CN112454012B - A small workpiece processing system - Google Patents

A small workpiece processing system

Info

Publication number
CN112454012B
CN112454012B CN202011218580.3A CN202011218580A CN112454012B CN 112454012 B CN112454012 B CN 112454012B CN 202011218580 A CN202011218580 A CN 202011218580A CN 112454012 B CN112454012 B CN 112454012B
Authority
CN
China
Prior art keywords
workpiece
axis
tool
main shaft
magazine
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.)
Active
Application number
CN202011218580.3A
Other languages
Chinese (zh)
Other versions
CN112454012A (en
Inventor
陈虎
贺行健
王峰
王连炀
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
Original Assignee
Dalian Kede Numerical Control Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Dalian Kede Numerical Control Co Ltd filed Critical Dalian Kede Numerical Control Co Ltd
Priority to CN202011218580.3A priority Critical patent/CN112454012B/en
Publication of CN112454012A publication Critical patent/CN112454012A/en
Application granted granted Critical
Publication of CN112454012B publication Critical patent/CN112454012B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • B23Q41/00—Combinations or associations of metal-working machines not directed to a particular result according to classes B21, B23, or B24
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23C—MILLING
    • B23C1/00—Milling machines not designed for particular work or special operations
    • B23C1/02—Milling machines not designed for particular work or special operations with one horizontal working-spindle
    • 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
    • B23Q3/15753—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 the storage means rotating or circulating in a plane perpendicular to the axis of the spindle
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B27/00—Other grinding machines or devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B41/00—Component parts such as frames, beds, carriages, headstocks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B41/00—Component parts such as frames, beds, carriages, headstocks
    • B24B41/02—Frames; Beds; Carriages
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B41/00—Component parts such as frames, beds, carriages, headstocks
    • B24B41/04—Headstocks; Working-spindles; Features relating thereto
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B45/00—Means for securing grinding wheels on rotary arbors
    • B24B45/006—Quick mount and release means for disc-like wheels, e.g. on power tools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B53/00—Devices or means for dressing or conditioning abrasive surfaces
    • 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
    • B23Q2003/155404—Transfer mechanisms, e.g. tool gripping arms; Drive mechanisms therefore the transfer mechanism comprising a single gripper
    • B23Q2003/155407—Transfer mechanisms, e.g. tool gripping arms; Drive mechanisms therefore the transfer mechanism comprising a single gripper linearly movable

Landscapes

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

Abstract

The invention discloses a small workpiece machining system which comprises a plurality of small workpiece machining machine tools, a workpiece conveying unit and a cutter conveying unit, wherein each small workpiece machining machine tool comprises a B-axis installation body, a B-axis and a main shaft installation body, one end of each B-axis installation body is fixed on a ram on a stand column, the other end of each B-axis installation body is fixed with the B-axis, a main shaft installation body is fixed on each B-axis, a machining main shaft is fixed on each main shaft installation body, a working area of the machining main shaft is located below the B-axis and can swing in a horizontal plane perpendicular to the Y-axis direction, a first reserved area is located right in front of the end face of a guide rail, a second reserved area is located on the side face of the stand column, two cross sliding tables of two adjacent machining machine tools are located in the same direction, the first reserved area and the second reserved area can be a cutter library/a workpiece library, and the workpiece conveying unit/the cutter conveying unit are located on one side of the first reserved area and one side of the second reserved area. The system has the advantages of compact structure, small occupied space and the like.

Description

Small-size work piece system of processing
Technical Field
The invention relates to the field of machine tool machining, in particular to a small-sized workpiece machining system.
Background
With the development of industrialization, more and more workpieces are required to be produced in batches by a numerical control machine tool, and in order to improve the processing efficiency of the workpieces, a workpiece processing system is needed to realize rapid batch processing of the workpieces.
Disclosure of Invention
The invention provides a small-sized workpiece processing system which is used for realizing batch processing of small-sized workpieces.
The invention adopts the following technical means:
A compact workpiece processing system, comprising:
A plurality of small-sized workpiece processing machine tools, a workpiece conveying unit and a cutter conveying unit;
the small workpiece processing machine tool comprises a base, an upright post in the Y-axis direction, a ram, a B-axis installation body, a B-axis, a main shaft installation body, a processing main shaft in the C-axis direction, a cross sliding table in the Z-axis and X-axis directions, a workpiece main shaft in the A-axis direction, a first reserved area and a second reserved area;
The stand column is arranged on the base, a guide rail is arranged on the stand column, the ram is arranged on the guide rail and moves along the Y-axis direction, one end of the B-axis installation body is fixed on the ram, the other end of the B-axis installation body is fixed with the B-axis, the B-axis installation body is fixed with the main shaft, and the main shaft installation body is fixed with the processing main shaft so that the working area of the processing main shaft is positioned below the B-axis and can swing in a horizontal plane perpendicular to the Y-axis direction;
the cross sliding table is positioned at one side of the end face of the upright post, provided with the guide rail, and positioned below the processing main shaft;
The cross sliding tables of two adjacent processing machine tools are positioned in the same direction, the first reserved area is a workpiece library/tool library, and the second reserved area is a tool library/workpiece library;
The workpiece conveying unit/tool conveying unit is located on one side of the first reserved area, and the tool conveying unit/workpiece conveying unit is located on one side of the second reserved area.
Further, an extension line of the B-axis is orthogonal to an extension line of the machining spindle axis.
Further, an extension line of the axis of the B shaft is positioned on the nose end face of the processing main shaft.
Further, the B-axis installation body comprises a ram connecting part, a supporting part and a B-axis installation part, wherein 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 a guide rail, and the B-axis installation part is arranged on the end face of the upright post, and the B-axis installation part is provided with a B-axis;
the main shaft installation body comprises a B shaft connection part and a main shaft installation part, wherein the B shaft connection part is fixedly connected with the B shaft, and the main shaft installation part is fixedly provided with the processing main shaft so that the working area of the processing main shaft is positioned below the B shaft.
Further, an included angle between one side of the upright post opposite to the end face provided with the guide rail and one side of the upright post far away from the cross sliding table coincides with a base angle of the base.
Further, the connection width of the supporting portion and the ram connecting portion is smaller than the width of the ram connecting portion, and the supporting portion is fixed to one end, close to the cross sliding table, of the ram connecting portion.
Further, when the first reserved area is a tool magazine, the tool magazine is a knife sharpening tool magazine, and the knife sharpening tool magazine comprises a tool magazine sliding table, a turntable horizontal driving device, a turntable and a tool supporting component;
The tool magazine sliding table is fixed on the base, the tool magazine sliding table is provided with a turntable horizontal driving device and a turntable, the turntable horizontal driving device can drive the turntable to move on the tool magazine sliding table along the Z-axis direction, the turntable can rotate in the horizontal plane, and a plurality of tool support assemblies are uniformly distributed on the turntable in the circumferential direction.
Further, the tool changer further comprises a second tool changer and a workpiece spindle mounting table, wherein the workpiece spindle mounting table is arranged on the cross sliding table, the workpiece spindle is arranged on the workpiece spindle mounting table, and the second tool changer comprises a second tool changer fixing seat and a tool supporting component;
The second tool magazine fixing seat is fixed at one end, far away from the workpiece magazine, of the workpiece spindle mounting table, and a plurality of tool support assemblies are arranged on the second tool magazine fixing seat along the Z-axis direction.
Further, a manipulator is further arranged on the side wall of the upright post, which faces one side of the second reserved area.
Further, when the second reserved area is a tool magazine, the tool magazine is a disc milling tool magazine, and the disc milling tool magazine is fixed on the side wall of the upright post.
The small workpiece processing system disclosed by the invention is provided with a plurality of small workpiece processing machine tools, workpiece conveying units and cutter conveying units, wherein the processing main shaft area and the working main shaft area of the machine tools are respectively positioned on one side of the end face of the upright post, which is provided with the guide rail, so that a first reserved area is formed on one side of the end face of the upright post, which is provided with the guide rail, and a second reserved area is formed on one side of the upright post, which faces the workpiece main shaft, wherein the first reserved area is a workpiece warehouse/cutter warehouse, the second reserved area is a cutter warehouse/workpiece warehouse, one side of the first reserved area can be provided with the workpiece conveying units/cutter conveying units, one side of the second reserved area can be provided with the cutter conveying units/workpiece conveying units, and cutters/workpieces can be quickly conveyed into each processing machine tool through the cutter conveying units/workpiece conveying units, so that batch production of the workpieces is realized, and the processing system has the advantages of compact structure, small occupied space and the like.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions of the prior art, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it will be obvious that the drawings in the following description are some embodiments of the present invention, and that other drawings can be obtained according to these drawings without inventive effort to a person skilled in the art.
FIG. 1 is a block diagram of a first embodiment of a disclosed small-scale workpiece machining system, the machine tool being a milling machine;
FIG. 2 is an isometric view of a milling machine as the machine tool in the small workpiece processing system of the present disclosure;
FIG. 3 is a front view of the milling machine of the present disclosure;
FIG. 4 is a left side view of the milling machine of the present disclosure;
FIG. 5 is a right side view of the present disclosure;
FIG. 6 is a top view of the present disclosure;
FIG. 7 is a front view of a machining spindle of the present disclosure;
FIG. 8 is an isometric view of a machining spindle of the present disclosure;
FIG. 9 is a front view of a workpiece spindle of the present disclosure;
FIG. 10 is an isometric view of a workpiece spindle of the present disclosure;
FIG. 11 is a side view of a workpiece library of the present disclosure;
FIG. 12 is a side view of the tool magazine of the present disclosure;
FIG. 13 is a block diagram of a second embodiment of the disclosed small workpiece processing system, the processing machine being a grinding machine;
FIG. 14 is an isometric view of a machine tool as a grinding machine in the disclosed small workpiece machining system;
FIG. 15 is a front view of the disclosed grinding machine;
FIG. 16 is a left side view of the disclosed grinding machine;
FIG. 17 is a right side view of the disclosed grinding machine;
FIG. 18 is a top view of the disclosed grinding machine;
FIG. 19 is a front view of a machining spindle of the disclosed grinding machine;
FIG. 20 is an isometric view of a machining spindle of the disclosed grinding machine;
FIG. 21 is an isometric view of a first tool magazine of the disclosed grinding machine;
FIG. 22 is an isometric view of a second tool magazine of the disclosed grinding machine;
Fig. 23 is an isometric view of a workpiece spindle mount of the present disclosure.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
A first embodiment of the presently disclosed compact workpiece processing system is shown in fig. 1, comprising:
a plurality of small-sized workpiece processing milling machines 01, a workpiece conveying unit 02 and a cutter conveying unit 03;
As shown in fig. 2 to 8, the small workpiece machining milling machine comprises a base 1, an upright post 2 in the Y-axis direction, a ram 21, a B-axis mounting body 30, a B-axis 32, a main shaft mounting body 31, 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 first reserved area and a second reserved area;
The stand column 2 is arranged on the base 1, a guide rail 20 is arranged on the stand column 2, the ram 21 is arranged on the guide rail 20 and moves along the Y-axis direction, one end of the B-axis installation body 31 is fixed on the ram 21, the other end of the B-axis installation body is fixed with the B-axis 32, the B-axis 32 is fixed with the main shaft installation body 30, and the main shaft installation body 30 is fixed with the processing main shaft 4, so that the working area of the processing main shaft 4 is positioned below the B-axis 32 and can swing in a horizontal plane perpendicular to the Y-axis direction;
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, and is positioned below the processing main shaft 4, and the workpiece main shaft 6 is arranged on the cross sliding table 5;
The first reserved area is positioned right in front of the end face of the upright post 2 provided with the guide rail, the second reserved area is positioned on the side face of the upright post 2 and above the cross sliding table 5, the cross sliding tables of two adjacent processing milling machines are positioned in the same direction, the first reserved area is provided with a workpiece warehouse 10, the second reserved area is provided with a cutter warehouse, in the embodiment, the cutter warehouse 11 is a disc milling cutter warehouse, and the disc milling cutter warehouse is fixed on the side wall of the upright post.
The workpiece conveying unit is located on one side of the first reserved area, and the cutter conveying unit is located on one side of the second reserved area.
Because the milling machine is provided with a plurality of small-sized workpiece processing milling machines, the plurality of small-sized workpiece processing milling machines share one set of workpiece conveying unit and tool conveying unit; meanwhile, the workpiece library can be arranged in the direction facing the end surface of the upright post provided with the guide rail due to the arrangement of the processing main shaft and the end surface of the upright post provided with the guide rail, the tool magazine can be arranged on the side of the upright post facing the cross sliding table, the whole space is effectively utilized, the machine tool structure is compact, the space utilization rate is improved, the processing main shaft area and the working main shaft area of the milling machine are both positioned on the side of the end surface of the upright post provided with the guide rail, the side of the end surface of the upright post provided with the guide rail forms a first reserved area, the side of the upright post facing the workpiece main shaft forms a second reserved area, the first reserved area is the workpiece library, one side of the first reserved area is provided with a workpiece conveying unit, one side of the second reserved area is provided with a cutter conveying unit, the cutter conveying unit is arranged on one side of the second reserved area, and the cutter conveying unit is used for conveying workpieces in the machine tool, and the machine tool can be conveyed by the cutter conveying unit in a compact mode.
Further, an extension line of the axis of the B-shaft 32 is orthogonal to an extension line of the axis of the processing spindle 4. According to the application, the extension line of the processing main shaft is orthogonal to one point with the extension line of the B shaft, so that the nose end of the processing main shaft is close to the rotation center, the swing distance of the processing main shaft is reduced, the calculated amount of the processing main shaft during working is further reduced, and the processing efficiency is improved. Meanwhile, as the nose end of the processing main shaft is close to the axis of the B shaft, the error of the B shaft when driving the processing main shaft to work 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. The rotation center of the processing main shaft in the horizontal plane is coincident 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.
The machine tool disclosed by the application has the advantages of rigidity and avoidance of motion interference. Make the point of the tool nose approach to five-axis linkage as much as possible is arranged at the right intersection point of the rotation axis of the bearing, the calculation amount of five-axis linkage interpolation operation is reduced as much as possible. Because the load on the Y axis is larger, when small displacement movement or reciprocating movement frequently occurs, compared with other linear axes, the dynamic characteristics and the precision are ensured to be high in cost (the performance requirements of control, driving, motor, transmission and the like are higher). For blanks of cutter bar stock, the machine tool structure is suitable for processing cutter bar stock because frequent reciprocating motion of a Y axis is not needed. When the machine tool structure is used for machining, five-axis motion interpolation is mainly completed by the motion axes with smaller loads such as the X axis, the Z axis, the B axis and the A axis, and the Y axis mainly participates in small amount of five-axis motion interpolation such as feeding, retracting and the like, so that the machine tool structure can maximize the benefits and avoid the shortages.
Further, as shown in fig. 9 and 10, the workpiece spindle mounting table 60, the first sliding table 61 and the first sliding table driving device 62 are further included, the workpiece spindle mounting table 60 is mounted on the cross sliding table 5, a guide rail is arranged on the workpiece spindle mounting table 60, the first sliding table 61 is arranged on the guide rail, the first sliding table driving device 62 can be a hydraulic cylinder or a screw mechanism, the workpiece spindle 6 is mounted on the workpiece spindle mounting table 60, the first sliding table 61 and the first sliding table driving device 62 are mounted on the workpiece spindle mounting table 60, the first sliding table driving device 62 can drive the first sliding table 61 to slide on the workpiece spindle mounting table 60 along the X-axis direction, and structures such as a center or a supporting frame can be arranged on the first sliding table so as to ensure that both ends of a workpiece are supported during processing to improve processing quality.
Further, the tool changer 9 comprises a tool changing sliding table 90, a tool claw 91, a tool claw horizontal driving device 92 and a tool claw vertical driving device 93;
The tool changing sliding table 90 is fixed on one side of the workpiece spindle 6 on the workpiece spindle mounting table 60, a guide rail is arranged on the tool changing sliding table 90, the tool claw horizontal driving device 92 can drive the tool claw 91 to slide on the tool changing sliding table 90 along the X-axis direction, and the tool claw vertical driving device 92 can drive the tool claw 91 to move on the tool changing sliding table along the Y-axis direction. The automatic tool changing of the processing main shaft can be realized through the tool changing device, and the specific tool changing process is as follows: in this embodiment, the tool magazine is a disc-type tool magazine, the disc-type tool magazine is fixedly connected with the side surface of the upright post, the ram drives the processing spindle to move upwards to a certain height so as to avoid interference between the processing spindle and the workpiece spindle, the B-axis drives the processing spindle to rotate in a horizontal plane, 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 sliding table, the tool claw horizontal driving device drives the tool claw to move along the X-direction (the side far away from the tool magazine) so as to avoid interference between the processing spindle and the tool magazine, the ram drives the processing spindle to fall, after the tool is clamped into the tool claw, the cross sliding table moves away from one side of the processing spindle along the Z-axis, the tool is separated from the processing spindle, then the cross sliding table drives the tool changing device to move to an accessory of the tool magazine, the tool claw vertical driving device drives the tool to move to a height flush with the tool magazine, and inserts into a position under the action of the cross sliding table, the tool claw vertical driving device drives the tool claw to move downwards to separate from the tool claw, then the cross sliding table rotates to move to the tool claw is required to be separated from the tool claw to move upwards along the Z-axis, and then the tool claw is required to be moved upwards to be separated from the tool claw driving device is required to move along the tool claw Z-direction after the cross sliding table is moved to be separated from the tool claw, the vertical driving device of the cutter claw drives the cutter claw to move downwards to be separated from the cutter, so that automatic cutter changing is realized, the cutter changing process can be realized only under the existing XYZ three coordinates, other auxiliary components are not needed, the structure is simple, the control is convenient, and the cutter changing efficiency is high.
The workpiece warehouse shown in fig. 11 comprises a workpiece warehouse base 100, a chain type workpiece warehouse support 101, a chain type workpiece warehouse 102 and a chain type workpiece warehouse horizontal driving device 103, wherein the workpiece warehouse base is fixed on a base, one side of the workpiece warehouse base is provided with a guide rail 104, the chain type workpiece warehouse support and the chain type workpiece warehouse horizontal driving device are fixed on the workpiece warehouse base, the chain type workpiece warehouse horizontal driving device can drive the chain type workpiece warehouse support to move on the guide rail along the Z-axis direction, and the chain type workpiece warehouse is arranged on the chain type workpiece warehouse support.
The workpiece warehouse is a chain type workpiece warehouse, the workpieces are rotatably arranged in the workpiece warehouse, the installation direction of the workpieces in the workpiece warehouse is perpendicular to the rotation plane of the workpieces in the workpiece warehouse and the same as the direction of the workpiece main shaft, and the workpiece warehouse is provided with a driving device in the Z-axis direction and can drive the workpiece warehouse to move in the Z-axis direction and approach or be far away from the cross sliding table. When the workpiece is replaced, the workpiece spindle mounting table with the workpiece moves along the X and Z directions, the machined workpiece corresponds to a vacancy for placing the workpiece in the workpiece warehouse, then the workpiece warehouse moves along the Z axis direction, approaches the workpiece spindle and enables the workpiece to enter the workpiece warehouse, the first sliding table releases the workpiece under the drive of the first sliding table driving device, the workpiece is separated from the workpiece spindle, the workpiece warehouse rotates, the workpiece to be machined rotates to a workpiece spindle fixable position, the workpiece spindle is matched with the first sliding table to fix the workpiece, the workpiece warehouse moves along the Z axis direction and is far away from the workpiece spindle, and the workpiece replacement is completed.
Further, the B-axis installation body comprises a ram connecting part, a supporting part and a B-axis installation part, wherein 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 a guide rail, and the B-axis installation part is arranged on the end face of the upright post, and the B-axis installation part is provided with a B-axis;
the main shaft installation body comprises a B shaft connection part and a main shaft installation part, wherein the B shaft connection part is fixedly connected with the B shaft, and the main shaft installation part is fixedly provided with the processing main shaft so that the working area of the processing main shaft is positioned below the B shaft.
According to the invention, the processing main shaft is positioned on one side of the end face of the upright post 2, which is provided with the guide rail 20, through the B shaft mounting body, the B shaft and the main shaft mounting body, the rotation of the B shaft can drive the processing main shaft to swing in the horizontal plane perpendicular to the Y shaft direction, so that interference between the processing main shaft and the upright post can be eliminated when the processing main shaft swings in the horizontal plane, meanwhile, as the processing main shaft is arranged on one side of the end face of the upright post, which is provided with the guide rail, can be provided with the first tool magazine, and the side of the end face of the upright post, which is provided with the guide rail, can be provided with the workpiece magazine, so that the whole space is effectively utilized, the compact structure of the milling machine is ensured, the space utilization rate is improved, the distance between the axis of the processing main shaft and the end face of the guide rail is reduced, the rigidity between the processing main shaft and the ram is ensured, and the dynamic performance of the machine tool is improved.
Further, the base 1 is rectangular;
An included angle between one side of the upright 2 opposite to the end surface provided with the guide rail 20 and one side of the upright 2 far away from the cross sliding table 5 coincides with the base angle of the base 1. The stand is arranged at one corner of the base, so that the space, which is positioned on the base and at the front end of the stand, provided with the guide rail end face can be used for setting the first tool magazine, and the workpiece magazine can be arranged on one side of the stand, provided with the guide rail end face, of the stand, so that the full utilization of all the space of the base is realized, and the space utilization rate of a machine tool can be greatly improved. The whole layout structure of the machine tool is compact, the occupied area is reduced, more processing equipment can be arranged under the same workshop area, the production capacity is improved, and the production cost is reduced.
Further, the connection width of the supporting portion 301 and the ram connecting portion 300 is smaller than the width of the ram connecting portion 300, and the supporting portion 301 is fixed at one end of the ram connecting portion 300, which is close to the cross sliding table 5, so that the space below the supporting portion can be increased, the machining spindle is conveniently arranged, and interference between the machining spindle and the upright is effectively avoided.
Example 2
A second embodiment of the presently disclosed compact workpiece processing system is shown in fig. 13, comprising:
A plurality of small-sized workpiece processing systems 01, a workpiece conveying unit 02 and a tool conveying unit 03;
As shown in fig. 14 to 20, the small workpiece processing system comprises a base 1, an upright post 2 in the Y-axis direction, a ram 20, a B-axis mounting body 30, a B-axis 32, a spindle mounting body 31, a processing spindle 4 in the C-axis direction, a cross sliding table 5 in the Z-axis and X-axis directions, a workpiece spindle 6 in the a-axis direction, a first reserved area and a second reserved area;
The stand column 2 is arranged on the base 1, a guide rail 20 is arranged on the stand column 2, the ram 21 is arranged on the guide rail 20 and moves along the Y-axis direction, one end of the B-axis installation body 30 is fixed on the ram 21, the other end of the B-axis installation body is fixed with the B-axis 32, the B-axis 32 is fixed with the main shaft installation body 31, and the main shaft installation body 31 is fixed with the processing main shaft 4, so that the working area of the processing main shaft is positioned below the B-axis and can swing in a horizontal plane perpendicular to the Y-axis direction;
The cross sliding table 5 is positioned on one side of the end face of the upright post 2, provided with the guide rail, and is positioned below the processing main shaft 4, and the workpiece main shaft 6 is arranged on the cross sliding table 5;
the first reserved area is positioned right in front of the end face of the guide rail, and the second reserved area is positioned on the side face of the upright post and above the cross sliding table;
the cutter conveying unit is located on one side of the first reserved area, and the workpiece conveying unit is located on one side of the second reserved area.
Because of the plurality of small-sized workpiece processing systems, the plurality of small-sized workpiece processing systems share one set of workpiece conveying unit and tool conveying unit; meanwhile, the tool magazine can be arranged in the direction facing the end surface of the upright post provided with the guide rail due to the arrangement of the processing main shaft and the end surface of the upright post provided with the guide rail, the side of the upright post facing the cross sliding table can be provided with a workpiece library, the whole space is effectively utilized, the machine tool structure is compact, the space utilization rate is improved, the processing main shaft area and the working main shaft area of the grinding machine are both positioned on the side of the upright post provided with the guide rail end surface, the side of the upright post provided with the guide rail forms a first reserved area, the side of the upright post facing the workpiece main shaft forms a second reserved area, the first reserved area is the tool magazine, the side of the first reserved area is provided with a tool conveying unit, and the side of the second reserved area is provided with a workpiece conveying unit.
Further, an extension line of the axis of the B-shaft 32 is orthogonal to an extension line of the axis of the processing spindle 4. According to the application, the extension line of the processing main shaft is orthogonal to one point with the extension line of the B shaft, so that the nose end of the processing main shaft is close to the rotation center, the swing distance of the processing main shaft is reduced, the calculated amount of the processing main shaft during working is further reduced, and the processing efficiency is improved. Meanwhile, as the nose end of the processing main shaft is close to the axis of the B shaft, the error of the B shaft when driving the processing main shaft to work 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. The rotation center of the processing main shaft in the horizontal plane is coincident 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;
An included angle between one side of the upright 2 opposite to the end surface provided with the guide rail 20 and one side of the upright 2 far away from the cross sliding table 5 coincides with the base angle of the base 1. The stand is arranged at one corner of the base, so that the space, which is positioned on the base and at the front end of the stand, provided with the guide rail end face can be used for setting the first tool magazine, and the workpiece magazine can be arranged on one side of the stand, provided with the guide rail end face, of the stand, so that the full utilization of all the space of the base is realized, and the space utilization rate of a machine tool can be greatly improved.
Further, as shown in fig. 21, the first tool magazine 8 includes a tool magazine slide table 80, a turntable horizontal driving device 81, a turntable 82, and a tool support assembly 83;
The tool magazine sliding table 80 is fixed on the base 1, the tool magazine sliding table 80 is provided with a turntable horizontal driving device 81 and a turntable 82, the turntable horizontal driving device 81 can drive the turntable 82 to move on the tool magazine sliding table 80 along the Z-axis direction, the turntable 82 can rotate in the horizontal plane, and a plurality of tool supporting assemblies 83 are uniformly distributed on the turntable 82 in the circumferential direction.
The tool magazine sliding table is fixed on a front end base of an end face of the upright post, which is provided with a guide rail, a guide post is arranged on the tool magazine sliding table along the Z-axis direction, the turntable 82 comprises a turntable 84, a turntable mounting seat 85 and a driving motor, the turntable mounting seat 85 is arranged on the guide rail or the guide post, the turntable horizontal driving device 81 can be a pneumatic cylinder or a screw driving structure, the turntable horizontal driving device can drive the turntable mounting seat to slide on the tool magazine sliding table along the Z-axis direction, a motor and a turntable are arranged on the turntable mounting seat, the motor can drive the turntable to rotate in a horizontal plane, a plurality of tool supporting assemblies 83 are uniformly distributed on the turntable in the circumferential direction, and tools can be arranged on the tool supporting assemblies 83.
The automatic tool changing can be realized through being provided with the first tool changer, the ram drives the processing main shaft to move upwards to a position higher than the first tool changer through the process of changing the tool of the first tool changer, the processing main shaft is controlled to rotate in a horizontal plane, the nose end of the processing main shaft faces one side of the first tool changer, the rotary table of the first tool changer rotates, an empty tool bit (no tool on the tool supporting component) on the rotary table rotates to one side facing the processing main shaft, the rotary table horizontal driving device drives the rotary table to move to one side close to the processing main shaft, the empty tool bit is positioned below the processing main shaft, the ram drives the processing main shaft to move downwards, after the tool on the processing main shaft is clamped into the tool supporting component, the rotary table horizontal driving device drives the rotary table to move to one side far away from the processing main shaft, the tool on the processing main shaft is separated from the processing main shaft, the rotary table rotates again, the tool bit to be replaced is rotated to one side facing the processing main shaft, the rotary table horizontal driving device drives the rotary table to move to one side close to the processing main shaft, and the required tool bit is inserted into the processing main shaft, and the ram drives the processing main shaft to move upwards, and the tool to be replaced, and the tool bit to be replaced is separated from the first tool bit is separated from the first tool main shaft.
Further, as shown in fig. 23, the workpiece spindle mounting table 60 is further included, the workpiece spindle mounting table 60 is fixed on the Z-axis slide table of the cross slide table 5, and the workpiece spindle 4 is mounted on the workpiece spindle mounting table 60. The workpiece spindle mounting table 60 is further provided with a second sliding table 61 and a second sliding table driving device 62, and the second sliding table driving device 62 can drive the second sliding table 61 to slide on the workpiece spindle mounting table along the X-axis direction. Specifically, the workpiece spindle mounting table 60 is fixedly provided with a guide rail, the second sliding table is mounted on the guide rail, the second sliding table driving device 62 can be a pneumatic cylinder or a screw driving device for driving the second sliding table to slide on the workpiece spindle mounting table, and the second sliding table can be provided with a center or a supporting frame and other structures for ensuring that both ends of the workpiece are supported when the workpiece is machined, so that machining precision is improved.
Further, as shown in fig. 22, the tool changer further comprises a second tool changer 87, wherein the second tool changer 87 comprises a second tool changer fixing seat 88 and a tool supporting assembly 83;
the second magazine fixing base 88 is fixed at one end of the workpiece spindle mounting table 60 away from the workpiece magazine, and a plurality of tool support assemblies 83 are disposed on the second magazine fixing base 88 along the Z-axis direction. According to the invention, the expansibility of the tool magazine of the machine tool can be further improved by arranging the second tool magazine, the space utilization rate and the machining efficiency are improved, and the machine tool structure is simplified. The invention is provided with the second tool magazine, so that the tool changing process can be realized only under the existing XYZ three coordinates without other auxiliary components. The grinding machine disclosed by the invention has the following steps that the machining spindle rotates in the horizontal plane to enable the axis of the machining spindle to be parallel to the X axis and the nose end of the machining spindle to face one side of the workpiece library, the ram drives the machining spindle to move upwards to a certain height so that the machining spindle and the workpiece spindle cannot interfere, the cross sliding table moves to adjust the position of the second tool library to enable a hollow tool position of the second tool library to be located below the machining spindle, the ram drives the machining spindle to move downwards, a tool on the machining spindle is inserted into the hollow tool position of the second tool library, the cross sliding table drives the second tool library to move away from the machining spindle along the X axis so that the tool is separated from the machining spindle, the cross sliding table drives the second tool library to move along the Z axis so that the tool to be replaced is adjusted to a position corresponding to the axis of the machining spindle, then the cross sliding table drives the second tool library to move along the X axis and the tool to be required to be replaced is inserted into the machining spindle, the ram drives the machining spindle to move upwards, and the tool is separated from the tool library, and automatic tool replacement is realized. In this embodiment, since the space of the second magazine is limited, the tools having no cooling assembly may be provided in the second magazine.
Further, the grinding wheel dresser 86 fixed at one side of the workpiece spindle mounting table 60 is further included, and in this embodiment, the grinding wheel dresser is disposed at one side of the workpiece spindle mounting table 60 close to the upright post, so that a tool (grinding wheel) can be conveniently dressed.
Further, the connection width of the supporting portion 301 and the ram connecting portion 300 is smaller than the width of the ram connecting portion 300, and the supporting portion 301 is fixed at one end of the ram connecting portion 300, which is close to the cross sliding table 5, so that the space below the supporting portion can be increased, the machining spindle is conveniently arranged, and interference between the machining spindle and the upright is effectively avoided.
Further, the quick-switching device also comprises a manipulator 9, wherein the manipulator 9 is fixedly connected with the side face, facing the workpiece warehouse, of the upright post 2, and the quick-switching of workpieces can be realized by arranging the manipulator 9.
It should be noted that the above embodiments are merely for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the above embodiments, it should be understood by those skilled in the art that the technical solution described in the above embodiments may be modified or some or all of the technical features may be equivalently replaced, and these modifications or substitutions do not make the essence of the corresponding technical solution deviate from the scope of the technical solution of the embodiments of the present invention.

Claims (7)

1. A small workpiece processing system, comprising:
A plurality of small-sized workpiece processing machine tools, a workpiece conveying unit and a cutter conveying unit;
the small workpiece processing machine tool comprises a base, an upright post in the Y-axis direction, a ram, a B-axis installation body, a B-axis, a main shaft installation body, a processing main shaft in the C-axis direction, a cross sliding table in the Z-axis and X-axis directions, a workpiece main shaft in the A-axis direction, a first reserved area and a second reserved area;
The stand column is arranged on the base, a guide rail is arranged on the stand column, the ram is arranged on the guide rail and moves along the Y-axis direction, one end of the B-axis installation body is fixed on the ram, the other end of the B-axis installation body is fixed with the B-axis, the B-axis installation body is fixed with the main shaft, and the main shaft installation body is fixed with the processing main shaft so that the working area of the processing main shaft is positioned below the B-axis and can swing in a horizontal plane perpendicular to the Y-axis direction;
The base is rectangular, and an included angle corresponding to one side of the upright post opposite to the end surface provided with the guide rail and one side of the upright post far away from the cross sliding table is overlapped with a base angle of the base;
The cross sliding tables of two adjacent processing machine tools are positioned in the same direction, the first reserved area is a workpiece library/tool library, and the second reserved area is a tool library/workpiece library;
The workpiece conveying unit/tool conveying unit is positioned at one side of the first reserved area, and the tool conveying unit/workpiece conveying unit is positioned at one side of the second reserved area; the workpiece conveying unit is used for conveying workpieces into the workpiece warehouse, and the cutter conveying unit is used for conveying cutters into the cutter warehouse;
when the first reserved area is a cutter library, the cutter library is a cutter sharpening library, and the cutter sharpening library comprises a cutter library sliding table, a turntable horizontal driving device, a turntable and a cutter supporting component;
The tool magazine sliding table is fixed on the base, the tool magazine sliding table is provided with the rotary table horizontal driving device and the rotary table, the rotary table horizontal driving device can drive the rotary table to move along the Z-axis direction on the tool magazine sliding table, the rotary table can rotate in a horizontal plane, a plurality of tool supporting assemblies are uniformly distributed on the rotary table in the circumferential direction, and when the rotary table is driven by the rotary table horizontal driving device to move to one side of a processing main shaft along the Z-axis direction, the rotary table can automatically replace tools with the processing main shaft;
When the second reserved area is a tool magazine, the tool magazine is a disc milling tool magazine, the disc milling tool magazine is fixed on the side wall of the upright post, the first reserved area is a workpiece magazine, the workpiece magazine comprises a workpiece magazine base, a chain type workpiece magazine support, a chain type workpiece magazine and a chain type workpiece magazine horizontal driving device, the workpiece magazine base is fixed on the base, a guide rail is arranged on one side of the workpiece magazine base, the chain type workpiece magazine support and the chain type workpiece magazine horizontal driving device are fixed on the base, the chain type workpiece magazine horizontal driving device can drive the chain type workpiece magazine to move on the guide rail along the Z axis direction, the chain type workpiece magazine is installed on the chain type workpiece magazine support, the installation direction of a workpiece in the workpiece magazine is perpendicular to the rotation plane of the workpiece in the workpiece magazine and is the same as the direction of a workpiece spindle, and the chain type workpiece magazine horizontal driving device drives the chain type workpiece magazine to move to one side of the workpiece spindle along the Z axis direction, and the chain type workpiece magazine can be automatically replaced with the workpiece spindle.
2. The small workpiece processing system of claim 1, wherein an extension of the B-axis is orthogonal to an extension of the processing spindle axis.
3. The small workpiece processing system of claim 2, wherein an extension of the B-axis is located on a nose end face of the processing spindle.
4. The small workpiece processing system according to claim 1, wherein the B-axis mounting body comprises a ram connecting portion, a supporting portion and a B-axis mounting portion, the ram connecting portion is fixedly connected with the ram, one end of the supporting portion is fixed on the ram connecting portion, the other end is located on the side of the end face of the upright column provided with the guide rail and provided with the B-axis mounting portion, and the B-axis mounting portion is provided with the B-axis;
the main shaft installation body comprises a B shaft connection part and a main shaft installation part, wherein the B shaft connection part is fixedly connected with the B shaft, and the main shaft installation part is fixedly provided with the processing main shaft so that the working area of the processing main shaft is positioned below the B shaft.
5. The small-sized workpiece processing system according to claim 4, wherein a connection width of the supporting portion and the ram connecting portion is smaller than a width of the ram connecting portion, and the supporting portion is fixed to an end of the ram connecting portion near the cross slide table.
6. The small form factor workpiece processing system as recited in claim 5, wherein,
The workpiece spindle mounting table is arranged on the cross sliding table, the workpiece spindle is arranged on the workpiece spindle mounting table, and the second tool magazine comprises a second tool magazine fixing seat and a tool supporting assembly;
The second tool magazine fixing seat is fixed at one end, far away from the workpiece magazine, of the workpiece spindle mounting table, and a plurality of tool support assemblies are arranged on the second tool magazine fixing seat along the Z-axis direction.
7. The small workpiece processing system of claim 6, wherein a manipulator is further provided on a side wall of the upright column facing the second reserved area.
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