CN215897560U

CN215897560U - Linear electric motor second grade buffer structure

Info

Publication number: CN215897560U
Application number: CN202122314185.1U
Authority: CN
Inventors: 王仕初; 李奇林; 许玉凯
Original assignee: Shenzhen Shuangshi Technology Co Ltd
Current assignee: Shenzhen Shuangshi Technology Co Ltd
Priority date: 2021-09-23
Filing date: 2021-09-23
Publication date: 2022-02-22
Anticipated expiration: 2031-09-23

Abstract

The utility model relates to a linear motor secondary buffer structure, which comprises a base, a linear motor, two fixed seats and a fixed assembly, wherein the two fixed seats are arranged at two ends of the linear motor; the linear motor comprises two stator bodies and a rotor body arranged between the two stator bodies; the fixed assembly comprises a fixed frame for fixing the stator body, an installation plate connected with the rotor body and a supporting seat for supporting the installation plate; the fixing frame is connected with the two fixing seats, the supporting seat is positioned between the two fixing seats, the supporting seat is provided with a guide rail assembly for the mounting plate and the rotor body to reciprocate, the fixing seats are respectively provided with a buffer part and a stop part which are arranged longitudinally in a telescopic mode corresponding to the mounting plate, and the fixing seat is also provided with a positioning part for positioning the positions of the buffer part and the stop part; the rotor body is simple in integral structure and reasonable in layout, and in the reciprocating movement process of the rotor body, the buffer piece and the stop piece are matched to play a role in buffering the stop position of the mounting plate and the rotor body, so that hard collision is avoided.

Description

Linear electric motor second grade buffer structure

Technical Field

The utility model relates to the technical field of automatic die bonding, in particular to a secondary buffer structure of a linear motor.

Background

At present, in the solid crystal industry, linear motors are mostly used for driving in large-stroke and high-precision linear displacement, and key factors such as precision and service life of parts are not affected, so that the motion of the linear motors needs to be strictly protected in the whole production process, and hard collision is avoided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects in the prior art and provide a linear motor secondary buffer structure which can well solve the problems.

In order to meet the requirements, the technical scheme adopted by the utility model for solving the technical problems is as follows:

the linear motor secondary buffer structure comprises a base, a linear motor arranged above the base, fixing seats respectively arranged at two ends of the linear motor, and fixing components for fixing the linear motor on the fixing seats; the linear motor comprises two stator bodies which are arranged oppositely up and down and a rotor body arranged between the two stator bodies; the fixing assembly comprises a fixing frame for fixing the stator body, an installation plate connected with the rotor body and a supporting seat arranged on the base and used for supporting the installation plate; the utility model discloses a rotor, including fixing base, active cell body reciprocating motion's guide rail subassembly, fixing base, bolster, end piece, bolster and end piece, the both ends of mount are connected respectively in two the upper end of fixing base, the supporting seat is located two between the fixing base, be equipped with the confession on the supporting seat the mounting panel and active cell body reciprocating motion's guide rail assembly, two correspond on the relative lateral wall of fixing base the mounting panel is all telescopically arranged the bolster and ends the position piece, the bolster with end a vertical arrangement of position piece, be equipped with respectively on the fixing base right the bolster with end the position of position piece and carry out the setting element of fixing a position.

The utility model relates to a linear motor secondary buffer structure, wherein a buffer piece comprises an elastic buffer head and a fixed shaft coaxially fixing the elastic buffer head; the stop piece is a cylinder, and the fixed shaft and the stop piece are both in threaded connection with the fixed seat.

According to the linear motor secondary buffer structure, the fixed shaft and the stop piece are both screwed with the locking nuts, and the locking nuts form the positioning piece.

The linear motor secondary buffer structure is characterized in that the transverse length of the buffer part is greater than that of the stop part.

According to the linear motor secondary buffer structure, the end face of one end, close to the mounting plate, of the stop piece is an arc-shaped face.

The utility model relates to a two-stage buffering structure of a linear motor, wherein a guide rail assembly comprises two guide rails and two sliding blocks which are respectively in sliding connection with the two guide rails, the two guide rails are parallel to each other and are fixed on a supporting seat in parallel up and down, and the two sliding blocks are connected with an installation plate.

According to the linear motor secondary buffer structure, the upper end of the mounting plate is provided with the transverse extension section, the transverse extension section is detachably connected with the rotor body, and when the linear motor secondary buffer structure is assembled in place, the transverse extension section is attached to the upper end of the sliding block adjacent to the transverse extension section.

The utility model has the beneficial effects that: the utility model discloses a secondary buffering structure of a linear motor, which has a simple integral structure and reasonable layout, and can play a role of buffering and stopping positions of a mounting plate and a rotor body with a fixed seat after the mounting plate and the rotor body move in place through the matching of a buffering part and a stopping part in the reciprocating movement process of the rotor body of the linear motor, thereby avoiding the hard collision between the mounting plate and the fixed seat and the reduction of the stability among parts caused by the in-place vibration of the rotor body.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention will be further described with reference to the accompanying drawings and embodiments, wherein the drawings in the following description are only part of the embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive efforts according to the accompanying drawings:

fig. 1 is a schematic view of the overall structure of the secondary buffer structure of the linear motor according to the present invention.

Fig. 2 is a front view of a secondary buffer structure of a linear motor according to the present invention.

Fig. 3 is an enlarged view at a in fig. 2.

Fig. 4 is a sectional view a-a of fig. 2.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the following will clearly and completely describe the technical solutions in the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without inventive step, are within the scope of the present invention.

As shown in fig. 1-4, the secondary buffer structure of the linear motor in the preferred embodiment of the present invention includes a base 1, a linear motor 2 disposed above the base 1, fixing bases 3 respectively disposed at two ends of the linear motor 2, and a fixing assembly 4 for fixing the linear motor 2 to the fixing bases 3; the linear motor 2 comprises two stator bodies 201 which are arranged oppositely up and down and a rotor body 202 which is arranged between the two stator bodies 201; the fixing assembly 4 comprises a fixing frame 41 for fixing the stator body 201, an installation plate 42 connected with the mover body 202, and a supporting seat 43 arranged on the base 1 for supporting the installation plate 42; the two ends of the fixing frame 41 are respectively connected to the upper ends of the two fixing seats 3, the supporting seat 43 is positioned between the two fixing seats 3, the supporting seat 43 is provided with a guide rail assembly 5 for the mounting plate 42 and the rotor body 202 to reciprocate, the opposite side walls of the two fixing seats 3 are respectively provided with a buffering part 6 and a stopping part 7 in a telescopic mode corresponding to the mounting plate 42, the buffering part 6 and the stopping part 7 are longitudinally arranged, specifically, the fixing seats are L-shaped, the transverse ends of the fixing seats are fixed on the base 1, the buffering part 6 and the stopping part 7 are both arranged on the longitudinal ends, and the fixing seats 3 are respectively provided with positioning parts 8 for positioning the buffering part 6 and the stopping part 7 on the longitudinal ends; the linear motor 2 secondary buffer structure disclosed by the utility model has a simple integral structure and reasonable layout, and can play a role of buffering and stopping positions of the mounting plate 42 and the rotor body 202 with the fixed seat 3 after moving in place through the matching of the buffer part 6 and the stopping part 7 in the reciprocating movement process of the rotor body 202 of the linear motor 2, so that the mounting plate 42 and the fixed seat 3 are prevented from being collided firmly, the rotor body 202 is prevented from vibrating in place to cause the stability reduction among parts, and the precision requirement and the service life of equipment are well guaranteed.

Preferably, the buffer member 6 includes an elastic buffer head 61 and a fixing shaft 62 for coaxially fixing the elastic buffer head 61, specifically, the elastic buffer head 61 is made of elastic plastic material; the stop piece 7 is a cylinder, and the fixed shaft 62 and the stop piece 7 are both in threaded connection with the fixed base 3, so that the proper stroke can be conveniently fixed and adjusted, and the adaptability of actual production is further improved.

Preferably, the fixed shaft 62 and the stop member 7 are both screwed with a lock nut 9, and the lock nut 9 forms the positioning member 8, so that when the feeding amount, i.e. the stroke, of the buffer member 6 and the stop member 7 is adjusted, the position corresponding to the feeding amount is determined, and the buffer member 6 and the stop member 7 after being adjusted are prevented from moving again.

Preferably, the lateral length of the buffer member 6 is greater than the lateral length of the stop member 7, so as to ensure that the mounting plate 42 first contacts the buffer member 6 to realize deceleration and then contacts the stop member 7 to realize stop.

Preferably, the end surface of the stop member 7 near the mounting plate 42 is an arc surface 71 to ensure that the acting force of the mounting plate 42 on the stop member 7 is coaxial with the stop member 7 to prevent collision damage.

Preferably, the guide rail 51 assembly 5 includes two guide rails 51 and two sliding blocks 52 slidably connected to the two guide rails 51, the two guide rails 51 are parallel to each other and fixed on the supporting base 43 side by side up and down, and the two sliding blocks 52 are both connected to the mounting plate 42, so as to ensure that the stability of the mounting plate 42 is still ensured after the external device is assembled.

Preferably, the upper end of mounting panel 42 is equipped with lateral extension section 10, and lateral extension section 10 can be dismantled with runner body 202 and be connected, and when the assembly targets in place, lateral extension section 10 and the laminating of the upper end of its adjacent slider 52, but the shearing force of mounting panel 42 effect on the connecting piece of connecting its and slider 52 of dispersion, in addition, also conveniently fix runner body 202 and mounting panel 42.

It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are intended to be included within the scope of the utility model as defined in the appended claims.

Claims

1. A linear motor secondary buffer structure is characterized by comprising a base, a linear motor arranged above the base, fixing seats respectively arranged at two ends of the linear motor, and fixing components for fixing the linear motor on the fixing seats; the linear motor comprises two stator bodies which are arranged oppositely up and down and a rotor body arranged between the two stator bodies; the fixing assembly comprises a fixing frame for fixing the stator body, an installation plate connected with the rotor body and a supporting seat arranged on the base and used for supporting the installation plate; the utility model discloses a rotor, including fixing base, active cell body reciprocating motion's guide rail subassembly, fixing base, bolster, end piece, bolster and end piece, the both ends of mount are connected respectively in two the upper end of fixing base, the supporting seat is located two between the fixing base, be equipped with the confession on the supporting seat the mounting panel and active cell body reciprocating motion's guide rail assembly, two correspond on the relative lateral wall of fixing base the mounting panel is all telescopically arranged the bolster and ends the position piece, the bolster with end a vertical arrangement of position piece, be equipped with respectively on the fixing base right the bolster with end the position of position piece and carry out the setting element of fixing a position.

2. The linear motor secondary buffer structure of claim 1, wherein the buffer member includes an elastic buffer head, and a fixing shaft coaxially fixing the elastic buffer head; the stop piece is a cylinder, and the fixed shaft and the stop piece are both in threaded connection with the fixed seat.

3. The secondary buffering structure of a linear motor according to claim 2, wherein the fixing shaft and the stopping member are both screwed with a locking nut, and the locking nut forms the positioning member.

4. The secondary buffering structure of a linear motor according to claim 1, wherein the lateral length of the buffering member is greater than the lateral length of the stopper.

5. The linear motor secondary buffer structure of claim 1, wherein an end surface of the stop member near the mounting plate is an arc surface.

6. The linear motor secondary buffer structure of claim 1, wherein the guide rail assembly comprises two guide rails and two sliding blocks slidably connected to the two guide rails, the two guide rails are parallel to each other and fixed on the supporting base side by side up and down, and the two sliding blocks are connected to the mounting plate.

7. The secondary buffering structure of a linear motor according to claim 6, wherein a transverse extension section is arranged at the upper end of the mounting plate, the transverse extension section is detachably connected with the rotor body, and when the transverse extension section is assembled in place, the transverse extension section is attached to the upper end of the adjacent sliding block.