Automatic visual inspection device applied to CCS product

Abstract

The utility model discloses an automatic visual inspection device applied to a CCS product. The automatic visual inspection device comprises a front overturning shooting assembly; the rubberizing detection assembly is arranged on the side edge of the front overturning shooting assembly; the conveying assembly is movably arranged on the front overturning shooting assembly and the rubberizing detection assembly; the front overturning shooting assembly comprises a first supporting mechanism; the automatic overturning mechanism is rotationally arranged in the first supporting mechanism and is used for fixing and overturning the CCS product arranged on the automatic overturning mechanism; and the front shooting mechanism is fixedly arranged on the first supporting mechanism, is arranged right above the automatic turnover mechanism, and is used for carrying out shooting and two-dimensional code recognition operation on the front surface of the CCS product arranged on the automatic turnover mechanism. Through mutual cooperation of the front overturning shooting assembly, the rubberizing detection assembly and the conveying assembly, back rubberizing and automatic detection operation of the CCS product is effectively achieved, and therefore the delivery efficiency of the new energy CCS product is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of detection devices, and particularly relates to an automatic vision detection device applied to CCS products. Background Art

[0002] Thermal conductive adhesive needs to be pasted on the back of new energy CCS products. Since the overall size of new energy CCS products is generally large, if manual flipping is used, it is time-consuming and laborious, and the efficiency of pasting the adhesive is low. There is also a situation of missed pasting by manual labor. At the same time, when new energy CCS products are shipped, it is necessary to identify the QR codes on them, name and store the pictures according to the QR code format for future traceability, which will reduce the shipping efficiency of new energy CCS products. Therefore, an automatic vision detection device applied to CCS products is provided to solve the above problems. Summary of the Utility Model

[0003] One of the purposes of the utility model is to provide an automatic vision detection device applied to CCS products to facilitate solving the problem of low shipping efficiency of existing new energy CCS products.

[0004] An automatic vision detection device applied to CCS products of the utility model can be realized by the following technical solutions:

[0005] An automatic vision detection device applied to CCS products of the utility model includes a front flipping and photographing assembly; a glue pasting detection assembly, which is arranged on the side of the front flipping and photographing assembly, and the glue pasting detection assembly performs thermal conductive adhesive detection operations on the back of the CCS product pasted with thermal conductive adhesive; a conveying assembly, which is movably arranged on the front flipping and photographing assembly and the glue pasting detection assembly, and the conveying assembly performs transfer operations on the CCS product.

[0006] Among them, the front flipping and photographing assembly includes a first support mechanism; an automatic flipping mechanism rotatably arranged in the first support mechanism, which fixes and flips the CCS product arranged on it; a front photographing mechanism fixedly arranged on the first support mechanism and directly above the automatic flipping mechanism, which takes pictures of the front of the CCS product arranged on the automatic flipping mechanism and performs QR code recognition operations.

[0007] In one implementation, the first support mechanism includes a lower frame, which is a hollow cavity; an upper frame fixedly arranged on the lower frame, and there is a gap between the two.

[0008] In one embodiment, the automatic flipping mechanism includes two mounting seats which are relatively fixedly arranged on the lower frame; a carrier plate which is movably arranged on the two mounting seats respectively through bearings; a plurality of pressing structures which are movably arranged on the sides of the carrier plate respectively; and a rotating motor which is fixedly arranged on one of the mounting seats and whose rotating shaft is in transmission connection with the carrier plate.

[0009] In one embodiment, the pressing structure includes a rotating cylinder which is fixedly arranged on the side of the carrier plate; a pressing cylinder and a pressing member which are sequentially arranged on the rotating cylinder.

[0010] In one embodiment, a plurality of pressure columns are uniformly arranged on the pressing member.

[0011] In one embodiment, the front shooting mechanism includes a fixing frame which is fixedly arranged on the upper frame; an upper backlight source which is fixedly arranged on the fixing frame and is arranged directly above the carrier plate; and a plurality of front shooting structures which are fixedly arranged on the upper frame respectively and penetrate through the upper backlight source respectively.

[0012] In one embodiment, the glue sticking detection component includes a second support mechanism which is arranged on the side of the first support mechanism; a back detection mechanism which is fixedly arranged in the second support mechanism; and a display screen which is arranged outside the second support mechanism and is electrically connected with the back detection mechanism.

[0013] In one embodiment, the conveying component includes a third support mechanism which is arranged on the side of the first support mechanism; an X-axis linear module mechanism which is fixedly arranged on the third support mechanism, the first support mechanism and the second support mechanism in sequence along the X-axis direction; and a feeding conveying mechanism and a picking conveying mechanism which are movably arranged on the X-axis linear module mechanism respectively.

[0014] In one embodiment, the feeding conveying mechanism includes a sliding seat which is movably arranged on the X-axis linear module mechanism; a lifting motor which is fixedly arranged on the sliding seat; a support frame which is movably arranged on the sliding seat and is in transmission connection with the lifting motor; a Y-axis linear module mechanism which is fixedly arranged on the support frame; a connecting frame which is movably arranged on the support frame and is in transmission connection with the Y-axis linear module mechanism; and suction nozzles which are distributed in a matrix on the connecting frame.

[0015] In one embodiment, two longitudinal guide rails are symmetrically arranged on the sliding seat, and the two ends of the support frame are movably arranged on the two longitudinal guide rails respectively; two transverse guide rails are symmetrically arranged on the support frame, and the two ends of the connecting frame are respectively arranged on the two transverse guide rails.

[0016] Compared with the prior art, the beneficial effects of an automatic vision inspection device for CCS products of the present utility model are as follows:

[0017] An automatic vision inspection device for CCS products of the present utility model transfers the CCS products to be inspected to the automatic flipping mechanism through the feeding and conveying mechanism, and the front shooting mechanism takes front photos and performs two-dimensional code recognition operations on the CCS products on the automatic flipping mechanism; the automatic flipping mechanism drives the CCS products arranged thereon to flip by a certain angle, facilitating the operator to apply thermal conductive adhesive to the back of the CCS products; after the adhesive application is completed, the automatic flipping mechanism drives the CCS products with the back adhesive applied to return to the initial position, and the material taking and conveying mechanism transfers the CCS products with the back adhesive applied to the adhesive application inspection component for adhesive application inspection operations, effectively completing the automatic adhesive application and automatic vision inspection operations of the CCS products, thereby improving the shipping efficiency of new energy CCS products to a certain extent. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following will briefly introduce the drawings required to be used in the embodiments. It should be understood that the following drawings only show some embodiments of the present utility model, and thus should not be regarded as limiting the scope. For those of ordinary skill in the art, other related drawings can be obtained based on these drawings without creative efforts.

[0019] Figure 1 is a schematic structural diagram of an automatic vision inspection device for CCS products of the present utility model, including a front flipping and shooting component, an adhesive application inspection component, and a conveying component;

[0020] Figure 2 is Figure 1 a schematic structural diagram of the front flipping and shooting component shown, including an automatic flipping mechanism and a front shooting mechanism;

[0021] Figure 3 is Figure 2 a schematic structural diagram of the automatic flipping mechanism shown;

[0022] Figure 4 is Figure 2 a schematic structural diagram of the front shooting mechanism shown;

[0023] Figure 5 is Figure 1 a schematic structural diagram of the adhesive application inspection component shown, including a back inspection mechanism;

[0024] Figure 6 is Figure 5 a schematic structural diagram of the back inspection mechanism shown;

[0025] Figure 7 isFigure 1 Schematic structural diagram of the shown conveying assembly, including a feeding conveying mechanism;

[0026] Figure 8 is Figure 7 Schematic structural diagram of the shown feeding conveying mechanism.

[0027] Labels in the figure: 100, automatic vision detection device; 10, front flip shooting assembly; 11, first support mechanism; 111, lower frame; 1111, moving wheel; 1112, support foot; 112, upper frame; 12, automatic flip mechanism; 121, mounting seat; 122, carrier plate; 123, pressing structure; 1231, rotary cylinder; 1232, pressing cylinder; 1233, pressing member; 12331, pressing column; 124, rotary motor; 13, front shooting mechanism; 131, fixing frame; 132, upper backlight; 133, front shooting structure; 1331, first mounting frame; 1332, first camera; 20, glue pasting detection assembly; 21, second support mechanism; 22, back detection mechanism; 221, support rod; 222, lower backlight; 223, back shooting structure; 2331, second mounting frame; 2332, second camera; 23, display screen; 30, conveying assembly; 31, third support mechanism; 32, X-axis linear module mechanism; 33, feeding conveying mechanism; 331, sliding seat; 3311, longitudinal guide rail; 332, lifting motor; 333, support frame; 3331, transverse guide rail; 334, Y-axis linear module mechanism; 335, connecting frame; 336, suction nozzle; 34, picking conveying mechanism. Detailed implementation manners

[0028] To make the objectives, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Apparently, the described embodiments are some but not all of the embodiments of the present invention. Usually, the components of the embodiments of the present invention described and shown in the accompanying drawings here can be arranged and designed in various different configurations.

[0029] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed present invention, but merely represents selected embodiments of the present invention. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0030] Please refer to Figure 1As shown in the figure, an automatic vision inspection device 100 for CCS products of the present utility model mainly includes a front flip shooting assembly 10, an adhesive pasting inspection assembly 20, and a conveying assembly 30; the front flip shooting assembly 10 flips the CCS products arranged thereon to facilitate manual or robotic operation of pasting thermal conductive adhesive, and at the same time takes pictures of the front of the CCS products and recognizes two-dimensional codes, so as to facilitate future traceability; the adhesive pasting inspection assembly 20 is arranged on the side of the front flip shooting assembly 10, and it performs thermal conductive adhesive inspection operation on the back of the CCS products with thermal conductive adhesive pasted thereon to prevent mis-pasting or missing pasting of thermal conductive adhesive on the back of the CCS products; the conveying assembly 30 is movably arranged on the front flip shooting assembly 10 and the adhesive pasting inspection assembly 20, and it transports the CCS products to be inspected to the front flip shooting assembly 10 for adhesive pasting and photographing operations, and then transports the CCS products with adhesive pasting completed on the front flip shooting assembly 10 to the adhesive pasting inspection assembly 20 for adhesive pasting inspection operation.

[0031] Please refer to Figure 1 and Figure 2 As shown in the figure, in this embodiment, the front flip shooting assembly 10 includes a first support mechanism 11, an automatic flip mechanism 12, and a front shooting mechanism 13; the first support mechanism 11 is the support main body; the automatic flip mechanism 12 is rotatably arranged in the first support mechanism 11, and it fixes and flips the CCS products arranged thereon, so as to facilitate manual or robotic operation of pasting thermal conductive adhesive; the front shooting mechanism 13 is fixedly arranged on the first support mechanism 11 and above the automatic flip mechanism 12, and it takes pictures of the front of the CCS products arranged on the automatic flip mechanism 12 and performs two-dimensional code recognition operation. Specifically, the first support mechanism 11 includes a lower frame 111 and an upper frame 112. The lower frame 111 is a hollow cavity to facilitate the flipping operation of the automatic flip mechanism 12 in the lower frame 111; the upper frame 112 is fixedly arranged on the lower frame 111 and there is a gap between the two to facilitate the conveying assembly 30 to transport the CCS products to the automatic flip mechanism 12; multiple moving wheels 1111 and multiple support feet 1112 are respectively arranged at the lower end of the lower frame 111. The multiple moving wheels 1111 facilitate the movement of the front flip shooting assembly 10, and the multiple support feet 1112 facilitate the horizontal fixation of the front flip shooting assembly 10.

[0032] Please refer to Figures 1 - 3As shown, in this embodiment, the automatic flipping mechanism 12 includes two mounting seats 121, a carrier plate 122, a plurality of pressing structures 123, and a rotating motor 124; the two mounting seats 121 are relatively fixedly arranged on the lower frame 111; both ends of the carrier plate 122 are movably arranged on the two mounting seats 121 through bearings, so that the carrier plate 122 can rotate relative to the two mounting seats 121; a plurality of pressing structures 123 are respectively movably arranged on the side of the carrier plate 122, and the plurality of pressing structures 123 cooperate with each other to perform a pressing and fixing operation on the CCS product arranged on the carrier plate 122, thereby preventing the CCS product from being displaced during the flipping process; the rotating motor 124 is fixedly arranged on one of the mounting seats 121 and its rotating shaft is in transmission connection with the carrier plate 122, thereby driving the carrier plate 122 to perform a flipping operation, which is convenient for manual or robotic hand to perform the operation of pasting thermal conductive adhesive. Specifically, the pressing structure 123 includes a rotating cylinder 1231, a pressing cylinder 1232, and a pressing member 1233; the rotating cylinder 1231 is fixedly arranged on the side of the carrier plate 122; the pressing cylinder 1232 is arranged on the rotating cylinder 1231, and the rotating cylinder 1231 drives the pressing cylinder 1232 to rotate; the pressing member 1233 is arranged on the pressing cylinder 1232, and the pressing cylinder 1232 drives the pressing member 1233 to move longitudinally relative to the carrier plate 122, thereby performing a pressing and fixing operation on the CCS product arranged on the carrier plate 122; preferably, a plurality of pressing columns 12331 are uniformly arranged on the pressing member 1233, and the CCS product is firmly pressed on the carrier plate 122 through the plurality of pressing columns 12331.

[0033] Please refer to Figure 1 , Figure 2 and Figure 4 As shown in, in this embodiment, the front shooting mechanism 13 includes a fixing frame 131, an upper backlight 132, and a plurality of front shooting structures 133; the fixing frame 131 is fixedly arranged on the upper frame 112; the upper backlight 132 is fixedly arranged on the fixing frame 131 and is arranged directly above the carrier plate 122, and it provides illumination for shooting the front of the CCS product arranged on the carrier plate 122; a plurality of front shooting structures 133 are respectively fixedly arranged on the upper frame 112 and respectively penetrate through the upper backlight 132, and they perform shooting and two-dimensional code recognition operations on the front of the CCS product arranged on the carrier plate 122. Specifically, the front shooting structure 133 includes a first mounting frame 1331 and a first camera 1332; the first mounting frame 1331 is fixedly arranged on the upper frame 112; the first camera 1332 is fixedly arranged below the first mounting frame 1331 and penetrates through the upper backlight 132.

[0034] Please refer to Figure 1 and Figure 5As shown, in this embodiment, the glue pasting detection component 20 includes a second support mechanism 21, a back detection mechanism 22, and a display screen 23. The second support mechanism 21 is the support main body, which is arranged on the side of the first support mechanism 11. The back detection mechanism 22 is fixedly arranged in the second support mechanism 21, and it performs a shooting and detection operation on the thermal conductive glue attached to the back of the CCS product arranged on the second support mechanism 21. The display screen 23 is arranged outside the second support mechanism 21 and is electrically connected to the back detection mechanism 22, and it performs a real-time display operation on the pictures taken by the back detection mechanism 22, facilitating the operator to directly judge the glue pasting condition on the back of the CCS product from the display screen 23. Specifically, the structure of the second support mechanism 21 is similar to that of the first support mechanism 11, so the specific structure thereof will not be elaborated here. The display screen 23 adopts the existing technology, so the specific structure and model thereof will not be elaborated here as long as it meets the requirements of this application.

[0035] Please refer to Figure 5 and Figure 6 As shown, in this embodiment, the back detection mechanism 22 includes multiple support rods 221, multiple lower backlight sources 222, and multiple back shooting structures 223. The multiple support rods 221 are fixedly arranged in the second support mechanism 21. The multiple lower backlight sources 222 are fixedly arranged on the corresponding support rods 221, and they provide illumination for shooting the back of the CCS product arranged on the second support mechanism 21. The multiple lower backlight sources 222 are fixedly arranged in the second support mechanism 21, and they perform a shooting and detection operation on the thermal conductive glue attached to the back of the CCS product arranged on the second support mechanism 21. Specifically, the back shooting structure 223 includes a second mounting bracket 2231 and a second camera 2232. The first mounting bracket 1331 is fixedly arranged on the bottom of the second support mechanism 21. The second camera 2232 is fixedly arranged above the second mounting bracket 2231 and is directly facing the back of the CCS product arranged on the second support mechanism 21.

[0036] Please refer to Figure 1 and Figure 7As shown in the figure, in this embodiment, the transfer assembly 30 includes a third support mechanism 31, an X-axis linear module mechanism 32, a feeding transfer mechanism 33, and a picking transfer mechanism 34; the third support mechanism 31 is arranged on the side of the front flip shooting assembly 10; the X-axis linear module mechanism 32 is fixedly arranged on the third support mechanism 31, the first support mechanism 11, and the second support mechanism 21 in sequence along the X-axis direction; the feeding transfer mechanism 33 and the picking transfer mechanism 34 are respectively movably arranged on the X-axis linear module mechanism 32, and the X-axis linear module mechanism 32 respectively drives the feeding transfer mechanism 33 and the picking transfer mechanism 34 to move thereon. The feeding transfer mechanism 33 transfers the CCS products to be detected to the front flip shooting assembly 10 for gluing and photographing operations, and the picking transfer mechanism 34 transfers the CCS products with gluing completed on the front flip shooting assembly 10 to the gluing detection assembly 20 for gluing detection operations.

[0037] Please refer to Figure 7 and Figure 8 As shown in the figure, in this embodiment, the feeding transfer mechanism 33 includes a sliding seat 331, a lifting motor 332, a support frame 333, a Y-axis linear module mechanism 334, a connecting frame 335, and a plurality of suction nozzles 336; the sliding seat 331 is movably arranged on the X-axis linear module mechanism 32, and the X-axis linear module mechanism 32 drives the sliding seat 331 to move in the X-axis direction; the lifting motor 332 is fixedly arranged on the sliding seat 331; the support frame 333 is movably arranged on the sliding seat 331 and is in transmission connection with the lifting motor 332, and the lifting motor 332 drives the support frame 333 to move in the Z-axis direction; the Y-axis linear module mechanism 334 is fixedly arranged on the support frame 333; the connecting frame 335 is movably arranged on the support frame 333 and is in transmission connection with the Y-axis linear module mechanism 334, and the Y-axis linear module mechanism 334 drives the connecting frame 335 to move in the Y-axis direction; the plurality of suction nozzles 336 are distributed in a matrix on the connecting frame 335, adsorb the CCS products, and then through the mutual cooperation of the X-axis linear module mechanism 32, the lifting motor 332, and the Y-axis linear module mechanism 334, realize the transfer operation of the CCS products in the XYZ space. Specifically, two longitudinal guide rails 3311 are symmetrically arranged on the sliding seat 331, and both ends of the support frame 333 are respectively movably arranged on the two longitudinal guide rails 3311, and the two longitudinal guide rails 3311 are used to guide the movement of the support frame 333 in the Z-axis direction; two transverse guide rails 3331 are symmetrically arranged on the support frame 333, and both ends of the connecting frame 335 are respectively arranged on the two transverse guide rails 3331, and the two transverse guide rails 3331 are used to guide the movement of the connecting frame 335 in the Y-axis direction.

[0038] Please refer to Figure 7 As shown in the figure, in this embodiment, the structure of the picking transfer mechanism 34 is similar to that of the feeding transfer mechanism 33, so the specific structure thereof will not be described herein again.

[0039] It should be noted that the specific working process of an automatic vision detection device 100 for CCS products of the present utility model is as follows: The feeding conveyor mechanism 33 transfers the CCS products to be detected onto the carrier plate 122, and multiple pressing structures 123 fix and press the CCS products on the carrier plate 122. At the same time, the front shooting mechanism 13 takes a front photo of the CCS products on the carrier plate 122 and performs QR code recognition operations; then the rotation motor 124 rotates forward to drive the CCS products on the carrier plate 122 to flip by a certain angle, facilitating the operator to perform glue pasting operations on the back of the CCS products. After the glue pasting is completed, the rotation motor 124 rotates reversely to drive the CCS products with the back glue pasted on the carrier plate 122 to return to the initial position. Then, multiple pressing structures 123 release the fixation of the CCS products with the back glue pasted on the carrier plate 122, and the material taking conveyor mechanism 34 transfers the CCS products with the back glue pasted to the glue pasting detection assembly 20 for glue pasting detection operations, completing the automatic glue pasting and vision detection operations of the CCS products.

[0040] The technical features of the above-described embodiments can be combined arbitrarily. For the sake of brevity of description, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, it should be considered as the scope described in this specification.

[0041] The above-described embodiments only represent several implementation manners of the present utility model. Their descriptions are relatively specific and detailed, but they should not be construed as limiting the scope of the utility model patent. It should be noted that for those of ordinary skill in the art, without departing from the concept of the present utility model, several modifications and improvements can still be made, and these all belong to the protection scope of the present utility model. Therefore, the protection scope of the utility model patent shall be subject to the appended claims.

Claims

1. An automatic vision inspection device applied to CCS products, characterized in that, Including: Front flip shooting component; Adhesive detection component, which is arranged on the side of the front flip shooting component, and the adhesive detection component performs thermal conductive adhesive detection operation on the back of the CCS product with thermal conductive adhesive attached; Transfer component, which is movably arranged on the front flip shooting component and the adhesive detection component, and the transfer component performs transfer operation on the CCS product; Among them, the front flip shooting component includes a first support mechanism; an automatic flip mechanism rotatably arranged in the first support mechanism, which performs fixation and flipping operations on the CCS product arranged thereon; a front shooting mechanism fixedly arranged on the first support mechanism and directly above the automatic flip mechanism, which performs photographing and two-dimensional code recognition operations on the front of the CCS product arranged on the automatic flip mechanism.

2. The automatic vision inspection device for CCS products according to claim 1, characterized in that, The first support mechanism includes a lower frame, which is a hollow cavity; an upper frame fixedly arranged on the lower frame, and there is a gap between the two.

3. The automatic vision inspection device for CCS products according to claim 2, characterized in that, The automatic flip mechanism includes two mounting seats, which are relatively fixedly arranged on the lower frame; a carrier plate respectively movably arranged on the two mounting seats through bearings; a plurality of pressing structures respectively movably arranged on the sides of the carrier plate; a rotation motor fixedly arranged on one of the mounting seats, and its rotating shaft is in transmission connection with the carrier plate.

4. An automatic vision inspection device applied to CCS products according to claim 3, characterized in that, The pressing structure includes a rotation cylinder, which is fixedly arranged on the side of the carrier plate; a pressing cylinder and a pressing piece sequentially arranged on the rotation cylinder.

5. An automatic vision inspection device applied to CCS products according to claim 4, characterized in that, A plurality of pressure columns are evenly arranged on the pressing piece.

6. An automatic vision inspection device applied to CCS products according to claim 3, characterized in that, The front shooting mechanism includes a fixed frame, which is fixedly arranged on the upper frame; an upper backlight fixedly arranged on the fixed frame and directly above the carrier plate; a plurality of front shooting structures respectively fixedly arranged on the upper frame and respectively passing through the upper backlight.

7. The automatic vision inspection device for CCS products according to claim 2, wherein The adhesive detection component includes a second support mechanism, which is arranged on the side of the first support mechanism; a back detection mechanism fixedly arranged in the second support mechanism; a display screen arranged on the outside of the second support mechanism and electrically connected to the back detection mechanism.

8. An automatic vision inspection device applied to CCS products according to claim 7, characterized in that, The transfer component includes a third support mechanism, which is arranged on the side of the first support mechanism; an X-axis linear module mechanism sequentially fixedly arranged on the third support mechanism, the first support mechanism, and the second support mechanism along the X-axis direction; A feeding transfer mechanism and a picking transfer mechanism respectively movably arranged on the X-axis linear module mechanism.

9. An automatic vision inspection device applied to CCS products according to claim 8, characterized in that, The feeding transfer mechanism includes a sliding seat, which is movably arranged on the X-axis linear module mechanism; a lifting motor fixedly arranged on the sliding seat; a support frame movably arranged on the sliding seat and in transmission connection with the lifting motor; a Y-axis linear module mechanism fixedly arranged on the support frame; A connecting frame movably arranged on the support frame and in transmission connection with the Y-axis linear module mechanism; suction nozzles arranged in a matrix on the connecting frame.

10. The automatic vision inspection device for CCS products according to claim 9, characterized in that, Two longitudinal guide rails are symmetrically arranged on the sliding seat, and two ends of the support frame are respectively movably arranged on the two longitudinal guide rails; two transverse guide rails are symmetrically arranged on the support frame, and two ends of the connecting frame are respectively arranged on the two transverse guide rails.

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