CN215746368U - Model core material returning mechanism - Google Patents

Abstract

The utility model discloses a model core material returning mechanism, which relates to the technical field of mold production and aims at solving the problems that when an existing casting mold is used, a part is easy to fall off under the influence of gravity and the material returning process is unstable due to the fact that the part is clamped on a mold core after being solidified and molded. The casting mold is novel in structure, solves the problems that when the existing casting mold is used, parts are easy to fall off under the influence of gravity and the material returning process is unstable due to the fact that the parts are clamped on a mold core after being solidified and formed, and is suitable for popularization.

Description

Model core material returning mechanism

Technical Field

The utility model relates to the technical field of mold production, in particular to a model core material returning mechanism.

Background

The casting mold is used for obtaining the structural shape of the part, other easily-formed materials are used for forming the structural shape of the part in advance, then the part is placed into the mold, a cavity with the same structural size as the part is formed in the sand mold, then the fluid liquid is poured into the cavity, and the part with the same structural shape as the mold can be formed after the fluid liquid is cooled and solidified.

When using to current casting mould, because the card is on the core after the part solidifies the shaping, lead to the part to easily drop under the influence of gravity, the material returned process is unstable. Therefore, to solve such problems, we propose a mold core ejecting mechanism.

SUMMERY OF THE UTILITY MODEL

The utility model provides a model core material returning mechanism which solves the problems that when an existing casting mold is used, a part is clamped on a core after being solidified and molded, the part is easy to fall off under the influence of gravity, and the material returning process is unstable.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a model core material returned mechanism, includes brace table and backup pad, brace table's top fixed mounting has the backup pad, brace table's top fixed mounting has two gag lever posts that are parallel arrangement, material returned device is installed on brace table's top, just material returned device includes pneumatic cylinder and material returned piece, two fixed mounting has the pneumatic cylinder between the gag lever post, the tailpiece of the piston rod portion fixed mounting of pneumatic cylinder has material returned piece, material returned piece's the one end of keeping away from the pneumatic cylinder installs buffer gear, mould assembly is installed on brace table's top.

By adopting the technical scheme, the hydraulic cylinder is arranged between the two limiting rods, and the material returning block is arranged at the end part of the piston rod of the hydraulic cylinder, so that the material returning block and the piston rod move synchronously, and parts on the mold core stably fall off.

Preferably, a piston rod of the hydraulic cylinder and the limiting rod are arranged in a sliding penetrating mode, the material returning block is arranged in an L shape, and a groove is formed in the top end of the material returning block.

Through adopting above-mentioned technical scheme, the piston rod through the pneumatic cylinder slides with the gag lever post and runs through the installation for the piston rod transmission of pneumatic cylinder is steady, and through the L type setting of material piece that moves back, the horizontal segment of material piece that moves back prevents effectively that the part from dropping, sets up the recess through the top at material piece that moves back, makes material piece and core sliding connection move back, and the steady part that promotes drops.

Preferably, buffer gear includes strikeing board, buffering post and buffer spring, the one end slidable mounting who keeps away from the pneumatic cylinder of material piece that moves back has the strikeing board, the one end fixed mounting who is close to material piece that moves back of strikeing board has a plurality of buffering posts, the tip of material piece that moves back is seted up a plurality of through-holes that match with the buffering post, fixed mounting has a plurality of buffer spring between strikeing board and the material piece that moves back, buffer spring cup joints with the buffering post.

Through adopting above-mentioned technical scheme, through to strikeing the board with move back the slidable mounting of material piece, the lateral wall fixed mounting buffer post of strikeing the board, and at strikeing the board and move back material piece between installation buffer spring for strikeing the board when assaulting the part, buffer spring receives the extrusion, reduces the impact force of material piece to the part that moves back, has had part protect function.

Preferably, the top end of the supporting table is fixedly provided with a bearing box, and the inner wall of the bottom of the bearing box is provided with a rubber layer.

By adopting the technical scheme, the bearing box is arranged on the top end of the supporting table, and the rubber layer is arranged in the bearing box, so that when the part falls off into the bearing box, the rubber layer plays a role in buffering, and the part is protected.

Preferably, the mould subassembly includes quiet mould, driving cylinder, lifter plate and movable mould, the top fixed mounting of brace table has quiet mould, the top fixed mounting of backup pad has the driving cylinder, the output shaft tip fixed mounting of driving cylinder has the lifter plate, the bottom slidable mounting of lifter plate has the movable mould, install damper between movable mould and the lifter plate.

Through adopting above-mentioned technical scheme, through installing quiet mould on a supporting bench, and install the driving cylinder in the backup pad, at the piston rod tip installation lifter plate of driving cylinder, at the bottom installation movable mould of lifter plate for liquid solidifies between movable mould and quiet mould and forms the part.

Preferably, damper includes spacing post and reset spring, the top fixed mounting of movable mould has a plurality of spacing posts that are the array and distribute, the lifter plate is sliding connection with spacing post, a plurality of spacing holes that match with spacing post are seted up to the lifter plate, fixed mounting has a plurality of reset springs that are the array and distribute between movable mould and the lifter plate, reset spring cup joints with spacing post.

Through adopting above-mentioned technical scheme, through installing a plurality of spacing posts on the movable mould, and spacing post and lifter plate sliding connection for leave the slip space between movable mould and the lifter plate, through installing reset spring between movable mould and lifter plate again, when movable mould and quiet mould impact, reset spring receives the extrusion, reduces the impact force of movable mould and quiet mould, prolongs the life of mould.

Preferably, the movable die is matched with the static die, a core is fixedly installed at the bottom end of the movable die, and the core is matched with the groove.

Through adopting above-mentioned technical scheme, through the bottom installation core at the movable mould for core and recess sliding connection make when the material returned piece is gliding, the part is fallen in the back, improves the stability of material returned process.

The utility model has the beneficial effects that:

1. through the installation to the material returned device, adjust the hydraulic pressure in the pneumatic cylinder, material returned piece and piston rod synchronous motion, the horizontal segment of material returned piece effectively prevents that the part from dropping, material returned piece and core sliding connection have improved the stationarity of material returned process.

2. Through the installation to buffer gear, the material returned stage, the impact plate receives the extrusion earlier when assaulting the part, reduces the impact force of material returned piece to the part then, has had part protect function.

In conclusion, the casting mold has the advantages that the stability of the material returning process is improved, the part protecting function is realized, the problems that the part is easy to fall off under the influence of gravity and the material returning process is unstable due to the fact that the part is clamped on the mold core after being solidified and molded when the existing casting mold is used are solved, and the casting mold is suitable for popularization.

Drawings

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

FIG. 2 is an installation structure view of the damper mechanism of the present invention;

fig. 3 is a view showing an installation structure of the mold assembly of the present invention.

Reference numbers in the figures: 1. a support table; 2. a support plate; 3. a limiting rod; 4. a hydraulic cylinder; 5. a material returning block; 6. a groove; 7. an impact plate; 8. a buffer column; 9. a buffer spring; 10. a carrying box; 11. static molding; 12. a transmission cylinder; 13. a lifting plate; 14. moving the mold; 15. a core; 16. a limiting column; 17. a return spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-2, a model core material returning mechanism, including a supporting table 1 and a supporting plate 2, a mold support is formed by fixedly mounting the supporting plate 2 on the top of the supporting table 1, a mold assembly is arranged between the supporting plate and the supporting table 1, two parallel limiting rods 3 are fixedly mounted on the top of the supporting table 1, a material returning device is mounted on the top of the supporting table 1, and the material returning device includes a hydraulic cylinder 4 and a material returning block 5, the hydraulic cylinder 4 is fixedly mounted between the two limiting rods 3, the piston rod of the hydraulic cylinder 4 is slidably arranged with the limiting rods 3, so that the piston rod of the hydraulic cylinder 4 is stably driven, the material returning block 5 is fixedly mounted on the end of the piston rod of the hydraulic cylinder 4, so that the material returning block 5 and the piston rod of the hydraulic cylinder 4 synchronously move, so that the parts on a mold core 15 stably drop, by setting the material returning block 5 to be L-shaped, make the horizontal segment of material returned piece 5 effectively prevent that the part from dropping, offer recess 6 through the top at material returned piece 5 for material returned piece 5 and core 15 sliding connection steadily promote the part and drop, install buffer gear in the one end of material returned piece 5 of keeping away from pneumatic cylinder 4.

Referring to fig. 2, buffer gear includes impingement plate 7, buffering post 8 and buffer spring 9, one end slidable mounting impingement plate 7 through keeping away from pneumatic cylinder 4 at material returned piece 5, and be close to a plurality of buffer posts 8 of one end fixed mounting of material returned piece 5 at impingement plate 7, a plurality of through-holes that match with buffering post 8 are seted up to the tip of material returned piece 5, make buffering post 8 and impingement plate 7 realize sliding connection, through fixed mounting have a plurality of buffer spring 9 between impingement plate 7 and material returned piece 5, and cup joint buffer spring 9 and buffering post 8, make impingement plate 7 when assaulting the part, buffer spring 9 receives the extrusion, reduce the impact force of material returned piece 5 to the part, part protect function has been had.

Referring to fig. 1, a bearing box 10 is arranged at the top end of a support table 1, and a rubber layer is arranged in the bearing box 10, so that when a part falls off into the bearing box 10, the rubber layer plays a role in buffering, and has a protection function on the part.

Referring to fig. 3, the mold assembly includes a stationary mold 11, a driving cylinder 12, a lifting plate 13 and a movable mold 14, the stationary mold 11 is installed on a supporting table 1, the driving cylinder 12 is installed on a supporting plate 2, the lifting plate 13 is installed at the end of a piston rod of the driving cylinder 12, the movable mold 14 is installed at the bottom end of the lifting plate 13, so that liquid is solidified between the movable mold 14 and the stationary mold 11 to form a part, and a damping mechanism is installed between the movable mold 14 and the lifting plate 13.

Referring to fig. 3, damper includes spacing post 16 and reset spring 17, through installing a plurality of spacing posts 16 on movable mould 14, and spacing post 16 and lifter plate 13 sliding connection for leave the sliding space between movable mould 14 and the lifter plate 13, rethread installs reset spring 17 between movable mould 14 and lifter plate 13, when movable mould 14 and quiet mould 11 assault, reset spring 17 receives the extrusion, reduces the impact force of movable mould 14 and quiet mould 11, prolongs the life of mould.

Referring to fig. 3, the movable die 14 is matched with the stationary die 11, and the core 15 is installed at the bottom end of the movable die 14, so that the core 15 is slidably connected with the groove 6, the part is removed while the material removing block 5 slides, and the stability of the material removing process is improved.

This model core material returned mechanism comprises brace table 1 and backup pad 2, and the top of brace table 1 is provided with the mould subassembly, solidifies liquid to be the part, and the top of backup pad 2 is provided with material returned device, and material returned piece 5 is provided with buffer gear near the one end of core 15, reduces the impact of material returned piece 5 to the part, with the part material returned after the shaping, and the top of brace table 1 is installed and is born box 10, and the part falls into automatically and bears in the box 10.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims (7)

1. The utility model provides a model core material returned mechanism, includes brace table (1) and backup pad (2), its characterized in that, the top fixed mounting who props up brace table (1) has backup pad (2), the top fixed mounting who props up brace table (1) has two gag lever post (3) that are parallel arrangement, material returned device is installed on the top of brace table (1), just material returned device includes pneumatic cylinder (4) and material returned piece (5), two fixed mounting has pneumatic cylinder (4) between gag lever post (3), the tailpiece of the piston rod portion fixed mounting of pneumatic cylinder (4) has material returned piece (5), the buffer gear is installed to the one end of keeping away from pneumatic cylinder (4) of material returned piece (5), mould component is installed on the top of brace table (1).

2. The model core unloading mechanism according to claim 1, wherein a piston rod of the hydraulic cylinder (4) is slidably arranged to penetrate through the limiting rod (3), the unloading block (5) is arranged in an L shape, and a groove (6) is formed at the top end of the unloading block (5).

3. The model core material returning mechanism of claim 1, characterized in that, buffer gear includes strikeplate (7), buffering post (8) and buffer spring (9), the one end slidable mounting who keeps away from pneumatic cylinder (4) of material returning block (5) has strikeplate (7), the one end fixed mounting that is close to material returning block (5) of strikeplate (7) has a plurality of buffering posts (8), a plurality of through-holes that match with buffering post (8) are seted up to the tip of material returning block (5), fixed mounting has a plurality of buffer spring (9) between strikeplate (7) and material returning block (5), buffer spring (9) cup joint with buffering post (8).

4. A pattern core unloading mechanism according to claim 1, wherein a bearing box (10) is fixedly mounted on the top end of the support platform (1), and a rubber layer is mounted on the inner wall of the bottom of the bearing box (10).

5. The model core material returning mechanism according to claim 1, wherein the mold assembly comprises a static mold (11), a transmission cylinder (12), a lifting plate (13) and a movable mold (14), the static mold (11) is fixedly installed at the top end of the support table (1), the transmission cylinder (12) is fixedly installed at the top end of the support plate (2), the lifting plate (13) is fixedly installed at the end part of an output shaft of the transmission cylinder (12), the movable mold (14) is slidably installed at the bottom end of the lifting plate (13), and a damping mechanism is installed between the movable mold (14) and the lifting plate (13).

6. The model core material returning mechanism of claim 5, wherein the damping mechanism comprises a limiting column (16) and a return spring (17), a plurality of limiting columns (16) distributed in an array are fixedly installed at the top end of the movable mold (14), the lifting plate (13) is in sliding connection with the limiting column (16), a plurality of limiting holes matched with the limiting columns (16) are formed in the lifting plate (13), a plurality of return springs (17) distributed in an array are fixedly installed between the movable mold (14) and the lifting plate (13), and the return springs (17) are sleeved with the limiting columns (16).

7. A pattern core-stripping mechanism according to claim 5, characterized in that said movable mold (14) is fitted with a stationary mold (11), a core (15) is fixedly mounted on the bottom end of said movable mold (14), and said core (15) is fitted with a recess (6).

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