CN219296376U

CN219296376U - Belt conveying device of cap screwing machine

Info

Publication number: CN219296376U
Application number: CN202223430706.0U
Authority: CN
Inventors: 刘祎
Original assignee: Yunpeng Pharmaceutical Group Co ltd
Current assignee: Yunpeng Pharmaceutical Group Co ltd
Priority date: 2022-12-21
Filing date: 2022-12-21
Publication date: 2023-07-04
Anticipated expiration: 2032-12-21

Abstract

The utility model belongs to the technical field of cap screwing machines, and particularly relates to a belt conveying device of a cap screwing machine, which comprises a fixed support, a driving wheel and a driven wheel, wherein the driving wheel and the driven wheel are both rotatably connected with the fixed support, and a conveying belt is arranged between the driving wheel and the driven wheel; an adjusting push plate is connected to the fixed support in a sliding manner and can be contacted with the conveying belt; the adjusting push plate is connected with a cam mechanism, and the adjusting plate is pushed to move by the cam mechanism; the cam mechanism is driven by a drive assembly. The cam mechanism is driven by the driving component, namely, the driving component only needs to be rotated during adjustment; the driving component adopts a worm and gear mechanism, and the cam can be prevented from rotating by utilizing the self-locking property of the worm and gear mechanism.

Description

Belt conveying device of cap screwing machine

Technical Field

The utility model belongs to the technical field of cap screwing machines, and particularly relates to a belt conveying device of a cap screwing machine.

Background

The existing rubbing type cap screwing machine is equipment for automatically screwing a cap on a plastic bottle or a glass bottle. The motor and worm gear 60 reducer drive the belt wheel through the tensioning device, thereby driving two groups of synchronous belt wheels, and the bottle body passes between the two groups of synchronous belts when the cap is screwed.

Therefore, the belt conveying device is an important component in the cap screwing machine, and the belt conveying device needs to ensure that the belt can be attached to the bottle body so as to drive the bottle body to move; corresponding adjustment assemblies are required. As disclosed in patent application No. 202121418905.2, a tensioning belt type screw cap twisting mechanism is provided with a buffer cushion block, and the buffer cushion block pushes a synchronous belt to the side surface of a cap under the action of a buffer spring; meanwhile, the buffer cushion block is connected with an adjusting piece, and the pressing force of the buffer cushion block can be changed through the position of the adjusting piece. However, the position of the adjusting member needs to be moved first during the adjustment and then fixed by the nut, resulting in a certain inconvenience in the adjustment.

Disclosure of Invention

According to the belt conveying device of the cap screwing machine, the belt conveying device can be conveniently adjusted, and only the cam mechanism is required to be driven by the driving assembly.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the belt conveying device of the cap screwing machine comprises a fixed bracket, a driving wheel and a driven wheel, wherein the driving wheel and the driven wheel are both rotationally connected with the fixed bracket, and a conveying belt is arranged between the driving wheel and the driven wheel; an adjusting push plate is connected to the fixed support in a sliding manner and can be contacted with the conveying belt; the adjusting push plate is connected with a cam mechanism, and the adjusting plate is pushed to move by the cam mechanism; the cam mechanism is driven by a drive assembly.

The cam mechanism comprises a connecting frame and a cam, the connecting frame is fixedly connected with the adjusting push plate, the cam is positioned in the connecting frame and contacts with the inner wall of the connecting frame, and the cam is rotationally connected with the fixed support; the cam is driven to rotate through the driving mechanism; a spring is arranged between the connecting frame and the fixed bracket; the connecting frame is connected with the connecting column in a sliding way.

The connecting frame is a square frame, and the shape of the cam is a water drop shape.

The fixed support is fixedly provided with a connecting column, the spring is sleeved outside the connecting column, and two ends of the spring are respectively contacted with the connecting frame and the fixed support.

The driving assembly adopts a worm and gear mechanism.

The worm gear mechanism comprises a worm wheel and a worm, the worm wheel is fixedly connected with the cam, and the worm is rotationally connected with the fixed support and meshed with the worm wheel.

An adjusting hand wheel or an adjusting hole is fixed at the end part of the worm, and the adjusting hole is a polygonal adjusting hole.

The adjustable push plate is characterized in that rollers are rotationally connected to the adjustable push plate, a plurality of rollers are arranged, and the rollers are arranged side by side.

The roller is cylindrical.

Compared with the prior art, the utility model has the beneficial effects that:

the cam mechanism is driven by the driving component, namely, the driving component only needs to be rotated during adjustment; the driving component adopts a worm and gear mechanism, and the cam can be prevented from rotating by utilizing the self-locking property of the worm and gear mechanism.

The roller is rotationally connected on the adjusting push plate, so that friction force between the adjusting push plate and the conveying belt can be reduced.

Drawings

FIG. 1 is a schematic view of one orientation of the present utility model;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is a schematic view of another aspect of the present utility model;

FIG. 4 is a schematic view of the structure of the present utility model in yet another direction;

fig. 5 is a schematic view of the structure of the cam mechanism 5 of the present utility model;

FIG. 6 is a schematic of a semi-sectional structure of the present utility model;

wherein: 1 is a fixed

bracket

1,2 is a

driving wheel

2,3 is a driven

wheel

3,4 is an adjusting

push plate

4,5 is a

cam mechanism

5, 50 is a connecting

frame

50, 51 is a

cam

51,6 is a

driving component

6, 60 is a

worm wheel

60, 61 is a

worm

61, 62 is an adjusting

hole

62,7 is a

spring

7,8 is a connecting

column

8,9 is a

roller

9, and 10 is a conveying belt 10.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The belt conveying device of the cap screwing machine comprises a fixed support 1, a driving wheel 2 and a driven wheel 3, wherein the driving wheel 2 and the driven wheel 3 are both rotatably connected with the fixed support 1, and a conveying belt 10 is arranged between the driving wheel 2 and the driven wheel 3; the fixed bracket 1 is connected with an adjusting push plate 4 in a sliding way, and the adjusting push plate 4 can be contacted with a conveying belt 10; the adjusting push plate 4 is connected with a cam mechanism 5, and the adjusting plate is pushed to move by the cam mechanism 5; the cam mechanism 5 is driven by a drive assembly 6.

One cap screwing machine is provided with two belt conveying devices; the bottle is driven to move by the contact of the conveyor belt 10 in the two belt conveyors with the bottle. The driving wheel 2 is connected with a motor (with a speed reducer), and when the driving wheel 2 rotates, the driven wheel 3 can be driven to rotate through the conveying belt 10.

When adjustment is needed, the driving component 6 drives the cam mechanism 5 to rotate, so that the adjusting plate is pushed to move to press the conveying belt 10; conversely, when the conveyor belt 10 is pressed too tightly, the cam mechanism 5 is driven to rotate reversely by the driving mechanism, so that the adjusting plate moves backward.

Further, the cam mechanism 5 comprises a connecting frame 50 and a cam 51, the connecting frame 50 is fixedly connected with the adjusting push plate 4, the cam 51 is positioned in the connecting frame 50 and contacts with the inner wall of the connecting frame 50, and the cam 51 is rotationally connected with the fixed bracket 1; the cam 51 is driven to rotate by the driving mechanism, so that the connecting frame 50 is pushed to move, and the front and back movement of the adjusting plate is realized; a spring 7 is arranged between the connecting frame 50 and the fixed bracket 1, and when the adjusting frame moves, the spring 7 generates elastic potential energy.

Further, the shape of the connection frame 50 is preferably a square frame, and the shape of the cam 51 is preferably a water-drop shape.

Further, in order to facilitate the connection with the spring 7, a connecting column 8 is fixed on the fixed bracket 1, and the connecting frame 50 is in sliding connection with the connecting column 8; the spring 7 is sleeved outside the connecting column 8, and two ends of the spring 7 are respectively contacted with the connecting frame 50 and the fixed support 1.

Further, the driving unit 6 employs a worm gear mechanism, and the self-locking property thereof can be utilized, and the cam 51 can be prevented from rotating after adjustment.

Further, the worm gear mechanism includes a worm wheel 60 and a worm 61, the worm wheel 60 is fixedly connected with the cam 51, and the worm 61 is rotatably connected with the fixed bracket 1 and is meshed with the worm wheel 60. The worm 61 is rotated to rotate the worm wheel 60, so that the cam 51 is driven to rotate to drive the adjusting frame to move.

Further, an adjusting hand wheel may be fixed at the end of the worm 61, and rotation of the worm 61 may be achieved by rotating the adjusting hand wheel; preferably, the adjusting hole 62 is provided, the adjusting hole 62 is a polygonal adjusting hole 62, and a tool such as a wrench can be inserted to drive the adjusting hole to rotate.

Further, in order to reduce the friction between the adjusting push plate 4 and the conveyor belt 10, the rollers 9 are rotatably connected to the adjusting push plate 4, the rollers 9 are provided with a plurality of rollers 9, the plurality of rollers 9 are arranged side by side, and the rollers 9 are in contact with the conveyor belt 10.

Further, the roller 9 is preferably cylindrical.

The preferred embodiments of the present utility model have been described in detail, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present utility model, and the various changes are included in the scope of the present utility model.

Claims

1. The utility model provides a belt conveyor of spiral cover machine which characterized in that: the automatic transmission device comprises a fixed support (1), a driving wheel (2) and a driven wheel (3), wherein the driving wheel (2) and the driven wheel (3) are both rotationally connected with the fixed support (1), and a transmission belt (10) is arranged between the driving wheel (2) and the driven wheel (3); an adjusting push plate (4) is connected to the fixed support (1) in a sliding manner, and the adjusting push plate (4) can be contacted with the conveying belt (10); the adjusting push plate (4) is connected with a cam mechanism (5), and the adjusting plate is pushed to move through the cam mechanism (5); the cam mechanism (5) is driven by a driving assembly (6).

2. The belt conveyor of a cap screwing machine according to claim 1, wherein: the cam mechanism (5) comprises a connecting frame (50) and a cam (51), the connecting frame (50) is fixedly connected with the adjusting push plate (4), the cam (51) is positioned in the connecting frame (50) and contacts with the inner wall of the connecting frame (50), and the cam (51) is rotationally connected with the fixed support (1); driving the cam (51) to rotate by a driving mechanism; a spring (7) is arranged between the connecting frame (50) and the fixed bracket (1).

3. The belt conveyor of a cap screwing machine according to claim 2, wherein: the connecting frame (50) is a square frame, and the cam (51) is in a water drop shape.

4. The belt conveyor of a cap screwing machine according to claim 2, wherein: a connecting column (8) is fixed on the fixed support (1), the spring (7) is sleeved outside the connecting column (8), and two ends of the spring (7) are respectively contacted with the connecting frame (50) and the fixed support (1); the connecting frame (50) is connected with the connecting column (8) in a sliding way.

5. The belt conveyor of a cap screwing machine according to claim 1, wherein: the driving assembly (6) adopts a worm and gear mechanism.

6. The belt conveyor of a cap screwing machine according to claim 5, wherein: the worm gear mechanism comprises a worm wheel (60) and a worm (61), the worm wheel (60) is fixedly connected with the cam (51), and the worm (61) is rotatably connected with the fixed support (1) and meshed with the worm wheel (60).

7. The belt conveyor of a cap screwing machine according to claim 5, wherein: an adjusting hand wheel or an adjusting hole (62) is fixed at the end part of the worm (61), and the adjusting hole (62) is a polygonal adjusting hole (62).

8. The belt conveyor of a cap screwing machine according to claim 1, wherein: the adjusting push plate (4) is rotationally connected with rollers (9), the rollers (9) are provided with a plurality of rollers (9) which are arranged side by side.

9. The belt conveyor of a cap screwing machine according to claim 8, wherein: the roller (9) is cylindrical.