 38 for standby.
Referring to fig. 2 and 10, in this embodiment, the material belt conveying unit 4 includes a mounting plate 41 mounted on the front surface of the fixing plate 22 and located above the metal belt conveying unit 3, a driving plate 42 for fixing a material belt disc is rotatably connected to the front surface of the mounting plate 41, the driving plate 42 is formed by a driving motor and a rotating plate, a material belt wound with the material belt is sleeved on the rotating plate, the driving motor drives the rotating plate and the material belt to rotate, so as to achieve the purpose of releasing the material belt by the material belt, a plurality of driven wheels 43 and two groups of second electric rollers 46 are mounted on the front surface of the mounting plate 41, one end of the material belt on the material belt disc sequentially passes through the outer side walls of the plurality of driven wheels 43 and penetrates between the two groups of second electric rollers 46, a telescopic cylinder 44 is mounted on the front surface of the mounting plate 41, a cutter 45 is mounted at the piston rod position of the telescopic cylinder 44, the cutter 45 faces the outer wall of one group of the second electric rollers 46, the material belt released by the material belt is guided by the plurality of driven wheels 43, and finally the material belt passes through the inner ring 7 between the two groups of second electric rollers 46, when the preset length of the material belt on the inner ring 7 is wound on the outer side of the inner ring 7 reaches the second electric rollers 46, and the second electric rollers 46 reaches the preset length corresponding to the second electric rollers 46, and the cutter is continuously moved to the second electric rollers.
Referring to fig. 11, in the present embodiment, two sets of auxiliary units 5 each include an auxiliary frame 51 mounted on the front surface of a fixed plate 22, the two auxiliary frames 51 are respectively disposed above and below a fixed frame 231, the front surfaces of the two auxiliary frames 51 are each mounted with an auxiliary cylinder 52, piston rods of the two auxiliary cylinders 52 are disposed opposite to each other, an auxiliary plate 53 is connected to the piston rod position of the auxiliary cylinder 52, an auxiliary wheel 54 is rotatably connected to the inside of the auxiliary plate 53, when an inner ring 7 is clamped by a pneumatic chuck 233, the auxiliary cylinders 52 of the two sets of auxiliary units 5 are simultaneously activated, the auxiliary cylinders 52 push the corresponding auxiliary plates 53 and auxiliary wheels 54 to approach the position of the inner ring 7, and at the same time, a metal belt is wound around the outer wall of the inner ring 7, firstly, the end of the metal belt is fed between the lower auxiliary wheel 54 and the inner ring 7, the metal belt is pressed against the outer wall of the inner ring 7 by the auxiliary wheel 54 and the inner ring 7, and the auxiliary wheel 54 of the lower group of auxiliary units 5 is connected with an external welding machine, namely the external welding machine supplies current to the auxiliary wheel 54, when the auxiliary wheel 54 is electrified, the auxiliary wheel 54 is in contact with the metal belt, the power supply is short-circuited, the current flowing through the contact is large, the contact generates large heat, the metal belt is finally welded on the outer wall of the inner ring 7, then the inner ring 7 drives the metal belt to start winding, the material belt is inserted into the winding interlayer of the metal belt in the winding process of the metal belt, so that the metal belt and the material belt are synchronously wound, in the process, the auxiliary cylinder 52 drives the auxiliary plate 53 and the auxiliary wheel 54 to be gradually far away from the inner ring 7 and keep the joint state with the metal belt and the material belt due to the gradual increase of the winding thickness of the metal belt and the material belt, at the tail of winding, the material belt is cut off and then wrapped by the metal belt, after the winding of the metal belt and the material belt is completed, the staff sleeve the outer ring outside the metal belt and the material belt, and finally the metal winding gasket is formed.
In the second embodiment, referring to fig. 5-7, after the outer wall of the inner ring 7 is wound with the metal strip and the material strip, the worker needs to manually sleeve the outer ring, and compress the alternately wound portion of the metal strip and the material strip by using the outer ring, but the outer ring is manually sleeved, so that the operation is complicated, and the purpose of automatic production of the metal winding pad production machine tool is not achieved, therefore, the outer side wall of the fixing frame 231 is provided with the displacement mechanism 232, the alternately wound portion of the metal strip and the material strip is extruded firstly by using the displacement mechanism 232, and the outer ring is sleeved on the displacement mechanism 232 by using the transfer manipulator 1, and the purpose of assembling the outer ring can be achieved after the displacement mechanism 232 is extracted, and the specific structure of the displacement mechanism 232 is as follows:
referring to fig. 5-7, in the present embodiment, the displacement mechanism 232 includes an electric rail 2321 mounted on the top of the fixing frame 231 and two positioning frames 2322 slidably connected to the top of the electric rail 2321, the two positioning frames 2322 are vertically disposed, the electric rail 2321 may be a linear rail slide module of a stepper motor, that is, the stepper motor is used to drive the screw on the linear rail to rotate, and the slide is in threaded connection with the screw, when the screw rotates, the slide may slide along the extending direction of the screw, and the difference of the electric rail 2321 is that the screw is a bidirectional screw, the slide is two groups, and the two groups of slides are respectively in threaded connection with two threaded positions of the bidirectional screw, when the bidirectional screw rotates, the two groups of slides can move close to each other or away from each other, the two positioning frames 2322 are respectively connected with the two slides, the two positioning frames 2322 follow the corresponding slides to synchronously displace, the two positioning frames 2322 are provided with clamping cylinders 2323 on one sides close to the fixed plates 22, piston rods of the clamping cylinders 2323 penetrate through the side walls of the corresponding positioning frames 2322 and are connected with first arc plates 2324, one ends of the first arc plates 2324, which are far away from the corresponding clamping cylinders 2323, are connected with second arc plates 2325, the inner diameters of the first arc plates 2324 and the inner diameters of the second arc plates 2325 are the same, the outer diameters of the first arc plates 2324 are larger than the outer diameters of the second arc plates 2325, inclined parts are arranged at the outer wall connecting positions of the first arc plates 2324 and the second arc plates 2325, after the winding of a metal belt and a material belt on the outer wall of an inner ring 7 is completed, the two groups of auxiliary units 5 are separated from the winding parts of the metal belt and the material belt, the piston rods of the clamping cylinders 2323 extend and push the corresponding first arc plates 2324 to displace, the first arc plates 2324 are moved to positions corresponding to the outer walls of the inner ring 7, then the two sliding seats are mutually close, so that the two positioning frames 2322 drive the corresponding clamping cylinders 2323, the first arc-shaped plates 2324 and the second arc-shaped plates 2325 to approach to the direction of the inner ring 7, the two first arc-shaped plates 2324 are mutually spliced to form a lantern ring and are sleeved on winding parts of the metal belt and the material belt, the metal belt and the material belt are extruded to prevent loosening, at the moment, the two second arc-shaped plates 2325 are spliced to form an auxiliary ring, the outer diameter of the auxiliary ring is smaller than the inner diameter of the outer ring, the outer diameter of the lantern ring is identical to the inner diameter of the outer ring, the transfer manipulator 1 is used for directly sleeving the outer ring on the outer ring, the inclined parts arranged between the first arc-shaped plates 2324 and the second arc-shaped plates 2325 are gradually pushed to the outer ring, after the outer ring is sleeved, the piston rod of the clamping cylinders 2323 is contracted to drive the first arc-shaped plates 2324 and the second arc-shaped plates 2325 to be pulled out from the inner part of the outer ring, so that the inner wall of the outer ring is attached to the winding parts of the metal belt and the material belt, and finally the outer ring is assembled.
Referring to fig. 7, a plurality of stoppers 238 are equidistantly connected to an outer sidewall of the pneumatic chuck 233, an inner ring 7 is sleeved on the outer sidewall of the pneumatic chuck 233 and is attached to the sidewall of the stoppers 238, and winding portions of the metal belt and the material belt are attached to the stoppers 238 as well, so that when the first arc 2324 and the second arc 2325 are pulled out, the stoppers 238 block a dumping direction of the winding portions of the metal belt and the material belt, thereby avoiding a deviation between the winding portions of the metal belt and the material belt.
In a third embodiment, referring to fig. 1 and 12, in order to avoid loosening of the metal strip and the material strip due to the influence of self elasticity, a length is reserved at the cut-off position of the lower auxiliary wheel 54 and the metal strip, welding is completed before the cut-off position of the metal strip passes through the lower auxiliary wheel 54, the processing mode can lead to the situation that the metal strip between the welding spot and the cut-off position is tilted, a worker needs to manually flatten the metal strip at the tilted position to perform the sleeving of the outer ring, and when the outer ring is sleeved, the tilted position of the metal strip is offset due to the extrusion of the outer ring, the worker needs to repeatedly adjust to complete the assembly work, in order to relieve the influence of the tilting of the metal strip on the subsequent sleeving of the outer ring, a cutting unit 6 is mounted on the front surface of the positioning unit 2, the cutting unit 6 is arranged on one side of the inner ring 7 away from the metal strip conveying unit 3, the material strip conveying unit 4 is positioned on one side of the upper auxiliary unit 5 close to the metal strip conveying unit 3, the cutting unit 6 is used for cutting the length reserved at the end of the metal strip, and the specific structure of the cutting unit 6 is as follows:
Referring to fig. 12-15, in this embodiment, the cutting unit 6 includes a cutting frame 61 mounted on the front surface of the fixing plate 22 and located on one side of the fixing frame 231 far away from the metal belt conveying unit 3, a pressing cylinder 63 is mounted at the bottom of the cutting frame 61, the pressing cylinders 63 are all disposed towards the clamping assembly 23, a piston rod of each pressing cylinder 63 is connected with a pressing frame 64, the top of each pressing frame 64 is further away from the pressing cylinder 63, a pressing wheel 65 is rotatably connected to the position of each pressing cylinder, an annular groove 66 is formed in the middle of the outer side wall of each pressing wheel 65, the inner space of each annular groove 66 is matched with the space length of two ends of the inner ring 7, each pressing cylinder 63 is used for driving each pressing frame 64 and each pressing wheel 65 to move towards the inner ring 7, each inner ring 7 is pressed against the outer wall of the corresponding pressing frame 64 and each pressing wheel 65 in the process of rotating and winding the metal belt, each inner ring 7 is always located in the annular groove 66, and the pressing wheels 65 are utilized to guide and offset the metal belt and the material belt wound outside the inner ring 7, and the diameter of the metal belt and the material belt wound on the outer wall of each pressing cylinder 7 is gradually increased, and the pressing wheels 63 are driven to gradually move towards the pressing frames and the pressing wheels 65 and the inner ring 7 and the material belt and keep the material and the material belt in a state of keeping fit.
Referring to fig. 12 and 13, a cutting assembly 62 is mounted on the top of the cutting frame 61, the cutting assembly 62 is disposed towards the clamping assembly 23, the cutting assembly 62 is used for cutting the metal strip at a tilting position, the influence of the tilting edge of the metal strip on the outer ring is relieved, and the specific structure of the cutting assembly 62 is as follows:
Referring to fig. 13-16, in the present embodiment, the cutting assembly 62 includes a cutting cylinder 621 mounted on the top of the cutting frame 61 and a cutting bracket 622 connected to the piston rod of the cutting cylinder 621, a cutting blade 623 is mounted on the side wall of the cutting bracket 622 away from the cutting cylinder 621, the cutting cylinder 621 is used for driving the cutting bracket 622 and the cutting blade 623 to move, when the metal strip tilting position needs cutting, the cutting blade 623 moves in the direction of the metal strip by driving the cutting cylinder 621 and the cutting bracket 622, so that the cutting blade 623 presses the metal strip, and in addition, since the top of the cutting blade 623 is provided with a wedge-shaped portion 629, when the cutting blade 623 presses and cuts the metal strip, a slope with an inclined angle is formed on the metal strip section by the wedge-shaped portion 629, after the slope is formed, the height difference of the metal strip section can be reduced, and a large gap is avoided from occurring in the metal strip section position due to the thickness of the metal strip.
Referring to fig. 13-16, in this embodiment, a fixed block 624 is mounted on the top of a cutting support 622, a mounting groove 627 is formed on one side of the fixed block 624 close to a cutting blade 623, a positioning wheel 628 is rotatably connected in the mounting groove 627, two limit levers 625 are connected on one side of the mounting groove 627 close to the fixed block 624, the two limit levers 625 are all arranged in the fixed block 624 in a penetrating manner, springs 626 are sleeved on the outer side walls of the two limit levers 625, and two ends of the springs 626 are respectively connected with the mounting groove 627 and the fixed block 624.
Specifically, when the cutoff blade 623 moves in the direction of the inner ring 7, the positioning wheel 628 is first contacted with the metal belt under the supporting action of the limit rod 625 and the spring 626, and as the cutoff blade 623 is continuously moved closer, the metal belt is compressed by the positioning wheel 628, and the metal belt is positioned by the inner ring 7 and the pneumatic chuck 233, and the metal belt cannot be displaced by force, so that the metal belt, the inner ring 7 and the pneumatic chuck 233 cooperate to apply a reverse force to the positioning wheel 628, and the positioning wheel 628 is attached to the metal belt, thereby compacting the wound metal belt.
And the positioning wheel 628 is the same as the auxiliary wheel 54, namely is also connected with an external welding machine, namely the external welding machine supplies current to the positioning wheel 628, when the positioning wheel 628 is electrified, the positioning wheel 628 is in short circuit with the metal belt, so that the current flowing through the contact part is large, the contact part generates large heat, finally, the metal belt of the outer ring is welded on the metal belt of the adjacent inner ring, the cutting blade 623 is positioned at the position of the welding spot of the metal belt close to the cutting part, the cutting position of the cutting blade 623 cannot influence the welding spot, after the tilting position of the metal belt is cut off, the distance between the cutting part and the welding spot is reduced, and the offset of the metal belt is further reduced.
When the outer ring is sleeved, the two groups of auxiliary units 5 and the cutting unit 6 are far away from the inner ring 7, automatic sleeving of the outer ring is realized through the clamping assembly 23, and after the outer ring is sleeved, the transfer manipulator 1 takes down the metal winding pad and replaces the new inner ring 7.
It will be apparent that the embodiments described above are merely some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, shall fall within the scope of the present invention.
Claims (10)
1. An automated machine for producing metal winding mats, characterized in that: the automatic feeding device comprises a transfer manipulator (1) and a positioning unit (2), wherein the transfer manipulator (1) is arranged in front of the positioning unit (2), an inner ring (7) is arranged at the front end of the positioning unit (2), a material belt conveying unit (4), an auxiliary unit (5) and a cutting unit (6) are arranged on the front surface of the positioning unit (2), the two groups of the auxiliary units (5) are respectively arranged above and below the inner ring (7), the cutting unit (6) is arranged on one side of the inner ring (7), a metal belt conveying unit (3) is arranged at the top of the positioning unit (2) and on one side, far away from the cutting unit (6), of the inner ring (7), and the material belt conveying unit (4) is arranged on one side, close to the metal belt conveying unit (3), of the upper group of auxiliary units (5).
The positioning unit (2) comprises a workbench (21) and a fixed plate (22) arranged at the top of the workbench (21), the transfer manipulator (1) is positioned in front of the workbench (21), a clamping assembly (23) is arranged on the rear surface of the fixed plate (22), and the front end of the clamping assembly (23) penetrates through the side wall of the fixed plate (22) and is in clamping connection with the inner ring (7);
Clamping component (23) are including installing in two support frames (234) of fixed plate (22) rear surface, two be connected with link (235) between support frame (234), one side mid-mounting that link (235) is close to fixed plate (22) has servo motor (236), the output of servo motor (236) is connected with connecting rod (237), front surface mounting of fixed plate (22) has mount (231), the front end of connecting rod (237) wears to locate the inside of mount (231) and installs pneumatic chuck (233), the lateral wall equidistance of pneumatic chuck (233) is connected with a plurality of dog (238), the lateral wall that pneumatic chuck (233) was located to inner ring (7) cover and is laminated with the lateral wall of dog (238), displacement mechanism (232) are installed to the lateral wall of mount (231).
2. An automated machine for producing metal wrap pads according to claim 1, wherein: the displacement mechanism (232) comprises an electric guide rail (2321) arranged at the top of a fixed frame (231) and two positioning frames (2322) which are connected to the top of the electric guide rail (2321) in a sliding mode, wherein the two positioning frames (2322) are vertically arranged, clamping cylinders (2323) are arranged on one sides, close to the fixed plates (22), of the positioning frames (2322), piston rods of the clamping cylinders (2323) penetrate through the side walls of the corresponding positioning frames (2322) and are connected with first arc-shaped plates (2324), one ends, away from the corresponding clamping cylinders (2323), of the first arc-shaped plates (2324) are connected with second arc-shaped plates (2325), the inner diameters of the first arc-shaped plates (2324) are identical to the inner diameters of the second arc-shaped plates (2325), and the outer diameters of the first arc-shaped plates (2324) are larger than the outer diameters of the second arc-shaped plates (2325), and inclined portions are arranged at the outer wall connection positions of the first arc-shaped plates (2324) and the second arc-shaped plates (2325).
3. An automated machine for producing metal wrap pads according to claim 1, wherein: the metal belt conveying unit (3) comprises a fixed table (31) arranged at the top of the workbench (21) and a fixed seat (33) arranged at the top of the fixed table (31), wherein a pressing plate (34) is connected to the top of the fixed seat (33) through bolts, a metal belt is arranged between the fixed seat (33) and the pressing plate (34) in a penetrating mode, a cutting-off assembly (32) is arranged at the top of the fixed table (31) and one side, close to the clamping assembly (23), of the metal belt, and one end of the metal belt penetrates through the cutting-off assembly (32).
4. An automated machine for producing metal wrap pads according to claim 3, wherein: the utility model provides a cut subassembly (32) including installing in frame (321) and sliding connection in frame (321) inside slider (322) at fixed station (31) top, cut sword (323) are installed to the bottom of slider (322), cut cylinder (324) are installed at the top of frame (321), the piston rod of cutting cylinder (324) is connected with the top of slider (322), the one end that fixing base (33) was kept away from to the strap wears to locate between the inside diapire of slider (322) and frame (321).
5. An automated machine for producing metal wrap pads in accordance with claim 4, wherein: the utility model discloses a fixing device for a metal belt, including fixed station (31), fixed subassembly (32), mounting bracket (35) are installed to one side that fixed station (31) is close to clamping subassembly (23), actuating cylinder (36) are installed to the vertical upwards of lateral wall of mounting bracket (35), the piston rod of actuating cylinder (36) is connected with riser (37), the top rotation of riser (37) is connected with two first motorized roll (38), the metal belt is kept away from fixing base (33) and is cut one end of subassembly (32) and wear to locate between two first motorized roll (38).
6. An automated machine for producing metal wrap pads according to claim 1, wherein: the material area conveying unit (4) is including installing in mounting panel (41) of fixed plate (22) front surface and being located strap conveying unit (3) top, the front surface rotation of mounting panel (41) is connected with driving disk (42) that are used for fixed material area dish, the front surface mounting of mounting panel (41) has a plurality of driving wheels (43) and two sets of second motorized roll (46), material area one end on the material area dish is through the lateral wall of a plurality of driving wheels (43) and wears to locate between two sets of second motorized roll (46) in proper order, flexible cylinder (44) are installed to the front surface mounting of mounting panel (41), cutter (45) are installed in the piston rod position of flexible cylinder (44), cutter (45) are towards the outer wall setting of one of a set of second motorized roll (46).
7. An automated machine for producing metal wrap pads according to claim 1, wherein: two sets of auxiliary unit (5) are all including installing in auxiliary frame (51) of fixed plate (22) front surface, two auxiliary frame (51) set up respectively in the top and the below of mount (231), two auxiliary cylinder (52) are all installed to the front surface of auxiliary frame (51), two auxiliary cylinder (52)'s piston rod sets up relatively, auxiliary cylinder (52)'s piston rod position is connected with auxiliary plate (53), auxiliary plate (53)'s inside rotation is connected with auxiliary wheel (54), auxiliary wheel (54) laminating mutually with the outer wall of inner ring (7).
8. An automated machine for producing metal wrap pads according to claim 1, wherein: cutting unit (6) are including installing in fixed plate (22) front surface and being located cutting frame (61) of strap conveying unit (3) one side is kept away from to mount (231), cutting assembly (62) and compress tightly cylinder (63) are installed respectively to the top and the bottom of cutting frame (61), cutting assembly (62) and compress tightly cylinder (63) all set up towards clamping assembly (23), the piston rod of compressing tightly cylinder (63) is connected with compressing tightly frame (64), the top of compressing tightly frame (64) and the position rotation that keeps away from compressing tightly cylinder (63) are connected with pinch roller (65), ring channel (66) have been seted up at the lateral wall middle part of pinch roller (65), the interval length looks adaptation at ring channel (66) and inner ring (7) both ends.
9. An automated machine for producing metal wrap pads according to claim 8, wherein: the cutting assembly (62) comprises a cutting cylinder (621) arranged at the top of the cutting frame (61) and a cutting support (622) connected to the piston rod of the cutting cylinder (621), a cutting knife (623) is arranged at the side wall position, far away from the cutting cylinder (621), of the cutting support (622), and a wedge-shaped part (629) is arranged at the top of the cutting knife (623).
10. An automated machine for producing metal wrap pads according to claim 9, wherein: fixed block (624) is installed at the top of cutting off support (622), one side that fixed block (624) is close to cutting off sword (623) is provided with mounting groove (627), the inside rotation of mounting groove (627) is connected with positioning wheel (628), one side that mounting groove (627) is close to fixed block (624) is connected with two gag lever posts (625), two gag lever posts (625) are all worn to locate the inside of fixed block (624), two the lateral wall of gag lever post (625) all overlaps and is equipped with spring (626), the both ends of spring (626) are connected with mounting groove (627) and fixed block (624) respectively.
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| CN202410487820.1A CN118081394B (en) | 2024-04-23 | 2024-04-23 | Automatic machine tool for producing metal winding pad |
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| CN202410487820.1A CN118081394B (en) | 2024-04-23 | 2024-04-23 | Automatic machine tool for producing metal winding pad |
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| CN118081394B CN118081394B (en) | 2024-06-21 |
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