CN113086491B

CN113086491B - Rolling device and conveying device and guiding device comprising same

Info

Publication number: CN113086491B
Application number: CN202110331439.2A
Authority: CN
Inventors: 李志猛
Original assignee: Shaoxing Shangyu Yixin Ball Co ltd
Current assignee: Shaoxing Shangyu Yixin Ball Co ltd
Priority date: 2021-03-27
Filing date: 2021-03-27
Publication date: 2022-11-25
Anticipated expiration: 2041-03-27
Also published as: CN113086491A

Abstract

The invention relates to the technical field of transmission and guide, in particular to a rolling device and a conveying device and a guide device comprising the rolling device, wherein the conveying device comprises a rolling device body (1) and a ball (2); an accommodating cavity (11) is formed in the rolling device body (1), the lower part of the ball (2) is positioned in the accommodating cavity (11), and the upper surface of the ball (2) protrudes out of the upper end surface of the rolling device body (1); a blocking part (111) is arranged at the upper port of the accommodating cavity (11); the inner diameter of the upper end of the blocking part (111) is smaller than the diameter of the ball (2). The ball is pressed in the rolling device body in a tight fit mode, the ball can rotate in the rolling device body and has certain displacement movement from top to bottom, the surface of one third of the ball is located on the outer side of the rolling device body, and when an object is in contact with the ball, the movement of the object can drive the ball to rotate, so that the friction force in the transmission process is reduced, the transmission efficiency is effectively improved, and the service life of the transmission device is prolonged.

Description

Rolling device and conveying device and guiding device comprising same

Technical Field

The invention relates to the technical field of transmission and guide, in particular to a rolling device and a conveying device and a guide device comprising the rolling device.

Background

At present, in the prior art, the conveying modes are various, the conveying application scenes are different, the used conveying modes are different, some conveying modes use a conveyor belt for conveying, and some conveying modes use a roller type conveying mode, but when a heavy object is conveyed, the weight of the conveyed object exerts a force vertical to the conveying device. Resulting in increased friction of the conveyor, which not only affects the efficiency of the transfer, but also shortens the life of the conveyor.

Moreover, the existing conveying device is difficult to disassemble during maintenance, so that the maintenance cost is high, and even the whole conveying device can only be scrapped.

Disclosure of Invention

1. Technical problem to be solved

The invention aims to solve the problems of high installation and maintenance cost, difficult maintenance and installation and the like of a conveying device in the prior art, and provides a rolling device, and the conveying device and a guide device comprising the rolling device.

2. Technical scheme

In order to solve the above problems, the present invention adopts the following technical solutions.

A rolling device comprises a rolling device body (1) and a ball (2);

an accommodating cavity (11) is formed in the rolling device body (1), the lower part of the ball (2) is positioned in the accommodating cavity (11), and the upper surface of the ball (2) protrudes out of the upper end surface of the rolling device body (1);

a blocking part (111) is arranged at the upper port of the accommodating cavity (11);

the inner diameter of the upper end of the blocking part (111) is smaller than the diameter of the ball (2).

Preferably, the rolling device further comprises at least three auxiliary rolling balls (3), and the auxiliary rolling balls (3) are positioned in the accommodating cavity (11) and between the inner wall of the accommodating cavity (11) and the rolling balls (2).

Preferably, the diameter of the auxiliary rolling ball (3) is smaller than that of the rolling ball (2).

Preferably, the diameter of the ball (2) is smaller than the inner diameter of the containing cavity (11);

the diameter of the ball (2) is larger than the height of the accommodating cavity (11).

Preferably, the bottom of the accommodating cavity (11) is an arc-shaped surface (112) which protrudes upwards;

the top of the arc surface (112) is provided with a through hole (12).

Preferably, the inner wall of the blocking part (111) is provided with a chamfer (111 a) matched with the ball (2).

Preferably, the Shore A hardness of the materials of the ball (2) and the auxiliary rolling ball (3) is more than 50, and the Shore D hardness is more than 90.

A conveying device comprises a rolling device and further comprises a mounting table (4) embedded in the rolling device.

A guiding device comprises a rolling device and further comprises a mounting table (4) embedded in the rolling device.

3. Advantageous effects

Compared with the prior art, the invention has the beneficial effects that:

1. the utility model provides a rolling device, is at this internal mode through the tight fit of rolling device, the ball of impressing, and the ball can also have certain displacement from top to bottom at this internal rotation of rolling device, and the third ball surface of ball is located the rolling device body outside, and when object and ball contact, the removal of object can drive the ball and rotate to reduce the frictional force of transmission in-process, improved driven efficiency effectively, but also improved transmission's life-span.

2. A plurality of auxiliary rolling balls are arranged between the rolling ball and a rolling device body, when the rolling ball is stressed, the rolling ball can be in contact with the auxiliary rolling balls in an up-and-down moving mode, and friction force is further reduced through point contact between the rolling ball and the rolling ball.

3. The utility model provides a rolling device, at the intracavity that holds of rolling device body, holds the chamber bottom and be curved, holds the supplementary spin that the intracavity was placed along the even difference of arcwall face between ball and arcwall face, supplementary spin also is the point contact with the arcwall face moreover, reduces area of contact to frictional force has been reduced.

4. The utility model provides a rolling device, is holding the chamber and is located the through-hole on the arc surface, and rolling device long-term work through the roll of sphere, has a lot of dust and impurity and falls into rolling device originally internally, prevents the rotation of ball, uses the air gun to blow off the dust impurity who piles up holding the chamber at rolling device body through the through-hole.

5. The height of the loading and rolling device is adjusted by adjusting the height of the ball exposed on the end face of the rolling device body, the exposed height of the ball can be adjusted through the sizes of the ball and the rolling device body, the height adjustable range is large, and the limitation caused by the installation space of the device is small.

Drawings

FIG. 1 is a schematic structural view of embodiment 1 of the present invention;

FIG. 2 is a sectional view of embodiment 1 of the present invention;

FIG. 3 is a partial sectional view of embodiment 1 of the present invention;

fig. 4 is a partial sectional view of a rolling device body according to embodiment 1 of the present invention;

FIG. 5 is a schematic view of the structure of a transfer apparatus according to embodiment 2 of the present invention;

in the figure, 1, a rolling device body; 11. the device comprises an accommodating cavity 111, a blocking part 111a, chamfers 112, arc-shaped surfaces 12 and through holes;

2. a ball;

3. an auxiliary rolling ball;

4. and (7) mounting a platform.

Detailed Description

Example 1:

as shown in fig. 1 to 5, a rolling device includes a rolling device body 1 and balls 2. Wherein, ball 2 is pressed through certain power through the mode of tight fit, impresses ball 2 in rolling device body 1, and ball 2 is located rolling device 1 and can rotate relatively, and has certain clearance in the upper and lower direction, and ball 2 can reciprocate, but ball 2 can not deviate from in rolling device body 1. Be equipped with in rolling device body 1 and hold chamber 11, the radius that highly is greater than ball 2 that holds chamber 11 is less than the diameter of ball 2, make the lower half of ball 2 be located and hold chamber 11, the upper end face of the upper surface protrusion rolling device body 1 of ball 2, be equipped with stop part 111 holding chamber 11 and being located the upper end mouth department, the internal diameter of stop part 111 upper end is less than the diameter of ball 2, stop part 111's blocking effect down, make ball 2 only can be relative rolling device body 1 internal rotation, and there is a certain amount of displacement in the direction of rolling device body 1 axis.

Specifically, the rolling device still includes at least three supplementary spin 3, supplementary spin 3 is located and holds the chamber 11, and be located and hold between 11 inner walls in chamber and the ball 2, when ball 2 received pressure, the surface and the supplementary spin 3 contact of ball 2, it is vice to form point contact, roll connection between ball 2 and the supplementary spin, through roll connection, frictional force has been reduced, the life of device has been prolonged, and supplementary spin 3 is a lot of as much as possible, subsection that like this can be even is holding chamber 11 bottom, make the atress of ball 2 even.

Specifically, hold chamber 11 bottom for the bellied arcwall face 112 that makes progress, supplementary spin 3 surface respectively with ball 2, hold chamber 11 lateral wall and arcwall face 112 contact, the bottom that holds chamber 11 moreover is arcwall face 112 can make supplementary spin 3 also be the point contact with arcwall face 112. Moreover, still set up the through-hole 12 that runs through at the top of arcwall face 112, when long-term the use, under the roll of ball 2, the dust can get into with little impurity and hold chamber 11 in, holds chamber 11 and pile up impurity for a long time, can influence the roll of supplementary spin 3 and ball 2 to reduce work efficiency, arouse the life-span of equipment to shorten even. Air can be periodically blown from the inside of the through hole 12 at the lower end of the rolling device body 1 through the through hole 12 to blow out impurities and dust from the upper end port by using an air gun energy device.

Specifically, the diameter of the auxiliary rolling ball 3 is smaller than that of the rolling ball 2, and the diameter of the rolling ball 2 is smaller than the inner diameter of the accommodating cavity 11, however, the diameter of the rolling ball 2 is larger than the height of the accommodating cavity 11, so that the upper surface of the rolling ball 2 is positioned on the upper part of the upper end surface of the rolling device body 1 after the rolling ball 2 is contacted with the auxiliary rolling ball 3 by external force.

Specifically, a chamfer 111a matching the ball 2 is provided on the inner wall of the stopper 111 so that the ball can smoothly roll when contacting the stopper 111.

Specifically, the shore a hardness of the material of the ball 2 and the auxiliary rolling ball 3 is greater than 50, the shore D hardness is greater than 90, certain pressure can be borne, the ball can resist abrasion, and the ball 2 and the auxiliary rolling ball 3 can be made of plastic, metal, ceramic, glass and the like and have certain hardness.

Example 2:

a conveying device comprises a rolling device and a mounting table 4, wherein the rolling device is embedded into the mounting table 4 in a module embedding mode, the upper surface of a rolling ball 2 is positioned on the upper portion of the mounting table 4 and protrudes out of the mounting table 4 by a certain height, and the height can be adjusted according to operation properties. The device can be used for flat plate type material transmission, for example, the transmission of materials in circulation after the blanking of glass, steel plates, wood plates and other plates. The embedded rolling device is low in cost in replacement and maintenance, only partial replacement is needed, and damage to one of the embedded rolling devices has little influence on the operation of the whole conveying device.

Example 3:

the utility model provides a guiding device, including rolling device and installation casing, fixing device installs in the installation casing through the mode of embedding, then will install the casing and fix on equipment, for example, domestic appliance, a desk, medical bed etc, with the installation casing that has rolling device on two at least feet fixed and inlayed wherein, fixed conventional fixing support on other feet, lift up the foot that will install conventional fixing support when needing to remove, promote just can remove, the direction that promotes is unrestricted under the effect of ball 2, can play the effect of universal wheel, and the gravity that bears at ball 2 is big more, make ball 2 and supplementary spin 3 contact, roll more smooth.

Claims

1. A rolling device is characterized by comprising a rolling device body (1) and a ball (2);

an accommodating cavity (11) is formed in the rolling device body (1), the lower part of the ball (2) is positioned in the accommodating cavity (11), and the upper surface of the ball (2) protrudes out of the upper end surface of the rolling device body (1); the ball (2) is positioned in the rolling device body (1) and can rotate relatively, a certain gap exists in the vertical direction, and the ball (2) can move up and down;

the inner diameter of the upper end of the blocking part (111) is smaller than the diameter of the ball (2);

the rolling device also comprises at least three auxiliary rolling balls (3), wherein the auxiliary rolling balls (3) are positioned in the accommodating cavity (11) and are positioned between the inner wall of the accommodating cavity (11) and the rolling balls (2);

the diameter of the auxiliary rolling ball (3) is smaller than that of the rolling ball (2); the surface of the auxiliary rolling ball (3) is in point contact with the rolling ball (2), the side wall of the accommodating cavity (11) and the arc-shaped surface (112) respectively;

the diameter of the ball (2) is smaller than the inner diameter of the accommodating cavity (11);

the diameter of the ball (2) is larger than the height of the accommodating cavity (11);

the bottom of the accommodating cavity (11) is an arc-shaped surface (112) which protrudes inwards and upwards;

the top of the arc surface (112) is provided with a through hole (12).

2. A rolling device according to claim 1, characterized in that the inner wall of the blocking part (111) is provided with a chamfer (111 a) matching the ball (2).

3. The rolling device according to claim 1, wherein the shore a hardness of the material of the rolling balls (2) and the auxiliary rolling balls (3) is greater than 50, and the shore D hardness is greater than 90.

4. A conveyor comprising a rolling device according to claim 1, and further comprising a mounting table (4) in which the rolling device is embedded.

5. A guide device comprising a rolling device according to claim 1, further comprising a mounting table (4) embedded in the rolling device.