A device for automatically sleeving an insulating tube on a thermal bimetallic strip and around a resistance wire

Abstract

The application relates to the technical field of hot bimetal material processing, and discloses a device for automatically sleeving an insulating pipe on a hot bimetal sheet and winding a resistance wire, wherein the device comprises a base; an insulating pipe loading and cutting mechanism is arranged on the base and used for loading and cutting the insulating pipe; a first electric push rod is installed on the base; the insulating pipe loading and cutting mechanism, the hot bimetal loading and cutting mechanism and the resistance wire loading and welding mechanism are arranged, three kinds of materials are automatically loaded, then the resistance wire is wound on the outer wall of the insulating pipe through a resistance wire winding mechanism, material assembly is completed, during the period, an operator only needs to set corresponding processing parameters, after the three kinds of materials are connected to specified positions, continuous production operation can be realized, production efficiency is greatly improved, and processing cost is greatly reduced.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of thermal bimetal material processing, and in particular to a device for automatically sleeving an insulating tube and winding a resistance wire on a thermal bimetal sheet. BACKGROUND

[0002] In the processing of a thermal bimetal assembly, a cut thermal bimetal element needs to be sleeved into an insulating tube, one end of a resistance wire is welded and fixed to one end of the thermal bimetal element, and then the resistance wire is wound on the insulating tube covering the thermal bimetal element to form a thermal bimetal wire-wound assembly.

[0003] Currently, in the process of processing such products, due to the large number of processes and the complex process, manual processing is generally adopted, which makes it difficult to control the quality of the final product.

[0004] Therefore, the present application provides a device for automatically sleeving an insulating tube and winding a resistance wire on a thermal bimetal sheet and a use method thereof. SUMMARY

[0005] In order to make up for the deficiencies of the prior art and solve at least one technical problem raised in the background art.

[0006] The present application provides a device for automatically sleeving an insulating tube and winding a resistance wire on a thermal bimetal sheet, comprising a base;

[0007] An insulating tube loading and cutting mechanism is arranged on the base for loading and cutting the insulating tube;

[0008] A first electric push rod is mounted on the base, and an activity plate is mounted at the end of the first electric push rod, in which the cut insulating tube is placed;

[0009] A thermal bimetal loading and cutting mechanism is arranged on the base for loading and cutting the thermal bimetal element, and the cut thermal bimetal element enters the activity plate containing the insulating tube, so that the thermal bimetal element is sleeved with the insulating tube;

[0010] A pushing assembly is arranged on the base to push the internal elements of the activity plate to move into the next process;

[0011] An electric resistance wire loading and welding mechanism is arranged on the base for welding the resistance wire with the thermal bimetal element;

[0012] A resistance wire winding mechanism is arranged on the base for winding the welded resistance wire to the outside of the insulating tube;

[0013] A resistance value measuring device is arranged on the base for measuring the resistance value of the assembled and formed assembly;

[0014] The base is provided with a conveying belt for conveying the tested components.

[0015] By adopting the above technical scheme, the insulating tube is cut and fed by the insulating tube cutting and feeding mechanism, and after the insulating tube enters the inside of the movable plate, the hot bimetallic element is cut and fed by the hot bimetallic cutting and feeding mechanism and then enters the inside of the cut insulating tube, so that the two are sleeved and formed, then the movable plate is driven to move on the base by the first electric push rod, so that the outer wall of the movable plate is attached to the side wall of the base, and then the elements sleeved and formed in the inside of the movable plate are pushed out by the pushing assembly, then the end of the resistance wire is welded with the hot bimetallic element by the resistance wire cutting and feeding mechanism, then the insulating tube is rotated by the resistance wire winding mechanism, so that the resistance wire is wound on the outer wall of the insulating tube, and after the winding is completed, the resistance wire is cut off by the internal components of the resistance wire cutting and feeding mechanism, then the resistance value of the formed component is measured by the resistance value measuring device, and after the measurement is completed, the component is conveyed away by the conveying belt.

[0016] Preferably, the insulating tube cutting and feeding mechanism comprises a first motor, a first conveying roller, a gear, a first cylinder and a first cutting knife.

[0017] The first motor is installed on the base, three groups of first conveying rollers are symmetrically distributed above and below and are rotatably connected to the base, gears are installed on the same side shaft of any group of the first conveying rollers, the other end of any group of the first conveying rollers away from the gear is connected to the output end of the first motor, a first cylinder is installed on the base, and a first cutting knife is installed at the end of the first cylinder.

[0018] By adopting the above technical scheme, the insulating tube cutting and feeding mechanism is provided to convey and cut the insulating tube, so that the cut insulating tube is in the inside of the movable plate.

[0019] Preferably, the hot bimetallic cutting and feeding mechanism comprises a second motor, a second conveying roller, a limiting plate, a second cylinder, a second cutting knife and a cutting groove.

[0020] The second motor is installed on the base, two second conveying rollers are symmetrically distributed above and below and are rotatably connected to the base, and are used to convey the hot bimetallic element, the side shaft of any second conveying roller is connected to the output end of the second motor, a limiting plate is installed on the base, the hot bimetallic element moves in the inside of the limiting plate, a second cylinder is installed on the base, a second cutting knife is installed at the end of the second cylinder, and a cutting groove is formed in the inside of the limiting plate to cooperate with the downward cutting of the second cutting knife.

[0021] By adopting the technical scheme, the hot bimetallic element is cut, and the cut hot bimetallic element is continuously moved into the insulating tube in the movable plate by the subsequent hot bimetallic element pushing, so that the two are sleeved.

[0022] Preferably, the limiting plate is provided with a current impact device on the surface, which is used for current impact on the hot bimetallic element in the limiting plate after cutting.

[0023] By adopting the technical scheme, the cut hot bimetallic element is detected by the current impact device, so that the performance of the hot bimetallic element under high-energy instantaneous current impact can be accurately detected.

[0024] Preferably, the pushing assembly comprises a second electric push rod and a cross plate.

[0025] The second electric push rod is installed on the outer wall of the base, and the cross plate is installed at the end of the second electric push rod, which is used for pushing the assembled element in the movable plate.

[0026] By adopting the technical scheme, the cross plate is driven to move by the second electric push rod, so that the side wall of the cross plate is attached to the side wall of the insulating tube and the hot bimetallic element, so that the sleeved insulating tube is stretched out from the inside of the movable plate.

[0027] Preferably, the resistance wire feeding and welding mechanism comprises a resistance wire winding rod, third conveying rollers, a third motor, a third cylinder, a third cutting knife and a welding device.

[0028] The resistance wire winding rod is installed on the base, and two groups of third conveying rollers are symmetrically distributed on the base, which are used for conveying resistance wires, the third motor is installed on the base, the side shaft of any third conveying roller is connected with the output shaft of the third motor, the third cylinder is installed on the base, the third cutting knife is installed at the end of the third cylinder, and the welding device is installed on the base, which is used for welding the end of the resistance wire with the hot bimetallic element.

[0029] Preferably, the resistance wire winding mechanism comprises a base plate, a vertical plate, a fourth motor and a three-jaw chuck.

[0030] The base plate is rotatably connected to the base, the vertical plate is slidably connected to the top end of the base plate, the fourth motor is installed on one side of the vertical plate, and the three-jaw chuck is rotatably connected to the other side of the vertical plate, and the central shaft of the three-jaw chuck is connected with the output shaft of the fourth motor.

[0031] By adopting the technical scheme, the end of the thermal bimetallic element inside the insulating tube is welded with the resistance wire through the resistance wire feeding and welding mechanism and the resistance wire winding mechanism, and then the third cutting knife is driven to move downward by the third cylinder to cut and separate the resistance wire after the winding operation is completed, and then the resistance value of the installed and formed assembly is measured by the resistance value measuring device.

[0032] Preferably, a fifth motor is installed on the base, and an output end of the fifth motor is installed on an inner wall of the base plate.

[0033] By adopting the technical scheme, the base plate is driven to rotate on the base by the fifth motor, so as to adjust the orientation of the base plate, loosen the installed and formed assembly by the three-jaw chuck, and make the assembly fall on the conveying belt to be conveyed away.

[0034] Preferably, two sliding grooves are formed in the base plate, and a lower end of the vertical plate is slidingly connected in the sliding grooves.

[0035] By adopting the technical scheme, the vertical plate can move in the sliding grooves, so as to limit the movement of the vertical plate.

[0036] Preferably, a sixth motor is installed on an outer wall of the base plate, a reciprocating screw rod is sleeved with an output end of the sixth motor, the reciprocating screw rod is rotationally connected in any one of the sliding grooves, and a lower end of the vertical plate is threadedly connected on an outer wall of the reciprocating screw rod.

[0037] By adopting the technical scheme, the reciprocating screw rod is driven to rotate by the sixth motor, so as to make the vertical plate move on the reciprocating screw rod, and thus the vertical plate can move in the sliding grooves when moving, so as to drive the assembly on the three-jaw chuck to move.

[0038] The device for automatically sleeving an insulating tube on a thermal bimetallic sheet and winding a resistance wire has the advantages that: three materials are automatically fed after the insulating tube feeding and cutting mechanism, the thermal bimetallic feeding and cutting mechanism, and the resistance wire feeding and welding mechanism are provided, the resistance wire is wound on the outer wall of the insulating tube by cooperating with the resistance wire winding mechanism, the material assembly is completed, the operator only needs to set the corresponding processing parameters, the continuous production operation is realized after the three materials are connected to the specified position, the production efficiency is greatly improved, and the processing cost is greatly reduced. BRIEF DESCRIPTION OF DRAWINGS

[0039] Figure 1 is a perspective view of an embodiment of the present application;

[0040] Figure 2 is a perspective view of an embodiment of the present application; Figure 1

[0041] Figure 3 is a perspective view of an embodiment of the present application;​Figure 1 A three-dimensional image;

[0042] Figure 4 This is a perspective view of the insulating tube feeding and cutting mechanism of the present invention;

[0043] Figure 5 This is a perspective view of the first electric actuator and the movable plate of the present invention;

[0044] Figure 6 This is a perspective view of the hot bimetallic feeding and cutting mechanism of the present invention;

[0045] Figure 7 This is a perspective view of the feeding assembly of the present invention;

[0046] Figure 8 This is a perspective view of the resistance wire feeding and welding mechanism of the present invention;

[0047] Figure 9 This is a partial three-dimensional cross-sectional schematic diagram of the resistance wire winding mechanism of the present invention.

[0048] Explanation of reference numerals in the attached figures:

[0049] 1. Base;

[0050] 2. Insulating tube feeding and cutting mechanism; 21. First motor; 22. First conveyor roller; 23. Gear; 24. First cylinder; 25. First cutting blade;

[0051] 3. First electric actuator; 31. Movable plate;

[0052] 4. Hot bimetallic feeding and cutting mechanism; 41. Second motor; 42. Second conveyor roller; 43. Limiting plate; 431. Current impact device; 44. Second cylinder; 45. Second cutting blade; 46. Cutting groove;

[0053] 5. Pushing assembly; 51. Second electric actuator; 52. Cross plate;

[0054] 6. Resistance wire feeding and welding mechanism; 61. Resistance wire winding rod; 62. Third conveyor roller; 63. Third motor; 64. Third cylinder; 65. Third cutting blade; 66. Welding equipment;

[0055] 7. Resistance wire winding mechanism; 71. Base plate; 72. Vertical plate; 73. Fourth motor; 74. Three-jaw chuck; 75. Fifth motor; 76. Slide groove; 77. Sixth motor; 78. Reciprocating lead screw;

[0056] 8. Resistance measuring equipment;

[0057] 9. Conveyor belt. Detailed Implementation

[0058] The subject matter described herein will now be discussed with reference to example implementations. It should be understood that discussions of these implementations are intended to serve as examples only and that changes to elements of the examples discussed can be made in light of the teachings provided herein without departing from the scope of the specification. Various examples can omit, substitute, or add various procedures or components in addition to those described or in lieu thereof. Also, features described in relation to some examples can be combined in other examples. EMBODIMENTS

[0059] The technical solutions of the present application will be further described in detail below in combination with the accompanying drawings and specific examples. Please refer to Figures 1 to 9 The present application provides a device for automatically sleeving an insulating tube and winding a resistance wire around the insulating tube. Please refer to Figure 1 、 Figure 2 and Figure 3 , which comprises a base 1.

[0060] The base 1 is provided with an insulating tube loading and cutting mechanism 2 for loading and cutting the insulating tube.

[0061] The base 1 is provided with a first electric push rod 3, and the end of the first electric push rod 3 is provided with a movable plate 31, and the movable plate 31 is internally provided with the cut insulating tube.

[0062] The base 1 is provided with a thermal bimetallic element loading and cutting mechanism 4 for loading and cutting the thermal bimetallic element, and the cut thermal bimetallic element enters the inside of the movable plate 31 provided with the insulating tube, so that the thermal bimetallic element is sleeved with the insulating tube.

[0063] The base 1 is provided with a pushing assembly 5 for pushing the elements in the inside of the movable plate 31 to move to the next process.

[0064] The base 1 is provided with a resistance wire loading and welding mechanism 6 for welding the resistance wire with the thermal bimetallic element.

[0065] The base 1 is provided with a resistance wire winding mechanism 7 for winding the welded resistance wire to the outside of the insulating tube.

[0066] The base 1 is provided with a resistance value measuring device 8 for measuring the resistance value of the assembled and formed component.

[0067] The base 1 is provided with a conveying belt 9 for conveying the tested component.

[0068] Specifically, the insulating tube is cut and fed by the insulating tube cutting and feeding mechanism 2, until the insulating tube enters the inside of the movable plate 31, the hot bimetallic element is cut and fed by the hot bimetallic cutting and feeding mechanism 4 and then enters the inside of the cut insulating tube, so that the two are sleeved and formed, then the movable plate 31 is driven to move on the base 1 by the first electric push rod 3, so that the outer wall of the movable plate 31 is attached to the side wall of the base 1, then the element sleeved and formed in the inside of the movable plate 31 is pushed out by the pushing assembly 5, then the end of the resistance wire is welded with the hot bimetallic element by the resistance wire cutting and welding mechanism 6, then the insulating tube is rotated by the resistance wire winding mechanism 7, so that the resistance wire is wound on the outer wall of the insulating tube, until the winding is finished, the resistance wire is cut off by the components in the resistance wire cutting and welding mechanism 6, then the resistance of the assembled and formed component is measured by the resistance measuring device 8, after the measurement is finished, the component is transported away by the conveyor belt 9.

[0069] Please refer to Figure 2 , the insulating tube cutting and feeding mechanism 2 comprises a first motor 21, a first conveying roller 22, a gear 23, a first cylinder 24 and a first cutting knife 25;

[0070] The first motor 21 is installed on the base 1, three groups of first conveying rollers 22 are equidistantly and rotatably connected to the base 1, two by two and symmetrically distributed, the gears 23 are installed on the same side shaft of any group of first conveying rollers 22, the other end of any first conveying roller 22 away from the gear 23 is connected with the output end of the first motor 21, the first cylinder 24 is installed on the base 1, and the first cutting knife 25 is installed at the end of the first cylinder 24.

[0071] Specifically, the first conveying roller 22 is driven to rotate by the first motor 21, so that the two gears 23 rotate in opposite directions, thereby conveying the insulating tube between the plurality of first conveying rollers 22, until the insulating tube enters the other end of the inside of the movable plate 31, the length positioning of the insulating tube is completed, the first cylinder 24 can be started to drive the first cutting knife 25 to move downward, the insulating tube is cut, and the insulating tube is in the inside of the movable plate 31.

[0072] Please refer to Figure 3 and Figure 6 , the hot bimetallic cutting and feeding mechanism 4 comprises a second motor 41, a second conveying roller 42, a limiting plate 43, a second cylinder 44, a second cutting knife 45 and a cutting groove 46;

[0073] The base 1 is provided with a second motor 41, and two second conveying rollers 42 are rotatably connected to the base 1 and symmetrically distributed above and below, for conveying the thermal bimetallic element. The side shaft of any second conveying roller 42 is sleeved with the output end of the second motor 41. The base 1 is provided with a limiting plate 43, and the thermal bimetallic element moves in the limiting plate 43. The base 1 is provided with a second air cylinder 44, and the second air cylinder 44 is provided with a second cutting knife 45 at the end. The limiting plate 43 is provided with a cutting groove 46, so as to cooperate with the second cutting knife 45 to cut downward.

[0074] Specifically, the second motor 41 drives any second conveying roller 42 to rotate, so as to convey the thermal bimetallic element between the two second conveying rollers 42, and make the thermal bimetallic element enter the limiting plate 43. Then, the second air cylinder 44 drives the second cutting knife 45 to move downward, so as to make the second cutting knife 45 enter the cutting groove 46, thereby cutting the thermal bimetallic element. The cut thermal bimetallic element is continuously pushed forward into the insulating tube in the movable plate 31 by the subsequent thermal bimetallic element, thereby completing the sleeving operation.

[0075] Please refer to Figure 3 and Figure 6 The limiting plate 43 is provided with a current impact device 431 on the surface, for impacting the cut thermal bimetallic element in the limiting plate 43.

[0076] Specifically, the cut thermal bimetallic element is detected by the current impact device 431, so as to accurately detect the performance of the thermal bimetallic element when it withstands high-energy instantaneous current impact.

[0077] Please refer to Figure 2 and Figure 7 The pushing assembly 5 comprises a second electric push rod 51 and a cross plate 52.

[0078] The second electric push rod 51 is installed on the outer wall of the base 1, and the cross plate 52 is installed at the end of the second electric push rod 51, for pushing the assembled element in the movable plate 31.

[0079] Specifically, after the sleeving operation of the insulating tube and the thermal bimetallic element is completed, the movable plate 31 is driven to move on the base 1 by the first electric push rod 3, so that the outer wall of the movable plate 31 is attached to the side wall of the base 1. Then, the cross plate 52 is driven to move by the second electric push rod 51, so that the side wall of the cross plate 52 is attached to the side wall of the insulating tube and the thermal bimetallic element, thereby extending the sleeved insulating tube from the movable plate 31.

[0080] Please refer to Figure 2 and Figure 8The resistance wire feeding and welding mechanism 6 comprises a resistance wire winding rod 61, third conveying rollers 62, a third motor 63, a third cylinder 64, a third cutting knife 65 and a welding device 66.

[0081] The resistance wire winding rod 61 is mounted on the base 1, two groups of the third conveying rollers 62 are symmetrically arranged on the base 1, and the third conveying rollers 62 are used for conveying the resistance wire.

[0082] Please refer to Figure 2 and Figure 9 The resistance wire winding mechanism 7 comprises a base plate 71, a vertical plate 72, a fourth motor 73 and a three-jaw chuck 74.

[0083] The base plate 71 is rotatably connected to the base 1, the vertical plate 72 is slidably connected to the top end of the base plate 71, the fourth motor 73 is mounted on one side of the vertical plate 72, and the three-jaw chuck 74 is rotatably connected to the other side of the vertical plate 72.

[0084] Specifically, the third motor 63 drives any third conveying roller 62 to rotate, so as to convey the resistance wire wound on the resistance wire winding rod 61 until the resistance wire contacts the thermal bimetallic element inside the extended insulation tube.

[0085] Please refer to Figure 9 The fifth motor 75 is mounted on the base 1, and the output end of the fifth motor 75 is mounted in the inner wall of the base plate 71.

[0086] Specifically, the fifth motor 75 drives the base plate 71 to rotate on the base 1, so as to adjust the orientation of the base plate 71, loosen the three-jaw chuck 74 from the installed and formed assembly, and make the assembly fall on the conveying belt 9 to convey it away.

[0087] Please refer to Figure 9 Two sliding grooves 76 are formed in the base plate 71, and the lower end of the vertical plate 72 is slidably connected in the sliding grooves 76.

[0088] Specifically, by setting the sliding groove 76, the vertical plate 72 can move inside the sliding groove 76, thereby limiting the movement of the vertical plate 72.

[0089] Please refer to Figure 9 The sixth motor 77 is installed on the outer wall of the base plate 71, and the reciprocating screw rod 78 is sleeved on the output end of the sixth motor 77. The reciprocating screw rod 78 is rotatably connected inside any sliding groove 76, and the lower end of the vertical plate 72 is threadedly connected to the outside of the reciprocating screw rod 78.

[0090] Specifically, the sixth motor 77 drives the reciprocating screw rod 78 to rotate, so that the vertical plate 72 moves on the reciprocating screw rod 78, so that the vertical plate 72 can move inside the sliding groove 76 when moving, thereby driving the components on the three-jaw chuck 74 to displace.

[0091] Working principle: the first motor 21 drives the first conveying roller 22 to rotate, and the two gears 23 rotate in opposite directions, thereby conveying the insulating tube between the plurality of first conveying rollers 22, until the insulating tube enters the other end of the movable plate 31, the length of the insulating tube is positioned, and the first cylinder 24 is started to drive the first cutting knife 25 to move downward, cutting the insulating tube, and the insulating tube is in the movable plate 31;

[0092] Any second conveying roller 42 is driven by the second motor 41 to rotate, and the hot bimetallic element between the two second conveying rollers 42 is conveyed, so that the hot bimetallic element enters the limiting plate 43, and then the second cutting knife 45 is driven by the second cylinder 44 to move downward, so that the second cutting knife 45 enters the cutting groove 46, thereby cutting the hot bimetallic element. The hot bimetallic element after cutting is continuously moved into the insulating tube in the movable plate 31 by the subsequent hot bimetallic element, thereby completing the sleeve operation;

[0093] After the sleeve operation of the insulating tube and the hot bimetallic element is completed, the movable plate 31 is driven by the first electric push rod 3 to move on the base 1, and the outer wall of the movable plate 31 is attached to the side wall of the base 1. After that, the second electric push rod 51 can drive the cross plate 52 to move, so that the side wall of the cross plate 52 is attached to the side wall of the insulating tube and the hot bimetallic element to move, thereby extending the sleeved insulating tube from the inside of the movable plate 31;

[0094] The third motor 63 drives any third transmission roller 62 to rotate, thereby conveying the resistance wire wound on the resistance wire winding rod 61 until the resistance wire contacts the thermal bimetallic element inside the extended rear insulation tube. Then the resistance wire end is welded to the thermal bimetallic element by the welding device 66. After the three-jaw chuck 74 clamps and positions the sleeved insulation tube, the sixth motor 77 drives the reciprocating wire rod 78 to rotate, allowing the vertical plate 72 to move on the reciprocating wire rod 78, so that the vertical plate 72 can move inside the sliding groove 76 when moving, thereby driving the sleeved insulation tube on the three-jaw chuck 74 to displace. The vertical plate 72 slides on the base plate 71, and the fourth motor 73 drives the three-jaw chuck 74 to rotate, so that the resistance wire is wound on the outer wall of the insulation tube. After the winding operation is completed, the wound insulation tube is separated from the inside of the movable plate 31, and the third cylinder 64 drives the third cutting knife 65 to move downward to cut and separate the resistance wire. Then the resistance value of the installed and formed assembly is measured by the resistance value measuring device 8. Finally, the fifth motor 75 drives the base plate 71 to rotate on the base 1, thereby adjusting the orientation of the base plate 71, loosening the three-jaw chuck 74 from the installed and formed assembly, and allowing the assembly to fall onto the conveyor belt 9 to be transported away.

[0095] The above describes the embodiments of the specific embodiments, but the embodiments are not limited to the above specific embodiments, and the above specific embodiments are only illustrative and not limiting. Those skilled in the art can make many forms under the inspiration of the embodiments, which are all within the protection scope of the embodiments.

Claims

1. A device for automatically attaching an insulating tube and winding a resistance wire onto a heated bimetallic sheet, comprising a base (1); characterized in that, An insulating tube feeding and cutting mechanism (2) is provided on the base (1) for feeding and cutting the insulating tube; A first electric push rod (3) is installed on the base (1), and a movable plate (31) is installed at the end of the first electric push rod (3). The cut insulating tube is placed inside the movable plate (31). A hot bimetal feeding and cutting mechanism (4) is provided on the base (1) for feeding and cutting hot bimetal components. After cutting, the hot bimetal components enter the interior of the movable plate (31) containing the insulating tube, so that the hot bimetal components and the insulating tube are fitted together. A pusher assembly (5) is provided on the base (1) to push the internal components of the movable plate (31) to move into the next process; A resistance wire feeding and welding mechanism (6) is provided on the base (1) for welding the resistance wire to the hot bimetallic element; A resistance wire winding mechanism (7) is provided on the base (1) for winding the welded resistance wire to the outside of the insulating tube; A resistance measuring device (8) is provided on the base (1) for measuring the resistance of the assembled components; A conveyor belt (9) is provided on the base (1) for transporting the tested components; The insulating tube feeding and cutting mechanism (2) includes a first motor (21), a first conveying roller (22), a gear (23), a first cylinder (24), and a first cutting blade (25); A first motor (21) is installed on the base (1). Three sets of first conveyor rollers (22) are symmetrically distributed in pairs on the base (1). A gear (23) is installed on the same side shaft of any set of first conveyor rollers (22). The other end of any first conveyor roller (22) away from the gear (23) is connected to the output end of the first motor (21). A first cylinder (24) is installed on the base (1). A first cutting blade (25) is installed at the end of the first cylinder (24). The hot bimetallic feeding and cutting mechanism (4) includes a second motor (41), a second conveying roller (42), a limiting plate (43), a second cylinder (44), a second cutting blade (45), and a cutting groove (46). A second motor (41) is installed on the base (1). Two second conveyor rollers (42) are rotatably connected on the base (1) and are distributed symmetrically on the top and bottom for transmitting the hot bimetallic element. The side shaft of any second conveyor roller (42) is sleeved with the output end of the second motor (41). A limit plate (43) is installed on the base (1). The hot bimetallic element moves inside the limit plate (43). A second cylinder (44) is installed on the base (1). A second cutting blade (45) is installed at the end of the second cylinder (44). A cutting groove (46) is opened inside the limit plate (43) to cooperate with the second cutting blade (45) to move down and cut. The resistance wire feeding and welding mechanism (6) includes a resistance wire winding rod (61), a third conveying roller (62), a third motor (63), a third cylinder (64), a third cutting blade (65), and welding equipment (66). A resistance wire winding rod (61) is installed on the base (1). Two sets of third conveyor rollers (62) are symmetrically distributed in pairs on the base (1) for transmitting resistance wire. A third motor (63) is installed on the base (1). The side shaft of any third conveyor roller (62) is sleeved with the output shaft of the third motor (63). A third cylinder (64) is installed on the base (1). A third cutting blade (65) is installed at the end of the third cylinder (64). A welding device (66) is installed on the base (1) for welding the end of the resistance wire to the hot bimetallic element. The resistance wire winding mechanism (7) includes a base plate (71), a vertical plate (72), a fourth motor (73), and a three-jaw chuck (74). A base plate (71) is rotatably connected to the base (1). A vertical plate (72) is slidably connected to the top of the base plate (71). A fourth motor (73) is installed on one side of the vertical plate (72). A three-jaw chuck (74) is rotatably connected to the other side of the vertical plate (72). The central shaft of the three-jaw chuck (74) is sleeved with the output shaft of the fourth motor (73).

2. The device for automatically attaching an insulating tube to a heated bimetallic sheet and winding a resistance wire according to claim 1, characterized in that: The limiting plate (43) is equipped with a current impact device (431) for impacting the hot bimetallic element inside the limiting plate (43) after it has been cut with current.

3. The device for automatically attaching an insulating tube to a heated bimetallic sheet and winding a resistance wire according to claim 1, characterized in that: The pusher assembly (5) includes a second electric push rod (51) and a cross plate (52); The base (1) is equipped with a second electric push rod (51) on its outer wall. The end of the second electric push rod (51) is equipped with a cross plate (52) for pushing the components assembled inside the movable plate (31) to move.

4. The device for automatically attaching an insulating tube to a heated bimetallic sheet and winding a resistance wire according to claim 1, characterized in that: A fifth motor (75) is installed on the base (1), and the output end of the fifth motor (75) is installed on the inner wall of the base plate (71).

5. The device for automatically attaching an insulating tube to a heated bimetallic sheet and winding a resistance wire according to claim 1, characterized in that: The substrate (71) has two grooves (76) inside, and the lower end of the upright plate (72) is slidably connected inside the grooves (76).

6. The device for automatically attaching an insulating tube to a heated bimetallic sheet and winding a resistance wire according to claim 5, characterized in that: A sixth motor (77) is installed on the outer wall of the substrate (71). A reciprocating screw (78) is sleeved at the output end of the sixth motor (77). The reciprocating screw (78) is rotatably connected inside any of the slide grooves (76). The lower end of the upright plate (72) is threaded to the outer wall of the reciprocating screw (78).

Images