Vacuum feeding device

Abstract

The utility model discloses a vacuum feeding device, which particularly relates to the field of vacuum feeding and comprises a vacuum barrel, a first supporting ring is arranged at the bottom of the vacuum barrel, a supporting frame is fixedly connected to the bottom of the first supporting ring, a valve is arranged on a discharging pipe at the bottom of the vacuum barrel, and a connecting hose is connected to the bottom of the valve. The bottom of the connecting hose is fixedly connected with a connector, the middle of the connector is sleeved with a first connecting cover, and the top of the vacuum barrel is provided with a vacuum pump and an air blowing pump. Gas is injected into the vacuum barrel through the blowing pump, dust attached to the surface of the filter element is cleaned in a reverse blowing mode, meanwhile, the motor is controlled to drive the bevel gear to enable the gear ring to drive the fixing plate to rotate, and therefore the fixing plate and the protective net ring are controlled to rotate, and centrifugal cleaning of the protective net ring and the surface of the filter element is achieved. The use effect of the filter element and the protective net ring is improved, and the air exhaust use effect is further improved.

Description

Technical Field

[0001] The utility model relates to the technical field of vacuum feeding, and more specifically, to a vacuum feeding device. Background Art

[0002] In the production process of food ingredients and food additives, it is often necessary to vacuum feed powders to prevent dust in the air from entering the interior and affecting the quality of the finished product. Therefore, a vacuum feeder is needed. The working principle of the vacuum feeder is mainly to use the negative pressure state generated by the vacuum pump to drive the powdered material to move through the air pressure difference, thereby realizing the material transportation;

[0003] When processing and producing food, enterprises often need to transport food materials stored in material warehouses to processing equipment. Therefore, the efficiency of material transportation determines the production efficiency of the enterprise. The existing conveying equipment has the problem of low transportation efficiency when in use and cannot meet the production needs of enterprises.

[0004] Chinese patent application number CN201821469949.6 discloses a food vacuum feeding device, comprising a tank body with a transverse plate disposed therein, which divides the tank body into an upper layer and a lower layer. An air extraction port is disposed on one side of the upper layer, and a back-blowing air inlet is disposed on the other side of the upper layer. A material outlet is disposed at the bottom end of the lower layer, and a blower is disposed at the material outlet. A material inlet is also disposed on one side of the lower layer. This vacuum feeding device can convey food ingredients and has the advantages of fast feeding speed and long service life.

[0005] However, it can be seen from the drawings in its instruction manual that the dust attached to the surface of the filter element is cleaned by reverse blowing, and the filter element is protected by a protective mesh ring, but the dust on the surface of the protective mesh ring cannot be cleaned, resulting in poor protection of the filter element, affecting the exhaust effect, and making it inconvenient to clean the surface of the protective mesh ring and the filter element, affecting the use effect. Utility Model Content

[0006] In order to overcome the above-mentioned defects of the prior art, the present invention provides a vacuum feeding device to solve the problems raised in the above-mentioned background technology.

[0007] To achieve the above-mentioned object, the utility model provides the following technical solution: a vacuum feeding device, comprising a vacuum barrel, a first support ring provided at the bottom of the vacuum barrel, a support frame fixedly connected to the bottom of the first support ring, a valve provided at the bottom discharge pipe of the vacuum barrel, a connecting hose connected to the bottom of the valve, a connector fixedly connected to the bottom of the connecting hose, a first connecting cover sleeved on the middle of the connector;

[0008] A vacuum pump and an air blowing pump are provided on the top of the vacuum barrel. A second support ring is fixedly connected to the top of the inner cavity of the vacuum barrel. A fixing plate is provided in the middle of the second support ring. A gear ring is provided on the top fixing sleeve of the fixing plate. A sealing ring is provided at the bottom of the gear ring. A bevel gear is provided on one side of the top of the gear ring, and a motor is provided on one side of the bevel gear.

[0009] The bottom of the fixed plate is fixedly connected with a protective net ring and multiple porous tubes, the middle of the porous tube is sleeved with a filter core, the top of the inner cavity of the vacuum barrel is fixedly connected with a fixed rod, and the bottom of the fixed rod is provided with a rolling ball.

[0010] Preferably, the output end of the air pump is connected to the inner cavity of the vacuum barrel through a valve, and the input end of the vacuum pump is connected to the inner cavity of the vacuum barrel through a valve.

[0011] Preferably, a sealing gasket is provided at the bottom end of the connecting head, a threaded groove is provided on the bottom end wall of the first connecting cover, and a mounting hole is provided at the bottom of the supporting frame.

[0012] Preferably, the gear ring is arranged on the top of the second support ring, the sealing ring is arranged on the top of the second support ring, the gear ring is engaged with the bevel gear, the motor is fixed on the top of one side of the vacuum barrel, and the output end of the motor is fixedly connected to the bevel gear.

[0013] Preferably, the inner cavity of the porous tube is connected to the top of the fixed plate through the middle of the fixed plate, the top of the filter element is fixedly connected to the fixed plate, multiple filter elements are located in the middle of the protective net ring, and the rolling ball fits against the top wall of the fixed plate.

[0014] Preferably, a feed pipe is fixedly connected to the top of one side of the vacuum barrel, a second connecting cover is sleeved on one end of the feed pipe, a sealing gasket is provided on one end of the feed pipe, and the inner cavity of the feed pipe is connected to the bottom of the inner cavity of the vacuum barrel.

[0015] The technical effects and advantages of this utility model are:

[0016] 1. The utility model first injects gas into the interior of the vacuum barrel through the air pump, and cleans the dust attached to the surface of the filter element by reverse blowing. At the same time, the motor is controlled to drive the bevel gear to make the gear ring drive the fixed plate to rotate, thereby controlling the rotation of the fixed plate and the protective net ring, achieving centrifugal cleaning of the protective net ring and the surface of the filter element, improving the use effect of the filter element and the protective net ring, and thus improving the use effect of the air extraction;

[0017] 2. The utility model also improves the sealing between the fixing plate and the second support ring by pushing the fixing plate with the provided fixing rod and the rolling ball, and improves the stability of the rotation of the fixing plate, thereby improving the use effect. Through the cooperation of the connecting hose, the connecting head and the first connecting cover, it is convenient to connect the discharge pipe at the bottom of the vacuum barrel with the feed port of the equipment, and the vacuum barrel is supported by the first support ring and the support frame, which is convenient for installation and fixation.

[0018] In summary, through the mutual influence of the above-mentioned multiple effects, it is possible to conveniently clean the dust attached to the surface of the No. 2 protective mesh ring of the filter element, and improve the cleaning quality, thereby improving the use effect of vacuum feeding. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0020] Figure 2 It is a schematic diagram of the cross-sectional structure of the present utility model.

[0021] Figure 3 For this utility model Figure 2 Schematic diagram of the locally enlarged structure at point A in the middle.

[0022] Figure 4 This is a schematic structural diagram of the first support ring of the utility model.

[0023] Figure 5 It is a schematic diagram of the cross-sectional structure of the fixing plate of the utility model.

[0024] The accompanying drawings are marked as follows: 1. vacuum barrel; 2. first support ring; 3. support frame; 4. valve; 5. connecting hose; 6. connecting head; 7. first connecting cover; 8. second support ring; 9. fixing plate; 10. protective mesh ring; 11. porous tube; 12. filter element; 13. gear ring; 14. sealing ring; 15. motor; 16. bevel gear; 17. fixing rod; 18. ball; 19. vacuum pump; 20. blowing pump; 21. feed pipe; 22. second connecting cover; 23. sealing gasket. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0026] As attached Figure 1-5A vacuum feeding device shown in the figure includes a vacuum barrel 1, a first support ring 2 is provided at the bottom of the vacuum barrel 1, and a support frame 3 is fixedly connected to the bottom of the first support ring 2. The vacuum barrel 1 can be supported by the first support ring 2 and the support frame 3, so that the vacuum barrel 1 can be conveniently installed in a preset position. A valve 4 is provided at the bottom discharge pipe of the vacuum barrel 1, and a connecting hose 5 is connected to the bottom of the valve 4. A connector 6 is fixedly connected to the bottom of the connecting hose 5, and a first connecting cover 7 is sleeved on the middle part of the connector 6. By threading the first connecting cover 7 to the feed port of the equipment, the discharge pipe of the vacuum barrel 1 can be connected to the feed port of the equipment in turn, and the connection position of the first connecting cover 7 can be adjusted as needed through the connecting hose 5;

[0027] A vacuum pump 19 and an air blowing pump 20 are provided on the top of the vacuum barrel 1. A second support ring 8 is fixedly connected to the top of the inner cavity of the vacuum barrel 1. A fixing plate 9 is provided in the middle of the second support ring 8. A gear ring 13 is fixed on the top of the fixing plate 9. A sealing ring 14 is provided at the bottom of the gear ring 13. A bevel gear 16 is provided on one side of the top of the gear ring 13. A motor 15 is provided on one side of the bevel gear 16. By starting the vacuum pump 19, the gas inside the vacuum barrel 1 can be extracted to generate negative pressure inside the vacuum barrel 1, and the powder can be drawn into the interior of the vacuum barrel 1 through the feeding pipe 21 to realize the feeding operation. The vacuum drum 1 is used as a vacuum drum, and gas can be injected into the interior of the vacuum drum 1 through the air pump 20 to input the powder inside the vacuum drum 1 into the interior of the device through the connecting hose 5, so as to realize the addition and use of materials. At the same time, the bevel gear 16 is controlled by the starting motor 15 to drive the gear ring 13 to rotate, so as to control the rotation of the fixed plate 9. The fixed plate 9 and the gear ring 13 are supported by the second support ring 8. The sealing strength between the gear ring 13 and the second support ring 8 is achieved by the sealing ring 14, so that the gas at the bottom of the inner cavity of the vacuum drum 1 can only enter the top of the vacuum drum 1 through the middle of the porous tube 11 and be extracted to realize the vacuuming effect.

[0028] A protective mesh ring 10 and a plurality of porous tubes 11 are fixedly connected to the bottom of the fixed plate 9. A filter core 12 is sleeved in the middle of the porous tube 11. A fixed rod 17 is fixedly connected to the top of the inner cavity of the vacuum barrel 1. A rolling ball 18 is provided at the bottom of the fixed rod 17. The fixed plate 9 is limited by the fixed rod 17 and the rolling ball 18 to improve the sealing strength between the fixed plate 9 and the second support ring 8, and the gas at the bottom of the inner cavity of the vacuum barrel 1 is filtered by the filter core 12 and enters the top through the porous tube 11 for extraction, thereby improving the use effect.

[0029] As attached Figure 1 、 2As shown, the output end of the air pump 20 is connected to the inner cavity of the vacuum barrel 1 through a valve, and the input end of the vacuum pump 19 is connected to the inner cavity of the vacuum barrel 1 through a valve. By opening the valve at the output end of the air pump 20, gas can be injected into the interior of the vacuum barrel 1 through the air pump 20, so that the gas is blown out from the surface of the porous tube 11 to clean the surface of the filter element 12, and at the same time, the dust inside the vacuum barrel 1 is transported to the interior of the equipment. By opening the valve at the input end of the vacuum pump 19, the gas inside the vacuum barrel 1 can be extracted through the vacuum pump 19 to form a negative pressure, which facilitates the powder to enter the interior of the vacuum barrel 1 through the feed pipe 21.

[0030] As attached Figure 2 As shown, a sealing gasket is provided at the bottom end of the connecting head 6, a threaded groove is provided at the bottom end wall of the first connecting cover 7, and a mounting hole is provided at the bottom of the support frame 3. The sealing gasket is used to improve the connection sealing strength between the connecting head 6 and the equipment feed port, and the first connecting cover 7 is used for convenient connection and use, and the support frame 3 is used to facilitate the installation and fixation of the vacuum barrel 1 and the first support ring 2.

[0031] As attached Figure 2 、 3 5, the gear ring 13 is arranged on the top of the second support ring 8, the sealing ring 14 is arranged on the top of the second support ring 8, the gear ring 13 is engaged with the bevel gear 16, the motor 15 is fixed on the top of one side of the vacuum barrel 1, and the output end of the motor 15 is fixedly connected to the bevel gear 16. Starting the motor 15 controls the bevel gear 16 to drive the gear ring 13 to rotate, so that the fixed plate 9 can drive the protective net ring 10 and the filter element 12 to rotate, which is convenient for centrifugal cleaning, avoids powder adhering to the surface of the protective net ring 10 and the filter element 12 to affect the use effect, and is convenient for cleaning.

[0032] As attached Figure 2 、 3 5, the inner cavity of the porous tube 11 is connected to the top of the fixed plate 9 through the middle of the fixed plate 9, the top of the filter element 12 is fixedly connected to the fixed plate, and multiple filter elements 12 are located in the middle of the protective net ring 10. The ball 18 fits with the top wall of the fixed plate 9. The gas passing through the porous tube 11 is filtered by the filter element 12, and the fixed plate 9 is pushed by the fixed rod 17 and the ball 18 to improve the stability of the fixed plate 9.

[0033] As attached Figure 1-3 As shown, a feed pipe 21 is fixedly connected to the top of one side of the vacuum barrel 1, a second connecting cover 22 is provided at one end of the feed pipe 21, and a sealing gasket 23 is provided at one end of the feed pipe 21. The inner cavity of the feed pipe 21 is connected to the bottom of the inner cavity of the vacuum barrel 1, and the second connecting cover 22 is used to facilitate connection with the extraction pipe, and the sealing gasket 23 is used to improve the sealing strength of the connection, so as to facilitate the connection for extraction.

[0034] The working principle of the utility model is as follows: when in use, it is only necessary to install the first support ring 2 at the feed port of the equipment through the support frame 3, and to tightly connect the connector 6 to the feed port thread of the equipment by rotating the first connecting cover 7;

[0035] Then, by rotating the second connecting cover 22 to connect it to the drawing pipe, and extending one end of the drawing pipe into the powder, the valve at the input end of the vacuum pump 19 is opened, and the vacuum pump 19 is started to evacuate the interior of the vacuum barrel 1. At this time, negative pressure is generated inside the vacuum barrel 1, and the powder can be drawn into the interior of the vacuum barrel 1 through the drawing pipe in turn, and at the same time, it is filtered through the protective mesh ring 10 and the filter element 12 to prevent the powder from being located on the top of the fixed plate 9 and the second support ring 8;

[0036] At the same time, the motor 15 is started to control the rotation of the filter element 12 and the protective mesh ring 10 in turn, so that the surfaces of the protective mesh ring 10 and the filter element 12 can be centrifugally cleaned while the material is being drawn out;

[0037] After the powder input into the vacuum barrel 1 falls to the bottom of the vacuum barrel 1, the valve at the input end of the vacuum pump 19 is closed, the valve 4 and the valve at the output end of the blowing pump 20 are opened, and the blowing pump 20 is started. At this time, air can be blown into the interior of the vacuum barrel 1 through the blowing pump 20, and at the same time, the powder inside the vacuum barrel 1 is added to the interior of the equipment through the connecting hose 5 and the connecting head 6, thereby realizing vacuum loading of the powder and improving the use effect.

[0038] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A vacuum feeding device, comprising a vacuum barrel (1), characterized in that: The bottom of the vacuum barrel (1) is provided with a first support ring (2), the bottom of the first support ring (2) is fixedly connected to a support frame (3), the bottom discharge pipe of the vacuum barrel (1) is provided with a valve (4), the bottom of the valve (4) is connected to a connecting hose (5), the bottom of the connecting hose (5) is fixedly connected to a connector (6), and the middle of the connector (6) is sleeved with a first connecting cover (7); A vacuum pump (19) and an air blowing pump (20) are provided on the top of the vacuum barrel (1); a second support ring (8) is fixedly connected to the top of the inner cavity of the vacuum barrel (1); a fixing plate (9) is provided in the middle of the second support ring (8); a gear ring (13) is fixedly provided on the top of the fixing plate (9); a sealing ring (14) is provided at the bottom of the gear ring (13); a bevel gear (16) is provided on one side of the top of the gear ring (13); and a motor (15) is provided on one side of the bevel gear (16); The bottom of the fixed plate (9) is fixedly connected to a protective mesh ring (10) and a plurality of porous tubes (11), the middle of the porous tube (11) is sleeved with a filter core (12), the top of the inner cavity of the vacuum barrel (1) is fixedly connected to a fixed rod (17), and the bottom of the fixed rod (17) is provided with a rolling ball (18).

2. A vacuum feeding device according to claim 1, characterized in that: The output end of the air blowing pump (20) is connected to the inner cavity of the vacuum barrel (1) through a valve, and the input end of the vacuum pump (19) is connected to the inner cavity of the vacuum barrel (1) through a valve.

3. A vacuum feeding device according to claim 1, characterized in that: A sealing gasket is provided at the bottom end of the connector (6), a threaded groove is provided on the bottom end wall of the first connecting cover (7), and a mounting hole is provided at the bottom of the support frame (3).

4. A vacuum feeding device according to claim 1, characterized in that: The gear ring (13) is arranged on the top of the second support ring (8), the sealing ring (14) is arranged on the top of the second support ring (8), the gear ring (13) is meshed with the bevel gear (16), the motor (15) is fixed on the top of one side of the vacuum barrel (1), and the output end of the motor (15) is fixedly connected to the bevel gear (16).

5. The vacuum feeding device according to claim 1, characterized in that: The inner cavity of the porous tube (11) is connected to the top of the fixed plate (9) through the middle of the fixed plate (9), the top of the filter core (12) is fixedly connected to the fixed plate, and multiple filter cores (12) are located in the middle of the protective net ring (10), and the rolling ball (18) is in contact with the top wall of the fixed plate (9).

6. A vacuum feeding device according to claim 1, characterized in that: A feed pipe (21) is fixedly connected to the top of one side of the vacuum barrel (1), one end of the feed pipe (21) is sleeved with a second connection cover (22), one end of the feed pipe (21) is provided with a sealing gasket (23), and the inner cavity of the feed pipe (21) is connected to the bottom of the inner cavity of the vacuum barrel (1).

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