CN114148687A

CN114148687A - Transmission assembly

Info

Publication number: CN114148687A
Application number: CN202110718524.4A
Authority: CN
Inventors: 甄帅; 袁永林; 刘宏伟
Original assignee: Damon Technology Group Corp Ltd
Current assignee: Damon Technology Group Corp Ltd
Priority date: 2021-06-28
Filing date: 2021-06-28
Publication date: 2022-03-08

Abstract

The invention provides a transmission assembly, comprising: the driving part comprises a motor and a motor bracket; the motor is arranged on the motor bracket, and the motor bracket is arranged on the bottom plate; the driving part drives the first transmission part; the first transmission part comprises a driving chain wheel and a driven chain wheel; the motor is sleeved with a driving chain wheel, and the driving chain is connected to the driven chain wheel through chain transmission; the driven chain wheel is rotationally connected with the rotating shaft bracket, and the rotating shaft bracket is fixed on a first bracket arranged on the bottom plate; the second transmission part comprises a driving belt wheel and a driven belt wheel; the driving belt wheel and the driven chain wheel are axially and integrally formed into a chain belt wheel; the driving belt wheel is connected to the driven belt wheel through a transmission belt; the driven belt wheel is rotationally connected with the rotating shaft bracket, and the rotating shaft bracket is fixed on a second bracket arranged on the bottom plate; the second support is parallel to the first support. The first transmission part is driven by the driving part to carry out chain transmission, and the second transmission part is driven by the first transmission part to carry out belt transmission; the conveying is carried out through belt transmission, and the width of rollers is reduced.

Description

Transmission assembly

Technical Field

The invention relates to the technical field of transmission devices, in particular to the technical field of transmission final assemblies.

Background

The transmission mechanism of the original conveyor consists of a roller and a belt, and the belt is driven to rotate by the rotation of the roller; as shown in patent document CN208182015U, the width of the transmission mechanism is easily increased due to the arrangement of the transmission roller; it is therefore desirable to reduce the width between the drive mechanisms in order to be able to place more conveyors in the same amount of space.

In addition, the existing driving pulley and driven sprocket are connected through a rotating shaft, and the width of the transmission mechanism is increased due to the length of the rotating shaft, so the driving pulley and the driven sprocket need to be redesigned; in addition, the position is fixed between current drive sprocket and the driven sprocket, and the difficult elasticity of adjusting the chain easily leads to the chain to become invalid.

Disclosure of Invention

In view of the above-mentioned drawbacks of the prior art, an object of the present invention is to provide a transmission assembly for solving the problem of the prior art that the transmission assembly is too bulky.

To achieve the above and other related objects, the present invention provides a transmission assembly, comprising:

a driving part including a motor and a motor bracket; the motor is arranged on the motor bracket, and the motor bracket is arranged on the bottom plate;

a first transmission unit that is driven by the drive unit; the first transmission part comprises a driving chain wheel and a driven chain wheel; the output end of the motor is connected with the driving chain wheel, and the driving chain wheel is connected with the driven chain wheel through chain transmission; the driven chain wheel is rotatably arranged on a first rotating shaft support, the first rotating shaft support is arranged on a first support, and the first support is arranged on the bottom plate;

a second transmission part including a driving pulley and a driven pulley; the driving belt wheel and the driven chain wheel are a chain belt wheel of an integrated structure; the driving belt wheel is connected to the driven belt wheel through a transmission belt; the driven belt wheel is rotatably arranged on a second rotating shaft support, the second rotating shaft support is arranged on a second support, and the second support is arranged on the bottom plate; the second support is parallel to the first support.

Preferably, said first bracket (23) and said second bracket (43) each comprise two vertical moving feet (231) and a fixed panel (232); two ends of the fixed panel (232) are respectively connected with one vertical moving supporting leg (231).

Preferably, the vertically moving leg (231) includes an L-shaped piece (231a) and an adjusting piece (231 b); the horizontal panel of the L-shaped piece (231a) is attached to the bottom plate (121); a vertical panel of the L-shaped piece (231a) is provided with a limiting hole (231 c); the vertical panel of the adjusting piece (231b) is fixed to the limiting hole (231c) through a bolt.

Preferably, the upper end and the lower end of the vertical panel are respectively provided with an upper mounting plate (2311) and a lower mounting plate (2312); the upper mounting plate (2311) is bolted to the lower part of the fixing panel (232), and the lower mounting plate (2312) is abutted to the bottom plate (121) through bolts.

Preferably, the transmission belt (411) comprises two V-belts (412); the driving pulley (41) is in transmission connection with the driven pulley (42) through two V-shaped belts (412).

Preferably, a plurality of auxiliary pulley assemblies (233) are further arranged on the first bracket (23) and/or the second bracket (43), and the auxiliary pulley assemblies (233) are used for supporting the transmission belt (411).

Preferably, the motor bracket (12) comprises two fixing plates (122) and a base (123) which are arranged on the bottom plate (121); the base (123) is located between the two fixing plates (122), and two sides of the base (123) are connected with the fixing plates (122) through adjusting bolts respectively and used for adjusting the position of the motor support.

Preferably, the first rotating shaft bracket (30a) or the second rotating shaft bracket (30b) includes a shaft fixing seat (31) and a fixing block (32); the shaft fixing seat (31) is provided with a mounting shaft for connecting the chain belt wheel or the driven belt wheel (42), and one side of the shaft fixing seat (31) is connected to the fixing block (32).

Preferably, the driving pulley (41) and the driven sprocket (22) are integrally cut or cast or welded.

A centering roller machine, characterized in that the drive of the centering roller machine is a drive assembly according to claims 1 to 9.

As mentioned above, the transmission assembly of the invention has the following beneficial effects:

in summary, the driving portion drives the first transmission portion to perform chain transmission, and then the first transmission portion drives the second transmission portion to perform belt transmission; the conveying is carried out through belt transmission, so that the width of rollers is reduced; in addition, the positions of the driving belt wheel, the driven belt wheel, the driving chain wheel and the driven chain can be adjusted through the arranged rotating shaft support, so that the tightness of the conveying belt or the chain is adjusted; in addition, the invention can vertically move the height of the support legs relative to the first support and the second support.

Drawings

FIG. 1 is a perspective view of an angle of a drive assembly of the present invention;

FIG. 2 is a perspective view of another angle of a drive assembly of the present invention;

FIG. 3 is a front view of a first carrier and a first drive portion of a drive assembly of the present invention;

FIG. 4 is a perspective view of a drive portion and a first drive portion of a drive assembly of the present invention;

FIG. 5 is a perspective view of two vertically movable supports and a drive portion of a drive assembly of the present invention;

FIG. 6 is an enlarged view of A of FIG. 5;

FIG. 7 is an enlarged view of B of FIG. 5;

FIG. 8 is a perspective view of a first drive portion and a drive portion of a drive assembly of the present invention;

FIG. 9 is a perspective view of a first drive portion of a drive assembly of the present invention;

FIG. 10 is a perspective view of the auxiliary pulley assembly of the first drive section of a drive assembly of the present invention;

fig. 11 shows a perspective view of a sprocket of a drive assembly of the present invention.

Description of the element reference numerals

1 drive part

11 electric machine

12 electric motor support

121 bottom plate

122 fixed plate

123 base

123a limiting hole

124 adjusting bolt

2 first transmission part

21 driving sprocket

211 chain

22 driven sprocket

23 first support

231 vertical movement foot

2311 mounting plate

2312 lower mounting plate

231a L type part

231b adjusting piece

231c limiting hole

232 fixed panel

233 auxiliary pulley assembly

233a rotary wheel

233b fixing piece

30a first rotating shaft support

30b second rotating shaft support

31 axle fixing seat

311 bolt

32 fixed block

4 second transmission part

41 driving pulley

411 drive belt

412V belt

42 driven pulley

43 second support

Detailed Description

The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure.

Please refer to fig. 1 to 10. It should be understood that the structures, ratios, sizes, and the like shown in the drawings are only used for matching the disclosure of the present disclosure, and are not used for limiting the conditions that the present disclosure can be implemented, so that the present disclosure is not limited to the technical essence, and any structural modifications, ratio changes, or size adjustments should still fall within the scope of the present disclosure without affecting the efficacy and the achievable purpose of the present disclosure. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.

As shown in FIG. 1, the present invention provides a drive assembly comprising:

the driving part 1, the driving part 1 includes the motor 11 and motor support 12; the motor 11 is arranged on the motor support 12, and the motor support 12 is arranged on the bottom plate 121.

A first transmission unit 2, wherein the driving unit 1 drives the first transmission unit 2; the first transmission part 2 includes a driving sprocket 21 and a driven sprocket 22; the output end of the motor 11 is connected with a driving chain wheel 21, and the driving chain wheel 21 is connected with a driven chain wheel 22 through a chain 211 in a transmission way; the driven sprocket 22 is rotatably attached to a first pivot bracket 30a, the first pivot bracket 30a is provided on the first bracket 23, and the first bracket 23 is provided on the base plate 121. A second transmission part 4, the second transmission part 4 including a driving pulley 41 and a driven pulley 42; the driving pulley 41 and the driven sprocket 22 are axially integrally formed as a chain pulley; the driving pulley 41 is in transmission connection with the driven pulley 42 through a transmission belt 411; the driven pulley 42 is rotatably mounted on the second rotating shaft support 30b, the second rotating shaft support 30b is arranged on the second support 43, and the second support 43 is arranged on the bottom plate 121; the second bracket 43 is parallel to the first bracket 23.

The invention drives the first transmission part 2 to carry out chain transmission through the driving part 1, and then drives the second transmission part 4 to carry out belt transmission through the first transmission part 2; the driven chain wheel 22 of the first transmission part 2 and the driving belt wheel 41 of the second transmission part 4 are integrally formed, so that unnecessary connection of the second transmission part 4 between the first transmission parts 2 is reduced, and the width of the whole transmission assembly is reduced; and the first bracket 23 and the second bracket 43 are made parallel, so that the width of the whole transmission assembly is consistent.

To support the second transmission part 4 and the driven sprocket 22; the driven sprocket 22 is supported by the first bracket 23, and the second transmission part 4 is supported by the second bracket 43; the first bracket 23 and the second bracket 43 each include two vertically moving legs 231 and a fixed panel 232; two ends of the fixed panel 232 are respectively connected with a vertical moving support leg 231, and the fixed panel 232 is effectively supported by the vertical moving support legs 231 arranged at the two ends and leaves the bottom plate 121; so that both the chain drive fixed to the first bracket 23 and the second transmission 4 fixed to the second bracket 43 are at a distance from the bottom plate 121.

In order to be able to make certain adjustments to the height of the first bracket 23 and the second bracket 43; specifically, as shown in fig. 6, the vertical moving leg 231 includes an L-shaped piece 231a and an adjusting piece 231 b; the horizontal panel of the L-shaped member 231a abuts the bottom plate 121; a vertical panel of the L-shaped member 231a is provided with a long limiting hole 231 c; the vertical panel of the adjusting member 231b is fixed to the limiting hole 231c by a bolt, and specifically, the adjusting member 231b is provided with a bolt hole through which a bolt penetrates, and the bolt penetrates through the limiting hole 231c, so that the adjusting member 231b can be effectively fixed to the L-shaped member 231 a; because the limiting hole 231c is long-strip-shaped, the bolt can be adjusted up and down in the limiting hole 231 c; thus, when the adjusting member 231b needs to be adjusted upward, only the position of the bolt needs to be adjusted upward, so that the connected adjusting member 231b is finely adjusted to move upward.

In order to better fix the adjusting member 231b to the fixing panel 232, as shown in fig. 6, an upper mounting plate 2311 is provided on the vertical panel of the adjusting member 231b, so that the lower end surfaces of the upper mounting plate 2311 and the fixing panel 232 are attached to each other; and penetrates the upper mounting plate 2311 and the fixing panel 232 by bolts, so that the upper mounting plate 2311 and the fixing panel 232 are fixed.

In order to allow the adjusting member 231b to be smoothly disposed on the base plate 121; specifically, as shown in fig. 6 and 7, by providing the lower mounting plate 2312 below the vertical panel 23 of the adjuster 231b, the lower mounting plate 2312 may be provided with a bolt, the lower end of which may abut against the bottom plate 121, thereby serving to support the lower mounting plate 2312 as well as to support the adjuster 231 b.

To stabilize the belt drive of the driving pulley 41 and the driven pulley 42; power can be transmitted by providing a V-belt; specifically, as shown in fig. 2, the transmission belt 411 includes two V-belts 412; the driving pulley 41 is drivingly connected to the driven pulley 42 via two V belts 412. In order to engage the V-belt 412, the driving pulley 41 and the driven pulley 42 are provided with corresponding V-grooves, thereby increasing the contact surface between the V-belt 412 and the pulleys.

In order to prevent the belt 411 from being loosened and the dragging of the belt 411 caused by the excessively long distance between the driving pulley 41 and the driven pulley 42, an auxiliary pulley assembly 233 is provided for supporting the belt 411; specifically, as shown in fig. 9 or 10, the auxiliary pulley assembly 233 includes a plurality of rotating wheels 233a and an elongated fixing member 233 b; the fixing member 233b is provided to the first bracket 23 or the second bracket 43, and each fixing member 233b is provided with a plurality of runners 233a along a length direction thereof; so that each runner 233a is positioned in the driving belt 411 and can be pressed against the driving belt 411 to prevent the driving belt 411 from being dragged and loosened, thereby improving the efficiency and reliability of the driving.

In order to enable the motor bracket 12 to be displaced on the base plate 121 in the chain drive direction, so that the tensioning of the chain drive is adjusted; the motor bracket 12 includes two fixing plates 122 and a base 123; the two fixing plates 122 are fixed to the bottom plate 121, and the base 123 is located between the two fixing plates 122; two sides of the base 123 are respectively connected with the fixing plate 122 through an adjusting bolt 124; as shown in fig. 8, connecting plates for fixing are disposed on two sides of the base 123, each connecting plate is provided with a plurality of limiting holes 123a, and bolts are disposed in the limiting holes 123a to fix the connecting plates to the bottom plate 121; because the limiting hole 123a is long-strip-shaped, and the length thereof is extended along the length direction of the first bracket 23; the position of the motor bracket 12 is moved in the direction of the first bracket 23 by adjusting the adjusting bolt 124, so that fine adjustment of the position of the motor 11 is completed. Specifically, the bolt of the limit hole 123a is loosened, the user rotates the adjusting bolt 124 to move the motor bracket 12, and then the bolt of the limit hole 123a is locked.

In order to allow the sprocket to move in the longitudinal direction of the first bracket 23, and/or the driven pulley 42 to move in the longitudinal direction of the second bracket 43; as shown in fig. 3, the first rotating shaft bracket 30a or the second rotating shaft bracket 30b is now provided to include a shaft fixing seat 31 and a fixing block 32; the first bracket 23 and/or the second bracket 43 are provided with strip-shaped through holes along the length direction thereof; fixed block 32 is fixed in the one side of through-hole, and axle fixing base 31 is equipped with the installation axle that is used for connecting sprocket wheel or driven pulley 42, and bolt 311 fixed connection is passed through in one side of axle fixing base 31 in fixed block 32.

In a preferred embodiment, a centering roller machine is based on the principle that two oppositely and obliquely driven conveyors are arranged, so that the objects on the two conveyors are kept centered in the conveying process; since the width of each transfer is set to be limited, the above-described transfer assembly can be adopted for the transfer section of the center-roller machine.

In summary, the driving portion 1 drives the first transmission portion 2 to perform chain transmission, and then the first transmission portion 2 drives the second transmission portion 4 to perform belt transmission; the conveying is carried out through belt transmission, so that the width of rollers is reduced; in addition, the position of the driving pulley, the driven pulley, the driving chain wheel and the driven chain can be adjusted through the arranged rotating shaft bracket 3, so that the tightness of the conveying belt 411 or the chain 211 can be adjusted; in addition, the present invention can be applied to the height of the first bracket 23 and the second bracket 43 by vertically moving the leg 231.

Therefore, the invention effectively overcomes various defects in the prior art and has high industrial utilization value.

The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. A drive assembly, comprising:

a drive section (1), the drive section (1) comprising a motor (11) and a motor support (12); the motor (11) is arranged on the motor support (12), and the motor support (12) is arranged on the bottom plate (121);

a first transmission unit (2), wherein the drive unit (1) drives the first transmission unit (2); the first transmission part (2) comprises a driving chain wheel (21) and a driven chain wheel (22); the output end of the motor (11) is connected with the driving chain wheel (21), and the driving chain wheel (21) is in transmission connection with the driven chain wheel (22) through a chain (211); the driven chain wheel (22) is rotatably mounted on a first rotating shaft support (30a), the first rotating shaft support (30a) is arranged on a first support (23), and the first support (23) is arranged on the bottom plate (121);

a second transmission part (4), the second transmission part (4) comprising a driving pulley (41) and a driven pulley (42); the driving belt wheel (41) and the driven chain wheel (22) are a chain belt wheel of an integrated structure; the driving pulley (41) is in transmission connection with the driven pulley (42) through a transmission belt (411); the driven belt wheel (42) is rotatably arranged on a second rotating shaft support (30b), the second rotating shaft support (30b) is arranged on a second support (43), and the second support (43) is arranged on the bottom plate (121);

the second support (43) is parallel to the first support (23).

2. A drive assembly as set forth in claim 1, wherein: the first bracket (23) and the second bracket (43) each comprise two vertically movable feet (231) and a fixed panel (232); two ends of the fixed panel (232) are respectively connected with one vertical moving supporting leg (231).

3. A drive assembly as set forth in claim 2, wherein: the vertical moving leg (231) comprises an L-shaped piece (231a) and an adjusting piece (231 b); the horizontal panel of the L-shaped piece (231a) is attached to the bottom plate (121); a vertical panel of the L-shaped piece (231a) is provided with a limiting hole (231 c); the vertical panel of the adjusting piece (231b) is fixed to the limiting hole (231c) through a bolt.

4. A drive assembly as set forth in claim 3, wherein: the upper end and the lower end of the vertical panel are respectively provided with an upper mounting plate (2311) and a lower mounting plate (2312); the upper mounting plate (2311) is bolted to the lower part of the fixing panel (232), and the lower mounting plate (2312) is abutted to the bottom plate (121) through bolts.

5. A drive assembly as set forth in claim 1, wherein: the transmission belt (411) comprises two V-belts (412); the driving pulley (41) is in transmission connection with the driven pulley (42) through two V-shaped belts (412).

6. A drive assembly as set forth in claim 1, wherein: a plurality of auxiliary belt wheel assemblies (233) are further arranged on the first support (23) and/or the second support (43), and the auxiliary belt wheel assemblies (233) are used for supporting the transmission belt (411).

7. A drive assembly as set forth in claim 1, wherein: the motor bracket (12) comprises two fixing plates (122) and a base (123) which are arranged on the bottom plate (121); the base (123) is located between the two fixing plates (122), and two sides of the base (123) are connected with the fixing plates (122) through adjusting bolts respectively and used for adjusting the position of the motor support.

8. A drive assembly as set forth in claim 1, wherein: the first rotating shaft bracket (30a) or the second rotating shaft bracket (30b) comprises a shaft fixing seat (31) and a fixing block (32); the shaft fixing seat (31) is provided with a mounting shaft for connecting the chain belt wheel or the driven belt wheel (42), and one side of the shaft fixing seat (31) is connected to the fixing block (32).

9. A drive assembly as set forth in claim 1, wherein: the driving pulley (41) and the driven sprocket (22) are integrally formed by cutting, casting or welding.

10. A centering roller machine, characterized in that the drive of the centering roller machine is a drive assembly according to claims 1 to 9.