Quantitative filling structure for liquid material packaging

Abstract

The utility model discloses a quantitative filling structure for liquid material packaging, which comprises a storage tank and a quantitative mechanism, and the storage tank is used for containing liquid materials to be filled; the quantifying mechanism is arranged below the material storage tank and comprises a quantifying pipe and a rotating wheel, the quantifying pipe is used for containing a liquid material with a preset volume, the rotating wheel is provided with a flow passing channel and can rotate between a first position and a second position in a reciprocating mode, and when the rotating wheel is located at the first position, the rotating wheel rotates around the flow passing channel; the inlet end of the overflowing channel is communicated with the outlet end of the material storage tank, and the outlet end of the overflowing channel is communicated with the quantitative pipe. The liquid material filling device has the advantages of being suitable for filling operation of small-scale production of liquid materials, avoiding the problem that manual filling is adopted when the liquid materials are produced in the small-scale mode, reducing labor intensity of workers when the liquid materials are produced in the small-scale mode, and improving quantitative filling efficiency when the liquid materials are produced in the small-scale mode.

Description

TECHNICAL FIELD

[0001] The utility model relates to food packaging technical field especially, relates to a kind of liquid material packaging with quantitative filling structure. BACKGROUND

[0002] Filling machine can be filled with liquid material. The existing liquid material filling machine (such as the liquid filling system disclosed in application No. 202110042571.1) is a large mechanical equipment, which needs to be provided with multiple quantitative valves to realize liquid quantitative filling. The structure is complex and expensive, which is not suitable for small-scale production. Small-scale production generally adopts manual filling. Manual use of quantitative container or other weighing tools controls the volume of liquid, but the labor intensity is large and the quantitative filling efficiency is low. SUMMARY

[0003] The utility model aims to overcome the above technical deficiencies and provide a quantitative filling structure for liquid material packaging, which solves the technical problems of high labor intensity and low quantitative filling efficiency in small-scale production of liquid material.

[0004] To achieve the above technical purpose, the technical scheme of the utility model provides a quantitative filling structure for liquid material packaging, which comprises:

[0005] A storage tank is provided for containing liquid material to be filled;

[0006] A quantitative mechanism is arranged below the storage tank, which comprises a quantitative pipe and a rotating wheel. The quantitative pipe is used to contain liquid material of a predetermined volume. The rotating wheel has a flow passage and can rotate reciprocally between a first position and a second position. When the rotating wheel is in the first position, the inlet end of the flow passage is in communication with the outlet end of the storage tank, and the outlet end of the flow passage is in communication with the quantitative pipe. When the rotating wheel is in the second position, the rotating wheel blocks the outlet end of the storage tank, and the inlet end of the flow passage is in communication with the quantitative pipe, for discharging the liquid material in the quantitative pipe.

[0007] Further, the quantitative mechanism further comprises a housing having a cavity. The housing is provided with a liquid inlet, a flow passage and a liquid outlet in communication with the cavity. The liquid inlet is also in communication with the outlet end of the storage tank, and the flow passage is also in communication with the quantitative pipe. The rotating wheel is sealingly arranged in the cavity. When the rotating wheel is in the first position, the inlet end of the flow passage is in communication with the liquid inlet, and the outlet end of the flow passage is in communication with the flow passage. When the rotating wheel is in the second position, the inlet end of the flow passage is in communication with the flow passage, and the outlet end of the flow passage is in communication with the liquid outlet.

[0008] Further, the liquid inlet and the liquid outlet are arranged above and below the overflow port.

[0009] Further, the dosing tube is arranged horizontally at the side of the shell.

[0010] Further, one end of the dosing tube close to the shell is open and communicates with the overflow port, and the other end of the dosing tube away from the shell is open.

[0011] Further, the dosing mechanism further comprises a driving assembly connected with the rotating wheel for driving the rotating wheel to reciprocate between the first position and the second position.

[0012] Further, the driving assembly comprises a rotating shaft, a connecting rod and a first telescopic driving member, one end of the rotating shaft is coaxially fixedly connected with the rotating wheel, the other end of the rotating shaft rotates through the shell and extends out of the shell, one end of the connecting rod is fixedly connected with the other end of the rotating shaft, and the telescopic end of the first telescopic driving member is hingedly connected with the other end of the connecting rod for driving the other end of the connecting rod to reciprocate around the rotating shaft.

[0013] Further, the dosing mechanism further comprises a piston assembly comprising a piston and a second telescopic driving member, the piston is sealingly and slidingly arranged in the dosing tube, and the telescopic end of the second telescopic driving member is fixedly connected with the piston for driving the piston to reciprocate along the axial direction of the dosing tube to adjust the length of the material holding area in the dosing tube and push the liquid material in the material holding area out.

[0014] Further, the dosing mechanism further comprises a liquid inlet pipe vertically arranged above the shell, the upper end of the liquid inlet pipe communicates with the outlet end of the material storage tank, and the lower end of the liquid inlet pipe communicates with the liquid inlet.

[0015] Further, the dosing mechanism further comprises a material outlet pipe vertically arranged below the shell, and the upper end of the material outlet pipe communicates with the liquid outlet.

[0016] Compared with the prior art, the beneficial effects of the utility model include: in use, by operating the rotating wheel, the rotating wheel is located at the first position, at this time, part of the liquid material in the storage tank flows into the quantitative pipe through the flow channel, when the liquid material in the quantitative pipe reaches the preset capacity, by operating the rotating wheel, the rotating wheel is located at the second position, at this time, the liquid material in the quantitative pipe is discharged into the packaging tank, and the quantitative filling work of the liquid material is completed, the quantitative filling structure for liquid material packaging is suitable for the filling operation of small-scale production of liquid material, avoids the problem of manual filling when small-scale production of liquid material, reduces the labor intensity of manual work when small-scale production of liquid material, and improves the quantitative filling efficiency when small-scale production of liquid material. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a three-dimensional structure schematic view of a quantitative filling structure for liquid material packaging provided by the utility model;

[0018] Figure 2 It is a sectional view of the quantitative filling structure for liquid material packaging provided by the utility model after omitting the rack;

[0019] Figure 3 It is Figure 2 A three-dimensional structure schematic view of the quantitative filling structure for liquid material packaging when the rotating wheel is located at the second position in the quantitative filling structure for liquid material packaging;

[0020] Figure 4 It is Figure 1 A three-dimensional structure schematic view of the quantitative filling structure for liquid material packaging from another perspective in the quantitative filling structure for liquid material packaging;

[0021] In the drawing: 100 - storage tank, 200 - quantitative mechanism, 210 - quantitative pipe, 220 - rotating wheel, 221 - flow channel, 230 - shell, 231 - cavity, 232 - liquid inlet, 233 - flow port, 234 - liquid outlet, 240 - driving assembly, 241 - rotating shaft, 242 - connecting rod, 243 - first telescopic driving part, 250 - piston assembly, 251 - piston, 252 - second telescopic driving part, 260 - liquid inlet pipe, 270 - discharge pipe, 300 - rack. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical scheme and advantages of the utility model more clear and obvious, the utility model is further described in detail below by combining with the drawings and examples. It should be understood that the specific examples described here are only used to explain the utility model, and are not used to limit the utility model.

[0023] The utility model provides a quantitative filling structure for liquid material packaging, and the structure is as shown in Figure 1 - Figure 3As shown, it comprises a storage tank 100 for containing liquid material to be filled and a metering mechanism 200 arranged below the storage tank 100. The metering mechanism 200 comprises a metering pipe 210 for containing a preset volume of liquid material and a rotating wheel 220 having a flow passage 221. When the rotating wheel 220 is in a first position, the inlet end of the flow passage 221 is in communication with the outlet end of the storage tank 100 and the outlet end of the flow passage 221 is in communication with the metering pipe 210. When the rotating wheel 220 is in a second position, the rotating wheel 220 blocks the outlet end of the storage tank 100 and the inlet end of the flow passage 221 is in communication with the metering pipe 210 for discharging the liquid material in the metering pipe 210.

[0024] In use, the liquid material to be filled is loaded into the storage tank 100. The rotating wheel 220 is controlled to be in the first position. Since the inlet end of the flow passage 221 is in communication with the outlet end of the storage tank 100 and the outlet end of the flow passage 221 is in communication with the metering pipe 210 when the rotating wheel 220 is in the first position, part of the liquid material in the storage tank 100 flows into the metering pipe 210 along the flow passage 221. When the liquid material in the metering pipe 210 reaches the preset volume, the rotating wheel 220 is controlled to be in the second position. Since the rotating wheel 220 blocks the outlet end of the storage tank 100 and the inlet end of the flow passage 221 is in communication with the metering pipe 210 when the rotating wheel 220 is in the second position, the liquid material in the metering pipe 210 is discharged into a packaging tank to complete the metering and filling of the liquid material. The liquid material packaging metering and filling structure is suitable for small-scale production of liquid material, avoids manual filling in small-scale production of liquid material, reduces the labor intensity of manual work in small-scale production of liquid material, and improves the metering and filling efficiency in small-scale production of liquid material.

[0025] As a preferred embodiment, please refer to Figure 1 and Figure 2The quantitative mechanism 200 further comprises a housing 230, the housing 230 has a cavity 231, the housing 230 is provided with a liquid inlet 232, a flow passage 233 and a liquid outlet 234 which communicate with the cavity 231, the liquid inlet 232 further communicates with the outlet end of the storage tank 100, the flow passage 233 further communicates with the quantitative pipe 210, the rotating wheel 220 is sealingly arranged in the cavity 231, when the rotating wheel 220 is located at the first position, the inlet end of the flow passage 221 communicates with the liquid inlet 232, the outlet end of the flow passage 221 communicates with the flow passage 233, when the rotating wheel 220 is located at the second position, the inlet end of the flow passage 221 communicates with the flow passage 233, the outlet end of the flow passage 221 communicates with the liquid outlet 234, the rotating wheel 220 can be accommodated in the cavity 231, so that the liquid material in the flow passage 221 can not be spilled during the rotation of the rotating wheel 220, and the reliability of the rotating wheel 220 for transferring the liquid material is enhanced.

[0026] As a preferred embodiment, refer to Figure 2 The liquid inlet 232 and the liquid outlet 234 are arranged above and below the flow passage 233 respectively, so that when the rotating wheel 220 is located at the first position, the inlet end of the flow passage 221 communicates with the liquid inlet 232, and the outlet end of the flow passage 221 can communicate with the flow passage 233, when the rotating wheel 220 is located at the second position, the inlet end of the flow passage 221 communicates with the flow passage 233, and the outlet end of the flow passage 221 can communicate with the liquid outlet 234.

[0027] As a preferred embodiment, refer to Figure 2 The flow passage 221 has an arc structure.

[0028] As a preferred embodiment, refer to Figure 2 The quantitative pipe 210 is horizontally arranged at the side of the housing 230, so that the liquid material in the quantitative pipe 210 can be easily discharged.

[0029] As a preferred embodiment, refer to Figure 2 One end of the quantitative pipe 210 close to the housing 230 is open and communicates with the flow passage 233, and the other end of the quantitative pipe 210 away from the housing 230 is open, so that the quantitative pipe 210 communicates with the flow passage 233.

[0030] As a preferred embodiment, refer to Figure 3 and Figure 4The quantitative mechanism 200 further comprises a driving assembly 240 connected with the rotating wheel 220 for driving the rotating wheel 220 to rotate reciprocatingly between the first position and the second position. The driving assembly 240 is activated to drive the rotating wheel 220 to rotate reciprocatingly between the first position and the second position, so that the rotating wheel 220 reaches the first position or the second position.

[0031] As a preferred embodiment, refer to Figure 3 and Figure 4 The driving assembly 240 comprises a rotating shaft 241, a connecting rod 242 and a first telescopic driving member 243. One end of the rotating shaft 241 is coaxially fixedly connected with the rotating wheel 220, and the other end of the rotating shaft 241 penetrates through the shell 230 and extends out of the shell 230. One end of the connecting rod 242 is fixedly connected with the other end of the rotating shaft 241. The other end of the first telescopic driving member 243 is hingedly connected with the other end of the connecting rod 242 for driving the other end of the connecting rod 242 to rotate reciprocatingly around the rotating shaft 241. The first telescopic driving member 243 is activated, and the telescopic end of the first telescopic driving member 243 is elongated or shortened to drive the other end of the connecting rod 242 to rotate reciprocatingly around the rotating shaft 241, so that the rotating wheel 220 can be driven to rotate reciprocatingly between the first position and the second position.

[0032] As a preferred embodiment, refer to Figure 2 and Figure 3The quantitative mechanism 200 further comprises a piston assembly 250, the piston assembly 250 comprises a piston 251 and a second telescopic driving member 252, the piston 251 is sealingly and slidingly arranged in the quantitative tube 210, the telescopic end of the second telescopic driving member 252 is fixedly connected with the piston 251, and is used for driving the piston 251 to reciprocally move along the axial direction of the quantitative tube 210, so as to adjust the length of the liquid material containing area in the quantitative tube 210 and push the liquid material in the liquid material containing area in the quantitative tube 210 out, when the rotating wheel 220 is located at the first position, the inlet end of the flow passage 221 is communicated with the liquid inlet 232, the outlet end of the flow passage 221 is communicated with the flow port 233, the second telescopic driving member 252 is started, the telescopic end of the second telescopic driving member 252 is shortened, the piston 251 is driven to move away from the shell 230, until the length of the liquid material containing area in the quantitative tube 210 reaches a preset value, part of the liquid material in the storage tank 100 flows into the quantitative tube 210 along the flow passage 221 and fills the liquid material containing area, when the rotating wheel 220 is located at the second position, the inlet end of the flow passage 221 is communicated with the flow port 233, the outlet end of the flow passage 221 is communicated with the liquid outlet 234, the second telescopic driving member 252 is started, the telescopic end of the second telescopic driving member 252 is lengthened, the piston 251 is driven to move close to the shell 230, and the liquid material in the quantitative tube 210 is pushed into the flow passage 221 and then discharged along the liquid outlet 234.

[0033] As a preferred embodiment, refer to Figure 2 The quantitative mechanism 200 further comprises a liquid inlet pipe 260, the liquid inlet pipe 260 is vertically arranged above the shell 230, the upper end of the liquid inlet pipe 260 is communicated with the outlet end of the storage tank 100, and the lower end of the liquid inlet pipe 260 is communicated with the liquid inlet 232, so that the storage tank 100 and the liquid inlet 232 are communicated through the liquid inlet pipe 260.

[0034] As a preferred embodiment, refer to Figure 2 The quantitative mechanism 200 further comprises a liquid outlet pipe 270, the liquid outlet pipe 270 is vertically arranged below the shell 230, the upper end of the liquid outlet pipe 270 is communicated with the liquid outlet 234, and the liquid material can be guided into the packaging tank through the liquid outlet pipe.

[0035] As a preferred embodiment, refer to Figure 2 The lower end of the liquid outlet pipe 270 is a tapered structure with a diameter gradually decreasing from top to bottom, so that the lower end of the liquid outlet pipe 270 can be inserted into the packaging tank.

[0036] As a preferred embodiment, refer to Figure 1The liquid material packaging quantitative filling structure further comprises a rack 300, the quantitative tube 210 is fixed on the rack 300, the shell 230 is fixed on the rack 300, and the fixed end of the first telescopic driving part 243 is hinged to the rack 300, so that the quantitative tube 210, the shell 230 and the first telescopic driving part 243 can be supported by the rack 300.

[0037] In order to better understand the present application, the following will be described in detail Figure 1 Figure 4 The working principle of the technical scheme of the present application will be described in detail.

[0038] In use, the liquid material to be filled is loaded into the storage tank 100, the second telescopic driving part 252 is started, the telescopic end of the second telescopic driving part 252 is shortened, the piston 251 is driven to move away from the shell 230, until the length of the material holding area in the quantitative tube 210 reaches a preset value, at this time, the rotating wheel 220 is located at the first position, because when the rotating wheel 220 is located at the first position, the inlet end of the flow passage 221 is communicated with the liquid inlet 232, and the outlet end of the flow passage 221 is communicated with the overflow port 233, part of the liquid material in the storage tank 100 flows into the quantitative tube 210 along the flow passage 221, and fills the material holding area, the first telescopic driving part 243 is started, the telescopic end of the first telescopic driving part 243 is elongated, the other end of the connecting rod 242 is driven to rotate around the rotating shaft 241, so as to drive the rotating wheel 220 to reach the second position, because when the rotating wheel 220 is located at the second position, the inlet end of the flow passage 221 is communicated with the overflow port 233, and the outlet end of the flow passage 221 is communicated with the liquid outlet 234, the second telescopic driving part 252 is started, the telescopic end of the second telescopic driving part 252 is elongated, the piston 251 is driven to move close to the shell 230, and the liquid material in the quantitative tube 210 is pushed into the flow passage 221, and then is discharged along the liquid outlet 234 into the packaging tank, completing the quantitative filling of the liquid material, the liquid material packaging quantitative filling structure is suitable for small-scale production of liquid material filling operation, avoids the problem of manual filling when small-scale production of liquid material, reduces the labor intensity of manual work when small-scale production of liquid material, and improves the quantitative filling efficiency when small-scale production of liquid material.

[0039] The liquid material packaging quantitative filling structure has the following beneficial effects:

[0040] ​(1) the piston 251 is away from the shell 230, so that the length of the material area in the dosing tube 210 reaches a preset value, the length of the material area in the dosing tube 210 can be adjusted in real time, so as to meet the quantitative filling of the packaging can of different capacity;

[0041] (2) the piston 251 is close to the shell 230, so as to push the liquid material in the dosing tube 210 into the overflow channel 221, and ensure that the liquid material in the material area in the dosing tube 210 can enter the packaging can;

[0042] (3) the quantitative filling structure for liquid material packaging is suitable for the filling operation of small-scale production of liquid material, avoids the problem of manual filling when small-scale production of liquid material, reduces the labor intensity of manual work when small-scale production of liquid material, and improves the quantitative filling efficiency when small-scale production of liquid material.

[0043] The specific implementation mode of the utility model above does not constitute the limitation of the protection scope of the utility model. Any various other corresponding changes and deformation according to the technical concept of the utility model should be contained in the protection scope of the utility model claim.

Claims

1. A quantitative filling structure for liquid material packaging, characterized in that, The application relates to a liquid filling device. The device comprises a storage tank for storing liquid material to be filled, a quantitative mechanism arranged below the storage tank, the quantitative mechanism comprising a quantitative tube for storing a preset volume of liquid material and a rotating wheel having a flow passage, the rotating wheel being capable of rotating back and forth between a first position and a second position, when the rotating wheel is in the first position, the inlet end of the flow passage is communicated with the outlet end of the storage tank, and the outlet end of the flow passage is communicated with the quantitative tube, when the rotating wheel is in the second position, the rotating wheel blocks the outlet end of the storage tank, and the inlet end of the flow passage is communicated with the quantitative tube, so as to discharge the liquid material in the quantitative tube. The quantitative mechanism further comprises a housing having a cavity, the housing being provided with a liquid inlet, a flow passage and a liquid outlet communicated with the cavity, the liquid inlet being further communicated with the outlet end of the storage tank, the flow passage being further communicated with the quantitative tube, and the rotating wheel being sealingly arranged in the cavity and rotating back and forth, when the rotating wheel is in the first position, the inlet end of the flow passage is communicated with the liquid inlet, and the outlet end of the flow passage is communicated with the flow passage, when the rotating wheel is in the second position, the inlet end of the flow passage is communicated with the flow passage, and the outlet end of the flow passage is communicated with the liquid outlet.

2. The liquid material packaging dosing structure according to claim 1, characterized by, The liquid inlet and the liquid outlet are oppositely arranged above and below the flow passage.

3. The liquid material packaging dosing structure according to claim 2, characterized by, The quantitative tube is horizontally arranged at the side of the housing.

4. The liquid material packaging dosing structure according to claim 2, wherein One end of the quantitative tube close to the housing is open and communicated with the flow passage, and the other end of the quantitative tube away from the housing is open.

5. The liquid material packaging dosing structure according to claim 4, wherein The quantitative mechanism further comprises a driving assembly connected with the rotating wheel and used for driving the rotating wheel to rotate back and forth between the first position and the second position.

6. The liquid material packaging dosing structure according to claim 2, wherein The driving assembly comprises a rotating shaft, a connecting rod and a first telescopic driving member, one end of the rotating shaft is coaxially fixedly connected with the rotating wheel, the other end of the rotating shaft penetrates through the housing and extends out of the housing, one end of the connecting rod is fixedly connected with the other end of the rotating shaft, and the telescopic end of the first telescopic driving member is hingedly connected with the other end of the connecting rod and used for driving the other end of the connecting rod to rotate back and forth around the rotating shaft.

7. The liquid material packaging dosing structure according to claim 6, wherein The quantitative mechanism further comprises a piston assembly, the piston assembly comprising a piston and a second telescopic driving member, the piston is sealingly and slidingly arranged in the quantitative tube, and the telescopic end of the second telescopic driving member is fixedly connected with the piston and used for driving the piston to move back and forth along the axial direction of the quantitative tube, so as to adjust the length of the material storage area in the quantitative tube and push the liquid material in the material storage area out.

8. The liquid material packaging dosing structure according to claim 1, wherein The quantitative mechanism further comprises a liquid inlet pipe, the liquid inlet pipe being vertically arranged above the housing, the upper end of the liquid inlet pipe being communicated with the outlet end of the storage tank, and the lower end of the liquid inlet pipe being communicated with the liquid inlet.

9. The liquid material packaging dosing structure according to claim 2, wherein The quantitative mechanism further comprises a material outlet pipe, the material outlet pipe being vertically arranged below the housing, the upper end of the material outlet pipe being communicated with the liquid outlet.

10. The liquid material packaging dosing structure according to claim 2, wherein ​

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