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Tool magazine device for fixed beam-type gantry multi-spindle machine tool, machine tool and tool change method

A multi-spindle and machine tool technology, applied in positioning devices, metal processing machinery parts, clamping, etc., can solve problems such as space conflicts, narrow spacing, and complex structures

Pending Publication Date: 2019-03-15
全准数控设备(苏州)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] 1. The tool magazine device of the prior art adopts the tool magazine (cutter head storage bin) combined with the tool changing mechanism and the tool changing manipulator to form an inseparable combined module, which is installed on the machine tool in one piece, and the tool magazine and tool changing need to be considered in the design The matching degree between the mechanism and the tool changing manipulator is complicated in structure and large in size. When it is applied to a small multi-spindle machine tool or installed at the bottom of the spindle beam, it is difficult to accommodate a huge tool magazine device.
[0011] 2. For machine tools with multi-spindle structure, the installation space of the tool magazine is limited, and there is obvious space conflict and interference with other functional kinematic mechanisms, especially when the tool change mechanism and the tool change manipulator are installed on the lower part of the spindle beam, there will be obvious interference with the spindle processing interference, the tool magazine is not separated from the machine tool gantry or the machining spindle, so that when the tool head is taken and placed from the tool magazine, it will interfere with the machining spindle or the processing table and the workpiece on the processing table
[0012] 3. Compact multi-spindle, narrow spindle center distance, obvious limitation of tool magazine capacity, it is difficult to meet the implementation of more tool processing technology, and the further reduction of the distance between adjacent spindles is hindered
[0013] 4. In order to pursue a certain aspect of performance, the tool magazine is placed in an unreasonable position, and the installation space of the tool magazine is limited. The tool magazine is polluted by cutting fluid and cutting, which affects the life and stability of the machine tool and reduces the machining accuracy of the machine tool.
[0014] 5. The structure of the existing tool magazine is complicated, the efficiency of tool change is low, the cost is high, and the economy is poor, which seriously affects the improvement of production efficiency

Method used

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  • Tool magazine device for fixed beam-type gantry multi-spindle machine tool, machine tool and tool change method
  • Tool magazine device for fixed beam-type gantry multi-spindle machine tool, machine tool and tool change method
  • Tool magazine device for fixed beam-type gantry multi-spindle machine tool, machine tool and tool change method

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Experimental program
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Effect test

Embodiment 1

[0076] The embodiment of the present invention provides a fixed-beam type gantry multi-spindle machine tool. The machine tool gantry of the fixed-beam type gantry machine tool is fixed, and the spindle moves on the fixed-beam type gantry to cooperate with the movable workbench to complete the processing, which is different from the moving beam type structure or other non- Fixed beam structure, this embodiment is limited to the introduction of fixed beam structure, combined with Figure 1 to Figure 6 As shown, it includes: machine bed 1, on which a fixed-beam machine tool gantry 2 is arranged, and the front side of the machine tool gantry 2 is equipped with a multi-spindle 3 that can move along the left and right directions and up and down directions of the machine tool. The main shaft refers to that the number of main shafts is greater than one, that is, more than two main shafts are called multi-spindles. Longitudinal driving motor 34 cooperates with the drive of the screw as...

Embodiment 2

[0099] This embodiment is an improvement made in the above-mentioned embodiment 1, specifically: the arrangement of multiple cutter head mounts in the matrix tool magazine is: the cutter head mounts are arranged along the left and right directions, and each spindle corresponds to more than two cutters The head mounting seat forms a row-type tool magazine; the tool holders in the tool holder group are arranged along the left and right directions, and every two tool holders correspond to a main shaft; the tool change drive module includes a drive to enable the tool holder to move horizontally relative to the tool holder to achieve The tool holder selects the first horizontal driving assembly of the cutter head mounting seat in the left and right direction and the first vertical driving assembly for driving the tool holder to move up and down relative to the cutter head mounting seat or the main shaft to realize the insertion and removal of the cutter head of the tool holder.

[0...

Embodiment 3

[0105] Compared with the above-mentioned embodiment 1, this embodiment makes changes to the arrangement of the tool head mounting seats in the tool magazine and the arrangement of the tool holders in the tool holder group. Such as Figure 7 , Figure 8 shown.

[0106] The arrangement of multiple cutter head mounts 521 in the matrix tool magazine is as follows: the cutter head mounts 521 are arranged along the front and rear directions, and each spindle 3 corresponds to at least one row of cutter head mounts 521, and the number of cutter head mounts 521 in each row is 2 More than 4 tool magazines are formed, for example, 4 spindles correspond to at least 4 rows of tool head mounting seats (in each embodiment, it is defined as: horizontal rows and vertical columns); every two tool holders in the tool holder group 530 respectively in a row corresponding to one spindle 3; if 4 spindles correspond to 4 rows of cutter head mounting seats, the number of cutter head mounting seats i...

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Abstract

The invention discloses a tool magazine device for a fixed beam-type gantry multi-spindle machine tool, a machine tool and a tool change method, and the device comprises a tool magazine bracket, a matrix tool magazine, a tool holder group, a tool change mechanism and a longitudinal rail. The invention adopts a tool magazine arranged in the upper rear part of a machine tool gantry, and sets the tool magazine as a matrix tool magazine corresponding to multiple spindles, fully utilizing the rear space of the machine tool, and the number of tool bits will not be limited. The tool change mechanismis separated from the tool magazine. The tool magazine is located at the upper rear part of the machine tool gantry so that the tool magazine can not affect the normal operation of the spindles or other components. The tool change mechanism can share the same rail with the existing longitudinal processing table of the machine tool and can further cooperate with the tool magazine to realize the tool change without affecting the work of the processing table, thus realizing the miniaturized and compact tool magazine structure. The invention is beneficial to multi-spindle machine tools, and further breaks the tool magazine space design limitation caused by the small spacing between multiple spindles.

Description

technical field [0001] The invention relates to the technical field of numerical control machine tool equipment, in particular to a tool magazine device for a fixed-beam type gantry multi-spindle machine tool, a machine tool and a tool changing method. Background technique [0002] At present, for the machining of batches of small precision parts such as 3C products (Computer, Communication and Consumer Electronics), multi-spindle CNC machine tools are generally used, and the processing of multi-spindle CNC machine tools is widely used. The efficiency is several times that of traditional single-spindle CNC machine tools. [0003] In the multi-spindle field, mainly based on fixed-beam type gantry machine tools, as in the disclosed machine tool of CN 205201152U, a plurality of spindle-driven processing heads (also called cutter heads) are arranged side by side on the crossbeam slide table, and many A processing head performs CNC processing on multiple blank workpieces on the ...

Claims

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Application Information

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IPC IPC(8): B23Q3/155
CPCB23Q3/155B23Q3/15526B23Q3/15786B23Q2039/006
Inventor 张灿涛
Owner 全准数控设备(苏州)有限公司
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