CN87214921U

CN87214921U - Automatic datemark machine

Info

Publication number: CN87214921U
Application number: CN 87214921
Authority: CN
Inventors: 倪悦来
Original assignee: SHANGHAI POSTAL SERVICE MACHINERY FACTORY
Current assignee: SHANGHAI POSTAL SERVICE MACHINERY FACTORY
Priority date: 1987-10-31
Filing date: 1987-10-31
Publication date: 1988-09-07

Abstract

The utility model discloses an automatic seal-affixing machine used for the operation in mail and service department or other commercial departments, etc. The utility model comprises a main drive circuit and a control circuit used to control the on-off of the main drive circuit; the main drive circuit comprises a bilateral silicon control, a direct-current electromagnetic coil, etc., and the control circuit comprises an electrooptical switch circuit, a signal reshaping circuit, a triggering circuit, a power delay circuit and a counting circuit. The utility model overcomes the defects that in an original main circuit, an alternating-current electromagnetic drive coil is adopted, directly making that a contact switch is operated in the condition of 'strong electric', so the permitting continuous work time of a signing machine is short, and the sealing operation is not handy, etc. The utility model has the advantages that the seal-affixing machine has the function of counting, etc.

Description

Automatic datemark machine

The utility model relates to automatic stamping machine, relates in particular to automatic postmark machine.

In postal service, have and a kind ofly need carry out cancelling the stamp on the mail, thereby especially in medium and small mail service department, need a kind of easy automatic date machine of little shape or automatic stamping machine, this class date machine that in the past used is affixed one's seal automatically as manual control, promptly affixing one's seal once needs operating personnel to push switch No. one time, this not only makes operation easily not free, can not get ensureing with the quality of affixing one's seal, and make the function of affixing one's seal allow the time of continuous operation very short, the main cause that produces above these problems is as the switch control that drives main circuit, also promptly whenever finish the operation of once affixing one's seal, manual control or the feel of placing one's entire reliance upon control, thereby make the operation of affixing one's seal easily free and can not guarantee the quality of affixing one's seal, in addition, owing in order to adapt to manual control or to have to adopt the very short contact switch of a kind of stroke with the needs of the frequent push switch of hand, and this switch is again to work under the condition of so-called " forceful electric power ", thereby makes the function of affixing one's seal allow the time of continuous operation not long.

Therefore the utility model is exactly to come automatic stamping machine that the switching manipulation that drives main circuit is controlled in order to overcome control circuit that the cited various shortcomings of the above-mentioned machine of affixing one's seal are proposed a kind of adopt light-electric switch, make operation easily for reaching, the quality of affixing one's seal is protected and makes the purpose of the time phenomenal growth that allows continuous operation.

Comprise a band direct solenoid driven coil according to automatic stamping machine of the present utility model, and the main circuit that comprises the DC circuit of bidirectional triode thyristor, this main circuit obtains power supply from common low pressure industrial frequency AC electrical network, this main circuit also is with a control circuit, is used for the switching manipulation of main circuit is controlled, and this control circuit comprises one light-electric switch circuit, one signal transformation circuit, one circuits for triggering, a power delay circuit, light-electric switch circuit is by its light-electric switch pipe T ₃Be connected with signal transformation circuit, circuits for triggering are from the signal transformation circuit input signal, and generation signal output, circuits for triggering are connected with the power delay circuit by an isolating device, the power delay circuit comprises a midget relay, the a pair of contact of this midget relay is inserted in the control circuit of the bidirectional triode thyristor in the main circuit, in addition, the control circuit of above-mentioned main circuit also comprises a counting circuit, it is from the circuits for triggering input signal, and the number of times of affixing one's seal counted, in addition, the above-mentioned machine of affixing one's seal also comprises the electromagnet parts that drive with above-mentioned d-c solenoid, and assembles all-in-one-piece stamp parts with the electromagnet parts, and the frame of the above-mentioned machine of affixing one's seal.

Followingly the utility model machine of affixing one's seal is further elaborated with reference to drawings and Examples.

Fig. 1 schematically illustrates the utility model affix one's seal the driving main circuit and the control circuit thereof of machine.

Fig. 2 schematically illustrates rack-mounted the utility model affix one's seal drive coil parts, electromagnet parts and the stamp parts of machine.

Now referring to Fig. 1, I is band direct solenoid driven coil DCT, the driving main circuit that comprises the employing diode bridge type rectification circuit of bidirectional triode thyristor SCR, II is the voltage-stabilized power supply circuit to the control circuit power supply of main circuit, it inserts in the low pressure industrial frequency AC electrical network jointly by AC transformer B and main circuit, and obtain powering, IV is light-electric switch circuit, it is connected with the signal transformation circuit IX by light-electric switch pipe T, the circuits for triggering X is from the signal transformation circuit input signal, and producing signal output, it is by an isolating device, transistor T ₄Be connected with power delay circuit XI, the a pair of contact j of midget relay J in the power delay circuit XI is inserted in the control circuit of the bidirectional triode thyristor SCR in the main circuit, in addition, above-mentioned control circuit also comprises the counting circuit XII, it is from circuits for triggering X input signal CP, thereby the number of times of affixing one's seal is counted.

In the control circuit of the bidirectional triode thyristor SCR that drives the main circuit I, comprise variable potentiometer R ₁₆, by continuously changing variable potentiometer R ₁₆Resistance value, can change the conducting degree of depth of bidirectional triode thyristor SCR, thereby reach the active force of affixing one's seal that can regulate the stamp parts that drive by solenoid DCT continuously.

The voltage V that is provided by the voltage-stabilized power supply circuit II is provided the control circuit that drives main circuit _DDV _SSBetween.

Light-establish circuit by cable comprises infraluminescence pipe T ₁With can receive T ₁The phototriode T of the infrared light that sends ₂, and by T ₂Output signal switch driven pipe T ₃Form, by the pulse signal figure of light-electric switch circuit output shown in this figure top left hand oscillogram partly, by T ₃The signal of output is through multistage phase inverter (1) shaping, the waveform of the pulse signal that obtains is shown in the oscillogram of part in the middle of this figure top, directly enter No. 4 pins of trigger W by the signal of shaping circuit IX output, No. 6 pin output signal Cp of slave flipflop W enter No. 12 pins of counting circuit and trigger W simultaneously, the signal of drawing by No. 10 pins of trigger W again after two-stage phase inverter (1) shaping and the signal graph of output shown in the oscillogram on this right side, figure top, then through isolating device, transistor T ₄Ingoing power delay circuit XI, here, signal is through time-delay, and by power tube T ₅Effect make midget relay action, make a pair of contact j action in the control circuit that inserts bidirectional triode thyristor, thereby finish the action of once affixing one's seal.

Find out thus, when mail or other object that need affix one's seal cover photosensitive tube T ₁, make switch transistor T ₃Generation signal input guarantees to finish the action of once affixing one's seal through the effect of thereafter a series of circuit then.Here, the delay time of power delay circuit can be regulated, be for adaptation affix one's seal machine affix one's seal the action needs, reach the purpose that makes the machine coordination.Therefore, when once ' shading ' action of every generation, can guarantee to affix one's seal once, this need to keep the machine of the affixing one's seal comparison with the hand push switch with original in the process of affixing one's seal once, can guarantee undoubtedly to affix one's seal like clockwork.

In addition, because the contact as the midget relay of the switch of main circuit I control is to work under the condition of so-called " light current ", therefore make the utility model machine of affixing one's seal allow the time of continuous operation to be eight hours, and to the original machine of affixing one's seal, it allows only about one hour of the time of continuous operation.

In addition, adopt the automatic stamping machine of light-electric control, make the light freedom of operation of affixing one's seal undoubtedly, in light-electric switch circuit, also insert change-over switch K ₃, can and manually control between automatic sealing and change at light-electric control automatic sealing.When the machine of affixing one's seal is in manual control automatic sealing state, hand switch K ₂Though be equivalent to the hand switch of original automatic stamping machine, because the effect of a series of circuit thereafter, the action of guaranteeing equally to affix one's seal is accurate, and need not to keep in the process of once affixing one's seal the pressed state to switch.

In addition, in the counting circuit XII, K switch ₄Has effect to counter O reset.

In a word, adopt the utility model automatic stamping machine, can obtain and making the light freedom of operation of affixing one's seal, the action of guaranteeing to affix one's seal is accurate, and allows long etc. effect of time of its continuous operation.

Now referring to Fig. 2,2 is the direct solenoid driven coil, it is installed on the housing 9 by coil rack and iron core 3 etc., T font electromagnet 1 can slide in iron core 3, and stamp parts 5 are assembled into one by rod member 4 and electromagnet 1, between suction iron 1 and stamp parts 5 back-moving spring is set, 6 is ink reservoir, when the stamp parts are descending, by link component 7 ink reservoir is removed and be finished the action of affixing one's seal, 9 of housings are fixed on the frame 8.

In addition, the utility model seal-affixing machine can not only be applicable to the cancelling of postal service department, also can be applicable to the occasion that other business departments such as commerce or finance need to repeat to affix one's seal.

Claims

1, a kind of machine of affixing one's seal that drives with solenoid, it comprises the band drive coil, and the main circuit that obtains powering from low pressure industrial frequency AC electrical network usually, electromagnet parts by this solenoid driving, the stamp parts that assembling fuses with this electromagnet parts and the frame of the described machine of affixing one's seal, it is characterized in that above-mentioned main circuit is for having d-c solenoid, and the DC circuit that comprises bidirectional triode thyristor, this main circuit also has a control circuit, this control circuit comprises a light one electric switch circuit, one signal transformation circuit, one circuits for triggering, one power delay circuit, light one electric switch circuit is connected with signal transformation circuit by its light one electric switch pipe, and circuits for triggering are from the signal transformation circuit input signal, and generation signal output, circuits for triggering are connected with the power delay circuit by an isolating device, and the power delay circuit comprises a midget relay, in the control circuit of the bidirectional triode thyristor of a pair of contact access main circuit of this midget relay.

2, the machine of affixing one's seal according to claim 1 is characterized in that the control circuit of described bidirectional triode thyristor comprises variable potentiometer, and by regulating the resistance value of this variable potentiometer, to electromagnetic attraction, just the power of affixing one's seal is carried out step-less adjustment.

3, the machine of affixing one's seal according to claim 1 is characterized in that the control circuit of described main circuit also comprises a counting circuit, and it is from above-mentioned circuits for triggering input signal, and number of times is counted to affixing one's seal.

4, the machine of affixing one's seal according to claim 1 is characterized in that in the control circuit of above-mentioned main circuit change-over switch being set, thereby operating between light-electric control automatic sealing and manual automatic sealing of the described machine of affixing one's seal changed.