A capping device and a filling production line

Abstract

The present invention discloses a cap supply device and a filling production line, belonging to the technical field of filling equipment. The cap supply device includes a frame, a cap storage assembly, a cap picking assembly, a lifting assembly and an output assembly. The cap storage assembly includes a carrier plate, an outer guide sleeve, an inner guide sleeve, a large cap storage frame and a small cap storage frame. A plurality of through openings are provided on the carrier plate at intervals along the output direction of the output assembly. The outer guide sleeve is fixed at the through opening of the carrier plate. The inner guide sleeve is detachably inserted into the outer guide sleeve. The large cap storage frame cooperates with the outer guide sleeve, and the small cap storage frame cooperates with the inner guide sleeve. A positioning structure is provided between the inner guide sleeve and the carrier plate. The cap storage assembly can be used for temporarily storing caps of different sizes, enabling the cap supply device to be applied to the orderly output of caps of different sizes, improving the compatibility of the device and reasonably reducing the equipment cost. A positioning structure is arranged between the inner guide sleeve and the carrier plate, and the inner guide sleeve is kept stable in position during cap feeding through the positioning structure, enabling the cap picking assembly to smoothly pick caps from the cap storage assembly.

Description

Technical Field

[0001] The present invention relates to the technical field of filling equipment, and in particular to a cap supply device. In addition, the present invention also relates to a filling production line using such a cap supply device. Background Art

[0002] In the field of filling technology, the path for conveying caps is generally independent of the filling path. The path for conveying caps will intersect with the filling path at the station for installing caps, so that the caps can be installed on the bottle body. Therefore, an existing filling production line that requires capping generally has a set of independent cap supply devices. In the production of products such as beverages and dairy products, the bottle body shapes of the filling containers are diverse, and the caps corresponding to the bottle bodies also vary in terms of size, shape, material, etc. The same product will also adaptively change its packaging according to specific requirements, especially the caps. For example, transparent caps or white caps are used for daily sales, and red caps or green caps with an increased width are used during festivals to set off the festival atmosphere. Since the devices for conveying caps in the prior art generally can only convey caps of one size and have poor compatibility, multiple sets of cap supply devices need to be equipped for caps of different sizes to meet the production requirements, resulting in a high equipment cost. Summary of the Invention

[0003] In order to solve the above-mentioned drawbacks and deficiencies in the prior art, the present invention provides a cap supply device, which can be adapted to caps of different sizes through structural improvement, thereby improving the compatibility of the device.

[0004] In order to achieve the above technical purpose, a cap supply device provided by the present invention includes a frame, a cap storage assembly arranged on the frame, a cap picking assembly arranged below the cap storage assembly, a lifting assembly for driving the cap picking assembly to lift, and an output assembly arranged below the cap picking assembly. The cap storage assembly includes a carrier plate, an outer guide sleeve, an inner guide sleeve, a large cap storage frame, and a small cap storage frame. A plurality of through holes are arranged on the carrier plate at intervals along the output direction of the output assembly. The outer guide sleeve is fixed at the through hole of the carrier plate. The inner guide sleeve is detachably inserted into the outer guide sleeve. The large cap storage frame cooperates with the outer guide sleeve, and the small cap storage frame cooperates with the inner guide sleeve. A positioning structure is arranged between the inner guide sleeve and the carrier plate.

[0005] Preferably, the positioning structure includes a positioning protrusion arranged on the inner wall of the through hole and a positioning groove arranged on the top side of the inner guide sleeve. When the inner guide sleeve is inserted into the outer guide sleeve, the positioning protrusion is stuck in the positioning groove.

[0006] Preferably, the outer guide sleeve is arranged at the bottom of the carrier plate and its top side is inserted into the through hole. A step portion is arranged on the inner wall of the through hole above the outer guide sleeve. The positioning protrusion is arranged on the inner wall of the through hole above the step portion. The top side of the inner guide sleeve is provided with an outward turning edge that cooperates with the step portion, and the positioning groove is arranged on the outward turning edge.

[0007] Preferably, the bottom of the large storage cover frame is provided with protruding columns protruding downward, and the loading plate is provided with concave holes matching the protruding columns. When the large storage cover frame is matched with the outer guide sleeve for covering, the protruding columns are inserted into the concave holes.

[0008] Preferably, the cover supply device includes a cover dialing assembly. The cover dialing assembly includes two baffles horizontally arranged at the bottom of the loading plate and two linear cylinders for driving the two baffles to open and close. The opening and closing direction of the two baffles is perpendicular to the output direction of the output assembly. A tongue is provided on one side of the baffle facing the center of the through opening. Slots for inserting the tongue are provided on both the outer guide sleeve and the inner guide sleeve. The two baffles are respectively connected to the piston rods of the corresponding linear cylinders. The two linear cylinders drive the two baffles to approach each other to insert the tongue into the slots or drive the two baffles to move away from each other to separate the tongue from the slots.

[0009] Preferably, the cover taking assembly includes a horizontally arranged shaft axially, suction cups distributed on the shaft corresponding to the through openings one by one, a rotary cylinder for driving the shaft, and a transmission structure arranged between the rotary cylinder and the shaft. A nozzle is provided at one end of the shaft, and an air passage for connecting the nozzle and the suction cups is provided on the shaft. The rotary cylinder drives the shaft to rotate upward through the transmission structure so that the suction cups correspond to the storage cover assembly or rotates downward so that the suction cups correspond to the output assembly.

[0010] Preferably, the lifting assembly includes a lifting motor arranged on the frame, a transmission shaft driven by the lifting motor, a swing arm sleeved on the transmission shaft, a pull rod connected to the swing arm, and a lifting seat connected to the pull rod. The transmission shaft is horizontally and rotatably arranged on the frame, the pull rod is vertically arranged, and the cover taking assembly is arranged on the lifting seat. The lifting motor drives the cover taking assembly to lift through the transmission shaft, swing arm, pull rod and lifting seat.

[0011] Preferably, a vertically arranged guide rod is provided on the frame, and the lifting seat is sleeved on the guide rod.

[0012] Preferably, the output assembly includes an output motor, a main pulley driven by the output motor, a driven pulley spaced from the main pulley, a conveyor belt sleeved on the main pulley and the driven pulley, and limiting blocks spaced on the conveyor belt. The limiting blocks are provided with limiting grooves corresponding to the outer guide sleeve and limiting protrusions corresponding to the inner guide sleeve. The limiting grooves are located on the side of the limiting protrusions facing away from the center of the through opening.

[0013] The present invention also provides a filling production line, including the cover supply device described above.

[0014] After adopting the above technical solutions, the present invention has the following advantages:

[0015] 1. The cap supply device provided by the present invention has a cap storage assembly provided with a carrier plate, an outer guide sleeve, an inner guide sleeve, a large cap storage frame and a small cap storage frame. The outer guide sleeve is fixed at the opening of the carrier plate, and the large cap storage frame cooperates with the outer guide sleeve and can be used for caps of larger sizes. The inner guide sleeve is detachably inserted in the outer guide sleeve, and the inner guide sleeve cooperates with the small cap storage frame and can be used for caps of smaller sizes. Through structural improvement, the cap storage device can be used to temporarily store caps of different sizes, so that the cap supply device can be used for orderly output of caps of different sizes, thereby improving the compatibility of the device and reasonably reducing the equipment cost. A positioning structure is provided between the inner guide sleeve and the carrier plate, and the positioning structure allows the inner guide sleeve to maintain a stable position when feeding the cap, so that the cap removal assembly can smoothly remove the cap from the cap storage assembly.

[0016] 2. The positioning structure between the inner guide sleeve and the carrier plate preferably adopts a structure in which a positioning protrusion cooperates with a positioning groove, which has a simple structure, is easy to identify, and has low assembly difficulty. The inner guide sleeve can be circumferentially positioned by the cooperation of the positioning protrusion and the positioning groove, thereby avoiding the adverse effects caused by the deflection of the inner guide sleeve.

[0017] 3. A step portion located above the outer guide sleeve is provided on the inner wall of the through opening, a positioning protrusion is located above the step portion, and a positioning groove is provided on the outer flange on the top side of the inner guide sleeve. When the inner guide sleeve is inserted into the outer guide sleeve, vertical positioning can be achieved through the interference between the outer flange and the step portion, without the need for other components, which is convenient for assembly.

[0018] 4. When the large storage cover frame cooperates with the outer guide sleeve to supply the cover, the convex column at the bottom of the large storage cover frame is inserted into the concave hole on the loading plate. The large storage cover frame is positioned through the cooperation of the convex column and the concave hole to ensure the structural stability of the large storage cover frame.

[0019] 5. When the cover removal assembly removes the cover, the linear cylinder of the cover removal assembly drives the two baffles to move away from each other so that the tongue piece is separated from the slot of the outer guide sleeve or the inner guide sleeve, so that the cover can fall and separate from the cover storage assembly and be taken away by the cover removal assembly. After the cover falls, the linear cylinder of the cover removal assembly drives the two baffles to move closer to each other so that the tongue piece is inserted into the slot of the outer guide sleeve or the inner guide sleeve to press against the cover, so that the cover can fall at a certain time interval and be consistent with the cover removal frequency of the cover removal assembly.

[0020] 6. The rotary cylinder of the cap removal assembly can drive the suction cup to rotate up and down through the rotating shaft, and the lifting motor of the lifting assembly can drive the cap removal assembly to rise and fall through the transmission shaft, swing arm, pull rod and lifting seat. When the suction cup rotates upward to correspond to the cap storage assembly, the lifting assembly drives the cap removal assembly to rise so that the suction cup can smoothly absorb the cap located in the inner guide sleeve or the outer guide sleeve. After the cap is removed, the lifting assembly drives the cap removal assembly to reset downward, and then the rotary cylinder drives the suction cup to rotate downward through the rotating shaft to correspond to the output assembly, and the suction cup releases the cap so that the cap falls on the output assembly. The specific structure of the cap removal assembly and the lifting assembly is reasonably set to meet the requirements of cap removal and cap placement.

[0021] 7. A limiting block is provided on the conveyor belt of the output component. A limiting groove corresponding to the outer guide sleeve and a limiting protrusion corresponding to the inner guide sleeve are provided on the limiting block. The lid with a larger size is kept in a stable position relative to the conveyor belt during output by cooperating with the limiting groove, and the lid with a smaller size is kept in a stable position relative to the conveyor belt during output by cooperating with the limiting protrusion, so that the output component can stably convey the lids. Description of the Drawings

[0022] Figure 1 It is an overall view of the lid supply device in the first embodiment;

[0023] Figure 2 It is a partial structural view of the lid supply device in the first embodiment;

[0024] Figure 3 For Figure 2 The enlarged view at A in

[0025] Figure 4 It is a structural view of the carrier plate, lid dialing component and lid taking component in the lid supply device of the first embodiment;

[0026] Figure 5 It is a structural view of the inner guide sleeve in the lid supply device of the first embodiment;

[0027] Figure 6 It is a structural view of the large lid storage frame in the lid supply device of the first embodiment;

[0028] Figure 7 It is another structural view of the carrier plate, lid dialing component and lid taking component in the lid supply device of the first embodiment;

[0029] Figure 8 It is a structural view of the baffle in the lid supply device of the first embodiment;

[0030] Figure 9 It is a structural view of the conveyor belt and the limiting block in the lid supply device of the first embodiment.

[0031] In the figure, 100 - frame, 210 - load plate, 211 - through - port, 212 - step portion, 213 - positioning protrusion, 214 - concave hole, 220 - outer guide sleeve, 230 - inner guide sleeve, 231 - turned - out edge, 232 - positioning groove, 240 - large storage cover frame, 241 - convex post, 250 - small storage cover frame, 260 - slot, 310 - baffle, 311 - tongue piece, 320 - linear cylinder, 330 - bracket, 410 - rotating shaft, 411 - air duct, 420 - suction cup, 430 - rotating cylinder, 440 - air nozzle, 450 - driving gear, 460 - driven gear, 510 - lifting motor, 520 - transmission shaft, 530 - swing arm, 540 - pull rod, 550 - lifting seat, 560 - reducer, 570 - guide rod, 610 - output motor, 620 - main pulley, 630 - driven pulley, 640 - conveyor belt, 650 - limit block, 651 - limit groove, 652 - limit protrusion. Detailed implementation manners

[0032] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments. It should be understood that the following words indicating orientation or positional relationships, such as "upper", "lower", "left", "right", "longitudinal", "transverse", "inner", "outer", "vertical", "horizontal", "top", "bottom", etc., are only based on the orientation or positional relationships shown in the drawings. They are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device / element referred to must have a specific orientation or be constructed and operated in a specific orientation. Therefore, they should not be construed as limiting the present invention.

[0033] Embodiment 1

[0034] As Figures 1 to 9 shown, a cover - supplying device provided in Embodiment 1 of the present invention includes a frame 100, a cover - storing assembly provided on the frame 100, a cover - taking assembly provided below the cover - storing assembly, a lifting assembly for driving the lifting of the cover - taking assembly, and an output assembly provided below the cover - taking assembly. The cover - storing assembly includes a load plate 210, an outer guide sleeve 220, an inner guide sleeve 230, a large storage cover frame 240, and a small storage cover frame 250. A plurality of through - ports 211 spaced along the output direction of the output assembly are provided on the load plate 210. The outer guide sleeve 220 is fixed at the through - port 211 of the load plate 210. The inner guide sleeve 230 is detachably inserted into the outer guide sleeve 220. The large storage cover frame 240 is matched with the outer guide sleeve 220, and the small storage cover frame 250 is matched with the inner guide sleeve 230. A positioning structure is provided between the inner guide sleeve 230 and the load plate 210.

[0035] Through structural improvement, the lid storage device can be used to temporarily store lids of different sizes, so that the lid supply device can be applied to the orderly output of lids of different sizes, improving the compatibility of the device and reasonably reducing the equipment cost. A positioning structure is provided between the inner guide sleeve and the load plate. Through the positioning structure, the inner guide sleeve maintains a stable position during lid feeding, enabling the lid taking assembly to smoothly take lids from the lid storage assembly.

[0036] Combined with Figure 2 , Figure 3 , Figure 5 , in this embodiment, the load plate 210 is fixed to the upper part of the frame 100, the outer guide sleeve 220 is fixed to the bottom of the load plate 210 and its top side is inserted into the through hole 211. A step portion 212 is provided on the inner wall of the through hole 211 above the outer guide sleeve 220, and an outward turning edge 231 cooperating with the step portion 212 is provided on the top side of the inner guide sleeve 230. When the inner guide sleeve 230 is inserted into the outer guide sleeve 220, the outward turning edge 231 abuts against the step portion 212, enabling the inner guide sleeve 230 to be vertically positioned and supported.

[0037] Combined with Figure 4 , the positioning structure includes a positioning protrusion 213 provided on the inner wall of the through hole 211 and a positioning groove 232 provided on the top side of the inner guide sleeve 230. Preferably, the positioning protrusion 213 is provided on the inner wall of the through hole 211 above the step portion 212, and the positioning groove 232 is provided on the outward turning edge 231. When the inner guide sleeve 230 is inserted into the outer guide sleeve 220, the positioning protrusion 213 is stuck in the positioning groove 232, enabling the inner guide sleeve 230 to be circumferentially positioned.

[0038] Combined with Figure 6 , both the large lid storage frame 240 and the small lid storage frame 250 adopt a frame structure and are similar in structure. In order to improve the stability when the large lid storage frame 240 cooperates with the outer guide sleeve 220, a convex column 241 protruding downward is provided at the bottom of the large lid storage frame 240, and a concave hole 214 cooperating with the convex column 241 is provided on the load plate 210. When the large lid storage frame 240 and the outer guide sleeve 220 cooperate to supply lids, the convex column 241 is inserted into the concave hole 214, enabling the large lid storage frame 240 to be positioned.

[0039] In order to enable the lids to fall at regular time intervals to be consistent with the lid taking frequency of the lid taking assembly, the lid supply device further includes a lid dialing assembly. Combined with Figure 7, the lid-pushing component includes two baffles 310 horizontally arranged at the bottom of the loading plate 210 and two linear cylinders 320 for driving the two baffles 310 to open and close. The linear cylinders 320 are fixed to the bottom of the loading plate 210 through brackets 330, and the piston rods of the linear cylinders 320 are connected to the corresponding baffles 310. A number of spaced tongue pieces 311 are provided on the side of the baffle 310 facing the center of the through opening 211. The number of tongue pieces 311 on each baffle 310 is the same as the number of through openings 211 on the loading plate 210. Slots 260 for inserting the tongue pieces 311 are provided on the bottom sides of both the outer guide sleeve 220 and the inner guide sleeve 230. The opening and closing direction of the two baffles 310 is perpendicular to the output direction of the output component. When the lid-taking component takes the lid, the linear cylinders 320 of the lid-pushing component drive the two baffles 310 to move away from each other, causing the tongue pieces 311 to disengage from the slots 260 of the outer guide sleeve 220 or the inner guide sleeve 230, so that the lid can fall off the lid storage component and be taken away by the lid-taking component. After the lid has fallen, the linear cylinders 320 of the lid-pushing component drive the two baffles 310 to move closer to each other, causing the tongue pieces 311 to insert into the slots 260 of the outer guide sleeve 220 or the inner guide sleeve 230 to hold the lid against falling.

[0040] Combined with Figure 2 , the lid-taking component includes a horizontally axially arranged rotating shaft 410, suction cups 420 corresponding to the through openings 211 one by one and distributed on the rotating shaft 410, a rotary cylinder 430 for driving the rotating shaft 410, and a transmission structure provided between the rotary cylinder 430 and the rotating shaft 410. A nozzle 440 is provided at one end of the rotating shaft 410, and an air passage 411 for connecting the nozzle 440 and the suction cups 420 is provided on the rotating shaft 410. The rotary cylinder 430 drives the rotating shaft 410 to rotate upward through the transmission structure so that the suction cups 420 correspond to the lid storage component or rotates downward so that the suction cups 420 correspond to the output component. Combined with Figure 1 , the lifting component includes a lifting motor 510 provided on the frame 100, a transmission shaft 520 driven by the lifting motor 510, a swing arm 530 sleeved on the transmission shaft 520, a pull rod 540 connected to the swing arm 530, and a lifting seat 550 connected to the pull rod 540. The transmission shaft 520 is horizontally rotatably arranged on the frame 100, the pull rod 540 is vertically arranged, and the lid-taking component is provided on the lifting seat 550. The lifting motor 510 drives the lid-taking component to lift through the transmission shaft 520, the swing arm 530, the pull rod 540 and the lifting seat 550.

[0041] In this embodiment, there are two lifting seats 550 spaced along the output direction of the output assembly. The axial direction of the rotating shaft 410 is consistent with the output direction of the output assembly. Both ends of the rotating shaft 410 are rotatably passed through the lifting seat 550 by bearings. The rotary cylinder 430 is arranged on one of the lifting seats 550. The transmission structure adopts a gear structure, including a driving gear 450 sleeved on the output shaft of the rotary cylinder 430 and a driven gear 460 sleeved on one end of the rotating shaft 410. The rotary cylinder 430 drives the rotating shaft 410 to rotate up and down through the meshing driving gear 450 and driven gear 460, so that the suction cup 420 can swing up and down. The air nozzle 440 is connected to the air extraction component through an air path. When the air extraction component extracts air, the air passage 411 and the inside of the suction cup 420 are in a negative pressure state, and the suction cup 420 can suck the lid from the storage lid assembly. When the air extraction component stops extracting air, the air passage 411 and the inside of the suction cup 420 return to the normal pressure state, and the suction cup 420 can release the lid so that the lid falls on the output assembly. The transmission shaft 520 is horizontally arranged and its axial direction is consistent with the output direction of the output assembly. Both ends of the transmission shaft 520 are rotatably supported on the frame 100 by bearings. The lifting motor 510 drives the transmission shaft 520 to rotate through the reducer 560. One end of the transmission shaft 520 is in transmission connection with the output shaft of the reducer 560. There are two swing arms 530 respectively sleeved on both ends of the transmission shaft 520. Correspondingly, two pull rods 540 are also provided. The top end of the pull rod 540 is rotatably connected to the corresponding swing arm 530, and the bottom end of the pull rod 540 is rotatably connected to the corresponding lifting seat 550. When the suction cup 420 rotates upward to correspond to the storage lid assembly, the lifting assembly drives the lid taking assembly to rise so that the suction cup 420 can smoothly suck the lid located in the inner guide sleeve 230 or the outer guide sleeve 220. After the lid taking is completed, the lifting assembly drives the lid taking assembly to reset downward.

[0042] To improve the stability when the lifting assembly drives the lid taking assembly to move up and down, a vertical guide rod 570 is provided on the frame 100, and the lifting seat 550 is sleeved on the guide rod 570.

[0043] Combined with Figure 2 、 Figure 9The output assembly includes an output motor 610, a main pulley 620 driven by the output motor 610, a secondary pulley 630 spaced apart from the main pulley 620, a conveyor belt 640 sleeved on the main pulley 620 and the secondary pulley 630, and a stopper 650 spaced apart on the conveyor belt 640. The stopper 650 is provided with a stopper groove 651 corresponding to the outer guide sleeve 220 and a stopper protrusion 652 corresponding to the inner guide sleeve 230. The stopper groove 651 is located on the side of the stopper protrusion 652 facing away from the center of the through opening 211. The larger caps are kept in a stable position relative to the conveyor belt 640 by cooperating with the stopper groove 651 during output, and the smaller caps are kept in a stable position relative to the conveyor belt 640 by cooperating with the stopper protrusion 652 during output, so that the output assembly can stably transport the caps. In this embodiment, a plurality of stopper blocks 650 spaced apart are provided on the conveyor belt 640, and stopper grooves and stopper protrusions are provided on opposite sides of the stopper block 650. Taking the state where the cover is placed on the conveyor belt 640 by taking the cover assembly, since the limiting groove 651 corresponds to the outer guide sleeve 220, the size of the limiting groove 651 is larger than the size of the limiting protrusion 652. With the corresponding center of the through opening 211 as a reference, the limiting groove 651 is located on the outside of the limiting protrusion 652.

[0044] This embodiment also provides a filling production line, including the cap supply device described above. The specific devices on the filling path in the filling production line can be specifically set according to the product type.

[0045] When the cap supply device is arranged on the cap supply path for outputting caps, a structure in which a large cap storage frame 240 cooperates with an outer guide sleeve 220 is selected according to the outer diameter of the caps, or a structure in which a small cap storage frame 250 cooperates with an inner guide sleeve 230 is selected. The caps are orderly placed in the cap storage assembly. When the cap removal assembly removes the caps, the rotary cylinder 430 drives the rotating shaft 410 to rotate upward to make the suction cup 420 face upward, and then the lifting assembly drives the cap removal assembly to rise, and the linear cylinder 320 of the cap removal assembly drives the two baffles 310 to move backwards so that the caps in the inner guide sleeve 230 or the outer guide sleeve 220 can be adsorbed by the suction cup 420. After the suction cup 420 sucks the cap, the linear cylinder 320 of the cap-prying assembly drives the two baffles 310 to move toward each other so that the tongue 311 is inserted into the slot 260 to press against the cap to prevent the cap from falling. At the same time, the lifting assembly drives the cap-removing assembly to move downward and reset, and then the rotating cylinder 430 drives the rotating shaft 410 to rotate downward so that the suction cup 420 faces downward. The suction cup 420 releases the cap through air circuit control, and the cap falls on the conveyor belt 640. The output assembly outputs the caps in an orderly manner so that the caps can be installed on the containers at the capping station of the filling production line.

[0046] It is understandable that the inner guide sleeve 230 and the small storage cover frame 250 can be configured in various sizes according to the size of the product to be filled and produced.

[0047] It is understandable that the positioning structure can also adopt other reasonable structures, such as the structure in which a positioning post cooperates with a positioning hole, etc.

[0048] It is understandable that a corresponding positioning and cooperating structure can also be provided between the small storage cover frame and the loading plate.

[0049] In addition to the above preferred embodiments, the present invention has other implementation manners. Those skilled in the art can make various changes and deformations according to the present invention. As long as they do not depart from the spirit of the present invention, they should all fall within the scope defined in the claims of the present invention.

Claims

1. A lid supply device, comprising a frame, a lid storage assembly provided on the frame, a lid picking assembly provided below the lid storage assembly, a lifting assembly for driving the lid picking assembly to lift and lower, and an output assembly provided below the lid picking assembly. Characterized in that the lid storage assembly includes a carrier plate, an outer guide sleeve, an inner guide sleeve, a large lid storage frame and a small lid storage frame. A plurality of through openings are provided on the carrier plate at intervals along the output direction of the output assembly. The outer guide sleeve is fixed at the through openings of the carrier plate. The inner guide sleeve is detachably inserted into the outer guide sleeve. The large lid storage frame cooperates with the outer guide sleeve, and the small lid storage frame cooperates with the inner guide sleeve. A positioning structure is provided between the inner guide sleeve and the carrier plate. The positioning structure includes a positioning protrusion provided on the inner wall of the through opening and a positioning groove provided on the top side of the inner guide sleeve. When the inner guide sleeve is inserted into the outer guide sleeve, the positioning protrusion is stuck in the positioning groove. The outer guide sleeve is provided at the bottom of the carrier plate and its top side is inserted into the through opening. A step portion is provided on the inner wall of the through opening above the outer guide sleeve. The positioning protrusion is provided on the inner wall of the through opening above the step portion. The top side of the inner guide sleeve is provided with an outward turning edge that cooperates with the step portion, and the positioning groove is provided on the outward turning edge. The bottom of the large lid storage frame is provided with a protruding column protruding downward. The carrier plate is provided with a concave hole that cooperates with the protruding column. When the large lid storage frame cooperates with the outer guide sleeve to supply lids, the protruding column is inserted into the concave hole. The lid supply device includes a lid dialing assembly. The lid dialing assembly includes two baffles horizontally provided at the bottom of the carrier plate and two linear cylinders for driving the two baffles to open and close. The opening and closing direction of the two baffles is perpendicular to the output direction of the output assembly. A tongue is provided on the side of the baffle facing the center of the through opening. The outer guide sleeve and the inner guide sleeve are both provided with slots for the tongue to be inserted. The two baffles are respectively connected to the piston rods of the corresponding linear cylinders. The two linear cylinders drive the two baffles to approach each other so that the tongue is inserted into the slot or drive the two baffles to move away from each other so that the tongue disengages from the slot.

2. The lid supply device according to claim 1, Characterized in that the lid picking assembly includes a rotation shaft horizontally disposed axially, suction cups distributed on the rotation shaft corresponding to the through openings one by one, a rotary cylinder for driving the rotation shaft, and a transmission structure provided between the rotary cylinder and the rotation shaft. One end of the rotation shaft is provided with a nozzle. An air passage for communicating the nozzle and the suction cups is provided on the rotation shaft. The rotary cylinder drives the rotation shaft to rotate upward through the transmission structure so that the suction cups correspond to the lid storage assembly or rotates downward so that the suction cups correspond to the output assembly.

3. The lid supply device according to claim 1, Characterized in that the lifting assembly includes a lifting motor provided on the frame, a transmission shaft driven by the lifting motor, a swing arm sleeved on the transmission shaft, a pull rod connected to the swing arm, and a lifting seat connected to the pull rod. The transmission shaft is horizontally and rotatably disposed on the frame. The pull rod is vertically disposed. The lid picking assembly is provided on the lifting seat. The lifting motor drives the lid picking assembly to lift and lower through the transmission shaft, the swing arm, the pull rod and the lifting seat.

4. The lid supply device according to claim 3, Characterized in that a vertical guide rod is provided on the frame, and the lifting seat is sleeved on the guide rod.

5. The lid supply device according to claim 1, Characterized in that The output assembly includes an output motor, a main pulley driven by the output motor, a slave pulley spaced apart from the main pulley, a conveyor belt sleeved on the main pulley and the slave pulley, and a limit block spaced apart on the conveyor belt, the limit block being provided with a limit groove corresponding to the outer guide sleeve and a limit protrusion corresponding to the inner guide sleeve, the limit groove being located on the side of the limit protrusion facing away from the center of the through opening.

6. A filling production line, It is characterized in that The cover supply device comprises the cover supply device according to any one of claims 1 to 5.

Images