CN216737533U

CN216737533U - Pneumatic type material sucking and filling equipment

Info

Publication number: CN216737533U
Application number: CN202220056629.8U
Authority: CN
Inventors: 宿文
Original assignee: Wuhan Haichen Industrial Control Technology Co ltd
Current assignee: Wuhan Haichen Industrial Control Technology Co ltd
Priority date: 2022-01-10
Filing date: 2022-01-10
Publication date: 2022-06-14
Anticipated expiration: 2032-01-10

Abstract

The utility model relates to the technical field of filling, in particular to a pneumatic suction filling device which comprises a filling platform for placing filling bottles, a filling cylinder and a filling head positioned right above the filling bottles, wherein one end of the filling cylinder is sequentially provided with a feeding hole and a discharging hole; a feed port of the filling cylinder is communicated with a main conveying pipe, and a first control valve is arranged on the main conveying pipe; a feeding pipe is communicated between the discharge port of the filling cylinder and the filling head, and a second control valve is arranged on the feeding pipe; the filling cylinder is internally provided with a matched airtight piston; and the filling platform is also provided with a moving assembly connected with the airtight piston. According to the pneumatic material sucking and filling equipment, the filling cylinder is adopted for sucking materials in advance, so that the problem of material breaking gaps existing in liquid raw material filling is solved when the subsequent filling operation is carried out, the filling continuity is guaranteed, in addition, the filling speed can be reduced to accurately control the quantity, and the filling precision is higher.

Description

Pneumatic type material sucking and filling equipment

Technical Field

The utility model relates to the technical field of filling, in particular to pneumatic type material suction filling equipment.

Background

Filling machines are widely used in the pharmaceutical industry, the food industry, the daily chemical industry and the like, and can be divided into a liquid filling machine, a paste filling machine, a powder filling machine and a granule filling machine from the aspect of packaging materials.

The existing single-head filling equipment has large filling error in the filling operation process, the whole filling speed is easy to fluctuate due to the pressure change of a main conveying pipeline, and the filling precision is difficult to ensure.

SUMMERY OF THE UTILITY MODEL

The utility model provides pneumatic suction filling equipment aiming at the technical problems in the prior art, and aims to solve the problem that the existing single-head filling equipment is poor in filling operation precision and low in controllability.

The technical scheme for solving the technical problems is as follows: a pneumatic suction filling device comprises a filling platform for placing filling bottles, a filling cylinder and a filling head positioned right above the filling bottles, wherein a feeding hole and a discharging hole are sequentially formed in one end of the filling cylinder; a feed port of the filling cylinder is communicated with a main conveying pipe, and a first control valve is arranged on the main conveying pipe; a feeding pipe is communicated between the discharge port of the filling cylinder and the filling head, and a second control valve is arranged on the feeding pipe; the filling cylinder is internally provided with a matched airtight piston; and the filling platform is also provided with a moving assembly connected with the airtight piston and used for driving the airtight piston to reciprocate along the inside of the filling cylinder so as to finish material suction or filling.

On the basis of the technical scheme, the utility model can be further improved as follows.

Further, the first control valve and the second control valve are both hydraulic control one-way valves.

Further, the moving assembly comprises a push rod and a pushing mechanism; the push rod extends into the feeding pipe and is connected with the airtight piston; the pushing mechanism is connected with the push rod to drive the push rod to move back and forth along the length direction.

Further, the pushing mechanism is formed by assembling an air cylinder and a push rod fixing plate; the push rod fixing plate is fixed with the push rod, and the moving end of the air cylinder is connected with the push rod fixing plate.

Furthermore, the filling platform is also provided with a limiting plate penetrated by the push rod, and the limiting plate is provided with a guide hole matched with the push rod.

Furthermore, supporting springs sleeved outside the push rod are arranged between the filling cylinder and the push rod fixing plate and between the push rod fixing plate and the limiting plate.

Further, a platform scale used for weighing the filling bottles is further installed on the filling platform.

The utility model has the beneficial effects that: the pneumatic material sucking and filling equipment adopts the filling cylinder to suck materials in advance, so that the problem of material breaking gaps in liquid raw material filling can be avoided during subsequent filling operation, the filling continuity is ensured, in addition, the filling speed can be changed by regulating and controlling the moving speed of the airtight piston in the process that the airtight piston moves along the filling cylinder, when the liquid raw material in a filling bottle is close to a standard value, the filling speed can be reduced to accurately control the quantity, and the filling precision is higher.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a top view of the present invention;

FIG. 3 is a side view of the present invention;

FIG. 4 is a partial cross-sectional view of the cartridge of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. filling platform, 2, a filling section of thick bamboo, 3, platform scale, 4, filling head, 5, main conveyer pipe, 51, first control valve, 6, conveying pipe, 61, second control valve, 7, airtight piston, 8, push rod, 9, push mechanism, 91, cylinder, 92, push rod fixed plate, 10, limiting plate, 10a, guiding hole, 11, supporting spring.

Detailed Description

The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the utility model.

It should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" are intended to be construed broadly, as if they were connected either fixedly or removably, or as integrally formed structures. To those of ordinary skill in the art, the specific meaning of such terms in this patent may be understood as appropriate.

Examples of the utility model

As shown in fig. 1, fig. 2, fig. 3 and fig. 4, the pneumatic type of this utility design inhales material filling equipment, including being used for placing filling bottle filling platform 1, filling section of thick bamboo 2 and being located the filling head 4 directly over the filling bottle, filling head 4 can be according to the specification self-adaptation selection of filling bottle. One end of the filling cylinder 2 is provided with a feed inlet and a discharge outlet in sequence; the feed inlet of the filling cylinder 2 is communicated with a main conveying pipe 5, a first control valve 51 is arranged on the main conveying pipe 5, and the main conveying pipe 5 is used for connecting liquid materials into a pneumatic type suction filling device. A feeding pipe 6 is communicated between the discharge port of the filling cylinder 2 and the filling head 4, and a second control valve 61 is arranged on the feeding pipe 6. The filling cylinder 2 is internally provided with a matched airtight piston 7; the filling platform 1 is also provided with a moving assembly connected with the airtight piston 7 and used for driving the airtight piston 7 to reciprocate along the filling cylinder 2 so as to complete material suction or filling.

Inhale the material in-process, first control valve 51 opens, and second control valve 61 closes, drives airtight piston 7 through the removal subassembly and removes along the direction of keeping away from the feed inlet and the bin outlet of a filling section of thick bamboo 2 in the filling section of thick bamboo 2 for negative pressure reduces in the filling section of thick bamboo 2, and the liquid raw materials with required filling is inhaled 2 inner chambers of a filling section of thick bamboo and is stored in main conveyer pipe 5, and the back is deposited to liquid raw materials in the filling section of thick bamboo 2, accomplishes promptly to the material process of inhaling of liquid raw materials.

In the filling process, first control valve 51 closes, and second control valve 61 opens, drives airtight piston 7 through the removal subassembly and removes along the direction of being close to the feed inlet and the bin outlet of a filling section of thick bamboo 2 in along a filling section of thick bamboo 2 for negative pressure increases in the filling section of thick bamboo 2, and liquid raw materials in the filling section of thick bamboo 2 is pushed to push-in conveying pipe 6 in and carry to the filling bottle through filling head 4 in, accomplishes the filling process of liquid raw materials promptly.

It should be noted that, in order to accurately cooperate with the material suction or filling operation of the filling cylinder 2, the first control valve 51 and the second control valve 61 are both hydraulic control one-way valves, and the liquid raw materials are always moved along the main conveying pipe 5 to the feeding pipe 6 by the one-way conduction limitation.

According to the pneumatic suction filling equipment designed by the utility model, the filling cylinder 2 is adopted for pre-sucking, so that the problem of material breaking gaps in liquid raw material filling can be avoided during subsequent filling operation, the filling continuity is ensured, in addition, the filling speed can be changed by regulating and controlling the moving speed of the airtight piston 7 in the process that the airtight piston 7 moves along the filling cylinder 2, when the liquid raw material in a filling bottle is close to a standard value, the filling speed can be reduced to accurately control the quantity, and the filling precision is higher.

Specifically, as shown in fig. 1 and 2, the moving assembly includes a push rod 8 and a pushing mechanism 9; the push rod 8 extends into the feeding pipe 6 and is connected with the airtight piston 7; the pushing mechanism 9 is connected with the push rod 8 to drive the push rod 8 to reciprocate along the length direction.

Wherein, the pushing mechanism 9 is assembled by an air cylinder 91 and a push rod fixing plate 92; the push rod fixing plate 92 is fixed with the push rod 8, the moving end of the air cylinder 91 is connected with the push rod fixing plate 92, and the air cylinder 91 pushes the push rod fixing plate 92 to move so as to drive the push rod 8 to move directionally, so that the position of the airtight piston 7 in the filling cylinder 2 can be accurately controlled.

As shown in fig. 4, in order to ensure that the push rod 8 does not deviate in the moving process, a limiting plate 10 penetrated by the push rod 8 is further arranged on the filling platform 1, a guide hole 10a matched with the push rod 8 is formed in the limiting plate 10, the moving position of the push rod 8 is limited by the guide hole 10a, and the push rod 8 is ensured to move only in the length direction, so that the filling precision is controlled.

In addition, all be provided with the cover between a filling section of thick bamboo 2 and the push rod fixed plate 92 and between push rod fixed plate 92 and the limiting plate 10 and locate the outside supporting spring 11 of push rod 8, through supporting spring 11 butt push rod fixed plate 92, guarantee that push rod fixed plate 92 drives 8 removal in-processes of push rod more steady, the condition that can not appear trembling and change, the liquid material filling is also more linear, and the reliability is higher.

Specifically, still install the platform scale 3 that is used for weighing the filling bottle on the filling platform 1, when carrying out the filling operation to the filling bottle, can weigh the weight of filling bottle in order to feed back liquid material filling degree, the control filling degree of being convenient for in real time through platform scale 3.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent replacements, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The pneumatic suction filling equipment is characterized by comprising a filling platform (1) for placing filling bottles, a filling cylinder (2) and a filling head (4) positioned right above the filling bottles, wherein a feeding hole and a discharging hole are sequentially formed in one end of the filling cylinder (2); a feed inlet of the filling cylinder (2) is communicated with a main conveying pipe (5), and a first control valve (51) is arranged on the main conveying pipe (5); a feeding pipe (6) is communicated between the discharge port of the filling cylinder (2) and the filling head (4), and a second control valve (61) is arranged on the feeding pipe (6); a matched airtight piston (7) is arranged in the filling cylinder (2); the filling platform (1) is also provided with a moving assembly connected with the airtight piston (7) and used for driving the airtight piston (7) to reciprocate along the inside of the filling cylinder (2) so as to finish material suction or filling.

2. The pneumatic suction filling apparatus according to claim 1, wherein the first control valve (51) and the second control valve (61) are both pilot operated check valves.

3. The pneumatic suction filling apparatus according to claim 2, wherein the moving assembly comprises a push rod (8) and a pushing mechanism (9); the push rod (8) extends into the feeding pipe (6) and is connected with the airtight piston (7); the pushing mechanism (9) is connected with the push rod (8) to drive the push rod (8) to reciprocate along the length direction.

4. The pneumatic suction filling equipment according to claim 3, wherein the pushing mechanism (9) is assembled by a cylinder (91) and a push rod fixing plate (92); the push rod fixing plate (92) is fixed with the push rod (8), and the moving end of the air cylinder (91) is connected with the push rod fixing plate (92).

5. The pneumatic suction filling equipment of claim 4, wherein a limiting plate (10) penetrated by the push rod (8) is further arranged on the filling platform (1), and a guide hole (10a) matched with the push rod (8) is formed in the limiting plate (10).

6. The pneumatic suction filling equipment according to claim 5, wherein support springs (11) sleeved outside the push rod (8) are arranged between the filling cylinder (2) and the push rod fixing plate (92) and between the push rod fixing plate (92) and the limiting plate (10).

7. The pneumatic suction filling equipment according to any one of claims 1 to 6, wherein a platform scale (3) for weighing the filling bottles is further mounted on the filling platform (1).