CN218283680U - Integral demolding and die-casting die for inner insert - Google Patents

Abstract

The utility model discloses an integral demolding and die-casting die for an insert, which belongs to the technical field of dies, the utility model discloses a lower die is arranged on the upper part of a base, a demolding disc is arranged at the port part of the upper part of the lower die, and a positioning die which is in the same horizontal plane with the demolding disc is arranged on the upper part of the base, so that the demolding disc and the positioning die can form a die core, and an elastic resetting piece for driving the demolding disc to drive the insert to move upwards is arranged in the inner cavity of the lower die, so that the effect that the formed insert is separated from the positioning die and is convenient to take the insert out of the demolding disc can be achieved; the sliding block matched with the lower die to work is arranged above the lower die, the racks are arranged on two sides of the sliding block, driving pieces used for driving the racks to drive the sliding block to move up and down relative to the lower die are arranged on two sides of the lower die, the demoulding disc can be fixed on the lower die when the sliding block is attached to the lower die, and a pouring pipeline convenient for pouring metal liquid into the demoulding disc is arranged inside the sliding block.

Description

Integral demolding and die-casting die for inner insert

Technical Field

The utility model relates to the technical field of mold, in particular to integral demolding die casting die of interior inserts.

Background

The die casting die is a tool for casting metal parts, and is a tool for completing a die casting process on a special die casting die forging machine, and the basic process of die casting comprises the following steps: the molten metal is cast at low speed or high speed and filled into the cavity of the mold, the mold has movable cavity surface, and it is pressurized and forged with the cooling process of the molten metal, so that the shrinkage cavity and shrinkage porosity defect of the blank is eliminated, and the internal structure of the blank reaches the broken crystal grains in the forged state.

But some current die casting moulds when casting to the mould, need take out embedded mould from die casting mould's inside after accomplishing the mould casting, because the surface of interior inserts has certain temperature, the staff can be scalded if the staff directly removes the contact with the hand, if the surface that the inserts has the temperature with die casting mould's surface after the long-time contact, then the surface that can make interior inserts glues and glues on die casting mould's side seam, and then lead to interior inserts to be difficult to take out from die casting mould's inside, influence die casting mould's production efficiency from this.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an integral demolding die casting die of interior inserts is convenient for take out embedded die from die casting die's inside to further improvement die casting die's production efficiency.

For solving the technical problem, the utility model discloses a technical scheme:

an integral demolding and die-casting die with an inner insert comprises

A base;

the lower die is arranged at the upper part of the base in a hollow structure, a rectangular through hole communicated with the inner cavity of the lower die is formed in the upper part of the lower die, and a groove is formed in the edge of the opening of the lower die;

the demolding assembly is arranged in an inner cavity of the lower mold and comprises a demolding plate and elastic resetting pieces, outer flanges are formed outwards in the radial direction on the peripheries of the end openings of the demolding plate, the outer flanges are clamped in the grooves, the elastic resetting pieces are arranged on two sides of the demolding plate, one end of each elastic resetting piece is fixedly connected with the lower portion of the demolding plate, and the other end of each elastic resetting piece is connected with the upper portion of the lower mold;

the positioning die is arranged at the rectangular through hole and extends to the upper part of the base, the demolding disc is sleeved on the positioning die in a sliding mode, and the upper surface of the positioning die and the inner surface of the demolding disc are positioned on the same horizontal plane to form a die core;

the slider is located the top of lower mould, the lower part of slider be provided with the last mould that the drawing of patterns dish suited, the pouring pipeline has been seted up to the positive central point department of slider, just the pouring pipeline passes go up the mould and with the inner chamber of drawing of patterns dish is linked together, the both sides of slider all are provided with the rack, the top both sides of lower mould all are provided with and are used for the drive the rack drives the driving piece that the slider reciprocated.

According to some embodiments, the driving member is provided at both sides of the upper portion of the lower mold by a bracket.

According to some embodiments, the output end of the driving part is in transmission connection with a rotating shaft, the rotating shaft is longitudinally and rotatably arranged on the support, a gear meshed with the rack is fixedly arranged at one end of the rotating shaft, the driving part drives the rotating shaft to drive the gear to rotate, and under the meshing action of the gear and the rack, the rack drives the sliding block to drive the upper die to move up and down.

According to some embodiments, sliding rods are arranged on two sides of the upper portion of the sliding block, sliding rails are arranged on two sides of the lower die, and the sliding rods are arranged in the sliding rails in a sliding mode.

According to some embodiments, a limiting block is fixedly arranged at the lower part of the sliding rod, and an inner flange adapted to the limiting block is formed radially inwards at the upper part of the sliding rail.

According to some embodiments, a buffer spring is disposed within the slide rail.

According to some embodiments, the slider is pivotably hinged to a cover for closing the pouring duct.

According to some embodiments, the inner surface of the stripper plate, the upper surface of the outer flange, and the upper surface of the positioning die are coated with a release layer.

According to some embodiments, a sealing ring is sleeved on the periphery of the positioning die, which is in contact with the demolding disc.

Has the advantages that:

1. the lower die is arranged on the upper portion of the base, the demoulding disc is arranged at the port of the upper portion of the lower die, the positioning die which is located on the same horizontal plane with the demoulding disc is arranged on the upper portion of the base, the demoulding disc and the positioning die can form a die core for forming the inner insert, and the elastic reset piece used for driving the demoulding disc to drive the inner insert to move upwards is arranged in the inner cavity of the lower die, so that the effect that the formed inner insert is separated from the positioning die and is convenient to take out the inner insert from the demoulding disc can be achieved.

2. The upper side of the lower die is provided with the sliding block which is matched with the lower die to work, the two sides of the sliding block are provided with the racks, and the two sides of the upper portion of the lower die are provided with the driving pieces which are used for driving the racks to drive the sliding block to move up and down relative to the lower die, so that when the sliding block is attached to the lower die relatively, the demoulding disc can be fixed on the lower die, and a pouring pipeline which is convenient for metal liquid to be poured into the demoulding disc is arranged inside the sliding block.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

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

fig. 2 is a side view of the present invention;

FIG. 3 isbase:Sub>A cross-sectional view taken at A-A shown in FIG. 2;

FIG. 4 is a cross-sectional view of the base, lower mold, demolding assembly and positioning mold of the present invention;

FIG. 5 is a partial enlarged view of the area B shown in FIG. 4;

fig. 6 is an exploded view of the present invention.

In the figure, 1 a base, 2 a lower die, 21 a rectangular through hole, 22 a groove, 23 a driving part, 24 a bracket, 25 a rotating shaft, 26 a gear, 27 a sliding rail, 271 an inner flange, 272 a buffer spring, 3 a demoulding component, 31 a demoulding disc, 311 an outer flange, 32 an elastic resetting part, 4 a positioning die, 5 a sliding block, 51 an upper die, 52 a pouring pipeline, 53 a rack, 54 a sliding rod, 541 a limiting block and 55 a cover body.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, the terms greater than, less than, exceeding, etc. are understood to exclude the present numbers, and the terms above, below, inside, etc. are understood to include the present numbers. If there is a description of first and second for the purpose of distinguishing technical features only, this is not to be understood as indicating or implying a relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1 to 6, an integral type demolding and die-casting die with an insert comprises a base 1, a lower die 2, a demolding assembly 3, a positioning die 4 and a sliding block 5.

The lower die 2 is arranged at the upper part of the base 1 in a hollow structure, a rectangular through hole 21 communicated with the inner cavity of the lower die 2 is formed in the upper part of the lower die 2, and a groove 22 is formed in the edge of the opening of the lower die 2; the demoulding assembly 3 is arranged in the inner cavity of the lower mould 2, the demoulding assembly 3 comprises a demoulding disc 31 and elastic resetting pieces 32, outer flanges 311 are formed outwards in the radial direction on the peripheries of the port parts of the demoulding disc 31, the outer flanges 311 are clamped in the grooves 22, the elastic resetting pieces 32 are arranged on the two sides of the demoulding disc 31, namely, the elastic resetting pieces 32 are positioned on one side of the outer flanges 311, one end of each elastic resetting piece 32 is fixedly connected with the lower part of the demoulding disc 31, and the other end of each elastic resetting piece is connected with the upper part of the lower mould 2; when the stripper plate 31 is under the downward pressure from the outside, at this time, the outer flange 311 of the stripper plate 31 can be just clamped in the groove 22 at the upper part of the lower mold 2, so that the stripper plate 31 can be fixed on the lower mold 2, and the elastic restoring piece 32 is under the pressure, so that the elastic restoring piece 32 is in a compressed state; when the drawing of patterns dish 31 is not receiving external pressure's the condition, this moment, elasticity resets 32 has and is the state that resumes, and elasticity resets 32 and has the pushing force of a direction, promotes drawing of patterns dish 31 rebound, and the recess 22 on lower mould 2 upper portion then can be kept away from to the outer flange 311 of drawing of patterns dish 31 for when interior inserts kept away from lower mould 2, can be convenient for take out interior inserts from drawing of patterns dish 31.

In some embodiments, the resilient return 32 may be provided as a spring and a series of replaceable resilient items that may be in a compressed state like a spring.

In another embodiment, specifically, the elastic restoring element 32 includes a first rod and a second rod distributed up and down, the first rod is hollow, the second rod is slidably sleeved in the inner cavity of the first rod, and a spring is disposed between one end of the second rod sliding in the inner cavity of the first rod and the upper portion of the inner cavity of the first rod, one end of the spring is fixedly connected to the upper portion of the inner cavity of the first rod, and the other end of the spring is fixedly connected to the upper end of the second rod.

In some embodiments, to further facilitate removing the forming mold from the knockout plate 31, notches are formed on the left and right outer flanges 311 or the front and rear outer flanges 311 of the knockout plate 31.

Positioning die 4, locate rectangle through-hole 21 department, and extend to the upper portion of base 1, drawing of patterns dish 31 slides and cup joints on positioning die 4, and positioning die 4's upper surface and drawing of patterns dish 31's inside surface are in same horizontal plane, form a mold core, make drawing of patterns dish 31 outer flange 311 can just be nipped in the recess 22 on lower mould 2 upper portion, positioning die 4's upper surface and drawing of patterns dish 31's inside surface are in same horizontal plane, at this moment, just form one and can let the fashioned model of interior inserts.

The sliding block 5 is arranged above the lower die 2, an upper die 51 which is matched with the demoulding disc 31 is arranged at the lower part of the sliding block 5, a pouring pipeline 52 is arranged at the right center of the sliding block 5, the pouring pipeline 52 penetrates through the upper die 51 and is communicated with the inner cavity of the demoulding disc 31, racks 53 are arranged on two sides of the sliding block 5, and driving pieces 23 which are used for driving the racks 53 to drive the sliding block 5 to move up and down are arranged on two sides of the top of the lower die 2; when the driving part 23 drives the rack 53 to drive the slider 5 to move downwards to be attached to the lower die 2, at this time, under the pressure action of the slider 5, the outer flange 311 of the demolding disc 31 is just clamped in the groove 22 of the lower die 2, the upper surface of the positioning die 4 and the inner surface of the demolding disc 31 are in the same horizontal plane, and the inner insert can be formed under the action of a die core formed by the upper die 51, the demolding disc 31 and the positioning die 4; wherein, the metal liquid for inner insert molding can be poured into the stripper plate 31 through the pouring pipe 52.

In some embodiments, the base 1 is provided with a controller for simultaneously activating the corresponding driving members 23, so that the corresponding driving members 23 synchronously drive the slide blocks 5 to move the upper mold 51 closer to or away from the lower mold 2, thereby avoiding the slide blocks 5 from being unbalanced.

As shown in fig. 1, 3 and 6, the driving member 23 is disposed on both sides of the upper portion of the lower mold 2 through brackets 24, so as to facilitate the installation of the driving member 23 and improve the installation stability of the driving member 23.

With reference to fig. 1, 3 and 6, the output end of the driving member 23 is connected to a rotating shaft 25 in a transmission manner, the rotating shaft 25 is longitudinally and rotatably disposed on the bracket 24, a gear 26 engaged with the rack 53 is fixedly disposed at one end of the rotating shaft 25, the driving member 23 drives the rotating shaft 25 to drive the gear 26 to rotate, and under the engagement action of the gear 26 and the rack 53, the rack 53 drives the slider 5 to drive the upper mold 51 to move up and down. When the driving part 23 rotates forward, the driving part 23 drives the rotating shaft 25 to drive the gear 26 to rotate forward, the gear 26 drives the rack 53 to drive the slider 5 to move upward, and the upper die 51 moves upward together with the slider 5 and is far away from the top surface of the lower die 2; when the driving member 23 rotates reversely, the driving member 23 drives the rotating shaft 25 to rotate the gear 26 reversely, the gear 26 drives the rack 53 to move the slider 5 downwards, and the upper mold 51 moves downwards close to the top surface of the lower mold 2 along with the slider 5.

Referring to fig. 3 and 6, sliding rods 54 are disposed on both sides of the upper portion of the sliding block 5, sliding rails 27 are disposed on both sides of the lower mold 2, and the sliding rods 54 are slidably disposed in the sliding rails 27 for guiding the sliding block 5 to move up and down.

As further shown in fig. 5 and 6, a limiting block 541 is fixedly disposed at a lower portion of the sliding rod 54, and an inner flange 271 adapted to the limiting block 541 is formed radially inward at an upper portion of the sliding rail 27 to limit the sliding block 5, so as to prevent the sliding block 5 from falling off from the lower die 2 when moving to the limit, and further facilitate the up-and-down movement of the sliding block 5.

To be further described, a buffer spring 272 is disposed in the slide rail 27 to prevent the driving member 23 from damaging the lower mold 2, the stripper plate 31 and the positioning mold 4 when the fast moving slide 5 moves the upper mold 51 downward.

Referring to fig. 1, 3 and 6, the sliding block 5 is hinged with a cover 55 in a reversible manner, and the cover 55 is used for sealing the pouring pipe 52 to prevent flammable and explosive particles from falling into the mold core and causing unnecessary accidents with high-temperature metal liquid.

Further explanation, the antiseized layer has all been smeared to the internal surface of drawing of patterns dish 31, the upper surface of outer flange 311 and the upper surface of positioning die 4, is convenient for take out fashioned work piece, avoids causing the surface damage to the shaping work piece at the in-process of taking out, and antiseized layer possesses high temperature resistant, the performance effect of antiseized stickness.

Furthermore, a sealing ring is sleeved around the contact part of the positioning die 4 and the demoulding disc 31, so that the situation that high-temperature metal liquid flows out from the surrounding gap of the contact part of the positioning die 4 and the demoulding disc 31 to further cause unnecessary accidents and damage to the device is avoided, and the sealing ring has high-temperature resistance.

The utility model discloses a working method as follows: firstly, when the controller simultaneously starts the corresponding driving parts 23 to rotate reversely, the corresponding driving parts 23 drive the corresponding rotating shafts 25 to drive the corresponding gears 26 to rotate reversely, the corresponding gears 26 drive the corresponding racks 53 to drive the sliders 5 to move downwards, the upper die 51 moves downwards together with the sliders 5 to be close to the upper surface of the lower die 2, at the moment, the outer flange 311 is just clamped in the groove 22, the upper surface of the positioning die 4 and the inner surface of the demoulding disc 31 are positioned on the same horizontal plane, the elastic resetting part 32 is in a compression state, so that a die core for forming the inner insert can be formed under the action of the states of the demoulding disc 31 and the positioning die 4 at the moment, then, metal liquid is poured into the die core through the pouring pipeline 52 until the die core is filled to a full state, and the inner insert is cooled and formed under the action of the die core formed by the upper die 51, the demoulding disc 31 and the positioning die 4; finally, when the corresponding driving member 23 rotates forward, the corresponding driving member 23 drives the corresponding rotating shaft 25 to drive the corresponding gear 26 to rotate forward, the corresponding gear 26 drives the corresponding rack 53 to move upward to drive the slider 5, the upper die 51 moves upward together with the slider 5 and gradually moves away from the lower surface of the lower die 2, at this time, the corresponding elastic resetting member 32 is in a recovery state, the lower portion of the stripper plate 31 is pushed to move upward, and the lower portion of the insert is driven to separate from the upper surface of the positioning die 4, and the upper surface of the outer flange 311 of the stripper plate 31 is attached to the lower surface of the slider 5 until the slider 5 is far away from the elastic resetting member 32 and extends to the limit upper side of the elastic resetting member 32, and at this time, a worker can conveniently take out the insert from the stripper plate 31 from the notch 311 of the outer flange 311.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the gist of the present invention within the knowledge range of those skilled in the art.

Claims (9)

1. The utility model provides an integral demolding die casting die of interior inserts which characterized in that includes:

a base (1);

the lower die (2) is arranged on the upper part of the base (1) in a hollow structure, a rectangular through hole (21) communicated with the inner cavity of the lower die (2) is formed in the upper part of the lower die (2), and a groove (22) is formed in the edge of an opening of the lower die (2);

the demolding assembly (3) is arranged in an inner cavity of the lower mold (2), the demolding assembly (3) comprises a demolding disc (31) and elastic resetting pieces (32), outer flanges (311) are formed outwards in the radial direction on the peripheries of ports of the demolding disc (31), the outer flanges (311) are clamped in the grooves (22), the elastic resetting pieces (32) are arranged on two sides of the demolding disc (31), one end of each elastic resetting piece (32) is fixedly connected with the lower portion of the demolding disc (31), and the other end of each elastic resetting piece is connected with the upper portion of the lower mold (2);

the positioning die (4) is arranged at the rectangular through hole (21) and extends to the upper part of the base (1), the demolding disc (31) is sleeved on the positioning die (4) in a sliding mode, the upper surface of the positioning die (4) and the inner surface of the demolding disc (31) are located on the same horizontal plane, and a die core is formed;

slider (5) is located the top of lower mould (2), the lower part of slider (5) be provided with mould (51) that drawing of patterns dish (31) suited, pouring pipeline (52) have been seted up to the positive central point department of slider (5), just pouring pipeline (52) are passed go up mould (51) and with the inner chamber of drawing of patterns dish (31) is linked together, the both sides of slider (5) all are provided with rack (53), the top both sides of lower mould (2) all are provided with and are used for the drive rack (53) drive driving piece (23) that slider (5) reciprocated.

2. The insert-integrated type die-casting and die-casting mold as claimed in claim 1, wherein the driving member (23) is provided on both sides of the upper portion of the lower mold (2) through a bracket (24).

3. The integral type insert demolding and die-casting die as claimed in claim 2, wherein a rotating shaft (25) is connected to an output end of the driving piece (23) in a transmission mode, the rotating shaft (25) is longitudinally and rotatably arranged on the support (24), a gear (26) meshed with the rack (53) is fixedly arranged at one end of the rotating shaft (25), the driving piece (23) drives the rotating shaft (25) to drive the gear (26) to rotate, and under the meshing effect of the gear (26) and the rack (53), the rack (53) drives the sliding block (5) to drive the upper die (51) to move up and down.

4. The integral type insert demolding and die-casting die as claimed in claim 1, wherein sliding rods (54) are arranged on two sides of the upper portion of the sliding block (5), sliding rails (27) are arranged on two sides of the lower die (2), and the sliding rods (54) are slidably arranged in the sliding rails (27).

5. The integral type insert demolding and die-casting die as claimed in claim 4, wherein a limiting block (541) is fixedly arranged at the lower portion of the sliding rod (54), and an inner flange (271) corresponding to the limiting block (541) is formed radially inwards at the upper portion of the sliding rail (27).

6. The insert-integrated type die casting mold as claimed in claim 5, wherein a buffer spring (272) is provided in said slide rail (27).

7. The insert-integrated type diecasting mold as claimed in claim 1, wherein said slide (5) is pivotably hinged to a cover (55), said cover (55) closing the pouring duct (52).

8. The insert-integrated type die-casting die as claimed in claim 1, wherein the inner surface of the die-casting disc (31), the upper surface of the outer flange (311) and the upper surface of the positioning die (4) are coated with anti-sticking layers.

9. The integral type demolding and die-casting die with the insert as claimed in claim 1, wherein a sealing ring is sleeved on the periphery of the positioning die (4) which is in contact with the demolding disc (31).

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