Die casting machining mold convenient to demold

Abstract

The utility model discloses a die casting machining die convenient to demould, which relates to the technical field of casting machining and comprises a main die, an upper cover plate is mounted at the top of the main die through bolts, a hydraulic cylinder is embedded in the top of the upper cover plate, and a pushing plate is mounted at the output end of the hydraulic cylinder. A storage opening groove is formed in the inner wall of one side of the upper cover plate, the storage opening groove is located below the side of the pushing plate, a moving groove is formed in the back wall of the upper cover plate, a second driving motor and a second guide rod are installed in the moving groove, and the second guide rod is located below the second driving motor. The output end of the second driving motor is provided with a second lead screw, and the outer surface of the second lead screw and the outer surface of the second guide rod are sleeved with a second sliding block. After one-time demolding, the transverse brush can be operated to automatically clean the surface, making contact with a casting, of the pushing plate, so that it is guaranteed that no interference of residual chippings exists on the pushing plate during next-time demolding, and the quality of the demolded casting is improved to a certain degree.

Description

TECHNICAL FIELD

[0001] The utility model relates to foundry technology field, concretely is a kind of processing mould for die casting convenient to demould. BACKGROUND

[0002] Die casting die is an important tool for casting metal parts, by filling metal liquid into the cavity of the die, there is movable cavity surface in the die, it will be pressed forging along with the cooling process of metal liquid, the existing die casting processing die is difficult to automatically clean push plate after demoulding once, so as to ensure the quality of subsequent demoulding.

[0003] Patent document CN214768817U discloses a kind of processing mould for aluminum alloy die casting, mainly consider how to strengthen the degree of fit between upper die and lower die and precision, improve the quality of production, without considering how to automatically clean push plate after demoulding once, to avoid the influence on the demoulding of next time. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of processing mould for die casting convenient to demould, to solve the problem that die casting processing die in prior art is difficult to automatically clean push plate after demoulding once, so as to ensure the quality of subsequent demoulding.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a kind of processing mould for die casting convenient to demould, including main mould, the top of the main mould is equipped with upper cover plate by bolt, the top of the upper cover plate is embedded with hydraulic cylinder, the output end of the hydraulic cylinder is equipped with push plate, the side inner wall of the upper cover plate is equipped with receiving opening slot, receiving opening slot is located below the side of push plate, the back wall inside of the upper cover plate is equipped with moving groove, the inside of the moving groove is equipped with driving motor two and guide rod two, guide rod two is located below driving motor two, the output end of driving motor two is equipped with lead screw two, the outer surface of lead screw two and guide rod two is sleeved with sliding block two, the bottom of sliding block two is equipped with horizontal brush, and horizontal brush is located in the inside of receiving opening slot.

[0006] Preferably, the bottom of the main mould is equipped with lower cover plate by bolt, the front surface of the lower cover plate is equipped with guide plate, the bottom of the lower cover plate is equipped with electric telescopic leg, the bottom of the electric telescopic leg is equipped with base, the top of the base is equipped with conveying mechanism and rear push assembly, rear push assembly is located behind the main mould, and conveying mechanism is located in front of the main mould.

[0007] Preferably, the rear pushing assembly comprises a column mounted on the top of the base, a driving motor I and a guide rod I are mounted in the column, the guide rod I is located on one side of the driving motor I, the output end of the driving motor I is provided with a lead screw I, the outer surface of the lead screw I and the guide rod I is sleeved with a sliding block I, one end of the sliding block I is provided with an electric telescopic rod, the output end of the electric telescopic rod is provided with a side pushing plate, and the side pushing plate is located at the rear of the main mold.

[0008] Preferably, the inside of the upper cover plate is provided with a sprue, the bottom of the sprue is connected with a cross runner, and the bottom of the cross runner is uniformly provided with an inner runner.

[0009] Preferably, the inner wall of the main mold is provided with a cooling water channel for cooling the mold.

[0010] Preferably, the inside of the main mold is provided with an exhaust groove located above the cooling water channel, and the front surface of the main mold is provided with an exhaust needle.

[0011] Preferably, the two side outer walls of the main mold are provided with main support frames, and the bottom of the main support frame is connected with the top of the base.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] 1. After one-time demolding, the horizontal brush automatically cleans the surface of the contact between the ejector plate and the casting, so that there is no residual debris on the ejector plate to interfere with the next demolding, and the quality of the casting after demolding is improved to a certain extent.

[0014] 2. After the die casting is formed, the ejector plate pushes the casting in the main mold downward, so that the casting and the lower cover plate move downward together until the casting is completely separated from the main mold, then the rear pushing assembly is started to push the casting to move from the rear, and under the guidance of the guide plate, the casting slides to the conveying mechanism, and under the conveying of the conveying mechanism, the casting is sent to the next processing place, reducing the manual participation, improving the demolding efficiency to a certain extent, and ensuring the personal safety of the personnel. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0016] Figure 2 It is a cross-sectional structure schematic view of the rear pushing assembly of the utility model;

[0017] Figure 3 It is a cross-sectional structure schematic view of the cross runner of the utility model;

[0018] Figure 4 It is the cross section structure schematic view of the utility model.

[0019] Figure 5 It is the cross section structure schematic view of the utility model's cross brush.

[0020] In the figure: 1, main mould; 2, upper cover plate; 3, lower cover plate; 4, guide plate; 5, electric telescopic leg; 6, base; 7, conveying mechanism; 8, side push plate; 9, main support frame; 10, hydraulic cylinder; 11, pouring inlet; 12, stand column; 13, drive motor one; 14, guide rod one; 15, screw one; 16, sliding block one; 17, electric telescopic rod; 18, exhaust needle; 19, push plate; 20, storage opening slot; 21, cross brush; 22, drive motor two; 23, screw two; 24, guide rod two; 25, sliding block two; 26, cooling water channel; 27, straight sprue; 28, cross sprue; 29, ingate; 30, exhaust groove. DETAILED DESCRIPTION

[0021] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without creative work belong to the scope of protection of the utility model.

[0022] In the description of the utility model, it is necessary to explain that, unless there is explicit provision and limitation, the terms "mounting", "connecting", "connection" should be understood broadly, for example, can be fixed connection, can also be detachable connection, or integral connection, can be mechanical connection, can also be electrical connection, can be directly connected, can also be indirectly connected through intermediate medium, can be the communication inside two elements. For the ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0023] Please refer to Figure 1 , Figure 4 and Figure 5The utility model provides an embodiment: a kind of processing mould of die casting convenient to demould, including main mould 1, the top of main mould 1 is equipped with upper cover plate 2 by bolt, the top of upper cover plate 2 is embedded with hydraulic cylinder 10, the output end of hydraulic cylinder 10 is equipped with push plate 19, the side inner wall of upper cover plate 2 is equipped with receiving opening slot 20, receiving opening slot 20 is located in the side below push plate 19, the back wall inside of upper cover plate 2 is equipped with moving groove, drive motor no.

[0024] When casting needs to be demoulded, hydraulic cylinder 10 extends and pushes push plate 19 to approach casting, to push the casting in main mould 1 out of main mould 1, when demoulding is realized, hydraulic cylinder 10 will shorten, let push plate 19 re-enter upper cover plate 2, and after demoulding, run horizontal brush 21 to clean the surface of push plate 19 contacted with casting automatically, to ensure that there is no residual debris on push plate 19 to interfere with the next time demoulding, to a certain extent, improve the quality of casting after demoulding, run drive motor no.

[0025] Please refer to Figure 1 And Figure 2 An embodiment provided by the utility model: a kind of processing mould of die casting convenient to demould, the bottom of main mould 1 is equipped with lower cover plate 3 by bolt, the front surface of lower cover plate 3 is equipped with guide plate 4, the bottom of lower cover plate 3 is equipped with electric telescopic leg 5, the bottom of electric telescopic leg 5 is equipped with base 6, the top of base 6 is equipped with conveying mechanism 7 and rear push component, rear push component is located at the back of main mould 1, conveying mechanism 7 is located at the front of main mould 1;

[0026] Rear push component includes column 12 installed on the top of base 6, drive motor no. 1 and guide bar no. 1 are installed in the inside of column 12, guide bar no. 1 is located at one side of drive motor no. 1, the output end of drive motor no. 1 is equipped with lead screw no. 1, lead screw no. 1 and the outer surface of guide bar no. 1 are sleeved with slider no. 1, one end of slider no. 1 is equipped with electric telescopic rod 17, the output end of electric telescopic rod 17 is equipped with side push plate 8, side push plate 8 is located at the back of main mould 1;

[0027] The space formed between the main mold 1, the upper cover plate 2 and the lower cover plate 3 is a mold cavity, after the casting is cooled and formed in the mold cavity, the fixing bolts of the main mold 1 and the lower cover plate 3 are unscrewed, then the electric telescopic leg 5 is shortened to drive the lower cover plate 3 to move downwards, so that the lower cover plate 3 moves away from the main mold 1, at the same time, the ejector plate 19 pushes the casting in the main mold 1 downwards, so that the casting and the lower cover plate 3 move downwards together, until the casting is completely separated from the main mold 1, then the rear pushing assembly is started to push the casting to move from the rear and slide to the conveying mechanism 7 under the guidance of the guide plate 4, under the conveying of the conveying mechanism 7, the casting is sent to the next processing site, the manual participation is reduced, the demolding efficiency is improved to a certain extent, and the personal safety of personnel is ensured, the electric telescopic rod 17 is lengthened to push the side pushing plate 8 to move close to the casting, and the casting is pushed from the lower cover plate 3 to the guide plate 4 by the side pushing plate 8, and the height position of the side pushing plate 8 can be adjusted according to the actual demolding condition, the driving motor one 13 is operated to drive the lead screw one 15 to rotate, so that the side pushing plate 8 is always on the same horizontal line with the casting, and the demolding is facilitated.

[0028] Please refer to Figure 1 、 Figure 3 、 Figure 4 and Figure 5 , the utility model provides an embodiment: a kind of processing mold of die casting for facilitating demolding, the inside of upper cover plate 2 is equipped with direct sprue 27, the bottom of direct sprue 27 is connected with cross gate 28, and the bottom of cross gate 28 is uniformly arranged with inner gate 29, and inner gate 29 is used to inject metal liquid into the inside of main mold 1, and the top of upper cover plate 2 is equipped with pouring inlet 11, and pouring inlet 11 is located on one side of hydraulic cylinder 10, and the bottom of pouring inlet 11 is connected with the top of direct sprue 27.

[0029] The inner wall of main mold 1 is provided with cooling water channel 26, and cooling water channel 26 is used to cool the mold.

[0030] The inside of main mold 1 is equipped with exhaust groove 30, and exhaust groove 30 is located above cooling water channel 26, and the front surface of main mold 1 is equipped with exhaust needle 18.

[0031] The outer wall of both sides of main mold 1 is equipped with main support frame 9, and the bottom of main support frame 9 is connected with the top of base 6.

[0032] The delivery pipeline of the metal liquid is connected with the pouring inlet 11, the metal liquid enters the straight sprue 27, the metal liquid is guided to the cross sprue 28, the metal liquid in the straight sprue 27 is distributed to each inner sprue 29 by the cross sprue 28, the cross sprue 28 plays a role of buffering, stabilizing flow and preliminarily filtering impurities to a certain extent, the inner sprue 29 guides the metal liquid to the internal cavity, the metal liquid is guided to the main mold 1 from multiple channels through the branches of the multiple cross sprues 28, the injection efficiency of the metal liquid is improved, the die casting can be carried out after the filling of the metal liquid is completed, the air and other gases in the cavity are discharged from the exhaust groove 30 in the process of the die casting, the air holes, air lines and other defects are prevented from being formed by the gases when the metal liquid fills the mold, the compactness and surface quality of the casting are affected, meanwhile, the exhaust needle 18 is used for discharging the gases in the deep cavity of the mold, the exhaust efficiency is improved, the cooling medium is introduced into the cooling water channel 26, the mold is cooled, the die casting can be quickly and uniformly cooled and solidified, and the production efficiency and the casting quality are improved.

[0033] Working principle: the delivery pipeline of the metal liquid is connected with the pouring inlet 11, the metal liquid enters the straight sprue 27, the metal liquid is guided to the cross sprue 28 and distributed to each inner sprue 29, finally, the metal liquid is injected into the main mold 1, the die casting can be carried out after the filling of the metal liquid is completed, the air and other gases in the cavity are discharged from the exhaust groove 30 in the process of the die casting, the air holes, air lines and other defects are prevented from being formed by the gases when the metal liquid fills the mold, the cooling medium is introduced into the cooling water channel 26, the mold is cooled, after cooling, the die casting is pushed to the conveying mechanism 7 by the push plate 19 and the side push plate 8, under the conveying of the conveying mechanism 7, the casting is sent to the next processing place.

[0034] The device embodiments described above are only schematic, and units described as separate components can or can not be physically separate, and the components shown as units can or can not be physical units, that is, can be located in one place, or can be distributed on multiple network units. Part or all of the modules can be selected to achieve the purpose of the embodiment according to actual needs. Those skilled in the art can understand and implement it without creative labor.

[0035] It is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and can be realized in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-limiting, the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims involved.

Claims

1. A machining die for a die casting with easy demolding, characterized by: The system includes a main mold (1), a top cover plate (2) is bolted to the top of the main mold (1), a hydraulic cylinder (10) is embedded in the top of the top cover plate (2), a push plate (19) is installed at the output end of the hydraulic cylinder (10), a receiving opening slot (20) is opened on one side of the inner wall of the top cover plate (2), the receiving opening slot (20) is located below the push plate (19), a moving slot is opened inside the back wall of the top cover plate (2), a second drive motor (22) and a second guide rod (24) are installed inside the moving slot, the second guide rod (24) is located below the second drive motor (22), a second lead screw (23) is installed at the output end of the second drive motor (22), a second slider (25) is sleeved on the outer surface of the second lead screw (23) and the second guide rod (24), a horizontal brush (21) is installed at the bottom of the second slider (25), and the horizontal brush (21) is located inside the receiving opening slot (20).

2. The machining die for a die casting with easy demolding according to claim 1, characterized in that: The bottom of the main mold (1) is bolted with a lower cover plate (3), a guide plate (4) is mounted on the front of the lower cover plate (3), an electric telescopic leg (5) is mounted on the bottom of the lower cover plate (3), a base (6) is mounted on the bottom of the electric telescopic leg (5), a conveying mechanism (7) and a push assembly are mounted on the top of the base (6), the push assembly is located behind the main mold (1), and the conveying mechanism (7) is located in front of the main mold (1).

3. The machining die for a die casting with easy demolding according to claim 2, characterized in that: The push assembly includes a column (12) mounted on the top of the base (6). Inside the column (12) are a drive motor (13) and a guide rod (14). The guide rod (14) is located on one side of the drive motor (13). A lead screw (15) is mounted on the output end of the drive motor (13). A slider (16) is sleeved on the outer surface of the lead screw (15) and the guide rod (14). An electric telescopic rod (17) is mounted on one end of the slider (16). A side push plate (8) is mounted on the output end of the electric telescopic rod (17). The side push plate (8) is located behind the main mold (1).

4. The process mold for a die casting with easy demolding according to claim 1, wherein: The upper cover plate (2) has a sprue (27) inside, and the bottom of the sprue (27) is connected to a gating system (28). The bottom of the gating system (28) is evenly arranged with ingates (29). The ingates (29) are used to inject molten metal into the main mold (1). The top of the upper cover plate (2) is equipped with a pouring inlet (11). The pouring inlet (11) is located on one side of the hydraulic cylinder (10), and the bottom of the pouring inlet (11) is connected to the top of the sprue (27).

5. The process mold for a die casting with easy demolding according to claim 1, wherein: The inner wall of the main mold (1) is provided with cooling water channels (26), which are used to cool the mold.

6. The process mold for a die casting with easy demolding according to claim 5, wherein: The main mold (1) has an exhaust groove (30) inside, which is located above the cooling water channel (26). An exhaust pin (18) is installed on the front of the main mold (1).

7. The process mold for a die casting with easy demolding according to claim 2, characterized in that: The main mold (1) has main support frames (9) installed on both outer walls, and the bottom of the main support frame (9) is connected to the top of the base (6).

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