CN108002326A - A kind of filling fluid level control device - Google Patents

Abstract

The invention discloses a filling liquid level control device, which belongs to the technical field of liquid filling. The filling level control device of the present invention comprises a lower star wheel guard plate, a fixed plate and a squeeze wheel, the squeeze wheel is close to the bottle body of the filling bottle, and is detachably fixed on the upper surface of the fixed plate, fixed The plate is fixed on the upper surface of the lower star wheel guard. In the present invention, the squeeze wheel is used to squeeze the bottle that has been filled before capping after filling and filling the bottle, which can force the excess water level in part of the bottle to be squeezed out, and is suitable for allowing a small amount of waste Liquid filling with low raw material cost.

Description

A filling liquid level control device

The application of the present invention is a divisional application, the application number of the parent application: 2016103970244; the name of the parent application: a filling liquid level control device and its control method; the application date of the parent application: 2016-5-31.

technical field

The invention relates to the technical field of liquid filling, and more specifically relates to a filling liquid level control device.

Background technique

The container can be used, for example, as a bottle for liquids, for example for beverages. Containers such as bottles may be constructed of transparent or translucent material such as glass or translucent plastic such as PET. However, it is also conceivable that the container can consist of other materials and be filled with other filling materials.

The filling equipment for pure water and mineral water uses the principle of normal pressure filling for filling, and the filling level is controlled according to the length of the exhaust needle. Due to the increasingly high requirements of production standards, if the originally set filling level It is higher, and the size of the exhaust needle is shorter. If a uniform filling level is required, if the original exhaust needle control is still used, all the exhaust needles need to be replaced, and the control effect cannot be fully guaranteed.

After searching, DE102004011101A1 relates to a filling element for contactless filling of containers with a liquid filling material. For the purpose of filling level monitoring, the probe can be moved into a measuring position in which it extends into the container.

On the other hand, DE 10 2004 038 323 B4 discloses a method for bottom filling of bottles, in which the filling tube is kept only slightly below the liquid level and in which method the relative movement between the filling tube and the container is controlled.

DE 10 2005 058 616 A1 discloses a filling level monitor in which measuring probes are used.

DE 10 2007 041 684 A1 also relates to a filling device, in particular a filling device with a medium distribution device.

DE 10 2008 029 208 A1 relates to an open jet filling system, eg for contactless filling of bottles. The system has a filling level probe arranged on a positioning device. DE 10 2008 030 948 A1 again discloses a filling level probe, while DE 10 2008 032 370 A1 also discloses an electronic probe for determining the filling level. DE 10 2009 009 339 A1 mainly relates to a filling system for filling containers, while DE 10 2009 009 340 A1 discloses a method for pressure filling containers.

DE 10 2009 016 322 A1 also discloses a filling system.

DE 10 2009 040 346 A1 discloses a container handling device of block design, comprising a combination of a stretch blow molding device, a labeling device and a filling device.

DE19602655A1 discloses a test bottle which can be used for filling level control, said test bottle being provided with a displacement body on its inner side.

It is disclosed in DE 10 2009 035 605 A1 that during filling the walls of containers, such as eg known PET bottles, can be stretched by the beverage being filled. This stretching can vary from container to container because the degree of stretching can depend on different factors such as, for example, different preform manufacturers, aging of the preform, variations in the stretch-blow molding process, or stretching. Stretch - The amount of time that elapses between the blow molding process and the filling operation. This stretching occurs especially during the bottling of entrained gas, such as for example carbonated beverages, and can also and in addition to the above factors vary in relation to the gas content. Depending on the amount of stretching, the fill level also fluctuates for the same volume, so that even a correct volume can lead to an incorrect fill level. DE 10 2009 035 605 A1 therefore proposes to measure the filling volume in order to be able to determine whether each filled container has the same filling level regardless of the stretching situation. Downstream of the volume measuring device is the filling level control unit, but its role is only to determine whether the bottle is leaking. The volume measuring device proposed by DE 10 2009 035 605 A1 is a flow meter.

It is known that containers can have different contours, whereby different filling levels can be produced with different contours, ie different shapes, despite the same filling volume. In general, however, the liquid level should not be set below the fill level control element as this would suggest to the consumer that the bottle is not full even if the required volume is filled. The containers therefore have certain tolerances so that even when the fill quantity is correct, the result of the fill level check fluctuates and the situation has to be averaged.

A specific compensation by observing the actual container contour is known from DE 10 2006 047 566 A1. This provides an optical device that irradiates the transparent bottle with X-rays and captures the bottle with a camera, in such a way that the shape of the container is measured at the same time as the filling level in order to be able to calculate the filling volume of the bottle.

This method proposed by DE 10 2006 047 566 A1 has the disadvantage that the volume is in each case determined in relation to the filling material to be filled.

Chinese patent announcement number: 103562122A, publication date: 2014-02-05 application discloses a container processing device, especially a filling machine for filling containers, wherein the filling machine controls the filling level Downstream connection of the unit. Accordingly, at least one container detection element is provided which is arranged separately from the filling level control unit and upstream thereof, wherein both the filling level control unit and the at least one container detection element are to be independent of the The respective inspection data about the containers checked against each other are passed to the control and regulation device, wherein at least one container detection element detects and transmits at least a partial contour of the relevant container as inspection data.

To sum up, when solving the liquid level control in the retrieved patent documents, the detection element and the container volume are generally used to control the liquid level by controlling the filling capacity. The control accuracy is high, but compared with low-cost raw materials ( Mineral water, pure water), the transformation cost is too high, if the standard requirements of the liquid level are variable (for example, according to the difference of liquid raw materials), it is even less cost-effective.

Contents of the invention

1. The technical problem to be solved by the invention

The purpose of the present invention is to overcome the problems in the prior art that when the filling liquid level standard requirements change, the transformation cost of the production line is too high, and the existing liquid level control devices have poor versatility. The present invention provides a filling liquid level control device. It can achieve the effect of solving the above technical problems with a small modification, and is particularly cost-effective compared to low-cost liquid raw materials (a small amount of waste is allowed).

2. Technical solution

In order to achieve the above object, the technical scheme provided by the invention is:

A filling liquid level control device, comprising a lower star wheel guard plate, a fixed plate and a squeeze wheel, the squeeze wheel is close to the bottle body of the filling bottle, and is detachably fixed on the upper surface of the fixed plate, and the fixed plate Fixed on the upper surface of the lower star wheel guard.

As a further improvement of the present invention, it also includes an adjustment mechanism, the adjustment mechanism includes a horizontal adjustment groove, and the horizontal adjustment groove is a horizontal slot hole provided on the fixing plate, and the extrusion wheel is inserted into the horizontal adjustment groove through fastening bolts .

As a further improvement of the present invention, the adjustment mechanism also includes an adjustment bolt, the outer surface of the fixed plate is provided with a through hole communicating with the horizontal adjustment groove, and a thread is provided in the through hole, and the adjustment bolt is inserted into the through hole to abut Secure the clamping bolts of the squeeze wheel.

As a further improvement of the present invention, the extruded tire body is made of rubber; the angle formed by the extruded wheel and the central axis of the transfer star wheel is 10-20°.

A control method for a filling liquid level control device, the steps are:

A: Installation: Fix the extrusion wheel close to the bottle body in the horizontal adjustment groove set on the fixed plate;

B: Start the transmission star wheel, under the protection of the upper star wheel guard, drive the bottleneck to start transmission through the bottleneck arc groove;

C. Detect the filling liquid level of the filling bottle, if the liquid level is higher than the standard requirement, adjust the position of the extrusion wheel;

D. Adjust the extrusion wheel inwards by adjusting the bolt, and fix the extrusion wheel by fastening the bolt after adjusting the position;

E. Check the filling level: if it is still higher than the standard requirement, repeat step D; if it meets the standard requirement, continue production; if it is lower than the standard requirement, adjust the filling water volume;

F. Repeat step E until it meets the production requirements.

As for the control method of the further filling liquid level control device, the liquid level standard is required to be 2-4mm away from the lower edge of the bottle cap.

The further control method of the filling liquid level control device is suitable for the filling of mineral water and pure water; the transfer star wheel has 24 bottleneck arc grooves.

In a further control method of the filling liquid level control device, the inside of the transfer star wheel is hollow and externally connected with a hot gas source; the arc groove of the bottleneck is provided with an air outlet.

3. Beneficial effect

Compared with the prior art, the technical solution provided by the invention has the following beneficial effects:

(1) A filling liquid level control device of the present invention uses a squeeze wheel to squeeze the bottle that has been filled before the filling bottle is filled and capped, which can force part of the bottle to The excess water level is squeezed out, which is suitable for liquid filling with low raw material cost that allows a small amount of waste;

(2) A kind of filling liquid level control device of the present invention, the use of adjustment mechanism horizontal adjustment groove, makes the horizontal position adjustment of extrusion wheel more convenient;

(3) A filling liquid level control device of the present invention, the adjustment bolt makes the adjustment more labor-saving and convenient to operate;

(4) A kind of filling liquid level control device of the present invention, extruding tire body is rubber material, avoids two-phase contact damage bottle body; It is the suitable angle range summed up by the inventor in combination with the transfer star wheel, squeeze wheel and the diameter of the bottle body, which makes the control of the liquid level more accurate and convenient;

(5) In a filling liquid level control device of the present invention, the ratio of the diameter of the squeeze wheel to the diameter of the bottle body is 1:3 to 4, which is a suitable proportional relationship summed up by the inventor based on years of production practice, so that The adjustment is more convenient and accurate;

(6) The control method of a filling liquid level control device of the present invention is simple to operate, solves the problem of precise liquid level control without large production line transformation, and has high safety and good stability;

(7) The control method of a filling liquid level control device of the present invention is simple to install, and the liquid level standard requirement is 2 to 4 mm from the lower edge of the bottle cap, which can be adjusted according to the translational position of the extrusion wheel to achieve the standard requirement;

(8) In the control method of a filling liquid level control device of the present invention, the raw materials of mineral water and pure water are relatively low, and a small amount of extrusion waste will not increase much production cost; 24-bit transmission starwheel, and extrusion The diameter ratio of the pressure roller to the bottle body is 1:3-4;

(9) A control method of a filling liquid level control device of the present invention, hot air is sprayed to the neck of the bottle through the air outlet and blown down along the body of the bottle to dry and squeeze a small amount of moisture, so as to avoid the influence of moisture on the operation of the next process.

Description of drawings

Fig. 1 is the top view of the present invention;

Fig. 2 is a front view of the present invention.

Explanation of symbols in the schematic diagram: 1. Transmission star wheel; 2. Lower star wheel guard; 3. Adjusting mechanism; 4. Squeeze wheel; 5. Fastening bolt; 6. Upper star wheel guard; 7. Fixing plate; 8. Filling bottle; 11. Bottleneck arc groove; 31. Adjusting bolt; 33. Level adjusting groove; 71. Through hole; 81. Bottleneck; 82. Bottle body; 111. Air outlet.

Detailed ways

In order to further understand the content of the present invention, the present invention will be described in detail in conjunction with the accompanying drawings and embodiments.

Example 1

A filling liquid level control device in this embodiment includes a lower star wheel guard plate 2, a fixed plate 7 and a squeeze wheel 4, the squeeze wheel 4 is close to the bottle body 82 of the filling bottle 8, and can It is disassembled and fixed on the upper surface of the fixed plate 7, and the fixed plate 7 is fixed on the upper surface of the lower star wheel guard plate 2.

During the use of the filling liquid level control device of this embodiment, the squeeze wheel 4 is used to squeeze the bottle body that has been filled before the filling bottle is filled and capped, which can force some The excess water level in the bottle is squeezed out, which is suitable for low raw material costs that allow a small amount of waste, such as liquid filling of mineral water and purified water.

Example 2

A filling liquid level control device of this embodiment has the same basic structure as that of Embodiment 1, and the improvement is that: as shown in Figure 1, it also includes an adjustment mechanism 3, and the adjustment mechanism 3 includes a horizontal adjustment groove 33 and an adjustment bolt 31, The horizontal adjustment groove 33 is a horizontal slot hole provided on the fixing plate 7 , and the extrusion wheel 4 is inserted into the horizontal adjustment groove 33 through the fastening bolt 5 . The outer surface of the fixed plate 7 is provided with a through hole 71 communicating with the horizontal adjustment groove 33, and a thread is arranged in the through hole 71, and the adjusting bolt 31 is inserted into the through hole 71 and resists the fastening bolt 5 of the extrusion wheel 4. The carcass of the extrusion wheel 4 is made of rubber; the angle formed by the extrusion wheel 4 and the central axis of the transfer star wheel 1 is 20°.

The control method of the filling liquid level control device of this embodiment, the steps are:

A: Installation: Fix the extrusion wheel 4 close to the bottle body 82 in the horizontal adjustment groove 33 provided on the fixed plate 7;

B: start the transfer star wheel 1, as shown in Figure 2, under the protection of the upper star wheel guard plate 6, drive the bottleneck 81 to start transfer through the bottleneck arc groove 11;

C. Detect the filling liquid level of the filling bottle 8, if the liquid level is higher than the standard requirement, adjust the position of the extrusion wheel 4;

D. Adjust the extrusion wheel 4 inwardly through the adjustment bolt 31, and fix the extrusion wheel 4 by the fastening bolt 5 after adjusting the position;

E. Check the filling level: if it is still higher than the standard requirement, repeat step D; if it meets the standard requirement, continue production; if it is lower than the standard requirement, adjust the filling water volume;

F. Repeat step E until it meets the production requirements.

Example 3

A filling liquid level control device of this embodiment has the same basic structure as that of Embodiment 2. The improvement and difference are that it is applied to the filling of pure water, and the ratio of the diameter of the extrusion wheel 4 to the diameter of the bottle body 82 is 1. :3. The extrusion wheel 4 carcass is made of rubber; the angle formed by the extrusion wheel 4 and the central axis of the transfer star wheel 1 is 20°

The filling liquid level control device of this embodiment has a "broom"-shaped three-slot structure, and the angle adjustment of the two squeeze wheels 4 further improves the accuracy of liquid level adjustment; the adjustment connecting rod 35, the adjustment bolt 31 and The cooperation of the adjustment screw rod 36 makes the angle adjustment of the extrusion wheel 4 more convenient.

Example 4

A filling liquid level control device of this embodiment has the same basic structure as that of Embodiment 3, and the improvement is that the carcass of the extrusion wheel 4 is made of rubber; the angle formed by the extrusion wheel 4 and the central axis of the transfer star wheel 1 It is 15°; it is suitable for the filling of pure water; the transfer star wheel 1 has 24 bottleneck arc grooves 11. The interior of the transmission star wheel 1 is hollow, and is externally connected with a hot air source; the arc groove 11 of the bottleneck is provided with an air outlet 111 . The liquid level standard requirement is 2~4mm from the lower edge of the bottle cap.

The control method of the filling liquid level control device of this embodiment, the steps are:

A: Installation: Fix the extrusion wheel 4 close to the bottle body 82 in the horizontal adjustment groove 33 provided on the fixed plate 7;

B: Start the transmission star wheel 1, under the protection of the upper star wheel guard plate 6, drive the bottleneck 81 to start transmission through the bottleneck arc groove 11; at the same time turn on the hot air source, let the hot air blow to the bottle body through the air outlet 111, and remove the moisture in the bottle body blow dry;

C. Detect the filling liquid level of the filling bottle 8, if the liquid level is higher than the standard requirement, adjust the position of the extrusion wheel 4;

D. Adjust the extrusion wheel 4 inwardly through the adjustment bolt 31, and fix the extrusion wheel 4 by the fastening bolt 5 after adjusting the position;

E. Check the filling level: if it is still higher than the standard requirement, repeat step D; if it meets the standard requirement, continue production; if it is lower than the standard requirement, adjust the filling water volume;

F. Repeat step E until it meets the production requirements.

According to the control method of the filling liquid level control device in this embodiment, 100 bottles were randomly selected after testing, and the qualified rate of the liquid level line was 100%, all within the range of 2-4mm from the lower edge of the bottle cap. The control method of the filling liquid level control device in this embodiment is simple to operate, and the extruded water is dried, which solves the problem of precise control of the liquid level without major modification of the production line, and has high safety and good stability.

The above schematically describes the present invention and its implementation, which is not restrictive, and what is shown in the drawings is only one of the implementations of the present invention, and the actual structure is not limited thereto. Therefore, if a person of ordinary skill in the art is inspired by it, without departing from the inventive concept of the present invention, without creatively designing a structural mode and embodiment similar to the technical solution, it shall all belong to the protection scope of the present invention .

Claims (5)

1. A filling liquid level control device, including a lower star wheel guard (2), characterized in that: it also includes an adjustment mechanism (3), a fixed plate (7) and a squeeze wheel (4), the The squeeze wheel (4) is close to the bottle body (82) of the filling bottle (8), and is detachably fixed on the upper surface of the fixing plate (7), and the fixing plate (7) is fixed on the upper surface of the lower star wheel guard (2) ; The adjustment mechanism (3) includes a horizontal adjustment groove (33), and the horizontal adjustment groove (33) is a horizontal slotted hole provided on the fixed plate (7), and the squeeze wheel (4) is passed through the fastening bolt ( 5) Insert into the horizontal adjustment groove (33); The adjustment mechanism (3) also includes an adjustment bolt (31), the outer surface of the fixed plate (7) is provided with a through hole (71) communicated with the horizontal adjustment groove (33), and the through hole (71) is provided with a screw thread , the adjusting bolt (31) is inserted into the through hole (71) and resists the fastening bolt (5) of the squeeze wheel (4); the carcass of the squeeze wheel (4) is made of rubber; the squeeze wheel (4) The angle formed with the central axis of the transfer star wheel (1) is 10-20°; Its control steps are: A: Installation: fix the extrusion wheel (4) close to the bottle body (82) in the horizontal adjustment groove (33) provided on the fixed plate (7); B: Start the transmission star wheel (1), under the protection of the upper star wheel guard (6), drive the bottleneck (81) to start transmission through the bottleneck arc groove (11); C. Detect the filling liquid level of the filling bottle (8), if the liquid level is higher than the standard requirement, adjust the position of the extrusion wheel (4); D. Adjust the extrusion wheel (4) inwardly through the adjustment bolt (31), and fix the extrusion wheel (4) by the fastening bolt (5) after adjusting the position; E. Check the filling level: if it is still higher than the standard requirement, repeat step D; if it meets the standard requirement, continue production; if it is lower than the standard requirement, adjust the filling water volume; F. Repeat step E until it meets the production requirements. 2. A filling liquid level control device according to claim 1, characterized in that the ratio of the diameter of the extrusion wheel (4) to the diameter of the bottle body (82) is 1:3-4. 3. A filling liquid level control device according to claim 1, characterized in that the standard requirement of the liquid level is 2-4 mm from the lower edge of the bottle cap. 4. A filling liquid level control device according to claim 3, characterized in that it is suitable for filling mineral water and pure water; the transfer star wheel (1) has 24 bottleneck arc grooves (11) . 5. A filling liquid level control device according to claim 4, characterized in that, the inside of the transfer star wheel (1) is hollow and externally connected to a hot gas source; an air outlet is arranged in the neck arc groove (11) (111).