Full-automatic transporting and carrying equipment for short bars

Abstract

The present application relates to a kind of short rod with full-automatic transport bearing equipment, including support trolley, the bottom of support trolley is arranged with AGV chassis car, the top of support trolley is installed with material bearing mechanism, several pieces of support grid are rotatably installed in material bearing mechanism, workpiece is placed on material bearing mechanism when part of support grid is pressed down, the axial freedom of workpiece is limited by not being pressed down support grid;It also includes positioning unit installed on the side of production equipment, positioning unit includes first positioning mechanism, and second positioning mechanism is symmetrically arranged on the two sides of first positioning mechanism, two second positioning mechanisms make support trolley face first positioning mechanism, first positioning mechanism blocks support trolley advancing, so that workpiece is transported to position.Can be compatible with different types, different sizes of single crystal silicon rod, adopt full-automatic transport mode, can be accurately positioned and parked in specified position, facilitate the accurate gripping of single crystal silicon rod by the manipulator of production equipment.

Description

A fully automated transport and carrying device for short bars Technical Field

[0001] This invention relates to the field of monocrystalline silicon rod manufacturing technology, and in particular to a fully automated transport and carrying device for short rods. Background Technology

[0002] A solar panel is a device that converts solar energy into electrical energy, and the materials used in a solar panel have a decisive impact on its performance. Monocrystalline silicon is one of the most commonly used materials for solar panels, offering advantages such as high conversion efficiency, long lifespan, resistance to performance degradation, and high reliability. The manufacturing process of monocrystalline silicon wafers includes steps such as growing monocrystalline silicon into monocrystalline silicon rods and slicing the monocrystalline silicon rods. During the processing of monocrystalline silicon rods, they need to be transferred to different workstations.

[0003] In existing technologies, monocrystalline silicon rods are transported from upstream to downstream workstations by manually pushing trolleys. However, this method makes it difficult to accurately place the monocrystalline silicon rods in the designated positions, leading to problems such as failed gripping and dropping by the robotic arms of the production equipment. In addition, different auxiliary fixtures are required for monocrystalline silicon rods of different types and lengths, resulting in inconvenient transportation and low transportation efficiency. Summary of the Invention

[0004] In response to the shortcomings of the existing production technology, the applicant provides a fully automated transport and carrying device for short rods with a reasonable structure, which is compatible with different types and sizes of monocrystalline silicon rods. The fully automated transport method can accurately position and stop at the designated location, making it convenient for the robotic arm of the production equipment to accurately grasp the monocrystalline silicon rods.

[0005] The technical solution adopted in this invention is as follows:

[0006] A fully automated transport and carrying device for short bars includes a support trolley, an AGV chassis is arranged at the bottom of the support trolley, and several material-bearing mechanisms are installed on the top of the support trolley. The material-bearing mechanisms provide limiting support for the workpiece. The AGV chassis drives the support trolley to move, thereby transporting the workpiece through the material-bearing mechanisms. Several support grids are rotatably installed inside the material-bearing mechanisms. When the workpiece is placed on the material-bearing mechanisms, some of the support grids are crushed. The support grids that are not crushed restrict the axial degree of freedom of the workpiece.

[0007] It also includes a positioning unit installed next to the production equipment. The positioning unit includes a first positioning mechanism and second positioning mechanisms symmetrically arranged on both sides of the first positioning mechanism. The two second positioning mechanisms make the support trolley face the first positioning mechanism. The first positioning mechanism blocks the support trolley from moving forward, thereby making the workpiece transported into place.

[0008] As a further improvement to the above technical solution:

[0009] Several through-beam sensors are installed on both the first and second positioning mechanisms to detect whether there is a workpiece on the material-bearing mechanism.

[0010] The structure of the first positioning mechanism is as follows: it includes a first base, a number of spaced front guard posts are fixed on the top of the first base, a collision protection block is installed on the side end face of a single front guard post, a locking motor is fixed on the first base between two adjacent front guard posts, the output end of the locking motor is connected to a locking pin, and a locking pad is installed on the end of the locking pin.

[0011] When the AGV chassis moves forward with the support trolley towards the first positioning mechanism, the AGV chassis stops after the support trolley contacts the anti-collision block. Then, the locking motor drives the locking pin to rotate, thereby inserting the locking pin into the interior of the support trolley and fixing the support trolley.

[0012] A limit switch is installed on one side of the locking motor.

[0013] Several first positioning columns are also fixed to the top of the first base, and a positioning crossbeam is also fixed to the top of the first positioning columns.

[0014] The structure of the second positioning mechanism is as follows: it includes a second base, on which second positioning columns and side guard columns are fixed at intervals. A baffle is provided on the top of the side guard column, and the baffle corresponds to the material bearing mechanism.

[0015] The working end face of the baffle is flat.

[0016] The structure of the material-bearing mechanism is as follows: it includes a first mounting plate fixed to the top of the support trolley, several parallel slide rails fixed to the top of the first mounting plate, several sliders installed on each slide rail, a second mounting plate fixed to the top of each slider, several parallel third mounting plates arranged at intervals along the long side of the top of the second mounting plate, several support columns fixed between the third mounting plates and the second mounting plates, the support columns supporting the corresponding third mounting plates, and several parallel mounting shafts installed on the top of two adjacent third mounting plates, the axial direction of the mounting shafts being parallel to the long side of the second mounting plate;

[0017] The top center of the second mounting plate is fixed with symmetrically arranged support pads, and the two support pads support the workpiece.

[0018] Several support grids are rotatably mounted on the outer circumference of a single mounting shaft. A return spring is connected between each support grid and the second mounting plate. The return spring causes the corresponding support grid to return to its original position after the workpiece leaves the material-bearing mechanism.

[0019] The structure of the single-piece support grid is as follows: it includes a connecting cylinder, the middle of which has a central hole corresponding to the mounting shaft, and a first crank and a second crank are installed at intervals on the outer circumference of the connecting cylinder, the first crank and the second crank being eccentrically arranged.

[0020] The first crank limits the position of the workpiece;

[0021] The second crank is used to mount the corresponding return spring.

[0022] The bottom of the second mounting plate is fixed with several spaced slides along the long side. A slide rod is installed in the middle of the slide. Supports are fixed at both ends of the slide rod and the two supports are fixed to the top of the support trolley.

[0023] The beneficial effects of this invention are as follows:

[0024] This invention features a compact and reasonable structure, and is easy to operate. By setting up a positioning unit, a material-bearing mechanism, a support trolley, and an AGV chassis, it can complete the fully automatic transportation of workpieces with accurate stopping positions, facilitating the picking and placing of workpieces by robotic arms. At the same time, it can accommodate workpieces of various types and lengths, making transportation convenient, fast, and efficient.

[0025] This invention, by setting up a through-beam sensor in conjunction with a positioning unit, can accurately position the workpiece, making it easier for the robot arm to accurately grasp the workpiece.

[0026] This invention addresses the problem of gripping failure caused by the shaking of the support carriage when a robotic arm grasps or places a workpiece by setting up a locking motor and locking pin.

[0027] By setting up side guard posts and baffles, the present invention can cooperate with the first positioning post to form multiple contacts with the combination of AGV chassis 4, support trolley 5 and material bearing mechanism 3 along the height direction, thereby improving positioning accuracy.

[0028] By setting up a support grid, the present invention enables the material-bearing mechanism 3 to be compatible with different types and sizes of workpieces.

[0029] By incorporating a reset spring, this invention enables the support grid to return to its original position. When a workpiece is placed on the material-bearing mechanism, the support grid in its original position effectively restricts the axial displacement of the workpiece.

[0030] This invention, by setting up a slide rail and a slider, enables the second mounting plate to have a certain degree of freedom and to move back and forth along the slide rail, thereby compensating for deviations in workpiece placement and improving the gripping accuracy of the robot arm. Attached Figure Description

[0031] Figure 1 is a schematic diagram of the structure of the present invention.

[0032] Figure 2 is a top view of Figure 1.

[0033] Figure 3 is a schematic diagram of the positioning unit in this invention.

[0034] Figure 4 is a magnified view of part A in Figure 3.

[0035] Figure 5 is a schematic diagram of the structure of the first positioning mechanism in this invention.

[0036] Figure 6 is a schematic diagram of the structure of the second positioning mechanism in this invention.

[0037] Figure 7 is a schematic diagram of the installation structure of the material-bearing mechanism and the support trolley in this invention.

[0038] Figure 8 is a schematic diagram of the material-bearing mechanism in this invention.

[0039] Figure 9 is an exploded view of the material support mechanism in this invention (partial reset spring omitted).

[0040] Figure 10 is a schematic diagram of the support grid structure in this invention.

[0041] Figure 11 is the front view of Figure 10.

[0042] The components include: 1. First positioning mechanism; 2. Second positioning mechanism; 3. Material support mechanism; 4. AGV chassis; 5. Support trolley; 6. Through-beam sensor; 7. Mounting base; 8. Handle; 9. Wheel;

[0043] 101. First base; 102. Locking motor; 103. Locking pin; 104. Locking pad; 105. Front guard post; 106. Anti-collision block; 107. First positioning post; 108. Positioning beam; 109. Limit switch;

[0044] 201. Second base; 202. Second positioning column; 203. Side guard column; 204. Baffle;

[0045] 301. First mounting plate; 302. Second mounting plate; 303. Third mounting plate; 304. Slide rail; 305. Slider; 306. Support column; 307. Bearing seat; 308. Mounting shaft; 309. Support grid; 310. Support pad; 311. Return spring; 312. Slide rod; 313. Slide block; 314. Support;

[0046] 3091, First crank; 3092, Second crank; 3093, Connecting cylinder; 3094, Center hole. Detailed Implementation

[0047] The specific embodiments of the present invention will now be described with reference to the accompanying drawings.

[0048] As shown in Figures 1-11, a fully automated transport and carrying device for short bars includes a support trolley 5, an AGV chassis 4 arranged at the bottom of the support trolley 5, and several material-bearing mechanisms 3 installed on the top of the support trolley 5. The material-bearing mechanisms 3 provide limiting support for the workpiece. The AGV chassis 4 drives the support trolley 5 to move, thereby transporting the workpiece through the material-bearing mechanisms 3. Several support grids 309 are rotatably installed inside the material-bearing mechanisms 3. When the workpiece is placed on the material-bearing mechanisms 3, some of the support grids 309 are crushed, and the support grids 309 that are not crushed restrict the axial degree of freedom of the workpiece. The device also includes a positioning unit installed next to the production equipment. The positioning unit includes a first positioning mechanism 1 and second positioning mechanisms 2 symmetrically arranged on both sides of the first positioning mechanism 1. The two second positioning mechanisms 2 make the support trolley 5 face the first positioning mechanism 1. The first positioning mechanism 1 blocks the support trolley 5 from moving forward, thereby ensuring that the workpiece is transported to the correct position. The transport carrying device of the present invention is used to transport cylindrical single crystal silicon rod workpieces. It can compatiblely carry and transport workpieces of various types and lengths, and transport the workpieces from one workstation to another, so that the corresponding production equipment in the workstation can grab the workpieces by a robot arm, or place the workpieces that have been processed in the production equipment onto the transport carrying device.

[0049] The transportation and carrying equipment of the present invention includes a positioning unit, a material carrying mechanism 3, an AGV chassis 4, and a support trolley 5;

[0050] The positioning unit is installed at a designated location next to different production equipment to accurately locate the parking position of the AGV chassis 4 and the support trolley 5.

[0051] The AGV chassis 4 is used to move the workpiece via the supporting trolley 5 and the material-carrying mechanism 3;

[0052] The support trolley 5 is used to install the material support mechanism 3. The four corners of the bottom of the support trolley 5 are equipped with wheels 9, and a handle 8 is installed on one side of the top. If necessary, the support trolley 5 can be moved manually.

[0053] The material-bearing mechanism 3 is used to support the workpiece.

[0054] As shown in Figures 1-3, the positioning unit includes a first positioning mechanism 1 and two second positioning mechanisms 2. The two second positioning mechanisms 2 are arranged symmetrically, and the first positioning mechanism 1 is located on one side of the two second positioning mechanisms 2. The center of the first positioning mechanism 1 coincides with the center line of the combination of the two second positioning mechanisms 2, so that the first positioning mechanism 1 and the two second positioning mechanisms 2 enclose a box-shaped structure with an opening. The AGV chassis 4 drives the support trolley 5 and the material-bearing mechanism 3 to drive into the box-shaped structure from the opening.

[0055] The first positioning mechanism 1 restricts the horizontal movement freedom of the AGV chassis 4, support trolley 5, and material-bearing mechanism 3, while the two second positioning mechanisms 2 restrict the horizontal movement freedom of the AGV chassis 4, support trolley 5, and material-bearing mechanism 3 in the left and right directions. This allows for accurate positioning of the AGV chassis 4, support trolley 5, and material-bearing mechanism 3, ensuring accurate stopping positions. This facilitates the accurate picking and placing of workpieces by the robotic arms on the adjacent production equipment, preventing problems such as failed gripping or workpieces falling off.

[0056] As shown in Figures 3-6, several through-beam sensors 6 are installed on both the first positioning mechanism 1 and the second positioning mechanism 2. The through-beam sensors 6 detect whether there is a workpiece on the material receiving mechanism 3.

[0057] As shown in Figure 5, the structure of the first positioning mechanism 1 is as follows: it includes a first base 101, several spaced front guard posts 105 are fixed to the top of the first base 101, a bumper block 106 is installed on the side end face of each front guard post 105, a locking motor 102 is fixed on the first base 101 between two adjacent front guard posts 105, the output end of the locking motor 102 is connected to a locking pin 103, and a locking pad 104 is installed on the end of the locking pin 103; the AGV chassis 4 drives the support trolley 5 to face the first positioning mechanism. When the structure 1 moves forward, after the support trolley 5 contacts the anti-collision block 106, the AGV chassis 4 stops. Then, the locking motor 102 drives the locking pin 103 to rotate, so that the locking pin 103 inserts into the interior of the support trolley 5, thereby fixing the support trolley 5. A limit switch 109 is installed on one side of the locking motor 102. Several first positioning columns 107 are also fixed on the top of the first base 101. The top of the first positioning columns 107 is also fixed to the positioning beam 108. The through-beam sensor 6 is installed on the beam 108 through the mounting base 7.

[0058] By setting the front support column 105 and the limit switch 109, it is possible to accurately identify whether the AGV chassis 4, the support trolley 5, and the material-bearing mechanism 3 have moved into place; by setting the anti-collision block 106, it is possible to buffer the collision between the support trolley 5 and the front support column 105, avoid damage to the internal structure, improve the stability of equipment operation, and extend the service life.

[0059] By setting a locking motor 102 and a locking pin 103, it can cooperate with the support carriage 5 of the frame structure. The locking pin 103 rotates a certain angle (80°-100°) so that the locking pin 103 can hook the support carriage 5, thereby locking and fixing it to prevent the problem of gripping failure caused by the shaking of the support carriage 5 when the robot arm grabs or places the workpiece.

[0060] The locking pad 104 can fill the gap between the locking pin 103 and the support trolley 5, thereby improving the locking effect.

[0061] As shown in Figure 6, the structure of the second positioning mechanism 2 is as follows: it includes a second base 201, on which second positioning columns 202 and side guard columns 203 are fixed at intervals. The through-beam sensor 6 is installed on the top of the second positioning column 202 through the mounting base 7. A baffle 204 is provided on the top of the side guard column 203. The baffle 204 corresponds to the material support mechanism 3, and the working end face of the baffle 204 is flat.

[0062] By setting baffle 204, which corresponds to the material support mechanism 3, its working end face contacts the material support mechanism 3, thereby preventing the AGV chassis 4, support trolley 5, and material support mechanism 3 from moving forward.

[0063] In addition, the baffle 204 is arranged at a height higher than the highest point of the front support column 5, so that the positioning unit can form multiple contact points with the combination of the AGV chassis 4, the support trolley 5 and the material-bearing mechanism 3 along the height direction, thereby improving the positioning accuracy.

[0064] As shown in Figures 8 and 9, the structure of the material-bearing mechanism 3 is as follows: it includes a first mounting plate 301 fixed to the top of the supporting trolley 5; several parallel slide rails 304 are fixed to the top of the first mounting plate 301; several sliders 305 are mounted on each slide rail 304; a second mounting plate 302 is fixed to the top of each slider 305; several parallel third mounting plates 303 are arranged at intervals along the long side of the top of the second mounting plate 302; several support columns 306 are fixed between the third mounting plates 303 and the second mounting plates 302; the support columns 306 support the corresponding third mounting plates 303; and the tops of two adjacent third mounting plates 303... The unit is also equipped with several parallel mounting shafts 308. The mounting shafts 308 are mounted on the top of the third mounting plate 303 via bearing seats 307. The axial direction of the mounting shafts 308 is parallel to the long side of the second mounting plate 302. Symmetrically arranged support pads 310 are fixed at the top center of the second mounting plate 302, and the two support pads 310 support the workpiece. Several support grids 309 are rotatably mounted on the outer circumference of a single mounting shaft 308. A return spring 311 is connected between a single support grid 309 and the second mounting plate 302. The return spring 311 causes the corresponding support grid 309 to return to its original position after the workpiece leaves the material receiving mechanism 3.

[0065] When there is a deviation in the placement of the workpiece on the material receiving mechanism 3, when the robot grabs the workpiece, one of its working end faces contacts the workpiece first. At this time, the slide rail 304 and the slider 305 give the second mounting plate 302 a certain degree of freedom, which can move back and forth along the slide rail 304, so that the workpiece can smoothly fit the other working surface of the robot. By setting the slide rail 304 and the slider 305, the grabbing accuracy of the robot on the workpiece can be further improved.

[0066] To prevent the second mounting plate 302 from falling off the slide rail 304, two limiting blocks are fixed to the top of the first mounting plate 301 to prevent the second mounting plate 302 from moving too far.

[0067] By setting a reset spring 311, the support grid 309 can be returned to its original position, and when a workpiece is placed on the material receiving mechanism 3, the support grid 309 in its original position can effectively limit the axial displacement of the workpiece.

[0068] The bottom of the second mounting plate 302 is fixed with several spaced slide blocks 313 along the long side. A slide rod 312 is installed in the middle of the slide block 313. Supports 314 are fixedly installed at both ends of the slide rod 312. The two supports 314 are fixed to the top of the support trolley 5.

[0069] By setting up the slide bar 312, slide block 313 and support 314, the second mounting plate 302 can be supported, improving its linear motion stability along the slide rail 304.

[0070] As shown in Figures 10 and 11, the structure of the single-piece support grid 309 is as follows: it includes a connecting cylinder 3093, a central hole 3094 corresponding to the mounting shaft 308 is opened in the middle of the connecting cylinder 3093, and a first crank 3091 and a second crank 3092 are installed at intervals on the outer circumference of the connecting cylinder 3093. The first crank 3091 and the second crank 3092 are eccentrically arranged. As shown in Figure 11, the deflection angle θ of the first crank 3091 relative to the second crank 3092 is 20°. The first crank 3091 limits the workpiece. The second crank 3092 is used to install the corresponding return spring 311.

[0071] The support grids 309 on the outer circumference of the mounting shaft 308 are connected and arranged along the axial direction of the mounting shaft 308. The gap between two adjacent support grids 309 is small. When different types and lengths of workpieces are placed on the material support mechanism 3, the number of support grids 309 that are pressed down varies. Longer workpieces have more support grids 309 pressed down, while shorter workpieces have fewer support grids 309 pressed down. The remaining unpressed support grids 309 can effectively limit the axial displacement of the workpiece, so that the material support mechanism 3 can be compatible with different types and sizes of workpieces.

[0072] The working process of this invention is as follows:

[0073] Once the upstream workstation's production equipment has finished processing the workpiece, the AGV chassis 4 starts, driving the support trolley 5 to move. It is positioned by the positioning unit next to the upstream workstation's production equipment and finally stops at the first target position.

[0074] Subsequently, the robotic arm equipped on the production equipment of the upstream station grabs the workpiece inside the production equipment and places the workpiece on the material-bearing mechanism 3 for unloading. When the material-bearing mechanism 3 on the support trolley 5 is fully loaded, or when there are no more workpieces in the production equipment of the upstream station, the AGV chassis 4 starts again and drives the workpiece to the downstream station or temporary storage station through the support trolley 5 and the material-bearing mechanism 3.

[0075] When the AGV chassis 4 moves to the downstream workstation, it is positioned by the positioning unit next to the production equipment in the downstream workstation and finally stops at the second target position.

[0076] Subsequently, the robotic arm equipped on the production equipment of the downstream station grabs the workpiece on the material-bearing mechanism 3 and picks up the material. When the material-bearing mechanism 3 on the support trolley 5 is unloaded, or when the production equipment of the downstream station can no longer place workpieces, the AGV chassis 4 starts again, driving the support trolley 5 and the material-bearing mechanism 3 away.

[0077] The above description is an explanation of the present invention and not a limitation thereof. The scope of the present invention is defined by the claims. Within the scope of protection of the present invention, any form of modification may be made.

Claims

1. A fully automated transport and carrying device for short bars, characterized in that: The system includes a support trolley (5), with an AGV chassis (4) arranged at the bottom of the support trolley (5). Several material-bearing mechanisms (3) are installed on the top of the support trolley (5). The material-bearing mechanisms (3) provide limiting support for the workpiece. The AGV chassis (4) drives the support trolley (5) to move, thereby transporting the workpiece through the material-bearing mechanisms (3). Several support grids (309) are rotatably installed inside the material-bearing mechanisms (3). When the workpiece is placed on the material-bearing mechanism (3), some of the support grids (309) are crushed. The support grids (309) that are not crushed restrict the axial degree of freedom of the workpiece. The positioning unit installed next to the production equipment includes a first positioning mechanism (1) and second positioning mechanisms (2) symmetrically arranged on both sides of the first positioning mechanism (1). The two second positioning mechanisms (2) make the support trolley (5) face the first positioning mechanism (1), and the first positioning mechanism (1) blocks the support trolley (5) from moving forward, thereby making the workpiece transported to the position. The structure of the material receiving mechanism (3) is as follows: it includes a first mounting plate (301) fixed to the top of the support trolley (5), and several parallel slide rails (30) are fixed to the top of the first mounting plate (301). 4) Several sliders (305) are installed on a single slide rail (304). A second mounting plate (302) is fixed to the top of each slider (305). Several parallel third mounting plates (303) are arranged at intervals along the long side of the top of the second mounting plate (302). Several support columns (306) are fixed between the third mounting plate (303) and the second mounting plate (302). The support columns (306) support the corresponding third mounting plate (303). Several parallel mounting shafts are installed on the top of two adjacent third mounting plates (303). 308), the axial direction of the mounting shaft (308) is parallel to the long side of the second mounting plate (302); the top center of the second mounting plate (302) is fixed with symmetrically arranged support pads (310), and the two support pads (310) support the workpiece; several support grids (309) are rotatably mounted on the outer circumference of a single mounting shaft (308), and a return spring (311) is connected between a single support grid (309) and the second mounting plate (302), and the return spring (311) causes the corresponding support grid (309) to return to its original position after the workpiece leaves the material bearing mechanism (3); The structure of the single-piece support grid (309) is as follows: it includes a connecting cylinder (3093), the middle of which has a central hole (3094) corresponding to the mounting shaft (308), and a first crank (3091) and a second crank (3092) are installed at intervals on the outer circumference of the connecting cylinder (3093). The first crank (3091) and the second crank (3092) are eccentrically arranged; the first crank (3091) limits the workpiece; and the second crank (3092) is used to install the corresponding return spring (311).

2. The fully automatic transport and carrying device for short bars as described in claim 1, characterized in that: Several through-beam sensors (6) are installed on both the first positioning mechanism (1) and the second positioning mechanism (2). The through-beam sensors (6) detect whether there is a workpiece on the material receiving mechanism (3).

3. The fully automatic transport and carrying device for short bars as described in claim 1, characterized in that: The structure of the first positioning mechanism (1) is as follows: it includes a first base (101), and a number of spaced front guard posts (105) are fixed on the top of the first base (101). A collision block (106) is installed on the side end face of a single front guard post (105). A locking motor (102) is fixed on the first base (101) between two adjacent front guard posts (105). The output end of the locking motor (102) is connected to a locking pin (103). A locking pad (104) is installed on the end of the locking pin (103). When the AGV chassis (4) drives the support trolley (5) to move forward in front of the first positioning mechanism (1), the support trolley (5) contacts the collision block (106), and the AGV chassis (4) stops. Then the locking motor (102) drives the locking pin (103) to rotate, so that the locking pin (103) is inserted into the interior of the support trolley (5), thereby fixing the support trolley (5).

4. The fully automatic transport and carrying device for short bars as described in claim 3, characterized in that: A limit switch (109) is installed on one side of the locking motor (102).

5. The fully automatic transport and carrying device for short bars as described in claim 3, characterized in that: The top of the first base (101) is also fixed with several first positioning columns (107), and the top of the first positioning columns (107) is also fixed with a positioning beam (108).

6. The fully automatic transport and carrying device for short bars as described in claim 1, characterized in that: The structure of the second positioning mechanism (2) is as follows: it includes a second base (201), on which a second positioning column (202) and a side baffle column (203) are fixed at intervals. A baffle (204) is provided on the top of the side baffle column (203), and the baffle (204) corresponds to the material support mechanism (3).

7. The fully automatic transport and carrying device for short bars as described in claim 6, characterized in that: The working end face of the baffle (204) is flat.

8. The fully automatic transport and carrying device for short bars as described in claim 1, characterized in that: The bottom of the second mounting plate (302) is fixed with several spaced slides (313) along the long side. A slide rod (312) is installed in the middle of the slide (313). Supports (314) are fixedly installed at both ends of the slide rod (312). The two supports (314) are fixed to the top of the support trolley (5).

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