CN218524049U

CN218524049U - Tool jig for measuring five-axis rotation precision

Info

Publication number: CN218524049U
Application number: CN202221973388.XU
Authority: CN
Inventors: 林卫斌; 施学金; 孙明伟
Original assignee: Suzhou Deyung Cnc Machinery Co ltd
Current assignee: Suzhou Deyung Cnc Machinery Co ltd
Priority date: 2022-07-28
Filing date: 2022-07-28
Publication date: 2023-02-24
Anticipated expiration: 2032-07-28

Abstract

The utility model discloses a measure five-axis gyration precision's frock tool, including the magnetic force seat, the top of magnetic force seat is connected with the frock skeleton, is connected with first amesdial and second amesdial on the frock skeleton, and the frock skeleton is L shape structure, and the below tip of frock skeleton is equipped with the second mounting hole that runs through vertically, and the second mounting hole is connected with first locking groove, is equipped with the first locking hole that the level runs through the frock skeleton on the lateral wall of first locking groove; the top tip of frock skeleton is equipped with the third mounting hole that the level runs through, and the axis of third mounting hole intersects perpendicularly with the axis of second mounting hole, and the third mounting hole is connected with second locking groove, is equipped with the second locking hole that the level runs through the frock skeleton on the lateral wall in second locking groove. The utility model has the advantages that: the first dial indicator and the second dial indicator are fixed on the rotary platform, can be synchronously linked with the rotary platform, guarantees the accuracy of measured rigidity and measured data, and improves the machining precision of the machine tool.

Description

Tool jig for measuring five-axis rotation precision

Technical Field

The utility model relates to the technical field of machine tools, specifically be a measure five frock tools of gyration precision.

Background

Because the requirements of industries such as precision instruments, aerospace and the like on the machined parts are continuously improved, the traditional three-axis machine tool cannot meet the requirement of machining of complex curved surfaces, and the method is particularly important for verifying and detecting the assembly precision of a five-axis machine tool.

A five-axis machine tool is a machine tool which has high technological content and high precision and is specially used for machining complex curved surfaces, and a workpiece can be clamped once to complete machining of a pentahedron. If a high-grade numerical control system with five-axis linkage is matched, the high-precision machining can be performed on the complex space curved surface, and the machining method can be more suitable for machining of modern dies such as automobile parts, airplane structural parts and the like. The working table arranged on the lathe bed can rotate around an X axis and is defined as an A axis, and the A axis generally works within a range of +30 degrees to-120 degrees; the middle of the workbench is also provided with a rotary platform which can rotate around a Z axis and is defined as a C axis, the C axis rotates for 360 degrees, namely, the A axis and the C axis are rotating axes, and the X axis, the Y axis and the Z axis are also provided. The workpiece fixed on the worktable can be machined by the main shaft except the bottom surface through the combination of the A axis and the C axis. At present, for the rotary motion of a double-workbench (workbench and rotary platform) structure, the geometric precision of a single shaft is basically measured in the market, the linkage precision of a rotary shaft and a linear shaft cannot be verified, and further, the parameters of an RTCP (Rotation tool center point, which is a tool nose point following function and mainly changes the flow of interpolation operation) are inaccurate, so that a certain machining precision error exists in the workpiece during the linkage machining of the rotary shaft and the linear shaft. Based on the above description, a tool capable of intuitively reflecting the linkage precision of the rotating shaft and the linear shaft is needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a measure five frock tools of gyration precision to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a tool jig for measuring five-axis rotation precision comprises a magnetic base, wherein a tool framework is connected above the magnetic base, a first dial indicator and a second dial indicator are connected onto the tool framework, the tool framework is of an L-shaped structure, a second mounting hole for vertical penetration of a first dial indicator is formed in the lower end of the tool framework, the second mounting hole is connected with a first locking groove, the first locking groove vertically penetrates through the lower end of the tool framework, and a first locking hole horizontally penetrating through the tool framework is formed in the side wall of the first locking groove; the top tip of frock skeleton is equipped with the third mounting hole that the level that is used for the second amesdial to connect runs through, the axis of third mounting hole intersects perpendicularly with the axis of second mounting hole, the third mounting hole is connected with second locking groove, the vertical top tip that runs through the frock skeleton in second locking groove, be equipped with the second locking hole that the level runs through the frock skeleton on the lateral wall in second locking groove, second locking hole parallels with the axis in first locking hole.

Further preferably, the hole walls of the second mounting hole and the third mounting hole are provided with grains, so that the first dial indicator and the second dial indicator are ensured to be fixed stably; at least one cutting groove penetrating through the tool framework is formed in the hole wall of the second mounting hole along the axis direction of the second mounting hole and the hole wall of the third mounting hole along the axis direction of the third mounting hole, so that the hole diameters of the second mounting hole and the third mounting hole can be changed conveniently, and the first dial indicator and the second dial indicator can be fixed conveniently.

Further preferably, the first locking hole and the second locking hole are both connected with a locking screw and a nut, so that the locking function of the first locking hole and the second locking hole is realized.

Further preferably, the transverse size and the longitudinal size from the upper end of the tool framework to the bending part of the tool framework are gradually increased, and the transverse size and the longitudinal size from the lower end of the tool framework to the bending part of the tool framework are gradually increased, so that the structural strength of the tool framework is enhanced.

Further preferably, at least one side in the both sides of the axis direction along first locking hole of frock skeleton is equipped with the recess, when guaranteeing the structural strength of work skeleton, alleviates the weight of wage skeleton.

Further preferably, at least one reinforcing rib is arranged in the groove, so that the structural strength of the tool framework is further enhanced.

Further preferably, be connected with stud between frock skeleton and the magnetic force seat, all be equipped with the nut between stud and magnetic force seat and the frock skeleton, guarantee that the lock between frock skeleton and stud, magnetic force seat and stud is dead, can not rotate at will.

Preferably, the magnetic base is a lever magnetic base, and a first mounting hole matched with the stud bolt is formed above the lever magnetic base, so that the stud bolt can be conveniently connected; the side of the magnetic base is provided with a knob, so that the magnetic poles inside the magnetic base can be switched on or off manually.

Has the beneficial effects that: the utility model discloses a measure five frock tools of gyration precision, it is fixed to realize the installation of frock skeleton through the magnetic force seat, realize the installation of first thousandth meter and second amesdial through the frock skeleton, realize the fixing of first thousandth meter and second amesdial on five-axis machine tool rotary platform, can link in step with rotary platform, guarantee the rigidity of measurement and the accuracy of measured data, avoided the influence of traditional table frame rigidity, and solved and can only verify the geometric accuracy problem of a axle alone; and the linkage precision of the rotary platform and the linear shaft of the five-axis machine tool is observed by observing the change of the pointers on the first dial indicator and the second dial indicator, so that the linkage performance of the five-axis machine tool and the accuracy of RTCP parameter setting are judged, a debugging worker can conveniently adjust the mechanical performance of the five-axis machine tool and the RTCP parameters, the linkage precision of the rotary shaft and the linear shaft is ensured to keep higher precision, and the machining precision of the machine tool can be better improved.

Drawings

Fig. 1 is a schematic structural diagram of a tooling fixture for measuring five-axis rotation precision disclosed in the embodiment of the present invention;

fig. 2 is a schematic view of an assembly structure of a magnetic base and a tool framework disclosed in an embodiment of the present invention;

fig. 3 is a schematic structural view of a tooling skeleton disclosed in an embodiment of the present invention;

fig. 4 is another schematic structural diagram of the tooling skeleton disclosed in the embodiment of the present invention.

Reference numerals: 1-magnetic base, 11-knob, 2-first mounting hole, 2-tool framework, 21-second mounting hole, 22-first locking groove, 23-first locking hole, 24-third mounting hole, 25-second locking groove, 26-second locking hole, 27-groove, 28-cutting groove, 29-reinforcing rib, 3-first dial indicator, 4-second dial indicator, 5-stud bolt and 6-nut.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1-4, a tool jig for measuring five-axis rotation precision comprises a magnetic base 1, a tool framework 2 is connected above the magnetic base 1, and a first dial indicator 3 and a second dial indicator 4 are connected on the tool framework 2. The magnetic base 1 is a lever magnetic base and is used for mounting and fixing a tool framework 2, the adsorption or separation of the magnetic base and a five-axis machine tool rotary platform is realized by breaking and connecting internal magnetic poles, and the breaking and connecting of the magnetic poles inside the magnetic base 1 are realized by rotating a knob 11 arranged on the side edge of the magnetic base 1; the top of magnetic force seat 1 is equipped with first mounting hole 12 for be connected with frock skeleton 2, can realize through stud 5, first thousandth table 3 and second thousandth table 4 realize through frock skeleton 2 and magnetic force seat 1 fixed on five-axis machine tool rotary platform, can link in step with rotary platform, guarantee measured rigidity and measured data's accuracy, the influence of traditional table frame rigidity has been avoided, and solved and can only verify the geometric accuracy problem of an axle alone. The linkage precision of the rotary platform and the linear shaft of the five-axis machine tool is observed by observing the change of the pointers on the first dial indicator 3 and the second dial indicator 4, so that the linkage performance of the five-axis machine tool and the accuracy of RTCP parameter setting are judged, a debugging worker can conveniently adjust the mechanical performance of the five-axis machine tool and the RTCP parameters, and the machining precision of the machine tool can be better improved.

In this application, frock skeleton 2 is L shape structure, and the below tip of frock skeleton 2 is equipped with the vertical second mounting hole 21 that runs through, and second mounting hole 21 is connected with first locking groove 22, and the vertical below tip that runs through frock skeleton 2 in first locking groove 22 is equipped with the first locking hole 23 that the level runs through frock skeleton 2 on the lateral wall of first locking groove 22. Wherein, second mounting hole 21 is used for the installation of first kilo-minute table 3, and first kilo-minute table 3 is vertical to be installed on frock skeleton 2, passes first locking hole 23 and nut spiro union through locking screw, realizes extrudeing first locking groove 22 for the groove width of first locking groove 22 diminishes, and then changes the aperture of second mounting hole 21, makes the aperture of second mounting hole 21 diminish, realizes fixed the locking of first kilo-minute table 3, realizes the vertical installation to first kilo-minute table 3. The third mounting hole 24 that the level runs through is equipped with to the top tip of frock skeleton 2, and third mounting hole 24 is connected with second locking groove 25, and the vertical top tip that runs through frock skeleton 2 in second locking groove 25 is equipped with the level on the lateral wall of second locking groove 25 and runs through second locking hole 26 of frock skeleton 2. Wherein, pass second locking hole 26 and nut spiro union through lock screw, realize extrudeing second locking groove 25 for the groove width of second locking groove 25 diminishes, and then changes the aperture of third mounting hole 24, makes the aperture of third mounting hole 24 diminish, realizes fixed the locking of second amesdial 4, realizes the horizontal installation to second amesdial 4. And the central axis of the third mounting hole 24 is vertically intersected with the central axis of the second mounting hole 21, and the second locking hole 26 is parallel to the central axis of the first locking hole 23, so that the first dial indicator 3 and the second dial indicator 4 are perpendicular to each other, the first dial indicator 3 and the second dial indicator 4 can conveniently measure the linkage precision of a rotating shaft and a linear shaft of the five-axis machine tool, the RTCP parameters are corrected, and the linkage precision of the rotating shaft and the linear shaft is ensured to keep higher precision.

In the application, the hole walls of the second mounting hole 21 and the third mounting hole 24 are provided with grains, friction between the second mounting hole 21 and the first dial indicator 3 as well as between the third mounting hole 24 and the second mounting hole 21 of the second dial indicator 4 is increased, and firm mounting of the first dial indicator 3 and the second dial indicator 4 is ensured, so that the first dial indicator 3 and the second dial indicator 4 cannot rotate or skew or even slide when linked with a rotary platform of a five-axis machine tool, and the measurement precision of the first dial indicator 3 and the second dial indicator 4 is improved; at least one cutting groove 28 penetrating through the tool framework 2 is formed in the hole wall of the second mounting hole 21 along the axis direction of the second mounting hole and the hole wall of the third mounting hole 24 along the axis direction of the second mounting hole, and the difficulty in changing the hole diameters of the second mounting hole 21 and the third mounting hole 24 can be reduced through the cutting groove 28.

In this application, the top tip of frock skeleton 2 all increases gradually to the horizontal dimension and the longitudinal dimension of its portion of bending, and the below tip of frock skeleton 2 all increases gradually to the horizontal dimension and the longitudinal dimension of its portion of bending, improves frock skeleton 2's structural strength. Simultaneously, at least one side in the both sides of frock skeleton 2 along the axis direction of first locking hole 23 is equipped with recess 27, and recess 27 can effectively alleviate frock skeleton 2's weight, further strengthens frock skeleton 2's structural strength, and recess 27 in this application is two and the both sides that frock skeleton 2 was located to the symmetry branch, is equipped with an at least strengthening rib 29 in the recess 27, strengthens frock skeleton 2's structural strength once more.

In the application, the stud bolts 5 are connected between the tool framework 2 and the magnetic force seat 1, the nuts 6 are arranged between the stud bolts 5 and the magnetic force seat 1 and between the stud bolts 5 and the tool framework 2, and the connection between the tool framework 2 and the magnetic force seat 1 is realized through threads at two ends of the stud bolts 5, so that the tool framework is simple and convenient; the tool framework 2 and the stud bolt 5 are connected and locked through the nut 6, and the magnetic base 1 and the stud bolt 5 cannot rotate randomly; the first mounting hole 12 is formed in the upper portion of the magnetic base 1 and used for being in threaded connection with the stud bolt 5, and the tool framework 2 is convenient to mount and fix.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described above, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the content of the present invention within the protection scope of the present invention.

Claims

1. The utility model provides a measure five frock tools of gyration precision, includes magnetic base (1), its characterized in that: a tool framework (2) is connected above the magnetic base (1), a first dial indicator (3) and a second dial indicator (4) are connected to the tool framework (2), the tool framework (2) is of an L-shaped structure, a second mounting hole (21) for connecting the first dial indicator (3) and vertically penetrating is formed in the lower end of the tool framework (2), a first locking groove (22) is connected to the second mounting hole (21), the first locking groove (22) vertically penetrates through the lower end of the tool framework (2), and a first locking hole (23) horizontally penetrating through the tool framework (2) is formed in the side wall of the first locking groove (22); the top tip of frock skeleton (2) is equipped with third mounting hole (24) that the level that is used for second amesdial (4) to connect runs through, the axis of third mounting hole (24) intersects perpendicularly with the axis of second mounting hole (21), third mounting hole (24) are connected with second locking groove (25), the vertical top tip that runs through frock skeleton (2) in second locking groove (25), be equipped with second locking hole (26) that the level runs through frock skeleton (2) on the lateral wall in second locking groove (25), second locking hole (26) parallel with the axis of first locking hole (23).

2. The tool jig for measuring five-axis rotation precision as claimed in claim 1, wherein: all be equipped with the line on the pore wall of second mounting hole (21) and third mounting hole (24), all offer at least one cut groove (28) that run through frock skeleton (2) along its axis direction on the pore wall of second mounting hole (21) along its axis direction and the pore wall of third mounting hole (24) along its axis direction.

3. The tool jig for measuring five-axis rotation precision according to claim 1, characterized in that: and the first locking hole (23) and the second locking hole (26) are both connected with a locking screw and a nut.

4. The tool jig for measuring five-axis rotation precision according to claim 1, characterized in that: the transverse size and the longitudinal size from the upper end part of the tool framework (2) to the bending part of the tool framework are gradually increased, and the transverse size and the longitudinal size from the lower end part of the tool framework (2) to the bending part of the tool framework are gradually increased.

5. The tool jig for measuring five-axis rotation precision as claimed in claim 1, wherein: at least one side in the both sides of frock skeleton (2) along the axis direction of first locking hole (23) is equipped with recess (27).

6. The tool jig for measuring five-axis rotation precision according to claim 5, characterized in that: at least one reinforcing rib (29) is arranged in the groove (27).

7. The tool jig for measuring five-axis rotation precision as claimed in claim 1, wherein: stud (5) are connected between the tool framework (2) and the magnetic base (1), and nuts (6) are arranged between the stud (5) and the magnetic base (1) and between the stud (5) and the tool framework (2).

8. The tool jig for measuring five-axis rotation precision according to claim 7, characterized in that: the magnetic base (1) is a lever magnetic base, a first mounting hole (12) matched with the stud bolt (5) is formed in the upper portion of the lever magnetic base, and a knob (11) is arranged on the side of the magnetic base (1).