CN209849859U

CN209849859U - Safety control system for equipment of die casting machine

Info

Publication number: CN209849859U
Application number: CN201920060271.4U
Authority: CN
Inventors: 刘创宁; 石勇; 郝静; 杨华武; 徐松
Original assignee: Chongqing Qingling Aluminum Co Ltd; Qingling Motors Group Co Ltd
Current assignee: Chongqing Qingling Aluminum Co Ltd; Qingling Motors Group Co Ltd
Priority date: 2019-01-15
Filing date: 2019-01-15
Publication date: 2019-12-27
Anticipated expiration: 2029-01-15

Abstract

The utility model provides a die casting machine equipment safety control system, the die casting machine is equipped with hydraulic system, hydraulic system is used for the drive the die casting machine, die casting machine equipment safety control system includes: the lock is used for controlling the on-off state of the contact assembly, and the key is used for controlling the on-off state of the lock, when the on-off state of the contact assembly corresponds to the on-off state of the hydraulic system. The misoperation of other outside operators is avoided, and the safety of the operators entering the die casting machine is ensured.

Description

Safety control system for equipment of die casting machine

Technical Field

The utility model relates to a die casting machine equipment field especially relates to a die casting machine equipment safety control system.

Background

At present, when equipment and a die have faults and auxiliary machine (spraying, piece taking device and the like) process adjustment is carried out in production, related personnel need to enter a casting machine to carry out corresponding maintenance and process adjustment on the equipment, the die and the auxiliary machine. Although the operation personnel carry out the pump shutdown operation and the card hanging explicit indication when entering the casting machine, other people can still start the oil pump without corresponding hardware measure protection, personal injury is caused due to misoperation (mold closing of the casting machine), serious potential safety hazards exist, and the accidents are already caused by other die-casting factories.

Disclosure of Invention

In view of the above prior art's shortcoming, the utility model aims to provide a die casting machine equipment safety control system for solve among the prior art when the operating personnel gets into in the die casting machine easily by the people maloperation switch of outside, have the problem of potential safety hazard.

In order to achieve the above and other related objects, the present invention provides a safety control system for equipment of a die casting machine, wherein the die casting machine is provided with a hydraulic system for driving the die casting machine,

die casting machine equipment safety control system includes:

the lock is used for controlling the on-off state of the contact assembly, and the key is used for controlling the on-off state of the lock, when the on-off state of the contact assembly corresponds to the on-off state of the hydraulic system.

The utility model discloses a realize like this, when the operation personnel need enter into the die-casting machine, the operation personnel rotate the lock with the key earlier, lock control contact subassembly is in the state of closing, thereby realize hydraulic system's work and stop, then the operation personnel take the key on one's body, other operation personnel's of outside maloperation has been avoided, the security of the operation personnel who enters into the die-casting machine has been guaranteed, here cooperation between key and the lock is except for traditional mechanical lock, still can be for the matching of electron secret key and electronic lock, can also cooperate other interactive ID identification modes. When the electronic key and the electronic lock are used, the electronic key and the electronic lock can be directly identified by a human face and a fingerprint, and the key is equivalently carried around.

Further, the contact assembly comprises a fixed contact and a movable contact, and the lock controls the movement of the movable contact.

Furthermore, the contact assembly further comprises a movable push rod, and the movable contact is fixed on the movable push rod.

Furthermore, the contact assembly further comprises an elastic piece, and the elastic piece tightly pushes the movable push rod towards the lock direction.

Further, the elastic member is a spring.

Furthermore, the lock is provided with a rotating head, the end face of the rotating head is provided with a protrusion and a recess, one end of the movable push rod is matched with the protrusion and the recess respectively, when the end of the movable push rod is matched with the protrusion, the movable contact is contacted with the fixed contact, and when the end of the movable push rod is matched with the recess, the movable contact is separated from the fixed contact.

Further, the activity push rod end is equipped with point portion, protruding with all be equipped with the constant head tank on the sunken, point portion with the constant head tank cooperation.

Furthermore, be equipped with the hoop groove on the terminal surface of bull head, protruding with sunken all locating the hoop inslot, the end of activity push rod inserts the hoop inslot, and works as when the bull head rotates, the activity push rod is in the hoop inslot relative motion.

Furthermore, a limiting structure is arranged on the rotary head and used for limiting the forward and reverse rotation limit displacement of the rotary head.

Further, the die casting machine is equipped with automatically controlled cabinet, the contact subassembly with the lock is all installed automatically controlled is on the cabinet.

As above, the utility model discloses a die casting machine equipment safety control system has following beneficial effect:

firstly, can effectually guarantee to get into the operating personnel's of die casting machine safety.

And secondly, the structure is simple, the transformation can be carried out on the basis of the existing equipment, and the popularization cost is low.

Thirdly, through the setting of limit structure and constant head tank, the effectual reliability that improves equipment.

Drawings

Fig. 1 shows that the utility model discloses a die casting machine equipment safety control system's hydraulic system's schematic diagram.

Fig. 2 shows the schematic diagram of the safety control system of the die casting machine equipment in the open state.

Fig. 3 shows a schematic diagram of the safety control system of the die casting machine equipment of the present invention in the off state.

Fig. 4 is a schematic view of the end face of the rotor according to the present invention.

Description of the element reference numerals

1 contact assembly

2 Lock

3 Key

11 fixed contact

12 moving contact

13 Movable push rod

14 elastic member

4 switch shell

21 swivel

211 of convex

212 recess

131 tip part

2111 locating slot

22 circumferential groove

Detailed Description

The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.

Please refer to fig. 1 to 4. It should be understood that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any structure modification, ratio relationship change or size adjustment should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the function that the present invention can produce and the purpose that the present invention can achieve. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.

In fig. 1, the specific roadmap of the hydraulic system is not the focus of the patent, and fig. 1 is only for embodying the interactive position of the control system and the hydraulic system.

In the embodiment, referring to fig. 1 to 4, the present invention provides a safety control system for a die casting machine, the die casting machine is provided with a hydraulic system, the hydraulic system is used for driving the die casting machine,

die casting machine equipment safety control system includes:

the lock comprises a contact assembly 1, a lock 2 and a key 3, wherein the lock 2 is used for controlling the on-off state of the contact assembly 1, the key 3 is used for controlling the on-off state of the lock 2, and when the on-off state of the contact assembly 1 corresponds to the on-off state of the hydraulic system.

When the operating personnel need enter into the die-casting machine, the operating personnel rotate the lock 2 with the key 3 earlier, the lock 2 control contact subassembly 1 is in the state of closing, thereby realize hydraulic system's stop of work, then the operating personnel is with the key 3 on one's body, the maloperation of other operating personnel outside has been avoided, the operating personnel's that has entered into the die-casting machine security has been guaranteed, here the cooperation between key 3 and the lock 2 except for traditional mechanical lock, can also be for the matching of electron secret key and electronic lock, can also cooperate other interactive ID identification modes. When the key is in an electronic key and electronic lock mode, the key can be directly identified in a human face and fingerprint mode, and the key is equivalent to the key 3 which is carried with a person. The following embodiments are specifically described by taking a conventional mechanical lock as an example, the electronic key and the electronic lock are similar in principle, and the details of the manner are not described below.

In this embodiment, referring to fig. 1 to 4, the contact assembly 1 includes a fixed contact 11 and a movable contact 12, and the lock 2 controls the movement of the movable contact 12.

In this embodiment, referring to fig. 1 to 4, the contact assembly 1 further includes a movable push rod 13, and the movable contact 12 is fixed on the movable push rod 13. In the illustration, when the lock 2 is turned by the key 3, the lock 2 drives the movable push rod 13 to move linearly in the axial direction, so that the movable contact 12 and the fixed contact 11 are relatively close to and relatively far from each other, and the control of the switch is realized.

In this embodiment, referring to fig. 1 to 4, the contact assembly 1 further includes an elastic member 14, and the elastic member 14 tightly pushes the movable push rod 13 toward the lock 2. Through the arrangement of the elastic part 14, the movable push rod 13 can effectively return to the original position, and the reliable operation of the switch action is ensured. In fig. 2 and 3, the elastic member 14 is fixed to a switch housing 4 at one end and abuts against a counter bore of the movable push rod 13 at the other end.

In this embodiment, referring to fig. 1 to 4, the elastic element 14 is a spring. The structure of spring is comparatively common, and simple structure is with low costs.

In this embodiment, referring to fig. 1 to 4, a rotor 21 is disposed on the lock 2, a protrusion 211 and a recess 212 are disposed on an end surface of the rotor 21, one end of the movable push rod 13 is respectively matched with the protrusion 211 and the recess 212, when the end of the movable push rod 13 is matched with the protrusion 211, the movable contact is contacted with the fixed contact 11, and when the end of the movable push rod 13 is matched with the recess 212, the movable contact is separated from the fixed contact 11. By the arrangement of the protrusion 211 and the recess 212, the rotational movement of the lock 2 is converted into a linear axial movement of the movable push rod 13.

In this embodiment, referring to fig. 1 to 4, a tip 131 is disposed at the end of the movable push rod 13, positioning slots 2111 are disposed on the protrusion 211 and the recess 212, and the tip 131 is matched with the positioning slots 2111. Through the arrangement of the positioning slot 2111, the movable push rod 13 can extend into the positioning slot 2111 when reaching the corresponding position, so that the movable contact 12 and the fixed contact 11 can be kept in a corresponding state and can be completely moved in place, the reliability is improved, and particularly when the elastic element 14 is arranged, the movable push rod 13 is pushed into the positioning slot 2111 under the action of the elastic element 14.

In this embodiment, referring to fig. 1 to 4, an annular groove 22 is formed on an end surface of the rotor 21, the protrusion 211 and the recess 212 are both disposed in the annular groove 22, a tail end of the movable push rod 13 is inserted into the annular groove 22, and when the rotor 21 rotates, the movable push rod 13 moves relatively in the annular groove 22. The circumferential groove 22 can effectively guide the movable push rod 13, so that the end of the movable push rod 13 can be respectively matched with the protrusion 211 and the recess 212 in the opening and closing states.

Preferably, the transition between the protrusion 211 and the bottom of the recess 212 and the annular groove 22 is an arc structure, that is, the depth of the annular groove 22 changes gradually, so that the resistance between the end of the movable push rod 13 and the bottom of the annular groove is reduced, and the jamming is avoided.

In this embodiment, referring to fig. 1 to 4, a limiting structure is disposed on the rotary head 21, and the limiting structure is used for limiting the forward and reverse rotation limit displacements of the rotary head 21. The limit structure can be a limit rod, and then the limit can be realized by arranging a corresponding boss on the inner wall of the switch shell 4. Through the spacing to the bull stick 21, avoid the bull stick 21 to rotate the displacement too big, cause the damage to activity push rod 13, lead to the switch action to appear the error.

In this embodiment, referring to fig. 1 to 4, the die casting machine is provided with an electric control cabinet, and the contact assembly 1 and the lock 2 are both mounted on the electric control cabinet. A switch housing 4 is fixed in the electric control cabinet.

The hydraulic system mainly has hydraulic pump drive, so contact subassembly 1 control the switch of hydraulic pump can, the switch realization mode of concrete hydraulic pump is prior art and is not the invention point of this patent, and it is no longer repeated here.

To sum up, the utility model discloses can effectual assurance get into the operation personnel's of die casting machine safety. Simple structure can transform on current equipment basis, and the popularization cost is low. Through limit structure and constant head tank 2111's setting, the effectual reliability that improves equipment. Therefore, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value.

The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. A die casting machine equipment safety control system, the die casting machine is provided with a hydraulic system, the hydraulic system is used for driving the die casting machine, the safety control system is characterized in that,

die casting machine equipment safety control system includes:

2. The safety control system for die casting machine equipment according to claim 1, characterized in that: the contact assembly comprises a fixed contact and a movable contact, and the lock controls the movement of the movable contact.

3. The safety control system for die casting machine equipment of claim 2, wherein: the contact assembly further comprises a movable push rod, and the movable contact is fixed on the movable push rod.

4. The safety control system for die casting machine equipment of claim 3, wherein: the contact assembly further comprises an elastic piece, and the elastic piece tightly pushes the movable push rod towards the lock direction.

5. The safety control system for die casting machine equipment of claim 4, wherein: the elastic piece is a spring.

6. The safety control system for die casting machine equipment according to any one of claims 3 to 5, wherein: the lock is provided with a rotating head, the end face of the rotating head is provided with a protrusion and a recess, one end of the movable push rod is matched with the protrusion and the recess respectively, when the end of the movable push rod is matched with the protrusion, the movable contact is contacted with the fixed contact, and when the end of the movable push rod is matched with the recess, the movable contact is separated from the fixed contact.

7. The safety control system for die casting machine equipment of claim 6, wherein: the activity push rod end is equipped with point portion, protruding with all be equipped with the constant head tank on the sunken, point portion with the constant head tank cooperation.

8. The safety control system for die casting machine equipment of claim 6, wherein: the rotary head is characterized in that a circumferential groove is formed in the end face of the rotary head, the protrusion and the recess are arranged in the circumferential groove, the tail end of the movable push rod is inserted into the circumferential groove, and when the rotary head rotates, the movable push rod moves relatively in the circumferential groove.

9. The safety control system for die casting machine equipment of claim 6, wherein: the rotary head is provided with a limiting structure, and the limiting structure is used for limiting the forward and reverse rotation limit displacement of the rotary head.

10. The safety control system for die casting machine equipment according to claim 1, characterized in that: the die casting machine is equipped with automatically controlled cabinet, the contact subassembly with the lock is all installed automatically controlled is on the cabinet.