CN215591050U - Control valve for screw filling discharge pipe - Google Patents
Control valve for screw filling discharge pipe Download PDFInfo
- Publication number
- CN215591050U CN215591050U CN202122099783.1U CN202122099783U CN215591050U CN 215591050 U CN215591050 U CN 215591050U CN 202122099783 U CN202122099783 U CN 202122099783U CN 215591050 U CN215591050 U CN 215591050U
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- China
- Prior art keywords
- discharge pipe
- transmission rod
- connecting ring
- control valve
- mounting plate
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- 230000005540 biological transmission Effects 0.000 claims abstract description 46
- 238000007599 discharging Methods 0.000 claims abstract description 22
- 238000012546 transfer Methods 0.000 claims description 8
- 239000003381 stabilizer Substances 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 11
- 238000007789 sealing Methods 0.000 abstract description 4
- 238000010079 rubber tapping Methods 0.000 description 15
- 238000005303 weighing Methods 0.000 description 8
- 238000004806 packaging method and process Methods 0.000 description 7
- 239000000843 powder Substances 0.000 description 5
- 238000012856 packing Methods 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 235000013361 beverage Nutrition 0.000 description 2
- 239000002775 capsule Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 1
- 239000008267 milk Substances 0.000 description 1
- 210000004080 milk Anatomy 0.000 description 1
- 235000013336 milk Nutrition 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
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- Basic Packing Technique (AREA)
Abstract
A control valve of a screw rod filling discharge pipe comprises a driving mounting plate, a closed driving unit arranged on the driving mounting plate, a first transmission rod with a first end rotatably connected with the output end of the closed driving unit, a second transmission rod with a first end rotatably connected with the second end of the first transmission rod, a sleeve connected with the second end of the second transmission rod, and a closed part arranged on the sleeve and movably located in the discharge pipe; the middle part of the first transmission rod is rotationally connected with the driving mounting plate; the sleeve comprises a first connecting ring movably positioned outside the discharge pipe, a second connecting ring movably positioned outside the tail end of the discharge pipe and a plurality of connecting rods connected between the first connecting ring and the second connecting ring, and the closed part is arranged on one side, facing the discharge pipe, of the second connecting ring. The sealing driving unit drives the sleeve to move up and down, and when the second connecting ring or the sealing part is abutted against the discharge pipe, the discharge pipe is sealed. So prevent that the remaining material in the discharging tube from falling into the wrapping bag, realize accurate quantitative control.
Description
Technical Field
The utility model relates to the technical field of powder packaging, in particular to a control valve of a screw rod filling discharge pipe.
Background
Powdered products, such as milk powder, paint, powder, etc., are packaged in packaging bags after being made. The existing packaging equipment realizes quantitative control by pushing materials in a storage bin to the outside through a discharge pipe through screw rotation, for example, a beverage capsule filling mechanism and a beverage capsule filling method disclosed in chinese patent CN 107776920A. However, such quantitative control still has errors, for example, when the weight of the material in the packaging bag reaches a predetermined value, the material will continuously fall into the packaging bag because a part of the material still remains in the discharge pipe, so that the weight of the material in the packaging bag exceeds the predetermined value.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention provides a control valve for a screw filling/discharging tube, which can prevent the residual material in the discharging tube from falling into a packaging bag and realize precise quantitative control, so as to solve the above problems.
A control valve of a screw rod filling discharge pipe is arranged on a discharge pipe and comprises a driving mounting plate connected with the discharge pipe, a closed driving unit arranged on the driving mounting plate, a first transmission rod with a first end rotatably connected with the output end of the closed driving unit, a second transmission rod with a first end rotatably connected with the second end of the first transmission rod, a sleeve connected with the second end of the second transmission rod, and a closed part arranged on the sleeve and movably located in the discharge pipe; the middle part of the first transmission rod is rotationally connected with the driving mounting plate; the sleeve comprises a first connecting ring movably positioned outside the discharge pipe, a second connecting ring movably positioned outside the tail end of the discharge pipe and a plurality of connecting rods connected between the first connecting ring and the second connecting ring, and the closed part is arranged on one side, facing the discharge pipe, of the second connecting ring.
Furthermore, the middle part of the first transmission rod is rotatably connected with the driving mounting plate through a first rotating shaft.
Furthermore, the first end of the second transmission rod is rotatably connected with the second end of the first transmission rod through a second rotating shaft.
Furthermore, the second end of the first transmission rod is connected with two support legs which are respectively positioned at two sides of the discharge pipe; the quantity of second transfer line is two, and the first end of two second transfer lines is connected with two stabilizer blades of first transfer line are rotated respectively, and the second end of two second transfer lines is connected with the part that the sleeve is located the both sides of discharging pipe respectively.
Furthermore, the closing part has a large end connected to the second connecting ring and a small end which is movably located in the discharge pipe.
Further, the shape of the closing portion is conical.
Further, the shape of the closing part is a truncated cone.
Compared with the prior art, the control valve for the screw rod filling discharge pipe comprises a driving mounting plate connected with the discharge pipe, a closed driving unit arranged on the driving mounting plate, a first transmission rod with a first end rotatably connected with the output end of the closed driving unit, a second transmission rod with a first end rotatably connected with the second end of the first transmission rod, a sleeve connected with the second end of the second transmission rod, and a closed part arranged on the sleeve and movably located in the discharge pipe; the middle part of the first transmission rod is rotationally connected with the driving mounting plate; the sleeve comprises a first connecting ring movably positioned outside the discharge pipe, a second connecting ring movably positioned outside the tail end of the discharge pipe and a plurality of connecting rods connected between the first connecting ring and the second connecting ring, and the closed part is arranged on one side, facing the discharge pipe, of the second connecting ring. The sealing driving unit drives the sleeve to move up and down through the first transmission rod and the second transmission rod, so that the second connecting ring is close to or far away from the discharge pipe, and when the second connecting ring or the sealing part is abutted against the discharge pipe, the discharge pipe is sealed. So prevent that the remaining material in the discharging tube from falling into the wrapping bag, realize accurate quantitative control.
Drawings
Embodiments of the utility model are described below with reference to the accompanying drawings, in which:
fig. 1 is a perspective view of a first view of a screw filling apparatus having a control valve for a screw filling and discharging tube according to the present invention.
Fig. 2 is a perspective view of the screw filling device from a second perspective.
Fig. 3 is an enlarged schematic view of a portion a in fig. 2.
FIG. 4 is a partial perspective view of a screw fill and discharge tube control valve.
Detailed Description
Specific embodiments of the present invention will be described in further detail below based on the drawings. It should be understood that the description herein of embodiments of the utility model is not intended to limit the scope of the utility model.
Referring to fig. 1 to 3, the screw filling apparatus having the screw filling/discharging pipe control valve provided in the present invention includes a frame 10, a hopper 20 disposed at the top of the frame 10, a discharging pipe 21 disposed at the bottom opening of the hopper 20, a screw rotatably disposed in the hopper 20 and the discharging pipe 21, a screw driving unit for driving the screw to rotate, a weighing unit 30 disposed at the middle of the frame 10, and a lifting mechanism 40 disposed on the weighing unit 30 and on a side of the discharging pipe 21 away from the hopper 20.
The screw driving unit is disposed above the hopper 20.
The middle of the frame 10 is connected with a first mounting plate 11, and the weighing unit 30 is mounted on the first mounting plate 11.
The lifting mechanism 40 comprises a lifting support 41 connected with the weighing unit 30, a bag opening assembly 42 arranged at the top of the lifting support 41, and a supporting plate 43 arranged at the bottom of the lifting support 41.
In this embodiment, rollers 431 are rotatably provided on outer sides of both ends of the pallet 43, a conveyor belt 432 is provided between the two rollers 431, and a roller driving unit 433 for driving at least one roller 431 to rotate is further provided on the pallet 43. After the bags have been filled and weighed in this way, the filled bags can be removed and an empty bag can be moved under the discharge tube 21.
The pouches are positioned on a pallet 43 or conveyor 432 and a bag-opening assembly 42 is used to open the mouth of the pouches so that the bottom of the spout 21 is positioned in the pouches.
A controller is connected to the weighing unit 30 and the screw drive unit.
The screw driving unit drives the screw to rotate, so that the powder material in the hopper 20 is filled into the package, and the weighing unit 30 weighs the powder material in the package. When the weighing result of the weighing unit 30 reaches a predetermined value, the controller controls the screw driving unit to stop operating.
The bag opening assembly 42 includes a second mounting plate 421 connected to the top of the lifting bracket 41, and a bag opening unit 422 mounted to the second mounting plate 421 away from the bottom surface of the hopper 20. An opening is formed in the middle of the second mounting plate 421, and the discharge pipe 21 passes through the opening.
The bag supporting unit 422 comprises a fixed clamping block 4221 fixedly connected with the bottom surface of the second mounting plate 421, a movable clamping block 4222 movably arranged opposite to the fixed clamping block 4221, a rotating shaft 4225 connected with the movable clamping block 4222, and a swing driving unit 4227 mounted on the bottom surface of the second mounting plate 421 and used for driving the rotating shaft 4225 to swing.
The rotation shaft 4225 is rotatably connected to the second mounting plate 421.
The fixed clamping block 4221 and the movable clamping block 4222 are both arc-shaped, and two ends of the fixed clamping block 4221 and the movable clamping block 4222 are both provided with a butting block in a protruding mode.
The middle part of the fixed clamping block 4221 is fixedly connected with the bottom surface of the second mounting plate 421 through a first connecting block 4223. The middle part of the movable clamping block 4222 is connected with the rotating shaft 4225 through a second connecting block 4224.
A connection lug 4226 is protrudingly arranged on the circumferential outer side wall of one end of the rotating shaft 4225, and the output end of the swing driving unit 4227 is rotatably connected with the connection lug 4226. The bottom of the tapping tube 21 is located between the movable clamping block 4222 and the fixed clamping block 4221.
The swing driving unit 4227 drives the rotation shaft 4225 to rotate at a certain angle, so that the movable clamping block 4222 moves closer to or away from the fixed clamping block 4221.
The top of the packing bag is sleeved on the outside of the discharging pipe 21, and the movable clamping block 4222 moves towards the fixed clamping block 4221 to clamp the top of the packing bag, so that the packing bag is opened.
Referring to fig. 4, the bottom of the discharging pipe 21 is further provided with a screw filling discharging pipe control valve 22. The screw filling and discharging pipe control valve comprises a driving mounting plate 221 connected with the discharging pipe 21, a closed driving unit 222 mounted on the driving mounting plate 221, a first transmission rod 223 with a first end rotatably connected with an output end of the closed driving unit 222, a second transmission rod 224 with a first end rotatably connected with a second end of the first transmission rod 223, a sleeve connected with a second end of the second transmission rod 224, and a closed part 228 arranged on the sleeve and movably located in the discharging pipe 21.
The drive mounting plate 221 is connected to the tapping pipe 21 via a clamp.
The middle portion of the first driving rod 223 is rotatably connected to the driving mounting plate 221 through a first rotating shaft.
The first end of the second transmission rod 224 is rotatably connected to the second end of the first transmission rod 223 through a second rotation shaft.
In this embodiment, the second end of the first transmission rod 223 is connected with two support legs, and the two support legs are respectively located at two sides of the discharging pipe 21; the number of the second transmission rods 224 is two, first ends of the two second transmission rods 224 are respectively rotatably connected with the two support legs of the first transmission rod 223 through a second rotating shaft, and second ends of the two second transmission rods 224 are respectively connected with portions of the sleeve located at two sides of the discharge pipe 21. So the stress is more uniform and the inclination of the sleeve or the closed part is avoided.
The sleeve comprises a first connecting ring 225 which is movably located outside the tapping pipe 21, a second connecting ring 227 which is movably located on the side of the tapping pipe 21 remote from the hopper 20, and a number of connecting rods 226 which are connected between the first connecting ring 225 and the second connecting ring 227.
A closure 228 is arranged on the side of the second connecting ring 227 facing the tapping pipe 21. The closing part 228 has a conical or truncated cone shape, and the small end of the closing part 228 is movably located in the tapping pipe 21.
The closure drive unit 222 drives the sleeve up and down via the first drive rod 223 and the second drive rod 224, so that the second connecting ring 227 approaches or moves away from the tapping pipe 21, and when the second connecting ring 227 or the closure portion 228 abuts against the tapping pipe 21, a closure of the tapping pipe 21 is achieved.
Compared with the prior art, the screw rod filling discharge pipe control valve comprises a driving mounting plate 221 connected with a discharge pipe 21, a closed driving unit 222 mounted on the driving mounting plate 221, a first transmission rod 223 with a first end rotatably connected with the output end of the closed driving unit 221, a second transmission rod 224 with a first end rotatably connected with the second end of the first transmission rod 223, a sleeve connected with the second end of the second transmission rod 224, and a closed part 228 arranged on the sleeve and movably located in the discharge pipe; the middle part of the first transmission rod 223 is rotatably connected with the driving mounting plate 221; the sleeve comprises a first connecting ring 225 which is movably located outside the tapping pipe, a second connecting ring 227 which is movably located outside the distal end of the tapping pipe 21, and a plurality of connecting rods 226 which are connected between the first connecting ring 225 and the second connecting ring 227, the closure 228 being arranged on the side of the second connecting ring 227 facing the tapping pipe 21. The closure drive unit 222 drives the sleeve up and down via the first drive rod 223 and the second drive rod 224, so that the second connecting ring 227 approaches or moves away from the tapping pipe 21, and when the second connecting ring 227 or the closure portion 228 abuts against the tapping pipe 21, a closure of the tapping pipe 21 is achieved. So prevent that the remaining material in the discharging tube from falling into the wrapping bag, realize accurate quantitative control.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the present invention, and any modifications, equivalents or improvements that are within the spirit of the present invention are intended to be covered by the following claims.
Claims (7)
1. The utility model provides a discharging pipe control valve is filled to screw rod, sets up on a discharging pipe, its characterized in that: the screw rod filling discharge pipe control valve comprises a driving mounting plate connected with the discharge pipe, a closed driving unit arranged on the driving mounting plate, a first transmission rod with a first end rotatably connected with the output end of the closed driving unit, a second transmission rod with a first end rotatably connected with the second end of the first transmission rod, a sleeve connected with the second end of the second transmission rod, and a closed part arranged on the sleeve and movably located in the discharge pipe; the middle part of the first transmission rod is rotationally connected with the driving mounting plate; the sleeve comprises a first connecting ring movably positioned outside the discharge pipe, a second connecting ring movably positioned outside the tail end of the discharge pipe and a plurality of connecting rods connected between the first connecting ring and the second connecting ring, and the closed part is arranged on one side, facing the discharge pipe, of the second connecting ring.
2. The screw fill spout control valve of claim 1, wherein: the middle part of the first transmission rod is rotatably connected with the driving mounting plate through a first rotating shaft.
3. The screw fill spout control valve of claim 1, wherein: and the first end of the second transmission rod is rotatably connected with the second end of the first transmission rod through a second rotating shaft.
4. The screw fill spout control valve of claim 1, wherein: the second end of the first transmission rod is connected with two support legs which are respectively positioned at two sides of the discharging pipe; the quantity of second transfer line is two, and the first end of two second transfer lines is connected with two stabilizer blades of first transfer line are rotated respectively, and the second end of two second transfer lines is connected with the part that the sleeve is located the both sides of discharging pipe respectively.
5. The screw fill spout control valve of claim 1, wherein: the closed part is provided with a big head end and a small head end, the big head end is connected with the second connecting ring, and the small head end is movably positioned in the discharge pipe.
6. The screw fill spout control valve of claim 5, wherein: the shape of the closing part is conical.
7. The screw fill spout control valve of claim 5, wherein: the shape of the closed part is a circular truncated cone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122099783.1U CN215591050U (en) | 2021-09-01 | 2021-09-01 | Control valve for screw filling discharge pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122099783.1U CN215591050U (en) | 2021-09-01 | 2021-09-01 | Control valve for screw filling discharge pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215591050U true CN215591050U (en) | 2022-01-21 |
Family
ID=79883872
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122099783.1U Active CN215591050U (en) | 2021-09-01 | 2021-09-01 | Control valve for screw filling discharge pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215591050U (en) |
-
2021
- 2021-09-01 CN CN202122099783.1U patent/CN215591050U/en active Active
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