CN112338248A - Small-size work piece processing milling machine - Google Patents

Small-size work piece processing milling machine Download PDF

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Publication number
CN112338248A
CN112338248A CN202011219451.6A CN202011219451A CN112338248A CN 112338248 A CN112338248 A CN 112338248A CN 202011219451 A CN202011219451 A CN 202011219451A CN 112338248 A CN112338248 A CN 112338248A
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CN
China
Prior art keywords
main shaft
workpiece
tool
axis
axis direction
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202011219451.6A
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Chinese (zh)
Inventor
陈虎
贺行健
任志辉
尹书强
张国靖
李耀东
刘静文
汤洪涛
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dalian Kede Numerical Control Co Ltd
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Dalian Kede Numerical Control Co Ltd
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Filing date
Publication date
Application filed by Dalian Kede Numerical Control Co Ltd filed Critical Dalian Kede Numerical Control Co Ltd
Priority to CN202011219451.6A priority Critical patent/CN112338248A/en
Publication of CN112338248A publication Critical patent/CN112338248A/en
Pending legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23C—MILLING
    • B23C3/00—Milling particular work; Special milling operations; Machines therefor
    • 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
    • B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
    • B23Q1/25—Movable or adjustable work or tool supports
    • 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
    • B23Q3/155—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling
    • B23Q3/1552—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling parts of devices for automatically inserting or removing tools
    • B23Q3/1554—Transfer mechanisms, e.g. tool gripping arms; Drive mechanisms therefore
    • 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
    • B23Q3/155—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling
    • B23Q3/157—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling of rotary tools
    • B23Q3/15713—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling of rotary tools a transfer device taking a single tool from a storage device and inserting it in a spindle
    • B23Q3/1572—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling of rotary tools a transfer device taking a single tool from a storage device and inserting it in a spindle the storage device comprising rotating or circulating storing means
    • B23Q3/15722—Rotary discs or drums
    • 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
    • B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
    • B23Q5/22—Feeding members carrying tools or work
    • B23Q5/34—Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission
    • 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

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Machine Tool Units (AREA)

Abstract

The invention provides a small workpiece processing milling machine, comprising: the tool comprises a base, an upright column in the Y-axis direction, a ram, a main shaft structure, a machining main shaft in the C-axis direction, a cross sliding table in the Z-axis direction and the X-axis direction, a workpiece main shaft in the A-axis direction, a workpiece library and a tool library; the upright post is provided with a guide rail, and the ram moves along the Y-axis direction; one end of the main shaft structure is fixedly connected with the ram, the other end of the main shaft structure is fixedly connected with the processing main shaft, and the processing main shaft is positioned on one side of the end face of the upright post, which is provided with the guide rail, and can swing in a horizontal plane vertical to the Y-axis direction. The processing main shaft is arranged on one side of the end face, provided with the guide rail, of the stand column, the distance between the processing main shaft and the stand column is not additionally increased, the rigidity of the main shaft is prevented from being reduced, meanwhile, the swinging angle of the processing main shaft is ensured, and the interference between the processing main shaft and the stand column is avoided. In addition, the invention does not need the Y axis to carry out frequent small displacement or reciprocating motion, thereby avoiding the improvement of the manufacturing cost and simultaneously improving the reliability of the equipment.

Description

Small-size work piece processing milling machine
Technical Field
The invention relates to the technical field of machine tools, in particular to a small-sized workpiece machining milling machine.
Background
In the process of machining a small workpiece such as a blisk of an aircraft engine, a machine tool is required to have high machining accuracy because the workpiece is small in size and the amount of machining to be removed is small.
The traditional milling machine is used for processing small workpieces such as a blade disc of an aircraft engine and the like and has the following defects:
1. the position relation between the main shaft and the upright column has direct influence on the swinging angle of the main shaft: when the distance between the main shaft and the upright post is larger, the rigidity of the main shaft is reduced, and the machining precision is further influenced; when the distance between the main shaft and the upright post is smaller, the main shaft needs to avoid motion interference, so that the swing angle is reduced;
2. because the Y-axis load is large, when the Y-axis frequently generates small displacement motion or reciprocating motion, in order to ensure the dynamic characteristics and accuracy of the Y-axis, it is necessary to pay higher cost than other linear axes, that is, the performance requirements for control, driving, motors, transmission and the like of the Y-axis are higher, which increases the manufacturing cost of the device on one hand and affects the reliability of the device on the other hand.
Disclosure of Invention
The invention provides a small workpiece processing milling machine, which solves the problems that a ram driving screw rod is easy to wear, the processing efficiency is low and the processing precision is not high when the existing milling machine is used for processing small workpieces.
The technical means adopted by the invention are as follows:
a small workpiece processing milling machine comprising:
the tool comprises a base, an upright column in the Y-axis direction, a ram, a main shaft structure, a machining main shaft in the C-axis direction, a cross sliding table in the Z-axis direction and the X-axis direction, a workpiece main shaft in the A-axis direction, a workpiece library and a tool library;
the upright post is arranged on the base, a guide rail is arranged on the upright post, and the ram is arranged on the guide rail and moves along the Y-axis direction; one end of the main shaft structure is fixedly connected with the ram, the other end of the main shaft structure is fixedly connected with the processing main shaft, and the processing main shaft is positioned on one side of the end face of the upright post, which is provided with the guide rail, and can swing in a horizontal plane vertical to the Y-axis direction;
the cross sliding table is positioned on one side of the end face of the upright post, which is provided with the guide rail, and is positioned below the processing main shaft; the cross sliding table is provided with the workpiece main shaft;
the workpiece library is positioned right in front of the end face of the upright column provided with the guide rail and at one end of the Z axis of the cross sliding table; the tool magazine is located one end of the X-axis of the cross sliding table close to the stand column and one side of the end face of the stand column, which is provided with the guide rail.
Further, the spindle structure includes:
the B shaft mounting body, the B shaft and the main shaft mounting body;
the B-axis mounting body comprises a ram connecting part, a supporting part and a B-axis mounting part, the ram connecting part is fixedly connected with the ram, one end of the supporting part is fixed on the ram connecting part, the other end of the supporting part is positioned on one side of the end face of the upright post, which is provided with the guide rail, and is provided with the B-axis mounting part;
the main shaft installation body comprises a shaft B connecting part and a main shaft installation part, the shaft B connecting part is fixedly connected with the shaft B, and the main shaft installation part is fixedly provided with the machining main shaft so that a working area of the machining main shaft is located below the shaft B.
Further, an extension line of the B-axis line and an extension line of the machining spindle axis line are orthogonal to a point.
Further, an extension line of the axis of the B shaft is positioned on the end face of the nose end of the machining main shaft.
Further, the base is rectangular;
the stand with be equipped with the guide rail the relative one side of terminal surface with the stand is kept away from the contained angle that corresponds of one side of cross slip table with the base angle coincidence.
Further, still include work piece main shaft mount table, first slip table and first slip table drive arrangement, the work piece main shaft mount table is installed on the cross slip table, the work piece main shaft is installed on the work piece main shaft mount table, first slip table with first slip table drive arrangement installs on the work piece main shaft mount table, first slip table drive arrangement can drive first slip table is in slide along the X axle direction on the work piece main shaft mount table.
The tool changing device comprises a tool changing sliding table, a tool clamping jaw horizontal driving device and a tool clamping jaw vertical driving device;
the tool changing sliding table is fixed on one side of a workpiece spindle on the workpiece spindle mounting table, the horizontal driving device of the tool clamping jaw can drive the tool clamping jaw to slide along the X-axis direction on the tool changing sliding table, and the vertical driving device of the tool clamping jaw can drive the tool clamping jaw to move along the Y-axis direction on the tool changing sliding table.
Further, the supporting part with the width of being connected of ram connecting portion is less than the width of ram connecting portion, just the supporting part is fixed in the one end that ram connecting portion are close to cross slip table.
Further, still include: the electric control cabinet and the tool magazine are positioned on the opposite sides of the upright post.
Furthermore, the Z-axis sliding table of the cross sliding table is arranged on the upper side of the X-axis sliding table, the tool magazine is a disc tool magazine, and the disc tool magazine is fixedly connected with the side face of the upright post.
According to the small workpiece processing milling machine disclosed by the invention, the processing main shaft is arranged on one side of the end face of the upright post, which is provided with the guide rail, so that the distance between the processing main shaft and the upright post is not additionally increased, the rigidity of the main shaft is prevented from being reduced, the swinging angle of the processing main shaft is ensured, and the interference between the processing main shaft and the upright post is avoided. In addition, when the small-sized workpiece machining milling machine disclosed by the invention is used for machining, the X-axis and Z-axis directions of movement are completed by using the cross sliding table, five-axis movement interpolation is completed by using the cross sliding table and motion axes with smaller loads such as a B axis, a C axis and the like, the Y axis mainly participates in a small amount of five-axis movement interpolation such as feeding, retracting and the like, the Y axis does not need to carry out frequent small displacement or reciprocating movement, the improvement of the manufacturing cost is avoided, and meanwhile, the reliability of equipment is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is an isometric view of a small workpiece milling machine of the present disclosure;
FIG. 2 is a front view of the small workpiece milling machine of the present disclosure;
FIG. 3 is a left side view of the small workpiece milling machine of the present disclosure;
FIG. 4 is a right side view of the small workpiece milling machine of the present disclosure;
FIG. 5 is a top view of the small workpiece milling machine of the present disclosure;
FIG. 6 is a front view of a machining spindle of the small workpiece machining milling machine of the present disclosure;
FIG. 7 is an isometric view of a machining spindle of the small workpiece machining milling machine of the present disclosure;
FIG. 8 is a front view of a workpiece spindle of the small workpiece milling machine of the present disclosure;
FIG. 9 is an isometric view of a workpiece spindle of the small workpiece milling machine of the present disclosure;
FIG. 10 is a side view of a workpiece library of the small workpiece milling machine of the present disclosure;
FIG. 11 is a side view of the tool magazine of the small workpiece milling machine of the present disclosure;
FIG. 12 is a schematic view of the tool changer of the small workpiece milling machine of the present disclosure;
fig. 13 is a side view of a tool changer of the small workpiece milling machine disclosed in the present invention.
The reference numbers illustrate:
1. the base, 10, the work piece storehouse, 11, the tool magazine, 2, the stand, 20, the guide rail, 21, the ram, 3, the main shaft structure, 30, B axle installation body, 31, the main shaft installation body, 32, the B axle, 300, ram connecting portion, 301, the supporting part, 302, B axle installation department, 310, B axle connecting portion, 311, the main shaft installation department, 4, the processing main shaft, 5, cross slip table, 6, the work piece main shaft, 60, the work piece main shaft mount table, 61, first slip table, 62, first slip table drive arrangement, 7, the chip removal structure, 8, automatically controlled cabinet, 9, tool changer, 90, slip table, 91, the cutter jack catch, 92, cutter jack catch horizontal drive arrangement, 93, the vertical drive arrangement of cutter jack catch.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 9, the small workpiece processing milling machine disclosed by the present invention comprises:
the tool comprises a base 1, an upright post 2 in the Y-axis direction, a ram 21, a main shaft structure 3, a machining main shaft 4 in the C-axis direction, a cross sliding table 5 in the Z-axis and X-axis directions, a workpiece main shaft 6 in the A-axis direction, a workpiece library 10 and a tool library 11;
the upright post 2 is arranged on the base 1, a guide rail 20 is arranged on the upright post 2, the ram is arranged on the guide rail 20, and the ram can move up and down along the Y-axis direction; one end of the main shaft structure 3 is fixedly connected with the ram, the other end of the main shaft structure is fixedly connected with the processing main shaft 4, and the processing main shaft 4 is positioned on one side of the end face of the upright post 2 provided with the guide rail 20 and can swing in a horizontal plane vertical to the Y-axis direction; the upright is roughly of a cubic structure, the bottom surface of the upright is connected with the base 1, as shown in fig. 5, the upright is fixed at the upper left corner position in the figure, two sides of four sides of the upright face the inside of the machine tool, one side is provided with a guide rail 20, the main shaft structure is connected with the guide rail 20 through a ram, and the main shaft structure extends out of the main shaft in the direction that the other side faces the inside of the machine tool; specifically, the spindle structure includes: a B-axis mounting body 30, a B-axis 32, and a main shaft mounting body 31; the B-axis mounting body 30 comprises a ram connecting part 300, a supporting part 301 and a B-axis mounting part 302, the ram connecting part 300 is fixedly connected with the ram 21, one end of the supporting part 301 is fixed on the ram connecting part 300, the other end of the supporting part 301 is positioned on one side of the end face of the upright post 2 provided with the guide rail 20 and is provided with the B-axis mounting part 302, and the B-axis 32 is arranged on the B-axis mounting part 302; the main shaft installation body 31 comprises a shaft B connection part 310 and a main shaft installation part 311, the shaft B connection part 310 is fixedly connected with the shaft B32, and the main shaft installation part 311 is fixedly provided with the machining main shaft 4 so that the working area of the machining main shaft 4 is located below the shaft B32.
The cross sliding table 5 is positioned on one side of the end face of the upright post 2 provided with the guide rail 20, namely the side where the processing spindle extends out, and is positioned below the processing spindle 4; the cross sliding table 5 is provided with the workpiece spindle 6, and in the embodiment, a Z-axis sliding table of the cross sliding table 5 is arranged on the upper side of an X-axis sliding table;
the support portion 301 is a substantially horizontal structural body, and the B axis is closer to the cross slide table than the pillar in the Z axis direction.
The workpiece library 10 is positioned right in front of the end face of the upright post 2 provided with the guide rail 20 and at one end of the Z axis of the cross sliding table 5; the tool magazine 11 is located the X axle of cross slip table 5 is close to the one end of stand 2 with stand 2 is equipped with the terminal surface one side of guide rail 20.
In the invention, the B shaft mounting body, the B shaft and the main shaft mounting body enable the processing main shaft to be positioned at one side of the end surface of the upright post 2 provided with the guide rail 20, namely the B shaft is closer to the cross sliding table than the upright post in the Z-axis direction, the rotation of the B shaft can drive the processing main shaft to swing in a horizontal plane vertical to the Y-axis direction, thereby eliminating the interference between the processing main shaft and the upright post when swinging in the horizontal plane, meanwhile, because the processing main shaft is arranged at one side of the end surface of the upright post provided with the guide rail, a workpiece library can be arranged in the direction towards which the end surface of the upright post provided with the guide rail faces, and a tool library can be arranged at one side of the upright post facing the cross sliding table, thereby effectively utilizing the whole space, ensuring the compact structure of a machine tool, improving the space utilization rate, simultaneously, reducing the distance between the, the dynamic performance of the machine tool is improved.
The processing main shaft is arranged on one side of the end face, provided with the guide rail, of the stand column, the distance between the processing main shaft and the stand column is not additionally increased, the rigidity of the main shaft is prevented from being reduced, meanwhile, the swinging angle of the processing main shaft is ensured, and the interference between the processing main shaft and the stand column is avoided. In addition, when the small-sized workpiece machining milling machine disclosed by the invention is used for machining, the X-axis and Z-axis directions of movement are completed by using the cross sliding table, five-axis movement interpolation is completed by using the cross sliding table and motion axes with smaller loads such as a B axis, a C axis and the like, the Y axis mainly participates in a small amount of five-axis movement interpolation such as feeding, retracting and the like, the Y axis does not need to carry out frequent small displacement or reciprocating movement, the improvement of the manufacturing cost is avoided, and meanwhile, the reliability of equipment is improved.
Further, an extension line of the axis of the B-axis 32 and an extension line of the axis of the machining spindle 4 are orthogonal to each other at a point. In this application, the extension line of processing main shaft and the extension line quadrature of B axle are in a bit for the nose of processing main shaft is close to the rotation center, has reduced the swing distance of processing main shaft, and then has reduced the calculated amount of processing main shaft during operation, the machining efficiency of improvement. Meanwhile, the nose end of the processing main shaft is close to the axis of the B shaft, so that the error of the B shaft driving the processing main shaft during working is reduced, and the processing precision is improved.
Further, an extension line of the axis of the B-shaft 32 is located on the nose end face of the machining spindle 4. Namely, the rotation center of the processing main shaft in the horizontal plane is superposed with the axis of the B shaft, so that the calculated amount of the processing main shaft is further reduced, and the processing efficiency and the processing precision are improved.
Further, the base 1 is rectangular;
the included angle that stand 2 and the relative one side of the terminal surface that is equipped with guide rail 20 and stand 2 keep away from one side correspondence of cross slip table 5 with the base angle coincidence of base 1. The stand is arranged at one corner of the base, so that the space at the front end of the guide rail end face of the stand on the base can be used for setting a workpiece library, the tool library can be arranged on one side of the guide rail end face of the stand, full utilization of all spaces of the base is achieved, and the space utilization rate of a machine tool can be greatly improved.
Further, still include work piece main shaft mount table 60, first slip table 61 and first slip table drive arrangement 62, work piece main shaft mount table 60 is installed on cross slip table 5, be equipped with the guide rail on the work main shaft mount table 60, first slip table 61 sets up on the guide rail, and first slip table drive arrangement 62 can be pneumatic cylinder or screw mechanism, work piece main shaft 6 is installed on the work piece main shaft mount table 60, first slip table 61 with first slip table drive arrangement 62 is installed on the work piece main shaft mount table 60, first slip table drive arrangement 62 can drive first slip table 61 is in slide along the X axle direction on the work piece main shaft mount table 60, can set up structures such as top or support frame on the first slip table in order to be used for guaranteeing to add the work piece both ends and all have the support improvement processingquality in man-hour.
Further, the tool changing device comprises a tool changing device 9, wherein the tool changing device 9 comprises a tool changing sliding table 90, a tool clamping jaw 91, a tool clamping jaw horizontal driving device 92 and a tool clamping jaw vertical driving device 93;
tool changing slip table 90 is fixed one side of work piece main shaft 6 on work piece main shaft mount table 60 is equipped with the guide rail on tool changing slip table 90, tool claw horizontal drive device 92 can drive tool claw 91 is in slide along the X axle direction on tool changing slip table 90, the vertical drive device 92 of tool claw can drive tool claw 91 is in along the motion of Y axle direction on the tool changing slip table. The automatic tool changing device can realize automatic tool changing of the machining spindle, and the specific tool changing process is as follows: in this embodiment, the tool magazine is a disc tool magazine, the disc tool magazine is fixedly connected to the side surface of the column, the ram drives the processing spindle to move upward to a certain height to avoid interference between the processing spindle and the workpiece spindle, the B axis drives the processing spindle to rotate in a horizontal plane, so that the axis direction of the processing spindle is parallel to the Z axis, the nose end of the processing spindle faces one side of the cross slide, the tool jaw horizontal driving device drives the tool jaw to move along the X direction (the side away from the tool magazine) to avoid interference between the processing spindle and the tool magazine, and the tool jaw is adjusted to a position corresponding to the position of the processing spindle by the cross slide, the ram drives the processing spindle to fall down, after the tool is clamped into the tool jaw, the cross slide moves along the side away from the processing spindle in the Z axis direction, the tool is separated from the processing spindle, and then the cross slide drives the tool changer to move to the tool, the vertical driving device of the tool clamping jaw drives the tool to move to the height which is flush with the position of the tool magazine and is inserted into the empty position of the tool magazine under the action of the cross sliding table, the vertical driving device of the tool clamping jaw drives the tool clamping jaw to move downwards to separate from the tool, then the tool magazine rotates to rotate the tool position of the tool to be replaced to the position corresponding to the tool clamping jaw, after the vertical driving device of the tool clamping jaw drives the tool clamping jaw to move upwards to clamp the tool, the cross sliding table drives the tool replacing device to move along the Z axial direction far away from one side of the tool magazine to separate the tool from the tool magazine, then the cross sliding table drives the tool replacing device to insert the tool to be replaced into the processing spindle, and the vertical driving device of the tool clamping jaw drives the tool clamping jaw to move downwards to separate from the tool so as to realize automatic tool changing. Simple structure, control is convenient, and the tool changing is efficient.
Further, supporting part 301 with ram connecting portion 300's connection width is less than ram connecting portion 300's width, just supporting part 301 is fixed in ram connecting portion 300 is close to the one end of cross slip table 5, can increase the space of supporting part below to set up the processing main shaft, avoided producing effectively between processing main shaft and the stand and interfered.
The tool magazine 11 is a disc tool magazine, and the disc tool magazine is fixedly connected with the side face of the upright post. The tool magazine adopts the disc tool magazine and fixes on the side of stand, can effectually reduce the occupation space of tool magazine, and then improves the space utilization of lathe, can effectually avoid the space interference between tool magazine and the processing main shaft simultaneously.
Further, still include: the electric control cabinet 8 and the tool magazine are located on the opposite sides of the upright post, and the electric control cabinet is arranged on the opposite side of the tool magazine, so that the space of each part of the machine tool can be effectively utilized, and the space utilization rate of the machine tool is improved.
The workpiece library comprises a workpiece library base, a chain type workpiece library bracket, a chain type workpiece library and a chain type workpiece library horizontal driving device; the workpiece library base is fixed on the base, a guide rail is arranged on one side of the workpiece library base, the chain type workpiece library support and the chain type workpiece library horizontal driving device are fixed on the workpiece library base, the chain type workpiece library horizontal driving device can drive the chain type workpiece library support to move on the guide rail along the Z-axis direction, and the chain type workpiece library is installed on the chain type workpiece library support.
The workpiece storehouse is the chain work piece storehouse, and the rotatable dress of work piece is in the work piece storehouse, and the installation direction of work piece in the work piece storehouse is mutually perpendicular with the rotation plane of work piece in the work piece storehouse to the same with the direction of work piece main shaft, the work piece storehouse has the drive arrangement in the Z axle direction, can drive the work piece storehouse and remove in the Z axle direction, be close to or keep away from the cross slip table. When the workpiece is replaced, the workpiece spindle mounting table with the workpiece moves along the X direction and the Z direction, so that the processed workpiece corresponds to a vacant position for placing the workpiece in the workpiece library, and then the workpiece library moves along the Z axis direction, is close to the workpiece spindle and enables the workpiece to enter the workpiece library; the first sliding table is driven by the first sliding table driving device to release the workpiece, so that the workpiece is separated from the workpiece main shaft; the workpiece library rotates to enable a workpiece to be machined to rotate to a workpiece main shaft fixing position, and the workpiece main shaft is matched with the first sliding table to fix the workpiece; the workpiece library moves along the Z-axis direction and is far away from the workpiece main shaft; and finishing replacing the workpiece.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims (10)

1. A small workpiece processing milling machine, comprising:
the tool comprises a base, an upright column in the Y-axis direction, a ram, a main shaft structure, a machining main shaft in the C-axis direction, a cross sliding table in the Z-axis direction and the X-axis direction, a workpiece main shaft in the A-axis direction, a workpiece library and a tool library;
the upright post is arranged on the base, a guide rail is arranged on the upright post, and the ram is arranged on the guide rail and moves along the Y-axis direction; one end of the main shaft structure is fixedly connected with the ram, the other end of the main shaft structure is fixedly connected with the processing main shaft, and the processing main shaft is positioned on one side of the end face of the upright post, which is provided with the guide rail, and can swing in a horizontal plane vertical to the Y-axis direction;
the cross sliding table is positioned on one side of the end face of the upright post, which is provided with the guide rail, and is positioned below the processing main shaft; the cross sliding table is provided with the workpiece main shaft;
the workpiece library is positioned right in front of the end face of the upright column provided with the guide rail and at one end of the Z axis of the cross sliding table; the tool magazine is located one end of the X-axis of the cross sliding table close to the stand column and one side of the end face of the stand column, which is provided with the guide rail.
2. The small workpiece processing milling machine according to claim 1, wherein the spindle structure includes:
the B shaft mounting body, the B shaft and the main shaft mounting body;
the B-axis mounting body comprises a ram connecting part, a supporting part and a B-axis mounting part, the ram connecting part is fixedly connected with the ram, one end of the supporting part is fixed on the ram connecting part, the other end of the supporting part is positioned on one side of the end face of the upright post, which is provided with the guide rail, and is provided with the B-axis mounting part;
the main shaft installation body comprises a shaft B connecting part and a main shaft installation part, the shaft B connecting part is fixedly connected with the shaft B, and the main shaft installation part is fixedly provided with the machining main shaft so that a working area of the machining main shaft is located below the shaft B.
3. The small workpiece processing milling machine according to claim 2, wherein an extension line of the B-axis line is orthogonal to an extension line of the processing spindle axis line at a point.
4. The small workpiece processing milling machine according to claim 3, wherein an extension line of the B-axis is located on a nose end face of the processing spindle.
5. The small workpiece processing milling machine of claim 4, wherein the base is rectangular;
the stand with be equipped with the guide rail the relative one side of terminal surface with the stand is kept away from the contained angle that corresponds of one side of cross slip table with the base angle coincidence.
6. The small workpiece processing milling machine according to any one of claims 1 to 5, further comprising a workpiece main shaft mounting table, a first slide table, and a first slide table driving device, wherein the workpiece main shaft mounting table is mounted on the cross slide table, the workpiece main shaft is mounted on the workpiece main shaft mounting table, the first slide table and the first slide table driving device are mounted on the workpiece main shaft mounting table, and the first slide table driving device can drive the first slide table to slide on the workpiece main shaft mounting table in the X-axis direction.
7. The small workpiece processing milling machine according to claim 6, further comprising a tool changer including a tool changing slide, a tool jaw horizontal drive, and a tool jaw vertical drive;
the tool changing sliding table is fixed on one side of a workpiece spindle on the workpiece spindle mounting table, the horizontal driving device of the tool clamping jaw can drive the tool clamping jaw to slide along the X-axis direction on the tool changing sliding table, and the vertical driving device of the tool clamping jaw can drive the tool clamping jaw to move along the Y-axis direction on the tool changing sliding table.
8. The small workpiece processing milling machine according to claim 2, wherein the connection width of the support portion to the ram connecting portion is smaller than the width of the ram connecting portion, and the support portion is fixed to one end of the ram connecting portion close to the cross slide table.
9. The small workpiece processing milling machine according to claim 1, characterized by further comprising: the electric control cabinet and the tool magazine are positioned on the opposite sides of the upright post.
10. The small workpiece processing milling machine according to claim 1, wherein a Z-axis sliding table of the cross sliding table is arranged on the upper side of an X-axis sliding table, the tool magazine is a disc tool magazine, and the disc tool magazine is fixedly connected with the side surface of the upright column.
CN202011219451.6A 2020-11-04 2020-11-04 Small-size work piece processing milling machine Pending CN112338248A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011219451.6A CN112338248A (en) 2020-11-04 2020-11-04 Small-size work piece processing milling machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011219451.6A CN112338248A (en) 2020-11-04 2020-11-04 Small-size work piece processing milling machine

Publications (1)

Publication Number Publication Date
CN112338248A true CN112338248A (en) 2021-02-09

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011219451.6A Pending CN112338248A (en) 2020-11-04 2020-11-04 Small-size work piece processing milling machine

Country Status (1)

Country Link
CN (1) CN112338248A (en)

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