CN217406319U

CN217406319U - Double-guide-rail linear module

Info

Publication number: CN217406319U
Application number: CN202221101018.7U
Authority: CN
Inventors: 罗元强; 李交贤; 蒲志国; 张光平
Original assignee: Sichuan Hemosheng Technology Co ltd
Current assignee: Sichuan Hemosheng Technology Co ltd
Priority date: 2022-05-09
Filing date: 2022-05-09
Publication date: 2022-09-09
Anticipated expiration: 2032-05-09

Abstract

The application provides a double-guide-rail linear module, and relates to the field of mechanical transmission devices. It is including connecting the motor on the base, ball screw that one end and motor drive are connected, wear to establish the slip table on ball screw, parallel and connect the guide rail on the base and connect in the tailboard of the ball screw other end with ball screw, above-mentioned guide rail is two, and two above-mentioned guide rail symmetries set up in above-mentioned ball screw both sides, and two sliders are connected to above-mentioned slip table below, and two above-mentioned sliders all are provided with joint portion, above-mentioned joint portion and above-mentioned guide rail looks adaptation. This application can increase the stability of module in operation process, improves load capacity.

Description

Double-guide-rail linear module

Technical Field

The application relates to the technical field of mechanical transmission devices, in particular to a double-guide-rail linear module.

Background

The ball screw linear sliding table module is a universal element for converting rotary motion into linear motion, has the characteristics of high repeated positioning precision, small reverse clearance and long service life, and is widely applied to industries such as cutting, carving, marking and carrying. However, at present, a single-guide-rail linear module is mostly adopted, the load capacity of the single-guide-rail linear module is limited, and the single-guide-rail linear module is easy to shake when the load and the size are overlarge, so that the positioning precision is influenced.

SUMMERY OF THE UTILITY MODEL

An object of this application is to provide a two guide rail straight line module, and it can increase the stability of module in the operation process, improves load capacity.

The embodiment of the application is realized as follows:

the embodiment of the application provides a double-guide-rail linear module, it is including connecting the motor on the base, the ball screw that one end and motor drive are connected, wear to establish the slip table on the ball screw, parallel and connect the guide rail on the base and connect in the tailboard of the ball screw other end with ball screw, above-mentioned guide rail is two, two above-mentioned guide rail symmetries set up in above-mentioned ball screw both sides, two sliders are connected to above-mentioned slip table below, two above-mentioned sliders all are provided with joint portion, above-mentioned joint portion and above-mentioned guide rail looks adaptation.

The application provides a two guide rail linear module comprises base, motor, ball screw, slip table, guide rail and tailboard. Wherein two guide rails are fixed on two sides of the base, the motor is connected with one end of the ball screw in a transmission way and then arranged on the base, and the other end of the ball screw is connected on the tail plate. Still wear to be equipped with in the middle of the ball screw and follow the slip table that ball screw freely removed, set up two sliders that can move along the guide rail on both sides on the base under the slip table. According to this kind of structure, the double-guide-rail linear module of this application can let the slip table be reciprocating motion under the effect that ball screw is driven by the motor, and the slider under the slip table can guarantee the stability and the balance of slip table motion along the guide rail block on both sides, reduces and rocks, guarantees positioning accuracy, sets up two guide rails and matched with slider and supports the slip table, can also let the bearing capacity of slip table increase, improves its work efficiency.

In some embodiments of the present application, a flange is disposed through the connection end of the motor and the ball screw, and the flange is connected to the motor.

The flange is provided with holes, the flanges are sealed by gaskets, the rotating part of the motor penetrates through the through hole on the flange to be connected to the ball screw, the motor and the flange are fixed by bolts, the flange fixed with the motor is integrally fixed on the base by the bolts, and the structure is beneficial to reducing the vibration caused by the working of the motor and ensuring the stability of the sliding table in working.

In some embodiments of the present application, the sliding table is connected to the two sliding blocks through bolts.

The sliding table and the sliding block are fixed through bolts, so that the sliding table is convenient to disassemble, is more convenient to overhaul and replace, and can save replacement cost.

In some embodiments of the application, above-mentioned ball screw pass through the nut with the slip table is connected, the nut is the screw flange, the screw flange wear to locate on the ball screw with slip table interconnect.

The sliding table is connected with the ball screw through the nut, the nut is in a threaded flange mode, the structure is similar to the function of the flange, the stability of the sliding table in operation can be guaranteed, the damping effect is achieved, the threaded flange is arranged at the position, and the damping effect is better.

In some embodiments of the present application, the ball screw is coupled to the motor through a bearing assembly.

The bearing assembly is additionally arranged at the position where the motor is connected with the ball screw, so that the overload protection effect can be achieved, the ball screw is supported, the pressure of the end connected with the motor is reduced, and the motor protection effect is achieved.

In some embodiments of the present application, the bearing assembly includes a shaft coupling and a bearing seat, the shaft coupling is in transmission connection with the motor and between the ball screws, and the bearing seat is arranged on the ball screws in a penetrating manner and is connected with the base.

The coupling is a device for connecting two shafts or a shaft and a rotating part, rotating together in the process of transmitting motion and power and not separating under normal conditions. Sometimes, the bearing seat is also used as a safety device to prevent the connected machine part from bearing overlarge load, so that the overload protection effect is achieved, and the bearing seat can support the coupler and the ball screw, so that the ball screw can stably run when the motor rotates under the action of the motor.

In some embodiments of the present application, the guide rail is disposed between the bearing seat and the tail plate, and a gap is provided between the guide rail and the bearing seat and between the guide rail and the tail plate.

The design of keeping away the sky has been added to the bearing frame here, lets the guide rail set up between bearing frame and tailboard, and all leaves certain clearance between guide rail and the bearing frame and between guide rail and the tailboard, and this kind of design is in order to guarantee that the slip table increases the effective stroke of module under the unchangeable condition of working distance total length.

In some embodiments of this application, above-mentioned bearing frame with at least one in the tailboard is provided with the blotter, the blotter set up in the bearing frame with the tailboard one side in opposite directions is used for the butt the slip table.

The cushion pad arranged on the bearing seat or the tail plate can protect the sliding table which reciprocates between the bearing seat and the tail plate.

In some embodiments of the present application, the cushion pad is plural.

The cushion pad sets up a plurality ofly, and the guard action to reciprocating motion slip table is big more.

In some embodiments of the present application, a plurality of the above-mentioned cushions are symmetrically disposed with the ball screw as a central axis.

Set up the blotter symmetry and can help balanced bearing frame or the striking strength that the tailboard received, guarantee slip table even running.

Compared with the prior art, the embodiment of the application has at least the following advantages or beneficial effects:

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.

Fig. 1 is a schematic view of an overall structure of a dual-rail linear module according to an embodiment of the present application;

FIG. 2 is a schematic structural diagram of a slider according to an embodiment of the present application;

FIG. 3 is a schematic diagram of an overall structure of a dual-rail linear module according to an embodiment of the present application;

FIG. 4 is a top view of the dual rail linear module of the present application;

FIG. 5 is a side view of a dual track linear module according to an embodiment of the present application;

fig. 6 is an exploded view of a dual rail linear module according to an embodiment of the present application.

Icon: 1-motor, 2-ball screw, 3-sliding table, 4-tail plate, 5-guide rail, 6-base, 7-nut, 8-bearing seat, 9-coupling, 10-sliding block, 11-flange and 12-buffer pad.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the embodiments of the present application, it should be noted that if the terms "upper", "lower", "inner", "outer", etc. are used for indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings or the orientation or positional relationship which is usually placed when the products of the present invention are used, the description is only for convenience and simplicity, but the indication or suggestion that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be interpreted as limiting the present application.

In the description of the embodiments of the present application, "a plurality" means at least 2.

In the description of the embodiments of the present application, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed," "connected," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as the case may be.

Examples

The embodiment provides a double-guide-rail linear module, it is including connecting motor 1 on base 6, ball screw 2 that one end and motor 1 transmission are connected, wear to establish slip table 3 on ball screw 2, be parallel with ball screw 2 and connect guide rail 5 on base 6 and connect in the tailboard 4 of the 2 other ends of ball screw, above-mentioned guide rail 5 is two, two 5 symmetries of above-mentioned guide rail set up in above-mentioned ball screw 2 both sides, two slider 10 are connected to above-mentioned 3 below of slip table, two above-mentioned slider 10 all are provided with joint portion, above-mentioned joint portion and 5 looks adaptations of above-mentioned guide rail.

Referring to fig. 1 and 3, the overall structure of the dual-rail linear module is schematically shown, and the dual-rail linear module is composed of a base 6, a motor 1, a ball screw 2, a sliding table 3, a guide rail 5 and a tail plate 4. Wherein, two guide rails 5 are fixed on both sides of the base 6, the motor 1 is connected with one end of the ball screw 2 in a transmission way and then arranged on the base 6, and the other end of the ball screw 2 is connected on the tail plate 4. A sliding table 3 which can freely move along the ball screw 2 is further arranged in the middle of the ball screw 2 in a penetrating mode, and two sliding blocks 10 which can move along the guide rails 5 on the two sides of the base 6 are arranged below the sliding table 3.

According to this kind of structure, the double-guide-rail linear module of this application can let slip table 3 be reciprocating motion under the effect that ball screw 2 was driven by motor 1, slider 10 under the slip table 3 can guarantee the stability and the balance of 3 motions of slip table along the 5 blocks of guide rail on both sides, reduces and rocks, guarantees positioning accuracy, sets up two guide rails 5 and matched with slider 10 and supports slip table 3, can also let the bearing capacity of slip table 3 increase, improves its work efficiency.

Referring to fig. 2 again, fig. 2 shows a schematic structural diagram of the sliding block 10, a through hole is formed in the sliding block 10 for being fixedly connected with the sliding table 3 through a bolt, and a clamping portion is arranged below the through hole for being matched with the guide rail 5 to enable the sliding table 3 connected to the two sliding blocks 10 to reciprocate along the extending direction of the guide rail 5.

The form of fixing slider 10 and slip table 3 each other through the bolt is for conveniently dismantling, and it is also more convenient when overhauing and replacing spare part, can also practice thrift and replace the cost.

Meanwhile, please refer to fig. 4 and 5, which respectively show a top view and a side view of the dual-rail linear module, wherein a flange 11 is arranged at the connection end of the motor 1 and the ball screw 2, a through hole is arranged in the middle of the flange 11, the flanges 11 are sealed by a gasket, the rotating part of the motor 1 is connected to the ball screw 2 by passing through the through hole on the flange 11, the motor 1 and the flange 11 are fixed by bolts, and then the flange 11 fixed with the motor 1 is integrally fixed on the base 6 by bolts.

A similar structure is provided at the junction of the slide table 3 and the ball screw 2, except that the flange 11 is provided here. Referring to fig. 6, the sliding table 3 is disposed on the ball screw 2 through a nut 7, wherein the nut 7 is a threaded flange, and the flange structure portion of the threaded flange is fixedly connected to the sliding table 3 through a bolt.

The threaded flange is arranged at the position to reduce vibration generated when the sliding table 3 moves and is impacted, and the stability of the sliding table 3 is ensured.

In addition, the double-guide-rail linear module provided by this embodiment further includes a bearing assembly at a connection portion between the motor 1 and the ball screw 2, so as to perform an overload protection function and support the ball screw 2, wherein the bearing assembly includes a coupling 9 and a bearing seat 8, the coupling 9 is in transmission connection between the motor 1 and the ball screw 2, the bearing seat 8 penetrates through the ball screw 2, and the lower end of the bearing seat is fixed on the base 6 through a bolt.

The coupling 9 is a device for coupling two shafts or a shaft and a rotating member to rotate together in the process of transmitting motion and power without separating under normal conditions. Sometimes, the bearing seat 8 can support the coupler 9 and the ball screw 2 to ensure that the ball screw 2 can stably run when the ball screw 2 rotates under the driving of the motor 1

Besides, this embodiment still utilizes bearing frame 8 and tailboard 4 to increase the design of keeping away the sky for guide rail 5, lets guide rail 5 set up between bearing frame 8 and tailboard 4, and all leaves certain clearance between guide rail 5 and the bearing frame 8 and between guide rail 5 and the tailboard 4, and this kind of design is in order to guarantee that slip table 3 increases the effective stroke of module under the unchangeable condition of working distance overall length.

Referring again to fig. 1 and 6, a plurality of cushion pads 12 are provided on the bearing housing 8 and the tail plate 4, the cushion pads 12 being provided on the facing surfaces of the bearing housing 8 and the tail plate 4 symmetrically with respect to the ball screw 2 for abutting against the slide table 3.

The cushion pad 12 is provided to relieve the impact force on the bearing seat 8 and the tail plate 4, and also protects the sliding table 3.

It should be noted that, as a preferred embodiment, when the dual-guide linear module in this example is used, the motor 1 needs to be started, after the motor 1 is started, the ball screw 2 can be driven to rotate through the coupler 9, so as to drive the sliding table 3 connected to the ball screw 2 through the nut 7 to make reciprocating linear motion, and an article to be transported can be loaded on the sliding table 3, wherein, under the sliding table 3, the sliding blocks 10 connected to the sliding table 3 are also operated on the guide rail 5 symmetrical with respect to the ball screw 2, the sliding blocks 10 on both sides play a role in supporting, protecting and limiting the sliding table 3, so that the sliding table 3 makes balanced and stable reciprocating along the extending direction of the guide rail 5, and also in the radial extending direction of the ball screw 2, and when the unidirectional operation is finished, the sliding table is abutted to the cushion 12 on the bearing seat 8 or the tail plate 4 once.

When the sliding block is not used, the sliding block can be detached, various parts are connected through bolts for maintenance and inspection, and the damaged sliding block 10 can be replaced.

In conclusion, the embodiment of this application provides a double-guide linear module, it is including connecting motor 1 on base 6, ball screw 2 that one end and motor 1 transmission are connected, wear to establish slip table 3 on ball screw 2, be parallel with ball screw 2 and connect guide rail 5 on base 6 and connect in the tailboard 4 of the ball screw 2 other end, above-mentioned guide rail 5 is two, two above-mentioned guide rail 5 symmetries set up in above-mentioned ball screw 2 both sides, two slider 10 are connected to above-mentioned 3 below of slip table, two above-mentioned slider 10 all are provided with joint portion, above-mentioned joint portion and above-mentioned guide rail 5 looks adaptation.

The whole body of the device consists of a base 6, a motor 1, a ball screw 2, a sliding table 3, a guide rail 5 and a tail plate 4. Wherein, two guide rails 5 are fixed on both sides of the base 6, the motor 1 is connected with one end of the ball screw 2 in a transmission way and then arranged on the base 6, and the other end of the ball screw 2 is connected on the tail plate 4. Still wear to be equipped with in the middle of ball screw 2 and follow ball screw 2 free movement's slip table 3, set up two sliders 10 that can move along the guide rail 5 on both sides on base 6 under the slip table 3. According to this kind of structure, the double-guide-rail linear module of this application can let slip table 3 be reciprocating motion under the effect that ball screw 2 was driven by motor 1, slider 10 under the slip table 3 can guarantee the stability and the balance of 3 motions of slip table along the 5 blocks of guide rail on both sides, reduces and rocks, guarantees positioning accuracy, sets up two guide rails 5 and matched with slider 10 and supports slip table 3, can also let the bearing capacity of slip table 3 increase, improves its work efficiency.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. The utility model provides a two guide rail linear module, is including connecting motor on the base, ball screw that one end and motor drive are connected, wearing to establish slip table on ball screw, parallel with ball screw and connect the guide rail on the base and connect in the tailboard of the ball screw other end, a serial communication port, the guide rail is two, two the guide rail symmetry set up in the ball screw both sides, two sliders are connected to the slip table below, two the slider all is provided with joint portion, joint portion with guide rail looks adaptation.

2. The dual-guide linear module as claimed in claim 1, wherein a flange is disposed at the connection end of the motor and the ball screw, and the flange is connected to the motor.

3. The double-guide-rail linear module of claim 1, wherein the sliding table is connected with the two sliding blocks through bolts.

4. The dual-guide linear module as claimed in claim 1, wherein the ball screw is connected to the sliding table through a nut, the nut is a threaded flange, and the threaded flange is inserted into the ball screw and connected to the sliding table.

5. The dual track linear module of any of claims 1-4, wherein the ball screw is coupled to the motor by a bearing assembly.

6. The dual-guide linear module as claimed in claim 5, wherein the bearing assembly comprises a shaft coupling and a bearing seat, the shaft coupling is connected between the motor and the ball screw in a transmission manner, and the bearing seat is inserted into the ball screw and connected with the base.

7. The dual rail linear module of claim 6, wherein the rail is disposed between the bearing housing and the tail plate with a gap between the rail and the bearing housing and a gap between the rail and the tail plate.

8. The dual-rail linear module of claim 7, wherein at least one of the bearing seat and the tail plate is provided with a cushion pad, and the cushion pad is arranged on the surface of the bearing seat opposite to the tail plate for abutting against the sliding table.

9. The dual track linear module of claim 8, wherein said cushion is plural.

10. The dual track linear module as set forth in claim 8, wherein the plurality of cushions are symmetrically disposed about the ball screw as a central axis.