CN2232428Y

CN2232428Y - Piezoelectric vibration bunker

Info

Publication number: CN2232428Y
Application number: CN 95230256
Authority: CN
Inventors: 曲祥普; 曲英彤; 王桂兰; 鄂永禄; 万兆起; 高天敏; 王芳馥
Original assignee: Individual
Current assignee: Individual
Priority date: 1995-02-16
Filing date: 1995-02-16
Publication date: 1996-08-07
Anticipated expiration: 2005-02-16

Abstract

The utility model relates to a piezoelectric vibration bunker which belongs to an automatic transporting device of accessories. The piezoelectric vibration bunker is composed of a bucket body with an accessory transporting material path, a vibration device and a base, wherein, the vibration device comprises more than two groups of piezoelectric ceramics, a piezoelectric ceramic controller, more than two elastic elements and a buffering seat; the upper ends of the elastic elements are fixed on the bucket body, and the lower ends are fixed on the buffering seat; the piezoelectric ceramics is adhered on the elastic elements; the piezoelectric ceramic controller controls the piezoelectric ceramics to vibrate and makes the bucket body vibrate through the elastic elements, so that the accessories in the bucket body are output automatically; the vibration frequency and the amplitude of the bucket body are adjustable. The utility model is suitable for transporting metal or non-metal accessories such as bearings, batteries, all kinds of pin shafts, pads, etc. The utility model has the advantages of high transporting speed, low noise, etc.

Description

Prezoelectric vibration hopper

The utility model belongs to a kind of automatic conveying device of part.

Along with developing rapidly of product semi-automation, automated production, just seem very important as the development of the part automatic conveying equipment that improves product semi-automation, automated production.

The purpose of this utility model is to provide a kind of prezoelectric vibration hopper that is applicable to multiple kind of automatic transport and specification part.

Prezoelectric vibration hopper comprises bucket body, oscillatory system, 3 above snubber blocks and base.Be provided with part material conveying road in the bucket body, part material conveying road can be divided into helix line material road, straight thread material road etc.Oscillatory system is by piezoceramic more than 2 groups, elastic element more than 2 groups, and buffing pad and piezoceramic controller are formed.The upper end of elastic element is by being bolted on the bucket body, and its lower end is by being bolted on the buffing pad, and elastic element is made with metallic material.Elastic element has two kinds of functions.One is to cooperate with piezoceramic, under the control of piezoceramic controller, makes bucket body produce vibration regularly; Its two, be that bucket body is played supporting role.Per 1 group, promptly 2 piezoceramics are bonded on the corresponding two sides of same elastic element.Buffing pad is arranged on the base, and 3 above snubber blocks are set between buffing pad and base.The piezoceramic controller is made up of vdc regulator circuit and square-wave voltage generator circuit.The piezoceramic controller, the vibration of may command piezoceramic, oscillation frequency and amplitude are adjustable.The piezoceramic vibration drives the elastic element vibration, thereby makes the bucket body vibration, and the part in the bucket body, can be delivered in the mechanical equipment along the output of the part material conveying road in the bucket body just by the rule of setting, and carries out the processing of next process.The piezoceramic controller is fixed on the sidewall of base.

The utility model is applicable to metal and non-metal workpieces such as fed bearings, battery, radio components, various bearing pin, blade tool, pad, toothpaste and cosmetics lid, and has advantages such as delivery speed is fast, noise is low, durable in use.

Fig. 1 is a kind of structural representation of the present utility model, and Fig. 2 is a piezoceramic controller circuitry schematic diagram.Below in conjunction with accompanying drawing, the utility model is described in further detail.

Prezoelectric vibration hopper comprises bucket body 1, oscillatory system, 3 above snubber blocks 5 and base 7.Be provided with helix line material road in the bucket body 1.Oscillatory system is made up of 2 groups of piezoceramics 3,2 groups of elastic elements 2, buffing pad 6 and piezoceramic controllers.The upper end of elastic element 2 is fixed on the bucket body 1, and its lower end is fixed on the buffing pad 6.Each organizes piezoceramic 3, is made up of 2 piezoelectric ceramic pieces, and 2 piezoelectric ceramic pieces are bonded in respectively on the correspondence position on two sides of elastic element 2 (as shown in Figure 1).The piezoceramic controller output end is connected with piezoceramic.

The piezoceramic controller is made up of vdc regulator circuit, square-wave voltage generator circuit and housing 4.The direct current voltage regulator circuit is by pressure regulator T ₁(manually autotransformer), high-voltage rectifier D ₁And resistance R ₁Form.Pressure regulator T ₁Carry out the voltage adjustment with center tap, this voltage is delivered to high-voltage rectifier D ₁, by high-voltage rectifier D ₁This high-voltage rectifying is become high direct voltage.This high pressure warp and D ₁Series connected R ₁Connect the A end of electromagnet after the current limliting, and, obtain square wave at electromagnet A, B two ends by the control of the break-make of switching valve (aerotron) BG.

The square-wave voltage generator circuit is by voltage transformer T ₂, rectifier D ₂, capacitor C, resistance R ₂, adjustable resistance (potential device) W ₁, integrated circuit block IC555 (oscillator), resistance R ₃And switching valve (aerotron) BG forms.Voltage transformer T ₂Ac high-voltage is become AC low-tension, again by rectifier D ₂Be rectified into dc low-voltage+6V, this vdc is received 4 pin and 8 pin of IC555, as the working power of IC555.Between 2 pin of IC555,3 pin, meet potential device W ₁Potential device W ₁The frequency of the output square wave of control IC555 changes within 20～400HZ.Resistance R ₂Be connected between 3 pin and 4 pin of IC555, capacitor C is connected between 4 pin and 5 pin of IC555, R ₂With the effect of C, be the upper limit 400HZ of decision frequency.5 pin of IC555 are ground terminals.The square wave of the 6 pin output+10V of IC555, this end is through R ₃Current limliting is received the base stage of switching valve BG, the grounded emitter of switching valve BG, and its collecting electrode is received the B end of electromagnet.Electromagnet A termination is by D ₁The high pressure of output, this high pressure is controlled by switching valve BG the power supply of electromagnet, and A, B end is powered to electromagnet with the frequency high pressure of 20～400HZ, is used for driving the hopper vibration.

The piezoceramic controller comprises vdc regulator circuit, square-wave generator circuit and housing 4.The vdc pressure regulator is by manual autotransformer T ₁, bridge rectifier D ₁And resistance R ₁Form.The square-wave voltage producer is by voltage transformer T ₂, bridge rectifier D ₂, resistance R ₂, and R ₃, adjustable resistance (potential device) W ₁, capacitor C, integrated circuit block IC555 and switch BG form.The 220V alternating current of input is through manual autotransformer T ₁Step-down, again through bridge rectifier D ₁Rectification, and through resistance R ₁At the exportable 0～200V of mouth _DCVoltage.The 220V alternating current of input is through voltage transformer T ₂Step-down is again through bridge rectifier D ₂Rectification can obtain 6V _DCVoltage, this voltage are the power supply of integrated circuit block IC555, and the frequency of square wave is by adjustable resistance (potential device) W ₁Decision, setting range is 20HZ～400HZ.Integrated circuit block IC555 master cock BG makes at output A, B end and obtains frequency adjustable, square-wave voltage that amplitude is adjustable.This square-wave voltage is used for controlling the piezoceramic vibration, and the piezoceramic vibration drives the elastic element vibration, makes bucket body produce the vibration of certain frequency and amplitude.The electric elements of piezoceramic controller are arranged in the housing 4, and housing 4 is fixed on the sidewall of base 7, and buffing pad 6 is arranged on the base 7, and 3 above snubber blocks 6 are set between buffing pad 6 and the base 7, and snubber block 6 is made by oil proof rubber.

Claims

1, prezoelectric vibration hopper, comprise the bucket body 1 that has part material conveying road, oscillatory system, 3 above snubber blocks 5 and base 7, it is characterized in that described oscillatory system by piezoceramic more than 2 groups more than 3,2 groups elastic element 2, buffing pad 6 and piezoceramic controller form; The upper end of elastic element 2 is fixed on the bucket body 1, and its lower end is fixed on the buffing pad 6; Each organizes piezoceramic 3, is made up of 2 piezoelectric ceramic pieces, and 2 piezoelectric ceramic pieces are bonded in respectively on the opposite position on two sides of elastic element 2; The piezoceramic controller comprises vdc regulator circuit, square-wave generator circuit and housing 4; The electric elements of piezoceramic controller are arranged in the housing 4, and housing 4 is fixed on the sidewall of base 7.

2, prezoelectric vibration hopper according to claim 1 is characterized in that described direct current voltage regulator circuit, by pressure regulator T ₁, high-voltage rectifier D ₁And resistance R ₁Form D ₁Mouth series connection R ₁The back is connected with electromagnet A end; Described square-wave voltage generator circuit is by voltage transformer T ₂, rectifier D ₂, capacitor C, resistance R ₂And R ₃, adjustable resistance W ₁, integrated circuit block IC555 and switching valve BG form D ₂4 pin and 8 pin of output termination IC555, W ₁Be connected between 2 pin and 3 pin of IC555 R ₂Be connected between 3 pin and 4 pin of IC555, C is connected between 4 pin and 5 pin of IC555, the 5 pin ground connection of IC555, and 6 pin of IC555 are through current-limiting resistance R ₃Connect the base stage of switching valve BG, the grounded emitter of switching valve BG, collecting electrode is received the B end of electromagnet.