Low-pressure casting machine

Abstract

The utility model provides a low-pressure casting machine which comprises a base, the top of the base is fixedly connected with a support, a driving piece is arranged on the outer side of the support, a limiting piece is arranged in the support, a cooling piece is arranged on the outer side of the limiting piece, and a buffering piece is arranged on the outer side of the driving piece. The driving part comprises a first hydraulic rod fixedly connected to the top of the support, the output end of the first hydraulic rod is fixedly connected with an upper casting plate, the top of the base is fixedly connected with a lower casting plate, the limiting part comprises a fixing rod fixedly connected to the interior of the support, and the outer side of the fixing rod is fixedly connected with a second hydraulic rod; a piston rod of the second hydraulic rod is fixedly connected with a pressing block, and the cooling piece comprises an air pump fixedly connected to the top of the support. The low-pressure casting machine solves the problems that an air cooler in an existing device is arranged on the upper portion of a support and is far away from a die casting, and cooling efficiency is low.

Description

Technical Field

[0001] The utility model relates to the technical field of casting machines, in particular to a low-pressure casting machine. Background Art

[0002] Casting is the process of melting metal into a liquid that meets certain requirements and pouring it into a mold. After cooling, solidification and cleaning, a casting with a predetermined shape, size and performance is obtained. When die-casting workpieces, a low-pressure casting machine is required.

[0003] After searching, the patent document with authorization number: CN214814717U discloses "a low-pressure casting machine". By arranging a cooling air fan on the other side of the upper die-casting plate, after the die-casting is completed, the upper die-casting plate is directly turned over and the casting is fixed, so that the casting can be quickly cooled. However, the cooling air fan in the above device is on the upper part of the bracket, which is far away from the die-casting and has a low cooling efficiency. Utility Model Content

[0004] In order to solve the above technical problems, the utility model provides a low-pressure casting machine which is easy to use.

[0005] The low-pressure casting machine provided by the utility model comprises a base, the top of the base is fixedly connected with a bracket, the outer side of the bracket is provided with a driving member, the interior of the bracket is provided with a limiting member, the outer side of the limiting member is provided with a cooling member, and the outer side of the driving member is provided with a buffer member.

[0006] As a low-pressure casting machine provided by the utility model, preferably, the driving member includes a first hydraulic rod fixedly connected to the top of the bracket, the output end of the first hydraulic rod is fixedly connected to the upper casting plate, and the top of the base is fixedly connected to the lower casting plate.

[0007] As a low-pressure casting machine provided by the utility model, preferably, the limiter comprises a fixing rod fixedly connected to the inside of the bracket, a second hydraulic rod is fixedly connected to the outer side of the fixing rod, and a pressure block is fixedly connected to the piston rod of the second hydraulic rod.

[0008] As a low-pressure casting machine provided by the utility model, preferably, the cooling member comprises an air pump fixedly connected to the top of the bracket, the outside of the air pump is connected to a conduit, the outside of the conduit is connected to a nozzle, and the nozzle is fixedly connected to the pressing block.

[0009] As a low-pressure casting machine provided by the utility model, preferably, the buffer member includes a fixed sleeve fixedly connected to the bottom of the upper casting plate, a connecting rod is inserted into the interior of the fixed sleeve, a connecting block is fixedly connected to the bottom of the connecting rod, and a spring is provided on the outer side of the fixed sleeve.

[0010] As a low-pressure casting machine provided by the utility model, preferably, the buffer component also includes a rubber pad fixedly connected to the bottom of the connecting block.

[0011] As a low-pressure casting machine provided by the utility model, preferably, a limiting ring is fixedly connected to the inner side of the bracket, and the conduit is arranged inside the limiting ring.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] The low-pressure casting machine starts an air pump and uses a conduit to input wind power into a nozzle. The nozzle is arranged on the outside of the pressing block and is close to the workpiece. The nozzle is used to blow air to the workpiece to cool the workpiece and accelerate the cooling rate of the workpiece. The connecting block drives the connecting rod to slide inside the fixed sleeve and drives the spring to contract, forming a buffer between the upper casting plate and the lower casting plate to avoid damage to the lower casting plate caused by excessive pressure. This solves the problem that the air cooler in the existing device is located on the upper part of the bracket, is far away from the die-casting, and has low cooling efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 A schematic structural diagram of a preferred embodiment of the low-pressure casting machine provided by the utility model;

[0015] Figure 2 This is a schematic diagram of the structure of the buffer of the utility model;

[0016] Figure 3 It is a structural schematic diagram of the limiter of the utility model.

[0017] Numbers in the figure: 1. base; 2. bracket; 3. driving member; 301. first hydraulic rod; 302. upper casting plate; 303. lower casting plate; 4. limiting member; 401. fixing rod; 402. second hydraulic rod; 403. pressing block; 5. cooling member; 501. air pump; 502. conduit; 503. nozzle; 6. buffer member; 601. fixing sleeve; 602. connecting rod; 603. connecting block; 604. spring; 605. rubber pad; 7. limiting ring. DETAILED DESCRIPTION

[0018] The utility model is further described below in conjunction with the accompanying drawings and implementation modes.

[0019] Please refer to Figure 1 , Figure 2 and Figure 3 ,in Figure 1 A schematic structural diagram of a preferred embodiment of the low-pressure casting machine provided by the utility model; Figure 2 This is a schematic diagram of the structure of the buffer of the utility model; Figure 3A low-pressure casting machine comprises a base 1, a bracket 2 is fixedly connected to the top of the base 1, a driving member 3 is arranged outside the bracket 2, a limiting member 4 is arranged inside the bracket 2, a cooling member 5 is arranged outside the limiting member 4, and a buffer member 6 is arranged outside the driving member 3;

[0020] The position limiting member 4 includes a fixed rod 401 fixedly connected to the inside of the bracket 2, a second hydraulic rod 402 is fixedly connected to the outer side of the fixed rod 401, and a pressure block 403 is fixedly connected to the piston rod of the second hydraulic rod 402;

[0021] The cooling member 5 includes an air pump 501 fixedly connected to the top of the bracket 2, the outer side of the air pump 501 is connected to a conduit 502, the outer side of the conduit 502 is connected to a nozzle 503, and the nozzle 503 is fixedly connected to the pressing block 403;

[0022] It should be noted that: after the die-casting of the workpiece is completed, the second hydraulic rod 402 is turned on, and the second hydraulic rod 402 drives the pressure block 403 to move toward the workpiece until the pressure block 403 contacts the side of the workpiece to clamp the workpiece, and then the air pump 501 is turned on, and the wind force is input into the nozzle 503 through the conduit 502, and the nozzle 503 is used to blow air to the workpiece to cool the workpiece and accelerate the cooling rate of the workpiece.

[0023] In the specific implementation process, Figure 1 , Figure 2 and Figure 3 As shown, the driving member 3 includes a first hydraulic rod 301 fixedly connected to the top of the bracket 2, the output end of the first hydraulic rod 301 is fixedly connected to the upper casting plate 302, and the top of the base 1 is fixedly connected to the lower casting plate 303.

[0024] It should be noted that when die-casting a workpiece, the first hydraulic rod 301 is turned on to drive the upper casting plate 302 to move downward and contact the lower casting plate 303 to die-cast the workpiece.

[0025] The buffer 6 comprises a fixed sleeve 601 fixedly connected to the bottom of the upper casting plate 302 , a connecting rod 602 is inserted into the fixed sleeve 601 , a connecting block 603 is fixedly connected to the bottom of the connecting rod 602 , and a spring 604 is sleeved on the outer side of the fixed sleeve 601 .

[0026] The buffer member 6 further includes a rubber pad 605 fixedly connected to the bottom of the connecting block 603 .

[0027] The inner side of the bracket 2 is fixedly connected to a limiting ring 7 , and the catheter 502 is arranged inside the limiting ring 7 .

[0028] It should be noted that when the lower casting plate 303 moves downward, it first drives the connecting block 603 to contact the lower casting plate 303, and the connecting block 603 drives the connecting rod 602 to slide inside the fixed sleeve 601, and at the same time drives the spring 604 to contract, forming a buffer between the upper casting plate 302 and the lower casting plate 303 to prevent excessive pressure from causing damage to the lower casting plate 303. The rubber pad 605 improves the protection effect, and the limiting ring 7 is used to limit the conduit 502 to prevent the conduit 502 from being messy and affecting its use.

[0029] The working principle of a low-pressure casting machine provided by the utility model is as follows:

[0030] When die-casting a workpiece, the first hydraulic rod 301 is turned on to drive the upper casting plate 302 to move downward and contact the lower casting plate 303 to die-cast the workpiece. After the die-casting of the workpiece is completed, the second hydraulic rod 402 is turned on to drive the pressing block 403 to move toward the workpiece until the pressing block 403 contacts the side of the workpiece to clamp and fix the workpiece. Then, the air pump 501 is turned on to input wind power into the nozzle 503 through the conduit 502, and the nozzle 503 is used to blow air to the workpiece to cool the workpiece. To accelerate the cooling rate of the workpiece, when the lower casting plate 303 moves downward, it first drives the connecting block 603 to contact the lower casting plate 303, and the connecting block 603 drives the connecting rod 602 to slide inside the fixed sleeve 601, and at the same time drives the spring 604 to contract, forming a buffer between the upper casting plate 302 and the lower casting plate 303 to prevent excessive pressure from causing damage to the lower casting plate 303. The rubber pad 605 improves the protection effect, and the limiting ring 7 is used to limit the conduit 502 to prevent the conduit 502 from being messy and affecting its use.

[0031] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A low pressure casting machine, characterized in that: The invention comprises a base (1), the top of the base (1) is fixedly connected to a bracket (2), a driving member (3) is arranged on the outside of the bracket (2), a limiting member (4) is arranged inside the bracket (2), a cooling member (5) is arranged on the outside of the limiting member (4), and a buffer member (6) is arranged on the outside of the driving member (3).

2. The low pressure casting machine according to claim 1, characterized in that: The driving member (3) comprises a first hydraulic rod (301) fixedly connected to the top of the bracket (2), the output end of the first hydraulic rod (301) is fixedly connected to an upper casting plate (302), and the top of the base (1) is fixedly connected to a lower casting plate (303).

3. The low pressure casting machine according to claim 1, characterized in that: The limiting member (4) comprises a fixing rod (401) fixedly connected to the inside of the bracket (2), a second hydraulic rod (402) being fixedly connected to the outside of the fixing rod (401), and a pressure block (403) being fixedly connected to the piston rod of the second hydraulic rod (402).

4. The low pressure casting machine according to claim 3, characterized in that: The cooling element (5) comprises an air pump (501) fixedly connected to the top of the bracket (2); the outer side of the air pump (501) is connected to a conduit (502); the outer side of the conduit (502) is connected to a nozzle (503); and the nozzle (503) is fixedly connected to the pressing block (403).

5. The low pressure casting machine according to claim 2, characterized in that: The buffer member (6) comprises a fixed sleeve (601) fixedly connected to the bottom of the upper casting plate (302), a connecting rod (602) is inserted into the interior of the fixed sleeve (601), a connecting block (603) is fixedly connected to the bottom of the connecting rod (602), and a spring (604) is provided on the outer side of the fixed sleeve (601).

6. The low pressure casting machine according to claim 1, characterized in that: The buffer member (6) further comprises a rubber pad (605) fixedly connected to the bottom of the connecting block (603).

7. The low pressure casting machine according to claim 4, characterized in that: The inner side of the support (2) is fixedly connected to a limiting ring (7), and the catheter (502) is arranged inside the limiting ring (7).

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