A capping device based on a special-shaped bottle for nursery

Abstract

The present invention discloses a capping device based on a special-shaped bottle for placement. The device includes an annular guide rail, on which a plurality of positioning mechanisms that can rotate along the annular guide rail are arranged at intervals. Beside the annular guide rail, there are a feeding mechanism, a cap feeding mechanism, a bottom pre-capping mechanism, and a top capping mechanism arranged in sequence according to the production order. The cap outlet end of the cap feeding mechanism is connected to a cap picking structure. There is a guiding seat beside the cap picking structure. The feeding mechanism is used to convey the bottle holder with the special-shaped bottle to the positioning mechanism. The cap feeding mechanism is used to convey the bottle caps. The guiding seat is used to drive the positioning mechanism to position the bottle caps so that the bottle caps are aligned with the bottle mouths of the special-shaped bottles. The cap picking structure is used to suck the positioned bottle caps. The bottom pre-capping mechanism is used to push the bottle holder and the special-shaped bottle upward so that the bottle caps are sleeved on the bottle mouths of the special-shaped bottles. The top capping mechanism is used to press the bottle caps in place. The present invention can first move the special-shaped bottle upward so that the bottle caps are sleeved on the special-shaped bottles without moving the bottle caps downward, improving the capping accuracy.

Description

Technical Field

[0001] The present invention relates to the technical field of packaging equipment, and specifically relates to a capping device based on a special-shaped bottle placed in a tray. Background Art

[0002] The existing capping machine realizes the method of encapsulating the bottle cap at the bottle mouth of the packaging bottle by directly driving the bottle cap to move and position, and then pressing the bottle cap on the bottle mouth of the packaging bottle. Since the height of the bottle cap is relatively short, the space for the bottle cap to move up and down is small. When driving the bottle cap to move, the bottle cap is easily tilted, resulting in inaccurate positioning of the bottle cap, and further resulting in the bottle cap not being aligned with the bottle mouth of the packaging bottle, affecting the accuracy of capping. Summary of the Invention

[0003] The purpose of the present invention is to overcome the above-mentioned shortcomings of the existing technology, and provide a capping device based on a special-shaped bottle placed in a tray, which can first move the special-shaped bottle upward so that the bottle cap is sleeved on the special-shaped bottle, without the need to move the bottle cap downward, and improve the accuracy of capping.

[0004] The present invention is realized through the following technical solutions: A capping device based on a special-shaped bottle placed in a tray includes an annular guide rail, and a plurality of positioning mechanisms that can rotate along the annular guide rail are arranged at intervals on the annular guide rail. A feeding mechanism, a cap feeding mechanism, a bottom pre-capping mechanism, and a top capping mechanism are arranged beside the annular guide rail in sequence according to the production order. The cap output end of the cap feeding mechanism is connected to a cap picking structure, and a guiding seat is arranged beside the cap picking structure. The feeding mechanism is used to convey the bottle tray with the special-shaped bottle to the positioning mechanism, the cap feeding mechanism is used to convey the bottle cap, the guiding seat is used to drive the positioning mechanism to position the bottle cap so that the bottle cap is aligned with the bottle mouth of the special-shaped bottle, the cap picking structure is used to suck the positioned bottle cap, the bottom pre-capping mechanism is used to push the bottle tray and the special-shaped bottle upward so that the bottle cap is sleeved on the bottle mouth of the special-shaped bottle, and the top capping mechanism is used to press the bottle cap sleeved on the bottle mouth of the special-shaped bottle in place.

[0005] Further: The positioning mechanism includes a mounting plate, a bottle tray positioning seat, and a bottle positioning seat. The inner side of the mounting plate is connected to the annular guide rail. The bottle tray positioning seat and the bottle positioning seat are respectively arranged on the outer side of the mounting plate. A bottle tray positioning groove is opened on the bottle tray positioning seat, and a bottle positioning groove is opened on the bottle positioning seat. The bottle tray positioning groove and the bottle positioning groove are vertically corresponding to each other. The top end of the mounting plate is hinged with a rotating shaft, and a bottle cap positioning seat is connected to the rotating shaft. A bottle cap positioning groove is arranged on the bottle cap positioning seat, and the bottle cap positioning seat can rotate around the rotating shaft to a horizontal state or a vertical state.

[0006] Further: The feeding mechanism includes a feeding screw, a feeding star wheel, and a discharging star wheel. The feeding screw is connected to the feeding star wheel, the feeding star wheel is connected to the discharging star wheel, and the discharging star wheel is connected to the positioning mechanism.

[0007] Further: The cap feeding mechanism includes a cap conveyor belt, a cap feeding screw, and a cap feeding star wheel. The cap feeding screw and the cap feeding star wheel are respectively arranged on both sides of the cap conveyor belt. The cap feeding screw is used to convey the caps to the cap feeding star wheel at equal intervals. The cap taking structure is located above the edge of the cap feeding star wheel.

[0008] Further: The cap taking structure includes a cap taking plate. An air vent groove is arranged in the middle of the bottom wall of the cap taking plate. A vacuum pump is arranged on the top of the cap taking plate. The vacuum pump is communicated with the air vent groove. A sponge is arranged on the bottom wall of the cap taking plate around the air vent groove.

[0009] Further: An arc-shaped guide rail is arranged on the guide seat. When the positioning mechanism passes through the guide seat, the arc-shaped guide rail turns the cap positioning seat from a vertical state to a horizontal state.

[0010] Further: The bottom pre-capping mechanism and the top capping mechanism have the same structure, and respectively include a base, a motor, a rotating disk, a directional shaft, a directional gear, an idler gear, and a capping head. The motor is arranged on the base. The rotating disk is vertically distributed. The middle of the directional shaft is connected to the rotating disk. The output shaft of the motor is connected to the directional shaft. The directional gear is located inside the rotating disk and is fixedly sleeved on the directional shaft. A plurality of idler gears are arranged. The plurality of idler gears are circumferentially distributed around the directional gear, and each idler gear meshes with the directional gear respectively. Each idler gear is sleeved on a support shaft. The support shaft is connected to the rotating disk through a first bearing. Each idler gear is connected to the capping head through a transmission structure, and the capping head is located outside the rotating disk.

[0011] Further: The transmission structure includes a planetary gear and a rotating shaft. The planetary gear meshes with the idler gear. The rotating shaft is arranged in the rotating disk through a second bearing. The planetary gear is sleeved on the rotating shaft, and the connecting end of the rotating shaft extends outside the rotating disk and is connected to the capping head.

[0012] Further: The capping head includes a fixed seat and a capping head. The fixed seat has an L-shaped structure. One end of the fixed seat is connected to the rotating shaft, and the other end of the fixed seat is connected to the capping head.

[0013] Further: The base is sleeved on the lifting screw rod through a screw-nut pair. The lifting screw rod is rotatably arranged on the mounting seat, and a hand wheel is connected to the top end of the lifting screw rod.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] A plurality of positioning mechanisms that can rotate along the annular guide rail are arranged at intervals on the annular guide rail. An inlet mechanism, a cap feeding mechanism, a bottom pre-capping mechanism, and a top capping mechanism are arranged beside the annular guide rail in sequence according to the production order. A cap taking structure is connected to the cap outlet end of the cap feeding mechanism, and a guide seat is arranged beside the cap taking structure. The inlet mechanism conveys the bottle tray with the special-shaped bottle to the positioning mechanism on the annular guide rail. The positioning mechanism positions the bottle tray and the special-shaped bottle respectively. At the same time, the cap feeding mechanism conveys the bottle caps. When the annular guide rail conveys the bottle tray and the special-shaped bottle in the positioning mechanism to the guide seat, the guide seat drives the positioning mechanism to position the bottle caps. Then the cap taking structure sucks the positioned bottle caps. At this time, the bottle caps are located above the special-shaped bottles and are aligned with the bottle mouths of the special-shaped bottles. Then the bottom pre-capping mechanism pushes the bottle tray upwards, thereby driving the special-shaped bottle placed in the bottle tray to rise, so that the bottle caps are sleeved on the bottle mouths of the special-shaped bottles. Finally, the annular guide rail continues to convey the pre-capped special-shaped bottles to the top capping mechanism. The top capping mechanism presses the bottle caps downwards, so that the bottle caps are completely pressed on the bottle mouths of the special-shaped bottles. Thus, on the premise that the bottle caps are positioned without moving, the special-shaped bottles are first driven to rise, so that the bottle caps are sleeved on the special-shaped bottles, and then the bottle caps are completely pressed on the special-shaped bottles. Thereby, it is not necessary to drive the bottle caps to move downwards, avoiding inaccurate positioning of the bottle caps and preventing the bottle caps from being scratched and damaged. Since the height of the special-shaped bottles is higher than the height of the bottle caps, when the special-shaped bottles are driven to rise, the special-shaped bottles are not prone to tilt, thereby improving the alignment accuracy between the special-shaped bottles and the bottle caps and enhancing the accuracy of capping, with high working efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a schematic structural view of the present invention;

[0017] Figure 2 is a top view of the present invention;

[0018] Figure 3 is a structural view of the positioning mechanism of the present invention;

[0019] Figure 4 is a schematic structural view of the top capping mechanism of the present invention;

[0020] Figure 5 is a front view of the top capping mechanism of the present invention;

[0021] Figure 6 is a side view of the top capping mechanism of the present invention;

[0022] Figure 7Schematic diagram of the internal structure of the rotating disk of the present invention;

[0023] Figure 8 Side view of the rotating disk of the present invention.

[0024] Description of reference numerals: 1 - annular guide rail, 2 - positioning mechanism, 3 - cap feeding mechanism, 4 - bottom pre-capping mechanism, 5 - top capping mechanism, 6 - cap picking structure, 7 - guide seat, 8 - mounting plate, 9 - bottle holder positioning seat, 10 - bottle positioning seat, 11 - bottle holder positioning groove, 12 - bottle positioning groove, 13 - rotating shaft, 14 - cap positioning seat, 15 - cap positioning groove, 16 - feeding screw, 17 - feeding star wheel, 18 - discharging star wheel, 19 - cap conveyor belt, 20 - cap feeding screw, 21 - cap feeding star wheel, 22 - cap picking plate, 23 - vacuum pump, 24 - base, 25 - motor, 26 - rotating disk, 27 - orientation shaft, 28 - orientation gear, 29 - idler gear, 30 - capping head, 31 - support shaft, 32 - first bearing, 33 - planetary gear, 34 - rotating shaft, 35 - second bearing, 36 - fixing seat, 37 - pressing head, 38 - lifting screw rod, 39 - mounting seat, 40 - hand wheel, 41 - bottle holder, 42 - special-shaped bottle, 43 - cap. Detailed implementation manners

[0025] Figures 1 to 8 Schematic diagram of the structure of an embodiment of a capping device based on a special-shaped bottle placed in a holder according to the present invention, including an annular guide rail 1, on which a plurality of positioning mechanisms 2 that can rotate along the annular guide rail 1 are arranged at intervals. A feeding mechanism, a cap feeding mechanism 3, a bottom pre-capping mechanism 4, and a top capping mechanism 5 are arranged beside the annular guide rail 1 in sequence according to the production order. The cap outlet end of the cap feeding mechanism 3 is connected to a cap picking structure 6. A guide seat 7 is arranged beside the cap picking structure 6. The feeding mechanism is used to convey the bottle holder 41 with the special-shaped bottle 42 placed thereon to the positioning mechanism 2. The cap feeding mechanism 3 is used to convey the cap 43. The guide seat 7 is used to drive the positioning mechanism 2 to position the cap 43 so that the cap 43 is aligned with the mouth of the special-shaped bottle 42. The cap picking structure 6 is used to suck the positioned cap 43. The bottom pre-capping mechanism 4 is used to push the bottle holder 41 and the special-shaped bottle 42 upward so that the cap 43 is sleeved on the mouth of the special-shaped bottle 42. The top capping mechanism 5 is used to press the cap 43 sleeved on the mouth of the special-shaped bottle 42 in place.

[0026] During operation, the feeding mechanism transports the bottle holder 41 with the special-shaped bottle 42 to the positioning mechanism 2 of the annular guide rail 1. The positioning mechanism 2 positions the bottle holder 41 and the special-shaped bottle 42 respectively. At the same time, the cap feeding mechanism 3 transports the bottle cap 43. When the annular guide rail 1 transports the bottle holder 41 and the special-shaped bottle 42 in the positioning mechanism 2 to the guide seat 7, the guide seat 7 drives the positioning mechanism 2 to position the bottle cap 43. Then the cap picking structure 6 sucks the positioned bottle cap 43. At this time, the bottle cap 43 is located above the special-shaped bottle 42 and is aligned with the mouth of the special-shaped bottle 42. Next, the bottom pre-capping mechanism 4 pushes the bottle holder 41 upward, thereby driving the special-shaped bottle 42 placed in the bottle holder 41 to rise, so that the bottle cap 43 is sleeved on the mouth of the special-shaped bottle 42. Finally, the annular guide rail 1 continues to transport the pre-capped special-shaped bottle 42 to the top capping mechanism 5. The top capping mechanism 5 presses the bottle cap 43 downward, so that the bottle cap 43 is completely pressed on the mouth of the special-shaped bottle 42, thus realizing capping of the special-shaped bottle 42.

[0027] The positioning mechanism 2 includes a mounting plate 8, a bottle holder positioning seat 9, and a bottle positioning seat 10. The inner side of the mounting plate 8 is connected to the annular guide rail 1. The bottle holder positioning seat 9 and the bottle positioning seat 10 are respectively arranged on the outer side of the mounting plate 8. A bottle holder positioning groove 11 is formed on the bottle holder positioning seat 9, and a bottle positioning groove 12 is formed on the bottle positioning seat 10. The bottle holder positioning groove 11 and the bottle positioning groove 12 are vertically corresponding to each other. The top end of the mounting plate 8 is hinged with a rotating shaft 13, and a bottle cap positioning seat 14 is connected to the rotating shaft 13. A bottle cap positioning groove 15 is arranged on the bottle cap positioning seat 14. The bottle cap positioning seat 14 can rotate around the rotating shaft 13 to a horizontal state or a vertical state.

[0028] The feeding mechanism includes a feeding screw 16, a feeding star wheel 17, and a discharging star wheel 18. The feeding screw 16 is connected to the feeding star wheel 17, the feeding star wheel 17 is connected to the discharging star wheel 18, and the discharging star wheel 18 is connected to the positioning mechanism 2.

[0029] The cap feeding mechanism 3 includes a bottle cap conveyor belt 19, a cap feeding screw 20, and a cap feeding star wheel 21. The cap feeding screw 20 and the cap feeding star wheel 21 are respectively arranged on both sides of the bottle cap conveyor belt 19. The cap feeding screw 20 is used to transport the bottle caps 43 equidistantly to the cap feeding star wheel 21. The cap picking structure 6 is located above the edge of the cap feeding star wheel 21.

[0030] The cap picking structure 6 includes a cap picking plate 22. A ventilation groove is arranged in the middle of the bottom wall of the cap picking plate 22. A vacuum pump 23 is arranged on the top of the cap picking plate 22. The vacuum pump 23 is communicated with the ventilation groove. A sponge is arranged on the bottom wall of the cap picking plate 22 around the ventilation groove.

[0031] Through the sponge, the bottle cap 43 can be prevented from being scratched.

[0032] The ventilation groove is a long groove and is distributed along the length direction of the cap picking plate 22.

[0033] The guide seat 7 is provided with an arc-shaped guide rail. When the positioning mechanism 2 passes through the guide seat 7, the arc-shaped guide rail flips the bottle cap positioning seat 14 from the vertical state to the horizontal state.

[0034] When the bottle tray 41 with the special-shaped bottle 42 is conveyed to the positioning mechanism 2, the feeding screw 16 conveys the bottle tray 41 with the special-shaped bottle 42 to the feeding star wheel 17. The feeding star wheel 17 conveys the bottle tray 41 with the special-shaped bottle 42 to the discharging star wheel 18. The discharging star wheel 18 conveys the bottle tray 41 with the special-shaped bottle 42 to the positioning mechanism 2. And the bottle tray 41 enters the bottle tray positioning groove 11 of the positioning mechanism 2, and the special-shaped bottle 42 enters the bottle positioning groove 12 of the positioning mechanism 2. At this time, the bottle cap positioning seat 14 is in the vertical state (as Figure 3 shown), and then under the action of the annular guide rail 1, the bottle tray 41 and the special-shaped bottle 42 move forward with the positioning mechanism 2. When the positioning mechanism 2 moves to the guide seat 7, under the action of the arc-shaped guide rail, the bottle cap positioning seat 14 rotates around the rotating shaft 13 to the horizontal state. At the same time, the bottle cap 43 is conveyed by the bottle cap conveyor belt 19 to the feeding cover screw 20 for distance determination and then enters the feeding cover star wheel 21. At this time, the bottle cap 43 in the feeding cover star wheel 21 is located directly above the special-shaped bottle 42, and the bottle cap 43 is aligned with the bottle mouth of the special-shaped bottle 42. After the bottle cap positioning seat 14 rotates to the horizontal state, the bottle cap 43 is limited in the bottle cap positioning groove 15. The vacuum pump 23 pumps vacuum to generate negative pressure in the air vent groove to adsorb the bottle cap 43 on the bottom wall of the cover taking plate 22. While preventing the bottle cap 43 from falling, the bottle cap 43 is made to face the bottle mouth of the special-shaped bottle 42 directly. Then the bottom pre-capping mechanism 4 works to push the bottle tray 41 upward, driving the special-shaped bottle 42 to rise, so that the bottle cap 43 is sleeved on the bottle mouth of the special-shaped bottle 42. Thus, by the way of making the special-shaped bottle 42 rise, the bottle cap 43 is sleeved on the bottle mouth of the special-shaped bottle 42.

[0035] The bottom pre-capping mechanism 4 and the top capping mechanism 5 have the same structure, and respectively include a base 24, a motor 25, a rotating disk 26, a directional shaft 27, a directional gear 28, an idler gear 29, and a capping head 30. The motor 25 is arranged on the base 24. The rotating disk 26 is vertically distributed. The middle of the directional shaft 27 is connected to the rotating disk 26. The output shaft of the motor 25 is connected to the directional shaft 27. The directional gear 28 is located inside the rotating disk 26, and the directional gear 28 is fixedly sleeved on the directional shaft 27. A plurality of idler gears 29 are provided, and the plurality of idler gears 29 are circumferentially distributed around the directional gear 28, and each idler gear 29 meshes with the directional gear 28 respectively. Each idler gear 29 is sleeved on a support shaft 31, and the support shaft 31 is connected to the rotating disk 26 through a first bearing 32. Each idler gear 29 is connected to the capping head 30 through a transmission structure, and the capping head 30 is located outside the rotating disk 26.

[0036] In this embodiment, five idle gears 29 are provided, and the number of the directional gears 28 and the gland heads 30 is the same as that of the idle gears 29.

[0037] The transmission structure includes a planetary gear 33 and a rotating shaft 34. The planetary gear 33 meshes with the idle gear 29. The rotating shaft 34 is arranged in the rotating disc 26 through a second bearing 35. The planetary gear 33 is sleeved on the rotating shaft 34, and the connecting end of the rotating shaft 34 extends out of the outer side of the rotating disc 26 and is connected to the gland head 30.

[0038] The gland head 30 includes a fixed seat 36 and a pressing head 37. The fixed seat 36 is in an L-shaped structure. One end of the fixed seat 36 is connected to the rotating shaft 34, and the other end of the fixed seat 36 is connected to the pressing head 37.

[0039] When the bottom pre-capping mechanism 4 pushes the bottle holder 41 upwards and drives the special-shaped bottle 42 to rise, the motor 25 of the bottom pre-capping mechanism 4 drives the directional shaft 27 to rotate. The directional shaft 27 drives the rotating disc 26 to rotate. At the same time, the directional shaft 27 drives the directional gear 28 to drive the idle gear 29 to rotate. The idle gear 29 drives the rotating shaft 34 to rotate through the planetary gear 33. The rotating shaft 34 drives the fixed seat 36 and the pressing head 37 to rotate. All the pressing heads 37 rotate synchronously and in the same direction. When the pressing head 37 rotates to the highest position and faces upwards, the pressing head 37 contacts the bottom of the bottle holder 41 and pushes the bottle holder 41 upwards, thereby driving the special-shaped bottle 42 to rise, and then realizing the capping of the bottle cap 43 on the mouth of the special-shaped bottle 42. Each pressing head 37 rotates to the highest position in sequence and pushes the corresponding bottle holder 41 upwards in sequence.

[0040] When the top capping mechanism 5 presses the bottle cap 43 completely on the mouth of the special-shaped bottle 42, the motor 25 of the top capping mechanism 5 drives the directional shaft 27 to rotate. The directional shaft 27 drives the rotating disc 26 to rotate. At the same time, the directional shaft 27 drives the directional gear 28 to drive the idle gear 29 to rotate. The idle gear 29 drives the rotating shaft 34 to rotate through the planetary gear 33. The rotating shaft 34 drives the fixed seat 36 and the pressing head 37 to rotate. All the pressing heads 37 rotate synchronously and in the same direction. When the pressing head 37 rotates to the lowest position and faces downwards, the pressing head 37 presses the bottle cap 43 downwards, so that the bottle cap 43 is completely pressed on the mouth of the special-shaped bottle 42. Each pressing head 37 rotates to the lowest position in sequence and presses the corresponding bottle cap 43 downwards in sequence.

[0041] The base 24 is sleeved on the lifting screw rod 38 through a screw nut. The lifting screw rod 38 is rotatably arranged on the mounting seat 39, and the top end of the lifting screw rod 38 is connected with a hand wheel 40.

[0042] By rotating the handwheel 40, the lifting lead screw 38 is driven to rotate. The rotation of the lifting lead screw 38 drives the base 24 to move up and down along the lifting lead screw 38, thereby realizing the adjustment of the height of the top gland mechanism 5 or the bottom pre-gland mechanism 4 and improving its applicability.

[0043] The above detailed description is a specific description of the feasible embodiments of the present invention. These embodiments are not intended to limit the patent scope of the present invention. Any equivalent implementation or modification without departing from the present invention shall be included in the patent scope of this case.

Claims

1. A capping device based on a special-shaped bottle for nursery, characterized in that: It includes an annular guide rail, on which a plurality of positioning mechanisms that can rotate along the annular guide rail are arranged at intervals. A feeding mechanism, a cap feeding mechanism, a bottom pre-capping mechanism, and a top capping mechanism are arranged beside the annular guide rail in sequence according to the production order. The cap outlet end of the cap feeding mechanism is connected to a cap picking structure. A guide seat is arranged beside the cap picking structure. The feeding mechanism is used to convey the bottle tray with special-shaped bottles to the positioning mechanism. The cap feeding mechanism is used to convey bottle caps. The guide seat is used to drive the positioning mechanism to position the bottle caps so that the bottle caps are aligned with the bottle mouths of the special-shaped bottles. The cap picking structure is used to suck the positioned bottle caps. The bottom pre-capping mechanism is used to push the bottle tray and the special-shaped bottles upward so that the bottle caps are sleeved on the bottle mouths of the special-shaped bottles. The top capping mechanism is used to press the bottle caps sleeved on the bottle mouths of the special-shaped bottles in place.

2. The capping device based on a special-shaped bottle for consignment as claimed in claim 1, wherein: The positioning mechanism includes a mounting plate, a bottle tray positioning seat, and a bottle positioning seat. The inner side of the mounting plate is connected to the annular guide rail. The bottle tray positioning seat and the bottle positioning seat are respectively arranged on the outer side of the mounting plate. A bottle tray positioning groove is formed on the bottle tray positioning seat, and a bottle positioning groove is formed on the bottle positioning seat. The bottle tray positioning groove and the bottle positioning groove are vertically corresponding to each other. A rotating shaft is hinged to the top end of the mounting plate, and a cap positioning seat is connected to the rotating shaft. A cap positioning groove is arranged on the cap positioning seat, and the cap positioning seat can rotate around the rotating shaft to a horizontal state or a vertical state.

3. The capping device based on the special-shaped bottle for entrusting care according to claim 1, characterized in that: The feeding mechanism includes a feeding screw, a feeding star wheel, and a discharging star wheel. The feeding screw is connected to the feeding star wheel, the feeding star wheel is connected to the discharging star wheel, and the discharging star wheel is connected to the positioning mechanism.

4. The capping device based on a special-shaped bottle for placement as claimed in claim 1, wherein: The cap feeding mechanism includes a cap conveyor belt, a cap feeding screw, and a cap feeding star wheel. The cap feeding screw and the cap feeding star wheel are respectively arranged on both sides of the cap conveyor belt. The cap feeding screw is used to convey the bottle caps equidistantly to the cap feeding star wheel. The cap picking structure is located above the edge of the cap feeding star wheel.

5. The capping device based on a special-shaped bottle for consignment according to claim 2, characterized in that: The cap picking structure includes a cap picking plate. An air vent groove is arranged in the middle of the bottom wall of the cap picking plate. A vacuum pump is arranged on the top of the cap picking plate. The vacuum pump is communicated with the air vent groove. A sponge is arranged on the bottom wall of the cap picking plate around the air vent groove.

6. The capping device based on a special-shaped bottle for nursery care according to claim 5, wherein: An arc guide rail is arranged on the guide seat. When the positioning mechanism passes through the guide seat, the arc guide rail turns the cap positioning seat from a vertical state to a horizontal state.

7. The capping device based on a special-shaped bottle for entrusting care according to claim 6, wherein: The bottom pre-capping mechanism and the top capping mechanism have the same structure, and each includes a base, a motor, a rotating disk, a directional shaft, a directional gear, an idler gear, and a capping head. The motor is arranged on the base, the rotating disk is vertically distributed, the middle of the directional shaft is connected to the rotating disk, the output shaft of the motor is connected to the directional shaft, the directional gear is located inside the rotating disk, and the directional gear is fixedly sleeved on the directional shaft. A plurality of idler gears are provided, and the plurality of idler gears are circumferentially distributed around the directional gear, and each idler gear meshes with the directional gear respectively. Each idler gear is sleeved on a support shaft, and the support shaft is connected to the rotating disk through a first bearing. Each idler gear is connected to the capping head through a transmission structure, and the capping head is located outside the rotating disk.

8. The capping device based on a special-shaped bottle for nursery, according to claim 7, wherein: The transmission structure includes a planetary gear and a rotating shaft. The planetary gear meshes with the idler gear. The rotating shaft is arranged in the rotating disk through a second bearing. The planetary gear is sleeved on the rotating shaft, and the connecting end of the rotating shaft extends outside the rotating disk and is connected to the capping head.

9. The capping device based on a special-shaped bottle for consignment as claimed in claim 8, wherein: The capping head includes a fixed seat and a capping head. The fixed seat has an L-shaped structure. One end of the fixed seat is connected to the rotating shaft, and the other end of the fixed seat is connected to the capping head.

10. The capping device based on a special-shaped bottle for nursery, according to claim 8, is characterized in that: The base is sleeved on a lifting screw through a screw nut. The lifting screw is rotatably arranged on the mounting seat, and a hand wheel is connected to the top end of the lifting screw.

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