CN221947984U - A mechanism for converting rotary motion into reciprocating linear motion - Google Patents

Abstract

The utility model relates to the technical field of automatic equipment, and particularly discloses a mechanism for converting rotary motion into reciprocating linear motion, which comprises a fixed seat, a driving servo motor and a rocker arm, wherein an output shaft of the driving servo motor is connected with an adjustable eccentric mechanism, the adjustable eccentric mechanism comprises an eccentric wheel, and a roller bearing capable of moving along the center line of the eccentric wheel is arranged on the eccentric wheel; one end of rocking arm is rotated through the pivot and is connected on the fixing base, and the other end of rocking arm is connected with the push rod through promoting the pivot, and the arbitrary point of the intermediate section of rocking arm is connected with roller bearing, and this technical scheme adopts drive servo motor to drive eccentric wheel cooperation swing arm and makes the push rod push away the material, adopts drive servo motor can guarantee the pay-off speed and the dynamics of push rod, and production efficiency is high, in addition, avoids external environment to influence the life of mechanism.

Description

Mechanism for converting rotary motion into reciprocating linear motion

Technical Field

The utility model relates to the technical field of automatic equipment, and particularly discloses a mechanism for converting rotary motion into reciprocating linear motion.

Background

In the production process of the magnetic material product (the magnetic shoe product in the embodiment), after the product is sintered, a plurality of grinding processes are needed to process the product which is sintered, contracted and deformed into a product meeting the dimensional requirement of the form and position tolerance. In the grinding process, when one grinding process is finished and the next grinding process is carried out, the upper product top material is required to be sent to the next equipment, the traditional cylinder direct pushing and screw transmission module and the like cannot meet the feeding force and speed and the dust, water and sludge environments, faults often occur, the production efficiency is low, and the maintenance frequency is high.

Based on the background, the invention provides a function of driving a rocker arm mechanism by a servo motor to realize linear reciprocating motion to feed materials from pushing materials.

Disclosure of Invention

The present utility model addresses the above-described deficiencies of the prior art by providing a mechanism for converting rotary motion to reciprocating linear motion.

The technical scheme adopted by the utility model for solving the problems is as follows:

the utility model provides a mechanism for converting rotary motion into reciprocating linear motion, comprising:

A fixing seat;

The driving servo motor is connected with an output shaft of the driving servo motor, the adjustable eccentric mechanism comprises an eccentric wheel, and a roller bearing capable of moving along the circle center line of the eccentric wheel is arranged on the eccentric wheel;

One end of the rocker arm is rotationally connected to the fixed seat through a rotating shaft, the other end of the rocker arm is connected with the push rod through a pushing rotating shaft, and any point of the middle section of the rocker arm is connected with the roller bearing.

Further, the fixing seat is provided with a plurality of guide wheels which are distributed horizontally up and down, a guide rail is arranged between the guide wheels which are distributed up and down, and the guide rail is fixedly connected between the rocker arm and the push rod.

Further, one end of the rocker arm is provided with a U-shaped groove, and the rocker arm is connected with the pushing rotating shaft through the U-shaped groove.

Further, the middle section of the rocker arm is provided with a waist-shaped groove, and the roller bearing is positioned in the waist-shaped groove.

Further, the eccentric wheel is provided with a sliding groove distributed along the circle center line, a sliding block is arranged in the sliding groove, a roller bearing rotating shaft is fixedly connected to the sliding block, and the roller bearing is connected to the roller bearing rotating shaft.

Further, a speed reducer is arranged on the driving servo motor, and the driving servo motor is connected with the eccentric wheel through the speed reducer.

The utility model has the beneficial effects that: the technical scheme provides a mechanism for converting rotary motion into reciprocating linear motion, which comprises a fixed seat, a driving servo motor and a rocker arm, wherein an output shaft of the driving servo motor is connected with an adjustable eccentric mechanism, the adjustable eccentric mechanism comprises an eccentric wheel, and a roller bearing capable of moving along the circle center line of the eccentric wheel is arranged on the eccentric wheel; one end of rocking arm is rotated through the pivot and is connected on the fixing base, and the other end of rocking arm is connected with the push rod through promoting the pivot, and the arbitrary point of the intermediate section of rocking arm is connected with roller bearing, and this technical scheme adopts drive servo motor to drive eccentric wheel cooperation swing arm and makes the push rod push away the material, adopts drive servo motor can guarantee the pay-off speed and the dynamics of push rod, and production efficiency is high, in addition, avoids external environment to influence the life of mechanism.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained from the structures shown in these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a first perspective view of a mechanism for converting rotary motion into reciprocating linear motion in accordance with the present utility model;

FIG. 2 is a second perspective view of a mechanism for converting rotary motion into reciprocating linear motion in accordance with the present utility model;

FIG. 3 is a perspective view of a swing arm in a mechanism for converting rotary motion to reciprocating linear motion in accordance with the present utility model;

Fig. 4 is a perspective view of an adjustable eccentric mechanism in a mechanism for converting rotary motion into reciprocating linear motion according to the present utility model.

The reference numerals in the drawings are: 1-fixing seat, 2-driving servo motor, 3-speed reducer, 4-eccentric wheel, 401-chute, 5-roller bearing, 6-rocker arm, 601-waist type groove, 602-U type groove, 7-rotating shaft, 8-pushing rotating shaft, 9-guide rail, 10-guide wheel, 11-push rod, 12-roller bearing rotating shaft and 13-slide block.

Detailed Description

In order that those skilled in the art will better understand the technical solutions of the present utility model, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, 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.

Referring to the accompanying drawings 1-4 of the specification, a mechanism for converting rotary motion into reciprocating linear motion comprises a fixed seat 1, a driving servo motor 2 and a rocker arm 6, wherein an output shaft of the driving servo motor 2 is connected with an adjustable eccentric mechanism, the adjustable eccentric mechanism comprises an eccentric wheel 4, and a roller bearing 5 capable of moving along the circle center line of the eccentric wheel 4 is arranged on the eccentric wheel 4; one end of the rocker arm 6 is rotationally connected to the fixed seat 1 through the rotating shaft 7, the other end of the rocker arm 6 is connected with the push rod 11 through the pushing rotating shaft 8, any point of the middle section of the rocker arm 6 is connected with the roller bearing 5, the eccentric wheel 4 is driven by the driving servo motor 2 to be matched with the swing arm 6, so that the push rod 11 pushes materials, the feeding speed and the force of the push rod 11 can be guaranteed by the driving servo motor 2, the production efficiency is high, and in addition, the service life of the mechanism is prevented from being influenced by the external environment.

As a preferred embodiment of this embodiment, the fixing base 1 is provided with a plurality of guide wheels 10 that are distributed horizontally up and down, a guide rail 9 is disposed between the guide wheels 10 that are distributed up and down, and the guide rail 9 is fixedly connected between the rocker arm 6 and the push rod 11.

As another preferred implementation of this embodiment, one end of the rocker arm 6 is provided with a U-shaped groove 602, and the rocker arm 6 is connected with the pushing rotating shaft 8 through the U-shaped groove 602.

Specifically, a waist-shaped groove 601 is formed in the middle section of the rocker arm 6, and the roller bearing 5 is located in the waist-shaped groove 601.

Specifically, a sliding groove 401 distributed along a circle center line is formed in the eccentric wheel 4, a sliding block 13 is arranged in the sliding groove 401, a roller bearing rotating shaft 12 is fixedly connected to the sliding block 13, a roller bearing 5 is connected to the roller bearing rotating shaft 12, and the swing amplitude of the rocker arm 6 can be adjusted by moving the sliding block 13 to adjust the distance between the sliding groove and the sliding groove along the position of the sliding groove 401, so that reciprocating motion without moving from the stroke is achieved.

Furthermore, a speed reducer 3 is provided on the drive servo motor 2, and the drive servo motor 2 is connected with the eccentric wheel 4 through the speed reducer 3.

Working principle:

The speed reducer 3 fixed on the fixed seat 1 transmits a rotating moment by driving the servo motor 2, an eccentric wheel 4 is fixed on an output shaft of the speed reducer 3, a sliding groove 401 is formed in a central line of a wheel surface of the eccentric wheel 4, a rotating shaft 32 of a roller bearing 6 is fixed in the sliding groove 401 of the eccentric wheel 4 through a sliding block 13, and the swinging amplitude of a rocker arm 6 can be adjusted by adjusting the distance between the rotating shaft 12 of the roller bearing and the central point of the eccentric wheel 4 so as to realize reciprocating motion without stroke; the roller bearing 5 is fitted in a waist-shaped groove 601 provided in the rocker arm 6, the roller bearing 5 is driven to perform a circular motion by a rotational motion of the driving servo motor 2, thereby swinging in the waist-shaped groove 601, the driving rocker arm 6 swings around the rotating shaft 7,

When the rocker arm 6 swings, the pushing rotating shaft 8 matched in the U-shaped groove 602 is driven to reciprocate back and forth, the pushing rotating shaft 8 is fixed on the guide rail 9, and the guide rail 9 and the guide wheel 10 are matched to realize the guiding of linear motion; a push rod 11 is fixedly connected to the guide rail 9, when the guide rail 9 is driven by the rocker arm 6, the push rod 11 is driven to realize linear reciprocating motion, and a clamp fixing plate is arranged on the push rod 11 and can be matched with different clamps to realize different pushing and feeding functions

From the above description, it can be seen that the above embodiments of the present utility model achieve the following technical effects:

The technical scheme provides a mechanism for converting rotary motion into reciprocating linear motion, which comprises a fixed seat, a driving servo motor and a rocker arm, wherein an output shaft of the driving servo motor is connected with an adjustable eccentric mechanism, the adjustable eccentric mechanism comprises an eccentric wheel, and a roller bearing capable of moving along the circle center line of the eccentric wheel is arranged on the eccentric wheel; one end of rocking arm is rotated through the pivot and is connected on the fixing base, and the other end of rocking arm is connected with the push rod through promoting the pivot, and the arbitrary point of the intermediate section of rocking arm is connected with roller bearing, and this technical scheme adopts drive servo motor to drive eccentric wheel cooperation swing arm and makes the push rod push away the material, adopts drive servo motor can guarantee the pay-off speed and the dynamics of push rod, and production efficiency is high, in addition, avoids external environment to influence the life of mechanism.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present application unless it is specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.

In the description of the present application, it should be understood that the azimuth or positional relationships indicated by the azimuth terms such as "front, rear, upper, lower, left, right", "transverse, longitudinal, vertical, horizontal", and "top, bottom", etc., are generally based on the azimuth or positional relationships shown in the drawings, merely to facilitate description of the present application and simplify the description, and these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present application; the term "inner and outer" refers to the inner and outer relative to the outline of each component itself.

It will be understood that when an element is referred to as being "on" or "connected to" another element, it can be directly on or directly connected to the other element or intervening elements may be present therebetween. In contrast, when an element is referred to as being "directly on" or "directly connected to" another element, there are no intervening elements present therebetween.

In addition, in the description of the present utility model, the terms "first" and "second" are used to define the components, and are merely for convenience of distinguishing the corresponding components, and unless otherwise stated, the terms have no special meaning, and thus should not be construed as limiting the scope of the present utility model.

While the foregoing is directed to the preferred embodiments of the present utility model, it will be appreciated by those skilled in the art that changes and modifications may be made without departing from the principles of the utility model, such changes and modifications are also intended to be within the scope of the utility model.

Claims (6)

1. A mechanism for converting rotary motion into reciprocating linear motion, comprising: Fixed seat; A driving servo motor, wherein the output shaft of the driving servo motor is connected to an adjustable eccentric mechanism, wherein the adjustable eccentric mechanism comprises an eccentric wheel, and the eccentric wheel is provided with a roller bearing that can move along the center line of the eccentric wheel; A rocker arm, one end of which is rotatably connected to a fixed seat via a rotating shaft, the other end of which is connected to a push rod via a pushing rotating shaft, and any point in the middle section of the rocker arm is connected to a roller bearing. 2. A mechanism for converting rotational motion into reciprocating linear motion according to claim 1, characterized in that a plurality of guide wheels horizontally distributed up and down are provided on the fixed seat, a guide rail is provided between the guide wheels distributed up and down, and the guide rail is fixedly connected between the rocker arm and the push rod. 3. A mechanism for converting rotational motion into reciprocating linear motion according to claim 2, characterized in that a U-shaped groove is provided at one end of the rocker arm, and the rocker arm is connected to the driving shaft through the U-shaped groove. 4. A mechanism for converting rotational motion into reciprocating linear motion according to claim 3, characterized in that a waist-shaped groove is provided in the middle section of the rocker arm, and the roller bearing is located in the waist-shaped groove. 5. A mechanism for converting rotational motion into reciprocating linear motion according to claim 4, characterized in that the eccentric wheel is provided with a slide groove distributed along the center line of the circle, a slider is provided in the slide groove, a roller bearing shaft is fixedly connected to the slider, and the roller bearing is connected to the roller bearing shaft. 6. A mechanism for converting rotational motion into reciprocating linear motion according to any one of claims 1 to 5, characterized in that a reducer is provided on the driving servo motor, and the driving servo motor is connected to the eccentric wheel via the reducer.