CN113251121B

CN113251121B - Tensioning structure, tailstock and linear module

Info

Publication number: CN113251121B
Application number: CN202110711797.6A
Authority: CN
Inventors: 陈颖
Original assignee: Dongguan Yuangang Automation Technology Co ltd
Current assignee: Dongguan Yuangang Automation Technology Co ltd
Priority date: 2021-06-25
Filing date: 2021-06-25
Publication date: 2022-07-08
Anticipated expiration: 2041-06-25
Also published as: CN113251121A

Abstract

The invention relates to the technical field of linear modules, in particular to a tensioning structure, a tailstock and a linear module, which comprise a base and a bearing seat assembly connected with the base in a sliding manner; the bearing seat assembly comprises a body and a bearing belt pulley group; the tensioning structure also comprises a tensioning wedge and an adjusting piece arranged corresponding to the tensioning wedge; the adjusting piece and the tensioning wedge are connected through a thread pair. The invention solves the problems that the traditional tensioning device has a complex structure, occupies a large space, and has poor belt adjustment adaptability.

Description

Tensioning structure, tailstock and linear module

Technical Field

The invention relates to the technical field of linear modules, in particular to a tensioning structure, a tailstock and a linear module.

Background

The linear module is used for carrying or conveying work on an automatic production line, can realize accurate positioning, and is favorable for improving the production quality and reducing the production cost.

The industrial automation sliding table is a general name for a device capable of realizing linear motion in the field of automation industry, and is also called a linear positioning module. The linear module has several names, such as a linear module, a rectangular coordinate robot, a linear sliding table and the like, and is an automatic upgrading unit of a linear guide rail and a ball screw linear transmission mechanism. The linear and curvilinear motion of the load can be realized through the combination of all the units, so that the automation of the light load is more flexible and the positioning is more accurate.

The demand of the current production and manufacturing process on the production line is increasing day by day, so the demand on the linear module is also increasing, but the traditional tensioning device has a complex structure, occupies a large space and has poor adjustment adaptability on the belt.

Disclosure of Invention

Therefore, it is necessary to provide a tensioning structure, a tailstock and a linear module aiming at the problems of the conventional technology, and the tensioning structure, the tailstock and the linear module have reasonable structural design, good adjustment effect on the transmission belt, small occupied space and convenience in installation and maintenance.

A tensioning structure comprises a base and a bearing seat assembly connected with the base in a sliding mode; the bearing seat assembly comprises a body and a bearing belt pulley group; the tensioning structure also comprises a tensioning wedge and an adjusting piece arranged corresponding to the tensioning wedge; the adjusting piece and the tensioning wedge are connected through a thread pair.

In one embodiment, the tensioning wedge comprises a guide part and a drive part, the guide part has a first flank on the outside and the drive part has a second flank on the outside, the second flank being arranged at an incline.

In one embodiment, the base is provided with a sliding surface, and a first guide groove matched with the first side surface is formed in the sliding surface; the body is provided with a guide surface, and the guide surface is provided with a second guide groove matched with the second side surface; the guide surface and the adjusting piece are arranged at an angle.

In one embodiment, the first side is vertically disposed.

In one embodiment, the first side face is arranged obliquely.

In one embodiment, the base is provided with a guide groove; the body is provided with a guide piece in sliding fit with the guide groove.

A tailstock comprises the tensioning structure.

In one embodiment, the tailstock comprises a cover plate buckled with the base and an anti-collision piece inserted on the base; the base is provided with a catching groove matched with the anti-collision piece.

A linear module comprises the tailstock.

In one embodiment, the magnetic grid type wire outgoing terminal.

The invention has the following beneficial effects:

compared with the traditional tensioning structure, the tensioning structure provided by the invention is reasonable in design, has a good adjusting effect on the transmission belt, occupies a small space, and is convenient to install and maintain, specifically, the tensioning wedge is respectively connected with the base and the body in a sliding manner, the adjusting piece is connected with the tensioning wedge through the thread pair, has a good connecting effect, and is used for driving the tensioning wedge to move up and down along the guide surface of the body, so that the bearing seat assembly moves along the bottom surface of the base, thereby realizing the tensioning adjustment on the transmission belt, and solving the problems that the traditional tensioning structure occupies a large space, and has poor adaptability to the adjusting mode of the transmission belt, and the like.

Drawings

FIG. 1 is a schematic perspective view of a linear module according to the present invention;

FIG. 2 is a cross-sectional view of a linear module of the present invention;

FIG. 3 is a perspective view of the tensioning arrangement of FIG. 1;

FIG. 4 is an exploded perspective view of the tensioning arrangement of FIG. 3;

FIG. 5 is a perspective view of a base of the tensioning arrangement of FIG. 3;

FIG. 6 is a first use condition view of the first embodiment of the tensioning arrangement of FIG. 3;

FIG. 7 is a second use condition view of the first embodiment of the tensioning arrangement of FIG. 3;

fig. 8 is a state diagram of a second embodiment of the tensioning arrangement of fig. 6.

Description of reference numerals: the linear module 100, the transmission belt 110, the tailstock 120, the cover plate 121, the bumper 122, the rail beam 130, the magnetic grid 131, the slider 140, the magnetic grid sensor 141, the wire outlet 142, the base 10, the sliding surface 11, the first guide groove 12, the guide groove 13, the buckle groove 14, the bearing seat assembly 20, the body 21, the guide surface 21a, the second guide groove 21b, the guide 21c, the bearing pulley set 22, the tension wedge 30, the guide portion 31, the driving portion 32, and the adjusting member 33.

Detailed Description

In order that the invention may be more fully understood, reference will now be made to the following more detailed description. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

Referring to fig. 1 to 2, a linear module 100 according to an embodiment of the invention is shown. The linear module 100 includes a tailstock 120. The tailstock 120 includes a tensioning structure. The tensioning structure has a good adjusting effect on the transmission belt 110, occupies a small space and is convenient to mount.

The linear module 100 comprises a rail beam 130 and a sliding block 140 in sliding fit with the rail beam 130; the tailstock 120 is mounted to the driven end of the rail beam 130.

The linear module 100 further includes a magnetic grid 131, a magnetic grid sensor 141 and an outlet terminal 142; in this embodiment, the magnetic grid 131 is installed on the rail beam 130, the magnetic grid sensor 141 is installed on the slider 140 and is arranged corresponding to the magnetic grid 131, the wire outlet end 142 is installed on the slider 140 and is connected with the magnetic grid sensor 141, and the magnetic grid 131 and the magnetic grid sensor 141 are matched with each other to transmit the position of the slider 140 relative to the rail beam 130, so that the transmission effect is good, and the accuracy is high.

Referring to fig. 3 and 4, the tailstock 120 includes a cover plate 121 fastened to the base 10, and an anti-collision member 122 inserted into the base 10; the base 10 is provided with a buckle groove 14 matched with the anti-collision piece 122; in this embodiment, the anti-collision member 122 is arranged to buffer the slider 140 to a certain extent, so that the anti-collision effect is good, and the anti-collision member is convenient to mount and dismount.

Referring to fig. 3 to 7 together, a first embodiment of the tensioning structure of the present invention is shown, wherein the tensioning structure includes a base 10 and a bearing seat assembly 20 slidably connected to the base 10; the bearing block assembly 20 comprises a body 21 and a bearing pulley set 22; the tensioning structure also comprises a tensioning wedge 30 and an adjusting piece 33 which is arranged corresponding to the tensioning wedge 30; the adjusting piece 33 is connected with the tensioning wedge 30 by a thread pair; in this embodiment, the tightening wedge 30 is slidably connected to the base 10 and the body 21, the adjusting member 33 is connected to the tightening wedge 30 by a screw pair, the connection effect is good, and the adjusting member 33 is configured to drive the tightening wedge 30 to move up and down along the guide surface 21a of the body 21, so that the bearing seat assembly 20 moves along the bottom surface of the base 10.

The tensioning wedge 30 comprises a guide part 31 and a driving part 32, wherein a first side surface is arranged outside the guide part 31, a second side surface is arranged outside the driving part 32, and the second side surface is obliquely arranged; in this embodiment, the first side surface is vertically disposed; the base 10 is provided with a sliding surface 11, and the sliding surface 11 is provided with a first guide groove 12 matched with the first side surface; the body 21 is provided with a guide surface 21a, and the guide surface 21a is provided with a second guide groove 21b matched with the second side surface; the guide surface 21a is arranged at an angle to the adjusting member 33; the problem that traditional tensioning texture occupation space is great has been solved to base 10 and bearing frame subassembly 20's cooperation mode, thereby traditional linear module 100 realizes adjusting the tensioning of drive belt 110 along the direction pulling bearing frame subassembly 20 of driven end, thereby often can appear the position of driven end and be blocked thereby can't carry out the tensioning to drive belt 110 and adjust the condition, in this embodiment, regulating part 33 adjusts tensioning wedge 30 in vertical direction, because spigot surface 21a is angle setting with regulating part 33, the in-process that makes regulating part 33 reciprocate, bearing frame subassembly 20 is close to or keeps away from glide plane 11, thereby the realization is to the regulation of drive belt 110.

The base 10 is provided with a guide groove 13; the body 21 is provided with a guide piece 21c which is in sliding fit with the guide groove 13; in this embodiment, the first side surface is matched with the first guide groove 12, the second side surface is matched with the second guide groove 21b, and the guide piece 21c is matched with the guide groove 13, so that the stable adjustment of the movement of the bearing block assembly 20 in the horizontal direction is realized, and the tensioning adjustment of the transmission belt 110 is realized.

Referring to fig. 8, a second embodiment of the tensioning structure of the present invention is shown, which is different from the first embodiment in that the first side surface and the second side surface are both disposed obliquely, and the oblique disposition of the first side surface and the second side surface can shorten the movement stroke of the bearing block assembly 20, reduce the size of the tailstock 120, and have a smart and reasonable design.

The tensioning structure is reasonable in structural design, good in adjusting effect on the transmission belt 110, small in occupied space and convenient to install and maintain, specifically, the tensioning wedge 30 is connected with the base 10 and the body 21 in a sliding mode respectively, the adjusting piece 33 is connected with the tensioning wedge 30 through the thread pair, the connecting effect is good, the adjusting piece 33 is used for driving the tensioning wedge 30 to move up and down along the guide surface 21a of the body 21, the bearing seat assembly 20 moves along the bottom surface of the base 10, tensioning adjustment on the transmission belt 110 is achieved, and the problems that the traditional tensioning structure is large in occupied space, poor in adaptability to the adjusting mode of the transmission belt 110 and the like are solved.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. A tensioning structure is used for being matched with a transmission belt, and is characterized by comprising a base and a bearing seat assembly which is connected with the base in a sliding mode; the bearing seat assembly comprises a body and a bearing belt pulley group; the tensioning structure also comprises a tensioning wedge and an adjusting piece arranged corresponding to the tensioning wedge; the adjusting piece is connected with the tensioning wedge through a thread pair; the tensioning wedge comprises a guide part and a driving part, wherein a first side surface is arranged outside the guide part, a second side surface is arranged outside the driving part, and the second side surface is obliquely arranged; the base is provided with a sliding surface, and a first guide groove matched with the first side surface is formed in the sliding surface; the body is provided with a guide surface, and the guide surface is provided with a second guide groove matched with the second side surface; the guide surface and the adjusting piece are arranged at an angle; the first side surface is vertically arranged; the guide part is convexly and correspondingly embedded into the first guide groove, and the driving part is convexly and correspondingly embedded into the second guide groove; the top of the base is provided with a counter bore, and the adjusting piece comprises a head part accommodated in the counter bore and a rod part connected with the head part; the head is matched with the counter sink; the rod part is connected with the tensioning wedge through a thread pair.

2. The tensioning structure according to claim 1, wherein the base is provided with a guide groove; the body is provided with a guide piece in sliding fit with the guide groove.

3. A tailstock characterized by comprising the tensioning structure of claim 1 or 2.

4. The tailstock according to claim 3, wherein the tailstock comprises a cover plate buckled with the base and an anti-collision piece inserted on the base; the base is provided with a catching groove matched with the anti-collision piece.

5. A linear module comprising the tailstock according to claim 3.

6. The line module of claim 5, further comprising a magnetic grid, a magnetic grid sensor, and an outlet terminal.