CN213679769U

CN213679769U - Vacuum filling device

Info

Publication number: CN213679769U
Application number: CN202021634483.8U
Authority: CN
Inventors: 钟勇; 周怀洲; 张志来; 王志文
Original assignee: Truking Technology Ltd
Current assignee: Truking Technology Ltd
Priority date: 2020-08-08
Filing date: 2020-08-08
Publication date: 2021-07-13
Anticipated expiration: 2030-08-08

Abstract

The utility model provides a vacuum filling device, belongs to the pharmacy field of equipping, and it includes lift needle frame and vacuum seal elevating system, is equipped with the filling needle on the lift needle frame, and the cover is equipped with flexible seal cover on the filling needle, offers vacuum channel and corresponds vacuum channel's through-hole in the vacuum seal elevating system, and the lower extreme of through-hole is equipped with the vacuum seal cover that is used for with the bottleneck is sealed, and the filling needle runs through-hole and vacuum seal cover, the utility model discloses a flexible seal cover that sets up on the filling needle realizes that the upper end is sealed, and the filling needle does not have the contact with vacuum seal elevating system, and the ingenious replacement of radial seal that will have now becomes axial seal to mutually rub and replace into mutually flexible, can not produce the dust granule that pollutes the liquid.

Description

Vacuum filling device

Technical Field

The utility model belongs to the technical field of the pharmaceutical equipment and specifically relates to a vacuum filling device is related to.

Background

The vacuum filling machine is a machine for filling under the condition that the pressure in a bottle is lower than the atmospheric pressure, and the product is sucked into a container by adopting continuous vacuum suction force, the continuous suction force is generated by a vacuum pump connected with a vacuum chamber, compared with the common filling, the vacuum filling machine can not generate air bubbles in the bottle, and in the filling process, the liquid medicine can not be polluted due to the contact with air.

In the pharmaceutical industry, the quality of filling is very important, and filling needle was located the bottleneck and keeps motionless in the filling in-process in the past, and when not liquid filling that mobility is strong, bubble in the bottle very easily produced, for solving above-mentioned problem, before the filling, filling needle can stretch into the bottle end, and when the filling, filling needle follows the synchronous lifting of liquid level, and application number for example is: 201420144091.1, referring to fig. 1, it comprises a filling nozzle, a nozzle fixing structure, a nozzle guide structure, an injector cavity vacuumizing structure and an injector fixing structure, before filling, the filling nozzle will reach the bottom of the injector, the nozzle head of the filling nozzle will rise with the rise of the medium level, and the end face of the nozzle head is always kept at the upper end of the medium level. However, the filling nozzle and the injector fixing structure of the device need to be connected in a sealing manner, the required precision is high, the structure is complex, the installation difficulty is high, and dust particles polluting liquid medicine can be generated due to friction when the device is lifted relatively.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: overcome prior art's not enough, provide simple structure, can not produce the vacuum filling device of dust granule.

The utility model provides a technical scheme that its technical problem adopted is: a vacuum filling device comprises a lifting needle frame and a vacuum sealing lifting mechanism, wherein a filling needle is arranged on the lifting needle frame, a telescopic sealing sleeve is sleeved on the filling needle, a vacuum channel and a through hole corresponding to the vacuum channel are arranged in the vacuum sealing lifting mechanism, a vacuum sealing sleeve used for sealing with a bottle opening is arranged at the lower end of the through hole, and the filling needle penetrates through the through hole and the vacuum sealing sleeve, the upper end sealing is realized by the telescopic sealing sleeve arranged on the filling needle, the filling needle is not in contact with the vacuum sealing lifting mechanism, dust particles can not be generated by friction in the mutual moving process, the telescopic sealing sleeve can be stretched, when the filling needle is synchronously lifted, the compression amount can be released, the telescopic sealing sleeve can keep sealing with the vacuum sealing lifting mechanism due to the vacuum negative pressure at the bottom, the utility model can be realized only by connecting the telescopic sealing sleeve with the filling needle, it is radial seal also to understand for prior art, can produce the friction when filling needle and vacuum seal elevating system remove each other, and the utility model discloses an axial seal, it is flexible only to stretch out and draw back the seal cover when filling needle and vacuum seal elevating system remove each other, and the seal cover that stretches out and draws back generally adopts silica gel material, the similar bellows structure of cross section, and this structure has elasticity, scalable.

One end of the lifting needle frame and one end of the vacuum sealing lifting mechanism are generally arranged on a lifting shaft to realize integral lifting, a vacuum channel arranged in the vacuum sealing lifting mechanism is generally connected with a vacuum pump for vacuumizing, and a through hole is used for penetrating the filling needle.

Furthermore, the lower end of the telescopic sealing sleeve is used for forming sealing with the end face of the vacuum sealing lifting mechanism, when the filling needle extends into the bottom of the bottle body, the telescopic sealing sleeve is compressed, the lower end of the telescopic sealing sleeve is in contact with the end face of the vacuum sealing lifting mechanism, and after the vacuum pump vacuumizes, the telescopic sealing sleeve is adsorbed at the upper end of the vacuum sealing lifting mechanism due to negative pressure to form sealing; the telescopic sealing sleeve can stretch out and draw back along with the relative movement of the filling needle and the vacuum sealing lifting mechanism, in the process of lifting the filling needle, the bottom of the vacuum sealing sleeve is adsorbed at the upper end of the vacuum sealing lifting mechanism due to negative pressure, and the lifting of the filling needle only releases the compression amount of the vacuum sealing sleeve, so that the vacuum sealing sleeve recovers; in addition, the lower end of the vacuum sealing sleeve can be fixedly connected with the end face of the vacuum sealing lifting mechanism, but the fixed connection is inconvenient for disassembling the filling needle.

Furthermore, the filling needle comprises a needle tube and a protective sleeve sleeved outside the needle tube, the needle tube and the protective sleeve are integrally arranged, the needle tube in the filling needle has different sizes according to actual conditions, and the needle tube is relatively thin and long and is easy to touch and deform, so that the protective sleeve is arranged outside the needle tube, the needle tube is prevented from being deformed easily, and the overall strength of the filling needle is improved.

Furthermore, a concave surface is formed at the bottom of the needle tube and the protective sleeve, the upper end of the telescopic sealing sleeve is clamped in the concave surface, the telescopic sealing sleeve is detachably connected with the filling needle, the connection mode is simple, and the installation is easy.

Further, a sealing sleeve mounting seat is arranged on the vacuum sealing lifting mechanism and connected with the sealing sleeve mounting seat, the sealing sleeve mounting seat is used for mounting a vacuum sealing sleeve, and the vacuum sealing sleeve is used for forming sealing with the bottle mouth.

Furthermore, be equipped with a plurality of filling needles and a plurality of flexible seal cover on the lift needle frame, be equipped with a plurality of vacuum seal covers and a plurality of through-hole on the vacuum seal elevating system, filling needle, flexible seal cover, vacuum seal cover and through-hole quantity are the same.

Furthermore, the lift needle frame includes support body and clamp plate, and what the clamp plate can dismantle the connection sets up on the support body, can dismantle the connection for example bolted connection.

Further, filling needle upper end is equipped with the spacing collar, the spacing collar is located between support body and the clamp plate, and the dismantlement between support body and the clamp plate is connected and is used for installing the filling needle, dismantles the back with support body and clamp plate, passes the hole on the support body with the filling needle, and spacing collar on the filling needle and this hole contact then with clamp plate and support body be connected can, need leave the space of spacing collar between support body and the clamp plate.

The utility model has the advantages that: 1. the utility model discloses simple structure, design benefit through setting up the flexible seal cover on the filling needle, with the ingenious replacement of current radial seal axial seal to it is flexible each other to replace mutually rubbing, can not produce the dust granule that pollutes the liquid medicine because of the friction.

2. The utility model discloses simple structure, the sealed required precision that the compression seal cover realized is low, and the installation is simple.

Drawings

FIG. 1 is a schematic structural diagram of the prior art;

FIG. 2 is a schematic structural view of the present invention;

FIG. 3 is a schematic view of a filling needle;

in the figure: 1-lifting needle frame, 11-frame body, 12-pressing plate, 2-filling needle, 21-needle tube, 22-protective sleeve, 23-limiting ring, 3-telescopic sealing sleeve, 4-vacuum sealing lifting mechanism, 41-vacuum channel, 42-through hole, 5-vacuum sealing sleeve and 6-sealing sleeve mounting seat.

Detailed Description

In the description of the present invention, it is to be understood that the terms "central," "upper," "lower," "front," "rear," "vertical," "horizontal," "top," "bottom," "inner," "outer," "axial," "radial," "circumferential," and the like are used in the indicated orientations and positional relationships based on the figures, merely to facilitate the description of the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting.

Referring to fig. 2-3, the vacuum filling device of this embodiment, including lift needle frame 1 and vacuum seal elevating system 4, lift needle frame 1 and vacuum seal elevating system 4 set up on two different lift posts, lift needle frame 1 sets up directly over vacuum seal elevating system 4, be equipped with filling needle 2 on the lift needle frame 1, filling needle 2 includes that needle tubing 21 and cover establish the protective sheath 22 outside needle tubing 21, needle tubing 21 sets up with protective sheath 22 is integrative, needle tubing 21 and protective sheath 22 bottom are formed with a concave surface, the cover is equipped with flexible seal cover 3 on the filling needle 2, the card of flexible seal cover 3 upper end is established in the concave surface, the lower extreme of flexible seal cover 3 is used for forming sealedly with the terminal surface of vacuum seal elevating system 4, flexible seal cover 3 can be flexible along with filling needle 2 and vacuum seal elevating system 4's relative movement.

The lifting needle frame 1 comprises a frame body 11 and a pressing plate 12, the pressing plate 12 is detachably connected with the frame body 11, a limiting ring 23 is arranged at the upper end of the filling needle 2, and the limiting ring 23 is located between the frame body 11 and the pressing plate 12.

The vacuum sealing lifting mechanism 4 is internally provided with a vacuum channel 41 and a through hole 41 corresponding to the vacuum channel 41, the lower end of the through hole 41 is provided with a vacuum sealing sleeve 5 used for sealing the bottle mouth, the vacuum sealing sleeve 5 is connected with a sealing sleeve mounting seat 6 arranged on the vacuum sealing lifting mechanism 4, the filling needle 2 penetrates through the through hole 41 and the vacuum sealing sleeve 5, and the vacuum channel 41 is connected with a vacuum pump.

The lifting needle frame 1 is provided with a plurality of filling needles 2 and a plurality of telescopic sealing sleeves 3, the vacuum sealing lifting mechanism 4 is provided with a plurality of vacuum sealing sleeves 5 and a plurality of through holes 41, the number of the filling needles 2, the number of the telescopic sealing sleeves 3, the number of the vacuum sealing sleeves 5 and the number of the through holes 41 are the same, and the number of the filling needles 2, the number of the telescopic sealing sleeves 3, the number of the vacuum sealing sleeves 5 and the number of the through holes 41 are five in the drawing.

The utility model discloses a theory of operation and application method: the telescopic sealing sleeve 3 is used for forming an upper seal with the upper end of the vacuum sealing lifting mechanism 4, the lower end face of the telescopic sealing sleeve 3 is sleeved on the through hole 42, the vacuum sealing sleeve 5 is used for forming a lower seal with the bottle mouth, when the filling needle 2 extends into the bottom of the bottle body, the telescopic sealing sleeve 3 is compressed, after the vacuum pump vacuumizes, the telescopic sealing sleeve 3 is adsorbed at the upper end of the vacuum sealing lifting mechanism 4 due to negative pressure, the telescopic sealing sleeve 3 is sleeved on the corresponding through hole 42, during filling, the filling needle 2 is synchronously lifted, the compression amount of the telescopic sealing sleeve 3 is released, before filling, the telescopic sealing sleeve 3 is in a compressed state, when the filling needle 2 is synchronously lifted, the upper end of the telescopic sealing sleeve 3 rises along with the filling needle 2, the lower end of the telescopic sealing sleeve 3 is adsorbed and sealed with the vacuum sealing lifting mechanism 4 due to negative pressure, and during the lifting process of, the amount of compression is released; in the whole process, mutual friction does not exist, namely dust particles polluting the liquid medicine cannot be generated due to friction.

Firstly, a vacuum seal lifting mechanism 4 drives a vacuum seal sleeve 5 and a seal sleeve mounting seat 6 to descend until the vacuum seal sleeve 5 and the seal sleeve mounting seat contact with a bottle mouth, and the vacuum seal sleeve 5 is compressed and forms a seal with the bottle mouth; then the lifting needle frame 1 drives the filling needle 2 and the telescopic sealing sleeve 3 to descend until the telescopic sealing sleeve 3 is in contact with the upper end face of the vacuum sealing lifting mechanism 4, the telescopic sealing sleeve 3 is continuously descended and compressed until the filling needle 2 extends into the bottom of the bottle body, at the moment, a sealing cavity is formed from the part below the telescopic sealing sleeve 3, a vacuum pump is started to carry out vacuum pumping through a vacuum channel 41, the vacuum pumping is stopped after the vacuum degree reaches a set value, and at the moment, the sealing cavity is in a vacuum state; then, filling is started, the lifting needle frame 1 drives the filling needle 2 to ascend, the telescopic sealing sleeve 3 is in a compression state, the vacuum state of the sealing cavity can be kept in the synchronous lifting filling process of the filling needle 2, the vacuum state of the sealing cavity is destroyed when filling is finished when the filling needle 2 is lifted until the compression amount of the telescopic sealing sleeve 3 is released, liquid medicine is pressed into the bottom of the prefilled bottle body by atmospheric pressure, the lifting needle frame 1 continues to ascend to reset, the vacuum sealing lifting mechanism 4 ascends to reset, and the whole vacuum filling is finished.

The installation process comprises the following steps: after the frame body 11 and the pressing plate 12 are detached, the filling needle 2 penetrates through a hole in the frame body 11, the limiting ring 23 on the filling needle 2 is in contact with the hole, then the pressing plate 12 is connected with the frame body 11, and a space of the limiting ring 23 needs to be reserved between the frame body 11 and the pressing plate 12; then the telescopic sealing sleeve 3 is clamped into the concave surface on the filling needle 2; the vacuum sealing sleeve 5 is arranged on the sealing sleeve mounting seat 6, the lifting needle frame 1 and the vacuum sealing lifting mechanism 4 are arranged on the lifting column, the vacuum pump is arranged and the like, which belong to the prior art, and the redundant description is not provided here.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims

1. A vacuum filling device, its characterized in that: including lift needle frame (1) and vacuum seal elevating system (4), be equipped with filling needle (2) on lift needle frame (1), the cover is equipped with flexible seal cover (3) on filling needle (2), open through-hole (42) that have set up vacuum channel (41) and correspond vacuum channel (41) in vacuum seal elevating system (4), the lower extreme of through-hole (42) is equipped with and is used for vacuum seal cover (5) sealed with the bottleneck, filling needle (2) run through-hole (42) and vacuum seal cover (5).

2. A vacuum filling apparatus according to claim 1, wherein: the lower end of the telescopic sealing sleeve (3) is used for forming sealing with the end face of the vacuum sealing lifting mechanism (4), and the telescopic sealing sleeve (3) can stretch out and draw back along with the relative movement of the filling needle (2) and the vacuum sealing lifting mechanism (4).

3. A vacuum filling apparatus according to claim 1, wherein: the filling needle (2) comprises a needle tube (21) and a protective sleeve (22) sleeved outside the needle tube (21), and the needle tube (21) and the protective sleeve (22) are integrally arranged.

4. A vacuum filling apparatus according to claim 3, wherein: a concave surface is formed at the bottom of the needle tube (21) and the protective sleeve (22), and the upper end of the telescopic sealing sleeve (3) is clamped in the concave surface.

5. A vacuum filling apparatus according to claim 1, wherein: and a sealing sleeve mounting seat (6) is arranged on the vacuum sealing lifting mechanism (4), and the vacuum sealing sleeve (5) is connected with the sealing sleeve mounting seat (6).

6. A vacuum filling apparatus according to claim 1, wherein: the needle lifting frame is characterized in that a plurality of filling needles (2) and a plurality of telescopic sealing sleeves (3) are arranged on the needle lifting frame (1), a plurality of vacuum sealing sleeves (5) and a plurality of through holes (42) are arranged on the vacuum sealing lifting mechanism (4), and the filling needles (2), the telescopic sealing sleeves (3), the vacuum sealing sleeves (5) and the through holes (42) are the same in quantity.

7. A vacuum filling apparatus according to claim 1, wherein: the lifting needle frame (1) comprises a frame body (11) and a pressing plate (12), wherein the pressing plate (12) is detachably connected with the frame body (11).

8. A vacuum filling apparatus according to claim 7, wherein: the upper end of the filling needle (2) is provided with a limiting ring (23), and the limiting ring (23) is positioned between the frame body (11) and the pressing plate (12).