Auxiliary manipulator for welding processing of flexible circuit board

Abstract

The invention provides an auxiliary manipulator for welding processing of a flexible circuit board, which relates to the technical field of manipulators and comprises a driving mechanism, a mounting mechanism, a limiting mechanism and a protection mechanism, the mounting mechanism is mounted on the driving mechanism; the manipulator main body is mounted on the mounting mechanism through screws; and the number of the limiting mechanisms is two, and the two limiting mechanisms are mounted at the top of the mounting mechanism and used for preventing the manipulator body from shaking. According to the auxiliary manipulator for welding processing of the flexible circuit board, when the motor works, the mounting sliding block and the movable connecting block drive the manipulator main body to move, so that multi-station assistance is realized, and the welding efficiency of the flexible circuit board is favorably improved; the problem that the flexible circuit board to be welded is generally installed on a welding workbench through screws, only one welding device can be assisted to work, and the flexible circuit board to be welded cannot be placed on two welding devices at the same time is solved.

Description

Technical Field

[0001] The present invention belongs to the technical field of robots, and more specifically, relates to an auxiliary robot for welding flexible circuit boards. Background Art

[0002] A robot is an automatic operating device that can imitate certain movements of human hands and arms and is used to grab, move objects or operate tools according to a fixed procedure. In order to improve the welding efficiency of flexible circuit boards, the flexible circuit boards to be welded are usually placed in the welding area by a robot.

[0003] As disclosed in the publication number CN116673660B, a welding auxiliary robotic arm for hardware is disclosed, which is used to realize multi-angle automatic welding of the robotic arm body. A turntable is fixed at the bottom of the robotic arm body, a rotating shaft is fixed at the bottom of the turntable, a bottom box is provided on the outside of the rotating shaft, a rotating motor is installed inside the bottom box, the rotating shaft is rotatably connected to the inside of the bottom box through a bearing and one end of the rotating shaft is fixedly connected to the output end of the rotating motor, four groups of exhaust mechanisms are evenly distributed inside the bottom box and on the outside of the rotating shaft. When the robotic arm is working, the rotation of the turntable can provide torque to the transmission mechanism, and then through the synchronous operation of multiple groups of exhaust mechanisms, the hot air flow outside the rotating shaft that drives the turntable to rotate can be quickly extracted and discharged to the outside of the bottom box, thereby realizing rapid exchange between the hot air flow and the outside air. In addition, the rotating shaft is lubricated by the lubrication mechanism while exhausting and dissipating heat, thereby reducing wear and improving the rotation accuracy of the rotating shaft.

[0004] Based on the technical solutions of the above-mentioned patents and related prior arts, the currently used manipulators still have the following problems: 1. They are generally installed on a welding workbench by screws and can only assist one welding device in working. They cannot place the flexible circuit boards to be welded on two welding devices at the same time, which reduces the welding efficiency of the flexible circuit boards; 2. After the manipulator has been used for a long time, the mounting screws are prone to loosening, causing the manipulator to shake easily when in use, reducing the placement accuracy of the flexible circuit boards; 3. Although some manipulators are installed with a protective net structure, if the manipulator forgets to reset the protective net structure after maintenance or replacement, the manipulator can still be used normally, resulting in poor utilization of the protective net structure and reduced protection effect. Summary of the Invention

[0005] The disclosed embodiments relate to an auxiliary robot for flexible circuit board welding processing, which has a driving mechanism, an installation mechanism, a limiting mechanism and a protective mechanism; when the motor is working, the installation slider and the movable connecting block drive the robot body to move, realizing multi-station assistance, which is beneficial to improving the welding efficiency of the flexible circuit board; it has a limiting effect on the installation screws on the robot body, avoiding the installation screws on the robot body from loosening, and preventing the robot body from shaking during use; it avoids the situation of working without installing a protective structure, and improves the protection effect.

[0006] In a first aspect of the present disclosure, there is provided an auxiliary robot for flexible circuit board welding processing, which specifically includes a driving mechanism, a mounting mechanism, a robot body, a limiting mechanism, and a protection mechanism; the mounting mechanism is mounted on the driving mechanism; the robot body is mounted on the mounting mechanism by screws;

[0007] There are two sets of limit mechanisms, and the two sets of limit mechanisms are installed on the top of the mounting mechanism. The two sets of limit mechanisms are used to prevent the manipulator body from shaking; the protection mechanism is installed on the top of the driving mechanism, and the protection mechanism is used to protect the operator;

[0008] The driving mechanism includes: a guide rail and a pushing bracket; the guide rail is provided with two positioning slots; there are two pushing brackets in total, and the two pushing brackets are fixedly installed on the top of the guide rail.

[0009] Among them, the driving mechanism also includes: a driving screw and a motor; the driving screw is rotatably installed on the guide rail; the motor is installed on the right side of the guide rail through a screw, and the output shaft of the motor is fixedly connected to the right end of the driving screw.

[0010] The above-mentioned installation mechanism includes: an installation slider and a circular guide shaft; the installation slider is slidably installed on the guide rail; there are two circular guide shafts, and the two circular guide shafts are fixedly installed on the installation slider.

[0011] Furthermore, the mounting mechanism also includes: a movable connecting block and a support spring A; the movable connecting block is slidably mounted on the outside of the two circular guide shafts, and the movable connecting block is also threadedly connected to the driving screw; there are four support springs A in total, and the four support springs A are mounted on the outside of the two circular guide shafts, and the four support springs A are located on the left and right sides of the movable connecting block.

[0012] Furthermore, the mounting mechanism also includes: a movable positioning cover and a support spring B; the movable positioning cover is slidably installed inside the mounting slider, and the bottom of the movable positioning cover is tangent to the guide rail, and the bottom of the movable positioning cover matches the positioning slot; the support spring B is installed inside the movable positioning cover.

[0013] The above-mentioned limiting mechanism includes: a rectangular mounting plate, a limiting bracket and a limiting frame; the rectangular mounting plate is fixedly mounted on the top of the mounting slider; the limiting bracket is slidably mounted on the outside of the rectangular mounting plate, and the bottom of the limiting bracket contacts the screws on the manipulator body; there are two limiting frames in total, and the two limiting frames are fixedly mounted on the outside of the rectangular mounting plate, and the inner sides of the two limiting frames contact the limiting brackets.

[0014] Furthermore, the limiting mechanism also includes: a circular reset rod and a support spring C; the circular reset rod is fixedly mounted on the limiting bracket, and the circular reset rod is also slidably connected to the rectangular mounting plate; there are two support springs C, and the two support springs C are mounted on the outside of the circular reset rod, and the two support springs C are located on the front and rear sides of the rectangular mounting plate.

[0015] The above-mentioned protection mechanism includes: a circular mounting rod, a supporting ring and a protection frame; there are two circular mounting rods, and the two circular mounting rods are fixedly mounted on the top of the guide rail; there are two supporting rings, and the two supporting rings are fixedly mounted on the outside of the two circular mounting rods; the protection frame is slidably mounted on the outside of the two circular mounting rods, and the bottom of the protection frame contacts the two supporting rings, and a storage groove is provided on the top of the protection frame. The protection mechanism also includes: a protection net, a circular mounting shaft and a storage plate; the protection net is fixedly mounted on the protection frame; there are two circular mounting shafts, and the two circular mounting shafts are slidably mounted on the protection frame, and the two The bottom of each circular mounting shaft contacts the guide rail; the storage plate is fixedly mounted on the top of the two circular mounting shafts, and the storage plate is the same size as the storage groove, and the protection mechanism also includes: a control button, a limit clamp and a support spring D; the control buttons are arranged in a row, and a row of control buttons is fixedly mounted inside the storage plate, and a row of control buttons is used to control the motor and the manipulator body; there are two limit clamps, and the two limit clamps are fixedly mounted on the outside of the two circular mounting shafts; there are two support springs D, and the two support springs D are mounted on the outside of the two circular mounting shafts, and the two support springs D are located between the protective frame and the two limit clamps.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] 1. In the present invention, when the motor is working, the mounting slider and the movable connecting block drive the robot body to move, realizing multi-station assistance, which is beneficial to improving the welding efficiency of the flexible circuit board; when the robot body moves to the auxiliary position, the movable positioning cover can drive the mounting slider to move to the center of the positioning slot, thereby improving the movement accuracy of the robot body.

[0018] 2. The present invention has a limiting effect on the mounting screws on the manipulator body, thereby preventing the mounting screws on the manipulator body from loosening and preventing the manipulator body from shaking during use; when the two limiting brackets are in contact with one of the pushing brackets, the pushing bracket can push the two limiting brackets to move, making it convenient for the staff to tighten or loosen the mounting screws on the manipulator body, and facilitating the subsequent installation and disassembly of the manipulator body.

[0019] 3. The present invention has a protective effect and reduces safety hazards. When the protective frame is forgotten to be installed on the robot body after maintenance, the storage plate can automatically move to the storage groove under the action of two supporting springs D, thereby storing a row of control buttons. At this time, the operation cannot start the motor and the robot body, avoiding the situation of working without installing the protective structure, thereby improving the protection effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings of the embodiments are briefly introduced below.

[0021] The drawings described below only relate to some embodiments of the present invention, rather than limiting the present invention.

[0022] In the attached figure:

[0023] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention.

[0024] Figure 2 This invention Figure 1 Schematic diagram of the main viewing perspective structure.

[0025] Figure 3 It is a structural schematic diagram of the driving mechanism of the present invention.

[0026] Figure 4 This invention Figure 1 Schematic diagram of the central cross-section structure.

[0027] Figure 5 It is a structural schematic diagram of the installation mechanism of the present invention.

[0028] Figure 6 This invention Figure 4 Schematic diagram of the locally enlarged structure of area A in the middle.

[0029] Figure 7 This invention Figure 1 Schematic diagram of the locally enlarged structure of area B in the middle.

[0030] Figure 8 It is a structural diagram of the protection mechanism of the present invention.

[0031] Figure 9It is a schematic diagram of the central cross-section structure of the protection mechanism of the present invention.

[0032] Figure 10 This invention Figure 9 Schematic diagram of the locally enlarged structure of the middle C area.

[0033] Figure 11 This invention Figure 1 Schematic diagram of the locally enlarged structure of area D in the middle.

[0034] List of reference numerals:

[0035] 1. Driving mechanism; 101. Guide rail; 1011. Positioning slot; 102. Pushing bracket; 103. Driving screw; 104. Motor;

[0036] 2. Mounting mechanism; 201. Mounting slider; 202. Circular guide shaft; 203. Active connecting block; 204. Support spring A; 205. Active positioning cover; 206. Support spring B;

[0037] 3. Robot body;

[0038] 4. Limiting mechanism; 401. Rectangular mounting plate; 402. Limiting bracket; 403. Limiting frame; 404. Circular reset lever; 405. Support spring C;

[0039] 5. Protection mechanism; 501. Circular mounting rod; 502. Support ring; 503. Protection frame; 5031. Storage groove; 504. Protection net; 505. Circular mounting shaft; 506. Storage plate; 507. Control button; 508. Limiting collar; 509. Support spring D. DETAILED DESCRIPTION

[0040] In order to make the purpose, scheme and advantages of the technical solution of the present invention more clear, the technical solution of the embodiment of the present invention will be clearly and completely described below in conjunction with the drawings of specific embodiments of the present invention. Unless otherwise specified, the terms used herein have the common meanings in the art. The same reference numerals in the drawings represent the same components.

[0041] Example: Please refer to Figures 1 to 11 As shown: The present invention provides an auxiliary manipulator for flexible circuit board welding processing, including a driving mechanism 1, a mounting mechanism 2, a manipulator body 3, a limiting mechanism 4 and a protection mechanism 5; the mounting mechanism 2 is mounted on the driving mechanism 1; the manipulator body 3 is mounted on the mounting mechanism 2 by screws;

[0042] There are two sets of limiting mechanisms 4, and the two sets of limiting mechanisms 4 are installed on the top of the mounting mechanism 2. The two sets of limiting mechanisms 4 are used to prevent the manipulator body 3 from shaking; the protection mechanism 5 is installed on the top of the driving mechanism 1, and the protection mechanism 5 is used to protect the operating workers.

[0043] In the embodiment of the present disclosure, Figures 3 to 6 As shown, the drive mechanism 1 includes: a guide rail 101 and a push bracket 102; the guide rail 101 is provided with two positioning slots 1011; there are two push brackets 102, and the two push brackets 102 are fixedly mounted on the top of the guide rail 101; the drive mechanism 1 also includes: a driving screw 103 and a motor 104; the driving screw 103 is rotatably mounted on the guide rail 101; the motor 104 is mounted on the right side of the guide rail 101 by screws, and the output shaft of the motor 104 is fixedly connected to the right end of the driving screw 103;

[0044] The mounting mechanism 2 includes: a mounting slider 201 and a circular guide shaft 202; the mounting slider 201 is slidably mounted on the guide rail 101; there are two circular guide shafts 202, and the two circular guide shafts 202 are fixedly mounted on the mounting slider 201; the mounting mechanism 2 also includes: a movable connecting block 203 and a support spring A204; the movable connecting block 203 is slidably mounted on the outside of the two circular guide shafts 202, and the movable connecting block 203 is also threadedly connected to the driving screw 103; there are four support springs A204, and Four support springs A204 are mounted on the outside of the two circular guide shafts 202 and are located on the left and right sides of the movable connecting block 203. The mounting mechanism 2 further includes a movable positioning cover 205 and support springs B206. The movable positioning cover 205 is slidably mounted inside the mounting slider 201, with the bottom of the movable positioning cover 205 being tangential to the guide rail 101 and matching the bottom of the movable positioning cover 205 with the positioning slot 1011. The support springs B206 are mounted inside the movable positioning cover 205.

[0045] Its specific function is: because the movable connecting block 203 is slidably installed on the outside of the two circular guide shafts 202, and the movable connecting block 203 is also threadedly connected to the driving screw 103, when the motor 104 is working, the mounting slider 201 and the movable connecting block 203 drive the manipulator body 3 to move, realizing multi-station assistance, which is beneficial to improving the welding efficiency of the flexible circuit board, and because the movable positioning cover 205 is slidably installed on the inside of the mounting slider 201, and the bottom of the movable positioning cover 205 matches the positioning slot 1011, and the elastic force of the support spring B206 is greater than the elastic force of the two support springs A204, when the manipulator body 3 moves to the auxiliary position, the movable positioning cover 205 can drive the mounting slider 201 to move to the center of the positioning slot 1011, thereby improving the movement accuracy of the manipulator body 3.

[0046] In the embodiment of the present disclosure, Figure 7 As shown, the limiting mechanism 4 includes: a rectangular mounting plate 401, a limiting bracket 402 and a limiting frame 403; the rectangular mounting plate 401 is fixedly mounted on the top of the mounting slider 201; the limiting bracket 402 is slidably mounted on the outside of the rectangular mounting plate 401, and the bottom of the limiting bracket 402 contacts the screw on the manipulator body 3; there are two limiting frames 403, and the two limiting frames 403 are fixedly mounted on the outside of the rectangular mounting plate 401, and the inner sides of the two limiting frames 403 contact the limiting bracket 402; the limiting mechanism 4 also includes: a circular reset rod 404 and a support spring C405; the circular reset rod 404 is fixedly mounted on the limiting bracket 402, and the circular reset rod 404 is also slidably connected to the rectangular mounting plate 401; there are two support springs C405, and the two support springs C405 are mounted on the outside of the circular reset rod 404, and the two support springs C405 are located on the front and back sides of the rectangular mounting plate 401;

[0047] Its specific function is: because the two limit brackets 402 are slidably installed on the outside of the two rectangular mounting plates 401, and the bottoms of the two limit brackets 402 are in contact with the screws on the manipulator body 3, the mounting screws on the manipulator body 3 are limited, thereby avoiding the mounting screws on the manipulator body 3 from loosening and preventing the manipulator body 3 from shaking during use. In addition, because the four support springs C405 are installed on the outside of the two circular reset rods 404, and the four support springs C405 are located on the front and back sides of the two rectangular mounting plates 401, and the two pushing brackets 102 are fixedly installed on the top of the guide rail 101, when the two limit brackets 402 are in contact with one of the pushing brackets 102, the pushing bracket 102 can push the two limit brackets 402 to move, which is convenient for the staff to tighten or loosen the mounting screws on the manipulator body 3 and facilitate the subsequent installation and disassembly of the manipulator body 3.

[0048] In the embodiment of the present disclosure, Figures 8 to 11As shown, the protection mechanism 5 includes: a circular mounting rod 501, a supporting ring 502 and a protection frame 503; there are two circular mounting rods 501, and the two circular mounting rods 501 are fixedly mounted on the top of the guide rail 101; there are two supporting rings 502, and the two supporting rings 502 are fixedly mounted on the outside of the two circular mounting rods 501; the protection frame 503 is slidably mounted on the outside of the two circular mounting rods 501, and the bottom of the protection frame 503 is in contact with the two supporting rings 502, and a storage groove 5031 is provided on the top of the protection frame 503; the protection mechanism 5 also includes: a protection net 504, a circular mounting shaft 505 and a storage plate 506; the protection net 504 is fixedly mounted on the protection frame 503; there are two circular mounting shafts 505, and the two circular mounting shafts 505 are slidably mounted on the protection frame 503, and the two The bottom of the circular mounting shaft 505 contacts the guide rail 101; the storage plate 506 is fixedly mounted on the top of the two circular mounting shafts 505, and the storage plate 506 is the same size as the storage groove 5031; the protection mechanism 5 also includes: a control button 507, a limit collar 508 and a support spring D509; the control buttons 507 are provided in a row, and the row of control buttons 507 is fixedly mounted inside the storage plate 506, and the row of control buttons 507 is used to control the motor 104 and the manipulator body 3; there are two limit collars 508, and the two limit collars 508 are fixedly mounted on the outside of the two circular mounting shafts 505; there are two support springs D509, and the two support springs D509 are mounted on the outside of the two circular mounting shafts 505, and the two support springs D509 are located between the protective frame 503 and the two limit collars 508;

[0049] Its specific function is: because the protective frame 503 is slidably installed on the outside of the two circular mounting rods 501, and the protective net 504 is fixedly installed on the protective frame 503, it has a protective effect and reduces safety hazards. Because a storage groove 5031 is provided on the top of the protective frame 503, and the storage plate 506 is the same size as the storage groove 5031, and the two supporting springs D509 are located between the protective frame 503 and the two limit clamps 508, when the manipulator body 3 forgets to install the protective frame 503 after maintenance, the storage plate 506 can automatically move to the storage groove 5031 under the action of the two supporting springs D509, and has a storage effect on a row of control buttons 507. At this time, the operation cannot start the motor 104 and the manipulator body 3, avoiding the situation where work is carried out without installing the protective structure, thereby improving the protection effect.

[0050] The specific usage and function of this embodiment are as follows:

[0051] When the present invention is used, the staff first welds the guide rail 101 on the flexible circuit board welding workbench, and then starts the motor 104 and the manipulator body 3. When the motor 104 is working, the installation slide block 201 and the movable connecting block 203 drive the manipulator body 3 to move, realizing multi-station assistance, which is beneficial to improving the welding efficiency of the flexible circuit board. When the manipulator body 3 moves to the auxiliary position, the movable positioning cover 205 can drive the installation slide block 201 to move to the center of the positioning slot 1011, thereby improving the movement accuracy of the manipulator body 3; the setting of the two limiting brackets 402 has a limiting effect on the mounting screws on the manipulator body 3, thereby avoiding the mounting screws on the manipulator body 3 from loosening and preventing the manipulator body 3 from shaking during use; the setting of the protective frame 503 and the protective net 504 has a protective effect and reduces safety hazards;

[0052] When the manipulator body 3 needs to be replaced or repaired, the staff will move the protective frame 503 upward to separate the protective frame 503 from the two circular mounting rods 501. Then the staff will move the mounting slide 201 through the motor 104 to make the mounting slide 201 contact with one of the pushing brackets 102. At this time, the pushing bracket 102 can push the two limit brackets 402 to move, making it convenient for the staff to tighten or loosen the mounting screws on the manipulator body 3, thereby facilitating the subsequent installation and disassembly of the manipulator body 3; then the staff will slide the protective frame 503 to the outside of the two circular mounting rods 501 so that the bottom of the protective frame 503 contacts the two supporting rings 502. When the manipulator body 3 forgets to install the protective frame 503 after maintenance, the storage plate 506 can automatically move to the storage groove 5031 under the action of the two supporting springs D509, thereby storing a row of control buttons 507. At this time, the operation cannot start the motor 104 and the manipulator body 3, avoiding the situation where work is carried out without installing the protective structure, thereby improving the protection effect.

[0053] In this article, there are several points to note:

[0054] 1. The drawings of the embodiments of the present disclosure only relate to the structures related to the embodiments of the present disclosure. Other structures may refer to conventional designs.

[0055] 2. In the absence of conflict, the embodiments of the present disclosure and the features therein may be combined with each other to form new embodiments.

[0056] The above are only specific embodiments of the present disclosure, but the scope of protection of the present disclosure is not limited thereto. Any changes or substitutions that can be easily conceived by a person skilled in the art within the technical scope disclosed in this disclosure should be included in the scope of protection of the present disclosure. Therefore, the scope of protection of the present disclosure should be based on the scope of protection of the claims.

Claims

1. An auxiliary manipulator for flexible circuit board welding processing, comprising a driving mechanism (1), a mounting mechanism (2), a manipulator body (3), a limiting mechanism (4) and a protection mechanism (5); characterized in that: The mounting mechanism (2) is mounted on the driving mechanism (1); the manipulator body (3) is mounted on the mounting mechanism (2) via screws; There are two sets of the limiting mechanisms (4), and the two sets of limiting mechanisms (4) are installed on the top of the installation mechanism (2). The two sets of limiting mechanisms (4) are used to prevent the manipulator body (3) from shaking. The protection mechanism (5) is installed on the top of the driving mechanism (1). The protection mechanism (5) is used to protect the operator. The driving mechanism (1) comprises: a guide rail (101) and a pushing bracket (102); two positioning slots (1011) are provided on the guide rail (101); and two pushing brackets (102) are provided, and the two pushing brackets (102) are fixedly mounted on the top of the guide rail (101).

2. The auxiliary manipulator for flexible circuit board welding processing according to claim 1, characterized in that: The driving mechanism (1) further comprises: a driving screw (103) and a motor (104); the driving screw (103) is rotatably mounted on the guide rail (101); the motor (104) is mounted on the right side of the guide rail (101) via screws, and the output shaft of the motor (104) is fixedly connected to the right end of the driving screw (103).

3. The auxiliary robot for flexible circuit board welding processing according to claim 2, characterized in that: The mounting mechanism (2) comprises: a mounting slider (201) and a circular guide shaft (202); the mounting slider (201) is slidably mounted on the guide rail (101); two circular guide shafts (202) are provided, and the two circular guide shafts (202) are fixedly mounted on the mounting slider (201).

4. The auxiliary robot for flexible circuit board welding processing according to claim 3, characterized in that: The mounting mechanism (2) further comprises: a movable connection block (203) and a support spring A (204); the movable connection block (203) is slidably mounted on the outside of the two circular guide shafts (202), and the movable connection block (203) is also threadedly connected to the driving screw (103); a total of four support springs A (204) are provided, and the four support springs A (204) are mounted on the outside of the two circular guide shafts (202), and the four support springs A (204) are located on the left and right sides of the movable connection block (203).

5. The auxiliary robot for flexible circuit board welding processing according to claim 4, characterized in that: The mounting mechanism (2) further comprises: a movable positioning cover (205) and a support spring B (206); the movable positioning cover (205) is slidably mounted inside the mounting slider (201), and the bottom of the movable positioning cover (205) is tangent to the guide rail (101), and the bottom of the movable positioning cover (205) matches the positioning slot (1011); the support spring B (206) is mounted inside the movable positioning cover (205).

6. The auxiliary manipulator for flexible circuit board welding processing according to claim 3, characterized in that: The limiting mechanism (4) comprises: a rectangular mounting plate (401), a limiting bracket (402) and a limiting frame (403); the rectangular mounting plate (401) is fixedly mounted on the top of the mounting slider (201); the limiting bracket (402) is slidably mounted on the outside of the rectangular mounting plate (401), and the bottom of the limiting bracket (402) contacts the screw on the manipulator body (3); there are two limiting frames (403), and the two limiting frames (403) are fixedly mounted on the outside of the rectangular mounting plate (401), and the inner sides of the two limiting frames (403) contact the limiting bracket (402).

7. The auxiliary robot for flexible circuit board welding processing according to claim 6, characterized in that: The limiting mechanism (4) further comprises: a circular reset rod (404) and a support spring C (405); the circular reset rod (404) is fixedly mounted on the limiting bracket (402), and the circular reset rod (404) is also slidably connected to the rectangular mounting plate (401); a total of two support springs C (405) are provided, and the two support springs C (405) are mounted outside the circular reset rod (404), and the two support springs C (405) are located on the front and rear sides of the rectangular mounting plate (401).

8. The auxiliary robot for flexible circuit board welding processing according to claim 2, characterized in that: The protection mechanism (5) comprises: a circular mounting rod (501), a supporting ring (502) and a protection frame (503); there are two circular mounting rods (501), and the two circular mounting rods (501) are fixedly mounted on the top of the guide rail (101); there are two supporting rings (502), and the two supporting rings (502) are fixedly mounted on the outside of the two circular mounting rods (501); the protection frame (503) is slidably mounted on the outside of the two circular mounting rods (501). The bottom of the protective frame (503) contacts the two supporting rings (502), and the top of the protective frame (503) is provided with a receiving groove (5031). The protective mechanism (5) further comprises: a protective net (504), a circular mounting shaft (505) and a receiving plate (506); the protective net (504) is fixedly mounted on the protective frame (503); there are two circular mounting shafts (505), and the two circular mounting shafts (505) are slidably mounted on the protective frame (503), and the two The bottom of the circular mounting shaft (505) contacts the guide rail (101); the receiving plate (506) is fixedly mounted on the top of the two circular mounting shafts (505), and the receiving plate (506) is the same size as the receiving groove (5031). The protection mechanism (5) further includes: a control button (507), a limit collar (508) and a support spring D (509); the control buttons (507) are arranged in a row, and the row of control buttons (507) is fixedly mounted inside the receiving plate (506). , and a row of control buttons (507) is used to control the motor (104) and the manipulator body (3); there are two limit collars (508), and the two limit collars (508) are fixedly installed on the outside of the two circular mounting shafts (505); there are two support springs D (509), and the two support springs D (509) are installed on the outside of the two circular mounting shafts (505), and the two support springs D (509) are located between the protective frame (503) and the two limit collars (508).

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