CN213469364U

CN213469364U - Safety protection device of mechanical stamping die

Info

Publication number: CN213469364U
Application number: CN202022059011.0U
Authority: CN
Inventors: 郝登华
Original assignee: Shanghai Chuangbiao Mould Industry Co ltd
Current assignee: Shanghai Chuangbiao Mould Industry Co ltd
Priority date: 2020-09-18
Filing date: 2020-09-18
Publication date: 2021-06-18
Anticipated expiration: 2030-09-18

Abstract

The utility model discloses a safety protection device of a mechanical stamping die, which comprises a stamping machine, wherein a fixed die and a movable die are arranged on the stamping machine, an insulating layer is arranged on the lower surface of the fixed die, a plurality of protection mechanisms are arranged on the upper surface of the fixed die, one side of the movable die is communicated with a power supply, one side of the fixed die is provided with a current sensor, the safety protection device of the mechanical stamping die controls the operation of the protection mechanisms by arranging the power supply to be matched with the current sensor, when the stamping machine drives the movable die to press down, once the movable die is contacted with a human body, the current sensor senses the abnormal change of current by utilizing the characteristics of different electrical properties of the human body and metal, thereby preventing the movable die from pressing down a user, preventing the movable die from moving for a certain distance under the action of inertia after the stamping machine stops, and improving the, and the safety protection effect is ensured.

Description

Safety protection device of mechanical stamping die

Technical Field

The utility model belongs to the technical field of mechanical stamping die, concretely relates to mechanical stamping die's safety device.

Background

At present, when a large special-shaped product mold is designed, due to the fact that a boss, a concave bag, a bending and the like exist in a product, the existing design scheme adopts a pressing, punching, forming and cutting mode, and a stamping mold is special technological equipment for processing a material (metal or nonmetal) into a part (or a semi-finished product) in cold stamping processing, and is called as a cold stamping mold (commonly called as a cold stamping die); stamping is a press working method in which a die mounted on a press is used to apply pressure to a material at room temperature to cause separation or plastic deformation of the material, thereby obtaining a desired part. .

If the grant bulletin number is CN207414174U discloses a stamping die mechanical type safety device, it detects outside condition and transmission data through setting up photoelectric sensing ware, inductive probe, photoelectric device and transmission mouth, do not in time stretch out when detecting operating personnel's hand, stamping die can cut off the power supply stop work at once, guarantee operating personnel's personal safety, but current partial stamping die, only carry out the punching press to the subregion of product, when punching press to this kind of product, photoelectric sensing ware, inductive probe can continuously sense the foreign matter, lead to this kind of protector to be difficult to use, for this reason, we propose a mechanical stamping die's safety device.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a mechanical stamping die's safety device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the punching machine is provided with a fixed die and a movable die, the lower surface of the fixed die is provided with an insulating layer, the upper surface of the fixed die is provided with a plurality of protection mechanisms, one side of the movable die is communicated with a power supply, and one side of the fixed die is provided with a current sensor;

protection machanism includes bracing piece, wedge slider and electric putter, the spout of vertical setting and the groove of stepping down that the level set up are seted up to the upper surface of cover half, electric putter and the inner wall fixed connection in groove of stepping down, wedge slider and electric putter fixed connection, bracing piece and spout sliding connection, the inclined plane that matches with the wedge slider is seted up to the lower extreme of bracing piece, and the lower extreme and the wedge slider counterbalance setting of bracing piece, current sensor has the controller through wire electric connection, and the controller passes through wire and electric putter electric connection.

Preferably, a safety seat is arranged on one side of the punching machine, and the safety seat is made of metal.

Preferably, the voltage of the power supply is not more than 36V, and the current of the power supply is not more than 10 mA.

Preferably, a plurality of clamping grooves are formed in the upper surface of the wedge-shaped sliding block, and a plurality of clamping blocks matched with the clamping grooves are fixedly connected to the lower end of the supporting rod.

Preferably, the lateral wall fixedly connected with guide bar of cover half, the lateral wall fixedly connected with of movable mould and the round cover that the guide bar matches, guide bar and round cover are the metal material.

Preferably, the controller is electrically connected with the punching machine through a lead.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the utility model discloses in, through setting up power cooperation current sensor, when the punching machine drives the movable mould and pushes down, in case movable mould and human contact utilize the human characteristic different with the electrical property of metal, make current sensor sense the unusual change of electric current to control protection machanism operation avoids the movable mould to weigh the user, and supporting mechanism can effectively block the movable mould, avoids the punching machine to shut down the back movable mould and still moves one section distance under inertial effect, improves the safety protection level, guarantees the safety protection effect.

(2) The utility model discloses in, through setting up electric putter cooperation wedge slider, can utilize the wedge slider to drive the bracing piece and remove to the lower extreme inner wall that makes the groove of stepping down undertakes the impact force of partial movable mould, when driving the bracing piece fast and rise, improves the support intensity of bracing piece, realizes effective protection to operating personnel.

Drawings

Fig. 1 is a schematic view of the structure of the present invention;

FIG. 2 is a schematic view of the fixed mold structure of the present invention;

fig. 3 is an enlarged schematic view of a portion a in fig. 2.

In the figure: 1. a punch press; 2. fixing a mold; 3. moving the mold; 4. an insulating layer; 5. a power source; 6. a current sensor; 7. a support bar; 8. a wedge-shaped slider; 9. an electric push rod; 10. a chute; 11. a yielding groove; 12. a controller; 13. a safety seat; 14. a card slot; 15. a clamping block; 16. a guide bar; 17. and (4) round sleeve.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a safety protection device for a mechanical stamping die, which comprises: the stamping machine comprises a stamping machine 1, wherein a safety seat 13 is arranged on one side of the stamping machine 1, the safety seat 13 is made of metal, on one hand, an operator can work more comfortably by arranging the safety seat 13, on the other hand, the human body is ensured to be kept in a conduction state with the ground, so that the human body can achieve an electric shock condition when a dangerous case occurs, a power supply 5 is ensured to be matched with a current sensor 6 to sense current change, a fixed die 2 and a movable die 3 are arranged on the stamping machine 1, a guide rod 16 is fixedly connected to the side wall of the fixed die 2, a round sleeve 17 matched with the guide rod 16 is fixedly connected to the side wall of the movable die 3, and by arranging the guide rod 16 to be matched with the round sleeve 17, on the one hand, the stability of the fixed die 2 and the movable die 3 during operation can be improved, the stamping precision, the guide rod 16 and the round sleeve 17 are made of metal materials, the insulating layer 4 is arranged on the lower surface of the fixed die 2, the current can be prevented from being directly guided to the ground through the punching machine 1 by arranging the insulating layer 4, the upper surface of the guide die 2 is provided with a plurality of protection mechanisms, one side of the movable die 3 is communicated with the power supply 5, the voltage of the power supply 5 is not more than 36V, the current of the power supply 5 is not more than 10mA, the current and the voltage of the power supply 5 cannot exceed the safe voltage and the safe current of a human body, and one side of the fixed die 2 is provided;

the protection mechanism comprises a supporting rod 7, a wedge-shaped sliding block 8 and an electric push rod 9, a sliding groove 10 which is vertically arranged and a abdicating groove 11 which is horizontally arranged are arranged on the upper surface of the fixed die 2, the electric push rod 9 is fixedly connected with the inner wall of the abdicating groove 11, the wedge-shaped sliding block 8 is fixedly connected with the electric push rod 9, the supporting rod 7 is in sliding connection with the sliding groove 10, the lower end of the supporting rod 7 is provided with an inclined plane which is matched with the wedge-shaped sliding block 8, the lower end of the supporting rod 7 is abutted against the wedge-shaped sliding block 8, the upper surface of the wedge-shaped sliding block 8 is provided with a plurality of clamping grooves 14, the lower end of the supporting rod 7 is fixedly connected with a plurality of clamping blocks 15 which are matched with the clamping grooves 14, the supporting rod 7 can be prevented from driving the wedge-shaped sliding block 8 to move after being stressed by arranging the, the controller 12 is electrically connected to the emergency stop switch of the press 1 through a wire, and can control the emergency stop of the press 1 when the current sensor 6 senses an abnormal change in current.

The utility model discloses a theory of operation and use flow: when the safety protection device of the mechanical stamping die is used, after a power supply 5 is switched on, current flows to the fixed die 2 through the movable die 3 and then flows to the current sensor 6 to form a loop, then in the process of stamping production, when the movable die 3 is in a downward movement stroke, if the limbs of an operator do not leave between the movable die 3 and the fixed die 2 in time at the moment, after the movable die 3 moves downward and is in contact with the limbs of the operator, the current on the electrified movable die 3 is grounded through a human body, the current sensor 6 senses the current change at the moment, then a signal is sent to the controller 12, the controller 12 controls the electric push rod 9 to extend out, the wedge-shaped slide block 8 moves towards the supporting rod 7 and drives the supporting rod 7 to extend out upwards, so that even if the movable die 3 continues to move downward under the action of inertia, the movable die 3 can be supported by the supporting rod 7, thereby avoiding the damage of the used limbs, having better protection effect and realizing safer protection effect.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a safety device of mechanical stamping die, includes punching machine (1), its characterized in that: a fixed die (2) and a movable die (3) are arranged on the punching machine (1), an insulating layer (4) is arranged on the lower surface of the fixed die (2), a plurality of protective mechanisms are arranged on the upper surface of the fixed die (2), one side of the movable die (3) is communicated with a power supply (5), and one side of the fixed die (2) is provided with a current sensor (6);

protection machanism includes bracing piece (7), wedge slider (8) and electric putter (9), the upper surface of cover half (2) is seted up the spout (10) of vertical setting and the groove of stepping down (11) that the level set up, the inner wall fixed connection of groove (11) of stepping down (9) and electric putter, wedge slider (8) and electric putter (9) fixed connection, bracing piece (7) and spout (10) sliding connection, the inclined plane of matcing with wedge slider (8) is seted up to the lower extreme of bracing piece (7), and the lower extreme of bracing piece (7) offsets with wedge slider (8) and sets up, current sensor (6) have controller (12) through wire electric connection, and controller (12) pass through wire and electric putter (9) electric connection.

2. The safety protection device of the mechanical stamping die according to claim 1, characterized in that: a safety seat (13) is arranged on one side of the punching machine (1), and the safety seat (13) is made of metal.

3. The safety protection device of the mechanical stamping die according to claim 1, characterized in that: the voltage of the power supply (5) is not more than 36V, and the current of the power supply (5) is not more than 10 mA.

4. The safety protection device of the mechanical stamping die according to claim 1, characterized in that: a plurality of clamping grooves (14) are formed in the upper surface of the wedge-shaped sliding block (8), and a plurality of clamping blocks (15) matched with the clamping grooves (14) are fixedly connected to the lower end of the supporting rod (7).

5. The safety protection device of the mechanical stamping die according to claim 1, characterized in that: the side wall fixedly connected with guide bar (16) of cover half (2), the side wall fixedly connected with of movable mould (3) is circle cover (17) with guide bar (16) matching, guide bar (16) and circle cover (17) are the metal material.

6. The safety protection device of the mechanical stamping die according to claim 1, characterized in that: the controller (12) is electrically connected with the punch (1) through a lead.