Turnover mechanism

Abstract

The utility model provides a turnover mechanism which comprises a working disc, at least one suction rod is arranged on one side of the working disc, one end of the suction rod is connected with the working disc in a sliding mode, and the suction rod can slide in the first direction. The rotating disc assemblies comprise rotating shafts and first rotating discs, the first rotating discs are fixedly arranged on the rotating shafts, a plurality of suction head assemblies are arranged in the circumferential directions of the first rotating discs, the suction head assemblies are arranged at intervals, and each suction head assembly comprises a suction head; the driving mechanism is used for driving the rotating shaft to rotate and enabling the suction head on the first rotating disc to be aligned with the other end of the suction rod; and the vacuum device is used for enabling the suction rod and / or the suction head to suck or release the workpiece. According to the embodiment of the utility model, the overturning mechanism can rapidly overturn the front and back surfaces of the laminated capacitor, and the automation degree is high.

Description

Technical Field

[0001] The utility model belongs to the field of capacitor processing and production, and particularly relates to a turnover mechanism. Background Art

[0002] The multilayer capacitor is a capacitor product with advanced technology and excellent performance. Its high frequency and low impedance are superior to ordinary capacitors and are widely used in electronic products such as tablets, smart phones, and flat-panel displays. The performance of the capacitor depends on whether all its previous processes are qualified. This mechanism can quickly flip the front and back of the capacitor in a stable, reliable and adjustable state during the production process. It has a high degree of automation and excellent product front and back flipping effect. Summary of the invention

[0003] In order to solve at least one technical problem in the prior art, the embodiment of the utility model provides a flipping mechanism that can flip the front and back sides of a workpiece. In order to achieve the above technical objectives, the technical solution adopted by the embodiment of the utility model is:

[0004] The present invention provides a turning mechanism, comprising:

[0005] A working disc, wherein at least one suction rod is provided on one side of the working disc, one end of the suction rod is slidably connected to the working disc, and the suction rod can slide along a first direction;

[0006] At least two turntable assemblies, the turntable assemblies comprising a rotating shaft and a first rotating disk, the first rotating disk being fixedly arranged on the rotating shaft, a plurality of suction head assemblies being arranged at intervals on the circumference of the first rotating disk, the suction head assemblies comprising suction heads;

[0007] A driving mechanism, used for driving the rotating shaft to rotate and making the suction head on the first rotating disk align with the other end of the suction rod;

[0008] A vacuum device is used to enable the suction rod and / or the suction head to suck or release the workpiece.

[0009] Furthermore, the rotating shaft is also sleeved with:

[0010] a first bearing, wherein the first rotating disk is sleeved with an outer ring of the first bearing, and the first rotating disk is provided with a first mounting hole;

[0011] A first jacket, fixedly connected to the rotating shaft and disposed on one side of the first rotating disk, wherein the first jacket is provided with a first assembly hole;

[0012] The flip mechanism also includes a first mounting screw, which passes through the first assembly hole and is fixedly connected to the first mounting hole.

[0013] Furthermore, the turntable assembly further comprises:

[0014] a second rotating disk, the second rotating disk comprising a second rotating disk body and an extension portion, the second rotating disk body being fixedly connected to one end of the rotating shaft and disposed on a side of the first rotating disk away from the first jacket, the extension portion being fixedly disposed on an outer ring of the second rotating disk body, and the extension portion extending toward the first rotating disk;

[0015] A plurality of positioning components are fixedly arranged on the first rotating disk, and the positioning components are in contact with the extending portion.

[0016] Furthermore, a plurality of fixing holes are provided on a side of the first rotating disk close to the second rotating disk, and the fixing holes are arranged along the circumferential direction;

[0017] Any of the positioning components comprises:

[0018] A fixed shaft, one end of which is fixed in the fixed hole;

[0019] The second bearing is fixedly connected to the other end of the fixed shaft, and the outer ring of the second bearing is in contact with the inner wall of the extension portion.

[0020] Furthermore, the positioning assembly also includes a distance sleeve, which is arranged on the fixed shaft and between the second bearing and the first rotating disk.

[0021] Furthermore, the second rotating disk body is sleeved on the rotating shaft, and a second mounting hole is provided on the second rotating disk body;

[0022] The turntable assembly also includes:

[0023] a second jacket, the second jacket being fixedly connected to the rotating shaft and disposed between the first rotating disk and the second rotating disk, the second jacket being provided with a second assembly hole,

[0024] A second mounting screw passes through the second mounting hole and is fixedly connected to the second assembly hole.

[0025] Further, the first jacket is provided with a first opening, the first opening is provided with a first countersunk hole, the first jacket is also provided with a first fixing screw, the first fixing screw is threadedly connected to the first countersunk hole and can fix the first opening;

[0026] And / or, the second jacket is provided with a second opening portion, the second opening portion is provided with a second countersunk hole, the second jacket is further provided with a second fixing screw, the second fixing screw is threadedly connected to the second countersunk hole and can fix the second opening portion.

[0027] Further, the rotating shaft is provided with a first mounting groove, the first jacket is provided with a first key groove, and the flipping mechanism further comprises a first key, and the first key is inserted into the first mounting groove and the first key groove;

[0028] And / or, the rotating shaft is provided with a second mounting groove, the second sleeve is provided with a second key groove, and the flipping mechanism further comprises a second key, and the second key is inserted into the second mounting groove and the second key groove.

[0029] Furthermore, the driving mechanism is a servo motor, the servo motor includes an output shaft, and the output shaft is connected to the rotating shaft through a coupling.

[0030] Further, the vacuum device is a vacuum pump;

[0031] The suction head assembly also includes a cover plate, which is fixed on a side of the first rotating disk close to the second rotating disk. The cover plate is provided with a channel, one end of the channel is connected to the vacuum pump, and the other end of the channel is connected to the suction head.

[0032] The beneficial effects of the technical solution provided by the embodiment of the utility model are:

[0033] The flipping mechanism in the embodiment of the utility model can quickly flip the front and back sides of the multilayer capacitor under the action of the turntable assembly and the working disk, with a high degree of automation, a stable and reliable flipping process, an adjustable flipping assembly, and an excellent flipping effect of the flipping mechanism. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] Figure 1 It is a top view of the flipping mechanism in the embodiment of the utility model.

[0035] Figure 2 It is a cross-sectional view of the turning mechanism in the embodiment of the utility model.

[0036] Figure 3 It is a partial cross-sectional view of the turning mechanism in the embodiment of the utility model.

[0037] Figure 4 It is a schematic structural diagram of the first jacket in an embodiment of the utility model.

[0038] Figure 5 It is a schematic structural diagram of the second jacket in the embodiment of the utility model. DETAILED DESCRIPTION

[0039] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0040] In the description of the embodiments of the present utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, which are only for the convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", and "third" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0041] In the description of the embodiments of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, it can also be the internal connection of two components, it can be a wireless connection, or it can be a wired connection. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0042] In addition, the technical features involved in the different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0043] The utility model embodiment provides a flip mechanism,

[0044] A working disc 1, wherein at least one suction rod 11 is provided on one side of the working disc 1, one end of the suction rod 11 is slidably connected to the working disc 1, and the suction rod 11 can slide along a first direction A;

[0045] At least two turntable assemblies 2, the turntable assemblies 2 comprising a rotating shaft 21 and a first rotating disk 22, the first rotating disk 22 being fixedly disposed on the rotating shaft 21, a plurality of suction head assemblies 23 being disposed in a circumferential direction of the first rotating disk 22, the plurality of suction head assemblies 23 being disposed at intervals, and the suction head assemblies 23 comprising suction heads 231;

[0046] A driving mechanism 3, used for driving the rotating shaft 21 to rotate and making the suction head 231 on the first rotating disk 22 align with the other end of the suction rod 11;

[0047] The vacuum device is used to enable the suction rod 11 and / or the suction head 231 to suck or release the workpiece.

[0048] The flipping mechanism described in the present application can be used to flip the capacitor, and the driving mechanism 3 is used to drive the rotating shaft 21 to rotate, thereby driving the first rotating disk 22 to rotate. The driving mechanism 3 can adjust the speed and angle of rotation of the rotating shaft 21, thereby adjusting the position of any one of the suction head assemblies 23 on the first rotating disk 22.

[0049] The number of the suction rods 11 and the turntable assembly 2 is not limited, and the number of the suction rods 11 and the turntable assembly 2 can be adaptively adjusted according to actual needs. The more the number of the suction rods 11 and the turntable assembly 2 is, the more workpieces the flipping mechanism can flip at the same time, and the efficiency is higher. In a specific embodiment, Figure 1 and Figure 2 As shown, two suction rods 11 are provided below the working disk 1, and the two suction rods 11 are arranged at intervals in the horizontal direction, and a turntable assembly 2 is provided below any of the suction rods 11. In order to conveniently describe the working principle of the flipping mechanism, the left side below the working disk 1 is assumed to be a left suction rod, and the right side is assumed to be a right suction rod, wherein the left suction rod can move in the horizontal direction; correspondingly, the left turntable assembly is provided below the left suction rod, and the left turntable assembly includes a left rotating shaft and a left first rotating disk, and a left suction head is provided on the circumference of the left first rotating disk; the right turntable assembly is provided below the right suction rod, and the right turntable assembly includes a right rotating shaft and a right first rotating disk, and a right suction head is provided on the circumference of the right first rotating disk. The workpiece includes a first side and a second side. Before working, the lower end of the left suction rod sucks the first side of the workpiece, and the second side of the workpiece faces downward. During operation, in the first step, the driving mechanism 3 rotates the left rotating shaft, and makes the left suction head on the left first rotating disk align with the workpiece on the left suction rod. At this time, the vacuum device makes the left suction rod in a normal pressure state and the left suction head in a negative pressure state, so that the left suction rod releases the first side of the workpiece, and the left suction head sucks the second side of the workpiece; in the second step, the driving mechanism drives the left rotating shaft to rotate clockwise, and makes the left suction head on the left first rotating disk rotate to the right side to correspond to a right suction head. At this time, the vacuum device makes the left suction head in a normal pressure state and the right suction head in a negative pressure state, so the left suction head Release the second side of the workpiece, and the right suction head sucks the first side of the workpiece; at the same time, slide the left suction rod and the right suction rod to the right, so that the left suction rod is in the original position of the right suction rod; in the third step, the driving mechanism 3 drives the right rotating shaft to rotate, and drives the right first rotating disk to rotate clockwise, at this time, the right suction head turns to the upper side and continues to correspond to the left suction rod, the vacuum device makes the right suction head in a normal pressure state and the left suction rod in a negative pressure state, and then the right suction head opens the first side of the workpiece, and the left suction rod sucks the second side of the workpiece, so as to realize the first side of the workpiece facing downward, and complete the flipping of the workpiece. The flipping mechanism has a simple structure, can realize the flipping of the workpiece, has high efficiency and high degree of automation.

[0050] It should be noted that the number and position of the suction head assemblies 23 on any one of the first rotating disks 22 are not limited. In a specific embodiment, the turntable assembly 2 is provided with four groups of suction head assemblies 23, and the four groups of suction head assemblies 23 are evenly spaced along the circumference of the first rotating disk 22.

[0051] The first rotating disk 22 is fixedly disposed on the rotating shaft 21, and the connection method between the rotating shaft 21 and the first rotating disk 22 is not limited. Figure 3 As shown, the rotating shaft 21 is also sleeved with:

[0052] A first bearing 24, the first rotating disk 22 is sleeved with an outer ring of the first bearing 24, and the first rotating disk 22 is provided with a first mounting hole;

[0053] A first jacket 25, fixedly connected to the rotating shaft 21 and disposed on one side of the first rotating disk 22, wherein the first jacket 25 is provided with a first assembly hole;

[0054] The flip mechanism further includes a first mounting screw 251 , and the first mounting screw 251 passes through the first assembly hole and is fixedly connected to the first mounting hole.

[0055] The first jacket 25 is fixedly connected to the rotating shaft 21, so the first jacket 25 can rotate with the rotating shaft 21. Since the first mounting screw 251 can fix the first rotating disk 22 to the first jacket 25, the first jacket 25 can also drive the first rotating disk 22 to rotate. The first bearing 24 ensures the concentricity of the first rotating disk 22 and the rotating shaft 21, thereby improving the accuracy of the operation of the turning mechanism.

[0056] The number of the first mounting holes, the first assembly holes, and the first mounting screws 251 is not limited. Figure 3 As shown, three first assembly holes are provided on the first jacket 25, and three first mounting holes are provided on the first rotating disk 22, and the positions of the first mounting holes and the first assembly holes correspond one to one.

[0057] Furthermore, the turntable assembly 2 further includes:

[0058] The second rotating disk 26 includes a second rotating disk body 261 and an extension portion 262. The second rotating disk body 261 is fixedly connected to one end of the rotating shaft 21 and is disposed on a side of the first rotating disk 22 away from the first jacket 25. The extension portion 262 is fixedly disposed on an outer ring of the second rotating disk body 261 and extends toward the first rotating disk 22.

[0059] A plurality of positioning components 27 are fixedly disposed on the first rotating disk 22 , and the positioning components 27 are in contact with the extending portion 262 .

[0060] like Figure 3 As shown, when the rotating shaft 21 rotates, the second rotating disk body 261 of the second rotating disk 26 can be driven to rotate, thereby driving the extension portion 262 to rotate around the rotating shaft 21. Since the positioning assembly 27 fits the extension portion 262, the concentricity of the first rotating disk 22 and the rotating shaft 21 can be further ensured.

[0061] The specific configuration of the positioning assembly 27 is not limited. In a specific embodiment, as shown in the figure, a plurality of fixing holes are provided on one side of the first rotating disk 22 close to the second rotating disk 26, and the fixing holes are arranged along the circumferential direction;

[0062] Any of the positioning components 27 includes:

[0063] A fixed shaft 271, one end of which is fixed in the fixing hole;

[0064] The second bearing 272 is fixedly connected to the other end of the fixed shaft 271 , and the outer ring of the second bearing 272 is in contact with the inner wall of the extending portion 262 .

[0065] When the rotating shaft 21 rotates, it drives the first rotating disk 22 and the second rotating disk 26 to rotate at the same time. The first rotating disk 22 drives the fixed shaft 271 and the second bearing 272 in the fixed hole to rotate. Since the second bearing 272 is also in contact with the inner ring of the extension portion 262, the second rotating disk 26 can limit the position of the second bearing 272, thereby improving the rotation accuracy of the first rotating disk 22.

[0066] The number of the positioning components 27 is not limited. In a specific embodiment, four groups of the positioning components 27 are provided on the turntable component 2, and the four groups of the positioning components 27 are spaced apart along the circumferential direction.

[0067] Furthermore, the positioning assembly 27 also includes a distance sleeve 273, which is sleeved on the fixed shaft 271 and arranged between the second bearing 272 and the first rotating disk 22. The distance sleeve 273 can have multiple specifications. The distance sleeve 273 can ensure that the height of the second bearing 272 is consistent with the extension portion 262, so that the outer ring of the second bearing 272 fits with the inner wall of the extension portion 262.

[0068] The connection method between the second rotating disk 26 and the rotating shaft 21 is also not limited. In a specific embodiment, the second rotating disk body 261 is sleeved on the rotating shaft 21, and a second mounting hole is provided on the second rotating disk body 261;

[0069] The turntable assembly 2 also includes:

[0070] The second jacket 28 is fixedly connected to the rotating shaft 21 and disposed between the first rotating disk 22 and the second rotating disk 26. The second jacket 28 is provided with a second assembly hole.

[0071] A second mounting screw 280 passes through the second mounting hole and is fixedly connected to the second assembly hole.

[0072] This structure can make the connection between the rotating shaft 21 and the second rotating disk 26 more secure, thereby improving the stability of the operation of the turnover mechanism.

[0073] Furthermore, the first jacket 25 is provided with a first opening 252, the first opening 252 is provided with a first countersunk hole 253, and the first jacket 25 is also provided with a first fixing screw, the first fixing screw is threadedly connected with the first countersunk hole 253 and can fix the first opening 252;

[0074] And / or, the second jacket 28 is provided with a second opening portion 281, the second opening portion 281 is provided with a second countersunk hole 282, and the second jacket 28 is also provided with a second fixing screw, the second fixing screw is threadedly connected to the second countersunk hole 282 and can fix the second opening portion 281.

[0075] In a specific embodiment, Figure 4 As shown, during installation, the first jacket 25 is sleeved on the shaft 21 through the first opening 252, and then the first fixing screw is screwed into the first countersunk hole 253 to fix the first jacket 25 on the shaft 21. Similarly, Figure 5 As shown, the second jacket 28 is sleeved on the rotating shaft 21 through the second opening 281, and then the second fixing screw is screwed into the second countersunk hole 282, so that the second jacket 28 can be fixed on the rotating shaft 21. The structure is simple and easy to disassemble.

[0076] Furthermore, the rotating shaft 21 is provided with a first mounting groove, the first jacket 25 is provided with a first key groove 254, and the flipping mechanism further includes a first key, and the first key is inserted into the first mounting groove and the first key groove 254;

[0077] And / or, the rotating shaft 21 is provided with a second mounting groove, the second jacket 28 is provided with a second key groove 284 , and the flipping mechanism further includes a second key 283 , and the second key 283 is inserted into the second mounting groove and the second key groove 284 .

[0078] like Figure 4 As shown, the first key can strengthen the connection between the first jacket 25 and the rotating shaft 21, ensuring that the first jacket 25 and the rotating shaft 21 rotate synchronously. Figure 5 As shown, the second key 283 can strengthen the connection between the second jacket 28 and the rotating shaft 21 to ensure the synchronous rotation of the second jacket 28 and the rotating shaft 21 .

[0079] Furthermore, the driving mechanism 3 is a servo motor, and the servo motor includes an output shaft, and the output shaft is connected to the rotating shaft 21 through a coupling 31 . This structure makes it easy to adjust the length of the rotating shaft 21 .

[0080] Furthermore, the flipping mechanism also includes a bottom plate, and any one of the first jackets 25 is fixed on the bottom plate, so that the structure can keep the position of the first jacket 25 consistent, which is beneficial for the suction heads 231 on any two adjacent first rotating disks 22 to approach and transfer the workpiece, and it is easy to adjust the interval between the first rotating disk 22 and the suction rod 11, thereby adjusting the interval between the suction head 231 and the suction rod 11.

[0081] Further, the vacuum device is a vacuum pump;

[0082] The suction head assembly 23 also includes a cover plate, which is fixed to a side of the first rotating disk 22 close to the second rotating disk 26 . A channel is provided on the cover plate, one end of the channel is connected to the vacuum pump, and the other end of the channel is connected to the suction head 231 .

[0083] like Figure 2 As shown, the connection method between the cover plate and the first rotating disk 22 is not limited, and screws can be used for connection, or the cover plate can be fixed and pasted on the first rotating disk 22 by glue.

[0084] Furthermore, the flipping mechanism further comprises a static plate, which is arranged on a side of the bottom plate close to the dynamic plate, and the static plate can support the dynamic plate.

[0085] Finally, it should be noted that the above specific implementation methods are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to examples, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the spirit and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. A turning mechanism, characterized in that: include: A working disk (1), wherein at least one suction rod (11) is provided on one side of the working disk (1), one end of the suction rod (11) is slidably connected to the working disk (1), and the suction rod (11) is capable of sliding along a first direction (A); At least two turntable assemblies (2), the turntable assemblies (2) comprising a rotating shaft (21) and a first rotating disk (22), the first rotating disk (22) being fixedly arranged on the rotating shaft (21), a plurality of suction head assemblies (23) being arranged in a circumferential direction of the first rotating disk (22), the plurality of suction head assemblies (23) being arranged at intervals, the suction head assemblies (23) comprising suction heads (231); A driving mechanism (3) for driving the rotating shaft (21) to rotate and causing the suction head (231) on the first rotating disk (22) to align with the other end of the suction rod (11); A vacuum device is used to enable the suction rod (11) and / or the suction head (231) to suck or release a workpiece.

2. The turning mechanism according to claim 1, characterized in that: The rotating shaft (21) is also sleeved with: a first bearing (24), the first rotating disk (22) being sleeved with an outer ring of the first bearing (24), and the first rotating disk (22) being provided with a first mounting hole; A first jacket (25) is fixedly connected to the rotating shaft (21) and is disposed on one side of the first rotating disk (22); the first jacket (25) is provided with a first assembly hole; The turnover mechanism further comprises a first mounting screw (251), wherein the first mounting screw (251) passes through the first assembly hole and is fixedly connected to the first mounting hole.

3. The turning mechanism according to claim 2, characterized in that: The turntable assembly (2) further comprises: a second rotating disk (26), the second rotating disk (26) comprising a second rotating disk body (261) and an extension portion (262), the second rotating disk body (261) being fixedly connected to one end of the rotating shaft (21) and being disposed on a side of the first rotating disk (22) away from the first jacket (25), the extension portion (262) being fixedly disposed on an outer ring of the second rotating disk body (261), and the extension portion (262) extending toward the first rotating disk (22); A plurality of positioning components (27) are fixedly arranged on the first rotating disk (22), and the positioning components (27) are in close contact with the extension portion (262).

4. The turning mechanism according to claim 3, characterized in that: A plurality of fixing holes are provided on a side of the first rotating disk (22) close to the second rotating disk (26), and the fixing holes are arranged along a circumferential direction; Any of the positioning components (27) comprises: A fixed shaft (271), one end of the fixed shaft (271) being fixed in the fixed hole; The second bearing (272) is fixedly connected to the other end of the fixed shaft (271), and the outer ring of the second bearing (272) is in contact with the inner wall of the extension portion (262).

5. The turning mechanism according to claim 4, characterized in that: The positioning assembly (27) further comprises a distance sleeve (273), wherein the distance sleeve (273) is sleeved on the fixed shaft (271) and is arranged between the second bearing (272) and the first rotating disk (22).

6. The turning mechanism according to claim 5, characterized in that: The second rotating disk body (261) is sleeved on the rotating shaft (21), and a second mounting hole is provided on the second rotating disk body (261); The turntable assembly (2) further comprises: a second jacket (28), the second jacket (28) being fixedly connected to the rotating shaft (21) and disposed between the first rotating disk (22) and the second rotating disk (26), the second jacket (28) being provided with a second assembly hole, A second mounting screw (280), wherein the second mounting screw (280) passes through the second mounting hole and is fixedly connected to the second assembly hole.

7. The turning mechanism according to claim 6, characterized in that: The first jacket (25) is provided with a first opening portion (252), the first opening portion (252) is provided with a first countersunk hole (253), and the first jacket (25) is also provided with a first fixing screw, the first fixing screw being threadedly connected to the first countersunk hole (253) and capable of fixing the first opening portion (252); And / or, the second sleeve (28) is provided with a second opening portion (281), the second opening portion (281) is provided with a second countersunk hole (282), and the second sleeve (28) is also provided with a second fixing screw, the second fixing screw is threadedly connected to the second countersunk hole (282) and is capable of fixing the second opening portion (281).

8. The turning mechanism according to claim 7, characterized in that: The rotating shaft (21) is provided with a first mounting groove, the first jacket (25) is provided with a first key groove (254), and the flipping mechanism further comprises a first key, the first key being inserted into the first mounting groove and the first key groove (254); And / or, the rotating shaft (21) is provided with a second mounting groove, the second jacket (28) is provided with a second key groove (284), and the flipping mechanism further comprises a second key (283), and the second key (283) is inserted into the second mounting groove and the second key groove (284).

9. The turning mechanism according to claim 1, characterized in that: The driving mechanism (3) is a servo motor, the servo motor comprises an output shaft, and the output shaft is connected to the rotating shaft (21) via a coupling (31).

10. The turning mechanism according to claim 6, characterized in that: The vacuum device is a vacuum pump; The suction head assembly (23) further comprises a cover plate, the cover plate being fixed to a side of the first rotating disk (22) close to the second rotating disk (26), the cover plate being provided with a channel, one end of the channel being connected to the vacuum pump, and the other end of the channel being connected to the suction head (231).

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