CN216680224U - Pneumatic flower disc for numerical control lathe - Google Patents

Pneumatic flower disc for numerical control lathe Download PDF

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Publication number
CN216680224U
CN216680224U CN202122361453.5U CN202122361453U CN216680224U CN 216680224 U CN216680224 U CN 216680224U CN 202122361453 U CN202122361453 U CN 202122361453U CN 216680224 U CN216680224 U CN 216680224U
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China
Prior art keywords
movable disc
disc
flange plate
movable
pneumatic
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CN202122361453.5U
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Chinese (zh)
Inventor
陈鹏
王宪云
郭海营
姚鑫
徐万江
张恺
詹俊宝
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707th Research Institute of CSIC
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707th Research Institute of CSIC
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Priority to CN202122361453.5U priority Critical patent/CN216680224U/en
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Abstract

The utility model relates to a pneumatic chuck for a numerical control lathe, which comprises a flange plate, a pressing piece mounting plate and a chuck cover, wherein the flange plate is fixedly connected with the chuck cover; the flange plate is fixedly connected with the front end of the lathe spindle, and the outer peripheral surface of the flange plate is provided with an external thread; the clamping piece mounting disc is a movable disc and consists of a movable disc surface and a movable disc shaft, a plurality of threaded holes for mounting the clamping piece of the workpiece are formed in the movable disc surface, the movable disc shaft is coaxially connected with a central hole of the flange disc in a mode that the movable disc shaft is limited in the circumferential direction but can move in the axial direction, an external thread is formed at the end part of the movable disc shaft, and the movable disc shaft is connected with an internal thread hole formed in the front end of a pneumatic tensioning rod of the lathe through the external thread; the flower disc cover consists of a flower disc surface and a vertical annular edge, wherein an internal thread is formed on the inner surface of the vertical annular edge, and the flower disc cover is connected with the external thread on the flange plate through the internal thread; the position that sets up the screw hole on the colored quotation corresponding to the removal quotation is equipped with the hole of stepping down, is equipped with the screw hole between the hole of stepping down. The pneumatic chuck improves the clamping efficiency and the pressing consistency of parts.

Description

Pneumatic flower disc for numerical control lathe
Technical Field
The utility model belongs to the technical field of part machining, and relates to a clamping device, in particular to a pneumatic faceplate for a numerical control lathe.
Background
When a workpiece with an irregular shape or a large and thin workpiece is machined, the three-jaw chuck, the four-jaw chuck or the tip cannot be clamped, and the chuck can be clamped by using a faceplate. At present, a plurality of radial guide grooves with different lengths are arranged on a traditional faceplate structure, and when the faceplate is used, angle iron, a pressing block, a bolt, a nut, a cushion block, balance iron and the like are matched, so that a workpiece can be clamped on the faceplate. During installation, alignment is carried out according to the marking marks of the workpieces, and meanwhile, the balance of the center of gravity needs to be paid attention to so as to prevent vibration during rotation.
At present, the mode of installing and clamping parts on a faceplate has the following defects: the chuck is directly arranged on a main shaft of a machine tool, a plurality of grooves which are different in length and are distributed in a radial shape are formed in the surface of the chuck and used for installing bolts, the bolts on each pressure plate need to be manually screwed when the parts are assembled and disassembled at each time, the purpose of compressing or loosening the parts is achieved, the clamping efficiency is low, and the chuck is not suitable for the requirement of batch production.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provides the pneumatic chuck for the numerically controlled lathe, which can improve the clamping efficiency and the pressing consistency of parts.
The above object of the present invention is achieved by the following technical solutions:
the utility model provides a pneumatic flower disc is used to numerical control lathe which characterized in that: comprises a flange plate, a pressing piece mounting plate and a flange plate cover; the flange plate is fixedly connected with the front end of the lathe spindle through a screw, and an external thread is formed on the outer peripheral surface of the flange plate; the clamping piece mounting disc is a movable disc and consists of a movable disc surface and a movable disc shaft coaxially arranged at the rear end of the movable disc surface, a plurality of threaded holes for mounting the clamping piece of the workpiece are formed in the movable disc surface, the movable disc shaft is coaxially matched and connected with a central hole of the flange disc in a mode that the movable disc shaft is limited in the circumferential direction but can move in the axial direction, an external thread is formed at the end part of the movable disc shaft, and the movable disc shaft is in threaded connection with an internal threaded hole formed in the front end of a pneumatic tensioning rod of the lathe through the external thread; the movable disc surface is arranged in a cavity enclosed between the flange plate and the disc cover; the positions of the face of the faceplate, corresponding to the positions of the threaded holes in the movable disk face, are provided with yielding holes for connecting workpieces on the pressing piece mounting disk and pressing pieces to stretch out, and threaded holes are formed among the yielding holes.
Further: the screw holes arranged on the movable disc surface are radially arranged, and the abdicating holes arranged on the disc surface are radially arranged and communicated with each other at the central part; the threaded holes arranged on the disc surface are radially arranged and evenly distributed and staggered with the abdicating holes.
Further: the movable disc shaft is connected with the flange plate through a flat key or a spline.
The utility model has the advantages and positive effects that:
1. the pressing piece mounting disc is connected with an existing organic component 'pneumatic tensioning rod' on a lathe, so that the workpiece is pressed by adopting a numerical control pneumatic mode, the pressing consistency is good, and the large-batch production of parts is realized.
2. The utility model has the advantages of automatic tensioning of the main shaft of the numerical control lathe in the process of compressing the parts, simple operation and high compressing efficiency.
3. According to the utility model, the plurality of workpiece pressing pieces are connected to the movable disc, and the plurality of workpiece pressing pieces simultaneously press different positions of the part in the pressing process to complete one-time pressing of the part, so that the clamping speed and efficiency are greatly improved. In addition, the quick disassembly after the part machining can be realized.
4. The utility model has simple operation in machining and clamping, has no high requirement on the operation technology of workshop workers, and has wider applicable range of operators.
5. The utility model discloses compact structure is simple, and the commonality is good, is applicable to various numerical control lathe's standard main shaft interface, compresses tightly reliably, and the location is accurate, can replace the colored dish lid for quick clamping and automated processing of complicated abnormal shape part in batches.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a side view of the hold down mounting plate of the present invention;
FIG. 3 is a right side view of FIG. 2;
FIG. 4 is a side view of the faceplate cover of the present invention;
FIG. 5 is a right side view of FIG. 4;
fig. 6 is a schematic view of the working principle of the flower disc of the present invention.
Detailed Description
The structure of the present invention will be further described by way of examples with reference to the accompanying drawings. It is to be understood that this embodiment is illustrative and not restrictive.
The utility model relates to a pneumatic faceplate for a numerical control lathe, please refer to fig. 1-6, and the utility model points are as follows: mainly comprises a flange plate 1, a pressing piece mounting plate 3 and a faceplate cover 4.
The flange plate is made of cast iron and is connected with a machine tool spindle through a standard spindle interface of a numerical control lathe. Namely, 3 countersunk holes are uniformly distributed on the flange plate along the circumferential direction, 3 threaded holes are formed in the front end of the machine tool spindle, the four countersunk holes correspond to the four threaded holes one by one, and the flange plate is coaxially fixed at the front end of the machine tool spindle through mounting screws.
The pressing piece mounting disc is a movable disc and is composed of a movable disc surface 3.2 and a movable disc shaft 3.1 coaxially arranged at the rear end of the movable disc surface. A plurality of threaded holes 3.2.1 for installing workpiece pressing pieces are formed in the surface of the movable disk, and the shaft of the movable disk is connected with the central hole of the flange plate through a flat key 2 or a spline and the like, so that the movable disk can move relative to the flange plate along the axial direction and is limited along the circumferential direction. The end part of the movable disk shaft is provided with an external thread 3.1.1, and the movable disk shaft is in threaded connection with an internal thread hole arranged at the front end of a lathe pneumatic tension rod 7 through the external thread. The pneumatic tensioning rod of the lathe is an existing structure on the lathe and is arranged in a central hole of a main shaft of the lathe. A plurality of threaded holes are processed in the movable disc surface and used for installing a pressing piece, the pressing piece can adopt a combined structure of a pressing rod 5 and a pressing plate 6, threads are arranged at the inner end of the pressing rod and connected with the threaded holes in the movable disc surface, the other end of the pressing rod is connected with the pressing plate, and when a machine tool spindle locking key is pressed or loosened, the movable disc moves axially synchronously along with a lathe pneumatic tensioning rod, so that the pressing rod and a pressing block move, the effects of pressing and loosening parts are achieved, and the main execution part for pressing the parts is provided.
The flower disc cover is used for positioning parts and comprises a flower disc face 4.2 and a vertical annular edge 4.1 connected with the edge of the flower disc face, internal threads 4.1.1 are formed on the inner surface of the vertical annular edge, the flower disc cover is in threaded connection with external threads on a flange plate through the internal threads, and the movable disc face is arranged in a cavity defined by the flange plate and the flower disc cover. Set up the position of screw hole in the face of the flower disc corresponding to moving the quotation and be provided with the hole of stepping down 4.2.1, the hole of stepping down supplies to connect the work piece of compressing tightly on the mounting disc and compress tightly the piece and stretch out, is provided with a plurality of screw holes 4.2.2 between the hole of stepping down, and these screw holes are used for installing balance iron, cushion, angle bar etc. realize the effect of fixed part position on the one hand, and on the other hand plays static balance and dynamic balance's effect. And the purpose of compressing parts is realized by the compression bar connected on the movable disc through the abdicating hole on the flower disc cover.
The thread holes arranged on the movable disk surface are preferably arranged in a radial shape, and the abdicating holes arranged on the faceplate surface are correspondingly arranged in a radial shape and communicated at the central part; the threaded holes arranged on the disc surface are radially arranged and evenly distributed and staggered with the abdicating holes.
The use method of the pneumatic faceplate for the numerical control lathe comprises the following steps:
firstly, mounting the whole flower disc on a main shaft of a machine tool through a standard flange opening;
secondly, a pressure rod 5 is connected to the movable disc, and the outer end of the pressure rod is connected with a pressing block 6;
thirdly, mounting balance iron, cushion blocks, angle iron and the like on the disc chuck cover through screws;
fourthly, mounting the part 100 on a flower disc cover, and adjusting the positions of a pressure bar, a pressing block, a nut, angle iron, balance iron, a cushion block and the like according to the shape of the part;
and fifthly, pressing down a locking key on the main shaft, driving the movable disc to move axially by the pneumatic tension rod 7, and moving the pressure rod and the pressure block towards the direction of the lathe main shaft to compress the parts.
And sixthly, after the machining is finished, pressing down the loosening locking key, driving the moving disc to move along the axial direction by the pneumatic tensioning rod, and moving the pressing rod and the pressing block towards the direction of the part to loosen the part.
Although the embodiments of the present invention and the accompanying drawings are disclosed for illustrative purposes, those skilled in the art will appreciate that: various substitutions, changes and modifications are possible without departing from the spirit of the utility model and the scope of the appended claims, and therefore the scope of the utility model is not limited to the disclosure of the embodiments and the accompanying drawings.

Claims (3)

1. The utility model provides a pneumatic flower disc is used to numerical control lathe which characterized in that: comprises a flange plate, a pressing piece mounting plate and a flange plate cover; the flange plate is fixedly connected with the front end of the lathe spindle through a screw, and an external thread is formed on the outer peripheral surface of the flange plate; the clamping piece mounting disc is a movable disc and consists of a movable disc surface and a movable disc shaft coaxially arranged at the rear end of the movable disc surface, a plurality of threaded holes for mounting the clamping piece of the workpiece are formed in the movable disc surface, the movable disc shaft is coaxially matched and connected with a central hole of the flange disc in a mode that the movable disc shaft is limited in the circumferential direction but can move in the axial direction, an external thread is formed at the end part of the movable disc shaft, and the movable disc shaft is in threaded connection with an internal threaded hole formed in the front end of a pneumatic tensioning rod of the lathe through the external thread; the movable disc surface is arranged in a cavity enclosed between the flange plate and the disc cover; the positions of the face of the faceplate, corresponding to the positions of the threaded holes in the movable disk face, are provided with yielding holes for connecting workpieces on the pressing piece mounting disk and pressing pieces to stretch out, and threaded holes are formed among the yielding holes.
2. The pneumatic chuck for a numerically controlled lathe according to claim 1, wherein: the screw holes arranged on the movable disc surface are radially arranged, and the abdicating holes arranged on the disc surface are radially arranged and communicated with each other at the central part; the threaded holes arranged on the disc surface are radially arranged and evenly distributed and staggered with the abdicating holes.
3. The pneumatic chuck for a numerically controlled lathe according to claim 1, wherein: the movable disc shaft is connected with the flange plate through a flat key or a spline.
CN202122361453.5U 2021-09-28 2021-09-28 Pneumatic flower disc for numerical control lathe Active CN216680224U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122361453.5U CN216680224U (en) 2021-09-28 2021-09-28 Pneumatic flower disc for numerical control lathe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122361453.5U CN216680224U (en) 2021-09-28 2021-09-28 Pneumatic flower disc for numerical control lathe

Publications (1)

Publication Number Publication Date
CN216680224U true CN216680224U (en) 2022-06-07

Family

ID=81830967

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202122361453.5U Active CN216680224U (en) 2021-09-28 2021-09-28 Pneumatic flower disc for numerical control lathe

Country Status (1)

Country Link
CN (1) CN216680224U (en)

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