Die-casting die capable of rapidly replacing die core

Abstract

The utility model belongs to the technical field of die-casting dies, and particularly relates to a die-casting die capable of quickly replacing a die core, which comprises a die bottom plate, the top of the mold bottom plate is fixedly connected with a mold main body; the top, away from the mold body, of the mold bottom plate is fixedly connected with a first electric push rod. The rod head of the first electric push rod is fixedly connected with a first push plate; a second electric push rod is fixedly connected to the inner side wall of the mold body. The second electric push rods are symmetrically arranged on the inner side wall of the mold body. The other ends of the pair of second electric push rods are fixedly connected with a second push plate; in the working process, the second electric push rod pushes the second push plate to make contact with the mold bottom plate, the replaceable mold core is placed in front of the first push plate, the first electric push rod pushes the first push plate, and after pouring is completed, the mold core is taken out, and a new mold core is pushed in; according to the step, the time for waiting for mold cooling and demolding is utilized, the time for waiting for cooling is shortened, and the casting process flow degree is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of die-casting molds, in particular to a die-casting mold for quickly replacing a mold core. Background Art

[0002] In the manufacturing industry, some parts are produced using die-casting technology. In die-casting technology, the die-casting mold is more important.

[0003] A die-casting mold is a mold used to manufacture metal parts. The molten metal solution is poured into the mold for forming. This process is performed on a dedicated machine to complete the die-casting steps and manufacture parts.

[0004] In the die-casting process, after the molten metal liquid is poured, it is necessary to wait for the parts to solidify and cool before demolding, which causes inconvenience to the casting process.

[0005] To this end, the utility model provides a die-casting mold with a quick replacement mold core. Utility Model Content

[0006] In order to make up for the deficiencies of the prior art, at least one technical problem raised in the background technology is solved.

[0007] The technical solution adopted by the utility model to solve its technical problems is: a die-casting mold for quickly replacing mold cores described in the utility model comprises a mold base plate; a mold body is fixedly connected to the top of the mold base plate; a No. 1 electric push rod is fixedly connected to the top of the mold base plate away from the mold body; a No. 1 electric push rod head is fixedly connected to a No. 1 push plate; a No. 2 electric push rod is fixedly connected to the inner side wall of the mold body; the No. 2 electric push rod is symmetrically arranged on the inner side wall of the mold body; a pair of No. 2 electric push rods are fixedly connected to the No. 2 push plate at the other end; a mold pouring hole is opened on the top of the mold body and is arranged in pairs; a mold inlet groove is opened on the side of the mold body close to the No. 1 electric push rod; in this step, the mold core can be pushed into the mold body for pouring, and the mold core can be made into a replaceable mold core. After pouring is completed, the new mold core is pushed out and replaced, and the time waiting for the mold to cool and demold is utilized, which reduces the time waiting for cooling and improves the smoothness of the casting process.

[0008] Preferably, a lower mold core is arranged inside the mold body; an upper mold core is arranged on the top of the lower mold core; the lower mold core and the upper mold core are fixedly connected by fixing bolts; mold core pouring holes are opened on the top of the upper mold core, and are arranged in pairs; a No. 3 electric push rod is fixedly connected to the top of the mold bottom plate away from the No. 2 electric push rod, and multiple groups are arranged; multiple groups of No. 3 electric push rod heads are fixedly connected to No. 3 push plates; in this step, the replaceable mold core is pushed out of the mold body by the No. 3 push plate after pouring, and the new mold core can be prepared in front of the No. 1 push plate, which is convenient for production.

[0009] Preferably, a positioning bracket is fixedly connected to the top of the mold body; a sliding groove is provided on the inner side wall of the positioning bracket; a No. 4 electric push rod is fixedly connected to the top of the positioning bracket, and multiple groups are provided; the other ends of the multiple groups of No. 4 electric push rods are fixedly connected to positioning plates; the positioning plates slide in the sliding grooves of the inner side walls of the positioning bracket; positioning columns are fixedly connected to the bottom of the positioning plates, and are provided in pairs; a support plate is fixedly connected to the side of the positioning bracket; the bottom of the support plate is fixedly connected to the top of the mold body; in this step, the upper mold core is positioned to a suitable position by the positioning columns, which makes it easier to enter during pouring, reduces the phenomenon of hollowing, and improves the quality of the product.

[0010] Preferably, rollers are provided in the middle of the mold bottom plate away from the No. 3 electric push rod, and multiple groups of rollers are provided; the middle parts of the multiple groups of rollers are rollingly connected with axles; both ends of the axles are fixed inside the mold bottom plate; in this step, when the lower mold core and the upper mold core are pushed out, the rollers reduce the friction between the bottom of the lower mold core and the mold bottom plate, reduce wear, and increase the service life of the mold core.

[0011] Preferably, an air nozzle is arranged in the middle of the No. 3 push plate; the end of the air nozzle is flush with the side of the No. 3 push plate; this step reduces the heat generated during pouring and reduces the possibility of the mold core getting stuck in the mold body.

[0012] Preferably, a sealing groove is provided at the top of the lower mold core; a sealing groove is provided at the bottom of the upper mold core; sealing rings are provided in the sealing grooves of the lower mold core and the upper mold core; this step reduces the risk of leakage during pouring and improves product quality.

[0013] The beneficial effects of the utility model are as follows:

[0014] 1. The utility model discloses a die-casting mold with a quick-change mold core. The mold core can be pushed into the mold body for pouring, and the mold core is made into a replaceable mold core. After pouring, the mold core is pushed out and replaced with a new one, which utilizes the time for waiting for the mold to cool and demould, reduces the time for waiting for cooling, and improves the flow of the casting process.

[0015] 2. The utility model discloses a die-casting mold for quickly replacing mold cores. By pushing the lower mold core and the upper mold core out of the mold body, the replaceable mold core is pushed out of the mold body by the No. 3 push plate after the pouring is completed. At the same time, the new mold core can be prepared in front of the No. 1 push plate, which is convenient for production. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The utility model will be further described below in conjunction with the accompanying drawings.

[0017] Figure 1 It is a three-dimensional diagram of the die-casting mold in the utility model;

[0018] Figure 2 It is a structural schematic diagram of the mold bottom plate in the utility model;

[0019] Figure 3 It is a structural schematic diagram of the mold core in the utility model;

[0020] Figure 4 It is a structural schematic diagram of the roller in the utility model;

[0021] In the figure: 1. mold base plate; 11. mold body; 12. No. 1 electric push rod; 13. No. 1 push plate; 14. No. 2 electric push rod; 15. No. 2 push plate; 16. mold pouring hole; 17. mold inlet groove; 2. lower mold core; 21. upper mold core; 22. fixing bolt; 23. mold core pouring hole; 24. No. 3 electric push rod; 25. No. 3 push plate; 3. positioning bracket; 31. No. 4 electric push rod; 32. positioning plate; 33. positioning column; 34. support plate; 4. roller; 41. axle; 5. air nozzle; 6. sealing ring; 7. thermocouple thermometer. DETAILED DESCRIPTION

[0022] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0023] like Figure 1 to Figure 2 As shown, a die-casting mold for quickly replacing mold cores described in an embodiment of the utility model includes a mold base plate 1; a mold body 11 is fixedly connected to the top of the mold base plate 1; a No. 1 electric push rod 12 is fixedly connected to the top of the mold base plate 1 away from the mold body 11; the No. 1 electric push rod 12 is fixedly connected to the head of the No. 1 push rod 12. A No. 1 push plate 13 is fixedly connected to the inner wall of the mold body 11. The No. 2 electric push rod 14 is symmetrically arranged on the inner wall of the mold body 11; a pair of No. 2 electric push rods 14 are fixedly connected to the other end of a No. 2 push plate 15; a mold pouring hole 16 is opened on the top of the mold body 11, and is arranged in pairs; the mold body 11 is close to the No. 1 electric push rod A mold inlet groove 17 is provided on the side of 12; during operation, the No. 2 electric push rod 14 pushes the No. 2 push plate 15 to contact the mold bottom plate 1, and the replaceable mold core is placed in front of the No. 1 push plate 13. The No. 1 electric push rod 12 pushes the No. 1 push plate 13 to push the mold core into the mold body 11 through the mold inlet groove 17, and the molten metal solution is poured into the mold core through the mold pouring hole 16. After pouring, the mold core is taken out and a new mold core is pushed in; in this step, the mold core can be pushed into the mold body 11 for pouring, and the mold core can be made into a replaceable mold core. After pouring, the new mold core is pushed out and replaced, and the time waiting for the mold to cool and demould is utilized, which reduces the time waiting for cooling and improves the smoothness of the casting process.

[0024] like Figures 2 to 4As shown, a lower mold core 2 is arranged inside the mold body 11; an upper mold core 21 is arranged on the top of the lower mold core 2; the lower mold core 2 and the upper mold core 21 are fixedly connected by fixing bolts 22; mold core pouring holes 23 are opened on the top of the upper mold core 21, and they are arranged in pairs; the top of the mold bottom plate 1 away from the No. 2 electric push rod 14 is fixedly connected to the No. 3 electric push rod 24, and multiple groups are arranged; the heads of the multiple groups of No. 3 electric push rods 24 are fixedly connected to the No. 3 push plates 25; during operation, the lower mold The core 2 is pushed into the mold body 11, and the molten metal solution enters the mold core pouring hole 23 through the mold pouring hole 16, and flows into the lower mold core 2 and the upper mold core 21. After the pouring is completed, the No. 2 electric push rod 14 rises, and the No. 3 electric push rod 24 pushes the No. 3 push plate 25 to push the lower mold core 2 and the upper mold core 21 out of the mold body 11; in this step, the replaceable mold core is pushed out of the mold body 11 by the No. 3 push plate 25 after the pouring is completed, and the new mold core can be prepared in front of the No. 1 push plate 13 to facilitate production.

[0025] like Figure 1 As shown, the top of the mold body 11 is fixedly connected to a positioning bracket 3; the inner side wall of the positioning bracket 3 is provided with a sliding groove; the top of the positioning bracket 3 is fixedly connected to a No. 4 electric push rod 31, and multiple groups are provided; the other end of the multiple groups of No. 4 electric push rods 31 is fixedly connected to a positioning plate 32; the positioning plate 32 slides in the sliding groove of the inner side wall of the positioning bracket 3; the bottom of the positioning plate 32 is fixedly connected to a positioning column 33, and is provided in pairs; the side of the positioning bracket 3 is fixedly connected to a support plate 34; the bottom of the support plate 34 is fixedly connected to the mold The top of the mold body 11; during operation, after the lower mold core 2 and the upper mold core 21 are pushed into the mold body 11, the No. 4 electric push rod 31 pushes the positioning plate 32 and the positioning column 33 to move downward, and the positioning column 33 passes through the mold pouring hole 16 and enters the mold core pouring hole 23, so that the mold pouring hole 16 and the mold core pouring hole 23 are in the same straight line, and the support plate 34 is fixed to the side of the positioning bracket 3; in this step, the upper mold core 21 is positioned to a suitable position by the positioning column 33, so that it is easier to enter during pouring, reducing the phenomenon of hollowing and improving the quality of the product.

[0026] like Figure 4 As shown, the mold base plate 1 is provided with rollers 4 in the middle away from the No. 3 electric push rod 24, and multiple groups are provided; the middle of the multiple groups of rollers 4 are rollingly connected with axles 41; both ends of the axles 41 are fixed inside the mold base plate 1; during operation, after pouring is completed, the No. 3 push plate 25 pushes the lower mold core 2 and the upper mold core 21 out of the mold body 11, and the bottom of the lower mold core 2 rolls with the rollers 4; in this step, when pushing out the lower mold core 2 and the upper mold core 21, the rollers 4 reduce the friction between the bottom of the lower mold core 2 and the mold base plate 1, reduce wear, and increase the service life of the mold core.

[0027] like Figures 2 to 4As shown, an air nozzle 5 is arranged in the middle of the No. 3 push plate 25; the end of the air nozzle 5 is flush with the side of the No. 3 push plate 25; during operation, the air nozzle 5 is connected to compressed air, and after the lower mold core 2 is pushed out, the air nozzle 5 sprays air to dissipate heat inside the mold body 11; this step reduces the heat generated during pouring and reduces the possibility of the mold core getting stuck in the mold body 11.

[0028] like Figure 3 As shown, a sealing groove is provided on the top of the lower mold core 2; a sealing groove is provided on the bottom of the upper mold core 21; sealing rings 6 are provided in the sealing grooves of the lower mold core 2 and the upper mold core 21; during operation, when the lower mold core 2 and the upper mold core 21 are fixedly matched, the sealing ring 6 plays a sealing role; this step reduces the risk of leakage during pouring and improves product quality.

[0029] like Figure 4 As shown, a thermocouple thermometer 7 is fixedly provided on the side of the lower mold core 2 close to the roller 4; during operation, the temperature of the mold core is checked by the thermocouple thermometer 7, which is convenient for checking the temperature and preparing for subsequent demoulding.

[0030] During operation, the No. 2 electric push rod 14 pushes the No. 2 push plate 15 to contact the mold bottom plate 1, and the replaceable mold core is placed in front of the No. 1 push plate 13. The No. 1 electric push rod 12 pushes the No. 1 push plate 13 to push the mold core into the mold body 11 through the mold inlet groove 17, and the molten metal solution is poured into the mold core through the mold pouring hole 16. After the pouring is completed, the mold core is taken out and a new mold core is pushed in; the lower mold core 2 is pushed into the mold body 11, and the molten metal solution enters the mold core pouring hole 23 through the mold pouring hole 16, and flows into the lower mold core 2 and the upper mold core 21. After the pouring is completed, the No. 2 electric push rod 14 rises, and the No. 3 electric push rod 24 pushes the No. 3 push plate 25 to push the lower mold core 2 and the upper mold core 21 out of the mold body 11; After the lower mold core 2 and the upper mold core 21 are pushed into the mold body 11, the No. 4 electric push rod 31 pushes the positioning plate 32 and the positioning column 33 to move downward, and the positioning column 33 passes through the mold pouring hole 16 and enters the mold core pouring hole 23, so that the mold pouring hole 16 and the mold core pouring hole 23 are in the same straight line, and the support plate 34 is fixed to the side of the positioning bracket 3; after the pouring is completed, the No. 3 push plate 25 pushes the lower mold core 2 and the upper mold core 21 out of the mold body 11, and the bottom of the lower mold core 2 rolls with the roller 4; the air nozzle 5 is connected to the compressed air, and after the lower mold core 2 is pushed out, the air nozzle 5 sprays air to dissipate heat inside the mold body 11; when the lower mold core 2 and the upper mold core 21 are fixedly matched, the sealing ring 6 plays a sealing role.

[0031] The above shows and describes the basic principles, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A die-casting mold for quickly changing mold cores, characterized in that: The invention comprises a mold base plate (1); the top of the mold base plate (1) is fixedly connected to a mold body (11); the top of the mold base plate (1) away from the mold body (11) is fixedly connected to a No. 1 electric push rod (12); the head of the No. 1 electric push rod (12) is fixedly connected to a No. 1 push plate (13); the inner wall of the mold body (11) is fixedly connected to a No. 2 electric push rod (14); the No. 2 electric push rod (14) is symmetrically arranged on the inner wall of the mold body (11); a pair of No. 2 electric push rods (14) are fixedly connected to a No. 2 push plate (15) at the other end; a mold pouring hole (16) is provided on the top of the mold body (11) and is arranged in pairs; a mold inlet groove (17) is provided on the side of the mold body (11) close to the No. 1 electric push rod (12).

2. A die-casting mold for quickly changing mold cores according to claim 1, characterized in that: A lower mold core (2) is arranged inside the mold body (11); an upper mold core (21) is arranged on the top of the lower mold core (2); the lower mold core (2) and the upper mold core (21) are fixedly connected by fixing bolts (22); mold core pouring holes (23) are opened on the top of the upper mold core (21), and are arranged in pairs; a third electric push rod (24) is fixedly connected to the top of the mold bottom plate (1) away from the second electric push rod (14), and multiple groups are arranged; the rod heads of multiple groups of the third electric push rods (24) are fixedly connected to the third push plates (25).

3. A die-casting mold for quickly changing mold cores according to claim 2, characterized in that: The top of the mold body (11) is fixedly connected with a positioning bracket (3); the inner wall of the positioning bracket (3) is provided with a sliding groove; the top of the positioning bracket (3) is fixedly connected with a No. 4 electric push rod (31), and multiple groups are provided; the other ends of the multiple groups of No. 4 electric push rods (31) are fixedly connected with a positioning plate (32); the positioning plate (32) slides in the sliding groove of the inner wall of the positioning bracket (3); the bottom of the positioning plate (32) is fixedly connected with a positioning column (33), and is provided in pairs; the side of the positioning bracket (3) is fixedly connected with a support plate (34); the bottom of the support plate (34) is fixedly connected to the top of the mold body (11).

4. A die-casting mold for rapid mold core replacement according to claim 3, characterized in that: The mold bottom plate (1) is provided with rollers (4) in the middle away from the No. 3 electric push rod (24), and multiple groups of rollers (4) are provided; the middle parts of the multiple groups of rollers (4) are rollingly connected with axles (41); the two ends of the axles (41) are fixed inside the mold bottom plate (1).

5. A die-casting mold for rapid mold core replacement according to claim 4, characterized in that: An air nozzle (5) is arranged in the middle of the third push plate (25); the end of the air nozzle (5) is flush with the side surface of the third push plate (25).

6. A die-casting mold for rapid mold core replacement according to claim 5, characterized in that: The top of the lower mold core (2) is provided with a sealing groove; the bottom of the upper mold core (21) is provided with a sealing groove; and sealing rings (6) are arranged in the sealing grooves of the lower mold core (2) and the upper mold core (21).

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