CN111251025A - Tool jig and five-axis CNC (computer numerical control) machining machine tool - Google Patents
Tool jig and five-axis CNC (computer numerical control) machining machine tool Download PDFInfo
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- CN111251025A CN111251025A CN202010205613.4A CN202010205613A CN111251025A CN 111251025 A CN111251025 A CN 111251025A CN 202010205613 A CN202010205613 A CN 202010205613A CN 111251025 A CN111251025 A CN 111251025A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
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Abstract
The invention relates to a tool jig and a five-axis CNC (computer numerical control) machining machine tool, which comprise: the fixture comprises a fixture main body, wherein the fixture main body is provided with a clamping mechanism and a first positioning connecting part, and the clamping mechanism is used for clamping and fixing a workpiece and ensuring that the axis of the workpiece is concentric with the axis of the fixture main body; the positioning block is provided with a second positioning connecting part which is used for being connected with the first positioning connecting part so as to ensure that the axis of the jig main body is concentric with the axis of the positioning block; the positioning block is further provided with a third positioning connecting portion, and the third positioning connecting portion is used for being connected with a fourth positioning connecting portion preset on the machine tool workbench so as to ensure that the axis of the positioning block is concentric with the axis of the machine tool workbench. Therefore, the axes of the workpiece, the jig main body, the positioning block and the machine tool workbench can be concentrically arranged during each clamping operation, the self precision of the machine tool workbench can be prevented from being influenced by eccentricity, and the machining precision of the workpiece can be guaranteed.
Description
Technical Field
The invention relates to the technical field of product clamping, in particular to a tool jig and a five-axis CNC (computer numerical control) machine tool.
Background
At present, with the gradual upgrade of the domestic manufacturing industry, one of the very important links is the update of production equipment. In the production equipment, the updating of numerical control equipment and automation equipment is important. Five-axis numerical control machine tools are numerical control machining equipment at the top level in a world industrial system, are continuously introduced in China in recent years, and are configured by a great number of high-tech enterprises. Five-axis numerically controlled machines are usually equipped with many auxiliary parts, and among them, the tool is used more frequently. However, because the existing tool jig is simple in structural design, the concentricity of the tool and the machine tool workbench is extremely difficult to guarantee in the mounting and dismounting process of the tool jig and the machine tool workbench each time, the concentricity of the tool and the machine tool workbench is influenced, the machining precision of a workpiece is low, and the precision of a five-axis numerical control machine tool is influenced.
Disclosure of Invention
Based on this, it is necessary to provide a frock tool and five CNC machine tools, aims at solving prior art and can't guarantee that the concentricity leads to the problem that the lathe precision is low and work piece machining precision is low.
The technical scheme is as follows:
on the one hand, this application frock tool, it includes:
the fixture comprises a fixture main body, wherein the fixture main body is provided with a clamping mechanism and a first positioning connecting part, and the clamping mechanism is used for clamping and fixing a workpiece and ensuring that the axis of the workpiece is concentric with the axis of the fixture main body; and
the positioning block is provided with a second positioning connecting part which is used for being connected with the first positioning connecting part so as to ensure that the axis of the jig main body is concentric with the axis of the positioning block; the locating piece still is equipped with third location connecting portion, third location connecting portion are used for being connected in order to guarantee with the fourth location connecting portion that predetermine on the lathe workstation the axle center of locating piece with the axle center of lathe workstation is concentric.
The tool jig is applied to a numerical control machine tool, particularly a five-axis CNC (computer numerical control) processing machine tool system, so that the concentricity of a workpiece, the jig and a machine tool workbench is ensured, and the precision of the numerical control machine tool and the machining precision of the workpiece are further ensured. Specifically, the tool jig comprises a jig main body and a positioning block, when a workpiece is clamped, the positioning block is firstly installed on a machine tool workbench, and at the moment, the axis of the positioning block and the axis of the machine tool workbench are concentric through the connection of a third positioning connecting part and a fourth positioning connecting part; then, the jig main body is installed on the positioning block again, and the first positioning connecting part and the second positioning connecting part are connected to ensure that the axis of the jig main body is concentric with the axis of the positioning block; and finally, the workpiece is fixed on the jig main body through the clamping mechanism, so that the axis of the workpiece and the axis of the jig main body are concentric. By means of mutual assembly connection of the first positioning connecting portion and the fourth positioning connecting portion and limitation of the clamping mechanism on the workpiece, the axis of the workpiece, the jig main body, the positioning block and the axis of the machine tool workbench can be concentrically arranged during each clamping operation, the self precision of the machine tool workbench can be prevented from being influenced by eccentricity, and meanwhile the machining precision of the workpiece can be guaranteed.
The technical solution of the present application is further described below:
in one embodiment, the first positioning connection part and the third positioning connection part are convex columns, the second positioning connection part and the fourth positioning connection part are grooves, and the convex columns are inserted into the grooves; or the first positioning connecting part and the third positioning connecting part are grooves, the second positioning connecting part and the fourth positioning connecting part are convex columns, and the convex columns are inserted into the grooves.
In one embodiment, the positioning block further comprises a first locking piece arranged on the second positioning connecting portion, the first positioning connecting portion is provided with a first locking hole corresponding to the first locking piece, and the first locking piece is inserted into the first locking hole and fixed.
In one embodiment, the jig main body comprises a base and a carrier plate detachably connected with the base, the base is provided with the first positioning connecting part, and the carrier plate is provided with the clamping mechanism; and the base is also provided with a fifth positioning connecting part, the support plate is also provided with a sixth positioning connecting part, and the fifth positioning connecting part is used for being connected with the sixth positioning connecting part so as to ensure that the axis of the support plate is concentric with the axis of the base.
In one embodiment, the fifth positioning connection part is a convex column, the sixth positioning connection part is a groove, and the convex column is inserted into the groove; or the fifth positioning connecting part is a groove, the sixth positioning connecting part is a convex column, and the convex column is inserted into the groove.
In one embodiment, the peripheral wall of the base is concavely provided with a pressing groove, and the pressing groove is used for being buckled and pressed with a pressing code preset on the machine tool workbench.
In one embodiment, the clamping mechanism comprises a first through hole formed in the base and a second locking hole formed in the carrier plate and corresponding to the first through hole, and a second locking member penetrates through the first through hole and is inserted into the second locking hole for fixation; the first through hole is a long slotted hole which is arranged in an arc shape.
In one embodiment, the clamping mechanism further comprises at least two strip-shaped through holes formed in the carrier plate, the aperture of each strip-shaped through hole is different, and third locking pieces with different specifications are inserted into the strip-shaped through holes respectively; each strip-shaped through hole faces to the hole end of the base and is inwards provided with an avoiding step.
In one embodiment, the carrier plate is further provided with a connecting hole for connecting and fixing the carrier plate and the base; the support plate is also provided with a hoisting hole convenient for hoisting and carrying.
In addition, this application still provides a five CNC machine tools, and it includes as above frock tool.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention.
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic view of an assembly structure of a tooling fixture according to an embodiment of the present invention;
fig. 2 is an exploded structural schematic view of a tooling fixture, a machine tool workbench and a workpiece according to an embodiment of the present invention.
Description of reference numerals:
10. a base; 11. a fifth positioning connection part; 12. pressing a groove; 13. a first through hole; 20. a carrier plate; 21. a second lock hole; 22. a strip-shaped through hole; 23. connecting holes; 24. hoisting holes; 30. positioning blocks; 31. a second positioning connection part; 32. a third positioning connection part; 33. a first locking member; 40. a machine tool table; 41. a fourth positioning connection part; 50. a workpiece; 60. and pressing codes 70 and a second locking piece.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
In the description of the present invention, it is to be understood that the terms indicating an orientation or positional relationship are based on the orientation or positional relationship shown in the drawings only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
It should be noted that, unless otherwise explicitly stated or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly and can be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. When an element is referred to as being "secured to," "disposed on," or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present; the specific manner of fixedly connecting one element to another element can be implemented by the prior art, and will not be described herein, and preferably, a screw-threaded connection is used.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The terms "first" and "second" used herein do not denote any particular order or quantity, but rather are used to distinguish one element from another.
The embodiment of the application provides a five-axis CNC machine tool, can be with simply understanding this five-axis CNC machine tool be a five-axis numerical control machine tool, compare in ordinary two, three-axis numerical control machine tool, its processing cutter possesses higher removal degree of freedom, can satisfy high accuracy colleges and universities processing such as various special-shaped structures, complicated curved surface.
The five-axis numerical control machine tool comprises a machine body, a control system, a power system, a cutter system, a tool fixture and some auxiliary accessories. The control system is used for writing a program and generating a corresponding instruction according to the program so as to control the power system and the cutter system to automatically cooperate. The power system is used for outputting power to enable the machine tool workbench 40 of the lathe bed to move or rotate so as to match with the cutter system to complete machining of holes, grooves, threads and other structures. The tool fixture is used for clamping and fixing on the machine tool workbench 40 and completing installation and fixation of a workpiece 50 to be machined so as to ensure that the workpiece 50 is reliably machined by a cutter system. The tool fixture directly determines the installation accuracy and the firmness degree of the workpiece 50, and is an important influence factor of safe, efficient and high-precision operation of the five-axis numerical control machine tool.
As shown in fig. 1 and 2, a tooling fixture according to an embodiment of the present application includes: a jig main body and a positioning block 30. The jig main body is provided with a clamping mechanism and a first positioning connecting part, wherein the clamping mechanism is used for clamping and fixing a workpiece 50 and ensuring that the axis of the workpiece 50 is concentric with the axis of the jig main body; the positioning block 30 is provided with a second positioning connecting part 31, and the second positioning connecting part 31 is used for being connected with the first positioning connecting part so as to ensure that the axis of the jig main body is concentric with the axis of the positioning block 30; the positioning block 30 is further provided with a third positioning connecting portion 32, and the third positioning connecting portion 32 is used for being connected with a fourth positioning connecting portion 41 preset on the machine tool workbench 40 to ensure that the axis of the positioning block 30 is concentric with the axis of the machine tool workbench 40.
In summary, the implementation of the technical solution of the present embodiment has the following beneficial effects: the tool jig is applied to a numerical control machine, particularly a five-axis CNC (computer numerical control) processing machine system, so that the concentricity of the workpiece 50, the jig and the machine table 40 is ensured, and the precision of the numerical control machine and the machining precision of the workpiece 50 are further ensured. Specifically, the tool fixture is composed of a fixture main body and a positioning block 30, when clamping and fixing a workpiece 50, the positioning block 30 is firstly installed on a machine tool workbench 40, and at the moment, the third positioning connecting part 32 and the fourth positioning connecting part 41 are connected to ensure that the axis of the positioning block 30 is concentric with the axis of the machine tool workbench 40; then, the jig main body is mounted on the positioning block 30 again, and the first positioning connecting part and the second positioning connecting part 31 are connected to ensure that the axis of the jig main body is concentric with the axis of the positioning block 30; and finally, fixing the workpiece 50 on the jig main body through the clamping mechanism, so that the axis of the workpiece 50 is concentric with the axis of the jig main body. By means of mutual assembly and connection of the first positioning connecting portion to the fourth positioning connecting portion 41 and limitation of the clamping mechanism on the workpiece 50, the axes of the workpiece 50, the jig main body, the positioning block 30 and the machine tool workbench 40 can be concentrically arranged during each clamping operation, the self precision of the machine tool workbench 40 can be prevented from being influenced by eccentricity, and meanwhile the machining precision of the workpiece 50 can be guaranteed.
In order to fundamentally solve the problem that the machine tool itself and the workpiece 50 have poor machining accuracy due to the deformation, the jig main body and the positioning block 30 are preferably made of a material with high strength and rigidity, such as stainless steel, alloy steel, and the like.
In some embodiments, the jig main body includes a base 10 and a carrier 20 detachably connected to the base 10, the base 10 is provided with the first positioning connection portion, and the carrier 20 is provided with the clamping mechanism. Because the support plate 20 is detachable and replaceable, the proper support plate 20 can be flexibly replaced according to workpieces 50 with different sizes, structures and the like, and the universality of the tool jig is improved.
On the premise of ensuring the concentricity, in order to reduce the difficulty of assembling the base 10 and the positioning block 30 and improve the processing efficiency, in some embodiments, the first positioning connecting portion is one of a convex column or a groove, the second positioning connecting portion 31 is the other of the convex column or the groove, and the convex column is inserted into the groove. That is, when the first positioning connecting portion is a convex column, the second positioning connecting portion 31 is a concave groove, or when the first positioning connecting portion is a concave groove, the second positioning connecting portion 31 is a convex column; therefore, the structural design that the convex column is inserted in the groove is adopted during assembly, the assembly operation difficulty of the base 10 and the positioning block 30 can be reduced, the labor intensity of workers is reduced, and the operation efficiency and the operation quality are improved. Preferably, in the present embodiment, the base 10 is designed with a groove, and the positioning block 30 is designed with a convex pillar. The convex column is the cylinder, and corresponding recess also is circular, the diameter of recess and the diameter adaptation of convex column to there is too big assembly gap to cause the axle center offset after avoiding assembling, base 10 takes place the beat or drops easily under vibrations or atress, leads to processing unable normal clear. Meanwhile, the convex columns and the grooves are designed to be circular structures, so that the concentricity after assembly is easier to control. In addition, in order to enable the convex column to be inserted into the groove more easily, the top end of the convex column is designed with a leading-in structure such as a type chamfer or a fillet.
Similarly, in order to facilitate the assembly and connection of the positioning block 30 and the machine tool table 40, in some embodiments, the third positioning connection portion 32 is one of a convex pillar and a concave groove, and the fourth positioning connection portion 41 is the other of the convex pillar and the concave groove, and the convex pillar is inserted into the concave groove. That is, when the third positioning connecting portion 32 is a convex column, the fourth positioning connecting portion 41 is a concave groove, or when the third positioning connecting portion 32 is a concave groove, the fourth positioning connecting portion 41 is a convex column; therefore, the structural design that the convex columns are inserted into the grooves is adopted during assembly, the assembly operation difficulty of the machine tool workbench 40 and the positioning blocks 30 can be reduced, the labor intensity of workers is reduced, and the operation efficiency and quality are improved. Preferably, in this embodiment, the machine tool table 40 is designed with a groove, and the positioning block 30 is designed with a convex pillar. The convex column is the cylinder, and corresponding recess also is circular, the diameter of recess and the diameter adaptation of convex column to there is too big assembly gap to cause the axle center biasing after avoiding assembling, locating piece 30 takes place the beat or drops easily under vibrations or atress, leads to processing unable normal clear. Meanwhile, the convex columns and the grooves are designed to be circular structures, so that the concentricity after assembly is easier to control. In addition, in order to enable the convex column to be inserted into the groove more easily, the top end of the convex column is designed with a leading-in structure such as a type chamfer or a fillet.
With reference to fig. 2, it should be noted that, in the above embodiment, the second positioning connecting portion 31 and the third positioning connecting portion 32 are both cylindrical protruding columns, wherein the second positioning connecting portion 31 and the third positioning connecting portion 32 are coaxially connected to form an integrated structure, which can ensure the structural strength. The diameter of the convex column corresponding to the third positioning connection portion 32 is larger than that of the convex column corresponding to the second positioning connection portion 31, so that the base 10 can be conveniently installed and positioned.
It should be noted that, in order to ensure the concentricity between the carrier 20 and the base 10, between the base 10 and the positioning block 30, and between the positioning block 30 and the machine tool table 40, in other embodiments, other connection structures capable of ensuring concentricity in the prior art besides the insertion of the convex pillar and the concave groove may be adopted, such as but not limited to a snap connection, a pin connection, a screw connection, and the like.
Further, in order to enhance the connection strength between the base 10 and the positioning block 30, in some embodiments, the positioning block 30 further includes a first locking member 33 disposed on the second positioning connection portion 31, the first positioning connection portion is provided with a first locking hole corresponding to the first locking member 33, and the first locking member 33 is inserted into the first locking hole for fixing. Specifically, the first lock hole is a screw hole formed in the middle of the bottom of the first positioning connection portion, the first locking member 33 is a screw, and the screw is screwed into the screw hole to be locked, so that the firm connection degree between the base 10 and the positioning block 30 can be effectively improved.
Referring to fig. 2, in some embodiments, the base 10 further has a fifth positioning connection portion 11, and the carrier 20 further has a sixth positioning connection portion, where the fifth positioning connection portion 11 is used to connect with the sixth positioning connection portion to ensure that the axis of the carrier 20 is concentric with the axis of the base 10. Specifically, the fifth positioning connection portion 11 is one of a convex column or a concave groove, the sixth positioning connection portion is the other of the convex column or the concave groove, and the convex column is inserted into the concave groove. That is, when the fifth positioning connecting part 11 is a convex column, the sixth positioning connecting part is a groove, or when the fifth positioning connecting part 11 is a groove, the sixth positioning connecting part is a convex column; therefore, the structural design that the convex columns are inserted into the grooves is adopted during assembly, so that the assembly operation difficulty of the carrier plate 20 and the base 10 can be reduced, the labor intensity of workers is reduced, and the operation efficiency and quality are improved. Preferably, in the present embodiment, the top end of the base 10 is designed with a groove, and the bottom end of the carrier 20 is designed with a convex pillar. The convex column is the cylinder, and corresponding recess also is circular, the diameter of recess and the diameter adaptation of convex column to there is too big assembly gap to cause the axle center biasing after avoiding assembling, locating piece 30 takes place the beat or drops easily under vibrations or atress, leads to processing unable normal clear. Meanwhile, the convex columns and the grooves are designed to be circular structures, so that the concentricity after assembly is easier to control. In addition, in order to enable the convex column to be inserted into the groove more easily, the top end of the convex column is designed with a leading-in structure such as a type chamfer or a fillet.
In the above embodiment, the base 10 is formed in a generally cylindrical shape except that the axial sectional shape of the base 10 is formed in an i-shape, that is, the outer circumferential wall of the base 10 is concavely provided with the pressing groove 12, and the pressing groove 12 is annular, as viewed from the outside of the base 10. The structure of the indent 12 is designed such that, when the base 10 is assembled to the machine tool table 40 by the positioning block 30, the indent 12 can be buckled and connected with the indent 60 preset on the machine tool table 40. Thereby achieving the purpose of further fixing the base 10 (i.e. fixing the tooling fixture) by the fastening force of the pressing bar 60. The pressing bar 60 comprises a bolt and a pressing block, the bolt rod is fixed on the machine tool workbench 40 and is in through connection with the pressing block, the pressing block is inserted into the pressing groove 12, the bolt rod is connected with a nut in a threaded mode, and the nut is located on the top face of the pressing block and has the capacity of pressing the pressing block to move along the bolt rod. When the bolt is rotated, the bolt pushes the pressing block to press the base 10 tightly. The adjusting operation mode is simple, and the pressing block can reliably press the fixed base 10 due to the self-locking property of the thread structure. In addition, the press code 60 may be a quick clip or the like.
Referring to fig. 2, in some embodiments, the clamping mechanism includes a first through hole 13 disposed on the base 10 and a second locking hole 21 disposed on the carrier 20 and corresponding to the first through hole 13, and a second locking member 70 is inserted into the second locking hole 21 to be fixed after passing through the first through hole 13. Specifically, the second locking member 70 is a screw, and the second locking hole 21 is a screw hole, and the base 10 and the carrier plate 20 can be firmly locked and fixed by the screw and the screw hole.
Preferably, the first through hole 13 is a long slot hole, and the long slot hole is arranged in an arc shape. Therefore, the angle and direction of the cover plate can be conveniently adjusted when the carrier plate 20 is connected, and the clamping operation can be easily completed.
Further, in some embodiments, the first through holes 13, the second locking holes 21, and the second locking members 70 are four and are uniformly spaced apart from each other along the circumferential direction, and the three are connected in a one-to-one correspondence manner. In the embodiment, the first through holes 13 are arranged at intervals of 90 degrees in the circumferential direction, so that the carrier plate 20 and the base 10 can be clamped firmly and reliably in the entire circumferential direction.
In other embodiments, the clamping mechanism further includes at least two strip-shaped through holes 22 opened on the carrier plate 20, the aperture of each strip-shaped through hole 22 is different, and third locking members with different specifications are respectively inserted into each strip-shaped through hole 22. Specifically, taking two strip-shaped through holes 22 as an example, the two strip-shaped through holes 22 are a first strip-shaped through hole 22 and a second strip-shaped through hole 22, respectively, and the first strip-shaped through hole 22 and the second strip-shaped through hole 22 have different apertures. For example, the first strip-shaped through hole 22 is matched with the M6 screw to be assembled and passed, the second strip-shaped through hole 22 is matched with the M8 screw to be assembled and passed, and the M6 and the M8 screws can slide back and forth in the respective strip-shaped through holes 22, so that workpieces 50 with different sizes can be adaptively clamped, the positions and specifications of the screw holes in the workpieces 50 are not limited, the universality of the tool jig can be greatly improved, the time for clamping the workpieces 50 is saved, and the working efficiency is improved. Preferably, the first bar-shaped through holes 22 are two and oppositely arranged at intervals, and the second bar-shaped through holes 22 are one and are arranged perpendicular to the two first bar-shaped through holes 22. The vertical structure arrangement is adopted, so that the locking capacity can be increased to a certain degree, and the rigidity of the tool fixture can be ensured.
In addition, each strip-shaped through hole 22 is provided with an avoiding step inwards towards the hole end of the base 10. When the screw is used for locking the workpiece 50, the head of the screw is larger than the diameter of the screw rod, the gasket is required to stop, and the head of the screw and the gasket can be inserted into a concave part formed by the avoiding step by arranging the avoiding step, so that the purposes of preventing interference and ensuring normal assembly are achieved.
In addition, the carrier plate 20 is further provided with a connection hole 23 for connecting and fixing the carrier plate 20 and the base 10. The carrier plate 20 is a circular plate, and the connection holes 23 are threaded holes formed in the outer peripheral wall of the carrier plate 20, and can connect and fix the carrier plate 20 and the base 10.
In other embodiments, the carrier plate 20 is further provided with a lifting hole 24 for facilitating lifting and carrying. Optionally, the lifting hole 24 is also a threaded hole.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. The utility model provides a tooling jig which characterized in that includes:
the fixture comprises a fixture main body, wherein the fixture main body is provided with a clamping mechanism and a first positioning connecting part, and the clamping mechanism is used for clamping and fixing a workpiece and ensuring that the axis of the workpiece is concentric with the axis of the fixture main body; and
the positioning block is provided with a second positioning connecting part which is used for being connected with the first positioning connecting part so as to ensure that the axis of the jig main body is concentric with the axis of the positioning block; the locating piece still is equipped with third location connecting portion, third location connecting portion are used for being connected in order to guarantee with the fourth location connecting portion that predetermine on the lathe workstation the axle center of locating piece with the axle center of lathe workstation is concentric.
2. The tooling fixture of claim 1, wherein the first positioning connection portion and the third positioning connection portion are convex columns, the second positioning connection portion and the fourth positioning connection portion are concave grooves, and the convex columns are inserted into the concave grooves; or the first positioning connecting part and the third positioning connecting part are grooves, the second positioning connecting part and the fourth positioning connecting part are convex columns, and the convex columns are inserted into the grooves.
3. The tooling fixture of claim 1, wherein the positioning block further comprises a first locking member disposed on the second positioning connection portion, the first positioning connection portion is provided with a first locking hole corresponding to the first locking member, and the first locking member is inserted into the first locking hole and fixed.
4. The tooling jig of any one of claims 1 to 3, wherein the jig main body comprises a base and a carrier plate detachably connected with the base, the base is provided with the first positioning connecting part, and the carrier plate is provided with the clamping mechanism; and the base is also provided with a fifth positioning connecting part, the support plate is also provided with a sixth positioning connecting part, and the fifth positioning connecting part is used for being connected with the sixth positioning connecting part so as to ensure that the axis of the support plate is concentric with the axis of the base.
5. The tooling jig of claim 4, wherein the fifth positioning connecting part is a convex column, the sixth positioning connecting part is a groove, and the convex column is inserted into the groove; or the fifth positioning connecting part is a groove, the sixth positioning connecting part is a convex column, and the convex column is inserted into the groove.
6. The tooling jig of claim 4, wherein the outer peripheral wall of the base is concavely provided with a pressing groove, and the pressing groove is used for buckling and pressing connection with a pressing code preset on the machine tool workbench.
7. The tooling jig of claim 4, wherein the clamping mechanism comprises a first through hole formed in the base and a second locking hole formed in the carrier plate and corresponding to the first through hole, and the second locking member passes through the first through hole and then is inserted into the second locking hole for fixation; the first through hole is a long slotted hole which is arranged in an arc shape.
8. The tooling fixture of claim 4, wherein the clamping mechanism further comprises at least two strip-shaped through holes formed in the carrier plate, the aperture of each strip-shaped through hole is different, and third locking pieces with different specifications are inserted into the strip-shaped through holes respectively; each strip-shaped through hole faces to the hole end of the base and is inwards provided with an avoiding step.
9. The tooling jig of claim 4, wherein the carrier plate is further provided with a connecting hole for connecting and fixing the carrier plate and the base; the support plate is also provided with a hoisting hole convenient for hoisting and carrying.
10. A five-axis CNC machining tool, characterized by comprising the tooling fixture of any one of the claims 1 to 9.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010205613.4A CN111251025A (en) | 2020-03-23 | 2020-03-23 | Tool jig and five-axis CNC (computer numerical control) machining machine tool |
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| CN202010205613.4A CN111251025A (en) | 2020-03-23 | 2020-03-23 | Tool jig and five-axis CNC (computer numerical control) machining machine tool |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113263412A (en) * | 2021-07-12 | 2021-08-17 | 南通莱欧电子科技有限公司 | Machine tool equipment for polishing bearing square blocks |
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| CN113263412A (en) * | 2021-07-12 | 2021-08-17 | 南通莱欧电子科技有限公司 | Machine tool equipment for polishing bearing square blocks |
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Application publication date: 20200609 |