CN211761544U - Overlength silence triaxial arm mechanism - Google Patents

Abstract

The utility model relates to an ultralong silent three-axis mechanical arm mechanism, which comprises a track section bar and a supporting platform, wherein a linear guide rail is fixedly connected in the track section bar; a transmission rack is arranged on the inner side of the linear guide rail; the bottom of the supporting table is provided with a driving part; a linear sliding block is arranged between the supporting platform and the linear guide rail; a nylon transmission gear is arranged on an output shaft of the driving part; the nylon transmission gear is meshed with the transmission rack; the supporting platform is horizontally displaced relative to the linear guide rail. The utility model discloses a rack and servo motor's cooperation to adopt telescopic rack, can effectively prolong working stroke. Through nylon gear drive between servo motor and the rack, when effectively reducing the noise, improved coefficient of wear-resisting greatly, increase of service life.

Description

Overlength silence triaxial arm mechanism

Technical Field

The utility model relates to an arm mechanism, concretely relates to overlength silence triaxial arm mechanism belongs to intelligent storage and unmanned technical field of selling goods.

Background

Present cross slip table adopts ball screw structure for the most part, however ball screw speed is slow, and current screw speed is generally all at 50 ~ 100mm, and the stroke is short, and the stroke is within 2500mm to avoid great noise in the course of the work, satisfy ever-increasing fast rhythm life that can not be fine. Therefore, there is a need for a high speed, long stroke, low noise slide table.

SUMMERY OF THE UTILITY MODEL

The utility model aims at: the provided super-long silent three-axis mechanical arm mechanism is high in speed, long in stroke and capable of effectively reducing noise.

In order to realize the technical purpose, the utility model discloses a technical scheme as follows: an ultralong mute three-axis mechanical arm mechanism comprises a track profile, wherein a linear guide rail is fixedly connected in the track profile; a transmission rack is arranged on the inner side of the linear guide rail; one side of the track profile is provided with a driving part; a nylon transmission gear is arranged on an output shaft of the driving part; the nylon transmission gear is meshed with the transmission rack; a linear sliding block is arranged on the transmission rack; the linear sliding block is propped against the supporting platform.

The driving part is a servo motor; the linear guide rail is fixed on the rail section bar through an M8 hexagon socket head cap screw; the transmission rack is vertically connected to the inner side of the linear guide rail through an M8 hexagon socket head cap screw; the rack is a telescopic rack.

The whole tray table translates in the linear guide rail through transmission between the servo motor and the rack.

Preferably, the linear sliding block is connected with a fixed seat; the servo motor is arranged on the fixed seat.

The servo motor is arranged in the fixed seat, moves synchronously with the whole tray table and translates on the guide rail through the linear slide block.

Preferably, the output shaft of the servo motor is vertically arranged relative to the track profile; the servo motor is connected with an automatic control system.

Preferably, the rail section bar is made of high-strength aluminum-magnesium alloy; the cross-sectional area of the rail profile is greater than 180 square millimeters.

The larger cross-sectional area makes the entire profile and the linear guide inside it more stable.

Preferably, the bottom of the driving part is provided with a fixed base; and a front end baffle and a rear end baffle are respectively arranged at two ends of the track profile.

Preferably, an organ type protective cover is arranged at the upper part of the front end baffle.

Preferably, the side edge of the track profile is provided with a drag chain; and the bottom of the track section bar is provided with a drag chain fixing groove.

Since the servo motor needs to move synchronously with the pallet and cannot be in a fixed position, its control cable needs to be placed in the pallet chain to prevent twisting.

The utility model discloses a rack and servo motor's cooperation to adopt telescopic rack, can effectively prolong working stroke. Through nylon gear drive between servo motor and the rack, when effectively reducing the noise, improved coefficient of wear-resisting greatly, increase of service life.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a top view of the present invention.

In the figure, 1 is a track section bar, 2 is a supporting platform, 3 is a linear guide rail, 4 is a transmission rack, 5 is a linear sliding block, 6 is a nylon transmission gear, 7 is a servo motor, 8 is an inner hexagon bolt, 9 is a fixed seat, 10 is a front end baffle, 11 is a rear end baffle, 12 is an organ type protective cover, 13 is a drag chain, and 14 is a drag chain fixing groove.

Detailed Description

The terms and words used in the following specification and claims are not limited to the literal meanings, but are used only by the person of the invention to enable a clear and consistent understanding of the invention. Accordingly, it will be apparent to those skilled in the art that the following descriptions of the various embodiments of the present invention are provided for illustration only and not for the purpose of limiting the invention as defined by the appended claims and their equivalents.

It is understood that the terms "a" and "an" should be interpreted as meaning that a number of one element or element is one in one embodiment, while a number of other elements is one in another embodiment, and the terms "a" and "an" should not be interpreted as limiting the number. While ordinal numbers such as "first," "second," etc., will be used to describe various components, those components are not limited herein. The term is used only to distinguish one element from another. For example, a first component could be termed a second component, and, similarly, a second component could be termed a first component, without departing from the teachings of the present inventive concept. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items. The terminology used herein is for the purpose of describing various embodiments only and is not intended to be limiting. As used herein, the singular forms are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, numbers, steps, operations, components, elements, or combinations thereof, but do not preclude the presence or addition of one or more other features, numbers, steps, operations, components, elements, or groups thereof.

Terms used herein, including technical and scientific terms, have the same meaning as terms commonly understood by one of ordinary skill in the art, unless otherwise defined. It will be understood that terms defined in commonly used dictionaries have meanings that are consistent with their meanings in the prior art.

Referring to fig. 1-2, an ultralong silent three-axis mechanical arm mechanism comprises a track profile 1 and a supporting platform 2, wherein a linear guide rail 3 is fixedly connected in the track profile 1; a transmission rack 4 is arranged on the inner side of the linear guide rail 3; the bottom of the supporting table 2 is provided with a driving part; a linear sliding block 5 is arranged between the support table 2 and the linear guide rail 3; a nylon transmission gear 6 is arranged on an output shaft of the driving part; the nylon transmission gear 6 is meshed with the transmission rack 4; the saddle 2 is horizontally displaced relative to the linear guide rail 3.

Specifically, the linear guide rail 3 is made of Japanese THK, the precision is higher, the linear guide rail is more durable, the surface of the rack is quenched by high frequency and becomes more wear-resistant, and the connecting gear is made of nylon materials, so that the purpose of reducing noise is achieved.

Furthermore, the driving part is a servo motor 7; the linear guide rail 3 is fixed on the track section bar 1 through an inner hexagon bolt 8; the transmission rack 4 is vertically connected to the inner side of the linear guide rail 3 through an inner hexagon bolt 8; the transmission rack 4 is a telescopic rack.

Specifically, in the present embodiment, the linear guide 3 is fixed on the track profile 1 by M8 hexagon socket head cap screw, and the transmission rack 4 is fixed on the linear guide 3 by M6 hexagon socket head cap screw, and the hexagon socket head cap screw is matched with the T-shaped nut.

Furthermore, the linear sliding block 5 is connected with a fixed seat 9; the servo motor 7 is arranged on the fixed seat 9.

Specifically, the servo motor 7 drives the nylon transmission gear 6 to rotate at a high speed, and the gear is meshed with the rack to drive the servo motor, the fixed seat and the whole supporting table to translate on the linear sliding rail.

Furthermore, an output shaft of the servo motor 7 is vertically arranged relative to the track profile 1; the servo motor 7 is connected with an automatic control system.

Further, the track section bar 1 is made of high-strength aluminum-magnesium alloy; the cross-sectional area of the rail profile 1 is greater than 180 square millimeters.

Furthermore, a front end baffle 10 and a rear end baffle 11 are respectively arranged at two ends of the track profile 1.

Furthermore, an organ type protective cover 12 is arranged on the upper part of the front end baffle 10.

Further, the side edge of the track profile 1 is provided with a drag chain 13; the bottom of the track section bar 1 is provided with a drag chain fixing groove 14.

The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may 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 (8)

1. The utility model provides an overlength silence triaxial arm mechanism, includes track section bar (1) and saddle (2), its characterized in that: a linear guide rail (3) is fixedly connected in the track section bar (1); a transmission rack (4) is arranged on the inner side of the linear guide rail (3); the bottom of the supporting table (2) is provided with a driving part; a linear sliding block (5) is arranged between the support table (2) and the linear guide rail (3); a nylon transmission gear (6) is arranged on an output shaft of the driving part; the nylon transmission gear (6) is meshed with the transmission rack (4); the supporting platform (2) is horizontally displaced relative to the linear guide rail (3).

2. The ultra-long mute three-axis robot arm mechanism of claim 1, wherein: the driving part is a servo motor (7); the linear guide rail (3) is fixed on the track profile (1) through an inner hexagon bolt (8); the transmission rack (4) is vertically connected to the inner side of the linear guide rail (3) through an inner hexagon bolt (8); the transmission rack (4) is a telescopic rack.

3. The ultra-long mute three-axis robot arm mechanism of claim 2, wherein: the linear sliding block (5) is connected with a fixed seat (9); the servo motor (7) is arranged on the fixed seat (9).

4. The ultra-long mute three-axis robot arm mechanism of claim 2, wherein: an output shaft of the servo motor (7) is vertically arranged relative to the track profile (1); the servo motor (7) is connected with an automatic control system.

5. The mechanism of claim 4, wherein: the track section bar (1) is made of high-strength aluminum-magnesium alloy; the cross-sectional area of the rail profile (1) is greater than 180 square millimeters.

6. The ultra-long mute three-axis robot arm mechanism of claim 1, wherein: the rail section bar is characterized in that a front end baffle (10) and a rear end baffle (11) are respectively arranged at two ends of the rail section bar (1).

7. The mechanism of claim 6, wherein: an organ type protective cover (12) is arranged at the upper part of the front end baffle (10).

8. The ultra-long mute three-axis robot arm mechanism of claim 1, wherein: the side edge of the track profile (1) is provided with a drag chain (13); the bottom of the track section bar (1) is provided with a drag chain fixing groove (14).

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