CN210451949U - Lathe special-shaped part quick replacement frock - Google Patents

Lathe special-shaped part quick replacement frock Download PDF

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Publication number
CN210451949U
CN210451949U CN201921315738.1U CN201921315738U CN210451949U CN 210451949 U CN210451949 U CN 210451949U CN 201921315738 U CN201921315738 U CN 201921315738U CN 210451949 U CN210451949 U CN 210451949U
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CN
China
Prior art keywords
connecting flange
flange plate
lathe
base
clamping
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Active
Application number
CN201921315738.1U
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Chinese (zh)
Inventor
薛慧强
段至明
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Taicang Heilong Intelligent Industrial Technology Co ltd
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Taicang Heilong Intelligent Industrial Technology Co ltd
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Priority to CN201921315738.1U priority Critical patent/CN210451949U/en
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Publication of CN210451949U publication Critical patent/CN210451949U/en
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Abstract

A lathe special-shaped part quick replacement tool comprises a base and a connecting flange plate fixedly connected with a lathe spindle chuck, wherein the connecting flange plate is detachably and rotatably connected with the base, and when the connecting flange plate is placed on the base, the connecting flange plate can rotate relative to the base; the top surface of the connecting flange plate is provided with a plurality of threaded holes which are radially arranged around the center of the connecting flange plate; a multi-jaw chuck has been placed to flange plate's top surface, and this multi-jaw chuck's jack catch includes four at least, and this frock centre gripping work piece's commonality is higher, behind being furnished with two sets or many sets of frock, can prepare the centre gripping of other dysmorphism pieces in lathe processing, fine solution the problem of machine assistance time overlength, the setting of a plurality of screw holes on the flange plate can be in each screw hole through bolted connection counter weight to solve the dynamic balance problem of flange plate.

Description

Lathe special-shaped part quick replacement frock
Technical Field
The utility model belongs to dysmorphism eccentric part processing field, concretely relates to lathe dysmorphism quick replacement frock.
Background
A profile piece refers to a workpiece with an irregular contour, such as: the turbine shell and the pressure shell of the automobile turbocharger belong to special-shaped pieces, and need to be placed on a numerical control machine tool to be clamped well in the production and manufacturing process so as to cut the revolution surface of the numerical control machine tool.
When a special-shaped part is machined by a lathe, the rotating center of the special-shaped part is often offset due to the irregular profile of the part, the position of the part needs to be continuously adjusted by a dial indicator when the special-shaped part is clamped by the lathe, and the lathe jaws can not clamp all the special-shaped part positions, so that the rotating center of the clamped special-shaped part is often inconsistent with the rotating center of a lathe spindle, and the clamping is unstable; the process of the adjustment and the preparation occupies too long machine auxiliary time, and the clamping and the replacement of the special-shaped piece need to be corrected for a long time, so that the production efficiency is not high, and the clamping and the rapid replacement of the special-shaped piece are difficult in the industry.
Disclosure of Invention
The utility model aims at providing a lathe dysmorphism quick replacement frock.
In order to achieve the above purpose, the utility model adopts the technical scheme that: a lathe special-shaped part quick replacement tool comprises a base and a connecting flange plate fixedly connected with a lathe spindle chuck, wherein the connecting flange plate is detachably and rotatably connected with the base, and when the connecting flange plate is placed on the base, the connecting flange plate can rotate relative to the base;
the top surface of the connecting flange plate is provided with a plurality of threaded holes which are radially arranged around the center of the connecting flange plate;
a multi-jaw chuck is placed on the top surface of the connecting flange plate, the clamping jaws of the multi-jaw chuck at least comprise four, a plurality of clamping assemblies are arranged on the connecting flange plate and evenly distributed around the center of the connecting flange plate, a bolt is connected between the clamping assemblies and the connecting flange plate, the tail end of the bolt is screwed into the threaded hole to form detachable fit between the clamping assemblies and the connecting flange plate, each clamping assembly comprises a clamping portion, and the clamping portions are clamped and abutted against the multi-jaw chuck.
In the above scheme, the base is provided with a conical bearing, the bottom of the connecting flange plate is provided with a rotating shaft, and the rotating shaft is detachably inserted in the conical bearing.
In the scheme, the rotating shaft is detachably fixed at the bottom of the connecting flange plate.
In the above scheme, the clamping assembly further comprises an L-shaped pressing plate, the upper end of the L-shaped pressing plate abuts against the multi-jaw chuck, the lower end of the L-shaped pressing plate abuts against the connecting flange, a through hole facing the connecting flange is formed in the L-shaped pressing plate, and the bolt penetrates through the through hole.
In the above scheme, the through hole is a long slot hole, and the long slot hole is in clearance fit with the bolt.
The utility model discloses has following effect:
1. the utility model discloses a place the multi-jaw chuck that is used for the direct clamping dysmorphism piece on connecting flange dish, the relative flange dish of connecting of multi-jaw chuck's position is adjustable, the centre of rotation of adjustment multi-jaw chuck is the same with flange dish's centre of rotation, it can guarantee that the centre of rotation of dysmorphism piece is the same with lathe spindle centre of rotation to recycle lathe chuck centre of connecting flange dish, the mode of this indirect clamping has been avoided unanimous for keeping the centre of rotation of dysmorphism piece and lathe spindle, the position of dysmorphism piece needs the adjustment, nevertheless at this position lathe chuck because the irregular difficult clamp of dysmorphism piece profile is tight dysmorphism, cause the unstable phenomenon of centre gripping, the commonality of centre gripping work piece is higher.
2. The utility model discloses a frock can be outside the lathe clamping dysmorphism piece, and flange plate is circular regular standard component, and lathe chuck is comparatively convenient rapid to flange plate's centre gripping and change, behind being furnished with two sets or many sets of frock, can prepare the centre gripping of other dysmorphism pieces in lathe processing, fine solution the problem of machine assistance time overlength.
3. The utility model discloses the equipartition has a plurality of screw holes on the flange plate, and outside counter weight accessible bolted connection is in the screw hole to solve the dynamic balance problem of flange plate.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is a top view of a connecting flange according to an embodiment of the present invention;
fig. 3 is a top view of an L-shaped platen according to an embodiment of the present invention;
fig. 4 is a schematic structural view of the multi-jaw chuck according to the embodiment of the present invention.
In the above drawings: 1-base, 11-taper bearing, 2-connecting flange, 21-threaded hole, 22-clamping component, 221-clamping part, 222-L-shaped pressing plate, 223-through hole, 23-bolt, 3-multi-jaw chuck and 4-special-shaped piece.
Detailed Description
The invention will be further described with reference to the following drawings and examples:
example (b): referring to FIGS. 1-4: a lathe special-shaped part quick replacement tool comprises a base 1 and a connecting flange 2 fixedly connected with a lathe spindle chuck, wherein the connecting flange 2 is disc-shaped, the lathe chuck is a mechanical device used for clamping a workpiece on a machine tool and generally comprises a chuck body, movable clamping jaws and a clamping jaw driving mechanism, and the workpiece is clamped and positioned by radial movement of the movable clamping jaws uniformly distributed on the chuck body; when in butt joint, the movable claws of the lathe chuck are clamped on the circumferential side wall of the connecting flange 2;
the connecting flange plate 2 is detachably and rotatably connected with the base 1, and when the connecting flange plate 2 is placed on the base 1, the connecting flange plate 2 can rotate relative to the base 1; specifically, a conical bearing 11 can be embedded into the top of the base 1, the bottom of the connecting flange 2 is connected with a rotating shaft 24 through threads, the rotating shaft 24 is in clearance fit with the conical bearing 11, and the rotating shaft 24 is detachably inserted into the conical bearing 11; after the clamping adjustment of the special-shaped part 4 is completed on the tool, the connecting flange 2 can be taken out of the base 1, and the connecting flange 2 is installed on a lathe spindle chuck;
the top surface of the connecting flange plate 2 is provided with a plurality of threaded holes 21, and the threaded holes 21 are radially arranged around the center of the connecting flange plate 2;
a multi-jaw chuck 3 is placed on the top surface of the connecting flange 2, the number of jaws of the multi-jaw chuck 3 is at least four, a plurality of clamping assemblies 22 are arranged on the connecting flange 2, the plurality of clamping assemblies 22 are uniformly distributed around the center of the connecting flange 2, a bolt 23 is connected between the clamping assemblies 22 and the connecting flange 2, the tail end of the bolt 23 is screwed into the threaded hole 21 to form detachable fit between the clamping assemblies 22 and the connecting flange 2, each clamping assembly 22 comprises a clamping part 221, and the clamping part 221 is clamped and abutted against the multi-jaw chuck 3; specifically, the clamping assembly 22 comprises an L-shaped pressing plate 222, the upper end of the L-shaped pressing plate 222 abuts against the multi-jaw chuck 3, the lower end of the L-shaped pressing plate 222 abuts against the connecting flange 2, a through hole 223 facing the connecting flange 2 is formed in the L-shaped pressing plate 222, and the bolt 23 penetrates through the through hole 223;
the multi-jaw chuck 3 adopts a four-jaw chuck, is an existing product, is a manual four-jaw chuck for a machine tool and consists of a chuck body, four screw rods and four jaws, the screw rods are rotated during working, the four screw rods are respectively used for driving the four jaws to clamp the special-shaped part 4, and the four-jaw chuck has more jaws relative to a three-jaw chuck of the machine tool and can better clamp the special-shaped part 4;
when the special-shaped part 3 is used specifically, the special-shaped part 4 is placed on the multi-jaw chuck 3, the lead screw of the multi-jaw chuck 3 is rotated to enable four clamping jaws to clamp the special-shaped part 4, then the multi-jaw chuck 3 is placed on the connecting flange plate 2, the plurality of L-shaped pressing plates 222 are uniformly arranged at the edge of the multi-jaw chuck 3, the upper end of each L-shaped pressing plate 222 is abutted against the multi-jaw chuck 3, the tail end of each bolt 23 is screwed into the corresponding threaded hole 21 to preliminarily fix the L-shaped pressing plate 222, the L-shaped pressing plates 222 do not need to clamp the multi-jaw chuck 3 tightly in the step, the connecting flange plate 2 is rotated on the base 1, the dial indicator is used for measuring the integral rotation center of the multi-jaw chuck 3 clamping the special-shaped part 4 (the measuring rotation center is one of the purpose of the dial indicator, belongs to the conventional method and is a means in the field of mechanical processing), the position of the multi-jaw chuck 3 on the connecting flange plate 2 is adjusted, and, then the bolts 23 are screwed down to clamp the multi-jaw chuck 3; during processing, the connecting flange 2 is taken out from the base 1, the connecting flange 2 is installed on a lathe spindle chuck, and movable clamping jaws of the spindle chuck are clamped on the circumferential side wall of the connecting flange 2; because the rotation center of the multi-jaw chuck 3 is aligned with the center of the connecting flange 2, and the connecting flange 2 is a circular regular disk body, the connecting flange 2 is directly arranged on the lathe chuck, so that the rotation center of the special-shaped part 4 is consistent with the rotation center of the lathe spindle, the indirect clamping mode avoids the phenomenon that the clamping is unstable because the special-shaped part 4 is difficult to clamp due to the irregular outline of the special-shaped part 4 in the lathe chuck in order to keep the special-shaped part 4 consistent with the rotation center of the lathe spindle, and the position of the special-shaped part 4 needs to be adjusted, so that the universality of clamping the special-shaped part 4 is improved.
The utility model discloses a setting of a plurality of screw holes 21 on the connection flange 2 can be through the outside counter weight of bolted connection in each screw hole 21 to solve connection flange 2's dynamic balance problem, the counter weight can be the iron plate, and welded connection bolt twists the installation that can accomplish the counter weight in the screw hole 21 that corresponds the position with connecting bolt on the iron plate.
The rotating shaft 24 is detachably fixed at the bottom of the connecting flange plate 2, specifically, the rotating shaft 24 can be in threaded fit with the connecting flange plate 2, and when the rotating shaft 24 affects installation and use, the rotating shaft 24 can be detached independently.
The through hole 223 is a long slot hole, and the long slot hole is in clearance fit with the bolt 23; the long slot holes enable the L-shaped pressing plate 222 to move relative to the bolts 23, so that the position of the L-shaped pressing plate 222 can be adjusted conveniently.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims (5)

1. The utility model provides a lathe dysmorphism quick replacement frock which characterized in that: the lathe spindle chuck is characterized by comprising a base and a connecting flange plate fixedly connected with the lathe spindle chuck, wherein the connecting flange plate is detachably and rotatably connected with the base, and when the connecting flange plate is placed on the base, the connecting flange plate can rotate relative to the base;
the top surface of the connecting flange plate is provided with a plurality of threaded holes which are radially arranged around the center of the connecting flange plate;
a multi-jaw chuck is placed on the top surface of the connecting flange plate, the clamping jaws of the multi-jaw chuck at least comprise four clamping jaws, a plurality of clamping assemblies are arranged on the connecting flange plate and evenly distributed around the center of the connecting flange plate, a bolt is connected between the clamping assemblies and the connecting flange plate, the tail end of the bolt is screwed into the threaded hole to form detachable fit between the clamping assemblies and the connecting flange plate, each clamping assembly comprises a clamping portion, and the clamping portions are clamped and abutted against the multi-jaw chuck.
2. The lathe special-shaped member quick-change tool according to claim 1, wherein: the base is provided with a conical bearing, the bottom of the connecting flange plate is provided with a rotating shaft, and the rotating shaft is detachably inserted in the conical bearing.
3. The quick change tool for lathe profile parts according to claim 2, characterized in that: the rotating shaft is detachably fixed at the bottom of the connecting flange plate.
4. The lathe special-shaped member quick-change tool according to claim 1, wherein: the clamping assembly further comprises an L-shaped pressing plate, the upper end of the L-shaped pressing plate is abutted against the multi-jaw chuck, the lower end of the L-shaped pressing plate is abutted against the connecting flange plate, a through hole facing the connecting flange plate is formed in the L-shaped pressing plate, and the bolt penetrates through the through hole.
5. The quick change tool for lathe profile parts according to claim 4, wherein the tool comprises: the through hole is a long slotted hole, and the long slotted hole is in clearance fit with the bolt.
CN201921315738.1U 2019-08-14 2019-08-14 Lathe special-shaped part quick replacement frock Active CN210451949U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921315738.1U CN210451949U (en) 2019-08-14 2019-08-14 Lathe special-shaped part quick replacement frock

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921315738.1U CN210451949U (en) 2019-08-14 2019-08-14 Lathe special-shaped part quick replacement frock

Publications (1)

Publication Number Publication Date
CN210451949U true CN210451949U (en) 2020-05-05

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921315738.1U Active CN210451949U (en) 2019-08-14 2019-08-14 Lathe special-shaped part quick replacement frock

Country Status (1)

Country Link
CN (1) CN210451949U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112935859A (en) * 2021-01-26 2021-06-11 青岛青特众力车桥有限公司 Device for quickly replacing and aligning tool clamp of numerical control machine tool

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112935859A (en) * 2021-01-26 2021-06-11 青岛青特众力车桥有限公司 Device for quickly replacing and aligning tool clamp of numerical control machine tool
CN112935859B (en) * 2021-01-26 2022-04-29 青岛青特众力车桥有限公司 Device for quickly replacing and aligning tool clamp of numerical control machine tool

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