Metal casting machine

Abstract

The invention discloses a metal casting machine, and belongs to the technical field of metal casting. A metal casting machine comprises a support and further comprises injection molding equipment which is fixedly installed at the upper end of the support, two rolling shafts are rotationally installed on the support, two symmetrically-arranged chains are installed on the two rolling shafts, and a conveying motor for driving the rolling shafts to rotate is fixedly installed on the support; the multiple molds are installed on the two chains at equal intervals, U-shaped grooves are formed in the molds, strip-shaped grooves communicated with the U-shaped grooves are formed in the bottoms of the molds, air blowing pipes are installed in lower end openings of the strip-shaped grooves in a sliding mode, the upper ends of the air blowing pipes are fixedly connected with two symmetrically-arranged U-shaped plates, and the upper ends of the two U-shaped plates are fixedly connected with the lower end openings of the strip-shaped grooves. The two U-shaped plates are both installed in the U-shaped groove in a sliding mode, and the support is provided with a reciprocating part for driving the air blowing pipe to slide in a reciprocating mode. The aluminum ingot in the mold can be rapidly cooled and shaped, and the casting efficiency of the aluminum ingot is improved.

Description

Technical Field

[0001] The invention relates to the technical field of metal casting, in particular to a metal casting machine. Background Art

[0002] Casting is a method of pouring molten metal into a casting cavity that is adapted to the shape of the part, and then cooling and solidifying it to obtain a part or blank. The molding casting method of aluminum ingots is mostly to add the aluminum ingot material solution into the mold and wait for it to cool and form.

[0003] In the casting production of aluminum ingots, the mold after being cast by the injection molding equipment is mainly cooled by natural cooling, so the aluminum ingot casting machine requires a longer production line to ensure that the aluminum ingot can be sufficiently cooled and shaped. This will cause the entire equipment to occupy a larger installation space, and during the long transportation process, the aluminum ingot will gradually cool from the outside to the inside, and the cooling efficiency is extremely low, which seriously affects the production efficiency of the aluminum ingot. Summary of the invention

[0004] The purpose of the present invention is to solve the problem of low aluminum ingot casting efficiency in the prior art and to propose a metal casting machine.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions:

[0006] A metal casting machine comprises a bracket, and also comprises: an injection molding device, which is fixedly mounted on the upper end of the bracket, wherein two rollers are rotatably mounted on the bracket, two symmetrically arranged chains are mounted on the two rollers, and a conveying motor for driving the rollers to rotate is fixedly mounted on the bracket; a plurality of molds are mounted on the two chains at equal intervals, wherein a U-shaped groove is arranged inside the mold, a strip groove communicating with the U-shaped groove is arranged at the bottom of the mold, a blowing pipe is slidably mounted in the lower end of the strip groove, the upper end of the blowing pipe is fixedly connected to two symmetrically arranged U-shaped plates, both of the two U-shaped plates are slidably mounted in the U-shaped groove, and a reciprocating portion for driving the blowing pipe to slide back and forth is arranged on the bracket.

[0007] In order to efficiently cool and shape the aluminum ingot, preferably, the reciprocating part includes a reciprocating screw rotatably connected to the bracket, a push plate is threadedly connected to the reciprocating screw, a guide rod arranged parallel to the reciprocating screw is fixedly connected to the bracket, and the push plate is slidably connected to the guide rod, wherein a driving motor for driving the reciprocating screw to rotate is fixedly mounted on the bracket, and the push plate is connected to the air blowing pipe through a connecting part.

[0008] In order to facilitate the vertical pipe to drive the blowing pipe to move synchronously, the connecting part further includes two symmetrically arranged vertical pipes fixedly connected to the push plate, the two vertical pipes are respectively located on both sides of the injection molding equipment, and the lower end of the blowing pipe is fixedly connected to a magnet that attracts the upper end of the vertical pipe.

[0009] In order to facilitate blowing with the air pipe, further, a rotating tube is rotatably installed at the lower ends of the two vertical tubes, and fan blades are fixedly installed in the two rotating tubes. The rotating tube is connected to the reciprocating screw through a linkage part.

[0010] In order to facilitate the continuous rotation of the rotating tube, the linkage part further includes a long rod-shaped gear fixedly connected to the bracket, and the two rotating tubes are connected by a first belt drive, wherein the two rotating tubes are connected by a connecting tube, and a passive gear meshing with the long rod-shaped gear is fixedly installed on one of the rotating tubes, and the long rod-shaped gear is connected to the reciprocating screw through a second belt drive.

[0011] In order to install the mold on the chain, further, a vertical groove is provided at the lower end of the mold, a pillar is fixedly connected to the chain, the vertical groove is longitudinally sleeved on the pillar, and a spring is installed between the inner top of the vertical groove and the top of the pillar.

[0012] In order to enable the mold to complete the demoulding work efficiently, further, a cross bar is fixedly connected to the bracket, and a plurality of rollers arranged at equal intervals are rotatably installed on the lower end of the cross bar. When the mold cavity of the mold is set downward, the mold that moves horizontally will slide over the plurality of rollers in turn.

[0013] In order to enable the mold to complete the demoulding work efficiently, further, the inner bottom of the mold is provided with a slide groove, and a bar block is longitudinally slidably installed in the slide groove, and the upper end surface of the bar block is flush with the inner bottom of the mold.

[0014] In order to enable the bar block to efficiently eject the aluminum ingot, further, the inner top of the vertical groove is provided with an exhaust pipe extending into the slide groove, and the inner top of the vertical groove is provided with an intake pipe extending to the outer wall of the mold, and both the exhaust pipe and the intake pipe are fixedly installed with a one-way valve.

[0015] In order to clean up the metal debris remaining on the inner wall of the mold, further, an air inlet hole is provided at the bottom of the strip block, and blowing holes connected to the air inlet hole are provided on both sides of the upper end of the strip block.

[0016] Compared with the prior art, the present invention provides a metal casting machine having the following beneficial effects:

[0017] 1. The metal casting machine draws air to the blowing pipe through the vertical pipe, and the blowing pipe draws air to the pipe groove formed by the two U-shaped plates and the U-shaped groove. The U-shaped groove draws air through the upper port. When the air passes through the U-shaped groove, it will take away part of the temperature on the mold, so that the aluminum ingot in the mold can be quickly cooled and shaped, thereby improving the casting efficiency of the aluminum ingot.

[0018] 2. The metal casting machine blows the hot air generated by mold cooling into the mold to be poured through a vertical pipe, so as to preheat the mold and improve the service life of the mold. It can also prevent the mold in a low temperature state from quickly absorbing heat from the injected aluminum liquid, thereby preventing the aluminum liquid near the inner wall of the mold from cooling too quickly and improving the casting quality of the aluminum ingot.

[0019] 3. The metal casting machine drives the push plate to slide back and forth through the reciprocating screw, and the air blow pipe drives the two U-shaped plates to slide back and forth in the U-shaped groove, so that the air between the two U-shaped plates moves back and forth along the inside of the U-shaped groove, thereby making the mold cooler more evenly and improving the final forming quality of the aluminum ingot.

[0020] 4. The metal casting machine, through the action of multiple rollers, the mold will shake up and down, so that the aluminum ingot inside can be discharged efficiently, improving the demoulding efficiency of the aluminum ingot, and can also shake out the metal debris remaining inside the mold, making the inner wall of the mold smoother and tidier, indirectly improving the quality of the aluminum ingot.

[0021] 5. The metal casting machine blows air to the bottom of the chute through the exhaust pipe, and the bar block can push the aluminum ingot out of the mold more efficiently. When the bar block is fully extended, the excess gas will enter the air inlet and then be discharged into the mold from the blowing hole, so that the metal debris in the mold can be blown out, making the mold tidier. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic diagram of the axonometric structure of a metal casting machine proposed by the present invention from a first perspective;

[0023] Figure 2 A schematic diagram of the axonometric structure of a metal casting machine proposed by the present invention from a second viewing angle;

[0024] Figure 3 A partial isometric structural schematic diagram of a metal casting machine proposed by the present invention;

[0025] Figure 4 A schematic diagram of the cutaway structure of a metal casting machine mold proposed by the present invention Figure 1 ;

[0026] Figure 5 A schematic diagram of the cutaway structure of a metal casting machine mold proposed by the present invention Figure 2 ;

[0027] Figure 6 This is a schematic diagram of the axonometric structure of a U-shaped plate of a metal casting machine proposed by the present invention;

[0028] Figure 7 This is a schematic diagram of the axonometric structure of a reciprocating screw of a metal casting machine proposed by the present invention;

[0029] Figure 8 This is a schematic diagram of the axonometric structure of a long rod-shaped gear of a metal casting machine proposed by the present invention;

[0030] Fig. 9 This is a schematic diagram of the axonometric structure of a crossbar of a metal casting machine proposed by the present invention.

[0031] In the figure: 1. bracket; 2. injection molding equipment; 3. roller; 4. chain; 5. mold; 6. U-shaped groove; 7. strip groove; 8. blowing pipe; 9. U-shaped plate; 10. push plate; 11. vertical pipe; 12. conveying motor; 13. rotating pipe; 14. first belt drive; 15. connecting pipe; 16. driving motor; 17. reciprocating screw; 18. guide rod; 19. long rod-shaped gear; 20. second belt drive; 21. passive gear; 22. vertical groove; 23. pillar; 24. spring; 25. slide; 26. strip block; 27. air inlet; 28. blowing hole; 29. ​​exhaust pipe; 30. suction pipe; 31. magnet; 32. cross bar; 33. roller. DETAILED DESCRIPTION

[0032] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0033] In the description of the present invention, it is necessary to understand that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0034] Embodiment 1:

[0035] Reference Figure 1-Figure 9, a metal casting machine, comprising a box-shaped bracket 1 for supporting the entire device, and also comprising: an injection molding device 2 for injecting molten metal into a mold 5, which is fixedly installed on the upper end of the bracket 1, wherein two rollers 3 are rotatably installed on the bracket 1, and two symmetrically arranged chains 4 are installed on the two rollers 3, and a conveying motor 12 for driving the rollers 3 to rotate is fixedly installed on the bracket 1; a plurality of molds 5 are installed on the two chains 4 at equal intervals, and the number of molds 5 is 5-20, and the preferred number of the present application is 16, wherein a U-shaped groove 6 is provided inside the outer shell of the mold 5, and a strip groove 7 connected to the U-shaped groove 6 is provided at the bottom of the mold 5, and a blowing pipe 8 is slidably installed in the lower end of the strip groove 7, and the upper end of the blowing pipe 8 is fixedly connected to two symmetrically arranged U-shaped plates 9, and the two U-shaped plates 9 are both slidably installed in the U-shaped groove 6, and a reciprocating part for driving the blowing pipe 8 to slide back and forth is provided on the bracket 1.

[0036] Specifically, when in use, the molten aluminum liquid is injected into the mold 5 through the injection molding device 2, and then the roller 3 is driven to rotate by the conveying motor 12, and the roller 3 completes the conveying work of the mold 5 through the chain 4. After the mold 5 is injected with molten metal, the blowing pipe 8 will suck air into the pipe groove formed by the two U-shaped plates 9 and the U-shaped groove 6, and the U-shaped groove 6 will absorb air through the upper port. When the air passes through the U-shaped groove 6, it will take away part of the temperature on the mold 5, so that the aluminum ingot in the mold 5 is quickly cooled and shaped, thereby improving the casting efficiency of the aluminum ingot, and the reciprocating part will drive the blowing pipe 8 slides back and forth in the strip groove 7, and the air blowing pipe 8 drives the two U-shaped plates 9 to slide back and forth in the U-shaped groove 6, so that the air between the two U-shaped plates 9 moves back and forth along the inside of the U-shaped groove 6, so that the mold 5 can be cooled more evenly, thereby improving the final molding quality of the aluminum ingot, and when the U-shaped plate 9 slides in the U-shaped groove 6, the mold 5 will also produce a slight vibration, so that part of the bubbles in the aluminum liquid can be discharged, thereby ensuring the quality of the aluminum ingot, and when the cooled mold 5 is set downward, the aluminum ingot inside will be dumped out, thereby completing the automatic unloading work.

[0037] Embodiment 2:

[0038] Reference Figure 3 , Figure 7 as well as Figure 8 , which is basically the same as Example 1, and furthermore, specifically discloses a specific implementation scheme of the reciprocating part.

[0039] The above-mentioned reciprocating part includes a reciprocating screw 17 rotatably connected to the bracket 1, and a push plate 10 is threadedly connected to the reciprocating screw 17. A guide rod 18 arranged parallel to the reciprocating screw 17 is fixedly connected to the bracket 1, and the push plate 10 is slidably connected to the guide rod 18, wherein a driving motor 16 for driving the reciprocating screw 17 to rotate is fixedly installed on the bracket 1, and the push plate 10 is connected to the blowing pipe 8 through a connecting part, and the connecting part includes two symmetrically arranged vertical pipes 11 fixedly connected to the push plate 10, and the two vertical pipes 11 are respectively located on both sides of the injection molding equipment 2, and the lower end of the blowing pipe 8 is fixedly connected to a magnet 31 attracted to the upper end of the vertical pipe 11, and the magnet 31 can also be installed on the vertical pipe 11, so as to prevent the high temperature of the mold 5 from causing serious influence on the magnet 31.

[0040] Specifically, when in use, the drive motor 16 is started, and the drive motor 16 will drive the reciprocating screw 17 to rotate, and the reciprocating screw 17 will drive the push plate 10 to slide back and forth, and the push plate 10 will drive the vertical pipes 11 on both sides to slide back and forth. Since the magnet 31 on the blowing pipe 8 will adsorb the vertical pipe 11, the vertical pipe 11 will drive the blowing pipe 8 to slide back and forth in the strip groove 7 through the magnet 31, and the blowing pipe 8 will drive the two U-shaped plates 9 to slide back and forth in the U-shaped groove 6, so that the air between the two U-shaped plates 9 moves back and forth along the inside of the U-shaped groove 6, so that the mold 5 can be cooled more evenly, thereby improving the final forming quality of the aluminum ingot, and when the U-shaped plate 9 slides in the U-shaped groove 6, it will also cause the mold 5 to vibrate slightly, so that some bubbles in the aluminum liquid can be discharged, thereby ensuring the quality of the aluminum ingot.

[0041] Embodiment three:

[0042] Reference Figure 3 , Figure 7 as well as Figure 8 , which is basically the same as the second embodiment, and further discloses a specific implementation scheme for supplying gas to the vertical pipe 11.

[0043] The lower ends of the two vertical tubes 11 are rotatably installed with a rotating tube 13, and fan blades are fixedly installed in the two rotating tubes 13. The fan blades are not shown in the figure. The principle is the same as that of an electric fan. A flowing airflow is generated when rotating. The rotating tube 13 is connected to the reciprocating screw 17 through a linkage part. The linkage part includes a long rod-shaped gear 19 fixedly connected to the bracket 1. The two rotating tubes 13 are connected through a first belt transmission 14, wherein the two rotating tubes 13 are connected through a connecting tube 15, and a passive gear 21 meshing with the long rod-shaped gear 19 is fixedly installed on one of the rotating tubes 13, and the long rod-shaped gear 19 is connected to the reciprocating screw 17 through a second belt transmission 20.

[0044] Specifically, when the reciprocating screw 17 rotates, the reciprocating screw 17 will drive the long rod-shaped gear 19 to rotate through the second belt transmission 20, and the long rod-shaped gear 19 will drive the passive gear 21 to rotate, and the passive gear 21 will drive the rotating tube 13 to rotate, and under the action of the first belt transmission 14, the two rotating tubes 13 will be driven to rotate synchronously, and the rotating tube 13 will drive the internal fan blades to rotate, one of the rotating tubes 13 will suck air into the vertical tube 11, and the other rotating tube 13 will exhaust the vertical tube 11, so when the mold 5 stays above the vertical tube 11, the vertical tube 11 will suck air into the blowing tube 8, and the mold has been completed. The mold 5 is cooled and cooled, and when the mold 5 stops at the lower end of another vertical pipe 11 after unloading, the other vertical pipe 11 will discharge the internal air, so as to blow the hot air generated by the cooling of the mold 5 into the mold 5 to be poured, so as to preheat the mold 5 and improve the service life of the mold 5, and prevent the mold 5 in a low-temperature state from quickly absorbing heat from the injected aluminum liquid, thereby preventing the aluminum liquid near the inner wall of the mold 5 from cooling too quickly, and improving the casting quality of the aluminum ingot, because the air cooling speed will be lower than the cooling speed of the low-temperature mold 5 on the aluminum liquid, but will be higher than the natural cooling speed.

[0045] Embodiment 4:

[0046] Reference Figure 4 and Fig. 9 , which is basically the same as the third embodiment, and further, a specific implementation scheme for connecting the mold 5 and the chain 4 is specifically added.

[0047] A vertical groove 22 is provided at the lower end of the above-mentioned mold 5, and a pillar 23 is fixedly connected to the chain 4. The vertical groove 22 is longitudinally sleeved on the pillar 23, and a spring 24 is installed between the inner top of the vertical groove 22 and the top of the pillar 23; a cross bar 32 is fixedly connected to the bracket 1, and a plurality of rollers 33 arranged at equal intervals are rotatably installed at the lower end of the cross bar 32. The number of rollers 33 is 6-18, and the preferred number in this application is 12. When the mold cavity of the mold 5 is set downward, the translational mold 5 will slide over the plurality of rollers 33 in sequence.

[0048] Specifically, when the opening of the mold 5 is downward, the horizontally moving mold 5 will slide over multiple rollers 33 in sequence. When the rollers 33 press against the mold 5, the mold 5 will slide downward on the support 23. When the mold 5 passes over the mold 5, the spring 24 will drive the mold 5 to slide upward and reset. Therefore, under the action of multiple rollers 33, the mold 5 will shake up and down, so that the aluminum ingot inside can be efficiently discharged, thereby improving the demolding efficiency of the aluminum ingot, and can also shake out the metal debris remaining in the mold 5, making the inner wall of the mold 5 smoother and tidier, thereby indirectly improving the quality of the aluminum ingot.

[0049] Embodiment five:

[0050] Reference Figure 4 and Figure 5, which is basically the same as the fourth embodiment, and further, a specific implementation scheme for cleaning the inner wall of the mold 5 is specifically added.

[0051] The inner bottom of the mold 5 is provided with a slide groove 25, in which a strip block 26 is longitudinally slidably installed, and the upper end surface of the strip block 26 is flush with the inner bottom of the mold 5.

[0052] Specifically, when the opening of the mold 5 is downward, the bar block 26 will slide downward under the action of gravity, so as to eject the aluminum ingot in the mold 5, and the up and down shaking mold 5 will enable the bar block 26 to eject the aluminum ingot more efficiently.

[0053] An exhaust pipe 29 extending into the slide groove 25 is provided at the inner top of the vertical groove 22, and an air suction pipe 30 extending to the outer wall of the mold 5 is provided at the inner top of the vertical groove 22, and a one-way valve is fixedly installed in both the exhaust pipe 29 and the air suction pipe 30; an air inlet hole 27 is provided at the bottom of the strip block 26, and blowing holes 28 connected to the air inlet hole 27 are provided on both sides of the upper end of the strip block 26.

[0054] Specifically, when the opening of the mold 5 is upward, the strip block 26 will be received in the slide chute 25 under the action of gravity, and when the mold 5 shakes up and down, negative pressure and positive pressure will be intermittently generated in the vertical groove 22. When positive pressure is generated, air will be blown to the bottom of the slide chute 25 through the exhaust pipe 29, and the strip block 26 can more efficiently push the aluminum ingot out of the mold 5. When the strip block 26 is fully extended, excess gas will enter the air inlet 27 and then be discharged into the mold 5 from the blowing hole 28, so that the metal debris in the mold 5 can be blown out, making the mold 5 tidier. When negative pressure is generated in the vertical groove 22, outside air will be sucked in through the suction pipe 30.

[0055] When the metal casting machine is in use, the molten aluminum liquid is injected into the mold 5 through the injection molding device 2, and then the roller 3 is driven to rotate by the conveying motor 12, and the roller 3 completes the conveying work of the mold 5 through the chain 4. During this period, the driving motor 16 is started, and the driving motor 16 drives the reciprocating screw 17 to rotate, and the reciprocating screw 17 drives the long rod-shaped gear 19 to rotate through the second belt transmission 20, and the long rod-shaped gear 19 drives the passive gear 21 to rotate, and the passive gear 21 drives the rotating tube 13 to rotate, and drives the two The rotating tubes 13 rotate synchronously, and the rotating tubes 13 will drive the internal fan blades to rotate. One of the rotating tubes 13 will suck air into the vertical tube 11, and the other rotating tube 13 will exhaust air from the vertical tube 11. Therefore, when the belt mold 5 stays above the vertical tube 11, the vertical tube 11 will suck air into the blowing tube 8, and the blowing tube 8 will suck air into the tube groove formed by the two U-shaped plates 9 and the U-shaped groove 6. The U-shaped groove 6 will suck air through the upper port. When the air passes through the U-shaped groove 6, it will take away part of the temperature on the mold 5, so that the aluminum ingot in the mold 5 can be quickly cooled and shaped, thereby improving the casting efficiency of the aluminum ingot;

[0056] When the cooled mold 5 is set downward, the aluminum ingot inside will be dumped out, thereby completing the automatic unloading work. When the unloaded mold 5 stops at the lower end of another vertical pipe 11, the other vertical pipe 11 will discharge the internal air, thereby blowing the hot air generated by the cooling of the mold 5 into the mold 5 to be poured, thereby preheating the mold 5, improving the service life of the mold 5, and preventing the low-temperature mold 5 from quickly absorbing heat from the injected aluminum liquid, thereby preventing the aluminum liquid near the inner wall of the mold 5 from cooling too quickly, and improving the casting quality of the aluminum ingot, because the air cooling speed will be lower than the cooling speed of the low-temperature mold 5 on the aluminum liquid, but will be higher than the natural cooling speed.

[0057] When the reciprocating screw 17 rotates, the reciprocating screw 17 will drive the push plate 10 to slide back and forth, and the push plate 10 will drive the vertical pipes 11 on both sides to slide back and forth. Since the magnet 31 on the blowing pipe 8 will adsorb the vertical pipe 11, the vertical pipe 11 will drive the blowing pipe 8 to slide back and forth in the strip groove 7 through the magnet 31, and the blowing pipe 8 will drive the two U-shaped plates 9 to slide back and forth in the U-shaped groove 6, so that the air between the two U-shaped plates 9 moves back and forth along the inside of the U-shaped groove 6, so that the mold 5 can be cooled more evenly, thereby improving the final forming quality of the aluminum ingot, and when the U-shaped plate 9 slides in the U-shaped groove 6, it will also cause the mold 5 to vibrate slightly, so that some bubbles in the aluminum liquid can be discharged, thereby ensuring the quality of the aluminum ingot.

[0058] When the opening of the mold 5 is downward, the horizontally moving mold 5 will slide over the multiple rollers 33 in sequence. When the rollers 33 press against the mold 5, the mold 5 will slide downward on the support 23. When the mold 5 passes over the mold 5, the spring 24 will drive the mold 5 to slide upward and reset. Therefore, under the action of the multiple rollers 33, the mold 5 will shake up and down, so that the aluminum ingot inside can be discharged efficiently, improving the demolding efficiency of the aluminum ingot, and can also shake out the metal debris remaining in the mold 5, making the inner wall of the mold 5 smoother and tidier, indirectly improving the quality of the aluminum ingot.

[0059] When the opening of the mold 5 is downward, the strip block 26 will slide downward under the action of gravity, so that the aluminum ingot in the mold 5 can be ejected, and the mold 5 shaking up and down can make the strip block 26 eject the aluminum block more efficiently; when the opening of the mold 5 is upward, the strip block 26 will be stored in the slide groove 25 under the action of gravity, and when the mold 5 shakes up and down, negative pressure and positive pressure will be intermittently generated in the vertical groove 22. When positive pressure is generated, air will be blown to the bottom of the slide groove 25 through the exhaust pipe 29, and the strip block 26 can more efficiently eject the aluminum ingot out of the mold 5. When the strip block 26 is fully extended, excess gas will enter the air inlet 27 and then be discharged into the mold 5 from the blowing hole 28, so that the metal debris in the mold 5 can be blown out, making the mold 5 tidier, and when negative pressure is generated in the vertical groove 22, the outside air will be sucked in through the suction pipe 30.

[0060] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A metal casting machine, comprising a bracket (1), characterized in that: Also includes: The injection molding device (2) is fixedly mounted on the upper end of the bracket (1), Wherein, two rollers (3) are rotatably mounted on the bracket (1), two symmetrically arranged chains (4) are mounted on the two rollers (3), and a conveying motor (12) for driving the rollers (3) to rotate is fixedly mounted on the bracket (1); A plurality of molds (5) are installed at equal intervals on the two chains (4), The mold (5) is provided with a U-shaped groove (6) inside, the bottom of the mold (5) is provided with a strip groove (7) connected to the U-shaped groove (6), a blowing pipe (8) is slidably installed in the lower end of the strip groove (7), the upper end of the blowing pipe (8) is fixedly connected to two symmetrically arranged U-shaped plates (9), the two U-shaped plates (9) are both slidably installed in the U-shaped groove (6), and the bracket (1) is provided with a reciprocating part for driving the blowing pipe (8) to slide back and forth.

2. A metal casting machine according to claim 1, characterized in that: The reciprocating part comprises a reciprocating screw (17) rotatably connected to the bracket (1), a push plate (10) is threadedly connected to the reciprocating screw (17), a guide rod (18) arranged parallel to the reciprocating screw (17) is fixedly connected to the bracket (1), and the push plate (10) is slidably connected to the guide rod (18). Wherein, a driving motor (16) for driving the reciprocating screw (17) to rotate is fixedly mounted on the bracket (1), and the push plate (10) is connected to the blowing pipe (8) via a connecting portion.

3. A metal casting machine according to claim 2, characterized in that: The connecting portion comprises two symmetrically arranged vertical pipes (11) fixedly connected to the push plate (10), the two vertical pipes (11) being respectively located on both sides of the injection molding device (2), and the lower end of the blowing pipe (8) is fixedly connected to a magnet (31) attracted to the upper end of the vertical pipe (11).

4. A metal casting machine according to claim 3, characterized in that: A rotating tube (13) is rotatably mounted at the lower ends of the two vertical tubes (11), and fan blades are fixedly mounted inside the two rotating tubes (13). The rotating tubes (13) are connected to a reciprocating screw (17) via a linkage portion.

5. A metal casting machine according to claim 4, characterized in that: The linkage part comprises a long rod-shaped gear (19) fixedly connected to the bracket (1), and the two rotating tubes (13) are connected via a first belt drive (14). The two rotating tubes (13) are connected via a connecting tube (15), a passive gear (21) meshingly connected to a long rod-shaped gear (19) is fixedly mounted on one of the rotating tubes (13), and the long rod-shaped gear (19) is connected to a reciprocating screw (17) via a second belt drive (20).

6. A metal casting machine according to claim 3, characterized in that: A vertical groove (22) is provided at the lower end of the mold (5), a pillar (23) is fixedly connected to the chain (4), the vertical groove (22) is longitudinally sleeved on the pillar (23), and a spring (24) is installed between the inner top of the vertical groove (22) and the top of the pillar (23).

7. A metal casting machine according to claim 6, characterized in that: The support (1) is fixedly connected with a cross bar (32), and a plurality of rollers (33) arranged at equal intervals are rotatably mounted on the lower end of the cross bar (32). When the mold cavity of the mold (5) is arranged downward, the mold (5) that moves in translation will slide over the plurality of rollers (33) in sequence.

8. A metal casting machine according to claim 6, characterized in that: The inner bottom of the mold (5) is provided with a slide groove (25), and a strip block (26) is longitudinally slidably installed in the slide groove (25), and the upper end surface of the strip block (26) is flush with the inner bottom of the mold (5).

9. A metal casting machine according to claim 8, characterized in that: The inner top of the vertical groove (22) is provided with an exhaust pipe (29) extending into the slide groove (25), and the inner top of the vertical groove (22) is provided with an air intake pipe (30) extending to the outer wall of the mold (5), and both the exhaust pipe (29) and the air intake pipe (30) are fixedly installed with a one-way valve.

10. A metal casting machine according to claim 9, characterized in that: An air inlet hole (27) is provided at the bottom of the strip block (26), and air blowing holes (28) communicating with the air inlet hole (27) are provided on both sides of the upper end of the strip block (26).

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