CN217251953U - Debris cleaning device - Google Patents

Abstract

The utility model provides a scrap cleaning device, which is used for cleaning scraps produced by punching a die and comprises a scrap passage pipe, a vacuum suction device arranged on the scrap passage pipe and an air pipe used for leading in a compressed air source; the air tube is in communication with the vacuum aspirator and the debris passage tube such that when the vacuum aspirator creates a negative pressure in the debris passage tube, air at the inlet of the debris passage tube and debris flow with the source of compressed air in the air tube to the outlet of the debris passage tube. The utility model discloses a set up piece passageway pipe, vacuum getter device and be used for leading-in compressed air source's trachea, utilize the venturi principle to realize clastic clearance. The whole device has the advantages of simple gas circuit structure, easy practical application, difficult damage and long service life; in addition, the compressed air source is accurately controlled to be on and off through the electromagnetic valve, fragments are absorbed and concentrated, and the fragments are not easy to scatter, so that the offline cleaning work can be reduced.

Description

Debris cleaning device

Technical Field

The utility model relates to a piece cleaning device belongs to the technical field that pressure manufacturing technology equipped.

Background

In the manufacturing field, various stamping technologies of dies cannot be separated, particularly in automobile manufacturing, the mass production of the dies improves the automobile production efficiency, but the die stamping is difficult to avoid the generation of impurities such as scraps. In the current market, the difficulty in chip process treatment of the trimming position of the die is high, most host factories still rely on the experience of a die bench worker to study and prepare the gap of the cutting edge and adjust the tool edge bite, so that the chip problem is reduced. And the scrap blowing device is also used for blowing scrap generated by stamping part of the die, blown airflow is directly opposite to the lower die waste material cutter through the air blowing device, the scrap is cleaned, and the air inlet time of the air pipe is controlled through the angle of the sliding block by the air blowing device. The blowing device not only has a complex gas circuit structure, but also is easy to cause fragments to fly, increases the offline cleaning work, reduces the working efficiency, and increases the labor and financial cost.

In view of the above, there is a need for a new debris cleaning device to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a piece cleaning device through design simple structure's gas circuit device structure to improve work efficiency, reduce the cost of manpower and financial resources.

In order to achieve the purpose, the utility model provides a scrap cleaning device, which is used for cleaning the scrap generated by the stamping of a die, and comprises a scrap passage pipe, a vacuum suction device arranged on the scrap passage pipe and an air pipe used for leading in a compressed air source; the air tube is in communication with the vacuum aspirator and the debris passage tube such that when the vacuum aspirator creates a negative pressure within the debris passage tube, air and debris at the inlet of the debris passage tube flow with the source of compressed air in the air tube to the outlet of the debris passage tube.

As a further improvement of the present invention, the chip cleaning device further comprises a press for generating the compressed air source, the press being connected to the air pipe so that the compressed air source is transmitted into the chip passage pipe through the air pipe and drives the vacuum suction device.

As a further improvement of the present invention, the air pipe includes an inlet and an outlet, the inlet is connected to the press, the outlet is connected to the chip passage pipe, and the compressed air source enters from the inlet and then enters from the outlet into the chip passage pipe.

As a further improvement of the present invention, the vacuum suction device includes a vacuum generator for generating a negative pressure in the debris passage pipe, and sucking the air outside the debris passage pipe and the debris into the debris passage pipe.

As a further improvement of the present invention, the debris cleaning device further comprises a solenoid valve, the solenoid valve is installed on the air pipe for controlling the opening or closing of the compressed air source.

As a further improvement of the utility model, the chip passage pipe comprises an inlet end for chips to enter and an outlet end for discharging the chips, and the inlet end is fixedly installed on the mold.

As a further improvement of the utility model, entrance point fixed mounting is 5 ~ 10mm below apart from the edge of a knife of mould punching press.

As a further improvement of the present invention, the debris cleaning device further comprises a pipe buckle, the pipe buckle is used for connecting the vacuum suction device with the debris passage pipe fixed connection.

As a further improvement of the present invention, the chip passage pipe is a corrugated pipe.

As a further improvement of the utility model, the trachea is a PU trachea.

The utility model has the advantages that: the utility model discloses a piece cleaning device through setting up piece passageway pipe, vacuum getter device and being used for leading-in compressed air source's trachea, utilizes the venturi principle to realize clastic clearance. The whole device has the advantages of simple gas circuit structure, easy practical application, difficult damage and long service life; in addition, the compressed air source is accurately controlled to be on and off through the electromagnetic valve, fragments are absorbed and concentrated, and the fragments are not easy to scatter, so that the offline cleaning work can be reduced.

Drawings

Fig. 1 is a schematic structural view of the debris cleaning apparatus of the present invention.

Fig. 2 is a schematic structural diagram of a preferred embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1, the present invention discloses a chip cleaning device for cleaning chips generated by punching a die, which comprises a chip passage tube 10, a vacuum suction device 11 and an air tube 12 for leading a compressed air source. The vacuum suction device 11 is installed on the debris passage tube 10, and the air tube 12 is communicated with the vacuum suction device 11 and the debris passage tube 10. Specifically, the vacuum suction device 1110 is fixedly connected to the debris passage tube 10 by the pipe clamp 13, and the air pipe 12 is connected to the vacuum suction device 11 and also to the debris passage tube 10. So configured, not only can the compressed air source be introduced into the vacuum suction device 11 through the air pipe 12 to provide driving power for the vacuum suction device 11, but also a portion of the compressed air source can be introduced into the debris passage pipe 10 to increase the air flow rate in the debris passage pipe 10.

The utility model discloses still including the press 14 that is used for producing compressed air source, press 14 communicates with each other with trachea 12 and is connected, and compressed air source transmits to in piece passageway pipe 10 through trachea 12 to drive vacuum getter device 11. Further, a solenoid valve 15 for controlling the opening or closing of the compressed air source is installed in the debris cleaning apparatus. The electromagnetic valve 15 is installed on the air pipe 12 beside the press 14, and the opening or closing of the compressed air source is realized by combining the electromagnetic valve 15 with a PLC control system inside the press 14, so that the compressed air source generated by the press 14 can be accurately controlled to be on or off in the air pipe 12.

When the whole chip cleaning device is started, the compressed air source is turned on, the vacuum suction device 1111 generates negative pressure in the chip passage tube 10, and the air and chips at the inlet of the chip passage tube 10 flow to the outlet of the chip passage tube 10 along with the compressed air source in the air tube 12, thereby achieving the effect of cleaning the chips. That is to say, using the venturi principle, i.e. when the gas flows inside the venturi tube, at the narrowest point of the duct, the dynamic pressure reaches a maximum and the static pressure reaches a minimum, the velocity of the gas rising as the flow cross-sectional area decreases. The entire surge is subjected to the pipe constriction at the same time and the pressure is reduced at the same time, creating a pressure differential that is used to measure or provide an external suction to the fluid. The inside of the debris passage tube 10 and the outer periphery of the debris passage tube 10 form a venturi effect, and at this time, the debris passage tube 10 is a narrow tube for flowing gas, and the flowing gas flows into the debris passage tube 10 with a narrow through-flow cross-sectional area from the outer periphery of the debris passage tube 10 with a wide through-flow cross-sectional area, so that the flow speed of the gas is increased, the whole inrush current needs to enter the debris passage tube 10 at the same time, the pressure is reduced at the same time, and a pressure difference is generated, so that the suction force for air around the outer periphery of the debris passage tube 10 and debris is increased, and the debris is sucked into the debris passage tube 10 together with the surrounding air under the action of gravity.

Will use below the utility model discloses use at fender headlight closed angle mould 1 punching press deburring of car as an example, right the utility model discloses a theory of operation and process carry out detailed description.

As shown in fig. 2, the chip passage tube 10 of the present invention is preferably a corrugated tube 10 ', the air tube 12 leading to the compressed air source is preferably a PU air tube 12', although the chip passage tube 10 and the air tube 12 may be of other types as long as the requirement of changing the flow path of the chips and the requirement of leading to the compressed air source can be satisfied, which is not limited herein.

The PU gas pipe 12 ' includes an inlet port 121 and an outlet port 122, the inlet port 121 is connected to the press 14, the outlet port 122 is connected to the bellows 10 ', and a compressed gas source enters from the inlet port 121 and then enters the bellows 10 ' from the outlet port 122. The vacuum suction device 11 of the debris cleaning device of the present invention includes a vacuum generator for generating a negative pressure in the bellows 10 ' to suck the air and debris around the bellows 10 ' into the bellows 10 '. The corrugated pipe 10' comprises an inlet end 101 for entering the debris and an outlet end 102 for discharging the debris, the inlet end 101 is fixedly mounted on the fender headlamp sharp angle mold 1, namely, the inlet end is fixed on a lower mold body of the fender headlamp sharp angle mold 1, the outlet end 102 is an open outlet end 102, namely, a movable outlet end 102, the arrangement is such that the whole debris cleaning device cannot perform stamping movement along with the mold, and the movable outlet end 102 can be adjusted according to the effect of actually absorbing the cleaning debris. Of course, the outlet end 102 of the bellows 10' may be stationary, i.e., the point at which the debris to be cleaned is collected is stationary, and not so limited.

The utility model discloses an entrance point 101 fixed mounting of bellows 10' is 5 ~ 10mm in the edge of a knife below apart from 1 punching press of fender headlight closed angle mould, installs near the lower mould deburring sword (piece produces the position) of fender headlight closed angle mould 1 promptly. Before trimming of the sharp corner mold 1 of the fender headlamp, a compressed air source is started firstly, namely the compressed air source is started through an electronic valve, and then trimming of a lower mold is started. At this time, the compressor 14 generates a compressed air source, which is introduced into the vacuum suction device 11 and the bellows 10 ' through the PU air pipe 12 ', a portion of the compressed air source drives the vacuum generator to operate, so as to generate a negative pressure in the bellows 10 ', the vacuum suction device 11 realizes an air flow in the bellows 10 ' through the venturi effect, a vacuum degree is generated in the inlet of the bellows 10 ', so that the ambient air and the debris outside the bellows 10 ' are sucked into the bellows 10 ' from the inlet 101, at the same time, a part of the compressed air will enter the bellows 10 ' from the discharge port 122 of the PU air tube 12 ', and the sucked air and the debris will flow together with the compressed air, increasing the flow rate of the bellows 10 ', thereby timely sucking and processing the scraps at the periphery of the trimming knife, and the sucked scraps are discharged from the outlet end 102 of the corrugated pipe 10' along with the air flow under the action of gravity. After the trimming of the lower die is finished, the whole chip cleaning device can stop working after the compressed air source is closed through the electromagnetic valve 15.

In summary, the debris cleaning is achieved by the venturi principle by providing the debris passage tube 10, the vacuum suction device 11 and the air tube 12 for introducing the compressed air source. The whole device has the advantages of simple gas circuit structure, easy practical application, difficult damage and long service life; in addition, the compressed air source is accurately controlled to be switched on and switched off through the electromagnetic valve 15, the chips are absorbed and concentrated and are not easy to scatter, the chips are directly discharged into the waste pit through the chip channel pipe 10, and the chips do not need to be cleaned after the die is used, so that the offline cleaning work can be reduced.

The above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced equivalently without departing from the spirit and scope of the technical solutions of the present invention.

Claims (10)

1. A chip cleaning device for cleaning chips generated by punching of a die is characterized in that: the debris cleaning device comprises a debris passage tube, a vacuum suction device arranged on the debris passage tube and an air tube used for leading in a compressed air source; the air tube is in communication with the vacuum aspirator and the debris passage tube such that when the vacuum aspirator creates a negative pressure within the debris passage tube, air and debris at the inlet of the debris passage tube flow with the source of compressed air in the air tube to the outlet of the debris passage tube.

2. The debris cleaning apparatus of claim 1, wherein: the chip cleaning device also comprises a press used for generating the compressed air source, and the press is connected with the air pipe so as to facilitate the compressed air source to be transmitted into the chip channel pipe through the air pipe and drive the vacuum suction device.

3. The debris cleaning apparatus of claim 2, wherein: the air pipe comprises an inlet and an outlet, the inlet is connected with the press, the outlet is connected with the chip passage pipe, and the compressed air source enters from the inlet and then enters from the outlet.

4. The debris cleaning apparatus of claim 1, wherein: the vacuum suction device includes a vacuum generator for generating a negative pressure in the debris passage tube to draw air outside the debris passage tube and debris into the debris passage tube.

5. A debris cleaning device as claimed in claim 1, wherein: the debris cleaning device further comprises a solenoid valve mounted on the air tube for controlling the opening or closing of the compressed air source.

6. A debris cleaning device as claimed in claim 1, wherein: the debris passage tube includes an inlet end for entry of debris and an outlet end for discharge of debris, the inlet end being fixedly mounted on the mould.

7. The debris cleaning apparatus of claim 6, wherein: the inlet end is fixedly arranged at a position 5-10 mm away from the lower part of a knife edge stamped by the die.

8. The debris cleaning apparatus of claim 1, wherein: the debris cleaning device further comprises a conduit clip for fixedly connecting the vacuum suction device with the debris passage tube.

9. A debris cleaning device as claimed in claim 1, wherein: the debris passage tube is a corrugated tube.

10. The debris cleaning apparatus of claim 1, wherein: the trachea is a PU trachea.

Images