CN203112482U

CN203112482U - Filling control device

Info

Publication number: CN203112482U
Application number: CN 201320172579
Authority: CN
Inventors: 郑贻端
Original assignee: GUANGDONG HIGH DREAM INTELLECTUALIZED MACHINERY CO Ltd
Current assignee: GUANGDONG HIGH DREAM INTELLECTUALIZED MACHINERY CO Ltd
Priority date: 2013-04-08
Filing date: 2013-04-08
Publication date: 2013-08-07
Anticipated expiration: 2023-04-08

Abstract

The utility model discloses a filling control device which comprises a valve body and a valve rod, wherein a valve chamber is formed in the valve body; the middle part of the valve chamber is shrunk inwards to form a shrinking part of which the inner diameter is less than those of other parts of the valve chamber; an upper valve chamber is formed above the shrinking part; a lower valve chamber is formed below the shrinking part; the side wall of the upper valve chamber is provided with a liquid inlet; the bottom of the lower valve chamber is provided with a liquid outlet; the valve rod extends into the valve chamber from top to bottom; the upper part of the valve rod is provided with a vertical motion control mechanism for controlling the valve rod to move up and down; the lower end of the valve rod is provided with a sealing head; the sealing head is positioned at the position of the shrinking part; a sealing structure is formed between the upper surface of the sealing head and the lower surface of the shrinking part; in the normal state, the upper surface of the sealing head is blocked on the lower surface of the shrinking part. The filling control device disclosed by the utility model can be used for preventing liquid from splashing out of a container when being converted into a slowly filling state from a rapidly filling state.

Description

A kind of filling control device

Technical field

The utility model relates to a kind of auxiliary device when pouring into liquid in the container, is specifically related to a kind of filling control device.

Background technology

The can scale is a kind of liquid to be poured into weighing apparatus in the container according to the weight of setting.When utilizing the can scale to carry out can, whole pouring process generally is divided into fast filling and two stages of flood irrigation, is in fast filling state certain material of packing into fast in the bottle earlier, changes the flood irrigation state then into, slow accurate the injection, and last valve closing stops perfusion; Fast filling state can be saved the time of can, increases work efficiency.The flood irrigation state improves the can accuracy rate, and the oily phenomenon of spattering that occurs when soon finishing can is slowed down.The switching of above-mentioned speed bottling condition realizes by the filling control device, referring to Fig. 1, existing filling control device mainly comprises valve body a and valve rod b, wherein, is provided with valve chamber in the valve body a, the middle part of this valve chamber is inwardly shunk and is formed internal diameter less than the contraction flow region h of the internal diameter of other parts of valve chamber, the top of this contraction flow region h forms valve chamber c, and the below forms the d of lower valve chamber, wherein, the sidewall of last valve chamber c is provided with liquid-inlet f, and the bottom of the d of lower valve chamber is provided with liquid outlet g; Valve rod b extend in the valve chamber from top to down, the top of valve rod b is provided with the vertical motion control mechanism of control valve rod up-and-down movement, the lower end of valve rod b is provided with sealing head e, a sealing e is positioned at liquid outlet g place, when it is plugged in liquid outlet g, whole filling control device is in closed condition, when valve rod b upwards lifts under the control of vertical motion control mechanism, liquid outlet is opened, by controlling the height that valve rod b lifts, the openings of sizes of liquid outlet g be can control, thereby fast jar state and slow jar state formed.In the filling process, when changing to the flood irrigation state from fast jar of state, valve rod b moves from top to bottom the fluid column that falls is produced a downward external force effect, and opening moment of liquid outlet g diminishes, cause liquid moment outwards injection at a high speed, this moment, so the liquid of accelerating jetting tended to cause liquid to spill outside container because the liquid in the container has been filled near bottle mouth position.

The utility model content

The purpose of this utility model is to overcome the deficiencies in the prior art, and a kind of filling control device is provided, and liquid spilt outside container when this filling control device can prevent from fast jar of state to slow jar of state conversion.

A kind of filling control device, comprise valve body and valve rod, wherein, be provided with valve chamber in the valve body, the middle part of this valve chamber is inwardly shunk and is formed internal diameter less than the contraction flow region of the internal diameter of other parts of valve chamber, and the top of this contraction flow region forms valve chamber, the below forms lower valve chamber, wherein, the sidewall of last valve chamber is provided with liquid-inlet, and the bottom of lower valve chamber is provided with liquid outlet; Valve rod extend in the valve chamber from top to down, and the top of valve rod is provided with the vertical motion control mechanism of control valve rod up-and-down movement, and the lower end of valve rod is provided with sealing head; It is characterized in that described sealing head is positioned at the contraction flow region place, and form hermetically-sealed construction between the lower surface of the upper surface of sealing head and contraction flow region that the upper surface of normality lower seal head is plugged on the lower surface of contraction flow region.

A preferred version of the present utility model, wherein, the lower surface of described contraction flow region and the upper surface of sealing head are tapered, and the upper surface of sealing head is provided with seal ring.Further, the upper surface of sealing head is provided with circular groove, and described seal ring is arranged in this circular groove, and described seal ring is the O RunddichtringO.By cooperatively interacting of conical suface, improved the effect of sealing.

A preferred version of the present utility model, wherein, described liquid outlet is provided with the antidrip device, and this antidrip device is arranged by a plurality of separators and is formed, and is formed with the fluid-tight gap between the adjacent separator.Particularly, described separator is annulus, and a plurality of annulus arrange with one heart, and the height of these annulus reduces from outside to inside successively; Described liquid outlet is provided with cross frame, and the lower end of described annulus is connected on this cross frame.Perhaps: described separator is the sheet plate, a plurality of sheet plate arrangement in parallels.When irritating oil, after the can action is finished, still have one deck oil film on the liquid outlet, in the process that bottle leaves, oil film can form oil droplet gradually under the deadweight state, oil droplet may drop on the body of rotation, thus cause mouldy, body is greasy or complain in other markets.And after adopting above-mentioned antidrip structure, owing to be formed with the fluid-tight gap between a plurality of separators, when oil droplet drops on the separator, its surface tension of liquid makes liquid outlet form the space of a sealing, in the space of this sealing, bar pressure upwards is greater than the deadweight of oil, so oil droplet can not fall.

A preferred version of the present utility model, wherein, described valve body is combined by upper valve body and following valve body, wherein, forms in the body of upper valve body and goes up valve chamber, and described liquid-inlet is provided with the joint that is connected with the liquid output pipe of can scale.

A preferred version of the present utility model, wherein, described vertical motion control mechanism is air cylinder or oil hydraulic cylinder.Up-and-down movement by air cylinder or oil hydraulic cylinder control valve rod.

Particularly, described vertical motion control mechanism is air cylinder, and is the double-piston air cylinder, comprises cylinder body, and this cylinder body is made up of the upper end cover, upper cylinder body, upper spacer, lower cylinder body and the lower clapboard that connect successively from top to bottom, and wherein lower clapboard is connected on the valve body; Described valve rod is formed by connecting by upper valve rod and lower valve rod, and wherein, upper valve rod passes through in cylinder body, and lower valve rod extend in the valve chamber; Be provided with first cylinder chamber in the described upper cylinder body, be provided with the first piston of captiveing joint with upper valve rod in this first cylinder chamber, the above and below of this first piston is respectively equipped with gas port and first time gas port on first, and the below of this first piston is provided with order the spring of sealing head shutoff on contraction flow region on the valve rod of normality; Be provided with second cylinder chamber in the described lower cylinder body, be provided with second piston of captiveing joint with upper valve rod in this second cylinder chamber, the above and below of this second piston is respectively equipped with gas port and second time gas port on second; The volume of described first cylinder chamber is greater than the volume of second cylinder chamber.

Further, be provided with dust collar, flow ring and pull bar envelope between described upper end cover and the upper valve rod from top to bottom successively; Be provided with the pull bar envelope between described upper spacer and the upper valve rod; Be provided with the O RunddichtringO between described lower clapboard and the upper valve rod.

When filling control device of the present utility model was worked, the upper surface of the sealing head on the valve rod was positioned at the below of the lower surface of contraction flow region, and gap between the two forms the flow channel of liquid; When converting slow jar of state to from fast jar of state, valve rod is upwards carried, described flow channel reduces, and in this process, valve rod stretches into the volume-diminished of valve chamber, make and form negative pressure in the valve chamber, thereby the part energy of flow of consumable liquid (under the certain situation of liquid volume, it is big that the space of receiving fluids becomes, and liquid consumes portion of energy in the process that expands), reduce the flow velocity of liquid, thus the phenomenon that the fluid acceleration that has occurred effectively having prevented from fast jar to slow jar of process spills.In further improvement project of the present utility model, in liquid outlet, be provided with the antidrip device, the shim convection cell in this antidrip device has certain barrier effect, equally also can reduce flow rate of fluid.Simultaneously, described antidrip device can make oil droplet form fluid-tight thereon, prevent from pouring into finish the back residual oil droplet drop.

Description of drawings

Fig. 1 is the structural representation of a kind of filling control device of the prior art.

Fig. 2 is the structural representation of a specific embodiment of filling control device of the present utility model.

Fig. 3 is the enlarged drawing of the A-A cutaway view of Fig. 2.

Fig. 4 is the enlarged drawing of the B-B cutaway view of Fig. 2.

Fig. 5 is the structural representation of antidrip device in another specific embodiment of filling control device of the present utility model.

The specific embodiment

Below in conjunction with embodiment and accompanying drawing the utility model is described in further detail, but embodiment of the present utility model is not limited thereto.

Embodiment 1

Referring to Fig. 2, the filling control device of present embodiment comprises valve body 20 and valve rod 30, wherein, be provided with valve chamber in the valve body 20, the middle part of this valve chamber is inwardly shunk and is formed internal diameter less than the contraction flow region 38 of the internal diameter of other parts of valve chamber, and the top of this contraction flow region 38 forms valve chamber 36, the below forms lower valve chamber 37, wherein, the sidewall of last valve chamber 36 is provided with liquid-inlet 40, and the bottom of lower valve chamber 37 is provided with liquid outlet 41; Valve rod 30 extend in the valve chamber from top to down, and the top of valve rod 30 is provided with the vertical motion control mechanism of control valve rod 30 up-and-down movements, and the lower end of valve rod 30 is provided with sealing head 39; Described sealing head 39 is positioned at contraction flow region 38 places, and forms hermetically-sealed construction between the lower surface of the upper surface of sealing head 39 and contraction flow region 38, and the upper surface of normality lower seal head 39 is plugged on the lower surface of contraction flow region 38.

Referring to Fig. 2, described vertical motion control mechanism is air cylinder, and be the double-piston air cylinder, comprise cylinder body, this cylinder body is made up of the upper end cover 2, upper cylinder body 11, upper spacer 13, lower cylinder body 14 and the lower clapboard 17 that connect successively from top to bottom, wherein, link together by screw 29 between upper end cover 2 and the upper cylinder body 11, link together by socket head cap screw 10 between upper cylinder body 11, upper spacer 13 and the lower cylinder body 14, lower cylinder body 14, lower clapboard 17 and valve body 20 link together by socket head cap screw 28.Described valve rod 30 is threaded by upper valve rod 27 and lower valve rod 22 and forms, and both are provided with O RunddichtringO 21 at the connecting portion place; Wherein, upper valve rod 27 passes through in cylinder body, and lower valve rod 22 extend in the valve chamber.Be provided with first cylinder chamber 44 in the described upper cylinder body 11, be provided with the first piston 9 of captiveing joint with upper valve rod 27 in this first cylinder chamber 44, this first piston 9 is fixed on the upper valve rod 27 by two back-up rings 6, be provided with O RunddichtringO 7 between upper valve rod 27 and the first piston 9, be provided with bidirectional piston envelope 8 between the inwall of first piston 9 and first cylinder chamber 44; The above and below of this first piston 9 is respectively equipped with gas port 31 and first time gas port 32 on first, the below of this first piston 9 is provided with order the spring 12 of sealing head 39 shutoff on contraction flow region 38 on the valve rod 30 of normality, the upper end of this spring 12 acts on the first piston 9, and the lower end acts on the upper spacer 13.Be provided with second cylinder chamber 45 in the described lower cylinder body 14, be provided with second piston 15 of captiveing joint with upper valve rod 27 in this second cylinder chamber 45, be provided with between upper valve rod 27 and second piston 15 and also be provided with the bidirectional piston envelope between the inwall of O RunddichtringO and cushion block 16, the second pistons 15 and second cylinder chamber 45; The above and below of this second piston 15 is respectively equipped with gas port 33 and second time gas port 34 on second.The volume of described first cylinder chamber 44 is greater than the volume of second cylinder chamber 45.Be provided with dust collar 1, flow ring 3 and pull bar envelope 4 between described upper end cover 2 and the upper valve rod 27 from top to bottom successively; Be provided with O RunddichtringO 5 between described upper end cover 2 and the upper cylinder body 11; Be provided with the pull bar envelope between described upper spacer 13 and the upper valve rod 27; Be provided with O RunddichtringO 18 between described lower clapboard 17 and the upper valve rod 27; Be provided with O RunddichtringO 19 between described lower clapboard and the valve body 20.

Referring to Fig. 2, the principle of work of above-mentioned vertical motion control mechanism is: under the normality, the application force that 12 pairs of valve rods of spring 30 produce makes sealing head 39 shutoff on the valve rod 30 on contraction flow region 38, forms normally off; When irritating soon, gas port 33 air inlets on the gas port 31 and second in first in first cylinder chamber 44 and second cylinder chamber 45 promote first piston 9, second piston 15 moves downward certain distance together with valve rod 30,6mm for example, and valve port is opened; When entering when slow jar, gas port 31 exhausts on first, gas port 33 keeps air inlets on second, valve rod 30 upward movement certain distances, 3mm for example, valve port dwindles.

Referring to Fig. 2 and Fig. 3, described valve body 20 is linked together by socket head cap screw 26 by upper valve body 35 and following valve body 25, and the end face of both connecting portions is provided with O RunddichtringO 24.Wherein, form in the body of upper valve body 35 and go up valve chamber 36, sidewall of valve chamber 36 is provided with liquid-inlet 40 on this, and this liquid-inlet 40 is provided with the joint 42 that is connected with the liquid output pipe of can scale; Form lower valve chamber 37 in the body of following valve body 25, liquid outlet 41 is formed on the bottom of following valve body 25.Described contraction flow region 38 is located at the lower end of upper valve body 35, and these contraction flow region 38 upper and lower surfaces are symmetrical taper, forms valve port at these contraction flow region 38 places.Described sealing head 39 is arranged on the lower end of lower valve rod 22, sealing 39 with respect to valve rod 30 bodies to outer lug, sealing 39 also goes to upper and lower the symmetrical taper in surface, wherein, the upper surface of sealing head 39 is provided with circular groove, described seal ring is arranged in this circular groove, and described seal ring is O RunddichtringO 23.Sealing surface when the lower surface of the upper surface of sealing head 39 and contraction flow region 38 forms sealing, during work, the gap between the lower surface of the upper surface of sealing head 39 and contraction flow region 38 forms the flow channel (referring to the sealing head of representing with long and two-short dash line among Fig. 2 39) of liquid.

Referring to Fig. 2 and Fig. 4, described liquid outlet 41 is provided with the antidrip device, and this antidrip device is arranged by a plurality of separators and formed, and is formed with the fluid-tight gap between the adjacent separator.Described separator is annulus 43, and a plurality of annulus 43 arrange with one heart, and the height of these annulus 43 reduces from outside to inside successively.Described liquid outlet 41 places are provided with cross frame 46, and the lower end of described annulus 43 is inserted and is fixedly connected on this cross frame 46; Described cross bar 46 can be to be formed by the metal piece welding, also can be the Plastic Parts of integrated injection molding.And after adopting above-mentioned antidrip structure, owing to be formed with the fluid-tight gap between a plurality of annulus 43, when oil droplet drops on the annulus 43, its surface tension of liquid makes liquid outlet form the space of a sealing, in the space of this sealing, bar pressure upwards is greater than the deadweight of oil, so oil droplet can not fall.

Embodiment 2

Referring to Fig. 5, the difference of present embodiment and embodiment 1 is that in the antidrip device of present embodiment, described separator is sheet plate 47, and a plurality of sheet plate 47 arrangement in parallels form the fluid-tight gap between the sheet plate 47.

Other embodiments beyond present embodiment is above-mentioned are identical with embodiment 1.

Above-mentioned is the utility model preferred implementation; but embodiment of the present utility model is not subjected to the restriction of foregoing; other any do not deviate from change, the modification done under spiritual essence of the present utility model and the principle, substitutes, combination, simplify; all should be the substitute mode of equivalence, be included within the protection domain of the present utility model.

Claims

1. filling control device, comprise valve body and valve rod, wherein, be provided with valve chamber in the valve body, the middle part of this valve chamber is inwardly shunk and is formed internal diameter less than the contraction flow region of the internal diameter of other parts of valve chamber, and the top of this contraction flow region forms valve chamber, the below forms lower valve chamber, wherein, the sidewall of last valve chamber is provided with liquid-inlet, and the bottom of lower valve chamber is provided with liquid outlet; Valve rod extend in the valve chamber from top to down, and the top of valve rod is provided with the vertical motion control mechanism of control valve rod up-and-down movement, and the lower end of valve rod is provided with sealing head; It is characterized in that described sealing head is positioned at the contraction flow region place, and form hermetically-sealed construction between the lower surface of the upper surface of sealing head and contraction flow region that the upper surface of normality lower seal head is plugged on the lower surface of contraction flow region.

2. filling control device according to claim 1 is characterized in that, the lower surface of described contraction flow region and the upper surface of sealing head are tapered, and the upper surface of sealing head is provided with seal ring.

3. filling control device according to claim 2 is characterized in that, the upper surface of described sealing head is provided with circular groove, and described seal ring is arranged in this circular groove, and described seal ring is the O RunddichtringO.

4. filling control device according to claim 1 is characterized in that, described liquid outlet is provided with the antidrip device, and this antidrip device is arranged by a plurality of separators and formed, and is formed with the fluid-tight gap between the adjacent separator.

5. filling control device according to claim 4 is characterized in that, described separator is annulus, and a plurality of annulus arrange with one heart, and the height of these annulus reduces from outside to inside successively; Described liquid outlet is provided with cross frame, and the lower end of described annulus is connected on this cross frame.

6. filling control device according to claim 4 is characterized in that, described separator is the sheet plate, a plurality of sheet plate arrangement in parallels.

7. filling control device according to claim 5 is characterized in that, described valve body is combined by upper valve body and following valve body, wherein, forms in the body of upper valve body and goes up valve chamber, and described liquid-inlet is provided with the joint that is connected with the liquid output pipe of can scale.

8. according to each described filling control device of claim 1～7, it is characterized in that described vertical motion control mechanism is hydraulic actuating cylinder or air cylinder.

9. filling control device according to claim 8, it is characterized in that, described vertical motion control mechanism is air cylinder, and be the double-piston air cylinder, comprise cylinder body, this cylinder body is made up of the upper end cover, upper cylinder body, upper spacer, lower cylinder body and the lower clapboard that connect successively from top to bottom, and wherein lower clapboard is connected on the valve body; Described valve rod is formed by connecting by upper valve rod and lower valve rod, and wherein, upper valve rod passes through in cylinder body, and lower valve rod extend in the valve chamber; Be provided with first cylinder chamber in the described upper cylinder body, be provided with the first piston of captiveing joint with upper valve rod in this first cylinder chamber, the above and below of this first piston is respectively equipped with gas port and first time gas port on first, and the below of this first piston is provided with order the spring of sealing head shutoff on contraction flow region on the valve rod of normality; Be provided with second cylinder chamber in the described lower cylinder body, be provided with second piston of captiveing joint with upper valve rod in this second cylinder chamber, the above and below of this second piston is respectively equipped with gas port and second time gas port on second; The volume of described first cylinder chamber is greater than the volume of second cylinder chamber.

10. filling control device according to claim 5 is characterized in that, is provided with dust collar, flow ring and pull bar envelope between described upper end cover and the upper valve rod from top to bottom successively; Be provided with the pull bar envelope between described upper spacer and the upper valve rod; Be provided with the O RunddichtringO between described lower clapboard and the upper valve rod.