An NTC cutting and welding equipment

Abstract

The present invention relates to an NTC cutting and welding device, comprising a base, a conveying mechanism for conveying a semi-finished motor to be welded with an NTC, a welding mechanism, and a mounting seat. The mounting seat and the welding mechanism are sequentially arranged along the conveying direction of the conveying mechanism, a receiving part for carrying the NTC is provided on the mounting seat, a cutting mechanism for cutting NTC pins on the receiving part is provided on the mounting seat, a waste receiving mechanism for receiving cutting waste is also provided on the mounting seat, a feeding mechanism for feeding the cut NTC to a position to be welded on the semi-finished motor is further provided on the base, and the feeding mechanism also feeds the semi-finished motor to the welding mechanism. The device automatically cuts the pins of the NTC and welds the NTC, thereby ensuring that the lengths of the cut NTC pins are consistent and welding is less likely to produce defective products. Moreover, automatic feeding and automatic welding also improve production efficiency.

Description

Technical Field

[0001] This invention relates to the field of NTC processing, and more specifically, to an NTC cutting and welding apparatus. Background Technology

[0002] With the rapid development of economy and technology, the application of NTC thermistors is very standardized. With the advent of Industry 4.0 and the era of big data, the application fields of NTC thermistors are becoming wider and wider. For example, some fan motors need to be equipped with NTC thermistors.

[0003] Space is limited for soldering NTCs to fan motors, but existing NTCs are all standard parts. The NTC pins are too long to fit into the soldering position of the fan motor. Therefore, the NTC pins often need to be cut to fit into the fan motor for soldering. Currently, the NTC pins are manually cut before soldering, which results in a waste of manpower and low efficiency in the production process, which is not conducive to mass production. Summary of the Invention

[0004] In view of the above-mentioned deficiencies of the prior art, an NTC cutting and welding device is provided.

[0005] The technical solution adopted by the present invention to solve its technical problem is: an NTC cutting and welding device, including a base, a conveying mechanism for conveying a semi-finished motor with NTCs to be welded is provided on the base, a welding mechanism is provided on the base, and a mounting seat is also provided on the base. The mounting seat and the welding mechanism are arranged sequentially along the conveying direction of the conveying mechanism. The mounting seat is provided with a receiving component for supporting the NTCs. The mounting seat is provided with a cutting mechanism for cutting the NTC pins on the receiving component. The mounting seat is also provided with a waste receiving mechanism for receiving the cutting waste. The base is also provided with a feeding mechanism for feeding the cut NTCs onto the welding position on the semi-finished motor. The feeding mechanism also feeds the semi-finished motor onto the welding mechanism.

[0006] Preferably, the feeding mechanism includes a first three-axis moving platform, a welding auxiliary plate, a connecting plate, and a pneumatic gripper for clamping the semi-finished motor. The first three-axis moving platform is mounted on a base. The connecting plate is provided with a connecting frame for connecting to the first three-axis moving platform. The pneumatic gripper is mounted on the upper surface of the connecting plate, and the gripping fingers of the pneumatic gripper protrude from the lower surface of the connecting plate. The connecting plate is provided with a connecting plate through hole to allow movement of the gripping fingers of the pneumatic gripper. The welding auxiliary plate is located between the two gripping fingers of the pneumatic gripper. The connecting plate is provided with an electromagnet that is magnetically attracted to the welding auxiliary plate. The welding auxiliary plate is provided with an avoidance through hole to allow welding by the welding mechanism. The welding auxiliary plate is also provided with a clamping mechanism for clamping the NTC at the position of the avoidance through hole.

[0007] Preferably, the clamping mechanism includes two clamping blocks and two air cushions. The two clamping blocks are respectively arranged on opposite sides of the through hole on the welding auxiliary plate, and the two air cushions are respectively arranged on opposite sides of the two clamping blocks. The welding auxiliary plate is provided with an inflation channel connected to the air cushions, and the connecting plate is provided with an inflation tube inserted into the inflation channel.

[0008] Preferably, the receiving component has a cuboid structure, and a cuboid protrusion is provided on the top surface of the receiving component. The length direction of the protrusion is the same as the length direction of the receiving component. A strip-shaped groove for placing the NTC is provided on the protrusion. On both sides of the strip-shaped groove, there are pin grooves for limiting the NTC pins. The two pin grooves are arranged opposite each other. The cutting mechanism includes a cylinder and two cutting heads. The cylinder is located directly above the receiving component. A support frame for supporting the cylinder is provided on the mounting base. A connecting block is provided at the output end of the cylinder. The two cutting heads are spaced apart on the connecting block. The distance between the two opposite sides of the two cutting heads is equal to the distance between the two opposite sides of the receiving component.

[0009] Preferably, the connecting block has a vertically limited sliding rod between the two cutting heads, a pre-pressing block is provided at the end of the sliding rod away from the connecting block, the pre-pressing block is provided with a relief groove for the relief protrusion, the opposite side walls of the pre-pressing block abut against the two cutting heads, and a spring is provided between the pre-pressing block and the connecting block.

[0010] Preferably, the connecting block is provided with a sliding cavity, the end of the slide rod away from the pre-compression block is slidably disposed in the sliding cavity, a limit block is provided at the end of the slide rod away from the pre-compression block, and the spring is sleeved on the slide rod.

[0011] Preferably, the waste receiving mechanism includes a slide table and two waste drawers. The slide table is mounted on a mounting base, and the two waste drawers slide on the slide table with a gap between them. The receiving component is located on the slide table between the two waste drawers.

[0012] Preferably, the mounting base is provided with a baffle above each waste drawer.

[0013] Preferably, the welding mechanism includes a second three-axis moving platform, an automatic wire feeding mechanism, and a welding head. The second three-axis moving platform is mounted on the base, the welding head is mounted on the second three-axis moving platform, and the automatic wire feeding mechanism is also mounted on the second three-axis moving platform, moving with the welding head.

[0014] Preferably, the conveying mechanism is a chain conveyor.

[0015] The beneficial effects of this invention are as follows: the NTC is placed on the receiving part, the cutting mechanism cuts the NTC pins to a suitable length, the cut waste falls into the waste receiving mechanism, the conveying mechanism transports the semi-finished motor of the fan to be welded to the front of the receiving part, the feeding mechanism places the cut NTC on the position of the semi-finished motor to be welded, then the semi-finished motor is fed onto the welding mechanism, and finally the welding mechanism welds the NTC to the semi-finished motor. By automatically cutting the NTC pins and welding the NTC through this equipment, not only are the lengths of the cut NTC pins consistent, and the welding is less likely to produce defective products, but production efficiency is also improved. Attached Figure Description

[0016] Figure 1 This is a top view of the overall structure of an embodiment of the present invention;

[0017] Figure 2 This is a schematic diagram of the overall feeding mechanism according to an embodiment of the present invention;

[0018] Figure 3 This is a top-down exploded view of the feeding mechanism according to an embodiment of the present invention;

[0019] Figure 4 This is a bottom-view exploded view of the feeding mechanism according to an embodiment of the present invention;

[0020] Figure 5 This is a schematic diagram of the removal of the feeding mechanism according to an embodiment of the present invention;

[0021] Figure 6 This is an embodiment of the present invention. Figure 5 Enlarged view of region A in the middle;

[0022] Figure 7 This is an embodiment of the present invention. Figure 6 Enlarged view of region B in the middle;

[0023] Figure 8 This is a front structural diagram of the material feeding mechanism according to an embodiment of the present invention;

[0024] Figure 9 This is an embodiment of the present invention. Figure 8 Enlarged diagram of region C in the middle;

[0025] Figure 10 This is an embodiment of the present invention. Figure 8 Enlarged schematic diagram of region D in the middle.

[0026] Reference numerals: 1. Base; 2. Conveying mechanism; 3. Welding mechanism; 30. Second three-axis moving platform; 31. Automatic wire feeding mechanism; 32. Welding head; 4. Mounting seat; 5. Scrap receiving mechanism; 50. Slide table; 51. Scrap drawer; 52. Baffle; 6. Receiving part; 60. Protrusion; 61. Strip groove; 62. Pin groove; 7. Cutting mechanism; 70. Cylinder; 71. Cutting head; 72. Support frame; 73. Connecting block; 74. Sliding cavity; 8. Slide rod; 80. Limiting block; 81. Pre-compression block; 82. Clearance groove; 83. Spring; 9. First three-axis moving platform; 90. Welding auxiliary plate; 900. Clearance through hole; 91. Connecting plate; 92. Connecting plate through hole; 93. Pneumatic gripper; 94. Connecting frame; 95. Electromagnet; 96. Clamping block; 97. Air cushion; 98. Inflation channel; 99. Inflation pipe. Detailed Implementation

[0027] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, a clear and complete description will be given below in conjunction with the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are some embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present invention. In addition, the directional terms mentioned in the present invention, such as "up," "down," "front," "back," "left," "right," "inner," and "outer," are only for reference to the directions in the accompanying illustrations. The use of directional terms is for better and clearer explanation and understanding of the present invention, and is not intended to indicate or imply any necessary orientation of the present invention, and therefore should not be construed as a limitation of the present invention.

[0028] Examples of embodiments of the present invention Figures 1 to 10 As shown, an NTC cutting and welding device includes a base 1. A conveying mechanism 2 for conveying semi-finished motors of NTCs to be welded is disposed on the upper surface of the base 1. The semi-finished motors are loaded on a fixture, and the conveying mechanism 2 conveys the semi-finished motors through the fixture. The conveying mechanism 2 is located on the base 1 near the front end, and its conveying direction is left-right. The conveying mechanism 2 is a chain conveyor. A welding mechanism 3 is disposed on the upper surface of the base 1, and a mounting base 4 is also disposed on the upper surface of the base 1. The mounting base 4 and the welding mechanism 3 are connected along the conveying mechanism. The conveying direction of mechanism 2 is arranged sequentially. Mounting base 4 and welding mechanism 3 are both located on the rear side of conveying mechanism 2, and mounting base 4 is located on the left side of welding mechanism 3. Mounting base 4 is provided with a receiving part 6 for carrying NTC. Mounting base 4 is provided with a cutting mechanism 7 for cutting the NTC pins on receiving part 6. Mounting base 4 is also provided with a waste receiving mechanism 5 for receiving cutting waste. The base 1 is also provided with a feeding mechanism for feeding the cut NTC to the welding position on the semi-finished motor. The feeding mechanism also feeds the semi-finished motor to welding mechanism 3.

[0029] The NTC is placed on the receiving part 6, and the cutting mechanism 7 cuts the NTC pins to the appropriate length. The cut waste falls into the waste receiving mechanism 5. The conveying mechanism 2 transports the semi-finished motor of the fan to be welded to the front of the receiving part 6. The feeding mechanism places the cut NTC on the semi-finished motor to be welded. Then, the feeding mechanism feeds the fixture along with the semi-finished motor to the welding mechanism 3. Finally, the welding mechanism 3 welds the NTC to the semi-finished motor. By automatically cutting the NTC pins and welding the NTC, this equipment not only ensures that the length of the cut NTC pins is consistent and that defective products are less likely to occur during welding, but also improves production efficiency.

[0030] Further improvements, such as Figures 1 to 4 As shown, the feeding mechanism includes a first three-axis moving platform 9, a welding auxiliary plate 90, a connecting plate 91, and a pneumatic gripper 93 for clamping the semi-finished motor. The first three-axis moving platform 9 is mounted on the base 1. The left-right moving axis of the first three-axis moving platform 9 is located in front of the conveying mechanism 2, and the front-back moving axis of the first three-axis moving platform 9 is located above the conveying mechanism 2. A connecting frame 94 for connecting to the first three-axis moving platform 9 is provided on the top surface of the connecting plate 91. The connecting frame 94 is connected to the first three-axis moving platform 9 from the top and bottom. The pneumatic gripper 93 is connected to the moving shaft and is disposed on the upper surface of the connecting plate 91. The gripping fingers of the pneumatic gripper 93 extend through the lower surface of the connecting plate 91. The connecting plate 91 is provided with a connecting plate through hole 92 to avoid the movement of the gripping fingers of the pneumatic gripper 93. The welding auxiliary plate 90 is located between the two gripping fingers of the pneumatic gripper 93. The connecting plate 91 is provided with an electromagnet 95 that is magnetically attracted to the welding auxiliary plate 90. A cuboid magnetic block is provided on the top surface of the welding auxiliary plate 90. The electromagnet 95 is magnetically attracted to the magnetic block. The top surface of the magnetic block is provided with... The connecting plate 91 has two spaced-apart guide holes and guide posts that can be inserted into the corresponding guide holes to facilitate the positioning and guidance of the welding auxiliary plate 90 when the electromagnet 95 adsorbs it. The welding auxiliary plate 90 has a clearance through hole 900 to avoid welding by the welding mechanism 3. The clearance through hole 900 avoids welding by the welding head 32 in the welding mechanism 3. The welding auxiliary plate 90 also has a clamping mechanism for holding the NTC at the position of the clearance through hole 900. The connecting frame 94 allows the first three-axis moving platform 9 to move up and down when holding the NTC. The moving axis is located on the right side of the cutting mechanism 7 to prevent interference between the first three-axis moving platform 9 and the cutting mechanism 7. The welding auxiliary plate 90 is attracted by the electromagnet 95, and then the NTC is clamped by the clamping mechanism. Then, the welding auxiliary plate 90 is placed on the fixture by the first three-axis moving platform 9. At the same time, the electromagnet is de-energized and no longer attracts the welding auxiliary plate 90. The clamping mechanism releases the NTC placed on the semi-finished motor to be welded. Finally, the fixture with the welding auxiliary plate 90 and the semi-finished motor is loaded onto the welding mechanism 3 by the pneumatic gripper 93.

[0031] Further improvements, such as Figures 2 to 4 As shown, the clamping mechanism includes two clamping blocks 96 and two air cushions 97. The two clamping blocks 96 are correspondingly arranged on the front and rear sides of the through hole 900 on the welding auxiliary plate 90. A mounting plate is provided in the middle of the through hole 900, which provides a position for the clamping blocks 96 to be installed, thus facilitating the installation of the clamping blocks 96. The two air cushions 97 are correspondingly arranged on the opposite sides of the two clamping blocks 96. The welding auxiliary plate 90 is provided with two inflation channels 98 that communicate with the air cushions 97. The two inflation channels 98 are connected to the two air cushions 97 respectively. The connecting plate 91 is provided with two inflation tubes 99 that are inserted into the inflation channels 98. The two inflation tubes 99 are inserted into the corresponding inflation channels 98. The inflation tubes 99 inflate the air cushions 97 through the inflation channels 98. The inflated air cushions 97 clamp the NTC. The inflation tubes 99 draw in air and expel the air from the air cushions 97 to release the NTC.

[0032] Further improvements, such as Figure 6 , Figure 7 and Figure 9 As shown, the receiving component 6 has a cuboid structure and extends in the front-to-back direction. A cuboid protrusion 60 is provided on the top surface of the receiving component 6, with the length direction of the protrusion 60 being the same as that of the receiving component 6. The receiving component 6 and the protrusion 60 are integrally formed. A strip-shaped groove 61 for placing the NTC is provided on the top surface of the protrusion 60, extending in the front-to-back direction. On both the left and right sides of the strip-shaped groove 61, pin grooves 62 for limiting the NTC pins are provided. The two pin grooves 62 are arranged opposite each other, extending in the left-to-right direction, and have open ends. The cutting mechanism 7 includes a cylinder 70 and two cutting heads 71. The cylinder 70... Located directly above the receiving component 6, the mounting base 4 is equipped with a support frame 72 for supporting the cylinder 70. The support frame 72 is integrally formed with the mounting base 4. The output end of the cylinder 70 is provided with a connecting block 73. The two cutting heads 71 ​​are spaced apart on the connecting block 73 in the left and right directions. The distance between the two opposite sides of the two cutting heads 71 ​​is equal to the distance between the two opposite sides of the receiving component 6. During cutting, the cylinder 70 drives the two cutting heads 71 ​​to move downward. The right side of the left cutting head 71 abuts against the left side wall of the receiving component 6, thereby generating a cutting force for cutting the left pin of the NTC. The left side of the right cutting head 71 abuts against the right side wall of the receiving component 6, thereby generating a cutting force for cutting the right pin of the NTC.

[0033] Further improvements, such as Figure 4 and Figure 5As shown, the connecting block 73 has a vertically sliding guide rod 8 between the two cutting heads 71. A pre-pressing block 81 is provided at the end of the guide rod 8 away from the connecting block 73. The pre-pressing block 81 has a relief groove 82 for the relief protrusion 60. The opposite side walls of the pre-pressing block 81 abut against the two cutting heads 71. A spring 83 is provided between the pre-pressing block 81 and the connecting block 73. A sliding cavity 74 is provided inside the connecting block 73. The end of the guide rod 8 away from the pre-pressing block 81 slides in the sliding cavity 74. A limiting block 80 is provided at the end of the guide rod 8 away from the pre-pressing block 84. The limiting block 80 has a ring structure and is integrally formed with the guide rod 8. The spring 83 is sleeved on the guide rod 8. Through the guide rod 8 and the spring 83, the pre-pressing block 81 pre-presses the pins of the NTC to prevent the pins of the NTC from moving or deforming during cutting, thereby ensuring the cutting quality.

[0034] Further improvements, such as Figure 1 and Figure 2 As shown, the waste receiving mechanism 5 includes a slide table 50 and two waste drawers 51. The slide table 50 is mounted on the mounting base 4, and the two waste drawers 51 slide on the slide table 50, spaced apart. The top surface of the slide table 50 has slide grooves extending in the front-to-back direction on both the left and right sides, with open front ends. The two waste drawers 51 slide in their corresponding slide grooves, and handles are provided on the front ends of the waste drawers 51. The receiving component 6 is positioned between the two waste drawers 51 on the slide table 50, i.e., the receiving component 6 is positioned on both slide tables 50. In the middle of the chute, the right end of the left scrap drawer 51 has a notch for the NTC pins to fall into, and the left end of the right scrap drawer 51 also has a notch for the NTC pins to fall into. The mounting base 4 has a baffle 52 above each scrap drawer 51, which covers the top of the scrap drawer 51. The baffle 52 prevents the NTC pins from flying out of the scrap drawer 51 during cutting. The cutting scrap from the NTC on the receiving part 6 falls into the scrap drawers 51 on both sides. Pulling out the scrap drawer 51 allows the full scrap to be emptied. The handle makes it easy to pull out the scrap drawer 51.

[0035] Further improvements, such as Figure 4 and Figure 6As shown, the welding mechanism 3 includes a second three-axis moving platform 30, an automatic wire feeding mechanism 31, and a welding head 32. The second three-axis moving platform 30 is mounted on the base 1, the welding head 32 is mounted on the second three-axis moving platform 30, and the automatic wire feeding mechanism 31 is also mounted on the second three-axis moving platform 30. The automatic wire feeding mechanism 31 moves with the welding head 32. The automatic wire feeding mechanism 31 is a commonly used automatic wire feeder on the market, such as the precision solder wire feeder of model USWF 100 from manufacturer Yuli Automation. The NTC and the semi-finished motor are automatically welded together by the second three-axis moving platform 30, the welding head 32, and the automatic wire feeding mechanism 31, thereby improving production efficiency.

[0036] It should be understood that those skilled in the art can make improvements or modifications based on the above description, and all such improvements and modifications should fall within the protection scope of the appended claims.

Claims

1. An NTC cutting and welding device, comprising a base; characterized in that, The base is equipped with a conveying mechanism for transporting semi-finished motors containing NTCs to be welded; the base is also equipped with a welding mechanism; the base is further equipped with a mounting seat; the mounting seat and the welding mechanism are arranged sequentially along the conveying direction of the conveying mechanism; the mounting seat is equipped with a receiving component for supporting the NTCs; the mounting seat is equipped with a cutting mechanism for cutting the NTC pins on the receiving component; the mounting seat is also equipped with a waste receiving mechanism for receiving the cutting waste; the base is also equipped with a feeding mechanism for loading the cut NTCs onto the welding position on the semi-finished motor; the feeding mechanism also loads the semi-finished motor... The material is fed onto the welding mechanism, which includes a first three-axis moving platform, a welding auxiliary plate, a connecting plate, and a pneumatic gripper for holding the semi-finished motor. The first three-axis moving platform is mounted on a base. The connecting plate has a connecting frame for connecting to the first three-axis moving platform. The pneumatic gripper is mounted on the upper surface of the connecting plate. The gripping fingers of the pneumatic gripper protrude from the lower surface of the connecting plate. The connecting plate has a through hole to allow movement of the gripping fingers of the pneumatic gripper. The welding auxiliary plate is located between the two gripping fingers of the pneumatic gripper. An electromagnet magnetically attracts the welding auxiliary plate to the connecting plate. The welding auxiliary plate is provided with a clearance through hole for the welding mechanism; the welding auxiliary plate is also provided with a clamping mechanism for holding the NTC at the location of the clearance through hole, the clamping mechanism including two clamping blocks and two air cushions; the two clamping blocks are correspondingly arranged on opposite sides of the clearance through hole on the welding auxiliary plate; the two air cushions are correspondingly arranged on opposite sides of the two clamping blocks; the welding auxiliary plate is provided with an inflation channel connected to the air cushions; the connecting plate is provided with an inflation tube inserted into the inflation channel; the receiving part is a cuboid structure; the top surface of the receiving part is provided with a cuboid protrusion; The length direction of the protrusion is the same as the length direction of the receiving component; the protrusion is provided with a strip-shaped groove for placing the NTC; the protrusion is provided with pin grooves for limiting the NTC pins on both sides of the strip-shaped groove; the two pin grooves are arranged opposite each other; the cutting mechanism includes a cylinder and two cutting heads; the cylinder is located directly above the receiving component; the mounting base is provided with a support frame for supporting the cylinder; the output end of the cylinder is provided with a connecting block; the two cutting heads are spaced apart on the connecting block; the distance between the two opposite sides of the two cutting heads is equal to the distance between the two opposite sides of the receiving component.

2. The NTC cutting and welding equipment according to claim 1, characterized in that, The connecting block has a vertically limited sliding rod between the two cutting heads; a pre-pressing block is provided at the end of the sliding rod away from the connecting block; the pre-pressing block is provided with a clearance groove for the clearance protrusion; the opposite side walls of the pre-pressing block abut against the two cutting heads; and a spring is provided between the pre-pressing block and the connecting block.

3. The NTC cutting and welding equipment according to claim 2, characterized in that, The connecting block is provided with a sliding cavity; the end of the slide rod away from the pre-compression block is slidably disposed in the sliding cavity; a limit block is provided at the end of the slide rod away from the pre-compression block; and the spring is sleeved on the slide rod.

4. The NTC cutting and welding equipment according to claim 1, characterized in that, The waste receiving mechanism includes a slide table and two waste drawers; the slide table is mounted on a mounting base; the two waste drawers slide on the slide table; the two waste drawers are spaced apart; the receiving component is located on the slide table between the two waste drawers.

5. The NTC cutting and welding equipment according to claim 4, characterized in that, Each of the mounting bases has a baffle above each waste drawer.

6. The NTC cutting and welding equipment according to claim 1, characterized in that, The welding mechanism includes a second three-axis moving platform, an automatic wire feeding mechanism, and a welding head; the second three-axis moving platform is mounted on a base; the welding head is mounted on the second three-axis moving platform; the automatic wire feeding mechanism is also mounted on the second three-axis moving platform; the automatic wire feeding mechanism moves with the welding head.

7. The NTC cutting and welding equipment according to claim 1, characterized in that, The conveying mechanism is a chain conveyor.

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