CN101293627A

CN101293627A - Liquid quantitatively filling apparatus

Info

Publication number: CN101293627A
Application number: CNA2008100287650A
Authority: CN
Inventors: 樊缔
Original assignee: Guangzhou Tech Long Packaging Machinery Co Ltd
Current assignee: Guangzhou Tech Long Packaging Machinery Co Ltd
Priority date: 2008-06-13
Filing date: 2008-06-13
Publication date: 2008-10-29
Anticipated expiration: 2028-06-13
Also published as: CN101293627B

Abstract

The invention discloses a liquid quantitative pouring device, comprising a pneumatic pouring valve, a flowmeter, a high-speed numbering module, a controller component and an electromagnetic valve; the pneumatic pouring valve mainly consists of a pneumatic head, a diaphragm, a valve head and a valve core; the pneumatic head is internally provided with a receiving chamber; the upper section of the valve core is arranged in the receiving chamber; the valve core is provided with a separator, by which the receiving chamber is divided into an upper chamber and a lower chamber; the pneumatic head is also provided with two air holes which are respectively communicated with the upper chamber and the lower chamber; the diaphragm is a ring-shaped body; the internal end of the diaphragm is fixed on the lower section of the valve core, and the external end thereof is fixed on the pneumatic head or the valve head; the valve head is arranged below the pneumatic head and is provided with a material inlet pipe and a pouring mouth; the end of the valve core just faces to the pouring mouth; the flowmeter is communicated with a feeding pipe of the pneumatic pouring valve; the electromagnetic valve is communicated with two air holes of the pneumatic pouring valve. The liquid quantitative pouring device has high quantitative pouring precision and can ensure sanitary and clean material passages.

Description

Liquid quantitatively filling apparatus

Technical field

The present invention relates to a kind of filling machine, refer to a kind of liquid quantitatively filling apparatus especially.

Background technology

Bottle placer be a kind of can be with liquid product (as beverage and liquid food, daily chemical products) pours into the equipment of bottle or small containers such as jar automatically, in order to realize quantitative filling, the early stage liquid level appearance method of using more, and the shortcoming of this method to be the can amount influenced greatly by operator's skill level, and inapplicable nontransparent bottle can.At present positive displacement perfusion forms that adopt promptly are provided with a quantitative piston cylinder more in equipment, the volume of piston cylinder is the amount of desiring can, reaches the purpose of quantitative filling with this.But this equipment filling accuracy is not high, complex structure, and material channel health rank is not high, and consumable accessory is many, cleans difficulty and is difficult to and clean thoroughly.

Summary of the invention

The technical matters that institute of the present invention desire solves is to provide a kind of quantitative accuracy height of can, and can guarantee the liquid quantitatively filling apparatus of health cleaning in the material channel.

For reaching above-mentioned technical matters, technical solution of the present invention is:

A kind of liquid quantitatively filling apparatus, is used for to the controller assemblies of the module target setting pulse value that counts at a high speed and the electromagnetic valve of the module controls that is subjected to count at a high speed at flow counter, the high speed numeration module that is used to read this pulse that comprises pneumatic filling valve, produces certain pulse according to the material medium volume of flowing through or quality; This pneumatic filling valve mainly is made up of pneumatic head, barrier film, valve head and spool; Be provided with cavity volume in this pneumatic head, the epimere of spool is located in this cavity volume, which is provided with dividing plate cavity volume is divided into upper chamber and lower chambers; This pneumatic head also has two gas ports that communicate with chamber up and down respectively; Described barrier film is a ring bodies, and the hypomere of described spool is fixed in its inner, and its outer end then is fixed on pneumatic head or the valve head; Described valve head is located at the below of pneumatic head, and it is provided with feed pipe and filling exit, and the end of described spool is over against this filling exit; Described flow counter is connected with the feed pipe of pneumatic filling valve, and described electromagnetic valve communicates with two gas ports of pneumatic filling valve.

Be provided with one in the pneumatic head of described pneumatic filling valve and make the normally closed normally closed spring of spool.

After adopting such scheme, because the present invention is provided with a flow counter in feed pipe, the material medium volume (or quality) that carries in the pipeline according to this flow counter of flowing through will be certain linear dependence with the number of pulses that flow counter produces, reach the purpose of quantitative filling with this, the various shortcomings that it has overcome existing positive displacement can be applied to the can field of requirements at the higher level.

Specifically, the present invention also has following beneficial effect:

1. the precision of flow counter quantitative filling depends primarily on the survey precision of flow counter own, can obtain different filling accuracies by the selection to dissimilar flow counter.General precision is ± 5 ‰ at present, can reach ± 2 ‰, even higher.

2. duct type material medium channel, the pneumatic filling valve structure of health level diaphragm seal makes the can material can not enter into sliding surface between spool and the valve body, does not therefore have the corner or spot as yet untouched by a clean-up campaign, can guarantee best sanitary condition.

3. the replacing of can capacity is to realize by changing the module target setting pulse value that counts at a high speed, and is simple to operation.

Description of drawings

Fig. 1 is a structural representation of the present invention;

Fig. 2 is the scheme drawing of the pneumatic filling valve of the present invention when closing;

Scheme drawing when Fig. 3 is the perfusion of the pneumatic filling valve of the present invention;

Fig. 4 is the structural representation of the present invention when pouring into;

Fig. 5 is the structural representation of the present invention when closing.

The accompanying drawing identifier declaration:

1, pneumatic filling valve 2, flow counter

3, count at a high speed module 4, controller assemblies

5, electromagnetic valve 11, pneumatic head

12, barrier film 13, valve head

14, spool 141, dividing plate

111, upper chamber 112, lower chambers

131, feed pipe 132, filling exit

114, inspection door 15, normally closed spring

The specific embodiment

The invention will be further described below in conjunction with the drawings and specific embodiments.

As shown in Figure 1, liquid quantitatively filling apparatus of the present invention comprises pneumatic filling valve 1 (Pneumatic Valve), flow counter 2 (flowmeter), the compositions such as module 3 (HighspeedCounter), controller assemblies 4 (Scanner+PLC etc.), electromagnetic valve 5 and pipeline, circuit that count at a high speed.Wherein:

Described pneumatic filling valve 1 (cooperate shown in Fig. 2,3) mainly is made up of pneumatic 11, barrier film 12, valve head 13 and spool 14.Be provided with cavity volume in this pneumatic 11, the epimere of described spool 14 is located in this cavity volume, which is provided with dividing plate 141 cavity volume is divided into upper chamber 111 and lower chambers 112; This pneumatic 11 also has two gas ports, and wherein gas port A communicates with lower chambers 112, and gas port B communicates with upper chamber 111.Described barrier film 12 is a ring bodies, and the hypomere of described spool 14 is fixed in its inner, and its outer end then is fixed on pneumatic 11 or the valve head 13.Described valve head 13 is located at pneumatic 11 below, and it is provided with feed pipe 131 and filling exit 132, and the end of described spool 14 is over against this filling exit 132.

When pneumatic 11 gas port B air inlet and gas port A when giving vent to anger (as Fig. 2), spool 14 presses down under the effect of air pressure and valve head 13 is fitted, and filling exit 132 is blocked, and this pneumatic filling valve 1 is in closed condition; When gas port A air inlet and gas port B when giving vent to anger (as Fig. 3) carry on the spool 14, this pneumatic filling valve 1 is in open mode.

Above-mentioned pneumatic filling valve 1 is owing to adopted barrier film 12 sealings, and desire can material can not enter into the sliding surface between spool 14 and the valve body, does not therefore have the corner or spot as yet untouched by a clean-up campaign.In addition, the present invention can be provided with a seepage inspection door 114 in chamber 113 places above described barrier film 12 and between pneumatic 11, by the working condition that this seepage inspection door 114 can be observed this barrier film 12 easily, fully guaranteed the health cleaning in the material channel.Moreover, in pneumatic 11 of this pneumatic filling valve 1, also be provided with a normally closed spring 16, like this under the situation of dying suddenly, can guarantee that filling valve closes, prevent the material waste.

Described flow counter 2 is connected with the feed pipe 131 of above-mentioned pneumatic filling valve 1, and its structure is a prior art, and promptly the material medium volume (or quality) that carries in the pipeline by this flow counter 2 will be certain linear dependence with the number of pulses that flow counter 2 produces.

Described high speed numeration module 3 is electrically connected with flow counter 2, and it is used to read the pulse that flow counter 2 produces.

Described controller assemblies 4 is used for to the module 3 target setting pulse values (just target material medium volume or quality) that count at a high speed, in order to control can amount.

Described electromagnetic valve 5 is electrically connected with the module 3 that counts at a high speed, and its action is by module 3 controls that count at a high speed, and this electromagnetic valve 5 also communicates with gas port A, the B of pneumatic filling valve 1.

Quantitative filling principle of work of the present invention is:

As shown in Figure 4, the gas port A air inlet of described pneumatic filling valve 1, valve is opened, the material medium directly is filled in the packing container by flow counter 2 and pneumatic filling valve 1, the pulse that the module 3 that counts at a high speed reads flow counter 2 simultaneously, when this pulse count reaches when setting target pulse value (being target perfusion volume or quality), the module that counts at a high speed 3 direct give a signal control electromagnetic valve 5 are moved, make the gas port B air inlet (as Fig. 5) of 1 pneumatic 11 of pneumatic filling valve, drive valve and close and finish the expendable action.Whenever finish the expendable action, action next time is waited in the module 3 reading return-to-zero that count at a high speed.

The above only is the preferred embodiment of a kind of liquid quantitatively filling apparatus of the present invention, is not that technical scope of the present utility model is imposed any restrictions.So every foundation technical spirit of the present utility model all still belongs in the scope of technical solutions of the utility model any trickle modification, equivalent variations and modification that above embodiment did.

Claims

1, a kind of liquid quantitatively filling apparatus is characterized in that: flow counter, the high speed numeration module that is used to read this pulse that comprises pneumatic filling valve, produces certain pulse according to the material medium volume of flowing through or quality, be used for to the controller assemblies of the module target setting pulse value that counts at a high speed and the electromagnetic valve of the module controls that is subjected to count at a high speed; This pneumatic filling valve mainly is made up of pneumatic head, barrier film, valve head and spool; Be provided with cavity volume in this pneumatic head, the epimere of spool is located in this cavity volume, which is provided with dividing plate cavity volume is divided into upper chamber and lower chambers; This pneumatic head also has two gas ports that communicate with chamber up and down respectively; Described barrier film is a ring bodies, and the hypomere of described spool is fixed in its inner, and its outer end then is fixed on pneumatic head or the valve head; Described valve head is located at the below of pneumatic head, and it is provided with feed pipe and filling exit, and the end of described spool is over against this filling exit; Described flow counter is connected with the feed pipe of pneumatic filling valve, and described electromagnetic valve communicates with two gas ports of pneumatic filling valve.

2, liquid quantitatively filling apparatus as claimed in claim 1 is characterized in that: be provided with one in the pneumatic head of described pneumatic filling valve and make the normally closed normally closed spring of spool.