An auxiliary robot for flexible circuit board welding

Abstract

This invention provides an auxiliary robot for flexible circuit board (PCB) welding, relating to the field of robot technology. It includes a drive mechanism, a mounting mechanism, a limiting mechanism, and a protection mechanism. The mounting mechanism is mounted on the drive mechanism. The robot body is mounted on the mounting mechanism with screws. Two sets of limiting mechanisms are provided, and both sets are mounted on top of the mounting mechanism to prevent the robot body from shaking. When the motor is running, the mounting slider and movable connecting block move the robot body, enabling multi-station assistance and improving the welding efficiency of PCBs. This invention solves the problem that conventionally, PCBs mounted on a welding worktable with screws can only assist one welding device and cannot simultaneously place PCBs to be welded on two welding devices.

Description

Technical Field

[0001] This invention belongs to the field of robotic arm technology, and more specifically, relates to an auxiliary robotic arm for flexible circuit board welding processing. Background Technology

[0002] A robotic arm is an automated operating device that can mimic certain movements and functions of a human hand and arm to grasp, move objects, or operate tools according to a fixed program. To improve the welding efficiency of flexible circuit boards, a robotic arm is usually used to place the flexible circuit board to be welded in the welding area.

[0003] For example, CN116673660B discloses a welding auxiliary robotic arm for hardware parts, which is used to realize multi-angle automatic welding. The robotic arm body has a turntable fixed at the bottom of the robotic arm body, and a rotating shaft fixed at the bottom of the turntable. A base box is provided on the outside of the rotating shaft. A rotary motor is installed inside the base box. The rotating shaft is rotatably connected to the inside of the base box through bearings, and one end of it is fixedly connected to the output end of the rotary motor. Four sets of exhaust mechanisms are evenly distributed inside the base box and on the outside of the rotating shaft. When the robotic arm is working, the rotation of the turntable provides torque to the transmission mechanism. Then, through the synchronous operation of multiple sets of exhaust mechanisms, the hot airflow on the outside of the rotating shaft that drives the turntable to rotate is quickly extracted and discharged to the outside of the base box, realizing rapid exchange between the hot airflow and the outside air. In addition, by using a lubrication mechanism to replenish oil lubrication to the rotating shaft while exhausting heat dissipation, wear is reduced and the rotational accuracy of the rotating shaft is improved.

[0004] Based on the technical solutions of the aforementioned patents and related existing technologies, the currently used robotic arms still have the following problems: 1. They are generally installed on the welding workbench with screws, and can only assist one welding device in operation. They cannot simultaneously place flexible circuit boards to be welded on two welding devices, thus reducing the welding efficiency of flexible circuit boards; 2. After prolonged use, the mounting screws of the robotic arm are prone to loosening, causing the robotic arm to wobble during use and reducing the placement accuracy of the flexible circuit boards; 3. Although some robotic arms are equipped with protective net structures, the robotic arm can still be used normally if the protective net structure is not reset after maintenance or replacement, resulting in poor utilization of the protective net structure and reduced protection effect. Summary of the Invention

[0005] This disclosure relates to an auxiliary robot for flexible circuit board welding, which includes a drive mechanism, a mounting mechanism, a limiting mechanism, and a protection mechanism. When the motor is working, the mounting slider and the movable connecting block drive the robot body to move, realizing multi-station assistance and improving the welding efficiency of flexible circuit boards. The mounting screws on the robot body are limited, preventing them from loosening and preventing the robot body from shaking during use. The robot body is protected from operating without a protective structure, thus improving the protection effect.

[0006] In a first aspect, this disclosure provides an auxiliary robot for flexible circuit board welding, specifically including a drive mechanism, a mounting mechanism, a robot body, a limiting mechanism, and a protection mechanism; the mounting mechanism is mounted on the drive mechanism; the robot body is mounted on the mounting mechanism by screws.

[0007] The limiting mechanism consists of two sets, which are installed on the top of the mounting mechanism. The two sets of limiting mechanisms are used to prevent the robot arm body from shaking. The protection mechanism is installed on the top of the drive mechanism and is used to protect the operator.

[0008] The driving mechanism includes a guide rail and a push bracket; the guide rail has two positioning slots; there are two push brackets, and the two push brackets are fixedly installed on the top of the guide rail.

[0009] The drive mechanism further includes a drive screw and a motor; the drive screw is rotatably mounted on the guide rail; the motor is mounted on the right side of the guide rail by screws, and the output shaft of the motor is fixedly connected to the right end of the drive screw.

[0010] The aforementioned 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 drive 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 mounted 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 mounted inside the movable positioning cover.

[0013] The aforementioned 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 is in contact with the screw on the robot body; there are two limiting frames, 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 are in contact with the limiting bracket.

[0014] Furthermore, the limiting mechanism also includes: a circular reset rod and a support spring C; the circular reset rod is fixedly installed 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 installed outside 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 aforementioned protective mechanism includes: two circular mounting rods, two supporting rings, and a protective frame; two circular mounting rods are provided, and the two circular mounting rods are fixedly installed on the top of the guide rail; two supporting rings are provided, and the two supporting rings are fixedly installed on the outside of the two circular mounting rods; the protective frame is slidably installed on the outside of the two circular mounting rods, and the bottom of the protective frame contacts the two supporting rings, and the top of the protective frame has a storage groove. The protective mechanism also includes: a protective net, two circular mounting shafts, and a storage plate; the protective net is fixedly installed on the protective frame; two circular mounting shafts are provided, and the two circular mounting shafts are slidably installed on the protective frame, and the top of the protective frame has a storage groove. The bottom of each circular mounting shaft contacts the guide rail; the storage plate is fixedly installed on the top of the two circular mounting shafts, and the storage plate is the same size as the storage groove. The protection mechanism also includes: control buttons, limit rings, and support springs D; the control buttons are arranged in a row, and one row of control buttons is fixedly installed inside the storage plate, and the row of control buttons is used to control the motor and the main body of the robot; there are two limit rings, and the two limit rings are fixedly installed outside the two circular mounting shafts; there are two support springs D, and the two support springs D are installed outside the two circular mounting shafts, and the two support springs D are located between the protective frame and the two limit rings.

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

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

[0018] 2. This invention provides a limiting function for the mounting screws on the main body of the robotic arm, preventing them from loosening and thus preventing the robotic arm from shaking during use. When the two limiting brackets come into contact with one of the pushing brackets, the pushing bracket can move the two limiting brackets, making it convenient for workers to tighten or loosen the mounting screws on the main body of the robotic arm, thus facilitating the subsequent installation and disassembly of the robotic arm.

[0019] 3. This invention provides protection and reduces safety hazards. When the protective frame is forgotten to be installed after maintenance, the storage plate can automatically move into the storage groove under the action of two support springs D, which serves to store a row of control buttons. At this time, the operation cannot start the motor and the robot body, thus avoiding the situation where the work is carried out without the protective structure installed, and improving the protection effect. Attached Figure Description

[0020] To more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings of the embodiments will be briefly described below.

[0021] The accompanying drawings described below are only related to some embodiments of the invention and are not intended to limit the invention.

[0022] In the attached diagram:

[0023] Figure 1 This is a three-dimensional structural diagram of the present invention.

[0024] Figure 2 This is the present invention. Figure 1 A schematic diagram of the structure from the perspective of the viewpoint.

[0025] Figure 3 This is a schematic diagram of the drive mechanism of the present invention.

[0026] Figure 4 This is the present invention. Figure 1 A schematic diagram of the central cross-section structure.

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

[0028] Figure 6 This is the present invention. Figure 4 A magnified schematic diagram of a portion of region A in the middle.

[0029] Figure 7 This is the present invention. Figure 1 A magnified schematic diagram of a portion of region B.

[0030] Figure 8 This is a schematic diagram of the protective mechanism of the present invention.

[0031] Figure 9This is a schematic diagram of the central cross-sectional structure of the protection mechanism of this invention.

[0032] Figure 10 This is the present invention. Figure 9 A magnified schematic diagram of the structure of region C in the middle.

[0033] Figure 11 This is the present invention. Figure 1 A magnified schematic diagram of the structure of region D in the middle.

[0034] List of reference numerals in the attached diagram:

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

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

[0037] 3. Main body of the robotic arm;

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

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

[0040] To make the objectives, solutions, and advantages of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Unless otherwise stated, the terms used herein have their ordinary meanings in the art. The same reference numerals in the drawings represent the same parts.

[0041] Example: Please refer to Figures 1 to 11 As shown: This invention provides an auxiliary robot for flexible circuit board welding processing, including a drive mechanism 1, a mounting mechanism 2, a robot body 3, a limiting mechanism 4, and a protection mechanism 5; the mounting mechanism 2 is mounted on the drive mechanism 1; the robot 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 robot body 3 from shaking. The protection mechanism 5 is installed on the top of the drive mechanism 1. The protection mechanism 5 is used to protect the operator.

[0043] In this embodiment of the disclosure, such as Figures 3 to 6 As shown, the drive mechanism 1 includes: a guide rail 101 and a push bracket 102; two positioning slots 1011 are provided on the guide rail 101; two push brackets 102 are provided in total, and the two push brackets 102 are fixedly installed on the top of the guide rail 101; the drive mechanism 1 also includes: a drive screw 103 and a motor 104; the drive screw 103 is rotatably installed on the guide rail 101; the motor 104 is installed 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 drive 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 both 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 drive screw 103; there are four support springs A204, and... Four support springs A204 are installed on the outside of the two circular guide shafts 202, and the four support springs A204 are located on the left and right sides of the movable connecting block 203; the mounting mechanism 2 also includes: a movable positioning cover 205 and a support spring B206; the movable positioning cover 205 is slidably installed 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 B206 is installed inside the movable positioning cover 205;

[0045] Its specific function is as follows: Since 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 drive screw 103, when the motor 104 works, the mounting slider 201 and the movable connecting block 203 drive the robot body 3 to move, realizing multi-station assistance, which is beneficial to improving the welding efficiency of flexible circuit boards. Since the movable positioning cover 205 is slidably installed inside 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 robot 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, improving the movement accuracy of the robot body 3.

[0046] In this embodiment of the disclosure, such as 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 is in contact with the screw on the robot 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 are in contact with 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 rear sides of the rectangular mounting plate 401;

[0047] Its specific function is as follows: Since the two limiting brackets 402 are slidably installed on the outside of the two rectangular mounting plates 401, and the bottom of the two limiting brackets 402 is in contact with the screws on the robot body 3, they play a limiting role on the mounting screws on the robot body 3, preventing the mounting screws on the robot body 3 from loosening and preventing the robot body 3 from shaking during use. Since 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 rear sides of the two rectangular mounting plates 401, and the two push brackets 102 are fixedly installed on the top of the guide rail 101, when the two limiting brackets 402 are in contact with one of the push brackets 102, the push bracket 102 can push the two limiting brackets 402 to move, which makes it convenient for the staff to tighten or loosen the mounting screws on the robot body 3, and facilitates the subsequent installation and disassembly of the robot body 3.

[0048] In this embodiment of the disclosure, such as Figures 8 to 11As shown, the protection mechanism 5 includes: two circular mounting rods 501, two supporting rings 502, and a protective frame 503; two circular mounting rods 501 are provided, and the two circular mounting rods 501 are fixedly installed on the top of the guide rail 101; two supporting rings 502 are provided, and the two supporting rings 502 are fixedly installed on the outside of the two circular mounting rods 501; the protective frame 503 is slidably installed on the outside of the two circular mounting rods 501, and 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 storage groove 5031; the protection mechanism 5 also includes: a protective net 504, two circular mounting shafts 505, and a storage plate 506; the protective net 504 is fixedly installed on the protective frame 503; two circular mounting shafts 505 are provided, and the two circular mounting shafts 505 are slidably installed on the protective frame 503, and the two... The bottom of the circular mounting shaft 505 contacts the guide rail 101; the storage plate 506 is fixedly installed 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: control buttons 507, limit rings 508, and support springs D509; the control buttons 507 are arranged in a row, and the row of control buttons 507 is fixedly installed inside the storage plate 506, and the row of control buttons 507 is used to control the motor 104 and the robot body 3; there are two limit rings 508, and the two limit rings 508 are fixedly installed on the outside of the two circular mounting shafts 505; there are two support springs D509, and the two support springs D509 are installed 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 rings 508;

[0049] Its specific function is as follows: 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 plays a protective role and reduces safety hazards. Furthermore, because the top of the protective frame 503 has a storage groove 5031, and the storage plate 506 is the same size as the storage groove 5031, and the two support springs D509 are located between the protective frame 503 and the two limit rings 508, when the robot body 3 forgets to install the protective frame 503 after maintenance, the storage plate 506 can automatically move into the storage groove 5031 under the action of the two support springs D509, which plays a role in storing the row of control buttons 507. At this time, the operation cannot start the motor 104 and the robot body 3, avoiding the situation of working without installing the protective structure, thus improving the protection effect.

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

[0051] In use, the worker first welds the guide rail 101 onto the flexible circuit board welding workbench, then starts the motor 104 and the robot body 3. When the motor 104 is working, the mounting slider 201 and the movable connecting block 203 drive the robot body 3 to move, realizing multi-station assistance, which is beneficial to improving the welding efficiency of flexible circuit boards. When the robot body 3 moves to the auxiliary position, the movable positioning cover 205 can drive the mounting slider 201 to the center of the positioning slot 1011, improving the movement accuracy of the robot body 3. The setting of the two limiting brackets 402 plays a limiting role on the mounting screws on the robot body 3, preventing the mounting screws on the robot body 3 from loosening and preventing the robot body 3 from shaking during use. The setting of the protective frame 503 and the protective net 504 provides a protective effect and reduces safety hazards.

[0052] When the main body 3 of the robotic arm needs to be replaced or repaired, the operator moves the protective frame 503 upwards, separating it from the two circular mounting rods 501. Then, the operator moves the mounting slider 201 via the motor 104, causing it to contact one of the push brackets 102. At this point, the push bracket 102 moves the two limit brackets 402, facilitating the operator to tighten or loosen the mounting screws on the main body 3, thus facilitating subsequent installation and disassembly of the robotic arm. The operator then slides the protective frame 503 onto the outside of the two circular mounting rods 501, so that the bottom of the protective frame 503 contacts the two support rings 502. If the protective frame 503 is forgotten after repair, the storage plate 506 automatically moves into the storage groove 5031 under the action of the two support springs D509, storing the row of control buttons 507. In this case, the operator cannot start the motor 104 or the main body 3, preventing operation without the protective structure and improving the protection effect.

[0053] The following points should be noted in this article:

[0054] 1. The accompanying drawings of the embodiments disclosed herein only relate to the structures involved in the embodiments disclosed herein; other structures can be referred to in general design.

[0055] 2. Where there is no conflict, the embodiments of this disclosure and the features in the embodiments can be combined with each other to obtain new embodiments.

[0056] The above are merely specific embodiments of this disclosure, but the scope of protection of this disclosure is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the scope of the technology disclosed in this disclosure should be included within the scope of protection of this disclosure. Therefore, the scope of protection of this disclosure should be determined by the scope of the claims.

Claims

1. An auxiliary robot for flexible circuit board welding processing, comprising a drive mechanism (1), a mounting mechanism (2), a robot body (3), a limiting mechanism (4), and a protection mechanism (5); characterized in that, The mounting mechanism (2) is mounted on the drive mechanism (1); the robot body (3) is mounted on the mounting mechanism (2) by screws; The mounting mechanism (2) includes: a mounting slider (201) and a circular guide shaft (202); The limiting mechanism (4) is provided in two sets, 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 robot body (3) from shaking. The protection mechanism (5) is installed on the top of the drive mechanism (1). The protection mechanism (5) is used to protect the operator. 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) is in contact with the screw on the robot 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) are in contact with the limiting bracket (402); The limiting mechanism (4) further includes: a circular reset rod (404) and a support spring C (405); the circular reset rod (404) is fixedly installed 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 C (405), and the two support springs C (405) are installed on the outside of 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); The drive mechanism (1) includes: a guide rail (101) and a push bracket (102); two positioning slots (1011) are provided on the guide rail (101); there are two push brackets (102), and the two push brackets (102) are fixedly installed on the top of the guide rail (101).

2. The auxiliary robot for flexible circuit board welding processing according to claim 1, characterized in that, The drive mechanism (1) further includes a drive screw (103) and a motor (104); the drive 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 drive screw (103).

3. The auxiliary robotic arm for flexible circuit board welding processing according to claim 2, characterized in that, 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).

4. The auxiliary robotic arm for flexible circuit board welding processing according to claim 3, characterized in that, The mounting mechanism (2) further includes: a movable connecting block (203) and a support spring A (204); 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 drive screw (103); there are four support springs A (204), 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 connecting block (203).

5. The auxiliary robot for flexible circuit board welding processing according to claim 4, characterized in that, The installation mechanism (2) further includes: a movable positioning cover (205) and a support spring B (206); the movable positioning cover (205) is slidably installed inside the installation 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 installed inside the movable positioning cover (205).

6. The auxiliary robot for flexible circuit board welding processing according to claim 2, characterized in that, The protective mechanism (5) includes: two circular mounting rods (501), two supporting rings (502), and a protective frame (503); two circular mounting rods (501) are provided, and the two circular mounting rods (501) are fixedly installed on the top of the guide rail (101); two supporting rings (502) are provided, and the two supporting rings (502) are fixedly installed on the outside of the two circular mounting rods (501); the protective frame (503) is slidably installed on the outside of the two circular mounting rods (501). The bottom of the protective frame (503) contacts two supporting rings (502), and the top of the protective frame (503) is provided with a storage groove (5031). The protective mechanism (5) also includes: a protective net (504), a circular mounting shaft (505), and a storage plate (506); the protective net (504) is fixedly installed on the protective frame (503); there are two circular mounting shafts (505), and the two circular mounting shafts (505) are slidably installed on the protective frame (503), and the two The bottom of each 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: control buttons (507), limit rings (508), and support springs D (509); the control buttons (507) are arranged in a row, and the row of control buttons (507) is fixedly mounted inside the storage plate (506). A row of control buttons (507) is used to control the motor (104) and the robot body (3); two limit rings (508) are provided, and the two limit rings (508) are fixedly installed on the outside of the two circular mounting shafts (505); two support springs D (509) are provided, 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 rings (508).

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