CN212331695U

CN212331695U - Quick demoulding device of hot extrusion die

Info

Publication number: CN212331695U
Application number: CN202020775669.9U
Authority: CN
Inventors: 曾志强; 廖炳煌; 邓赞秋; 唐小红; 梁伟杰
Original assignee: Zhaoqing Qixing Mould Manufacturing Co ltd
Current assignee: Zhaoqing Qixing Mould Manufacturing Co ltd
Priority date: 2020-05-11
Filing date: 2020-05-11
Publication date: 2021-01-12
Anticipated expiration: 2030-05-11

Abstract

The utility model relates to a hot extrusion die technical field just discloses a quick shedder of hot extrusion die, including bottom mould, guide bar and top mould, wherein the die cavity has been seted up to the inside of bottom mould, and guide bar fixed mounting is at the top surface of bottom mould, and the top surface of top mould has been seted up the guiding hole and cup jointed with the circumference side activity of guide bar, and the hole of moulding plastics has been seted up to the inside of top mould, the inside of bottom mould just is located the below of die cavity and has seted up the activity groove, logical groove has been seted up to the bottom surface of die cavity, it runs through to the inside in activity groove to lead to the groove. According to the quick demoulding device of the hot extrusion die, the movable groove is formed in the bottom of the cavity of the bottom die, the telescopic structure is installed, so that a workpiece clamped in the cavity can be ejected out, demoulding is facilitated, the air channel is formed in the side face of the movable groove, the air blower is installed on the outer side of the movable groove, negative pressure between the workpiece and the cavity is relieved, and demoulding is further facilitated.

Description

Quick demoulding device of hot extrusion die

Technical Field

The utility model relates to a hot extrusion die technical field specifically is a hot extrusion die rapid demoulding device.

Background

The hot extrusion die is a device which introduces raw materials in a molten state into the die by means of injection molding and the like and utilizes hot extrusion molding.

Current hot extrusion die is inseparable owing to the contact between work piece and the die cavity at the fashioned in-process, produces the negative pressure easily, and then causes work piece drawing of patterns difficulty to need wait for the work piece cooling in the time of current hot extrusion die drawing of patterns, because the mould cladding work piece, make the temperature to the work piece measure, cause the work piece shrinkage excessively easily, thereby die with the card of die cavity corner, further aggravated the difficult degree of drawing of patterns.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a quick shedder of hot extrusion die possesses the ventilation structure and can removes the negative pressure between work piece and the die cavity in the drawing of patterns, is convenient for take off work piece, temperature detection mechanism can detect the temperature of work piece and pop out the work piece, guarantees the drawing of patterns advantage such as going on smoothly, has solved the problem that the background art provided.

(II) technical scheme

Can relieve the negative pressure between work piece and the die cavity in the drawing of patterns for realizing above-mentioned ventilation structure, be convenient for take off work piece, temperature detection mechanism can detect the temperature of work piece and pop out the work piece, guarantee the smooth mesh of going on of drawing of patterns, the utility model provides a following technical scheme: a quick demoulding device of a hot extrusion mould comprises a bottom mould, a guide rod and a top mould, wherein a cavity is arranged in the bottom mould, the guide rod is fixedly arranged on the top surface of the bottom mould, a guide hole is arranged on the top surface of the top mould and movably sleeved with the circumferential side surface of the guide rod, an injection molding hole is arranged in the top mould, a movable groove is arranged in the bottom mould and below the cavity, a through groove is arranged on the bottom surface of the cavity and penetrates into the movable groove, a fixed hole is arranged on the bottom surface of the movable groove, a bottom plate is fixedly arranged at the bottom of the fixed hole, a telescopic rod is fixedly arranged on the top surface of the bottom plate and is electrically connected with an external power supply and a controller, a movable plate is fixedly arranged at the top of the telescopic rod and is arranged in the movable groove, and a barrier strip is arranged on the top surface, the side of activity groove has seted up the wind channel, the outside end in wind channel extends to the lateral surface of bottom mould, the distance of the medial extremity in wind channel to activity groove bottom surface is greater than the total height of fly leaf and blend stop.

Preferably, the bottom surface of top mould is seted up flutedly, the inside top surface fixed mounting of recess has the spring, the bottom fixed mounting of spring has the bullet piece, the side of bullet piece and the inside side sliding connection of recess, the shortest length of spring equals the thickness of recess with the total height of bullet piece, fixed slot one has been seted up to the side of top mould bottom, the inside fixed mounting of fixed slot one has temperature sensor, temperature sensor's electrode is connected with the external power supply electricity, fixed slot two has been seted up to the side at top mould top, the inside fixed mounting of fixed slot two has the display screen, the electrode and the external power supply electricity of display screen are connected, the input of display screen is connected with temperature sensor's output electricity.

Preferably, the number of the through grooves is more than two, and the through grooves are uniformly distributed on the bottom surface of the cavity.

Preferably, the number and the positions of the barrier strips are respectively the same as those of the through grooves, the thickness of the barrier strips and the thickness of the movable plate are smaller than the height of the movable grooves, and the height of the barrier strips is larger than the depth of the through grooves.

Preferably, the outside end fixed mounting in wind channel has the adapter, the fixed cover of outside end of adapter has connect the air-blower, the air-blower is connected with external power source and controller electricity.

Preferably, the number of the springs is four, and the four springs are uniformly distributed in the groove in a circumferential manner.

(III) advantageous effects

Compared with the prior art, the utility model discloses possess following beneficial effect:

1. according to the quick demoulding device of the hot extrusion die, the movable groove is formed in the bottom of the cavity of the bottom die, the telescopic structure is installed, so that a workpiece clamped in the cavity can be ejected out, demoulding is facilitated, the air channel is formed in the side face of the movable groove, the air blower is installed on the outer side of the movable groove, negative pressure between the workpiece and the cavity is relieved, and demoulding is further facilitated.

2. This kind of quick shedder of hot extrusion mould sets up temperature sensor through the bottom at the top mould to side-mounting display screen at the top mould, thereby make the operator can carry out audio-visual observation to the temperature of the inside work piece of die cavity, avoid work piece shrinkage excessive, realize opening the die cavity at appropriate temperature, be convenient for take out the work piece, simultaneously at the bottom installation pop-up mechanism of top mould, can carry out the drawing of patterns to the work piece in the top mould outside when making to open the mould.

Drawings

FIG. 1 is a schematic structural view of the present invention;

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

FIG. 3 is an exploded view of FIG. 2;

FIG. 4 is a schematic view of the internal structure of the structural top mold of the present invention;

fig. 5 is an exploded view of fig. 4.

In the figure: 1. a bottom mold; 101. a cavity; 102. a movable groove; 103. a through groove; 104. a fixing hole; 105. a base plate; 106. an air duct; 2. a guide bar; 3. a top mold; 301. a guide hole; 302. injection molding holes; 303. a groove; 304. a first fixing groove; 305. a second fixing groove; 4. a telescopic rod; 5. a movable plate; 501. blocking strips; 6. an adapter; 7. a blower; 8. a spring; 9. a spring block; 10. a temperature sensor; 11. a display screen.

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.

Example one

Referring to fig. 1-3, a fast demoulding device for a hot extrusion die comprises a bottom die 1, a guide rod 2 and a top die 3, wherein a cavity 101 is formed inside the bottom die 1, the guide rod 2 is fixedly installed on the top surface of the bottom die 1, a guide hole 301 is formed on the top surface of the top die 3 and movably sleeved with the circumferential side surface of the guide rod 2, an injection molding hole 302 is formed inside the top die 3, a movable groove 102 is formed inside the bottom die 1 and below the cavity 101 and used for installing a movable mechanism, a through groove 103 is formed on the bottom surface of the cavity 101 and used for extending out the movable mechanism, the through groove 103 penetrates through the movable groove 102, the number of the through grooves 103 is more than two, the through grooves 103 are uniformly distributed on the bottom surface of the cavity 101, fixing holes 104 are formed on the bottom surface of the movable groove 102 and used for installing a driving mechanism, a bottom plate 105 is fixedly installed, the bottom die is used for sealing the bottom of the bottom die 1, the top surface of the bottom plate 105 is fixedly provided with an expansion link 4 for outputting expansion and contraction, the expansion link 4 is electrically connected with an external power supply and a controller, the top of the expansion link 4 is fixedly provided with a movable plate 5, the movable plate 5 is positioned inside the movable groove 102, the top surface of the movable plate 5 is provided with a barrier strip 501 for sealing the through groove 103, the number and the position of the barrier strip 501 are respectively the same as those of the through groove 103, the thickness of the barrier strip 501 and the movable plate 5 is smaller than the height of the movable groove 102, the communication between the through groove 103 and the movable groove 102 can be ensured when the movable plate 5 moves downwards, the height of the barrier strip 501 is larger than the depth of the through groove 103, the barrier strip 501 can extend out of the top surface of the through groove 103 when the movable plate 5 rises, so as to eject a workpiece upwards, the side surface of, the distance from the inner end of the air duct 106 to the bottom surface of the movable groove 102 is larger than the total height of the movable plate 5 and the barrier strip 501, the adapter 6 is fixedly mounted at the outer end of the air duct 106, the air blower 7 is fixedly sleeved at the outer end of the adapter 6 and used for ventilating the interior of the movable groove 102, and the air blower 7 is electrically connected with an external power supply and a controller.

Example two

Referring to fig. 4-5, a groove 303 is formed in the bottom surface of the top mold 3 for installing an ejection mechanism, four springs 8 are fixedly installed on the top surface inside the groove 303, the number of the springs 8 is four, the four springs 8 are uniformly distributed in the groove 303 in a circumferential manner, an elastic block 9 is fixedly installed at the bottom end of each spring 8, the side surface of each elastic block 9 is slidably connected with the inner side surface of the groove 303, the shortest length of each spring 8 and the total height of each elastic block 9 are equal to the thickness of the groove 303, so that when the elastic blocks 9 are contracted into the groove 303, the bottom surfaces of the elastic blocks can be flush with the bottom surface of the top mold 3, hot extrusion precision is guaranteed, a first fixing groove 304 is formed in the side surface of the bottom of the top mold 3, a temperature sensor 10 is fixedly installed inside the first fixing groove 304 and used for detecting the temperature of a workpiece, an electrode of the temperature sensor 10, the display screen 11 is fixedly mounted inside the second fixing groove 305, an electrode of the display screen 11 is electrically connected with an external power supply, and an input end of the display screen 11 is electrically connected with an output end of the temperature sensor 10, so that a detection result of the temperature sensor 10 can be displayed on the display screen 11, and observation is facilitated.

The working principle is as follows: when the cooling device is used, firstly, the telescopic rod 4 is adjusted to enable the top surface of the barrier strip 501 to be flush with the bottom surface of the cavity 101, molten raw materials are injected into the cavity 101 through the injection molding hole 302, the elastic block 9 is upwards contracted under the pressure of the raw materials in the injection process until the bottom surface of the elastic block 9 is flush with the bottom surface of the top mold 3, the display result of the temperature sensor 10, namely the temperature of a workpiece, is observed through the display screen 11 in the cooling process, when the temperature is cooled to a proper temperature, the top mold 3 is opened, if the workpiece is clamped with the cavity 101, the telescopic rod 4 is controlled to descend, the air duct 106 is communicated with the through groove 103, air is blown into the inside of the cooling device through the air blower 7, the negative pressure between the bottom of the workpiece and the bottom surface of the cavity 101 is relieved, then the; if the workpiece is stuck to the bottom of the top die 3, the spring 8 pushes the spring block 9 downward while the top die 3 is lifted, so that the workpiece falls off.

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. A quick demoulding device of a hot extrusion die comprises a bottom die (1), a guide rod (2) and a top die (3), wherein a cavity (101) is formed in the bottom die (1), the guide rod (2) is fixedly installed on the top surface of the bottom die (1), a guide hole (301) is formed in the top surface of the top die (3) and movably sleeved with the circumferential side surface of the guide rod (2), and an injection molding hole (302) is formed in the top die (3);

the method is characterized in that:

the bottom die is characterized in that a movable groove (102) is formed in the bottom die (1) and below a cavity (101), a through groove (103) is formed in the bottom surface of the cavity (101), the through groove (103) penetrates through the movable groove (102), a fixed hole (104) is formed in the bottom surface of the movable groove (102), a bottom plate (105) is fixedly installed at the bottom of the fixed hole (104), an expansion link (4) is fixedly installed on the top surface of the bottom plate (105), the expansion link (4) is electrically connected with an external power supply and a controller, a movable plate (5) is fixedly installed at the top of the expansion link (4), the movable plate (5) is located in the movable groove (102), a blocking strip (501) is arranged on the top surface of the movable plate (5), an air duct (106) is formed in the side surface of the movable groove (102), and the outer side end of the air duct (106) extends to the outer side, the distance from the inner end of the air duct (106) to the bottom surface of the movable groove (102) is larger than the total height of the movable plate (5) and the barrier strip (501).

2. The fast demolding device for the hot extrusion die as claimed in claim 1, wherein: the bottom surface of the top mold (3) is provided with a groove (303), the top surface inside the groove (303) is fixedly provided with a spring (8), the bottom end of the spring (8) is fixedly provided with an elastic block (9), the side surface of the elastic block (9) is in sliding connection with the inner side surface of the groove (303), the shortest length of the spring (8) and the total height of the elastic block (9) are equal to the thickness of the groove (303), the side surface of the bottom of the top mold (3) is provided with a first fixing groove (304), the inner part of the first fixing groove (304) is fixedly provided with a temperature sensor (10), the electrode of the temperature sensor (10) is electrically connected with an external power supply, the side surface of the top mold (3) is provided with a second fixing groove (305), the inner part of the second fixing groove (305) is fixedly provided with a display screen (11), and the electrode of, the input end of the display screen (11) is electrically connected with the output end of the temperature sensor (10).

3. The fast demolding device for the hot extrusion die as claimed in claim 1, wherein: the number of the through grooves (103) is more than two, and the through grooves (103) are uniformly distributed on the bottom surface of the cavity (101).

4. The fast demolding device for the hot extrusion die as claimed in claim 1, wherein: the number and the positions of the barrier strips (501) are the same as those of the through grooves (103), the thicknesses of the barrier strips (501) and the movable plate (5) are smaller than the height of the movable groove (102), and the height of the barrier strips (501) is larger than the depth of the through grooves (103).

5. The fast demolding device for the hot extrusion die as claimed in claim 1, wherein: the outside end fixed mounting in wind channel (106) has adapter (6), air-blower (7) have been cup jointed to the outside end of adapter (6) is fixed, air-blower (7) are connected with external power source and controller electricity.

6. The fast demolding device for the hot extrusion die as claimed in claim 2, wherein: the number of the springs (8) is four, and the four springs (8) are uniformly distributed in the groove (303) in a circumferential mode.