CN213202319U

CN213202319U - Sealing mechanism for bottle mouth and bottle cap

Info

Publication number: CN213202319U
Application number: CN202021466224.9U
Authority: CN
Inventors: 杨定俊
Original assignee: Chongqing Huisen Chiheng Medical Equipment Co ltd
Current assignee: Chongqing Huisen Chiheng Medical Equipment Co ltd
Priority date: 2020-07-22
Filing date: 2020-07-22
Publication date: 2021-05-14
Anticipated expiration: 2030-07-22

Abstract

The utility model relates to the technical field of sealing devices, in particular to a sealing mechanism for a bottle mouth and a bottle cap, which comprises a connecting frame connected with a cap sealing machine, wherein the middle part of the lower end of the connecting frame is provided with an extrusion piece; the connecting frame is circumferentially provided with a plurality of sealing parts, each sealing part comprises a supporting piece and a curling head, the upper end of each supporting piece is connected with the connecting frame, and the supporting pieces and the connecting frame are obliquely arranged; the lower end of the supporting piece is rotatably connected with the hemming head, and the connecting frame is provided with a driving part for driving the hemming head to rotate. Adopt this mechanism can conveniently seal, improve and seal efficiency and sealed effect.

Description

Sealing mechanism for bottle mouth and bottle cap

Technical Field

The utility model relates to a closing device technical field, concretely relates to a mechanism that seals for bottleneck and bottle lid.

Background

For some bottles, especially those in the medical field, it is necessary to close the cap after the bottle is filled with medicine to achieve a sealing effect. The bottle mouth and the bottle cap of the common bottle are mostly circular. The operation of covering the bottle cap on the bottle is mostly finished by a capping mechanism, a plurality of capping machines or cap screwing linkage machines are often required to put the bottle cap on the bottle after filling in the working process, then follow-up packaging is finished by a cap screwing process, and in the process, the capping machine can drive the capping mechanism to move downwards. In the prior art, a cover sealing mechanism is used for directly covering a bottle cover on a bottle opening without processing the edge of the bottle cover; the lower outer edge of the bottle cap is flash, and the sealing effect is poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a mechanism seals for bottleneck and bottle lid, adopt this mechanism can improve sealed effect.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a sealing mechanism for a bottle mouth and a bottle cap comprises a connecting frame connected with a capping machine, wherein an extrusion part is arranged in the middle of the lower end of the connecting frame; the connecting frame is circumferentially provided with a plurality of sealing parts, each sealing part comprises a supporting piece and a curling head, the upper end of each supporting piece is connected with the connecting frame, and the supporting pieces and the connecting frame are obliquely arranged; the lower end of the supporting piece is rotatably connected with the hemming head, and the connecting frame is provided with a driving part for driving the hemming head to rotate.

The principle and the beneficial effect of this scheme of adoption lie in: when the sealing mechanism of this scheme of adoption, the extruded article can support the bottle lid tightly in bottleneck department, then the portion of sealing seals. When the bottle is sealed, the crimping head rotates, the connecting frame moves downwards due to the fact that the supporting piece and the connecting frame are arranged in an inclined mode, the distance between the crimping head and the bottle cap is changed, and when the distance between the crimping head and the bottle cap is the shortest, the edge of the bottle cap is folded on the bottle opening to achieve a sealing effect.

When the closing cap mechanism in this scheme of adoption sealed, thereby the turn-up head rotates and prevents the overlap with folding over the edge of bottle lid on the bottleneck, improves sealed effect.

Furthermore, the device also comprises a positioning piece which is parallel to the supporting piece. The positioning piece can play a positioning role, the center of the bottle cap is ensured to be superposed with the center of the bottle mouth, and the influence of the bottle cap and the bottle mouth on the subsequent sealing effect is avoided.

Further, the quantity of setting element is a plurality of, and a plurality of setting elements evenly set up along link circumference, adopt a plurality of location can make the edge of bottle lid all offset with a plurality of setting elements, and then can guarantee the center department in the region that a plurality of setting elements enclose that the bottle lid is located, and positioning effect is better.

Further, the hemming head is in a circular truncated cone shape. When the curling head is in a round table shape, when the curling head rotates, one part of the curling head can be always in contact with the bottle cap and folds the bottle cap on the bottle mouth, so that the sealing effect is achieved.

Further, the extruded part includes extrusion pole and extrusion head, the extrusion pole upper end is connected with the link, the extrusion pole lower extreme is connected with the extrusion head, the extrusion head is round platform form, and the extrusion head main aspects is down. The extrusion head is in a round table shape, the contact area of the extrusion head and the bottle cap can be increased by downwards arranging the large end of the extrusion head, so that the bottle cap is more easily abutted to the bottle mouth and the abutting effect is better.

Furthermore, the lower end of the positioning piece is provided with a positioning block, and the positioning block is in a round table shape, and the small end of the positioning block faces downwards. The positioning block is in a round table shape, the small end of the positioning block faces downwards, the area from the area surrounded by the lower end of the positioning block to the area surrounded by the upper end of the positioning block is gradually reduced, and the edge of the bottle cap can be in contact with the positioning block in the positioning process to achieve the positioning effect.

Furthermore, the locating piece that the locating piece was made for the rubber material can be unlikely to damage the bottle lid when fixing a position the bottle lid.

Furthermore, the hemming head is detachably connected with the supporting piece, so that the hemming head can be conveniently replaced.

Furthermore, the crimping head is in threaded connection with the supporting piece, so that the crimping head is convenient to replace, the distance between the crimping head and the connecting frame can be adjusted by adjusting the length of the crimping head screwed into the supporting piece, and the sealing device is suitable for sealing bottle mouths with different heights.

Furthermore, the extrusion piece is in sliding fit with the connecting frame, and an elastic piece is arranged between the extrusion piece and the connecting frame. When the connecting frame moves downwards, the extrusion piece can be driven to move downwards together, and the elastic piece adjusts the pressure of the extrusion piece for tightly supporting the bottle cap at the bottle opening, so that the bottle cap or the bottle is prevented from being damaged due to overlarge stress.

Drawings

FIG. 1 is a front view of a first embodiment of a sealing mechanism for bottle mouth and bottle cap of the present invention

FIG. 2 is a schematic structural diagram of a driving portion according to a first embodiment;

fig. 3 is a partial cross-sectional view of a second embodiment of a sealing mechanism for a bottle mouth and a bottle cap according to the present invention.

Detailed Description

The following is further detailed by way of specific embodiments:

reference numerals in the drawings of the specification include: the device comprises a connecting frame 1, an extrusion rod 2, an extrusion head 3, a positioning piece 4, a positioning block 5, a crimping head 6, a supporting piece 7, a connecting column 8, a cavity 9, a spring 10, an air outlet 11, a piston 12, a bevel gear 13, a gear 14, a connecting shaft 15 and a limiting block 16.

The embodiment is basically as shown in the attached figures 1 and 2: a sealing mechanism for bottle mouth and bottle cap comprises a connecting frame 1 connected with a capping machine. The capping machine is a conventional one, and its specific structure is known to those skilled in the art, and will not be described herein. The connecting frame 1 is connected with the capping machine through bolts. The middle part of the lower end of the connecting frame 1 is provided with an extrusion piece; the connecting frame 1 is provided with a plurality of sealing parts in the circumferential direction. In this embodiment, the number of the sealing portions is three, each sealing portion includes a support member 7 and a crimping head 6, the upper end of the support member 7 is connected with the connecting frame 1 through a bolt, and the support member 7 and the connecting frame 1 are arranged obliquely. The present embodiment further includes a driving portion for driving the hemming head 6 to rotate, the driving portion includes a motor (not shown), a bevel gear 13, a bearing, a plurality of gears 14 and a plurality of connecting shafts 15, and the number of the gears 14 and the connecting shafts 15 is three. The connecting shaft 15 passes through the support 7 in the axial direction and is rotatably connected to the support 7 by a bearing. The middle of the connecting frame 1 is rotatably connected with a rotating shaft through a bearing, the middle of the rotating shaft is connected with a bevel gear 13 through a flat key, an output shaft of a motor is connected with the rotating shaft through the flat key, a gear 14 is meshed with the bevel gear 13, a connecting shaft 15 is connected with the gear 14 through the flat key, the upper part of the hemming head 6 is provided with threads, the lower part of the connecting shaft 15 is provided with threaded holes, and the hemming head 6 is in threaded connection with the connecting shaft 15. When the curling head 6 is in a circular truncated cone shape, when the curling head 6 rotates, a part of the curling head 6 can be in contact with the bottle cap and the edge of the bottle cap is folded on the bottle mouth, so that the sealing effect is achieved.

The sealing mechanism in this embodiment further includes positioning elements 4, the number of the positioning elements 4 is multiple, the positioning elements 4 are evenly arranged along the circumference of the connecting frame 1, the number of the positioning elements 4 is three in this embodiment, each positioning element corresponds to one supporting element, namely, each positioning element and one supporting element are located on the same radius of the connecting frame, and the positioning elements are parallel to the supporting elements corresponding to the positioning elements. Adopt a plurality of setting elements 4 can be so that the edge of bottle lid all offsets with a plurality of setting elements 4, and then can guarantee the center department in the region that a plurality of setting elements 4 enclose of bottle lid, ensure the center of bottle lid and the center coincidence of bottleneck, avoid bottle lid and bottleneck ectopic and influenced subsequent sealed effect who seals. The lower end of the positioning piece 4 is provided with a positioning block 5 made of rubber, and the positioning block 5 is clamped with the lower end of the positioning piece 4. The positioning block 5 is in a circular truncated cone shape, the small end of the positioning block 5 faces downwards, the area from the area surrounded by the lower end of the positioning block 5 to the area surrounded by the upper end of the positioning block 5 is gradually reduced, and the edge of the bottle cap can be in contact with the positioning block 5 in the positioning process to achieve the positioning effect.

The extruded article includes that extrusion stem 2 and

extrusion head

3, and 2 upper ends of extrusion stem pass through screw connection with link 1, 2 lower extremes of extrusion stem and 3 joints of extrusion head, and extrusion head 3 is the round platform form, and 3 main aspects of extrusion head down, can increase the area of contact of extrusion head 3 and bottle lid, make the bottle lid more easily supported tightly in bottleneck department and support tightly the effect better.

The specific implementation process is as follows: when the mechanism that seals of this embodiment of adoption seals, will treat the body that seals earlier and arrange the extruded article below in, then arrange the bottle lid in bottleneck department, three setting element 4 guarantees that the bottle lid is arranged in the center of three setting element 4, then the extruded article can support the bottle lid tightly in bottleneck department, then adopts the sealing portion to seal. When the bottle is sealed, the driving part drives the curling head 6 to rotate and folds the edge of the bottle cap on the bottle mouth in the rotating process so as to achieve the sealing effect.

Example two

As shown in fig. 3, the difference between the present embodiment and the first embodiment is that the present embodiment further includes a spring 10, a connection column 8 is disposed at the lower end of the connection frame 1, and one end of the connection column 8 is fixedly connected to the connection frame 1, and the connection mode is welding or bolt connection. The other end of the connecting column 8 is provided with a cavity 9, and a piston 12 is connected in the cavity 9 in a sealing and sliding manner. The spring 10 is positioned in the cavity 9, and two ends of the spring are respectively welded with the top wall of the cavity 9 and the upper end of the piston 12. The upper end of the extrusion rod 2 is clamped with a piston 12, the side wall of the connecting column 8 is provided with an air outlet 11, the air outlet 11 is communicated with the cavity 9, and the air outlet end of the air outlet 11 is connected with a whistle (not shown in the figure).

When the connecting frame 1 moves downwards, the extrusion part can be driven to move downwards together, and the spring 10 adjusts the pressure of the extrusion part for tightly supporting the bottle cap at the bottle mouth, so that the bottle cap or the bottle is prevented from being damaged due to overlarge stress. That is, if the bottle cap is under excessive pressure, the extrusion rod 2 pushes the piston 12 to move upwards, so that the spring 10 is compressed, the force of the extrusion rod 2 on the bottle cap is reduced, and when the piston 12 moves upwards, air in the air can be discharged through the air outlet 11 and blows a whistle, so that people can be reminded to adjust the downward movement distance of the connecting frame 1. A limiting block 16 is arranged at the lower part of the cavity 9, and the limiting block 16 and the connecting column 8 are integrally formed to prevent the extrusion rod 2 from sliding out of the cavity 9.

The above description is only an example of the present invention, and the detailed technical solutions and/or characteristics known in the solutions are not described too much here. It should be noted that, for those skilled in the art, without departing from the technical solution of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims

1. The utility model provides a mechanism that seals that is used for bottleneck and bottle lid which characterized in that: the connecting frame is connected with a capping machine, and an extrusion part is arranged in the middle of the lower end of the connecting frame; the connecting frame is circumferentially provided with a plurality of sealing parts, each sealing part comprises a supporting piece and a curling head, the upper end of each supporting piece is connected with the connecting frame, and the supporting pieces and the connecting frame are obliquely arranged; the lower end of the supporting piece is rotatably connected with the hemming head, and the connecting frame is provided with a driving part for driving the hemming head to rotate.

2. A closure mechanism for a bottle mouth and a bottle cap as claimed in claim 1, wherein: the positioning device further comprises a positioning piece, and the positioning piece is parallel to the supporting piece.

3. A closure mechanism for a bottle mouth and a bottle cap as claimed in claim 2, wherein: the quantity of setting element is a plurality of, and a plurality of setting elements evenly set up along link circumference.

4. A closure mechanism for a bottle mouth and a bottle cap as claimed in claim 1 or 3, wherein: the hemming head is in a round table shape.

5. A closure mechanism for a bottle mouth and a bottle cap as claimed in claim 4, wherein: the extrusion piece includes extrusion stem and extrusion head, the extrusion stem upper end is connected with the link, the extrusion stem lower extreme is connected with the extrusion head, the extrusion head is the round platform form, and the extrusion head main-end is down.

6. A closure mechanism for a bottle mouth and a bottle cap as claimed in claim 2 or 3, wherein: the locating piece lower extreme is equipped with the locating piece, the locating piece is round platform form and locating piece tip down.

7. A closure mechanism for a bottle mouth and a bottle cap as claimed in claim 6, wherein: the positioning block is made of rubber.

8. A closure mechanism for a bottle mouth and a bottle cap as claimed in claim 4, wherein: the hemming head is detachably connected with the supporting piece.

9. A closure mechanism for a bottle mouth and a bottle cap as claimed in claim 8, wherein: the crimping head is in threaded connection with the support member.

10. A closure mechanism for a bottle mouth and a bottle cap as claimed in claim 1 or 8, wherein: the extruded part is in sliding fit with the connecting frame, and an elastic part is arranged between the extruded part and the connecting frame.