CN2558953Y - Cartridge primer depth detector - Google Patents

Abstract

The utility model relates to a depth tester of primer percussion of bullets, which comprises a speed regulating motor, a slewing feed mechanism, a goods rejection mechanism, an electromagnetic testing mechanism of standard position and an intelligent control device of the primer percussion depth of bullets. The speed regulating motor is fixed on a working platform. The electromagnetic testing mechanism of standard position is fixed under the working platform by a bracket of the testing mechanism and corresponds to the position of a bullet feeding hole of a feed tray. The rejection mechanism is arranged under the working platform and is connected with a rejection door by a lever mechanism. Rejected electromagnets and standard positioned electromagnets are connected with an output port of a single chip of the intelligent control device by a solid-state relay. A displacement sensor is connected with an analog-to-digital converter of a controller by a level change plate. The utility model has correct and reliable position, high-precision measurement, and functions of automatic zero correction, automatic station memory, automatic goods rejection and real-time dynamic display of running parameters, etc.

Description

Bullet primers depth detection machine

Affiliated technical field

The utility model belongs to automatic detection range.

Background technology

In bullet was produced, the quality testing of the bullet primers degree of depth did not still have Special Equipment, adopted mechanical transfer lever amplification detection mechanism at present on the production line, because mechanical link is many, it is many to influence the measurement factor, precision check and correction difficulty.Two kinds of methods at the bottom of push rod top shell case oral area or the interior bullet are adopted in detection reference location, all have bullet at the bottom of the positioning reference plane positioning pressure inhomogeneous, clamping reliability is poor, the accuracy of detection poor repeatability, reference field is easy to wear, easily to causing problem such as damage at the bottom of shell case or the igniter cap.In addition, this method is that qualitative detection is judged, can't provide and detect error band and detect data, is difficult to production status is analyzed and defect is repaired, and therefore can only carry out the station Rough Inspection, can not carry out high-speed production in enormous quantities and detect automatically and quality control.

Summary of the invention

Do not have Special Equipment and adopt mechanical transfer lever amplification detection mechanism can not adapt to the problem of automatic detection of high-speed production in enormous quantities and quality control at present at existing bullet primers depth detection, the utility model provides a kind of bullet primers depth detection machine of suitable production in enormous quantities, can carry out the reliable and high-precision automatic detection of double stable mass to the quality of production that bullet is produced line pressure fire in a stove before fuel is added operation, and reject automatically and exceed the defect shell case of setting bound.

The utility model is made up of buncher, rotation feed mechanism, goods rejection mechanism, electromagnetism benchmark positioning detection mechanism and bullet primers degree of depth intelligence controlling device.Buncher is fixed in equipment support chassis, is connected with the final drive shaft that is installed on the support centre position by chain; Workbench is welded on the support, workbench is fixed in rotation material loading, goods rejection mechanism, band charging tray main shaft by collar bush with screw retention in the workbench middle part, main shaft and collar bush are connected, the band charging tray is installed on the main shaft, the stepping ratchet is installed on workbench band charging tray one side by eccentric wheel, and final drive shaft is connected with feed mechanism with belt by belt pulley, and is connected in stepping ratchet eccentric wheel with gear shaft by fan type gear.Electromagnetism benchmark positioning detection mechanism is made up of benchmark positioning electromagnet, measuring staff and displacement transducer, benchmark positioning electromagnet and displacement transducer by screw retention in testing agency's support, testing agency's support shoots the hole site by screw retention in workbench below corresponding band charging tray, and displacement transducer heads into the electromagnet center pit to measuring staff.Reject electromagnet and be installed in the workbench below, link to each other with the rejecting door by leverage by screw.Bullet primers degree of depth intelligence controlling device: form by optoelectronic switch, LCD, analog to digital converter, single-chip microcomputer, data-carrier store, programmable logic chip, solid-state relay, power supply etc.LCD, analog to digital converter, data-carrier store, programmable logic chip directly are connected with single-chip microcomputer the corresponding interface, the optoelectronic switch positioning disk is inboard in final drive shaft right leather belt wheel by screw retention, optoelectronic switch is fixed in support by support, and link to each other with the single-chip microcomputer input interface with photoisolator by lead, reject electromagnet and benchmark positioning electromagnet and be connected to the single-chip microcomputer output interface by solid-state relay.Displacement transducer links to each other with analog to digital converter in the controller by the level conversion plate.

The utility model has two kinds of duties: measure running status and parameter modification and Zero calibration state automatically.After the equipment energising, at first enter automatic measurement running status, electric motor starting can enter operate as normal.Revising under parameter and the Zero calibration state, finish the setting of technology bound and the demarcation at zero point by button.This equipment, is driven automatic charging and rotor banding charging tray mechanism and rotates as the total output source by buncher, and drives stepping ratchet and the dish motion of optoelectronic switch position.Wait to look into shell case and send into the mouth of unloading goods through the left-right rotation feed mechanism, the shell case rotor banding charging tray sky of packing into automatically shoots in the hole, the stepping under the effect of stepping ratchet of rotor banding charging tray is rotated, after one-chip computer is received startup measuring-signal from optoelectronic switch, the work of benchmark positioning electromagnet, attract the shell case to be measured in the rotating disk shell hole, make it be positioned the measurement standard plane, drive measuring staff simultaneously and displacement transducer moves, the relative displacement of measuring staff and index plane, reflect fire in a stove before fuel is added compression distance, intelligence controlling device is gathered two station measurement data automatically, and carries out overproof differentiation.Remember overproof station respectively, when ultra-poor products arrive the goods rejection station, controller sends the rejecting signal, makes to reject electromagnet and drive and reject the door action, with goods rejection, is certified products as detecting, and then squeezes into the certified products outlet at next station, finishes one and detects circulation.The intelligent controller panel shows detected state and detects data that state display lamp shows positioning electromagnet, goods rejection electromagnet operating state and waste product state in real time in real time.The whole service tempo can be adjusted by the electrodeless variable-speed case, owing to adopted said structure, the utility model has the advantages that:

1. adopt displacement measurement straight line transmission mechanism and high precision electromagnetic induction displacement transducer, significantly reduce mechanical transfer and amplifying element, get rid of the cumulative errors that causes by factors such as mechanical wear, parts cooperations, improved life-span and the stability of testing agency in production in enormous quantities.

2. adopt the mechanism of electromagnetism benchmark and rotor positioning combination, realized the three-dimensional zero mill sassafras benchmark location of tested bullet, thus cooperate with reference field at the bottom of the bullet tight, stressed even, accurate positioning is reliable, the repetition high conformity is for high-acruracy survey has been created good condition.Simultaneously, the measured workpiece mouth bottom of having avoided being caused by the push rod location is damaged, and has reduced the measuring basis surface wear, thereby has improved the stability of batch detection.

3. adopt the single-chip microcomputer intelligent controller, make the displacement digitizing, can set bound and running parameter easily, realized that zero point is from normal moveout correction, station is remembered automatically, waste product is rejected automatically, and functions such as equipment work parameter Real time dynamic display have characteristics such as simple to operate, easy to adjust, workable.

Description of drawings

Fig. 1 is a physical construction synoptic diagram of the present utility model;

Fig. 2 is an I position partial enlarged drawing among Fig. 1;

Fig. 3 is the utility model control device structured flowchart;

Fig. 4 is the utility model control circuit schematic diagram.

Among Fig. 1,1 handwheel, 2 main shafts left side belt wheel, 3 left V-belts, 4 hinge wheels, 5 left driven pulleys, 6 base for supporting, 7 turn left to move hopper, 8 left material conveying flexible pipes, 9 goods rejection doors, 10 left feed openings, 11 rotor banding charging trays, 12 right feed openings, 13 right material conveying flexible pipes, 14 turn right moves hopper, 15 rotor banding charging tray axles, 16 ratchets, 17 right driven pulleys, 18 rotor banding charging tray axle sleeves, 19 right V-belts, 20 conical gear, the right belt wheel of 21 main shafts, 22 transmission main shafts, 23 bush roller chains, 24 minor sprockets, 25 cycloidal planetary gear speed reducers (direct-coupled electrical machinery).

Among Fig. 2,26 benchmark positioning electromagnets, 27 measuring mechanism supports, 28 measuring staffs, 29 displacement transducers.

Among Fig. 3,26 benchmark positioning electromagnets, 29 displacement transducers, 30 single-chip microcomputers, 31 data-carrier stores, 32 LCD, 33 programmable logic chips, 34 optoelectronic switches, 35 analog to digital converters, 36 multi-way switchs, 37 solid-state relay I, 38 solid-state relay II, 39 reject electromagnet.

Among Fig. 4, after the P1.4 of single-chip microcomputer 89C52 receives start detection signal from optoelectronic switch, the P1.5 of single-chip microcomputer 89C52, P1.6 output control signal makes the work of benchmark positioning electromagnet by solid-state relay SSR, attract the shell case in the rotating disk shell hole to be positioned the measurement standard face, drive measuring staff simultaneously and displacement transducer moves, measuring staff and index plane relative displacement, reflect the fire in a stove before fuel is added degree of depth, at this moment multi-way switch CD4051 is input to A/D converter MAX191 with the displacement signal that two station sensors are measured respectively, single-chip microcomputer 89C52 is by the automatic data of gathering after the A/D conversion of 74LS244, carry out Error Calculation and overproof differentiation then, and remember overproof station, when ultra-poor products arrive the goods rejection station, the P3.4 of single-chip microcomputer 89C52, P3.5 output control signal makes the rejecting work of electromagnet of this station by solid-state relay SSR, with goods rejection.Liquid crystal display displays setup parameter and real-time detected state and the detection data of showing, programmable logic chip GAL16V8 is an address scrambler, information storage such as running parameter and station state are in data-carrier store X25045.

Embodiment

As shown in Figure 1, testing process is as follows: the cycloidal planetary gear speed reducer 25 of direct-coupled electrical machinery drives minor sprocket and rotates, and drive hinge wheel 4 through chain transmission by sleeve roller chain 23 and rotate, and then drive transmission main shaft 22 rotates.Transmission main shaft becomes two-way with power distribution: the one tunnel through the left and right belt wheel 2,21 of main shaft, drive left and right driven pulley 5,17 by the band transmission by left and right V-belt 3,19 and rotate, and then drive turns left and right hopper 7,14 rotations.Bridging dish in the rotary hopper is delivered to left and right material conveying flexible pipe 8,13 porch with shell case to be measured, shell case to be measured is by sliding to left and right feed opening 10,12 places from focusing in the left and right material conveying flexible pipe, left and right each sky of the rotor banding charging tray 11 of packing into shoots in the hole; Another road drives ratchet 16 through a pair of conical gear 20 and rotates, promote to rotate with the ratchet stepping of rotor banding charging tray 11 one, left and right each sky of the rotor banding charging tray 11 of packing into is shot shell case to be measured in the hole, deliver to station to be measured, simultaneously again the left and right next sky of rotor banding charging tray 11 is shot the hole and aim at left and right feed opening 10,12, finish materials and parts and transmit overall process.

As shown in Figure 3, Figure 4: benchmark positioning electromagnet 26 is special-purpose electromagnet, displacement transducer 29 adopts GA-2.5 high precision differential transformer displacement sensor, single-chip microcomputer 30 is 89C52, data-carrier store 31 is X25045, and LCD 32 is SED1520, and programmable logic chip 33 is GAL16V8, optoelectronic switch 34 is KT-6100, analog to digital converter 35 is MAX191, and multi-way switch 36 is CD4051, and solid- state relay 37,38 is D0522-32F.

Wait to look into shell case through a left side, turn right and move material loading hopper 7,14 deliver to left and right sides feed opening 10,12 shell cases are packed into automatically and are with material rotor dish 11 skies to shoot in the hole, after one-chip computer 30 receives startup measuring-signal from optoelectronic switch 34,26 work of benchmark positioning electromagnet, shell case is positioned the measurement standard face in the attraction rotating disk shell hole, drive measuring staff 28 simultaneously and displacement transducer 29 moves, measuring staff and index plane relative displacement, reflect the fire in a stove before fuel is added degree of depth, intelligence control system is gathered measurement data automatically through A/D converter 35, and carry out Error Calculation and overproof differentiation, and remember overproof station, when ultra-poor products arrive the goods rejection station, this station electromagnet 26 drives rejects door 9 actions, with goods rejection.The intelligent controller panel shows detected state in real time and detects data by LCD 32, state display lamp shows positioning electromagnet, goods rejection electromagnet operating state and waste product state in real time, and the storage of information such as running parameter and station state is finished by X2504531.

Claims (4)

1, a kind of bullet primers depth detection machine, it is characterized in that by support, workbench, buncher, rotate feed mechanism, goods rejection mechanism, electromagnetism benchmark positioning detection mechanism and bullet primers degree of depth intelligence controlling device are formed, workbench is fixed on the support, buncher is fixed in equipment support chassis and connects with the final drive shaft that is installed on the support centre position by chain, rotating feed mechanism is fixed on the workbench, electromagnetism benchmark positioning detection mechanism is fixed in workbench below corresponding band charging tray by testing agency's support and shoots the hole site, reject electromagnet and be installed in the workbench below, link to each other with the rejecting door by leverage, reject electromagnet and benchmark positioning electromagnet and be connected to the single-chip microcomputer output interface of intelligence controlling device by solid-state relay, displacement transducer links to each other with analog to digital converter in the controller by the level conversion plate.

2, bullet primers depth detection machine according to claim 1, it is characterized in that described rotation feed mechanism is made up of rotary hopper, band material rotor dish, band material rotor dish is fixed on the base frame by central shaft and axle sleeve, rotary hopper connects with the band material rotor dish and the goods rejection couplet on the door by defeated material flexible pipe, motor connects with transmission main shaft by infinitely variable transmission belt pulley, belt pulley, and the conical gear on the transmission main shaft connects with ratchet.

3, bullet primers depth detection machine according to claim 1, it is characterized in that described electromagnetic location testing agency is made up of electromagnet, measuring staff, sensor and sensor stand, electromagnet and sensor are individually fixed on the support, measuring staff is contained in the center pit of electromagnet, and sensor withstands on the bottom of measuring staff.

4, bullet primers depth detection machine according to claim 1, it is characterized in that described degree of depth intelligence controlling device is by optoelectronic switch, LCD, analog to digital converter, single-chip microcomputer, data-carrier store, programmable logic chip, solid-state relay, compositions such as power supply, LCD, analog to digital converter, data-carrier store, programmable logic chip directly is connected with single-chip microcomputer the corresponding interface, it is inboard that the optoelectronic switch positioning disk is fixed in final drive shaft right leather belt wheel, optoelectronic switch is fixed in support by support, and link to each other with the single-chip microcomputer input interface with photoisolator by lead, reject electromagnet and benchmark positioning electromagnet and be connected to the single-chip microcomputer output interface by solid-state relay, displacement transducer links to each other with analog to digital converter in the controller by the level conversion plate, after the equipment energising, at first enter automatic measurement running status, electric motor starting can enter operate as normal, revising under parameter and the Zero calibration state, finish the setting of technology bound and the demarcation at zero point by button, this equipment by buncher as the total output source, driving automatic charging and rotor banding charging tray mechanism rotates, and drive stepping ratchet and the dish motion of optoelectronic switch position, wait to look into shell case and send into the mouth of unloading goods through the left-right rotation feed mechanism, the shell case rotor banding charging tray sky of packing into automatically shoots in the hole, the stepping under the effect of stepping ratchet of rotor banding charging tray is rotated, after one-chip computer is received startup measuring-signal from optoelectronic switch, the work of benchmark positioning electromagnet, attract the shell case to be measured in the rotating disk shell hole, make it be positioned the measurement standard plane, drive measuring staff simultaneously and displacement transducer moves, the relative displacement of measuring staff and index plane, reflect fire in a stove before fuel is added compression distance, intelligence controlling device is gathered two station measurement data automatically, and carry out overproof differentiation, remember overproof station respectively, when ultra-poor products arrive the goods rejection station, controller sends the rejecting signal, make and reject the action of electromagnet drive rejecting door, with goods rejection, be certified products as detecting, then squeeze into the certified products outlet at next station, finish one and detect circulation, the intelligent controller panel shows detected state and detects data that state display lamp shows positioning electromagnet in real time in real time, goods rejection electromagnet operating state and waste product state.

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