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Bamboo hat-type tool magazine tool changer and control method thereof

A hat-style tool magazine and tool changing device technology, applied in positioning devices, manufacturing tools, clamping, etc., can solve the problems of poor stability and reliability, insufficient positioning accuracy, complicated operation, etc., and achieve good reliability and structure. Simple and stable effect

Inactive Publication Date: 2017-06-13
LUSHAN COLLEGE OF GUANGXI UNIV OF SCI & TECH +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the stepper motor is used to control the rotation of the tool magazine, although the precision is high and the debugging is convenient, the operation is more complicated, the price is relatively high, its stability and reliability are poor, and the control signal of the stepper motor is easily interfered by the outside world. It is easy to accumulate errors, so the positioning accuracy is not high enough

Method used

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  • Bamboo hat-type tool magazine tool changer and control method thereof
  • Bamboo hat-type tool magazine tool changer and control method thereof
  • Bamboo hat-type tool magazine tool changer and control method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0046] figure 1 Disclosed in is a bucket hat type tool magazine tool change device, including a cutter head 1, a cutter head rotation drive device 2, and eight tool holders 3, and the eight tool holders 3 are evenly distributed on the circumference of the cutter head 1, The cutterhead 1 is connected to the cutterhead rotation drive device 2 through the cutterhead hub 4, the cutterhead rotation drive device 2 includes a ratchet 21, and a ratchet push lock mechanism 22, and the ratchet 21 is connected through the cutterhead hub 4, the connecting shaft 7 is connected with the cutter head 1, and the number of ratchets of the ratchet wheel 21 is the same as that of the knife holder 3; the ratchet wheel pushes the locking mechanism 22 to include a drive cylinder 221, a piston connecting rod 222, a ratchet wheel pushing mechanism 223 and a ratchet wheel locking mechanism 224, Piston connecting rod 222 is connected with the output end of the piston of drive cylinder 221, and piston co...

Embodiment 2

[0056] A control method for a tool changing device of a bucket hat type tool magazine. The method is that the CNC system of a machine tool first sends a signal to PLC6 to change a certain tool position according to the processing program, and PLC6 controls the electromagnetic reversing valve 5 after receiving the control signal. And control the continuous expansion and contraction of the piston of the driving cylinder 221, so that the ratchet 2231 continuously promotes the rotation of the ratchet 21, and when it turns to the knife position point, it triggers the proximity switch installed on the knife position point, and the proximity switch feeds back the trigger signal to PLC6, which PLC6 immediately stops supplying power to the electromagnetic reversing valve 5, the piston of the drive cylinder 221 is pushed back to the initial position by the return spring 225, and at the same time locks the sheave indexing plate 2241 through the locking block 2242, thereby realizing locking...

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Abstract

The invention discloses a bamboo hat-type tool magazine tool changer and a control method thereof and relates to a tool changer and a control method thereof. The tool changer comprises a cutter head, a cutter head rotating drive device and a plurality of tool posts, wherein the cutter head rotating drive device comprises a ratchet wheel and a ratchet wheel pushing and locking mechanism; the ratchet wheel is connected with the cutter head through a cutter head hub; the ratchet wheel pushing and locking mechanism comprises a drive cylinder, a piston connecting rod, a ratchet wheel pushing mechanism and a ratchet wheel locking mechanism; the piston connecting rod is connected with the ratchet wheel pushing mechanism and the ratchet wheel locking mechanism separately; and the ratchet wheel pushing mechanism and the ratchet wheel locking mechanism are connected with the ratchet wheel separately. According to the method, a PLC controls a drive cylinder piston to continuously expand and contract through an electromagnetic directional valve, a pawl continuously pushes the ratchet wheel to rotate to achieve tool changing, and meanwhile, a sheave dividing plate is locked through a locking block to achieve locking of the cutter head, so that the whole tool changing process is completed. The bamboo hat-type tool magazine tool changer has the characteristics of being high in locating accuracy, good in stability, good in reliability, simple in structure, convenient to maintain, low in cost and simple in method, and is easy to popularize and use.

Description

technical field [0001] The invention relates to a tool changing device and a control method thereof, in particular to a hat-type tool magazine tool changing device and a control method thereof. Background technique [0002] The reliability of the tool magazine and the speed of tool change determine the machining efficiency of the machining center, because a complex part, especially when there are many screw holes, requires frequent tool changes. If the tool is changed manually, the efficiency will be greatly reduced. With the help of high-efficiency tool magazine automatic tool change, you can get twice the result with half the effort. The hat-type tool magazine is a tool-changing assembly commonly used in machining centers. The hat-type tool magazine can generally store 8 to 24 tools. Its structure is mainly composed of stepping motors, drums, indexing plates, and grooved wheel mechanisms. . Although the stepping motor is used to control the rotation of the tool magazine,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23Q3/155
CPCB23Q3/15526
Inventor 农胜隆高尚晗潘宇倩张莹
Owner LUSHAN COLLEGE OF GUANGXI UNIV OF SCI & TECH
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