Centering table conveying mechanism with positioning structure

Abstract

The invention discloses a centering table conveying mechanism with a positioning structure, and relates to the technical field of conveying equipment. The part centering device comprises a rack, a plurality of conveying rollers are installed on the inner side of the rack and are in transmission connection with one another, and a centering assembly is arranged on the lower side of the rack and is matched with a gap between every two adjacent conveying rollers, so that centering treatment is conveniently conducted on parts in the conveying process, and the parts are conveyed rightwards along the center position; and the positioning assembly is arranged on one side of the centering assembly, so that the parts conveyed to the machining areas can be conveniently positioned and clamped, further machining treatment can be conveniently conducted on the parts, and the situation that the positions of the parts deviate, consequently, machining errors are caused, and the quality of the parts is affected is effectively avoided.

Description

Technical Field

[0001] The present invention belongs to the technical field of conveying equipment, and particularly relates to a centering table conveying mechanism with a positioning structure. Background Art

[0002] The centering table conveying mechanism is a device used on an automated production line, mainly used to ensure that materials maintain the correct position and alignment during the conveying process. During the machining process of mechanical parts, it is often necessary to use a conveying mechanism to transport parts from one station to the next station for processing different processes of the parts. In order to ensure that the parts can be accurately moved to the designated position, it is necessary to use a centering table to perform centering processing on the parts to be processed.

[0003] Currently, in the process of using the existing conveying mechanism with a centering function, most use air cylinders to perform centering processing on the parts to be processed, which easily causes excessive clamping forces on both sides of the parts, affecting the forward conveying of the workpieces, with poor use effects. And during the use process, it only has the function of centering the parts to be processed, making the workpieces move closer to the center, lacking a corresponding positioning structure. When the workpieces are transported in place and processed such as punching or cutting, due to the too fast conveying speed or the vibration during the operation of the equipment, the parts will shift in position and cannot be directly opposite to the processing station, affecting the processing quality of the parts.

[0004] In view of this, we designed a centering table conveying mechanism with a positioning structure to solve the above problems. Summary of the Invention

[0005] To solve the above technical problems, the present invention is realized through the following technical solutions:

[0006] The present invention is a centering table conveying mechanism with a positioning structure, including a frame. A plurality of conveying rollers are installed inside the frame, and the plurality of conveying rollers are drivingly connected to each other. A motor for driving the conveying rollers to rotate is arranged at the rear side of the frame. A centering component is arranged at the lower side of the frame, and the centering component is matched with the gap between two adjacent conveying rollers. A positioning component is arranged at one side of the centering component, and the positioning component includes:

[0007] A support plate, the support plate is arranged at the lower side of the frame. A rotating rod is rotatably arranged on the support plate. The upper end of the rotating rod is connected with a screw rod. A movable plate is threadedly arranged on the outer side of the screw rod. A strip-shaped plate is movably arranged above the screw rod. Struts are fixed between the top of the movable plate and the front and rear sides of the strip-shaped plate. A plurality of ejector rods are fixed on the top of the strip-shaped plate. A top plate is fixed between the upper ends of the plurality of ejector rods, and the top plate is matched with the gap between two adjacent conveying rollers;

[0008] The first gear is arranged on the rotating rod. Rack bars are engaged with both the left and right sides of the first gear. A support rod is fixed to the top of the rack bar, and a clamping plate is fixed to the upper end of the support rod.

[0009] The centering assembly includes a base which is arranged on the lower side of the frame. A fixing plate is arranged on the upper side of the base and under the conveying roller. A number of U-shaped frames are hinged to both the front and rear sides of the fixing plate. An extrusion roller is rotatably arranged inside the U-shaped frame, and the U-shaped frame is matched with the gap between two adjacent conveying rollers.

[0010] Two screw rods are rotatably arranged between the top of the base and the frame. A lifting plate is arranged on the screw rods in a threaded manner. Connecting blocks are fixed to one end of the two lifting plates close to each other. A number of connecting rods are fixed to the top of the connecting block, and the connecting rods correspond to the U-shaped frames one by one. A chute with a T-shaped structure is opened on the side of the U-shaped frame away from the extrusion roller. A slider with a T-shaped structure is slidably arranged in the chute, and the upper end of the connecting rod is hinged to the slider.

[0011] An installation frame is fixed to the top of the base. A dual-axis motor is installed inside the installation frame. The output end of the dual-axis motor is connected to a support shaft, and the support shaft is rotationally matched with the installation frame. The end of the support shaft away from the installation frame is connected to a first bevel gear. A second bevel gear is arranged on the lower side of the outer wall of the screw rod, and the first bevel gear is engaged with the second bevel gear.

[0012] A fixing rod is fixed between the top of the installation frame and the bottom of the fixing plate. Two guide rods are arranged oppositely on both sides of the screw rod. The guide rods penetrate through the lifting plate, and the lifting plate is slidably matched with the guide rods. The upper end of the guide rod is fixed to the frame, and the lower end of the guide rod is fixed to a disc.

[0013] The positioning assembly further includes a servo motor, a T-shaped groove, a T-shaped block, and a limiting rod. The servo motor is installed at the bottom of the support plate, and the output end of the servo motor is connected to the lower end of the rotating rod. A number of support legs are fixed to the bottom of the support plate.

[0014] Two T-shaped grooves are oppositely opened on the top of the support plate. The T-shaped block is slidably arranged in the T-shaped groove, and the upper ends of the two T-shaped blocks are respectively fixed to the rack bars on both sides.

[0015] Two limiting rods are arranged oppositely on the front and rear sides of the first gear. The lower end of the limiting rod is fixed to the support plate. The limiting rod penetrates through the movable plate, and the movable plate is slidably matched with the limiting rod. A limiting plate is fixed to the upper end of the limiting rod.

[0016] On one side of the top of the frame, a fixing frame is provided. On the top inside the fixing frame, a processing component is provided. An infrared sensor is inclinedly installed on the inner wall of the fixing frame, and a controller is installed at the front end of the fixing frame.

[0017] The present invention has the following beneficial effects:

[0018] In the present invention, the conveying rollers facilitate the conveying of the parts to be processed. Combined with the centering component, it is convenient to perform centering processing on the parts during the conveying process. Among them, the rotating rod facilitates driving the screw to rotate. Under the threaded fit of the movable plate and the screw, the movable plate is driven to move upward. Combined with the support rod, the strip-shaped plate is driven to move upward. Cooperating with the ejector rod, the top plate is further driven to move upward through the gap between two adjacent conveying rollers, jacking up the part. At the same time, during the rotation of the rotating rod, the first gear is driven to rotate. Combined with the meshing effect of the first gear and the rack, the racks on both sides are synchronously driven to move. Combined with the support rod, the two clamping plates are driven to approach each other, clamping the two sides of the part jacked up by the top plate to ensure the stability of the part and avoid the phenomenon of part deviation when processing the part, ensuring the processing quality of the part, and solving the problem that in the existing conveying mechanism with centering function during use, it only has the function of centering the parts to be processed and making the workpiece approach the center, lacking a corresponding positioning structure. When the workpiece is transported in place and processed such as punching or cutting, due to the too fast conveying speed or the vibration influence during the operation of the equipment, the part has a position deviation and cannot be directly opposite to the processing station, affecting the processing quality of the part.

[0019] Of course, it is not necessary for any product implementing the present invention to achieve all the above-mentioned advantages simultaneously. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the following drawings are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0021] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0022] Figure 2 It is a front view of the present invention;

[0023] Figure 3 For Figure 2 It is a schematic diagram of the structure of section A-A in

[0024] Figure 4 For Figure 2 It is a schematic diagram of the structure of section B-B in

[0025] Figure 5 is Figure 1 The enlarged structural schematic diagram of position C in

[0026] Figure 6 is Figure 4 The enlarged structural schematic diagram of position D in

[0027] Figure 7 is Figure 1 The structural schematic diagram from another perspective;

[0028] Figure 8 is Figure 7 The enlarged structural schematic diagram of position E in

[0029] Figure 9 is Figure 7 The enlarged structural schematic diagram of position F in

[0030] Figure 10 is the structural schematic diagram of the centering component in the present invention;

[0031] Figure 11 is Figure 10 The structural schematic diagram from another perspective;

[0032] Figure 12 is the structural schematic diagram of the positioning component in the present invention;

[0033] Figure 13 is Figure 12 The enlarged structural schematic diagram of position G in

[0034] In the drawings, the list of components represented by each reference numeral is as follows:

[0035] 1. Frame; 2. Conveyor roller; 3. Base; 4. Fixed plate; 5. U-shaped frame; 6. Extrusion roller; 7. Lead screw; 8. Lifting plate; 9. Connecting block; 10. Connecting rod; 11. First bevel gear; 12. Second bevel gear; 13. Mounting bracket; 14. Fixed rod; 15. Biaxial motor; 16. Support shaft; 17. Guide rod; 18. Support plate; 19. Rotating rod; 20. Screw; 21. Movable plate; 22. Support rod; 23. Strip-shaped plate; 24. Jacking rod; 25. Top plate; 26. First gear; 27. Rack; 28. Support rod; 29. Clamping plate; 30. Servo motor; 31. T-shaped groove; 32. T-shaped block; 33. Limit rod; 34. Fixed bracket; 35. Infrared sensor; 36. Controller. Detailed implementation manners

[0036] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0037] In the description of the present invention, it should be understood that the terms "upper", "middle", "outer", "inner", etc. indicating the orientation or position relationship are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the components or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus cannot be construed as a limitation to the present invention.

[0038] Please refer to Figures 1 - 13 As shown in the figure, the present invention is a centering table conveying mechanism with a positioning structure, including a frame 1. A number of conveying rollers 2 are installed inside the frame 1, and the number of conveying rollers 2 are drivingly connected to each other. A motor for driving the rotation of the conveying rollers 2 is provided at the rear side of the frame 1. A centering component is provided at the lower side of the frame 1, and the centering component is matched with the gap between two adjacent conveying rollers 2. A positioning component is provided on one side of the centering component, and the positioning component includes:

[0039] A support plate 18, the support plate 18 is arranged at the lower side of the frame 1. A rotating rod 19 is rotatably arranged on the support plate 18. The upper end of the rotating rod 19 is connected to a screw rod 20. A movable plate 21 is threadedly arranged on the outer side of the screw rod 20. A strip plate 23 is movably arranged above the screw rod 20. Support rods 22 are fixed between the top of the movable plate 21 and the front and rear sides of the strip plate 23. A number of ejector rods 24 are fixed on the top of the strip plate 23. A top plate 25 is fixed between the upper ends of the number of ejector rods 24, and the top plate 25 is matched with the gap between two adjacent conveying rollers 2;

[0040] A first gear 26, the first gear 26 is arranged on the rotating rod 19. A rack 27 is meshed on both the left and right sides of the first gear 26. A support rod 28 is fixed on the top of the rack 27. A clamping plate 29 is fixed on the upper end of the support rod 28.

[0041] In the above structure, the conveying roller 2 facilitates the conveying of the parts to be processed. The rotating rod 19 facilitates driving the screw rod 20 to rotate. Under the thread fit between the movable plate 21 and the screw rod 20, the movable plate 21 is driven to move upward. Combining with the support rod 22, the strip-shaped plate 23 is driven to move upward. Cooperating with the ejector rod 24, the top plate 25 is driven to move upward through the gap between two adjacent conveying rollers 2, jacking up the part. At the same time, during the rotation of the rotating rod 19, the first gear 26 is driven to rotate. Combining with the meshing effect between the first gear 26 and the rack 27, the two racks 27 on both sides are driven to move synchronously. Combining with the support rod 28, the two clamping plates 29 are driven to approach each other, clamping both sides of the part jacked up by the top plate 25 to ensure the stability of the part and avoid the phenomenon of part deviation during the processing of the part, ensuring the processing quality of the part.

[0042] The centering assembly includes a base 3. The base 3 is arranged on the lower side of the frame 1. A fixed plate 4 is arranged on the upper side of the base 3. The fixed plate 4 is arranged on the lower side of the conveying roller 2. A plurality of U-shaped frames 5 are hinged on both the front and rear sides of the fixed plate 4. A pressing roller 6 is rotatably arranged inside the U-shaped frame 5. The U-shaped frame 5 is matched with the gap between two adjacent conveying rollers 2. Two lead screws 7 are rotatably arranged between the top of the base 3 and the frame 1. A lifting plate 8 is arranged on the lead screws 7 in a threaded manner. Connecting blocks 9 are fixed at one ends of the two lifting plates 8 close to each other. A plurality of connecting rods 10 are fixed at the top of the connecting block 9. The connecting rods 10 correspond to the U-shaped frames 5 one by one. A T-shaped chute is formed on the side of the U-shaped frame 5 away from the pressing roller 6. A T-shaped slider is slidably arranged in the chute. The upper end of the connecting rod 10 is hinged to the slider.

[0043] An installation frame 13 is fixed on the top of the base 3. A dual-axis motor 15 is installed inside the installation frame 13. The output end of the dual-axis motor 15 is connected with a support shaft 16. The support shaft 16 is rotationally matched with the installation frame 13. One end of the support shaft 16 away from the installation frame 13 is connected with a first bevel gear 11. A second bevel gear 12 is arranged on the lower side of the outer wall of the lead screw 7. The first bevel gear 11 is meshed with the second bevel gear 12.

[0044] The biaxial motor 15 facilitates driving the two support shafts 16 to rotate, thereby driving the first bevel gears 11 on both sides to rotate. Combining with the meshing effect of the first bevel gears 11 and the second bevel gears 12, the two lead screws 7 are driven to rotate synchronously. Under the threaded fit between the lifting plates 8 and the lead screws 7, the lifting plates 8 on both sides are driven to move upward synchronously. Under the action of the connecting blocks 9, the connecting rods 10 are driven to move upward synchronously. Combining the hinged connection between the U-shaped frame 5 and the fixed plate 4, the sliding fit between the sliders and the chutes, and the hinged connection between the connecting rods 10 and the sliders, as the connecting rods 10 move upward, the movable ends of the U-shaped frame 5 are pushed upward, causing the U-shaped frame 5 to flip in the direction close to the fixed plate 4, thereby driving the corresponding pressing rollers 6 to move synchronously within the gaps between adjacent two conveying rollers 2. As the multiple pressing rollers 6 on the front and rear sides approach each other, the parts during the conveying process are pushed towards the center, thereby achieving the purpose of centering.

[0045] A fixing rod 14 is fixed between the top of the mounting frame 13 and the bottom of the fixed plate 4. Two guide rods 17 are arranged oppositely on both sides of the lead screw 7. The guide rods 17 penetrate through the lifting plates 8, and the lifting plates 8 are slidably matched with the guide rods 17. The upper ends of the guide rods 17 are fixedly connected to the machine frame 1, and discs are fixed at the lower ends of the guide rods 17. Through the sliding fit between the lifting plates 8 and the guide rods 17, the lifting plates 8 are effectively limited and guided, ensuring the stability of the lifting plates 8 during the up and down movement. The discs effectively prevent the lifting plates 8 from falling off the guide rods 17.

[0046] The positioning assembly further includes a servo motor 30, T-shaped grooves 31, T-shaped blocks 32, and limiting rods 33. The servo motor 30 is installed at the bottom of the support plate 18, and the output end of the servo motor 30 is connected to the lower end of the rotating rod 19. Several support legs are fixed at the bottom of the support plate 18.

[0047] Two T-shaped grooves 31 are oppositely opened at the top of the support plate 18. The T-shaped blocks 32 are slidably arranged in the T-shaped grooves 31, and the upper ends of the two T-shaped blocks 32 are respectively fixedly connected to the racks 27 on both sides. Through the movable fit between the T-shaped blocks 32 and the T-shaped grooves 31, the racks 27 are effectively limited and guided, ensuring the stability of the racks 27 during the movement.

[0048] Two limiting rods 33 are arranged oppositely on the front and rear sides of the first gear 26. The lower ends of the limiting rods 33 are fixedly connected to the support plate 18. The limiting rods 33 penetrate through the movable plate 21, and the movable plate 21 is slidably matched with the limiting rods 33. Limiting plates are fixed at the upper ends of the limiting rods 33. Through the limiting rods 33, the movable plate 21 is effectively limited and guided, ensuring the stability of the movable plate 21 during the up and down movement. The limiting plates effectively limit the upward movement height of the movable plate 21, preventing the movable plate 21 from falling off the screw rod 20.

[0049] On one side of the top of the frame 1, a fixing frame 34 is provided. On the top inside the fixing frame 34, a processing component is provided. An infrared sensor 35 is inclinedly installed on the inner wall of the fixing frame 34, and a controller 36 is installed at the front end of the fixing frame 34.

[0050] Embodiment:

[0051] During the use process, first start the motor at the rear side of the frame 1. With the transmission connection between several conveying rollers 2, the conveying rollers 2 are driven to rotate to convey the parts to be processed.

[0052] When the parts are conveyed between the extrusion rollers 6 on the front and rear sides, start the double-shaft motor 15. Drive two support shafts 16 to rotate through the double-shaft motor 15, and then drive the first bevel gears 11 on both sides to rotate. With the meshing effect of the first bevel gears 11 and the second bevel gears 12, drive the two lead screws 7 to rotate synchronously. Under the thread fit between the lifting plate 8 and the lead screws 7, and the sliding fit between the lifting plate 8 and the guide rods 17, drive the lifting plates 8 on both sides to move upward synchronously.

[0053] Under the action of the connecting block 9, drive the connecting rod 10 to move upward synchronously. With the hinge connection between the U-shaped frame 5 and the fixing plate 4, the sliding fit between the slider and the chute, and the hinge connection between the connecting rod 10 and the slider, as the connecting rod 10 moves upward, the movable end of the U-shaped frame 5 is pushed upward, causing the U-shaped frame 5 to flip towards the direction close to the fixing plate 4, and then drive the corresponding extrusion rollers 6 to move synchronously within the gaps between adjacent two conveying rollers 2. As the multiple extrusion rollers 6 on the front and rear sides approach each other, the purpose of pushing the parts during the conveying process towards the center is achieved, and then the purpose of centering is achieved, solving the drawback that in the existing conveying mechanism with a centering function, most use air cylinders to perform centering processing on the parts to be processed, which easily causes the clamping forces on both sides of the parts to be too large, affecting the forward conveying of the workpieces and resulting in poor use effects.

[0054] After the parts are centered, continue to convey them to the right along the central position in the conveying direction. Drive the double-shaft motor 15 to rotate in the reverse direction to drive the extrusion rollers 6 to return to the initial position. Among them, under the action of the infrared sensor 35, after detecting that the parts have moved in place, transmit the signal to the controller 36. Close the motor at the rear side of the frame 1 through the controller 36 and start the servo motor 30. Drive the rotating rod 19 to rotate through the servo motor 30. The rotating rod 19 drives the screw rod 20 to rotate. Under the thread fit between the movable plate 21 and the screw rod 20, and the sliding fit between the movable plate 21 and the limiting rod 33, drive the movable plate 21 to move upward stably. Combine with the support rod 22 to drive the strip-shaped plate 23 to move upward. Cooperate with the ejector rod 24 to drive the top plate 25 to move upward through the gap between adjacent two conveying rollers 2, lift the parts upward, and support the bottom of the parts through the top plate 25.

[0055] Meanwhile, during the rotation of the rotating rod 19, the first gear 26 is driven to rotate. Considering the meshing effect between the first gear 26 and the rack 27, as well as the sliding fit between the T-shaped block 32 and the T-shaped groove 31, the two side racks 27 are driven to move synchronously. In combination with the support rod 28, the two clamping plates 29 are driven to approach each other, clamping both sides of the part lifted by the top plate 25 to ensure the stability of the part, so that the part is stably positioned directly below the processing assembly, avoiding the phenomenon of part deviation during the processing of the part. This solves the problem that in the existing conveying mechanism with centering function during use, it only has the function of centering the part to be processed, making the workpiece move closer to the center, lacking a corresponding positioning structure. When the workpiece is transported in place and processed such as drilled or cut, due to the too fast conveying speed or the vibration during the operation of the equipment, the part will deviate from its position and cannot be directly opposite to the processing station, affecting the processing quality of the part.

[0056] It should be further noted that the installation structure, connection method or setting method of each component in the present invention are all common mechanical methods, and any implementation that can achieve its beneficial effects is acceptable. At the same time, the dual-axis motor 15, servo motor 30, infrared sensor 35 and controller 36 in the present invention are all purchased on the market, and those skilled in the art can install and use them according to the requirements.

[0057] In the description of this specification, the description with reference to terms such as "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in a suitable manner in any one or more embodiments or examples.

[0058] The preferred embodiments of the present invention disclosed above are only used to help explain the present invention. The preferred embodiments do not describe all the details in detail, nor do they limit the invention to the specific embodiments described. Obviously, many modifications and variations can be made according to the content of this specification. These embodiments are selected and specifically described in this specification to better explain the principles and practical applications of the present invention, so that those skilled in the art can understand and utilize the present invention well. The present invention is only limited by the claims and their full scope and equivalents.

Claims

1. A centering platform conveying mechanism with a positioning structure, comprising a frame (1), a plurality of conveying rollers (2) are installed inside the frame (1), the plurality of conveying rollers (2) are transmission-connected to each other, a motor for driving the conveying rollers (2) to rotate is arranged at the rear side of the frame (1), and the characteristics are as follows: A centering component is arranged at the lower side of the frame (1), and the centering component cooperates with the gap between two adjacent conveying rollers (2). A positioning component is arranged at one side of the centering component, and the positioning component comprises: A support plate (18), wherein the support plate (18) is arranged at the lower side of the frame (1), a rotating rod (19) is rotatably arranged on the support plate (18), a screw rod (20) is connected to the upper end of the rotating rod (19), a movable plate (21) is threadedly arranged on the outer side of the screw rod (20), a strip plate (23) is movably arranged on the upper side of the screw rod (20), support rods (22) are fixed between the top of the movable plate (21) and the front and rear sides of the strip plate (23), a plurality of push rods (24) are fixed on the top of the strip plate (23), a push plate (25) is fixed between the upper ends of the plurality of push rods (24), and the push plate (25) cooperates with the gap between two adjacent conveying rollers (2); A first gear (26), wherein the first gear (26) is arranged on the rotating rod (19), and racks (27) are meshed on both the left and right sides of the first gear (26), a support rod (28) is fixed on the top of the rack (27), and a clamping plate (29) is fixed on the upper end of the support rod (28).

2. The centering platform conveying mechanism with a positioning structure according to claim 1 is characterized in that: The centering component comprises a base (3), the base (3) being arranged on the lower side of the frame (1), a fixing plate (4) being arranged on the upper side of the base (3), the fixing plate (4) being arranged on the lower side of the conveying roller (2), a plurality of U-shaped frames (5) being hingedly connected on both the front and rear sides of the fixing plate (4), a squeezing roller (6) being rotatably arranged inside the U-shaped frame (5), and the U-shaped frame (5) and the gap between two adjacent conveying rollers (2) being matched with each other.

3. The centering platform conveying mechanism with a positioning structure according to claim 2 is characterized in that: Two screw rods (7) are rotatably arranged between the top of the base (3) and the frame (1), and a lifting plate (8) is threadedly arranged on the screw rod (7). A connecting block (9) is fixed to one end of the two lifting plates (8) close to each other, and a plurality of connecting rods (10) are fixed to the top of the connecting block (9). The connecting rods (10) correspond to the U-shaped frame (5) one by one. A T-shaped sliding groove is provided on the side of the U-shaped frame (5) away from the squeezing roller (6), and a T-shaped sliding block is slidably arranged in the sliding groove. The upper end of the connecting rod (10) is hingedly connected to the sliding block.

4. The centering platform conveying mechanism with a positioning structure according to claim 3 is characterized in that: A mounting frame (13) is fixed on the top of the base (3), a double-axis motor (15) is installed inside the mounting frame (13), an output end of the double-axis motor (15) is connected to a support shaft (16), the support shaft (16) and the mounting frame (13) are rotatably matched, one end of the support shaft (16) away from the mounting frame (13) is connected to a first bevel gear (11), a second bevel gear (12) is arranged on the lower side of the outer wall of the screw rod (7), and the first bevel gear (11) is meshed with the second bevel gear (12).

5. The centering platform conveying mechanism with a positioning structure according to claim 4 is characterized in that: A fixing rod (14) is fixed between the top of the mounting frame (13) and the bottom of the fixing plate (4), and two guide rods (17) are arranged opposite to each other on both sides of the screw rod (7). The guide rod (17) passes through the lifting plate (8), and the lifting plate (8) and the guide rod (17) are slidably matched, and the upper end of the guide rod (17) is fixedly connected to the frame (1), and a disc is fixed to the lower end of the guide rod (17).

6. The centering platform conveying mechanism with a positioning structure according to claim 5, characterized in that: The positioning assembly further comprises a servo motor (30), a T-shaped slot (31), a T-shaped block (32) and a limiting rod (33); the servo motor (30) is mounted at the bottom of the support plate (18), and the output end of the servo motor (30) is connected to the lower end of the rotating rod (19); and a plurality of supporting legs are fixed to the bottom of the support plate (18).

7. The centering platform conveying mechanism with a positioning structure according to claim 6 is characterized in that: The two T-shaped slots (31) are oppositely arranged on the top of the support plate (18), the T-shaped blocks (32) are slidably arranged in the T-shaped slots (31), and the upper ends of the two T-shaped blocks (32) are respectively fixedly connected to the racks (27) on both sides.

8. The centering platform conveying mechanism with a positioning structure according to claim 7 is characterized in that: The two limiting rods (33) are arranged oppositely on the front and rear sides of the first gear (26); the lower ends of the limiting rods (33) are fixedly connected to the support plate (18); the limiting rods (33) penetrate the movable plate (21); the movable plate (21) and the limiting rods (33) are slidably matched; the upper ends of the limiting rods (33) are fixed to the limiting plate.

9. The centering platform conveying mechanism with a positioning structure according to claim 8, characterized in that: A fixing frame (34) is arranged on one side of the top of the frame (1), a processing assembly is arranged on the inner top of the fixing frame (34), an infrared sensor (35) is obliquely installed on the inner wall of the fixing frame (34), and a controller (36) is installed at the front end of the fixing frame (34).

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