Vacuum feeding machine

Abstract

The utility model belongs to the technical field of vacuum feeding equipment, and particularly relates to a vacuum feeding machine which comprises a vacuum feeding barrel and a vacuum pump, a filtering device is arranged on the upper portion of the vacuum feeding barrel and connected with the vacuum pump through a pipeline, a feeding port is formed in the side wall of the vacuum feeding barrel, and a lower port of the vacuum feeding machine is a discharging port. More than three filtering devices are evenly distributed in the circumferential direction of the axis of the vacuum feeding barrel, the filtering end of each filtering device is communicated with an inner cavity of the vacuum feeding barrel, the negative pressure end of each filtering device is communicated with the negative pressure main pipeline, and the negative pressure end of the vacuum pump is connected with the negative pressure main pipeline through an air pipe. The vacuum feeding machine is simple in structure, reasonable in design and low in cost, the number of the filtering devices is increased, the vacuum pump is communicated with each filtering device through the negative pressure main pipeline, the negative pressure action area of the vacuum pump in the vacuum feeding barrel is effectively enlarged, and therefore the vacuum feeding machine has high vacuum adsorption efficiency.

Description

TECHNICAL FIELD

[0001] The utility model belongs to vacuum loading equipment technical field, especially point to a kind of vacuum loading machine. BACKGROUND

[0002] The continuous vacuum loading machine disclosed in the prior Chinese utility model patent (authorized publication number CN208979879U) includes a bin body, a vacuum pump, a suction gun and a filter box, a filter element is arranged in the filter box, the filter box is arranged on the top of the bin body and is communicated with the bin body, the vacuum pump is connected with the filter box through a suction pipe, the suction gun is connected with the bin body through a suction pipe, a discharge port is arranged at the bottom of the bin body, and a rotary valve is arranged at the discharge port. That is, a negative pressure is formed by means of the vacuum pump, and the filter box is used to adsorb the material in the bin body and the suction gun, and the filter element is used to effectively block the material, so that the material can fall into the bottom of the bin body and be discharged outward by the rotary valve.

[0003] However, the above structure has the problem of low vacuum adsorption efficiency, because the vacuum pump acts on the bin body through the filter box, and the filter element on the filter box blocks the material and greatly affects the vacuum adsorption rate of the material. Even if the output power of the vacuum pump is increased, the vacuum adsorption rate of the vacuum loading machine is not significantly improved. SUMMARY

[0004] The utility model discloses a kind of vacuum loading machines, it is simple in structure, reasonable in design and low in cost, by increasing the quantity of filter device, to effectively expand the negative pressure action area of vacuum pump in vacuum loading cylinder, and then make the vacuum loading machine have higher vacuum adsorption efficiency.

[0005] The utility model is realized as follows:

[0006] A kind of vacuum loading machine, including vacuum loading cylinder and vacuum pump, the upper portion of vacuum loading cylinder is provided with filter device, filter device is connected with vacuum pump by pipeline, the side wall of vacuum loading cylinder is provided with feed inlet, the lower end of vacuum loading machine is discharge port, the filter device is uniformly distributed with more than three around the axis of vacuum loading cylinder, the filter end of each filter device is communicated with the inner chamber of vacuum loading cylinder, negative pressure end is communicated with negative pressure main pipeline, the negative pressure end of vacuum pump is connected with negative pressure main pipeline by air pipe.

[0007] In the above-mentioned vacuum loading machine, the filter device includes filter cylinder body fixed on the top surface of the vacuum loading cylinder, the inner chamber of the filter cylinder body is communicated with the inner chamber of the vacuum loading cylinder, a negative pressure port communicated with the negative pressure main pipeline is formed on the top surface of the filter cylinder body, and a filter screen is arranged on the filter cylinder body or the vacuum loading cylinder between the negative pressure port and the feed inlet.

[0008] In the vacuum feeding machine, the top surface of the vacuum feeding cylinder has assembly ports corresponding to the filter cylinder bodies, the inner wall surface of the assembly ports extends upward along the axial direction to form assembly extension end portions, the lower end ports of the filter cylinder bodies are stacked on the ports of the assembly extension end portions, the ports of the assembly extension end portions and the lower end ports of the filter cylinder bodies respectively extend outward along the radial direction to form assembly outer convex edges, and the U-shaped locking clamps embrace the two assembly outer convex edges.

[0009] In the vacuum feeding machine, the filter cylinder body is provided with a blockage prevention assembly capable of separating the material from the filter screen.

[0010] In the vacuum feeding machine, the blockage prevention assembly comprises a high-pressure gas storage tank and a plurality of blockage prevention nozzles fixed side by side on the filter cylinder body, the inner end of each blockage prevention nozzle is located in the inner cavity of the filter cylinder body and has a nozzle opening facing the filter screen, and the outer end of each blockage prevention nozzle extends out of the filter cylinder body and is in communication with one end of an electromagnetic valve, and the other end of the electromagnetic valve is in communication with the high-pressure gas storage tank.

[0011] In the vacuum feeding machine, the filter screen is a filter screen plate arranged in the inner cavity of the vacuum feeding cylinder, and the filter screen plate separates the inner cavity of the vacuum feeding cylinder into upper and lower parts.

[0012] Compared with the prior art, the utility model has the advantages of:

[0013] The utility model discloses simple structure, reasonable in design and low in cost, and through increasing the number of filter devices, the vacuum pump is communicated with each filter device by means of the negative pressure main pipeline, so as to effectively expand the negative pressure action area of the vacuum pump in the vacuum feeding cylinder, and then the vacuum feeding machine has higher vacuum adsorption efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the overall stereogram of the utility model.

[0015] In the drawing: 1, vacuum feeding cylinder;2, vacuum pump;3, feed inlet;4, negative pressure main pipeline;5, filter cylinder body;6, assembly extension end portion;7, locking clamp;8, high-pressure gas storage tank;9, blockage prevention nozzle;10, electromagnetic valve. DETAILED DESCRIPTION

[0016] The utility model will be further described in the specific embodiment, and the specific embodiment is as follows: Figure 1 :

[0017] The utility model relates to a kind of vacuum feeding machines, including vacuum feeding cylinder 1 with vacuum pump 2, the upper portion of vacuum feeding cylinder 1 is provided with filter device, filter device is connected with vacuum pump 2 by pipeline, the side wall of vacuum feeding cylinder 1 is opened with feed inlet 3, the lower end of vacuum feeding machine is discharge port, the filter device is uniformly distributed with more than three around the axis of vacuum feeding cylinder 1, each filter device is communicated with the inner chamber of vacuum feeding cylinder 1 at filter end, and negative pressure end is communicated with negative pressure main pipeline 4, the negative pressure end of vacuum pump 2 is connected with negative pressure main pipeline 4 by air pipe.Over four filter devices are provided in the embodiment, and the specific number of filter device should be combined with the actual vacuum feeding machine whole machine demand.

[0018] The utility model has the advantages of simple structure, reasonable design and low cost, by increasing the number of filter device, vacuum pump 2 is communicated with each filter device by negative pressure main pipeline 4, to effectively expand the negative pressure area of vacuum pump 2 in vacuum feeding cylinder 1, so that vacuum feeding machine has higher vacuum adsorption efficiency.

[0019] The structure of filter device can adopt existing common filter bag or filter core cylinder structure, and in the embodiment, the filter device includes filter cylinder body 5 fixed on the top surface of vacuum feeding cylinder 1, the inner chamber of filter cylinder body 5 is communicated with the inner chamber of vacuum feeding cylinder 1, the top surface of filter cylinder body 5 is opened with negative pressure port communicated with negative pressure main pipeline 4, and filter screen is arranged on filter cylinder body 5 or vacuum feeding cylinder 1 between negative pressure port and feed inlet 3.Meanwhile, in the embodiment, the filter screen is filter screen plate arranged in the inner chamber of vacuum feeding cylinder 1, which separates the inner chamber of vacuum feeding cylinder 1 into upper and lower parts.Of course, filter screen plate can also be directly arranged in filter cylinder body 5, or filter screen adopts filter core screen cylinder hanging in filter cylinder body 5.

[0020] Further, in order to quickly disassemble and assemble filter device, so as to facilitate maintenance, cleaning and replacement of filter device in later period, the top surface of vacuum feeding cylinder 1 has assembly port corresponding to filter cylinder body 5, assembly extension end portion 6 is formed on the inner wall surface of assembly port and extends upward along the axial direction, the lower port of filter cylinder body 5 is stacked with the port of assembly extension end portion 6, and the port of assembly extension end portion 6 and the lower port of filter cylinder body 5 respectively extend outward along the radial direction to form assembly outer convex flange, and locking clamp 7 with U-shaped structure is embraced on two assembly outer convex flanges, and the U-shaped structure axially limits two assembly outer convex flanges.

[0021] In addition, in order to effectively and periodically remove the material attached to the filter screen, the filter cylinder 5 is provided with a anti-blocking assembly capable of separating the material from the filter screen. The anti-blocking assembly can be a vibration motor directly vibrating on the filter screen or a moving scraper capable of scraping the filter screen. In the embodiment, the anti-blocking assembly includes a high-pressure gas tank 8 and a plurality of anti-blocking nozzles 9 fixed side by side on the filter cylinder 5. The inner end of each anti-blocking nozzle 9 is located in the inner cavity of the filter cylinder 5 and has a nozzle opening facing the filter screen. The outer end of each anti-blocking nozzle 9 extends out of the filter cylinder 5 and is in communication with one end of an electromagnetic valve 10. The other end of the electromagnetic valve 10 is in communication with the high-pressure gas tank 8. The opening and closing of each electromagnetic valve 10 is controlled by the control assembly, so that the high-pressure gas in the high-pressure gas tank 8 is blown out through the nozzle opening of the anti-blocking nozzle to effectively blow off the material attached to the filter screen.

[0022] The above embodiment is only one of the preferred embodiments of the present application, and does not limit the scope of the present application. Therefore, any equivalent changes made in shape, structure, and principle according to the present application should be covered within the scope of protection of the present application.

Claims

1. A vacuum feeding machine, comprising a vacuum feeding cylinder (1) and a vacuum pump (2), the upper part of the vacuum feeding cylinder (1) is provided with a filtering device, the filtering device is connected with the vacuum pump (2) through a pipeline, the side wall of the vacuum feeding cylinder (1) is provided with a feeding port (3), and the lower end of the vacuum feeding machine is a discharging port, characterized in that: The filter device is circumferentially and uniformly distributed with three or more than three around the axis of the vacuum feeding cylinder (1), the filtering end of each filter device is communicated with the inner cavity of the vacuum feeding cylinder (1), and the negative pressure end is communicated with the negative pressure main pipeline (4), and the negative pressure end of the vacuum pump (2) is connected with the negative pressure main pipeline (4) through the air pipe.

2. A vacuum loading machine according to claim 1, characterized in that: The filter device comprises a filter cylinder body (5) fixed on the top surface of the vacuum feeding cylinder (1), the inner cavity of the filter cylinder body (5) is communicated with the inner cavity of the vacuum feeding cylinder (1), the top surface of the filter cylinder body (5) is provided with a negative pressure port communicated with the negative pressure main pipeline (4), and the filter cylinder body (5) or the vacuum feeding cylinder (1) between the negative pressure port and the feeding port (3) is provided with a filter screen.

3. A vacuum loading machine according to claim 2, wherein: The top surface of the vacuum feeding cylinder (1) has an assembly port corresponding to the filter cylinder body (5), the inner wall surface of the assembly port extends upward along the axial direction to form an assembly extension end portion (6), the lower port of the filter cylinder body (5) is stacked on the port of the assembly extension end portion (6) in an up-down manner, and the port of the assembly extension end portion (6) and the lower port of the filter cylinder body (5) respectively extend outward along the radial direction to form assembly outer convex edges, and the U-shaped structure locking hoop (7) with an inner ring wall is embraced on the two assembly outer convex edges, and the U-shaped structure axially limits the two assembly outer convex edges.

4. The vacuum loading machine of claim 2, wherein: The filter cylinder body (5) is provided with an anti-blocking assembly capable of separating the material from the filter screen.

5. A vacuum loading machine according to claim 4, wherein: The anti-blocking assembly comprises a high-pressure gas storage tank (8) and a plurality of anti-blocking nozzles (9) fixed side by side on the filter cylinder body (5), the inner end of each anti-blocking nozzle (9) is located in the inner cavity of the filter cylinder body (5) and has a nozzle port facing the filter screen, the outer end of each anti-blocking nozzle (9) extends out of the filter cylinder body (5) and is communicated with one end of the electromagnetic valve (10), and the other end of the electromagnetic valve (10) is communicated with the high-pressure gas storage tank (8).

6. A vacuum loading machine according to claim 2, characterized in that: The filter screen is a filter screen plate arranged in the inner cavity of the vacuum feeding cylinder (1), and the filter screen plate separates the inner cavity of the vacuum feeding cylinder (1) into upper and lower parts.

Images