Casting mold convenient to demold

Abstract

The utility model discloses a casting mold convenient to demold, and particularly relates to the technical field of casting molds, the casting mold convenient to demold comprises a working table, a lower mold is arranged at the top of the working table, an upper mold is arranged at the top of the working table, the upper mold is located right above the lower mold, and a supporting plate is fixedly arranged at the bottom of the working table. A demolding mechanism for pushing out a formed casting from the interior of the lower mold is arranged at the top of the supporting plate and comprises a push plate arranged in the lower mold, a first threaded rod is in threaded connection with the interior of a first threaded cylinder, and the top end of the first threaded rod penetrates through the workbench and extends into the lower mold; the top end of the first threaded rod is fixedly connected with the bottom of a push plate. A formed casting can be pushed out from the interior of the lower mold through the demolding mechanism, a large amount of manpower is saved, air can be blown to the surface of the lower mold through the cooling mechanism, the temperature of the lower mold is reduced, and demolding of the formed casting is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of casting moulds, in particular to a casting mould which is easy to demould. Background Art

[0002] Casting refers to the method of pouring, injecting or sucking molten metal into the mold cavity and obtaining a casting with a certain shape and performance after it solidifies. Casting has the advantages of being able to cast parts of various complex shapes, simple equipment and low investment. Casting molds are necessary production equipment in the foundry industry. Existing casting molds can basically meet daily use needs.

[0003] For example, a Chinese patent application with application number 202122043853.1 provides an injection casting mold that is easy to demold, comprising a lower mold and an upper mold, the inner wall of the lower mold is provided with an open groove, the inner wall of the open groove is slidably and sealably installed with a top plate, the inner wall of the open groove is provided with a circular hole, the inner wall of the circular hole is slidably installed with a push rod, the push rod and the top plate are fixedly connected, and a support plate is symmetrically and fixedly installed on the surface of the lower mold, and a limiting slide groove is provided on the surface of the support plate, and a push plate is slidably installed on the inner wall of the limiting slide groove, which is threadedly connected to the threaded hole through a threaded rod and a double threaded rod. The threaded rod can be rotated to rotate, thereby driving the upper mold to move, which is used for the removal of the upper mold, thereby pushing the push plate to drive the push rod to slide along the inner wall of the circular hole. Under the action of the limiting slide groove, the push plate moves stably, and the spring is compressed, so that the push rod drives the top plate to disengage from the open groove, thereby lifting the casting, which is convenient for people's demolding processing.

[0004] However, the following problems still exist in this technical solution: the technical solution requires the staff to manually push the push plate, and use the push plate to drive the top plate to lift the casting, and this operation process requires a lot of manpower. Utility Model Content

[0005] The utility model aims to provide a casting mold which is easy to demould. The molded casting can be pushed out from the inside of the lower mold through the demoulding mechanism, saving a lot of manpower. The surface of the lower mold can be blown by the cooling mechanism to reduce the temperature on the lower mold, which facilitates the demoulding of the molded casting, so as to solve the above-mentioned shortcomings in the technology.

[0006] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: a casting mold that is easy to demold, comprising a workbench, a lower mold is provided on the top of the workbench, an upper mold is provided on the top of the workbench, the upper mold is located directly above the lower mold, and a support plate is fixedly provided at the bottom of the workbench.

[0007] Preferably, a demolding mechanism for pushing the formed casting out of the lower mold is provided on the top of the support plate, and the demolding mechanism includes a push plate provided inside the lower mold, and two first threaded cylinders are fixedly connected to the top of the support plate through a bearing, and a first threaded rod is threadedly connected to the inside of the first threaded cylinder, and the top of the first threaded rod passes through the workbench and extends to the inside of the lower mold, and the top of the first threaded rod is fixedly connected to the bottom of the push plate, and a first pulley is passed through the outside of the two first threaded cylinders, and the same first belt is provided on the outside of the two first pulleys, and the bottom ends of the two first threaded cylinders pass through the support plate and extend out of the bottom of the support plate, and a first motor is fixedly provided at the bottom end of one of the first threaded cylinders, and the first motor is fixed to the bottom of the support plate through a bracket, and is used for pushing the formed casting out of the inside of the lower mold.

[0008] Preferably, a lifting mechanism for driving the upper mold to move up and down is provided on the top of the workbench, and the lifting mechanism includes a support frame arranged on the top of the workbench, two second threaded cylinders are penetrated on the top of the support frame, the second threaded cylinder is movably connected to the support frame through a bearing, a second threaded rod is penetrated inside the second threaded cylinder, the second threaded rod is connected to the second threaded cylinder through a thread, the bottom ends of the two second threaded rods are respectively fixedly connected to the top of the upper mold, a second pulley is penetrated at the bottom ends of the two second threaded cylinders, the same second belt is provided on the outside of the two second pulleys, a first gear is penetrated at the top of one of the second threaded cylinders, a second motor is fixedly provided on the top of the support frame through a bracket, a second gear is penetrated on the output shaft of the second motor, the second gear is meshed with the first gear, and is used to drive the upper mold to move up and down.

[0009] Preferably, a cooling mechanism for cooling the formed casting is provided on the top of the workbench, and the cooling mechanism includes a cooling fan arranged on the top of the workbench, a connecting rod is fixedly provided at the bottom of the cooling fan, the bottom end of the connecting rod passes through the workbench and extends out of the bottom of the workbench, a limiting slot is provided on the workbench, the connecting rod slides inside the limiting slot, the top of the support plate is movably connected to the limiting cylinder through a bearing, the top of the limiting cylinder is fixedly connected to the bottom end of the connecting rod, a third gear is fixedly provided on the top of the limiting cylinder, a rotating shaft is movably connected to one side of the top of the support plate through a bearing, a fourth gear is fixedly provided on the top of the rotating shaft, the third gear is meshed with the fourth gear, the bottom end of the rotating shaft passes through the support plate and extends out of the bottom of the support plate, a third motor is fixedly provided at the bottom end of the rotating shaft, and the third motor is fixed to the bottom of the support plate through a bracket for cooling the formed casting.

[0010] In the above technical solution, the technical effects and advantages provided by the utility model are:

[0011] The first motor is started, and the first motor can drive the first threaded barrel to rotate. The rotation of the first threaded barrel can drive the first threaded rod to move. The first threaded rod can drive the push plate to move. The formed casting is pushed out from the lower mold by the push plate, which saves a lot of manpower.

[0012] The second motor is started, and the second motor can drive the second threaded barrel to rotate. The rotation of the second threaded barrel can drive the second threaded rod to rotate. The second threaded rod is used to drive the upper mold to move up and down, which can save a lot of manpower.

[0013] Start the cold fan and the third motor. The rotation of the third motor can drive the rotating shaft to rotate. The rotation of the rotating shaft can drive the limiting cylinder to rotate. The rotation of the limiting cylinder can drive the connecting rod to rotate. The cold fan is driven by the connecting rod to rotate around the lower mold. The cold fan can blow air on the surface of the lower mold to reduce the temperature on the lower mold and facilitate the molding of the casting from the inside of the lower mold. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0015] Figure 1 It is a front view of the utility model;

[0016] Figure 2 It is a bottom view of the utility model;

[0017] Figure 3 It is a structural schematic diagram of the lifting mechanism of the utility model;

[0018] Figure 4 It is a structural schematic diagram of the demoulding mechanism of the utility model;

[0019] Figure 5 It is a structural schematic diagram of the cooling mechanism of the utility model.

[0020] Description of reference numerals:

[0021] 1 working table, 2 lower mold, 3 upper mold, 4 support plate;

[0022] 5 demoulding mechanism, 501 push plate, 502 first threaded cylinder, 503 first threaded rod, 504 first pulley, 505 first belt, 506 first motor;

[0023] 6 lifting mechanism, 601 support frame, 602 second threaded cylinder, 603 second threaded rod, 604 second pulley, 605 second belt, 606 first gear, 607 second gear, 608 second motor;

[0024] 7 cooling mechanism, 701 cooling fan, 702 connecting rod, 703 limiting cylinder, 704 third gear, 705 rotating shaft, 706 fourth gear, 707 third motor. DETAILED DESCRIPTION

[0025] The utility model provides Figure 1-5 A casting mold for easy demoulding shown in the figure comprises a workbench 1, a lower mold 2 is arranged on the top of the workbench 1, an upper mold 3 is arranged on the top of the workbench 1, the upper mold 3 is located directly above the lower mold 2, and a support plate 4 is fixedly arranged at the bottom of the workbench 1;

[0026] like Figure 4 As shown, a demoulding mechanism 5 for pushing the formed casting out of the lower mold 2 is provided on the top of the support plate 4, and the demoulding mechanism 5 includes a push plate 501 provided inside the lower mold 2, and two first threaded cylinders 502 are fixedly connected to the top of the support plate 4 through bearings, and the first threaded cylinders 502 are internally threadedly connected with first threaded rods 503, and the top of the first threaded rods 503 penetrates the workbench 1 and extends to the inside of the lower mold 2, and the top of the first threaded rods 503 is fixedly connected to the bottom of the push plate 501;

[0027] like Figure 4 As shown, the first belt pulleys 504 are penetrated outside the two first threaded cylinders 502, and the same first belt 505 is disposed outside the two first belt pulleys 504. The bottom ends of the two first threaded cylinders 502 penetrate the support plate 4 and extend out of the bottom of the support plate 4. A first motor 506 is fixedly disposed at the bottom of one of the first threaded cylinders 502, and the first motor 506 is fixed to the bottom of the support plate 4 through a bracket.

[0028] Start the first motor 506, the first motor 506 can drive the first threaded cylinder 502 to rotate, the two first threaded cylinders 502 can rotate simultaneously under the action of the first pulley 504 and the first belt 505, the rotation of the first threaded cylinder 502 can drive the first threaded rod 503 to move, the first threaded rod 503 can drive the push plate 501 to move, and the formed casting can be pushed out from the inside of the lower mold 2 by the push plate 501, saving a lot of manpower.

[0029] like Figure 3As shown, a lifting mechanism 6 for driving the upper mold 3 to move up and down is provided on the top of the workbench 1, and the lifting mechanism 6 includes a support frame 601 provided on the top of the workbench 1, and two second threaded cylinders 602 are penetrated on the top of the support frame 601, and the second threaded cylinder 602 is movably connected to the support frame 601 through a bearing, and a second threaded rod 603 is penetrated inside the second threaded cylinder 602, and the second threaded rod 603 is connected to the second threaded cylinder 602 through a thread, and the bottom ends of the two second threaded rods 603 are respectively fixedly connected to the top of the upper mold 3;

[0030] like Figure 3 As shown, the bottom ends of the two second threaded cylinders 602 are penetrated by a second pulley 604, and the two second pulleys 604 are provided with a second belt 605 on their exteriors, a first gear 606 is penetrated by the top end of one of the second threaded cylinders 602, a second motor 608 is fixedly provided on the top of the support frame 601 through a bracket, a second gear 607 is penetrated by the output shaft of the second motor 608, and the second gear 607 is meshed with the first gear 606;

[0031] Start the second motor 608, the second motor 608 can drive the second gear 607 to rotate, the second gear 607 drives the first gear 606 to rotate, the rotation of the first gear 606 drives the second threaded cylinder 602 to rotate, the two second threaded cylinders 602 can rotate under the action of the second pulley 604 and the second belt 605, the rotation of the second threaded cylinder 602 can drive the second threaded rod 603 to rotate, and the second threaded rod 603 is used to drive the upper mold 3 to move up and down, which can save a lot of manpower.

[0032] like Figure 5 As shown, a cooling mechanism 7 for cooling the formed casting is provided on the top of the workbench 1, and the cooling mechanism 7 includes a cooling fan 701 provided on the top of the workbench 1, and a connecting rod 702 is fixedly provided at the bottom of the cooling fan 701, and the bottom end of the connecting rod 702 penetrates the workbench 1 and extends out of the bottom of the workbench 1, and a limiting groove is provided on the workbench 1, and the connecting rod 702 slides inside the limiting groove, and the top of the support plate 4 is movably connected to the limiting cylinder 703 through a bearing, and the top of the limiting cylinder 703 is fixedly connected to the bottom end of the connecting rod 702;

[0033] like Figure 5 As shown, a third gear 704 is fixedly provided on the top of the limiting cylinder 703, a rotating shaft 705 is movably connected to one side of the top of the support plate 4 through a bearing, a fourth gear 706 is fixedly provided on the top of the rotating shaft 705, the third gear 704 is meshed with the fourth gear 706, the bottom end of the rotating shaft 705 penetrates the support plate 4 and extends out of the bottom of the support plate 4, a third motor 707 is fixedly provided on the bottom end of the rotating shaft 705, and the third motor 707 is fixed to the bottom of the support plate 4 through a bracket;

[0034] Start the cold fan 701 and the third motor 707. The rotation of the third motor 707 can drive the rotating shaft 705 to rotate. The rotation of the rotating shaft 705 can drive the fourth gear 706 to rotate. The fourth gear 706 drives the third gear 704 to rotate. The third gear 704 drives the limiting cylinder 703 to rotate. The rotation of the limiting cylinder 703 can drive the connecting rod 702 to rotate. The cold fan 701 is driven by the connecting rod 702 to rotate around the lower mold 2. The cold fan 701 can blow air to the surface of the lower mold 2 to reduce the temperature on the lower mold 2 and facilitate the demolding of the formed casting.

Claims

1. A casting mold for easy demoulding, comprising a workbench (1), characterized in that: A lower mold (2) is provided on the top of the workbench (1), an upper mold (3) is provided on the top of the workbench (1), the upper mold (3) is located directly above the lower mold (2), and a support plate (4) is fixedly provided on the bottom of the workbench (1); A demoulding mechanism (5) for pushing the formed casting out from the interior of the lower mold (2) is provided on the top of the support plate (4); The demoulding mechanism (5) comprises a push plate (501) arranged inside the lower mold (2); the top of the support plate (4) is fixedly connected to two first threaded cylinders (502) through bearings; the first threaded cylinders (502) are internally threadedly connected to first threaded rods (503); the top of the first threaded rods (503) penetrates the workbench (1) and extends to the inside of the lower mold (2); the top of the first threaded rods (503) is fixedly connected to the bottom of the push plate (501); A lifting mechanism (6) is provided on the top of the workbench (1) for driving the upper mold (3) to move up and down; A cooling mechanism (7) for cooling the formed casting is provided on the top of the workbench (1).

2. A casting mold that is easy to demould according to claim 1, characterized in that: A first pulley (504) is provided on the outside of the two first threaded cylinders (502), and a first belt (505) is provided on the outside of the two first pulleys (504). The bottom ends of the two first threaded cylinders (502) pass through the support plate (4) and extend out of the bottom of the support plate (4). A first motor (506) is fixedly provided on the bottom end of one of the first threaded cylinders (502), and the first motor (506) is fixed to the bottom of the support plate (4) via a bracket.

3. A casting mold that is easy to demould according to claim 1, characterized in that: The lifting mechanism (6) comprises a support frame (601) arranged on the top of the workbench (1), two second threaded cylinders (602) are provided through the top of the support frame (601), the second threaded cylinders (602) are movably connected to the support frame (601) via bearings, a second threaded rod (603) is provided inside the second threaded cylinder (602), the second threaded rod (603) is connected to the second threaded cylinder (602) via threads, and the bottom ends of the two second threaded rods (603) are respectively fixedly connected to the top of the upper mold (3).

4. A casting mold that is easy to demould according to claim 3, characterized in that: A second pulley (604) is passed through the bottom ends of the two second threaded cylinders (602), and a second belt (605) is provided outside the two second pulleys (604); a first gear (606) is passed through the top end of one of the second threaded cylinders (602); a second motor (608) is fixedly provided at the top of the support frame (601) via a bracket; a second gear (607) is passed through the output shaft of the second motor (608), and the second gear (607) is meshed with the first gear (606).

5. The casting mold for easy demoulding according to claim 1, characterized in that: The cooling mechanism (7) comprises a cooling fan (701) arranged on the top of the workbench (1); a connecting rod (702) is fixedly arranged at the bottom of the cooling fan (701); the bottom end of the connecting rod (702) passes through the workbench (1) and extends out of the bottom of the workbench (1); a limiting groove is provided on the workbench (1); the connecting rod (702) slides inside the limiting groove; the top of the support plate (4) is movably connected to the limiting cylinder (703) via a bearing; the top of the limiting cylinder (703) is fixedly connected to the bottom end of the connecting rod (702).

6. A casting mold that is easy to demould according to claim 5, characterized in that: A third gear (704) is fixedly provided on the top of the limiting cylinder (703); a rotating shaft (705) is movably connected to one side of the top of the support plate (4) via a bearing; a fourth gear (706) is fixedly provided on the top of the rotating shaft (705); the third gear (704) meshes with the fourth gear (706); the bottom end of the rotating shaft (705) passes through the support plate (4) and extends out of the bottom of the support plate (4); a third motor (707) is fixedly provided on the bottom end of the rotating shaft (705); and the third motor (707) is fixed to the bottom of the support plate (4) via a bracket.

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