CN216045276U

CN216045276U - Straight line module

Info

Publication number: CN216045276U
Application number: CN202122404884.5U
Authority: CN
Inventors: 强鸿枭
Original assignee: Foshan Nanhai Jingying Machinery Co ltd
Current assignee: Foshan Jingying Intelligent Equipment Co ltd
Priority date: 2021-09-30
Filing date: 2021-09-30
Publication date: 2022-03-15
Anticipated expiration: 2031-09-30

Abstract

The utility model discloses a linear module, which comprises a base and a sliding table, wherein the base comprises an installation groove, and bosses are arranged at two ends of the installation groove; a driving motor, a bearing supporting seat and a screw rod are arranged in the mounting groove, one end of the screw rod is connected with the driving motor, and the other end of the screw rod is rotatably connected with the bearing supporting seat; the boss is provided with a linear rail, the linear rail is provided with a sliding block, the sliding block is fixedly connected with the sliding table, the sliding table is also internally provided with a nut, and the nut is in threaded connection with the screw rod; the driving motor comprises a main shaft, a mounting hole is formed in the front end of the main shaft, and the screw rod is fixed in the mounting hole. The direct-connection direct-drive type linear motor disclosed by the utility model directly drives the screw rod to rotate by utilizing the main shaft of the driving motor, the direct-connection direct-drive type linear motor has high precision and good rigidity, the thrust output can be increased, and the cost advantage is superior to that of a module assembled by a linear motor.

Description

Straight line module

Technical Field

The utility model relates to the technical field of load equipment, in particular to a linear module.

Background

The linear module has several kinds of calling, and linear module, cartesian robot, sharp slip table etc. are the automatic upgrading unit that continues linear guide, linear motion module, ball screw linear transmission mechanism, can realize the straight line, the curvilinear motion of load through the combination of each unit, make the automation of light load more nimble, the location is more accurate.

The use of linear modules is already very widespread, in particular the linear modules driven by a screw have the largest market share, but the modules of this type have low precision and poor rigidity, and cannot replace the feed shaft of a cutting machine to achieve precise feeding except for the movements of part grabbing and light-load machining in automatic equipment.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is as follows: it is an object of the present invention to provide a linear module, which solves one or more of the problems of the prior art and provides at least one advantageous option or creation.

The solution of the utility model for solving the technical problem is as follows: a linear module comprises a base and a sliding table, wherein the base comprises a mounting groove, and bosses are arranged at two ends of the mounting groove; a driving motor, a bearing supporting seat and a screw rod are arranged in the mounting groove, one end of the screw rod is connected with the driving motor, and the other end of the screw rod is rotatably connected with the bearing supporting seat; the boss is provided with a linear rail, the linear rail is provided with a sliding block, the sliding block is fixedly connected with the sliding table, the sliding table is also internally provided with a nut, and the nut is in threaded connection with the screw rod; the driving motor comprises a main shaft, a mounting hole is formed in the front end of the main shaft, and the screw rod is fixed in the mounting hole.

The utility model has the beneficial effects that: the direct-connection direct-drive type linear motor disclosed by the utility model directly drives the screw rod to rotate by utilizing the main shaft of the driving motor, the direct-connection direct-drive type linear motor has high precision and good rigidity, the thrust output can be increased, and the cost advantage is superior to that of a module assembled by a linear motor.

The linear module can be easily and quickly assembled into a new machine tool, can almost completely replace some small processing machines (small lathes and engraving and milling machines), and has great advantages in the aspect of special machine combination.

As a further improvement of the technical scheme, the front end of the main shaft is also provided with a locking sleeve, and the screw rod is fixedly connected with the main shaft through the locking sleeve. Through increasing the lock sleeve, the main shaft and the lead screw are connected more firmly and reliably.

As a further improvement of the above technical solution, the front end of the mounting hole includes an opening, the opening is in a trumpet shape, and the inner diameter of the opening gradually increases from back to front; the locking sleeve comprises a plurality of clamping jaws, through holes are formed between the clamping jaws, the front end of the screw rod penetrates through the through holes, and the outer end faces of the clamping jaws are abutted to the inner walls of the openings. By radially extruding the locking sleeve, the locking sleeve is clamped closer to the screw rod under the action of the opening.

As a further improvement of the technical scheme, the boss is further provided with a pressing plate, and the pressing plate is abutted to the linear rail. Through increasing the clamp plate for the installation accuracy of line rail is higher, improves the removal precision of slip table.

As a further improvement of the technical scheme, the pressing plate is also provided with a connecting groove. Through the connecting groove, can increase protective structure for the line rail, for example the protection casing etc. avoids the line rail to receive the influence of dust when work.

As a further improvement of the technical scheme, two sides of the base are provided with connecting wings, and a plurality of through holes are formed in the connecting wings.

Drawings

In order to more clearly illustrate the technical solution in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. It is clear that the described figures are only some embodiments of the utility model, not all embodiments, and that a person skilled in the art can also derive other designs and figures from them without inventive effort.

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

fig. 2 is a sectional view of the driving motor of the present invention;

fig. 3 is a front view of the present invention.

Detailed Description

The conception, the specific structure, and the technical effects produced by the present invention will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the features, and the effects of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and those skilled in the art can obtain other embodiments without inventive effort based on the embodiments of the present invention, and all embodiments are within the protection scope of the present invention. The drawings illustrate a preferred embodiment of the utility model and, together with the description, serve to complement the description with figures so that the person may visually and vividly understand each and every feature and every technical solution of the utility model, but are not to be construed as limiting the scope of the utility model.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions. Meanwhile, all technical characteristics in the utility model can be interactively combined on the premise of not conflicting with each other.

Referring to fig. 1 to 3, a linear module includes a base 100, the middle of the base 100 includes a mounting groove 110, raised bosses 120 are disposed at two ends of the mounting groove 110, and connection wings 130 are disposed at two sides of the base 100, and a plurality of through holes 131 are disposed in the connection wings 130. The front and rear ends of the mounting groove 110 are provided with mounting blocks 111 therein. Driving motor 200 is installed to the one end of mounting groove 110, and bearing supporting seat 300 is installed to the other end, driving motor 200 and bearing supporting seat 300 all fixed mounting on installation piece 111. A screw rod 400 is arranged between the driving motor 200 and the bearing support base 300, one end of the screw rod 400 is in driving connection with the driving motor 200, and the other end is in rotating connection with the bearing support base 300. The screw rod 400 is connected with a nut in a threaded manner. Two all be equipped with line rail 500 on the boss 120, slide on the line rail 500 and be equipped with slider 510. Still include slip table 600, the nut is fixed to be set up on the slip table 600, surely the slider 510 also with slip table 600 fixed connection. Specifically, be provided with connecting portion 610 on the slip table 600, the nut is fixed in the connecting portion, slider 510 have 4, all have two sliders 510 on every linear rail 500.

Therefore, when the driving motor 200 drives the screw rod 400 to rotate, the sliding table 600 can be moved back and forth, and the mechanism mounted on the sliding table 600 can realize linear motion.

Referring to fig. 2, the driving motor 200 is different from a conventional servo motor, and the driving motor 200 of the present embodiment includes a main shaft 210, a mounting hole 211 is formed at a front end of the main shaft 210, and the screw rod 400 is fixed in the mounting hole 211.

Meanwhile, the driving motor 200 comprises a casing 220, a stator and a rotor are arranged in the casing 220, the main shaft 210 is fixedly connected with the rotor, bearings are arranged at the front end and the rear end of the casing 220, and the main shaft 210 is connected with the bearings. Meanwhile, the front end of the main shaft 210 is further provided with a locking sleeve 230, and the locking sleeve 230 is sleeved in the mounting hole 211. Meanwhile, the locking sleeve 230 includes a plurality of jaws 231 arranged in a ring shape, through holes are formed between all the jaws 231, the front end of the screw rod 400 passes through the through holes, and the outer end surfaces of the jaws 231 are abutted to the inner wall of the opening. Simultaneously, the front end of mounting hole 211 includes the opening, the opening is tubaeform, the opening is from the back to preceding internal diameter crescent.

When the screw rod 400 is used, the locking sleeve 230 is firstly loosened, and then the screw rod 400 penetrates through the locking sleeve 230 and then penetrates into the mounting hole 211. Preferably, the mounting hole 211 is a blind hole, which facilitates positioning in the axial direction. After the screw rod 400 is installed in place, the locking sleeve 230 is continuously inserted into the installation hole 211 by tightening the screw on the locking sleeve 230, and the jaws 231 are continuously retracted inwards while the locking sleeve 230 is continuously inserted due to the flared opening, so that the screw rod 400 is firmly connected with the main shaft 210.

This sharp module is directly connected with the lead screw through foraminiferous main shaft, and the precision of output linear motion is very high, and the high-accuracy high rigid ultra-precision module just can be formed to the good linear rail of cooperation rigidity and the good base of rigidity. The module can completely replace a linear feed shaft assembly of a precision machine tool and can completely serve as a feed shaft of a cutting machine tool. The precision module is very convenient for constructing special processing machines. No matter do the drilling of unipolar and attack tooth machine, biax lathe, triaxial milling machine all very convenient, can also tear down the module and make up into other types's special plane again after a certain special plane exhausts, can let accurate lathe can the rapid Assembly really, and this is that other types ' straight line module can't accomplish.

In a further preferred embodiment, a pressing plate 700 is further disposed on the boss 120, and the pressing plate 700 abuts against the wire rail 500. Referring to fig. 1, the pressing plate is substantially in an "i" shape, and the edge of the pressing plate can abut against the end surface of the linear rail 500, so that the installation accuracy of the linear rail 500 is higher, meanwhile, a connecting groove is formed between the straight edge of the pressing plate 700 and the upper and lower fixed edges, a plurality of connecting holes are formed in the connecting groove, and through the connecting groove, a protective structure, such as a protective cover or the like, can be added to the linear rail, so that the linear rail is prevented from being affected by dust during operation.

While the preferred embodiments of the present invention have been illustrated and described, it will be understood by those skilled in the art that the present invention is not limited to the details of the embodiments shown and described, but is capable of numerous equivalents and substitutions without departing from the spirit of the utility model as set forth in the claims appended hereto.

Claims

1. A straight line module, its characterized in that: the base comprises a mounting groove, and bosses are arranged at two ends of the mounting groove; a driving motor, a bearing supporting seat and a screw rod are arranged in the mounting groove, one end of the screw rod is connected with the driving motor, and the other end of the screw rod is rotatably connected with the bearing supporting seat; the boss is provided with a linear rail, the linear rail is provided with a sliding block, the sliding block is fixedly connected with the sliding table, the sliding table is also internally provided with a nut, and the nut is in threaded connection with the screw rod; the driving motor comprises a main shaft, a mounting hole is formed in the front end of the main shaft, and the screw rod is fixed in the mounting hole.

2. The line module of claim 1, wherein: the front end of the main shaft is also provided with a locking sleeve, and the screw rod is fixedly connected with the main shaft through the locking sleeve.

3. The line module of claim 2, wherein: the front end of the mounting hole comprises an opening, the opening is in a horn shape, and the inner diameter of the opening is gradually increased from back to front; the locking sleeve comprises a plurality of clamping jaws, through holes are formed between the clamping jaws, the front end of the screw rod penetrates through the through holes, and the outer end faces of the clamping jaws are abutted to the inner walls of the openings.

4. The line module of claim 1, wherein: and the boss is also provided with a pressing plate, and the pressing plate is abutted to the linear rail.

5. The line module of claim 4, wherein: the pressing plate is also provided with a connecting groove.

6. The line module of claim 1, wherein: the both sides of base are equipped with the connection wing, be equipped with a plurality of through-hole in the connection wing.