Adjustable grain conveying device

Abstract

The utility model discloses an adjustable grain conveying device, and relates to the technical field of grain conveying devices. An adjustable grain conveying device comprises a working table, a conveying assembly is arranged in a square groove in the rear end of the working table, a rotating speed adjusting assembly and a looseness adjusting assembly are arranged in the working table, a feeding hopper is arranged on the top face of the working table, and the working table is fixedly connected with the feeding hopper; and a feeding hole is formed in the top surface of the feeding hopper. Transmission between the motor and the driving roller is completed through gear transmission, adjustment of the rotating speed is completed through adjustment of the tooth number of the gear, the transmission speed can be adjusted according to requirements, and the situation that a conveying belt is loosened is avoided by enabling the driven sleeve to always receive outward thrust.

Description

TECHNICAL FIELD

[0001] The utility model relates to grain conveying device technical field, concretely is adjustable grain conveying device. BACKGROUND

[0002] Grain conveyor is a mobile steering type belt conveyor, and is mainly used for bulk warehousing operation of flat warehouse. The grain conveyor is mainly composed of a conveying part and a driving part. It is mainly used for warehousing operation of large and medium-sized grain warehouses. When used, a transfer car is needed to push the grain into a feeding hopper, and then the grain is poured into the conveying belt by the feeding hopper for transmission.

[0003] In the prior art, most of the grain conveying is carried out by the belt conveyor, but the existing belt conveying process can only be uniformly conveyed. When the discharging amount is large, the grain is easy to accumulate on the surface of the belt and the conveying speed is slow, the rotating speed of the belt cannot be adjusted, and at the same time, the belt is easy to stretch in the long-term use process, the conveying belt is loose, and the driving roller and the conveying belt are easy to slip, which needs to be improved. In view of this, we provide an adjustable grain conveying device. SUMMARY

[0004] (I) Technical problem solved

[0005] In view of the deficiencies of the prior art, the utility model provides an adjustable grain conveying device, which solves the problem that the existing belt conveying process can only be uniformly conveyed, when the discharging amount is large, the grain is easy to accumulate on the surface of the belt and the conveying speed is slow, the rotating speed of the belt cannot be adjusted, and at the same time, the belt is easy to stretch in the long-term use process, the conveying belt is loose, and the driving roller and the conveying belt are easy to slip.

[0006] (II) Technical scheme

[0007] In order to achieve the above purpose, the utility model provides the following technical scheme:

[0008] An adjustable grain conveying device, comprising a workbench, a conveying assembly is arranged in the rear square groove of the workbench, a rotating speed adjusting assembly and a slackness adjusting assembly are arranged in the workbench, a feeding hopper is arranged on the top surface of the workbench, the workbench and the feeding hopper are fixedly connected, and a feeding port is formed in the top surface of the feeding hopper.

[0009] Preferably, the front section of the workbench is internally hollow and provided with a transmission adjusting cavity, the bottom surface of the transmission adjusting cavity is provided with a motor fixing boss and a transmission support table, the rear end side of the transmission adjusting cavity is provided with a sliding key groove and a positioning hole penetrating the interior, the rear end side of the transmission adjusting cavity is provided with a support boss, the transmission adjusting cavity, the motor fixing boss, the transmission support table and the support boss are fixedly connected, the rear end of the workbench is internally hollow and provided with a support boss, and the rear end of the workbench is internally hollow and provided with a sliding key groove and a positioning hole penetrating the interior.

[0010] Preferably, the conveying assembly comprises a conveying belt, a driven roller and a driving roller, the inner side of the sliding key groove is connected with the driven roller, the sliding key groove and the driven roller are rotationally connected, the inner side of the positioning hole is connected with the driving roller, the positioning hole and the driving roller are rotationally connected, the outer sides of the driven roller and the driving roller are connected with the conveying belt, and the conveying belt is frictionally connected with the driven roller and the driving roller.

[0011] Preferably, the rotating speed adjusting assembly comprises a conveying motor, an adjusting motor, a support shaft, a large gear, a small gear, a fixing sleeve, a screw rod, a threaded hole, an adjusting support, a spring, an adjusting fixing ring and a transmission shaft, the top of the motor fixing boss is provided with the conveying motor and the adjusting motor, the conveying motor and the adjusting motor are fixedly connected with the motor fixing boss, the output end of the conveying motor is provided with the fixing sleeve, the inner side of the fixing sleeve is provided with the support shaft, the outer side of the support shaft is provided with the large gear and the small gear, the conveying motor, the fixing sleeve, the support shaft and the large gear and the small gear are fixedly connected, the inner side of the fixing hole is connected with the support shaft, the fixing hole and the support shaft are rotationally connected, the output end of the adjusting motor is provided with the screw rod, the adjusting motor and the screw rod are fixedly connected, the left side of the adjusting support is provided with the threaded hole, the outer side of the screw rod is connected with the threaded hole, the screw rod and the adjusting support are threadedly connected, the right side inner end of the adjusting support is connected with the adjusting fixing ring, the adjusting fixing ring and the adjusting support are slidingly connected, the left side of the adjusting fixing ring is provided with the spring, the right side of the transmission support table is provided with the spring, the adjusting fixing ring, the spring and the transmission support table are fixedly connected, the inner side of the adjusting fixing ring is provided with the transmission shaft, the outer side of the transmission shaft is provided with the large gear and the small gear, the adjusting fixing ring, the transmission shaft and the large gear and the small gear are fixedly connected, the inner side of the rotating support hole is connected with the transmission shaft, the transmission support table and the transmission shaft are slidingly connected, the middle section cylinder of the adjusting support and the inner side of the sliding hole are connected, the adjusting support and the transmission support table are slidingly connected, and the large gears and the small gears at the two ends are meshingly connected.

[0012] Preferably, the slack adjusting assembly comprises an elastic piece, a taut push block, a supporting boss, the right side of the supporting boss is provided with the elastic piece, the right side of the elastic piece is provided with the taut push block, the supporting boss and the elastic piece are fixedly connected, the elastic piece and the taut push block are fixedly connected, the rear side of the taut push block is connected with a driven roller, the taut push block and the driven roller are rotationally connected, the outer side of the rear end of the taut push block is connected with a sliding key groove, and the taut push block and the sliding key groove are slidingly connected.

[0013] Preferably, the front side of the driving roller is provided with a sliding adjusting sleeve, the inner side of the sliding adjusting sleeve is connected with a transmission shaft, the driving roller and the sliding adjusting sleeve are fixedly connected, and the sliding adjusting sleeve and the transmission shaft are slidingly connected.

[0014] (Three) beneficial effects

[0015] Compared with the prior art, the utility model has the advantages that:

[0016] The utility model discloses a gear transmission is completed between motor to driving roller, and the adjustment between the gear tooth number is completed to the adjustment between the rotation speed, makes the transmission speed can be adjusted according to demand, through making driven sleeve always receive the outward thrust, avoids the slack situation of the conveyer belt. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is whole structure schematic diagram of the utility model;

[0018] Figure 2 It is whole structure split schematic diagram of the utility model;

[0019] Figure 3 It is Figure 2 It is the partial close -up schematic drawing of A in

[0020] Figure 4 It is whole structure overhead section schematic diagram of the utility model

[0021] Figure 5 It is the section schematic diagram of the utility model workbench.

[0022] In the figure: 1, workbench; 2, conveying belt; 3, feeding hopper; 4, feeding port; 5, conveying motor; 6, adjusting motor; 7, elastic member; 8, tensioning push block; 9, sliding key groove; 10, driven roller; 11, driving roller; 12, support shaft; 13, large gear; 14, small gear; 15, fixed sleeve; 16, screw rod; 17, threaded hole; 18, adjusting support; 19, spring; 20, adjusting fixed ring; 21, transmission shaft; 22, sliding adjusting sleeve; 23, support boss; 24, transmission adjusting cavity; 25, positioning hole; 26, fixed hole; 27, motor fixed boss; 28, transmission support table; 29, rotating support hole; 30, sliding hole. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0024] Please refer to Figures 1-5 The utility model provides a technical scheme;

[0025] The adjustable grain conveying device comprises a workbench 1, a conveying assembly is arranged in the square groove at the rear end of the workbench 1, a rotating speed adjusting assembly and a slackness adjusting assembly are arranged in the workbench 1, a feeding hopper 3 is arranged on the top surface of the workbench 1, and the workbench 1 and the feeding hopper 3 are fixedly connected, and a feeding port 4 is formed in the top surface of the feeding hopper 3.

[0026] The transmission adjusting cavity 24 is hollow in the front section of the workbench 1, the motor fixed boss 27 and the transmission support table 28 are arranged on the bottom surface of the transmission adjusting cavity 24, the sliding key groove 9 and the positioning hole 25 are arranged in the rear end side of the transmission adjusting cavity 24, the support boss 23 is arranged on the rear end side of the transmission adjusting cavity 24, the transmission adjusting cavity 24, the motor fixed boss 27, the transmission support table 28 and the support boss 23 are fixedly connected, the support boss 23 is hollow in the rear end of the workbench 1, and the sliding key groove 9 and the positioning hole 25 are arranged in the rear end of the workbench 1.

[0027] The conveying assembly comprises a conveying belt 2, a driven roller 10, a driving roller 11, the inner side of the sliding key groove 9 is connected with the driven roller 10, the sliding key groove 9 is rotationally connected with the driven roller 10, the inner side of the positioning hole 25 is connected with the driving roller 11, the positioning hole 25 is rotationally connected with the driving roller 11, the outer side of the driven roller 10 and the driving roller 11 is connected with the conveying belt 2, and the conveying belt 2 is frictionally connected with the driven roller 10 and the driving roller 11.

[0028] The rotating speed adjusting assembly comprises a conveying motor 5, an adjusting motor 6, a supporting shaft 12, a large gear 13, a small gear 14, a fixed sleeve 15, a screw rod 16, a threaded hole 17, an adjusting support 18, a spring 19, an adjusting fixed ring 20, a transmission shaft 21, the top of the motor fixed boss 27 is provided with the conveying motor 5 and the adjusting motor 6, the conveying motor 5 and the adjusting motor 6 are fixedly connected with the motor fixed boss 27, the output end of the conveying motor 5 is provided with the fixed sleeve 15, the inner side of the fixed sleeve 15 is provided with the supporting shaft 12, the outer side of the supporting shaft 12 is provided with the large gear 13 and the small gear 14, the conveying motor 5, the fixed sleeve 15, the supporting shaft 12, the large gear 13 and the small gear 14 are fixedly connected, the inner side of the fixed hole 26 is connected with the supporting shaft 12, the fixed hole 26 is rotationally connected with the supporting shaft 12, the output end of the adjusting motor 6 is provided with the screw rod 16, the adjusting motor 6 is fixedly connected with the screw rod 16, the left side of the adjusting support 18 is provided with the threaded hole 17, the outer side of the screw rod 16 is connected with the threaded hole 17, the screw rod 16 is threadedly connected with the adjusting support 18, the right side inner end of the adjusting support 18 is connected with the adjusting fixed ring 20, the adjusting fixed ring 20 is slidingly connected with the adjusting support 18, the left side of the adjusting fixed ring 20 is provided with the spring 19, the right side of the transmission support table 28 is provided with the spring 19, the adjusting fixed ring 20, the spring 19, the transmission support table 28 are fixedly connected, the inner side of the adjusting fixed ring 20 is provided with the transmission shaft 21, the outer side of the transmission shaft 21 is provided with the large gear 13 and the small gear 14, the adjusting fixed ring 20, the transmission shaft 21, the large gear 13 and the small gear 14 are fixedly connected, the inner side of the rotating support hole 29 is connected with the transmission shaft 21, the transmission support table 28 is slidingly connected with the transmission shaft 21, the middle segment cylinder of the adjusting support 18 is connected with the inner side of the sliding hole 30, the adjusting support 18 is slidingly connected with the transmission support table 28, and the two ends of the large gear 13 and the small gear 14 are meshingly connected.

[0029] The slackness adjusting assembly comprises the elastic member 7, the taut pushing block 8, the supporting boss 23, the right side of the supporting boss 23 is provided with the elastic member 7, the right side of the elastic member 7 is provided with the taut pushing block 8, the supporting boss 23 and the elastic member 7 are fixedly connected, the elastic member 7 and the taut pushing block 8 are fixedly connected, the rear side of the taut pushing block 8 is connected with the driven roller 10, the taut pushing block 8 and the driven roller 10 are rotationally connected, the outer side of the rear end of the taut pushing block 8 is connected with the sliding key groove 9, and the taut pushing block 8 and the sliding key groove 9 are slidingly connected.

[0030] The front side of the driving roller 11 is provided with the sliding adjusting sleeve 22, the inner side of the sliding adjusting sleeve 22 is connected with the transmission shaft 21, the driving roller 11 and the sliding adjusting sleeve 22 are fixedly connected, and the sliding adjusting sleeve 22 and the transmission shaft 21 are slidingly connected.

[0031] Working principle: when the utility model needs to convey the grain, the conveying motor 5 is started to drive the supporting shaft 12 to rotate, the supporting shaft 12 drives the pinion 14 to rotate, the pinion 14 drives the gear wheel 13 to rotate through meshing transmission, the gear wheel 13 drives the transmission shaft 21 to rotate, the transmission shaft 21 drives the driving roller 11 to rotate, so that the conveying of the grain is completed, when the conveying rotating speed needs to be adjusted, the adjusting motor 6 is started to drive the screw rod 16 to rotate, the screw rod 16 drives the adjusting support 18 to move to the front side, the adjusting support 18 drives the transmission shaft 21 to slide, so that the gear wheel 13 on the supporting shaft 12 and the pinion 14 on the transmission shaft 21 mesh to drive, thereby improving the rotating speed, the driven roller 10 always receives the force to the right side through the action of the elastic member 7, and the slack state of the conveying belt 2 is avoided.

[0032] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. An adjustable grain conveying device, comprising a workbench (1), characterized in that: The rear square groove of the workbench (1) is provided with a conveying component. The workbench (1) is provided with a speed adjustment component and a relaxation adjustment component. The top surface of the workbench (1) is provided with a feed hopper (3). The workbench (1) and the feed hopper (3) are fixedly connected. The top surface of the feed hopper (3) is provided with a feed inlet (4).

2. The adjustable grain conveying device according to claim 1, characterized in that: The front section of the workbench (1) is hollow and has a transmission adjustment cavity (24). The bottom surface of the transmission adjustment cavity (24) is provided with a motor fixing boss (27) and a transmission support platform (28). The rear side of the transmission adjustment cavity (24) is provided with a sliding keyway (9) and a positioning hole (25) that penetrate the interior. The rear side of the transmission adjustment cavity (24) is provided with a support boss (23). The transmission adjustment cavity (24) is fixedly connected to the motor fixing boss (27), the transmission adjustment cavity (24) is fixedly connected to the transmission support platform (28), and the transmission adjustment cavity (24) is fixedly connected to the support boss (23). The rear end of the workbench (1) is hollow and has a support boss (23). The rear end of the workbench (1) is hollow and has a sliding keyway (9) and a positioning hole (25) that penetrate the interior.

3. The adjustable grain conveying device according to claim 2, characterized in that: The conveying assembly includes a conveyor belt (2), a driven roller (10), and a driving roller (11). The driven roller (10) is connected to the inner side of the sliding keyway (9), and the sliding keyway (9) and the driven roller (10) are rotatably connected. The driving roller (11) is connected to the inner side of the positioning hole (25), and the positioning hole (25) and the driving roller (11) are rotatably connected. The conveyor belt (2) is connected to the outer side of the driven roller (10) and the driving roller (11), and the conveyor belt (2) is frictionally connected to the driven roller (10) and the driving roller (11).

4. An adjustable grain conveying device according to claim 2, characterized in that: The speed adjustment assembly includes a conveyor motor (5), an adjustment motor (6), a support shaft (12), a large gear (13), a small gear (14), a fixed sleeve (15), a lead screw (16), a threaded hole (17), an adjustment bracket (18), a spring (19), an adjustment fixing ring (20), and a transmission shaft (21). The top of the motor fixing boss (27) is provided with the conveyor motor (5) and the adjustment motor (6). The conveyor motor (5) and the adjustment motor (6) are fixedly connected to the motor fixing boss (27). The outer side of the output end of the conveyor motor (5) is provided with a fixed sleeve (15), and the inner side of the fixed sleeve (15) is provided with a support shaft (12). The outer side of the support shaft (12) is provided with a large gear (13) and a small gear (14). The conveying motor (5) is fixedly connected to the fixed sleeve (15), the fixed sleeve (15) is fixedly connected to the support shaft (12), and the support shaft (12) is fixedly connected to the large gear (13) and the small gear (14). The side of the transmission support platform (28) is provided with a fixed hole (26) and a rotating support hole (29). The inner side of the fixed hole (26) is connected to the support shaft (12). The fixed hole (26) is rotatably connected to the support shaft (12). The output end of the adjusting motor (6) is provided with a lead screw (16). The adjusting motor (6) is fixedly connected to the lead screw (16). The adjusting bracket (18) has a threaded hole (17) on its left side. The lead screw (16) is connected to the threaded hole (17) on its outer side. The lead screw (16) is threadedly connected to the adjusting bracket (18). The adjusting bracket (18) has an adjusting fixing ring (20) connected to its right inner end. The adjusting fixing ring (20) is slidably connected to the adjusting bracket (18). The adjusting fixing ring (20) has a spring (19) on its left side. The transmission support platform (28) has a spring (19) on its right side. The adjusting fixing ring (20) is fixedly connected to the spring (19), and the spring (19) is fixedly connected to the transmission support platform (28). The adjusting fixing ring (20) has a threaded hole (17) on its left side, and the spring (19) is fixedly connected to the transmission support platform (28). The adjusting fixing ring (20) has a threaded hole (17) on its outer side, and the lead screw (16) is threadedly connected to the adjusting bracket (1 ... A drive shaft (21) is provided on the side, and a large gear (13) and a small gear (14) are provided on the outer side of the drive shaft (21). The adjusting fixing ring (20) is fixedly connected to the drive shaft (21), and the drive shaft (21) is fixedly connected to the large gear (13) and the small gear (14). The drive shaft (21) is connected to the inner side of the rotating support hole (29). The drive support platform (28) is slidably connected to the drive shaft (21). The middle section of the cylinder of the adjusting bracket (18) is connected to the inner side of the sliding hole (30). The adjusting bracket (18) is slidably connected to the drive support platform (28). The large gear (13) and the small gear (14) at both ends are meshed.

5. An adjustable grain conveying device according to claim 1, characterized in that: The relaxation adjustment assembly includes an elastic element (7), a tensioning push block (8), and a support boss (23). The support boss (23) has an elastic element (7) on its right side and a tensioning push block (8) on its right side. The support boss (23) and the elastic element (7) are fixedly connected, and the elastic element (7) and the tensioning push block (8) are fixedly connected. The tensioning push block (8) is connected to a driven roller (10) on its rear side and is rotatably connected to the driven roller (10). The tensioning push block (8) is connected to a sliding keyway (9) on its rear outer side and is slidably connected to the sliding keyway (9).

6. An adjustable grain conveying device according to claim 3, characterized in that: The front side of the active roller (11) is provided with a sliding adjustment sleeve (22), and the inner side of the sliding adjustment sleeve (22) is connected to a drive shaft (21). The active roller (11) and the sliding adjustment sleeve (22) are fixedly connected, and the sliding adjustment sleeve (22) and the drive shaft (21) are slidably connected.

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