Rotary table structure

Abstract

The utility model discloses a rotary table structure, which relates to the technical field of automobile engine manufacturing, and comprises a frame assembly, a roller way assembly and a rotating assembly, the rotating assembly is arranged on the frame assembly, and the roller way assembly is arranged on the rotating assembly; the frame assembly comprises a mounting bracket and a mounting plate, and the mounting plate is arranged at the top of the mounting bracket and fixedly connected with the mounting bracket; the rotating assembly comprises a connecting sleeve, a rotating shaft, a connecting rotating arm and a driving air cylinder, the connecting sleeve is fixedly arranged on the mounting plate, one end of the rotating shaft penetrates through the connecting sleeve and is rotationally connected with the connecting sleeve, the end, penetrating through the connecting sleeve, of the rotating shaft is fixedly connected with the roller way assembly, and the connecting rotating arm is fixedly arranged at the other end of the rotating shaft; the driving air cylinder is rotatably arranged at the bottom of the mounting plate and used for driving and connecting the rotating arm, and the problems that when an existing rotary table structure is used, the direction and posture of an engine cylinder on an assembly line are inconvenient to adjust, and the overturning efficiency is low are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile engine manufacturing, in particular to a rotary table structure. BACKGROUND

[0002] In the production process of the automobile engine cylinder body, the flow posture of the cylinder body will change when the product is produced on the assembly line, for example, the front end face of the cylinder body facing forward rotates in the flow process and faces other faces, which brings many difficulties to the subsequent operation and also reduces the operation efficiency on the assembly line.

[0003] At present, in order to solve this technical problem, a rotary table structure is generally needed. The current rotary table structure generally does not set a driving structure, and manual rotation is needed, compared with the traditional manual overturning, although the convenience and efficiency are improved, but manual rotation of the rotary table is still needed. Therefore, the current rotary table structure still has the problems of inconvenient adjustment of the orientation and posture of the engine cylinder body on the assembly line and low overturning efficiency when in use.

[0004] In the utility model with the application number of CN201810973702.6, a kind of engine cylinder body processing is disclosed, and the rotary table is including rotary table support, rotary table bottom plate, rotary table roller way and rotating shaft, rotary table bottom plate is installed at rotary table support top, rotary table roller way includes roller way beam at two sides and roller cylinder between roller way beam, roller way beam lower end is provided with roller way bottom plate, rotating shaft is set between roller way bottom plate and rotary table bottom plate, rotary table roller way can rotate as a whole around rotating shaft. When it is used, it still has the problems of inconvenient adjustment of the orientation and posture of the engine cylinder body on the assembly line and low overturning efficiency. UTILITY MODEL CONTENTS

[0005] Therefore, in view of the above problems, the utility model provides a kind of rotary table structure, solve the current rotary table structure when in use, inconvenient adjustment of the orientation and posture of the engine cylinder body on the assembly line and low overturning efficiency problem.

[0006] The technical scheme of the utility model is:

[0007] A kind of rotary table structure, including frame assembly, roller way assembly and rotating assembly, rotating assembly is set on frame assembly, roller way assembly is set on rotating assembly, and located above frame assembly;

[0008] Frame assembly includes mounting bracket and mounting plate, mounting plate is set on mounting bracket top, and is fixedly connected with mounting bracket;

[0009] The rotating assembly comprises a connecting sleeve, a rotating shaft, a connecting arm and a driving cylinder, the connecting sleeve is fixedly arranged on the mounting plate and penetrates the mounting plate at one end, the rotating shaft penetrates the connecting sleeve at one end and is rotationally connected with the connecting sleeve, the one end of the rotating shaft penetrating the connecting sleeve is fixedly connected with the roller assembly, the connecting arm is fixedly arranged at the other end of the rotating shaft, the driving cylinder is rotationally arranged at the bottom of the mounting plate and rotationally connected with one end of the connecting arm at one end, and is used for driving the connecting arm.

[0010] Preferably, one end of the output shaft of the driving cylinder is provided with a connecting shaft, the connecting arm is provided with a connecting groove, a connecting rod is arranged in the connecting groove, one end of the connecting shaft is fixedly connected with the output shaft of the driving cylinder, and the other end is rotationally connected with the connecting rod, and the connecting shaft is rotationally matched with the connecting groove.

[0011] Preferably, one side of the bottom of the mounting plate is provided with a mounting frame, the mounting frame is fixedly connected with the bottom of the mounting plate, the driving cylinder is mounted in the mounting frame and is rotationally connected with the mounting frame.

[0012] Preferably, the bottom of the mounting plate is provided with a pair of auxiliary cylinders, the output ends of the pair of auxiliary cylinders are respectively in contact with the connecting arm, and are used for limiting the initial position and the terminal position of the connecting arm during rotation, and simultaneously guiding the rotation direction of the connecting arm.

[0013] Preferably, the pair of auxiliary cylinders are each provided with an L-shaped fixing block, the auxiliary cylinders are fixedly arranged on the L-shaped fixing block, and the L-shaped fixing block is fixedly arranged on the bottom of the mounting plate.

[0014] Preferably, the roller assembly comprises a driving structure, a connecting bottom plate, a pair of mounting side plates and a plurality of rotating cylinders, the connecting bottom plate is arranged at the one end of the rotating shaft penetrating the connecting sleeve and is fixedly connected with the rotating shaft, the pair of mounting side plates are respectively arranged at the two sides of the top of the connecting bottom plate and are fixedly connected with the connecting bottom plate, the plurality of rotating cylinders are arranged between the pair of mounting side plates and are rotationally connected with the pair of mounting side plates at both ends, and the driving structure is arranged on the connecting bottom plate and is arranged in cooperation with the plurality of rotating cylinders and is used for driving the plurality of rotating cylinders.

[0015] Preferably, the driving structure comprises a driving motor, a driving wheel and a plurality of driven wheels, the driving motor is fixedly arranged at the bottom of the connecting bottom plate, the driving wheel is fixedly arranged on the output shaft of the driving motor, the plurality of driven wheels are respectively arranged on the plurality of rotating cylinders, the driving wheel and one of the driven wheels are connected and driven through a first transmission member, and the plurality of driven wheels are connected and driven through a second transmission member.

[0016] Preferably, the driving wheel and the driven wheel are both in gear structure, the driven wheel is provided with a plurality of main teeth and a plurality of secondary teeth, the first transmission member and the second transmission member are both chains, the driving wheel is connected and driven with the main teeth on one of the driven wheels through the first transmission member, and the secondary teeth on the plurality of driven wheels are connected and driven through the second transmission member.

[0017] Preferably, a protective shell is arranged on one of the mounting side plates, and the protective shell is arranged in cooperation with the plurality of driven wheels to protect the plurality of driven wheels, and the protective shell is fixedly connected to the mounting side plate.

[0018] Preferably, a stopper is arranged above the connecting bottom plate, one end of the stopper is fixedly connected to one end of one of the mounting side plates, and the other end of the stopper is fixedly connected to one end of the protective shell, a positioning assembly is arranged on the connecting bottom plate, the positioning assembly comprises a positioning cylinder, a positioning seat, a positioning rod and a positioning plate, the positioning cylinder is arranged at the bottom of the connecting bottom plate and is fixedly connected to the bottom of the connecting bottom plate, the positioning seat is arranged at the top of the connecting bottom plate and is located above the positioning cylinder, a sliding cavity is arranged in the positioning seat and penetrates through the positioning seat, one end of the positioning rod is arranged in the sliding cavity and is slidably connected to the sliding cavity, the positioning plate is fixedly arranged at the other end of the positioning rod and is arranged in cooperation with the stopper, an output shaft of the positioning cylinder penetrates through the connecting bottom plate and extends into the sliding cavity and is fixedly connected to the bottom of the positioning rod, and the output shaft of the positioning cylinder is slidably connected to the connecting bottom plate.

[0019] Compared with the prior art, the utility model has the advantages that:

[0020] The utility model discloses a rotating assembly is arranged, and the roller assembly is arranged on the rotating assembly, realizes the rotation of roller assembly. When using, drive the connecting arm through the drive cylinder, and then drive the rotation of rotating shaft, thereby realizing the rotation of roller assembly. This process provides power through the drive cylinder, compared with traditional manual driving, the utility model has the advantages of saving labor and high efficiency, and effectively solve the problem that the current rotary table structure is inconvenient to adjust the orientation and attitude of engine cylinder on the assembly line and the turning efficiency is not high when using. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is the structure schematic of a rotary table structure in the embodiment of the utility model Figure 1 ;

[0022] Figure 2 It is the structure schematic of a rotary table structure in the embodiment of the utility model Figure 2 ;

[0023] Figure 3 It is the partial structure schematic of a rotary table structure in the embodiment of the utility model Figure 1 ;

[0024] Figure 4 It is the partial structure schematic of a rotary table structure in the embodiment of the utility model Figure 2 ;

[0025] Figure 5 It is the partial structure schematic of a rotary table structure in the embodiment of the utility modelFigure 3 ;

[0026] Figure 6 It is the explosion structure schematic view of the positioning assembly in the embodiment of the utility model;

[0027] Mark explanation:

[0028] 10-frame assembly, 100-mounting support, 101-mounting plate, 102-mounting frame, 103-assistant cylinder, 104-L type fixing block, 20-roller assembly, 200-driving structure, 201-connecting bottom plate, 202-mounting side plate, 203-rotating cylinder, 204-driving motor, 205-driving wheel, 206-driven wheel, 207-first transmission part, 208-second transmission part, 209-protection shell, 210-stop block, 211-positioning assembly, 212-positioning cylinder, 213-positioning seat, 214-positioning rod, 215-positioning plate, 216-sliding cavity, 217-through slot, 30-rotating assembly, 300-connecting sleeve, 301-rotating shaft, 302-connecting arm, 303-driving cylinder, 304-connecting shaft, 305-connecting slot, 306-connecting rod. DETAILED DESCRIPTION

[0029] The embodiments of the utility model will be described in detail below with reference to the drawings.

[0030] Embodiment:

[0031] As Figures 1 to 4 shown, in order to solve the above problems, the embodiment discloses a rotary table structure, including frame assembly 10, roller assembly 20 and rotating assembly 30, rotating assembly 30 is arranged on frame assembly 10, and roller assembly 20 is arranged on rotating assembly 30 and is located above frame assembly 10;

[0032] Frame assembly 10 includes mounting support 100 and mounting plate 101, and mounting plate 101 is arranged on the top of mounting support 100 and is fixedly connected with mounting support 100.

[0033] Rotating assembly 30 includes connecting sleeve 300, rotating shaft 301, connecting arm 302 and driving cylinder 303, connecting sleeve 300 is fixedly arranged on mounting plate 101 and penetrates mounting plate 101 at one end, rotating shaft 301 penetrates connecting sleeve 300 at one end and is rotatably connected with connecting sleeve 300, one end of rotating shaft 301 penetrating connecting sleeve 300 is fixedly connected with roller assembly 20, connecting arm 302 is fixedly arranged on the other end of rotating shaft 301, and driving cylinder 303 is rotatably arranged on the bottom of mounting plate 101 and is rotatably connected with one end of connecting arm 302 for driving connecting arm 302.

[0034] The utility model discloses a rotatory component 30 is set up, and the roller way component 20 is set up on rotatory component 30, realized the rotation of roller way component 20, when using, drive cylinder 303 drive connection swing arm 302, and then drive rotatory axle 301 rotation, thereby realize the rotation of roller way component 20.

[0035] As Figure 3 The utility model discloses a rotatory component 30 is set up, and the roller way component 20 is set up on rotatory component 30, realized the rotation of roller way component 20, when using, drive cylinder 303 drive connection swing arm 302, and then drive rotatory axle 301 rotation, thereby realize the rotation of roller way component 20.

[0036] The utility model discloses a rotatory component 30 is set up, and the roller way component 20 is set up on rotatory component 30, realized the rotation of roller way component 20, when using, drive cylinder 303 drive connection swing arm 302, and then drive rotatory axle 301 rotation, thereby realize the rotation of roller way component 20.

[0037] The utility model discloses a rotatory component 30 is set up, and the roller way component 20 is set up on rotatory component 30, realized the rotation of roller way component 20, when using, drive cylinder 303 drive connection swing arm 302, and then drive rotatory axle 301 rotation, thereby realize the rotation of roller way component 20. Figure 3 The utility model discloses a rotatory component 30 is set up, and the roller way component 20 is set up on rotatory component 30, realized the rotation of roller way component 20, when using, drive cylinder 303 drive connection swing arm 302, and then drive rotatory axle 301 rotation, thereby realize the rotation of roller way component 20.

[0038] The utility model discloses a rotatory component 30 is set up, and the roller way component 20 is set up on rotatory component 30, realized the rotation of roller way component 20, when using, drive cylinder 303 drive connection swing arm 302, and then drive rotatory axle 301 rotation, thereby realize the rotation of roller way component 20.

[0039] The utility model discloses a rotatory component 30 is set up, and the roller way component 20 is set up on rotatory component 30, realized the rotation of roller way component 20, when using, drive cylinder 303 drive connection swing arm 302, and then drive rotatory axle 301 rotation, thereby realize the rotation of roller way component 20. Figure 3As shown, in order to improve the accuracy and stability of the turntable, this embodiment is an improvement on the above embodiment. The difference from the above embodiment is that the bottom of the mounting plate 101 is provided with a pair of auxiliary cylinders 103. The output ends of the pair of auxiliary cylinders 103 can contact the connecting arm 302 respectively, which is used to limit the initial position and the end position when the connecting arm 302 rotates, and at the same time to guide the rotation direction of the connecting arm 302.

[0040] When the connecting arm 302 rotates, the auxiliary cylinder 103 can contact the connecting arm 302 at the starting and ending positions, limiting its rotation position and providing guidance during rotation. This precisely limits the rotation position of the connecting arm 302, ensuring the accuracy of the rotation angle of the roller conveyor assembly 20 and improving the precision and stability of the turntable's operation. The guiding effect also makes the rotation of the connecting arm 302 smoother.

[0041] Each of the auxiliary cylinders 103 is provided with an L-shaped fixing block 104. The auxiliary cylinder 103 is fixedly mounted on the L-shaped fixing block 104, and the L-shaped fixing block 104 is fixedly mounted on the bottom of the mounting plate 101.

[0042] This structure securely fixes the auxiliary cylinder 103 to the mounting plate 101, ensuring the stability of the auxiliary cylinder 103 during operation and enabling it to reliably perform its function of defining and guiding the position of the connecting arm 302.

[0043] like Figure 4 As shown, in order to facilitate the movement of the engine cylinder block on the roller assembly 20, this embodiment is an improvement on the above embodiment. The difference from the above embodiment is that the roller assembly 20 includes a drive structure 200, a connecting base plate 201, a pair of mounting side plates 202, and a plurality of rotating cylinders 203. The connecting base plate 201 is disposed at one end of the rotating shaft 301 that passes through the connecting sleeve 300 and is fixedly connected to the rotating shaft 301. The pair of mounting side plates 202 are respectively disposed on both sides of the top of the connecting base plate 201 and are fixedly connected to the connecting base plate 201. The plurality of rotating cylinders 203 are disposed between the pair of mounting side plates 202 and are rotatably connected to the pair of mounting side plates 202 at both ends. The drive structure 200 is disposed on the connecting base plate 201 and is configured to cooperate with the plurality of rotating cylinders 203 for driving the plurality of rotating cylinders 203.

[0044] In the embodiment, the roller assembly 20 comprises a driving structure 200, a connecting bottom plate 201, a pair of mounting side plates 202 and a plurality of rotating cylinders 203. The connecting bottom plate 201 is fixed with the rotating shaft 301, the pair of mounting side plates 202 are fixed on the top of the connecting bottom plate 201, and the rotating cylinders 203 are arranged between the mounting side plates 202 and rotatably connected with the side plates. The driving structure 200 is mounted on the connecting bottom plate 201 and drives the rotating cylinders 203 to rotate by cooperating with the rotating cylinders 203. The roller structure for placing and transporting the engine block is provided in the embodiment, and the rotation of the rotating cylinders 203 facilitates the movement of the engine block on the roller, thereby realizing the transmission of the engine block on the assembly line.

[0045] As shown in Figures 4 to 5 , the driving structure 200 comprises a driving motor 204, a driving wheel 205 and a plurality of driven wheels 206. The driving motor 204 is fixedly arranged at the bottom of the connecting bottom plate 201, the driving wheel 205 is fixedly arranged on the output shaft of the driving motor 204, and the plurality of driven wheels 206 are arranged on the plurality of rotating cylinders 203. The driving wheel 205 is connected and driven with one of the driven wheels 206 through a first transmission member 207, and the plurality of driven wheels 206 are connected and driven through a second transmission member 208.

[0046] In use, the motor is used for driving to realize the automatic rotation of the rotating cylinders 203, thereby improving the driving efficiency and stability of the roller assembly 20 and ensuring the stable transmission of the engine block on the roller.

[0047] In one of the embodiments, the driving wheel 205 and the driven wheel 206 both adopt a gear structure. The driven wheel 206 is provided with a plurality of main teeth and a plurality of secondary teeth, the first transmission member 207 and the second transmission member 208 are both chains, the driving wheel 205 is connected and driven with the main teeth on one of the driven wheels 206 through the first transmission member 207, and the secondary teeth on the plurality of driven wheels 206 are connected and driven through the second transmission member 208.

[0048] In use, the power can be stably transmitted between the driving wheel 205 and the driven wheel 206. At the same time, the gear and chain transmission mode has stable transmission ratio, which can ensure that the rotating speeds of the rotating cylinders 203 are consistent, thereby ensuring the smooth transmission of the engine block on the roller. Meanwhile, the chain transmission has a certain buffering effect, thereby reducing the impact.

[0049] As shown in Figure 5 , in order to facilitate the installation of the first transmission member 207, as a further preferred, the connecting bottom plate 201 is provided with a through groove 217 matched with the first transmission member 207, and the through groove 217 penetrates the connecting bottom plate 201.

[0050] As shown in Figure 4As shown, one of the mounting side plates 202 is provided with a protective shell 209. The protective shell 209 is configured to cooperate with several driven wheels 206 to protect the several driven wheels 206. The protective shell 209 is fixedly connected to the mounting side plate 202.

[0051] When in use, the protective shell 209 can enclose the driven wheel 206, protecting it from external dust, debris, and other contaminants, thus extending its service life. It also prevents personnel from accidentally coming into contact with the rotating driven wheel 206, thereby improving the safety of the equipment.

[0052] like Figures 5 to 6 As shown, to facilitate the positioning of the engine cylinder block, this embodiment is an improvement on the above embodiment. The difference lies in that a stop block 210 is provided above the connecting base plate 201. One end of the stop block 210 is fixedly connected to one end of one of the mounting side plates 202, and the other end is fixedly connected to one end of the protective shell 209. A positioning assembly 211 is provided on the connecting base plate 201. The positioning assembly 211 includes a positioning cylinder 212, a positioning seat 213, a positioning rod 214, and a positioning plate 215. The positioning cylinder 212 is located at the bottom of the connecting base plate 201 and is fixedly connected to the bottom of the connecting base plate 201. The positioning seat 213 is located on the top of the connecting base plate 201 and above the positioning cylinder 212. The positioning seat 213 has a sliding cavity 216 that extends through the top of the positioning seat 213. One end of the positioning rod 214 is located in the sliding cavity 216 and is slidably connected to the sliding cavity 216. The positioning plate 215 is fixedly located at the other end of the positioning rod 214 and is configured to cooperate with the stop block 210. The output shaft of the positioning cylinder 212 extends through the connecting base plate 201 and extends into the sliding cavity 216 and is fixedly connected to the bottom of the positioning rod 214. The output shaft of the positioning cylinder 212 is slidably connected to the connecting base plate 201.

[0053] In this embodiment, a stop 210 is provided above the connecting base plate 201, and a positioning assembly 211 is provided on the connecting base plate 201, including a positioning cylinder 212, a positioning seat 213, a positioning rod 214, and a positioning plate 215. The positioning cylinder 212 is located at the bottom of the connecting base plate 201, and its output shaft passes through the base plate and connects to the bottom of the positioning rod 214. The positioning seat 213 is located at the top of the base plate and has a sliding cavity 216 inside. The positioning rod 214 slides in the sliding cavity 216, and the positioning plate 215 cooperates with the stop 210. When the positioning cylinder 212 works, it pushes the positioning rod 214 up or down, so that the positioning plate 215 cooperates with the stop 210 to position the engine cylinder body placed on the roller conveyor. In use, it can accurately position the engine cylinder body placed on the roller conveyor, ensuring the accuracy of the engine cylinder body's position on the roller conveyor, facilitating subsequent processing, transfer, and other operations of the engine cylinder body, and improving the accuracy of the entire workflow.

[0054] The utility model discloses a working principle:

[0055] The utility model discloses a setting rotation subassembly 30 to setting roll way subassembly 20 on rotation subassembly 30 has realized the rotation of roll way subassembly 20, in use, through drive cylinder 303 drive connection swing arm 302, and then drive rotation rotation axis 301 rotation, thereby realize the rotation of roll way subassembly 20. This process provides power through drive cylinder 303, realizes roll way subassembly 20 rotation, compared with traditional manpower drive, the utility model has the advantages such as labor saving, high efficiency.

[0056] The above-mentioned embodiment only expresses the specific implementation of the utility model, and the description is more specific and detailed, but it can not be understood as the limitation of the utility model patent scope. It should be pointed out that for ordinary skilled person in the art, without departing from the concept of the utility model, a number of variations and improvements can be made, which belong to the protection scope of the utility model.

Claims

1. A turret structure, characterized by, The frame assembly (10), the roller assembly (20) and the rotating assembly (30) are provided, the rotating assembly (30) is arranged on the frame assembly (10), and the roller assembly (20) is arranged on the rotating assembly (30) and above the frame assembly (10); The frame assembly (10) comprises a mounting bracket (100) and a mounting plate (101), the mounting plate (101) is arranged on the top of the mounting bracket (100) and fixedly connected with the mounting bracket (100); The rotating assembly (30) comprises a connecting sleeve (300), a rotating shaft (301), a connecting arm (302) and a driving cylinder (303), the connecting sleeve (300) is fixedly arranged on the mounting plate (101) and penetrates the mounting plate (101) at one end, the rotating shaft (301) penetrates the connecting sleeve (300) at one end and is rotationally connected with the connecting sleeve (300), the one end of the rotating shaft (301) penetrating the connecting sleeve (300) is fixedly connected with the roller assembly (20), the connecting arm (302) is fixedly arranged on the other end of the rotating shaft (301), and the driving cylinder (303) is rotationally arranged on the bottom of the mounting plate (101) and rotationally connected with one end of the connecting arm (302) at one end, for driving the connecting arm (302).

2. A turntable structure according to claim 1, wherein One end of the output shaft of the driving cylinder (303) is provided with a connecting shaft (304), the connecting arm (302) is provided with a connecting groove (305), the connecting groove (305) is provided with a connecting rod (306), one end of the connecting shaft (304) is fixedly connected with the output shaft of the driving cylinder (303), the other end is rotationally connected with the connecting rod (306), and the connecting shaft (304) is rotationally matched with the connecting groove (305).

3. A turntable structure according to claim 2, wherein One side of the bottom of the mounting plate (101) is provided with a mounting frame (102), the mounting frame (102) is fixedly connected with the bottom of the mounting plate (101), the driving cylinder (303) is mounted in the mounting frame (102) and rotationally connected with the mounting frame (102).

4. A turntable structure according to claim 3, wherein The bottom of the mounting plate (101) is provided with a pair of auxiliary cylinders (103), the output ends of the pair of auxiliary cylinders (103) are respectively in contact with the connecting arm (302), for limiting the initial position and the terminal position of the connecting arm (302) during rotation, and guiding the rotation direction of the connecting arm (302).

5. A turntable structure according to claim 4, wherein The pair of auxiliary cylinders (103) are both provided with L-shaped fixing blocks (104), the auxiliary cylinders (103) are fixedly arranged on the L-shaped fixing blocks (104), and the L-shaped fixing blocks (104) are fixedly arranged on the bottom of the mounting plate (101).

6. A turntable structure according to claim 1 or 5, wherein The roller assembly (20) comprises a driving structure (200), a connecting bottom plate (201), a pair of mounting side plates (202) and a plurality of rotating cylinders (203), the connecting bottom plate (201) is arranged at one end of a rotating shaft (301) penetrating a connecting sleeve (300) and is fixedly connected with the rotating shaft (301), the pair of mounting side plates (202) are respectively arranged at two sides of the top of the connecting bottom plate (201) and are fixedly connected with the connecting bottom plate (201), the plurality of rotating cylinders (203) are arranged between the pair of mounting side plates (202) and are rotatably connected with the pair of mounting side plates (202) at two ends, and the driving structure (200) is arranged on the connecting bottom plate (201) and is arranged in cooperation with the plurality of rotating cylinders (203) and is used for driving the plurality of rotating cylinders (203).

7. A turntable structure according to claim 6, wherein The driving structure (200) comprises a driving motor (204), a driving wheel (205) and a plurality of driven wheels (206), the driving motor (204) is fixedly arranged at the bottom of the connecting bottom plate (201), the driving wheel (205) is fixedly arranged on the output shaft of the driving motor (204), the plurality of driven wheels (206) are respectively arranged on the plurality of rotating cylinders (203), the driving wheel (205) is connected and driven with one of the driven wheels (206) through a first transmission member (207), and the plurality of driven wheels (206) are connected and driven through a second transmission member (208).

8. A turntable structure according to claim 7, wherein The driving wheel (205) and the driven wheel (206) are both in a gear structure, wherein a plurality of main teeth and a plurality of secondary teeth are arranged on the driven wheel (206), the first transmission member (207) and the second transmission member (208) are both chains, the driving wheel (205) is connected and driven with the main teeth on one of the driven wheels (206) through the first transmission member (207), and the secondary teeth on the plurality of driven wheels (206) are connected and driven through the second transmission member (208).

9. A turntable structure according to claim 8, wherein One of the mounting side plates (202) is provided with a protective shell (209), the protective shell (209) is arranged in cooperation with the plurality of driven wheels (206) and is used for protecting the plurality of driven wheels (206), and the protective shell (209) is fixedly connected with the mounting side plate (202).

10. A turntable structure according to claim 9, wherein The connecting bottom plate (201) is provided with a stop block (210) above, one end of the stop block (210) is fixedly connected with one end of one of the mounting side plates (202), the other end is fixedly connected with one end of the protection shell (209), the connecting bottom plate (201) is provided with a positioning assembly (211), the positioning assembly (211) comprises a positioning cylinder (212), a positioning seat (213), a positioning rod (214) and a positioning plate (215), the positioning cylinder (212) is arranged at the bottom of the connecting bottom plate (201) and is fixedly connected with the bottom of the connecting bottom plate (201), the positioning seat (213) is arranged at the top of the connecting bottom plate (201) and is located above the positioning cylinder (212), the positioning seat (213) is provided with a sliding cavity (216) inside, the sliding cavity (216) penetrates through the top of the positioning seat (213), one end of the positioning rod (214) is arranged in the sliding cavity (216) and is slidably connected with the sliding cavity (216), the positioning plate (215) is fixedly arranged at the other end of the positioning rod (214) and is arranged in cooperation with the stop block (210), the output shaft of the positioning cylinder (212) penetrates through the connecting bottom plate (201) and extends into the sliding cavity (216) and is fixedly connected with the bottom of the positioning rod (214), and the output shaft of the positioning cylinder (212) is slidably connected with the connecting bottom plate (201).

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