CN223432954U

CN223432954U - Turnover carrier and material turnover mechanism applying same

Info

Publication number: CN223432954U
Application number: CN202422727576.XU
Authority: CN
Inventors: 高文波; 梁志豪
Original assignee: Zhejiang Shengbo Intelligent Equipment Co ltd; Guangdong Sheng Boer Photoelectric Technology Co ltd
Current assignee: Zhejiang Shengbo Intelligent Equipment Co ltd; Guangdong Sheng Boer Photoelectric Technology Co ltd
Priority date: 2024-11-08
Filing date: 2024-11-08
Publication date: 2025-10-14
Anticipated expiration: 2034-11-08

Abstract

The present invention relates to the technical field of material turnover devices, and relates to a turnover conveyor and a material turnover mechanism using the turnover conveyor. The material turnover mechanism includes a turnover conveyor and a first positioning mechanism. The first positioning mechanism includes a mounting seat, a first positioning assembly and a second positioning assembly. A fixed space capable of clamping a positioning member is formed between the first positioning assembly and the second positioning assembly. The turnover conveyor includes a base, a clamping mechanism for clamping materials, and a traveling mechanism. A clearance space is provided between the base and the traveling mechanism, and the clearance space can be passed through by the first positioning mechanism. A positioning member is provided at the lower part of the base, and the bottom of the positioning member extends downward in a vertical direction and extends into the clearance space. Materials are loaded and transported by the turnover conveyor. When the turnover conveyor moves to the first positioning mechanism through the traveling mechanism, the turnover conveyor is fixed by the first positioning mechanism. The first positioning mechanism can be reused to repeatedly position the turnover conveyor, thereby improving the turnover efficiency of materials.

Description

Turnover carrier and material turnover mechanism applying same

Technical Field

The utility model relates to the technical field of automatic equipment, in particular to a turnover carrier and a material turnover mechanism using the same.

Background

In the vacuum coating production process, a turnover vehicle is usually used for carrying products, and particularly for large-size non-planar products, an automatic material conveying mechanism on a production line and the turnover vehicle are required to assist in completing loading and unloading of the products in the coating loading and unloading process. The turnover vehicles corresponding to different procedures have different positions relative to the production line, and when the automatic material conveying mechanism is adopted to convey products on the vacuum coating production line with higher automation degree, the positioning of the turnover vehicles has important significance for the feeding and the discharging of the vacuum coating.

The turnover vehicle in the existing production field is free and movable generally, and a brake mechanism is arranged at the truckle of the turnover vehicle to enable the turnover vehicle to be static, if the turnover vehicle is braked only through the brake mechanism on the truckle, the direction and the position of the turnover vehicle need to be manually readjusted after the turnover vehicle reaches the loading and unloading position each time, so that the extra labor cost is increased, the positioning accuracy of the turnover vehicle relative to the production line is difficult to guarantee, and the efficiency of the production line is reduced.

The utility model is researched and proposed for overcoming the defects of the prior art.

Disclosure of utility model

The utility model aims at the problems that the direction and the position of the turnover vehicle in the prior production field are required to be manually readjusted after the turnover vehicle reaches the loading and unloading positions every time, extra labor cost is increased, positioning accuracy of the turnover vehicle relative to a production line is difficult to ensure, and efficiency of the production line is reduced, and provides a turnover vehicle and a material turnover mechanism using the turnover vehicle.

The technical scheme adopted for solving the technical problems is as follows:

The turnover carrier comprises a base, a clamping mechanism arranged on the base and a travelling mechanism used for driving the base to move, wherein the clamping mechanism is used for clamping materials, a yielding space for communicating the outside is arranged between the bottom of the base and the travelling mechanism, a positioning piece is arranged at the lower part of the base, and the bottom of the positioning piece extends downwards along the vertical direction and stretches into the yielding space.

The turnover carrier comprises a plurality of casters arranged at the lower part of the base, wherein the casters are oppositely arranged at the periphery of the positioning piece at intervals, the yield space is formed between each caster and the base, and an opening communicated with the yield space is formed between two adjacent casters.

According to the turnover carrier, the first auxiliary locating piece and the second auxiliary locating piece are arranged on two sides of the locating piece, and extend along the length direction of the locating piece.

The turnover carrier is characterized in that the base is further provided with a first mounting bracket for mounting the clamping mechanism and a supporting mechanism arranged on one side of the first mounting bracket, the clamping mechanism comprises a first clamp assembly arranged above the supporting mechanism, the first clamp assembly comprises a first clamping jaw which is connected to the first mounting bracket in a sliding mode and a first clamping groove arranged in the first clamping jaw, the first clamping groove faces to the supporting mechanism, the first clamping jaw moves relative to the first mounting bracket along the vertical direction to be close to or far away from the supporting mechanism, a material clamping space is formed between the first clamping jaw and the supporting mechanism, a first conveying surface capable of driving materials to move in the material clamping space is arranged in the supporting mechanism, and a handle is arranged on one side of the first mounting bracket.

The turnover carrier comprises at least one supporting component, wherein the supporting component comprises a second mounting bracket connected with the base and a first conveying part axially rotatably arranged in the second mounting bracket, the first conveying part axially rotates relative to the second mounting bracket and forms a first conveying surface, and a first limiting part and a second limiting part which are positioned on two sides of the first conveying surface are further arranged in the first conveying part.

The turnover carrier comprises a first clamping mechanism, a second clamping mechanism and a supporting mechanism, wherein the first clamping mechanism is arranged on the side of a material clamping space, the second clamping mechanism is arranged on the side of the material clamping space, the second clamping mechanism comprises a first clamping jaw which is connected to a first mounting bracket in a sliding manner, and the second clamping jaw moves relative to the first mounting bracket along the horizontal direction to be close to or far away from the material clamping space; the clamping device comprises a first mounting bracket, a second clamping jaw and a first mounting bracket, wherein one side of the first clamping jaw is provided with a rotating connecting part, the second clamping jaw is driven to rotate relative to the first mounting bracket through the rotating connecting part, a limiting structure is arranged between the second clamping jaw and the rotating connecting part, and the limiting structure is used for limiting the second clamping jaw to rotate relative to the first mounting bracket.

The turnover carrier further comprises an electric control mechanism electrically connected with the travelling mechanism, wherein the travelling mechanism is driven to operate by the electric control mechanism, and the base is driven to move by the travelling mechanism.

The utility model also provides a material turnover mechanism which comprises the turnover carrier and the first positioning mechanism for positioning the turnover carrier, wherein the yielding space can be used for the first positioning mechanism to pass through, and the first positioning mechanism comprises a fixing space matched with the positioning piece, and the positioning piece is clamped through the fixing space.

The material turnover mechanism comprises a first positioning component, a second positioning component, a mounting seat, a first conveying surface, a third limiting part and a guiding structure, wherein the first positioning component and the second positioning component are oppositely arranged in the mounting seat, a fixed space is formed between the first positioning component and the second positioning component, the first positioning component and the second positioning component are respectively provided with the second conveying surface capable of driving the positioning component to move in the fixed space, the two second conveying surfaces are oppositely arranged, the mounting seat is further provided with the third limiting part which is positioned on one side of the first positioning component and one side of the second positioning component, the third limiting part is positioned on one side of the fixed space, and the material turnover mechanism further comprises the guiding structure which is used for guiding the positioning component to enter the fixed space, and the guiding structure is arranged in the positioning component and/or the first positioning mechanism.

The material turnover mechanism further comprises a second positioning mechanism arranged on one side of the first positioning mechanism, the second positioning mechanism comprises a third mounting bracket, an extension bracket arranged on one side of the third mounting bracket and at least one third clamp assembly connected with the extension bracket, the third clamp assembly is located above the first positioning mechanism and comprises a third clamping jaw which is slidably connected onto the extension bracket, the third clamping jaw moves along the vertical direction relative to the extension bracket to be close to or far away from the turnover carrier, and a second clamping groove facing the first positioning mechanism and a third auxiliary positioning piece located on two sides of the second clamping groove are arranged in the third clamping jaw.

Compared with the prior art, the utility model has the beneficial effects that:

1. The material is loaded and transported through the Zhou Zhuaizai tool, and when the Zhou Zhuaizai tool moves to the first positioning mechanism through the travelling mechanism, the turnover carrier is fixed through the first positioning mechanism, so that an automatic material conveying mechanism on the production line can conveniently pick up the material from the turnover carrier and convey the material to the production line for processing; repeated positioning is carried out on the Zhou Zhuaizai tool through the first positioning mechanism, so that Zhou Zhuaizai tools can reach the same position, angle and posture when feeding and discharging each time, an automatic material conveying mechanism on a production line can grasp and convey materials more accurately, errors caused by inaccurate positioning are reduced, the turnover efficiency of the materials is improved, and the feeding and discharging efficiency of the production line is improved;

2. The positioning piece is arranged at the lower part of the base of the Zhou Zhuaizai tool, can synchronously move along with the Zhou Zhuaizai tool and move into a fixed space in the first positioning mechanism so as to clamp the positioning piece, thereby realizing the fixation of the turnover carrier by the first positioning mechanism, having simple structure and being easy to produce and implement;

3. In the feeding and discharging process, the third clamp assembly is used for assisting in transferring materials between the automatic material conveying mechanism and the turnover carrier, meanwhile, the supporting mechanism is used for supporting the materials, the materials are protected, the materials are prevented from falling off, particularly, some larger and heavier workpieces are protected, and when the automatic material conveying mechanism clamps the materials during feeding, the Zhou Zhuaizai tools can be removed and subjected to the next step, so that the recycling of the turnover carrier and the turnover efficiency of the turnover carrier are improved.

The utility model will be further described with reference to the drawings and detailed description.

Drawings

FIG. 1 is a perspective view of Zhou Zhuaizai of the present utility model (including a first positioning mechanism);

FIG. 2 is a second perspective view of the transfer carrier of the present utility model;

FIG. 3 is an enlarged view of portion A of FIG. 2;

FIG. 4 is an enlarged view of portion B of FIG. 2;

FIG. 5 is an enlarged view of portion C of FIG. 1;

FIG. 6 is an enlarged view of portion D of FIG. 1;

FIG. 7 is a perspective view of a first positioning mechanism of the present utility model;

FIG. 8 is a schematic view of a first positioning mechanism and positioning member of the present utility model;

FIG. 9 is an enlarged view of portion E of FIG. 8;

FIG. 10 is a perspective view of the material transfer mechanism of the present utility model;

fig. 11 is an enlarged view of a portion F in fig. 10;

FIG. 12 is a side view of the material transfer mechanism of the present utility model;

Fig. 13 is a view of the use of the material turnover mechanism of the present utility model (including material).

Detailed Description

Embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.

Embodiment one:

As shown in fig. 1 to 9, the utility model provides a material turnover mechanism, which can be applied to an automatic auxiliary production line of a vacuum coating production line, wherein the material turnover mechanism can be arranged in a process of feeding and discharging finished products in the vacuum coating production line, and is arranged according to an automatic material conveying mechanism on the vacuum coating production line, the material turnover mechanism comprises a Zhou Zhuaizai tool 100 and a first positioning mechanism 200 for positioning a turnover carrier 100, the first positioning mechanism 200 can be fixedly arranged on the ground of a production site according to the feeding and discharging positions of the vacuum coating production line, the turnover carrier 100 is used for loading and transporting products to be coated or coated products, the first positioning mechanism 200 can be arranged according to the feeding and discharging positions of the vacuum coating production line and the automatic material conveying mechanism, and the turnover carrier 100 can be repeatedly positioned through the first positioning mechanism 200, so that the turnover carrier 100 can reach the same position, angle and posture during feeding and discharging each time, the automatic material conveying mechanism on the production line can grasp and convey the materials more accurately, the turnover carrier 100 is not good for improving the feeding and discharging efficiency due to the feeding and discharging errors. For example, in the loading process, when the turnover carrier 100 containing the product to be coated moves to the first positioning mechanism 200, the turnover carrier 100 is fixed by the first positioning mechanism 200, and the surface to be coated of the product to be coated faces towards the vacuum coating production line, so that the automatic material conveying mechanism can pick up the product to be coated from the turnover carrier 100 and convey the product to be coated to the production line for processing, for example, in the unloading process, the turnover carrier 100 can fix a position, an angle and an attitude relative to the vacuum coating production line through the first positioning mechanism 200, and directly convey the coated product on the production line into the turnover carrier 100 through the automatic material conveying mechanism, so that finished product unloading is completed.

As shown in fig. 1-6, the turnover carrier 100 includes a base 110, a clamping mechanism disposed on the base 110, and a running mechanism for driving the base 110 to move, where the clamping mechanism is used for clamping a material 400, the running mechanism can drive the base 110 to move so as to enable the turnover carrier 100 to move, a yielding space 101 for communicating with the outside is disposed between the bottom of the base 110 and the running mechanism, a positioning member 111 is disposed at the lower portion of the base 110, and the bottom of the positioning member 111 extends downward along a vertical direction and into the yielding space 101. The travelling mechanism is arranged at the lower part of the base 110, so that the base 110 can be lifted above the ground of the production site, a yielding space 101 is formed between the base 110 and the travelling mechanism, and the yielding space 101 can be used for the first positioning mechanism 200 to pass through. In this embodiment, the material 400 is understood to be a product to be coated and a coated product in the vacuum coating process.

The first positioning mechanism 200 includes a fixing space 240 adapted to the positioning member 111, the positioning member 111 can move synchronously along with the Zhou Zhuaizai tool 100 and move into the fixing space 240 in the first positioning mechanism 200 through the fixing space 240 to clamp the positioning member 111, so that the first positioning mechanism 200 clamps the positioning member 111, and the first positioning mechanism 200 is capable of fixing the turnover carrier 100.

In this embodiment, the extending direction of the bottom of the positioning member 111 is parallel to the height direction of the base 110, that is, the bottom of the positioning member 111 extends along the-Z direction indicated by the Z axis in fig. 1, in order to avoid that the height of the positioning member 111 is too long to affect the movement of the turnover carrier 100, the height of the positioning member 111 is preferably slightly smaller than the height of the yielding space 101, that is, the distance between the base 110 and the ground of the production site. The positioning piece 111 is simple in structure and easy to produce and implement.

In some embodiments, the positioning member 111 is fixedly coupled to the base 110, such as by welding the positioning member 111 to the base 110. In other embodiments, as shown in fig. 2, the positioning member 111 is detachably connected to the base 110 by a connecting member 114, and the connecting member 114 may be mounted in the base 110 by a fastener such as a screw, a bolt, or the like, so as to facilitate the disassembly, assembly, and maintenance and replacement of the positioning member 111.

In some embodiments, the left and right sides of the positioning member 111 extend along the length direction of the base 110, that is, the left and right sides of the positioning member 111 extend along the direction of the X axis in fig. 1, and in other embodiments, the left and right sides of the positioning member 111 extend along the width direction of the base 110, that is, the left and right sides of the positioning member 111 extend along the direction of the Y axis in fig. 1. For example, the positioning member 111 may be provided as an elongated member, both left and right sides of the elongated member may extend along a length direction or a width direction of the base 110, the extending direction of both left and right sides of the positioning member 111 may be understood as a length direction of the positioning member 111, and the first positioning mechanism 200 may be provided according to the length direction of the positioning member 111.

In this embodiment, as shown in fig. 7-8, the first positioning mechanism 200 includes a mounting seat 210, a first positioning component 221 and a second positioning component 222 oppositely disposed in the mounting seat 210, the first positioning component 221 and the second positioning component 222 form a fixing space 240, second conveying surfaces capable of driving the positioning element 111 to move in the fixing space 240 are respectively disposed in the first positioning component 221 and the second positioning component 222, the two second conveying surfaces are oppositely disposed at intervals and form the fixing space 240, the first positioning component 221 and the second positioning component 222 can be mounted in a production site through the mounting seat 210, the two second conveying surfaces extend along the length direction of the positioning element 111, the positioning element 111 can be moved between the first positioning component 221 and the second positioning component 222 through the travelling mechanism and enter the fixing space 240, two side walls of the positioning element 111 are respectively contacted with the two second conveying surfaces, and simultaneously the two positioning element 111 can be moved in the direction of the second positioning element 100 and the second positioning component 222 along the fixing space 571, and the second positioning element can be moved along the second positioning element 100 and the fixing space 571, and the positioning element can be moved along the direction of the second positioning element 100 through the second positioning element 221 and the second positioning component 222. By arranging two second conveying surfaces on two sides of the fixed space 240, the moving efficiency of the positioning piece 111 in the fixed space 240 can be improved, so that the positioning efficiency of the first positioning mechanism 200 on the turnover carrier 100 is improved, and the turnover efficiency of the material 400 is further improved.

It should be noted that the first positioning assembly 221 and the second positioning assembly 222 may be configured as a conveying device capable of driving the positioning member 111 to move, such as a belt conveying device, a roller conveying device, or the like. In some embodiments, as shown in fig. 7, the first positioning assembly 221 and the second positioning assembly 222 each include a plurality of second conveying members 2201, each of the second conveying members 2201 is axially rotatably disposed in the mounting base 210, a first mounting portion 211 and a second mounting portion 212 are oppositely disposed in the mounting base 210, the first mounting portion 211 is used for mounting the first positioning assembly 221, the second mounting portion 212 is used for mounting the second positioning assembly 222, the first mounting portion 211 and the second mounting portion 212 extend along the length direction of the positioning member 111, the plurality of second conveying members 2201 in the first positioning assembly 221 are uniformly disposed at intervals along the extending direction of the first mounting portion 211, the plurality of second conveying members 2201 in the second positioning assembly 222 are uniformly arranged at intervals along the extending direction of the second mounting portion 212, that is, each second conveying member 2201 is axially rotatably mounted in the first mounting portion 211 and the second mounting portion 212, and the second conveying members 2201 passing through the first positioning assembly 221 and the second positioning assembly 222 axially rotate to form two second conveying surfaces located at two sides of the fixed space 240, and drive the positioning member 111 to move in the fixed space 240 through the two second conveying surfaces. In practical application, the positioning element 111 can move relative to the first positioning component 221 and the second positioning component 222 through the travelling mechanism and enter and exit the fixed space 240, meanwhile, each second conveying component 2201 is axially rotated by friction force of the positioning element 111 to further drive the positioning element 111 to move towards the fixed space 240, and the arrangement of each second conveying component 2201 is beneficial to improving the moving efficiency of the positioning element 111 relative to the first positioning component 221 and the second positioning component 222, so that the positioning efficiency of the turnover carrier 100 is improved, and the turnover efficiency of the material 400 is further improved. Alternatively, each of the second conveying members 2201 may employ a roller.

In this embodiment, as shown in fig. 3 and 9, the mounting base 210 is further provided with a third limiting portion 260 located at one side of the first positioning component 221 and the second positioning component 222, the third limiting portion 260 is located at one side of the fixed space 240, the third limiting portion 260 is disposed at an end of a moving path of the positioning member 111 in the fixed space 240, the positioning member 111 moves to contact with the third limiting portion 260 to stop, and the third limiting portion 260 limits a moving distance of the positioning member 111 in the fixed space 240, so as to prevent the positioning member 111 from being separated from the fixed space 240, thereby improving positioning efficiency of the turnover carrier 100 in the first positioning mechanism 200.

In this embodiment, the material turnover mechanism further comprises a guiding structure for guiding the positioning member 111 into the fixing space 240, and the guiding structure is disposed in the positioning member 111 and/or the first positioning mechanism 200.

As shown in fig. 7, one embodiment of the guiding structure is that the guiding structure is disposed in the first positioning mechanism 200, specifically, the guiding structure includes a first guiding component 251 and a second guiding component 252 disposed on one side of the first positioning component 221 and one side of the second positioning component 222, the first guiding component 251 and the second guiding component 252 are disposed opposite to each other and far from the third limiting portion 260, a third conveying surface capable of guiding the positioning component 111 to move toward the fixed space 240 is disposed in each of the first guiding component 251 and the second guiding component 252, the two third conveying surfaces are disposed opposite to each other, and the distance between the two third conveying surfaces is gradually increased toward a direction far from the fixed space 240; the mounting base 210 is provided with a third mounting portion 213 and a fourth mounting portion 214 which are opposite to each other, the third mounting portion 213 is used for mounting the first introducing component 251, the fourth mounting portion 214 is used for mounting the second introducing component 252, the third mounting portion 213 and the fourth mounting portion 214 extend away from the fixed space 240, a third preset included angle is formed between the third mounting portion 213 and the second conveying surface provided in the first positioning component 221, a fourth preset included angle is formed between the fourth mounting portion 214 and the second conveying surface provided in the second positioning component 222, that is, as shown in fig. 8, the third mounting portion 213 and the fourth mounting portion 214 have a third preset included angle and a fourth preset included angle with respect to a central axis between the two (that is, a dashed line in fig. 8, which is parallel to the second conveying surface provided in the first positioning component 221 and the second conveying surface provided in the second positioning component 222), the opposite side of the first introducing component 251 and the second introducing component 252 is provided with the third conveying surface, an introduction space 2501 capable of guiding the positioning member 111 to move towards the inside of the fixed space 240 is formed between the two third conveying surfaces, the introduction space 2501 is disposed at the entrance of the fixed space 240, the distance between the ends of the introduction space 2501 is at least equal to the distance between the fixed spaces 240, the positioning member 111 is guided to move towards the inside of the fixed space 240 by the first introduction component 251 and the second introduction component 252, so as to facilitate the positioning member 111 to move more accurately into the fixed space 240, further improving the positioning efficiency of the turnover carrier 100, and the positioning member 111 is driven to move more quickly into the fixed space 240 by the two third conveying surfaces, so as to improve the positioning efficiency of the turnover carrier 100, and further improve the turnover efficiency of the material 400. The first introducing unit 251 and the second introducing unit 252 may be configured as a conveying device capable of driving the positioning member 111 to move, for example, a belt conveying device, a roller conveying device, etc. In some embodiments, the first introducing assembly 251 and the second introducing assembly 252 each include a plurality of third conveying members 2502, the plurality of third conveying members 2502 in the first introducing assembly 251 are uniformly distributed in the third mounting portion 213 at intervals, the plurality of third conveying members 2502 in the second introducing assembly 252 are uniformly distributed in the fourth mounting portion 214 at intervals, each of the third conveying members 2502 is axially rotatably disposed in the mounting seat 210, that is, each of the third conveying members 2502 is axially rotatably mounted in the third mounting portion 213 and the fourth mounting portion 214, each of the third conveying members 2502 in the first introducing assembly 251 and the second introducing assembly 252 forms two third conveying surfaces on one side of each of the third conveying members 2502 facing the introducing space 2501, each of the third conveying members 2502 is axially rotatable and drives the positioning members 111 to move in the fixing space 240, in practical use, each of the positioning members 111 can axially rotate relative to the first introducing assembly 2501 through the travelling mechanism to thereby further position the second conveying members 2502 in the transferring assembly 111, thereby improving the positioning efficiency of the first introducing assembly and the material by the second conveying members 2501, and further positioning the first conveying members 2 can be axially moved relative to the first introducing assembly 2501, thereby improving the positioning efficiency of the material by the first introducing assembly 2. Alternatively, each of the third conveying members 2502 may employ rollers.

As shown in fig. 9, in a second embodiment of the guiding structure, the guiding structure is disposed in the positioning member 111, specifically, the guiding structure includes a guiding portion 1110 disposed at an end portion of the positioning member 111, the guiding portion 1110 includes a first guiding surface 1111 and a second guiding surface 1112, the first guiding surface 1111 and the second guiding surface 1112 are symmetrically disposed along a length direction of the positioning member 111, and a preset angle with equal size is formed between the first guiding surface 1111 and the second guiding surface 1112 and two side walls of the positioning member 111. When the positioning piece 111 enters the fixed space 240 through the travelling mechanism, the first guiding surface 1111 and the second guiding surface 1112 are opposite to the first positioning component 221 and the second positioning component 222, and the first guiding surface 1111 and the second guiding surface 1112 guide the positioning piece 111 to move into the fixed space 240, so that the positioning piece 111 can more accurately enter the fixed space 240, thereby improving the positioning efficiency of the turnover vehicle 100, and further improving the turnover efficiency of the material 400. It should be noted that the first and second embodiments of the guide structure may be provided simultaneously.

In this embodiment, as shown in fig. 1 and 2, the travelling mechanism includes a plurality of casters 130 disposed at the lower portion of the base 110, each of the casters 130 is disposed at a peripheral side of the positioning member 111 at intervals and opposite to each other, the space 101 for yielding is formed between each of the casters 130 and the base 110, and an opening 102 communicating with the space 101 for yielding is formed between two adjacent casters 130. In order to keep the balance of the turnover carrier 100, at least two casters 130 are provided, preferably four casters 130 are provided, four casters 130 are rectangular and disposed at the lower portion of the base 110, and an open port 102 is formed between two adjacent casters 130, that is, four open ports 102 communicating with the space for giving way 101 are provided below the base 110, so that the first positioning mechanism 200 can enter the space for giving way 101 through the open ports 102, wherein two open ports 102 opposite to each other in the four open ports 102 are respectively an inlet and an outlet of the space for giving way 101, and the four open ports 102 are provided to be adaptable to different extending directions of the first positioning mechanism 200 according to the length direction of the positioning member 111, such as extending along the length direction of the base 110 or extending along the width direction of the base 110. Optionally, the casters 130 may use universal wheels to facilitate movement of the transfer vehicle 100 in a production site.

In some embodiments, as shown in fig. 1-3, 8 and 9, the positioning member 111 is provided with a first auxiliary positioning member 112 and a second auxiliary positioning member 113 at two sides, the first auxiliary positioning member 112 and the second auxiliary positioning member 113 each have a certain thickness, and the left and right sides of the first auxiliary positioning member 112 and the second auxiliary positioning member 113 extend along the length direction of the positioning member 111. The first auxiliary positioning member 112 and the second auxiliary positioning member 113 may be configured as a sheet structure located at two sides of the positioning member 111, and the first auxiliary positioning member 112 and the second auxiliary positioning member 113 are respectively opposite to the two sides of the fixing space 240 on the second conveying surface, so as to reduce friction resistance between the positioning member 111 and the first positioning member 221 and the second positioning member 222, prevent the positioning member 111 from being clamped between the first positioning member 221 and the second positioning member 222, and ensure that the positioning member 111 can smoothly move along the two second conveying surfaces, thereby improving moving efficiency of the positioning member 111 relative to the two second conveying surfaces. It should be noted that the surface roughness of the first auxiliary positioning member 112 and the second auxiliary positioning member 113 may be designed according to the first positioning assembly 221 and the second positioning assembly 222, so that the positioning member 111 can move smoothly in the fixing space 240. During the production process of the transfer carrier 100, the dimensions of the first auxiliary positioning element 112 and the second auxiliary positioning element 113 may be selected according to the thickness of the positioning element 111 and the spacing error of the first positioning element 221 and the second positioning element 222, so that the positioning element 111 is adapted to the fixing space 240, and the first positioning element 221 and the second positioning element 222 can fix the positioning element 111 better. Optionally, the first auxiliary positioning member 112 and the second auxiliary positioning member 113 are integrally formed with or separately provided from the positioning member 111.

In this embodiment, as shown in fig. 1 and 13, the base 110 is further provided with a first mounting bracket 140 for mounting the clamping mechanism, and a supporting mechanism located at one side of the first mounting bracket 140, the clamping mechanism includes a first clamp assembly 121 disposed above the supporting mechanism, the first clamp assembly 121 includes a first clamping jaw 1213 slidably connected to the first mounting bracket 140, and a first clamping groove 1200 disposed in the first clamping jaw 1213, the first clamping groove 1200 faces the supporting mechanism, the first clamping jaw 1213 moves relative to the first mounting bracket 140 along a vertical direction to approach or separate from the supporting mechanism, a material clamping space is formed between the first clamping jaw 1213 and the supporting mechanism, and a first conveying surface 1501 capable of driving the material 400 to move in the material clamping space is disposed in the supporting mechanism. The first mounting bracket 140 is vertically disposed on the upper portion of the base 110, the clamping mechanism and the supporting mechanism are disposed on the same side with respect to the first mounting bracket 140, the clamping mechanism is mounted on the first mounting bracket 140, the supporting mechanism is mounted on the base 110, the first clamp assembly 121 is opposite to the supporting mechanism at intervals, a material clamping space is formed between the first clamp assembly 121 and the supporting mechanism, the material 400 can be placed in the material clamping space, the material 400 is supported by the supporting mechanism, and the material 400 is clamped on the upper side and the lower side of the supporting mechanism through the first clamping jaw 1213. In the process of loading and unloading the material 400, the material 400 can be moved relative to the supporting mechanism in the material clamping space by manpower or mechanical force, and the material 400 is further driven to move by the first conveying surface 1501, so that the loading and unloading efficiency of the material 400 is improved.

In some embodiments, as shown in fig. 1, 2 and 4, the first clamp assembly 121 further includes a first telescopic driving device 1212 connected to the first mounting bracket 140, the first clamping jaw 1213 is connected to the first telescopic driving device 1212, the first telescopic driving device 1212 can drive the first clamping jaw 1213 to move in a vertical direction, a clamping portion 1211 is disposed at a distal end of the first clamping jaw 1213, a bottom surface of the clamping portion 1211 is recessed upward to form the first clamping groove 1200, the first clamping groove 1200 is opened downward, the first clamping jaw 1213 can clamp the material 400 from an upper edge of the material 400 through the first clamping groove 1200, and the first clamping jaw 1213 can move close to or away from the material 400 in the vertical direction through the first telescopic driving device 1212, so as to realize the actions of clamping and fixing the material 400 and releasing the material 400 by the first clamping jaw 1213. The first clamping groove 1200 is adapted to the upper edge contour of the material 400, for example, if the material 400 is in a rectangular sheet structure or a rectangular plate structure, the first clamping groove 1200 may extend in a horizontal direction, that is, the first clamping groove 1200 extends in the direction of the X axis in fig. 1, and if the upper edge contour of the material 400 is arc-shaped, that is, the first clamping groove 1200 is an arc-shaped groove, which is beneficial for the first clamping jaw 1213 to clamp the material 400 better through the first clamping groove 1200, so as to improve the fixing effect of the clamping mechanism on the material 400. In addition, alternatively, the first telescopic driving means 1212 may be provided as a cylinder driving means or the like. It is noted that the first clamping jaw 1213 is moved in a vertical direction by the first telescopic drive 1212, i.e. the first clamping jaw 1213 is moved in a direction in the Z-axis in fig. 1.

In this embodiment, as shown in fig. 1 and 6, the supporting mechanism includes at least one supporting component 150, where the supporting component 150 includes a second mounting bracket 151 connected to the base 110, and a first conveying member 152 axially rotatably disposed in the second mounting bracket 151, where the first conveying member 152 is axially rotated relative to the second mounting bracket 151 and forms the first conveying surface 1501, the second mounting bracket 151 is vertically disposed on the base 110, the first conveying member 152 is disposed near a top end of the second mounting bracket 151, the first conveying member 152 supports the material 400 through the first conveying member 152, during loading and unloading of the material 400, the material 400 is movable relative to the first conveying member 152 by an external force, the first conveying member 152 is axially rotated by a friction force of the material 400 and forms the first conveying surface 1501, the first conveying surface 1501 further drives the material 400 to move, and is also capable of adjusting a position of the material 400, so as to improve loading and unloading efficiency of the material 400, the first conveying member 152 is further provided with a first limit portion 153 and a second limit portion 154 disposed on both sides of the first conveying surface 1501 and a limit portion 153 and a limit portion 154 extending in a first direction and a second limit portion 154 along a vertical direction of the first conveying surface 153 and a first limit portion 154, and a limit portion 154 extending in a direction of the first limit z+two sides of the conveying surface 153. Alternatively, the first conveying member 152 may be a roller.

In other embodiments, as shown in fig. 1, at least two support assemblies 150 are provided, and each support assembly 150 is disposed at intervals along the moving direction of the material 400, so as to facilitate maintaining balance of the material 400. In addition, according to the total length of the material 400, the number of the supporting assemblies 150 may be 2-4, one supporting assembly 150 is correspondingly disposed near the left and right sides of the material 400, and at least one supporting assembly 150 is correspondingly disposed near the middle portion of the material 400.

In this embodiment, as shown in fig. 1 and 5, the clamping mechanism further includes at least one second clamp assembly 122 disposed between the first clamp assembly 121 and the supporting mechanism, the second clamp assembly 122 is located at one side of the material clamping space, the second clamp assembly 122 includes a second clamping jaw 1222 slidably connected to the first mounting bracket 140, and the second clamping jaw 1222 moves in a horizontal direction relative to the first mounting bracket 140 to approach or separate from the material clamping space, and the first clamp assembly 121, the second clamp assembly 122 and the supporting mechanism together form the material clamping space, so as to enhance the fixing effect of the clamping mechanism on the material 400 and protect the safety of the material 400. The second clamp assembly 122 may be disposed on the left side or the right side of the material clamping space, the material 400 may enter and exit the material clamping space through a side opposite to the second clamp assembly 122, a contact surface 1201 capable of contacting with an outer edge of the material 400 is disposed on a side of the second clamping jaw 1222 facing the material clamping space, and the second clamping jaw 1222 is driven to move close to or far away from the material 400 along a horizontal direction by the second telescopic driving device 1221, so as to realize the actions of fixing the material 400 and loosening the material 400 by the second clamping jaw 1222.

In some embodiments, the second clamp assembly 122 further comprises a second telescopic drive 1221 coupled to the first mounting bracket 140, the second clamping jaw 1222 is coupled to the second telescopic drive 1221, and the second telescopic drive 1221 is capable of driving the second clamping jaw 1222 to move in a horizontal direction. Alternatively, the second telescopic driving device 1221 may be a cylinder driving device or the like. It is noted that the second clamping jaw 1222 is moved in a horizontal direction by the second telescopic drive 1221, i.e. the second clamping jaw 1222 is moved in a direction in the X-axis in fig. 1.

In this embodiment, as shown in fig. 5, a rotation connection portion 1224 is disposed at one side of the second clamping jaw 1222, the second clamping jaw 1222 is driven to rotate relative to the first mounting bracket 140 by the rotation connection portion 1224, and a limiting structure is disposed between the second clamping jaw 1222 and the rotation connection portion 1224, and the limiting structure is used for limiting the second clamping jaw 1222 to rotate relative to the first mounting bracket 140. specifically, the second clamping jaw 1222 is connected to the second telescopic driving device 1221 through a connecting bracket 1223, a rotating connecting portion 1224 is disposed between the second clamping jaw 1222 and the connecting bracket 1223, the second clamping jaw 1222 can rotate relative to the connecting bracket 1223 through the rotating connecting portion 1224, the second clamping jaw 1222 can swing around the rotating connecting portion 1224 by external force relative to the connecting bracket 1223, so that the second clamping jaw 1222 can approach or depart from the material 400, when the contact surface 1201 of the second clamping jaw 1222 is turned to be parallel to the second telescopic driving device 1221, i.e. the contact surface 1201 of the second clamping jaw 1222 is parallel to the material 400 and is opposite to the material 400, the material 400 can enter and exit the material clamping space through the second clamping jaw 1222, when the contact surface 1201 of the second clamping jaw 1222 is turned to be perpendicular to the second telescopic driving device 1221, i.e. the contact surface of the second clamping jaw 1222 is perpendicular to the material 400 and contacts the material 400, and the material 400 can be clamped by the second clamping jaw 1201, thereby enabling the material loading and unloading device 122 to take place, and the material loading device 100 can be clamped by the left and right side. Alternatively, the rotary connection 1224 may be configured as a hinge or an electric rotary device, or the like. As shown in fig. 5, the limiting structure is provided as a positioning pin 1225 connected between the second clamping jaw 1222 and the connecting bracket 1223, and the positioning pin 1225 is used to limit the rotation of the second clamping jaw 1222 relative to the connecting bracket 1223. The second clamping jaw 1222 and the connecting bracket 1223 are respectively provided with a first through hole and a second through hole for accommodating the positioning pin 1225, when the positioning pin 1225 penetrates through the first through hole and the second through hole simultaneously, the positioning pin 1225 is used for fixing the second clamping jaw 1222 and the connecting bracket 1223, so that the overturning of the second clamping jaw 1222 is limited, the contact between the second clamping jaw 1222 and the material 400 is facilitated, the fixing effect of the second clamping jaw 1222 on the material 400 is enhanced, when the positioning pin 1225 exits from the first through hole and is placed in the second through hole, the positioning pin 1225 is used for eliminating the fixing of the second clamping jaw 1222, so that the second clamping jaw 1222 can be overturned relative to the connecting bracket 1223, the positioning pin 1225 is placed in the connecting bracket 1223 through the second through hole simultaneously, the positioning pin 1225 is prevented from being lost, preferably, the first through hole and the second through hole are arranged as an inner threaded hole, and the outer wall of the positioning pin 1225 is provided with an outer threaded hole engaged with the outer threaded hole. In other embodiments, the second clamping jaw 1222 and the connecting bracket 1223 are provided with the positioning pin 1225 on both the upper and lower sides.

In other embodiments, as shown in fig. 1, two second clamp assemblies 122 may be provided, and two second clamp assemblies 122 are disposed on the left and right sides of the material clamping space, two second clamping jaws 1222 are connected to a second telescopic driving device 1221 through connecting brackets 1223, positioning pins 1225 are disposed between the two second clamping jaws 1222 and the respective connecting brackets 1223, and the fixing effect of the clamping mechanism on the material 400 is further enhanced by disposing the second clamp assemblies 122 on the left and right sides of the material clamping space.

It should be noted that all products that can be held and fixed by the clamping mechanism can be transported by using the turnover vehicle 100 of the present utility model, and are not limited to the vacuum coating products exemplified above.

In this embodiment, as shown in fig. 1, a handle 160 is disposed on one side of the first mounting bracket 140. The handle 160 is disposed on a side of the first mounting bracket 140 away from the clamping mechanism, which is advantageous for a production person to push the turnover vehicle 100. Further, handles 160 may be disposed on both left and right sides of the first mounting bracket 140.

Embodiment two:

the second embodiment is different from the first embodiment in that the turnover vehicle 100 further includes an electric control mechanism electrically connected to the travelling mechanism, and the travelling mechanism is driven to operate by the electric control mechanism, and the base 110 is driven to move by the travelling mechanism. The electric control mechanism can be driven by a producer in a wireless, remote control, PLC programming and other control modes, and the running mechanism is driven to run by the electric control mechanism, so that the automatic running of the turnover carrier 100 is realized. In addition, the electric control mechanism can be electrically connected with each telescopic driving device, and production personnel can adjust the running state of each telescopic driving device through the electric control mechanism.

In other embodiments, the handle 160 and the electric control mechanism may be provided on the turnover vehicle 100 at the same time, so as to facilitate a flexible choice of manually driving or electrically driving the turnover vehicle 100 by a producer, so that the turnover vehicle 100 is suitable for a production site with a complex environment.

Embodiment III:

The third embodiment may be a further improvement on the above embodiment, as shown in fig. 10-13, where the material turnover mechanism further includes a second positioning mechanism 300 disposed on one side of the first positioning mechanism 200, the second positioning mechanism 300 includes a third mounting bracket 310, an extension bracket 320 disposed on one side of the third mounting bracket 310, and at least one third clamp assembly 330 connected to the extension bracket 320, the third clamp assembly 330 is located above the first positioning mechanism 200, the third clamp assembly 330 includes a third clamping jaw 332 slidably connected to the extension bracket 320, and the third clamping jaw 332 moves in a vertical direction relative to the extension bracket 320 to approach or separate from the turnover carrier 100, and a second clamping slot 3321 facing the first positioning mechanism 200 is disposed in the third clamping jaw 332. The third mounting bracket 310 is vertically disposed in the production site and is located at one side of the first positioning mechanism 200, the extension bracket 320 is disposed near the top of the third mounting bracket 310, the extension bracket 320 extends to one side and is disposed above the first positioning mechanism 200, the extension bracket 320 is provided with the third clamp assembly 330 opposite to the first positioning mechanism 200, when the third clamp assembly 330 operates, the third clamp 332 can clamp the material 400 through the second clamp slot 3321, and the third clamp 332 moves along the vertical direction near or far away from the material 400, so as to realize the actions of clamping the fixed material 400 and releasing the material 400 by the third clamp 332.

In some embodiments, the third clamp assembly 330 further includes a third telescopic driving device 331 connected to the extension bracket 320, the third clamping jaw 332 is connected to the third telescopic driving device 331, and the third telescopic driving device 331 can drive the third clamping jaw 332 to move in a vertical direction, that is, the third clamping jaw 332 moves along a direction in a Z axis in fig. 1, and the third clamping jaw 332 is driven by the third telescopic driving device 331 to move close to or far from the material 400 in the vertical direction, so as to realize the actions of clamping and fixing the material 400 by the third clamping jaw 332 and loosening the material 400.

For example, during loading, the turnover carrier 100 filled with the material 400 is positioned by the first positioning mechanism 200, the third clamp assembly 330 in the second positioning mechanism 300 moves down, the material 400 is clamped by the third clamp assembly 300 and the supporting mechanism in the turnover carrier 100, the clamping mechanism in the Zhou Zhuaizai can cancel clamping of the material, then the material 400 is clamped by the automatic material conveying mechanism, the material is supported by the supporting mechanism, the third clamp assembly 330 releases the material and moves up for resetting, and then the material 400 is conveyed to the vacuum coating production line by the automatic material conveying mechanism, and the turnover carrier 100 can withdraw from the first positioning mechanism 200 after the automatic material conveying mechanism clamps the material, and the step of loading the material 400 is repeated. For another example, during blanking, the empty turnover carrier 100 is positioned by the first positioning mechanism 200, the product with the coating film completed is placed on the supporting mechanism of the turnover carrier 100 by the automatic material conveying mechanism, the product is fixed by the cooperation of the automatic material conveying mechanism and the supporting mechanism, then after the product is clamped by the third clamp assembly 330 together with the supporting mechanism, the clamping of the product by the automatic material conveying mechanism is canceled, and after the product is released by the automatic material conveying mechanism, the product can be returned to the vacuum coating production line, then the product is clamped by the clamping mechanism of the turnover carrier 100, the product is supported by the supporting mechanism, then the product is released by the third clamp assembly 330 and moves upwards for resetting, and the turnover carrier 100 can move to a product storage area for discharging with the product with the coating film completed.

In the feeding and discharging process, the third clamp assembly 330 is used for assisting in transferring materials between the automatic material conveying mechanism and the turnover carrier 100, meanwhile, the supporting mechanism is used for supporting the materials, the materials are protected, the materials are prevented from falling off, particularly, some larger and heavier workpieces are protected, and after the automatic material conveying mechanism clamps the materials during feeding, the Zhou Zhuaizai tools can be removed and subjected to the next step, so that the recycling of the turnover carrier and the turnover efficiency of the turnover carrier 100 are improved.

In other embodiments, two third clamp assemblies 330 are provided to facilitate balancing the material 400 and enhance the fixing effect of the third clamp assemblies 330 on the material 400.

It should be noted that, as shown in fig. 12, when the turnover carrier 100 is fixed in the first positioning mechanism 200, in order to achieve accurate gripping of the material 400 by the third gripper 332, the second gripping groove 3321, the first gripping groove 1200 and the first conveying surface 1501 are located in the same vertical direction (i.e. the direction indicated by the dashed line in fig. 12).

In some embodiments, as shown in fig. 11 and 12, the third clamping jaw 332 is further provided with a plurality of third auxiliary positioning members 3322 located at two sides of the second clamping groove 3321, and the third auxiliary positioning members 3322 may be arranged and distributed at equal intervals in the third clamping jaw 332, each third auxiliary positioning member 3322 extends toward the second clamping groove 3321, and contacts with the material 400 via the third auxiliary positioning members 3322 to further fix the material 400, thereby enhancing the fixing effect of the third clamping jaw 332 on the material 400. In other embodiments, the portion of the third auxiliary positioning element 3322 contacting the material 400 may be a flexible material portion, where the material 400 is a glass product, and the material 400 is protected from being scratched by the flexible material portion when the material 400 is clamped.

The foregoing examples are provided to further illustrate the technical contents of the present utility model for the convenience of the reader, but are not intended to limit the embodiments of the present utility model thereto, and any technical extension or re-creation according to the present utility model is protected by the present utility model. The protection scope of the utility model is subject to the claims.

Claims

1. The utility model provides a turnover carrier, its characterized in that, turnover carrier (100) include base (110), locate clamping mechanism on base (110), be used for driving running gear that base (110) removed, clamping mechanism is used for clamping material (400), the bottom of base (110) with be equipped with between the running gear and communicate outside space (101) of stepping down, the lower part of base (110) is equipped with setting element (111), the bottom of setting element (111) extends downwards along vertical direction and stretches into in space (101) of stepping down.

2. The turnover vehicle according to claim 1, wherein the travelling mechanism comprises a plurality of casters (130) arranged at the lower part of the base (110), each caster (130) is arranged at the periphery side of the positioning piece (111) at intervals oppositely, the yield space (101) is formed between each caster (130) and the base (110), and an opening (102) communicated with the yield space (101) is formed between two adjacent casters (130).

3. An epicyclic carrier according to claim 1, wherein a first auxiliary positioning member (112) and a second auxiliary positioning member (113) are provided on both sides of said positioning member (111), said first auxiliary positioning member (112) and said second auxiliary positioning member (113) extending in the longitudinal direction of said positioning member (111).

4. The turnover carrier of claim 1, wherein the base (110) is further provided with a first mounting bracket (140) for mounting the clamping mechanism and a supporting mechanism positioned at one side of the first mounting bracket (140), the clamping mechanism comprises a first clamp assembly (121) arranged above the supporting mechanism, the first clamp assembly (121) comprises a first clamping jaw (1213) connected to the first mounting bracket (140) in a sliding manner, a first clamping groove (1200) is formed in the first clamping jaw (1213), the first clamping groove (1200) faces the supporting mechanism, and the first clamping jaw (1213) moves relative to the first mounting bracket (140) along a vertical direction to be close to or far away from the supporting mechanism;

A material clamping space is formed between the first clamping jaw (1213) and the supporting mechanism, and a first conveying surface (1501) capable of driving the material (400) to move in the material clamping space is arranged in the supporting mechanism;

A handle (160) is arranged on one side of the first mounting bracket (140).

5. An epicyclic carrier according to claim 4, wherein said support means comprises at least one support assembly (150), said support assembly (150) comprising a second mounting bracket (151) connected to said base (110), a first transport member (152) axially rotatably arranged in said second mounting bracket (151), said first transport member (152) axially rotating with respect to said second mounting bracket (151) and forming said first transport surface (1501), said first transport member (152) further being provided with a first stop (153) and a second stop (154) on either side of said first transport surface (1501).

6. The transfer carrier of claim 4, wherein the clamping mechanism further comprises at least one second clamp assembly (122) disposed between the first clamp assembly (121) and the support mechanism, the second clamp assembly (122) being located on one side of the material clamping space, the second clamp assembly (122) comprising a second clamping jaw (1222) slidably coupled to the first mounting bracket (140), the second clamping jaw (1222) being movable in a horizontal direction relative to the first mounting bracket (140) to approach or depart from the material clamping space;

A rotary connecting part (1224) is arranged on one side of the second clamping jaw (1222), and the second clamping jaw (1222) is driven to rotate relative to the first mounting bracket (140) through the rotary connecting part (1224);

A limiting structure is arranged between the second clamping jaw (1222) and the rotating connecting part (1224), and the limiting structure is used for limiting the second clamping jaw (1222) to rotate relative to the first mounting bracket (140).

7. The transfer vehicle of claim 1, wherein the transfer vehicle (100) further comprises an electric control mechanism electrically connected to the travelling mechanism, the travelling mechanism being actuated by the electric control mechanism and the base (110) being actuated by the travelling mechanism.

8. A material turnover mechanism, characterized by comprising a turnover carrier (100) according to any one of claims 1-7, a first positioning mechanism (200) for positioning the turnover carrier (100), wherein the yielding space (101) can be penetrated by the first positioning mechanism (200), the first positioning mechanism (200) comprises a fixing space (240) matched with the positioning piece (111), and the positioning piece (111) is clamped by the fixing space (240).

9. The material turnover mechanism as set forth in claim 8, wherein the first positioning mechanism (200) further comprises a mounting seat (210), a first positioning component (221) and a second positioning component (222) which are oppositely arranged in the mounting seat (210), the first positioning component (221) and the second positioning component (222) form the fixed space (240), the first positioning component (221) and the second positioning component (222) are respectively provided with a second conveying surface capable of driving the positioning piece (111) to move in the fixed space (240), and the two second conveying surfaces are oppositely arranged;

A third limiting part (260) positioned at one side of the first positioning component (221) and the second positioning component (222) is further arranged on the mounting seat (210), and the third limiting part (260) is positioned at one side of the fixed space (240);

The material transfer mechanism further comprises a guiding structure for guiding the positioning piece (111) into the fixing space (240), and the guiding structure is arranged in the positioning piece (111) and/or the first positioning mechanism (200).

10. The material transfer mechanism of claim 8, further comprising a second positioning mechanism (300) disposed on a side of the first positioning mechanism (200), the second positioning mechanism (300) comprising a third mounting bracket (310), an extension bracket (320) disposed on a side of the third mounting bracket (310), at least one third clamp assembly (330) coupled to the extension bracket (320), the third clamp assembly (330) being disposed above the first positioning mechanism (200), the third clamp assembly (330) comprising a third clamp jaw (332) slidably coupled to the extension bracket (320), the third clamp jaw (332) being movable in a vertical direction relative to the extension bracket (320) to approach or depart from the transfer carrier (100);

The third clamping jaw (332) is provided with a second clamping groove (3321) facing the first positioning mechanism (200) and third auxiliary positioning pieces (3322) positioned on two sides of the second clamping groove (3321).