CN202171449U

CN202171449U - Three-coordinate measuring machine with cantilever structure supporting arm

Info

Publication number: CN202171449U
Application number: CN201120294457XU
Authority: CN
Inventors: 封善斋
Original assignee: Hexagon Metrology Qingdao Co Ltd
Current assignee: Hexagon Metrology Qingdao Co Ltd
Priority date: 2011-08-15
Filing date: 2011-08-15
Publication date: 2012-03-21
Anticipated expiration: 2021-08-15

Abstract

The utility model provides a three-coordinate measuring machine with a cantilever structure supporting arm, which can solve the problem that charging and discharging can be carried out only in two directions in the prior art. The three-coordinate measuring machine with the cantilever structure supporting arm comprises a workbench, an X-direction supporting arm, a Y-direction supporting arm, a Z-direction measuring arm, an X-direction drive system for driving the Y-direction supporting arm to move in the X direction, a Y-direction drive system for driving the Z-direction measuring arm to move in the Y direction and an optical grating reader system, wherein a measuring head is arranged on the Z-direction measuring arm; a Z-direction section of the workbench is L-shaped, and comprises a horizontal workbench and a vertical wall body, the X-direction supporting arm is arranged on the upper surface of the vertical wall body along the X direction; one end of the Y-direction supporting arm is arranged on the X-direction supporting arm and the other end is suspended. Charging and discharging can be carried out in the forward and reversal directions of an X axis and in the forward direction of a Y axis by arranging the L-shaped workbench and the cantilever structure Y-direction supporting arm; the lower surface of the Y-direction supporting arm is an inclined surface, so that the deflection of the cantilever structure is reduced, and the precision of the measuring machine is ensured.

Description

Three coordinate measuring machine with cantilever design sway brace

Technical field

The utility model belongs to the measuring machine technical field, is specifically related to a kind of three coordinate measuring machine with cantilever design sway brace.

Background technology

The three coordinate measuring machine that generally uses at present, its Y is a bridge architecture to sway brace mostly, promptly the two ends of sway brace are called the bridge-type three coordinate measuring machine respectively by support construction supports.This bridge-type three coordinate measuring machine; Because Y is the fixed sealing closed end to the two ends of sway brace; Then can only carry out the loading and unloading (promptly placing or take out measured workpiece) of measured workpiece along the positive and negative both direction of X axle, workpiece loading and unloading direction is restricted, and has then limited the versatility of measuring machine.

Summary of the invention

The utility model provides a kind of three coordinate measuring machine with cantilever design sway brace, and the three coordinate measuring machine bridge-type gage beam that can solve the prior art existence can only be realized the problem of both direction loading and unloading.

For reaching above-mentioned technical purpose, the utility model adopts following technical scheme to realize:

A kind of three coordinate measuring machine with cantilever design sway brace; Comprise worktable, X to sway brace, along X to sway brace carry out X to the Y that moves to sway brace, along Y to sway brace carry out Y to the Z that moves to gage beam, drive Y to sway brace carry out X to the X that moves to drive system, drive Z to gage beam carry out Y to the Y that moves to drive system, grating reading system; The Z of said worktable is the L type to the cross section; Comprise horizontal table and vertical body of wall; X is to setting in the upper surface upper edge of said vertical body of wall to sway brace for said X, and said Y is installed in said X on sway brace to sway brace one end, and the other end is unsettled.

In the technical scheme of the utility model, also comprise following additional technical feature:

Be relatively set with X to line slideway about the upper surface of said vertical body of wall; Said X to drive system comprise X to drive motor, X to turn-screw and with X to the X of turn-screw threaded engagement to balladeur train; Said X on balladeur train the corresponding X that matches to line slideway with said X of being provided with to chute, Y to sway brace one end be installed in said X to the X of sway brace on balladeur train.

Said Y is relatively set with Y up and down to line slideway to the leading flank of sway brace; Said Y to drive system comprise Y to drive motor, Y to turn-screw and with Y to the Y of turn-screw threaded engagement to balladeur train; Said Y has the Y that matches to line slideway with said Y to chute to the both sides of balladeur train, and said Z vertically is installed in said Y on balladeur train to gage beam.

Said drive motor is installed in the installation end of said Y to sway brace.

Said Y is the inclined-plane to the lower surface of sway brace, and said inclined-plane is downward-sloping to its installation end to the free end of sway brace from said Y.

The angle of inclination on said inclined-plane is 5～15 °.

Said Y is the integrally casting profiled member and has the rectangular box of internal cavities to sway brace, is provided with box gusset in its free end and the pairing internal cavities of middle measuring section, is provided with the inclination gusset in the pairing internal cavities of its installation end.

Said Y is provided with the loss of weight fabrication hole to sway brace.

Said grating reading system is arranged on Y on the upper surface of sway brace, and its grating chi is placed to the upper surfaces level of sway brace along said Y, and near the last line slideway of said Y to sway brace.

Compared with prior art; The utlity model has following advantage and good effect: 1, be positioned at the L type worktable on the vertical body of wall to sway brace through the worktable of measuring machine being arranged to X; Y is installed in X on sway brace to sway brace one end, and the other end is unsettled, forms cantilever design; Then can carry out the loading and unloading of measured workpiece, help the use of measuring machine from positive and negative both direction of X axle and Y axle forward; 2, Y is the inclined-plane to the lower surface of sway brace, and the cantilever center of gravity as far as possible near the fixed installation end, has been reduced the amount of deflection of cantilever design, has guaranteed the measuring machine precision; 3, Y is to the moulding of sway brace integrally casting, and stability is high, has avoided cumulative errors, has improved the precision and the stability of measuring machine; 4, drive system is positioned at Y to the sway brace leading flank, adopts centre-driven, compact conformation, and transmission is stable.

Description of drawings

Fig. 1 has the structural representation of the three coordinate measuring machine of cantilever design sway brace for the utility model embodiment;

Fig. 2 be among the utility model embodiment Y to the structural representation of sway brace;

Fig. 3 is the front view of Fig. 2;

Fig. 4 is the structural representation of worktable among the utility model embodiment;

Wherein: 1, worktable; 1-1, horizontal table; 1-2, vertical body of wall; 2, X is to sway brace; 3, Y is to sway brace; 3-1, installation end; 3-2, free end; 3-3, middle measuring section; 3-4, leading flank; 3-5, lower surface; 3-6, internal cavities; 3-7, box gusset; 3-8, inclination gusset; 3-9, loss of weight fabrication hole; 3-10, upper surface; 4, Z is to gage beam; 5, X is to drive system; 5-1, X are to drive motor; 5-2, X are to turn-screw; 5-3, X are to balladeur train; 5-4, X are to chute; 6, Y is to drive system; 6-1, Y are to drive motor; 6-2, Y are to turn-screw; 6-3, Y are to balladeur train; 6-4, Y are to chute; 7, X is to line slideway; 8, Y is to line slideway; 9, grating chi; α, pitch angle.

Embodiment

For the purpose, technical scheme and the advantage that make the utility model embodiment clearer; To combine the accompanying drawing among the utility model embodiment below; Technical scheme among the utility model embodiment is carried out clear, intactly description; Obviously, described embodiment is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.

With reference to Fig. 1 and shown in Figure 4; A kind of three coordinate measuring machine of present embodiment with cantilever design sway brace; Comprise worktable 1, X to sway brace 2, Y to sway brace 3, Z to gage beam 4, drive system and grating reading system; During measurement; Y to sway brace 3 along X to sway brace 2 carry out X to move, Z carries out Y to move along Y to sway brace 3 to gage beam 4, drive system comprise drive Y to sway brace 3 carry out X to the X that moves to drive system 5 with drive Z to gage beam 4 carry out Y to the Y that moves to drive system 6.The Z of worktable 1 is the L type to the cross section; It comprises horizontal table 1-1 and vertical body of wall 1-2; X to sway brace 2 at the upper surface upper edge X of vertical body of wall 1-2 to setting; Y is installed in X to an end of sway brace 3 and on sway brace 2, forms installation end 3-1, and unsettled setting of the other end forms free end 3-2, is middle measuring section 3-3 between installation end 3-1 and the free end 3-2.

Drive system adopts actuated control system and DC servo motor to drive in the present embodiment; X to drive system 5 comprise X to drive motor 5-1, X to turn-screw 5-2 and with X to the X of turn-screw 5-1 threaded engagement to balladeur train 5-3; Be relatively set with X to line slideway 7 about vertically on the upper surface of body of wall 1-2; X on balladeur train 5-3 the then corresponding X that matches to line slideway 7 with X of being provided with to chute 5-4; Y is installed in X to the installation end 3-1 of sway brace 3 on balladeur train through bolt, then can carry out X to moving to the driving lower edge of drive system 5 X to sway brace 2 at X.

In like manner; Y to drive system 6 comprise Y to drive motor 6-1, Y to turn-screw 6-2 and with Y to the Y of turn-screw 6-2 threaded engagement to balladeur train 6-3; Y is provided with two relative up and down Y to line slideway 8 to the leading flank 3-4 of sway brace 3; Y is provided with the Y that matches to line slideway 8 with Y to chute 6-4 to the both sides of balladeur train 6-3 correspondence, and Z vertically is installed in Y on balladeur train 6-3 to gage beam 4, then can carry out Y to moving to the driving lower edge of drive system 6 Y to sway brace 3 at Y.

Y is installed in the installation end 3-1 of Y to sway brace 3 to drive motor 6-1, to reduce the amount of deflection of its cantilever design.

As shown in Figures 2 and 3; Because Y is bigger to sway brace 3 weight own, for reducing the amount of deflection of its cantilever design further, Y is the inclined-plane to the lower surface 3-5 of sway brace 3; Downward-sloping to its installation end 3-1 to the free end 3-2 of sway brace 3 from Y, the value of inclined angle alpha is 5～15 °.So, the center of gravity of cantilever design has reduced its amount of deflection effectively near fixing installation end 3-1, has guaranteed the measuring accuracy of measuring machine.

Based on technique scheme, optional, Y adopts the integrally casting moulding to sway brace 3; It is the rectangular box with square internal cavities 3-6; Adopt the square core that connects during Mold Making, improved the processing and the releasing process of mould, reduce the generation of casting flaw.Set up box gusset 3-7 in the pairing internal cavities in the position of free end 3-2 and middle measuring section 3-3; In the pairing internal cavities in the position of its installation end 3-1, set up inclination gusset 3-8; Layout through the inner gusset of reasonably optimizing; The integral rigidity of cantilever design is strengthened greatly, deflection deformation is reduced to minimum.

Be further loss of weight, Y is provided with a plurality of loss of weight fabrication hole 3-9 to sway brace 3, and a plurality of loss of weight fabrication hole 3-9 evenly arrange.

The grating reading system is arranged on Y on the upper surface 3-10 of sway brace 3 in the present embodiment; Its grating chi 9 levels, and are arranged near Y to positions that two line slideways up and down 8 of sway brace 3 are gone up line slideways to the upper surface 3-10 of sway brace 3 horizontal positioned along Y.

The above; It only is the preferred embodiment of the utility model; Be not to be the restriction of the utility model being made other form, any professional and technical personnel of being familiar with possibly utilize the technology contents of above-mentioned announcement to change or be modified as the equivalent embodiment of equivalent variations.But every the utility model technical scheme content that do not break away to any simple modification, equivalent variations and remodeling that above embodiment did, still belongs to the protection domain of the utility model technical scheme according to the technical spirit of the utility model.

Claims

1. three coordinate measuring machine with cantilever design sway brace; Comprise worktable, X to sway brace, along X to sway brace carry out X to the Y that moves to sway brace, along Y to sway brace carry out Y to the Z that moves to gage beam, drive Y to sway brace carry out X to the X that moves to drive system, drive Z to gage beam carry out Y to the Y that moves to drive system, grating reading system; Said Z is equipped with gauge head on gage beam; It is characterized in that: the Z of said worktable is the L type to the cross section; Comprise horizontal table and vertical body of wall; X is to setting in the upper surface upper edge of said vertical body of wall to sway brace for said X, and said Y is installed in said X on sway brace to sway brace one end, and the other end is unsettled.

2. the three coordinate measuring machine with cantilever design sway brace according to claim 1; It is characterized in that: be relatively set with X to line slideway about the upper surface of said vertical body of wall; Said X to drive system comprise X to drive motor, X to turn-screw and with X to the X of turn-screw threaded engagement to balladeur train; Said X on balladeur train the corresponding X that matches to line slideway with said X of being provided with to chute, Y to sway brace one end be installed in said X to the X of sway brace on balladeur train.

3. the three coordinate measuring machine with cantilever design sway brace according to claim 2; It is characterized in that: said Y is relatively set with Y up and down to line slideway to the leading flank of sway brace; Said Y to drive system comprise Y to drive motor, Y to turn-screw and with Y to the Y of turn-screw threaded engagement to balladeur train; Said Y has the Y that matches to line slideway with said Y to chute to the both sides of balladeur train, and said Z vertically is installed in said Y on balladeur train to gage beam.

4. the three coordinate measuring machine with cantilever design sway brace according to claim 3 is characterized in that: said drive motor is installed in the installation end of said Y to sway brace.

5. according to claim 2 or 3 described three coordinate measuring machines with cantilever design sway brace, it is characterized in that: said Y is the inclined-plane to the lower surface of sway brace, and said inclined-plane is downward-sloping to its installation end to the free end of sway brace from said Y.

6. the three coordinate measuring machine with cantilever design sway brace according to claim 5 is characterized in that: the angle of inclination on said inclined-plane is 5～15 °.

7. the three coordinate measuring machine with cantilever design sway brace according to claim 5; It is characterized in that: said Y is the integrally casting profiled member and has the rectangular box of internal cavities to sway brace; Be provided with box gusset in its free end and the pairing internal cavities of middle measuring section, be provided with the inclination gusset in the pairing internal cavities of its installation end.

8. the three coordinate measuring machine with cantilever design sway brace according to claim 7 is characterized in that: said Y is provided with the loss of weight fabrication hole to sway brace.

9. the three coordinate measuring machine with cantilever design sway brace according to claim 5; It is characterized in that: said grating reading system is arranged on Y on the upper surface of sway brace; Its grating chi is placed to the upper surfaces level of sway brace along said Y, and near the last line slideway of said Y to sway brace.