WO2020156232A1

WO2020156232A1 - Intermittent transmission mechanism and bottle conveying device with shifting wheels

Info

Publication number: WO2020156232A1
Application number: PCT/CN2020/072692
Authority: WO
Inventors: 陈勇; 刘玉明; 蔡大宇; 周振兴; 欧伟
Original assignee: 楚天科技股份有限公司
Priority date: 2019-01-30
Filing date: 2020-01-17
Publication date: 2020-08-06
Also published as: CN109625910A

Abstract

Disclosed are an intermittent transmission mechanism and a bottle conveying device with shifting wheels. The intermittent transmission mechanism comprises: at least one driving rotary disk (1), wherein the driving rotary disk (1) is connected to a drive device, a drive member (11) is mounted on a face of the driving rotary disk (1), the drive member (11) is located near a transmission shaft of the driving rotary disk (1), and a drive mechanism (12) is mounted on another face of the driving rotary disk (1); at least one driven rotary disk (2), wherein an outer edge of the driven rotary disk (2) is provided with a plurality of grooves (21) cooperating with the drive member (11); and at least one stop part (31) and a connection part (33) connecting the stop part (31) and the drive mechanism (12), wherein the stop part (31) is located at one end of the connection part (33); the drive mechanism (12) drives the stop part (31), via the connection part (33), to stop the rotation of the driven rotary disk (2); and the drive member (11) drives, in each of the grooves (21), the driven rotary disk (2) to rotate until the drive member (11) rotates by a pre-set angle around the transmission shaft of the driving rotary disk (1) and then leaves the groove (21), and the stop part (31) enters the groove (21) to stop the rotation of the driven rotary disk (2). The intermittent transmission mechanism has the advantages of low costs and few manufacturing difficulties.

Description

Intermittent transmission mechanism and dial wheel bottle conveying device

Technical field

The invention relates to the technical field of pharmaceutical machinery and equipment, and more specifically to an intermittent transmission mechanism and a dial wheel bottle conveying device.

Background technique

Pharmaceutical equipment is essential for pharmaceutical companies in the pharmaceutical process. Among them, there are many working conditions that require the operation of pharmaceutical machinery and equipment, and some components have two stop states: transmission and work. For transmissions that require certain movement and stop requirements, cam dividers and servo drives are commonly used. Cam splitting costs are high and processing It is complicated and the cost of the servo drive is also high. There is a risk of misalignment or poor coordination when multiple servos are operated at high speed.

technical problem

Based on this, the present invention addresses the technical problems existing in the above-mentioned transmission mechanism using cam dividers and servo drives, and provides an intermittent transmission mechanism and a dial wheel bottle conveying device with low cost and simple processing.

Technical solutions

To solve the above technical problems, the present invention adopts the following technical solutions:

An intermittent transmission mechanism, including:

At least one active turntable, the active turntable is connected with a driving device, one side of the active turntable is installed with a driving member, and the driving member is located near the transmission shaft of the active turntable, and the other side of the active turntable Drive mechanism installed;

At least one driven turntable, the outer edge of the driven turntable is provided with a plurality of grooves that cooperate with the driving member;

At least one stop part and a connecting part connecting the stop part and the driving mechanism, the stop part is located at one end of the connecting part, and the driving mechanism drives the stop part through the connecting part to prevent the The driven turntable rotates;

The driving member drives the driven turntable to rotate in the groove until the driving member leaves the groove after rotating a predetermined angle around the drive shaft of the driving turntable, and the stop portion enters the The groove stops the driven turntable from rotating.

In one of the embodiments, the driving member is a roller.

In one of the embodiments, the driving mechanism includes a cam provided at the other end of the connecting part and a motor driving the connecting part.

In one of the embodiments, a cam groove is formed on the other surface of the driving turntable, and the cam can slide in the cam groove.

In one of the embodiments, the shape of the cam groove is adapted to the track of the cam movement.

In one of the embodiments, the height of the cam is not greater than the depth of the cam groove.

In one of the embodiments, the connecting portion is an L-shaped connecting rod.

In one of the embodiments, the number of the driving turntable, the driven turntable, and the stopping part are the same.

In one of the embodiments, the spacing between the grooves is equal.

The invention also provides a dial wheel bottle conveying device, which uses the above-mentioned intermittent transmission mechanism.

Beneficial effect

The present invention drives the driven turntable to rotate through the driving member on the active turntable. When the driven turntable rotates to a certain angle, the driving member leaves the groove on the driven turntable. At this time, the stop part enters the groove to prevent the driven turntable. The turntable rotates to realize intermittent transmission. This mechanism can ensure the independence of the output power of the corresponding components, and at the same time have a certain relevance, so as to adapt to different production speeds. Compared with the prior art, the present invention has the advantages of low cost and low manufacturing difficulty.

Description of the drawings

FIG. 1 is a schematic diagram of the front structure of the intermittent transmission mechanism disclosed in the present invention.

2 is a schematic diagram of the back structure of the intermittent transmission mechanism disclosed in the present invention.

Fig. 3 is a schematic diagram of the connection between the dial wheel and the intermittent transmission mechanism in the dial wheel bottle conveying device disclosed in the present invention.

In Figure 4, a, b, c, and d are schematic diagrams of the work between the dial wheels in the dial wheel bottle conveying device disclosed in the present invention.

Description of reference signs:

Among them, 1. Active turntable; 11. Drive member; 12. Drive mechanism; 2. Followed turntable; 21. Groove; 31. Stop portion; 32. Cam; 33. Connecting portion; 4. Dial wheel.

Embodiments of the invention

In order to make the above-mentioned objects, features and advantages of the present invention more obvious and understandable, the specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings. In the following description, many specific details are explained in order to fully understand the present invention. However, the present invention can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without departing from the connotation of the present invention. Therefore, the present invention is not limited by the specific implementation disclosed below.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the pointed device or element must have a specific orientation or a specific orientation. The structure and operation cannot therefore be understood as a limitation of the present invention. In addition, the terms "first", "second", and "third" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance.

Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the technical field of the present invention. The terms used in the specification of the present invention herein are only for the purpose of describing specific embodiments, and are not intended to limit the present invention.

As shown in Figures 1 and 2, an intermittent transmission mechanism includes: at least one active turntable 1, which is connected to a driving device, a driving member 11 is installed on one side of the active turntable 1, and the driving member 11 Located near the drive shaft of the driving turntable 1, a driving mechanism 12 is installed on the other surface of the driving turntable 1; at least one driven turntable 2, the outer edge of the driven turntable 2 is provided with a plurality of grooves that cooperate with the driving member 11 21; at least one stop portion 31 and the connecting portion 33 connecting the stop portion 31 and the driving mechanism 12, the stop portion 31 is located at one end of the connecting portion 33, the driving mechanism 12 through the connecting portion 33 drives the stop portion 31 to prevent the driven turntable 2 Rotation; the driving member 11 drives the driven turntable 2 to rotate in the groove 21 until the driving member 11 leaves the groove 21 after rotating a predetermined angle around the drive shaft of the driving turntable 1, and the stop portion 31 enters the groove 21 to make the driven Turntable 2 stops rotating.

The present invention drives the driven turntable 2 to rotate through the driving member 11 on the active turntable 1. When the driven turntable 2 rotates to a certain angle, the driving member 11 leaves the groove on the driven turntable 2. At this time, the stop portion 31 enters the recess The slot 21 prevents the driven turntable 2 from rotating, thereby realizing intermittent transmission. This mechanism can ensure the independence of the output power of the corresponding components, and at the same time have a certain relevance, so as to adapt to different production speeds. Compared with the prior art, the present invention has the advantages of low cost and low manufacturing difficulty.

Further, in this embodiment, the driving turntable 1 is connected to a motor, and the driving turntable 1 is driven to rotate by the motor. At this time, the driving member 11 on the driving turntable 1 enters the groove 21 to drive the driven turntable 2 to rotate. 11 can be a scroll wheel. In other embodiments, the driving member 11 may be a circular rod with a diameter smaller than the width of the groove 21.

In this embodiment, the driving member 11 is located at one third of the diameter of the driving turntable 1. In other embodiments, the position of the driving member 11 on the driving turntable 1 can be adjusted according to actual conditions.

The driving mechanism 12 and the stop portion 31 are connected by a connecting portion 33, and the movement between the two is related. When the driving member 11 enters the groove 21 to drive the driven turntable 2 to rotate, after the driving mechanism 12 runs for a period of time, the driving member 11 leaves the groove 21. At this time, the stop portion 31 enters the groove 21 to prevent the driven turntable 2 from rotating. Then, after the driving mechanism 12 still runs for a period of time, the stop portion 31 will leave the groove 21. At the same time, the driving member 11 enters the groove 21 again to drive the driven turntable 2 to rotate. Further, in this embodiment, the driving mechanism 12 includes a cam 32 provided at the other end of the connecting portion 33 and a motor for driving the connecting portion 33. The connecting portion 33 connecting the stop portion 31 and the driving mechanism 12 is an L-shaped connecting rod, It can be seen from Figure 2.

In this embodiment, a cam groove is formed on the other surface of the driving turntable 1, and the cam 32 can slide in the cam groove. Moreover, the shape of the cam groove is adapted to the trajectory of the movement of the cam 32. Further, the height of the cam 32 is designed to be no greater than the depth of the cam groove, so that the cam 32 cannot easily deviate from the original sliding track from the cam groove.

The number of grooves 21 opened on the driven turntable 2 can be designed based on actual working conditions. The spacing between the grooves 21 can be designed after calculating a predetermined angle of rotation, and the spacing can be equal or unequal.

In this embodiment, the number of the driving turntable 1, the driven turntable 2 and the stop portion 31 are the same, as shown in Figures 1 and 2. In the two drawings, there are two driving turntables 1 and the two pass The input shaft is connected. Figure 1 shows that the driver 11 is installed on the front and the driving mechanism 12 is installed on the back. The driven turntables 2 are installed on the fronts of the two driving turntables. The operation between the driven turntables 2 It can be done independently or simultaneously. In addition, there are two stoppers 31, both of which are designed at corresponding positions to prevent the driven turntable 2 from rotating.

The present invention also provides a dial wheel bottle feeding device, as shown in Figure 3, using the intermittent transmission mechanism described in any of the above embodiments, by connecting with the output shaft on the driven turntable 2 to control the bottle feeding dial wheel and the main The intermittent bottle feeding of the dial wheel can effectively solve the problem that the bottle feeding mesh belt and the bottle outlet mesh belt need to be tangent to the main dial wheel, which causes the waste of the main dial wheel station. The movement mode between the dial wheels 4 connected to the output shaft of the driven turntable 2 is shown in Fig. 4, and tangency, intersection, separation, etc. can all be used to convey the bottle.

The technical features of the above-mentioned embodiments can be combined arbitrarily. In order to make the description concise, all possible combinations of the various technical features in the above-mentioned embodiments are not described. However, as long as there is no contradiction in the combination of these technical features, All should be considered as the scope of this specification.

The above-mentioned embodiments only express several embodiments of the present invention, and the descriptions are more specific and detailed, but they should not be interpreted as a limitation on the scope of the invention patent. It should be pointed out that for those of ordinary skill in the art, without departing from the concept of the present invention, several modifications and improvements can be made, and these all fall within the protection scope of the present invention. Therefore, the protection scope of the patent of the present invention should be subject to the appended claims.

Claims

An intermittent transmission mechanism, characterized in that it comprises:

At least one active turntable (1), the active turntable (1) is connected with a driving device, a driving member (11) is installed on one side of the active turntable (1), and the driving member (11) is located in the driving device Near the drive shaft of the turntable (1), a driving mechanism (12) is installed on the other surface of the active turntable (1);

At least one driven turntable (2), the outer edge of the driven turntable (2) is provided with a plurality of grooves (21) that cooperate with the driving member (11);

At least one stop part (31) and a connecting part (33) connecting the stop part (31) and the driving mechanism (12), the stop part (31) is located at one end of the connecting part (33), The driving mechanism (12) drives the stop portion (31) through the connecting portion (33) to prevent the driven turntable (2) from rotating;

The driving member (11) drives the driven turntable (2) to rotate in the groove (21) until the driving member (11) rotates a predetermined angle around the drive shaft of the driving turntable (1) After leaving the groove (21), the stop portion (31) enters the groove (21) to stop the driven turntable (2) from rotating.
The intermittent transmission mechanism according to claim 1, wherein the driving member (11) is a roller.
The intermittent transmission mechanism according to claim 1, wherein the driving mechanism (12) comprises a cam (32) provided at the other end of the connecting portion (33) and a motor driving the connecting portion (33).
The intermittent transmission mechanism according to claim 3, characterized in that a cam groove is opened on the other surface of the driving turntable (1), and the cam (32) can slide in the cam groove.
The intermittent transmission mechanism according to claim 4, characterized in that the shape of the cam groove is adapted to the movement track of the cam (32).
The intermittent transmission mechanism according to claim 4, wherein the height of the cam (32) is not greater than the depth of the cam groove.
The intermittent transmission mechanism according to any one of claims 1 to 6, characterized in that the connecting portion (33) is an L-shaped connecting rod.
The intermittent transmission mechanism according to any one of claims 1 to 6, characterized in that the number of the driving turntable (1), the driven turntable (2) and the stopping parts (31) are the same .
The intermittent transmission mechanism according to any one of claims 1 to 6, characterized in that the intervals between the grooves (21) are equal.
A dial wheel bottle conveying device, characterized in that it uses the intermittent transmission mechanism of any one of claims 1-9.