A grain dryer grain delivery mechanism

Abstract

The present application relates to the technical field of grain drying, in particular to a grain conveying mechanism of a grain dryer, which relates to a grain dryer, comprising: a conveying mechanism body, guide plates, a pressing roller, a pressing belt, a rotating part and an adjusting part; the beneficial effects are: the grains can enter between the two guide plates through the guide slope, the pressing roller is driven to rotate by the rotating part, and the pressing belt is driven to rotate by the pressing roller, the rotating direction of the pressing roller is opposite to the conveying direction of the conveying mechanism body, thereby the grains between the two guide plates are extruded and flattened, the flattening height is equal to the distance between the pressing belt and the conveying mechanism body, thereby the thickness of the grains is thinned, and the grains passing through the dryer can be completely dried without secondary drying, thereby improving the drying efficiency.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of grain drying, in particular to a grain conveying mechanism of a grain dryer. BACKGROUND

[0002] After the grain is harvested, in order to be stored and processed, it must be dried, usually using a grain dryer, first filtering the harvested grain through a screening machine and then falling on a conveyor belt, and then slowly drying through the dryer.

[0003] Currently, the grain is directly dropped onto the conveyor belt through the screening machine, resulting in uneven thickness of the grain on the conveyor belt, and when the conveyor belt passes through the dryer at a uniform speed, the grain with thin thickness can be completely dried, while the grain with thick thickness cannot be completely dried, so that secondary drying is required, reducing the drying efficiency. SUMMARY

[0004] The purpose of the present application is to provide a grain conveying mechanism of a grain dryer to solve the problem of uneven thickness of the grain on the conveyor belt.

[0005] To achieve the above purpose, the present application provides the following technical scheme:

[0006] A grain conveying mechanism of a grain dryer relates to a grain dryer, comprising:

[0007] A conveying mechanism body is arranged on the grain dryer;

[0008] A guide plate is arranged on the conveying mechanism body, and two groups of guide plates are arranged on both sides of the conveying mechanism body, and the end of the guide plate is provided with a guide slope;

[0009] A pressing roller is rotatably arranged between the two groups of guide plates, and a plurality of pressing rollers are arranged;

[0010] A pressing belt is sleeved on the outside of the plurality of pressing rollers;

[0011] A rotating part is arranged above the conveying mechanism body, and the rotating part drives the pressing roller to rotate through the movement of the conveying mechanism body, and the rotating direction of the pressing roller is opposite to the conveying direction of the conveying mechanism body;

[0012] An adjusting part is arranged above the conveying mechanism body, and is used for adjusting the spacing size between the plurality of pressing rollers and the conveying mechanism body.

[0013] Preferably, the rotating part comprises a sliding groove, a rotating rod, an adjusting fixed block and a connecting member, the number of the sliding groove and the rotating rod is same as the number of the pressing roller, the sliding groove penetrates through the position of the guide plate corresponding to the pressing roller, one end of the rotating rod is connected with the pressing roller and the other end of the rotating rod extends out of the sliding groove, the adjusting fixed block is sleeved on the rotating rod, and the rotating rod is rotationally connected with the adjusting fixed block, and the connecting member is used to drive the rotating rod to rotate.

[0014] Preferably, the rotating part comprises a rotating drum, a first belt groove, a second belt groove and a belt, the rotating drum is rotationally arranged on the adjusting fixed block, and the rotating drum is in contact with the conveying mechanism body, the first belt groove is arranged at one end of the rotating rod extending out of the sliding groove, the second belt groove is arranged at the position of the rotating drum corresponding to the first belt groove, and the belt is sleeved at the position of the rotating rod corresponding to the first belt groove and the position of the rotating drum corresponding to the second belt groove.

[0015] Preferably, the adjusting part comprises an adjusting block, an adjusting rod, a limiting member, a tension adjusting member, a pressing member and a dismounting member, the adjusting block is arranged on the adjusting fixed block at one side of the pressing roller, two ends of the adjusting rod are connected with the adjusting blocks at two sides of the pressing roller, the limiting member is arranged between the adjusting block and the guide plate and is used to limit the adjusting block, the tension adjusting member is arranged on the conveying mechanism body and is used to adjust the tension of the belt, the pressing member is arranged on the adjusting rod and is used to cancel the limitation of the limiting member on the adjusting block, and the dismounting member is arranged on the adjusting block and is used to dismount the adjusting rod.

[0016] Preferably, the limiting member comprises a limiting sliding block, a limiting sliding groove, a limiting groove, a limiting top holding groove and a limiting block, the limiting sliding block is arranged on the side of the adjusting block close to the guide plate, the limiting sliding groove is arranged at the position of the guide plate corresponding to the limiting sliding block, and the end of the limiting sliding block is slidingly arranged in the limiting sliding groove, the limiting groove is arranged at two sides of the limiting sliding groove, and a plurality of limiting grooves are vertically distributed in the limiting sliding groove, the limiting top holding groove is arranged at the position of the limiting sliding block corresponding to the limiting groove, the limiting block is slidingly arranged in the limiting top holding groove, and a limiting spring is arranged between the limiting block and the limiting top holding groove and is used to push one end of the limiting block into the limiting groove.

[0017] Preferably, the tension adjusting member comprises a rotating plate, a connecting rod, a rotating shaft and a guiding connecting member, the rotating plate is arranged on the side of the adjusting fixed block close to the roller, one end of the connecting rod is hinged to the roller and the other end is arranged in the rotating plate and rotatably connected to the rotating plate, the rotating shaft is arranged through the rotating plate and the connecting rod, a torsion spring is arranged between the rotating shaft and the connecting rod for driving the connecting rod to rotate towards the adjusting fixed block, and the guiding connecting member is used for driving the belt to be tensioned.

[0018] Preferably, the guiding connecting member comprises a connecting block, a connecting sliding groove, a connecting sliding block, a guiding sliding groove, a guiding sliding block and a fixed column, the connecting block is arranged below the adjusting block, the connecting sliding groove is arranged on both sides of the connecting block and penetrates through the connecting block, the connecting sliding block is arranged at the position of the adjusting block corresponding to the connecting sliding groove, the connecting sliding block is slidingly arranged in the connecting sliding groove, one end of the connecting sliding groove close to the roller is high, the guiding sliding groove is arranged on the grain dryer, the guiding sliding block is arranged at the position of the connecting block corresponding to the guiding sliding groove and slidingly arranged in the guiding sliding groove, and the fixed column is arranged in the connecting block and one side of the belt is sleeved on the fixed column.

[0019] Preferably, the pressing member comprises a pressing groove, an adjusting button, an elastic sheet, a second top-holding groove, a second top-holding block, a first traction rope and a top-holding member, the pressing groove is arranged on the top of the adjusting rod, the adjusting button is slidingly arranged in the pressing groove, one end of the elastic sheet is connected to the pressing groove and the other end is connected to the adjusting button, the second top-holding groove is arranged on the adjusting rod, the second top-holding block is slidingly arranged in the second top-holding groove, a second top-holding spring is arranged between the second top-holding groove and the second top-holding block, one end of the second top-holding spring is connected to the second top-holding groove and the other end is connected to the second top-holding block, one end of the first traction rope is connected to the adjusting button and the other end penetrates through the adjusting rod and is connected to the second top-holding block, and the top-holding member is arranged in the adjusting block for driving the limiting block to be arranged in the limiting top-holding groove.

[0020] Preferably, the top-holding member comprises a first top-holding groove, a first top-holding block and a second traction rope, the first top-holding groove is arranged at the position of the adjusting block corresponding to the second top-holding groove, the first top-holding block is slidingly arranged in the first top-holding groove, a first top-holding spring is arranged between the first top-holding groove and the first top-holding block for driving the first top-holding block to extend out of the first top-holding groove, the elastic force of the first top-holding spring is smaller than that of the second top-holding spring, one end of the second traction rope is connected to the first top-holding block and the other end penetrates through the adjusting block and the limiting sliding block and is connected to the limiting block.

[0021] Preferably, the disassembly component includes a plug-in groove, a locking groove, a third supporting groove, a locking block, and a pull rod. The plug-in groove is located on the top of the adjusting block, and the end of the adjusting rod is inserted into the plug-in groove. The locking groove is located on the side of the adjusting rod away from the second supporting groove. The third supporting groove is located on the adjusting block at the position corresponding to the locking groove. The locking block is slidably disposed in the third supporting groove. A third supporting spring is provided between the third supporting groove and the locking block to push one end of the locking block into the locking groove. The top of the locking block has a locking block inclined surface. The pull rod is located on the outside of the adjusting block, and one end of the pull rod passes through the adjusting block and is connected to the locking block.

[0022] The grain dryer is equipped with a fixing plate, and a storage box is installed on the fixing plate for placing the adjusting rod.

[0023] Compared with the prior art, the beneficial effects of the present invention are:

[0024] 1. This invention facilitates the entry of grains between two sets of guide plates via a guide ramp. A rotating component drives the pressure roller to rotate, which in turn drives the pressure belt to rotate. The rotation direction of the pressure roller is opposite to the conveying direction of the conveying mechanism body, thereby compressing and flattening the grains entering between the two sets of guide plates. The flattening height is equal to the distance between the pressure belt and the conveying mechanism body, thus thinning the grains and ensuring that the grains passing through the dryer can be completely dried without secondary drying, thereby improving drying efficiency.

[0025] 2. This invention allows for adjustment of the distance between multiple chutes and the conveyor body via an adjustable component, thereby adjusting the distance between the pressure belt and the conveyor body. This enables the spreading of grains at different heights, facilitating adjustments for different types of grains. This ensures that different types of grains can be spread thinly and completely dried without the need for secondary drying, thus improving drying efficiency. Attached Figure Description

[0026] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0027] Figure 2 This is a partial three-dimensional structural diagram of the present invention;

[0028] Figure 3 for Figure 2 An enlarged schematic diagram of the structure at point A;

[0029] Figure 4 This is a partial cross-sectional three-dimensional structural schematic diagram of the present invention;

[0030] Figure 5 for Figure 4An enlarged schematic view of the structure at B;

[0031] Figure 6 An enlarged schematic view of the structure of the limiting groove and the limiting block;

[0032] Figure 7 An enlarged schematic view of the structure of the adjusting block;

[0033] Figure 8 An enlarged schematic view of the structure of the pressing belt and the pressing roller;

[0034] Figure 9 An enlarged schematic view of the structure of the adjusting block;

[0035] Figure 10 An enlarged schematic view of the structure of the connecting block.

[0036] In the figure: grain dryer 1, conveying mechanism body 2, fixed plate 3, storage box 4, guide plate 5, guide inclined surface 501, pressing belt 6, adjusting rod 7, adjusting button 8, sliding groove 9, adjusting block 10, adjusting fixed block 11, connecting rod 12, belt 13, rotating rod 14, rotating plate 15, rotating shaft 16, roller 17, limiting sliding groove 18, limiting groove 19, limiting sliding block 20, pull rod 21, connecting block 22, connecting sliding groove 23, fixed column 24, guide sliding groove 25, pressing groove 26, elastic sheet 27, first traction rope 28, pressing roller 29, connecting sliding block 30, guide sliding block 31, second traction rope 32, first top-holding groove 33, first top-holding spring 34, first top-holding block 35, second top-holding block 36, second top-holding groove 37, second top-holding spring 38, clamping groove 39, clamping block 40, clamping block inclined surface 4001, third top-holding groove 42, third top-holding spring 43, limiting block 44, limiting top-holding groove 45, limiting spring 46, first belt groove 47, second belt groove 48, plug-in groove 49. DETAILED DESCRIPTION

[0037] In order to more clearly illustrate the overall concept of the present application, the following will be described in detail in an exemplary manner in combination with the drawings.

[0038] It should be noted that in the following description, many specific details are set forth in order to provide a thorough understanding of the present application, however, the present application can also be implemented in other ways different from those described herein, therefore, the scope of protection of the present application is not limited by the specific embodiments disclosed below.

[0039] In addition, in the description of the present application, it needs to be understood that the terms "center", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential" and the like indicate the orientation or positional relationship shown in the drawings based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application.

[0040] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting", "fixing" and the like should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements. However, it is noted that direct connection means that the connection between the two main bodies does not form a connection relationship through an excessive structure, but is connected to form a whole only through the connection structure. For those skilled in the art, the specific meanings of the above terms in the present application can be understood according to the specific circumstances.

[0041] In the present application, unless otherwise explicitly specified and limited, the first feature is "on" or "under" the second feature, which can be direct contact between the first and second features, or indirect contact between the first and second features through an intermediate medium. In the description of the present application, the description referring to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In the present application, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0042] Embodiment one:

[0043] Please refer to Figures 1 to 10The application provides a technical scheme: a grain conveying mechanism of a grain dryer, relating to a grain dryer 1, comprising: a conveying mechanism body 2 arranged on the grain dryer 1; guide plates 5 arranged on the conveying mechanism body 2, two groups of the guide plates 5 are arranged on the two sides of the conveying mechanism body 2, and end portions of the guide plates 5 are provided with guide inclined surfaces 501; pressing rollers 29 rotatably arranged between the two groups of the guide plates 5 and provided with a plurality of the pressing rollers 29; a pressing belt 6 sleeved outside the plurality of the pressing rollers 29; a rotating part arranged above the conveying mechanism body 2, the rotating part drives the pressing rollers 29 to rotate through movement of the conveying mechanism body 2, and a rotating direction of the pressing rollers 29 is opposite to a conveying direction of the conveying mechanism body 2; and an adjusting part arranged above the conveying mechanism body 2, the adjusting part is used for adjusting a spacing size between the plurality of the pressing rollers 29 and the conveying mechanism body 2.

[0044] The guide inclined surfaces 501 facilitate the grains to enter between the two groups of the guide plates 5, the rotating part drives the pressing rollers 29 to rotate, the pressing rollers 29 drive the pressing belt 6 to rotate, the rotating direction of the pressing rollers 29 is opposite to the conveying direction of the conveying mechanism body 2, and then the grains entering between the two groups of the guide plates 5 are extruded and flattened, the flattening height is equal to the spacing between the pressing belt 6 and the conveying mechanism body 2, the thickness of the grains is thinned, and then the grains passing through the dryer can be completely dried without secondary drying, and the drying efficiency is improved.

[0045] The adjusting part can adjust the spacing between the plurality of the sliding grooves 9 and the conveying mechanism body 2, then the spacing between the pressing belt 6 and the conveying mechanism body 2 is adjusted, then grains of different heights can be flattened, adjustment for different kinds of grains is realized, then different kinds of grains can be thinned, and then different kinds of grains can be completely dried without secondary drying, and the drying efficiency is improved.

[0046] Embodiment two:

[0047] As Figure 3 , 7As shown, the grain conveying mechanism of the grain dryer disclosed in the second embodiment of the present application has basically the same structure as that of the first embodiment, and the difference lies in that the rotating part for driving the pressing rollers 29 to rotate comprises the sliding grooves 9, the rotating rods 14, the adjusting fixed blocks 11 and the connecting members, the number of the sliding grooves 9 and the rotating rods 14 is the same as that of the pressing rollers 29, the sliding grooves 9 pass through the positions of the pressing rollers 29 on the guide plates 5, one end of each rotating rod 14 is connected with a pressing roller 29 and the other end of each rotating rod 14 extends out of the sliding groove 9, the adjusting fixed blocks 11 are sleeved on the rotating rods 14 and the rotating rods 14 are rotatably connected with the adjusting fixed blocks 11, and the connecting members are used for driving the rotating rods 14 to rotate; the rotating part comprises the roller 17, the first belt groove 47, the second belt groove 48 and the belt 13, the roller 17 is rotatably arranged on the adjusting fixed block 11 and the roller 17 is in contact with the conveying mechanism body 2, the first belt groove 47 is formed on the end of each rotating rod 14 extending out of the sliding groove 9, the second belt groove 48 is formed at the position of the roller 17 corresponding to the first belt groove 47, and the belt 13 is sleeved at the position of each rotating rod 14 corresponding to the first belt groove 47 and at the position of the roller 17 corresponding to the second belt groove 48.

[0048] When the conveying mechanism body 2 moves, the roller 17 is driven to rotate by the conveying mechanism body 2, the belt 13 is driven to rotate by the roller 17, and the rotating rods 14 and the pressing rollers 29 are driven to rotate by the belt 13.

[0049] Embodiment three:

[0050] As Figures 2-6The structure of the grain conveying mechanism of the grain dryer disclosed in Embodiment Three of the present application is basically the same as that in Embodiment Two, and the difference lies in the adjustment of the distance between the pressing belt 6 and the conveying mechanism body 2. The adjustment component comprises an adjustment block 10, an adjustment lever 7, a limiting part, a tension adjustment part, a pressing part and a dismounting part. The adjustment block 10 is arranged on the adjustment fixed block 11 on one side of the pressing roller 29. The two ends of the adjustment lever 7 are connected with the adjustment blocks 10 on the two sides of the pressing roller 29. The limiting part is arranged between the adjustment block 10 and the guide plate 5, and is used for limiting the adjustment block 10. The tension adjustment part is arranged on the conveying mechanism body 2, and is used for adjusting the tension of the belt 13. The pressing part is arranged on the adjustment lever 7, and is used for canceling the limitation of the limiting part on the adjustment block 10. The dismounting part is arranged on the adjustment block 10, and is used for dismounting the adjustment lever 7.

[0051] The tension adjustment part comprises a rotating plate 15, a connecting rod 12, a rotating shaft 16 and a guide connecting part. The rotating plate 15 is arranged on one side of the adjustment fixed block 11 close to the roller 17. One end of the connecting rod 12 is hinged with the roller 17, and the other end is arranged in the rotating plate 15 and is rotationally connected with the rotating plate 15. The rotating shaft 16 passes through the rotating plate 15 and the connecting rod 12. A torsional spring is arranged between the rotating shaft 16 and the connecting rod 12, and is used for driving the connecting rod 12 to rotate towards the adjustment fixed block 11. The guide connecting part is used for driving the belt 13 to be tensioned.

[0052] The pressing piece comprises a pressing groove 26, an adjusting button 8, an elastic sheet 27, a second top-holding groove 37, a second top-holding block 36, a first traction rope 28 and a top-holding piece. The pressing groove 26 is arranged on the top of the adjusting rod 7, the adjusting button 8 is slidingly arranged in the pressing groove 26, one end of the elastic sheet 27 is connected with the pressing groove 26, and the other end is connected with the adjusting button 8. The second top-holding groove 37 is arranged on the adjusting rod 7, the second top-holding block 36 is slidingly arranged in the second top-holding groove 37, and the second top-holding spring 38 is arranged between the second top-holding groove 37 and the second top-holding block 36. One end of the second top-holding spring 38 is connected with the second top-holding groove 37, and the other end is connected with the second top-holding block 36. One end of the first traction rope 28 is connected with the adjusting button 8, and the other end passes through the adjusting rod 7 and is connected with the second top-holding block 36. The top-holding piece is arranged in the adjusting block 10 and is used for driving the limiting block 44 into the limiting top-holding groove 45. The top-holding piece comprises a first top-holding groove 33, a first top-holding block 35 and a second traction rope 32. The first top-holding groove 33 is arranged at the position corresponding to the second top-holding groove 37 of the adjusting block 10. The first top-holding block 35 is slidingly arranged in the first top-holding groove 33. The first top-holding spring 34 is arranged between the first top-holding groove 33 and the first top-holding block 35 and is used for pushing the first top-holding block 35 to extend out of the first top-holding groove 33. The elastic force of the first top-holding spring 34 is smaller than the elastic force of the second top-holding spring 38. One end of the second traction rope 32 is connected with the first top-holding block 35, and the other end passes through the adjusting block 10 and the limiting sliding block 20 and is connected with the limiting block 44.

[0053] By pressing the adjusting button 8, the adjusting button 8 drives the first traction rope 28 to be tightened, and then the first traction rope 28 moves the second top-holding block 36 towards the second top-holding spring 38. At this time, the first top-holding spring 34 holds the first top-holding block 35 into the second top-holding groove 37. The first top-holding block 35 drives the second traction rope 32 to be tightened, and then the second traction rope 32 pulls the limiting block 44 into the limiting top-holding groove 45, thereby canceling the limiting of the limiting sliding block 20. At this time, the adjusting rod 7 can drive the limiting sliding block 20 to move upwards or downwards in the limiting sliding groove 18, thereby driving the adjusting block 10 to move upwards or downwards. The adjusting fixed block 11 on the adjusting block 10 is rotationally connected with the rotating rod 14, thereby driving the rotating rod 14, the pressing roller 29 and the pressing belt 6 to move upwards or downwards, thereby adjusting the distance between the pressing belt 6 and the conveying mechanism body 2. After the adjustment is completed, the adjusting button 8 is released, the elastic sheet 27 holds the adjusting button 8 to be reset, thereby driving the first traction rope 28 to be loosened. At this time, the second top-holding spring 38 holds the second top-holding block 36 to push the first top-holding block 35 out of the second top-holding groove 37. The first top-holding block 35 drives the second traction rope 32 to be loosened, and then the limiting spring 46 holds the limiting block 44 into the limiting groove 19, thereby re-limiting the limiting sliding block 20, thereby limiting and fixing the adjusting block 10, and ensuring the stability of the distance between the pressing belt 6 and the conveying mechanism body 2.

[0054] When the adjusting block 10 moves upward or downward, the adjusting block 10 drives the connecting sliding block 30 to move upward or downward, when the connecting sliding block 30 moves upward, the connecting sliding block 30 slides in the connecting sliding groove 23 and drives the connecting sliding groove 23 to move away from the roller 17, the guide sliding groove 25 guides the connecting sliding groove 23 in cooperation with the guide sliding block 31, and the torsional spring is arranged between the rotating shaft 16 and the connecting rod 12, the torsional spring drives the connecting rod 12 to rotate towards the adjusting block 10, so that the roller 17 always contacts the conveying mechanism body 2, and the connecting sliding groove 23 drives the fixed column 24 away from the roller 17, so that the belt 13 always ensures the tension, and the roller 17 always drives the rotating rod 14 and the pressing roller 29 to rotate.

[0055] Embodiment four:

[0056] As shown in Figures 2-6 , 8-10, the grain conveying mechanism of the grain dryer disclosed in the fourth embodiment of the present application is basically the same as that in the third embodiment, and the difference lies in that the adjusting rod 7 is convenient to disassemble, and the disassembling part includes the plug-in groove 49, the clamping groove 39, the third top holding groove 42, the clamping block 40 and the pull rod 21, the plug-in groove 49 is arranged at the top of the adjusting block 10, the end of the adjusting rod 7 is inserted into the plug-in groove 49, the clamping groove 39 is arranged at the side of the adjusting rod 7 away from the second top holding groove 37, the third top holding groove 42 is arranged at the position corresponding to the clamping groove 39 of the adjusting block 10, the clamping block 40 is slidingly arranged in the third top holding groove 42, the third top holding spring 43 is arranged between the third top holding groove 42 and the clamping block 40, used for pushing one end of the clamping block 40 into the clamping groove 39, the top of the clamping block 40 is provided with the clamping block inclined surface 4001, and the pull rod 21 is located outside the adjusting block 10, and one end of the pull rod 21 passes through the adjusting block 10 and is connected with the clamping block 40; the fixed plate 3 is arranged on the grain dryer 1, and the storage box 4 is arranged on the fixed plate 3, used for placing the adjusting rod 7.

[0057] By pulling the pull rod 21, the clamping block 40 is driven to move towards the third top holding spring 43, so that the clamping block 40 is separated from the clamping groove 39, the limiting of the adjusting rod 7 is cancelled, and then the adjusting rod 7 can be disassembled, and then the disassembled adjusting rod 7 can be placed in the storage box 4, and when the adjusting rod 7 is installed, the clamping block 40 is conveniently pressed into the third top holding groove 42 through the clamping block inclined surface 4001, then when the clamping groove 39 is aligned with the third top holding groove 42, the third top holding spring 43 holds the clamping block 40 into the clamping groove 39, so as to limit the adjusting rod 7, and the adjusting rod 7 is convenient to install.

[0058] The specific scheme is:

[0059] The guide slope 501 facilitates the grain to enter between the two sets of guide plates 5, the rotating part drives the compression roller 29 to rotate, and the compression roller 29 drives the compression belt 6 to rotate, the rotating direction of the compression roller 29 is opposite to the conveying direction of the conveying mechanism body 2, thereby extruding and flattening the grain entering between the two sets of guide plates 5, and the flattening height is equal to the distance between the compression belt 6 and the conveying mechanism body 2, thereby thinning the thickness of the grain, and ensuring that the grain passing through the dryer can be completely dried without the need for secondary drying, thereby improving the drying efficiency.

[0060] The adjusting part can adjust the distance between the plurality of chutes 9 and the conveying mechanism body 2, thereby adjusting the distance between the compression belt 6 and the conveying mechanism body 2, thereby flattening the grain of different heights, and adjusting the flattening of different types of grain, thereby ensuring that different types of grain can be thinned, and ensuring that different types of grain can be completely dried without the need for secondary drying, thereby improving the drying efficiency.

[0061] By pressing the adjusting button 8, the adjusting button 8 drives the first traction rope 28 to tighten, and the first traction rope 28 moves the second top holding block 36 towards the second top holding spring 38, at this time the first top holding spring 34 holds the first top holding block 35 into the second top holding groove 37, the first top holding block 35 drives the second traction rope 32 to be tight, thereby the second traction rope 32 pulls the limiting block 44 into the limiting top holding groove 45, canceling the limiting of the limiting sliding block 20, at this time the adjusting rod 7 can drive the limiting sliding block 20 to move upwards or downwards in the limiting sliding groove 18, thereby driving the adjusting block 10 to move upwards or downwards, the adjusting fixed block 11 on the adjusting block 10 is rotationally connected with the rotating rod 14, thereby driving the rotating rod 14, the compression roller 29 and the compression belt 6 to move upwards or downwards, thereby adjusting the distance between the compression belt 6 and the conveying mechanism body 2, after the adjustment is completed, the adjusting button 8 is released, the spring piece 27 holds the adjusting button 8 to reset, thereby driving the first traction rope 28 to relax, at this time the second top holding spring 38 holds the second top holding block 36 to push the first top holding block 35 out of the second top holding groove 37, the first top holding block 35 drives the second traction rope 32 to relax, and the limiting spring 46 holds the limiting block 44 into the limiting groove 19, thereby re-limiting the limiting sliding block 20, thereby limiting and fixing the adjusting block 10, ensuring the stability of the distance between the compression belt 6 and the conveying mechanism body 2.

[0062] When the adjusting block 10 moves upward or downward, the adjusting block 10 drives the connecting sliding block 30 to move upward or downward, when the connecting sliding block 30 moves upward, the connecting sliding block 30 slides in the connecting sliding groove 23 and drives the connecting sliding groove 23 to move away from the roller 17, the guide sliding groove 25 guides the connecting sliding groove 23 in cooperation with the guide sliding block 31, and the torsional spring is arranged between the rotating shaft 16 and the connecting rod 12, the torsional spring drives the connecting rod 12 to rotate towards the adjusting block 10, so that the roller 17 always contacts the conveying mechanism body 2, and the connecting sliding groove 23 drives the fixed column 24 away from the roller 17, so that the belt 13 always ensures the tension, and the roller 17 always drives the rotating rod 14 and the pressing roller 29 to rotate.

[0063] By pulling the pull rod 21, the clamping block 40 is driven to move towards the third retaining spring 43, so that the clamping block 40 is separated from the clamping groove 39, the limiting of the adjusting rod 7 is cancelled, and then the adjusting rod 7 can be disassembled, and then the disassembled adjusting rod 7 can be placed in the storage box 4, and when the adjusting rod 7 is installed, the clamping block 40 is pressed into the third retaining groove 42 through the clamping block inclined surface 4001, then when the clamping groove 39 is aligned with the third retaining groove 42, the third retaining spring 43 retains the clamping block 40 into the clamping groove 39, and then the adjusting rod 7 is limited, and the adjusting rod 7 is convenient to install.

[0064] Those skilled in the art should understand that the above discussion of any embodiment is only exemplary and is not intended to imply that the scope (including claims) of the present application is limited to these examples; under the idea of the present application, the above embodiments or technical features in different embodiments can also be combined, the steps can be implemented in any order, and there are many other changes of different aspects of the present application as described above, which are not provided in details for the sake of brevity.

[0065] The present application is intended to cover all such alternatives, modifications and variations as fall within the broad scope of the appended claims. Accordingly, any and all such modifications, variations or equivalents that fall within the spirit and scope of the application are intended to be embraced by the claims.

Claims

1. A grain delivery mechanism for a grain dryer, in connection with a grain dryer (1), characterized in that, The utility model relates to a kind of grain dryer and its conveying mechanism, including: Conveying mechanism body (2) is arranged on grain dryer (1); Guide plate (5) is arranged on conveying mechanism body (2), is provided with two groups, is located the both sides of conveying mechanism body (2), and the end of guide plate (5) is provided with guide slope (501); Pressing roller (29) is rotatably arranged between two groups of guide plate (5), and is provided with multiple;Pressing belt (6) is sleeved on the outside of multiple pressing roller (29); Rotating component is arranged above conveying mechanism body (2), and it is driven pressing roller (29) rotation by the movement of conveying mechanism body (2), and the rotating direction of pressing roller (29) is opposite to the conveying direction of conveying mechanism body (2); Adjusting component is arranged above conveying mechanism body (2), for adjusting the spacing size of multiple pressing roller (29) and conveying mechanism body (2); Rotating component includes chute (9), rotating lever (14), adjusting fixed block (11) and linkage, the number of chute (9) and rotating lever (14) is same with the number of pressing roller (29), chute (9) is penetrated in the position of guide plate (5) corresponding pressing roller (29), one end of rotating lever (14) is connected with pressing roller (29), and the other end is set out of chute (9), adjusting fixed block (11) is sleeved on multiple rotating lever (14), and rotating lever (14) is rotatably connected with adjusting fixed block (11), and linkage is used to drive multiple rotating lever (14) rotation; Linkage includes cylinder (17), first belt groove (47), second belt groove (48) and belt (13), cylinder (17) is rotatably arranged on adjusting fixed block (11), and cylinder (17) is in contact with conveying mechanism body (2), first belt groove (47) is opened in the one end of each rotating lever (14) set out of chute (9), second belt groove (48) is opened in the position of cylinder (17) corresponding first belt groove (47), and belt (13) is sleeved in the position of each rotating lever (14) corresponding first belt groove (47) and the position of cylinder (17) corresponding second belt groove (48); Adjusting component includes adjusting block (10), adjusting lever (7), limiting part, tension adjusting part, pressing part and dismounting part, adjusting block (10) is arranged on adjusting fixed block (11) on the side of pressing roller (29), both ends of adjusting lever (7) are connected with adjusting block (10) on the both sides of pressing roller (29), limiting part is arranged between adjusting block (10) and guide plate (5), for the limiting of adjusting block (10), tension adjusting part is arranged on conveying mechanism body (2), for adjusting the tension of belt (13), pressing part is arranged on adjusting lever (7), for cancelling the limiting of adjusting block (10) by limiting component, dismounting part is arranged on adjusting block (10), for dismounting adjusting lever (7); The pressing piece comprises a pressing groove (26), an adjusting button (8), an elastic sheet (27), a second top-holding groove (37), a second top-holding block (36), a first traction rope (28) and a top-holding piece, the pressing groove (26) is arranged at the top of the adjusting rod (7), the adjusting button (8) is slidingly arranged in the pressing groove (26), one end of the elastic sheet (27) is connected with the pressing groove (26), and the other end is connected with the adjusting button (8), the second top-holding groove (37) is arranged on the adjusting rod (7), the second top-holding block (36) is slidingly arranged in the second top-holding groove (37), a second top-holding spring (38) is arranged between the second top-holding groove (37) and the second top-holding block (36), one end of the second top-holding spring (38) is connected with the second top-holding groove (37), and the other end is connected with the second top-holding block (36), one end of the first traction rope (28) is connected with the adjusting button (8), the other end passes through the adjusting rod (7) and is connected with the second top-holding block (36), and the top-holding piece is arranged in the adjusting block (10) and used for driving the limiting block (44) to enter the limiting top-holding groove (45).

2. The grain dryer grain delivery mechanism of claim 1, wherein, The limiting piece comprises a limiting sliding block (20), a limiting sliding groove (18), a limiting groove (19), a limiting top-holding groove (45) and a limiting block (44), the limiting sliding block (20) is arranged on one side of the adjusting block (10) close to the guide plate (5), the limiting sliding groove (18) is arranged at a position corresponding to the limiting sliding block (20) of the guide plate (5), and the end of the limiting sliding block (20) is slidingly arranged in the limiting sliding groove (18), the limiting groove (19) is arranged on both sides of the limiting sliding groove (18), and a plurality of limiting grooves (19) are arranged vertically in the limiting sliding groove (18), the limiting top-holding groove (45) is arranged at a position corresponding to the limiting groove (19) of the limiting sliding block (20), the limiting block (44) is slidingly arranged in the limiting top-holding groove (45), and a limiting spring (46) is arranged between the limiting block (44) and the limiting top-holding groove (45) and used for pushing one end of the limiting block (44) into the limiting groove (19).

3. The grain dryer grain delivery mechanism of claim 1, wherein, The tension adjusting piece comprises a rotating plate (15), a connecting rod (12), a rotating shaft (16) and a guide connecting piece, the rotating plate (15) is arranged on one side of the adjusting fixed block (11) close to the roller (17), one end of the connecting rod (12) is hingedly connected with the roller (17), the other end is arranged in the rotating plate (15) and is rotationally connected with the rotating plate (15), the rotating shaft (16) passes through the rotating plate (15) and the connecting rod (12) and is arranged, a torsional spring is arranged between the rotating shaft (16) and the connecting rod (12) and used for driving the connecting rod (12) to rotate towards the adjusting fixed block (11), and the guide connecting piece is used for driving the belt (13) to be tensioned.

4. The grain dryer grain delivery mechanism of claim 3, wherein, The guide linkage comprises a linkage block (22), a linkage sliding groove (23), a linkage sliding block (30), a guide sliding groove (25), a guide sliding block (31) and a fixed column (24), the linkage block (22) is arranged below the adjusting block (10), the linkage sliding groove (23) is arranged on both sides of the linkage block (22) and penetrates the linkage block (22), the linkage sliding block (30) is arranged at the position of the corresponding linkage sliding groove (23) of the adjusting block (10), the linkage sliding block (30) is slidingly arranged in the linkage sliding groove (23), one end of the linkage sliding groove (23) close to the roller (17) is high, the guide sliding groove (25) is arranged on the grain dryer (1), the guide sliding block (31) is arranged at the position of the corresponding guide sliding groove (25) of the linkage block (22), and the guide sliding block (31) is slidingly arranged in the guide sliding groove (25), the fixed column (24) is arranged in the linkage block (22), and one side of the belt (13) is sleeved on the fixed column (24).

5. The grain dryer grain delivery mechanism of claim 1, wherein, The top holder comprises a first top holding groove (33), a first top holding block (35) and a second traction rope (32), the first top holding groove (33) is arranged at the position corresponding to the second top holding groove (37) of the adjusting block (10), the first top holding block (35) is slidingly arranged in the first top holding groove (33), a first top holding spring (34) is arranged between the first top holding groove (33) and the first top holding block (35), for pushing the first top holding block (35) to extend out of the first top holding groove (33), and the elastic force of the first top holding spring (34) is smaller than the elastic force of the second top holding spring (38), one end of the second traction rope (32) is connected with the first top holding block (35), the other end passes through the adjusting block (10) and the limiting sliding block (20) and is connected with the limiting block (44).

6. The grain dryer grain delivery mechanism of claim 5, wherein, The dismounting part comprises a plug-in groove (49), a clamping groove (39), a third top holding groove (42), a clamping block (40) and a pull rod (21), the plug-in groove (49) is arranged at the top of the adjusting block (10), the end of the adjusting rod (7) is inserted into the plug-in groove (49), the clamping groove (39) is arranged on the side of the adjusting rod (7) away from the second top holding groove (37), the third top holding groove (42) is arranged at the position corresponding to the clamping groove (39) of the adjusting block (10), the clamping block (40) is slidingly arranged in the third top holding groove (42), a third top holding spring (43) is arranged between the third top holding groove (42) and the clamping block (40), for pushing one end of the clamping block (40) into the clamping groove (39), the top of the clamping block (40) is provided with a clamping block inclined surface (4001), the pull rod (21) is located outside the adjusting block (10), and one end of the pull rod (21) passes through the adjusting block (10) and is connected with the clamping block (40). The grain dryer (1) is provided with a fixed plate (3), and the fixed plate (3) is provided with a storage box (4) for placing the adjusting rod (7).

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