Precise part die-casting forming die

Abstract

The utility model discloses a die-casting forming die for precise parts. The die-casting forming die comprises a bottom frame, an air cylinder and an inclined pushing column. A fixed mold is arranged at the top of the bottom frame, stand columns are arranged on the two sides of the top of the bottom frame, and a top plate is arranged at the tops of the stand columns. Through cooperative work of the inclined guide column, the sliding seat, the spring A and other components, automatic demolding is achieved, demolding efficiency is improved, manual operation is reduced, labor intensity is lowered, it can be guaranteed that the demolding process is stable and reliable, and the situation that parts are damaged or demolding is incomplete due to human factors is avoided; materials in the die-casting process are cooled through a cooling system composed of two sets of water storage cavities, a water pump A, a water pump B and a cooling cavity, the internal structure of parts can be more compact through rapid cooling, the defects of shrinkage cavities, looseness and the like are reduced, the precision and mechanical performance of the parts are improved, and the quality requirement of precise parts is met; the limiting block is matched with the stand column, and it is ensured that the movable mold moves stably in the mold opening and closing process.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of component die casting mould, specifically to a precision type spare part die casting forming die. BACKGROUND

[0002] Die casting refers to the process of metal under the action of other external force die casting mold, the main feature of die casting is that metal fills the cavity under high pressure and high speed, and forms under high pressure, because the cost of casting equipment and mold is high, therefore die casting process is generally only used for batch manufacturing of large quantities of products, and it is relatively easy to manufacture die casting spare parts, and the single cost increment is very low, and die casting is particularly suitable for manufacturing large quantities of medium and small castings, therefore die casting is the most widely used in various casting processes.

[0003] In the related art, a kind of mechanical part rapid die casting mould (announcement number: CN207857831U) scheme is found by searching, after closure and closure, because main fixed mouth and main fixed body correspond, so that main fixed mouth and main fixed body are also completely closed, and vice fixed mouth and vice fixed body are closed, after all are closed, rotating circular fixed knob, can make that circular fixed body in main fixed mouth slowly moves, inserts circular fixed mouth in main fixed body, locks, then moves rectangular fixed switch, can make that rectangular fixed body in vice fixed mouth moves out and inserts rectangular fixed mouth in vice fixed body and locks.

[0004] However, in the prior art die casting mold technology, the above demolding mode depends on manual operation, workers need to take out the die casting formed parts from the mold after the mold is opened, which not only is low in efficiency, but also needs to wait for workers to operate for a certain time each time demolding, prolongs the entire production cycle, and manual operation cannot guarantee the consistency and accuracy of each demolding action, due to factors such as worker fatigue and skill difference, which can easily cause collision and scratching of the parts during demolding, resulting in damage to the parts, and the parts are often not completely demolded, which needs secondary processing, further reducing production efficiency and increasing production cost.

[0005] Therefore, we launch a precision type spare part die casting forming die. UTILITY MODEL CONTENTS

[0006] The utility model aims at providing a precision type spare part die casting forming die to solve the problems in the above background art.

[0007] To achieve the above object, the utility model provides the following technical scheme: a precision type spare part die casting forming die, comprising: a bottom frame, a gas cylinder and an inclined pushing column.

[0008] The top of the bottom frame is provided with a fixed die which is fixedly arranged with the bottom frame, preferably bolted, and both sides of the top of the bottom frame are provided with columns, the number of which is two groups, which are fixedly arranged with the top of the bottom frame, and the top of the column is provided with a top plate;

[0009] The cylinder is arranged at the top of the top plate and is bolted at the top of the top plate, the bottom of the top plate is provided with a lifting block at the output end of the cylinder, and the bottom of the lifting block is provided with a movable die;

[0010] The inclined pushing column is slidably connected in the inner part of the fixed die, and the inner part of the fixed die is provided with a hollow groove for slidably connecting the inclined pushing column, which is integrally formed with the fixed die;

[0011] The side of the fixed die is provided with a pushing mechanism, the inclined guide column of the pushing mechanism is inserted into the inner part of the sliding seat, so that the spring A of the pushing mechanism pushes the sliding seat, the inclined pushing plate and the inclined pushing column to move, and the inclined pushing column pushes out the die casting part.

[0012] Preferably, the pushing mechanism comprises a positioning plate arranged at the top of the bottom frame and located at one side of the fixed die, which is fixedly arranged with the bottom frame, the spring A is connected to one side of the positioning plate, the sliding seat is slidably connected to the top of the bottom frame and located at one side of the spring A, the inclined pushing plate is connected to the other side of the sliding seat, which is fixedly arranged with the sliding seat, the other side of the inclined pushing plate is arranged in the inner part of the fixed die and located below the inclined pushing column, the bottom of the lifting block is provided with a mounting block at one side of the movable die, which is fixedly arranged with the lifting block, the inclined guide column is connected to the bottom of the mounting block, which is fixedly arranged with the mounting block, the inner part of the sliding seat is provided with an inclined guide groove for inserting the inclined guide column, which is integrally formed with the sliding seat, and the size of the inclined guide groove matches the size of the inserted inclined guide column, facilitating insertion.

[0013] Preferably, the inner part of the fixed die is provided with a sliding groove, which is integrally formed with the fixed die, one side of the inclined pushing column is connected with a sliding block, which is fixedly arranged with the inclined pushing column, the inner part of the sliding groove is provided with a spring B at the top of the sliding block, which provides certain buffering and auxiliary resetting function, and the sliding block is slidably connected in the inner part of the sliding groove.

[0014] Preferably, the inner part of the bottom frame is provided with a water storage cavity, the number of which is two groups, which are integrally formed with the bottom frame.

[0015] Preferably, the inside of one group of the water storage cavities is connected with a water pump A, the water pump A is used for discharging water source into the inside of the cooling cavity, the output end of the water pump A is connected with a water pipe A, the water pipe A is connected with the output end of the water pump A through bolts, the inside of the fixed mold is provided with the cooling cavity, the cooling cavity and the fixed mold are integrally formed, and one end of the water pipe A enters the inside of the cooling cavity.

[0016] Preferably, the inside of another group of the water storage cavities is connected with a water pump B, the water pump B is used for sucking out water source in the inside of the cooling cavity, the output end of the water pump B is connected with a water pipe B, the water pipe B is connected with the output end of the water pump B through bolts, and one end of the water pipe B extends to the inside of the cooling cavity.

[0017] Preferably, the side of the bottom frame is connected with an inlet and outlet pipe on one side of the water storage cavity, the inlet and outlet pipe is used for supplementing water in the water storage cavity or discharging used water, and the cooling system can continuously and stably operate.

[0018] Preferably, the side of the lifting block is connected with a limiting block, and the limiting block is slidably connected with the surface of the column, the limiting block slides on the surface of the column, plays a guiding and limiting role, ensures that the movable mold is accurately combined with the fixed mold, and avoids mispositioning and other problems.

[0019] Preferably, the inside of the fixed mold is provided with a mold cavity, and the mold cavity and the fixed mold are integrally formed.

[0020] Compared with the prior art, the utility model has the advantages that:

[0021] (1) Through the cooperative work of the inclined guide column, the sliding seat and the spring A, automatic demolding is realized, the demolding efficiency is greatly improved, manual operation is reduced, the labor intensity is reduced, the demolding process is stable and reliable, and the damage or incomplete demolding of parts caused by human factors is avoided.

[0022] (2) The cooling system composed of the two groups of water storage cavities, the water pump A, the water pump B and the cooling cavity can efficiently cool the material in the die casting process, the rapid cooling can make the internal organization of the part more dense, reduce defects such as shrinkage cavity and porosity, improve the precision and mechanical properties of the part, and meet the quality requirements of the precision parts.

[0023] (3) The stable frame structure formed by the bottom frame, the column and the top plate provides firm support for the whole mold, the cooperation of the limiting block and the column ensures that the movable mold moves stably during the mold opening and closing process and will not shake or deviate, the service life of the mold and the dimensional accuracy of the die casting parts are guaranteed, and the buffering and auxiliary resetting effect of the spring B on the inclined pushing column also helps to maintain the stability and reliability of the demolding mechanism. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1The utility model discloses a structure schematic drawing of the utility model;

[0025] Figure 2 The utility model discloses a structure schematic drawing when positioning plate, spring A, sliding seat and inclined push plate are connected.

[0026] Figure 3 The utility model discloses a structure schematic drawing of the utility model fixed mould side section.

[0027] Figure 4 The utility model discloses a structure schematic drawing when top plate, lifting block and movable mould are connected.

[0028] Figure 5 The utility model discloses a structure schematic drawing of the utility model bottom frame side section.

[0029] In the drawing: 1, bottom frame, 2, stand, 3, top plate, 4, cylinder, 5, lifting block, 6, movable mould, 7, fixed mould, 8, mould cavity, 9, cooling cavity, 10, water storage cavity, 11, inlet and outlet pipe, 12, water pump A, 13, water pipe A, 14, water pipe B, 15, water pump B, 16, sliding seat, 17, inclined push column, 18, spring B, 19, sliding block, 20, sliding groove, 21, empty slot, 22, inclined push plate, 23, inclined guide groove, 24, spring A, 25, positioning plate, 26, limit block, 27, mounting block, 28, inclined guide column. Specific implementation

[0030] The technical scheme in the embodiments of the utility model will be apparently and completely described in combination with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without making creative efforts belong to the range of protection of the utility model.

[0031] Please refer to Figures 1-5 The utility model provides a kind of technical scheme: a precision type spare part die casting forming mould, comprising: bottom frame 1, the top of the bottom frame 1 is provided with fixed mould 7, the top of the bottom frame 1 is provided with stand 2 on both sides, the top of the stand 2 is provided with top plate 3;

[0032] Cylinder 4, the cylinder 4 is arranged at the top of top plate 3, and lifting block 5 is arranged at the output end of cylinder 4 on the bottom of top plate 3, and movable mould 6 is arranged at the bottom of lifting block 5.

[0033] Inclined push column 17, the inclined push column 17 is slidably connected in the inside of fixed mould 7, and empty slot 21 for slidably connecting inclined push column 17 is formed in the inside of fixed mould 7.

[0034] The side of the fixed mold 7 is provided with a pushing mechanism, the inclined guide column 28 of the pushing mechanism is inserted into the inside of the sliding seat 16, so that the spring A24 of the pushing mechanism pushes the sliding seat 16, the inclined pushing plate 22 and the inclined pushing column 17 to move, and the inclined pushing column 17 pushes out the die casting part.

[0035] The pushing mechanism comprises a positioning plate 25 arranged on the top of the bottom frame 1 and located at one side of the fixed mold 7, the spring A24 is connected to one side of the positioning plate 25, the sliding seat 16 is slidably connected to the top of the bottom frame 1 and located at one side of the spring A24, the inclined pushing plate 22 is connected to the other side of the sliding seat 16, the other side of the inclined pushing plate 22 is arranged in the inside of the fixed mold 7 and located below the inclined pushing column 17, the bottom of the lifting block 5 is provided with a mounting block 27 at one side of the movable mold 6, the inclined guide column 28 is connected to the bottom of the mounting block 27, and the mounting block 27 and the inclined guide column 28 are fixedly arranged, the inside of the sliding seat 16 is provided with an inclined guide groove 23 for inserting the inclined guide column 28, and the inclined guide groove 23 and the sliding seat 16 are integrally formed, and the size of the inclined guide groove 23 matches the size of the inserted inclined guide column 28, so that the insertion is facilitated.

[0036] The inside of the fixed mold 7 is provided with a sliding groove 20, and the sliding groove 20 and the fixed mold 7 are integrally formed, one side of the inclined pushing column 17 is connected with a sliding block 19, and the sliding block 19 and the inclined pushing column 17 are fixedly arranged, the inside of the sliding groove 20 is provided with a spring B18 on the top of the sliding block 19, the spring B18 provides certain buffering and auxiliary resetting effect, and the sliding block 19 is slidably connected in the inside of the sliding groove 20.

[0037] The inside of the bottom frame 1 is provided with a water storage cavity 10, and the number of the water storage cavities 10 is two groups, and the two groups of water storage cavities 10 and the bottom frame 1 are integrally formed.

[0038] One group of the water storage cavities 10 is connected with a water pump A12 in the inside, the water pump A12 is used for discharging water source into the inside of the cooling cavity 9, the output end of the water pump A12 is connected with a water pipe A13, the water pipe A13 is connected to the output end of the water pump A12 through bolts, the inside of the fixed mold 7 is provided with a cooling cavity 9, and the cooling cavity 9 and the fixed mold 7 are integrally formed, and one end of the water pipe A13 enters the inside of the cooling cavity 9.

[0039] The inside of the other group of the water storage cavities 10 is connected with a water pump B15, the water pump B15 is used for sucking water source in the inside of the cooling cavity 9, the output end of the water pump B15 is connected with a water pipe B14, the water pipe B14 is connected to the output end of the water pump B15 through bolts, and one end of the water pipe B14 extends into the inside of the cooling cavity 9.

[0040] The side of the bottom frame 1 is connected with an inlet and outlet pipe 11 on one side of the water storage cavity 10, which is used for supplementing water in the water storage cavity 10 or discharging used water, so as to ensure the continuous and stable operation of the cooling system.

[0041] The side of the lifting block 5 is connected with a limiting block 26 which is slidingly connected on the surface of the column 2. The limiting block 26 slidingly moves on the surface of the column 2, so as to guide and limit the movement, so as to ensure that the movable mold 6 accurately combines with the fixed mold 7, and avoid misalignment and other problems.

[0042] The inside of the fixed mold 7 is provided with a mold cavity 8 which is integrally formed with the fixed mold 7.

[0043] Specifically, in use, the cylinder 4 is started, the piston rod of the cylinder 4 is extended, the lifting block 5 is pushed to move downward along the column 2, since the bottom of the lifting block 5 is connected with the movable mold 6, the movable mold 6 moves downward until it is attached to the fixed mold 7, at this time, the mold cavity 8 is closed, so as to prepare for die casting, in the process of the lifting block 5 moving downward, the limiting block 26 on the side of the lifting block 5 slidingly moves on the surface of the column 2, so as to guide and limit the movement, so as to ensure that the movable mold 6 accurately combines with the fixed mold 7, and avoid misalignment and other problems.

[0044] When the lifting block 5 drives the movable mold 6 to move downward to above the fixed mold 7, then the inclined guide column 28 at the bottom of the lifting block 5 is inserted into the inclined guide groove 23 in the inside of the sliding seat 16, the sliding seat 16 will slide on the top of the bottom frame 1, so as to cause the sliding seat 16 to compress the spring A 24, the inclined push plate 22 on the other side of the sliding seat 16 is separated from the inside of the fixed mold 7, and then is separated from the bottom of the inclined push column 17.

[0045] The liquid metal or other die casting material is injected into the mold cavity 8, the material is cooled and solidified in the mold cavity 8, and gradually forms a precise part, in this process, the two groups of water storage cavities 10 in the inside of the bottom frame 1 play a cooling role, the water pump A 12 pumps out the water in one group of water storage cavities 10, and sends the water into the cooling cavity 9 of the fixed mold 7 through the water pipe A 13, so as to cool the die casting material in the mold cavity 8, at the same time, the water pump B 15 pumps out the water in the other group of water storage cavities 10, and also sends the water into the cooling cavity 9 through the water pipe B 14, so as to strengthen the cooling effect and accelerate the cooling speed of the part, so as to improve the production efficiency, the inlet and outlet pipe 11 is used for supplementing water in the water storage cavity 10 or discharging used water, so as to ensure the continuous and stable operation of the cooling system.

[0046] After the die casting is completed, the piston rod of the cylinder 4 is retracted, driving the lifting block 5 and the movable mold 6 to move upwards, so as to realize mold opening, in the process of the upward movement of the movable mold 6, the mounting block 27 is lifted together with the lifting block 5, the inclined guide column 28 at the bottom of the mounting block 27 is gradually drawn out of the inclined guide groove 23 of the sliding seat 16, when the inclined guide column 28 is drawn out, the sliding seat 16 originally limited by the inclined guide column 28 is slid along the top of the bottom frame 1 under the elastic force of the spring A 24, the movement of the sliding seat 16 drives the inclined pushing plate 22 to move, the inclined pushing plate 22 in turn drives the inclined pushing column 17 to move upwards in the empty groove 21, in the process of the upward movement of the inclined pushing column 17, the sliding block 19 at one side thereof slides in the sliding groove 20, the spring B 18 at the top of the sliding block 19 provides certain buffering and auxiliary resetting functions, finally, the inclined pushing column 17 pushes the die-cast part out of the mold cavity 8, so as to complete the demolding operation, and then facilitate use.

[0047] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A precision die-casting mold for parts, characterized in that, Include: The bottom frame (1), the top of the bottom frame (1) is provided with a fixed mold (7), the top of the bottom frame (1) is provided with a stand (2) on both sides, the top of the stand (2) is provided with a top plate (3); The cylinder (4) is arranged on the top of the top plate (3), the bottom of the top plate (3) is arranged on the output end of the cylinder (4), the bottom of the lifting block (5) is provided with a movable mold (6); The inclined push column (17) is slidably connected in the fixed mold (7), and the fixed mold (7) is provided with a groove (21) for sliding the inclined push column (17); The side of the fixed mold (7) is provided with a push mechanism, the inclined guide column (28) of the push mechanism is inserted into the inside of the sliding seat (16), the spring A (24) of the push mechanism pushes the sliding seat (16), the inclined push plate (22) and the inclined push column (17) to move, and the inclined push column (17) pushes out the die casting parts.

2. The precision die-casting mold for a small part according to claim 1, wherein The push mechanism includes a positioning plate (25) arranged on the top of the bottom frame (1) and located on one side of the fixed mold (7), the spring A (24) is connected to one side of the positioning plate (25), the sliding seat (16) is slidably connected to the top of the bottom frame (1) and located on one side of the spring A (24), the inclined push plate (22) is connected to the other side of the sliding seat (16), the other side of the inclined push plate (22) is arranged in the fixed mold (7) and located below the inclined push column (17), the bottom of the lifting block (5) is provided with a mounting block (27) on one side of the movable mold (6), the inclined guide column (28) is connected to the bottom of the mounting block (27), and the inside of the sliding seat (16) is provided with an inclined guide groove (23) for inserting the inclined guide column (28).

3. The precision die-casting mold for a small part according to claim 2, wherein The inside of the fixed mold (7) is provided with a sliding groove (20), one side of the inclined push column (17) is connected with a sliding block (19), the inside of the sliding groove (20) is provided with a spring B (18) on the top of the sliding block (19), and the sliding block (19) is slidably connected in the inside of the sliding groove (20).

4. The precision die-casting mold for a small part according to claim 1, wherein The inside of the bottom frame (1) is provided with a water storage cavity (10), and the number of the water storage cavity (10) is two groups.

5. The precision part die-casting mold according to claim 4, wherein One group of the water storage cavity (10) is connected with a water pump A (12) in the inside, the output end of the water pump A (12) is connected with a water pipe A (13), the inside of the fixed mold (7) is provided with a cooling cavity (9), and one end of the water pipe A (13) enters into the inside of the cooling cavity (9).

6. The precision die-casting mold for a small part according to claim 5, wherein The inside of the other group of the water storage cavity (10) is connected with a water pump B (15), the output end of the water pump B (15) is connected with a water pipe B (14), and one end of the water pipe B (14) extends into the inside of the cooling cavity (9).

7. The precision die-casting mold for a small part according to claim 4, wherein The side of the bottom frame (1) is connected with an inlet and outlet pipe (11) on one side of the water storage cavity (10).

8. The precision die-casting mold for a small part according to claim 1, wherein The side of the lifting block (5) is connected with a limiting block (26), and the limiting block (26) is slidably connected on the surface of the stand (2).

9. The precision part die-casting mold according to claim 1, wherein The inside of the fixed mold (7) is provided with a mold cavity (8).

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