Grain elevator capable of controlling suction compression strength

Abstract

The utility model relates to the technical field of grain suction machines, in particular to a grain suction machine capable of controlling suction and compression strength, which comprises a moving frame and a suction pump, the suction pump is connected to the surface of the moving frame through bolts, an air inlet of the suction pump is connected with an exhaust pipe, an air outlet of the suction pump is connected with an exhaust pipe, and a grain storage bin is fixedly connected to the surface of the moving frame. The bottom end of the grain storage bin is connected with a grain outlet pipe through a flange, the top end of the grain storage bin is connected with a connecting cover, and a surface passage of the connecting cover is connected with an air outlet pipe. Through the connection of the connecting cover and the air outlet pipe, the connection of the air outlet pipe and the supporting plate and the connection of the abutting ball and the sealing plate, the effect of controlling the passage of the air outlet pipe and the connecting cover is achieved, the air pressure in the grain storage bin can be controlled, and the position of the connecting plate in the guide rail is controlled through the abutting contact of the adjusting rod and the connecting plate; and the effect of controlling the suction and compression strength in the granary is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of grain suction machines, in particular to a grain suction machine capable of controlling the suction pressure intensity. Background Art

[0002] Grain sucker is a new type of agricultural and industrial machinery that conveys granular materials through pneumatic means. It is suitable for bulk conveying of various small granular materials such as grain and plastic. The material can be conveyed horizontally, inclined or vertically using the pipeline layout.

[0003] By using a grain suction machine, by changing the air pressure in the bin and utilizing the effect of pressure difference, the adsorption and transportation of grain can be completed, and the grain can be transported quickly. However, when using the existing grain suction machine, the suction pressure intensity in the grain suction machine cannot be adjusted, and the air pressure difference inside and outside the bin cannot be effectively controlled, and it cannot be adjusted according to demand, which affects the performance and scope of use. Utility Model Content

[0004] The purpose of the present utility model is to provide a grain sucking machine with controllable suction pressure strength, so as to solve the problems proposed in the above background technology that the suction pressure strength in the grain sucking machine cannot be adjusted, the air pressure difference inside and outside the bin cannot be effectively controlled, and it cannot be adjusted according to demand, which affects the performance and scope of use.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a grain suction machine with controllable suction pressure strength, comprising a mobile frame and a suction pump, the suction pump being connected to the surface of the mobile frame by bolts, the air inlet of the suction pump being connected to an exhaust pipe, the air outlet of the suction pump being connected to an exhaust pipe, the surface of the mobile frame being fixedly connected to a grain storage bin, the bottom end of the grain storage bin being connected to a grain outlet pipe by a flange, the top end of the grain storage bin being connected to a connecting cover, the surface passage of the connecting cover being connected to the outlet pipe, and the opposite surface of the connecting cover being connected to It is connected to an air inlet pipe and an air exhaust port, the outer surface passage of the grain storage bin is connected to the grain inlet, the surface of the grain inlet is connected to the control bin through a flange, the inner side of the air outlet pipe is fixedly connected to a support plate, the inner side of the support plate is provided with a support spring, the surface of the support spring is connected to a ball, the inner side of the air outlet pipe is fixedly connected to a sealing plate, the outer surface of the air outlet pipe is provided with a guide rail, the inner side of the guide rail is provided with a limiting groove, the outer surface of the ball is fixedly connected to a connecting plate, and the surface of the guide rail is connected through an adjusting rod.

[0006] Preferably, the grain discharge pipe is connected to the grain storage bin passage, an electromagnetic control valve is provided at one end of the grain discharge pipe close to the grain storage bin, and a disc is provided on the surface of the electromagnetic control valve, and the grain discharge pipe is controlled by the passage between the disc and the grain storage bin.

[0007] Preferably, the exhaust pipe passes through the surface of the grain outlet pipe, the air extraction pipe is connected to the air extraction port passage, an air intake control valve is provided on the outer surface of the air intake pipe, and the cross section of the air outlet pipe is in a "T" shape.

[0008] Preferably, the air outlet pipe is connected to the connection cover passage, and the support plate is composed of two parts, one part of the support plate is in a circular plate shape, and the other part of the support plate is in a cylindrical shape.

[0009] Preferably, one end of the abutting ball close to the support plate is fixedly connected to a cylinder, the abutting ball is elastically connected to the support plate via a support spring, and the abutting ball is in abutment contact with the inner wall of the sealing plate.

[0010] Preferably, the guide rail and the air outlet pipe are connected, the connecting plate passes through the guide rail and the air outlet pipe and is slidably connected, the outer surface of the connecting plate is fixedly connected with a round rod, and the round rod and the limit groove are slidably connected, and the adjusting rod passes through the surface of the guide rail and the connecting plate through a thread to contact.

[0011] Preferably, the passage at one end of the control bin away from the grain inlet is connected to a grain suction pipe, an outer surface of the control bin is provided with an electric telescopic rod, the output shaft of the electric telescopic rod is fixedly connected to a partition, the partition and the control bin are plugged through, and the grain suction pipe is connected to the grain inlet passage through the control bin.

[0012] Compared with the prior art, the beneficial effects of the present invention are:

[0013] 1. Through the connection between the mobile frame and the suction pump, the connection between the suction pump and the exhaust pipe, the connection between the suction pump and the exhaust pipe, and the connection between the exhaust pipe and the exhaust port, the gas extraction effect in the grain storage bin is achieved. Under the action of the exhaust pipe and the grain outlet pipe, the gas discharged from the exhaust pipe can assist the discharging operation of the grain outlet pipe. Through the connection between the connecting cover and the outlet pipe, the connection between the outlet pipe and the support plate, and the connection between the ball and the sealing plate, the control effect of the outlet pipe and the connecting cover passage is achieved, and the gas pressure in the grain storage bin can be controlled. Through the contact between the adjusting rod and the connecting plate, the position of the connecting plate in the guide rail is controlled to achieve the control effect of controlling the suction pressure intensity inside the grain storage bin.

[0014] 2. Through the connection between the grain inlet and the control bin, and the connection between the control bin and the grain suction pipe, the grain transportation effect is achieved. Through the connection between the electric telescopic rod and the partition, and the connection between the partition and the control bin, the control effect of the control bin passage is achieved, the grain transportation capacity of the grain suction pipe is changed, and its scope of use and performance are improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic frontal perspective view of the structure of the present invention;

[0016] Figure 2It is a schematic frontal perspective sectional view of a local structure of the utility model;

[0017] Figure 3 This is a partial three-dimensional cross-sectional schematic diagram of the connection structure between the air outlet pipe and the connection cover of the utility model;

[0018] Figure 4 For this utility model Figure 3 Schematic diagram of the enlarged structure at A in the middle;

[0019] Figure 5 For this utility model Figure 1 Schematic diagram of the dynamic cross-section of the structure of the central control compartment.

[0020] In the figure: 1. Mobile rack; 2. Suction pump; 21. Exhaust pipe; 22. Exhaust pipe; 3. Grain storage bin; 4. Grain outlet pipe; 5. Connecting cover; 51. Inlet pipe; 52. Exhaust port; 6. Outlet pipe; 61. Support plate; 62. Support spring; 63. Ball; 64. Sealing plate; 65. Guide rail; 66. Connecting plate; 67. Limiting groove; 68. Adjusting rod; 7. Grain inlet; 71. Control bin; 72. Grain suction pipe; 73. Electric telescopic rod; 74. Partition. DETAILED DESCRIPTION

[0021] 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.

[0022] See also Figure 1-5 , an embodiment provided by the utility model:

[0023] A grain suction machine with controllable suction pressure strength comprises a mobile frame 1 and a suction pump 2, the suction pump 2 is connected to the surface of the mobile frame 1 by bolts, the air inlet of the suction pump 2 is connected to the exhaust pipe 21, the air outlet of the suction pump 2 is connected to the exhaust pipe 22, the surface of the mobile frame 1 is fixedly connected to a grain storage bin 3, the bottom end of the grain storage bin 3 is connected to a grain outlet pipe 4 through a flange, the top of the grain storage bin 3 is connected to a connecting cover 5, the surface passage of the connecting cover 5 is connected to the outlet pipe 6, the opposite surface of the connecting cover 5 is connected to the air inlet pipe 51 and the air suction port 52, the outer surface passage of the grain storage bin 3 is connected to the grain inlet 7, the surface of the grain inlet 7 is connected to the control bin 71 through a flange, and the inner side of the outlet pipe 6 is fixedly connected to a support plate 61 A support spring 62 is provided on the inner side of the support plate 61, and a ball 63 is connected to the surface of the support spring 62. A sealing plate 64 is fixedly connected to the inner side of the air outlet pipe 6, and a guide rail 65 is provided on the outer surface of the air outlet pipe 6. A limiting groove 67 is provided on the inner side of the guide rail 65, and a connecting plate 66 is fixedly connected to the outer surface of the ball 63. An adjusting rod 68 is connected through the surface of the guide rail 65. Through the connection between the movable frame 1 and the suction pump 2, under the connection between the suction pump 2 and the exhaust pipe 21, and the connection between the suction pump 2 and the exhaust pipe 22, the extraction effect of the internal gas of the grain storage bin 3 is achieved, the air pressure in the grain storage bin 3 is changed, and the extraction and transportation operation of the grain is completed under the connection between the grain suction pipe 72 and the passage of the grain storage bin 3.

[0024] Furthermore, the grain discharge pipe 4 is connected to the grain storage bin 3 through a passage. An electromagnetic control valve is provided at one end of the grain discharge pipe 4 close to the grain storage bin 3, and a disc is provided on the surface of the electromagnetic control valve. The grain discharge pipe 4 is controlled by the disc and the grain storage bin 3. Through the connection between the grain discharge pipe 4 and the grain storage bin 3, and under the connection between the grain discharge pipe 4 and the exhaust pipe 22, the discharge operation of the grain in the grain storage bin 3 is facilitated by the action of the electromagnetic control valve and the disc.

[0025] Furthermore, the exhaust pipe 22 passes through the surface of the grain outlet pipe 4, the exhaust pipe 21 and the exhaust port 52 are connected, the outer surface of the intake pipe 51 is provided with an intake control valve, and the cross-section of the outlet pipe 6 is "T"-shaped. Through the connection between the grain outlet pipe 4 and the exhaust pipe 22, under the action of the exhaust gas discharged from the exhaust pipe 22, the grain outlet pipe 4 can be assisted in the discharge operation of the grain.

[0026] Furthermore, the air outlet pipe 6 and the connecting cover 5 are connected through a passage, and the support plate 61 is composed of two parts, one part of the support plate 61 is in the shape of a circular plate, and the other part of the support plate 61 is in the shape of a cylinder. Through the connection between the air outlet pipe 6 and the connecting cover 5, under the action of the air intake control valve and the air suction port 52 on the air intake pipe 51, the suction pump 2 is convenient for extracting the gas in the grain storage bin 3. Under the action of the air outlet pipe 6, the suction pressure intensity in the grain storage bin 3 can be controlled.

[0027] Furthermore, a cylinder is fixedly connected to one end of the ball 63 close to the support plate 61, and the ball 63 is elastically connected to the support plate 61 through a support spring 62. The ball 63 and the inner wall of the sealing plate 64 are in contact with each other. Through the connection between the air outlet pipe 6 and the support plate 61, and under the connection between the support spring 62 and the ball 63, an elastic control effect of the position of the ball 63 in the sealing plate 64 is achieved.

[0028] Furthermore, the guide rail 65 and the air outlet pipe 6 are connected through a passage, and the connecting plate 66 passes through the guide rail 65 and the air outlet pipe 6 for sliding connection. A round rod is fixedly connected to the outer surface of the connecting plate 66, and the round rod and the limiting groove 67 are slidingly connected. The adjusting rod 68 passes through the surface of the guide rail 65 and contacts the connecting plate 66 through a thread. Through the connection between the guide rail 65 and the air outlet pipe 6, and under the connection between the limiting groove 67 and the round rod on the connecting plate 66, the sliding angle of the connecting plate 66 in the guide rail 65 is limited.

[0029] Furthermore, the passage at one end of the control bin 71 away from the grain inlet 7 is connected to a grain suction pipe 72, and an electric telescopic rod 73 is provided on the outer surface of the control bin 71. The output shaft of the electric telescopic rod 73 is fixedly connected to a partition 74, and the partition 74 and the control bin 71 are inserted through the grain suction pipe 72. The grain suction pipe 72 is connected to the passage of the grain inlet 7 through the control bin 71. Under the connection between the control bin 71 and the electric telescopic rod 73, the electric telescopic rod 73 and the partition 74 realize the control effect of the passage between the grain suction pipe 72 and the grain inlet 7.

[0030] Working principle: When the grain is sucked and transported, the air in the grain storage bin 3 can be extracted through the connection between the suction pump 2 and the exhaust pipe 21, under the action of the exhaust pipe 21, so that there is an air pressure difference between it and the external air pressure. Under the connection between the grain inlet 7 and the grain suction pipe 72, the grain enters the grain storage bin 3. Under the action of the electromagnetic control valve and the disc, the grain entering the grain storage bin 3 is discharged through the grain outlet pipe 4. Under the action of the exhaust pipe 22, the grain discharge can be assisted. Under the connection between the outlet pipe 6 and the support plate 61, the contact between the ball 63 and the sealing plate 64 is used to control the passage of the outlet pipe 6. Under the sliding connection between the connecting plate 66 and the guide rail 65, the contact between the adjusting rod 68 and the connecting plate 66 is used to control the position of the ball 63 in the sealing plate 64, so as to achieve the control effect of the suction pressure strength of the grain storage bin 3.

[0031] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

Claims

1. A grain suction machine capable of controlling suction pressure strength, comprising a movable frame (1) and a suction pump (2), characterized in that: The suction pump (2) is connected to the surface of the mobile frame (1) by bolts, the air inlet of the suction pump (2) is connected to the air extraction pipe (21), the air outlet of the suction pump (2) is connected to the exhaust pipe (22), the surface of the mobile frame (1) is fixedly connected to the grain storage bin (3), the bottom end of the grain storage bin (3) is connected to the grain outlet pipe (4) through a flange, the top end of the grain storage bin (3) is connected to the connection cover (5), the surface passage of the connection cover (5) is connected to the air outlet pipe (6), the opposite surface of the connection cover (5) is connected to the air inlet pipe (51) and the air extraction port (52), the outer surface passage of the grain storage bin (3) is connected to the grain inlet (7 ), the surface of the food inlet (7) is connected to a control bin (71) through a flange, the inner side of the air outlet pipe (6) is fixedly connected to a support plate (61), the inner side of the support plate (61) is provided with a support spring (62), the surface of the support spring (62) is connected to a ball (63), the inner side of the air outlet pipe (6) is fixedly connected to a sealing plate (64), the outer surface of the air outlet pipe (6) is provided with a guide rail (65), the inner side of the guide rail (65) is provided with a limiting groove (67), the outer surface of the ball (63) is fixedly connected to a connecting plate (66), and the surface of the guide rail (65) is connected through an adjusting rod (68).

2. A grain suction machine with controllable suction pressure according to claim 1, characterized in that: The grain discharge pipe (4) is connected to the grain storage bin (3) through a passage. An electromagnetic control valve is provided at one end of the grain discharge pipe (4) close to the grain storage bin (3), and a disc is provided on the surface of the electromagnetic control valve. The grain discharge pipe (4) is controlled through the passage between the disc and the grain storage bin (3).

3. The grain suction machine with controllable suction pressure according to claim 1, characterized in that: The exhaust pipe (22) passes through the surface of the grain outlet pipe (4), the air extraction pipe (21) is connected to the air extraction port (52), an air intake control valve is provided on the outer surface of the air intake pipe (51), and the cross section of the air outlet pipe (6) is in a "T" shape.

4. The grain suction machine with controllable suction pressure according to claim 1, characterized in that: The air outlet pipe (6) and the connecting cover (5) are connected by a passage. The support plate (61) consists of two parts. One part of the support plate (61) is in a circular plate shape, and the other part of the support plate (61) is in a cylindrical shape.

5. The grain suction machine with controllable suction pressure according to claim 1, characterized in that: One end of the abutting ball (63) close to the support plate (61) is fixedly connected to a cylinder, the abutting ball (63) is elastically connected to the support plate (61) via a support spring (62), and the abutting ball (63) is in abutment contact with the inner wall of the sealing plate (64).

6. The grain suction machine with controllable suction pressure according to claim 1, characterized in that: The guide rail (65) and the air outlet pipe (6) are connected by a passage, the connecting plate (66) penetrates the guide rail (65) and the air outlet pipe (6) and is slidably connected, a round rod is fixedly connected to the outer surface of the connecting plate (66), and the round rod is slidably connected to the limiting groove (67), and the adjusting rod (68) penetrates the surface of the guide rail (65) and contacts the connecting plate (66) through a thread.

7. The grain suction machine with controllable suction pressure according to claim 1, characterized in that: The control chamber (71) is connected to a grain suction pipe (72) at one end thereof away from the grain inlet (7). An electric telescopic rod (73) is provided on the outer surface of the control chamber (71). The output shaft of the electric telescopic rod (73) is fixedly connected to a partition (74). The partition (74) and the control chamber (71) are plugged through. The grain suction pipe (72) is connected to the grain inlet (7) through the control chamber (71).

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