Automatic adjusting and positioning method for casting fixture

A tooling fixture and automatic adjustment technology, applied to positioning devices, manufacturing tools, clamping, etc., can solve problems such as high scrap rate, low efficiency, and equipment stagnation

Inactive Publication Date: 2015-11-18
WUXI LEHUA AUTOMATION TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The accuracy of manual positioning adjustment is low, generally requires multiple operations, long adjustment time and low efficiency
[0010] 2. During the processing, when the clamping and loosening of the corner oil cylinder occurs, and the pressure detected by the pressure sensor is lower than the set value, the microcomputer controller can only give an early warning. When there is no operator on site, the equipment will automatical...

Method used

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  • Automatic adjusting and positioning method for casting fixture

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Embodiment Construction

[0031] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific preferred embodiments.

[0032] Such as figure 1 As shown, a casting fixture capable of automatically adjusting and positioning includes a PLC 5 , an air pipe 10 , a bottom plate 1 and a corner oil cylinder 3 arranged at the center of the bottom plate 1 .

[0033] The top of the corner oil cylinder 3 is provided with an automatic locking handle 4 connected with the PLC5.

[0034] The bottom periphery of the corner oil cylinder 3 is coaxially sleeved with a reference rotating disk 6 through a bearing, and the reference rotating disk 6 is fixedly connected with the base plate 1 through several automatic locking pins 61, and each automatic locking pin 61 is connected with the PLC5.

[0035] The above-mentioned reference rotary disk 6 is uniformly provided with several reference positioning blocks 7 and several first axial through holes 62 along the ci...

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Abstract

The invention discloses an automatic adjusting and positioning method for a casting fixture. The method comprises the following steps: mounting the casting fixture; primarily clamping a casting; detecting the primary clamping in place of the casting; jacking the casting; rotating a reference positioning block: enabling a turning and reversing motor to reverse to drive a reference rotating disk and the reference positioning block on the reference rotating disk to rotate; clamping the casting again; detecting the second clamping in place of the casting. According to the method, a pressure sensor can detect whether the casting is clamped in place or not; if not, a PLC automatically locks a handle and unlocks an automatic locking pin according to instructions. The turning and reversing motor turns, a jacking circular table can jack a casting to be accurately positioned; then, the turning and reversing motor reverses, the reference rotating disk is driven to rotate for a certain angle; then the turning and reversing motor continues to turn, and the jacking circular table declines, so that the casting and the reference positioning block are positioned again.

Description

technical field [0001] The invention relates to an auxiliary method for casting production, in particular to an automatic adjustment and positioning method for casting fixtures. Background technique [0002] Casting tooling has the following installation and positioning methods: [0003] 1. Shoulder fixing: the fixing method adopted by the through-hole sleeve. Press the insert with the boss at the bottom into the cover plate, and then press the movable mold support plate or the fixed mold seat plate and the cover plate tightly with screws. If the insert size is too large, you can also set reinforcement screws in the middle. Usually, circular inserts have bosses all around, and non-circular inserts only need to be provided with some bosses, large inserts have bosses on both sides, and small inserts have bosses on one side. For circular and direction requirements, anti-rotation pins are also required to prevent misalignment. This fixing method is generally suitable for die...

Claims

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Application Information

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IPC IPC(8): B23Q3/06B23Q17/22
CPCB23Q3/082B23Q17/2291
Inventor 钱国东
Owner WUXI LEHUA AUTOMATION TECH
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