Filling mechanism

Abstract

The utility model relates to the technical field of liquid filling, and discloses a filling mechanism which comprises a proportional valve, the proportional valve comprises a shell, a valve cavity and a valve element assembly, one end of the valve cavity is connected with a material cylinder through a first valve body, the end, close to the material cylinder, of the side face of the valve cavity is connected with a discharging pipe, and the outer end of the discharging pipe is connected with a material nozzle through a second valve body; the outer end of the valve element assembly is provided with first lifting power, and the material nozzle is connected with second lifting power. When the material nozzle extends into a container for filling, the first valve body is opened, the second valve body is closed, the first lifting power drives the valve element assembly to move to suck materials, then the first valve body is closed, the second valve body is opened, the first lifting power drives the valve element assembly to move reversely to extrude the materials in the valve cavity, and the materials are discharged from the material nozzle. The quantitative filling device has the advantages of being capable of achieving quantitative filling and good in stability.

Description

Technical Field

[0001] The utility model relates to the technical field of liquid filling, in particular to a filling mechanism. Background Art

[0002] Existing liquid filling equipment usually adopts direct filling, and the filling volume is controlled by flow rate and time during filling, or the flow rate is detected by sensors to achieve quantitative filling. These filling methods have the problems of poor stability and difficulty in accurate quantitative filling, and the material is easy to overflow during the filling process. Utility Model Content

[0003] In order to solve the above problems existing in the prior art, the utility model provides a filling mechanism which can realize quantitative filling and has good stability.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A filling mechanism, comprising a quantitative valve connected to a material cylinder, the quantitative valve comprising a housing, a valve cavity, and a valve core assembly that can slide in the valve cavity, one end of the valve cavity being connected to the material cylinder through a first valve body, an end of the side of the valve cavity close to the material cylinder being connected to a discharge pipe, and an outer end of the discharge pipe being connected to a material nozzle through a second valve body; a first lifting power is provided at the outer end of the valve core assembly, and a second lifting power is connected to the material nozzle;

[0006] When the nozzle is extended into the container for filling, the first valve body opens and the second valve body closes, and the first lifting power drives the valve core assembly to move to absorb the material. Then, the first valve body closes and the second valve body opens, and the first lifting power drives the valve core assembly to move in the opposite direction to squeeze the material in the valve cavity, so that the material is discharged from the nozzle.

[0007] The first lifting power drives the valve core assembly to move once, thereby realizing a quantitative material suction and quantitative material discharge action, and the container is quantitatively filled at the material nozzle, and the overall structure is stable.

[0008] Preferably, the quantitative valve is configured in multiple numbers, each of which is connected to the discharge pipe and the nozzle; the valve core assembly includes a valve core and a valve stem, the outer end of the valve stem is connected to a first lifting bracket, the first lifting power is connected to the first lifting bracket; the second lifting power is connected to a second lifting bracket, and the nozzle is arranged on the second lifting bracket. The first lifting power acts once, synchronously driving multiple quantitative valves for quantitative filling, greatly improving the filling efficiency.

[0009] Preferably, the second lifting bracket is provided with a translational force, the nozzle is arranged on a nozzle seat, and the translational force is connected to the nozzle seat. The translational force can drive the nozzle to translate, and when cleaning, the nozzle can be translated before cleaning, and the sewage after cleaning is discharged from the nozzle.

[0010] Preferably, the first lifting power and the second lifting power both comprise a base, a motor, a screw and a screw seat, the motor is arranged on the base, the screw is connected to the motor, the screw passes through the screw seat to form a threaded connection, and the screw seat is provided with a guide rod that slides through the base;

[0011] The upper end of the guide rod in the first lifting power is connected to the first lifting bracket, and the upper end of the guide rod in the second lifting power is connected to the second lifting bracket.

[0012] Preferably, the first valve body and the second valve body are configured as electric control valves, which are more convenient to control.

[0013] Preferably, the upper end of the valve cavity is connected to the bottom of the material cylinder, and a drainage port is provided on the side of the lower end of the valve cavity, and a drainage pipe is connected to the drainage port. During cleaning, water in the material cylinder is sucked into the valve cavity to clean the valve cavity, and the cleaned water is sprayed out from the material nozzle; or the water in the material cylinder can be sucked into the valve cavity and then directly discharged from the drainage pipe for cleaning.

[0014] Therefore, the utility model has the beneficial effects of being able to achieve quantitative filling and having good stability. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of the utility model.

[0016] Figure 2 for Figure 1 sectional view of .

[0017] Figure 3 for Figure 1 Schematic diagram after removing the material cylinder.

[0018] Figure 4 for Figure 3 Another perspective of the picture.

[0019] Figure 5 for Figure 2 A partial enlarged schematic diagram in the middle.

[0020] Figure 6 for Figure 5 The state diagram of the middle valve core sucking material downward.

[0021] Figure 7 This is a schematic diagram of the valve cavity cleaning status. DETAILED DESCRIPTION

[0022] In order to make the technical problems, technical solutions and beneficial technical effects to be solved by the present invention more clearly understood, the present invention will be further described in detail below in conjunction with the accompanying drawings and multiple exemplary embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, rather than to limit the scope of protection of the present invention.

[0023] It should be understood that, in this document, the expressions "first", "second", etc. are used for descriptive purposes only and should not be understood as indicating or implying relative importance, nor should they be understood as implicitly indicating the number of technical features indicated. Features defined as "first" or "second" may explicitly or implicitly indicate that at least one of the features is included.

[0024] like Figure 1 - Figure 6 A filling mechanism shown includes a quantitative valve 11 connected to a material cylinder 10, the quantitative valve 11 includes a housing 110, a valve cavity 111, and a valve core assembly 112 that can slide in the valve cavity. One end of the valve cavity 111 is connected to the material cylinder 10 through a first valve body 12, and a discharge pipe 13 is connected to the side of the valve cavity 111 close to the end of the material cylinder 10, and the outer end of the discharge pipe 13 is connected to a nozzle 15 through a second valve body 14; the outer end of the valve core assembly 112 is provided with a first lifting power 20, and the nozzle 15 is connected with a second lifting power 30; when the nozzle 15 extends into the container for filling, the first valve body 12 is opened and the second valve body 14 is closed, and the first lifting power 20 drives the valve core assembly 112 to move and absorb the material, and then the first valve body 12 is closed and the second valve body 14 is opened, and the first lifting power 20 drives the valve core assembly to move in the opposite direction to squeeze the material in the valve cavity, so that the material is discharged from the nozzle. In this embodiment, the first valve body and the second valve body are both configured as electric control valves.

[0025] The quantitative valve 11 is configured in multiples, and each quantitative valve 11 is connected to a discharge pipe 13 and a nozzle 15; the valve core assembly 112 includes a valve core 1120 and a valve stem 1121, and the outer end of the valve stem 1121 is connected to a first lifting bracket 21, and the first lifting power is connected to the first lifting bracket;

[0026] The second lifting power 30 is connected to a second lifting bracket 31 , and the nozzle 15 is arranged on the second lifting bracket 31 .

[0027] The second lifting bracket 31 is provided with a translation force 32, the nozzle 15 is provided on a nozzle seat 150, and the translation force 32 is connected to the nozzle seat 150. The translation force in this embodiment adopts a cylinder.

[0028] The first lifting power 20 and the second lifting power 30 both include a base 200, a motor 201, a screw 202, and a screw seat 203. The motor is arranged on the base, the screw is connected to the motor, the screw passes through the screw seat to form a threaded connection, and a guide rod 204 is provided on the screw seat 203 to slide through the base; the upper end of the guide rod in the first lifting power 20 is connected to the first lifting bracket 21, and the upper end of the guide rod in the second lifting power 30 is connected to the second lifting bracket 31. The first lifting bracket and the second lifting bracket are lifted and lowered by the motor driving the screw to rotate, the overall structure is stable, and the lifting distance can be accurately controlled.

[0029] The upper end of the valve cavity 111 is connected to the bottom of the material cylinder 10 , and a drainage port 113 is provided on the side of the lower end of the valve cavity 111 , and a drainage pipe 16 is connected to the drainage port 113 .

[0030] Combined with the accompanying drawings, the principle of the utility model is as follows: the material is stored in the material cylinder 10, and when filling is required, the second lifting power drives a discharge nozzle to synchronously descend and extend into the container, the first valve body 12 is opened, the second valve body 14 is closed, and the first lifting power 20 drives the valve core assembly 112 to move downward to Figure 6 In the state shown, the material in the cylinder is sucked into the valve cavity, then the first valve body 12 is closed, the second valve body 14 is opened, and the first lifting power 20 drives the valve core assembly to move upward to Figure 5 In the state shown, the material enters the material nozzle along the discharge pipe 13 and enters the container from the material nozzle to achieve quantitative filling.

[0031] After the material in the cylinder is used up, the metering valve needs to be cleaned. The method for cleaning the discharge pipe and the nozzle is as follows: the translational force drives the nozzle to translate outward, so that the nozzle and the container are staggered, and then according to the filling action, the water in the cylinder is sucked into the valve cavity and then the water in the valve cavity is discharged from the nozzle for cleaning; the method for cleaning the valve cavity is as follows: the second valve body is closed, the first valve body is opened, and the first lifting power drives the valve core assembly to move outward. Figure 5 The status shown moves to Figure 7 In the state shown, the valve cavity is connected with the drain port, and the water in the valve cavity is discharged from the drain port and the drain pipe to achieve cleaning of the valve cavity.

[0032] In the description of the present invention, it is necessary to understand that the directions or positional relationships indicated by up, down, left, right, inner end, outer end, one end, the other end, etc. are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the purpose of more clearly describing the technical solution of the present invention, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific orientation, and cannot be understood as a limitation of the present invention.

[0033] Although specific embodiments of the present invention are described in detail herein, they are provided for the purpose of explanation only and should not be considered to limit the scope of the present invention. Various substitutions, changes and modifications may be conceived without departing from the spirit and scope of the present invention.

Claims

1. A filling mechanism, characterized in that: The quantitative valve (11) comprises a metering valve (11) connected to a material cylinder (10), the metering valve (111) comprising a housing (110), a valve chamber (111), and a valve core assembly (112) which can slide in the valve chamber, one end of the valve chamber (111) being connected to the material cylinder (10) via a first valve body (12), an end of the side surface of the valve chamber (111) close to the material cylinder (10) being connected to a discharge pipe (13), and an outer end of the discharge pipe (13) being connected to a material nozzle (15) via a second valve body (14); a first lifting power (20) is provided at the outer end of the valve core assembly (112), and a second lifting power (30) is connected to the material nozzle (15); When the nozzle (15) is extended into the container for filling, the first valve body (12) is opened, the second valve body (14) is closed, and the first lifting power (20) drives the valve core assembly (112) to move and absorb the material. Then, the first valve body (12) is closed, the second valve body (14) is opened, and the first lifting power (20) drives the valve core assembly to move in the opposite direction to squeeze the material in the valve cavity, so that the material is discharged from the nozzle.

2. A filling mechanism according to claim 1, characterized in that: The quantitative valve (11) is configured in plurality, and each quantitative valve (11) is connected to the discharge pipe (13) and the nozzle (15); The valve core assembly (112) comprises a valve core (1120) and a valve stem (1121); the outer end of the valve stem (1121) is connected to a first lifting bracket (21); and the first lifting power is connected to the first lifting bracket; The second lifting power (30) is connected to a second lifting bracket (31), and the nozzle (15) is arranged on the second lifting bracket (31).

3. A filling mechanism according to claim 2, characterized in that: The second lifting bracket (31) is provided with a translational force (32), the nozzle (15) is arranged on a nozzle seat (150), and the translational force (32) is connected to the nozzle seat (150).

4. A filling mechanism according to claim 2, characterized in that: The first lifting power (20) and the second lifting power (30) both comprise a base (200), a motor (201), a screw (202), and a screw seat (203); the motor is arranged on the base, the screw is connected to the motor, the screw passes through the screw seat to form a threaded connection, and the screw seat (203) is provided with a guide rod (204) that slides through the base; The upper end of the guide rod in the first lifting power (20) is connected to the first lifting bracket (21), and the upper end of the guide rod in the second lifting power (30) is connected to the second lifting bracket (31).

5. A filling mechanism according to claim 1, characterized in that: The first valve body (12) and the second valve body (14) are configured as electrically controlled valves.

6. A filling mechanism according to claim 1 or 2, characterized in that: The upper end of the valve cavity (111) is connected to the bottom of the material cylinder (10), and a drainage port (113) is provided on the side of the lower end of the valve cavity (111), and a drainage pipe (16) is connected to the drainage port (113).

Images