Device for unhusked rice unloading

Abstract

The utility model provides a device for unhusked rice unloading, which comprises a support frame and further comprises a hopper, the hopper is fixedly mounted at the top of the support frame, the bottom end of the hopper is fixedly communicated with a conveying pipe, and a sealing washer is fixedly mounted on the edge of a top port of the hopper; the protective cover is arranged at the top of the hopper; a lifting mechanism used for driving the protective cover to move up and down is installed on the side of the supporting frame. And the elastic connecting piece is arranged between the protective cover and the lifting mechanism. Through the arrangement of the protective cover and the lifting mechanism, the protective cover can cover and seal the top end opening of the hopper after discharging is finished, and the effect of preventing foreign matter and rainwater from entering is achieved; through the arrangement of the elastic connecting rod, after the protective cover is adjusted to the low position through the lifting mechanism, the elastic connecting rod generates tensile deformation, force for pressing the sealing gasket is provided for the protective cover, and the sealing performance of shielding protection is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of paddy unloading, in particular to a device for paddy unloading. BACKGROUND

[0002] The vehicle transports paddy to the factory, and unloading is carried out outside the warehouse, which needs to use an unloading device to convey the paddy into the warehouse.

[0003] In the existing patent document "CN214416990U One equipment convenient for paddy unloading", a hopper type hopper is used for loading paddy during unloading. When unloading, the feeding hopper is located on the empty land outside the warehouse. When unloading is not carried out, the top of the hopper is always open, foreign matter and rainwater can enter, causing pollution of the interior of the hopper or making the interior damp, which is not conducive to subsequent paddy unloading. SUMMARY

[0004] The utility model discloses a device for paddy unloading to solve the technical problem that the top port of the unloading hopper lacks protection and shielding.

[0005] The utility model solves the above-mentioned technical problem through the following technical scheme:

[0006] The utility model provides a device for paddy unloading, including support frame, still including: hopper, the hopper fixed mounting is to the top of support frame, and the bottom of hopper is fixedly connected with the conveying pipe, the top port edge of hopper is fixedly installed with sealing washer, protective cover, the protective cover sets up at the top of hopper, the side of support frame is installed with the lifting mechanism for driving protective cover up and down, elastic connecting piece, the elastic connecting piece sets up between protective cover and lifting mechanism.

[0007] In the technical scheme, the protective cover covers and closes the top port of the hopper after unloading is completed, which prevents foreign matter and rainwater from entering.

[0008] Preferably, the support frame includes a base, a support column, and a fixed frame, the base is fixedly installed with a support column at the top of each corner, the top end of the support column is fixedly connected with the bottom corner of the fixed frame, the fixed frame is fixedly sleeved to the outer wall of the hopper, and a plurality of mounting holes are formed in the base.

[0009] In the technical scheme, the support frame is used for supporting and fixing the hopper and is fixedly installed on the ground.

[0010] Preferably, the connection between the support column and the base and the connection between the support column and the fixed frame are fixedly installed with a reinforcing plate.

[0011] In the technical solution, the reinforcing plate is used for supporting the connection between the top end and the bottom end of the column.

[0012] Preferably, the top surface of the base is fixedly provided with a carrier, and the carrier is fixedly connected with the conveying pipe.

[0013] In the technical solution, the carrier is used for supporting the conveying pipe.

[0014] Preferably, the lifting mechanism comprises a connecting seat fixedly provided on the side wall of the base and a guide sleeve fixedly provided on the top surface of the connecting seat, the guide sleeve is provided with a guide groove along the axis, the guide groove is clearance-fitted with a movable prism, a threaded hole with a bottom opening is formed in the movable prism along the length direction, a threaded rod is threadedly connected with the threaded hole and vertically arranged in the guide groove, an inner cavity is formed between the connecting seat and the base, a transmission assembly is arranged in the inner cavity and connected with the threaded rod, and a first mark groove is formed in the lower side wall of the movable prism.

[0015] In the technical solution, the lifting mechanism is used for driving the protective cover to move up and down, so that the top port of the hopper is opened or closed.

[0016] Preferably, the transmission assembly comprises a first inner shaft and a second inner shaft, the first inner shaft and the second inner shaft are both rotationally arranged in the inner cavity, a first transmission wheel and a second transmission wheel are respectively fixedly sleeved on the first inner shaft and the second inner shaft, a transmission belt is wound between the first transmission wheel and the second transmission wheel, and the top end of the first inner shaft is fixedly connected with the bottom end of the threaded rod.

[0017] Preferably, a motor is fixedly provided on the top surface of the base, and the output shaft end of the motor is fixedly connected with the top end of the second inner shaft.

[0018] In the technical solution, the motor and the transmission assembly are used for driving the threaded rod to rotate.

[0019] Preferably, the elastic connecting piece comprises a square column, a sliding block and a spring, a sliding groove and a guide hole are formed in the top end of the movable prism, the bottom end of the guide hole is in communication with the top end of the sliding groove, the sliding block is slidingly arranged in the sliding groove, the top of the sliding block is fixedly connected with the square column, the square column is clearance-fitted with the guide hole, the top end of the square rod is fixedly connected with a bent rod, the bent rod is fixedly connected with the protective cover, and the spring is arranged at the bottom of the sliding block; a second mark groove is formed in the square column.

[0020] Preferably, the top end of the spring is fixedly connected with the bottom surface of the sliding block, and the bottom end of the spring is fixedly connected with the bottom wall of the sliding groove.

[0021] In the technical solution, the elastic connecting piece provides a downward pressure for the protective cover through tensile deformation, compresses the sealing gasket, and improves the sealing performance of the protection.

[0022] Preferably, the top of the protective cover is conical, and the bottom of the protective cover is open.

[0023] In the technical solution, the rain falling on the top of the protective cover can slide down through the design of the top conical surface.

[0024] On the basis of common knowledge in the art, the above-mentioned preferred conditions can be combined arbitrarily, that is, each preferred example of the utility model is obtained.

[0025] The positive progress effect of the utility model is that:

[0026] The above-mentioned device for unloading rice, by setting the protective cover and the lifting mechanism, in the process of unloading, the lifting mechanism adjusts the protective cover to the high position, and the top port of the hopper is not shielded, and after unloading, the lifting mechanism drives the protective cover to descend to the low position, covering the top port of the hopper, playing a protective shielding role, through the above design, realizing the automatic shielding and automatic canceling of the hopper; further, through the setting of the elastic connecting rod, after the lifting mechanism adjusts the protective cover to the low position, the protective cover is attached to the sealing gasket and is blocked, continues to be driven by the lifting mechanism, stretches the elastic connecting piece, makes the elastic connecting piece produce tensile deformation, provides the downward pressure for the protective cover through the tensile elastic force, and tightens the sealing gasket, improves the sealing property of shielding and protection. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 It is a structure schematic view of the whole of the utility model.

[0028] Figure 2 It is a structure schematic view of the inside of the inner cavity and the inside of the guide sleeve of the utility model.

[0029] Figure 3 It is a structure schematic view of the A part of the utility model. Figure 2

[0030] Figure 4 It is a structure schematic view of the B part of the utility model. Figure 2

[0031] Figure 5 It is a structure schematic view of the C part of the utility model. Figure 2

[0032] Figure 6 It is a structure schematic view of the elastic connecting piece of the utility model.

[0033] EXPLANATION OF REFERENCE NUMERALS

[0034] ​​​1, hopper; 101, sealing washer; 2, support frame; 201, support column; 202, fixed frame; 203, base; 204, reinforcing plate; 205, mounting hole; 3, conveying pipe; 4, carrier; 5, connecting seat; 6, guide sleeve; 601, guide groove; 7, movable prism; 701, screw hole; 702, first mark groove; 8, bent rod; 9, protective cover; 10, motor; 11, inner cavity; 12, transmission belt; 13, threaded rod; 14, first inner shaft; 15, first transmission wheel; 16, second inner shaft; 17, second transmission wheel; 18, sliding groove; 19, guide hole; 20, sliding block; 21, square column; 2101, second mark groove; 22, spring. DETAILED DESCRIPTION

[0035] The utility model is further illustrated below by way of examples, but the utility model is not limited in the scope of the examples.

[0036] As Figures 1-6 shown, a device for unloading rice, comprising a support frame 2, further comprising: a hopper 1, the hopper 1 is fixedly installed to the top of the support frame 2, and the bottom end of the hopper 1 is fixedly communicated with a conveying pipe 3, and the top edge of the hopper 1 is fixedly installed with a sealing washer 101; a protective cover 9 is arranged on the top of the hopper 1; a lifting mechanism for driving the protective cover 9 to move up and down is installed on the side of the support frame 2; an elastic connecting piece is arranged between the protective cover 9 and the lifting mechanism.

[0037] In specific implementation, wherein the conveying pipe 3 is connected to a impurity removing machine, the conveying pipe 3 adopts a vacuum pipe for conveying rice; or a spiral conveyor is arranged in the conveying pipe 3 for spiral conveying of rice into the warehouse.

[0038] As Figure 1 shown, the support frame 2 comprises a base 203, a support column 201 and a fixed frame 202, the support column 201 is fixedly installed at the top of the four corners of the base 203, the top end of the support column 201 is fixedly connected with the bottom of the four corners of the fixed frame 202, the fixed frame 202 is fixedly sleeved on the outer wall of the hopper 1, and a plurality of mounting holes 205 are formed in the base 203.

[0039] The connecting part of the support column 201 and the base 203 and the connecting part of the support column 201 and the fixed frame 202 are fixedly installed with reinforcing plates 204.

[0040] The top surface of the base 203 is fixedly installed with a carrier 4, and the carrier 4 is fixedly connected with the conveying pipe 3.

[0041] In the specific implementation, the trench is dug on the open space outside the warehouse, and the trench wall is coated with cement and provided with a waterproof coating; the dug trench is used for supporting the installation of the support frame 2 and the laying of the conveying pipe 3, and the conveying pipe 3 is laid into the warehouse.

[0042] The support frame 2 is provided with a mounting hole through the mounting hole 205, and is fixedly mounted.

[0043] When the vehicle arrives, the rice is unloaded into the top port of the hopper 1, and the rice enters the conveying pipe 3 through the hopper 1, and is transported into the warehouse through the vacuum transport or spiral transport in the conveying pipe 3.

[0044] As shown in Figures 1-5 The lifting mechanism includes a connecting seat 5 fixedly installed on the side wall of the base 203 and a guide sleeve 6 fixedly installed on the top surface of the connecting seat 5, the guide sleeve 6 is provided with a guide groove 601 along the axis, the guide groove 601 is connected with a movable prism 7 in a clearance fit, the movable prism 7 is provided with a threaded hole 701 with a bottom end opening along the length direction, the threaded hole 701 is threadedly connected with a threaded rod 13, and the threaded rod 13 is vertically arranged in the guide groove 601, an inner cavity 11 is formed between the connecting seat 5 and the base 203, a transmission assembly is arranged in the inner cavity 11, and the transmission assembly is connected with the threaded rod 13; a first mark groove 702 is formed in the lower side wall of the movable prism 7.

[0045] The transmission assembly includes a first inner shaft 14 and a second inner shaft 16, the first inner shaft 14 and the second inner shaft 16 are both rotatably installed in the inner cavity 11, a first transmission wheel 15 and a second transmission wheel 17 are respectively fixedly sleeved on the first inner shaft 14 and the second inner shaft 16, a transmission belt 12 is wound between the first transmission wheel 15 and the second transmission wheel 17, and the top end of the first inner shaft 14 is fixedly connected with the bottom end of the threaded rod 13.

[0046] The base 203 is fixedly installed with a motor 10 on the top surface, and the output shaft end of the motor 10 is fixedly connected with the top end of the second inner shaft 16.

[0047] The motor 10 is connected with a power supply and a controller, and the controller is manually controlled. After the unloading is completed, the motor 10 drives the second inner shaft 16 and the second transmission wheel 17 to rotate in the same direction, the transmission belt 12 is driven to rotate, the first transmission wheel 15 and the first inner shaft 14 are driven to rotate together, the threaded rod 13 is driven to threadedly rotate with the threaded hole 701, the movable prism 7, the elastic connecting piece and the protective cover 9 are driven to move downward under the guidance of the guide sleeve 6 and the guide groove 601, the protective cover 9 covers the top port of the hopper 1, and the top port is shielded and protected.

[0048] The top port of the hopper 1 is opened, the second inner shaft 16 and the second transmission wheel 17 are driven to rotate reversely by the motor 10, the protective cover 9 is raised by the above-mentioned transmission, is adjusted to the high position, the top port of the hopper 1 is unblocked, and the unloading can be carried out.

[0049] When the height of the protective cover 9 is adjusted, it is judged by manual whether the highest position is reached, and after the first mark groove 702 is aligned with the top end of the guide sleeve 6 or is higher than the top end of the guide sleeve 6, the motor 10 is turned off, that is, the movable prism 7 is adjusted to the position as shown in Figure 3

[0050] The motor 10 is a servo motor 10.

[0051] As shown in Figure 6 The top end of the movable prism 7 is provided with a sliding groove 18 and a guide hole 19, the bottom end of the guide hole 19 is communicated with the top end of the sliding groove 18, the sliding block 20 is slidingly installed into the sliding groove 18, the top of the sliding block 20 is fixedly connected with the square column 21, the square column 21 is connected with the guide hole 19 in a clearance fit, the top of the square column is fixedly connected with the bent rod 8, the bent rod 8 is fixedly connected with the protective cover 9, and the spring 22 is arranged at the bottom of the sliding block 20.

[0052] The top end of the spring 22 is fixedly connected with the bottom surface of the sliding block 20, and the bottom end of the spring 22 is fixedly connected with the bottom wall of the sliding groove 18.

[0053] In the specific implementation, after the protective cover 9 is adjusted to the low position, the protective cover 9 is in contact with the sealing gasket 101, the protective cover 9 is blocked and does not continue to move downward, the motor 10 continues to drive the second inner shaft 16 to rotate in the positive direction, the movable prism 7 continues to move downward, the square column, the sliding block 20 and the bent rod 8 are fixed with the protective cover 9, the square column, the sliding block 20 and the bent rod 8 do not move downward, the sliding block 20 slides in the sliding groove 18, the square column slides in the guide hole 19, and the spring 22 is stretched, so that the spring 22 is deformed by stretching, until the second mark groove 2101 is aligned with the top end of the movable prism 7, and the motor 10 is turned off.

[0054] Through the above, the elastic connecting piece is stretched, the spring 22 in the elastic connecting piece is stretched, a downward pressure is provided for the protective cover 9, the sealing gasket 101 is pressed, and the sealing property of the closed sealing gasket 101 is ensured.

[0055] The top of the protective cover 9 is conical, and the bottom of the protective cover 9 is open.

[0056] When the protective cover 9 protects the top of the hopper 1, rainwater falls on the conical surface in rainy weather, so that the rainwater falls conveniently.

[0057] ​The utility model is not limited to the above-mentioned embodiment, no matter makes any change in its shape or structure, all falls in the protection scope of the utility model. The protection scope of the utility model is defined by the appended claims, and the skilled in the art can make various changes or modifications to these embodiments without departing from the principles and essence of the utility model, but these changes and modifications all fall into the protection scope of the utility model.

Claims

1. A device for unloading rice, comprising a support frame (2), characterized in that, Also includes: The hopper (1) is fixedly installed on the top of the support frame (2), and the bottom end of the hopper (1) is fixedly connected to the conveying pipe (3). A sealing gasket (101) is fixedly installed on the edge of the top port of the hopper (1). A protective cover (9) is provided on the top of the hopper (1); a lifting mechanism for moving the protective cover (9) up and down is installed on the side of the support frame (2); An elastic connector is provided between the protective cover (9) and the lifting mechanism.

2. The device for unloading rice as described in claim 1, characterized in that: The support frame (2) includes a base (203), support columns (201) and a fixing frame (202). Support columns (201) are fixedly installed at the four corners of the top of the base (203). The top of the support column (201) is fixedly connected to the four corners of the bottom of the fixing frame (202). The fixing frame (202) is fixedly sleeved onto the outer wall of the hopper (1). Multiple mounting holes (205) are provided on the base (203).

3. The device for unloading rice as described in claim 2, characterized in that: Reinforcing plates (204) are fixedly installed at the connection between the support column (201) and the base (203) and at the connection between the support column (201) and the fixed frame (202).

4. The device for unloading rice as described in claim 2, characterized in that: A carrier (4) is fixedly installed on the top surface of the base (203), and the carrier (4) is fixedly connected to the conveying pipe (3).

5. The apparatus for unloading rice as described in claim 2, characterized in that: The lifting mechanism includes a connecting seat (5) fixedly installed on the side wall of the base (203) and a guide sleeve (6) fixedly installed on the top surface of the connecting seat (5). The guide sleeve (6) is provided with a guide groove (601) along the axis. The guide groove (601) is connected to a movable prism (7) with clearance fit. The movable prism (7) is provided with a screw hole (701) with an open bottom end along the length direction. The screw hole (701) is threadedly connected to a threaded rod (13), and the threaded rod (13) is vertically arranged in the guide groove (601). An inner cavity (11) is provided between the connecting seat (5) and the base (203). A transmission component is provided in the inner cavity (11). The transmission component is connected to the threaded rod (13). A first standard groove (702) is provided on the lower side wall of the movable prism (7).

6. The apparatus for unloading rice as described in claim 5, characterized in that: The transmission assembly includes a first inner shaft (14) and a second inner shaft (16). Both the first inner shaft (14) and the second inner shaft (16) are rotatably mounted in the inner cavity (11). A first transmission wheel (15) and a second transmission wheel (17) are respectively fixedly sleeved on the first inner shaft (14) and the second inner shaft (16). A transmission belt (12) is wound between the first transmission wheel (15) and the second transmission wheel (17). The top end of the first inner shaft (14) is fixedly connected to the bottom end of the threaded rod (13).

7. The apparatus for unloading rice as described in claim 6, characterized in that: A motor (10) is fixedly installed on the top surface of the base (203), and the output shaft end of the motor (10) is fixedly connected to the top end of the second inner shaft (16).

8. The apparatus for unloading rice as described in claim 5, characterized in that: The elastic connector includes a square column (21), a slider (20), and a spring (22). The top of the movable prism (7) is provided with a sliding groove (18) and a guide hole (19). The bottom end of the guide hole (19) is connected to the top end of the sliding groove (18). The slider (20) is slidably installed in the sliding groove (18). The top of the slider (20) is fixedly connected to the square column (21). The square column (21) is connected to the guide hole (19) with a clearance fit. The top end of the square column is fixedly connected to a bent rod (8). The bent rod (8) is fixedly connected to the protective cover (9). The spring (22) is set at the bottom of the slider (20). A second mark groove (2101) is provided on the square column (21).

9. The apparatus for unloading rice as described in claim 8, characterized in that: The top end of the spring (22) is fixedly connected to the bottom surface of the slider (20), and the bottom end of the spring (22) is fixedly connected to the bottom wall of the sliding groove (18).

10. The apparatus for unloading rice as described in claim 1, characterized in that: The top of the protective cover (9) is conical, and the bottom of the protective cover (9) is open.

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