CN220926257U

CN220926257U - Self-buffering gland mechanism

Info

Publication number: CN220926257U
Application number: CN202322571583.0U
Authority: CN
Inventors: 王留凯
Original assignee: KUNSHAN LIGU WEIGHING INDUSTRIAL CO LTD
Current assignee: KUNSHAN LIGU WEIGHING INDUSTRIAL CO LTD
Priority date: 2023-09-21
Filing date: 2023-09-21
Publication date: 2024-05-10
Anticipated expiration: 2033-09-21

Abstract

The application relates to a self-buffering type gland mechanism which comprises a driving assembly, a fixing plate, a buffering assembly, a floating piece and a gland head, wherein the buffering assembly comprises an elastic piece and a buffering cavity, the driving assembly is fixedly connected with the fixing plate, the driving assembly can drive the fixing plate to operate, the buffering cavity is fixedly arranged on the fixing plate, the elastic piece is arranged in the buffering cavity, the floating piece is movably arranged in the buffering cavity, the gland head is arranged in the floating piece, when external force acts on the gland head, the gland head can operate in the buffering cavity through the floating piece and compress the elastic piece, and after the external force disappears, the elastic piece can enable the floating piece and the gland head to reset. The gland mechanism utilizes the universal ball head and combines the buffer component, so that the gland head has a buffer function, the gland success rate and the gland efficiency are improved, and the application occasions are wider.

Description

Self-buffering gland mechanism

Technical Field

The application relates to a capping technology of a liquid filling production line, in particular to a self-buffering capping mechanism.

Background

On the liquid filling production line, in order to improve filling efficiency, an automatic capping mechanism is generally adopted to press the cover body on the barrel opening of the barrel body, but the existing capping mechanism cannot compensate for the deviation of the barrel height and the barrel opening, so that when in capping, the upper surface of the barrel body is deformed due to the fact that the capping cannot be in place or the capping force is large due to inaccurate positioning, and the defect of products is caused.

Disclosure of utility model

In order to overcome the defects, the application provides the self-buffering type gland mechanism, which utilizes the universal ball head and combines the buffering component, so that the gland head has the buffering function, the gland success rate and the gland efficiency are improved, and the application occasions are wider.

The technical scheme adopted by the application for solving the technical problems is as follows:

The utility model provides a from buffering formula gland mechanism, includes drive assembly, fixed plate, buffer assembly, floating piece and gland head, buffer assembly includes elastic component and buffering cavity, drive assembly fixed connection the fixed plate just drive assembly can drive the fixed plate operation, buffering cavity fixed mounting in on the fixed plate, the elastic component install in the buffering cavity, the floating piece movably install in the buffering cavity, the gland head install in the floating piece, when external force acts on the gland head, the gland head can pass through the floating piece is in operation and compression in the buffering cavity the elastic component, after external force disappears, the elastic component can make floating piece with the gland head resets.

Optionally, the gland head is connected to the floating member by a universal ball head.

Optionally, the first end of the gland head is embedded into the universal ball head, the second end of the gland head is provided with a vacuum chuck, and the gland head is provided with an air inlet communicated with the vacuum chuck.

Optionally, the device further comprises a negative pressure assembly, wherein the negative pressure assembly comprises a negative pressure generator and a negative pressure pipe, a first end of the negative pressure pipe is connected with the negative pressure generator, and a second end of the negative pressure pipe is connected with the air inlet.

Optionally, the floating piece is a cylindrical structure with openings at the upper end and the lower end, the upper opening end of the floating piece extends radially outwards to form a circle of first bosses, and the lower opening end of the floating piece extends radially inwards to form a circle of second bosses.

Optionally, the universal ball head is axially fixedly mounted at the lower open end of the floating member.

Optionally, the upper end of the elastic piece abuts against the buffer cavity, and the lower end of the elastic piece abuts against the second boss.

Optionally, the buffering cavity includes fixed connection's last cavity and lower cavity, go up cavity and cavity concatenation back down and form the cavity, the elastic component install in the cavity.

Optionally, the upper end of the upper cavity is fixedly installed on the fixing plate, the lower end of the upper cavity is fixedly connected to the upper end of the lower cavity, and the lower end of the lower cavity extends radially inwards to form a third boss.

Optionally, the driving assembly comprises a driving cylinder or a linear motor, and the elastic member comprises a metal elastic member, a plastic elastic member or a rubber elastic member.

The beneficial effects of the application are as follows:

1) According to the application, due to the existence of the buffer component and the floating piece, the gland head can be finely adjusted upwards, so that the situation that the barrel body is damaged due to the fact that the cover body is not pressed tightly or the gland is overweight caused by the height errors of the material barrels in different batches is overcome. The application can accurately press the cover body on the barrel body, and ensure that the barrel body has perfect appearance and no damage and deformation after the cover pressing is finished, so that the appearance of the product is more perfect.

2) According to the application, the cover pressing head can rotate in multiple angles through the universal ball head, so that the position deviation of the bung hole caused by different bung hole positioning or production batches is compensated, and the cover body is accurately pressed into the bung hole. According to the application, the universal ball head is combined with the buffer component, so that the gland head has a buffer function, thereby compensating the gland failure factor caused by the four-way deviation of the plane of the barrel mouth and the height deviation of the barrel mouth, improving the gland success rate and the gland efficiency, being applicable to various barrel mouths with deviation values in barrel shapes and multiple batches, and being more widely applicable to occasions.

Drawings

FIG. 1 is a schematic diagram of a capping mechanism according to the present application;

FIG. 2 is an enlarged view of FIG. 1 at A;

FIG. 3 is a second schematic view of the medium pressure cover mechanism of the present application;

In the figure: 10-driving components, 20-fixing plates, 30-buffer components, 31-elastic components, 32-upper cavities, 33-lower cavities, 34-third bosses, 40-floating components, 41-first bosses, 42-second bosses, 50-capping heads, 51-air inlets, 52-vacuum chucks, 60-universal ball heads and 70-caps.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below in connection with the embodiments of the present application. It should be apparent that the described embodiments of the application are only some, but not all embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.

It should be noted that the terms "first," "second," and the like in the description and claims of the present application and in the following figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the objects so used may be interchanged where appropriate to enable the embodiments of the application described herein to be practiced otherwise than as illustrated or described. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

Spatially relative terms, such as "above … …," "above … …," "upper surface on … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

Examples: as shown in fig. 1-3, a self-buffering gland mechanism comprises a driving assembly 10, a fixing plate 20, a buffering assembly 30, a floating member 40 and a gland head 50, wherein the buffering assembly 30 comprises an elastic member 31 and a buffering cavity, the driving assembly 10 is fixedly connected with the fixing plate 20, the driving assembly 10 can drive the fixing plate 20 to operate, the buffering cavity is fixedly installed on the fixing plate 20, the elastic member 31 is installed in the buffering cavity, the floating member 40 is movably installed in the buffering cavity, the gland head 50 is installed in the floating member 40, when external force acts on the gland head 50, the gland head 50 can operate in the buffering cavity through the floating member 40 and compress the elastic member 31, and when the external force disappears, the elastic member 31 can reset the floating member 40 and the gland head 50.

When the capping mechanism is operated, the capping body 70 is adsorbed in the capping storage area, and after the material barrel reaches the capping position, the capping mechanism is operated to the capping position under the action of the external mechanism, and the driving assembly 10 drives the capping head 50 to move downwards so as to press the capping body 70 on the barrel mouth of the material barrel, so that the capping mechanism can complete the operations of sucking the capping body 70 and pressing the capping body 70 on the barrel mouth of the barrel body, and is convenient to use. The driving assembly 10 is installed on a rack, the rack is not shown in the figure, the driving assembly 10 can drive the fixing plate 20 to move up and down, the buffer assembly 30, the floating piece 40 and the gland head 50 synchronously move, when the driving assembly 10 drives the gland head 50 to the bung hole of the material barrel and presses the cover body 70 on the bung hole, the gland head 50 can finely adjust the position upwards due to the existence of the buffer assembly 30 and the floating piece 40, so that the situation that the cover body is not pressed firmly or the gland is overweight due to the height error of the material barrels in different batches, and the barrel body is damaged is overcome. The application can accurately press the cover body on the barrel body, and ensure that the barrel body has perfect appearance and no damage and deformation after the cover pressing is finished, so that the appearance of the product is more perfect.

As shown in fig. 1-3, the crimp head 50 is coupled to the float member 40 by a universal ball head 60. Therefore, the capping head 50 can rotate in multiple angles through the universal ball head 60, so that the position deviation of the bung hole caused by different bung hole positioning or production batches is compensated, and the cap body is accurately pressed into the bung hole position.

According to the application, the universal ball head is combined with the buffer component, so that the gland head has a buffer function, thereby compensating gland failure factors caused by four-way deviation of a barrel opening plane and barrel height deviation, improving gland success rate and gland efficiency, being applicable to various barrel openings with deviation values in multiple batches and having wider application occasions.

As shown in fig. 1, a first end of the capping head 50 is embedded in the universal ball head 60, a second end of the capping head 50 is provided with a vacuum chuck 52, and the capping head 50 is provided with an air inlet 51 communicated with the vacuum chuck 52.

The application further comprises a negative pressure assembly comprising a negative pressure generator and a negative pressure tube, a first end of the negative pressure tube being connected to the negative pressure generator and a second end of the negative pressure tube being connected to the air inlet 51. The inside of the capping head 50 is pressurized by a negative pressure generator, which is not shown, and the cap body 70 is sucked by the vacuum chuck 52. In the traditional gland mechanism, the sponge body is adopted for adsorption, after the sponge body is extruded and zoomed for a plurality of times, the tightness is lost, the cover body is easy to fall off to induce potential safety hazard, and the vacuum chuck 52 is adopted for adsorbing the cover body, so that the cover body can be firmly adsorbed under the condition of ensuring that the cover body is not damaged due to excellent flexibility and good tightness of the vacuum chuck, and the safety performance is high.

As shown in fig. 2, the floating member 40 has a cylindrical structure with upper and lower ends open, the upper open end of the floating member 40 extends radially outwards to form a circle of first bosses 41, and the lower open end of the floating member 40 extends radially inwards to form a circle of second bosses 42. The first boss 41 is located the cushion chamber, and the first boss 41 can slide along the axial of cushion chamber, and the first boss 41 can not drop in the cushion chamber, and the second boss 42 is located the cushion chamber outside, and the second boss 42 is used for supporting elastic component 31.

The universal ball head 60 is axially fixedly mounted to the lower open end of the float member 40. I.e., the universal ball head 60 moves axially in synchronization with the float 40.

As shown in fig. 1, the upper end of the elastic member 31 abuts against the buffer cavity, and the lower end of the elastic member 31 abuts against the second boss 42. That is, the elastic member 31 is defined between the buffer cavity and the floating member 40, when the capping head 50 receives an upward pushing force, the capping head 50 drives the floating member 40 to move upward along the buffer cavity, the elastic member 31 is compressed, and when the pushing force disappears, the elastic member 31 restores to return the floating member 40 and the capping head 50, so that when capping, the pressure of the capping head has a certain buffer capacity by using the elastic member, and the barrel is not damaged by rigid extrusion.

As shown in fig. 1 and 3, the buffer cavity includes an upper cavity 32 and a lower cavity 33 that are fixedly connected, the upper cavity 32 and the lower cavity 33 are spliced to form a cavity, and the elastic member 31 is installed in the cavity. The buffer cavity is divided into an upper cavity 32 and a lower cavity 33, which are respectively processed and assembled into the buffer cavity, so that the processing difficulty of the buffer cavity is reduced, and the processing precision of the buffer cavity is better controlled.

The upper end of the upper cavity 32 is fixedly mounted on the fixing plate 20, the lower end of the upper cavity 32 is fixedly connected to the upper end of the lower cavity 33, and the lower end of the lower cavity 33 extends radially inwards to form a third boss 34. When assembled, the third boss 34 is abutted against the second boss 43, thereby effectively preventing the floating member 40 from falling off.

The driving assembly 10 includes a driving cylinder or a linear motor, and the elastic member 31 includes a metal elastic member, a plastic elastic member, or a rubber elastic member. The driving cylinder or the linear motor is used for driving the operation of the capping head, the positioning is accurate, and other commonly used linear modules can be adopted.

As shown in fig. 1, the driving cylinder is located above the fixing plate 20, the piston rod of the driving cylinder is fixedly connected to the fixing plate 20, the upper cavity 32 is fixedly installed at the lower end of the fixing plate 20, the lower cavity 33 is installed at the lower end of the upper cavity 32, the elastic element 31 is located in the upper cavity and the lower cavity, the upper end of the floating element 40 is installed in the lower cavity 33, the universal ball head 60 is installed in the floating element 40, the upper end of the capping head 50 is embedded in the universal ball head 60, and the lower end of the capping head 50 is provided with the vacuum chuck 52.

The operation process of the application comprises the following steps:

step 1: the capping mechanism is driven by an external mechanism to go to the capping area, performs a capping action, and the capping head 50 adsorbs the cap body 70 and returns to the capping area;

Step 2: after the material barrel to be received reaches the gland position, the driving cylinder drives the gland head 50 to descend;

Step 3: when the capping head 50 reaches the bung hole position of the material barrel, the position of the cover body 70 is finely adjusted through the buffer assembly 30, the floating piece 40 and the outward ball head 60, so that the cover body 70 is accurately positioned at the bung hole of the material barrel, and the capping head 50 presses the cover body 70 at the bung hole;

Step 4: after the gland is finished, the cylinder is driven to retract, the cylinder returns to the cover storage area, the cover body is adsorbed again, and the repeated procedures are waited for.

It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the application, which are all within the scope of the application. Accordingly, the scope of protection of the present application is to be determined by the appended claims.

Claims

1. The utility model provides a from buffering formula gland mechanism which characterized in that: including drive assembly (10), fixed plate (20), buffer assembly (30), floating piece (40) and gland head (50), buffer assembly (30) include elastic component (31) and buffering cavity, drive assembly (10) fixed connection fixed plate (20) just drive assembly (10) can drive fixed plate (20) operation, buffering cavity fixed mounting in on fixed plate (20), elastic component (31) install in the buffering cavity, floating piece (40) movably install in the buffering cavity, gland head (50) install in floating piece (40), when external force acts on gland head (50), gland head (50) can pass through floating piece (40) are in operation and compression in the buffering cavity elastic component (31), after external force disappears, elastic component (31) can make floating piece (40) and gland head (50) reset.

2. The self-buffering gland mechanism of claim 1, wherein: the gland head (50) is connected into the floating piece (40) through a universal ball head (60).

3. The self-buffering gland mechanism of claim 2, wherein: the first end of the gland head (50) is embedded into the universal ball head (60), the second end of the gland head (50) is provided with a vacuum chuck (52), and the gland head (50) is provided with an air inlet (51) communicated with the vacuum chuck (52).

4. A self-buffering gland mechanism according to claim 3, wherein: the vacuum pump further comprises a vacuum assembly, the vacuum assembly comprises a vacuum generator and a vacuum tube, a first end of the vacuum tube is connected with the vacuum generator, and a second end of the vacuum tube is connected with the air inlet (51).

5. The self-buffering gland mechanism of claim 2, wherein: the floating piece (40) is of a cylindrical structure with openings at the upper end and the lower end, the upper opening end of the floating piece (40) extends outwards in the radial direction to form a circle of first bosses (41), and the lower opening end of the floating piece (40) extends inwards in the radial direction to form a circle of second bosses (42).

6. The self-buffering gland mechanism of claim 5, wherein: the universal ball head (60) is axially fixedly mounted at the lower open end of the floating member (40).

7. The self-buffering gland mechanism of claim 5, wherein: the upper end of the elastic piece (31) is propped against the buffer cavity, and the lower end of the elastic piece (31) is propped against the second boss (42).

8. The self-buffering gland mechanism of claim 1, wherein: the buffering cavity comprises an upper cavity (32) and a lower cavity (33) which are fixedly connected, a cavity is formed after the upper cavity (32) and the lower cavity (33) are spliced, and the elastic piece (31) is installed in the cavity.

9. The self-buffering gland mechanism of claim 8, wherein: the upper end of the upper cavity (32) is fixedly arranged on the fixing plate (20), the lower end of the upper cavity (32) is fixedly connected with the upper end of the lower cavity (33), and the lower end of the lower cavity (33) extends inwards in the radial direction to form a third boss (34).

10. The self-buffering gland mechanism of claim 1, wherein: the driving assembly (10) comprises a driving cylinder or a linear motor, and the elastic piece (31) comprises a metal elastic piece, a plastic elastic piece or a rubber elastic piece.