A metal film capacitor arrangement device

Abstract

The present invention relates to the field of capacitors, and in particular to a metal film capacitor plate arrangement device, comprising a base, a turntable is rotatably mounted on the upper end of the base, a plurality of plate holes are formed in a circular array on the upper end face of the turntable, a plate arrangement grid is fitted and mounted inside the plate holes, the upper and lower end faces of the plate arrangement grid are coplanar with the upper and lower end faces of the turntable, ears are fitted and mounted on both sides of the lower end face of the plate arrangement grid, the ends of the ears are fixed to the turntable, a plate locking member is arranged between the plate arrangement grid and the turntable, a stop frame is arranged above the base, the lower end of the stop frame is coplanar with the upper end of the turntable, and a knocking vibration member is arranged below the upper end stop frame of the base. The present invention improves the efficiency of plate arrangement, ensures the quality of plate arrangement, and ensures the smooth operation of plate arrangement.

Description

Technical Field

[0001] The invention relates to the field of capacitors, and in particular to a metal film capacitor arrangement device. Background Art

[0002] Metal film capacitors are capacitors made by rolling or laminating double-sided metallized polypropylene films and non-metallized polypropylene films. They are excellent capacitors. Metal film capacitor arrays are an important part of the capacitor manufacturing process, which involves arranging capacitor components on the array grid in a certain order for subsequent hot pressing, welding or other process treatments.

[0003] In the process of arranging capacitor cores in the existing metal film capacitor arrangement facilities, when the arrangement grid is full, in order to prevent the capacitor core to be arranged from falling when the arrangement grid is replaced, it is often necessary to stop the machine and then take out the arrangement grid for replacement. The operation process cannot achieve the purpose of continuous arrangement, resulting in low arrangement efficiency. Summary of the invention

[0004] The purpose of the present invention is to solve the shortcomings of the background technology and to propose a metal film capacitor plate device.

[0005] To achieve the above purpose, the technical solution adopted by the present invention is: a metal film capacitor plate arrangement device, comprising a base, a turntable is rotatably installed on the upper end of the base, a plurality of plate holes are penetrated in a circular array on the upper end surface of the turntable, a plate arrangement grid is fitted and installed inside the plate holes, the upper and lower end surfaces of the plate arrangement grid are coplanar with the upper and lower end surfaces of the turntable, ears are fitted and installed on the edges of both sides of the lower end surface of the plate arrangement grid, the ends of the ears are fixed to the turntable, a locking plate member is arranged between the plate arrangement grid and the turntable, a baffle frame is arranged above the base, the lower end of the baffle frame is coplanar with the upper end of the turntable, and a knocking vibration member is arranged below the upper end baffle frame of the base.

[0006] Preferably, the knocking vibration member includes an axis frame fixedly mounted at the upper edge of the base, a T-shaped slide seat fixedly mounted on the upper end of the axis frame, a tooth plate slidably mounted on the outer surface of the T-shaped slide seat, a push plate gear meshed in the middle of the tooth plate, a swing shaft is coaxially embedded in the interior of the push plate gear, the swing shaft is rotatably mounted on the base, a swing seat is fixedly mounted on the end of the swing shaft, the swing seat is located below the baffle frame, and balls are elastically mounted on both ends of the swing seat.

[0007] Preferably, the front end of the shaft frame is rotatably mounted with a second shaft and a first shaft, the second shaft and the first shaft are symmetrically arranged, the rear end of the shaft frame is penetrated by a third shaft, a large pulley is coaxially embedded in one end of the third shaft, a small pulley is coaxially embedded in the outer surface of the first shaft, and a belt is connected between the small pulley and the large pulley.

[0008] Preferably, a spring body is fixedly installed at the lower end of the sphere, and the end of the spring body is fixed to the swing seat, a small gear is coaxially inlaid on the other end of the No. 3 shaft body, and a large gear is coaxially inlaid on the outer surface of the No. 2 shaft body, and the large gear is meshed with the small gear, and a servo motor is fixedly installed in front of the upper end shaft frame of the base, and the output end of the servo motor is connected to a transmission box, and the transmission box is fixed to the base, and one end of the transmission box and the end of the No. 2 shaft body are coaxially inlaid with a helical gear, and the two helical gears are meshed.

[0009] Preferably, a rotating drum is rotatably mounted in the middle of the upper end of the base, the middle of the turntable is fixed to the upper end of the rotating drum, a gear ring is coaxially fixedly mounted at the lower edge of the outer surface of the rotating drum, a driving gear is coaxially inlaid with the other end of the transmission box, the driving gear is meshed with the gear ring, an axle ear extends from the end of the No. 1 shaft body, a connecting rod is rotatably mounted on the end of the axle ear, and the end of the connecting rod is rotatably connected to the lower part of the gear plate.

[0010] Preferably, the locking disk component includes two accommodating cavities opened at the front and rear ends of the disk hole, and locking strips are fittedly installed inside the two accommodating cavities. The two locking strips respectively pass through the front and rear ends of the disk grid, and a push rod is provided inside the accommodating cavity. A push strip plate is rotatably installed at one end of the push rod, and the end of the push strip plate is rotatably connected to the middle part of the locking strip. The push rod passes through the outer surface of the turntable, and the push rod slides with the turntable.

[0011] Preferably, the front and rear ends of the plate grid are both provided with grooves, the locking strip is fitted inside the grooves, a No. 2 L-shaped frame is fixedly installed on the inner wall of the accommodating cavity, a limiting pin is slidably installed through the end of the No. 2 L-shaped frame, a No. 1 L-shaped frame is fixedly installed on the end of the limiting pin, the end of the No. 1 L-shaped frame is fixed to the locking strip, a return spring is wound around the outside of the limiting pin, and both ends of the return spring are respectively fixed to the ends of the No. 1 L-shaped frame and the ends of the No. 2 L-shaped frame.

[0012] Preferably, a top frame is fixedly installed on the end of the top rod, a top wheel is installed in the middle of the top frame, an arc-shaped top rail is coaxially arranged on the outer side of the turntable, an inclined rail extends from one end of the arc-shaped top rail, the top wheel corresponds to the arc-shaped top rail, and three fixing frames are evenly distributed and fixedly installed on the outer surface of the arc-shaped top rail, the ends of the fixing frames are fixed to the base, and a frame is fixedly installed on the side of the baffle frame, and the ends of the frame are fixed to the fixing frame in the middle.

[0013] Compared with the prior art, the present invention has the following beneficial effects:

[0014] 1. The working servo motor can drive the driving gear to rotate, and then drive the gear ring meshing with the driving gear to rotate, so as to drive the turntable on the rotating drum to rotate slowly, so as to continuously send the plate grid placed on the turntable to the baffle frame for plate arrangement, and then send it away from the baffle frame after plate arrangement, so as to achieve the effect of continuous plate arrangement and improve the plate arrangement efficiency. At the same time, the servo motor will drive the shaft ear on the No. 1 shaft body to rotate quickly through the large gear, the small gear, etc. while driving the turntable to rotate, and then drive the connecting rod to move, so as to push the tooth plate, so that the tooth plate can slide back and forth on the T-shaped slide seat, so as to drive the push plate gear meshing with the tooth plate to continuously reciprocate, so that the two balls on the swing seat can continuously swing back and forth, so as to alternately knock the plate grid passing through the baffle frame to vibrate it, so that the capacitor core in the baffle frame can be neatly arranged in the plate grid under the action of the vibration force, so as to ensure the quality of its plate arrangement.

[0015] 2. When the top wheel on the turntable rotates to the inclined rail, the top wheel will roll along the inclined surface of the inclined rail to push the top rod toward the inside of the accommodating cavity. At this time, the moving top rod will drive the pushing plate to move to push the locking strip, so that the locking strip can be engaged in the strip grooves at both ends of the plate grid to fix the plate grid by itself, so as to avoid the phenomenon that the plate grid falls out of the plate hole due to knocking and affects the plate, thereby ensuring the smooth operation of the plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of a metal film capacitor arrangement device of the present invention;

[0017] Figure 2 A metal film capacitor arrangement device according to the present invention Figure 1 A magnified view of middle;

[0018] Figure 3 A cross-sectional view of a top rod of a metal film capacitor arrangement device of the present invention;

[0019] Figure 4 A metal film capacitor arrangement device according to the present invention Figure 3 Enlarged view of middle B;

[0020] Figure 5 A bottom view of a metal film capacitor arrangement device according to the present invention;

[0021] Figure 6 A metal film capacitor arrangement device according to the present invention Figure 5 Enlarged view of middle C;

[0022] Figure 7 It is a schematic diagram of a large gear of a metal film capacitor arrangement device of the present invention;

[0023] Figure 8 This is a schematic diagram from another perspective of the large gear of a metal film capacitor arrangement device of the present invention.

[0024] In the figure: 1, base; 2, drum; 3, turntable; 4, stop frame; 5, fixed frame; 6, arc top rail; 7, inclined rail; 8, plate grid; 9, frame; 10, top frame; 11, top wheel; 12, top rod; 13, locking strip; 14, strip push plate; 15, ear; 16, accommodating chamber; 17, limiting pin; 18, No. 1 L-shaped frame; 19, return spring; 20, No. 2 L-shaped frame; 21, strip groove; 22, plate hole; 23, gear ring; 24, Transmission box; 25. servo motor; 26. bevel gear; 27. large gear; 28. shaft body No. 1; 29. ​​shaft ear; 30. connecting rod; 31. swing shaft; 32. tooth plate; 33. push plate gear; 34. swing seat; 35. spring body; 36. ball; 37. shaft frame; 38. shaft body No. 2; 39. T-shaped slide; 40. small gear; 41. shaft body No. 3; 42. driving gear; 43. large pulley; 44. belt; 45. small pulley. DETAILED DESCRIPTION

[0025] The following description is used to disclose the present invention so that those skilled in the art can implement the present invention. The preferred embodiments described below are only examples, and those skilled in the art may think of other obvious variations.

[0026] like Figure 1-Figure 8The metal film capacitor arrangement device shown in the figure comprises a base 1, a turntable 3 is rotatably mounted on the upper end of the base 1, the turntable 3 plays the role of driving the arrangement grid 8 to rotate, a plurality of disk holes 22 are formed in a circular array on the upper end surface of the turntable 3, the disk holes 22 play the role of limiting the arrangement grid 8, the arrangement grid 8 is fitted inside the disk holes 22, the upper and lower end surfaces of the arrangement grid 8 are coplanar with the upper and lower end surfaces of the turntable 3, and ears 15 are fitted on both sides of the lower end surface of the arrangement grid 8, and the ends of the ears 15 are Fixed to the turntable 3, the supporting ear 15 serves to support the disk grid 8 placed in the disk hole 22. A disk locking member is provided between the disk grid 8 and the turntable 3. A retaining frame 4 is provided above the base 1. The lower end of the retaining frame 4 is coplanar with the upper end of the turntable 3. On the one hand, the retaining frame 4 can load the capacitor cores and stack them together. On the other hand, after the disk grid 8 is filled with capacitor cores, the excess capacitor cores stacked on the disk grid 8 can be blocked and removed. A knocking vibration member is provided below the upper retaining frame 4 of the base 1.

[0027] The knocking and vibrating member includes an axis frame 37 fixedly mounted at the upper end edge of the base 1, a T-shaped slide 39 fixedly mounted on the upper end of the axis frame 37, a toothed plate 32 slidably mounted on the outer surface of the T-shaped slide 39, the T-shaped slide 39 serves to guide the toothed plate 32, a push plate gear 33 is meshed in the middle of the toothed plate 32, the toothed plate 32 serves to allow the push plate gear 33 to reciprocate, a swing shaft 31 is coaxially penetrated and inlaid inside the push plate gear 33, the swing shaft 31 is rotatably mounted on the base 1, the swing shaft 31 serves to carry the swing seat 34, a swing seat 34 is fixedly mounted on the end of the swing shaft 31, the swing seat 34 is located below the baffle frame 4, balls 36 are elastically mounted on both ends of the swing seat 34, the swing seat 34 serves to drive the ball 36 to swing back and forth to knock and vibrate the plate grid 8.

[0028] The front end of the shaft frame 37 is rotatably installed with the second shaft body 38 and the first shaft body 28, which are symmetrically arranged. The second shaft body 38 and the first shaft body 28 play a transmission role. The rear end of the shaft frame 37 is penetrated by the third shaft body 41, which plays a transmission role. One end of the third shaft body 41 is coaxially inlaid with a large pulley 43, and the outer surface of the No. 1 shaft body 28 is coaxially inlaid with a small pulley 45, and a belt 44 is connected between the small pulley 45 and the large pulley 43. The cooperation between the small pulley 45, the large pulley 43 and the belt 44 plays a role in accelerating the rotation of the No. 1 shaft body 28.

[0029] A spring body 35 is fixedly installed at the lower end of the sphere 36, and the end of the spring body 35 is fixed to the swing seat 34. The spring body 35 plays a role in avoiding rigid knocking. A small gear 40 is coaxially inlaid on the other end of the No. 3 shaft body 41, and a large gear 27 is coaxially inlaid on the outer surface of the No. 2 shaft body 38. The large gear 27 is meshed with the small gear 40. The large gear 27 and the small gear 40 play a role in accelerating the rotation of the No. 1 shaft body 28. A servo motor 25 is fixedly installed in front of the upper end shaft frame 37 of the base 1. The output end of the servo motor 25 is connected to the transmission box 24, and the transmission box 24 plays a transmission role. The transmission box 24 is fixed to the base 1, and one end of the transmission box 24 and the end of the No. 2 shaft body 38 are coaxially inlaid with a bevel gear 26, and the two bevel gears 26 are meshed. The bevel gear 26 plays a role in connecting the transmission box 24 and the No. 2 shaft body 38 together.

[0030] A rotating drum 2 is rotatably installed in the middle of the upper end of the base 1, and the middle of the turntable 3 is fixed to the upper end of the rotating drum 2. The rotating drum 2 plays a role in supporting the turntable 3. A gear ring 23 is coaxially fixedly installed at the lower edge of the outer surface of the rotating drum 2. A driving gear 42 is coaxially inlaid with the other end of the transmission box 24. The driving gear 42 is meshed with the gear ring 23. The driving gear 42 can drive the gear ring 23 to rotate, and then drive the turntable 3 on the rotating drum 2 to rotate. An axle ear 29 extends from the end of the No. 1 shaft body 28, and a connecting rod 30 is rotatably installed on the end of the axle ear 29. The axle ear 29 plays a role in driving the connecting rod 30 to move. The end of the connecting rod 30 is rotatably connected to the lower part of the tooth plate 32, and the connecting rod 30 plays a role in pushing the tooth plate 32.

[0031] The locking disk component includes two accommodating cavities 16 opened at the front and rear ends of the disk hole 22. The two accommodating cavities 16 are fitted with locking strips 13 inside. The accommodating cavities 16 serve to support the locking strips 13. The two locking strips 13 respectively pass through the front and rear ends of the disk grid 8. The locking strips 13 play a role in locking and fixing the disk grid 8. A push rod 12 is arranged inside the accommodating cavity 16. A push plate 14 is rotatably installed at one end of the push rod 12. The end of the push plate 14 is rotatably connected to the middle part of the locking strip 13. The push rod 12 can drive the push plate 14 to move to push the locking strip 13. The push rod 12 passes through the outer surface of the turntable 3, and the push rod 12 slides with the turntable 3.

[0032] The front and rear ends of the plate grid 8 are both provided with strip grooves 21, and the locking strip 13 is fitted inside the strip grooves 21, and the strip grooves 21 play a role in cooperating with the locking strip 13. A No. 2 L-shaped frame 20 is fixedly installed on the inner wall of the accommodating cavity 16, and a limiting pin 17 is slidably installed through the end of the No. 2 L-shaped frame 20, and the No. 2 L-shaped frame 20 plays a role in guiding the limiting pin 17. A No. 1 L-shaped frame 18 is fixedly installed on the end of the limiting pin 17, and the end of the No. 1 L-shaped frame 18 is fixed to the locking strip 13, and the No. 1 L-shaped frame 18 plays a connecting role. A return spring 19 is wound around the outer side of the limiting pin 17, and the limiting pin 17 plays a role in preventing the return spring 19 from bending. The two ends of the return spring 19 are respectively fixed to the ends of the No. 1 L-shaped frame 18 and the ends of the No. 2 L-shaped frame 20, and the return spring 19 plays a role in ejecting the locking strip 13 from the strip groove 21.

[0033] A top frame 10 is fixedly installed at the end of the top rod 12, and a top wheel 11 is installed in the middle of the top frame 10. The top frame 10 plays a role in bearing the top wheel 11, and the top wheel 11 plays a role in reducing friction. An arc-shaped top rail 6 is coaxially arranged on the outer side of the turntable 3. The arc-shaped top rail 6 plays a role in keeping the locking strip 13 engaged in the strip groove 21. An inclined rail 7 extends from one end of the arc-shaped top rail 6. The top wheel 11 corresponds to the arc-shaped top rail 6. When the top wheel 11 on the turntable 3 rotates to the inclined rail 7, the top wheel 11 will roll along the inclined surface of the inclined rail 7 to move the top rod 12 toward the accommodating cavity 1 6 is pushed inside, and the moving push rod 12 will drive the pushing plate 14 to move to push the locking strip 13, so that the locking strip 13 can be engaged in the strip grooves 21 at both ends of the plate grid 8 to fix the plate grid 8 by itself. Three fixing frames 5 are evenly distributed and fixedly installed on the outer surface of the arc-shaped top rail 6, and the ends of the fixing frames 5 are fixed to the base 1, and the fixing frames 5 play a role in fixing the arc-shaped top rail 6. A frame 9 is fixedly installed on the side of the baffle frame 4, and the frame 9 plays a role in fixing the baffle frame 4. The end of the frame 9 is fixed to the fixing frame 5 in the middle.

[0034] When arranging the plates, the capacitor core will be stacked in the baffle frame 4 under the transmission of the conveyor belt. At this time, the servo motor 25 works to drive the driving gear 42 to rotate, and then drives the gear ring 23 meshing with the driving gear 42 to rotate, so as to drive the turntable 3 on the rotating drum 2 to rotate slowly. When the top wheel 11 on the turntable 3 rotates to the inclined rail 7, the top wheel 11 will roll along the inclined surface of the inclined rail 7 to push the push rod 12 toward the inside of the accommodating chamber 16. At this time, the moving push rod 12 will drive the pushing strip plate 14 to move to push the locking strip 13, so that the locking strip 13 can be engaged in the strip grooves 21 at both ends of the plate grid 8 to fix the plate grid 8 by itself. Subsequently, the plate grid 8 placed on the turntable 3 is continuously sent to the baffle frame 4 for arrangement under the drive of the turntable 3. In this process, the servo motor 2 The large gear 27, the small gear 40, etc. will also drive the shaft ear 29 on the first shaft body 28 to rotate quickly, thereby driving the connecting rod 30 to move, so as to push the tooth plate 32, so that the tooth plate 32 can slide back and forth on the T-shaped slide seat 39, so as to drive the push plate gear 33 meshing with the tooth plate 32 to rotate back and forth continuously, so that the two balls 36 on the swing seat 34 can swing back and forth continuously, so as to alternately knock the plate grid 8 passing through the stop frame 4 to vibrate it, so that the capacitor cores in the stop frame 4 can be neatly arranged in the plate grid 8 under the action of the vibration force, and then the turntable 3 continues to rotate, and the plate grid 8 that has been arranged is turned away from the stop frame 4, and then the plate grid 8 that has been arranged can be taken out and a new plate grid 8 can be put in, and the arrangement is continued in this cycle.

[0035] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions only describe the principles of the present invention. The present invention may be subject to various changes and improvements without departing from the spirit and scope of the present invention. These changes and improvements fall within the scope of the present invention. The scope of protection claimed by the present invention is defined by the attached claims and their equivalents.

Claims

1. A metal film capacitor array device, comprising a base (1), characterized in that: A turntable (3) is rotatably mounted on the upper end of the base (1), a plurality of turntable holes (22) are formed in an annular array on the upper end surface of the turntable (3), a turntable grid (8) is fitted inside the turntable holes (22), the upper and lower end surfaces of the turntable grid (8) are coplanar with the upper and lower end surfaces of the turntable (3), ears (15) are fitted on both sides of the lower end surface of the turntable grid (8), the ends of the ears (15) are fixed to the turntable (3), a turntable lock member is arranged between the turntable grid (8) and the turntable (3), a stop frame (4) is arranged above the base (1), the lower end of the stop frame (4) is coplanar with the upper end of the turntable (3), and the upper end of the stop frame (4) of the base (1) is provided with a stopper. A knocking vibration member is arranged at the bottom, and the knocking vibration member comprises an axle frame (37) fixedly mounted at the upper edge of the base (1), a T-shaped slide seat (39) fixedly mounted on the upper end of the axle frame (37), a tooth plate (32) slidably mounted on the outer surface of the T-shaped slide seat (39), a push plate gear (33) meshing in the middle of the tooth plate (32), a swing shaft (31) coaxially penetrated and inlaid inside the push plate gear (33), the swing shaft (31) is rotatably mounted on the base (1), a swing seat (34) is fixedly mounted at the end of the swing shaft (31), the swing seat (34) is located below the baffle frame (4), and balls (36) are elastically mounted at both ends of the swing seat (34).

2. A metal film capacitor array device according to claim 1, characterized in that: A second shaft body (38) and a first shaft body (28) are rotatably mounted on the front end of the shaft frame (37), respectively. The second shaft body (38) and the first shaft body (28) are symmetrically arranged. A third shaft body (41) is rotatably mounted through the rear end of the shaft frame (37). A large pulley (43) is coaxially embedded at one end of the third shaft body (41). A small pulley (45) is coaxially embedded on the outer surface of the first shaft body (28). A belt (44) is connected between the small pulley (45) and the large pulley (43).

3. A metal film capacitor array device according to claim 2, characterized in that: A spring body (35) is fixedly mounted on the lower end of the sphere (36), and the end of the spring body (35) is fixed to the swing seat (34). A small gear (40) is coaxially embedded on the other end of the third shaft body (41), and a large gear (27) is coaxially embedded on the outer surface of the second shaft body (38), and the large gear (27) is meshed with the small gear (40). A servo motor (25) is fixedly mounted in front of the shaft frame (37) at the upper end of the base (1), and the output end of the servo motor (25) is connected to a transmission box (24), and the transmission box (24) is fixed to the base (1). One end of the transmission box (24) and the end of the second shaft body (38) are coaxially embedded with a bevel gear (26), and the two bevel gears (26) are meshed.

4. A metal film capacitor array device according to claim 3, characterized in that: A rotating drum (2) is rotatably mounted on the middle of the upper end of the base (1), the middle of the rotating disk (3) is fixed to the upper end of the rotating drum (2), a gear ring (23) is coaxially fixedly mounted on the lower edge of the outer surface of the rotating drum (2), a driving gear (42) is coaxially embedded on the other end of the transmission box (24), the driving gear (42) is meshed with the gear ring (23), an axle ear (29) extends from the end of the first shaft body (28), a connecting rod (30) is rotatably mounted on the end of the axle ear (29), and the end of the connecting rod (30) is rotatably connected to the lower part of the gear plate (32).

5. The metal film capacitor array device according to claim 1, characterized in that: The locking plate member comprises two accommodating cavities (16) opened at the front and rear ends of the plate hole (22), the interiors of the two accommodating cavities (16) are fitted with locking strips (13), the two locking strips (13) respectively penetrate the front and rear ends of the plate grid (8), a push rod (12) is arranged inside the accommodating cavity (16), a push strip plate (14) is rotatably mounted on one end of the push rod (12), the end of the push strip plate (14) is rotatably connected to the middle part of the locking strip (13), the push rod (12) penetrates the outer surface of the turntable (3), and the push rod (12) is slidably matched with the turntable (3).

6. A metal film capacitor array device according to claim 5, characterized in that: The front and rear ends of the plate grid (8) are both provided with strip grooves (21), the locking strip (13) is fitted inside the strip groove (21), a No. 2 L-shaped frame (20) is fixedly mounted on the inner wall of the accommodating cavity (16), a limiting pin (17) is slidably mounted through the end of the No. 2 L-shaped frame (20), a No. 1 L-shaped frame (18) is fixedly mounted on the end of the limiting pin (17), the end of the No. 1 L-shaped frame (18) is fixed to the locking strip (13), a return spring (19) is wound around the outer side of the limiting pin (17), and the two ends of the return spring (19) are respectively fixed to the end of the No. 1 L-shaped frame (18) and the end of the No. 2 L-shaped frame (20).

7. A metal film capacitor array device according to claim 6, characterized in that: A top frame (10) is fixedly mounted on the end of the top rod (12), a top wheel (11) is mounted in the middle of the top frame (10), an arc-shaped top rail (6) is coaxially arranged on the outer side of the turntable (3), an inclined rail (7) extends from one end of the arc-shaped top rail (6), the top wheel (11) corresponds to the arc-shaped top rail (6), three fixing frames (5) are evenly distributed and fixedly mounted on the outer surface of the arc-shaped top rail (6), the ends of the fixing frames (5) are fixed to the base (1), a frame (9) is fixedly mounted on the side of the baffle frame (4), and the ends of the frame (9) are fixed to the fixing frame (5) in the middle.

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