CN1457959A - Positioning block height difference and grinding quantity measuring machine - Google Patents

Abstract

The positioning block height difference and grinding quantity measuring machine as one auxiliary production line apparatus includes bench with runner, dial gages and gage supports, measuring board, sliding block for the dial gages to be fixed, oscillating arm and oscillating arm extension bar connected to the sliding block. The measuring board and the oscillating arm constitute one T-shaped structure capable of oscillating with the oscillating arm; the oscillating arm extension bar has one semi-circular contact part in the tip; and two dial gages in the directions X and Y separately are fixed onto the bench via adjustable seats. The positioning block height difference and grinding quantity measuring machine may be made to coordinate with grinding machine to measure the positioning block height difference and the grinding quantity intuitively.

Description

Positioning block height difference and amount of grinding measuring machine

Technical field

The invention belongs to production line auxiliary equipment field, specially refer to a kind of positioning block height difference of measurement and positioning piece glass that grinder grinds awl and measuring machine of amount of grinding of being used for.

Background technology

When manufacturing color picture tube, need the device of the production control that is exclusively used in color picture tube glass bulb, glass awl.In the back manufacturing procedure that the glass awl is produced, the sealing-in of glass screen and glass awl is located with three anchor points respectively, and three anchor points of glass awl are undertaken by A, B, three locating pieces of C.If three locating piece grindings are bad, it is improper to exist the discrepancy in elevation or amount of grinding to adjust, and the locating piece height is improper, all can cause screen awl sealing-in dislocation, has a strong impact on explosion-proof performance and other important parameter of kinescope.During former glass awl is produced, known method is to adopt depth gauge rule or depthmeter to measure the height of three locating pieces respectively, again by calculating, compare the high residual quantity between three locating pieces, measuring method efficient is low like this, and low precision feeds back untimely, cause the inaccurate phenomenon of positioning block height difference to happen occasionally, cause product abandonment or grade to reduce.And the measurement of locating piece amount of grinding is to measure with the large-scale automatic gauge of a complexity at the production line end, this machine construction complexity, bulky, need high-pressure air source and power supply and computer system support, and because of grinder more, when measuring grinder accent machine amount, need to list respectively by grinding plane No. earlier, product flow to the corresponding again measurement of gauge, feedback from streamline, the accent machine, list again, measure, just can finish an accent machine cycle.Therefore, the amount of grinding adjustment exists feedback untimely equally, the time have bad product to occur, have a strong impact on the raising and the product grade of yields.At this situation, the inventor is by actual measurement, analysis and research, proposes a kind of device that the good positioning block height difference of efficient height, precision and amount of grinding are measured of measuring.

Summary of the invention

The technical issues that need to address of the present invention, be at adopting depth gauge rule or depthmeter measurements and calculations respectively in the prior art, comparing that this efficient of positioning block height difference amount is low, the old-fashioned method of low precision, for eliminating the many shortcomings that exist in the old-fashioned technology, the present invention adopts the measuring mechanism of a cover original creation, transfers the discrepancy in elevation and grinder the machine amount once to measure simultaneously dexterously.Purpose of the present invention, adopt following technical proposals to realize, a kind of positioning block height difference and amount of grinding measuring machine, comprise measuring machine platen, dial gauge and bearing thereof, amesdial and bearing thereof, up and down block, measure plate, sliding shoe, swing arm and swing arm extension bar, it is characterized in that, have the chute that moves for sliding shoe on the measuring machine platen, amesdial is fixed on the sliding shoe by the bearing of position adjustable; Swing arm and extension bar can and can be connected in the movable rotation-shaft that sliding shoe moves on the sliding shoe around its rotation by one; Measure the tee T structure that plate and swing arm formation can swing with swing arm; Swing arm extension bar top is a semi-circular contact part; Two dial gauges are fixed on the platen by adjustable seats by X, Y direction.During measurement, amesdial heads on the measurement plate, when swing arm during along shaft swing, measures the moving amesdial of strip and changes; Two dial gauges head on glass conical tube neck pipe X, Y both direction in addition.When the glass awl was measured, three locating pieces of awl headed on three positioning discs respectively.Swing arm extension bar top heads on the periphery place below the locating piece, the variation of locating piece height can cause the periphery near or away from positioning disc, thereby cause swing arm except that along chute moves, also can be according to the locating piece difference in height, sliding shoe is swung an angle relatively, amesdial detects the oscillating quantity of swing arm and shows, be exactly the discrepancy in elevation of two locating pieces of Y direction, simultaneously by the dial gauge on the adjustable seats, measure neck at X, displacement on the Y direction, be exactly the amount of grinding of locating piece, X, the difference of reading of two dial gauges of Y direction is exactly the high residual quantity of directions X locating piece with respect to Y direction locating piece.Described swing arm and extension bar center on the rotating shaft of rotation, and its center of rotation is to the distance at amesdial measurement point center, and with the distance of center of rotation to contact product place, swing arm extension bar top, the ratio of the two is 1: 10.Described swing arm and extension bar thereof can be regulated its length by scale, and dial gauge bearing and amesdial bearing position adjustable height to realize that the different model product is carried out similar measurement, reach the function of a tractor serves several purposes.

Beneficial effect of the present invention is, this positioning block height difference measuring machine volume is small and exquisite, easy to operate, can be placed on the grinder next door, can transfer positioning block height difference and grinder the machine amount once to measure simultaneously dexterously, data are directly perceived, can realize the glass awl product of different size model is measured by self regulating of this machine simultaneously, reach the function of a tractor serves several purposes.

Further specify embodiment with reference to the accompanying drawings.

Description of drawings

Locating piece present position schematic diagram on Fig. 1 a kinescope cone.

Locating piece partial schematic diagram on Fig. 1 b kinescope cone.

Fig. 2 is the vertical view of measuring machine of the present invention.

Fig. 3 is the front view of measuring machine of the present invention.

Fig. 4 is the side view of measuring machine of the present invention.

The specific embodiment

With reference to Fig. 1-3, on measuring machine platen 1, have chute 2, slide along groove for slide block 3, in slip fast 3, install and fix amesdial 4, be connected with amesdial bearing 12 thereafter, swing arm 5 and swing arm extension bar 6 are installed on this sliding shoe 3 by a movable rotation-shaft 7, swing arm can be rotated around this rotating shaft, and moves along groove 2 in company with sliding shoe, measures plate 8 and becomes T-Type structure with the swing arm body, block 9,10 is distributed in two extreme positions up and down of slide block 3 up and down, and the restriction slide block moves up and down scope; Also accompany back-moving spring 11 between last block and the measurement plate, swing arm extension bar top is a semi-circular contact part 6 ', it bores peripheral position under heading on locating piece, when the glass awl is gone up two locating piece height change unanimities of A, B, A, upper and lower moving of B locating piece place periphery while drive swing arm and sliding shoe and move up and down along chute; When two locating piece height of A, B not simultaneously, swing arm is except that along chute moves, and the discrepancy in elevation between two locating pieces of A, B can make the measurement plate 8 in the swing arm swing an angle along the relative chute center line of center line of rotating shaft 7, then can drive amesdial and move, can read high residual quantity from amesdial 4.Amesdial and the distance of measurement plate 8 contact points to the rotating shaft center, with the distance of periphery contact position, swing arm extension bar 6 tops to the rotating shaft center, the ratio of the two is 1: 10, the amesdial variable quantity is 1/10 of a high residual quantity, and therefore, amesdial should become dial gauge to use, amplify 10 times, directly read actual high residual quantity, and by the positive negative direction of amesdial indication by dial gauge, know A, B locating piece who high who is low; At this moment in conjunction with amount of grinding what, adjust A, B locating piece amount of grinding respectively, eliminate the discrepancy in elevation, guarantee that the locating piece height is suitable, the discrepancy in elevation of the relative A of C locating piece, B locating piece, be exactly the difference of directions X dial gauge 13 and Y direction dial gauge 16 these two dial gauges, two dial gauges are fixed on the platen 1 by adjustable seats 14 by X, Y direction.

Measurement about the amount of grinding of locating piece, because on the locating piece grinder, be that benchmark removes to grind locating piece with the neck tube hub, so X, the detected neck tube hub of Y both direction dial gauge variable quantity, be exactly the high variable quantity of C and A, B locating piece, i.e. amount of grinding.When the glass awl is measured, allow awl three locating piece A, B, C respectively near three positioning discs 15, locating piece is because of the amount of grinding difference, and when highly occurring just changing, the glass conical tube neck center can and then change; The zero point of having calibrated three tables with standard glass awl or metal standard component earlier before measuring, i.e. the product that grind measuring machine zero point, and then measurement grinder can be read C locating piece amount of grinding from directions X dial gauge 13; Y direction dial gauge 16 is read two locating piece amount of grinding of A, B, if there is the discrepancy in elevation in two locating pieces of A, B, amesdial 4 can be read discrepancy in elevation amount.The high residual quantity that X, Y direction dial gauge difference are read the relative A of C piece, B piece.This invention also can be by adjusting the position of positioning disc 15, the position of block 9,10 up and down, and extension bar 6 extension elongations, dial gauge and amesdial position etc. realize different model size glass awl product is measured, and reach the function of a tractor serves several purposes.

Claims (3)

1. positioning block height difference and amount of grinding measuring machine, comprise measuring machine platen, dial gauge and bearing thereof, amesdial and bearing thereof, measurement plate, sliding shoe, swing arm and swing arm extension bar, it is characterized in that, have the chute that moves for sliding shoe on the measuring machine platen, dried submeter is fixed on the sliding shoe by the bearing of position adjustable; Swing arm and extension bar can and can be connected in the movable rotation-shaft that sliding shoe moves on the sliding shoe around its rotation by one; Measure the tee T structure that plate and swing arm formation can swing with swing arm; Swing arm extension bar top is a semi-circular contact part; Two dial gauges are fixed on the platen by adjustable seats by X, Y direction.

2. measuring machine according to claim 1, described swing arm and extension bar center on the rotating shaft of rotation, its center of rotation is to amesdial and the distance of measuring plate contact point center, and with the distance of center of rotation to contact product place, swing arm extension bar top, the ratio of the two is 1: 10.

3. measuring machine according to claim 1, described swing arm and extension bar thereof can be regulated its length by scale, dial gauge bearing position adjustable height, the adjustable upper-lower position of amesdial bearing, to realize that the different model product is carried out similar measurement, reach the function of a tractor serves several purposes.

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