CN221312450U - Pneumatic demoulding mechanism of pier plate part die casting die - Google Patents

Abstract

The application relates to the technical field of die casting dies and discloses a pneumatic demoulding mechanism of a pier plate part die casting die, which comprises an upper die and a lower die, wherein the upper die is arranged at the top of the lower die, a secondary demoulding mechanism is arranged on the lower die, the secondary demoulding mechanism comprises an air inlet connecting pipe, and the air inlet connecting pipe is fixedly connected to the front side of the lower die. Through the design of second grade demoulding mechanism, during the drawing of patterns, the motor drives two-way threaded rod and rotates, impels the push pedal to push away to the bottom plate after overturning, and the bottom plate upwards moves to after the sealing block leaves the exhaust hole, begins to take over to control the inside input gas of chamber through admitting air, and the air current carries out pneumatic drawing of patterns to the die casting at bottom plate top after passing through the exhaust hole, impels die casting and bottom plate to peel off, and then continues to push away the bottom plate upwards to the die casting be higher than after controlling the chamber, and the user can directly take out the die casting to this avoids the die casting to be in the inside condition that can't take out fast of die casting.

Description

Pneumatic demoulding mechanism of pier plate part die casting die

Technical Field

The application relates to the technical field of die casting dies, in particular to a pneumatic demoulding mechanism of a pier plate part die casting die.

Background

The bridge pier is a substructure which supports the bridge span structure and transmits constant load and vehicle live load to the foundation, the bridge abutment is arranged at two sides of the bridge, the bridge pier is arranged between the two bridge abutments, the bridge pier is used for supporting the bridge span structure, materials of the building bridge pier can be timber, stone, concrete, reinforced concrete, steel and the like, and when the plates for bridge pier construction are processed, the die casting die is needed to be used for die casting.

Patent net publication No. CN219335928U discloses a demoulding mechanism of a die casting mould, which comprises a demoulding component, wherein the demoulding component comprises an ejection demoulding structure and a pneumatic demoulding structure, and a first annular concave table is arranged on the inner wall of a demoulding cavity; through setting up ejecting demoulding structure and pneumatic demoulding structure, when the drawing of patterns, when stretching out ejecting demoulding structure, can carry out the drawing of patterns to the die casting of type intracavity, ejecting demoulding structure can not block first annular concave station for the drawing of patterns gas pocket leaks outward, and the drawing of patterns gas pocket of being convenient for blows the drawing of patterns to the die casting in the die cavity, and ejecting demoulding structure's quantity is one, sets up in the bottom four corners position of die cavity, can increase the stress point of die casting drawing of patterns, thereby makes the die casting draw of patterns more easily, not only labour saving and time saving, and reduced workman's intensity of labour, and then improved work efficiency.

When the device is used for demolding a die casting, firstly, after the whole die cavity is pushed to a certain height, the demolding effect is achieved through blowing to the inside of the die cavity through the demolding air hole, but before demolding operation is started, the whole die cavity is just ejected, and correspondingly, when blowing, the die casting still stays in the die cavity, if the air flow strength is overlarge at the moment, the die casting can be directly blown off to the outside, damage is caused in the dropping process, if the air flow strength is too small, the die casting and the die cavity can only be stripped, but the die casting is required to be taken out, a certain difficulty still exists, and the operation is not convenient enough.

Disclosure of utility model

In order to solve the problems, the application provides a pneumatic demoulding mechanism of a pier plate part die-casting mould.

The pneumatic demoulding mechanism of the pier plate part die-casting mould provided by the application adopts the following technical scheme:

The pneumatic demoulding mechanism comprises an upper die and a lower die, wherein the upper die is arranged at the top of the lower die, and a secondary demoulding mechanism is arranged on the lower die.

The secondary demoulding mechanism comprises an air inlet connecting pipe, the air inlet connecting pipe is fixedly connected to the front side of a lower die, a die casting cavity and a control cavity are formed in the lower die, the air inlet connecting pipe is communicated with the control cavity, a bottom plate is placed in the die casting cavity, a transverse plate is fixedly connected to the inside of the die casting cavity, the bottom of the bottom plate is attached to the top of the transverse plate, a sealing block is fixedly connected to the top of the transverse plate, an exhaust hole is formed in the bottom plate, the sealing block penetrates through the exhaust hole and is matched with the exhaust hole, a motor is fixedly connected to one side of the lower die, a bidirectional threaded rod is connected to the inside of the control cavity through a sealing bearing, the motor is fixedly connected with the bidirectional threaded rod through an output shaft, two threaded blocks are arranged outside the bidirectional threaded rod, the two threaded blocks are all connected with the bidirectional threaded rod through threads, a main body plate is arranged at the top of the threaded block, a push plate is slidingly connected to the inner side of the main body plate, and the push plate extends out of the main body plate.

Through adopting above-mentioned technical scheme, the external air feed equipment is connected to the takeover that admits air, during the drawing of patterns, at first the motor drives two-way threaded rod and rotates, push away the bottom plate after promoting the push pedal upset, the bottom plate upwards moves to after the sealing block leaves the exhaust hole, begin to control the intracavity portion through the takeover input gas that admits air, the air current carries out pneumatic drawing of patterns to the die casting at bottom plate top after passing through the exhaust hole, promote die casting and bottom plate to peel off, continue to push away the bottom plate upwards to the die casting later, after the cavity is controlled to be higher than to the die casting, the user can directly take out the die casting, with this avoid the die casting to be in the die casting intracavity portion and the unable condition of taking out fast.

Preferably, the top of the thread block is fixedly connected with a strip-shaped plate, the top of the strip-shaped plate is movably connected with the bottom of the main body plate through a movable hinged support, the top of the push plate is movably connected with the bottom of the bottom plate through a movable hinged support, and the bottom of the thread block is attached to the bottom of the control cavity.

By adopting the technical scheme, the main body plate starts to turn over after the threaded block moves.

Preferably, a limit groove is formed in one side of the main body plate, a limit plate is fixedly connected to one side of the push plate, and the limit plate penetrates through the limit groove and is matched with the limit groove.

Through adopting above-mentioned technical scheme, the limiting plate can be at the nimble removal of spacing inslot portion.

Preferably, a rectangular plate is fixedly connected to one side wall of the main body plate, the rectangular plate is arranged at the bottom of the limiting groove, a first spring is fixedly connected to the top of the rectangular plate, and the top of the first spring is fixedly connected with the bottom of the limiting plate.

By adopting the technical scheme, the first spring has elastic acting force on the limiting plate.

Preferably, the top of the lower die is fixedly connected with a guide post, and the guide post penetrates through the upper die.

By adopting the technical scheme, the guide post can provide limit for the upper die.

Preferably, the second-level demoulding mechanism comprises a positioning assembly, the positioning assembly comprises a positioning plate, two movable grooves are formed in the lower die, the positioning plate is slidably connected in the movable grooves, positioning grooves are formed in the left side and the right side of the bottom plate, the positioning plate extends to the positioning grooves and the inside of the control cavity respectively, the positioning plate is matched with the positioning grooves, one side of the positioning plate is fixedly connected with a second spring, and one end of the second spring is fixedly connected with the inside of the control cavity.

By adopting the technical scheme, the second spring has elastic acting force on the positioning plate.

Preferably, the strip-shaped plate top fixedly connected with riser, riser one side fixedly connected with spacing telescopic link and third spring, third spring set up in spacing telescopic link outside, and spacing telescopic link one side is provided with the stripper plate, stripper plate one side respectively with third spring and spacing telescopic link one end fixed connection, stripper plate opposite side and locating plate one side contact.

By adopting the technical scheme, the extrusion plate pushes the positioning plate.

In summary, the application has the following beneficial technical effects:

1. Through the design of second grade demoulding mechanism, during the drawing of patterns, the motor drives two-way threaded rod and rotates, push away the bottom plate after promoting the push pedal upset, the bottom plate upwards moves to after the sealing block leaves the exhaust hole, begin to control the inside gas input of chamber through the air inlet pipe, the air current carries out pneumatic drawing of patterns to the die casting at bottom plate top after passing through the exhaust hole, promote die casting and bottom plate to peel off, continue to push away the bottom plate upwards to the die casting after being higher than controlling the chamber afterwards, the user can directly take out the die casting, with this avoid the die casting to be in the die casting intracavity portion and the unable condition of taking out fast.

2. The pneumatic demolding mechanism for the pier plate part die-casting mold comprises a positioning component, wherein the positioning component is inserted into a positioning groove through a positioning plate, the positioning component is used for limiting a bottom plate, the stability of the bottom plate is improved in the die-casting process, the die-casting quality is ensured, and when demolding is needed, the bottom plate is controlled to leave the positioning groove, and then the bottom plate can be removed from the mold in a movable manner, so that the safety of the die-casting and demolding process is improved.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a cross-sectional view of the structure of the present utility model;

FIG. 3 is an enlarged view at A in FIG. 2;

FIG. 4 is a bottom cross-sectional view of the lower die of the present utility model;

Fig. 5 is a structural view of a base plate in the present utility model.

Reference numerals illustrate: 1. an upper die; 2. a lower die; 3. a secondary demoulding mechanism; 31. an air inlet connecting pipe; 32. a die casting cavity; 33. a control chamber; 34. a cross plate; 35. a sealing block; 36. an exhaust hole; 37. a motor; 38. a two-way threaded rod; 39. a screw block; 391. a main body plate; 392. a push plate; 393. a strip-shaped plate; 394. a limit groove; 395. a limiting plate; 396. a rectangular plate; 397. a first spring; 398. a guide post; 399. a positioning plate; 381. a positioning groove; 382. a second spring; 383. a riser; 384. a limiting telescopic rod; 385. a third spring; 386. an extrusion plate; 387. a bottom plate.

Detailed Description

The application is described in further detail below with reference to fig. 1-5.

The embodiment of the application discloses a pneumatic demoulding mechanism of a pier plate part die-casting mould. Referring to fig. 1-5, a pneumatic demoulding mechanism of a pier plate part die-casting mould comprises an upper mould 1 and a lower mould 2, wherein the upper mould 1 is arranged at the top of the lower mould 2, a secondary demoulding mechanism 3 is arranged on the lower mould 2, the secondary demoulding mechanism 3 comprises an air inlet connecting pipe 31, the air inlet connecting pipe 31 is fixedly connected to the front side of the lower mould 2, a die-casting cavity 32 and a control cavity 33 are arranged on the lower mould 2, the air inlet connecting pipe 31 is communicated with the control cavity 33, a bottom plate 387 is arranged in the die-casting cavity 32, a cross plate 34 is fixedly connected in the die-casting cavity 32, the bottom of the bottom plate 387 is attached to the top of the cross plate 34, a sealing block 35 is fixedly connected to the top of the cross plate 34, an air outlet 36 is arranged on the bottom plate 387, and the sealing block 35 penetrates through the air outlet 36 and is matched with the air outlet 36;

The lower die 2 one side fixedly connected with motor 37, control the inside two-way threaded rod 38 that is connected with of chamber 33 through sealed bearing, motor 37 passes through output shaft and two-way threaded rod 38 fixed connection, two screw thread pieces 39 are provided with outside two-way threaded rod 38, two screw thread pieces 39 all pass through threaded connection with two-way threaded rod 38, the screw thread piece 39 top is provided with main body board 391, main body board 391 inboard sliding connection has push pedal 392, push pedal 392 extends main body board 391 outside, take over 31 and connect external air feed equipment in the drawing of patterns, at first, motor 37 drives two-way threaded rod 38 and rotates, make push pedal 392 overturned back to push away bottom plate 387, bottom plate 387 upwards moves to after sealing piece 35 leaves exhaust hole 36, begin to control the inside input gas of chamber 33 through taking over 31, the die casting to bottom plate 387 carries out pneumatic drawing of patterns after the air current passes through exhaust hole 36, make die casting and bottom plate 387 peel off, follow-up to push away to the die casting after the die casting is higher than controlling chamber 33, the user can directly take out the die casting, so that the die casting is in the inside die casting 32 and the condition that can't take out fast.

The screw thread piece 39 top fixedly connected with strip shaped plate 393, strip shaped plate 393 top and main part board 391 bottom pass through movable hinge movable connection, push pedal 392 top and bottom plate 387 bottom pass through movable hinge movable connection, screw thread piece 39 bottom is laminated with controlling the chamber 33 bottom mutually, main part board 391 begins the upset after the screw thread piece 39 removes, limit slot 394 has been seted up to main part board 391 one side, push pedal 392 one side fixedly connected with limiting plate 395, limiting plate 395 runs through limit slot 394 and matches with limit slot 394, limiting plate 395 can be in the nimble removal of limit slot 394 inside, fixedly connected with rectangular plate 396 on a main part board 391 lateral wall, rectangular plate 396 sets up in limit slot 394 bottom, rectangular plate 396 top fixedly connected with first spring 397, first spring 397 top and limiting plate 395 bottom fixed connection, first spring 397 exists elastic force to limiting plate 395, lower mould 2 top fixedly connected with guide post 398, guide post 398 runs through mould 1, guide post 398 can provide spacing to last mould 1.

The second-level demolding mechanism 3 comprises a positioning assembly, the positioning assembly comprises a positioning plate 399, two movable grooves are formed in the lower die 2, the positioning plate 399 is slidably connected in the movable grooves, positioning grooves 381 are formed in the left side and the right side of the bottom plate 387, the positioning plate 399 respectively extends into the positioning grooves 381 and the control cavity 33, the positioning plate 399 is matched with the positioning grooves 381, one side of the positioning plate 399 is fixedly connected with a second spring 382, one end of the second spring 382 is fixedly connected with the control cavity 33, and elastic acting force exists on the positioning plate 399 by the second spring 382;

The top fixedly connected with riser 383 of strip shaped plate 393, riser 383 one side fixedly connected with spacing telescopic link 384 and third spring 385, third spring 385 set up in spacing telescopic link 384 outside, and spacing telescopic link 384 one side is provided with stripper plate 386, stripper plate 386 one side respectively with third spring 385 and spacing telescopic link 384 one end fixed connection, stripper plate 386 opposite side and locating plate 399 one side contact, stripper plate 386 promotes locating plate 399.

In the actual operation process, the air inlet connecting pipe 31 in the device is used for connecting external air supply equipment, pier plate parts can be die-cast in the die-casting cavity 32, when die-casting is completed and demoulding is needed, the upper die 1 and the lower die 2 are separated, then the motor 37 works and drives the bidirectional threaded rod 38 to rotate, the bidirectional threaded rod 38 drives the two threaded blocks 39 to move oppositely or away from each other, the threaded blocks 39 drive the main body plate 391 to overturn, and the main body plate 391 drives the internal push plate 392 to overturn, so that the effect of pushing the bottom plate 387 is achieved;

In the device, the sum of the elastic force of the second spring 382 and the elastic force of the first spring 397 is smaller than the elastic force of the third spring 385, the threaded block 39 directly drives the limiting telescopic rod 384 to move after moving while the steps are carried out, the limiting telescopic rod 384 drives the extrusion plate 386 to move, the extrusion plate 386 pushes the positioning plate 399, the positioning plate 399 moves after being extruded, the movable distance of the push plate 392 in the main body plate 391 is greater than the depth of the positioning groove 381, so when the push plate 392 extrudes and pushes the bottom plate 387, the positioning plate 399 synchronously moves to the outer side of the positioning groove 381, and when the positioning plate 399 completely moves to the outer side of the positioning groove 381, the bottom plate 387 can move while being pushed, and the stability of the bottom plate 387 can be improved in the die casting process by the design that the positioning plate 399 is inserted into the positioning groove 381, so that the die casting quality is ensured;

After the upper bottom plate 387 moves to the sealing block 35 to leave the exhaust hole 36, the exhaust hole 36 is in a communication state, at the moment, the air inlet connecting pipe 31 inputs air into the control cavity 33, the air flow starts demolding to the die casting after passing through the exhaust hole 36, the die casting is enabled to be stripped from the bottom plate 387, and a user can conveniently take the die casting, so that the condition that the die casting is easy to fall and damage due to the fact that the die casting is enabled to fall after moving out of the die casting cavity 32 is avoided, after the die casting is enabled to be started, the upper step is continued, the bottom plate 387 is enabled to move upwards until the die casting moves out of the die casting cavity 32 for a sufficient distance, and the user can directly take out the die casting, so that the convenience of the operation of the user is effectively improved.

The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.

Claims (7)

1. Pneumatic demoulding mechanism of pier panel part die casting die, including last mould (1) and lower mould (2), its characterized in that: the upper die (1) is arranged at the top of the lower die (2), and the lower die (2) is provided with a secondary demoulding mechanism (3);

the secondary demoulding mechanism (3) comprises an air inlet connecting pipe (31), the air inlet connecting pipe (31) is fixedly connected to the front side of a lower mould (2), a die casting cavity (32) and a control cavity (33) are formed in the lower mould (2), the air inlet connecting pipe (31) is communicated with the control cavity (33), a bottom plate (387) is arranged inside the die casting cavity (32), a transverse plate (34) is fixedly connected to the inside of the die casting cavity (32), the bottom plate (387) is attached to the top of the transverse plate (34), a sealing block (35) is fixedly connected to the top of the transverse plate (34), an air exhaust hole (36) is formed in the bottom plate (387), the sealing block (35) penetrates through the air exhaust hole (36) and is matched with the air exhaust hole (36), a motor (37) is fixedly connected to one side of the lower mould (2), a bidirectional threaded rod (38) is connected to the inside of the control cavity (33) through a sealing bearing, the motor (37) is fixedly connected with the output shaft and the bidirectional threaded rod (38), two threaded blocks (39) are arranged outside the bidirectional threaded rod (38), two threaded blocks (39) are fixedly connected to the top of the threaded rod (39) through the output shaft and the threaded rod (391, the threaded blocks (39) are connected to the top of the main body (391), the push plate (392) extends outside the body plate (391).

2. The pneumatic demolding mechanism for pier plate part die casting mold according to claim 1, wherein: the screw thread piece (39) top fixedly connected with strip shaped plate (393), strip shaped plate (393) top and main part board (391) bottom are through movable free bearing swing joint, push pedal (392) top and bottom plate (387) bottom are through movable free bearing swing joint, screw thread piece (39) bottom is laminated mutually with controlling chamber (33) bottom.

3. The pneumatic demolding mechanism for pier plate part die casting mold according to claim 1, wherein: a limiting groove (394) is formed in one side of the main body plate (391), a limiting plate (395) is fixedly connected to one side of the push plate (392), and the limiting plate (395) penetrates through the limiting groove (394) and is matched with the limiting groove (394).

4. The pneumatic demolding mechanism for pier plate part die casting mold according to claim 1, wherein: a rectangular plate (396) is fixedly connected to one side wall of the main body plate (391), the rectangular plate (396) is arranged at the bottom of the limiting groove (394), a first spring (397) is fixedly connected to the top of the rectangular plate (396), and the top of the first spring (397) is fixedly connected with the bottom of the limiting plate (395).

5. The pneumatic demolding mechanism for pier plate part die casting mold according to claim 1, wherein: the top of the lower die (2) is fixedly connected with a guide post (398), and the guide post (398) penetrates through the upper die (1).

6. The pneumatic demolding mechanism for pier plate part die casting mold according to claim 1, wherein: the secondary demoulding mechanism (3) comprises a positioning assembly, the positioning assembly comprises a positioning plate (399), two movable grooves are formed in the lower die (2), the positioning plate (399) is slidably connected in the movable grooves, positioning grooves (381) are formed in the left side and the right side of the bottom plate (387), the positioning plate (399) respectively extends to the positioning grooves (381) and the inside of the control cavity (33), the positioning plate (399) is matched with the positioning grooves (381), a second spring (382) is fixedly connected to one side of the positioning plate (399), and one end of the second spring (382) is fixedly connected with the inside of the control cavity (33).

7. The pneumatic demolding mechanism for pier plate part die casting mold according to claim 2, wherein: the top of the strip-shaped plate (393) is fixedly connected with a vertical plate (383), one side of the vertical plate (383) is fixedly connected with a limiting telescopic rod (384) and a third spring (385), the third spring (385) is arranged outside the limiting telescopic rod (384), one side of the limiting telescopic rod (384) is provided with a squeeze plate (386), one side of the squeeze plate (386) is fixedly connected with one end of the third spring (385) and one end of the limiting telescopic rod (384) respectively, and the other side of the squeeze plate (386) is contacted with one side of the positioning plate (399).