CN202292108U

CN202292108U - Alignment platform

Info

Publication number: CN202292108U
Application number: CN2011202779055U
Authority: CN
Inventors: 王锦燕; 卓金星
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-08-02
Filing date: 2011-08-02
Publication date: 2012-07-04
Anticipated expiration: 2021-08-02

Abstract

The utility model provides an alignment platform, which comprises a base, a workbench and three groups of mobile devices, wherein the mobile devices are arranged between the base and the workbench, so that the mobile devices can drive the workbench to move; and each mobile device comprises a mobile part, a fixed part and a pushing mechanism, wherein the fixed part is fixedly arranged on the base and provided with a rotatable screw rod, the mobile part is provided with a screw hole which can be screwed on the screw rod, and the pushing mechanism applies force to each mobile part, so that each mobile part pushes against one end of each screw rod. Therefore, according to the alignment platform, a gap around the screw rods is kept at a fixed position by using the pushing mechanisms, and the influence of the gap on the positioning capability of the alignment platform can be removed, and the positioning accuracy and the moving accuracy of the alignment platform are greatly improved.

Description

To bit platform

Technical field

The utility model relates to a kind of to bit platform.

Background technology

Known can be said with reference to TaiWan, China M400904 patent to bit platform; Be to utilize many groups to move the unit drives platform to move; Each group moves unit screw rod then capable of using and rotates and drive platform and move back and forth along screw rod, wherein, because the needs in manufacturing tolerance and the assembling; Can there be the gap that to remove between screw rod and the screw that cooperates screw rod, and reduces the precision when bit platform processed the location.

In more detail; When screw rod drive platform moved back and forth, the gap may change because of the screw rod feed reversing with respect to the position of screw rod, thereby the position of platform is changed; Perhaps do not move to preposition really, and make platform not by running fix accurately to preposition.

Except that above-mentioned reason; Even if the user utilizes wherein one group to move the unit platform is moved to the exact position on a certain direction; After the user further operated the mobile unit of another group, two or more sets moved the unit with interfering with each other, and the position in gap is changed once more; And script is squinted the position accurately, reduce the precision of location.

The utility model content

It is a kind of to bit platform that the main purpose of the utility model is to provide, and can have running fix ability more accurately, and contraposition result of use accurately can be provided.

For reaching above-mentioned purpose, it is a kind of to bit platform that the utility model provides, and comprises a base, three mobile devices and a workbench.

Respectively this mobile device comprises a fixed part, a movable part and a pushing and pressing mechanism, and respectively this fixed part has a screw rod, and respectively this fixed part is fixedly arranged on this base; Respectively this movable part has a screw; Respectively the movable part of this mobile device screws togather with corresponding screw rod, and respectively this fixed part can drive screw rod rotation separately, makes those movable parts screw translation of edge correspondence separately; Respectively this pushing and pressing mechanism forces in respectively this movable part; Order respectively this movable part along this screw rod respectively to the respectively wherein end pushing and pressing of this screw rod, in three screw rods wherein two not parallel each other, the 3rd screw rod then with these two screw rods in one of them screw rod parallel.This workbench is located at those movable parts, drives this movable workbench or rotation when respectively this movable part moves.

With this; The utility model pushing and pressing capable of using mechanism pushes against in movable part and fixed part; Make the gap between screw rod and the movable part remain in fixing position; Remove the gap for the position of workbench or the influence of running fix, significantly improve the precision that bit platform is used, use effect and have progressive contraposition.

Description of drawings

Fig. 1 is the stereogram of the utility model.

Fig. 2 is the three-dimensional exploded view of mobile device in the utility model.

Fig. 3 is the side view of mobile device in the utility model.

Fig. 4 is the vertical view of mobile device in the utility model.

Fig. 5 is the profile of screw rod and screw in the utility model.

[main element symbol description]

1: base 11: the active slide rail

2: mobile device 21: fixed part

211: screw rod 212: holder

213: power part 214: screw tightening

22: movable part 221: screw

222: slide block 223: seat portion

224: combination block 225: perforation

226: latch 227: locating hole

228: jack 231: elastic component

3: mobile device 4: mobile device

5: workbench 51: by movable slider

52: turning block.

The specific embodiment

Below only with embodiment the embodiment that the utility model is possible being described, so is not the scope in order to the desire protection of restriction the utility model institute, close chat earlier bright.

Please refer to Fig. 1, it is a kind of to bit platform that the utility model provides, and includes a base 1, three mobile devices 2,3,4 and a workbench 5, and each mobile device comprises a fixed part, a movable part and a pushing and pressing mechanism respectively, and each fixed part has a screw rod respectively.

Those mobile devices 2,3,4 are located between this base 1 and this workbench 5; Move with respect to this base 1 in order to control this workbench 5; Accurately positioning, and can supply the workpiece of desire processing is fixed on the workbench 5, further carry out accurate operations.This base 1 supplies those mobile devices 2,3,4 to be provided with, the preferably, and this base 1 has three initiatively slide rails 11.The movable part of each mobile device is slidedly arranged on a wherein active slide rail respectively, and a screw rod is parallel respectively with wherein for those active slide rails.

Please refer to Fig. 2 to Fig. 4, aforesaid mobile device 2 includes a fixed part 21, a movable part 22 and a pushing and pressing mechanism.

As shown in Figure 1, this fixed part 21 is fixedly arranged on this base 1 and has a screw rod 211, and this fixed part 21 can drive this screw rod 211 and rotate; Say that more clearly this fixed part 21 comprises screw rod 211, a holder 212 and a power part 213, this holder 212 is fixedly arranged on base 1; This screw rod 211 is arranged in this holder 212, and this holder 212 is around the rotation of the axle center of screw rod 211 self relatively, and this power part 213 is fixed in this holder 212; And be connected in this screw rod 211; Make this power part 213 can drive this screw rod 211 and rotate, more particularly, this power part can include motor, servomechanism and reducing gear.This fixed part 21 comprises two screw tightenings 214 in addition, the preferably, and these two screw tightenings, 214 screw locks are fixed in this holder 212.

This movable part 22 has a screw 221, and this movable part 22 screws togather with this screw rod 211, makes when this screw rod 211 rotates; This movable part 22 will be along these screw rod 211 translations; Say that more clearly this movable part 22 can be slidedly arranged on one of them initiatively slide rail 11 through a slide block 222, make this movable part 22 only can be along 11 slippages of active slide rail; This is slide rail 11 and parallel with this screw rod 211 initiatively, makes this screw rod 211 drive movable part 22 slips through rotating.Wherein, this movable part 22 can include a portion 223 and a combination block 224, and this one 223 is fixedly arranged on this slide block 222; This combination block 224 is fixedly arranged on this one 223, and this combination block 224 is provided with this screw 221, and this one 223 also is provided with the perforation 225 coaxial and bigger with this screw 221; With this, the utility model can be provided with accurate screw thread at the screw 221 of combination block 224, supplies screw rod 211 to screw togather; And combination block 224 can have better simply profile and profile, and can be easier in carrying out processing and fabricating.This movable part 22 may further include two latches 226; This movable part 22 forms two locating holes 227 and two jacks 228 in addition; More particularly; This two locating hole 227 is to be positioned at this one 223 with this two jack 228, and this two locating hole 227 is parallel with this screw rod 211, and this two jack 228 laterally is communicated in one of them locating hole 227 respectively.

This pushing and pressing mechanism applies strength in this movable part 22; Make this movable part 22 along of the wherein end pushing and pressing of this screw rod 211, say that more clearly this pushing and pressing mechanism includes two elastic components 231 to screw rod 211; Respectively this elastic component 231 can be set to spring; This two elastic component 231 is inserted in one of them locating hole 227 respectively, and this two latch 226 also is inserted in one of them jack 228 and one of them elastic component 231 respectively, make this two elastic component 231 wherein an end be individually fixed in this movable part 22.The other end of this two elastic component 231 then is sheathed on one of them screw tightening 214 respectively, makes this two elastic component 231 also be fixed in fixed part 21 simultaneously respectively.Further; This two elastic component 231 is stretched in advance; Make elastic component 231 can haul movable part 22 and push against towards fixed part 21 along screw rod 211, yet, in other possible embodiment of the utility model; Also can change this two elastic component 231 is compressed in advance, movable part 22 is supported towards the thruster away from fixed part 21 along screw rod 211.In the utility model preferred embodiment, this two locating hole 227 lays respectively at the both sides of this screw 221, make this two elastic component 231 be listed in the both sides of screw rod 211, and elastic component capable of using 231 pushes against movable part 22 fifty-fifty.

Can be provided with three groups of mobile devices 2,3,4 in the utility model, more than only lift wherein that one group of mobile device 2 is an example so that describe, 3,4 of all the other two groups of mobile devices can have same or analogous structure.Wherein, the screw rod in those mobile devices 2,3,4 wherein two not parallel each other, the preferably; Vertical for each other; The another one screw rod is then parallel with one of them screw rod, as shown in Figure 1, makes those mobile devices 2,3,4 can at random drive workbench 5 and moves horizontally; The screw rod that is parallel to each other during start, then can drive workbench 5 and rotate in opposite direction.

This workbench 5 is arranged at the movable part 22 of each mobile device, makes that driving workbench 5 when movable part 22 moves moves or rotate, wherein; This workbench 5 can further comprise three groups by movable slider 51 and three groups of turning blocks 52; Each is to be mounted slidably in one of them movable part 22 by movable slider 51, more particularly, is to be mounted slidably in seat portion 223; Its slidably direction the moving direction with movable part 22 is vertical separately; 52 of those turning blocks are to be arranged at rotationally by movable slider 51, when the movable part of those mobile devices 2,3,4 is moved, can drive workbench 5 swimmingly and move or rotate.

Utilize said apparatus, please refer to Fig. 5, this movable part 22 will receive the pushing and pressing of pushing and pressing mechanism; And along the wherein end pushing and pressing of screw rod 211 to screw rod 211; Gap in the screw 221 is held in the opposite side of movable part 22 pushing and pressing directions, and when screw rod 211 drive movable parts 22 were moved, movable part 22 can accurately be located through the rotation number of turns or the rotational angle of screw rod 211; Please refer to Fig. 1 again; When 2,3,4 starts simultaneously of three groups of mobile devices, the position of each movable part and displacement are held in definite target location and distance values at any time, and can reach the displacement of workbench 5 or the accurate location of position at any time; The position error that produces because of feed reversing can not occur, significantly improve the precision and the precision of processing.

Hold above-mentioned, commonly used to bit platform in because the movable part of each mobile device is located coarse problem easily; The position error of each movable part is had nothing in common with each other, even may disturb, make the position of other movable parts that skew by a small margin take place because of moving of one of them movable part; And make workbench generation combined type and complicated position error, and can't utilize the numerical operation mode to proofread and correct, could reduce error and must simultaneously all movable parts be moved to the location; Make commonly used bit platform to be difficult to further improve the precision of location, to this, what the utility model provided can move to definite precalculated position with each movable part to bit platform; Even if there is one of them movable part to move; Also be not easy other movable parts are disturbed, and can position accurately, and workbench is maintained at definite position; Further improve the precision and the degree of accuracy of processing, be worth and have high technology.

Secondly, the utility model can further be inserted in the elastic component in the pushing and pressing mechanism in the locating hole, and the strength of spring pushing and pressing is remained on the predetermined direction, more can further improve the precision that the utility model uses.

Moreover the utility model can be arranged in two elastic components 231 both sides of screw rod 211 symmetrically, and screw rod 211 can further evenly and stably be combined with screw 221, further improves the precision of the utility model.

In sum, the utility model has increased substantially the accurate positioning degree to bit platform, and can reduce the workpiece manufacturing tolerance, breaks through the bottleneck of processing precise degree in the tradition processing, and is real in having the effect of progress.

Claims

1. one kind to bit platform, it is characterized in that, comprises:

One base;

Three mobile devices; Respectively this mobile device comprises a fixed part, a movable part and a pushing and pressing mechanism, and respectively this fixed part has a screw rod, and respectively this fixed part is fixedly arranged on this base; Respectively this movable part has a screw; Respectively the movable part of this mobile device screws togather with corresponding screw rod, in three screw rods wherein two not parallel each other, the 3rd screw rod then with these two screw rods in one of them screw rod parallel;

One workbench is located at those movable parts, drives this movable workbench or rotation when respectively this movable part moves.

2. as claimed in claim 1ly bit platform is characterized in that respectively this pushing and pressing mechanism comprises two elastic components, respectively this elastic component one end is fixedly arranged on corresponding fixed part, and the other end is fixedly arranged on corresponding movable part.

3. as claimed in claim 2 to bit platform; It is characterized in that this movable part also comprises two latches, this movable part forms two locating holes and two jacks; This two jack communicates with a locating hole wherein respectively; This two elastic component is inserted in a wherein locating hole respectively, and this two latch is inserted in wherein a jack and wherein an elastic component respectively, makes this two elastic component be individually fixed in this movable part.

4. as claimed in claim 2 bit platform is characterized in that elastic component that respectively should pushing and pressing mechanism is stretched in advance, the movable part that makes the elastic component of this pushing and pressing mechanism respectively haul correspondence pushes against to the fixed part of correspondence.

5. as claimed in claim 3 bit platform is characterized in that elastic component that respectively should pushing and pressing mechanism is stretched in advance, the movable part that makes the elastic component of this pushing and pressing mechanism respectively haul correspondence pushes against to the fixed part of correspondence.

6. as each is described to bit platform in the claim 2 to 5, it is characterized in that respectively the elastic component in this mobile device is listed in the both sides of corresponding screw rod.

7. as each is described to bit platform in the claim 1 to 5, it is characterized in that this base has three slide rails initiatively, those movable parts are slidedly arranged on wherein a slide rail initiatively respectively, those initiatively slide rails a screw rod is parallel respectively with wherein.

8. as claimed in claim 6 bit platform is characterized in that this base has three slide rails initiatively, those movable parts are slidedly arranged on wherein a slide rail initiatively respectively, those initiatively slide rails a screw rod is parallel respectively with wherein.