CN112810862A - Capping mechanism of full-automatic capping machine - Google Patents
Capping mechanism of full-automatic capping machine Download PDFInfo
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- CN112810862A CN112810862A CN202110081629.3A CN202110081629A CN112810862A CN 112810862 A CN112810862 A CN 112810862A CN 202110081629 A CN202110081629 A CN 202110081629A CN 112810862 A CN112810862 A CN 112810862A
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- capping
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B7/00—Closing containers or receptacles after filling
- B65B7/16—Closing semi-rigid or rigid containers or receptacles not deformed by, or not taking-up shape of, contents, e.g. boxes or cartons
- B65B7/28—Closing semi-rigid or rigid containers or receptacles not deformed by, or not taking-up shape of, contents, e.g. boxes or cartons by applying separate preformed closures, e.g. lids, covers
- B65B7/2807—Feeding closures
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B7/00—Closing containers or receptacles after filling
- B65B7/16—Closing semi-rigid or rigid containers or receptacles not deformed by, or not taking-up shape of, contents, e.g. boxes or cartons
- B65B7/28—Closing semi-rigid or rigid containers or receptacles not deformed by, or not taking-up shape of, contents, e.g. boxes or cartons by applying separate preformed closures, e.g. lids, covers
- B65B7/2842—Securing closures on containers
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- Mechanical Engineering (AREA)
- Sealing Of Jars (AREA)
Abstract
The invention discloses a capping mechanism of a full-automatic capping machine, which comprises a main shaft, wherein the main shaft is sequentially provided with a cam, a vacuum control device, a lifting part and a cap sucking part from top to bottom; the side wall of the cam is provided with a cam groove, the top of the lifting part rotates along the cam groove on the cam, the bottom of the lifting part is provided with a gland head, and the gland head sucks and covers the cover on the gland part through the rotation of the lifting part along the cam groove and the vacuum control device; the vacuum control device comprises a vacuum receiving disc, a vacuum turntable and a vacuum device; an annular gap is reserved between the vacuum receiving disc and the vacuum rotary disc, and the annular gap is divided into a ventilation area and an airless area through a partition rib; when the lifting part sucks and presses the cover, the corresponding second air joint on the vacuum turntable rotates to the ventilation area, and when the lifting part finishes pressing the cover, the corresponding second air joint on the vacuum receiving disc rotates to the airless area. The capping mechanism has the advantages of high automation degree, high safety coefficient and labor cost saving.
Description
Technical Field
The invention belongs to the field of automatic packaging machinery, and particularly relates to a capping mechanism of a full-automatic capping machine.
Background
At present, the capping machine in the industry is not stable enough during high-speed operation, so that the production efficiency is not high; the capping head of the capping machine is in a always-ventilated state, so that an air source is wasted when the capping is not needed; in addition, once a special cover type appears, like a mosquito-repellent incense liquid core rod, when the cover is broken in the press cover head, the cover cannot be normally sucked next time, the press cover head needs to be manually disassembled to take out the broken packing material, and the automation efficiency is greatly reduced.
Disclosure of Invention
The purpose of the invention is as follows: the invention aims to provide a capping mechanism of a full-automatic capping machine aiming at the defects of the prior art.
The technical scheme for realizing the invention is as follows:
the gland mechanism of the full-automatic capping machine comprises a main shaft, wherein the main shaft is sequentially provided with a cam, a vacuum control device, a lifting part and a cap sucking part from top to bottom; the side wall of the cam is provided with a cam groove, the top of the lifting part rotates along the cam groove on the cam, the bottom of the lifting part is provided with a gland head, and the gland head sucks and covers the cover on the gland part through the rotation of the lifting part along the cam groove and the vacuum control device;
the vacuum control device comprises a vacuum receiving disc, a vacuum rotary disc and a vacuum device; the vacuum receiving disc is fixed, an annular gap is reserved between the vacuum receiving disc and the vacuum rotary disc, the vacuum device is communicated into the annular gap for air suction, the annular gap is divided into a ventilation area and an airless area through a partition rib, a second air joint communicated with a first air joint on a pressing head of the lifting part is arranged on the vacuum rotary disc, and the vacuum rotary disc is connected with the lifting part and synchronously rotates; when the lifting part sucks the cover and presses the cover, the corresponding second gas joint on the vacuum turntable is turned to the ventilation area, and when the lifting part finishes pressing the cover, the corresponding second gas joint on the vacuum receiving disc is turned to the airless area.
The invention further preferably adopts the technical scheme that the middle part of the vacuum connecting disc is provided with a fixed position of a pipeline in a vacuum device, the outer circumference of the vacuum connecting disc is provided with an annular groove, the annular groove is provided with a partition rib, the annular groove is divided into two areas by the partition rib, the inner wall of the annular groove of one area is provided with a vent hole which is a ventilation area, and the other area is an airless area; the outer side of the annular groove is rotatably provided with a vacuum rotary table, the vacuum rotary table and the annular groove form a closed ventilation area and an airtight area, and the vacuum rotary table is provided with second air connectors the number of which is the same as that of the first air connectors of the lifting part.
Preferably, the side wall of the cam is provided with a cam groove, and the cam groove is correspondingly provided with a cover sucking point section, a cover sucking section and a cover pressing section respectively; inhale the position that sets up of lid some section and be higher than the position that sets up of inhaling the lid section, the position that sets up of inhaling the lid section is higher than the gland section and sets up the position, through the smooth curved groove intercommunication between the two adjacent stages, the gland head realizes the inhaling of gland head and gland along with the different stage positions of lifting unit in the cam groove. The invention optimally designs the rolling curve of the lifting rod in the cam groove, so that the lifting rod is more smooth in linearity and free from blocking when rolling along with the cam groove.
Preferably, the lifting part comprises a carriage and lifting rods, the carriage is mounted on the main shaft and rotates along with the main shaft, a plurality of lifting rods are arranged on the outer circumference of the carriage at equal angles, the tops of the lifting rods rotate along cam grooves on the cams, and gland heads and first air connectors are arranged at the bottoms of the lifting rods; the sliding frame is connected with the lifting rod in a sliding mode.
Preferably, a sliding ring and a sliding block are arranged at the sliding connection position of the sliding frame and the lifting rod, the sliding block is arranged on the inner side wall of the sliding ring, the lifting rod penetrates through the sliding ring, a sliding groove is formed in the outer side of the position corresponding to the sliding block, and the lifting rod moves up and down on the sliding frame through the sliding groove, the sliding block and the sliding ring. According to the invention, the lifting part is provided with the sliding frame and the lifting rods, the number of the lifting rods is set according to the actual equipment requirements, and the structural design of the lifting part is reasonable, so that the lifting rods can perform stable up-and-down displacement on the sliding frame, and the stable movement of the gland heads on the lifting rods is ensured.
Preferably, a guide opening and a positioning step are arranged at the inlet of the gland head, the diameter of the guide opening increases from inside to outside, and the positioning step is positioned on the inner side of the guide opening. According to the capping head, the guide opening and the positioning step are designed according to the overall dimension of the cap, the cap can enter the capping head more smoothly and accurately through the structural design of the guide opening, and the structural design of the positioning step can ensure that the cap and a bottle cannot be eccentric when the cap is screwed on.
Preferably, the vacuum device comprises a vortex fan and an air blowing pipe; the vortex fan is communicated with the vacuum turntable through a pipeline to exhaust air, and an air source is distributed to the gland head through a ventilation area of the vacuum turntable. The vortex fan is connected into an annular gap between the vacuum receiving disc and the vacuum rotary disc through the air blowing pipe and the main shaft through the pipeline, wherein an air source is fed from the top center of the gland mechanism, the vacuum device is fixed, and the air source is introduced into the gland head through the vacuum rotary disc, the second air connector, the first air connector and the pipeline, so that the error of the air source in the gland head is better adjusted, the structural design is more reasonable, and the air source is saved.
By adopting the technical scheme, the invention has the following beneficial effects:
(1) the gland mechanism divides the annular gap between the vacuum receiving disc and the vacuum rotary disc into a ventilation area and an airless area, the second air joint on the vacuum rotary disc is respectively communicated with the annular gap and the first air joint on the gland head, and the second air joint on the vacuum rotary disc is respectively rotated to the ventilation area and the airless area to regulate and control whether an air source corresponding to the gland head exists or not; when the gland head sucks the lid and the gland action, the second air joint of the first air joint intercommunication corresponding to the gland head rotates to the ventilation area along with the vacuum turntable, and when the gland head finishes the gland, the second air joint of the first air joint intercommunication corresponding to the gland head rotates to the airless area along with the vacuum turntable.
(2) When the special cover is broken in the capping head and the second air connector communicated with the capping head rotates to an airless region along with the vacuum turntable, the capping mechanism ensures that the broken cover in the capping head automatically falls off because no air source is introduced into the capping head, does not influence the cyclic suction of the next cover of the capping head, ensures the normal cyclic work of the capping head, avoids manually taking off the broken cover, improves the automation efficiency of the capping mechanism and saves the labor cost.
(3) The cam groove on the cam is respectively provided with a cap sucking point section, a cap sucking section and a cap pressing section, two adjacent stages are communicated through a smooth curved groove, and the cap pressing head realizes the cap sucking and the cap pressing of the cap pressing head along with different stage positions of the lifting part in the cam groove; the invention optimally designs the rolling curve of the lifting rod in the cam groove, so that the lifting rod is more smooth in linearity and free from blocking when rolling along with the cam groove.
(4) The lifting part is provided with a sliding frame and a lifting rod, and the lifting rod moves up and down on the sliding frame through a sliding groove, a sliding block and a sliding ring; the lifting part has reasonable structural design, so that the lifting rod can perform stable up-and-down displacement on the sliding frame, and the gland head on the lifting rod can be ensured to move stably.
(5) The capping head is provided with the guide opening and the positioning step, the cover can enter the capping head more smoothly and accurately due to the arrangement of the guide opening, the phenomenon that the cover is eccentric with a bottle cannot occur when the capping head is capped by a gland in a screwing mode due to the arrangement of the positioning step, and the capping efficiency and the capping quality are guaranteed.
Drawings
In order that the present disclosure may be more readily and clearly understood, reference is now made to the following detailed description of the present disclosure taken in conjunction with the accompanying drawings, in which:
FIG. 1 is a schematic view of the internal structure of the capping mechanism according to the present invention;
FIG. 2 is a cross-sectional view of the capping mechanism of the present invention with the lifter removed;
FIG. 3 is a schematic view of the capping mechanism with the housing of the present invention;
FIG. 4 is a schematic view of the lifter and cam of the present invention;
FIG. 5 is a schematic view of the cam slot of the cam sidewall of the present invention after deployment;
FIG. 6 is a cross-sectional view of FIG. 4;
FIG. 7 is a schematic view of the lifting portion of the present invention;
FIG. 8 is a schematic structural view of a vacuum receiving plate and a vacuum turntable according to the present invention;
FIG. 9 is a schematic structural view of a vacuum receiving plate, an upper vacuum cover plate and a lower vacuum cover plate according to the present invention;
FIG. 10 is a schematic structural view of a vacuum receiving plate according to the present invention;
FIG. 11 is a schematic structural view of the capping head in the embodiment;
FIG. 12 is a cross-sectional view taken along line D-D of FIG. 11;
fig. 13 is a schematic structural view of the mosquito coil liquid core rod pressed into the capping head in the embodiment.
In the figure, 1-a main shaft, 2-a lifting part, 21-a lifting rod, 211-a deep groove ball bearing, 212-a capping head, 2121-a guide port, 2122-a positioning step, 213-a first air joint, 214-a sliding chute, 22-a sliding frame, 221-a sliding ring, 222-a sliding block, 3-a vacuum connecting disc, 31-a vacuum rotating disc, 311-a second air joint, 32-a breaking rib, 321-a vent hole, 33-a vacuum upper cover plate, 34-a vacuum lower cover plate, 341-an annular sealing ring, 35-a connecting piece, 36-a sealing core, 361-a vent pipe, 362-a vent hole, 37-a pipe joint, 4-a cam, 41-a cam groove, 5-a suction cover part, 6-a gas blowing pipe, 7-a vortex fan and 8-a mounting rack, 9-shell and 10-mosquito-repellent incense liquid core rod.
Detailed Description
The technical solution of the present invention is described in detail below with reference to the accompanying drawings, but the scope of the present invention is not limited to the embodiments.
Example (b): as shown in fig. 1 and 2, the capping mechanism of the full-automatic capping machine in the embodiment comprises a main shaft 1, wherein the main shaft 1 is provided with a cam 4, a vacuum control device, a lifting part 2 and a cap sucking part 5 in sequence from top to bottom; the main shaft 1 in the embodiment is arranged on a mounting frame 8, the mounting frame 8 comprises a mounting surface positioned at the top, a mounting cavity positioned at the middle and mounting legs positioned at the bottom, a cam 4, a vacuum control device, a lifting part 2 and a cover sucking part 5 are all positioned above the mounting surface, and a power device for driving the main shaft 1 to rotate is positioned in the mounting cavity; as shown in fig. 3, a protective casing 9 is provided outside the main shaft 1 in this embodiment, and the casing 9 covers and protects the cam 4, the vacuum control device, and the lifting unit 2 on the main shaft 1, thereby improving the cleanliness of the equipment.
As shown in fig. 1, the side wall of the cam 4 in this embodiment is provided with a cam groove 41, the top of the lifting part 2 rotates along the cam groove 41 on the cam 4, the bottom of the lifting part 2 is provided with a capping head 212, and the capping head 212 sucks and caps the cap on the capping part 5 by rotating the lifting part 2 along the cam groove 41 and using a vacuum control device; the vacuum control device comprises a vacuum receiving disc 3, a vacuum turntable 31 and a vacuum device; the vacuum receiving disc 3 is fixed, an annular gap is reserved between the vacuum receiving disc 3 and the vacuum rotary disc 31, the vacuum device is communicated to the annular gap for air suction, the annular gap is divided into a ventilation area and an airless area through a partition rib 32, a second air connector 311 communicated with a first air connector 213 on a gland head 212 of the lifting part 2 is arranged on the vacuum rotary disc 31, and the vacuum rotary disc 31 is connected with the lifting part 2 and synchronously rotates; when the lifting part 2 performs cap sucking and capping, the corresponding second air connector 311 on the vacuum turntable 31 is turned to the ventilation area, and when the lifting part 2 completes capping, the corresponding second air connector 311 on the vacuum chuck 3 is turned to the airless area.
As shown in fig. 4 and 5, in the present embodiment, the cam 4 is provided with a cam groove 41, the lifting part 2 includes a carriage 22 and a lifting rod 21, the lifting rod 21 is connected with the carriage 22 in a sliding manner, the top of the lifting rod 21 rolls in the cam groove 41 of the cam 4, the bottom of the lifting rod 21 is provided with a capping head 212 and a first air joint 213, the first air joint 213 is communicated with the capping head 212, and the first air joint 213 is communicated with a second air joint 311 on the vacuum turntable 31 through a pipeline; in the embodiment, the lifting rod 21 can make the capping head 212 on the lifting rod 21 realize different differences through the rolling of the cam groove 41 on the cam 4 at different positions; as shown in fig. 5, the figure is an expanded schematic view of the cam groove 41 in the cam 4, wherein, in the figure, a section a corresponds to the capping head 212 on the lifting rod 21 of the lifting part 2 at the cap sucking point, a section B corresponds to the capping head 212 on the lifting rod 21 of the lifting part 2 for the cap sucking action, a section C corresponds to the capping head 212 on the lifting rod 21 of the lifting part 2 for the cap pressing action, and the cam groove is respectively provided with the cap sucking point section, i.e., the section a, the cap sucking section, i.e., the section B, and the cap pressing section, i.e., the section C; the arrangement position of the cover sucking point section is higher than that of the cover sucking section, the arrangement position of the cover sucking section is higher than that of the cover pressing section, the two adjacent stages are communicated through a smooth curved groove, and the cover pressing section is communicated with the cover sucking point section and the cover sucking section through an obliquely arranged curved groove due to large difference of position heights; the lifting rod 21 realizes different action requirements by being in different position stages of the cam groove 41, and the lifting rod 21 circularly rolls in A, B, C sections in the cam groove 41 to realize the suction cap and the gland of the gland head 212; it can be seen from fig. 5 that in order to make the lifter 21 rotate in the cam groove 41 more linearly and smoothly without jamming, the curve of the cam groove 41 is specially optimized between the adjacent position stages of the sections a, B and C by the smooth curved groove and the obliquely arranged curved groove; when the capping head 212 performs cap sucking and capping actions, the second air connector 311 communicated with the capping head 212 is located in an air vent region, and when the capping head 212 completes the capping action, the second air connector 311 communicated with the capping head 212 is located in an air-free region, so that the structural design reduces the waste of air sources and reduces potential safety hazards, and the size ranges of the air vent region and the air-free region are regulated according to the specific actions of the capping head 212; when a special cover is broken in the capping head 212, the second air connector 311 communicated with the capping head 212 rotates to an airless region, the broken cover in the capping head 212 can automatically fall off, the next cyclic suction of the cap of the capping head 212 is not affected, and the normal cyclic work of the capping head 212 is ensured.
In the embodiment, a vacuum receiving disc 3 is fixed below a cam 4, the vacuum receiving disc 3 is a fixed structure, as shown in fig. 10, the middle part of the vacuum receiving disc 3 is a hollow structure, the hollow structure is used for arranging a pipeline in a vacuum device, annular sealing rings are fixed at the middle upper part and the bottom part of the outer circumference of the hollow structure in a sealing manner, an annular groove is fixed between the two annular sealing rings, the annular groove comprises convex rings fixed with the annular sealing rings in a sealing manner, a cylinder is fixed between the two convex rings, the outer diameter of each convex ring is larger than that of each annular sealing ring, the outer diameter of each cylinder is smaller than that of each convex ring, and the annular groove is formed by the two convex rings and the; in order to divide the annular gap between the vacuum receiving disc 3 and the vacuum rotary disc 31 into a ventilation area and an airless area, two partition ribs 32 are arranged between the two convex rings at intervals, and the partition ribs 32 are fixed on the outer circumference of the cylinder; in order to ensure the separation effect of the separation ribs 32, the separation ribs 32 are respectively connected with the convex rings and the cylinder in a sealing manner, the outer edges of the separation ribs 32 and the outer edges of the corresponding upper convex ring and the lower convex ring are positioned on the same vertical plane, a separation area of the cylinder is provided with a vent hole 321, the separation area is a ventilation area, the other separation area without the vent hole 321 is an air-free area, and an air source introduced by a vacuum device is introduced into the ventilation area through the vent hole 321; as shown in fig. 8 and 9, in this embodiment, in order to install the vacuum rotary table 31, a vacuum upper cover plate 33 and a vacuum lower cover plate 34 are respectively and hermetically fixed on the outer circumferences of the two annular sealing rings, the outer diameters of the vacuum upper cover plate 33 and the vacuum lower cover plate 34 are the same and are both larger than the outer diameter of the convex ring, the vacuum rotary table 31 is arranged between the vacuum upper cover plate 33 and the vacuum lower cover plate 34 in a sliding manner, the inner wall of the vacuum rotary table 31 is arranged to be closely attached to the outer circumferences of the convex ring and the partition rib 32, an annular sealing ring 341 is arranged at the joint of the vacuum rotary table 31 and the convex ring, and the installation of the annular sealing ring 341 can prevent air leakage in a ventilation area; in order to ensure the stability of the annular sealing ring 341, mounting grooves for the annular sealing ring 341 are formed in the vacuum upper cover plate 33 and the vacuum lower cover plate 34 corresponding to the annular sealing ring 341, and the design of the annular sealing ring 341 on the vacuum turntable 31 ensures the functional integrity of a ventilation area and an airless area; the vacuum rotary table 31 is provided with a second air connector 311 with the same number as the capping heads 212 on the lifting rod 21, and the second air connector 311 is communicated with the annular gap in the vacuum rotary table 31 and is communicated with the first air connector 213 through a pipeline.
As shown in fig. 6, in order to ensure that the air source of the vacuum device can be smoothly introduced into the annular gap between the vacuum receiving plate 3 and the vacuum rotary plate 31, a sealing core 36 is embedded in the central cavity connecting the cam 4 and the vacuum receiving plate 3, the top of the sealing core 36 is positioned in the central cavity of the cam 4, and the bottom of the sealing core extends to the lower part of the central cavity of the vacuum receiving plate 3; a sealed inner annular gap is formed between the sealing core 36 and the vacuum receiving disc 3, and the inner annular gap is communicated with a ventilation area between the vacuum receiving disc 3 and the vacuum rotary disc 31 through a ventilation hole 321; the center of the sealing core 36 is provided with a vent pipe 361, the top of the vent pipe 361 is fixed with a pipe joint 37, the top of the pipe joint 37 extends out of the vent pipe 361, the outer side of the top of the pipe joint 37 is provided with concave-convex grains, and the design of the concave-convex grains is convenient for the communication between a tracheal pipe in the vacuum device and the pipe joint 37; the bottom of the vent pipe 361 faces the inner annular gap, and a plurality of vent holes 362 are formed in the bottom of the vent pipe 361 towards the outer circumference of the sealing core 36, so that an air source introduced into the vent pipe 361 enters the inner annular gap through the vent holes, and the air source is introduced into a vent area from the inner annular gap through the vent holes 321; the air source stability of the ventilation area is better guaranteed through the structural design of the sealing core in the embodiment, and the vacuum device can better lead the air source into the ventilation area.
In the embodiment, the lifting portion 2 is arranged below the vacuum receiving tray 3, the carriage 22 of the lifting portion 2 is mounted on the main shaft 1 and rotates along with the main shaft 1, as shown in fig. 7, the vertical middle section of the carriage 22 is in an i-shaped structure, the middle portion of the carriage 22 is in a cylindrical structure, the top and the bottom of the cylindrical structure are both fixed with annular disc structures, 8 vertical lifting rods 21 are arranged on the outer circumference of each annular disc structure at equal angles, the lifting rods 21 are connected with the annular disc structures in a sliding manner, a deep groove ball bearing 211 is mounted on the top of each lifting rod 21, the deep groove ball bearing 211 is mounted on the cam groove 41 of the cam 4, so that the top of each lifting rod 21 rotates along with the cam groove 41 on the cam 4, the linearity is smoother, and no blockage occurs; the bottom of the lifting rod 21 is provided with a gland 212 and a first air joint 213, the first air joint 213 is communicated with a second air joint 311 on the vacuum rotary disc 31 through a pipeline, in order to enable the vacuum rotary disc 31 and the lifting part 2 to be connected and synchronously rotate, a connecting piece 35 is fixed between the vacuum rotary disc 31 and an annular disc structure positioned at the top of the cylinder structure, the vacuum rotary disc 31 and the lifting rod 21 are synchronously rotated through the arrangement of the connecting piece 35, the pipeline between the first air joint 213 and the second air joint 311 is prevented from being wound, the pipeline connecting distance between the first air joint 213 and the second air joint 311 is shortest, and materials are saved; the lifting rod 21 and the sliding frame 22 in this embodiment are slidably connected, the sliding ring 221 and the sliding block 222 are arranged at the sliding connection position of the annular disc structure and the lifting rod 21, the sliding block 222 is arranged on the inner side wall of the sliding ring 221, the lifting rod 21 penetrates through the sliding ring 221 and the sliding groove 214 is arranged at the outer side corresponding to the sliding block 222, the lifting rod 21 moves up and down through the sliding groove 214, the sliding block 222 and the sliding ring 221, the lifting part is reasonable in structural design, the lifting rod can stably move up and down on the sliding frame, and the gland head on the lifting rod can stably move.
The vacuum device in the embodiment comprises a vortex fan 7 and an air blowing pipe 6, wherein the vortex fan 7 is arranged in an installation cavity, the air blowing pipe 6 is fixed on the installation surface, the vortex fan 7 is connected into a vacuum connecting disc 3 through the air blowing pipe 6 and a main shaft 1 for air suction through a pipeline, the pipeline communicated with the air blowing pipe 6 is communicated with a pipeline joint 37 from a cavity at the top of a cam 4 of a gland mechanism, an air source of the vortex fan 7 is communicated with an air vent area through the air blowing pipe 6, the pipeline joint 37, an air vent pipeline 361, an air vent 362, an inner annular gap and an air vent 321, and is divided into the air source to the gland head 212 through the air vent area of a vacuum turntable 31, a first air joint 213 and a second air; the vacuum device in the embodiment is communicated to the annular gap of the vacuum receiving disc 3 from the center of the top of the gland mechanism through a pipeline to realize central air inlet, wherein the vacuum device and the pipeline are in a fixed state after being installed, and the existence of an air source of a gland head communicated with the vacuum device is controlled only by the rotation of the vacuum rotating disc 31, so that the structural design is more reasonable, and the air source is saved; the pipeline of the vortex fan 7 in the embodiment enters the main shaft 1 from the cavity of the cam 4 at the top of the main shaft 1 and then is connected into the vacuum receiving disc 3 through the main shaft 1, the vortex fan 7 and the pipeline in the embodiment are fixed, and the vortex fan 7 is connected with a driving device.
As shown in fig. 11 and 12, the capping head 212 in this embodiment is provided at an inlet thereof with a guide opening 2121 and a positioning step 2122, the guide opening 2121 has an increasing diameter from the inside to the outside, and the positioning step 2122 is located inside the guide opening 2121; the capping head 212 of this embodiment can design the guiding opening 2121 and the positioning step 2122 according to the overall dimension of the cap, and the cap in this embodiment is designed by the structure of the mosquito-repellent incense liquid core rod 10, as shown in fig. 13, which is a state diagram when the mosquito-repellent incense liquid core rod 10 is sucked into the capping head 212, and the structural design of the capping head 212 makes the cap enter the capping head 212 more smoothly and accurately, so as to ensure that the cap and the bottle are not eccentric when the capping is screwed.
In the capping mechanism disclosed in the embodiment, the lifting rod 21 on the lifting part 2 rolls in the cam groove 41 of the cam 4 along with the rotation of the main shaft 1, so as to realize the cap sucking and capping actions of the capping head 212 on the lifting rod 21; in order to make the structural design more reasonable, a vacuum control device is arranged between the lifting part 2 and the cam 4, an annular gap between a vacuum receiving disc 3 and a vacuum rotary disc 31 in the vacuum control device is divided into a ventilation area and an airless area by arranging a blocking rib 32, an air source is introduced into the ventilation area by the vacuum device, the air source in the ventilation area is communicated with a first air connector 213 communicated with a capping head 212 through a second air connector 311 on the vacuum rotary disc 31, and the second air connector 311 on the vacuum rotary disc 31 rotates to the ventilation area and the airless area in a circulating manner to control the air source introduced into the capping head 212, so that the capping head 212 can suck and cap; the capping mechanism in the embodiment can reduce the waste of air sources and reduce potential safety hazards by arranging the air vent area and the air-free area, when a special cap is needed, like the mosquito-repellent incense liquid core rod 10, when the core rod is broken in the capping head 212, and the second air connector 311 communicated with the capping head 212 is positioned in the air-free area, the broken core rod can automatically fall off, the cyclic suction of the next cap of the capping head 212 is not influenced, the normal cyclic work of the capping head 212 is ensured, and the automation efficiency is improved; the capping mechanism in this embodiment has high degree of automation, high safety factor, labor cost saving and greatly improved production efficiency.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A capping mechanism of a full-automatic capping machine comprises a main shaft, wherein the main shaft is sequentially provided with a cam, a vacuum control device, a lifting part and a cap sucking part from top to bottom; the side wall of the cam is provided with a cam groove, the top of the lifting part rotates along the cam groove on the cam, the bottom of the lifting part is provided with a gland head, and the gland head sucks and covers the cover on the gland part through the rotation of the lifting part along the cam groove and the vacuum control device;
the vacuum control device is characterized by comprising a vacuum receiving disc, a vacuum rotary disc and a vacuum device; the vacuum receiving disc is fixed, an annular gap is reserved between the vacuum receiving disc and the vacuum rotary disc, the vacuum device is communicated into the annular gap for air suction, the annular gap is divided into a ventilation area and an airless area through a partition rib, a second air joint communicated with a first air joint on a pressing head of the lifting part is arranged on the vacuum rotary disc, and the vacuum rotary disc is connected with the lifting part and synchronously rotates; when the lifting part sucks the cover and presses the cover, the corresponding second gas joint on the vacuum turntable is turned to the ventilation area, and when the lifting part finishes pressing the cover, the corresponding second gas joint on the vacuum receiving disc is turned to the airless area.
2. The capping mechanism according to claim 1, wherein the vacuum chuck has a middle portion provided with a fixing position of a pipe in the vacuum apparatus, the vacuum chuck has an annular groove on an outer circumference thereof, the annular groove is provided with a partition rib which divides the annular groove into two regions, one region is provided with the vent holes on an inner wall of the annular groove as a vent region, and the other region is an airless region; the outer side of the annular groove is rotatably provided with a vacuum rotary table, the vacuum rotary table and the annular groove form a closed ventilation area and an airtight area, and the vacuum rotary table is provided with second air connectors the number of which is the same as that of the first air connectors of the lifting part.
3. The capping mechanism according to claim 1, wherein the side wall of the cam is provided with a cam groove, and the cam groove is correspondingly provided with a cap sucking point section, a cap sucking section and a cap pressing section; inhale the position that sets up of lid point section and be higher than the position that sets up of inhaling the lid section, the position that sets up of inhaling the lid section is higher than the gland section and sets up the position, through smooth curved groove intercommunication, with the gland section between the adjacent two stages the gland head is along with the different stage positions of lifting unit in the cam groove and is realized the lid and the gland of gland head.
4. The capping mechanism according to claim 1, wherein the lifting part comprises a carriage and a lifting rod, the carriage is mounted on the main shaft and rotates with the main shaft, a plurality of lifting rods are arranged on the outer circumference of the carriage at equal angles, the top of each lifting rod rotates along a cam groove on the cam, and the bottom of each lifting rod is provided with the capping head and the first air joint; the sliding frame is connected with the lifting rod in a sliding mode.
5. The capping mechanism according to claim 4, wherein the sliding block is provided with a sliding ring and a sliding block at the sliding connection position of the carriage and the lifting rod, the sliding block is provided with an inner side wall of the sliding ring, the lifting rod passes through the sliding ring and is provided with a sliding groove at the outer side corresponding to the sliding block, and the lifting rod is vertically displaced on the carriage through the sliding groove, the sliding block and the sliding ring.
6. The capping mechanism according to claim 1 wherein the capping head is provided at an inlet thereof with a guide opening having a diameter increasing from the inside to the outside and a positioning step inside the guide opening.
7. The capping mechanism of claim 1 wherein the vacuum device comprises a vortex blower and a blow tube; the vortex fan is communicated with the vacuum turntable through a pipeline to exhaust air, and an air source is distributed to the gland head through a ventilation area of the vacuum turntable.
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| CN202110081629.3A CN112810862B (en) | 2021-01-21 | 2021-01-21 | Capping mechanism of full-automatic capping machine |
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|---|---|
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