CN218290394U - Cap screwing device of liquid filling machine - Google Patents
Cap screwing device of liquid filling machine Download PDFInfo
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- CN218290394U CN218290394U CN202223002722.XU CN202223002722U CN218290394U CN 218290394 U CN218290394 U CN 218290394U CN 202223002722 U CN202223002722 U CN 202223002722U CN 218290394 U CN218290394 U CN 218290394U
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Abstract
The utility model relates to a spiral cover device of liquid filling machine. The device comprises an integral lifting assembly, a follow-up longitudinal moving assembly, a rotary cover base, a rotary connection structure, a rotary driving structure, a clamping jaw assembly and a pressing assembly, wherein the follow-up longitudinal moving assembly is arranged on the integral lifting assembly; the clamping device also comprises a clamping cylinder; the clamping jaw assembly comprises a jaw flange plate, a plurality of groups of clamping jaw units are movably connected to the jaw flange plate, and the clamping jaw assembly also comprises a clamping jaw driving structure for driving the plurality of groups of clamping jaw units to be synchronously folded/expanded; the pressing assembly comprises a spring mounting flange, a pressing cover head and a pressing spring structure, wherein the pressing cover head is mounted on the spring mounting flange, and the pressing spring structure is mounted on the spring mounting flange. The utility model discloses can grasp different specification and dimension's bottle lid, then carry out stable spiral cover operation, break through traditional spiral cover mould and can only handle the bottle lid precession operation of single specification.
Description
Technical Field
The utility model belongs to the technical field of filling machinery, especially, relate to a liquid filling machine's spiral cover device.
Background
The filling is a key process for packaging liquid products, and common filling methods include a typical secondary filling method and a primary filling method, and sometimes a combined filling method is used. The main mechanical equipment for filling is the filling machine, which is a small product in the packaging machine and is widely used in the food industry, the beverage industry, the daily chemical industry and the like. From the packaging aspect of materials, the filling machine can be divided into a liquid filling machine, a paste filling machine, a powder filling machine and a granule filling machine. The filling machine can not only improve the labor productivity, reduce the loss of products and ensure the packaging quality, but also reduce the mutual pollution of the production environment and the materials to be filled.
The full-automatic filling machine for filling liquid materials into bottles mostly comprises a rack, a bottle conveying device, a bottle arranging and feeding device (the bottle arranging and feeding device has the functions of arranging bottles, feeding bottles and the like), a filling device, an upper cover device (the upper cover device places caps on bottle openings) and a cover screwing device (the cover screwing device screws caps on the bottle openings), after the bottle arranging and feeding device places the bottles on the bottle conveying device, the bottles are sequentially conveyed to the filling device by the bottle conveying device, the upper cover device, the cover screwing device performs material filling, the upper cover, the cover screwing device and other operations, and then the bottle conveying device is withdrawn at the rear end of the bottle conveying device. In the filling process, the cap screwing device is one of the main devices of the filling machine, and the working efficiency and the working quality are directly influenced.
With economic development, bottled products in various industries are more and more common. In order to achieve the effects of beauty and individuation, the shape of the bottle cap is not limited to the traditional round shape, and the bottle caps with irregular shapes are more and more applied, the existing bottle filling machines all adopt automatic operation, corresponding cap screwing molds need to be replaced aiming at the bottle caps with different specifications, so that the bottle caps are matched with the respective bottle cap shapes, the assembly is more complicated, the cap screwing torque is easy to be unstable due to installation errors, and adverse effects are caused on the installation of the bottle caps, and therefore a cap screwing device with strong applicability needs to be designed to solve the problems urgently.
SUMMERY OF THE UTILITY MODEL
The utility model provides a liquid filling machine's spiral cover device with reasonable structural design for solving the technical problem that exists among the well-known technology. The utility model is suitable for a spiral cover operation of the bottle lid of different specifications, the suitability is strong, can satisfy the demand of liquid filling machine to the installation of different specification bottle lids.
The utility model discloses a solve the technical scheme that technical problem that exists among the well-known technique took and be: a cap screwing device of a liquid filling machine comprises an integral lifting assembly, wherein a follow-up longitudinal moving assembly is arranged at the moving end of the integral lifting assembly, a cap screwing base is arranged at the moving end of the follow-up longitudinal moving assembly, a switching structure is rotatably connected onto the cap screwing base, a rotary driving structure capable of driving the switching structure to rotate is arranged on the switching structure, and a clamping jaw assembly and a pressing assembly are arranged at the lower end part of the switching structure; the clamping device also comprises a clamping cylinder for driving the clamping jaw assembly to clamp/release the bottle cap; the clamping jaw assembly comprises a jaw flange fixedly connected with the lower end part of the switching structure, a plurality of groups of clamping jaw units which are distributed at equal angles in the circumferential direction are movably connected to the jaw flange, and the clamping jaw assembly also comprises a clamping jaw driving structure for driving the lower end parts of the clamping jaw units to be synchronously folded/expanded; the pressing assembly comprises a spring mounting flange fixedly connected with the lower end part of the clamping jaw flange plate, a gland head positioned among the clamping jaw units is mounted on the spring mounting flange, and a pressing spring structure which is mounted on the spring mounting flange and used for pressing the gland head on the bottle cap is further included.
The utility model has the advantages that: the utility model provides a cap screwing device of a liquid filling machine, which can stably clamp bottle caps with different specifications and sizes by arranging a clamping jaw component comprising a jaw flange plate, a jaw unit and a jaw driving structure, and can adjust the longitudinal moving distance of the jaw driving structure to adjust the inward closing or outward expansion degree of each jaw unit so as to complete the adaptability to bottle caps with different sizes; through setting up the subassembly of pressing, can press the bottle lid downwards at the in-process of screwing, and then provide sufficient torsion and screw the bottle lid. The pressing spring structure in the pressing assembly has a certain damping effect, so that the impact force on the bottle cap when the cap screwing device is pressed down can be buffered, and the abrasion on the surface of the bottle cap is reduced; through setting up the rotation driving structure and moving the subassembly with following vertically, can drive centre gripping jack catch assembly and screw in towards the packing bottle when centre gripping jack catch assembly grips the bottle lid, and then realize the spiral cover operation. The utility model discloses can grasp different specification and dimension's bottle lid, then carry out stable spiral cover operation, break through traditional spiral cover mould and can only handle the bottle lid precession operation of single specification.
Preferably: the clamping jaw unit comprises a clamping jaw mounting seat which is hinged with a clamping jaw flange plate through a hinge pin shaft, a bottle clamping jaw is detachably connected to the lower end part of the clamping jaw mounting seat, and the upper end part of the clamping jaw mounting seat is connected with a clamping jaw driving structure; the inner end part of the bottle clamping claw is provided with a bottle clamping elastic part.
Preferably: the clamping jaw driving structure comprises a driving push rod connected with the extending end of the clamping cylinder, a driving connecting flange is mounted at the lower end portion of the driving push rod and located between the multiple groups of clamping jaw mounting seats, driving connecting rods are arranged between the driving connecting flange and each clamping jaw mounting seat, and two ends of each driving connecting rod are hinged to the driving connecting flange and the corresponding clamping jaw mounting seat respectively.
Preferably: the switching structure comprises a push rod mounting sleeve which is rotationally connected with the rotary cover base through a rolling bearing, and the clamping jaw driving structure is arranged in a central through hole of the push rod mounting sleeve in a penetrating manner; the clamping jaw flange plate is connected with the lower end part of the push rod mounting sleeve, and the rotary driving structure is connected with the upper end part of the push rod mounting sleeve; the clamping jaw driving mechanism further comprises a cylinder connecting flange arranged at the extending end of the clamping cylinder, and the cylinder connecting flange is connected with the upper end part of the clamping jaw driving structure; and a rotary bearing seat is arranged on the cylinder connecting flange and is rotationally connected with the clamping jaw driving structure through a rolling bearing.
Preferably: a mounting stepped groove is formed in the center of the spring mounting flange, and the pressing spring structure penetrates through the mounting stepped groove; the pressing spring structure comprises a gland rod which is arranged in the installation stepped groove in a penetrating mode, and a gland head is connected with the lower end portion of the gland rod; the installation ladder inslot is provided with the gland spring of wearing to establish on the gland pole, still includes the gland stopper that is located spring mounting flange's top installation at the top of gland pole.
Preferably: the whole lifting assembly comprises a lifting screw rod which is longitudinally arranged, a lifting mounting seat is connected to the lifting screw rod through a nut, a spiral cover mounting plate which is connected with the follow-up longitudinal moving assembly is mounted on the lifting mounting seat, the lifting assembly further comprises a screw motor which is used for driving the lifting screw rod to rotate, and the lifting assembly further comprises a lifting guide rod which is longitudinally arranged, and the lifting mounting seat is connected with the lifting guide rod in a sliding manner through a linear bearing.
Preferably: the follow-up longitudinal movement assembly comprises a longitudinal movement guide rail connected with the spiral cover mounting plate, a follow-up mounting seat is connected to the longitudinal movement guide rail in a sliding mode through a sliding block, and the follow-up mounting seat is connected with the spiral cover base; the servo-actuated air cylinder is used for driving the servo-actuated mounting seat to lift.
Preferably: the rotary driving structure comprises a rotary cover driving motor, and a rotary cover transmission pair is arranged between an output shaft of the rotary cover driving motor and the push rod mounting sleeve; the cap screwing transmission pair comprises a driving gear in key connection with an output shaft of the cap screwing driving motor and a driven gear which is arranged on the push rod mounting sleeve and is meshed with the driving gear.
Preferably: the lower end of the outer peripheral wall of the clamping jaw flange plate is provided with a plurality of groups of hinge mounting grooves which are distributed at equal angles in the circumferential direction, and each clamping jaw unit is respectively positioned in each hinge mounting groove; the peripheral wall of the spring mounting flange is provided with a plurality of groups of clamping jaws to avoid the grooves, and each clamping jaw avoids the groove to be correspondingly arranged with each hinged mounting groove.
Preferably: the lifting device also comprises a support with the bottom provided with a caster and a support leg, wherein the support is connected with a mounting bracket; the rotary driving structure is connected with the motor mounting frame, and the clamping cylinder is connected with the clamping cylinder seat.
Drawings
Fig. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic cross-sectional view of a part of the structure of the present invention;
fig. 3 is a schematic three-dimensional structure of the clamping jaw assembly of the present invention;
FIG. 4 is an internal structural schematic of the clamping jaw assembly of the present invention;
FIG. 5 is an enlarged schematic view of area A in FIG. 2;
fig. 6 is a schematic perspective view of a spring mounting flange according to the present invention;
fig. 7 is a schematic perspective view of the following longitudinal moving assembly of the present invention;
fig. 8 is a schematic perspective view of the overall lifting assembly of the present invention.
In the figure: 1. a caster wheel; 2. a support leg; 3. a support; 4. mounting a bracket; 5. an integral lifting assembly; 5-1, lifting guide rods; 5-2, lifting a screw rod; 5-3, screwing a cover mounting plate; 5-4, lifting mounting seats; 5-5, a screw motor; 6. a follow-up longitudinal movement component; 6-1, a follow-up mounting seat; 6-2, longitudinally moving a guide rail; 6-3, cylinder connecting rod; 6-4, a follow-up cylinder; 7. a cap-rotating drive motor; 8. a clamping cylinder; 9. a clamping cylinder base; 10. a switching structure; 10-1, connecting a flange with a cylinder; 10-2, rotating a bearing seat; 10-3, a push rod mounting sleeve; 11. a motor mounting bracket; 12. a cap screwing transmission pair; 13. a cap screwing base; 14. a clamping jaw assembly; 14-1, a jaw flange; 14-1-1, hinge mounting grooves; 14-2, a clamping jaw unit; 14-2-1, a bottle clamping elastic piece; 14-2-2, a bottle clamping claw; 14-2-3, hinge pin; 14-2-4, a jaw mounting seat; 14-3, a clamping jaw driving structure; 14-3-1, a drive link; 14-3-2, a drive connection flange; 14-3-3, driving the push rod; 15. a pressing assembly; 15-1, mounting a spring flange; 15-1-1, a jaw avoidance groove; 15-2, mounting a stepped groove; 15-3, pressing a cover head; 15-4, pressing a spring structure; 15-4-1, a gland rod; 15-4-2, a gland guide slide block; 15-4-3, a gland spring; 15-4-4 and a gland limiting block.
Detailed Description
In order to further understand the contents, features and effects of the present invention, the following embodiments are described in detail:
referring to fig. 1, the cap screwing device of a liquid filling machine of the present invention includes a support 3 having casters 1 and support legs 2 mounted at the bottom thereof, a mounting bracket 4 connected to the support 3, and an integral lifting assembly 5 mounted on the mounting bracket 4. Further referring to fig. 8, the integral lifting assembly 5 comprises a lifting screw 5-2 arranged longitudinally, and the lifting screw 5-2 is rotatably connected with the mounting bracket 4 through a rolling bearing. The lifting screw 5-2 is connected with a lifting mounting seat 5-4 through a nut, the lifting mounting seat 5-4 is provided with a screw cover mounting plate 5-3, the mounting bracket 4 is provided with a screw motor 5-5 for driving the lifting screw 5-2 to rotate, the integral lifting assembly 5 further comprises a lifting guide rod 5-1 which is longitudinally arranged, and the lifting mounting seat 5-4 is in sliding connection with the lifting guide rod 5-1 through a linear bearing.
As shown in FIG. 1, the present embodiment further comprises a following longitudinal movement assembly 6 mounted at the moving end of the integral lifting assembly 5, a cap rotating base 13 mounted at the moving end of the following longitudinal movement assembly 6, a motor mounting frame 11 and a clamping cylinder seat 9 mounted on the cap rotating base 13, wherein the clamping cylinder seat 9 is connected with the motor mounting frame 11 through a strut
As shown in fig. 7, the follow-up longitudinal movement assembly 6 comprises a longitudinal movement guide rail 6-2 connected with the screw cap mounting plate 5-3, a follow-up mounting seat 6-1 is connected on the longitudinal movement guide rail 6-2 through a sliding block in a sliding manner, and the follow-up mounting seat 6-1 is connected with the screw cap base 13; the device also comprises a follow-up cylinder 6-4 for driving the follow-up mounting seat 6-1 to lift, and a cylinder barrel of the follow-up cylinder 6-4 is connected with the spiral cover mounting plate 5-3. For convenience in installation, a cylinder connecting rod 6-3 is installed at the extending end of the follow-up cylinder 6-4, and the cylinder connecting rod 6-3 is connected with the follow-up installation seat 6-1.
As shown in fig. 1, the present embodiment further includes an adapting structure 10 rotatably connected to the screw cap base 13, and a rotation driving structure capable of driving the adapting structure 10 to rotate is installed on the adapting structure 10, wherein the rotation driving structure includes a screw cap driving motor 7 installed on a motor installation frame 11, and a screw cap transmission pair 12 is installed between an output shaft of the screw cap driving motor 7 and the adapting structure 10. In this embodiment, the cap-rotating transmission pair 12 includes a driving gear keyed to the output shaft of the cap-rotating driving motor 7, and further includes a driven gear mounted on the adapter structure 10 and engaged with the driving gear. The cap screwing transmission pair 12 can also adopt a belt wheel transmission pair. The cover-rotating driving motor 7 is started to drive the switching structure 10 to rotate.
A clamping jaw assembly 14 and a pressing assembly 15 are arranged at the lower end part of the adapting structure 10; the clamping device also comprises a clamping cylinder 8 for driving the clamping jaw assembly 14 to clamp/release the bottle cap; the clamping cylinder 8 is connected with a clamping cylinder seat 9.
As shown in fig. 2, in the present embodiment, the clamping jaw assembly 14 includes a jaw flange 14-1 fixedly connected to the lower end portion of the adapting structure 10, a plurality of sets of jaw units 14-2 distributed at equal angles in the circumferential direction are movably connected to the jaw flange 14-1, and a jaw driving structure 14-3 for driving the lower end portions of the plurality of sets of jaw units 14-2 to synchronously close/expand.
Further, as shown in fig. 2 and 3, a plurality of sets of hinge mounting grooves 14-1-1 distributed at equal angles in the circumferential direction are formed in the lower end of the outer circumferential wall of the jaw flange 14-1, and each jaw unit 14-2 is located in each hinge mounting groove 14-1-1; a cylindrical notch is formed in the center of the jaw flange 14-1, and the jaw driving structure 14-3 is located in the cylindrical notch and can move longitudinally. The pressing member 15 is connected to the lower end opening of the jaw flange 14-1.
As shown in fig. 4, in this embodiment, three sets of jaw units 14-2 are provided, each jaw unit 14-2 includes a jaw mounting seat 14-2-4, each jaw mounting seat 14-2-4 is hinged to a jaw flange 14-1 through a hinge pin 14-2-3 transversely disposed, each jaw mounting seat 14-2-4 is located in the hinge mounting groove 14-1-1 and can freely rotate around the hinge pin in the hinge mounting groove 14-1-1, a bottle clamping jaw 14-2-2 is detachably connected to a lower end of each jaw mounting seat 14-2-4, each bottle clamping jaw 14-2-2 is L-shaped, a bottle clamping elastic member 14-2-1 is mounted at an inner end of each bottle clamping jaw 14-2-2, in this embodiment, the bottle clamping elastic member 14-2-1 is made of rubber, and an inner end surface of each bottle clamping elastic member 14-2-1 is arc-shaped and is adapted to an outer peripheral wall of a packaging bottle. The upper end of jaw mounting 14-2-4 is connected to jaw drive structure 14-3. In the actual working process, the clamping jaw driving structure 14-3 can drive the inner end parts of the bottle clamping jaws 14-2-2 to be synchronously folded/expanded, so that the aim of clamping/releasing the bottle cap is fulfilled.
As shown in figure 4, the clamping jaw driving structure 14-3 comprises a driving push rod 14-3-3 connected with the extending end of the clamping cylinder 8, a driving connecting flange 14-3-2 is installed at the lower end portion of the driving push rod 14-3-3, the driving connecting flange 14-3-2 is located in a cylindrical groove formed in the center of the clamping jaw flange 14-1 and located among a plurality of groups of clamping jaw mounting seats 14-2-4, a driving connecting rod 14-3-1 is arranged between the driving connecting flange 14-3-2 and each clamping jaw mounting seat 14-2-4, and two ends of the driving connecting rod 14-3-1 are hinged to the driving connecting flange 14-3-2 and the corresponding clamping jaw mounting seat 14-2-4 respectively.
In the actual working process, when the driving connecting flange 14-3-2 moves downwards, the upper end parts of a plurality of groups of claw mounting seats 14-2-4 can be driven to synchronously expand outwards, and as the middle parts of the claw mounting seats 14-2-4 are hinged with the claw flange plates 14-1, the driving connecting flange 14-3-2 moving downwards can drive the lower end parts of a plurality of claw mounting seats 14-2-4 to synchronously draw close inwards, so as to drive the lower end parts of all bottle clamping claws 14-2 to synchronously draw close, so as to clamp the peripheral wall of a bottle cap between the plurality of groups of bottle clamping claws 14-2-2; on the contrary, the driving connecting flange 14-3-2 moves upwards to drive the upper ends of the plurality of groups of jaw mounting seats 14-2-4 to approach each other, and as the middle parts of the jaw mounting seats 14-2-4 are hinged with the jaw flange 14-1, the driving connecting flange 14-3-2 moving upwards can drive the lower ends of the jaw mounting seats 14-2-4 to synchronously expand outwards, so as to drive the lower ends of the bottle clamping jaws 14-2-2 to synchronously expand outwards, so as to release the clamping operation on the bottle cap. In the actual working process, the longitudinal movement distance of the driving connecting flange 14-3-2 can be adjusted to adjust the inward approaching or outward expanding degree of each bottle clamping claw 14-2-2, so as to clamp/release bottle caps with different sizes; in addition, when the bottle caps with different peripheral surfaces need to be screwed, the bottle clamping elastic piece 14-2-1 matched with the peripheral surfaces of the bottle caps can be replaced, so that the screwing device can clamp the bottle caps with different specifications and sizes.
With further reference to fig. 2, in the present embodiment, the adapting structure 10 includes a push rod mounting sleeve 10-3 rotatably connected to the screw cap base 13 through a rolling bearing, a driving push rod 14-3-3 in the jaw driving structure 14-3 is inserted into a central through hole of the push rod mounting sleeve 10-3, and the driving push rod 14-3-3 and the push rod mounting sleeve 10-3 can move relatively in an axial direction. The jaw flange 14-1 and the lower end part of the push rod mounting sleeve 10-3 are detachably connected through screws, and a driven gear in the rotary driving structure is connected with the upper end part of the push rod mounting sleeve 10-3. The adapter structure 10 further comprises a cylinder connecting flange 10-1 connected with the extending end of the clamping cylinder 8, the cylinder connecting flange 10-1 is connected with the upper end part of the clamping jaw driving structure 14-3, namely a copper sleeve is sleeved at the center of the cylinder connecting flange 10-1, and the driving push rod 14-3-3 is rotatably connected with the copper sleeve; a rotary bearing seat 10-2 is mounted on the cylinder connecting flange 10-1, and the rotary bearing seat 10-2 is rotatably connected with a driving push rod 14-3-3 in a clamping jaw driving structure 14-3 through a rolling bearing. Through the arrangement, the clamping cylinder 8 is started to drive the driving push rod 14-3-3 to move axially relative to the push rod mounting sleeve 10-3, and further drive the driving connecting flange 14-3-2 to move longitudinally, so that the aim of clamping/releasing the bottle cap is fulfilled. Under the transmission action of the cap screwing transmission pair 12, the cap screwing driving motor 7 is started to drive the push rod mounting sleeve 10-3 to rotate, so as to drive the clamping jaw assembly 14 to synchronously rotate with the push rod mounting sleeve 10-3, the rotating clamping jaw assembly 14 can drive the bottle cap clamped by the clamping jaw assembly to synchronously rotate, the follow-up longitudinal movement assembly 6 is started while the clamping jaw assembly 14 rotates to drive the cap screwing base 13 to slowly move in the vertical direction at a constant speed, so that the bottle cap clamped by the clamping jaw assembly 14 can gradually screw in towards the bottle mouth of the packaging bottle after being aligned with the bottle mouth of the packaging bottle, and the cap screwing operation is further realized; the integral lifting assembly 5 in this embodiment can drive the follow-up longitudinal movement assembly 6 and the cap screwing base 13 to integrally and longitudinally move to a waiting position, so that the linear conveying device can conveniently convey the packaging bottles to the cap screwing station of the cap screwing device.
Further referring to fig. 2, the pressing assembly 15 includes a spring mounting flange 15-1 fixedly connected to a lower end portion of the jaw flange 14-1, and further referring to fig. 6, a plurality of sets of jaw avoiding grooves 15-1-1 are formed in an outer circumferential wall of the spring mounting flange 15-1, and each jaw avoiding groove 15-1-1 is arranged corresponding to each hinge mounting groove 14-1-1. As shown in fig. 2, a capping head 15-3 positioned between the groups of clamping jaw units 14-2 is arranged on the spring mounting flange 15-1, and a pressing spring structure 15-4 arranged on the spring mounting flange 15-1 and used for pressing the capping head 15-3 on the bottle cap is further included.
Referring to fig. 5, a mounting stepped groove 15-2 is formed at the center of the spring mounting flange 15-1, and the pressing spring structure 15-4 is inserted into the mounting stepped groove 15-2. The pressing spring structure 15-4 comprises a gland rod 15-4-1 arranged in the installation stepped groove 15-2 in a penetrating mode, and a gland head 15-3 is connected with the lower end portion of the gland rod 15-4-1; a gland spring 15-4-3 arranged on the gland rod 15-4-1 in a penetrating way is arranged in the mounting stepped groove 15-2, and a gland limiting block 15-4-4 arranged at the top of the gland rod 15-4-1 and positioned above the spring mounting flange 15-1 is also included. The pressing spring structure 15-4 further comprises a gland guide sliding block 15-4-2 connected to the gland rod 15-4-1, and the gland guide sliding block 15-4-2 is in sliding contact with the installation stepped groove 15-2; two ends of the gland spring 15-4-3 are respectively and tightly contacted with the top of the gland guide slide block 15-4-2 and the mounting stepped groove 15-2. By arranging the pressing assembly 15, the bottle cap can be pressed downwards in the screwing process, and then sufficient torque force is provided for screwing the bottle cap. And the pressing spring structure 15-4 in the pressing assembly 15 has a certain shock absorption effect, so that the impact force on the bottle cap when the cap screwing device is pressed down can be buffered, and the abrasion on the surface of the bottle cap is reduced.
The working process is as follows:
in the actual working process, the cap screwing device of the utility model can be used in cooperation with the linear transmission device and the bottle body clamping and positioning device of the packaging bottle; before the cap screwing operation is carried out, the integral lifting assembly 5 drives the follow-up longitudinal moving assembly 6 and the cap screwing base 13 to integrally move upwards to a waiting position so as to facilitate the linear transmission device to transmit the packaging bottle to a cap screwing station of the cap screwing device;
after the packaging bottles are conveyed to a cap screwing station, the integral lifting assembly 5 drives the follow-up longitudinal moving assembly 6 and the cap screwing base 13 to integrally move downwards for a preset distance, in the downward moving process, a piston rod of the clamping cylinder 8 retracts to drive the connecting flange 14-3-2 to move upwards, the upper ends of the plurality of groups of jaw mounting seats 14-2-4 are driven to mutually approach, the lower ends of the jaw mounting seats 14-2-4 can be driven to synchronously expand outwards, the lower ends of the bottle clamping jaws 14-2-2 are driven to synchronously expand outwards, and the clamping jaw assemblies 14 are enabled to be in an open state; when the clamping jaw assemblies 14 descend to the position where a bottle cap enters a plurality of clamping jaw units 14-2, piston rods of the clamping cylinders 8 stretch out to drive the driving connecting flanges 14-3-2 to move downwards to drive the upper end parts of a plurality of groups of clamping jaw installation seats 14-2-4 to synchronously expand, so that the lower end parts of the clamping jaw installation seats 14-2-4 can be driven to synchronously draw close inwards, the lower end parts of the bottle clamping jaws 14-2-2 are driven to synchronously draw close inwards, the bottle cap is clamped by each clamping jaw unit 14-2, meanwhile, the clamping jaw assemblies 14 are driven to rotate by starting the cap screwing driving motor 7, so that cap screwing operation is realized, and the clamping jaw assemblies 14 continuously descend for a certain distance under the action of the following longitudinal moving assemblies 6 to compensate the downward moving distance of the bottle cap rotation while the bottle cap is screwed by the clamping jaw assemblies 14;
in the process of screwing the cap, the pressing component 15 is tightly contacted with the top surface of the bottle cap in a propping manner, and downward pressure is applied to the bottle cap, so that the tightness of the bottle cap after being screwed with the bottle body is increased; after the bottle cap is screwed tightly, the piston rod of the clamping cylinder 8 retracts to drive the connecting flange 14-3-2 to move upwards, so that the clamping jaw unit 14-2 loosens the bottle cap, the integral lifting assembly 5 drives the follow-up longitudinal moving assembly 6 and the cap screwing base 13 to integrally move upwards to reset, and a cap screwing process is completed.
Claims (10)
1. The utility model provides a spiral cover device of liquid filling machine which characterized by: the device comprises an integral lifting assembly (5), wherein a follow-up longitudinal moving assembly (6) is installed at the moving end of the integral lifting assembly (5), a rotary cover base (13) is installed at the moving end of the follow-up longitudinal moving assembly (6), a switching structure (10) is rotatably connected onto the rotary cover base (13), a rotary driving structure capable of driving the switching structure to rotate is installed on the switching structure (10), and a clamping jaw assembly (14) and a pressing assembly (15) are installed at the lower end part of the switching structure (10); the clamping device also comprises a clamping cylinder (8) for driving the clamping jaw assembly (14) to clamp/release the bottle cap;
the clamping jaw assembly (14) comprises a jaw flange plate (14-1) fixedly connected with the lower end part of the switching structure (10), a plurality of groups of clamping jaw units (14-2) which are distributed at equal angles in the circumferential direction are movably connected to the jaw flange plate (14-1), and the clamping jaw assembly further comprises a clamping jaw driving structure (14-3) which is used for driving the lower end parts of the clamping jaw units (14-2) to be synchronously folded/expanded;
the pressing assembly (15) comprises a spring mounting flange (15-1) fixedly connected with the lower end part of the jaw flange plate (14-1), a pressing cover head (15-3) positioned among a plurality of groups of jaw units (14-2) is mounted on the spring mounting flange (15-1), and a pressing spring structure (15-4) mounted on the spring mounting flange (15-1) and used for pressing the pressing cover head (15-3) on the bottle cover.
2. A cap screwing device for a liquid filling machine as defined in claim 1, wherein: the clamping jaw unit (14-2) comprises a clamping jaw mounting seat (14-2-4) which is hinged with a clamping jaw flange plate (14-1) through a hinge pin shaft (14-2-3), a bottle clamping jaw (14-2-2) is detachably connected to the lower end part of the clamping jaw mounting seat (14-2-4), and the upper end part of the clamping jaw mounting seat (14-2-4) is connected with a clamping jaw driving structure (14-3); the inner end part of the bottle clamping claw (14-2-2) is provided with a bottle clamping elastic piece (14-2-1).
3. A cap screwing device for a liquid filling machine as claimed in claim 2, wherein: the clamping jaw driving structure (14-3) comprises a driving push rod (14-3-3) connected with the extending end of the clamping cylinder (8), a driving connecting flange (14-3-2) is installed at the lower end portion of the driving push rod (14-3-3), the driving connecting flange (14-3-2) is located among a plurality of groups of clamping jaw installation seats (14-2-4), a driving connecting rod (14-3-1) is arranged between the driving connecting flange (14-3-2) and each clamping jaw installation seat (14-2-4), and two ends of the driving connecting rod (14-3-1) are hinged to the driving connecting flange (14-3-2) and the corresponding clamping jaw installation seat (14-2-4) respectively.
4. A cap screwing apparatus for a liquid filling machine as defined in claim 1, wherein: the switching structure (10) comprises a push rod mounting sleeve (10-3) which is rotationally connected with the screw cap base (13) through a rolling bearing, and the clamping jaw driving structure (14-3) is arranged in a central through hole of the push rod mounting sleeve (10-3) in a penetrating mode; the jaw flange (14-1) is connected with the lower end part of the push rod mounting sleeve (10-3), and the rotary driving structure is connected with the upper end part of the push rod mounting sleeve (10-3); the clamping jaw clamping device further comprises a cylinder connecting flange (10-1) mounted at the extending end of the clamping cylinder (8), and the cylinder connecting flange (10-1) is connected with the upper end of the clamping jaw driving structure (14-3); a rotary bearing seat (10-2) is arranged on the cylinder connecting flange (10-1), and the rotary bearing seat (10-2) is rotationally connected with a clamping jaw driving structure (14-3) through a rolling bearing.
5. A cap screwing apparatus for a liquid filling machine as defined in claim 1, wherein: a mounting stepped groove (15-2) is formed in the center of the spring mounting flange (15-1), and the pressing spring structure (15-4) penetrates through the mounting stepped groove (15-2); the pressing spring structure (15-4) comprises a gland rod (15-4-1) which is arranged in the installation stepped groove (15-2) in a penetrating mode, and a gland head (15-3) is connected with the lower end portion of the gland rod (15-4-1); a gland spring (15-4-3) which is arranged on the gland rod (15-4-1) in a penetrating way is arranged in the mounting stepped groove (15-2), and a gland limiting block (15-4-4) which is arranged at the top of the gland rod (15-4-1) and is positioned above the spring mounting flange (15-1) is also included.
6. A cap screwing apparatus for a liquid filling machine as defined in claim 1, wherein: the integral lifting assembly (5) comprises a lifting screw rod (5-2) which is longitudinally arranged, a lifting mounting seat (5-4) is connected onto the lifting screw rod (5-2) through a nut, a spiral cover mounting plate (5-3) which is connected with a follow-up longitudinal moving assembly (6) is mounted onto the lifting mounting seat (5-4), a screw motor (5-5) which is used for driving the lifting screw rod (5-2) to rotate is further included, a lifting guide rod (5-1) which is longitudinally arranged is further included, and the lifting mounting seat (5-4) is in sliding connection with the lifting guide rod (5-1) through a linear bearing.
7. A cap screwing device for liquid filling machine as claimed in claim 6, wherein: the follow-up longitudinal movement assembly (6) comprises a longitudinal movement guide rail (6-2) connected with the spiral cover mounting plate (5-3), a follow-up mounting seat (6-1) is connected to the longitudinal movement guide rail (6-2) in a sliding mode through a sliding block, and the follow-up mounting seat (6-1) is connected with the spiral cover base (13); the device also comprises a follow-up cylinder (6-4) for driving the follow-up mounting seat (6-1) to lift.
8. A cap screwing apparatus for a liquid filling machine as defined in claim 4, wherein: the rotary driving structure comprises a cap screwing driving motor (7), and a cap screwing transmission pair (12) is arranged between an output shaft of the cap screwing driving motor (7) and the push rod mounting sleeve (10-3); the cap screwing transmission pair (12) comprises a driving gear in key connection with an output shaft of the cap screwing driving motor (7) and a driven gear which is arranged on the push rod mounting sleeve (10-3) and is meshed with the driving gear.
9. A cap screwing apparatus for a liquid filling machine as defined in claim 1, wherein: a plurality of groups of hinge mounting grooves (14-1-1) which are distributed at equal angles in the circumferential direction are formed in the lower end of the outer circumferential wall of the clamping jaw flange plate (14-1), and each clamping jaw unit (14-2) is respectively positioned in each hinge mounting groove (14-1-1); a plurality of groups of jaw avoiding grooves (15-1-1) are formed in the peripheral wall of the spring mounting flange (15-1), and each jaw avoiding groove (15-1-1) is arranged corresponding to each hinge mounting groove (14-1-1).
10. A cap screwing device for a liquid filling machine as claimed in any one of claims 1 to 9, wherein: the lifting device is characterized by also comprising a support (3) with the bottom provided with a caster (1) and a support leg (2), wherein the support (3) is connected with a mounting bracket (4), and the integral lifting assembly (5) is connected with the mounting bracket (4); the rotary cover is characterized by further comprising a motor mounting frame (11) and a clamping cylinder seat (9) which are arranged on the rotary cover base (13), wherein the rotary driving structure is connected with the motor mounting frame (11), and the clamping cylinder (8) is connected with the clamping cylinder seat (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223002722.XU CN218290394U (en) | 2022-11-09 | 2022-11-09 | Cap screwing device of liquid filling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223002722.XU CN218290394U (en) | 2022-11-09 | 2022-11-09 | Cap screwing device of liquid filling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218290394U true CN218290394U (en) | 2023-01-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223002722.XU Active CN218290394U (en) | 2022-11-09 | 2022-11-09 | Cap screwing device of liquid filling machine |
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| Country | Link |
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| CN (1) | CN218290394U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117003184A (en) * | 2023-10-07 | 2023-11-07 | 特丝丽化工有限公司 | Sealing device for bottled detergent production |
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2022
- 2022-11-09 CN CN202223002722.XU patent/CN218290394U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117003184A (en) * | 2023-10-07 | 2023-11-07 | 特丝丽化工有限公司 | Sealing device for bottled detergent production |
| CN117003184B (en) * | 2023-10-07 | 2023-12-26 | 特丝丽化工有限公司 | Sealing device for bottled detergent production |
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