Automatic assembling system for automobile model

Abstract

The utility model provides an automatic automobile model assembling system which comprises a bottom plate and further comprises a first storage mechanism, a second storage mechanism, a battery loading mechanism, a marking mechanism, a wheel assembling mechanism and an automobile model moving mechanism which are arranged on the bottom plate. Wherein the first storage mechanism is provided with a plurality of vehicle body storage bins for storing vehicle body models and battery storage bins for storing batteries; the second storage mechanism is provided with a plurality of finished product storage bins used for storing automobile models. The car model moving mechanism sequentially clamps to-be-assembled car body models from the car body storage bin, moves the car body models to the position above the battery storage bin to magnetically attract batteries, and then moves the car body models into the battery loading mechanism, the marking mechanism and the wheel assembling mechanism to complete car model assembling. And finally, the assembled automobile model is stored in the finished product storage bin.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of assembly equipment, especially relates to an automatic assembly system of automobile model. BACKGROUND

[0002] The automobile model is the proportional model that the shape, structure, color and interior part of true car are referred to, and the proportional model is made by reducing the scale, gradually develops into a kind of collection and investment project that prevails in the whole world. At present, the automobile model needs to be assembled in the process of producing automobile model. The traditional automobile model includes automobile body model, battery and wheel, when assembling automobile model, battery and wheel need to be installed on automobile body model, and also need to be labeled on the bottom of automobile body model.

[0003] The traditional assembly mode is manual assembly by using artificial, artificial has more unstable factors, and the working strength is larger, leads to the assembly efficiency of automobile model to be lower, for this, we propose an automatic assembly system of automobile model. UTILITY MODEL CONTENT

[0004] The utility model is to provide an automatic assembly system of automobile model to solve the technical problem in the background art.

[0005] In order to achieve the above purpose, the utility model provides an automatic assembly system of automobile model, including bottom plate, still includes the first storage mechanism, second storage mechanism, battery loading mechanism, marking mechanism, wheel assembly mechanism and car model moving mechanism set on the bottom plate, wherein,

[0006] The first storage mechanism has a plurality of car body storage positions for storing car body model and battery storage positions for storing battery;

[0007] The second storage mechanism has a plurality of finished product storage positions for storing automobile model;

[0008] The car model moving mechanism clamps the car body model to be assembled from the car body storage position in turn, and moves the car body model to the above battery storage position and magnetically attracts the battery, then moves to the battery loading mechanism, marking mechanism and wheel assembly mechanism to complete the car model assembly, finally stores the assembled automobile model in the finished product storage position.

[0009] Further, the first storage mechanism includes first storage plate and first support column arranged at the bottom of the first storage plate, and the first storage plate is fixedly installed on the bottom plate through the first support column;

[0010] The car body storage position and battery storage position are arranged on the upper surface of the first storage plate.

[0011] Further, the second storage mechanism comprises a second storage plate and a second supporting column arranged at the bottom of the second storage plate, and the second storage plate is fixedly installed on the bottom plate through the second supporting column.

[0012] The finished product storage position is arranged on the upper surface of the second storage plate.

[0013] Further, the battery loading mechanism comprises a first base and a jacking cylinder vertically arranged on the first base, and the first base is fixedly installed on the bottom plate, and the jacking cylinder is provided with a jacking block at the top for jacking the battery upwards into the vehicle body model.

[0014] Further, the marking mechanism comprises a second base and a laser marking head arranged on the second base, and the second base is fixedly installed on the bottom plate.

[0015] Further, the wheel assembling mechanism comprises a base plate, a wheel feeding bin arranged on the base plate, and a wheel assembling module, one side of the wheel feeding bin is provided with a discharging port at the bottom, the wheel feeding bin is internally provided with a guide groove, and the groove bottom of the guide groove is arranged opposite to the discharging port, so that the wheel in the wheel feeding bin can automatically fall to the discharging port through the guide groove; and the wheel feeding bin is fixedly installed on the base plate.

[0016] The wheel assembling module comprises a first steering engine, an electric cylinder installed at one end of the first steering engine, and a wheel magnetic body installed on the electric cylinder, and the wheel magnetic body is provided with an electromagnet; the first steering engine is fixedly installed on the base plate through a steering engine seat, the electric cylinder is horizontally arranged, and the first steering engine drives the electric cylinder to swing horizontally so that the wheel magnetic body can face the discharging port.

[0017] Further, the vehicle model moving mechanism comprises a moving module and a clamping module installed on the moving module; wherein,

[0018] The moving module comprises an X-direction moving module, a Z-direction moving module installed on the X-direction moving module, and a Y-direction moving module installed on the Z-direction moving module.

[0019] The clamping module comprises a second steering engine and an electric clamping jaw installed on the second steering engine, and the second steering engine is installed on the Y-direction moving module.

[0020] Further, the X-direction moving module comprises a first motor and two first lead screws arranged in parallel, the first lead screws are horizontally arranged on the bottom plate, bearing seats are arranged at the two ends of the first lead screws, the bearing seats are fixedly installed on the bottom plate, the first storage mechanism, the second storage mechanism, the battery loading mechanism, the marking mechanism and the wheel assembling mechanism are arranged between the two first lead screws;

[0021] The first motor is fixedly installed on the bottom plate through a first mounting seat, the first motor is arranged between the two first lead screws, the first motor drives the two first lead screws to rotate in the same direction, and a first lead screw sliding block is sleeved on the first lead screw;

[0022] The Z-direction moving module is installed on the first lead screw sliding block.

[0023] Further, the Z-direction moving module comprises a second motor and two second lead screws arranged oppositely, the second lead screws are vertically arranged, and the two second lead screws are fixedly installed on the two first lead screw sliding blocks respectively;

[0024] The Y-direction moving module is installed on the corresponding second lead screw through a second lead screw sliding block at the two ends respectively;

[0025] Second mounting seats are arranged at the top ends of the two second lead screws, the top ends of the second lead screws pass out upward from the second mounting seats and are in transmission connection with the second motor, the second motor is fixedly installed on the second mounting seat, and the top of the second lead screw is rotationally connected with the second mounting seat through a bearing;

[0026] The second motor is arranged between the two second lead screws, and the second motor drives the two second lead screws to rotate in the same direction.

[0027] Further, the Y-direction moving module comprises a third motor, a third lead screw and a lead screw seat, the lead screw seat is in a U-shaped structure, the lead screw seat is installed on the second lead screw sliding block at the two ends of the bottom, the third lead screw is rotationally installed in the lead screw seat, the third motor is arranged at one end of the lead screw seat, a third lead screw sliding block is arranged on the third lead screw, and the third motor drives the third lead screw to rotate;

[0028] The second steering wheel is installed on the third lead screw sliding block.

[0029] The beneficial effects of the utility model are as follows:

[0030] The automobile model automatic assembly system has the first storage mechanism, the second storage mechanism, the battery loading mechanism, the marking mechanism, the wheel assembly mechanism and the car model moving mechanism, the car model moving mechanism clamps the car body model to be assembled from the car body storage positions in sequence, and then moves the car body model to the position above the battery storage position to magnetically attract the battery, and then moves to the battery loading mechanism, the marking mechanism and the wheel assembly mechanism to complete the car model assembly, and finally stores the assembled automobile model in the finished product storage position, so that the battery assembly, the wheel assembly and the laser marking process of the automobile model are completed, the automation degree is high, the assembly efficiency is high, and the labor cost and labor intensity are effectively saved. BRIEF DESCRIPTION OF DRAWINGS

[0031] In order to more clearly illustrate the specific embodiments of the utility model or the technical solutions in the prior art, the drawings needed to be used in the specific embodiments or the prior art description will be briefly introduced below. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, each element or part is not necessarily drawn according to the actual proportion.

[0032] The drawings herein are incorporated into the specification and form part of the specification, show the embodiments consistent with the present application, and together with the specification, are used to explain the principles of the present application. For ordinary skilled persons in the art, other drawings can also be obtained according to these drawings without paying creative labor.

[0033] Figure 1 The structure diagram of the automobile model automatic assembly system provided by the utility model embodiment Figure 1 ;

[0034] Figure 2 The structure diagram of the automobile model automatic assembly system provided by the utility model embodiment Figure 2 ;

[0035] Figure 3 The structure diagram of the automobile model automatic assembly system provided by the utility model embodiment Figure 3 ;

[0036] Figure 4 The structure diagram of the wheel assembly mechanism provided by the utility model embodiment Figure 1 ;

[0037] Figure 2 The structure diagram of the wheel assembly mechanism provided by the utility model embodiment Figure 6 ;

[0038] Figures 1-3 The structure diagram of the wheel feeding bin provided by the utility model embodiment.

[0039] The implementation, functional features and advantages of the present application will be further described with reference to the embodiments in conjunction with the drawings. The specific embodiments of the present application have been shown in the above drawings, and will be described in more detail hereinafter. These drawings and the written description are not intended to limit the scope of the present application concept in any way, but to illustrate the present application concept for those skilled in the art by referring to specific embodiments. DETAILED DESCRIPTION

[0040] The embodiments of the technical scheme of the present application will be described in detail below with reference to the drawings. The following embodiments are only used to more clearly illustrate the technical scheme of the present application, and therefore only serve as examples, and cannot limit the protection scope of the present application.

[0041] It should be noted that, unless otherwise specified, the technical terms or scientific terms used in the present application should be understood as the usual meaning understood by the technical personnel in the field to which the present application belongs.

[0042] In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0043] In addition, the terms "first", "second", and the like are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. In the description of the present application, the meaning of "a plurality of" is two or more, unless otherwise specifically limited.

[0044] In the present application, unless otherwise specifically specified and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0045] In the present application, unless specifically stated and limited otherwise, a first feature is "on" or "under" a second feature can be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature is "over", "above" and "on top of" the second feature can be that the first feature is directly above or obliquely above the second feature, or only indicates that the first feature is higher in horizontal height than the second feature. The first feature is "under", "below" and "underneath" the second feature can be that the first feature is directly below or obliquely below the second feature, or only indicates that the first feature is lower in horizontal height than the second feature.

[0046] As Figure 1 shown, the utility model discloses a kind of automobile model automatic assembly system, including bottom plate 1, still including the first storage mechanism, second storage mechanism, battery loading mechanism, marking mechanism, wheel assembly mechanism and car model moving mechanism being set on bottom plate 1.Wherein, the first storage mechanism has multiple car body storage positions 2 for storing car body model 6 and battery storage position 3 for storing battery.The second storage mechanism has multiple finished product storage positions 23 for storing automobile model.

[0047] Car model moving mechanism is sequentially clamped from car body storage position 2 the car body model 6 to be assembled, and car body model 6 is moved to the battery above magnetic attraction battery, then moves to battery loading mechanism, marking mechanism and wheel assembly mechanism and completes car model assembly, finally the automobile model of assembly completion is stored in finished product storage position 23, to complete the wheel assembly and laser marking process of automobile model.

[0048] Car body model 6 bottom has installation hole for installing battery, and magnet is arranged on the edge of installation hole, so that battery in battery storage position 3 can be magnetically attracted when being close to the above battery storage position 3.

[0049] In the embodiment, the first storage mechanism includes first storage plate and first support column arranged at the bottom of the first storage plate, and the first storage plate is fixedly installed on the bottom plate 1 by the first support column. The car body storage position 2 and the battery storage position 3 are arranged on the upper surface of the first storage plate. The second storage mechanism includes second storage plate and second support column arranged at the bottom of the second storage plate, and the second storage plate is fixedly installed on the bottom plate 1 by the second support column. The finished product storage position 23 is arranged on the upper surface of the second storage plate.

[0050] Specifically, as Figure 2 and Figure 4As shown, the battery loading mechanism includes a first base 4 and a jacking cylinder 5 vertically arranged on the first base 4, the first base 4 is fixedly installed on the bottom plate 1, and the jacking cylinder 5 is provided with a jacking block 7 at the top for jacking the battery upwards into the car body model 6. After the car model moving mechanism moves the car body model 6 with the battery magnetically attracted to the jacking cylinder 5, the jacking cylinder 5 extends upwards, and the jacking block 7 jacks the battery into the mounting hole at the bottom of the car body model 6, completing the battery assembly.

[0051] Specifically, the marking mechanism includes a second base 8 and a laser marking head 9 arranged on the second base 8. The second base 8 is fixedly installed on the bottom plate 1. When the car model moving mechanism moves the car body model 6 above the laser marking head 9, the laser marking head 9 performs laser marking at the bottom of the car body model 6.

[0052] Specifically, as shown in Figure 5 and Figure 6 The wheel assembly mechanism includes a base plate 10 and a wheel feeding bin 11 and a wheel assembly module arranged on the base plate 10, as shown in ​ The wheel feeding bin 11 is provided with a discharge port 12 at the bottom of one side, and the wheel feeding bin 11 has a guide chute 13 inside, and the bottom of the guide chute 13 is arranged opposite to the discharge port 12, so that the wheels in the wheel feeding bin 11 automatically fall into the discharge port 12 through the guide chute 13. The wheel feeding bin 11 is fixedly installed on the base plate 10.

[0053] The wheel assembly module includes a first steering engine 14, an electric cylinder 15 installed at one end of the first steering engine 14, and a wheel magnetic body 16 installed on the electric cylinder 15, and the wheel magnetic body 16 is provided with an electromagnet 17, and the wheel is magnetically fixed on the wheel magnetic body 16 through the electromagnet 17.

[0054] The first steering engine 14 is fixedly installed on the base plate 10 through a steering engine seat 18, and the electric cylinder 15 is horizontally arranged, and the first steering engine 14 drives the electric cylinder 15 to swing horizontally to make the wheel magnetic body 16 face the discharge port 12, then the electric cylinder 15 extends, and the electromagnet 17 on the wheel magnetic body 16 is attached to the wheel at the discharge port 12, the wheel is magnetically attracted, and then the electric cylinder 15 is controlled to retract. Then, the first steering engine 14 drives the electric cylinder 15 to swing horizontally in the opposite direction by 90°, and after the car model moving mechanism moves the car body model 6 to the front of the electric cylinder 15, the electric cylinder 15 is controlled to extend, and the wheel on the wheel magnetic body 16 is sleeved on the wheel shaft of the car body model 6. Repeat the above actions until all four wheels are assembled.

[0055] Specifically, the vehicle model moving mechanism comprises a moving module and a clamping module mounted on the moving module. The moving module comprises an X-direction moving module 19, a Z-direction moving module 20 mounted on the X-direction moving module 19, and a Y-direction moving module 21 mounted on the Z-direction moving module 20. The clamping module comprises a second steering engine 22 and an electric clamping jaw 24 mounted on the second steering engine 22, and the second steering engine 22 is mounted on the Y-direction moving module 21. The electric clamping jaw 24 clamps the vehicle body model 6, and the second steering engine 22 drives the electric clamping jaw 24 to swing, so as to adjust the clamping orientation of the electric clamping jaw 24 and facilitate the adjustment of the angle of the vehicle body model 6 after the vehicle body model 6 is clamped.

[0056] In the embodiment, the X-direction moving module 19 comprises a first motor and two parallel first lead screws, the first lead screws are horizontally arranged on the bottom plate 1, bearing seats are arranged at both ends of the first lead screws, and the bearing seats are fixedly mounted on the bottom plate 1. The first storage mechanism, the second storage mechanism, the battery loading mechanism, the marking mechanism, and the wheel assembling mechanism are arranged between the two first lead screws.

[0057] The first motor is fixedly mounted on the bottom plate 1 through a first mounting seat, and is arranged between the two first lead screws. The first motor drives the two first lead screws to rotate in the same direction through a chain, and a first lead screw sliding block is sleeved on the first lead screw.

[0058] The Z-direction moving module 20 comprises a second motor and two oppositely arranged second lead screws, the second lead screws are vertically arranged, and the two second lead screws are fixedly mounted on the two first lead screw sliding blocks respectively. The Y-direction moving module 21 is mounted on the corresponding second lead screw through a second lead screw sliding block at both ends.

[0059] The top ends of the two second lead screws are provided with a second mounting seat, the top ends of the second lead screws pass out of the second mounting seat upward and are in transmission connection with the second motor, the second motor is fixedly mounted on the second mounting seat, and the top of the second lead screw is rotationally connected with the second mounting seat through a bearing. The second motor is arranged between the two second lead screws, and the second motor drives the two second lead screws to rotate in the same direction through a chain.

[0060] The Y-direction moving module 21 comprises a third motor, a third lead screw, and a lead screw seat. The lead screw seat is in a U-shaped structure, the bottom ends of the lead screw seat are mounted on the second lead screw sliding blocks, the third lead screw is rotationally mounted in the lead screw seat, the third motor is arranged at one end of the lead screw seat, a third lead screw sliding block is arranged on the third lead screw, and the third motor drives the third lead screw to rotate. The second steering engine 22 is mounted on the third lead screw sliding block.

[0061] In summary, the automobile model automatic assembly system has the first storage mechanism, the second storage mechanism, the battery loading mechanism, the marking mechanism, the wheel assembly mechanism and the car model moving mechanism, the car model moving mechanism clamps the car body model to be assembled from the car body storage position in sequence, and moves the car body model to the position above the battery storage position, magnetically attracts the battery, and then moves to the battery loading mechanism, the marking mechanism and the wheel assembly mechanism to complete the car model assembly, finally stores the assembled automobile model in the finished product storage position, thereby completing the battery assembly, wheel assembly and laser marking process of the automobile model, and the automation degree is high, the assembly efficiency is high, the manpower cost and labor intensity are effectively saved.

[0062] Finally, it should be noted that: the technical features of the technical solutions of the present application can be combined arbitrarily, in order to make the description simple, the possible combinations of each technical feature in the above embodiments are not described, however, as long as the combination of these technical features does not exist contradictory, should be considered as the range recorded in the present application.

[0063] The above embodiments are only used to illustrate the technical solutions of the present application, rather than limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application, and they should be covered in the scope of the claims and the specification of the present application.

Claims

1. An automatic assembly system for a model car, comprising a base plate (1), characterized in that, Further comprising a first storage mechanism, a second storage mechanism, a battery loading mechanism, a marking mechanism, a wheel assembly mechanism and a car model moving mechanism arranged on the bottom plate (1); wherein, The first storage mechanism has a plurality of car body storage positions (2) for storing car body models (6) and a battery storage position (3) for storing batteries; The second storage mechanism has a plurality of finished product storage positions (23) for storing car models; The car model moving mechanism sequentially clamps the car body models (6) to be assembled from the car body storage positions (2), and moves the car body models (6) to the battery storage position (3) above the battery, and then moves to the battery loading mechanism, the marking mechanism and the wheel assembly mechanism to complete the assembly of the car model, and finally stores the assembled car model in the finished product storage position (23).

2. The automatic assembly system for a model vehicle according to claim 1, wherein The first storage mechanism includes a first storage plate and a first support column arranged at the bottom of the first storage plate, and the first storage plate is fixedly installed on the bottom plate (1) through the first support column; The car body storage positions (2) and the battery storage position (3) are arranged on the upper surface of the first storage plate.

3. The automatic assembly system for a model vehicle of claim 1, wherein The second storage mechanism includes a second storage plate and a second support column arranged at the bottom of the second storage plate, and the second storage plate is fixedly installed on the bottom plate (1) through the second support column; The finished product storage positions (23) are arranged on the upper surface of the second storage plate.

4. The automatic assembly system for a model vehicle of claim 1, wherein The battery loading mechanism includes a first base (4) and a jacking cylinder (5) vertically arranged on the first base (4), and the first base (4) is fixedly installed on the bottom plate (1), and the jacking cylinder (5) is provided with a jacking block (7) at the top for jacking the battery upward into the car body model (6).

5. The automatic assembly system for a model vehicle of claim 1, wherein The marking mechanism includes a second base (8) and a laser marking head (9) arranged on the second base (8); and the second base (8) is fixedly installed on the bottom plate (1).

6. The automatic assembly system for a model vehicle of claim 1, wherein The wheel assembly mechanism includes a base plate (10) and a wheel feeding bin (11) and a wheel assembly module arranged on the base plate (10), one side of the wheel feeding bin (11) is provided with a discharge port (12) at the bottom, the wheel feeding bin (11) has a guide chute (13) inside, and the bottom of the guide chute (13) is arranged opposite to the discharge port (12), so that the wheels in the wheel feeding bin (11) automatically fall to the discharge port (12) through the guide chute (13); and the wheel feeding bin (11) is fixedly installed on the base plate (10). The wheel assembly module comprises a first steering engine (14), an electric cylinder (15) mounted on the first steering engine (14), and a wheel magnetic body (16) mounted on the electric cylinder (15), wherein an electromagnet (17) is arranged on the wheel magnetic body (16); the first steering engine (14) is fixedly mounted on the base plate (10) through a steering engine seat (18), the electric cylinder (15) is horizontally arranged, and the first steering engine (14) drives the electric cylinder (15) to swing horizontally so that the wheel magnetic body (16) can face the discharge port (12).

7. The automatic assembly system for a model vehicle of claim 1, wherein The vehicle model moving mechanism comprises a moving module and a clamping module mounted on the moving module; wherein, The moving module comprises an X-direction moving module (19), a Z-direction moving module (20) mounted on the X-direction moving module (19), and a Y-direction moving module (21) mounted on the Z-direction moving module (20); The clamping module comprises a second steering engine (22) and an electric clamping jaw (24) mounted on the second steering engine (22), and the second steering engine (22) is mounted on the Y-direction moving module (21).

8. The automatic assembly system for a model vehicle according to claim 7, wherein The X-direction moving module (19) comprises a first motor and two first lead screws arranged in parallel, the first lead screws are horizontally arranged on the bottom plate (1), bearing seats are arranged at both ends of the first lead screws, the bearing seats are fixedly mounted on the bottom plate (1), and the first storage mechanism, the second storage mechanism, the battery loading mechanism, the marking mechanism, and the wheel assembly mechanism are arranged between the two first lead screws; The first motor is fixedly mounted on the bottom plate (1) through a first mounting seat, the first motor is arranged between the two first lead screws, the first motor drives the two first lead screws to rotate in the same direction, and a first lead screw sliding block is sleeved on the first lead screw; The Z-direction moving module (20) is mounted on the first lead screw sliding block.

9. The automatic assembly system for a model vehicle of claim 8, wherein, The Z-direction moving module (20) comprises a second motor and two second lead screws arranged oppositely, the second lead screws are vertically arranged, and the two second lead screws are fixedly mounted on the two first lead screw sliding blocks respectively; The Y-direction moving module (21) is mounted on the corresponding second lead screw through a second lead screw sliding block at both ends respectively; Second mounting seats are arranged at the top ends of the two second lead screws, the top ends of the second lead screws pass out of the second mounting seats upward and are in transmission connection with the second motor, the second motor is fixedly mounted on the second mounting seat, and the top of the second lead screw is rotationally connected with the second mounting seat through a bearing; The second motor is arranged between the two second lead screws, and the second motor drives the two second lead screws to rotate in the same direction.

10. The automatic assembly system for a model vehicle according to claim 9, wherein The Y-direction moving module (21) comprises a third motor, a third lead screw, and a lead screw seat, the lead screw seat is in a U-shaped structure, the bottom of the lead screw seat is mounted on the second lead screw sliding block, the third lead screw is rotationally mounted in the lead screw seat, the third motor is arranged at one end of the lead screw seat, a third lead screw sliding block is arranged on the third lead screw, and the third motor drives the third lead screw to rotate; The second steering engine (22) is installed on the third screw slide.

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