CN213870976U

CN213870976U - V-shaped guide rail gear rack linear module

Info

Publication number: CN213870976U
Application number: CN202022655155.2U
Authority: CN
Inventors: 傅品富
Original assignee: Shenzhen Dm Robot Co ltd
Current assignee: Shenzhen Dm Robot Co ltd
Priority date: 2020-11-17
Filing date: 2020-11-17
Publication date: 2021-08-03
Anticipated expiration: 2030-11-17

Abstract

The utility model discloses a V-shaped guide rail gear rack linear module, which comprises a base, a rack fixed in the base, V-shaped guide rails fixed on two sides in the base and a sliding seat fixed on the V-shaped guide rails in a sliding way; side bearing plates are arranged on two sides of the sliding seat, and a plurality of V-shaped rollers matched with the V-shaped guide rails are arranged on the side bearing plates; the sliding seat is provided with a gear motor, a rotating shaft of the gear motor is provided with a gear matched with the rack, and the motor is used for driving the sliding seat.

Description

V-shaped guide rail gear rack linear module

Technical Field

The utility model relates to a linear electric motor module field specifically is a V type guide rail rack and pinion sharp module.

Background

The linear module is used as load equipment for converting the circular motion of the motor into the linear reciprocating motion, and is characterized by high single body motion speed, high repeated positioning precision, light body weight, small equipment space occupation and long service life; the device is mainly applied to photovoltaic equipment, loading and unloading manipulators, cutting and moving equipment, gluing equipment, surface mounting equipment and the like.

At present, the guide rail that most of straight line modules on the market adopted is linear rolling guide rail, and service environment is indoor or the environment of no dust pollution thing, if at some rugged environment then can't satisfy the user demand.

Disclosure of Invention

The invention aims to provide a V-shaped guide rail gear rack linear module suitable for severe use environments and large loads.

The utility model provides a technical scheme as follows that above-mentioned technical problem took:

a V-shaped guide rail gear rack linear module comprises a base, a rack fixed in the base, V-shaped guide rails fixed on two sides in the base and a sliding seat fixed on the V-shaped guide rails in a sliding mode; side bearing plates are arranged on two sides of the sliding seat, and a plurality of V-shaped rollers matched with the V-shaped guide rails are arranged on the side bearing plates; the sliding seat is provided with a gear motor, a rotating shaft of the gear motor is provided with a gear matched with the rack, and the motor is used for driving the sliding seat.

Furthermore, the V-shaped roller comprises a concentric wheel and an eccentric wheel, the concentric wheel and the V-shaped guide rail are matched to bear load, and the eccentric wheel is used for adjusting pretightening force.

Furthermore, the base both ends are equipped with the end plate, two the opposite face of end plate is equipped with the crashproof pad.

Furthermore, the included angle of the V-shaped groove of the V-shaped roller is 90 degrees.

Furthermore, a dustproof rubber ring is arranged at the bearing of the V-shaped roller.

Furthermore, a photoelectric switch is arranged on the outer side of the base, and an induction sheet corresponding to the photoelectric switch is arranged on the sliding seat.

By applying the technical scheme of the utility model, the transmission mode of the gear and rack matching has larger transmission load compared with the lead screw, has smaller requirement on the working environment, has stable structure and is not easy to break down; the contact between the V-shaped roller and the V-shaped guide rail is two lines forming a 90-degree V-shaped angle, and the two lines are obliquely crossed with the central axis of the roller and rotate around the roller at a high speed; the contact between the two wires and the V-shaped guide rail surface belongs to instantaneous contact, and the two wires approach the guide rail surface at a high speed, are in instantaneous contact and then leave at a high speed; in this way, the guide rail surface is continuously scraped through the line of the V-shaped roller, so that the cleaning of the guide rail surface can be well ensured, and the V-shaped guide rail has a self-cleaning function; the rolling body in the bearing of the V-shaped roller is not contacted with the guide rail surface of the V-shaped guide rail, and pollutants on the guide rail are not in direct contact with the rolling body; meanwhile, the bearing has good sealing performance, and pollutants are prevented from entering the interior of the roller bearing and contacting the roller body and polluting lubricating grease.

Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and drawings.

Drawings

The present invention will be described in detail with reference to the accompanying drawings so that the above advantages of the present invention can be more clearly understood.

Fig. 1 is a schematic view of the V-shaped guide rail rack-and-pinion linear module of the present invention.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "secured" are to be construed broadly and can, for example, be connected or detachably connected or integrated; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

As shown in fig. 1, a V-shaped guide rail gear rack linear module includes a base 100, a rack 200 fixed in the base 100, V-shaped guide rails 300 fixed at two sides in the base 100, and a sliding seat 400 slidably fixed on the V-shaped guide rails 300; two sides of the sliding seat 400 are provided with side bearing plates 401, and the side bearing plates 401 are provided with a plurality of V-shaped rollers 500 matched with the V-shaped guide rails 300; the sliding seat 400 is provided with a speed reducing motor 600, a gear 601 matched with the rack 200 is arranged on a rotating shaft of the speed reducing motor 600, and the motor is used for driving the sliding seat 400. Compared with a screw rod transmission mode, a transmission mode of matching the gear 601 and the rack 200 has larger load, smaller requirement on working environment and stable structure and is not easy to break down; the rolling of the V-shaped roller 500 on the V-shaped guide rail 300 has faster linear speed and lower noise; the V-shaped guide technology enables the V-shaped roller 500 to scrape impurities such as dust and cutting scraps from the surface of the V-shaped guide rail 300 through scraping movement, so that the surface of the V-shaped guide rail 300 is kept clean, and the V-shaped roller 500 is quite suitable for being used in a severe environment; therefore, the precision requirement on the installation reference surface is greatly reduced, and the assembly is time-saving and labor-saving.

In this embodiment, the V-roller 500 includes a concentric wheel and an eccentric wheel, the concentric wheel and the V-rail 300 are matched to bear the load, and the eccentric wheel is used to adjust the pretightening force. The sliding seat 400 is provided with the plurality of V-shaped rollers 500, and all the V-shaped rollers 500 are ensured to be on the same straight line, namely all the V-shaped rollers 500 are ensured to bear load, so that all the V-shaped rollers 500 are required to be accurately adjusted, the pretightening force is adjusted through the eccentric wheel, the eccentric wheel is adjusted, and all the V-shaped rollers 500 are ensured to be positioned on the same horizontal plane, so that the requirement of assembly gaps of all parts is met, and the operation precision of the equipment is improved.

In this embodiment, the two ends of the base 100 are provided with the end plates 101, and the opposite surfaces of the two end plates 101 are provided with crash pads 700. The crash pad 700 prevents the sliding seat 400 from directly colliding with the end plate 101, and is used for absorbing shock and energy and protecting the sliding seat.

In this embodiment, the V-groove included angle of the V-shaped roller 500 is 90 °. The contact of the V-shaped roller 500 and the V-shaped guide 300 is two lines forming a 90 ° V-shaped angle, which are obliquely crossed with the central axis of the roller and rotate around it at a high speed; the contact between the two wires and the surface of the V-shaped guide rail 300 belongs to instantaneous contact, and the two wires approach to the surface of the guide rail at a high speed, contact instantaneously and leave at a high speed; in this way, the guide surface is continuously scraped by the line of the V-shaped roller 500, and the cleaning of the guide surface can be well ensured.

In this embodiment, a dustproof rubber ring is disposed at the bearing of the V-shaped roller 500. The rolling bodies-steel balls or tapered rollers in the bearing of the V-shaped roller 500 are not contacted with the guide rail surface of the V-shaped guide rail 300, and pollutants on the guide rail are not in direct contact with the rolling bodies; meanwhile, the bearing has good sealing performance, and pollutants are prevented from entering the interior of the roller bearing and contacting the roller body and polluting lubricating grease.

In this embodiment, a photoelectric switch is disposed outside the base 100, and an induction sheet corresponding to the photoelectric switch is disposed on the sliding seat 400. The relative position of the sliding seat 400 is monitored through a switch, so that the purpose of limiting the stroke of the sliding seat 400 is achieved.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A V-shaped guide rail gear rack linear module is characterized by comprising a base (100), a rack (200) fixed in the base (100), V-shaped guide rails (300) fixed on two sides in the base (100) and sliding seats (400) fixed on the V-shaped guide rails (300) in a sliding manner; two sides of the sliding seat (400) are provided with side bearing plates (401), and the side bearing plates (401) are provided with a plurality of V-shaped rollers (500) matched with the V-shaped guide rails (300); be equipped with gear motor (600) on sliding seat (400), be equipped with in the pivot of gear motor (600) with rack (200) complex gear (601), the motor is used for driving sliding seat (400).

2. The V-track rack and pinion linear module as set forth in claim 1 wherein said V-rollers (500) comprise concentric wheels and eccentric wheels, said concentric wheels and V-track (300) cooperating to bear the load, said eccentric wheels being used to adjust the pretension.

3. The V-shaped guide rail gear rack linear module as claimed in claim 1, wherein two ends of the base (100) are provided with end plates (101), and the opposite surfaces of the two end plates (101) are provided with crash pads (700).

4. The V-shaped rail rack and pinion linear module as claimed in claim 1, characterized in that the V-shaped groove angle of the V-shaped roller (500) is 90 °.

5. The V-shaped guide rail gear rack linear module as claimed in claim 1, wherein a dustproof rubber ring is arranged at a bearing of the V-shaped roller (500).

6. The V-shaped guide rail gear rack linear module according to claim 1, wherein a photoelectric switch is arranged on the outer side of the base (100), and an induction sheet corresponding to the photoelectric switch is arranged on the sliding seat (400).