CN214947078U

CN214947078U - Sealing connection device for weightless balance feed port

Info

Publication number: CN214947078U
Application number: CN202121254952.8U
Authority: CN
Inventors: 易荃; 张军发; 尹志勇; 桂建锋
Original assignee: Zhejiang Laiba Technology Co ltd
Current assignee: Zhejiang Laiba Technology Co ltd
Priority date: 2021-06-05
Filing date: 2021-06-05
Publication date: 2021-11-30
Anticipated expiration: 2031-06-05

Abstract

The utility model discloses a weightless title sealing connection device for feed port, including weightless title main part, set up feed inlet in weightless title main part and the conveying pipeline that is used for carrying the material, a serial communication port, be provided with controlling means between conveying pipeline and the feed inlet, controlling means can fix the conveying pipeline in feed inlet department and can seal the space between conveying pipeline and the feed inlet, can select the stationary state between conveying pipeline and the feed inlet, and then make and present sealed fixed connection's state between conveying pipeline and the feed inlet, or the conveying pipeline independently hangs, the state of contact with the feed inlet.

Description

Sealing connection device for weightless balance feed port

Technical Field

The utility model relates to a weightless title feed arrangement technical field, in particular to weightless title sealing connection device for feed port.

Background

The weightlessness scale is an automatic weighing device which realizes high-precision continuous quantitative feeding by a static weighing mode, can reliably, accurately and stably feed dry and scattered materials such as powder, particles, tablets and the like, reduces the waste of the materials and improves the consistency of a mixture.

In the prior art, a material enters a hopper of a weightless scale through a material conveying pipe, the material conveying pipe is fixedly connected with a feed inlet of the hopper, and when the material moves in the material conveying pipe, acting forces in multiple directions can be given to the material conveying pipe, so that the measurement accuracy of the weightless scale is influenced under the force transfer effect.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a weightless sealed connection device for title feed port can select the fixed state between conveying pipeline and the feed inlet, and then makes to present sealed fixed connection's state between conveying pipeline and the feed inlet, or the conveying pipeline independently hangs, not with the state of feed inlet contact.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides a weightless balance is sealing connection device for feed port, includes weightless balance main part, sets up feed inlet and the conveying pipeline that is used for carrying the material in weightless balance main part, be provided with controlling means between conveying pipeline and the feed inlet, controlling means can fix the conveying pipeline in feed inlet department and can seal the space between conveying pipeline and the feed inlet.

The control device comprises a supporting seat fixed at one end of the conveying pipe and an air inlet seat sleeved on the conveying pipe, an inflatable sealing ring is arranged between the air inlet seat and the supporting seat, an air inlet pipe is fixed on the sealing ring, and a through hole matched with the air inlet pipe is formed in the air inlet seat.

The air inlet seat is further provided with an adjusting groove, and a balancing weight is arranged in the adjusting groove.

And a rubber layer is fixed on the inner wall of the feed inlet.

Adopt above-mentioned technical scheme's beneficial effect: the expansion and contraction of the sealing ring can be realized by inflating and deflating the sealing ring, and the fixing and sealing of the conveying pipe are further realized through the sealing ring; the horizontal suspension state of the material conveying pipe can be finely adjusted through the matching of the adjusting groove and the balancing weight, so that the horizontal arrangement of one end of the material conveying pipe is realized; in the weighing process, the sealing ring is in a reduced state, so that the conveying pipe and the feeding hole are in independent states respectively, and the precision of weight measurement is guaranteed.

The control device comprises a mounting seat, a sealing seat and an elastic assembly, wherein the outer sleeve of the mounting seat is fixed on the conveying pipe, the outer sleeve of the sealing seat is arranged on the conveying pipe and is in sliding fit with the mounting seat, the elastic assembly is arranged on the mounting seat and used for restoring the sealing seat, electromagnets are symmetrically fixed below the sealing seat, and an iron ring is fixed above the feeding hole.

And a sealing block is fixed above the iron ring.

The elastic component is a spring, an elastic sheet or a tensioning belt.

Adopt above-mentioned technical scheme's beneficial effect: the electromagnet is electrified, so that the space between the material conveying pipe and the feeding hole can be sealed under the matching action of the electromagnet and the iron ring, and meanwhile, the material conveying pipe and the feeding hole can be fixed; the electromagnet which is powered off can be reset in position through the elastic assembly, and the next use of the electromagnet is ensured; after the electromagnet is powered off, the material conveying pipe is in an independent suspension state, so that the contact between the material conveying pipe and the feeding hole can be avoided, and the precision of weight measurement is ensured.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment;

FIG. 2 is a schematic diagram of an embodiment for illustrating the relationship between a seal ring and a feed inlet;

FIG. 3 is a schematic diagram illustrating the relationship between the electromagnet and the iron pipe according to the embodiment.

Reference numerals: 1. a weightless scale main body; 2. a delivery pipe; 3. a feed inlet; 4. a supporting seat; 5. an air inlet seat; 6. a seal ring; 7. an air inlet pipe; 8. a through hole; 9. an adjustment groove; 10. a balancing weight; 11. a rubber layer; 12. a mounting seat; 13. a sealing seat; 14. an electromagnet; 15. an iron ring; 16. a sealing block; 17. an elastic component.

Detailed Description

The following is only the preferred embodiment of the present invention, the protection scope is not limited to this embodiment, and all technical solutions belonging to the idea of the present invention should belong to the protection scope of the present invention. It should also be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and such modifications and decorations should also be regarded as the protection scope of the present invention.

Example one

As shown in fig. 1 and 2, the sealing connection device for the feeding port of the weightless scale comprises a weightless scale body 1, a feeding port 3 arranged on the weightless scale body 1 and a feeding pipe 2 used for conveying materials, wherein a control device is arranged between the feeding pipe 2 and the feeding port 3, and can fix the feeding pipe 2 at the feeding port 3 and seal the space between the feeding pipe 2 and the feeding port 3.

As shown in fig. 2, the control device comprises a support seat 4 fixed at one end of the feed delivery pipe 2 and an air inlet seat 5 externally sleeved on the feed delivery pipe 2, an inflatable sealing ring 6 is arranged between the air inlet seat 5 and the support seat 4, an air inlet pipe 7 is fixed on the sealing ring 6, and a through hole 8 matched with the air inlet pipe 7 is formed in the air inlet seat 5.

The air pump is connected with the air inlet pipe 7 through the air hose, when the material conveying pipe 2 needs to be fixed, the air inlet pipe 7 is inflated, the air entering the air inlet pipe 7 enters the sealing ring 6, the sealing ring 6 is expanded continuously, when the sealing ring 6 is attached to the inner wall of the feed inlet 3, the sealing ring 6 is used for filling and sealing a gap between the material conveying pipe 2 and the inner wall of the feed inlet 3, the material conveying pipe 2 is fixed at the inlet at the moment, the fixing of the material conveying pipe 2 is realized, the rubber layer 11 is fixed on the inner wall of the feed inlet 3, the sealing performance between the material conveying pipe 2 and the feed inlet 3 can be further improved through the rubber layer 11, then the material can enter a material storage space with a weightlessness scale through the material conveying pipe 2, after the material is discharged, the air inlet pipe 7 is deflated, the sealing ring 6 is contracted and is further contracted between the air inlet seat 5 and the supporting seat 4, the position of the sealing ring 6 can be limited through the air inlet seat 5 and the supporting seat 4, the sealing ring 6 is prevented from falling off, when the sealing ring 6 contracts between the supporting seat 4 and the air inlet seat 5, at the moment, the conveying pipe 2 is in an independent suspension state and does not contact with the inner wall of the feeding hole 3, the weightless scale main body 1 is weighed, the existence of acting force of the conveying pipe 2 on the weightless scale main body 1 is avoided, and the measurement precision of weightless weighing capacity is ensured.

As shown in fig. 2, an adjusting groove 9 is further formed in the air inlet seat 5, a balancing weight 10 is arranged in the adjusting groove 9, the horizontal state of the conveying pipe 2 can be adjusted through the adjusting groove 9 and the balancing weight 10, the conveying pipe 2 is prevented from being in an inclined state, the sealing effect of the sealing ring 6 is ensured, and meanwhile, the conveying pipe 2 and the feed inlet 3 can be in mutually independent states.

Example two

As shown in fig. 3, the control device comprises an installation seat 12 externally sleeved on the feeding pipe 2, a sealing seat 13 externally sleeved on the feeding pipe 2 and in sliding fit with the installation seat 12, and an elastic component 17 arranged on the installation seat 12 and used for restoring the sealing seat 13, wherein electromagnets 14 are symmetrically fixed below the sealing seat 13, an iron ring 15 is fixed above the feeding port 3, when in use, the electromagnet 14 is electrified to have magnetism, and at this time, the electromagnet 14 moves downwards under the cooperation of the iron ring 15, the electromagnet 14 moves downwards to drive the sealing seat 13 to move downwards together, because the sealing block 16 is fixed above the iron ring 15, when the electromagnet 14 is jointed with the upper end surface of the sealing block 16, the lower end surface of the sealing seat 13 is also jointed with the upper end surface of the sealing block 16, furthermore, the feed pipe 2 and the feed inlet 3 are fixed by the sealing seat 13, and the material can be conveyed through the feed pipe 2.

The electromagnet 14 is powered off, at the moment, the electromagnet 14 is in a non-magnetic state, because the elastic component 17 is a spring, an elastic sheet or a tensioning belt, under the action of the elastic force of the elastic component 17, the sealing seat 13 moves upwards, when the upper end face of the sealing seat 13 is attached to the lower end face of the mounting seat 12, the sealing seat 13 returns to an original state, at the moment, the electromagnet 14 is powered on again, the fixing of the conveying pipe 2 and the sealing between the conveying pipe 2 and the feeding hole 3 can be realized, when the sealing block 16 is in the original state, the conveying pipe 2 is in an independent suspension state, at the moment, the conveying pipe 2 is not in contact with the feeding hole 3, the independent work of the weightlessness scale main body 1 is ensured, and the measurement accuracy of the weightlessness scale is ensured.

Claims

1. The utility model provides a weightless balance is sealing connection device for feed port, includes weightless balance main part (1), sets up feed inlet (3) on weightless balance main part (1) and conveying pipeline (2) that are used for carrying the material, its characterized in that, be provided with controlling means between conveying pipeline (2) and feed inlet (3), controlling means can fix conveying pipeline (2) in feed inlet (3) department and can seal the space between conveying pipeline (2) and feed inlet (3).

2. The sealing connection device for the feeding port of the weightless balance as claimed in claim 1, wherein the control device comprises a support base (4) fixed at one end of the feeding pipe (2) and an air inlet base (5) externally sleeved on the feeding pipe (2), an inflatable sealing ring (6) is arranged between the air inlet base (5) and the support base (4), an air inlet pipe (7) is fixed on the sealing ring (6), and a through hole (8) matched with the air inlet pipe (7) is formed on the air inlet base (5).

3. The sealed connection device for the weightless balance feed port according to claim 2, wherein the air inlet seat (5) is further provided with an adjusting groove (9), and a balancing weight (10) is arranged in the adjusting groove (9).

4. The sealed connecting device for the weightless balance feeding port according to claim 2, wherein a rubber layer (11) is fixed on the inner wall of the feeding port (3).

5. The sealing connection device for the feeding port of the weightless balance as claimed in claim 1, wherein the control device comprises a mounting seat (12) sleeved on the feeding pipe (2), a sealing seat (13) sleeved on the feeding pipe (2) and slidably engaged with the mounting seat (12), and an elastic component (17) arranged on the mounting seat (12) and used for restoring the sealing seat (13), wherein electromagnets (14) are symmetrically fixed below the sealing seat (13), and an iron ring (15) is fixed above the feeding port (3).

6. The sealing connection device for the weightless balance feeding port according to claim 5, wherein a sealing block (16) is fixed above the iron ring (15).

7. The sealed connection device for a weightless balance feeding port according to claim 5, wherein said elastic member (17) is a spring, an elastic sheet or a tension band.