Efficient assembling device and method for bottle cap gasket

Abstract

The invention discloses an efficient assembling device and method for bottle cap gaskets, and belongs to the technical field of bottle cap production. According to the efficient assembling device for the bottle cap gaskets, a moving structure for driving the bottle caps to move is arranged on a box body, a gasket placing mechanism for placing the gaskets into the bottle caps is arranged on a base, and a pressing mechanism for pressing the gaskets is arranged behind the gasket placing mechanism. A sleeve is rotationally arranged on a fixing seat of the gasket placing mechanism, a center shaft is rotationally arranged in the sleeve, a differential mechanism for driving the sleeve and the center shaft to rotate in a differential mode is arranged on the fixing seat, a mounting plate is fixedly arranged on the sleeve, and a first placing structure and a second placing structure are oppositely arranged on the mounting plate. And a central gear for driving the first placing structure and the second placing structure to slide on the mounting plate is arranged on the central shaft. By the adoption of the efficient assembling device and method for the bottle cap gasket, the problem that the assembling efficiency of an existing bottle cap gasket is low can be solved.

Description

Technical Field

[0001] The invention relates to the technical field of bottle cap production, and in particular to a high-efficiency assembly device and an assembly method for bottle cap gaskets. Background Art

[0002] Bottle caps are the main products in the packaging industry. In order to improve the sealing and cleanliness of bottle caps, gaskets need to be placed inside the bottle caps. The operation of placing gaskets in bottle caps is generally done manually. On the one hand, manual assembly of bottle caps and gaskets is relatively inefficient and labor-intensive; on the other hand, it is easy to cause contamination of bottle caps and gaskets, affecting the cleanliness of bottle caps; and due to the influence of human factors, the assembly quality of bottle caps and gaskets is unstable, affecting the assembly effect.

[0003] The bottle cap gasket assembly device disclosed in the existing patent 201611109511.2 includes a frame with an operating table, a rotating workbench is provided on the operating table, and a bottle cap input mechanism, a bottle cap positioning mechanism, a bottle cap clamping and placing mechanism, a bottle cap dispensing mechanism, a gasket input mechanism, a gasket positioning mechanism, a gasket suction and placing mechanism, a pressing mechanism and a finished product collection mechanism are sequentially arranged around the rotating workbench, and the processes of bottle cap input, positioning, clamping and placing and gasket input, positioning, suction and placing, and finished product collection are all mechanized to realize automatic assembly of bottle caps and gaskets, thereby replacing manual operation and improving the assembly efficiency of bottle caps and gaskets. However, the gasket suction and placing mechanism in the above patent can only realize the assembly of one gasket each time it goes back and forth, and the gasket assembly efficiency is relatively low. Summary of the invention

[0004] The purpose of the present invention is to provide a highly efficient assembly device and method for bottle cap gaskets, so as to solve the problem of relatively low assembly efficiency of existing bottle cap gaskets.

[0005] To achieve the above-mentioned purpose, the present invention provides a high-efficiency assembly device for bottle cap gaskets, comprising a base, the base comprising a box body, a moving structure for driving the bottle cap to move is arranged on the box body, a gasket placing mechanism for placing the gasket into the bottle cap is arranged on the base, and a pressing mechanism for pressing the gasket is arranged behind the gasket placing mechanism; the gasket placing mechanism comprises a fixed seat, the fixed seat is arranged on the box body, a sleeve is rotatably arranged on the fixed seat, a central axis is rotatably arranged inside the sleeve, a differential mechanism for driving the sleeve and the central axis to rotate differentially is arranged on the fixed seat, a mounting plate is fixedly arranged on the sleeve, a first placing structure and a second placing structure are relatively arranged on the mounting plate, a central gear for driving the first placing structure and the second placing structure to slide on the mounting plate is arranged on the central axis, a fixed plate is arranged on the top of the fixed seat, a placing hole for placing the gasket is arranged on the fixed plate, and a limiting rod for limiting the position of the gasket is arranged on the fixed plate.

[0006] Preferably, the movable structure includes a conveying plate, a plurality of conveying grooves for holding bottle caps are evenly arranged on the side walls of the conveying plate, a first rotating shaft is arranged in the center of the conveying plate, the first rotating shaft is rotatably connected to the box body, a first motor that drives the first rotating shaft to rotate is arranged inside the box body, the first motor is connected to the first rotating shaft through a reducer, a coaxial support plate is arranged below the conveying plate, the support plate is fixed to the box body, a protective plate for protecting the bottle caps is arranged on the support plate, the protective plate is located between the feeding channel and the discharging channel, the feeding channel is connected to the feeding mechanism, the width of the feeding channel is not less than the outer diameter of the bottle caps, the gasket placing mechanism and the clamping mechanism are located between the feeding channel and the discharging channel, and a lever for pushing the bottle caps into the discharging channel is arranged on the box body.

[0007] Preferably, the differential mechanism includes a second rotating shaft, a second motor is arranged on the housing to drive the second rotating shaft to rotate, a first bevel gear is arranged on the second rotating shaft, the first bevel gear is meshed with the second bevel gear arranged on the central shaft, and a rotating structure is arranged on the second rotating shaft to drive the sleeve to rotate.

[0008] Preferably, the rotating structure includes a bevel gear plate arranged on the outer wall of the sleeve, a third bevel gear and a fourth bevel gear meshing with the bevel gear plate are arranged on the second rotating shaft, the third bevel gear and the fourth bevel gear are respectively located on both sides of the bevel gear plate, a first ratchet is fixedly arranged on the second rotating shaft, the third bevel gear is rotatably arranged outside the first ratchet, a first pawl matched with the first ratchet is arranged on the end face of the third bevel gear, a second ratchet is fixedly arranged on the second rotating shaft, the fourth bevel gear is rotatably arranged outside the second ratchet, a second pawl matched with the second ratchet is arranged on the end face of the fourth bevel gear, and the limiting direction of the first pawl on the first ratchet is opposite to the limiting direction of the second pawl on the second ratchet.

[0009] Preferably, the first placement structure includes a first slide, the mounting plate is provided with a guide rail that has a guiding effect on the sliding of the first slide, the first slide is provided with a first mounting rod, the first mounting rod is provided with a first suction cup that absorbs the gasket, the first suction cup is connected to the negative pressure device, and the first suction cup is located directly below the placement hole; a rack meshing with the center gear is provided on the side of the first slide close to the center gear, the first slide is fixedly provided with a first positioning plate, the mounting plate is fixedly provided with a first fixing block, the first positioning plate is fixedly provided with a first guide rod, the first fixing block is provided with a guide hole for the first guide rod to pass through, a first spring is provided between the first positioning block and the first fixing block, a first movable tooth is provided at one end of the first slide, a second guide rod is provided on the first positioning plate, the first movable tooth is provided with a through hole for the second guide rod to pass through, a second spring is provided between the first positioning plate and the first movable tooth, the first movable tooth is spliced ​​with the rack on the first slide under the action of the second spring, and a first positioning block that has a positioning effect on the first movable tooth is provided on the mounting plate.

[0010] Preferably, the second placement structure includes a second slide plate, the mounting plate is provided with a guide rail that has a guiding effect on the sliding of the second slide plate, the second slide plate is provided with a second mounting rod, the angle between the second mounting rod and the first mounting rod is 180°, the second mounting rod is provided with a second suction cup for absorbing the gasket, the second suction cup is connected to the negative pressure device, and the first suction cup is located directly below the placement hole; a rack meshing with the center gear is provided on the side of the second slide plate close to the center gear, a second positioning plate is fixedly provided on the second slide plate, a second fixing block is fixedly provided on the mounting plate, a third guide rod is fixedly provided on the second positioning plate, a guide hole for allowing the third guide rod to pass through is provided on the second fixing block, a third spring is provided between the second positioning block and the second fixing block, a second movable tooth is provided at one end of the second slide plate, a fourth guide rod is provided on the second positioning plate, a through hole for allowing the fourth guide rod to pass through is provided on the second movable tooth, a fourth spring is provided between the second positioning plate and the second movable tooth, the second movable tooth is spliced ​​with the rack on the second slide plate under the action of the fourth spring, and a second positioning block that has a positioning effect on the second movable tooth is provided on the mounting plate.

[0011] Preferably, the clamping mechanism includes a lifting rod, which is slidably connected to the box body, a connecting rod is provided at the top of the lifting rod, a pressure rod is provided on the connecting rod, the pressure rod is slidably connected to the connecting rod, a pressure head is provided at the bottom end of the pressure rod, a fifth spring is provided between the pressure head and the connecting rod, a limiting plate is provided at the top of the pressure rod, and a lifting structure is provided inside the box body to drive the lifting rod to rise and fall.

[0012] Preferably, the lifting structure includes a turntable, which is arranged on a third rotating shaft. The third rotating shaft is rotatably connected to a vertical plate fixedly arranged inside the box body. A connecting rod is eccentrically arranged on the turntable, and both ends of the connecting rod are respectively hinged to the turntable and the lifting rod. A driven wheel is arranged on the third rotating shaft, and the driven wheel is transmission-connected to a driving wheel arranged on the output shaft of the reducer through a transmission belt.

[0013] Preferably, the feeding mechanism includes a silo, a vertical conveyor belt is provided inside the silo, a number of hanging plates are evenly provided on the conveyor belt, the width of the hanging plates is smaller than the thickness of the bottle caps, a protective cover is provided on the upper part of the conveyor belt, an inclined connecting pipe is provided on one side of the protective cover, a nozzle for blowing the bottle caps into the connecting pipe is provided inside the protective cover opposite to the connecting pipe, the nozzle is connected to the fan, the width of the connecting pipe is larger than the height of the bottle caps and smaller than the outer diameter of the bottle caps, the discharge end of the connecting pipe is connected to the feeding channel, the feeding channel includes a vertical section and a horizontal section, and a cover shell for protecting the bottle caps is provided outside the vertical section of the feeding channel.

[0014] The assembly method of the efficient assembly device based on the bottle cap gasket comprises the following steps: S1. Pour the bottle caps into the silo. The conveyor belt drives the bottle caps to move upward through the hanging plate. The bottle caps with the opening facing outward can stay on the hanging plate, and the bottle caps with the opening facing inward fall into the silo under the action of gravity. The conveyor belt lifts the bottle caps into the protective cover. The nozzle blows air to blow the bottle caps on the hanging plate into the connecting pipe. The bottle caps enter the feeding channel along the connecting pipe. The bottle caps are arranged in the feeding channel in a uniform state with the opening facing upward; S2. The bottle caps in the feeding channel enter the conveying slot of the conveying disc under the thrust of the bottle caps behind. The bottle caps rotate with the rotation of the conveying disc, and the bottle caps move one conveying slot position each time; S3, the second motor drives the second shaft to rotate forward, the second shaft drives the first ratchet and the second ratchet to rotate, the first ratchet drives the third bevel gear to rotate under the action of the first ratchet, the third bevel gear drives the sleeve to rotate through the bevel gear plate, the sleeve drives the mounting plate to rotate, the second shaft drives the central shaft to rotate through the first bevel gear and the second bevel gear, the central shaft drives the central gear to rotate, and the central shaft and the sleeve rotate differentially; the mounting plate drives the first slide plate and the second slide plate to rotate synchronously through the guide rail, the central gear drives the first slide plate and the second slide plate to slide relatively along the guide rail on the mounting plate through the rack, and the first suction cup located above drives the gasket adsorbed thereon to rotate; S4, after the mounting plate rotates 90°, the second motor reverses, the second motor drives the center shaft to reverse through the first bevel gear and the second bevel gear, the center shaft drives the center gear to reverse, the center gear drives the first slide plate and the second slide plate to slide away from each other through the rack; the second ratchet is meshed with the second ratchet, the fourth bevel gear rotates synchronously with the second ratchet, and the fourth bevel gear drives the sleeve to continue to rotate through the bevel gear disk; the mounting plate drives the first mounting rod and the first suction cup to move downward, the second mounting rod and the second suction cup to move upward, the center gear is meshed with the first movable tooth and the second movable tooth, the center The gear is disengaged from the first slide plate and the second slide plate, and the first slide plate and the second slide plate move downward and upward respectively under the elastic force of the first spring and the third spring, and the first movable tooth and the second movable tooth stop moving due to the positioning block, and the second spring and the fourth spring are stretched, and the central gear keeps meshing with the first movable tooth and the second movable tooth; the first slide plate drives the first mounting rod and the first suction cup to be inserted into the bottle cap, the first suction cup exhausts air, and the gasket is placed in the bottle cap, the second slide plate drives the second mounting rod and the second suction cup to move upward, the second suction cup inhales air, and the second suction cup absorbs the gasket from the bottom of the fixed plate; S5, the second motor reverses, the mounting plate continues to rotate, the central shaft drives the central gear to reverse, the central gear drives the first slide plate to slide inward through the first movable tooth and the second guide rod, the first spring is stretched, the central gear re-engages with the rack on the first slide plate, and the first movable tooth is spliced ​​with the rack on the first slide plate under the action of the second spring; the central gear drives the second slide plate to slide inward through the second movable tooth, the central gear re-engages with the rack on the second slide plate, and the second movable tooth is spliced ​​with the rack on the second slide plate under the action of the fourth spring; S6, the conveyor plate drives the bottle cap to continue to rotate, the output shaft of the reducer drives the driving wheel to rotate, the driving wheel drives the driven wheel to rotate through the transmission belt, the driven wheel drives the turntable to rotate through the third shaft, the turntable drives the lifting rod to move up and down through the connecting rod, the lifting rod drives the pressure rod to rise and fall synchronously through the connecting rod, the pressure rod drives the pressure block to rise and fall synchronously, the pressure block presses the pressure head into the bottle cap to compact the gasket; S7, the bottle cap moves to the lever, the lever peels the bottle cap from the conveying trough and sends it into the discharge channel, and the assembled bottle cap is discharged through the discharge channel.

[0015] The advantages and positive effects of the efficient assembly device and assembly method of the bottle cap gasket of the present invention are: 1. The sleeve and the central axis are connected through a differential mechanism, so that the first placement structure and the second placement structure can be extended and retracted while rotating, which is convenient for absorbing the gasket and placing the gasket into the bottle cap.

[0016] 2. The gasket placing mechanism is provided with a first placing structure and a second placing structure. The first placing structure and the second placing structure alternately absorb and place the gasket, thereby improving the assembly efficiency of the bottle cap and the gasket.

[0017] 3. The pressing mechanism compacts the gasket through the pressing head, thereby improving the stability of the assembly between the gasket and the bottle cap and improving the assembly effect.

[0018] 4. The clamping mechanism is driven by the first motor and the reducer that drive the conveying plate to rotate, which simplifies the structure.

[0019] The technical solution of the present invention is further described in detail below through the accompanying drawings and embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a structural schematic diagram of an embodiment of the present invention; Figure 2 Schematic diagram of the three-dimensional structure of the gasket placement mechanism according to an embodiment of the present invention Figure 1 ; Figure 3 Schematic diagram of the three-dimensional structure of the gasket placement mechanism according to the embodiment of the present invention Figure 2 ; Figure 4It is a schematic diagram of the side structure of the gasket placing mechanism according to an embodiment of the present invention; Figure 5 It is a schematic diagram of the structure of the clamping mechanism according to an embodiment of the present invention; Figure 6 It is a schematic diagram of the structure of a feeding mechanism according to an embodiment of the present invention; Figure 7 It is a schematic diagram of the partial structure of the feeding mechanism of an embodiment of the present invention.

[0021] Reference numerals 1. Base; 11. Box; 12. Support plate; 13. Conveyor plate; 14. Protective plate; 15. Loading channel; 16. Discharging channel; 17. Push rod; 18. Conveyor trough; 19. First rotating shaft; 110. First motor; 111. Reducer; 2. Spacer mechanism; 21. Fixing seat; 22. Sleeve; 23. Mounting plate; 24. Center shaft; 25. Center gear; 26. Fixing plate; 27. Limit rod; 28. Second motor; 29. ​​Second rotating shaft; 210. First bevel gear; 211. Second bevel gear; 212. Bevel gear plate; 213. Third bevel gear; 214. Fourth bevel gear; 215. First ratchet; 216. First pawl; 217. Second ratchet; 218. First slide plate; 219. First mounting rod; 220. First A suction cup; 221, a first fixed block; 222, a first positioning plate; 223, a first spring; 224, a first guide rod; 225, a first movable tooth; 226, a second guide rod; 227, a second spring; 228, a second slide plate; 229, a second mounting rod; 230, a second suction cup; 231, a third guide rod; 232, a third spring; 233, a second positioning plate; 234, a second fixed block; 235, a second movable tooth; 236, a fourth spring; 237, a fourth guide rod; 238, a support seat; 3. Clamping mechanism; 31. Lifting rod; 32. Connecting rod; 33. Pressing rod; 34. Pressing head; 35. Fifth spring; 36. Connecting rod; 37. Turntable; 38. Driven wheel; 39. Third rotating shaft; 310. Vertical plate; 311. Transmission belt; 312. Driving wheel; 4. Feeding mechanism; 41. Material bin; 42. Conveyor belt; 43. Hanging plate; 44. Connecting pipe; 45. Protective cover; 46. Nozzle. DETAILED DESCRIPTION

[0022] The technical solution of the present invention is further described below through the accompanying drawings and embodiments.

[0023] Unless otherwise defined, the technical terms or scientific terms used in the present invention should be understood by people with ordinary skills in the field to which the present invention belongs. The words "first", "second" and similar words used in the present invention do not indicate any order, quantity or importance, but are only used to distinguish different components. "Include" or "comprise" and similar words mean that the elements or objects appearing before the word include the elements or objects listed after the word and their equivalents, without excluding other elements or objects. "Connect" or "connected" and similar words are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "Up", "down", "left", "right" and the like are only used to indicate relative positional relationships. When the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0024] Example like Figure 1 , Figure 5 As shown. An efficient assembly device for bottle cap gaskets comprises a base 1, wherein the base 1 comprises a box body 11, and the box body 11 is arranged on the ground. A movable structure for driving the bottle caps to move is arranged on the box body 11. The movable structure comprises a conveying disc 13, and a plurality of conveying grooves 18 for clamping the bottle caps are evenly arranged on the side wall of the conveying disc 13. A first rotating shaft 19 is fixedly arranged at the center of the conveying disc 13, and the first rotating shaft 19 is rotatably connected to the box body 11 through a bearing. A first motor 110 for driving the first rotating shaft 19 to rotate is arranged inside the box body 11, and the first motor 110 is connected to the first rotating shaft 19 through a reducer 111. The reducer 111 is a double output shaft, and one output shaft of the reducer 111 is fixedly connected to the first rotating shaft 19. A coaxial support plate 12 is arranged below the conveying disc 13, and the support plate 12 is fixed on the box body 11. The support plate 12 is used to support the bottle caps. A protective plate 14 for protecting the bottle caps is fixedly arranged on the support plate 12, and the protective plate 14 is located between the feeding channel 15 and the discharge channel 16. The feeding channel 15 is connected to the feeding mechanism 4, and the width of the feeding channel 15 is slightly larger than the outer diameter of the bottle caps, so that the bottle caps are arranged in a single row in the feeding channel 15. The gasket placing mechanism 2 and the pressing mechanism 3 are located between the feeding channel 15 and the discharge channel 16. A lever 17 for pushing the bottle caps into the discharge channel 16 is arranged on the box body 11, and the lever 17 is located above the conveying plate 13.

[0025] like Figure 6 , Figure 7As shown. The feeding mechanism 4 includes a silo 41, which is a conical structure with an opening at the top. A vertical conveyor belt 42 is arranged inside the silo 41, and the conveyor belt 42 is an existing chain conveyor belt 42, which is driven to rotate by a motor. A plurality of hanging plates 43 are evenly fixed on the conveyor belt 42, and the width of the hanging plates 43 is less than the thickness of the bottle caps. The hanging plates 43 are used to lift the bottle caps, and the bottle caps with openings facing outwards can stay on the hanging plates 43, and the bottle caps with openings facing inwards fall from the hanging plates 43 under the action of gravity, so as to achieve a uniform arrangement of the opening directions of the bottle caps. A protective cover 45 is fixedly arranged on the upper part of the conveyor belt 42, and the protective cover 45 prevents the bottle caps from falling from the hanging plates 43 under the action of the nozzle 46. A connecting pipe 44 arranged obliquely is arranged on one side of the protective cover 45, and the end opening of the connecting pipe 44 is connected to the conveyor belt 42. A nozzle 46 for blowing the bottle caps into the connecting tube 44 is arranged inside the protective cover 45 opposite to the connecting tube 44, and the nozzle 46 is connected to the fan. The nozzle 46 blows the bottle caps into the connecting tube 44 by blowing air, and the bottle caps slide downward along the connecting tube 44 under the action of gravity. The width of the connecting tube 44 is greater than the height of the bottle caps and smaller than the outer diameter of the bottle caps, so that the bottle caps are arranged in order in the connecting tube 44. The discharge end of the connecting tube 44 is connected to the feeding channel 15. The feeding channel 15 includes a vertical section and a horizontal section. The connecting tube 44 is connected to the vertical section, and a cover shell for protecting the bottle caps is arranged outside the vertical section of the feeding channel 15. Under the action of gravity, the bottle caps enter the horizontal section along the vertical section, and then enter the conveying tray 13.

[0026] like Figure 2 , Figure 3 , Figure 4 As shown. A gasket placing mechanism 2 for placing a gasket into the bottle cap is provided on the base 1. The gasket placing mechanism 2 includes a fixed seat 21, and the fixed seat 21 is fixedly arranged on the box body 11. A sleeve 22 is rotatably arranged on the fixed seat 21 through a bearing, and a central shaft 24 is rotatably arranged inside the sleeve 22. The central shaft 24 is coaxially arranged with the sleeve 22, and a support seat 238 having a supporting function with the central shaft 24 is arranged inside the sleeve 22, and the central shaft 24 is rotatably connected to the support seat 238 through a bearing. A differential mechanism for driving the sleeve 22 and the central shaft 24 to rotate differentially is provided on the fixed seat 21. The differential mechanism includes a second rotating shaft 29, and a second motor 28 for driving the second rotating shaft 29 to rotate is provided on the box body 11. A support seat for supporting the second rotating shaft 29 is provided on the upper part of the fixed seat 21, and the second rotating shaft 29 is rotatably connected to the support seat through a bearing. A first bevel gear 210 is fixedly disposed on the second rotating shaft 29, and the first bevel gear 210 is meshed with a second bevel gear 211 fixedly disposed on the central shaft 24. The second rotating shaft 29 drives the central shaft 24 to rotate through the first bevel gear 210 and the second bevel gear 211.

[0027] The second rotating shaft 29 is provided with a rotating structure for driving the sleeve 22 to rotate. The rotating structure includes a bevel gear 212 fixedly arranged on the outer wall of the sleeve 22, and a third bevel gear 213 and a fourth bevel gear 214 meshing with the bevel gear 212 are provided on the second rotating shaft 29, and the third bevel gear 213 and the fourth bevel gear 214 are respectively located on both sides of the bevel gear 212. A first ratchet 215 is fixedly arranged on the second rotating shaft 29, and the third bevel gear 213 is rotatably arranged outside the first ratchet 215 through a bearing. A first pawl 216 adapted to the first ratchet 215 is provided on the end surface of the third bevel gear 213. A second ratchet 217 is fixedly arranged on the second rotating shaft 29, and the fourth bevel gear 214 is rotatably arranged outside the second ratchet 217 through a bearing. A second pawl adapted to the second ratchet 217 is provided on the end surface of the fourth bevel gear 214. The limiting direction of the first ratchet 215 by the first pawl 216 is opposite to the limiting direction of the second ratchet 217 by the second pawl. In this way, when the second rotating shaft 29 rotates forward, the first ratchet 215 drives the third bevel gear 213 to rotate actively through the first pawl 216; when the second rotating shaft 29 rotates reversely, the second ratchet 217 drives the fourth bevel gear 214 to rotate actively through the second pawl; the sleeve 22 always maintains the same rotation direction.

[0028] A mounting plate 23 is fixedly provided on the sleeve 22, and the sleeve 22 drives the mounting plate 23 to rotate synchronously. A first placement structure and a second placement structure are relatively provided on the mounting plate 23, and a central gear 25 is fixedly provided on the central shaft 24 to drive the first placement structure and the second placement structure to slide on the mounting plate 23. The first placement structure and the second placement structure alternately absorb and place the gasket, thereby improving the assembly efficiency of the bottle cap and the gasket. A fixing plate 26 is fixedly provided on the top of the fixing seat 21, and a placement hole for placing the gasket is provided on the fixing plate 26, and a limiting rod 27 for limiting the position of the gasket is fixedly provided on the fixing plate 26.

[0029] The first placement structure includes a first slide plate 218, and a guide rail that guides the sliding of the first slide plate 218 is fixedly arranged on the mounting plate 23. A first mounting rod 219 is fixedly arranged on the first slide plate 218, and a first suction cup 220 for sucking the gasket is arranged on the first mounting rod 219, and the first suction cup 220 is connected to the negative pressure device. The negative pressure device is an existing structure, and the gasket is sucked and put down by suction and exhaust. The first suction cup 220 is located directly below the placement hole and directly above the conveying trough 18. A rack meshing with the central gear 25 is fixedly arranged on one side of the first slide plate 218 close to the central gear 25. A first positioning plate 222 is fixedly arranged on the first slide plate 218, and a first fixed block 221 is fixedly arranged on the mounting plate 23. A first guide rod 224 is fixedly arranged on the first positioning plate 222, and a guide hole for the first guide rod 224 to pass through is arranged on the first fixed block 221, and the first guide rod 224 is slidably connected to the first fixed block 221. A first spring 223 is provided between the first positioning block and the first fixed block 221. The first spring 223 is sleeved on the first guide rod 224. The two ends of the first spring 223 are fixedly connected to the first positioning block and the first fixed block 221, respectively. A first movable tooth 225 is provided at one end of the first slide plate 218. A second guide rod 226 is fixedly provided on the first positioning plate 222. A through hole is provided on the first movable tooth 225 for the second guide rod 226 to pass through. The second guide rod 226 is slidably connected to the first movable tooth 225. A second spring 227 is provided between the first positioning plate 222 and the first movable tooth 225. The second spring 227 is sleeved on the second guide rod 226. The two ends of the second spring 227 are fixedly connected to the first positioning plate 222 and the first movable tooth 225, respectively. A limiting plate is fixedly provided at the end of the second guide rod 226. The limiting plate has a blocking effect on the first movable tooth 225 to prevent the first movable tooth 225 from sliding off the second guide rod 226. The first movable tooth 225 is assembled with the rack on the first slide plate 218 under the action of the second spring 227, and meshes with the central gear 25. A first positioning block is provided on the mounting plate 23 to position the first movable tooth 225. The first positioning block prevents the first movable tooth 225 from sliding under the first spring 223 along with the first slide plate 218, so that the first movable tooth 225 remains meshed with the central gear 25, thereby facilitating the first slide plate 218 to slide inward.

[0030] The second placement structure is the same as the first placement structure. The second placement structure includes a second slide plate 228, and a guide rail that guides the sliding of the second slide plate 228 is fixedly arranged on the mounting plate 23. A second mounting rod 229 is fixedly arranged on the second slide plate 228, and the angle between the second mounting rod 229 and the first mounting rod 219 is 180°. A second suction cup 230 for sucking the gasket is fixedly arranged on the second mounting rod 229, and the second suction cup 230 is connected to the negative pressure device. The first suction cup 220 is located directly below the placement hole and directly above the conveying trough 18. A rack meshing with the center gear 25 is fixedly arranged on the side of the second slide plate 228 close to the center gear 25. A second positioning plate 233 is fixedly arranged on the second slide plate 228, a second fixed block 234 is fixedly arranged on the mounting plate 23, a third guide rod 231 is fixedly arranged on the second positioning plate 233, and a guide hole for the third guide rod 231 to pass through is arranged on the second fixed block 234. A third spring 232 is provided between the second positioning block and the second fixed block 234. A second movable tooth 235 is provided at one end of the second slide plate 228, a fourth guide rod 237 is fixedly provided on the second positioning plate 233, and a through hole is provided on the second movable tooth 235 for the fourth guide rod 237 to pass through. A fourth spring 236 is provided between the second positioning plate 233 and the second movable tooth 235, and the second movable tooth 235 is spliced ​​with the rack on the second slide plate 228 under the action of the fourth spring 236. A second positioning block having a positioning function for the second movable tooth 235 is fixedly provided on the mounting plate 23.

[0031] A clamping mechanism 3 for clamping the gasket is arranged at the rear of the gasket placing mechanism 2. The clamping mechanism 3 includes a lifting rod 31, and the lifting rod 31 is slidably connected to the box body 11. A connecting rod 32 is fixedly arranged at the top of the lifting rod 31. A pressing rod 33 is arranged on the connecting rod 32, and the pressing rod 33 is slidably connected to the connecting rod 32. A pressing head 34 is fixedly arranged at the bottom end of the pressing rod 33, and a fifth spring 35 is arranged between the pressing head 34 and the connecting rod 32. The fifth spring 35 is sleeved on the outside of the pressing rod 33, and the two ends of the fifth spring 35 are fixedly connected to the pressing head 34 and the connecting rod 32 respectively. A limiting plate is fixedly arranged at the top of the pressing rod 33.

[0032] The box 11 is provided with a lifting structure for driving the lifting rod 31 to lift. The lifting structure includes a turntable 37, which is fixedly arranged on a third rotating shaft 39. The third rotating shaft 39 is rotatably connected to a vertical plate 310 fixedly arranged inside the box 11 through a bearing. A connecting rod 36 is eccentrically arranged on the turntable 37, and the two ends of the connecting rod 36 are respectively hinged to the turntable 37 and the lifting rod 31. A driven wheel 38 is fixedly arranged on the third rotating shaft 39, and the driven wheel 38 is transmission-connected to a driving wheel 312 fixedly arranged on another output shaft of the reducer 111 through a transmission belt 311.

[0033] The first motor 110 , the second motor 28 and other electrical components are connected to the controller using existing technologies as needed.

[0034] The assembly method of the efficient assembly device based on the bottle cap gasket comprises the following steps: S1. Pour the bottle caps into the silo 41. The conveyor belt 42 drives the bottle caps to move upward through the hanging plate 43. The bottle caps with openings facing outward can stay on the hanging plate 43, and the bottle caps with openings facing inward fall into the silo 41 under the action of gravity. The conveyor belt 42 lifts the bottle caps into the protective cover 45. The nozzle 46 blows air to blow the bottle caps on the hanging plate 43 into the connecting pipe 44. The bottle caps enter the feeding channel 15 along the connecting pipe 44, and the bottle caps are arranged in the feeding channel 15 in a uniform state with their openings facing upward.

[0035] S2. The bottle caps in the feeding channel 15 enter the conveying groove 18 of the conveying plate 13 under the thrust of the bottle caps behind. The bottle caps rotate with the rotation of the conveying plate 13, and the bottle caps move one position of the conveying groove 18 each time.

[0036] S3, the second motor 28 drives the second rotating shaft 29 to rotate forward, the second rotating shaft 29 drives the first ratchet 215 and the second ratchet 217 to rotate, the first ratchet 215 drives the third bevel gear 213 to rotate under the action of the first ratchet, the third bevel gear 213 drives the sleeve 22 to rotate through the bevel gear plate 212, and the sleeve 22 drives the mounting plate 23 to rotate. The second rotating shaft 29 drives the central shaft 24 to rotate through the first bevel gear 210 and the second bevel gear 211, the central shaft 24 drives the central gear 25 to rotate, and the central shaft 24 and the sleeve 22 rotate differentially. The mounting plate 23 drives the first slide 218 and the second slide 228 to rotate synchronously through the guide rail, the central gear 25 drives the first slide 218 and the second slide 228 to slide relatively along the guide rail on the mounting plate 23 through the rack, and the first suction cup 220 located above drives the gasket adsorbed thereon to rotate.

[0037] S4, after the mounting plate 23 rotates 90°, the second motor 28 reverses, and the second motor 28 drives the central shaft 24 to reverse through the first bevel gear 210 and the second bevel gear 211, and the central shaft 24 drives the central gear 25 to reverse, and the central gear 25 drives the first slide plate 218 and the second slide plate 228 to slide away from each other through the rack. The second ratchet 217 meshes with the second ratchet, and the fourth bevel gear 214 rotates synchronously with the second ratchet 217, and the fourth bevel gear 214 drives the sleeve 22 to continue to rotate in the same direction through the bevel gear plate 212. The mounting plate 23 drives the first mounting rod 219 and the first suction cup 220 to move downward, the second mounting rod 229 and the second suction cup 230 move upward, the central gear 25 engages with the first movable tooth 225 and the second movable tooth 235, the central gear 25 disengages from the first slide plate 218 and the second slide plate 228, the first slide plate 218 and the second slide plate 228 move downward and upward respectively under the action of the first spring 223 and the third spring 232, the first movable tooth 225 and the second movable tooth 235 stop moving due to the positioning block, the second spring 227 and the fourth spring 236 are stretched, and the central gear 25 keeps engaging with the first movable tooth 225 and the second movable tooth 235. The first slide 218 drives the first mounting rod 219 and the first suction cup 220 to be inserted into the bottle cap, the first suction cup 220 exhausts air, and the gasket is placed into the bottle cap; the second slide 228 drives the second mounting rod 229 and the second suction cup 230 to move upward, the second suction cup 230 inhales air, and the second suction cup 230 absorbs the gasket from the bottom of the fixed plate 26.

[0038] S5, the second motor 28 reverses, the mounting plate 23 continues to rotate, the central shaft 24 drives the central gear 25 to reverse, and the central gear 25 drives the first slide plate 218 to slide inward through the first movable tooth 225 and the second guide rod 226. At this time, the first movable tooth 225 contacts the limit plate on the second guide rod 226, the first spring 223 is stretched, and the central gear 25 re-engages with the rack on the first slide plate 218. The first movable tooth 225 is spliced ​​with the rack on the first slide plate 218 under the action of the second spring 227. The central gear 25 drives the second slide plate 228 to slide inward through the second movable tooth 235, and the central gear 25 re-engages with the rack on the second slide plate 228. The second movable tooth 235 is spliced ​​with the rack on the second slide plate 228 under the action of the fourth spring 236.

[0039] Repeat S3-S5 to suck the gasket of the first suction cup 220 and assemble the gasket of the second suction cup 230.

[0040] S6, the conveyor plate 13 drives the bottle cap to continue to rotate, the other output shaft of the reducer 111 drives the driving wheel 312 to rotate, the driving wheel 312 drives the driven wheel 38 to rotate through the transmission belt 311, the driven wheel 38 drives the turntable 37 to rotate through the third rotating shaft 39, the turntable 37 drives the lifting rod 31 to move up and down through the connecting rod 36, the lifting rod 31 drives the pressure rod 33 to rise and fall synchronously through the connecting rod 32, the pressure rod 33 drives the pressing block to rise and fall synchronously, the pressing block presses the pressure head 34 into the bottle cap to compact the gasket. The conveyor plate 13 rotates one conveying slot 18 position, and the lifting rod 31 completes a lifting action.

[0041] S7, the bottle cap moves to the lever 17, the lever 17 peels the bottle cap from the conveying groove 18 and sends it into the discharge channel 16, and the assembled bottle cap is discharged through the discharge channel 16.

[0042] Therefore, the high-efficiency assembly device and method of the bottle cap gasket of the present invention can solve the problem of low assembly efficiency of the existing bottle cap gaskets.

[0043] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that they can still modify or replace the technical solution of the present invention with equivalents, and these modifications or equivalent replacements cannot cause the modified technical solution to deviate from the spirit and scope of the technical solution of the present invention.

Claims

1. An efficient assembly device for bottle cap gaskets, characterized in that: The invention comprises a base, which comprises a box body, a moving structure for driving the bottle cap to move is arranged on the box body, a gasket placing mechanism for placing the gasket into the bottle cap is arranged on the base, and a pressing mechanism for pressing the gasket is arranged behind the gasket placing mechanism; the gasket placing mechanism comprises a fixed seat, which is arranged on the box body, a sleeve is rotatably arranged on the fixed seat, a central axis is rotatably arranged inside the sleeve, a differential mechanism for driving the sleeve and the central axis to rotate differentially is arranged on the fixed seat, a mounting plate is fixedly arranged on the sleeve, a first placing structure and a second placing structure are relatively arranged on the mounting plate, a central gear for driving the first placing structure and the second placing structure to slide on the mounting plate is arranged on the central axis, a fixed plate is arranged on the top of the fixed seat, a placing hole for placing the gasket is arranged on the fixed plate, and a limiting rod for limiting the position of the gasket is arranged on the fixed plate.

2. The efficient assembly device for bottle cap gaskets according to claim 1, characterized in that: The movable structure includes a conveying plate, and a plurality of conveying grooves for clamping bottle caps are evenly arranged on the side walls of the conveying plate, a first rotating shaft is arranged in the center of the conveying plate, the first rotating shaft is rotatably connected to the box body, a first motor that drives the first rotating shaft to rotate is arranged inside the box body, the first motor is connected to the first rotating shaft through a reducer, a coaxial support plate is arranged below the conveying plate, the support plate is fixed on the box body, a protective plate for protecting the bottle caps is arranged on the support plate, the protective plate is located between the feeding channel and the discharging channel, the feeding channel is connected to the feeding mechanism, the width of the feeding channel is not less than the outer diameter of the bottle cap, the gasket placing mechanism and the pressing mechanism are located between the feeding channel and the discharging channel, and a lever for pushing the bottle cap into the discharging channel is arranged on the box body.

3. The efficient assembly device for bottle cap gaskets according to claim 2, characterized in that: The differential mechanism includes a second rotating shaft, a second motor driving the second rotating shaft to rotate is arranged on the housing, a first bevel gear is arranged on the second rotating shaft, the first bevel gear is meshed with the second bevel gear arranged on the central shaft, and a rotating structure driving the sleeve to rotate is arranged on the second rotating shaft.

4. The efficient assembly device for bottle cap gaskets according to claim 3 is characterized in that: The rotating structure includes a bevel gear plate arranged on the outer wall of the sleeve, a third bevel gear and a fourth bevel gear meshing with the bevel gear plate are arranged on the second rotating shaft, the third bevel gear and the fourth bevel gear are respectively located on both sides of the bevel gear plate, a first ratchet is fixedly arranged on the second rotating shaft, the third bevel gear is rotatably arranged outside the first ratchet, a first pawl matched with the first ratchet is arranged on the end surface of the third bevel gear, a second ratchet is fixedly arranged on the second rotating shaft, the fourth bevel gear is rotatably arranged outside the second ratchet, a second pawl matched with the second ratchet is arranged on the end surface of the fourth bevel gear, and the limiting direction of the first pawl on the first ratchet is opposite to the limiting direction of the second pawl on the second ratchet.

5. The efficient assembly device for bottle cap gaskets according to claim 4, characterized in that: The first placement structure includes a first slide, the mounting plate is provided with a guide rail that has a guiding effect on the sliding of the first slide, the first slide is provided with a first mounting rod, the first mounting rod is provided with a first suction cup that absorbs a gasket, the first suction cup is connected to the negative pressure device, and the first suction cup is located directly below the placement hole; a rack meshing with the center gear is provided on the side of the first slide close to the center gear, the first slide is fixedly provided with a first positioning plate, the mounting plate is fixedly provided with a first fixing block, the first positioning plate is fixedly provided with a first guide rod, the first fixing block is provided with a guide hole for the first guide rod to pass through, a first spring is provided between the first positioning block and the first fixing block, a first movable tooth is provided at one end of the first slide, a second guide rod is provided on the first positioning plate, a through hole for the second guide rod to pass through is provided on the first movable tooth, a second spring is provided between the first positioning plate and the first movable tooth, the first movable tooth is spliced ​​with the rack on the first slide under the action of the second spring, and a first positioning block that has a positioning effect on the first movable tooth is provided on the mounting plate.

6. The efficient assembly device for bottle cap gaskets according to claim 5, characterized in that: The second placement structure includes a second slide plate, a mounting plate provided with a guide rail having a guiding effect on the sliding of the second slide plate, a second mounting rod provided on the second slide plate, an angle between the second mounting rod and the first mounting rod being 180°, a second suction cup for absorbing the gasket provided on the second mounting rod, the second suction cup being connected to the negative pressure device, and the first suction cup being located directly below the placement hole; a rack meshing with the central gear is provided on the side of the second slide plate close to the central gear, a second positioning plate is fixedly provided on the second slide plate, a second fixing block is fixedly provided on the mounting plate, a third guide rod is fixedly provided on the second positioning plate, a guide hole for allowing the third guide rod to pass through is provided on the second fixing block, a third spring is provided between the second positioning block and the second fixing block, a second movable tooth is provided at one end of the second slide plate, a fourth guide rod is provided on the second positioning plate, a through hole for allowing the fourth guide rod to pass through is provided on the second movable tooth, a fourth spring is provided between the second positioning plate and the second movable tooth, the second movable tooth is spliced ​​with the rack on the second slide plate under the action of the fourth spring, and a second positioning block having a positioning effect on the second movable tooth is provided on the mounting plate.

7. The efficient assembly device for bottle cap gaskets according to claim 6, characterized in that: The clamping mechanism includes a lifting rod, which is slidably connected to the box body, a connecting rod is arranged at the top of the lifting rod, a pressure rod is arranged on the connecting rod, the pressure rod is slidably connected to the connecting rod, a pressure head is arranged at the bottom end of the pressure rod, a fifth spring is arranged between the pressure head and the connecting rod, a limiting plate is arranged at the top of the pressure rod, and a lifting structure is arranged inside the box body to drive the lifting rod to rise and fall.

8. The efficient assembly device for bottle cap gaskets according to claim 7, characterized in that: The lifting structure includes a turntable, which is arranged on a third rotating shaft. The third rotating shaft is rotatably connected to a vertical plate fixedly arranged inside the box body. A connecting rod is eccentrically arranged on the turntable, and both ends of the connecting rod are respectively hinged to the turntable and the lifting rod. A driven wheel is arranged on the third rotating shaft, and the driven wheel is connected to the driving wheel arranged on the output shaft of the reducer through a transmission belt.

9. The efficient assembly device for bottle cap gaskets according to claim 8, characterized in that: The feeding mechanism includes a silo, a vertical conveyor belt is arranged inside the silo, a plurality of hanging plates are evenly arranged on the conveyor belt, the width of the hanging plates is smaller than the thickness of the bottle caps, a protective cover is arranged on the upper part of the conveyor belt, an inclined connecting pipe is arranged on one side of the protective cover, a nozzle for blowing the bottle caps into the connecting pipe is arranged inside the protective cover opposite to the connecting pipe, the nozzle is connected to the fan, the width of the connecting pipe is larger than the height of the bottle caps and smaller than the outer diameter of the bottle caps, the discharge end of the connecting pipe is connected to a feeding channel, the feeding channel includes a vertical section and a horizontal section, and a cover shell for protecting the bottle caps is arranged outside the vertical section of the feeding channel.

10. An assembly method for a bottle cap gasket high-efficiency assembly device according to claim 9, characterized in that: The following steps are involved: S1. Pour the bottle caps into the silo. The conveyor belt drives the bottle caps to move upward through the hanging plate. The bottle caps with the opening facing outward can stay on the hanging plate, and the bottle caps with the opening facing inward fall into the silo under the action of gravity. The conveyor belt lifts the bottle caps into the protective cover. The nozzle blows air to blow the bottle caps on the hanging plate into the connecting pipe. The bottle caps enter the feeding channel along the connecting pipe. The bottle caps are arranged in the feeding channel in a uniform state with the opening facing upward; S2. The bottle caps in the feeding channel enter the conveying slot of the conveying disc under the thrust of the bottle caps behind. The bottle caps rotate with the rotation of the conveying disc, and the bottle caps move one conveying slot position each time; S3, the second motor drives the second shaft to rotate forward, the second shaft drives the first ratchet and the second ratchet to rotate, the first ratchet drives the third bevel gear to rotate under the action of the first ratchet, the third bevel gear drives the sleeve to rotate through the bevel gear plate, the sleeve drives the mounting plate to rotate, the second shaft drives the central shaft to rotate through the first bevel gear and the second bevel gear, the central shaft drives the central gear to rotate, and the central shaft and the sleeve rotate differentially; the mounting plate drives the first slide plate and the second slide plate to rotate synchronously through the guide rail, the central gear drives the first slide plate and the second slide plate to slide relatively along the guide rail on the mounting plate through the rack, and the first suction cup located above drives the gasket adsorbed thereon to rotate; S4, after the mounting plate rotates 90°, the second motor reverses, the second motor drives the center shaft to reverse through the first bevel gear and the second bevel gear, the center shaft drives the center gear to reverse, the center gear drives the first slide plate and the second slide plate to slide away from each other through the rack; the second ratchet is meshed with the second ratchet, the fourth bevel gear rotates synchronously with the second ratchet, and the fourth bevel gear drives the sleeve to continue to rotate through the bevel gear disk; the mounting plate drives the first mounting rod and the first suction cup to move downward, the second mounting rod and the second suction cup to move upward, the center gear is meshed with the first movable tooth and the second movable tooth, the center The gear is disengaged from the first slide plate and the second slide plate, and the first slide plate and the second slide plate move downward and upward respectively under the elastic force of the first spring and the third spring, and the first movable tooth and the second movable tooth stop moving due to the positioning block, and the second spring and the fourth spring are stretched, and the central gear keeps meshing with the first movable tooth and the second movable tooth; the first slide plate drives the first mounting rod and the first suction cup to be inserted into the bottle cap, the first suction cup exhausts air, and the gasket is placed in the bottle cap, the second slide plate drives the second mounting rod and the second suction cup to move upward, the second suction cup inhales air, and the second suction cup absorbs the gasket from the bottom of the fixed plate; S5, the second motor reverses, the mounting plate continues to rotate, the central shaft drives the central gear to reverse, the central gear drives the first slide plate to slide inward through the first movable tooth and the second guide rod, the first spring is stretched, the central gear re-engages with the rack on the first slide plate, and the first movable tooth is spliced ​​with the rack on the first slide plate under the action of the second spring; the central gear drives the second slide plate to slide inward through the second movable tooth, the central gear re-engages with the rack on the second slide plate, and the second movable tooth is spliced ​​with the rack on the second slide plate under the action of the fourth spring; S6, the conveyor plate drives the bottle cap to continue to rotate, the output shaft of the reducer drives the driving wheel to rotate, the driving wheel drives the driven wheel to rotate through the transmission belt, the driven wheel drives the turntable to rotate through the third shaft, the turntable drives the lifting rod to move up and down through the connecting rod, the lifting rod drives the pressure rod to rise and fall synchronously through the connecting rod, the pressure rod drives the pressure block to rise and fall synchronously, the pressure block presses the pressure head into the bottle cap to compact the gasket; S7, the bottle cap moves to the lever, the lever peels the bottle cap from the conveying trough and sends it into the discharge channel, and the assembled bottle cap is discharged through the discharge channel.

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