CN110434664B - Automatic machining system for thin-wall parts - Google Patents

Automatic machining system for thin-wall parts Download PDF

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Publication number
CN110434664B
CN110434664B CN201910692035.9A CN201910692035A CN110434664B CN 110434664 B CN110434664 B CN 110434664B CN 201910692035 A CN201910692035 A CN 201910692035A CN 110434664 B CN110434664 B CN 110434664B
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China
Prior art keywords
zero point
point positioning
machining
head
tool
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CN201910692035.9A
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CN110434664A (en
Inventor
陈杰
李睿
尘恒
王宝瑞
杨燕
鲜晓斌
胡鑫
孟文
廖俊生
张志强
刘鑫
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Institute of Materials of CAEP
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Institute of Materials of CAEP
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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
    • B23Q17/00—Arrangements for observing, indicating or measuring on machine tools
    • B23Q17/20—Arrangements for observing, indicating or measuring on machine tools for indicating or measuring workpiece characteristics, e.g. contour, dimension, hardness
    • 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
    • B23Q3/08—Work-clamping means other than mechanically-actuated
    • B23Q3/088—Work-clamping means other than mechanically-actuated using vacuum means
    • 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
    • B23Q7/00—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting
    • B23Q7/14—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting co-ordinated in production lines
    • B23Q7/1426—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting co-ordinated in production lines with work holders not rigidly fixed to the transport devices
    • B23Q7/1494—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting co-ordinated in production lines with work holders not rigidly fixed to the transport devices using grippers

Abstract

The invention discloses an automatic processing system for thin-walled workpieces, which relates to the technical field of automatic processing, and mainly realizes the automatic processing of the thin-walled workpieces matched with a follow-up tool by arranging the follow-up tool, a feeding clamp, a processing lathe, a multiple line, a three-coordinate measuring machine, a bin, a sorting robot and a movable clamping assembly, thereby improving the automation degree and the production efficiency of a production system. Meanwhile, the invention also realizes the dimension off-line detection and on-machine detection of the processed workpiece, and can be used for closed-loop control of product quality.

Description

Automatic machining system for thin-wall parts
Technical Field
The invention relates to the technical field of automatic processing, in particular to an automatic processing system for thin-wall parts.
Background
With the popularization of automatic processing technology, the processes of loading, unloading, positioning, clamping and the like of workpieces in a production line are automatically realized by robots. Meanwhile, for the thin-wall part, because the rigidity is poor, the deformation is easy to occur under the acting force of the clamp, the thin-wall part is not suitable for being directly clamped by the clamp, and the thin-wall part needs to be matched with a follow-up tool for carrying out vacuum adsorption. How to realize the automatic processing of the thin-wall part matched with the vacuum follow-up tool becomes a technical problem to be solved urgently.
Disclosure of Invention
In summary, the present invention aims to: the thin-wall part processing system for processing the thin-wall parts can realize the automatic processing of the thin-wall parts matched with the following tools, so that the production efficiency of the system is improved.
The scheme adopted by the invention for solving the technical problems is as follows:
an automatic processing system for thin-wall parts comprises
The follow tool is provided with a suction cavity for adsorbing a workpiece, and a follow connection male head and a follow connection female head which are communicated with the suction cavity simultaneously;
the feeding fixture is provided with a feeding connecting female head and a feeding vacuum source, wherein the feeding connecting female head can be communicated with the following connecting male head when the following tool is clamped by the feeding fixture, and the feeding vacuum source is communicated with the feeding connecting female head;
the machining lathe comprises a machining clamp, wherein a machining connecting female head which can be communicated with the following connecting male head when the following tool is clamped by the machining clamp and a machining vacuum source which is communicated with the machining connecting female head are arranged on the machining clamp; the machining lathe is also provided with a Renysha probe for detecting the size of a machined workpiece;
the device comprises a multiple line, a three-coordinate measuring machine and a storage bin, wherein a sorting robot used for sorting workpieces carried by a following tool on the multiple line onto the three-coordinate measuring machine or into the storage bin is arranged on the multiple line;
the movable clamping assembly is mainly composed of a mechanical arm, a pair of clamping fingers which are arranged on the mechanical arm and can move relatively to clamp the traveling fixture between the clamping fingers, a movable connecting male head which is arranged on one of the clamping fingers and can clamp the traveling fixture along with the clamping fingers to be in butt joint with the traveling connecting female head, and a movable vacuum source which is communicated with the movable connecting male head.
Further, the retinue frock is the solid of revolution, is provided with on its top to be the chamber of inhaling of blind hole form, and the male head of retinue connection then arranges on its bottom, the axis of retinue connection male head and inhaling the chamber sets up with the axis collineation of retinue frock, the female head of retinue connection then radially extends the lateral part of retinue frock along the retinue frock.
Further, the material loading anchor clamps are first zero point positioning disc, the material loading is connected female and is extended the end of first zero point positioning disc outside along the axis of first zero point positioning disc, arrange a plurality of on the bottom of follower frock around its axis evenly arrange and with the zero point location blind rivet of first zero point positioning disc looks adaptation, work as the follower frock is in the same place with first zero point positioning disc cooperation, the follower frock is coaxial with first zero point positioning disc to make the male head of follower connection dock with the female head of material loading relatively.
Further, the machining fixture is a second zero-point positioning disc, the machining connecting female head is arranged along the axis of the second zero-point positioning disc, the second zero-point positioning disc is matched with the zero-point positioning blind rivet, the second zero-point positioning disc is fixedly connected to the outer portion of the end portion of the main shaft of the machining lathe and is arranged coaxially with the main shaft, and when the follow-up tool is fixed to the second zero-point positioning disc, the main shaft and the follow-up tool are coaxial.
Further, the main shaft is hollow, a through hole which is communicated with the main shaft in the same axial direction is formed in the second zero point positioning disc, the machining connection female head can slide in the through hole and the main shaft along the axial direction of the through hole and the axial direction of the main shaft, and when the follow-up tool is matched with the second zero point positioning disc, the machining connection female head can be selected to be in butt joint with or disconnected from the follow-up connection male head through sliding relative to the main shaft and the through hole.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that: according to the invention, by arranging the following tool, the feeding clamp, the processing lathe, the multiple line, the three-coordinate measuring machine, the stock bin and the movable clamping assembly, the automatic processing of the thin-wall part matched with the following tool is realized, and the automation degree and the production efficiency of the production system are improved. Meanwhile, the invention also realizes the dimension off-line detection and on-machine detection of the processed workpiece, and can be used for closed-loop control of product quality.
Drawings
Fig. 1 and fig. 2 are schematic structural diagrams of an automated processing system for thin-walled workpieces according to embodiment 1 of the present invention.
Fig. 3 and fig. 4 are schematic structural diagrams of two traveling tools provided in embodiment 1 of the present invention;
fig. 5 is a schematic structural view of a clamping finger provided in embodiment 1 of the present invention;
fig. 6 is a schematic structural view of a lathe provided in embodiment 1 of the present invention;
[ Specification of symbols ]
1-a following tool, 11-a following connection male head, 12-a following connection female head, 21-a feeding clamp, 3-a processing lathe, 31-a main shaft, 32-a processing connection female head, 33-a second zero point positioning disc, 4-a clamping finger, 41-a mobile connection male head, 5-a mechanical arm, 6-a multiple line, 7-a three-coordinate measuring machine, 8-a stock bin, 9-a Renyashao measuring head, 10-a sorting robot and 11-a laser marker.
Detailed Description
The invention provides an automatic processing system for thin-wall parts, which is described in detail in the following with reference to the attached drawings.
Example 1
As shown in fig. 1 to fig. 6, the automated processing system for thin-walled workpiece provided in embodiment 1 includes:
the follow tool comprises a follow tool 1, wherein a suction cavity for sucking a workpiece, and a follow connection male head 11 and a follow connection female head 12 which are communicated with the suction cavity are arranged on the follow tool 1;
the feeding fixture 21 is provided with a feeding connecting female head which can be communicated with the following connecting male head 11 when the following fixture 1 is clamped by the feeding fixture 21, and a feeding vacuum source which is communicated with the feeding connecting female head;
the processing lathe 3 comprises a processing clamp, and the processing clamp is provided with a processing connecting female head 32 which can be communicated with the following connecting male head 11 when the following tool 1 is clamped by the processing clamp, and a processing vacuum source communicated with the processing connecting female head; the machining lathe 3 is also provided with a Renysha measuring head 9 for detecting the size of a machined workpiece;
the device comprises a multiple line 6, a three-coordinate measuring machine 7 and a bin 8, wherein a sorting robot 10 used for sorting workpieces carried by a following tool 1 on the multiple line 6 onto the three-coordinate measuring machine 7 or into the bin 8 is arranged on the multiple line 6;
the movable clamping assembly is used for clamping and moving the traveling tool 1, the traveling tool 1 can be driven by the movable clamping assembly, is taken down from the feeding clamp 21 and moved to the machining clamp for clamping, and then is taken down from the machining clamp and placed on a multiple line 6, the movable clamping assembly mainly comprises a mechanical arm 5, a pair of clamping fingers 4 which are arranged on the mechanical arm 5 and can move relatively to clamp the traveling tool 1 between the clamping fingers, a movable connecting male head 41 which is arranged on one of the clamping fingers 4 and can be in butt joint with the traveling connecting female head 12 along with the clamping fingers 4 clamping the traveling tool 1, and a movable vacuum source which is communicated with the movable connecting male head 41.
Before the thin-wall part is machined, as shown in fig. 1 and 2, firstly, the follower fixture 1 is placed in a feeding clamp 21 to be clamped, the follower connecting female head 12 on the follower fixture 1 is butted with the feeding connecting female head, then, the thin-wall part is placed on a suction cavity of the follower fixture 1, a feeding vacuum source is started, the suction cavity adsorbs the thin-wall part, and then, the thin-wall part is subjected to an alignment procedure. In this embodiment 1, the object to which the follower fixture 1 is applied is specifically a hemisphere, as shown in fig. 3 and 4, two kinds of follower fixtures 1 are specifically constructed and used for the processing procedure of the inner wall surface and the outer wall surface of the hemisphere, the follower fixture 1 is a revolving body, a blind hole-shaped suction cavity is arranged on the top end of the follower fixture 1, the male follower connecting head 11 is arranged on the bottom end of the male follower connecting head, the axis of the male follower connecting head 11 and the axis of the suction cavity are arranged in a collinear manner with the axis of the follower fixture 1, and the female follower connecting head 12 extends out of the side portion of the follower fixture 1 along the radial direction of the follower fixture 1.
Specifically, as shown in fig. 3, for the follower fixture for processing the inner spherical surface of the hemispherical thin-walled part, an inner conical surface coaxial with the inner wall of the suction cavity is arranged on the inner wall of the suction cavity, the larger end of the inner conical surface is arranged outwards, and the inner conical surface is in contact with the spherical surface of the hemispherical thin-walled part to form a closed cavity. As shown in fig. 4, for the follower fixture 1 for processing the outer spherical surface of the hemispherical thin-walled member, the end surface of the suction cavity is perpendicular to the axis of the follower fixture 1 to form a plane, so as to contact with the end surface of the hemispherical thin-walled member and form a closed cavity.
After the alignment process is completed, the mechanical arm 5 drives the clamping fingers 4 to move to the feeding clamp 21, and the clamping fingers 4 in the clamping parts move relatively to clamp the traveling tool 1. As shown in fig. 5, the moving connection male 41 is arranged along the moving direction of the gripping fingers 4, and its pin end extends to the inside of both gripping fingers 4. In the clamping stage of the clamping fingers 4, the follower connecting female head 12 on the follower fixture 1 is positioned to be in the same direction as the moving direction of the clamping fingers 4, the pin end of the movable connecting male head 41 is aligned with the socket end of the follower connecting female head 12, and then the movable connecting male head 41 is in butt joint with the follower connecting female head 12 as the two clamping fingers 4 move relatively to clamp the follower fixture 1.
After the butt joint process of the mobile connection male head 41 and the accompanying connection female head 12 is completed, the suction cavity is communicated with the mobile vacuum source, and then the feeding vacuum source is closed. At the moment, the movable vacuum source is used for supporting the vacuum state of the suction cavity of the follow-up tool 1, so that the vacuum degree of the follow-up tool 1 in the switching and transferring processes is ensured. Then, the mechanical arm 5 carries the traveling tool 1 to move to the machining jig, the machining jig clamps the traveling tool 1, and the machining connection female head 32 is butted with the traveling connection male head 11 of the traveling tool 1 clamped on the machining jig.
At this time, the processing vacuum source is communicated with the suction cavity. Along with the reset action of the clamping finger 4, the communication between the suction cavity and the movable vacuum source is disconnected, the processing vacuum source replaces the movable vacuum source to provide the vacuum source for the suction cavity, and then the processing is carried out. In the machining process and after the machining process is finished, the Raney probe 9 detects the profile size of the machined workpiece on machine. And then, the clamping finger 4 again repeats the steps to clamp the follow-up tool 1 again, and the movable vacuum source is connected with the suction cavity again.
After that, the following tool 1 is driven by the mechanical arm 5 and placed on the multiple line 6, and at the moment, the movable vacuum source is disconnected from the suction cavity. The sorting robot 10 sorts the workpieces carried by the following tool 1 to the three-coordinate measuring machine 7 for off-line profile size detection, or directly places the workpieces in the bin 8 for storage. In this embodiment 1, the automatic processing of the thin-wall part matched with the follow fixture 1 is realized by arranging the follow fixture 1, the feeding fixture 21, the processing lathe 3, the multiple line 6, the three-coordinate measuring machine 7, the stock bin 8 and the movable clamping assembly, the automation degree and the production efficiency of the production system are improved, and the application prospect is good. Meanwhile, the embodiment 1 also realizes the dimension off-line detection and on-machine detection of the processed workpiece, and can be used for closed-loop control of product quality. In addition, in this embodiment 1 in the middle of, the material loading vacuum source, remove the vacuum source and process the vacuum source and all specifically choose for use and be the vacuum pump body, in addition, still be provided with laser marker 11 on the whole processing lines and be used for carrying out laser marking to the work piece to realize identification.
In this embodiment 1, material loading anchor clamps 21 is first zero point positioning disk, the material loading is connected female and is extended the end of first zero point positioning disk along the axis of first zero point positioning disk outside, it evenly arranges and works as around its axis a plurality of zero point location blind rivet with first zero point positioning disk looks adaptation to arrange on the bottom of retinue frock 1 and first zero point positioning disk fit together, retinue frock 1 and first zero point positioning disk coaxial line to make retinue male joint 11 and material loading be connected female and dock mutually. In cooperation with the machining fixture, as shown in fig. 6, the machining fixture is a second zero point positioning disk 33, the machining connection female head 32 is arranged along an axis of the second zero point positioning disk 33, the second zero point positioning disk 33 is adapted to the zero point positioning blind rivet, the second zero point positioning disk 33 is fixedly connected to the outside of the end portion of the main shaft 31 of the machining lathe 3 and is arranged coaxially with the main shaft 31, and when the follower fixture 1 is fixed to the second zero point positioning disk 33, the main shaft 31 and the follower fixture 1 are coaxial. As is known, it is relatively complicated and complicated to align a workpiece on the processing lathe 3, and in this embodiment 1, the zero point positioning blind rivet, the first zero point positioning disc and the second zero point positioning disc 33 which are matched with each other are arranged, so that the workpiece is adsorbed by the follower fixture 1 and the alignment and positioning process precision performed by the feeding fixture 21 can be effectively transferred to the processing lathe 3 through the matching, thereby improving the final processing precision.
As a preferred embodiment, in embodiment 1, as shown in fig. 6, the main shaft 31 is hollow, the second zero point positioning plate 33 is provided with a through hole coaxially communicating with the main shaft 31, the machining connection female head can slide in the through hole and the main shaft 31 along the axial direction of the two, and when the follower fixture 1 is fitted with the second zero point positioning plate 33, the machining connection female head 32 can selectively make or break contact with the follower connection male head 11 by sliding relative to the main shaft 31 and the through hole, so as to realize on-off control of the suction chamber vacuum source during machining. Further, in the present embodiment, the machining connection female 32 is communicated with the machining vacuum source (vacuum pump) by a rotary connector disposed in the main shaft 31 to connect the connection pipe and the machining vacuum source.

Claims (5)

1. An automated processing system for thin walled articles, comprising:
the follow tool is provided with a suction cavity for adsorbing a workpiece, and a follow connection male head and a follow connection female head which are communicated with the suction cavity simultaneously;
the feeding fixture is provided with a feeding connecting female head and a feeding vacuum source, wherein the feeding connecting female head can be communicated with the following connecting male head when the following tool is clamped by the feeding fixture, and the feeding vacuum source is communicated with the feeding connecting female head;
the machining lathe comprises a machining clamp, wherein a machining connecting female head which can be communicated with the following connecting male head when the following tool is clamped by the machining clamp and a machining vacuum source which is communicated with the machining connecting female head are arranged on the machining clamp; the machining lathe is also provided with a Renysha probe for detecting the size of a machined workpiece;
the device comprises a multiple line, a three-coordinate measuring machine and a storage bin, wherein a sorting robot used for sorting workpieces carried by a following tool on the multiple line onto the three-coordinate measuring machine or into the storage bin is arranged on the multiple line;
the movable clamping assembly is driven by the movable clamping assembly, the movable clamping assembly is taken down from a feeding clamp and moved to a machining clamp for clamping, then the movable clamping assembly is taken down from the machining clamp and placed on a multiple line, the movable clamping assembly mainly comprises a mechanical arm, a pair of clamping fingers which are arranged on the mechanical arm and can move relatively to clamp the traveling fixture between the clamping fingers, a movable connecting male head which is arranged on one of the clamping fingers and can be in butt joint with the traveling connecting female head along with the clamping fingers clamping the traveling fixture, and a movable vacuum source which is communicated with the movable connecting male head.
2. An automated processing system for thin walled parts according to claim 1, wherein: the portable frock is the solid of revolution, is provided with on its top to be the chamber of inhaling of blind hole form, and the male head of retinue connection then arranges on its bottom, the axis collineation of axis and portable frock of male head and inhaling the chamber is connected in the retinue, the female head of retinue connection then radially extends the lateral part of portable frock along portable frock.
3. An automated processing system for thin walled parts according to claim 2, wherein: the material loading anchor clamps are first zero point positioning disk, the material loading is connected female and is extended the end of first zero point positioning disk along the axis of first zero point positioning disk outward, it evenly arranges around its axis and with the zero point location blind rivet of first zero point positioning disk looks adaptation to arrange a plurality of on the bottom of retinue frock, works as retinue frock and first zero point positioning disk are in the same place, retinue frock and first zero point positioning disk coaxial line to make the public head of retinue connection and material loading be connected female butt joint.
4. An automated processing system for thin walled parts according to claim 3, wherein: the processing fixture is a second zero point positioning disc, the processing connecting female head is arranged along the axis of the second zero point positioning disc, the second zero point positioning disc is matched with the zero point positioning blind rivet, the second zero point positioning disc is fixedly connected to the outer portion of the end portion of the main shaft of the processing lathe and is arranged coaxially with the main shaft, and when the follow-up tool is fixed with the second zero point positioning disc, the main shaft and the follow-up tool are coaxial.
5. An automated processing system for thin walled parts according to claim 4 wherein: the main shaft is hollow, a through hole which is communicated with the main shaft in the same axial direction is formed in the second zero point positioning disc, the machining connection female head can slide in the through hole and the main shaft along the axial direction of the through hole and the axial direction of the main shaft, and when the follow tool is matched with the second zero point positioning disc, the machining connection female head can slide relative to the main shaft and the through hole to select to be in butt joint with or disconnected from the follow connection male head.
CN201910692035.9A 2019-07-30 2019-07-30 Automatic machining system for thin-wall parts Active CN110434664B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910692035.9A CN110434664B (en) 2019-07-30 2019-07-30 Automatic machining system for thin-wall parts

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Application Number Priority Date Filing Date Title
CN201910692035.9A CN110434664B (en) 2019-07-30 2019-07-30 Automatic machining system for thin-wall parts

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CN110434664B true CN110434664B (en) 2021-09-10

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Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203863406U (en) * 2014-04-09 2014-10-08 珠海丰谷金属制品有限公司 Vacuum clamp for machining flat ultra-thin wall piece
CN104029038A (en) * 2014-06-11 2014-09-10 陕西法士特齿轮有限责任公司 Follow fixture and thin-walled part machining method based on same
CN104716503A (en) * 2015-02-13 2015-06-17 奇瑞汽车股份有限公司 Follow fixture electrical fast connecting device
CN107088888A (en) * 2017-05-23 2017-08-25 深圳市连硕教育投资管理有限公司 A kind of fast replacing device and workbench for robot clamp
CN109048449A (en) * 2018-06-30 2018-12-21 北京动力机械研究所 A kind of numerically-controlled machine tool automatic loading and unloading system
CN208681048U (en) * 2018-09-19 2019-04-02 上海矢力机械设备有限公司 A kind of eddy spinner disk and quiet disk held tight device
CN208840919U (en) * 2018-09-29 2019-05-10 沈阳明日航材设备技术有限公司 A kind of ball accessory turning fixture of large thin-wall half

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