CN220718181U - Automatic welding machine for double-station thermal protector - Google Patents

Abstract

The utility model belongs to the technical field of heat protector processing, in particular to an automatic welding machine for a double-station heat protector, which comprises a machine body and further comprises: the top surface of the rotating platform is provided with a plurality of double-station material loading plates which are distributed at equal intervals along the circumferential direction; bimetallic strip feeding mechanism; a conductive shell feeding mechanism; a welding mechanism; the receiving mechanism is arranged on the top surface of the machine body and is used for recycling the welded bimetallic strip and conductive shell combined body; according to the automatic welding machine for the thermal protector, the two automatic feeding vibration discs are used for feeding the bimetallic strip and the conductive shell respectively, the two groups of bimetallic strips and the conductive shell are placed on the same double-station material carrying plate, the two welding mechanisms are used for welding the bimetallic strip and the conductive shell on the adjacent two stations in sequence, the material receiving mechanism is used for full-automatic discharging after welding, the equipment automation degree is high, the double-station welding mode is adopted, the processing efficiency is high, and the production requirements of most enterprises can be met.

Description

Automatic welding machine for double-station thermal protector

Technical Field

The utility model belongs to the technical field of machining of thermal protectors, and particularly relates to an automatic welding machine for a double-station thermal protector.

Background

The thermal protector is a temperature controller with two different alloys combined together, is a temperature controller with a bimetallic strip as a temperature sensing element, and can automatically close/open contacts when the temperature is reduced to a set temperature, and can restore a normal working state, and is widely used for household appliance motors and electrical equipment, such as washing machine motors, air conditioner fan motors, transformers, ballasts, electric heating appliances and the like;

in the processing process of the thermal protector, the conductive shell and the bimetallic strip are required to be welded together, the bimetallic strip is used as a temperature sensing element, and the automatic closing/opening is realized by utilizing the elastic bending of the bimetallic strip caused by temperature change;

the standards of different enterprises for processing the thermal protector are different, so that the used thermal protector automatic welding machines are different, but the applicant finds that most of the thermal protector automatic welding machines on the market are in a single-station processing mode, and the production efficiency is further required to be improved to a certain extent, so that the single-station processing mode cannot necessarily meet the production requirement for large enterprises with large production batches;

in order to solve the above problems, the present application proposes an automatic welder for a double-station thermal protector.

The above information disclosed in the background section is only for enhancement of understanding of the background of the utility model and therefore it may contain information that does not form the prior art that is already known to a person of ordinary skill in the art.

Disclosure of Invention

In order to solve the problems in the prior art, the utility model provides an automatic welding machine for a double-station heat protector, which has the characteristics of convenient use and high processing efficiency.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a duplex position thermal protector automatic weld machine, includes the organism, still includes:

the rotating platform is rotatably arranged on the top surface of the machine body by utilizing a cam divider, a plurality of double-station material carrying plates which are distributed at equal intervals along the circumferential direction are arranged on the top surface of the rotating platform, two bimetallic strip positioning clamps are arranged on the top surface of the double-station material carrying plates, and bimetallic strip placing grooves are formed in the top surface of the bimetallic strip positioning clamps and used for placing bimetallic strips;

the bimetallic strip feeding mechanism is arranged on the top surface of the machine body and is used for placing the bimetallic strip in the corresponding bimetallic strip placing groove;

the conductive shell feeding mechanism is arranged on the top surface of the machine body and is used for placing the conductive shell above the bimetallic strip;

the two welding mechanisms are arranged on the top surface of the machine body at intervals, and sequentially weld the bimetallic strip and the conductive shell on two adjacent stations;

and the receiving mechanism is arranged on the top surface of the machine body and is used for recycling the welded bimetallic strip and conductive shell combined body.

As a preferred technical solution of the present utility model, the bimetal feeding mechanism includes:

the automatic feeding vibration disc A is arranged on the top surface of the machine body and is used for continuously conveying bimetallic strip materials;

the first fixing frame is arranged on the top surface of the machine body, a first sliding table is distributed in the first fixing frame, a guide rod penetrating through the first sliding table is fixed in the first sliding frame, a material taking plate is fixed on the first sliding table, two material taking grooves which are distributed at intervals are formed in the top end of the material taking plate and used for accommodating two bimetallic strips, a first horizontal cylinder is arranged on the end surface of the first fixing frame, and a piston rod of the first horizontal cylinder is fixedly connected with the first sliding table;

and the first support rod is arranged on the top surface of the machine body, the first linear module is arranged on the first support rod, the first vertical cylinder is arranged on the sliding block of the first linear module, and the two first pneumatic suction nozzles are arranged on the piston rod of the first vertical cylinder and used for sucking and placing the two bimetallic strips into the bimetallic strip placing groove.

As a preferred technical solution of the present utility model, the conductive shell feeding mechanism includes:

the automatic feeding vibration disc B is arranged on the top surface of the machine body and is used for continuously conveying the conductive shell material;

and a second support rod arranged on the top surface of the machine body, wherein a second linear module is arranged on the second support rod, a second vertical cylinder is arranged on a sliding block of the second linear module, an air tap mounting plate is arranged at the bottom end of a piston rod of the second vertical cylinder, a second horizontal cylinder is arranged on the bottom surface of the air tap mounting plate, and two second pneumatic suction nozzles are arranged on the piston rod of the second horizontal cylinder and used for sucking and placing two conductive shells on two bimetallic strips on the same double-station material carrying plate.

As a preferred embodiment of the present utility model, the welding mechanism includes:

the bottom plate is arranged on the top surface of the machine body, a guide upright post is fixed on the top surface of the bottom plate, and a top plate is arranged at the top end of the guide upright post;

the second sliding table is distributed between the bottom plate and the top plate, the guide upright posts penetrate through the second sliding table, and a switching rod is fixed on the top surface of the second sliding table;

the third vertical cylinder is arranged on the top surface of the top plate, and a piston rod of the third vertical cylinder penetrates through the top plate and is fixedly connected with the switching rod;

the piston rod of the upper vertical cylinder penetrates through the top plate, and an upper welding head assembly is arranged at the end part of the piston rod of the upper vertical cylinder;

and the lower vertical cylinder is installed on the bottom surface of the second sliding table, a piston rod of the lower vertical cylinder penetrates through the second sliding table, and a lower welding head assembly is installed at the end part of the piston rod of the lower vertical cylinder.

As a preferred technical solution of the present utility model, the material receiving mechanism includes:

the third support rod is arranged on the top surface of the machine body, a third linear module is arranged on the third support rod, a fourth vertical cylinder is arranged on a sliding block of the third linear module, a movable plate is fixed on a piston rod of the fourth vertical cylinder, and a pneumatic clamping jaw is arranged on the bottom surface of the movable plate and used for clamping the welded bimetallic strip and conductive shell assembly;

and the blanking slide way is arranged on the third support rod, the bottom surface of the blanking slide way is connected with a guide slide way, and a receiving box is arranged below the guide slide way.

As a preferable technical scheme of the utility model, the double-station material loading device further comprises a material sensing module, the material sensing module comprises a fourth supporting rod, the fourth supporting rod is fixed on the top surface of the machine body, a sensor fixing frame is arranged at the top end of the fourth supporting rod, photoelectric sensors are arranged at the top end and the bottom end of the sensor fixing frame, and the double-station material loading plate penetrates through the inner sides of the two photoelectric sensors in the transferring process.

Compared with the prior art, the utility model has the beneficial effects that: according to the automatic welding machine for the thermal protector, the two automatic feeding vibration discs are used for feeding the bimetallic strip and the conductive shell respectively, the two groups of bimetallic strips and the conductive shell are placed on the same double-station material carrying plate, the two welding mechanisms are used for welding the bimetallic strip and the conductive shell on the adjacent two stations in sequence, the material receiving mechanism is used for full-automatic discharging after welding, the equipment automation degree is high, the double-station welding mode is adopted, the processing efficiency is high, and the production requirements of most enterprises can be met.

Additional advantages and benefits of the present application will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the present application.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic diagram of the axial measurement structure of the dual-station loading plate in FIG. 1 according to the present utility model;

fig. 3 is a schematic diagram of an axial measurement structure of a bimetal feeding mechanism in the utility model;

FIG. 4 is a schematic diagram of an axial measurement structure of a feeding mechanism of a conductive shell in the utility model;

FIG. 5 is a schematic diagram of an axial structure of a welding mechanism according to the present utility model;

FIG. 6 is a schematic diagram of an axial measurement structure of a receiving mechanism in the utility model;

FIG. 7 is a schematic diagram of an axial measurement structure of a material sensing module according to the present utility model;

in the figure: 1. a body; 2. rotating the platform; 3. a double-station material carrying plate; 4. bimetallic strip feeding mechanism; 401. an automatic feeding vibration disc A; 402. a first support rod; 403. a first fixing frame; 404. a first straight line module; 405. a first vertical cylinder; 406. a first pneumatic suction nozzle; 407. a C-shaped frame; 408. a first sliding table; 409. a material taking plate; 4091. a material taking groove; 410. a first horizontal cylinder; 411. a guide rod; 5. a conductive shell feeding mechanism; 501. an automatic feeding vibration disc B; 502. a second support rod; 503. a second straight line module; 504. a second vertical cylinder; 505. an air tap mounting plate; 506. a second horizontal cylinder; 507. a second pneumatic suction nozzle; 6. a welding mechanism; 601. a bottom plate; 602. a top plate; 603. a guide column; 604. a third vertical cylinder; 605. a transfer rod; 606. a second sliding table; 607. an upper vertical cylinder; 608. an upper weld head assembly; 609. a lower vertical cylinder; 610. a lower weld head assembly; 7. a material receiving mechanism; 701. a third supporting rod; 702. a third straight line module; 703. a fourth vertical cylinder; 704. a movable plate; 705. pneumatic clamping jaws; 706. a blanking slideway; 7061. a guide chute; 707. a receiving box; 8. a material sensing module; 801. a fourth supporting rod; 802. a sensor holder; 803. a photoelectric sensor; 9. bimetallic strip positioning fixture; 901. bimetallic strip standing groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that, in the present utility model, the electrical components are all conventional devices purchased in the market, and those skilled in the art can directly purchase or obtain the electrical components through private customization, and the working principle of the electrical components can be easily obtained from the prior art by those skilled in the art, which is not repeated here.

Referring to fig. 1-7, the present utility model provides the following technical solutions: an automatic welder for double-station thermal protector, comprising a machine body 1, further comprising:

the rotary platform 2 is rotatably arranged on the top surface of the machine body 1 by utilizing a cam divider, a plurality of double-station material carrying plates 3 which are uniformly distributed along the circumferential direction are arranged on the top surface of the rotary platform 2, two bimetallic strip positioning clamps 9 are arranged on the top surface of the double-station material carrying plates 3, bimetallic strip placing grooves 901 are formed in the top surfaces of the bimetallic strip positioning clamps 9 and are used for placing bimetallic strips, and the rotary platform 2 is rotatably arranged on the top surface of the machine body 1 by utilizing the cam divider, so that the rotary platform 2 can rotate at set rotation angle intervals, and the feeding, welding processing and discharging are met;

the bimetallic strip feeding mechanism 4 is arranged on the top surface of the machine body 1 and is used for placing bimetallic strips in the corresponding bimetallic strip placing grooves 901;

the conductive shell feeding mechanism 5 is arranged on the top surface of the machine body 1 and is used for placing the conductive shell above the bimetallic strip;

and the two welding mechanisms 6 are arranged on the top surface of the machine body 1 at intervals, and the two welding mechanisms 6 sequentially weld the bimetallic strip and the conductive shell on two adjacent stations, so that when the equipment works, the bimetallic strip feeding mechanism 4 is used for automatically feeding the bimetallic strip, the conductive shell feeding mechanism 5 is used for automatically feeding the conductive shell, so that the bimetallic strip and the conductive shell are pre-combined, and finally the welding is realized by the welding mechanism 6;

and the receiving mechanism 7 is arranged on the top surface of the machine body 1 and is used for recycling the welded bimetallic strip and conductive shell combined body.

As an alternative embodiment, as shown in fig. 1, fig. 2 and fig. 3, the bimetal feeding mechanism 4 includes:

the automatic feeding vibration disc A401 is arranged on the top surface of the machine body 1 and is used for continuously conveying bimetallic strip materials;

the first fixing frame 403 is arranged on the top surface of the machine body 1, a C-shaped frame 407 is arranged on the first fixing frame 403, a first sliding table 408 is distributed in the C-shaped frame 407, a guide rod 411 penetrating through the first sliding table 408 is fixed in the C-shaped frame 407, a material taking plate 409 is fixed on the first sliding table 408, two material taking grooves 4091 which are distributed at intervals are formed in the top end of the material taking plate 409 and used for accommodating two bimetallic strips, a first horizontal cylinder 410 is arranged on the end surface of the C-shaped frame 407, and a piston rod of the first horizontal cylinder 410 is fixedly connected with the first sliding table 408;

and a first support bar 402, which is disposed on the top surface of the machine body 1, wherein a first linear module 404 is mounted on the first support bar 402, a first vertical cylinder 405 is mounted on a sliding block of the first linear module 404, two first pneumatic suction nozzles 406 are mounted on piston rods of the first vertical cylinder 405 and are used for sucking and placing two bimetallic strips into the bimetallic strip placing grooves 901, therefore, the bimetallic strips are disposed in the automatic feeding vibration disk a401, vibration feeding is realized by the automatic feeding vibration disk a401, when the bimetallic strips reach the tail end of the automatic feeding vibration disk a401, the bimetallic strips enter the material taking grooves 4091, then the first horizontal cylinder 410 is started, the first sliding table 408 is pushed to move a certain distance along the horizontal direction, the other material taking groove 4091 is opposite to the tail end of the automatic feeding vibration disk a401, then the two bimetallic strips enter the two material taking grooves 4091 respectively, the first linear module 404 is started, the first pneumatic suction nozzles 406 are made to move to the right above the two bimetallic strips, the first vertical cylinder 405 is started to push the first pneumatic suction nozzles 406 to suck the two bimetallic strips down, and then the first bimetallic strips are made to be placed in the two linear modules 404 by the two bimetallic strips.

As an alternative embodiment, as shown in fig. 1, fig. 2 and fig. 4, in this embodiment, the conductive housing feeding mechanism 5 includes:

the automatic feeding vibration disc B501 is arranged on the top surface of the machine body 1 and is used for continuously conveying the conductive shell material;

and a second support rod 502, which is disposed on the top surface of the machine body 1, wherein a second linear module 503 is mounted on the second support rod 502, a second vertical cylinder 504 is mounted on a slider of the second linear module 503, a second air nozzle mounting plate 505 is mounted at the bottom end of a piston rod of the second vertical cylinder 504, a second horizontal cylinder 506 is mounted on the bottom surface of the air nozzle mounting plate 505, two second pneumatic nozzles 507 are mounted on the piston rod of the second horizontal cylinder 506 and used for sucking and placing two conductive shells on two bimetallic strips on the same double-station loading plate 3, the conductive shell material is placed in an automatic feeding vibration disk B501, vibration feeding is realized by the automatic feeding vibration disk B501, after the double-station loading plate 3 carrying the bimetallic strips rotates to the position of the conductive shell loading mechanism 5, the second horizontal cylinder 506 is started to adjust the horizontal position of the second pneumatic nozzles 507, the second linear module 503 is started to enable the second pneumatic nozzles 507 to move to the right above the two conductive shells, the second vertical cylinder 504 is started to push the second pneumatic nozzles 507 to move down and suck the two conductive shells, and then the second pneumatic nozzles 507 are matched with the second linear module 503 to be placed on the two conductive shells by the double-station linear module 503.

As an alternative embodiment, as shown in fig. 1 and 5, the welding mechanism 6 includes:

the bottom plate 601 is arranged on the top surface of the machine body 1, a guide upright post 603 is fixed on the top surface of the bottom plate 601, and a top plate 602 is arranged at the top end of the guide upright post 603;

the second sliding table 606 is distributed between the bottom plate 601 and the top plate 602, the guide upright post 603 penetrates through the second sliding table 606, and the switching rod 605 is fixed on the top surface of the second sliding table 606;

the third vertical air cylinder 604 is installed on the top surface of the top plate 602, and a piston rod of the third vertical air cylinder 604 penetrates through the top plate 602 and is fixedly connected with the switching rod 605;

and an upper vertical cylinder 607 mounted on the top surface of the top plate 602, a piston rod of the upper vertical cylinder 607 penetrating the top plate 602, and an upper welding head assembly 608 mounted at an end of the piston rod of the upper vertical cylinder 607;

and a lower vertical cylinder 609, which is installed on the bottom surface of the second sliding table 606, wherein a piston rod of the lower vertical cylinder 609 penetrates through the second sliding table 606, a lower welding head assembly 610 is installed at the end part of the piston rod of the lower vertical cylinder 609, the rotating platform 2 continues to rotate, when the conductive shell and the bimetallic strip rotate to the position of the welding mechanism 6, the third vertical cylinder 604, the upper vertical cylinder 607 and the lower vertical cylinder 609 are started, the upper welding head assembly 608 and the lower welding head assembly 610 approach to the inner side to realize welding, the current welding mechanism 6 can weld one group of workpieces on the double-station loading plate 3, and the other group of workpieces can be welded by the next group of welding mechanism 6 after the rotating platform 2 rotates, so that the double-station welding mode is realized.

As an alternative embodiment, as shown in fig. 1 and fig. 6, the material receiving mechanism 7 includes:

a third support rod 701, which is arranged on the top surface of the machine body 1, wherein a third linear module 702 is arranged on the third support rod 701, a fourth vertical cylinder 703 is arranged on a sliding block of the third linear module 702, a movable plate 704 is fixed on a piston rod of the fourth vertical cylinder 703, and a pneumatic clamping jaw 705 is arranged on the bottom surface of the movable plate 704 and used for clamping the welded bimetallic strip and conductive shell combination;

and a blanking slideway 706, which is arranged on the third support bar 701, wherein the bottom surface of the blanking slideway 706 is connected with a guide chute 7061, a receiving box 707 is configured below the guide chute 7061, after welding, the rotary platform 2 continues to rotate, the third linear module 702, the fourth vertical cylinder 703 and the pneumatic clamping jaw 705 are matched, the welded bimetallic strip and conductive shell combined body is clamped and placed in the blanking slideway 706, and a workpiece slides into the receiving box 707 below along the guide chute 7061 to receive materials.

As shown in fig. 1 and fig. 7, in this embodiment, the dual-station material loading plate 3 is used to transfer the materials, and before welding, the dual-station material loading plate 3 can be detected by using the two photoelectric sensors 803, and when in actual use, the welding machine can be provided with an acousto-optic integrated alarm lamp, when no bimetal is detected, the device automatically alarms and stops, because the technology is very common in the market and is the disclosed prior art, and the dual-station material loading plate 3 is not redundant.

The working principle and the using flow of the utility model are as follows: according to the double-station automatic thermal protector welding machine, the rotary platform 2 is rotatably arranged on the top surface of the machine body 1 by the cam divider, so that the rotary platform 2 can rotate at set rotation angle intervals;

the bimetallic strip is arranged in the automatic feeding vibration disc A401, vibration feeding is realized by the automatic feeding vibration disc A401, when the bimetallic strip reaches the tail end of the automatic feeding vibration disc A401, the bimetallic strip enters the material taking groove 4091, then the first horizontal cylinder 410 is started, the first horizontal cylinder 410 pushes the first sliding table 408 to move a certain distance along the horizontal direction, the other material taking groove 4091 is opposite to the tail end of the automatic feeding vibration disc A401, then the two bimetallic strips enter the two material taking grooves 4091 respectively, then the first linear module 404 is started, the first pneumatic suction nozzle 406 is moved to the position right above the two bimetallic strips, the first vertical cylinder 405 is started to push the first pneumatic suction nozzle 406 to move downwards to suck the two bimetallic strips, and then the two bimetallic strips are placed in the two bimetallic strip placing grooves 901 by the cooperation of the first vertical cylinder 405 and the first linear module 404;

the conductive shell material is placed in an automatic feeding vibration disc B501, vibration feeding is realized by the automatic feeding vibration disc B501, after a double-station material carrying plate 3 carrying bimetallic strips rotates to the position of a conductive shell feeding mechanism 5, a second horizontal cylinder 506 is started to adjust the horizontal position of a second pneumatic suction nozzle 507, a second linear module 503 is started to enable the second pneumatic suction nozzle 507 to move to the position right above two conductive shells, a second vertical cylinder 504 is started to push the second pneumatic suction nozzle 507 to move downwards to suck the two conductive shells, and then the two conductive shells are placed on the two bimetallic strips for combination by the cooperation of the second linear module 503, the second vertical cylinder 504 and the second horizontal cylinder 506;

when the conductive shell and the bimetallic strip rotate to the position of the welding mechanism 6, the third vertical cylinder 604, the upper vertical cylinder 607 and the lower vertical cylinder 609 are started, the upper welding head assembly 608 and the lower welding head assembly 610 approach to the workpieces towards the inner side, so that welding is realized, one group of workpieces on the double-station material carrying plate 3 can be welded by the current welding mechanism 6, and the other group of workpieces can be welded by the next group of welding mechanism 6 after the rotating platform 2 rotates, so that a double-station welding mode is realized;

after welding, the rotary platform 2 continues to rotate, the third linear module 702, the fourth vertical cylinder 703 and the pneumatic clamping jaw 705 are matched, the welded bimetallic strip and conductive shell combination is clamped and placed into the blanking slideway 706, and a workpiece slides into the lower receiving box 707 along the guiding slideway 7061 to be received.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (6)

1. Double-station thermal protector automatic welder, including organism (1), its characterized in that still includes:

the rotating platform (2) is rotatably arranged on the top surface of the machine body (1) by utilizing a cam divider, a plurality of double-station material carrying plates (3) which are distributed at equal intervals along the circumferential direction are arranged on the top surface of the rotating platform (2), two bimetallic strip positioning clamps (9) are arranged on the top surface of the double-station material carrying plates (3), and bimetallic strip placing grooves (901) are formed in the top surface of the bimetallic strip positioning clamps (9) and used for placing bimetallic strips;

the bimetallic strip feeding mechanism (4) is arranged on the top surface of the machine body (1) and is used for placing bimetallic strips in the corresponding bimetallic strip placing grooves (901);

the conductive shell feeding mechanism (5) is arranged on the top surface of the machine body (1) and is used for placing the conductive shell above the bimetallic strip;

the two welding mechanisms (6) are arranged on the top surface of the machine body (1) at intervals, and the two welding mechanisms (6) are used for sequentially welding the bimetallic strip and the conductive shell on the two adjacent stations;

and the receiving mechanism (7) is arranged on the top surface of the machine body (1) and is used for recycling the welded bimetallic strip and conductive shell combined body.

2. The automatic welder for double-station thermal protectors of claim 1, wherein: the bimetallic strip feeding mechanism (4) comprises:

the automatic feeding vibration disc A (401) is arranged on the top surface of the machine body (1) and is used for continuously conveying bimetallic strip materials;

the first fixing frame (403) is arranged on the top surface of the machine body (1), a C-shaped frame (407) is arranged on the first fixing frame (403), a first sliding table (408) is distributed in the C-shaped frame (407), a guide rod (411) penetrating through the first sliding table (408) is fixed in the C-shaped frame (407), a material taking plate (409) is fixed on the first sliding table (408), two material taking grooves (4091) which are distributed at intervals are formed in the top end of the material taking plate (409) and used for accommodating two bimetallic strips, a first horizontal cylinder (410) is arranged on the end surface of the C-shaped frame (407), and a piston rod of the first horizontal cylinder (410) is fixedly connected with the first sliding table (408);

and a first support rod (402) is arranged on the top surface of the machine body (1), a first linear module (404) is arranged on the first support rod (402), a first vertical cylinder (405) is arranged on a sliding block of the first linear module (404), and two first pneumatic suction nozzles (406) are arranged on a piston rod of the first vertical cylinder (405) and used for sucking and placing two bimetallic strips into the bimetallic strip placing groove (901).

3. The automatic welder for double-station thermal protectors of claim 1, wherein: the conductive shell feeding mechanism (5) comprises:

the automatic feeding vibration disc B (501) is arranged on the top surface of the machine body (1) and is used for continuously conveying conductive shell materials;

and No. two bracing pieces (502) are arranged on the top surface of the machine body (1), no. two linear modules (503) are arranged on the No. two bracing pieces (502), no. two vertical cylinders (504) are arranged on the sliding blocks of the No. two linear modules (503), air tap mounting plates (505) are arranged at the bottom ends of piston rods of the No. two vertical cylinders (504), no. two horizontal cylinders (506) are arranged on the bottom surfaces of the air tap mounting plates (505), and two No. two pneumatic suction nozzles (507) are arranged on the piston rods of the No. two horizontal cylinders (506) and are used for sucking and placing two conductive shells on two bimetallic strips on the same double-station loading plate (3).

4. The automatic welder for double-station thermal protectors of claim 1, wherein: the welding mechanism (6) comprises:

the bottom plate (601) is arranged on the top surface of the machine body (1), a guide upright post (603) is fixed on the top surface of the bottom plate (601), and a top plate (602) is arranged at the top end of the guide upright post (603);

the second sliding table (606) is distributed between the bottom plate (601) and the top plate (602), the guide upright posts (603) penetrate through the second sliding table (606), and a switching rod (605) is fixed on the top surface of the second sliding table (606);

the third vertical air cylinder (604) is arranged on the top surface of the top plate (602), and a piston rod of the third vertical air cylinder (604) penetrates through the top plate (602) and is fixedly connected with the switching rod (605);

the upper vertical cylinder (607) is arranged on the top surface of the top plate (602), a piston rod of the upper vertical cylinder (607) penetrates through the top plate (602), and an upper welding head assembly (608) is arranged at the end part of the piston rod of the upper vertical cylinder (607);

and a lower vertical air cylinder (609) which is arranged on the bottom surface of the second sliding table (606), a piston rod of the lower vertical air cylinder (609) penetrates through the second sliding table (606), and a lower welding head assembly (610) is arranged at the end part of the piston rod of the lower vertical air cylinder (609).

5. The automatic welder for double-station thermal protectors of claim 1, wherein: the material receiving mechanism (7) comprises:

the third support rod (701) is arranged on the top surface of the machine body (1), a third linear module (702) is arranged on the third support rod (701), a fourth vertical cylinder (703) is arranged on a sliding block of the third linear module (702), a movable plate (704) is fixed on a piston rod of the fourth vertical cylinder (703), and a pneumatic clamping jaw (705) is arranged on the bottom surface of the movable plate (704) and used for clamping the welded bimetallic strip and conductive shell assembly;

and a blanking slide way (706) is arranged on the third supporting rod (701), the bottom surface of the blanking slide way (706) is connected with a guide slide way (7061), and a receiving box (707) is arranged below the guide slide way (7061).

6. The automatic welder for double-station thermal protectors of claim 1, wherein: still including material response module (8), just there is material response module (8) including No. four bracing pieces (801), no. four bracing pieces (801) are fixed the top surface of organism (1) sensor mount (802) are installed on the top of No. four bracing pieces (801), and photoelectric sensor (803) are all installed on the top and the bottom of sensor mount (802), duplex position carries flitch (3) and passes from the inboard of two photoelectric sensor (803) in the transfer process.