Numerical control machine tool casting mold

Abstract

The utility model relates to the technical field of molds, in particular to a numerical control machine tool casting mold which comprises a lower box, a sand core box is arranged at the upper end of the lower box, a precoated sand core is arranged in the sand core box, an upper box is arranged at the upper end of the sand core box, and a liquid injection opening is formed in the top of the upper box in a penetrating mode. And two long boxes are symmetrically and fixedly mounted on the outer wall of the bottom of the sand core box. According to the device, the defects in the prior art are overcome, a second motor is controlled to be started under the matching action of a push plate and the like, the output end of the second motor drives synchronous wheels and a synchronous belt to rotate, and the two synchronous wheels rotate to drive two second screw rods to rotate along with the synchronous wheels; and the two second screws rotate to drive the two second threaded blocks and the two push plates to move upwards, the push plates move upwards to push the machine tool casting to be supported in the precoated sand core, and then workers can conveniently demold the machine tool casting.

Description

Technical Field

[0001] The utility model relates to the technical field of molds, in particular to a casting mold for a numerical control machine tool. Background Art

[0002] Molds are various molds and tools used in industrial production to obtain the desired products by injection molding, blow molding, extrusion, die casting or forging, smelting, stamping and other methods. In short, molds are tools used to make molded objects. This tool is composed of various parts, and different molds are composed of different parts.

[0003] After searching, the patent with Chinese patent authorization announcement number CN214720336U discloses a casting mold for CNC machine tool castings, including a lower box, a sand core box is arranged at the upper end of the lower box, a coated sand core is arranged inside the sand core box, an upper box is arranged at the upper end of the sand core box, the sides of the upper box and the lower box are connected by a fixing assembly, and a fixing splint is arranged at the upper end of the side of the fixing frame.

[0004] A CNC machine tool casting mold in the above patent has the following shortcomings: although the device can meet the requirements of different fixed sizes, there is no device in the device that can assist in demolding the machine tool casting. Therefore, when the machine tool casting needs to be demolded, it is often necessary to manually use external related tools to remove the casting from the mold cavity, and the process is relatively cumbersome. Utility Model Content

[0005] The purpose of the utility model is to solve or at least alleviate the problem in the prior art that when it is necessary to demould a machine tool casting, it is often necessary to manually use external tools to remove the casting from the mold cavity, and the process is relatively cumbersome.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a CNC machine tool casting mold, comprising a lower box, a sand core box is arranged at the upper end of the lower box, a coated sand core is arranged inside the sand core box, an upper box is arranged at the upper end of the sand core box, a liquid injection port is installed through the top of the upper box, two elongated boxes are symmetrically fixedly installed on the bottom outer wall of the sand core box, two second screws are symmetrically rotated and installed on the top inner walls of the two elongated boxes, two second screws are screwed with second threaded blocks, push plates are fixedly installed on the top outer walls of the two second threaded blocks, and the two push plates are installed through the bottom outer surface of the coated sand core, synchronous wheels are fixedly installed at one end of the bottom of the two second screws, a synchronous belt is connected between the two synchronous wheels, and the synchronous belt is located at the bottom of the lower box, and the same installation box is fixedly installed on the side close to each other of the two elongated boxes, a second motor is fixedly installed on the bottom inner wall of one of the elongated boxes, and the output end of the second motor is fixedly connected to one of the synchronous wheels.

[0007] Optionally, a rotating column is fixedly mounted on one end of the bottom of another of the synchronous wheels, and the rotating column is rotatably mounted on the bottom inner wall of the elongated box.

[0008] Optionally, both side outer walls of the lower box are provided with sliding grooves, and the two second threaded blocks are slidably installed in the two sliding grooves respectively.

[0009] Optionally, a support plate is fixedly installed on one side outer wall of the installation box, a first motor is fixedly installed on the top of the support plate, a first screw is fixedly installed on the output end of the first motor, a first threaded block is screwed on the first screw, and the first threaded block is fixedly connected to the upper box.

[0010] Optionally, a support frame is fixedly mounted on the top outer wall of the support plate, and the first screw rod is rotatably mounted on the support frame.

[0011] Optionally, a limiting hole is provided on the top outer wall of the first threaded block, a limiting column is slidably installed in the limiting hole, and two ends of the limiting column are respectively fixedly installed on the outer wall of one side of the support plate and the support frame close to each other.

[0012] Optionally, a controller is fixedly mounted on one outer wall of the elongated box, and the controller is electrically connected to the first motor and the second motor.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] (1) The utility model adopts the cooperation of the push plate, etc., and controls the start of the second motor. The output of the second motor drives the synchronous wheel and the synchronous belt to rotate. The rotation of the two synchronous wheels drives the two second screws to rotate, thereby driving the two second threaded blocks and the two push plates to move upward. The upward movement of the push plate pushes the machine tool casting out of the coated sand core, thereby facilitating the staff to demold the machine tool casting.

[0015] (2) The utility model adopts the cooperation of the first screw and the like, and controls the start of the first motor. The output of the first motor drives the first screw to rotate, thereby driving the first threaded block and the upper box to move upward. The upward movement of the upper box is separated from the connection with the sand core box, and no manual operation is required, thereby reducing manual labor. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the push plate structure of the utility model;

[0018] Figure 3This is a schematic diagram of the structure of the coated sand core of the utility model;

[0019] Figure 4 This is a schematic diagram of the structure of the first thread block of the utility model;

[0020] Figure 5 This is a schematic diagram of the sliding groove structure of the utility model.

[0021] In the figure: 1. upper box; 2. sand core box; 3. lower box; 4. long box; 5. installation box; 6. liquid injection port; 7. support plate; 8. support frame; 9. first motor; 10. first screw; 11. first threaded block; 12. limiting hole; 13. limiting column; 14. second motor; 15. synchronous wheel; 16. synchronous belt; 17. second screw; 18. second threaded block; 19. push plate; 20. coated sand core; 21. controller; 22. sliding groove; 23. rotating column. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-5A CNC machine tool casting mold includes a lower box 3, a sand core box 2 is arranged at the upper end of the lower box 3, a coated sand core 20 is arranged inside the sand core box 2, and the coated sand core 20 can be installed inside by arranging the sand core box 2, an upper box 1 is arranged at the upper end of the sand core box 2, and a liquid injection port 6 is installed through the top of the upper box 1, and the liquid injection port 6 can play a role in injection, and the bottom outer wall of the sand core box 2 is symmetrically fixed with two long boxes 4, and the top inner walls of the two long boxes 4 are symmetrically rotatably installed with two second screws 17, and the two second screws 17 are screwed with second threaded blocks 18, and the second threaded blocks 18 can be driven to move by arranging the second screws 17. The top outer wall of the pattern block 18 is fixedly installed with a push plate 19, and the push plate 19 can play a role in assisting the material pushing. The two push plates 19 are installed through the bottom outer surface of the coated sand core 20, and the bottom end of the two second screws 17 is fixedly installed with a synchronous wheel 15. A synchronous belt 16 is connected between the two synchronous wheels 15. The synchronous belt 16 can be used to drive the synchronous wheel 15 to rotate. The synchronous belt 16 is located at the bottom of the lower box 3. The side of the two long boxes 4 close to each other is fixedly installed with the same installation box 5, and the bottom inner wall of one of the long boxes 4 is fixedly installed with a second motor 14, and the output end of the second motor 14 is fixedly connected to one of the synchronous wheels 15. By controlling to start the second motor 14, the output of the second motor 14 will drive the synchronous wheel 15 and the synchronous belt 16 to rotate, and the rotation of the two synchronous wheels 15 will drive the two second screws 17 to rotate, thereby driving the two second threaded blocks 18 and the two push plates 19 to move upward, and the upward movement of the push plates 19 will push the machine tool casting to be supported from the coated sand core 20, thereby facilitating the staff to demold the machine tool casting.

[0024] For details, please refer to Figure 1-2 A rotating column 23 is fixedly mounted on one end of the bottom of another synchronous wheel 15, and the rotating column 23 is rotatably mounted on the bottom inner wall of the elongated box 4. The rotating column 23 can be provided to assist in installation.

[0025] For details, please refer to Figure 1-5 The outer walls on both sides of the lower box 3 are provided with sliding grooves 22, and the two second threaded blocks 18 are respectively slidably installed in the two sliding grooves 22. By providing the sliding grooves 22, the second threaded blocks 18 can be slidably installed therein.

[0026] For details, please refer to Figure 1-4 A support plate 7 is fixedly mounted on one side outer wall of the installation box 5, a first motor 9 is fixedly mounted on the top of the support plate 7, a first screw rod 10 is fixedly mounted on the output end of the first motor 9, a first threaded block 11 is screwed on the first screw rod 10, and the first threaded block 11 is fixedly connected to the upper box 1. The first motor 9 can be mounted on it by arranging the support plate 7.

[0027] For details, please refer to Figure 4 A support frame 8 is fixedly mounted on the top outer wall of the support plate 7, and the first screw rod 10 is rotatably mounted on the support frame 8. The support frame 8 can be provided to assist in installation.

[0028] For details, please refer to Figure 4 The top outer wall of the first threaded block 11 is provided with a limiting hole 12, a limiting column 13 is slidably installed in the limiting hole 12, and both ends of the limiting column 13 are respectively fixedly installed on the outer wall of the side where the support plate 7 and the support frame 8 are close to each other. By setting the limiting hole 12, the limiting column 13 can be installed inside.

[0029] For details, please refer to Figure 1-5 A controller 21 is fixedly mounted on one side outer wall of the long box 4, and the controller 21 is electrically connected to the first motor 9 and the second motor 14. The controller 21 is set to control the first motor 9 and the second motor 14 to start.

[0030] Working principle: When it is necessary to demold the machine tool casting, first control and start the first motor 9. The output of the first motor 9 will drive the first screw 10 to rotate, thereby driving the first threaded block 11 and the upper box 1 to move upward. The upward movement of the upper box 1 breaks away from the connection with the sand core box 2. At this time, the second motor 14 can be controlled to start. The output of the second motor 14 will drive the synchronous wheel 15 and the synchronous belt 16 to rotate. The rotation of the two synchronous wheels 15 drives the two second screws 17 to rotate as well, thereby driving the two second threaded blocks 18 and the two push plates 19 to move upward. The upward movement of the push plates 19 will push the machine tool casting to be supported from the coated sand core 20, thereby facilitating the staff to demold the machine tool casting.

[0031] The above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A CNC machine tool casting mold, comprising a lower box (3), characterized in that: A sand core box (2) is arranged at the upper end of the lower box (3), a coated sand core (20) is arranged inside the sand core box (2), an upper box (1) is arranged at the upper end of the sand core box (2), a liquid injection port (6) is installed through the top of the upper box (1), two long boxes (4) are symmetrically fixedly installed on the bottom outer wall of the sand core box (2), two second screw rods (17) are symmetrically rotated on the top inner walls of the two long boxes (4), the two second screw rods (17) are screwed with second threaded blocks (18), and the top outer walls of the two second threaded blocks (18) are fixedly installed with push plates (19). ), the two push plates (19) are both installed through the bottom outer surface of the coated sand core (20), the bottom ends of the two second screws (17) are fixedly installed with a synchronous wheel (15), a synchronous belt (16) is connected between the two synchronous wheels (15), and the synchronous belt (16) is located at the bottom of the lower box (3), and the two elongated boxes (4) are both fixedly installed with the same installation box (5) on the side close to each other, and a second motor (14) is fixedly installed on the bottom inner wall of one of the elongated boxes (4), and the output end of the second motor (14) is fixedly connected to one of the synchronous wheels (15).

2. A CNC machine tool casting mold according to claim 1, characterized in that: A rotating column (23) is fixedly mounted on one end of the bottom of the other synchronous wheel (15), and the rotating column (23) is rotatably mounted on the bottom inner wall of the elongated box (4).

3. A CNC machine tool casting mold according to claim 1, characterized in that: The outer walls on both sides of the lower box (3) are provided with sliding grooves (22), and the two second threaded blocks (18) are respectively slidably installed in the two sliding grooves (22).

4. A CNC machine tool casting mold according to claim 1, characterized in that: A support plate (7) is fixedly mounted on an outer wall of one side of the installation box (5); a first motor (9) is fixedly mounted on the top of the support plate (7); a first screw rod (10) is fixedly mounted on the output end of the first motor (9); a first threaded block (11) is screwed onto the first screw rod (10); and the first threaded block (11) is fixedly connected to the upper box (1).

5. A CNC machine tool casting mold according to claim 4, characterized in that: A support frame (8) is fixedly mounted on the top outer wall of the support plate (7), and the first screw rod (10) is rotatably mounted on the support frame (8).

6. A CNC machine tool casting mold according to claim 4, characterized in that: A limiting hole (12) is provided on the top outer wall of the first threaded block (11), a limiting column (13) is slidably installed in the limiting hole (12), and two ends of the limiting column (13) are respectively fixedly installed on the outer walls of one side of the support plate (7) and the support frame (8) that are close to each other.

7. A CNC machine tool casting mold according to claim 4, characterized in that: A controller (21) is fixedly mounted on one side outer wall of the elongated box (4), and the controller (21) is electrically connected to the first motor (9) and the second motor (14).

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