CN102837186B

CN102837186B - Flexible connection structure of gantry cross beam

Info

Publication number: CN102837186B
Application number: CN201110170220.5A
Authority: CN
Inventors: 林皇铭
Original assignee: Hiwin Mikrosystem Corp
Current assignee: Hiwin Mikrosystem Corp; Hiwin Technologies Corp
Priority date: 2011-06-22
Filing date: 2011-06-22
Publication date: 2014-06-04
Anticipated expiration: 2031-06-22
Also published as: CN102837186A

Abstract

The invention provides a flexible connection structure of a gantry cross beam, comprising a guide part, two slide seats, a cross beam, a first cushion piece and a second cushion piece, wherein the guide part is provided with two long and straight strip-shaped guide rails which are parallel to each other; the two slide seats are slidingly arranged on a corresponding guide rail; the two ends of the cross beam are placed on the slide seats in a cross manner and can move in a reciprocated manner along a long axis direction of the guide rails; the first cushion piece is provided with a first cushion body with a pre-set thickness and is clamped between one end of the cross beam and the adjacent slide seat, and at least one seam-shaped first transformation part is arranged on the first cushion body to divide the first cushion body into at least two region blocks by taking the first transformation part as a boundary; the second cushion piece is provided with a second cushion body with a pre-set thickness and is clamped between the other end of the cross beam and the adjacent slide seat, and at least one seam-shaped second transformation part is arranged on the second cushion body to divide the second cushion body into at least two region blocks by taking the second transformation part as a boundary. According to the flexible connection structure of the gantry cross beam disclosed by the invention, improper stress in a movement process of the cross beam can be effectively eliminated and the machining precision is ensured.

Description

The flexible connection structure of gantry beam

Technical field

The present invention relates to a kind of flexible connection structure of flame board, particularly a kind of gantry beam.

Background technology

The known flame board with large span, by the formation as many different machining machine and tools widely, and wherein, the moving beam type gantry plane that crossbeam is moved, to provide crosshead displacement required power through external power supply, and the track of guiding use is set on pedestal, and make crossbeam be able on this track, carry out shift reciprocately under external force drives, improve according to this working (machining) efficiency of machining machine and tool.

Further, known crossbeam and interorbital are to construct as its link to each other by the slide being slidedly arranged on track, in other words, in conventional art, to coordinate the binding members such as alignment pin with screw, crossbeam is fixed on slide rigidly, and the guiding direction top offset that makes crossbeam be able to provide at track, the just combination of these rigidity, in the time that gantry processor operates, often can synchronously not produce because of the driving at crossbeam two ends the deviation of angle, also there is different materials that Yin Wendu causes, the Volume Changes difference of element, make to produce and pull between different elements, cause the distortion of crossbeam and affect the precision of processing.

So, for improving the disappearance of above-mentioned conventional art, in known technology, then have and between slide and crossbeam, set up bearing or bridge joint one plates, reduce according to this side force being produced by transmission devices such as belt transmission, cam, gear, connecting rods, the stress producing when just synchronous for the driving at crossbeam two ends also cannot suitably be prevented, and still belongs to and does not attain perfect technology contents.

Summary of the invention

Therefore, main purpose of the present invention is to provide a kind of flexible connection structure of gantry beam, and suffered improper stress when it can eliminate crossbeam motion effectively, to guarantee the precision of processing.

For achieving the above object, the utility model is taked following technical scheme:

A kind of flexible connection structure of gantry beam, it comprises:

One leads portion, has two long straight bar guide rails parallel to each other, and two slides, are slidedly arranged on respectively on the guide rail of a correspondence;

One crossbeam, is cross-placed on each slide with two ends, and can be along the each long axis direction shift reciprocately of this guide rail;

One first mat piece, there is the first pad of a predetermined thickness, be located between the slide of this crossbeam one end and institute's adjacency, at least one the first variant part that is bar seam shape, be located on this first pad, so that the first pad is separated at least two blocks taking this first variant part as boundary;

One second mat piece, there is the second pad of a predetermined thickness, be located between the slide of this crossbeam another end and institute's adjacency, at least one the second variant part that is bar seam shape, be located on this second pad, so that the second pad is separated at least two blocks taking this second variant part as boundary.

Described the first variant part has 2 first seams, toward each other toward interior coaxial extension and be not communicated with mutually from the both sides of described the first pad, and the bearing of trend that makes respectively this first seam is perpendicular to the each long axis direction of this guide rail, 2 second seams, be located parallel respectively between elongated end end of this first seam, and respectively with one first vertical connection of seam.

Described the second variant part has 2 the 3rd seams, toward each other toward interior coaxial extension and be not communicated with mutually from the both sides of described the second pad, and the bearing of trend that makes respectively the 3rd seam is perpendicular to the each long axis direction of this guide rail, two Fpir Crevices, be parallel to the both sides that are respectively positioned at the 3rd seam, two ends are also separated by and come with the both sides of this second pad respectively the 3rd seam bearing of trend.

The beneficial effects of the utility model are:

Improper stress suffered can effectively eliminate crossbeam motion time is constructed in the flexible connection of described gantry beam, to guarantee the precision of processing.

Brief description of the drawings

Fig. 1 is a sectional perspective exploded view of a preferred embodiment of the present invention.

Fig. 2 is another sectional perspective exploded view of a preferred embodiment of the present invention.

Fig. 3 is the stereogram of a preferred embodiment of the present invention.

Fig. 4 is the cutaway view of a preferred embodiment of the present invention along 4-4 secant in Fig. 3.

Fig. 5 is the cutaway view of a preferred embodiment of the present invention along 5-5 secant in Fig. 3.

Fig. 6 is the schematic top view of a preferred embodiment of the present invention.

Fig. 7 A is the partial enlarged drawing of a preferred embodiment of the present invention to Fig. 6.

Fig. 7 B is a preferred embodiment of the present invention another partial enlarged drawing to Fig. 6.

Detailed description of the invention

Refer to shown in each figure, in a preferred embodiment of the present invention, the flexible connection of the gantry beam that provides structure 10 includes a pedestal 20, and leads portion 30, a crossbeam 40, one first mat piece 50 and one second mat piece 60.

This pedestal 20 is tabular, in order to the basis arranging as other composed components.

This leads portion 30 for known movement guide technology, there are two guide rails 31 parallel to each other, mutually separate on the both sides that are divided into described pedestal 20 upside seat surfaces, the two pairs of

slides

32,33 are slidably installed in respectively respectively on this guide rail 31, two tabular adapters 34 bridge at respectively each on

slide

32,33 with side plate face, and give affixed by binding members such as bolts.

Described crossbeam 40 is general rectangular tabular, and with major axis two ends bridge described each to slide 32 on, make according to this this crossbeam 40 must be by each this slide 32 and on the guide path that respectively this guide rail 31 provides, shift reciprocately under the driving of external force.

Due to each this pedestal, lead the technology contents of portion and

crossbeam

20,30,40, revealer is similar with known technology institute substantially, is it is not done to excessive explanation.

Described the first mat piece 50 has the first pad 51 of the rectangular plate shape of a suitable thickness, be parallel to the respectively mode of this guide rail 31 with major axis, be located in 32 of the slides of these crossbeam 40 major axis one end and institute's adjacency thereof, four are the first variant part 52 that stitches shape is located at respectively on this first pad 51, in order to this first pad 51 is separated into five blocks 511 such as the first to the 5th grade in order along long axis direction, 512, 513, 514, 515, in order to do so that this first pad 51 with respectively this second and the

4th block

512, 514 is affixed by bolt and this crossbeam 40, simultaneously with respectively this first, the the 3rd and the

5th block

511, 513, 515 are fixed on a tabular adapter 34 by bolt,

Further, each described the first variant part 52 has had respectively 2 first seams 521, that the minor axis both end sides from this first pad 51 forms toward interior coaxial extension respectively, and make respectively this first seam 521 elongated end end each other be separated by come and be not connected, and the direction of extending perpendicular to the each long axis direction of this guide rail 31,2 second seams 522 are for being located in parallel with each other this first pad 51 on each correspondence position between these the first seam 521 elongated end ends, and the last vertical connection of elongated end of first seam 521 corresponding to respectively.

60 of described the second mat pieces have the second pad 61 of the rectangular plate shape of a suitable thickness, be parallel to the respectively mode of this guide rail 31 with major axis, sandwiched is fixed in 33 of the slides of these crossbeam 40 major axis another ends and institute's adjacency thereof, four are the second variant part 62 that stitches shape is located at respectively on this second pad 61, in order to this second pad 61 is separated into five blocks 611 such as the 6th to the tenth grade, 612, 613, 614, 615, in order to do so that this second pad 61 with each the 7th and the

9th block

612, 614 is affixed by bolt and this crossbeam 40, simultaneously with respectively the 6th, the the 8th and the

tenth block

611, 613, 615 are fixed on another tabular adapter 34 by bolt,

Further, each described the second variant part 62 has had respectively 2 the 3rd seams 621, distolateral toward the suitable length of interior coaxial extension from these the second pad 61 minor axis two ends respectively, and make its elongated end end each other not be connected and be separated with mutually suitable distance, the Fpir Crevices 622 of two suitable lengths, being parallel to respectively the 3rd seam 621 bearing of trends and being divided on the correspondence position that this second pad 61 is positioned at each the 3rd seam 621 both sides, also comes with this distolateral being separated by of the second pad 61 minor axises in two ends.

By the composition of above-mentioned member, the flexible connection structure 10 of described gantry beam makes described crossbeam 40 not directly with respectively this slide 32 is affixed, but make this crossbeam 40 and each this slide 32 respectively with each this pad 51, 61 different blocks position connects, and indirectly this crossbeam 40 is combined with each this slide 32, accordingly, in the time that gantry facility exert an influence the deviating cause of crossbeam stability because of operation or environment, can by respectively this first, the

second variant part

52, 62 allow respectively this first, the second pad 51, 61 different blocks are concrete effect of relative displacement to each other, absorption causes the stress of beam deformation, thereby maintain the stability of this crossbeam 40, to promote the machining accuracy of gantry processor tool.

Claims

1. the flexible connection of gantry beam structure, is characterized in that, it comprises:

2. the flexible connection of gantry beam according to claim 1 structure, it is characterized in that, described the first variant part has 2 first seams, toward each other toward interior coaxial extension and be not communicated with mutually from the both sides of described the first pad, and the bearing of trend that makes respectively this first seam is perpendicular to the each long axis direction of this guide rail, 2 second seams, are located parallel respectively between elongated end end of this first seam, and respectively with one first vertical connection of seam.

3. the flexible connection of gantry beam according to claim 1 and 2 structure, it is characterized in that, described the second variant part has 2 the 3rd seams, toward each other toward interior coaxial extension and be not communicated with mutually from the both sides of described the second pad, and the bearing of trend that makes respectively the 3rd seam is perpendicular to the each long axis direction of this guide rail, two Fpir Crevices are parallel to the both sides that are respectively positioned at the 3rd seam the 3rd seam bearing of trend, and two ends are also separated by and come with the both sides of this second pad respectively.