CN112517766A

CN112517766A - Uniform quick-cooling type stamping die

Info

Publication number: CN112517766A
Application number: CN202011370712.4A
Authority: CN
Inventors: 张永立
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-30
Filing date: 2020-11-30
Publication date: 2021-03-19

Abstract

The invention discloses a uniform and rapid cooling type stamping die which comprises an upper die base, a lower die base, a male die and a female die, wherein a hydraulic cylinder is fixedly connected to the top of the male die, the top of the hydraulic cylinder is fixedly connected with the upper die base, a liquid cavity is formed in the lower die base, the liquid cavity is annularly arranged on the outer side of the female die, a sleeve is connected to the side wall of the liquid cavity in an attaching mode, the sleeve is rotatably connected with the liquid cavity, a gear is fixedly connected to the bottom of the sleeve, the gear is arranged in a cavity formed in the lower portion of the sleeve, a supporting rod is fixedly connected in the cavity, and a rack is sleeved outside the supporting rod in a sliding connection mode and. Has the advantages that: the processing workpiece in the female die is uniformly and quickly cooled, the natural air cooling time is shortened, and meanwhile, the outer wall of the lower die holder is cooled under the combined action of the guide vanes and the radiating vanes, so that scalding is avoided.

Description

Uniform quick-cooling type stamping die

Technical Field

The invention relates to the technical field of dies, in particular to a uniform and quick-cooling type stamping die.

Background

The stamping is a forming method in which a press and a die are used to apply external force to a plate, a strip, a pipe, a profile, etc. to cause plastic deformation or separation, thereby obtaining a workpiece (stamped part) of a desired shape and size. Stamping and forging are plastic working (or called pressure working), and are called forging and pressing. The stamped blanks are mainly hot and cold rolled steel sheets and strips.

When the stamping die is used, the surface temperature of a processed material is rapidly increased due to the adoption of press forming and the application of larger pressure, and in the prior art, a workpiece needs to be naturally cooled after stamping to influence the processing progress.

Disclosure of Invention

The invention aims to solve the problem that a workpiece is cooled for a long time after stamping operation in the prior art, and provides a uniform quick-cooling stamping die.

In order to achieve the purpose, the invention adopts the following technical scheme: a uniform and rapid cooling type stamping die comprises an upper die base, a lower die base, a male die and a female die, wherein a hydraulic cylinder is fixedly connected to the top of the male die, the top of the hydraulic cylinder is fixedly connected with the upper die base, a liquid cavity is formed in the lower die base, the liquid cavity is annularly arranged on the outer side of the female die, a sleeve is connected to the side wall of the liquid cavity in an attaching mode, the sleeve is rotatably connected with the liquid cavity, a gear is fixedly connected to the bottom of the sleeve, the gear is arranged in a cavity formed below the sleeve, a supporting rod is fixedly connected in the cavity, a rack is sleeved outside the supporting rod in a sliding connection mode, and the rack is meshed;

telescopic bottom center runs through and is equipped with communicating pipe, the top of communicating pipe and the inner wall fixed connection of sap cavity, the both sides of symmetry communicating pipe are equipped with a connector that does not communicate each other respectively, sealing connection has opposite direction's check valve in the connector respectively, communicating pipe runs through the diapire of die holder and outside part communicates through first branch pipe and second branch pipe respectively jointly and is equipped with the liquid reserve tank, the bottom center intercommunication of first branch pipe and liquid reserve tank, the top lateral wall intercommunication of second branch pipe and liquid reserve tank.

In the uniform rapid cooling type stamping die, one end of the supporting rod is fixedly connected with an electromagnet, one end of the rack, which is close to the electromagnet, is provided with a magnetic layer which is opposite to the same pole of the electromagnet, the electromagnet is electrically connected with a photoresistor, and a flash lamp is arranged in the cavity.

In the even quick cold type stamping die of above-mentioned, the bottom fixedly connected with of die leads the pressure layer, lead the pressure layer and adopt piezoelectric material and be connected with the flash light electricity, be equipped with guide vane in the second branch pipe, guide vane's centre of rotation fixedly connected with pivot and the sealed lateral wall that runs through the second branch pipe of pivot, the pivot is at the partial fixedly connected with radiator vane in the second branch pipe outside.

Compared with the prior art, the invention has the advantages that:

1. in the invention, in the stamping process, an evaporating liquid is filled in a liquid cavity arranged in the lower die holder, the cooling effect on the workpiece is realized through the evaporation and heat absorption process of the evaporating liquid in the heating process, and the uniform cooling effect is realized through the rotation effect of the sleeve;

2. when the electromagnetic switch is used, the pressure conducting layer made of the piezoelectric material is arranged at the bottom of the female die, and can generate current to the flash lamp when being pressed, so that the flash lamp outputs periodic current to the photoresistor, the electromagnet is intermittently electrified, and the rack can move back and forth;

3. the rack reciprocates to drive the gear to rotate forwards and backwards periodically, so that the sleeve stirs the liquid in the sleeve, the liquid is kept at uniform temperature all the time, the uniform cooling effect is realized in the cooling process, after the liquid reaches the boiling point, the gasified gas enters the liquid storage tank through the communicating pipe, the liquid level of the liquid storage tank is raised, and the liquid on the upper side of the liquid storage tank is input into the cavity from the second branch pipe on the other side;

4. in the liquid circulation process, on one hand, the liquid in the cavity is always kept in a low-temperature state, on the other hand, the liquid flows into the liquid storage tank after being heated and evaporated and can be cooled in the liquid storage tank and reused in subsequent processing, and therefore cooling media are saved;

5. set up guide vane in the second branch pipe, when liquid got into the cavity in the liquid reserve tank, can make guide vane rotate at the action of gravity through the second branch pipe, and guide vane's rotation will make the radiator vane in the outside rotate to make the outside of die holder dispel the heat by the forced air cooling, realize inside and outside radiating effect simultaneously.

Drawings

Fig. 1 is a schematic structural diagram of a uniform rapid cooling type stamping die according to the present invention;

FIG. 2 is an enlarged schematic view of part A of a uniform rapid cooling stamping die according to the present invention;

FIG. 3 is an enlarged schematic view of part B of a uniform rapid cooling stamping die according to the present invention

In the figure: the device comprises an upper die holder 1, a lower die holder 2, a male die 3, a female die 4, a hydraulic cylinder 5, a liquid cavity 6, a sleeve 7, a gear 8, a cavity 9, a support rod 10, a rack 11, a communicating pipe 12, a connector 13, a first branch pipe 141, a second branch pipe 142, a liquid storage tank 15, an electromagnet 16, a flash lamp 17, a pressure guide layer 18, a guide vane 19 and a heat dissipation vane 20.

Detailed Description

The following examples are for illustrative purposes only and are not intended to limit the scope of the present invention.

Examples

Referring to fig. 1-3, a uniform and rapid cooling type stamping die comprises an upper die holder 1, a lower die holder 2, a male die 3 and a female die 4, and is characterized in that a hydraulic cylinder 5 is fixedly connected to the top of the male die 3, the top of the hydraulic cylinder 5 is fixedly connected with the upper die holder 2, a liquid chamber 6 is formed in the lower die holder 2, the liquid chamber 6 is annularly arranged on the outer side of the female die 4, a sleeve 7 is attached to the side wall of the liquid chamber 6, the sleeve 7 is rotatably connected with the liquid chamber 6, a gear 8 is fixedly connected to the bottom of the sleeve 7, the gear 8 is arranged in a cavity 9 formed below the sleeve 7, a support rod 10 is fixedly connected in the cavity 9, a rack 11 is sleeved outside the support rod 10 in a sliding connection mode;

the bottom center of sleeve 7 runs through and is equipped with communicating pipe 12, the top of communicating pipe 12 and the inner wall fixed connection of sap cavity 6, the both sides of the symmetry of communicating pipe 12 are equipped with a connector 13 that does not communicate each other respectively, sealing connection has opposite direction's check valve in the connector 13 respectively, communicating pipe 12 runs through the diapire of die holder 2 and outside part is equipped with the liquid reserve tank 15 through first branch pipe 141 and the common intercommunication of second branch pipe 142 respectively, first branch pipe 141 communicates with the bottom center of liquid reserve tank 15, second branch pipe 142 communicates with the top lateral wall of liquid reserve tank 15.

One end fixedly connected with electro-magnet 16 of branch 10, the rack 11 is close to the one end of electro-magnet 16 and is equipped with the magnetic layer with electro-magnet 16 homopolar opposition, electro-magnet 16 electricity is connected with the photo resistance and is equipped with flash light 17 in the cavity 9, the bottom fixedly connected with of die 4 leads the pressure layer 18, lead pressure layer 18 and adopt piezoelectric material and be connected with the flash light 17 electricity, be equipped with guide vane 19 in the second branch pipe 142, guide vane 19's centre of rotation fixedly connected with pivot and the sealed lateral wall that runs through second branch pipe 142 of pivot, the part fixedly connected with radiator vane 20 of pivot outside second branch pipe 142.

When the invention is used, the bottom of the female die 3 is provided with the pressure-guiding layer 18 made of piezoelectric material, which can generate current to the flash lamp 17 when being pressed, so that the flash lamp 17 outputs periodic current to the photoresistor, thereby realizing the effect that the electromagnet 16 is intermittently conducted and electrified, and the rack 11 realizes the reciprocating movement, the rack 11 reciprocates to drive the gear 8 to periodically rotate forwards and backwards, thereby enabling the sleeve 7 to stir the cooling liquid in the cavity 9, so that the liquid is always kept at uniform temperature, thereby realizing the uniform cooling effect in the cooling process, the heated liquid is evaporated into gas under the condition of high heat, one connecting port 13 in the communicating pipe 12 leads the part of gas into the liquid storage tank 15, the liquid level of the liquid storage tank 15 is raised to the connecting part of the second branch pipe 142 and the liquid storage tank 15, and the liquid above flows back into the cavity 9 through the second branch pipe 142, the effect of liquid circulation and cooling liquid supplement is realized.

Set up guide vane 19 in the second branch pipe 142, when liquid got into cavity 9 in liquid reserve tank 15, can make guide vane 19 rotate at the action of gravity through second branch pipe 142, and guide vane 19's rotation will make the radiator vane 20 in the outside rotate simultaneously to make the outside of die holder 2 dispel the heat by the forced air cooling, realize inside and outside radiating effect simultaneously, avoid die holder 2 surface temperature too high, cause scald staff's problem.

Although the terms of the upper die holder 1, the lower die holder 2, the male die 3, the female die 4, the hydraulic cylinder 5, the liquid chamber 6, the sleeve 7, the gear 8, the cavity 9, the support rod 10, the rack 11, the communicating pipe 12, the connecting port 13, the first branch pipe 141, the second branch pipe 142, the liquid storage tank 15, the electromagnet 16, the flash lamp 17, the pressure guide layer 18, the guide vane 19, the heat dissipation vane 20, and the like are used more frequently, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.

Claims

1. A uniform rapid cooling type stamping die comprises an upper die base (1), a lower die base (2), a male die (3) and a female die (4), it is characterized in that the top of the male die (3) is fixedly connected with a hydraulic cylinder (5), the top of the hydraulic cylinder (5) is fixedly connected with the upper die holder (2), the lower die holder (2) is provided with a liquid cavity (6), the liquid cavity (6) is annularly arranged at the outer side of the female die (4), the side wall of the liquid cavity (6) is connected with a sleeve (7) in a fitting manner, the sleeve (7) is rotationally connected with the liquid cavity (6), the bottom of the sleeve (7) is fixedly connected with a gear (8), the gear (8) is arranged in a cavity (9) arranged below the sleeve (7), a supporting rod (10) is fixedly connected in the cavity (9), a rack (11) is sleeved outside the supporting rod (10) in a sliding connection mode, and the rack (11) is meshed with the gear (8);

the bottom center of sleeve (7) runs through and is equipped with communicating pipe (12), the top of communicating pipe (12) and the inner wall fixed connection of sap cavity (6), the both sides of communicating pipe (12) symmetry are equipped with a connector (13) that do not communicate each other respectively, sealing connection has opposite direction's check valve in connector (13) respectively, communicating pipe (12) run through the diapire of die holder (2) and the part outside is equipped with liquid reserve tank (15) through first branch pipe (141) and second branch pipe (142) common intercommunication respectively, first branch pipe (141) and the bottom center intercommunication of liquid reserve tank (15), the top lateral wall intercommunication of second branch pipe (142) and liquid reserve tank (15).

2. The stamping die of the uniform and fast cooling type as claimed in claim 1, wherein an electromagnet (16) is fixedly connected to one end of the supporting rod (10), a magnetic layer which is opposite to the electromagnet (16) in the same polarity is arranged at one end of the rack (11) close to the electromagnet (16), the electromagnet (16) is electrically connected with a photoresistor, and a flash lamp (17) is arranged in the cavity (9).

3. The stamping die of the uniform and fast cooling type as claimed in claim 2, wherein the bottom of the female die (4) is fixedly connected with a pressure guiding layer (18), the pressure guiding layer (18) is made of piezoelectric material and is electrically connected with the flash lamp (17), a guide vane (19) is arranged in the second branch pipe (142), a rotating shaft is fixedly connected to the rotating center of the guide vane (19) and penetrates through the side wall of the second branch pipe (142) in a sealing manner, and a radiating vane (20) is fixedly connected to the part of the rotating shaft, which is outside the second branch pipe (142).