A filling tube for liquid packaging equipment

Abstract

The invention discloses a filling pipe for liquid packaging equipment, comprising a lower half barrel, an upper half barrel and a liquid storage tank, a plurality of leak holes distributed at equal intervals are provided on the inner surface bottom of the lower half barrel, a first spiral feed rod for conveying solid products is rotatably installed inside the lower half barrel, and further comprising: a gathering barrel fixedly installed at the end of the lower half barrel, a return pipe is fixedly installed at the bottom of the gathering barrel, a feed port is provided at the top of the outer surface of the return pipe and at the bottom opening of the gathering barrel, a second spiral feed rod for returning solid products is rotatably installed inside the return pipe, a discharge port is provided at the bottom of the liquid storage tank, and a three-way pipe is provided below the discharge port and at the position of the return pipe. By separating and then merging the liquid product containing solid particles, the possibility of blockage can be reduced on the one hand, and the liquid product and the solid product can be evenly distributed on the other hand, thereby improving the filling effect.

Description

Technical Field

[0001] The invention belongs to the technical field of liquid packaging, and in particular relates to a filling tube used in liquid packaging equipment. Background Art

[0002] Liquid packaging machines, that is, packaging equipment for packaging liquid products, such as beverage filling machines, dairy filling machines, viscous liquid food packaging machines, liquid cleaning products and personal care products packaging machines, all belong to the category of liquid packaging machines. Liquid filling machines can be divided into normal pressure filling machines, pressure filling machines and vacuum filling machines according to the filling principle.

[0003] The existing filling tubes for liquid packaging equipment can generally only fill pure liquid products without solid particles. If liquid products containing solid particles are to be filled, on the one hand, the filling tube may be blocked, and on the other hand, the liquid product and the solid product may be unevenly distributed. Therefore, a filling tube for liquid packaging equipment is provided. Summary of the invention

[0004] The object of the present invention is to provide a filling tube for liquid packaging equipment to solve the technical problems raised in the background technology.

[0005] To achieve the above-mentioned purpose, the specific technical scheme of the present invention is as follows: a filling tube for liquid packaging equipment, comprising a lower half barrel, an upper half barrel and a liquid storage tank, the upper half barrel being detachably mounted on the middle part of the upper surface of the lower half barrel, the liquid storage tank being fixedly mounted on the bottom of the outer surface of the lower half barrel, a plurality of leakage holes distributed at equal intervals are penetrated through the bottom of the inner surface of the lower half barrel, a first spiral feed rod for conveying solid products is rotatably mounted inside the lower half barrel, and also comprises: a gathering barrel fixedly mounted on the end of the lower half barrel, a return pipe is fixedly mounted on the bottom end of the gathering barrel, a feed port is penetrated through the top of the outer surface of the return pipe and located at the opening position of the bottom end of the gathering barrel, a second spiral feed rod for returning solid products is rotatably mounted inside the return pipe, a discharge port is arranged at the bottom of the liquid storage tank, a three-way pipe is arranged below the discharge port and at the position of the return pipe, and a metering pump is arranged between the discharge port and the three-way pipe.

[0006] Preferably, the outer end of the first spiral feed rod is connected and assembled with the output end of the external first motor through a reducer, a filling port is provided at the top of the outer surface of the upper barrel, a shut-off valve is installed on the top of the filling port, the inlet end of the shut-off valve is connected and assembled with the outlet end of the external hopper, the outer end of the second spiral feed rod is connected and assembled with the output end of the external second motor through a coupling, and the second motor is a servo motor.

[0007] Preferably, the three-way pipe corresponds to the position of the discharge port, the three-way pipe is connected to the return pipe, and the inner cavity of the three-way pipe is connected to the inner cavity of the return pipe, the outer end of the second spiral feed rod extends to the interior of the three-way pipe, the inlet end of the metering pump is connected to the outlet end of the discharge port, and the outlet end of the metering pump is connected to the inlet end of the three-way pipe.

[0008] Preferably, the aggregate barrel includes an auxiliary component for scraping off the solid product remaining on the inner surface of the aggregate barrel, the auxiliary component includes a disc member arranged in the middle of the aggregate barrel, and an L-shaped bracket fixedly installed on the outer surface of the aggregate barrel and located at the position of the disc member, and also includes an O-ring slidably arranged on the inner surface of the aggregate barrel and located at the position of the disc member, two groups of symmetrically distributed guide rods are respectively fixed on both sides of the upper surface of the disc member, the guide rods and the L-shaped bracket are slidably arranged, a cylinder is installed on the upper surface of the L-shaped bracket and located between the two groups of guide rods, the output end of the cylinder is connected and assembled with the outer end of the disc member, a plurality of extension rods distributed in a ring shape with equal intervals are arranged inside the disc member, the extension rods are elastically connected to the disc member by an extrusion spring, and a fixing head is fixedly arranged on the outer surface of the extension rod and located in the middle of one end of the O-ring.

[0009] Preferably, the upper half barrel includes a blowing assembly for spraying solid products during transportation, and the blowing assembly includes an air duct installed on the top of the outer surface of the upper half barrel, and a plurality of nozzles distributed at equal intervals are installed at the bottom of the outer surface of the air duct, and the bottom end of the nozzle passes through the outer surface of the upper half barrel and extends to the inner surface of the upper half barrel, and a turbine blower is installed inside the air duct.

[0010] Preferably, the tee pipe includes a breaking up component for stirring the solid-liquid mixture product, the breaking up component includes two groups of support plates respectively fixed on both sides of the inner surface of the tee pipe, and a rotating rod arranged between the two groups of the support plates, and a plurality of propeller blades distributed in a ring shape with equal spacing are installed on both sides of the outer surface of the rotating rod.

[0011] A filling tube for liquid packaging equipment of the present invention has the following advantages:

[0012] 1. The present invention utilizes a method of first separating and then merging the liquid product containing solid particles, which can reduce the possibility of blockage on the one hand, and can evenly distribute the liquid product and the solid product on the other hand, thereby improving the filling effect.

[0013] 2. The present invention is equipped with an auxiliary component, which can scrape off the solid product remaining on the inner surface of the aggregation barrel to avoid extravagance and waste. Secondly, the blowing component can be used to spray the residual liquid on the surface of the solid product during transportation to improve the distribution accuracy. In addition, the setting of the breaking up component can stir the liquid product and the solid product during the merging period to improve the quality of the mixed product. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without paying creative work.

[0015] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0016] Figure 2 It is an overall plan cross-sectional view of the present invention;

[0017] Figure 3 It is a partial structural cross-sectional view of the present invention;

[0018] Figure 4 It is a partial plan cross-sectional view of the present invention;

[0019] Figure 5 For the present invention Figure 2 A magnified view of the structure in the middle.

[0020] Explanation of the marks in the figure: 1. Lower half barrel; 101. First motor; 102. Speed ​​reducer; 103. First spiral feed rod; 2. Upper half barrel; 201. Shut-off valve; 202. Injection port; 3. Auxiliary component; 301. L-shaped bracket; 302. Disc; 303. Guide rod; 304. Cylinder; 305. Extrusion spring; 306. Extension rod; 307. O-ring; 308. Fixed head; 4. Aggregate barrel; 5. Return pipe; 501. Second motor; 502. Second spiral feed rod; 6. Liquid storage tank; 601. Discharge port; 602. Metering pump; 603. Tee pipe; 7. Spraying component; 701. Air duct; 702. Turbine fan; 703. Nozzle; 8. Breaking up component; 801. Support plate; 802. Rotating rod; 803. Propeller blade. DETAILED DESCRIPTION

[0021] In the following, only some exemplary embodiments are briefly described. As those skilled in the art will appreciate, the described embodiments may be modified in various ways without departing from the spirit or scope of the embodiments of the present invention. Therefore, the drawings and descriptions are considered to be exemplary and non-restrictive in nature.

[0022] In the description of the embodiments of the present invention, it should be understood that the terms "length", "vertical", "horizontal", "top", "bottom", etc. indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing the embodiments of the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the embodiments of the present invention.

[0023] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of the embodiments of the present invention, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0024] In the embodiments of the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection, or a communication; it can be a direct connection, or an indirect connection through an intermediate medium, and it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the embodiments of the present invention can be understood according to specific circumstances.

[0025] The disclosure below provides many different embodiments or examples to implement different structures of the embodiments of the present invention. In order to simplify the disclosure of the embodiments of the present invention, the parts and settings of specific examples are described below. Of course, they are only examples, and the purpose is not to limit the embodiments of the present invention. In addition, the embodiments of the present invention can repeat reference numbers and / or reference letters in different examples, and this repetition is for the purpose of simplification and clarity, which itself does not indicate the relationship between the various embodiments and / or settings discussed.

[0026] In order to better understand the purpose, structure and function of the present invention, a filling tube for liquid packaging equipment of the present invention is further described in detail below with reference to the accompanying drawings.

[0027] like Figure 1-5As shown, a filling tube for liquid packaging equipment of the present invention comprises a lower half barrel 1, an upper half barrel 2 and a liquid storage tank 6, the upper half barrel 2 is detachably mounted on the middle part of the upper surface of the lower half barrel 1, the liquid storage tank 6 is fixedly mounted on the bottom of the outer surface of the lower half barrel 1, and is used to store liquid products, a plurality of leakage holes distributed at equal intervals are penetrated through the bottom of the inner surface of the lower half barrel 1, and are used to perform solid-liquid separation on the solid-liquid mixture product and allow the liquid product to flow into the liquid storage tank 6, a first spiral feed rod 103 for conveying the solid product is rotatably mounted inside the lower half barrel 1, the outer end of the first spiral feed rod 103 is connected and assembled with the output end of the external first motor 101 through a reducer 102, the reducer 102 is mounted on the lower half barrel 1, a material injection port 202 is arranged on the top of the outer surface of the upper half barrel 2, a shut-off valve 201 is mounted on the top of the material injection port 202, the inlet end of the shut-off valve 201 is connected and assembled with the outlet end of the external hopper, and the upper half barrel 2 comprises a blowing assembly 7 for blowing the solid product during conveying.

[0028] Specifically, the device also includes a material collection barrel 4 fixedly installed at the end of the lower half barrel 1 for storing solid products. The material collection barrel 4 includes an auxiliary component 3 for scraping off the solid products remaining on the inner surface of the material collection barrel 4. A return pipe 5 is fixedly installed at the bottom end of the material collection barrel 4. A feed inlet is provided through the top of the outer surface of the return pipe 5 and at the opening position at the bottom end of the material collection barrel 4. A second spiral feed rod 502 for returning solid products is rotatably installed inside the return pipe 5. The outer end of the second spiral feed rod 502 is connected to the output end of an external second motor 501 through a coupling. The second motor 501 is installed on the return pipe 5. The second motor 501 is a servo motor. The bottom of the liquid storage tank 6 is provided with A discharge port 601, a three-way pipe 603 is provided below the discharge port 601 and at the position of the return pipe 5, which is used to discharge the solid-liquid mixture product. The three-way pipe 603 includes a breaking up component 8 for stirring the solid-liquid mixture product. The three-way pipe 603 corresponds to the position of the discharge port 601, the three-way pipe 603 is connected to the return pipe 5, and the inner cavity of the three-way pipe 603 is connected to the inner cavity of the return pipe 5, the outer end of the second spiral feed rod 502 extends to the interior of the three-way pipe 603, and a metering pump 602 is provided between the discharge port 601 and the three-way pipe 603, the inlet end of the metering pump 602 is connected to the outlet end of the discharge port 601, and the outlet end of the metering pump 602 is connected to the inlet end of the three-way pipe 603.

[0029] Furthermore, the spray assembly 7 includes an air duct 701 installed on the top of the outer surface of the upper barrel 2, and a plurality of nozzles 703 distributed at equal intervals are installed at the bottom of the outer surface of the air duct 701. The bottom end of the nozzle 703 penetrates the outer surface of the upper barrel 2 and extends to the inner surface of the upper barrel 2. A turbine fan 702 is installed inside the air duct 701 for introducing external gas into the air duct 701 and spraying it downward through the nozzle 703. Two groups of rubber rings are respectively arranged on both sides of the inner surface of the air duct 701 for wrapping the turbine fan 702 to improve the sealing of the joint.

[0030] Furthermore, the auxiliary component 3 includes a disc 302 arranged in the middle of the aggregate barrel 4, and an L-shaped bracket 301 fixedly installed on the outer surface of the aggregate barrel 4 and located at the position of the disc 302, and also includes an O-ring 307 slidably arranged on the inner surface of the aggregate barrel 4 and located at the position of the disc 302. Two groups of symmetrically distributed guide rods 303 are fixed on both sides of the upper surface of the disc 302, and the top of the guide rod 303 passes through the L-shaped bracket 301 and extends to the top of the L-shaped bracket 301. The guide rod 303 is slidably arranged with the L-shaped bracket 301. A cylinder 304 is installed on the upper surface of the L-shaped bracket 301 and is located between the two groups of guide rods 303. The output end of the cylinder 304 is connected and assembled with the outer end of the disc member 302. A plurality of extension rods 306 distributed in a ring shape and at equal intervals are arranged inside the disc member 302. The extension rods 306 are elastically connected to the disc member 302 through an extrusion spring 305. A fixing head 308 is fixedly arranged on the outer surface of the extension rod 306 and located in the middle of one end of the O-ring 307, which is used to tighten the O-ring 307 and drive the O-ring 307 to rise and fall synchronously.

[0031] Furthermore, the breaking up assembly 8 includes two groups of support plates 801 respectively fixed on both sides of the inner surface of the three-way pipe 603, and a rotating rod 802 arranged between the two groups of support plates 801, and multiple propeller blades 803 distributed in a ring shape and at equal intervals are installed on both sides of the outer surface of the rotating rod 802.

[0032] According to the above, the present invention utilizes a method of first separating and then merging the liquid product containing solid particles, which can, on the one hand, reduce the possibility of blockage, and on the other hand, can evenly distribute the liquid product and the solid product to improve the filling effect; since the present invention is provided with an auxiliary component 3, the solid product remaining on the inner surface of the aggregation barrel 4 can be scraped off to avoid extravagance and waste. Secondly, by utilizing the blowing component 7, the residual liquid on the surface of the solid product during transportation can be sprayed to improve the distribution accuracy. In addition, the setting of the breaking up component 8 can stir the liquid product and the solid product during the merging period to improve the quality of the mixed product.

[0033] It is to be understood that the present invention is described by some embodiments, and it is known to those skilled in the art that various changes or equivalent substitutions may be made to these features and embodiments without departing from the spirit and scope of the present invention. In addition, under the teachings of the present invention, these features and embodiments may be modified to adapt to specific circumstances and materials without departing from the spirit and scope of the present invention. Therefore, the present invention is not limited by the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application are within the scope of protection of the present invention.

Claims

1. A filling tube for liquid packaging equipment, comprising a lower half barrel (1), an upper half barrel (2) and a liquid storage tank (6), characterized in that: The upper half barrel (2) is detachably mounted on the middle part of the upper surface of the lower half barrel (1); the liquid storage tank (6) is fixedly mounted on the bottom of the outer surface of the lower half barrel (1); a plurality of leakage holes distributed at equal intervals are opened through the bottom of the inner surface of the lower half barrel (1); a first spiral feed rod (103) for conveying solid products is rotatably mounted inside the lower half barrel (1); and the lower half barrel (1) further comprises: a material collection barrel (4) fixedly mounted on the end of the lower half barrel (1); a return pipe (5) is fixedly mounted on the bottom end of the material collection barrel (4). A feed port is provided at the top of the outer surface of the return pipe (5) and at the bottom opening of the aggregate barrel (4); a second spiral feed rod (502) for returning the solid product is rotatably installed inside the return pipe (5); a discharge port (601) is provided at the bottom of the liquid storage tank (6); a three-way pipe (603) is provided below the discharge port (601) and at the position of the return pipe (5); and a metering pump (602) is provided between the discharge port (601) and the three-way pipe (603); The top of the outer surface of the upper half barrel (2) is provided with a material injection port (202); The upper barrel (2) comprises a blowing assembly (7) for blowing the solid product during transportation, the blowing assembly (7) comprising an air duct (701) installed at the top of the outer surface of the upper barrel (2), a plurality of nozzles (703) distributed at equal intervals are installed at the bottom of the outer surface of the air duct (701), the bottom ends of the nozzles (703) penetrate the outer surface of the upper barrel (2) and extend to the inner surface of the upper barrel (2), and a turbine fan (702) is installed inside the air duct (701); The three-way pipe (603) corresponds to the position of the discharge port (601), the three-way pipe (603) is connected to the return pipe (5), and the inner cavity of the three-way pipe (603) is connected to the inner cavity of the return pipe (5), the outer end of the second spiral feed rod (502) extends to the interior of the three-way pipe (603), the inlet end of the metering pump (602) is connected to the outlet end of the discharge port (601), and the outlet end of the metering pump (602) is connected to the inlet end of the three-way pipe (603); The three-way pipe (603) comprises a breaking up assembly (8) for stirring a solid-liquid mixture product, the breaking up assembly (8) comprising two groups of support plates (801) respectively fixed to two sides of the inner surface of the three-way pipe (603), and a rotating rod (802) arranged between the two groups of support plates (801), and a plurality of propeller blades (803) distributed in an annular shape and at equal intervals are installed on both sides of the outer surface of the rotating rod (802).

2. A filling tube for liquid packaging equipment according to claim 1, characterized in that: The outer end of the first screw feed rod (103) is connected to the output end of the external first motor (101) via a reducer (102); a shut-off valve (201) is installed on the top of the injection port (202); the inlet end of the shut-off valve (201) is connected to the outlet end of the external hopper; the outer end of the second screw feed rod (502) is connected to the output end of the external second motor (501) via a coupling; the second motor (501) is a servo motor.

3. A filling tube for liquid packaging equipment according to claim 1, characterized in that: The material collecting barrel (4) comprises an auxiliary component (3) for scraping off the solid product remaining on the inner surface of the material collecting barrel (4), the auxiliary component (3) comprising a disc (302) arranged in the middle of the material collecting barrel (4), and an L-shaped bracket (301) fixedly mounted on the outer surface of the material collecting barrel (4) and located at the position of the disc (302), and further comprising an O-ring (307) slidably arranged on the inner surface of the material collecting barrel (4) and located at the position of the disc (302), two groups of symmetrically distributed guide rods (303) are respectively fixed on both sides of the upper surface of the disc (302), and the guide rods (303) ) is slidably arranged with an L-shaped bracket (301), a cylinder (304) is installed on the upper surface of the L-shaped bracket (301) and is located between the two groups of guide rods (303), the output end of the cylinder (304) is connected and assembled with the outer end of the disc member (302), a plurality of extension rods (306) distributed in an annular shape and at equal intervals are arranged inside the disc member (302), the extension rods (306) and the disc member (302) are elastically connected through a compression spring (305), and a fixing head (308) is fixedly arranged on the outer surface of the extension rod (306) and is located in the middle of one end of the O-ring (307).

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