CN210999036U

CN210999036U - Linear driving mechanism

Info

Publication number: CN210999036U
Application number: CN201921965993.0U
Authority: CN
Inventors: 张雷
Original assignee: Suzhou Iste Automation Equipment Co ltd
Current assignee: Suzhou Iste Automation Equipment Co ltd
Priority date: 2019-11-14
Filing date: 2019-11-14
Publication date: 2020-07-14
Anticipated expiration: 2029-11-14

Abstract

The utility model discloses a linear driving mechanism, base station including the marble material, the base station has the surface and is a planar first loading end, be equipped with linear electric motor on the first loading end and with linear electric motor syntropy's linear guide, the last slip of linear guide is equipped with the loading board, the loading board links to each other with linear electric motor's active cell. The base station made of marble avoids the problems of wrinkling and bulging caused by temperature and humidity, and ensures the flatness of the platform surface on which the linear motor is placed; the linear motor is adopted for driving, and compared with the servo drive on the market, the linear motor has the advantages of fast corresponding time, small friction force, high precision and capability of fast repeated positioning.

Description

Linear driving mechanism

Technical Field

The utility model relates to a linear driving mechanism.

Background

The paper industry of moulding adopts the girdling machine to mould paper class product and cut, makes it need not additionally to set up the mould for traditional die-cut, reduces the die sinking time. The working platform of the traditional ring cutting machine is generally composed of a base platform made of iron or stainless steel, a three-dimensional transmission mechanism driven by a servo motor to drive a screw rod is placed on the base platform, and a cutting mechanism is driven to process a product. Although the structure can be used for processing and cutting products, the surfaces of the working platforms are easily slightly wrinkled and bulged to influence the cutting precision of the ring cutting machine due to the influence of temperature and humidity in the long-term use process. Meanwhile, the servo motor is in a transmission mode, and the overall response efficiency is low.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects, the utility model aims to provide a linear driving mechanism, which improves the whole response efficiency and ensures the transmission flatness of the linear driving mechanism.

In order to achieve the above purpose, the utility model discloses a technical scheme is: the utility model provides a linear driving mechanism, includes the base station of marble material, the base station has the surface and is a planar first loading face, be equipped with linear electric motor on the first loading face and with linear electric motor syntropy's linear guide, the last slip of linear guide is equipped with the loading board, the loading board links to each other with linear electric motor's active cell. The working table plate can be arranged on the bearing plate according to the requirement, and the jig is arranged on the working table plate.

Furthermore, the first bearing surface is provided with a limiting block for limiting the initial position and the final position of the bearing plate, so that the problem of over-range of the bearing plate in the moving process is avoided, and the method is also a protection measure for the linear motor.

Furthermore, the first bearing surface is provided with sensors corresponding to the initial position, the processing position and the final position, and the sensors are positioned on the same straight line and can be in contact with the metal sensing sheet below the bearing plate. The sensors of the initial position and the processing position limit the moving range of the bearing plate in an electrical mode, and the using range of the sensors does not exceed the limiting range of the limiting block in the actual using process. The processing position is set according to actual production needs, and stops when the bearing plate reaches the processing position, so that the equipment can conveniently process the upper part of the bearing plate.

Further, the linear motor is a coreless linear motor, and the linear guide rail is a mute linear guide rail, so that the noise generated by the mute linear guide rail is lower.

Further, the linear guide rail is provided with sliding blocks matched with the linear guide rail in a sliding mode, the sliding blocks are fixed with mounting plates, the upper end faces of the mounting plates are flush, and the mounting plates are fixedly arranged on the mounting plates. The bearing plate is made of marble. Through the design, the flatness of the bearing plate is guaranteed. When the surface of the worktable is a plane, the surface of the worktable is kept parallel to the surface of the base table, and the flatness of the worktable is high, which is also beneficial to the flatness of the worktable on the worktable.

Further, a grating or a magnetic grid which is in the same direction as the linear motor is arranged on the first bearing surface, and a reading head corresponding to the grating or the magnetic grid is arranged on the bearing plate. The reading head slides on the grating or the magnetic grating to sense the moving distance, so that the linear driving mechanism can accurately move.

Further, an organ type protective cover which covers the linear motor, the grating or the magnetic grating and the linear guide rail is arranged on the first bearing surface, and the organ type protective cover is fixedly connected with the bearing plate. The organ type protective cover is used for shielding the influence of external dust on the linear motor, the grating or the magnetic grating and the linear guide rail, and the precision of the organ type protective cover in the using process is improved. Especially grating or magnetic grating, to increase its effective service time.

Further, a first baffle and a second baffle which are fixed at two ends of the wind instrument type protective cover are arranged on the first bearing surface, and a first folded plate and a second folded plate which are placed at two side edges of the wind instrument type protective cover are further arranged on the first bearing surface.

Further, a tank chain in the same direction as the linear motor is arranged on the first bearing surface, and one end of the tank chain is fixedly connected with the bearing plate through a connecting piece.

Compared with the prior art, the utility model has the advantages of it is following: the base station made of marble avoids the problems of wrinkling and bulging caused by temperature and humidity, and ensures the flatness of the platform surface on which the linear motor is placed; the bearing plate made of marble ensures the flatness of the working table plate; the linear motor is adopted for driving, and compared with the servo drive on the market, the linear motor has the advantages of fast corresponding time, small friction force, high precision and capability of fast repeated positioning.

Drawings

Fig. 1 is a schematic structural perspective view of an embodiment of the present invention;

fig. 2 is a perspective view of the structure of the embodiment of the present invention (hidden organ type protective cover);

fig. 3 is a schematic structural perspective view (hidden organ type protective cover, bearing plate, working platform plate, tank chain) of the embodiment of the present invention.

In the figure:

1-base station; 2-a linear motor; 21-a stator magnetic track; 22-a mover; 3-a linear guide rail; 4-a slide block; 5, mounting a plate; 6-a bearing plate; 7-a workbench plate; 8-connector tiles; 9-a limiting block; 10-a metal sensing piece; 11-a sensor; 12-a magnetic grid; 13-a reading head; 14-organ type protective cover; 15-tank chain; 101-a first carrying surface; 102-a first baffle; 103-a second baffle; 104-a first flap; 105-a second flap.

Detailed Description

The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.

Examples

Referring to fig. 1 to 3, the linear driving mechanism in the present embodiment includes a base 1 made of marble, the base 1 has a first bearing surface 101 with a planar surface, and a linear motor 2 disposed along a Y-axis direction is disposed on the first bearing surface 101. Linear motor 2 both sides are equipped with the linear guide 3 of placing with it syntropy, all slide on every linear guide 3 and be provided with the slider 4 that matches with it, all are fixed with an installation board 5 on every slider 4, and the up end of every installation board 5 flushes. The mounting plate 5 is provided with a bearing plate 6, the lower end face of the bearing plate 6 is fixedly connected with each mounting plate 5, and the upper end face of the bearing plate 6 is fixedly provided with a working bedplate 7. The bearing plate 6 is also made of marble, and the surface of the bearing plate is flat and is a horizontal plane. The rotor on the linear motor 2 is fixedly connected with the bearing plate 6 through a connecting plate 8. In this way, when the linear motor 2 is powered, the table plate 7 can be moved back and forth in the Y-axis direction by the transmission of the mover.

As core protection of the embodiment, the marble base 1 avoids the problems of wrinkling and bulging caused by temperature and humidity, and ensures the flatness of the surface on which the linear motor 2 is placed; the bearing plate 6 made of marble ensures the flatness of the working bedplate 7; the linear motor 2 is adopted for driving, and compared with the servo drive on the market, the linear motor has the advantages of fast corresponding time, small friction force, high precision and capability of fast repeated positioning.

The linear motor 2 in this embodiment is an existing coreless linear motor on the market, a cross section of a stator magnetic track 21 on the linear motor is in a U-shaped structure and is fixed on a first bearing surface 101 along a Y-axis direction, a mover 22 is slidably disposed on the stator magnetic track 21, and the mover 22 is provided with a power supply incoming line and a feedback outgoing line of the linear motor and is respectively connected with a power supply unit and a control unit, so that the mover 22 can controllably slide on the stator magnetic track 21.

In order to limit the moving range of the mover, the present embodiment is limited by a soft-hard combination. If the first bearing surfaces 101 at the two ends of the linear guide rail 3 are provided with the limiting blocks 9, the bearing plate 6 can contact with the limiting blocks when moving to the tail end position, so that a hard limiting effect is achieved, and the situation that the bearing plate exceeds the moving range is avoided. A metal induction sheet 10 is arranged below the bearing plate 6, an inductor 11 is arranged on the first bearing surface 101, the inductor 11 at least comprises a starting position and an end position, a processing position can be additionally arranged according to an actual processing station if necessary, the plurality of inductors 11 are positioned on the same straight line and can be contacted with the metal induction sheet 10 when the bearing plate 6 moves, and after detecting the metal induction sheet 10, the corresponding inductors 11 can send signals to a control unit connected with the corresponding inductors, and the control unit controls the linear motor 2 to stop running.

In order to accurately control the moving distance of the mover, a grating or a magnetic grid 12 is arranged on the first bearing surface 101 along the Y-axis direction, and a reading head 13 corresponding to the grating or the magnetic grid 12 is arranged on the bearing plate 6. The initial position is such that the calibrated reading head is zero, so that the reading head 13 reads the movement distance as the carrier plate 6 moves when the linear motor 2 is driven. In order to avoid the pollution of dust to the grating or the magnetic grid, the linear motor 2, the grating or the magnetic grid 12 and the linear guide rail 3 are covered by an organ type protective cover 14 in the embodiment, wherein the organ type protective cover 14 is an organ type protective cover with a compression amount of 1: 10. Specifically, a first baffle plate 102 and a second baffle plate 103 are arranged on a first bearing surface 101 on which the outer sides of the two top ends of the linear guide rail 3 are located, a first folding plate 104 and a second folding plate 105 are arranged on the outer sides of the two side edges of the linear guide rail 3, wherein the first baffle plate 102, the first folding plate 104, the second baffle plate 103 and the second folding plate 105 form a rectangular structure. Two ends of the organ type protective cover 14 are fixed on the first baffle 105 and the second baffle 103 through magic tapes, and two side edges of the organ type protective cover 14 are sequentially placed at the bending positions of the first folding plate 104 and the second folding plate 105. The bearing plate 6 is positioned at the lower end of the organ type protective cover 14, the working bedplate 7 is positioned at the upper end of the organ type protective cover 14, and when the working bedplate 7 is locked on the bearing plate 6 through bolts, the organ type protective cover 14 is fixed with the bearing plate 6 and the working bedplate 7.

In this embodiment, a tank chain 15 placed along the Y-axis direction is provided on the first bearing surface 101 on which the outside of the organ-type protective cover is located, and one end of the tank chain 15 is fixedly connected to the bearing plate or the workbench plate by a joint member.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, so as not to limit the protection scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered in the protection scope of the present invention.

Claims

1. A linear drive mechanism, characterized by: the base station comprises a marble material, the base station is provided with a first bearing surface, the surface of the first bearing surface is a plane, the first bearing surface is provided with a linear motor and a linear guide rail which is in the same direction as the linear motor, a bearing plate is arranged on the linear guide rail in a sliding mode, and the bearing plate is connected with a rotor of the linear motor.

2. A linear drive mechanism as claimed in claim 1, wherein: and the first bearing surface is provided with a limiting block for limiting the initial position and the final position of the bearing plate.

3. A linear drive mechanism as claimed in claim 1, wherein: the first bearing surface is provided with sensors corresponding to the initial position, the processing position and the final position, and the sensors are positioned on the same straight line and can be in contact with the metal sensing sheet below the bearing plate.

4. A linear drive mechanism as claimed in claim 1, wherein: the linear motor is a coreless linear motor.

5. A linear drive mechanism as claimed in claim 1, wherein: the linear guide rail is provided with a sliding block matched with the linear guide rail in a sliding mode, the sliding block is fixedly provided with a mounting plate, the upper end face of each mounting plate is flushed, and the mounting plate is fixedly provided with the bearing plate.

6. A linear drive mechanism as claimed in claim 1, wherein: the bearing plate is made of marble.

7. A linear drive mechanism as claimed in claim 1, wherein: the first bearing surface is provided with a grating or a magnetic grid which is in the same direction as the linear motor, and the bearing plate is provided with a reading head corresponding to the grating or the magnetic grid.

8. A linear drive mechanism as claimed in claim 7, wherein: and an organ type protective cover for covering the linear motor, the grating or the magnetic grating and the linear guide rail is arranged on the first bearing surface, and the organ type protective cover is fixedly connected with the bearing plate.

9. A linear drive mechanism as claimed in claim 8, wherein: the first bearing surface is provided with a first baffle and a second baffle which are fixed at two ends of the wind supplying organ type protective cover, and the first bearing surface is also provided with a first folded plate and a second folded plate which are arranged at two side edges of the wind supplying organ type protective cover.

10. A linear drive mechanism as claimed in any one of claims 1 to 9, wherein: and a tank chain in the same direction as the linear motor is arranged on the first bearing surface, and one end of the tank chain is fixedly connected with the bearing plate through a connecting piece.