CN110668203A - Eccentric pneumatic feeding device and feeding system - Google Patents

Abstract

The invention discloses an eccentric pneumatic feeding device and a feeding system, which comprise a feeding hopper, wherein a hollow support is arranged below the feeding hopper, a discharging hole is formed below the hollow support, the hollow support has a set thickness and is provided with a through hole communicated with the discharging hole and the feeding hopper, a movable plate is arranged in the hollow support, and the movable plate opens or closes the through hole through movement. During feeding, the ton bag is hung above the opening of the mixing tank by a travelling crane, the discharge port of the ton bag is untied and then placed in the feed hopper of the feeding device, feeding is started, the feeding reaches the required weight and then is acted by a valve, the feeding device can eject the self-made movable plate out through the cylinder to plug the feeding port, so that the raw materials are isolated, the residual raw materials are isolated in the ton bag, and the valve is opened again for feeding next time. The device can increase the accuracy of feeding and improve the working efficiency, avoids the risk of material leakage and also reduces the risk of quality fluctuation.

Description

Eccentric pneumatic feeding device and feeding system

Technical Field

The invention relates to an eccentric pneumatic feeding device and a feeding system.

Background

In the production feeding process, because the raw material weight of each bag of the ton bag is different from the feeding demand at every turn, the material feeding port of the ton bag is required to be wrapped after the feeding is finished at every turn, the material leakage risk can be caused if the material is not wrapped well, and the feeding weight is inaccurate if the weight is judged inaccurately, glue is required to be added again or the raw material is added again, the working efficiency is reduced, and the risk of quality fluctuation is increased.

Disclosure of Invention

Aiming at the problems, the invention provides an eccentric pneumatic feeding device and a feeding system, which greatly increase the feeding accuracy, improve the working efficiency, avoid the risk of material leakage and reduce the risk of quality fluctuation.

In order to achieve the technical purpose and achieve the technical effect, the invention is realized by the following technical scheme:

the utility model provides an eccentric pneumatic feeding device, includes the feeder hopper, the feeder hopper below is provided with the cavity support, cavity support below is provided with the discharge gate, the through-hole that the thickness and the cavity support that the cavity support had the settlement are provided with intercommunication discharge gate and feeder hopper, the cavity support embeds has mobilizable fly leaf, the fly leaf is opened or closed through-hole through the removal.

Preferably, the hollow support is provided with a cylinder and a valve controlling the cylinder, the cylinder is connected with the movable plate and the cylinder brings the movable plate to move along the radial direction of the through hole.

Preferably, the valve is a two-position five-way manual valve.

Preferably, the feed hopper and the discharge port are arranged non-coaxially.

Preferably, a plurality of supporting rods are arranged at the outlet of the feed hopper.

Preferably, the feeder hopper is wide hollow structure narrow down, the first half of discharge gate is wide hollow structure narrow down, the latter half of discharge gate is hollow cylinder structure.

The eccentric pneumatic feeding system comprises a mixing tank, wherein a tonnage display and a weighing sensor are arranged on the mixing tank, the eccentric pneumatic feeding device further comprises any one of the eccentric pneumatic feeding devices, and the mixing tank feeds materials through the eccentric pneumatic feeding devices.

Preferably, still include the driving a vehicle, the driving a vehicle is provided with the lifting hook that is used for hoisting ton package.

The invention has the beneficial effects that:

hang ton package to blending tank mouth top by the driving during the material of throwing, untie ton package discharge gate and place in the feeder hopper of throwing the material device after untiing, begin to throw the material, throw after the material reachs required weight (required weight is judged according to the weight that the electronic metering instrument on the blending tank shows), throw the material device and can block out self-made fly leaf (also cut off) through the cylinder and plug up the dog-house (the dog-house plugs up back ton package discharge gate and no longer needs to wrap), thereby separate the raw materials, keep apart remaining raw materials in ton package, open the valve again when waiting to throw the material next time and throw the material. The device can increase the accuracy of feeding and improve the working efficiency, avoids the risk of material leakage and also reduces the risk of quality fluctuation.

Drawings

FIG. 1 is a schematic structural diagram of a charging system before modification;

FIG. 2 is a schematic diagram of the improved feeding system of the present invention;

FIG. 3 is a schematic structural view of an eccentric pneumatic feeder of the present invention;

FIG. 4 is a side view of FIG. 3;

FIG. 5 is a schematic diagram of a two-position, five-way manual valve;

FIG. 6 is a schematic view of a cylinder state;

the reference numerals of the drawings have the following meanings:

1: a lifting hook; 2: bagging by ton; 3: a mixing tank; 4: a tonnage display; 5: a weighing sensor; 6: a two-position five-way manual valve; 7: a cylinder; 8: a hollow support; 9: a feed hopper; 10: a discharge port; 11: a support rod.

Detailed Description

The present invention will be better understood and implemented by those skilled in the art by the following detailed description of the technical solution of the present invention with reference to the accompanying drawings and specific examples, which are not intended to limit the present invention.

As shown in fig. 1, be the material feeding system of current design, including blending tank 3, be provided with tonnage display 4 and weighing sensor 5 on the blending tank 3, lifting hook 1 directly drops into to blending tank 3 after lifting ton package 2, whether the staff judges through tonnage display 4 to throw the material and reach the weight that needs, throw the material and accomplish the back, need the staff to wrap the operation to ton package 2, on the one hand, can cause the hourglass material risk if wrapping not well, on the other hand, if weight judgement can not lead to the fact throw material weight inaccurate, need to add glue again or add the raw materials again, reduce work efficiency, and increase the undulant risk of quality.

As shown in figures 3 and 4, the eccentric pneumatic feeding device is added on the basis of the existing design, and comprises a feeding hopper 9, generally, the feeding hopper 9 is of a hollow structure with a wide upper part and a narrow lower part, a hollow support 8 is arranged below the feeding hopper 9, and the hollow support 8 has a set thickness, wherein the specific thickness can be set according to the use environment. Wherein, be provided with discharge gate 10 below the hollow support 8, in fig. 3, the first half of discharge gate 10 is wide hollow structure down, the latter half of discharge gate 10 is hollow cylinder structure.

The hollow support 8 is provided with a through hole communicating the discharge port 10 with the feed hopper 9, and the materials enter the mixing tank 3 through the feed hopper 9, the through hole and the discharge port 10 in sequence and are displayed by the weighing sensor 5 and the tonnage display 4 of the mixing tank 3 in real time. The cavity support 8 embeds has mobilizable fly leaf, also cuts off, the fly leaf is opened or closed through-hole through the removal, and at that time, the displacement distance of fly leaf is different, can realize opening the through-hole completely, also can realize that the part opens the through-hole, can throw the control of material speed, for example, when throwing the material and being close the weight that needs, can control the removal of fly leaf for the aperture that the through-hole was opened diminishes, throws the material more accurate.

Preferably, the hollow support 8 is provided with an air cylinder 7 and a valve for controlling the air cylinder 7, the air cylinder 7 is connected with the movable plate, the air cylinder 7 is driven to the movable plate to move along the radial direction of the through hole, namely, the movable plate is driven to move through the air cylinder 7, the surface of the movable plate is parallel to or coincides with the surface of the through hole, the valve can adopt an automatic valve or a manual valve, for example, a two-position five-way manual valve 6 can be used for controlling the work of the air cylinder 7, as shown in fig. 5 and 6, wherein R and S are exhaust ports, a two-position five-way valve is a hand-operated valve, in an initial state, the handle is at a position ①, P air enters A through an air pipe, enters an air cylinder E through an air pipe, a valve rod is ejected to drive a partition, and a feed opening is closed, otherwise, when the handle.

Preferably, the feeding hopper 9 and the discharging outlet 10 are arranged non-coaxially, i.e. the axes of the two are not coincident, and for better supporting the ton bag 2, a plurality of supporting rods 11 may be arranged at the outlet of the feeding hopper 9, for example, several metal rods are arranged in parallel at the outlet of the feeding hopper 9.

Correspondingly, as shown in fig. 2, the eccentric pneumatic feeding system comprises a mixing tank 3, wherein a tonnage display 4 and a weighing sensor 5 are arranged on the mixing tank 3, the eccentric pneumatic feeding system further comprises any one of the eccentric pneumatic feeding devices, and the mixing tank 3 is used for feeding materials through the eccentric pneumatic feeding device. The feeding system can further comprise a travelling crane, wherein the travelling crane is provided with a lifting hook 1 for lifting a ton bag 2, so that the material can be more conveniently delivered.

Hang ton package 2 to 3 mouthfuls of blending tanks tops by the driving during throw the material, place in the feeder hopper of throwing the material device after untieing ton package 2 discharge gate, begin to throw the material, throw after the material reachs required weight (required weight is judged according to the weight that the electronic metering instrument on the blending tanks shows), throw the material device and can block up the dog-house through cylinder with self-made fly leaf (also cut off) ejecting (the dog-house blocks up 2 discharge gates of back ton package no longer need wrap), thereby separate the raw materials, keep apart remaining raw materials in ton package, open the valve again and throw the material when waiting to throw the material next time. The device can increase the accuracy of feeding and improve the working efficiency, avoids the risk of material leakage and also reduces the risk of quality fluctuation.

The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims (8)

1. The utility model provides an eccentric pneumatic feeding device, includes feeder hopper (9), its characterized in that, feeder hopper (9) below is provided with cavity support (8), cavity support (8) below is provided with discharge gate (10), cavity support (8) have the thickness of setting for and cavity support (8) are provided with the through-hole that feeds through discharge gate (10) and feeder hopper (9), cavity support (8) embeds there is mobilizable fly leaf, the fly leaf is opened or closed through-hole through the removal.

2. An eccentric pneumatic dosage unit according to claim 1, characterised in that the hollow support (8) is provided with a cylinder (7) and valves controlling the cylinder (7), the cylinder (7) being connected to a movable plate and the cylinder (7) being brought to the movable plate to move in the radial direction of the through hole.

3. An eccentric pneumatic dosing device according to claim 2, characterised in that the valve is a two-position, five-way manual valve (6).

4. An eccentric pneumatic feeder according to claim 1, characterized in that the feed hopper (9) and the discharge outlet (10) are arranged non-coaxially.

5. An eccentric pneumatic feeder according to claim 4, characterised in that several support bars (11) are provided at the outlet of the feed hopper (9).

6. An eccentric pneumatic feeder according to claim 4, characterized in that the feed hopper (9) is of a hollow structure with a wide top and a narrow bottom, the upper half part of the discharge port (10) is of a hollow structure with a wide top and a narrow bottom, and the lower half part of the discharge port (10) is of a hollow cylindrical structure.

7. An eccentric pneumatic feeding system, which comprises a mixing tank (3), wherein a tonnage display (4) and a weighing sensor (5) are arranged on the mixing tank (3), and is characterized by further comprising the eccentric pneumatic feeding device of any one of claims 1 to 6, wherein the mixing tank (3) is fed through the eccentric pneumatic feeding device.

8. An eccentric pneumatic charging system according to claim 7, further comprising a trolley provided with a lifting hook (1) for lifting a ton ladle (2).

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