Feeding cylinder rotating mechanism

Abstract

The utility model provides a feeding cylinder rotating mechanism which comprises a lifting assembly, a rotating assembly, a clamping assembly and n clamping jaws, the rotating assembly is connected to a movable part of the lifting assembly, and the clamping assembly is connected to a movable part of the rotating assembly; the n clamping jaws are connected to a movable part of the clamping assembly in the circumferential direction, and the clamping assembly is configured to drive the n clamping jaws to move towards the center of a to-be-rotated feeding cylinder until all the clamping jaws extend to the position below a flange plate at the top end of the feeding cylinder, or is configured to drive the n clamping jaws to move away from the center of the to-be-rotated feeding cylinder; the lifting assembly is configured to drive the clamping jaws to lift the feeding cylinder upwards to a preset distance after the clamping jaws extend to the position below the flange plate. The rotating assembly is configured to drive the clamping jaws to rotate the feeding cylinder lifted to the preset distance. N is an integer greater than or equal to 2. According to the feeding cylinder rotating mechanism, automatic rotation of the feeding cylinder is achieved, so that the rotating efficiency is improved, and the production cost is reduced.

Description

Technical Field

[0001] The present application relates to the field of single crystal pulling, and in particular to a feeding barrel rotating mechanism. Background Art

[0002] During the single crystal pulling process, a feeding cylinder is required to refill silicon material into the crucible of the single crystal furnace. After the feeding cylinder has finished refilling silicon material into the crucible, the feeding cylinder needs to be taken out and fixed vertically on a trolley to facilitate the transportation of the feeding cylinder and the replenishment of silicon material to the emptied feeding cylinder.

[0003] like Figure 1 to Figure 2 As shown, a flange 101 is provided on the top of the feeding barrel 100, and the bottom of the feeding barrel 100 is blocked by a bottom cone 102. A frame consisting of a crossbeam 103 and a column 104 is installed on the upper end surface of the flange 101, and a center rod 105 is provided inside the feeding barrel 100, the upper end of the center rod 105 is rotatably connected to the crossbeam 103, and the lower end of the center rod 105 is fixed to the bottom cone 102.

[0004] When feeding the feeding barrel 100, the crossbeam 103 may block between the top feeding port of the feeding barrel 100 and the feeding port of the feeding device, thereby interfering with the feeding. Therefore, before feeding, the feeding barrel 100 needs to be rotated to adjust the direction of the feeding barrel 100 to eliminate the interference of the crossbeam 103 on the feeding.

[0005] At present, the manual rotation of the feeding barrel is generally implemented manually. Due to the high height and heavy weight of the feeding barrel, the manual rotation method is time-consuming and labor-intensive. Utility Model Content

[0006] In order to solve the above technical problems, the present application provides a feeding barrel rotating mechanism, which adopts the following technical solutions:

[0007] A feeding barrel rotating mechanism comprises a lifting assembly, a rotating assembly, a clamping assembly and n claws, wherein:

[0008] The rotating assembly is connected to the movable part of the lifting assembly, and the clamping assembly is connected to the movable part of the rotating assembly;

[0009] n claws are connected to the movable part of the clamping assembly along the circumferential direction, and the clamping assembly is configured to drive the n claws to move toward the center of the feeding barrel to be rotated until each claw extends below the flange at the top of the feeding barrel, or is configured to drive the n claws to move away from the center of the feeding barrel to be rotated;

[0010] The lifting assembly is configured to drive each claw to lift the feeding barrel upward to a predetermined distance after each claw extends to the bottom of the flange;

[0011] The rotating assembly is configured to drive each jaw to rotate the feeding cylinder which is lifted to a predetermined distance;

[0012] n is an integer ≥2.

[0013] The feeding barrel rotating mechanism provided in the present application realizes the automatic rotation of the feeding barrel, thereby improving the rotation efficiency and reducing the production cost. In particular, before the feeding barrel is rotated, the n claws, driven by the lifting assembly, support the flange at the top of the feeding barrel from below and lift the feeding barrel upward, so that a gap is generated between the feeding barrel and the bottom cone. This gap eliminates friction between the feeding barrel and the bottom cone, which can avoid slipping between the claws and the feeding barrel during rotation, and at the same time avoid wear on the barrel and the bottom cone caused by multiple rotations of the feeding barrel.

[0014] In some embodiments, the rotating assembly includes a first rotating motor and a turntable, the first rotating motor is fixedly mounted on the movable part of the lifting assembly, and the driving end of the first rotating motor is connected to the turntable; the fixed part of the clamping assembly is connected to the turntable.

[0015] A rotating assembly with a simple structure is provided, which realizes the rotation drive of the clamping assembly and provides sufficient installation space for the clamping assembly.

[0016] In some embodiments, the rotating assembly includes a first fixed disk, a first toothed disk, a second rotating motor and a first gear, wherein: the first fixed disk is fixedly connected to the movable part of the lifting assembly; the first toothed disk is rotatably mounted on the outer periphery of the first fixed disk; the second rotating motor is fixedly installed on the movable part of the lifting assembly, the first gear is connected to the driving end of the second rotating motor, and the first gear is meshed with the first toothed disk; the fixed part of the clamping assembly is connected to the first toothed disk.

[0017] Another rotating assembly with a simple structure is provided, which realizes the rotation drive of the clamping assembly and provides sufficient installation space for the clamping assembly.

[0018] In some embodiments, the clamping assembly includes n translational driving members corresponding one to one with the claws, each claw is connected to the driving end of the corresponding translational driving member, and each translational driving member is configured to drive the corresponding claw to move toward or away from the center of the feeding barrel to be rotated.

[0019] A clamping assembly with a simple structure is provided, which drives n claws to move through n translation driving members corresponding to the claws one by one, so that the n claws extend to the bottom of the flange or withdraw from the bottom of the flange. Since each claw is driven by an independent translation driving member, the movement stroke of each claw can be independently controlled, thereby ensuring that the n claws can effectively lift the flange.

[0020] In some embodiments, the clamping assembly includes a first connecting plate, a second fixed plate, a second toothed plate, a rotational driving unit, n third gears respectively meshed with the second toothed plates, n fourth gears, n racks respectively meshed with each fourth gear, and n slide rails, wherein: the first connecting plate is fixedly connected to the movable part of the rotating assembly, the second fixed plate is fixedly arranged on the first connecting plate, and the second toothed plate is rotatably mounted on the outer periphery of the second fixed plate; the n third gears are installed above the first connecting plate and circumferentially arranged around the circumference of the second toothed plate; the n fourth gears are installed below the first connecting plate and are respectively fixedly connected to the mounting shafts of the third gears; the n slide rails are all fixedly installed on the lower surface of the first connecting plate, the n racks are slidably arranged on each slide rail, and the n claws are respectively fixedly arranged on each rack; the rotational driving unit is arranged on the first connecting plate or the movable part of the rotating assembly, and is drivingly connected to the second toothed plate.

[0021] Another clamping assembly with a simple structure is provided. The rotation driving part drives the second toothed disc to rotate. When the second toothed disc rotates, the fourth gear drives n racks to move closer to the middle or separate to the periphery, so that the n claws extend to the bottom of the flange or withdraw from the bottom of the flange. The transmission mechanism composed of the toothed disc, gear and rack is more stable and not easy to slip, thereby improving the lifting stability of the flange.

[0022] In some embodiments, the rotary drive unit includes a third rotary motor and a second gear, the third rotary motor is arranged on the first connecting plate or the movable part of the rotating assembly, and the second gear is meshed with the second gear plate and connected to the driving end of the third rotary motor.

[0023] A rotation driving unit with stable driving and low slipping performance is provided, which drives a second gear meshing with a second gear plate to rotate through a third rotating motor, thereby implementing rotation driving of the second gear plate.

[0024] In some embodiments, the claw is an L-shaped structure, which includes a connecting section arranged in the vertical direction and a supporting section extending in the horizontal direction. The upper end of the connecting section is fixedly connected to the movable part of the clamping assembly, and the supporting section is connected to the lower end of the connecting section. The supporting section is used to support and lift the flange.

[0025] The clamping claw is designed into an L-shaped structure so that the clamping claw can hook the flange on the top of the feeding barrel from below, which can ensure the lifting force of the feeding barrel on the one hand and prevent the clamping claw from slipping on the other hand.

[0026] In some embodiments, the feeding barrel rotating mechanism further includes a visual component, which is disposed on a movable component of the lifting component, and is used to obtain position information of the feeding barrel to be rotated.

[0027] By setting up the visual component, the position information of the feeding barrel is automatically acquired, so that the lifting component and the rotating component can drive n claws to accurately lift the feeding barrel and complete the rotation of the feeding barrel according to the position information of the feeding barrel.

[0028] In some embodiments, both the rotating assembly and the clamping assembly have shooting channels, and the visual assembly is located directly above the shooting channels.

[0029] By arranging shooting channels on the rotating component and the clamping component, the rotating component and the clamping component are prevented from blocking the visual component.

[0030] In some embodiments, n is set to 3, and the three claws are evenly connected to the movable part of the clamping assembly along the circumferential direction.

[0031] The three claws can ensure the stable lifting of the flange at the top of the charging barrel on the one hand, and reduce the equipment cost on the other hand. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Figure 1 It is a schematic diagram of the structure of the feeding cylinder;

[0033] Figure 2 for Figure 1 AA section view;

[0034] Figure 3 This is a schematic diagram of the disassembled structure of the feeding barrel rotating mechanism in one embodiment of the present application;

[0035] Figure 4 This is a schematic structural diagram of a feeding barrel rotating mechanism in another embodiment of the present application;

[0036] Figure 5 This is a schematic diagram of the disassembled structure of the feeding barrel rotating mechanism in another embodiment of the present application.

[0037] Figures 1 to 5 Included:

[0038] Rotating component 1:

[0039] A first rotating motor 11 and a rotating disk 12;

[0040] A first fixed plate 13, a first toothed plate 14, a second rotating motor 15, a first gear 16, and a second connecting plate 17;

[0041] Clamping assembly 2:

[0042] Translation drive member 21;

[0043] A first connecting plate 22, a second fixing plate 23, a second toothed plate 24, a rotation driving unit 25, a third gear 26, a fourth gear 27, a rack 28, a slide rail 29, and a connecting block 220;

[0044] A third rotating motor 251 and a second gear 252;

[0045] Jaw 3:

[0046] Connecting section 31, supporting section 32;

[0047] Visual component 4;

[0048] Shooting channel 5;

[0049] Lifting assembly 6. DETAILED DESCRIPTION

[0050] In order to make the above-mentioned objects, features and advantages of the present application more obvious and easy to understand, the present application is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0051] Figure 3 The structure of the feeding barrel rotating mechanism in one embodiment of the present application is shown. Figures 4 to 5 The structure of the feeding barrel rotating mechanism in another embodiment of the present application is shown in FIG.

[0052] like Figures 3 to 5 As shown, the feeding barrel rotating mechanism in the embodiment of the present application includes a lifting assembly 6, a rotating assembly 1, a clamping assembly 2 and n claws 3, wherein:

[0053] The rotating assembly 1 is connected to the movable part of the lifting assembly 6 , and the clamping assembly 2 is connected to the movable part of the rotating assembly 1 .

[0054] The n claws 3 are circumferentially connected to the movable part of the clamping assembly 2, and the clamping assembly 2 is configured to drive the n claws 3 to move toward the center of the feeding barrel 100 to be rotated until each claw 3 extends to the bottom of the flange 101 at the top of the feeding barrel 100, or is configured to drive the n claws 3 to move away from the center of the feeding barrel 100 to be rotated.

[0055] The lifting assembly 6 is configured to drive each claw 3 to lift the feeding barrel 100 upward to a predetermined distance after each claw 3 extends to the bottom of the flange 101 .

[0056] The rotating assembly 1 is configured to drive each jaw 3 to rotate the charging cylinder 100 which is lifted to a predetermined distance.

[0057] Here, n is an integer ≥2.

[0058] The optional working process of the feeding barrel rotating mechanism in the embodiment of the present application is as follows:

[0059] When it is necessary to rotate the feeding barrel 100 , firstly, the top end of the feeding barrel 100 is aligned with the n claws 3 by controlling the movement of the trolley carrying the feeding barrel 100 or the movement of the feeding barrel rotating mechanism.

[0060] Subsequently, the lifting assembly 6 drives the n claws 3 to descend until the flange 101 at the top of the barrel 100 penetrates upward between the n claws 3 .

[0061] Next, the clamping assembly 2 drives the n claws 3 to move toward the center of the feeding barrel 100 until each claw 3 extends to the bottom of the flange 101 at the top of the feeding barrel 100 .

[0062] Then, the lifting assembly drives the n claws 3 to lift the feeding barrel 100 upward to a predetermined distance, so that the feeding barrel 100 is offset from the bottom cone 102 .

[0063] Next, the rotating assembly 1 drives each claw 3 to rotate the lifted charging cylinder 100 .

[0064] After completing the rotation of the feeding barrel 100 , the lifting assembly drives the n claws 3 to descend, so that the feeding barrel 100 falls and docks with the bottom cone 102 again.

[0065] Finally, the clamping assembly 2 drives the n claws 3 to move away from the center of the feeding barrel 100, and the lifting assembly drives the n claws 3 to rise and reset.

[0066] The feeding barrel rotating mechanism in the embodiment of the present application realizes the automatic rotation of the feeding barrel 100, thereby improving the rotation efficiency and reducing the production cost. In particular, before the feeding barrel 100 is rotated, the n claws 3, driven by the lifting assembly 6, support the flange 101 at the top of the feeding barrel 100 from below, and lift the feeding barrel 100 upward, so that the feeding barrel 100 and the bottom cone are misaligned, and a gap is generated between the two. This gap makes it possible for there to be no friction between the feeding barrel 100 and the bottom cone, which can avoid slipping between the claws 3 and the feeding barrel 100 during rotation, and at the same time, it can avoid multiple rotations of the feeding barrel 100 causing wear on the feeding barrel 100 and the bottom cone.

[0067] Optionally, the feeding barrel rotating mechanism in the embodiment of the present application includes three claws 3, that is, n is 3. The three claws 3 can ensure the stable lifting of the flange 101 at the top of the feeding barrel 100 on the one hand, and can reduce the equipment cost on the other hand. Further, the three claws 3 are arranged in an equilateral triangle, that is, the lines connecting the adjacent claws in sequence form an equilateral triangle.

[0068] like Figure 3As shown, in an optional embodiment, the rotating assembly 1 includes a first rotating motor 11 and a turntable 12, the first rotating motor 11 is fixedly mounted on the movable part of the lifting assembly, and the driving end of the first rotating motor 11 is connected to the turntable 12, and the fixed part of the clamping assembly 2 is connected to the turntable 12.

[0069] When the first rotary motor 11 drives the turntable 12 to rotate, the clamping assembly 2 can be driven to rotate, and finally the feeding barrel 100 lifted by the n claws 3 can be driven to rotate.

[0070] like Figure 4 and Figure 5 As shown, in another optional embodiment, the rotating assembly 1 includes a first fixed disk 13, a first toothed disk 14, a second rotating motor 15 and a first gear 16, wherein: the first fixed disk 13 is fixedly connected to the movable part of the lifting assembly 6. The first toothed disk 14 is rotatably sleeved on the outer periphery of the first fixed disk 13. The second rotating motor 15 is fixedly mounted on the movable part of the lifting assembly 6, the first gear 16 is connected to the driving end of the second rotating motor 15, and the first gear 16 is meshed with the first toothed disk 14. The fixed part of the clamping assembly 2 is connected to the first toothed disk 14.

[0071] When the second rotary motor 15 drives the first toothed disc 14 to rotate via the first gear 16 , the clamping assembly 2 rotates synchronously with the first toothed disc 14 , thereby driving the feeding barrel 100 lifted by the n claws 3 to rotate.

[0072] Continue to refer Figure 3 As shown, optionally, the clamping assembly 2 includes n translational drive members 21 corresponding one to one with the claws 3, each claw 3 is connected to the driving end of the corresponding translational drive member 21, and each translational drive member 21 is configured to drive the corresponding claw 3 to move toward or away from the center of the feeding barrel 100 to be rotated.

[0073] Since each claw 3 is driven by an independent translation drive member 21, the movement stroke of each claw 3 can be independently controlled, thereby ensuring that n claws 3 can all extend to the bottom of the flange 101 at the top of the feeding barrel 100 to ensure stable lifting of the flange 101.

[0074] It should be noted that Figure 3 The clamping assembly 2 in the illustrated embodiment can be used with Figure 3 In addition to the use of the rotating assembly 1 in the embodiment shown, it can also be used with Figure 4 and Figure 5 The rotating assembly 1 in the embodiment is used in conjunction with Figure 3 When the rotating assembly 1 in the embodiment shown is used in conjunction, n translational driving members 21 are connected to the rotating disk 12 along the circumferential direction, and the rotating disk 12 drives the n translational driving members 21 and the n claws 3 to rotate. Figure 4 and Figure 5 When the rotating assembly 1 in the illustrated embodiment is used in conjunction with each other, the n translational driving members 21 are connected to the first toothed disc 14 along the circumferential direction, and the first toothed disc 14 drives the n translational driving members 21 and the n claws 3 to rotate.

[0075] The translation driving member 21 can adopt various existing linear driving modules such as cylinders that can drive the corresponding claws 3 to translate.

[0076] like Figure 4 and Figure 5 As shown, optionally, the clamping assembly 2 includes a first connecting plate 22, a second fixed plate 23, a second toothed plate 24, a rotating driving part 25, n third gears 26 respectively meshed with the second toothed plates 24, n fourth gears 27, n racks 28 respectively meshed with each fourth gear 27, and n slide rails 29, wherein: the first connecting plate 22 is fixedly connected to the movable part of the rotating assembly 1, the second fixed plate 23 is fixedly arranged on the first connecting plate 22, and the second toothed plate 24 is rotatably sleeved on the outer periphery of the second fixed plate 23. The n third gears 26 are installed above the first connecting plate 22 and are circumferentially arranged around the circumference of the second toothed plate 24. The n fourth gears 27 are installed below the first connecting plate 22 and are respectively fixedly connected to the mounting shafts of the third gears 26. The n slide rails 29 are all fixedly installed on the lower surface of the first connecting plate 22, the n racks 28 are slidably arranged on each slide rail 29, and the n claws 3 are respectively fixedly arranged on each rack 28. The rotation driving part 25 is disposed on the first connecting plate 22 or a movable part of the rotating assembly 1 and is drivingly connected to the second gear disc 24 .

[0077] When the rotation driving part 25 drives the second toothed disc 24 to rotate, the second toothed disc 24 drives the n fourth gears 27 to rotate synchronously through the n third gears 26. When the n fourth gears 27 rotate synchronously, they drive the n racks 28 to slide together toward the middle or slide apart toward the periphery, so that the n claws 3 move synchronously toward or away from the center of the feeding barrel 100 to be rotated.

[0078] It can be seen that by setting the clamping assembly 2, the rotation drive unit 25 realizes the synchronous driving of the n claws 3, reducing the driving cost. In addition, the structure of the transmission mechanism composed of the toothed disc, the gear and the rack is more stable and not easy to slip, thereby improving the lifting stability of the flange.

[0079] It should be noted that Figure 4 and Figure 5 The clamping assembly 2 in the illustrated embodiment can be used with Figure 4 and Figure 5 In addition to the use of the rotating assembly 1 in the embodiment shown, it can also be used with Figure 3 The rotating assembly 1 in the embodiment shown is used in conjunction with Figure 3 When the rotating assembly 1 in the embodiment shown is used in conjunction with the first connecting plate 22, the first connecting plate 22 is connected to the rotating disk 12; Figure 4 and Figure 5 When the rotating assembly 1 in the illustrated embodiment is used in conjunction with each other, the first connecting plate 22 is connected to the first toothed disc 14 .

[0080] In order to realize the connection between the first connecting plate 22 and the first toothed disc 14, as shown in FIG. Figure 5 As shown, optionally, the first toothed disc 14 is fixedly connected with a second connecting plate 17, that is, the second connecting plate 17 constitutes a movable part of the rotating assembly 1. The first connecting plate 22 is connected to the second connecting plate 17 via a plurality of connecting blocks 220, and an installation space for accommodating components such as the second fixed disc 23, the second toothed disc 24 and the third gear 26 is formed between the first connecting plate 22 and the second connecting plate 17. Of course, the second connecting plate 17 may not be provided, and the first connecting plate 22 may be directly fixedly connected to the first toothed disc 14, and the rotating driving part 25 may be provided on the first connecting plate 22.

[0081] Optionally, the rotary drive unit 25 includes a third rotary motor 251 and a second gear 252. Figure 5 As shown, in the case where the second connecting plate 17 is fixedly connected to the first toothed disc 14, the third rotating motor 251 can be disposed on the second connecting plate 17, and the second gear 252 is meshed with the second toothed disc 24 and connected to the driving end of the third rotating motor 251. When the third rotating motor 251 drives the second gear 252 to rotate, the second gear 252 drives the second toothed disc 24 to rotate, and the second toothed disc 24 further drives the n third gears 26 to rotate synchronously.

[0082] In the case where the first connecting plate 22 is directly fixedly connected to the first toothed disc 14, the third rotating motor 251 can be disposed on the first connecting plate 22. Similarly, the second gear 252 is meshed with the second toothed disc 24 and connected to the driving end of the third rotating motor 251. When the third rotating motor 251 drives the second gear 252 to rotate, the second gear 252 drives the second toothed disc 24 to rotate, and the second toothed disc 24 further drives the n third gears 26 to rotate synchronously.

[0083] In another optional embodiment, the second gear 252 may not be provided, and the rotation driving unit 25 only includes the third rotation motor 251. The driving end of the third rotation motor 251 is fixedly connected to the mounting shaft of one of the third gears 26. When the third rotation motor 251 drives the third gear 26 connected thereto to rotate, the second gear plate 24 is driven to rotate, and then the other third gears 26 are driven to rotate synchronously through the second gear plate 24.

[0084] like Figure 4 and Figure 5As shown, optionally, the claw 3 is an L-shaped structure, and the claw 3 includes a connecting section 31 arranged in the vertical direction and a supporting section 32 extending in the horizontal direction, wherein the upper end of the connecting section 31 is fixedly connected to the movable part of the clamping assembly 2, for example, connected to the corresponding rack 28. The supporting section 32 is connected to the lower end of the connecting section 31, and the supporting section 32 is used to carry and lift the flange 101 at the top of the feeding barrel 100.

[0085] like Figure 3 , 5 As shown, optionally, the feeding barrel rotating mechanism in the embodiment of the present application further includes a visual component 4, which is disposed on a movable part of the lifting component, and is used to obtain position information of the feeding barrel 100 to be rotated.

[0086] By setting up the visual component, the position information of the feeding barrel 100 is automatically acquired, so that the lifting component and the rotating component can drive the n claws 3 to accurately lift the feeding barrel 100 and complete the rotation of the feeding barrel 100 according to the position information of the feeding barrel.

[0087] Optionally, both the rotating assembly 1 and the clamping assembly 2 are provided with a shooting channel 5, and the visual assembly 4 is located directly above the shooting channel 5. The visual assembly 4 performs visual positioning on the feeding barrel 100 via the shooting channel 5.

[0088] exist Figure 3 In the embodiment shown, the turntable 12 is designed as a hollow structure, and the hollow part is the shooting channel; Figure 4 , 5 In the illustrated embodiment, through holes are provided on the first fixed plate 13 , the second connecting plate 17 , the second fixed plate 24 and the first connecting plate 22 . The centers of the through holes are kept collinear in the vertical direction during assembly, and the through holes together constitute a shooting channel 5 .

[0089] The present application is described in sufficient detail above with certain particularity. It should be understood by those skilled in the art that the description in the embodiments is merely exemplary, and all changes made without departing from the true spirit and scope of the present application should fall within the scope of protection of the present application. The scope of protection claimed in the present application is defined by the claims, rather than by the above description in the embodiments.

Claims

1. A feeding barrel rotating mechanism, characterized in that: The feeding barrel rotating mechanism includes a lifting assembly, a rotating assembly, a clamping assembly and n claws, wherein: The rotating assembly is connected to the movable part of the lifting assembly, and the clamping assembly is connected to the movable part of the rotating assembly; The n clamping claws are connected to the movable part of the clamping assembly along the circumferential direction, and the clamping assembly is configured to drive the n clamping claws to move toward the center of the feeding barrel to be rotated until each clamping claw extends below the flange at the top of the feeding barrel, or is configured to drive the n clamping claws to move away from the center of the feeding barrel to be rotated; The lifting assembly is configured to drive each of the claws to lift the feeding barrel upward to a predetermined distance after each of the claws extends to the bottom of the flange; The rotating assembly is configured to drive each of the claws to rotate the feeding cylinder that is lifted to a predetermined distance; n is an integer ≥2.

2. The feeding barrel rotating mechanism according to claim 1, characterized in that: The rotating assembly includes a first rotating motor and a turntable, wherein the first rotating motor is fixedly mounted on a movable component of the lifting assembly, and a driving end of the first rotating motor is connected to the turntable; The fixing part of the clamping assembly is connected to the rotating disk.

3. The feeding barrel rotating mechanism according to claim 1, characterized in that: The rotating assembly includes a first fixed disk, a first gear disk, a second rotating motor and a first gear, wherein: The first fixed plate is fixedly connected to the movable component of the lifting assembly; The first toothed disc is rotatably sleeved on the outer circumference of the first fixed disc; The second rotary motor is fixedly mounted on the movable component of the lifting assembly, the first gear is connected to the driving end of the second rotary motor, and the first gear is meshed with the first gear disc; The fixing component of the clamping assembly is connected to the first toothed disc.

4. The feeding barrel rotating mechanism according to claim 1, characterized in that: The clamping assembly includes n translational driving members corresponding one to one with the claws, each of the claws is connected to the driving end of the corresponding translational driving member, and each of the translational driving members is configured to drive the corresponding claw to move toward or away from the center of the feeding barrel to be rotated.

5. The feeding barrel rotating mechanism according to claim 1, characterized in that: The clamping assembly includes a first connecting plate, a second fixed plate, a second toothed plate, a rotation driving unit, n third gears respectively meshed with the second toothed plates, n fourth gears, n racks respectively meshed with the fourth gears, and n slide rails, wherein: The first connecting plate is fixedly connected to the movable part of the rotating assembly, the second fixed disk is fixedly arranged on the first connecting plate, and the second gear disk is rotatably sleeved on the outer periphery of the second fixed disk; The n third gears are installed above the first connecting plate and are circumferentially arranged around the circumference of the second gear plate; the n fourth gears are installed below the first connecting plate and are respectively fixedly connected to the mounting shafts of the third gears; The n slide rails are all fixedly mounted on the lower surface of the first connecting plate, the n racks are slidably arranged on the slide rails, and the n claws are respectively fixedly arranged on the racks; The rotary drive unit is arranged on the first connecting plate or the movable part of the rotary assembly and is drivingly connected to the second gear disc.

6. The feeding barrel rotating mechanism according to claim 5, characterized in that: The rotary drive unit includes a third rotary motor and a second gear. The third rotary motor is arranged on the first connecting plate or the movable part of the rotary assembly. The second gear is meshed with the second gear plate and connected to the driving end of the third rotary motor.

7. The feeding cylinder rotating mechanism according to claim 1, characterized in that: The clamping claw is an L-shaped structure, and the clamping claw includes a connecting section arranged in the vertical direction and a supporting section extending in the horizontal direction. The upper end of the connecting section is fixedly connected to the movable part of the clamping assembly, and the supporting section is connected to the lower end of the connecting section. The supporting section is used to support and lift the flange.

8. The feeding barrel rotating mechanism according to claim 1, characterized in that: The feeding barrel rotating mechanism further comprises a visual component, which is arranged on a movable part of the lifting component and is used to obtain position information of the feeding barrel to be rotated.

9. The feeding cylinder rotating mechanism according to claim 8, characterized in that: The rotating component and the clamping component are both provided with shooting channels, and the visual component is located directly above the shooting channels.

10. The feeding barrel rotating mechanism according to any one of claims 1 to 9, characterized in that: The value of n is 3, and the three claws are evenly connected to the movable part of the clamping assembly along the circumferential direction.

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