CN108857107B

CN108857107B - Linear support material follow-up device

Info

Publication number: CN108857107B
Application number: CN201810958185.5A
Authority: CN
Inventors: 常勇
Original assignee: Guangdong Hongshi Laser Technology Co Ltd
Current assignee: Guangdong Hongshi Laser Technology Co Ltd
Priority date: 2018-08-22
Filing date: 2018-08-22
Publication date: 2023-07-25
Anticipated expiration: 2038-08-22
Also published as: CN108857107A

Abstract

The utility model discloses a linear material supporting follow-up device. The scheme includes frame, bracing piece, jacking cylinder, horizontal briquetting, driving piece, and the one end of bracing piece articulates in the frame, and the other end is provided with the cylinder, and the one end of jacking cylinder articulates in the frame, and the other end is articulated with the bracing piece, is provided with wedge guide surface on the horizontal briquetting, and linear follower includes vertical slide, first guide, and vertical slide vertical slip sets up in the frame, and first guide and wedge guide surface butt are provided with the second guide on the bracing piece, and the second guide is for vertical slide horizontal migration, and the distance of second guide to bracing piece pin joint is A, and the cylinder is to the distance of bracing piece pin joint is B, and the tangent value of the contained angle that wedge guide surface and horizontal plane become is K, K=A/B, when adjusting, can reach the displacement of cylinder in vertical direction and the purpose that the displacement of horizontal briquetting on the horizontal direction equals, effectively reduces the operation pressure of system, conveniently adjusts the cylinder.

Description

Linear support material follow-up device

Technical Field

The utility model relates to the field of laser cutting, in particular to a linear material supporting follow-up device.

Background

In the pipe laser processing process, when the shape of a processed workpiece is irregular or the size needs to be adjusted, the processed workpiece needs to be adjusted up and down in a certain range.

The utility model patent with the publication number of CN 206677410U of the applicant discloses a material supporting follow-up device, which comprises a frame, a roller and a supporting rod, wherein the roller and the supporting rod are arranged on the frame; the middle part of bracing piece is connected with actuating mechanism, and actuating mechanism includes servo motor, briquetting and jacking cylinder, is provided with the pivot with briquetting lower surface butt on the bracing piece, and the jacking cylinder makes pivot and briquetting keep the butt, sets up wedge guide surface on the lower surface of briquetting to accessible servo motor pulling briquetting horizontal migration, the pivot slides along wedge guide surface, thereby drives the bracing piece and swing from top to bottom.

However, the amplitude of the vertical swing of the support rod of the stripping follower needs to be determined by a trigonometric function according to the real-time angle change, so that a large operation pressure is generated for the running control system, and therefore, a linear actuator capable of reducing the operation pressure of the control system is needed.

Disclosure of Invention

In order to solve the technical problems, the utility model aims to provide a linear material supporting follow-up device which has the advantages of convenient adjustment and effective reduction of the operation pressure of a control system.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the utility model provides a linear material servo device that holds in palm, includes frame, bracing piece, jacking cylinder, horizontal briquetting and the driving piece of drive horizontal briquetting horizontal migration, the one end of bracing piece articulates in the frame, and the other end is provided with the cylinder, the one end of jacking cylinder articulates in the frame, and the other end is articulated with the bracing piece, be provided with wedge guide face on the horizontal briquetting, linear servo device still includes vertical follower, vertical follower includes vertical slide, sets up the first guide piece on vertical slide, vertical slide vertical slip set up in the frame, first guide piece with wedge guide face butt, be provided with the second guide piece on the bracing piece, the second guide piece for vertical slide horizontal migration, the second guide piece arrives the distance of bracing piece pin joint is A, the cylinder arrives the distance of bracing piece pin joint is B, the tangent value of wedge guide face and horizontal plane contained angle is K, A, B, K's quantity relation satisfies: k=a/B.

Through setting up like this, slide along the frame level through driving piece drive horizontal briquetting, thereby slide along the wedge guide surface on the horizontal briquetting through the first guide on the vertical slide, thereby the vertical removal of indirect drive vertical slide, the displacement of vertical slide equals with the displacement of first guide in vertical direction, because of the tangent value of the contained angle that wedge guide surface becomes with the horizontal plane is K, thereby when horizontal briquetting removes 1 unit length, first guide rolls along wedge guide surface, slide K unit length in vertical direction, thereby the vertical slide slides K unit length along first guide in vertical direction, because of the second guide slides for vertical slide level, thereby when vertical slide vertical upwards, down slide, vertical slide drive bracing piece upper and lower swing, and because of the distance A of second guide to bracing piece and the hinge point of frame and cylinder to the distance B of hinge point of bracing piece and frame, thereby when vertical slide removes K unit length in vertical direction, the second guide removes K unit length in vertical direction, and the cylinder removes 1 unit length in vertical direction, thereby the horizontal displacement of cylinder in vertical direction is realized, thereby the effect of reducing the horizontal displacement of vertical slide in vertical direction is equal to the control system.

Preferably, the first guide member is provided as a first guide wheel, and the first guide wheel is rotatably connected with the vertical sliding plate.

Through setting up like this, roll along wedge guide surface through first leading wheel, reduce the frictional force between first guide and the wedge guide surface, reduce the wearing and tearing of first guide, wedge guide surface, extension first guide and wedge guide surface's life.

Preferably, the second guide member is provided as a second guide wheel, and the second guide wheel is rotatably connected with the support rod.

Through setting up like this, roll for vertical slide through the second leading wheel, reduce the frictional force between second guide and the vertical slide, reduce the wearing and tearing of second guide, vertical slide, the life of extension first guide and vertical slide.

Preferably, a horizontal guide block is arranged on the vertical sliding plate, and the second guide wheel is abutted with the lower surface of the horizontal guide block.

Through the arrangement, the second guide wheel rolls along the lower surface of the horizontal guide block, so that the purpose that the second guide wheel is driven to move in the vertical direction and move in the same direction as the vertical sliding plate when the vertical sliding plate slides vertically is achieved.

Preferably, the vertical sliding plate is provided with a horizontal limiting groove, and the second guide wheel rolls in the horizontal limiting groove.

Through setting up like this, roll in horizontal spacing inslot through setting up the second leading wheel to, on the one hand horizontal spacing groove can provide horizontal motion direction for the second leading wheel, on the other hand, horizontal spacing groove restriction second leading wheel roll-off from horizontal spacing groove.

Preferably, a horizontal guide rail is arranged on the frame, the horizontal pressing block is fixedly arranged on a horizontal sliding seat, and the horizontal sliding seat slides along the horizontal guide rail.

Through setting up like this, through setting up horizontal briquetting on horizontal slide, horizontal slide slides along horizontal guide rail, through the relative slip of horizontal slide and horizontal guide rail for horizontal briquetting slides smoothly, reduces the friction between horizontal briquetting and the frame, and reduces the noise that produces when horizontal briquetting slides for the frame level.

Preferably, a vertical guide rail is arranged on the frame, and the vertical sliding plate slides along the vertical guide rail.

Through setting up like this, slide along vertical guide rail through setting up vertical slide to reduce the friction between vertical slide and the frame, make vertical slide smooth and easy, reduce the noise that vertical slide produced when sliding for the frame is vertical, and reduce the wearing and tearing of vertical slide.

Preferably, a limiting block is arranged at the lower end of the vertical sliding plate.

Through setting up like this, avoid the condition emergence that vertical slide breaks away from with vertical guide rail from the upper end of vertical guide rail through the stopper.

Compared with the prior art, the utility model has the beneficial technical effects that:

1. through setting up wedge guide surface for the tangent value of horizontal plane be K equal to the ratio of second guide to the distance A of bracing piece pin joint and cylinder to the distance B of bracing piece pin joint to when adjusting, reach the purpose that the displacement of cylinder in vertical direction equals with the displacement of horizontal briquetting in the horizontal direction, effectively reduce the operation pressure of system, conveniently adjust the cylinder.

2. By arranging the first guide wheel, friction between the first guide piece and the wedge-shaped guide surface is reduced, and abrasion of the first guide piece and the wedge-shaped guide surface is reduced.

3. By arranging the second guide wheels, friction between the second guide piece and the vertical sliding plate is reduced, and abrasion of the two sides is reduced. .

4. Through setting up horizontal guide rail and vertical guide rail, reduce the friction between horizontal briquetting and the frame respectively, between vertical slide and the frame, reduce both sides' wearing and tearing, increase of service life.

Drawings

FIG. 1 is a perspective view of a first embodiment of the present utility model;

FIG. 2 is a front view of a first embodiment of the utility model;

FIG. 3 is a side view of a first embodiment of the utility model;

FIG. 4 is a side view of a second embodiment of the utility model;

fig. 5 is an enlarged schematic view of the section I in fig. 4.

Wherein, the technical characteristics that each reference sign indicates are as follows:

1. a frame; 2. a support rod; 3. jacking the air cylinder; 4. a roller; 5. a seat bearing; 6. a rotating shaft; 7. a horizontal briquetting; 71. wedge-shaped guide surfaces; 8. a vertical slide plate; 81. a vertical guide post; 82. a limiting block; 9. a first guide; 10. a second guide; 11. a horizontal guide plate; 12. a horizontal guide rail; 13. a horizontal slide; 14. a vertical guide rail; 15. a horizontal limit groove; 16. and a limit edge.

Detailed Description

The present utility model will be further described in detail with reference to the following examples, for the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, but the scope of the present utility model is not limited to the following specific examples.

Embodiment one:

referring to fig. 1 and 2, the embodiment discloses a linear material supporting follow-up device, which comprises a frame 1, a supporting rod 2 and a jacking air cylinder 3, wherein one end of the supporting rod 2 is hinged with the frame 1, the other end of the supporting rod is provided with a roller 4 for supporting a pipe, one end of the jacking air cylinder 3 is hinged on the frame 1, and the other end of the jacking air cylinder is hinged with the supporting rod 2.

Referring to fig. 1, a pair of seat bearings 5 are fixedly arranged on a frame 1, rotating shafts 6 fixedly connected with support rods 2 are respectively arranged in inner holes of the seat bearings 5 in a penetrating manner, and abrasion generated when the support rods 2 rotate relative to the frame 1 is reduced by arranging the seat bearings 5.

Referring to fig. 1, a horizontal press block 7 sliding horizontally relative to the frame 1 is provided on the frame 1, a driving member (not shown in the figure) for driving the horizontal press block 7 to slide is provided on the frame 1, the driving member adopts a horizontal hydraulic telescopic rod, and in other embodiments, a transmission mode of a motor screw is also adopted to drive the horizontal press block 7 to slide horizontally.

Referring to fig. 1 and 2, the horizontal press block 7 is provided with a wedge-shaped guide surface 71, and in this embodiment, the wedge-shaped guide surface 71 is inclined from the upper left to the lower right.

Referring to fig. 1 and 2, a vertical follower assembly (not labeled in the drawings) is disposed on the frame 1, the vertical follower assembly includes a vertical slide plate 8 sliding vertically relative to the frame 1 and a first guide member 9 disposed on the vertical slide plate 8, the first guide member 9 slides along a wedge-shaped guide surface 71, in this embodiment, the first guide surface is set as a first guide wheel, the first guide wheel is rotationally connected with the vertical slide plate 8, a wheel surface of the first guide wheel abuts against the wedge-shaped guide surface 71, a tangent value of an included angle between the wedge-shaped guide surface 71 and a horizontal plane is K, and when a moving distance of the horizontal press block 7 on the horizontal plane is b, the first guide wheel rolls along the wedge-shaped guide surface 71, and a=kb is moved in a vertical direction.

Referring to fig. 1, the support bar 2 is provided with a second guide member 10, and the second guide member 10 moves horizontally with respect to the vertical sliding plate 8, and in this embodiment, the second guide member 10 is provided as a second guide wheel, and the second guide wheel is rotatably connected to the support bar 2.

Referring to fig. 3, a horizontal guide plate 11 is provided on the vertical sliding plate 8, and the tread of the second guide wheel abuts against the lower surface of the horizontal guide plate 11 and rolls along the horizontal guide plate 11.

Referring to fig. 2, the center of the second guide 10, the center of the rotating shaft 6 and the center of the drum 4 are positioned on the same straight line, the distance from the second guide 10 to the hinge point of the support rod 2 and the frame 1 is a, the distance from the drum 4 to the hinge point of the support rod 2 and the frame 1 is B, k=a/b=a/B, in this embodiment, k=1/3, that is, the second guide 10 is positioned at the 1/3 equal division position of the end of the support rod 2 near the hinge, the horizontal pressing block 7 moves 3 units per horizontal unit length, and the second guide wheel moves 1 unit length vertically along the wedge-shaped guide surface 71.

Referring to fig. 1, a horizontal guide rail 12 is fixedly arranged on a frame 1, a horizontal pressing block 7 is fixedly arranged on a horizontal sliding seat 13, and the horizontal sliding seat 13 horizontally slides along the horizontal guide rail 12.

Referring to fig. 1 and 2, a vertical guide rail 14 is fixedly arranged on a frame 1, a vertical sliding plate 8 is in an isosceles trapezoid shape, a horizontal guide plate 11 is arranged at one end of the vertical sliding plate 8 with a larger size, and the small end of the vertical sliding plate 8 is vertically downward; the vertical slide plate 8 is provided with a vertical guide column 81, the vertical guide column 81 slides along the vertical guide rail 14, the lower end of the vertical slide plate 8 is fixedly provided with a limiting block 82, and the situation that the vertical slide plate 8 is separated from the upper end of the vertical guide rail 14 and the vertical guide rail 14 is avoided through the limiting block 82.

The jacking cylinder 3 applies a supporting force to the support bar 2 so that the second guide wheel is held in abutment with the horizontal guide plate 11 and the first guide wheel is held in abutment with the wedge-shaped guide surface 71.

The first embodiment of the utility model is used in the process and principle:

taking the downward adjustment roller 4 as an example, when the driving piece drives the horizontal pressing block 7 to horizontally move for 1 unit length in the direction close to the hinged position of the support rod 2 and the frame 1, the horizontal pressing block 7 presses down the first guide wheel, the first guide wheel rolls down along the wedge-shaped guide surface 71, the first guide wheel vertically moves down for 1/3 unit length, the vertical sliding plate 8 moves down for 1/3 unit length along with the first guide wheel, the vertical sliding plate 8 presses down the support rod 2, so that the support rod 2 swings down around the hinged point to compress and lift the air cylinder 3, the second guide wheel rolls along the horizontal guide plate 11 on the vertical sliding plate 8, the displacement of the second guide wheel in the vertical direction is Y, Y is equal to the downward sliding distance of the vertical sliding plate 8 and is 1/3 unit length, according to the principle of similar triangle, when the roller 4 swings along with the support rod 2, the displacement of the roller 4 in the vertical direction is Y, Y/y=k=1/3, so that the final result is: y is equal to 1 unit length, and the process of upwardly adjusting the drum 4 is similar to that described above, and will not be repeated here.

In sum, the driving piece can drive the horizontal pressing block 7 to move for 1 unit length every time, and the adjustable roller 4 can move for 1 unit length in the vertical direction, so that the adjustment is convenient.

Embodiment two:

referring to fig. 4 and 5, this embodiment discloses another linear material supporting follower device, and based on the embodiment and the first difference from the embodiment, the vertical sliding plate 8 is provided with a horizontal limit groove 15, the transverse section of the horizontal limit groove 15 is set to be C-shaped, the top edge or bottom edge of the horizontal limit groove 15 is abutted with the wheel surface of the second guide wheel, one side of the horizontal limit groove 15, which is close to the supporting rod 2, is provided with a limit edge 16, the limit edge 16 is abutted with the side surface of the second guide wheel, the second guide wheel is limited to roll in the horizontal limit groove 15, the occurrence that the second guide wheel is separated from the horizontal limit groove 15 is reduced, and the reliability of motion transmission between the vertical sliding plate 8 and the second guide wheel is improved.

The use process and principle of the second embodiment of the present utility model are the same as those of the first embodiment, and are not described herein.

Variations and modifications to the above would be obvious to persons skilled in the art to which the utility model pertains from the foregoing description and teachings. Therefore, the utility model is not limited to the specific embodiments disclosed and described above, but some modifications and changes of the utility model should be also included in the scope of the claims of the utility model. In addition, although specific terms are used in the present specification, these terms are for convenience of description only and do not constitute any limitation on the utility model.

Claims

1. The utility model provides a linear material follow-up device that holds in palm, includes frame, bracing piece, jacking cylinder, horizontal briquetting and the driving piece of drive horizontal briquetting horizontal migration, the one end of bracing piece articulates in the frame, and the other end is provided with the cylinder, the one end of jacking cylinder articulates in the frame, and the other end is articulated with the bracing piece, be provided with wedge guide face on the horizontal briquetting, a serial communication port, linear material follow-up device that holds in palm still includes vertical follow-up subassembly, vertical follow-up subassembly includes vertical slide, sets up the first guide on vertical slide, vertical slide vertical slip set up in the frame, first guide with wedge guide face butt is provided with the second guide on the bracing piece, the second guide for vertical slide horizontal migration, the distance of second guide to bracing piece pin joint is A, the distance of cylinder to the bracing piece pin joint is B, the tangent value that wedge guide face and horizontal plane become the contained angle is K, A, B, K the quantity relation satisfies: k=a/B;

the second guide piece is arranged to be a second guide wheel, the second guide wheel is rotationally connected with the supporting rod, a horizontal guide block is arranged on the vertical sliding plate, the second guide wheel is in butt joint with the lower surface of the horizontal guide block, a horizontal limit groove is formed in the vertical sliding plate, and the second guide wheel rolls in the horizontal limit groove.

2. A linear pallet follower as defined in claim 1 wherein the first guide member is configured as a first guide wheel rotatably coupled to the vertical slide.

3. A linear pallet follower according to claim 1 or 2, wherein a horizontal rail is provided on the frame, the horizontal press block being fixedly arranged on a horizontal slide carriage, the horizontal slide carriage sliding along the horizontal rail.

4. A linear pallet follower according to claim 1 or 2, wherein a vertical rail is provided on the frame, along which the vertical slide slides.

5. A linear pallet follower as defined in claim 4 wherein a stopper is provided at the lower end of the vertical slide.