CN216759683U - Five cradle revolving stages installation tools - Google Patents

Abstract

The embodiment of the utility model relates to a five-axis cradle turntable mounting jig, wherein a first line rail and a second line rail are respectively arranged on the left side and the right side of a base, the first line rail and the second line rail extend along the X-axis direction, a left mounting platform and a right mounting platform are respectively slidably mounted on the first line rail and the second line rail, a marble ruler is mounted on the rear side above the base, and the length direction of the marble ruler extends along the X-axis direction; a third linear rail is arranged between the left mounting platform and the right mounting platform above the base, the third linear rail extends along the Y-axis direction, and the cradle group fine adjustment lifting platform can be slidably mounted on the third linear rail; the cradle group fine adjustment lifting platform comprises a bottom plate and a top plate, the top plate and the bottom plate are horizontally arranged at an interval from top to bottom, and the cradle group fine adjustment lifting platform further comprises a first T-shaped screw rod pair used for adjusting the position of the bottom plate in the Y-axis direction in a front-back mode and a second T-shaped screw rod pair used for adjusting the position of the top plate in the Z-axis direction in an up-down mode. The installation jig can be used for adjusting operation quickly, accurately and effectively, and assembly precision is guaranteed.

Description

Five cradle revolving stages installation tools

Technical Field

The embodiment of the utility model relates to the technical field of numerical control machine tools, in particular to a five-axis cradle rotary table mounting jig.

Background

The five-axis cradle turntable is an important component of a numerical control machine tool, and in the assembly process of the five-axis cradle turntable, the rotating axis of an A axis of a cradle group is required to be coaxial with the rotating axes of the A axis turntable and a tailstock, and meanwhile, the rotating axis of a C axis of the cradle group is required to be coplanar with the rotating axis of the A axis.

In the existing five-axis cradle turntable mounting jig, the cradle group is adjusted up and down in the Z-axis direction usually by increasing or reducing the thickness of a gasket, and the cradle group is pushed by a screw to realize front and back adjustment in the Y-axis direction.

SUMMERY OF THE UTILITY MODEL

In view of this, an embodiment of the present invention provides a five-axis cradle turntable installation jig with high assembly efficiency and capable of ensuring assembly accuracy.

In order to solve the technical problem, the embodiment of the utility model provides a five-axis cradle turntable mounting jig which comprises a base, a left mounting platform for bearing a tailstock, a right mounting platform for bearing an A-axis turntable and a marble ruler; a first linear rail and a second linear rail are respectively arranged on the left side and the right side of the base, the first linear rail and the second linear rail extend along the X-axis direction, the left mounting platform and the right mounting platform are respectively slidably mounted on the first linear rail and the second linear rail, the marble ruler is mounted on the rear side above the base, and the length direction of the marble ruler extends along the X-axis direction; the mounting jig further comprises a cradle group fine-tuning lifting table, a third line rail is arranged between the left mounting platform and the right mounting platform above the base, the third line rail extends along the Y-axis direction, and the cradle group fine-tuning lifting table is slidably mounted on the third line rail; the cradle group fine adjustment lifting platform comprises a bottom plate and a top plate used for bearing a cradle group, the top plate and the bottom plate are arranged at an upper-lower horizontal interval, and the cradle group fine adjustment lifting platform further comprises a first T-shaped screw rod pair used for adjusting the position of the bottom plate in the Y-axis direction and a second T-shaped screw rod pair used for adjusting the position of the top plate in the Z-axis direction in the up-down direction.

Further, the cradle group fine adjustment lifting platform further comprises a support, the support is located between the top plate and the bottom plate, the first T-shaped screw rod pair is connected between the bottom plate and the base, and the second T-shaped screw rod pair is located on the bottom plate and connected with the support.

Further, the first T-shaped screw pair comprises a first T-shaped screw, a first screw fixing seat, a first screw nut and a first hand wheel, the first screw fixing seat is fixedly mounted on the base, the first T-shaped screw penetrates through the first screw fixing seat, the first screw nut is sleeved on the first T-shaped screw and is fixedly mounted at the bottom of the bottom plate, and the first hand wheel is fixedly mounted at one end of the first T-shaped screw.

Further, the support comprises a first support arm and a second support arm, the first support arm is in an X shape, the middle parts of the first support arm and the second support arm are crossed and rotatably pivoted together, the second support arm is also in an X shape, the middle parts of the first support arm and the second support arm are also crossed and rotatably pivoted together, the first support arm and the second support arm are parallel to each other in the X-axis direction, the rear ends of the first support arm and the second support arm are rotatably pivoted on the top plate and the bottom plate, the front ends of the first support arm and the second support arm are slidably supported at the bottom of the top plate and the top of the bottom plate, the bottom of the front ends of the first support arm and the second support arm are fixed on the second T-shaped screw rod pair, and the second T-shaped screw rod pair is installed on the bottom plate.

Further, the front ends of the first support arm and the second support arm are respectively provided with a roller, and the rollers are abutted against the bottom surface of the top plate and the top surface of the bottom plate.

Furthermore, the bottoms of the front ends of the first support arm and the second support arm are connected through a connecting shaft, and the connecting shaft is fixed on the second T-shaped screw rod pair.

Furthermore, the second T-shaped screw pair comprises a second T-shaped screw, a second screw fixing seat, a second screw nut and a second hand wheel, the second screw fixing seat is fixedly mounted on the bottom plate, the second T-shaped screw penetrates through the second screw fixing seat, the second screw nut is sleeved on the second T-shaped screw and fixed to the bottoms of the front ends of the first support arm and the second support arm, and the second hand wheel is fixedly mounted at one end of the second T-shaped screw.

Furthermore, the top surface of the cradle group fine adjustment lifting platform is provided with two rows of bosses for bearing the cradle group, and the length directions of the two rows of bosses extend along the Y-axis direction and are parallel to each other.

Further, the top surface of cradle group fine setting elevating platform is equipped with a plurality of fixed blocks that are used for injecing and adjusting cradle group position, the fixed block is in divide into two rows of parallel intervals setting around the Y axle direction, be cradle group mounted position between two rows of fixed blocks, each fixed block is L shape, and its bottom is fixed in on the cradle group fine setting elevating platform, its lateral part is worn to be equipped with the adjusting screw who is used for fixing, adjusts cradle group position.

Furthermore, the part of the top surface of the base between the left mounting platform and the right mounting platform is recessed downwards, and the third linear rail is located at the recessed part of the base.

Compared with the prior art, the cradle group fine adjustment lifting table is additionally arranged in the installation jig, the front and back position concentricity and the up and down direction concentricity of the cradle group, the tailstock and the A-axis turntable can be adjusted, fine adjustment of the cradle group fine adjustment lifting table in the Y-axis direction and the Z-axis direction is achieved through the T-shaped lead screw pair, the T-shaped lead screw has a self-locking function, and position locking after the cradle group fine adjustment lifting table is adjusted in place can be guaranteed in the adjustment process. The position around Y axle orientation is organized to vice finely tune cradle of first T type lead screw, the position about Z axle orientation is organized to vice finely tune cradle of second T type lead screw, the convenience is fast, accurate, the adjustment operation effectively to tailstock, A axle revolving stage, cradle group three, tailstock and A axle revolving stage are organized when being connected with the cradle, coaxial requirement can be guaranteed with the rotation axis of cradle group to tailstock and A axle revolving stage, the rotation axis of cradle group horizontal direction and the central axis of tailstock and A axle revolving stage can be guaranteed to be located the coplanar, the rotation axis of cradle group and the rotation axis vertical accuracy requirement of tailstock and A axle revolving stage.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the embodiments of the present invention, and it is also possible for a person skilled in the art to obtain other drawings based on the drawings.

Fig. 1 is a schematic structural diagram of a preferred embodiment of the present invention.

Fig. 2 is a schematic structural view of the embodiment shown in fig. 1 in another direction.

Fig. 3 is a partially enlarged view of the portion i in fig. 1.

Fig. 4 is a partially enlarged view of the region ii in fig. 1.

Fig. 5 is a partially enlarged view of the region iii in fig. 1.

Fig. 6 is a partially enlarged view of the portion iv in fig. 2.

Fig. 7 is a schematic view of the structure of the cradle set fine adjustment lifting table and the base in fig. 1.

Fig. 8 is a schematic structural view of the cradle set and the fine adjustment lifting platform of the cradle set in fig. 1.

Fig. 9 is a schematic structural view of the fine adjustment lifting platform of the cradle set in fig. 1.

Fig. 10 is a structural view of the cradle set fine adjustment lifting table shown in fig. 9 in another direction.

Fig. 11 is a structural view of a detection tool in the mounting process of the mounting jig shown in fig. 1.

Fig. 12 is a schematic view illustrating the installation height detection of the tailstock and the a-axis turntable during the installation process of the installation jig shown in fig. 1.

Fig. 13 is a schematic diagram of the upper end surface of the marble ruler and various important detection positions of the installation jig shown in fig. 1 in the installation process.

Fig. 14 is a schematic view of the front end face of the marble ruler and various important detection positions of the installation jig shown in fig. 1 in the installation process.

Fig. 15 is a schematic view of the cradle set, the tailstock, and the a-axis turntable assembled during the installation process of the installation jig shown in fig. 1.

Fig. 16 is a schematic structural view of the mounting jig shown in fig. 1 after assembly.

Detailed Description

In order to make those skilled in the art better understand the technical solutions in the embodiments of the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all the embodiments. All other embodiments obtained by a person skilled in the art based on the embodiments of the present invention shall fall within the scope of the protection of the embodiments of the present invention.

In the description of the embodiments of the present invention, it should be noted that the terms "X axis", "Y axis" and "Z axis" refer to conventional three-axis directions, i.e. coordinate axis directions indicated in fig. 1; the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "horizontal", "vertical", and the like indicate orientations or positional relationships that are based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing embodiments of the present invention and simplifying the description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral connections; the two components can be directly connected or indirectly connected through an intermediate medium, and the two components can be communicated with each other. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 and 2, a five-axis cradle table mounting fixture according to a preferred embodiment of the present invention is shown, wherein the X-axis and the Y-axis are perpendicular to each other in a horizontal plane, and the Z-axis is perpendicular to the horizontal plane where the X-axis and the Y-axis are located.

The installation jig comprises a base 1, a left installation platform 2 used for bearing a tailstock 7, a right installation platform 3 used for bearing an A-axis rotary table 8, a marble ruler 4 and a cradle group fine adjustment lifting table 5. The left side and the right side of the base 1 are respectively provided with a first linear rail 11 and a second linear rail 12, the first linear rail 11 and the second linear rail 12 extend along the X-axis direction, and the left mounting platform 2 and the right mounting platform 3 are respectively slidably mounted on the first linear rail 11 and the second linear rail 12. The marble ruler 4 is installed on the rear side above the base 1, and the length direction of the marble ruler extends along the X-axis direction. A third linear rail 13 is arranged between the left mounting platform 2 and the right mounting platform 3 above the base 1, the third linear rail 13 extends along the Y-axis direction, and the cradle group fine adjustment lifting platform 5 can be slidably mounted on the third linear rail 13. The cradle group fine adjustment lifting platform 5 comprises a bottom plate 54 and a top plate 53 used for bearing the cradle group 6, the top plate 53 and the bottom plate 54 are horizontally arranged at intervals up and down, and the cradle group fine adjustment lifting platform 5 further comprises a first T-shaped lead screw pair 51 used for adjusting the position of the bottom plate 54 back and forth in the Y-axis direction and a second T-shaped lead screw pair 52 used for adjusting the position of the top plate 53 up and down in the Z-axis direction.

Specifically, referring to fig. 3, a plurality of base adjustment modules 14 are uniformly distributed below the base 1, and each base adjustment module 14 includes an adjustment screw 141, an anchor pad 142, and a lock nut 143. The adjusting screw 141 is connected with the base 1 through a screw thread, the lower end of the adjusting screw 141 is contacted with the foot pad 142, and the locking nut 143 is connected with the upper part of the adjusting screw 141 through a screw thread.

The first linear rail 11 is provided with two guide rails which are parallel to each other in a horizontal plane, the two guide rails are installed on the left side above the base 1 through screws, the bottom of the left installation platform 2 is connected with a first linear rail sliding block (not marked in the figure) through screws, and the first linear rail sliding block is connected with the first linear rail 11 in a sliding mode. The second line rail 12 also has two parallel guide rails in the horizontal plane, the two guide rails are installed on the right side above the base 1 through screws, the bottom of the right installation platform 3 is connected with a second line rail sliding block (not shown in the figure) through screws, and the second line rail sliding block is connected with the second line rail 12 in a sliding mode. The first and second line rails 11 and 12 are identical in model, the installation surfaces of the first and second line rails are machined by a grinding machine at one time, and the first and second line rails 11 and 12 are detected by a 00-level marble ruler in the assembling process, so that the straightness and parallelism of the first and second line rails 11 and 12 meet the requirements.

A tailstock 7 is installed above the left installation platform 2 through a screw, a positioning key groove 21 for positioning is formed in the center of the upper end face of the left installation platform 2 along the X-axis direction, and the tailstock 7 is positioned in the front and back directions through a positioning key (not marked in the figure) and the positioning key groove 21. The front and the rear of the tailstock 7 are both provided with a tailstock adjusting module 71 for adjusting the front and the rear positions of the tailstock 7, the tailstock adjusting module 71 comprises an adjusting block 711, an adjusting screw 712 and an adjusting cushion 713, the adjusting cushion 713 is clamped between the front and the rear end surfaces of the tailstock 7 and the adjusting block 711, and the adjusting screw 712 is arranged on the adjusting block 711 (as shown in fig. 4). The left side of the left mounting platform 2 is provided with a limiting metal plate 23 through a screw, and the limiting metal plate 23 is limited at the left side through a limiting screw 24 arranged on the base 1.

An a-axis turntable 8 is mounted above the right mounting platform 3 through a screw, a positioning key groove 31 for positioning is formed in the center of the upper end face of the right mounting platform 3 along the X-axis direction, and the a-axis turntable 8 is positioned in the front and rear positions through a positioning key 32 and the positioning key groove 31 (as shown in fig. 5). A limiting sheet metal 33 is mounted on the right side of the a-axis turntable 8 through screws, and the limiting sheet metal 33 completes right-side position limitation through a limiting screw 34 (shown in fig. 16) mounted on the base 1.

Referring to fig. 6, a marble block 41 is installed at the upper rear part of the base 1, and the marble straight edge 4 is located on the marble block 41. The front end and the rear end of the marble cushion block 41 are provided with the marble ruler adjusting module 43, the marble ruler adjusting module 43 comprises an adjusting block 431 and an adjusting screw 432, and the adjusting screw 432 is installed on the adjusting block 431 and used for adjusting the position of the marble ruler 4 and further limiting the position of the marble ruler 4.

Referring to fig. 7 to 10, a portion of the top of the base 1 between the left and right mounting platforms 3 is recessed downward, the third wire rail 13 is mounted at the recessed portion of the base 1, the bottom of the cradle set fine adjustment lifting platform 5 is connected with a third wire rail sliding block (not shown) through screws, and the third wire rail sliding block is connected with the third wire rail 13 in a sliding manner. The third linear rail 13 is provided with two guide rails which are parallel to each other in the horizontal plane, the mounting surface of the guide rails is machined through a grinding machine, the third linear rail 13 is detected by a 00-level marble ruler in the assembling process, the requirements of straightness and flatness of the third linear rail 13 are met, and the third linear rail 13 is guaranteed to be parallel to the first linear rail 11 and the second linear rail 12 in the Z-axis direction.

The cradle group fine adjustment lifting platform 5 can adjust the height position of the cradle group 6 in a lifting way and can adjust the coaxiality of the cradle group 6, the A-axis rotating platform 8 and the tailstock 7 in a front-back moving way. Specifically, the cradle set fine adjustment lifting platform 5 further comprises a support 55, the top plate 53 and the bottom plate 54 are horizontally arranged at an interval, and the support 55 is located between the top plate 53 and the bottom plate 54. The first T-shaped screw rod pair 51 is connected between the bottom plate 54 and the base 1, and the second T-shaped screw rod pair 52 is positioned on the bottom plate 54 and connected with the bracket 55.

The first T-screw pair 51 includes a first T-screw 511, a first screw holder 512, a first screw nut 513 and a first hand wheel 514. The first screw rod fixing seat 512 is fixedly installed at the rear end above the base 1, the first T-shaped screw rod 511 is arranged in the first screw rod fixing seat 512 in a penetrating manner, the first screw rod nut 513 is sleeved on the first T-shaped screw rod 511 and is fixedly installed at the bottom of the bottom plate 54, and the first hand wheel 514 is fixedly installed at one end of the first T-shaped screw rod 511. The first hand wheel 514 is adjusted to drive the first T-shaped screw rod 511 to rotate, so as to push the first screw rod nut 513 to move back and forth, and the first screw rod nut 513 further drives the bottom plate 54 to move back and forth, so that the back and forth position of the cradle group fine adjustment lifting platform 5 in the Y-axis direction is changed. In this embodiment, the first T-shaped screw 511 is fixed in the first screw fixing seat 512 by a rolling bearing and a precision nut (not labeled), and the lead of the first T-shaped screw pair 51 is 5 mm.

The frame 55 includes a first frame arm 551 and a second frame arm 552, the first frame arm 551 is X-shaped, the middle portions of the first frame arm 551 intersect and are pivotally connected together, the second frame arm 552 is X-shaped, the middle portions of the second frame arm 552 intersect and are pivotally connected together, and the first frame arm 551 and the second frame arm 552 are parallel to each other in the X-axis direction. The first and second support arms 551 and 552 are pivotally connected to the top plate 53 and the bottom plate 54 at their rear ends, and are slidably supported at their front ends on the bottom of the top plate 53 and the top of the bottom plate 54. The bottoms of the front ends of the first and second support arms 551 and 552 are fixed to the second T-shaped wire rod pair 52, and the second T-shaped wire rod pair 52 is mounted on the base plate 54. In this embodiment, the bottom of the front ends of the first and second support arms 551 and 552 are connected by a connecting shaft 553, and the connecting shaft 553 is fixed to the second T-shaped screw pair 52. In order to make the movement of the supporting frame 55 relative to the top plate 53 and the bottom plate 54 smoother, the front ends of the first and second supporting arms 551 and 552 are respectively provided with a roller 554, and the roller 554 abuts against the bottom surface of the top plate 53 and the top surface of the bottom plate 54.

The second T-screw pair 52 includes a second T-screw 521, a second screw holder 522, a second screw nut 523, and a second wheel 524. The second screw rod fixing seat 522 is fixedly installed at the front end above the bottom plate 54, the second T-shaped screw rod 521 is arranged in the second screw rod fixing seat 522 in a penetrating manner, the second screw rod nut 523 is sleeved on the second T-shaped screw rod 521 and fixed at the bottoms of the front ends of the first support arm 551 and the second support arm 552, and the second hand wheel 524 is fixedly installed at one end of the second T-shaped screw rod 521. In this embodiment, the second lead screw nut 523 is fixed on the connecting shaft 553 of the bracket 55, the second wheel 524 is rotated to drive the second T-shaped lead screw 521 to rotate, so as to push the second lead screw nut 523 to move back and forth, and the second lead screw nut 523 drives the connecting shaft 553 to move back and forth, so that the first and second bracket arms 551 and 552 rotate around the pivot shaft, so that the height of the top plate 53 changes, and the height of the cradle set 6 can be adjusted. In this embodiment, the second T-shaped screw 521 is fixed in the second screw fixing seat 522 by a rolling bearing and a precision nut (not shown), and the lead of the second T-shaped screw pair 52 is 5 mm.

Two rows of bosses 531 for bearing the cradle group 6 are arranged on the top surface of the cradle group fine adjustment lifting platform 5, and the length directions of the two rows of bosses 531 extend along the Y-axis direction and are parallel to each other. The top surface of the cradle group fine-tuning lifting platform 5 is also provided with a plurality of fixed blocks 532 for limiting and adjusting the position of the cradle group 6, the fixed blocks 532 are divided into a front row and a rear row in the Y-axis direction and are arranged at intervals in parallel, the bosses 531 are positioned between the two rows of the fixed blocks 532, and the cradle group 6 mounting position is arranged between the two rows of the fixed blocks 532. Each fixing block 532 is L-shaped, the bottom of the fixing block is fixed on the fine adjustment lifting platform 5 of the cradle group through screws, an adjusting screw 533 for adjusting the position of the cradle group 6 is arranged on the side of the fixing block in a penetrating manner, and the position of the cradle group 6 is fixed and adjusted through the adjusting screw 533.

In the installation process, the positions of the tailstock 7, the A-axis rotary table 8 and the cradle group 6 are detected through a plurality of detection rods 9. Specifically, a tailstock detection rod 9a is mounted on an end face of the tailstock 7 through a screw, and the tailstock detection rod 9a and the tailstock 7 are positioned through a positioning boss (not shown in the figure) and are concentric with the tailstock 7. An A-axis turntable detection rod 9b is mounted on the end face of the A-axis turntable 8 through a screw, and the A-axis turntable detection rod 9b and the A-axis turntable 8 are positioned through a positioning boss (not marked in the figure) and are concentric with the A-axis turntable 8. The left end and the right end of the cradle group 6 are respectively provided with an A-axis detection rod 9c through screws, and the A-axis detection rod 9c is positioned through bosses (not marked in the figure) and is concentric with the left end face and the right end face of the cradle group 6; the C-axis detection rod 9d is installed on the C-axis table top of the cradle group 6 through a screw, and the C-axis detection rod 9d is positioned through a boss (not marked in the figure) and is concentric with the C-axis table top of the cradle group 6.

A detection tool 10 is placed on each detection rod 9, and the detection tool 10 is connected with the detection rods 9 in a sliding mode through inner holes. Specifically, referring to fig. 11 together, the detecting tool 10 includes a detecting ring gauge 101, a connecting rod 102, a connecting bracket 103 and a dial indicator 104. The detection ring gauge 101 is sleeved on the detection rod 9, the connecting rod 102 is fixedly connected with the detection ring gauge 101 through a fixing screw, the connecting bracket 103 is fixedly connected with the connecting rod 102 through a clamping screw, and the dial indicator 104 is fixedly connected with the connecting bracket 103 through a clamping screw.

Referring to fig. 12 to 16 together, the mounting method of the five-axis cradle turntable mounting jig is as follows.

The base 1 is adjusted so that its top surface is kept horizontal. Specifically, the lock nut 143 is locked after the horizontal adjustment is completed by adjusting the adjusting screw 141 of the base adjusting module 14.

The marble ruler 4 is adjusted so that the front end face is parallel to the side faces of the first and second line rails 11, 12, and the upper end face is parallel to the top faces of the first and second line rails 11, 12. Specifically, the front and rear positions of the marble ruler 4 in the Y-axis direction are adjusted by adjusting the adjusting screws 432 of the marble ruler adjusting module 43, so that the front end surface of the marble ruler 4 is parallel to the side surfaces of the first and second tracks 11 and 12; the upper end surface of the marble straight edge 4 is parallel to the top surfaces of the first and second line rails 12 by scraping the marble cushion block 41.

The left and right mounting platforms 2 and 3 are respectively mounted on the first and second line rails 11 and 12, and the left and right mounting platforms 2 and 3 are adjusted so that the upper end surfaces thereof are parallel and equal in height and the side end surfaces thereof are parallel to the side end surfaces of the marble ruler 4. Specifically, by scraping the contact surfaces of the first and second track sliders at the bottoms of the left and right mounting platforms 2 and 3, the upper end surfaces of the left and right mounting platforms 2 and 3 are made parallel and equal in height (E// F as shown in fig. 13, and H1= H2), and by adjusting the mounting positions of the left and right mounting platforms 2 and 3, the positioning key grooves 21 and 31 on the left and right mounting platforms 2 and 3 are made parallel to the marble straightedge 4, even if the side end surfaces of the left and right mounting platforms 2 and 3 are parallel to the side end surfaces of the marble straightedge 4 (E1// a1// F1 as shown in fig. 14).

The method comprises the steps of respectively placing a tailstock 7 and an A-axis rotary table 8 on a left mounting platform 2 and a right mounting platform 3, providing a tailstock detection rod 9a and an A-axis rotary table detection rod 9b, respectively installing the tailstock detection rod 9a and the A-axis rotary table detection rod 9b on the tailstock 7 and the A-axis rotary table 8, respectively measuring the height and the perpendicularity data of the central axes of the tailstock 7 and the A-axis rotary table 8 through the tailstock detection rod 9a and the A-axis rotary table detection rod 9b, and adjusting the tailstock 7 or the A-axis rotary table 8 to enable the central axes of the tailstock 7 and the A-axis rotary table 8 to be equal in height. Specifically, the detection tool 10 is used for detecting the height and the verticality of the center of the tailstock 7 and the A-axis turntable 8; the same height of the tailstock 7 and the A-axis turntable 8 is ensured by scraping the bottoms of the two (as shown in figure 12, namely H3= H4).

And (3) respectively and fixedly installing the tailstock 7 and the A-axis rotary table 8 on the upper end surfaces of the left and right installation platforms 2 and 3, ensuring that the central axis of the A-axis rotary table detection rod 9b is parallel to the marble ruler 4, and adjusting the tailstock 7 and the A-axis rotary table 8 to ensure that the central axis of the tailstock detection rod 9a is concentric with the central axis of the A-axis rotary table detection rod 9 b. Specifically, by adjusting the adjusting screw 712 of the tailstock adjusting module 71, the front-back position of the tailstock 7 in the Y-axis direction is adjusted, so as to ensure that the central axis of the tailstock detecting rod 9a is parallel to the marble ruler 4 (as shown in fig. 14, i.e., E2// a1, and E2// a), and ensure that the central axis of the tailstock detecting rod 9a and the central axis of the a-axis turntable detecting rod 9b are at the same distance from the front end face of the marble ruler 4 (as shown in fig. 14, i.e., D1= D2), i.e., ensure that the rotation central axis of the tailstock 7 is concentric with the rotation central axis of the a-axis turntable 8.

And (3) mounting the cradle group fine adjustment lifting platform 5 on the third linear rail 13, and adjusting the cradle group fine adjustment lifting platform 5 to enable the mounting surface of the cradle group on the cradle group fine adjustment lifting platform to be parallel to the upper end surface of the marble straight scale 4. Specifically, after the cradle set fine adjustment lifting platform 5 is fixed, the convex table 531 on the upper end face of the cradle set fine adjustment lifting platform 5 is shoveled and scraped, so that the convex table is parallel to the upper end face of the marble ruler 4, and the marble ruler 4, the left mounting platform 2 and the right mounting platform 3 are guaranteed to be parallel.

The cradle group 6 is placed on the mounting surface of the cradle group fine adjustment lifting table 5, and the mounting surface at the bottom of the cradle group 6 is adjusted to enable the C-axis table surface of the cradle group 6 to be parallel to the upper end surface of the marble straight scale 4. Specifically, the cradle group 6 has a boss (not shown) at the bottom thereof, and the cradle group 6 is leveled by scraping the boss at the bottom of the cradle group 6, so that the C-axis table surface of the cradle group 6 is parallel to the upper end surface of the marble straight ruler 4, even though the cradle group 6 is parallel to the left and right mounting platforms 2 and 3.

Providing two A-axis detection rods 9c, respectively installing the two A-axis detection rods 9c on the end surfaces of the left side and the right side of the cradle group 6, and adjusting the cradle group 6 to enable the central axis of the A-axis detection rods 9c on the two sides to be parallel to the upper end surface and the front end surface of the marble ruler 4. Specifically, by scraping the end faces of the left and right sides of the cradle group 6, it is ensured that the central axes of the a-axis detection bars 9C of the two sides are parallel to the upper end face and the front end face of the marble straight edge 4 (as shown in fig. 13 and 14, i.e., B// a and B1// a1, C// a and C1// a 1), even if the central axes of the a-axis turntable detection bars 9B and the tailstock detection bars 9a of the cradle group 6 are parallel.

The second T-shaped lead screw pair 52 is adjusted to ensure that the A-axis detection rod 9c at the two sides of the cradle group 6 has the same height and the same axle center as the A-axis turntable detection rod 9b and the tailstock detection rod 9 a. Specifically, the second hand wheel 524 is rotated to drive the second T-shaped lead screw 521 to rotate, so as to push the second lead screw nut 523 to move back and forth, and the second lead screw nut 523 drives the connecting shaft 553 to move back and forth, so that the first and second support arms 551 and 552 rotate around the pivot shaft, so as to change the height of the top plate 53, thereby adjusting the height position of the cradle group 6, and making the a-axis detection rods 9c at the two sides of the cradle group 6 have the same height as the a-axis turntable detection rod 9b and the tailstock detection rod 9a (as shown in fig. 13, i.e., H1= H2= H3= H4).

Providing a C-axis detection rod 9d, installing the C-axis detection rod 9d on a C-axis table top of the cradle group 6, enabling the C-axis detection rod 9d to be concentric with a C-axis rotating axis of the cradle group 6, detecting the C-axis detection rod 9d and the A-axis detection rod 9C, adjusting a first T-shaped lead screw pair 51, and enabling the central axis of the C-axis detection rod 9d to be coplanar with the central axis of the A-axis turntable detection rod 9 b. Specifically, the C-axis detection rod 9D and the a-axis detection rod 9C are detected by the detection tool 10, and the first hand wheel 514 is rotated to drive the first T-shaped screw rod 511 to rotate, so as to push the first screw rod nut 513 to move back and forth, and the first screw rod nut 513 further drives the bottom plate 54 to move back and forth in the Y-axis direction, so that the back and forth position of the cradle group fine adjustment lifting platform 5 in the Y-axis direction changes, and the central axis of the C-axis detection rod 9D is coplanar with the central axis of the a-axis platform detection rod 9b (as shown in fig. 14, i.e., D1= D2= D3), i.e., the C-axis rotation axis is ensured to be coplanar with the rotation axis of the a-axis platform 8.

And (3) removing all the detection rods 9, moving the left and right mounting platforms 2 and 3 to enable the A-axis turntable 8 and the tailstock 7 to be close to the cradle group 6, and fixedly connecting the cradle group 6 with the A-axis turntable 8 and the tailstock 7. Specifically, the cradle group 6 is fixedly connected with the a-axis turntable 8 and the tailstock 7 through screws.

And fixing the left and right mounting platforms 2 and 3 to finish the assembly. Specifically, the left and right mounting platforms 2 and 3 are fixed by fixing blocks (not shown). And finally, dismantling the fixed block, completing mechanical assembly, and performing functional tests such as turning after electrification.

The cradle group fine adjustment lifting platform 5 is additionally arranged in the installation jig of the embodiment of the utility model, the front and back position concentricity and the up and down direction concentricity of the cradle group 6, the tailstock 7 and the A-axis rotary table 8 can be adjusted, the fine adjustment of the cradle group fine adjustment lifting platform 5 in the Y-axis and Z-axis directions is realized through a T-shaped lead screw pair, the T-shaped lead screw has a self-locking function, and the position locking after the adjustment in place can be ensured in the adjustment process. The first T-shaped wire rod pair 51 can finely adjust the front and back positions of the cradle group 6 in the Y-axis direction, the second T-shaped wire rod pair 52 can finely adjust the up and down positions of the cradle group 6 in the Z-axis direction, so that the tailstock 7, the A-axis turntable 8 and the cradle group 6 can be conveniently adjusted quickly, accurately and effectively, when the tailstock 7 and the A-axis turntable 8 are connected with the cradle group 6, the tailstock 7, the A-axis turntable 8 and the rotating axis of the cradle group 6 can meet the coaxial requirement, the rotating axis of the cradle group 6 in the horizontal direction and the central axes of the tailstock 7 and the A-axis turntable 8 can meet the same plane, and the rotating axis of the cradle group 6 and the rotating axis of the tailstock 7 and the A-axis turntable 8 meet the vertical precision requirement.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. A five-axis cradle turntable mounting jig comprises a base, a left mounting platform used for bearing a tailstock, a right mounting platform used for bearing an A-axis turntable and a marble ruler; the marble ruler is arranged on the rear side above the base, and the length direction of the marble ruler extends along the X-axis direction; the cradle set fine-adjustment lifting table is arranged above the base and between the left mounting platform and the right mounting platform, and extends along the Y-axis direction; the cradle group fine adjustment lifting platform comprises a bottom plate and a top plate used for bearing a cradle group, the top plate and the bottom plate are arranged at an upper-lower horizontal interval, and the cradle group fine adjustment lifting platform further comprises a first T-shaped screw rod pair used for adjusting the position of the bottom plate in the Y-axis direction and a second T-shaped screw rod pair used for adjusting the position of the top plate in the Z-axis direction in the up-down direction.

2. The five-axis cradle turntable mounting jig according to claim 1, wherein the cradle group fine adjustment lifting table further comprises a bracket, the bracket is located between the top plate and the bottom plate, the first T-shaped screw rod pair is connected between the bottom plate and the base, and the second T-shaped screw rod pair is located on the bottom plate and connected with the bracket.

3. The five-axis cradle turntable mounting jig according to claim 2, wherein the first T-shaped lead screw pair includes a first T-shaped lead screw, a first lead screw fixing seat, a first lead screw nut and a first hand wheel, the first lead screw fixing seat is fixedly mounted on the base, the first T-shaped lead screw is inserted into the first lead screw fixing seat, the first lead screw nut is sleeved on the first T-shaped lead screw and is fixedly mounted at the bottom of the bottom plate, and the first hand wheel is fixedly mounted at one end of the first T-shaped lead screw.

4. The five-axis cradle turntable mounting jig according to claim 2, wherein the support includes a first support arm and a second support arm, the first support arm is X-shaped, the middle parts of the first support arm and the second support arm are crossed and rotatably pivoted together, the second support arm and the second support arm are also X-shaped, the middle parts of the first support arm and the second support arm are crossed and rotatably pivoted together, the first support arm and the second support arm are parallel to each other in the X-axis direction, the rear ends of the first support arm and the second support arm are rotatably pivoted on the top plate and the bottom plate, the front ends of the first support arm and the second support arm are slidably supported on the bottom of the top plate and the top of the bottom plate, the bottom of the front ends of the first support arm and the second support arm are fixed on the second T-shaped screw pair, and the second T-shaped screw pair is mounted on the bottom plate.

5. The five-axis cradle turntable mounting jig according to claim 4, wherein the front ends of the first and second support arms are each mounted with a roller that abuts against the bottom surface of the top plate and the top surface of the bottom plate.

6. The five-axis cradle turntable mounting jig according to claim 4, wherein the bottoms of the front ends of the first and second support arms are connected through a connecting shaft, and the connecting shaft is fixed on the second T-shaped screw pair.

7. The five-axis cradle turntable mounting jig according to claim 2, wherein the second T-shaped lead screw pair includes a second T-shaped lead screw, a second lead screw fixing seat, a second lead screw nut and a second hand wheel, the second lead screw fixing seat is fixedly mounted on the bottom plate, the second T-shaped lead screw is inserted into the second lead screw fixing seat, the second lead screw nut is sleeved on the second T-shaped lead screw and fixed to the bottom of the front end of the first support arm and the bottom of the front end of the second support arm, and the second hand wheel is fixedly mounted at one end of the second T-shaped lead screw.

8. The five-axis cradle turntable mounting jig according to any one of claims 1 to 7, wherein two rows of bosses for bearing the cradle set are arranged on the top surface of the cradle set fine adjustment lifting table, and the length directions of the two rows of bosses extend along the Y-axis direction and are parallel to each other.

9. The five-axis cradle turntable mounting jig according to any one of claims 1 to 7, wherein the top surface of the cradle group fine adjustment lifting table is provided with a plurality of fixed blocks for limiting and adjusting the position of the cradle group, the fixed blocks are divided into a front row and a rear row in the Y-axis direction and arranged at intervals in parallel, the cradle group mounting position is arranged between the two rows of fixed blocks, each fixed block is L-shaped, the bottom of each fixed block is fixed on the cradle group fine adjustment lifting table, and the side part of each fixed block is penetrated with an adjusting screw for fixing and adjusting the position of the cradle group.

10. The five-axis cradle turntable mounting jig according to any one of claims 1 to 7, wherein a portion of the top surface of the base between the left and right mounting platforms is recessed downward, and the third linear rail is located in the recessed portion on the base.

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