CN205956217U - Straight line slider - Google Patents

Abstract

The utility model discloses a straight line slider, its bottom surface that contains a pedestal has a rail groove, and two lateral walls in the rail groove have a first load track respectively, and the pedestal of rail groove top is equipped with two first return flow lines, two end block that combine respectively at two terminal surfaces of pedestal, each end block's lateral surface has a circulation canal of first load track of intercommunication and first return flow line respectively, the difference montage is at the circulation end cover of end block's lateral surface, and the roller of a plurality of packings in first load track, first return flow line and a circulation canal, two first load tracks are from a terminal surface definition horizontal axis X and a vertical axis Y1, Y2, and these two first return flow lines are located horizontal axis X's top to lie in the within range between two orbital vertical axis Y1 of first load, the Y2, and a circulation canal be compound curve arc -shaped passageway, borrow this screw hole mutual interference of avoiding first return flow line and the processing of pedestal top surface, and the characteristic is arranged to the cunning when promoting the roller and rolling.

Description

Linear slide

Technical field

This utility model about a kind of linear slide, slide by espespecially a kind of straight line slide on a slide rail that is applied in Dynamic device.

Background technology

General linear slide is mainly applied in slides on a slide rail, and is available for other objects and is fixed on rolling In linear slide, and then drive other objects to move along this slide rail, be therefore frequently used in and need repeatedly to move linearly Mechanism in, the main tapping of such as toolroom machine, work platformses or conveying mechanism etc..

The pattern of existing rolling linear carriage has multiple, the rolling linear slip of the loading such as one of which four direction Device, it is generally implemented with the rectangle pedestal that a carbon steel material is made, and group is connected on the circulator at this pedestal two end, and is filled in this Most balls of pedestal；Wherein, this pedestal bottom surface central authorities is machined with a track slot, and the two side of track slot is arranged with more than two negative Lotus track (four load tracks altogether), the both sides Drilling operation in addition selecting track slot has the zero load rail in two roads running through this pedestal Road (four zero load tracks altogether, or claim return flow line)；This circulator's group is connected on this pedestal two end, and it is to should pedestal two end One side be provided with four road circulation canals, whereby by ball filling in the load track of this pedestal, zero load track (return flow line) With the circulation canal of this circulator, when making rolling linear carriage be enclosed within slip on slide rail, ball can Infinite Cyclic roll, And be supported between this pedestal and this slide rail using the ball being rolled in this load track.

However, existing four roads zero load track (return flow line) system extends transversely through pedestal, two roads of neighbouring pedestal top surface Zero load track (return flow line), can stop the screw hole (usually four screw holes) of pedestal top surface vertical direction, lead to The depth of screw hole is not enough and thread number is not enough, has influence on the steadiness locking the object on pedestal.To by return flow line Position move to not with screw hole interfere position, then be easily caused ball when rolling out load track or rolling into load track Hinder, therefore have and roll the phenomenon having some setbacks with abnormal sound, this is obvious quality flaw.

Utility model content

The purpose of this utility model is providing a kind of linear slide, and it passes through the return flow line of pedestal and following of two ends Ring passage construction improves, and then reaches and avoid ball return flow line and screw hole to interfere, and the object locking on pedestal is more firm, And the purpose that ball more smoothly rolls out load track or rolls into load track.

In order to achieve the above object, this utility model provides a kind of linear slide, comprises：One pedestal, it has two End face, one recessed in bottom surface central authorities in order to be slidably set in the track slot of a slide rail, what two roads were symmetrical is formed at this track slot two One first load track of side wall, and the first return flow line of two roads and this first load parallel track, this track slot, the first load Track and the first return flow line lead directly to the biend of this pedestal；The end block of two biends being bonded respectively to this pedestal, respectively should End block has a lateral surface parallel with this end face, and this lateral surface is respectively formed with this first load track of connection and this first time Two road first circulation passages of circulation road；Group is connected on two circuiting end caps of the lateral surface of this end block respectively；And multiple it is filled in this Roller in first load track, this first return flow line and this first circulation passage,

The central point from end face direction for this two roads the first load track defines a horizontal axis (X), this two road first load The central point from end face direction for the track defines two vertical axis (Y1), (Y2) respectively, and this first return flow line of two roads is located at this rail Groove and the top of this horizontal axis (X), and it is located at the model between two vertical axis (Y1) of this first load track of two roads, (Y2) In enclosing, or the center of this first return flow line of two roads align respectively this two roads the first load track two vertical axis (Y1), (Y2)；This first circulation passage of two roads is two symmetrical road passages, and this first circulation passage of two roads is in the lateral surface of this end block View directions are respectively communicated with the two road curved channels of this first load track and this first return flow line, and wherein together this first follows Ring passage is connected with the first quartile angle (θ 1) in the first quartile (I) between this horizontal axis (X) and this vertical axis (Y1) Wherein together this first load track, this first circulation passage of another road with this horizontal axis (X) and this vertical axis (Y2) it Between the second quadrant (II) in the second quadrant angle (θ 2) connect another road this first load track.

Wherein this first quartile angle (θ 1) is from 30 initial positive angles (θ 1a) of this horizontal axis (X) to 60 positive angles Unspecified angle between (θ 1b).

Wherein this second quadrant angle (θ 2) is positive to 150 from 120 initial positive angles (θ 2a) of this horizontal axis (X) Unspecified angle between angle (θ 2b).

Wherein there is between this two end block the communicating pipe being located at this first return flow line inwall respectively, formed in this communicating pipe The backflow through hole of one lateral surface being communicated to two end blocks, this first circulation channel connection is in this first load track and this company The backflow through hole of siphunculus.

Wherein this end is integrally formed communicating pipe two or group is connected between two end blocks.

The track slot two side wall of wherein this pedestal is arranged with one second load track respectively；Between the both sides of two end blocks respectively There is a connecting portion, in the side of this pedestal or bottom surface, this connecting portion is provided with one and is communicated to two end blocks for this connecting portion closing Second return flow line of lateral surface, the lateral surface of two end blocks have be respectively communicated with the second load track of this pedestal with this second 3rd circulation canal of return flow line.

This utility model has the advantage that：

This utility model linear slide, can be utilized this first return flow line to be located at the structure design above this track slot, Avoid the boring of four screw holes on this pedestal and tapping processing, overcome existing return flow line to stop the problem of screw hole, make Four screw holes on this pedestal can be worked into deeper depth, and the screw therefore, it is possible to enable other objects is locked into this screw The deeper depth in hole, promotes the firm effect locking.By Gai Gai bis- road first circulation passage respectively with the first load track even , so that the rolling path of ball is more smoothly, therefore ball is from load track for the tectonic sieving of logical angle and curved channel Load surface roll to first circulation lead to, or ball from first circulation lead to roll to load track load surface when, track can be reduced Interference factor and passage between, reaches and rolls more smooth Yu quiet effect.

Brief description

Fig. 1 is the schematic diagram of this utility model linear slide and slide rail combination application.

Fig. 2 is the exploded perspective schematic diagram of this utility model linear slide.

Fig. 3 is this utility model pedestal and the schematic perspective view of two end blocks and communicating pipe.

Fig. 4 is the position view of this utility model two road the first return flow line.

Fig. 5 is the connection diagram of this utility model first circulation passage and the first load track.

Fig. 6 is the connection diagram of this utility model another first circulation passage and the first load track.

Fig. 7 is the forward sight generalized section of this utility model linear slide.

Fig. 8 is the forward sight generalized section of another embodiment of this utility model linear slide.

Fig. 9 is the side elevational cross-section schematic diagram of this utility model linear slide.

In figure：

10 linear slide；20 slide rails；

201 tracks；1 pedestal；

11 end faces；12 bottom surfaces；

13 track slots；14 first load tracks；

15 first return flow lines；16 screw holes；

17 second load tracks；2 end blocks；

21 lateral surface；22nd, 22 ' first circulation passage；

23 communicating pipes；231 backflow through hole；

24 connecting portions；25 second return flow lines；

26 the 3rd circulation canals；3 circuiting end caps；

31 second circulation passages；32 the 4th circulation canals；

4 rollers；X horizontal axis；

Y1, Y2 vertical axis；A1 scope；

I first quartile；θ 1 first quartile angle；

θ 1a forward direction angle；θ 1b forward direction angle；

II second quadrant；θ 2 second quadrant angle；

θ 2a forward direction angle；θ 2b forward direction angle.

Specific embodiment

The utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings, so that those skilled in the art This utility model can be better understood from and can be practiced, but illustrated embodiment is not as to restriction of the present utility model.

Refering to shown in Fig. 1 and Fig. 2, linear slide 10 of the present utility model, for being slidably set in a slide rail 20 The roller linear slide of upper movement, is rolled on slide rail 20 using the roller 4 in linear slide 10, reaches smooth Effect with low friction resistance.Referring again to shown in Fig. 2 and Fig. 3, this linear slide 10 preferably specific embodiment comprises：One Pedestal 1, this pedestal 1 be carbon steel other metal materials are machined or other preparation methods made by rectangular blocks, trapezoid block Body or its allothimorph, this main constructing of pedestal 1 has two plane vertical end faces 11 (as shown in Figure 3), one recessed in In order to be slidably set in the track slot 13 of a slide rail 20, what at least two roads were symmetrical is formed at this track slot 13 2 side in bottom surface 12 central authorities Wall in order to accommodating one first load track 14 of roller 4, and at least two roads parallel with this first load track 14 in order to accommodate First return flow line 15 of roller 4, wherein this track slot 13, the first load track 14 and the first return flow line 15 linearly connect respectively Lead to the construction of the biend 11 of this pedestal 1.

Refering to shown in Fig. 2 and Fig. 3, the biend 11 of this pedestal 1 respectively in connection with there being an end block 2, preferably mould by this end block 2 Material ejection formation is constituted, and end block 2 can be made to be coated on this pedestal 1 using embedded ejection formation (Insert Molding) method Biend 11, or it is combined in biend 11 with other connecting structure groups.Respectively this end block 2 has a lateral surface parallel with this end face 11 21, respectively this lateral surface 21 form the first circulation of connection this first load track above-mentioned 14 and this first return flow line 15 respectively Passage 22,22 ', the recessed lateral surface 21 in this end block 2 of this first circulation passage 22,22 ', make this first circulation passage 22,22 ' Connect this first load track 14 and this first return flow line 15.Two respectively group be connected on this end block 2 lateral surface 21 circulation End cap 3, this circuiting end caps 3 have to should first circulation passage 22,22 ' Ling bis- road second circulation passage 31, make first to follow Ring passage 22,22 ' and second circulation passage 31 be merged into one completely can guide rollers 4 passage.And, multiple be filled in this Roller 4 in one load track 14, this first return flow line 15 and this first circulation passage 22,22 ' and second circulation passage 31, This roller 4 is spherical ball, enables roller 4 in this first load track 14, this first return flow line 15 and this first circulation Passage 22,22 ' and rolling with Infinite Cyclic in second circulation passage 31, and when being rolled to this first load track 14, can It is supported between this first load track 14 and the track 201 on this slide rail 20 surface (as shown in Figures 5 and 6).

Particularly, refering to shown in Fig. 4, of the present utility model it is improved by this two roads the first load track 14 above-mentioned from end face The central point in direction defines a horizontal axis X, and this two roads the first load track 14 central point from end face direction defines one respectively Vertical axis Y1, Y2, whereby, this two roads, first return flow line 15 above-mentioned are implemented in the upper of this track slot 13 and this horizontal axis X Side, and be located in scope A1 between vertical axis Y1, Y2 of this two roads the first load track 14, or Shi Gai bis- road first flows back Align vertical axis Y1, Y2 of this two roads the first load track 14 respectively, in short, this two road first flows back at the center of passage 15 The lateral attitude of passage 15 is less than the outside of vertical axis Y1, Y2 of this two roads the first load track 14, makes this pedestal 1 whereby Four screw holes 16 of top surface can be avoided this first return flow line 15 and be worked into deeper depth, will not flow back with two roads first Passage 15 interferes, thus has enough threads and provide lock screw.

Furthermore, refering to shown in Fig. 4, two road first circulation passages 22,22 ' of the lateral surface 21 of above-mentioned respectively this end block 2 are phase Two symmetrical road passages, this two roads first circulation passage 22,22 ' this end block 2 lateral surface 21 view directions assume connection should First load track 14 and two road curved channels of this first return flow line 15.Referring again to shown in Fig. 5, wherein this first follows together First quartile angle θ 1 first quartile I between this horizontal axis X and this vertical axis Y1 for the ring passage 22 is connected wherein one This first load track 14 of road, the angle connecting the first return flow line 15 as this first circulation passage 22 other end does not then limit System, and this first quartile angle θ 1 preferably angle is 30 positive angle θ 1a to the 60 forward direction angle θ 1b initiateing from this horizontal axis X Between unspecified angle.With additional reference to shown in Fig. 6, this first circulation passage 22 ' of above-mentioned another road then from this horizontal axis X with should The second quadrant angle θ 2 in the second quadrant II between vertical axis Y2 connects this first load track 14 of another road, and this first follows The angle that the ring passage 22 ' other end connects the first return flow line 15 does not equally limit, and this second quadrant angle θ 2 preferably angle It is the unspecified angle between 120 positive angle θ 2a to the 150 forward direction angle θ 2b initiateing from this horizontal axis X.

As shown in Fig. 7 or Fig. 8, this two roads first circulation passage 22 above-mentioned, 22 ' the past apparent directions also assume arc convex respectively Connect this first load track 14 and this first return flow line 15, therefore two road first circulation passages 22,22 ' are the arc of compound curve Shape passage.Whereby, linear slide 10 of the present utility model is so that roller 4 is on the rolling road of first circulation passage 22,22 ' Footpath is more smoothly, and respectively this roller 4 rolls to first circulation passage 22,22 ' from the load surface of the first load track 14, or respectively this rolling When son 4 rolls the load surface to the first load track 14 from first circulation passage 22,22 ', can reduce whereby track with logical Angle interference factor between road, reaches and rolls more smooth Yu quiet effect.

Need to be intended that, it is special that two road first circulation passages 22,22 ' of the lateral surface 21 of this end block 2 above-mentioned are embodied as The curved channel of compound curve, and respectively this first load track is connected to special first quartile angle θ 1 and the second quadrant angle θ 2 14, in the same manner, as shown in figure 3, the second circulation passage 31 of this circuiting end caps 3 above-mentioned is also same with this first circulation passage 22,22 ' Formed compound curve curved channel, that is, two second circulation passages 31 of this circuiting end caps 3 respectively with this first circulation passage 22nd, 22 ' corresponding couplings together, make first circulation passage 22,22 ', second circulation passage 31 is merged into one and completely can guide The passage of roller 4.

Referring again to shown in Fig. 7, this two roads, first return flow line 15 above-mentioned can be to implement Drilling operation institute structure for this pedestal 1 Become, and this first circulation passage 22,22 ' above-mentioned is connected to the first return flow line 15 by this end block 2 respectively, enable roller 4 straight Connect and roll into (and rolling out) first return flow line 15, that is, this roller 4 is in direct contact with the inwall rolling of this two roads the first return flow line 15 Dynamic.Or refering to shown in Fig. 3, Fig. 8 and Fig. 9, preferred embodiment is that this two end block 2 above-mentioned can be using embedded ejection formation (Insert Molding) method, forms the communicating pipe 23 positioned at this first return flow line 15 inwall further, makes this connection Pipe 23 2 end is integrally formed to be connected between this two end block 2, and is formed with communicating pipe 23 and is communicated to the outer of this two end block 2 The backflow through hole 231 of side 21, and this first circulation passage above-mentioned 22,22 ' and second circulation passage 31 be communicated in above-mentioned this One load track 14 and the backflow through hole 231 of this communicating pipe 23, and then make this roller 4 above-mentioned in this first return flow line 15 In communicating pipe 23, (in backflow through hole 231) rolls.This communicating pipe 23 above-mentioned not with integrally formed be connected to this two end block 2 it Between be limited, also mode group can be connect using group and be connected between this two end block 2.

Referring again to shown in Fig. 3, Fig. 4 and Fig. 9, linear slide 10 of the present utility model can be further embodied as four directions Deng the linear slide of loading, that is, the track slot 13 2 side wall in this pedestal 1 above-mentioned can be processed respectively again and is arranged with one second Load track 17；And form a connecting portion 24 respectively between two sides of above-mentioned this two end block 2, make this connecting portion 24 closing at this The second backflow of a lateral surface 21 being communicated to two end blocks 2 is formed among the side of pedestal 1 or bottom surface, and this connecting portion 24 Passage 25, and the lateral surface 21 of this two end block 2 forms the second load track 17 being respectively communicated with this pedestal 1 and this second backflow 3rd circulation canal 26 of passage 25, and this circuiting end caps 3 have to should the 3rd circulation canal 26 another 4th circulation logical Road 32, the 3rd circulation canal 26 is curved channel with the 4th circulation canal 32, and its angle is followed without implementing into above-mentioned first The special angle of ring passage 22,22 ', make the 3rd circulation canal 26 and the 4th circulation canal 32 be merged into one completely can guide rollers 4 passage, fills multiple rollers whereby in the second load track 17, the second return flow line 25 and second circulation passage 26,32 4, therefore can form the rolling linear carriage 10 of the loadings such as four directions.

Embodiment described above is only the preferred embodiment lifted for absolutely proving this utility model, this utility model Protection domain not limited to this.Equivalent substitute or change that those skilled in the art are made on the basis of this utility model Change, all within protection domain of the present utility model.Protection domain of the present utility model is defined by claims.

Claims (6)

1. a kind of linear slide, comprises：One pedestal, it has biend, one recessed in bottom surface central authorities in order to slidably to cover Be located at the track slot of a slide rail, what two roads were symmetrical is formed at one first load track of this track slot two side wall, and two roads with this First return flow line of one load parallel track, this track slot, the first load track and the first return flow line lead directly to the two of this pedestal End face；The end block of two biends being bonded respectively to this pedestal, respectively this end block there is a lateral surface parallel with this end face, should Lateral surface is respectively formed with the two road first circulation passages connecting this first load track and this first return flow line；Group connects respectively Two circuiting end caps in the lateral surface of this end block；And multiple be filled in this first load track, this first return flow line and this Roller in one circulation canal it is characterised in that：

The central point from end face direction for this two roads the first load track defines a horizontal axis (X), this two roads the first load track Central point from end face direction defines two vertical axis (Y1), (Y2) respectively, this first return flow line of two roads be located at this track slot and The top of this horizontal axis (X), and it is located at the scope between two vertical axis (Y1) of this first load track of two roads, (Y2) Interior, or the center of this first return flow line of two roads aligns two vertical axis (Y1) of this two roads the first load track, (Y2) respectively； This first circulation passage of two roads is two symmetrical road passages, and this first circulation passage of two roads is in the lateral surface visual angle side of this end block To the two road curved channels being respectively communicated with this first load track and this first return flow line, wherein one this first circulation passage It is connected wherein one with the first quartile angle (θ 1) in the first quartile (I) between this horizontal axis (X) and this vertical axis (Y1) This first load track of road, this first circulation passage of another road is between this horizontal axis (X) and this vertical axis (Y2) The second quadrant angle (θ 2) in two quadrant (II) connects this first load track of another road.

2. linear slide as claimed in claim 1 it is characterised in that wherein this first quartile angle (θ 1) be from this level The unspecified angle to 60 positive angles (θ 1b) for the 30 initial positive angles (θ 1a) of axis (X).

3. linear slide as claimed in claim 1 is it is characterised in that wherein this second quadrant angle (θ 2) is from this level The unspecified angle to 150 positive angles (θ 2b) for the 120 initial positive angles (θ 2a) of axis (X).

4. be located at respectively should for linear slide as claimed in claim 1 it is characterised in that wherein have between this two end block The communicating pipe of the first return flow line inwall, in this communicating pipe, form the backflow through hole of a lateral surface being communicated to two end blocks, should First circulation channel connection is in the backflow through hole of this first load track and this communicating pipe.

5. linear slide as claimed in claim 4 is it is characterised in that wherein this end is integrally formed communicating pipe two or group connects Between two end blocks.

6. linear slide as claimed in claim 1 is it is characterised in that the track slot two side wall of wherein this pedestal is recessed respectively There is one second load track；It is respectively provided with a connecting portion, this connecting portion closing is in the side of this pedestal between the both sides of two end blocks Face or bottom surface, this connecting portion is provided with the second return flow line of a lateral surface being communicated to two end blocks, the lateral surface of two end blocks There is the 3rd circulation canal of the second load track being respectively communicated with this pedestal and this second return flow line.