CN2184547Y

CN2184547Y - Secondary braking device for press emergency braking

Info

Publication number: CN2184547Y
Application number: CN 93246197
Authority: CN
Inventors: 纪金怀
Original assignee: Individual
Current assignee: Individual
Priority date: 1993-12-03
Filing date: 1993-12-03
Publication date: 1994-12-07
Anticipated expiration: 2003-12-03

Abstract

The utility model relates to a secondary braking device for press emergency braking. The operation of the press can be reached by driving a fly wheel and a coaxial combined clutching brake (original move part) through a power source. Then, the combined clutching brake passes through a crank shaft which is driven by a set of speed reducing gears (passive part) so that a punching pin which is pivoted with the crank pin make the up and down reciprocating motion. The device fixes a braking dish on the crank shaft (passive part), and the periphery of the braking dish fixes at least one oil pressure braking pump.

Description

Secondary braking device for press emergency braking

The utility model relates to a kind of be used on the stamping machine and is meant a kind of second brake gear that is used to stop in emergency especially as second brake gear of security maintenance.

Press is in the punch forming of the processing of making hardware and metalwork, can say so and use quite general facility, therefore, in the middle of the evolution of its design, remove and pursue the more effective production of high efficiency one pursuit, high energy quantizes one to be engaged in outside the raising of more large tracts of land, working depth, and the requirement of security has also become indispensable key element.Besides the employment injuries that press can cause, often all be to cut to refer to the disconnected palm, except that on limbs, cause eternal sorry, more cause employment difficulty in the future, and now in order to stop the generation of this class accident, in mechanism, take the emergency response measure, as shown in Figure 1, at first talk about from the drive mechanism of punch press, with transmission of power to flywheel 1 and coaxial combined type clutch brake 2 thereof, and drive crank axle 4 through one group of reduction gearing 3 by combined type clutch brake 2, driving punching pin 6 by crank-pin 5 at last pumps it, and when facing following situation, often need operate combined type clutch brake 2 and it is played a role and make machine brake so that stop.

One, belong to the normality shut-down operation:

1, manually shut-down operation: use when crank axle detours the operational situation of unspecified angle and die trial operation in order to inspect.

2, motion shut-down operation: make crank axle do the punching press revolution of certain continuously number of times ground, to understand the test running situation and the continuous production operation of punch press.

3, one stroke shut-down operation: each turnover stroke is ended, and punching pin will rest on top dead-centre, performs preparation of stroke next time (Stand By) or interrupted production operation.

Two, belong to the shut-down operation of improper property:

1, personal security: when punching pin 6 had begun descending stroke, operating personnel's body part was still on work top.

2, misdelivery: when continuous action, punch press and feed appliance interoperation, feed appliance is delivered to material when locating on the workbench, punching pin 6 carries out stamping press, can't or be deferred to the location but still might work as material, punching pin still carries out stamping press, at this moment certainly will cause damage to workpiece and mould.

3, operation undue (Over Run): punching pin 6 is ended at each stroke when carrying out the one stroke operation, all should suspend at top dead center, wait for that next operation signal just begins descending stroke, but often after the process use of the suitable time limit, or may wear away too much by brake, or possibility clutch brake generation stuck phenomenon, or electric system has anomaly, all have sliding (Slip) phenomenon of losing that causes crank-pin 5, making punching pin 6 slip over top dead-centre through row does not have brake and continues descending.

4, job requirements: put on the workbench as hand-held tool or other unnecessary apparatus, and punching pin 6 also is bound to workpiece and mould are caused damage when still carrying out punching press.

At this moment, the above-mentioned back four kinds of situations of all genus, all be that press emergency operation combined type clutch brake 2 made clutch part be divided into disengaged position in the past, and its brake of interlock (figure does not show) is stopped and is stopped, but the device of this combined type clutch brake 2, using, be to make former moving portion and all operating powers of operand (inertia) lean on the friction effect of brake, consumed energy is to reach the brake purpose, but the moment of torsion that its brake provides is unsuitable excessive, if moment of torsion is crossed senior general and is made contact-making surface between each transmission component, in moment load high, so the abrasion of transmission component will make each assembly shorten service life.But it is big if the too small then braking distance of braking torque becomes relatively, the startup, the brake that add the general use of this kind press again are quite frequent, the size of this kind brake moment of torsion must be rationally in when design, so braking distance (angle) often can't reach the moment dead situation of stopping.Its deficiency in the sky is earlier arranged in operation, and just braking distance is long, action is sensitive inadequately, although has sent the instruction of stopping in emergency, and can not car be checked.

Main purpose of the present utility model is to provide a kind of second brake gear of the usefulness of stopping in emergency, and directly crank axle (operand) is produced the effect of stopping and stopping, so can effectively shorten braking distance.

Second brake gear that promptly stops usefulness of the present utility model, be that transmission of power with punch press is to combined type clutch brake (former moving portion), described combined type clutch brake drives crank axle (operand) through one group of reduction gearing, and drives punching pin by crank-pin and do and pump; It is characterized in that:

Stop in emergency second brake gear of usefulness of stamping machine of the present utility model is characterized in that:

It comprises a braked part and at least one brake component;

Braked part is installed on the axostylus axostyle of the crank axle that is subjected to the driving of punch press reduction gearing, and brake component is fixed on the braked part punch press bedstead on every side.

Described brake component can be an oil pressure brake pump, and described braked part can be a brake disc.

Described brake disc is a brake disc ring, and it is fixed on the spoke of gear one side.

Described brake disc can form the brake disc face at described gear both sides spoke.

Described brake component can be a brake rubber block, and described braked part is a brake disc ring, and it is fixed on the spoke of described gear one side.

Described brake rubber block one end connects a cylinder pressure, and cylinder pressure pulling brake rubber block and brake disc loop contacts are rotated to stop described gear.

Effect of the present utility model is as follows:

In sum, the disclosed structure of the utility model embodiment, be to utilize to play sharp braking action between described brake disc and oil pressure brake pump, except that described brake pump can not have the delay of time when moving at all, importantly described brake disc can in moment by locked, can eliminate the generation that punch press use to be gone up contingency completely.

Below by most preferred embodiment and accompanying drawing the utility model is elaborated, in the accompanying drawing:

Fig. 1 is a punch press transmission mechanism schematic diagram in the past.

Fig. 2 is the schematic diagram of the utility model preferred embodiment.

Fig. 3 is the schematic diagram of another preferred embodiment of the utility model.

Fig. 4 is the schematic diagram of the another preferred embodiment of the utility model.

Fig. 5 is the utility model schematic diagram of a preferred embodiment again.

Fig. 6 is the utility model brake rubber block schematic diagram of a preferred embodiment again.

At first, as shown in Figure 2, second brake gear that promptly stops usefulness of the present utility model, the structure configuration of its punch press 10 is roughly the same with existing apparatus, with transmission of power to combined type clutch brake 20, drive crank axle 40 by combined type clutch brake 20 via one group of reduction gearing 30 again, and pump, and characteristics of the present utility model are that second brake gear is made up of a braked part 70 and at least one brake component 80 by crank-pin 50 drive punching pines 60.

Described braked part 70 is brake disc in the present embodiment, so following with brake disc 70 expressions, brake disc 70 is to have suitable large diameter disk, is installed on the axostylus axostyle of crank axle 40, is selected at the same side of close reduction gearing 30 at present embodiment.

Described brake component 80 is installed in the book office of punch press bedstead 100, present embodiment is an example with the oil pressure brake pump, so following with oil pressure brake pump 80 as explanation, the brake mouth 800 of described oil pressure brake pump 80 is to become the grafting shape with brake disc 70 chow rings, the ring edge of brake disc 70 is produced the effect of disc brake.

Therefore, when the operation punch press and face foregoing after four kinds of situations, and during the disposal of need doing to stop in emergency, carry out general shut-down operation except that pressing emergency switch, make outside 20 disengagements of combined type clutch brake and the brake, described oil pressure brake pump 80 is done the action that cramping is stopped and stopped to brake disc 70 simultaneously, because the disk diameter of brake disc 70 is to design with the principle of acquisition than high pulling torque, so, stop when stopping operating when make 80 pairs of brake discs of brake pump 70 produce crampings with quite high pressure, except that the prolonging of quite sensitive at all no time of its action, importantly its intimate locked effectively stopping stops, make more aforesaid situation generation fashion can remedy or keep away and remove, this can give the credit to the effect of additional brake disc fully, and starts the opportunity of this disc brake, is just to move when preceding four described operations need, be to have optionally, not regular action, because personnel's safety is better than all, though additional disc brake can produce high pulling torque, the maintenance of personal security is had the value of its existence.

As shown in Figure 3, it is another preferred embodiment installing schematic diagram of the utility model, the element that is disposed on the punch press 10 wherein, all identical as combined type clutch brake 20, reduction gearing 30, crank axle 40, crank-pin 50, punching pin 60 with previous embodiment, but, its operation of carrying out disc brake is to be: be consolidated with a brake disc ring 71 on the spoke of described deceleration gear wheel 31, and also be equiped with at least one oil pressure brake pump 81, and the ring edge of its brake mouthful aforementioned brake disc ring 71 of 810 intrusions at the book office of punch press bedstead 100.So, in case when carrying out aforesaid emergency brake operation, except that described combined type clutch brake 20 is carried out the general brake, described oil pressure brake pump 81 will carry out stopping of disc brake to oil pressure brake disc ring 71 and stop operation moment.

As shown in Figure 4, different with aforementioned two embodiment is the setting that is there is no brake disc 70 or brake disc ring 71, but its brake disc face 72 is formed on the both sides spoke of its deceleration gear wheel 32, and also is equiped with at least one oil pressure brake pump 82 at the book office of punch press bedstead 100.So only need make brake disc face 72 on 82 pairs of deceleration gear wheel 32 spokes of oil pressure brake pump carry out the disc brake of cramping during emergency operation, just can obtain identical effectiveness with aforementioned two embodiment.

As Fig. 5, shown in 6, what they were different with aforementioned three embodiment is to be that described brake component 80 is brake rubber blocks 83, rather than oil pressure brake pump, and it is identical with second embodiment, on the spoke of described deceleration gear wheel 33, be consolidated with a brake disc ring 73, described brake rubber block 83 1 ends are to be installed in punch press bedstead 100 book offices, the other end then links with a cylinder pressure 110, and brake rubber block 83 is positioned at brake disc ring 73 outer ring surfaces top, so, when spurring brake rubber block 83 when cylinder pressure 110 withdrawals, brake rubber block 83 can tightly touch brake disc ring 73 outer ring surfaces, so by frictional force described deceleration gear wheel 33 is stopped operating, so, just can bring into play identical effect with aforementioned three embodiment.

Claims

1, a kind of stamping machine second brake gear of usefulness that stops in emergency is characterized in that:

It comprises a braked part and at least one brake component;

2, stamping machine according to claim 1 second brake gear of usefulness that stops in emergency, it is characterized in that: described brake component is an oil pressure brake pump, described braked part is a brake disc.

3, stamping machine according to claim 2 second brake gear of usefulness that stops in emergency, it is characterized in that: described brake disc is a brake disc ring, and it is fixed on the spoke of gear one side.

4, stamping machine according to claim 2 second brake gear of usefulness that stops in emergency is characterized in that: described brake disc is to form the brake disc face at described gear both sides spoke.

5, stamping machine according to claim 1 second brake gear of usefulness that stops in emergency, it is characterized in that: described brake component is a brake rubber block, and described braked part is a brake disc ring, and it is fixed on the spoke of described gear one side.

6, stamping machine according to claim 5 second brake gear of usefulness that stops in emergency is characterized in that: described brake rubber block one end connects a cylinder pressure, and cylinder pressure pulling brake rubber block and brake disc loop contacts are to stop described gear rotation.