CN219448219U

CN219448219U - Screw transmission device

Info

Publication number: CN219448219U
Application number: CN202223232651.2U
Authority: CN
Inventors: 陆涛
Original assignee: Bengbu Xinyuan Electromechanical Equipment Co ltd
Current assignee: Bengbu Xinyuan Electromechanical Equipment Co ltd
Priority date: 2022-11-30
Filing date: 2022-11-30
Publication date: 2023-08-01
Anticipated expiration: 2032-11-30

Abstract

The utility model discloses a screw transmission device, which comprises a cylinder body and a screw rod, wherein a first end cover is fixedly arranged at one end of the cylinder body, a second end cover is detachably arranged at the other end of the cylinder body, a shaft hole which is coaxially arranged with the cylinder body is formed in the first end cover, one end of the screw rod is rotatably arranged on the second end cover and is axially fixed with the second end cover, and the other end of the screw rod stretches into the cylinder body and stretches out of the cylinder body after penetrating through the shaft hole in an adapting manner.

Description

Screw transmission device

Technical Field

The utility model relates to the technical field of spiral transmission, in particular to a spiral transmission device.

Background

Screw transmission is a mechanical device for realizing transmission purpose by driving a screw rod to rotate by utilizing a motor, the screw rod pushes materials to move, and Chinese patent application with publication number of CN113428587A discloses a screw conveyor, which comprises a screw shell and screw blades positioned in the screw shell, a screw tube shaft for supporting the screw blades is arranged in the screw shell, the screw blades are wrapped outside the screw tube shaft and can rotate around the screw tube shaft, a shaft sleeve is arranged at the end part of the screw tube shaft, and the screw blades are welded on the shaft sleeve and rotate along with the shaft sleeve. The spiral conveying device has the advantages that through simple structural improvement, the same spiral can be simultaneously suitable for conveying non-sticky materials and sticky materials, and the conveying efficiency is higher than that of shaftless spirals.

The inventors considered that the above utility model has the following drawbacks that the screw blade is located in the housing, so that it is inconvenient to replace or repair or maintain the screw blade, and when the screw blade is damaged, the screw blade needs to be replaced integrally, and the replacement cost is high.

Disclosure of Invention

In order to solve the prior art problems in the background art, the utility model provides a spiral transmission device.

The utility model provides a screw transmission device which comprises a cylinder body and a screw rod, wherein a first end cover is fixedly arranged at one end of the cylinder body, a second end cover is detachably arranged at the other end of the cylinder body, a shaft hole which is coaxially arranged with the cylinder body is formed in the first end cover, one end of the screw rod is rotatably arranged on the second end cover and is axially fixed with the second end cover, and the other end of the screw rod extends into the cylinder body and extends out of the cylinder body after penetrating through the shaft hole in an adapting mode.

Preferably, a circular end plate is rotationally connected to the screw, and is axially fixed to the screw, and the diameter of the end plate is equal to the inner diameter of the cylinder.

Preferably, arc-shaped guide plates are symmetrically fixed between the second end cover and the end plate, the guide plates are parallel to the axis of the cylinder, guide grooves matched with the guide plates are formed in the cylinder, and the inner wall of the guide plates and the inner wall of the cylinder are located on the same arc-shaped surface.

Preferably, the guide plate is embedded with balls, and the inner wall of the guide groove is provided with guide grooves matched with the balls.

Preferably, a feed inlet is formed in the top wall of the front end of the barrel, a discharge outlet is formed in the bottom wall of the rear end of the barrel, a plurality of filtrate holes are formed in the bottom wall of the barrel between the feed inlet and the discharge outlet, a driving mechanism is mounted on the first end cover, the output end of the driving mechanism is in driving connection with the part of the screw extending out of the shaft hole, and materials in the barrel are conveyed to the discharge outlet from the feed inlet by driving the screw to rotate.

Preferably, the driving mechanism comprises a motor and a guide sleeve, the motor is fixedly arranged on the first end cover, the guide sleeve is fixedly arranged on an output shaft of the motor, the guide sleeve is coaxially arranged with the screw rod and is slidably sleeved outside the screw rod along the length direction of the guide sleeve, a limit groove is formed in the guide sleeve along the length direction of the guide sleeve, and a limit block matched with the limit groove is arranged on the screw rod.

Preferably, the end face of one end of the screw rod connected with the second end cover is positioned on the same vertical face with the outer surface of the second end cover, a first indication line is arranged on the end face of the screw rod, a second indication line is arranged on the outer surface of the second end cover, and the limiting block and the limiting groove are positioned on the same plane.

Preferably, a liquid storage tank is arranged below the cylinder and at a position corresponding to the filtrate hole, and a liquid storage tank is arranged below the cylinder and at a position corresponding to the discharge hole.

Preferably, the second end cover is fixedly connected with the cylinder body through a fastening bolt.

According to the screw transmission device, the screw is detachably arranged in the cylinder, so that the screw can be conveniently taken out from the cylinder for maintenance or replacement, the guide plate and the guide groove are arranged to enable the screw to have supporting force when the screw enters and exits the cylinder, the screw is prevented from being worn due to the fact that one end of the screw, which is positioned in the cylinder, is tightly abutted to the cylinder due to the action of gravity, the screw can be better protected, and the friction force between the guide plate and the guide groove is reduced by the balls.

Drawings

FIG. 1 is a front cross-sectional view of the overall structure of the present utility model;

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;

FIG. 3 is a first perspective view of a screw;

FIG. 4 is a cross-sectional view of the side structure of the barrel with the screw inside the barrel;

fig. 5 is a second perspective view of the screw.

Detailed Description

Referring to fig. 1-2, the screw transmission device provided by the utility model comprises a cylinder body 1 and a screw rod 2, wherein a first end cover 3 is fixedly arranged at one end of the cylinder body 1, a second end cover 4 is detachably arranged at the other end of the cylinder body 1, a shaft hole 5 which is coaxially arranged with the cylinder body 1 is formed in the first end cover 3, one end of the screw rod 2 is rotatably arranged on the second end cover 4 and is axially fixed with the second end cover 4, and the other end of the screw rod 2 extends into the cylinder body 1 and extends out of the cylinder body 1 after passing through the shaft hole 5 in an adapting manner.

The second end cover 4 is fixedly connected with the cylinder body 1 through a fastening bolt 17.

In this embodiment, when the screw 2 needs to be repaired or replaced, the process of removing the screw 2 from the barrel 1 is specifically that the second end cap 4 is removed from the barrel 1, and then the screw 2 is pulled out from the barrel 1 along the length direction of the barrel 1, so that the screw 2 can be separated from the barrel 1 for maintenance or replacement.

Referring to fig. 3, in order to avoid the problem that when the screw 2 is detached, the screw 2 is located at one end and loses the support of the shaft hole 5 and is tightly attached to the inner wall of the cylinder 1, so that the screw 2 is worn, a circular end plate 6 is rotatably connected to the screw 2, the end plate 6 is axially fixed to the screw 2, the diameter of the end plate 6 is equal to the inner diameter of the cylinder 1, and when the screw 2 is pulled out from the cylinder 1, the circular end plate 6 supports the screw 2, so that the screw 2 can be better protected.

Referring to fig. 3 and 4, in a further embodiment, an arc-shaped guide plate 7 is symmetrically fixed between the second end cover 4 and the end plate 6, the guide plate 7 is parallel to the axis of the barrel 1, a guide groove 8 adapted to the guide plate 7 is formed in the barrel 1, and in order not to affect the rotation of the screw 2 in the barrel 1, the inner wall of the guide plate 7 and the inner wall of the barrel 1 are located on the same arc-shaped surface.

In the present embodiment, the guide plate 7 and the guide groove 8 are arranged along the drawing-out direction of the screw 2 to provide support for the screw 2 again, while the guide plate 7 can also play a protective role for the screw 2 when the screw 2 is transported alone.

In order to reduce the friction force of the screw rod 2 when moving in the cylinder body 1, the guide plate 7 is embedded with the ball 9, and the inner wall of the guide groove 8 is provided with a guide groove matched with the ball 9.

The utility model can be used for dry-wet separation of materials, a feed inlet 10 is formed in the top wall of the front end of the cylinder body 1, a discharge outlet 11 is formed in the bottom wall of the rear end of the cylinder body 1, a plurality of filtrate holes 12 are formed in the bottom wall of the cylinder body 1 between the feed inlet 10 and the discharge outlet 11, a driving mechanism is mounted on the first end cover 3, and the output end of the driving mechanism is in driving connection with the part of the screw rod 2 extending out of the shaft hole 5 so as to drive the screw rod 2 to rotate and convey the materials in the cylinder body 1 from the feed inlet 10 to the discharge outlet 11.

The specific process of dry-wet separation is as follows: the material is fed into the cylinder 1 from the feed inlet 10, the driving mechanism drives the screw rod 2 to rotate, the liquid part in the material flows out of the cylinder 1 through the filtrate hole 12, and the remained solid material is pushed to the feed inlet 10 by the screw rod 2 to be fed out.

A liquid storage tank 15 is arranged below the cylinder body 1 and at a position corresponding to the filtrate hole 12, and a liquid storage tank 16 is arranged below the cylinder body 1 and at a position corresponding to the discharge hole 11.

Wherein the tank 15 is used for storing liquid flowing out through the filtrate holes 12, and the tank 16 is used for storing solid material sent out through the discharge opening 11.

Referring to fig. 2, in a specific embodiment, the driving mechanism includes a motor 13 and a guide sleeve 14, the motor 13 is fixedly mounted on the first end cover 3, the guide sleeve 14 is fixedly mounted on an output shaft of the motor 13, the guide sleeve 14 is coaxially arranged with the screw 2 and is slidably sleeved outside the screw 2 along the length direction of the guide sleeve, a limit groove is formed in the guide sleeve 14 along the length direction of the guide sleeve, and a limit block matched with the limit groove is arranged on the screw 2.

After the screw rod 2 enters the barrel 1, the axis of the screw rod 2 and the axis of the output shaft of the motor 13 are positioned on the same horizontal line, when the end plate 6 is attached to the first end cover 3, the part of the screw rod 2 penetrating out through the shaft hole 5 enters the guide sleeve 14, and the limiting block is horizontally and slidably sleeved with the limiting groove, so that the motor 13 can drive the screw rod 2 to rotate.

Referring to fig. 5, when the screw rod 2 is installed, in order to better position the limiting block and the limiting groove, the limiting block can horizontally enter the limiting groove, an end face of one end, connected with the second end cover 4, of the screw rod 2 is located on the same vertical face with the outer surface of the second end cover 4, a first indication line is arranged on the end face of the screw rod 2, a second indication line is arranged on the outer surface of the second end cover 4, and the limiting block and the limiting groove are located on the same plane.

The present utility model is not limited to the above-mentioned embodiments, and any person skilled in the art, based on the technical solution of the present utility model and the inventive concept thereof, can be replaced or changed within the scope of the present utility model.

Claims

1. The utility model provides a screw transmission device, a serial communication port, including barrel (1), screw rod (2), barrel (1) one end fixed mounting has first end cover (3), barrel (1) other end detachable installs second end cover (4), set up on first end cover (3) with barrel (1) coaxial arrangement's shaft hole (5), screw rod (2) one end rotate install on second end cover (4) and with second end cover (4) axial fixity, the screw rod (2) other end stretches into in barrel (1) and stretches out outside barrel (1) after the adaptation passes shaft hole (5).

2. Screw conveyor according to claim 1, characterized in that a circular end plate (6) is rotatably connected to the screw (2), and that the end plate (6) is axially fixed to the screw (2), the diameter of the end plate (6) being equal to the inner diameter of the cylinder (1).

3. The spiral conveying appliance of claim 2, wherein an arc-shaped guide plate (7) is symmetrically fixed between the second end cover (4) and the end plate (6), the guide plate (7) is parallel to the axis of the cylinder (1), a guide groove (8) matched with the guide plate (7) is formed in the cylinder (1), and the inner wall of the guide plate (7) and the inner wall of the cylinder (1) are located on the same arc-shaped surface.

4. A screw conveyor according to claim 3, characterized in that the guide plate (7) is embedded with balls (9), and that the inner wall of the guide groove (8) is provided with guide grooves adapted to the balls (9).

5. The spiral conveying appliance of claim 1, wherein a feed inlet (10) is formed in the top wall of the front end of the cylinder (1), a discharge outlet (11) is formed in the bottom wall of the rear end, a plurality of filtrate holes (12) are formed in the bottom wall of the cylinder (1) between the feed inlet (10) and the discharge outlet (11), a driving mechanism is mounted on the first end cover (3), and the output end of the driving mechanism is in driving connection with a part of the screw (2) extending out of the shaft hole (5) so as to drive the screw (2) to rotate to convey materials in the cylinder (1) from the feed inlet (10) to the discharge outlet (11).

6. The screw transmission device according to claim 5, wherein the driving mechanism comprises a motor (13) and a guide sleeve (14), the motor (13) is fixedly arranged on the first end cover (3), the guide sleeve (14) is fixedly arranged on an output shaft of the motor (13), the guide sleeve (14) is coaxially arranged with the screw (2) and is slidably sleeved on the outer side of the screw (2) along the length direction of the guide sleeve, a limit groove is formed in the guide sleeve (14) along the length direction of the guide sleeve, and a limit block matched with the limit groove is arranged on the screw (2).

7. The screw transmission device according to claim 6, wherein an end face of the screw (2) connected with the second end cover (4) is on the same vertical face as the outer surface of the second end cover (4), a first indication line is arranged on the end face of the screw (2), a second indication line is arranged on the outer surface of the second end cover (4), and the limiting block and the limiting groove are on the same plane as the first indication line and the second indication line.

8. Screw conveyor according to any of claims 1-7, characterized in that a reservoir (15) is provided below the drum (1) in a position corresponding to the filtrate aperture (12), and a reservoir (16) is provided below the drum (1) in a position corresponding to the discharge opening (11).

9. Screw conveyor according to claim 1, characterized in that the second end cap (4) is fixedly connected to the cylinder (1) by means of fastening bolts (17).