Screw driving device

Abstract

The utility model relates to a screw rod driving device in the technical field of driving devices, a rod body of a first screw rod is in threaded connection with a supporting assembly used for driving a drying machine to move up and down, and the bottom end of the first screw rod is provided with a first bevel gear used for driving a cleaning device to clean the top end of a base. The sweeping device comprises a driving assembly arranged in a base body of the base and used for rotating, and a sweeping assembly used for sweeping the top end of the base is connected to a rod body of the driving assembly in a threaded mode. A first screw rod is driven by a motor to rotate, a first moving block can move up and down along a rod body of the first screw rod, and therefore the drying machine can be adjusted up and down, and the drying machine can be adjusted under meshing connection of a first bevel gear and a second bevel gear. And the two cleaning assemblies are driven to oppositely move along two sections of threads with opposite thread screwing directions on the rod body of the second screw rod, and comburent accumulated on the base is discharged through a slag discharging opening and the front side and the rear side of the base.

Description

Technical Field

[0001] The utility model relates to the technical field of drive devices, in particular to a screw drive device. Background Art

[0002] A dryer is a mechanical device that uses heat energy to reduce the moisture content of materials. It is used to dry objects. In order to meet the needs of operators of different heights to add fuel to the dryer, the height of the dryer is controlled by a screw drive device. However, the existing screw drive device can only raise the height of the dryer when in use. The structure is simple and the screw drive device cannot be effectively used.

[0003] For example, the Chinese patent application number CN202222036016.0 is a height-adjustable dryer, which includes: a base, which is arranged below the dryer; a support frame, which is vertically arranged on the base; a screw, which is threadedly connected to the support frame; and a chassis, in which a driving device is arranged, the first end of the screw is arranged in the chassis, and the driving device is used to drive the screw to rotate. It has the following technical defects:

[0004] When the height of the dryer is adjusted according to the height of different users, the connection between the screw, the threaded groove and the support frame is used to control the lifting of the dryer. When adding combustibles to the dryer, some of the combustibles will fall on the base. Due to the lack of a cleaning mechanism on the base, the combustibles will easily accumulate on the base when the dryer is used for a long time, thereby affecting the use of the dryer. Utility Model Content

[0005] In order to solve the problem proposed in the above background technology that when adjusting the height of the dryer according to the height of different users, the connection between the screw, the thread groove and the support frame is used to control the lifting of the dryer, and when adding combustibles to the dryer, some of the combustibles will fall on the base. Due to the lack of a cleaning mechanism on the base, it is easy to cause the combustibles to accumulate on the base when the dryer is used for a long time, thereby affecting the use of the dryer, the utility model provides the following technical solutions:

[0006] A screw drive device comprises a dryer and a base, wherein a support column is fixedly mounted on the top of the base, a screw drive device for driving the dryer to move up and down is arranged in the column cavity of the support column, and a cleaning device for cleaning the combustibles dropped from the dryer is arranged on the top of the base.

[0007] The screw driving device includes a screw rod 1 which is arranged in the column cavity of the support column for rotation, a support assembly for driving the dryer to move up and down is threadedly connected to the rod body of the screw rod 1, a bevel gear 1 for driving a cleaning device to clean the top of the base is arranged at the bottom end of the screw rod 1, a guide rod for guiding the support assembly is arranged on the left side of the screw rod 1, and a motor for driving the screw rod 1 to rotate is fixedly installed at the top end of the screw rod 1.

[0008] The cleaning device comprises a driving assembly arranged in a seat body of the base for rotation, a cleaning assembly for cleaning the top of the base is threadedly connected to a rod body of the driving assembly, and there are two cleaning assemblies.

[0009] Furthermore, the drive assembly includes a screw rod 2 arranged in the base body for rotation, and the rod body of the screw rod 2 has two sections of threads with opposite rotation directions, and the middle part of the rod body of the screw rod 2 is provided with a bevel gear 2 for meshing and connecting with the bevel gear 1.

[0010] Furthermore, the cleaning assembly includes a movable plate threadedly connected to the second screw rod, and a cleaning plate for cleaning the top of the base is fixedly mounted on the top of the movable plate.

[0011] Furthermore, the support assembly includes a moving block 1 threadedly connected to a screw rod 1, a support plate for fixedly supporting the dryer is fixedly installed on the right end of the moving block 1, and a moving block 2 for sliding on the guide rod is fixedly installed on the right end of the support plate.

[0012] Furthermore, a slag discharge port for discharging the combustion products cleaned by the cleaning plate is provided at the middle of the top end of the base, and a slide groove for guiding the cleaning plate is provided on the right side of the slag discharge port.

[0013] Furthermore, an inclined baffle is fixedly installed on the top of the base for blocking the combustible materials dropped from the dryer, and there are four inclined baffles.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] By arranging a screw driving device and a cleaning device, when the operator adjusts the height of the dryer, the motor can be used to drive the screw rod 1 to rotate, which can not only make the moving block 1 move up and down along the rod body of the screw rod 1 and drive the support plate to be adjusted up and down, but the moving block 2 can slide along the rod body of the guide rod, so as to realize the up and down adjustment of the dryer, and the screw rod 2 can be made to rotate synchronously with the screw rod 1 under the meshing connection of the bevel gear 1 and the bevel gear 2, so as to drive the two cleaning components to move in opposite directions along the two sections of the thread on the rod body of the screw rod 2, so that the combustion products accumulated on the base can be discharged through the slag discharge port and the front and rear sides of the base, thereby solving the problem that the combustion products are accumulated on the base for a long time and affect the height adjustment of the dryer. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 This is a diagram of the screw drive device of the utility model;

[0018] Figure 3 This is a schematic diagram of the structure of the support assembly of the utility model;

[0019] Figure 4 This is a cross-sectional view of the base of the utility model;

[0020] Figure 5 It is a schematic diagram of the structure of the cleaning device of the utility model.

[0021] In the accompanying drawings, the names of the components represented by the reference numerals are listed as follows:

[0022] 100-dryer, 001-slanted baffle;

[0023] 200-support column;

[0024] 300-base, 301-slag discharge port, 302-chute;

[0025] 400-screw driving device, 410-motor, 420-screw 1, 430-support assembly, 431-moving block 1, 432-support plate, 432-moving block 2, 440-guide rod, 450-bevel gear 1;

[0026] 500-cleaning device, 510-driving assembly, 511-bevel gear 2, 512-screw rod 2, 520-cleaning assembly, 521-moving plate, 522-cleaning plate. DETAILED DESCRIPTION

[0027] The preferred specific implementation methods for implementing the present utility model are described in detail below, and a clear and complete description is made in conjunction with the accompanying drawings.

[0028] See also Figure 1-Figure 5 , the utility model provides a screw driving device.

[0029] A dryer is a mechanical device that uses heat energy to reduce the moisture content of materials. It is used to dry objects. In order to meet the needs of operators of different heights to add fuel to the dryer, the height of the dryer is controlled by a screw drive device. However, the existing screw drive device can only raise the height of the dryer when in use. It has a single structure and cannot effectively utilize the screw drive device. Therefore, it is necessary to improve it, which includes a dryer 100 and a base 300. A support column 200 is fixedly installed on the top of the base 300, and there are two support columns 200. The two support columns 200 are symmetrically welded to the base 300. A screw drive device 400 for driving the dryer 100 to move up and down is arranged in the column cavity of the support column 200. A cleaning device 500 for cleaning the burning materials dropped from the dryer 100 is arranged on the top of the base 300.

[0030] The top of the base 300 is fixedly provided with an inclined baffle 001 for blocking the combustion materials dropped from the dryer 100, and there are four inclined baffles 001, which are welded in a circular array at the front and rear ends of the two support columns 200, thereby preventing the combustion materials from falling onto the screw 2 512 and affecting the rotation of the screw 2 512; a slag discharge port 301 is provided in the middle of the top of the base 300 for discharging the combustion materials cleaned by the cleaning plate 522, so that when the cleaning plate 522 moves forward and backward, the combustion materials on the base 300 are discharged from the slag discharge port 301, thereby reducing the accumulation of the combustion materials on the base 300; a slide groove 302 for guiding the cleaning plate 522 is provided on the right side of the slag discharge port 301, and the bottom end of the cleaning plate 522 slides in the slide groove 320, thereby keeping the cleaning plate 522 moving forward and backward all the time;

[0031] The screw drive device 400 includes a screw 420 arranged in the column cavity of the support column 200 for rotation, and the connection between the screw 420 and the inner wall of the cavity of the left support column 200 is inlaid with a bearing to facilitate the rotation of the screw 420; the rod body of the screw 420 is threaded with a support assembly 430 for driving the dryer 100 to move up and down, so that the rotation of the screw 420 can drive the dryer 100 on the support assembly 430 to move up and down, so as to meet the corresponding adjustment for users of different heights; the bottom end of the screw 420 is provided with a support assembly for driving the cleaning device 500 to move the base The bevel gear 1 450 for cleaning the top of the screw 300, so that when the screw 1 420 rotates, the bevel gear 1 450 and the bevel gear 2 511 can be meshed and connected to make the cleaning device 500 clean the combustion materials remaining on the base 300, the left side of the screw 1 420 is provided with a guide rod 440 for guiding the support assembly 430, and the guide rod 440 is arranged in the cavity of the right support column 200, and the top of the screw 1 420 is fixedly installed with a motor 410 for driving the screw 1 420 to rotate, and the shaft end of the output shaft of the motor 410 is connected to the top of the screw 1 420 through a coupling;

[0032] The support assembly 430 includes a moving block 431 that is threadedly connected to the screw 420, and a support plate 432 for fixedly supporting the dryer 100 is fixedly installed at the right end of the moving block 431, and a moving block 433 for sliding on the guide rod 440 is fixedly installed at the right end of the support plate 432; therefore, when the operator adjusts the height of the dryer 100, the motor 410 can drive the screw 420 to rotate, so that the moving block 431 can move up and down along the rod body of the screw 420, and drive the support plate 432 to adjust up and down, and the moving block 433 can slide along the rod body of the guide rod 440, so that the dryer 100 can be adjusted up and down;

[0033] The cleaning device 500 includes a driving assembly 510 disposed in the base body of the base 300 for rotation, and a cleaning assembly 520 for cleaning the top of the base 300 is threadedly connected to the rod body of the driving assembly 510, and there are two cleaning assemblies 520. The two cleaning assemblies 520 make opposite movements under the drive of the driving assembly 510, so as to clean the combustion materials accumulated on the top of the base 300;

[0034] The driving assembly 510 includes a screw rod 512 disposed in the seat body of the base 300 for rotation, and the front and rear ends of the screw rod 512 are connected to the inner wall of the seat cavity of the base 300 through bearings to rotate with the screw rod 512, and the rod body of the screw rod 512 has two sections of threads with opposite rotation directions, and the two cleaning assemblies 520 move forward and backward at the two sections of threads of the screw rod 512 with opposite rotation directions; a bevel gear 511 for meshing with the bevel gear 450 is disposed in the middle of the rod body of the screw rod 512; so that when the operator drives the motor 410 to drive the screw rod 420 to rotate, and under the meshing connection between the bevel gear 450 and the bevel gear 511, the screw rod 512 is synchronously rotated with the screw rod 420;

[0035] The cleaning assembly 520 includes a moving plate 521 that is threadedly connected to the screw rod 512. A cleaning plate 522 for cleaning the top of the base 300 is fixedly installed on the top of the moving plate 521. When the operator adjusts the height of the dryer 100, the motor 410 can drive the screw rod 420 to rotate, which can not only make the moving block 431 move up and down along the rod body of the screw rod 420, but also drive the support plate 432 to adjust up and down, and the moving block 433 can slide along the rod body of the guide rod 440, so that The dryer 100 can be adjusted up and down, and the screw rod 512 can be made to rotate synchronously with the screw rod 420 under the meshing connection between the bevel gear 1 450 and the bevel gear 2 511, so that the two cleaning components 520 can be driven to rotate in opposite directions along the two sections of the thread on the rod body of the screw rod 512, so that the combustion products accumulated on the base 300 can be discharged through the slag discharge port 301 and the front and rear sides of the base 300, thereby preventing the combustion products from accumulating on the base 300 for a long time and affecting the height adjustment of the dryer 100.

[0036] Based on the above content and the accompanying drawings, those skilled in the art can understand and implement the utility model. In addition, any non-creative modifications made to the utility model by those skilled in the art without making creative work still fall within the scope of protection of the utility model.

Claims

1. A screw drive device, comprising a dryer (100) and a base (300), characterized in that: A support column (200) is fixedly mounted on the top of the base (300), a screw driving device (400) for driving the dryer (100) to move up and down is arranged in the column cavity of the support column (200), and a cleaning device (500) for cleaning the combustion materials dropped from the dryer (100) is arranged on the top of the base (300); The screw driving device (400) comprises a screw rod (420) arranged in a column cavity of a support column (200) for rotation, a support assembly (430) for driving the dryer (100) to move up and down is threadedly connected to the rod body of the screw rod (420), a bevel gear (450) for driving a cleaning device (500) to clean the top of the base (300) is arranged at the bottom end of the screw rod (420), a guide rod (440) for guiding the support assembly (430) is arranged on the left side of the screw rod (420), and a motor (410) for driving the screw rod (420) to rotate is fixedly mounted at the top end of the screw rod (420); The cleaning device (500) comprises a driving assembly (510) arranged in a base body of the base (300) for rotation, a cleaning assembly (520) for cleaning the top of the base (300) being threadedly connected to a rod body of the driving assembly (510), and two cleaning assemblies (520) are provided.

2. A screw drive device according to claim 1, characterized in that: The driving assembly (510) comprises a second screw rod (512) arranged in a seat body of the base (300) for rotation, and the rod body of the second screw rod (512) has two sections of threads with opposite rotation directions, and the middle part of the rod body of the second screw rod (512) is provided with a second bevel gear (511) for meshing with the first bevel gear (450).

3. A screw drive device according to claim 2, characterized in that: The cleaning assembly (520) comprises a movable plate (521) threadedly connected to the second screw rod (512), and a cleaning plate (522) for cleaning the top of the base (300) is fixedly mounted on the top of the movable plate (521).

4. A screw drive device according to claim 1, characterized in that: The support assembly (430) comprises a moving block (431) threadedly connected to the screw rod (420), a support plate (432) for fixedly supporting the dryer (100) being fixedly installed at the right end of the moving block (431), and a moving block (433) for sliding on the guide rod (440) being fixedly installed at the right end of the support plate (432).

5. A screw drive device according to claim 3, characterized in that: A slag discharge port (301) for discharging combustion materials cleaned by the cleaning plate (522) is provided at the middle of the top end of the base (300), and a slide groove (302) for guiding the cleaning plate (522) is provided on the right side of the slag discharge port (301).

6. A screw drive device according to claim 1, characterized in that: An inclined baffle (001) for blocking the combustibles dropped from the dryer (100) is fixedly mounted on the top of the base (300), and there are four inclined baffles (001).

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