CN219648675U - A precision parts processing casting mold - Google Patents

Abstract

The utility model discloses a precision parts processing casting mold, which includes a lower mold. A plurality of fixed rods are fixed on the upper end of the lower mold. A horizontal plate is fixed on the upper ends of the plurality of fixed rods. The plurality of fixed rods are fixed together. The circumferential side walls of the upper mold are jointly slidably connected to the upper mold. Telescopic cylinders are fixed at both ends of the lower mold. The rod heads of the two telescopic cylinders are fixed to the bottom of the upper mold. The bottom of the upper mold is provided with a mounting hole. A mounting block is connected to the inside of the mounting slot through two sets of limiting installation devices, and a model block is fixed at the bottom of the mounting block. By setting the limit installation device, after the vertical rod and the horizontal plate are offset, the trapezoidal push block can be used to push the clamping block along the trapezoidal slot, so that the clamping block and the clamping slot can be automatically separated. At this time, only a single step is required. The model block can be taken out by holding the model block, which makes the replacement of the model block more convenient and facilitates the casting processing of different products.

Description

A precision parts processing casting mold

Technical field

The utility model relates to the technical field of casting molds, and in particular to a precision parts processing casting mold.

Background technique

Casting mold refers to the mold used to form castings in the casting process. It is an important part of the casting process. The production of large quantities of precision parts requires casting molds;

After searching, the utility model patent with application number "CN202123050490.0" discloses a precision parts processing casting mold, which includes a base. Two boxes are fixedly installed on the top of the base. The inside of the box A driving assembly is fixedly installed. The top of the driving assembly is fixedly connected to a support plate. The bottom of the support plate is movably connected to a first mold body. The top of the base is provided with a second mold body. The first mold body A fixed structure is provided between the support plate and the support plate. The precision parts are processed into a casting mold. By setting up a fixed structure, two pulling blocks are pulled outward. The pulling blocks drive the pull rod to move. The pull rod drives the baffle to move. The baffle drives the part of the pull rod located inside the slot to move outward, and makes the It leaves the slot, and then the shaping mold body can be replaced, thereby meeting the molding needs of different types of precision parts, and solving the problem that the size of the existing casting molds for precision parts processing is relatively fixed, which will affect work efficiency to a certain extent. question;

However, this device achieves the disassembly and separation of the first mold body by manually pulling the pulling blocks to both sides. It cannot be disassembled by a single person, making disassembly more troublesome. Moreover, the device lacks an ejection mechanism. After the parts are formed, the casting mold is relatively unstable. Flexibility makes it difficult to demold parts, which can lead to reduced casting efficiency.

Utility model content

The purpose of this utility model is to propose a precision parts processing casting mold in order to solve the shortcomings existing in the prior art.

In order to achieve the above purpose, the present utility model adopts the following technical solutions:

A precision parts processing casting mold includes a lower mold. A plurality of fixed rods are fixed on the upper end of the lower mold. A horizontal plate is fixed on the upper ends of the plurality of fixed rods. The circumferential side walls of the plurality of fixed rods are The upper mold is jointly slidably connected, and telescopic cylinders are fixed at both ends of the lower mold. The rod heads of the two telescopic cylinders are fixed to the bottom of the upper mold. There is an installation groove at the bottom of the upper mold. The inside of the groove is connected to a mounting block through two sets of limiting mounting devices. A model block is fixed at the bottom of the mounting block. A molding cavity is provided at the upper end of the lower mold. An automatic ejection device is provided inside the lower mold.

Preferably, the automatic ejection device includes a rectangular cavity opened at the bottom of the lower mold. The inner wall of the rectangular cavity is slidingly connected to a moving plate. The bottom of the moving plate is fixedly connected to the inner bottom of the rectangular cavity through a plurality of support springs. .

Preferably, a plurality of push rods and ejector pins are fixed on the upper end of the moving plate, the upper ends of the plurality of push rods all penetrate above the lower mold, and the upper ends of the plurality of ejector rods all penetrate into the inside of the molding cavity.

Preferably, the upper end of the upper mold is rotatably connected to a rotating rod, the circumferential side wall of the rotating rod is fixed with a limit plate, and the end of the limit plate is fixed with a travel switch, and the travel switch corresponds to the horizontal plate. .

Preferably, the limiting installation device includes a horizontal groove opened on the inner wall of the installation groove. The inner wall of the horizontal groove is slidably connected with a blocking block. One end of the blocking block is fixedly connected to the inside of the horizontal groove through a return spring. The installation A clamping slot is provided on the side wall of the block, and the other end of the clamping block corresponds to the clamping slot.

Preferably, a trapezoidal groove is provided at the upper end of the clamping block, and a push block is slidably connected to the inner wall of the trapezoidal groove. The push block is a trapezoidal block, and a vertical rod is fixed at the upper end of the push block. The upper end of the rod penetrates to the top of the upper mold.

Compared with the existing technology, the advantages of this utility model are:

1. In this device, by setting up an automatic ejection device, when the telescopic cylinder drives the upper mold to move upward, the support spring in the compressed state can be used to realize the upward movement and reset of the moving plate, so that the ejection holes inside multiple molding cavities can be used. The rod realizes the ejection of the formed product without the need for manual handling of the product, which can effectively increase the casting efficiency of the product;

2. In this device, by setting the limit installation device, after the vertical rod and the horizontal plate are offset, the trapezoidal push block can be used to push the clamping block along the trapezoidal groove, thereby automatically realizing the separation of the clamping block and the clamping slot. , at this time, only one person needs to hold the model block to take out the model block, which makes the replacement of the model block more convenient and facilitates the casting processing of different products.

Description of the drawings

Figure 1 is a schematic structural diagram of a precision parts processing casting mold proposed by the utility model;

Figure 2 is an enlarged view of part A in Figure 1;

Figure 3 is a main cross-sectional view of the limiting installation device part of a precision parts processing casting mold proposed by the utility model;

Figure 4 is a side view of a casting mold for precision parts processing proposed by the utility model.

In the picture: 1 lower mold, 2 fixed rods, 3 horizontal plates, 4 telescopic cylinders, 5 upper molds, 6 mounting slots, 7 model blocks, 8 molding cavities, 9 rectangular cavities, 10 moving plates, 11 push rods, 12 ejector rods , 13 support spring, 14 rotating rod, 15 limit plate, 16 travel switch, 17 installation block, 18 horizontal slot, 19 clamp block, 20 clamp slot, 21 return spring, 22 trapezoidal slot, 23 push block, 24 vertical rod .

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only part of the embodiments of the present utility model, not all implementations. example.

Referring to Figure 1-4, a precision parts processing casting mold includes a lower mold 1. A plurality of fixed rods 2 are fixed on the upper end of the lower mold 1. A horizontal plate 3 is fixed on the upper ends of the plurality of fixed rods 2. The multiple fixed rods The circumferential side walls of 2 are jointly slidably connected with the upper mold 5. Telescopic cylinders 4 are fixed at both ends of the lower mold 1. The rod heads of the two telescopic cylinders 4 are fixed to the bottom of the upper mold 5. The bottom of the upper mold 5 is provided with The inside of the mounting slot 6 is connected to a mounting block 17 through two sets of limiting installation devices. A model block 7 is fixed at the bottom of the mounting block 17. A molding cavity 8 is provided at the upper end of the lower mold 1. The internal setting of the lower mold 1 is There is an automatic ejection device.

The automatic ejection device includes a rectangular cavity 9 opened at the bottom of the lower mold 1. The inner wall of the rectangular cavity 9 is slidingly connected to a moving plate 10. The bottom of the moving plate 10 is fixedly connected to the inner bottom of the rectangular cavity 9 through a plurality of support springs 13; mobile A plurality of push rods 11 and ejector pins 12 are fixed on the upper end of the plate 10. The upper ends of the plurality of push rods 11 all penetrate above the lower mold 1. The upper ends of the plurality of ejector rods 12 all penetrate into the inside of the molding cavity 8. The ejector rods 12 It is sealed and slidably connected to the inner wall of the molding cavity 8, and when the moving plate 10 reaches the extreme position, the ejector rod 12 is flush with the bottom of the molding cavity 8. By setting an automatic ejection device, the telescopic cylinder 4 can drive the upper mold 5 to move upward. , the support spring 13 in the compressed state is used to realize the upward movement and reset of the moving plate 10, so that the ejector rods 12 inside the multiple molding cavities 8 can be used to eject the molded product without the need for manual product removal, which can effectively Increase the casting efficiency of the product.

A rotating rod 14 is rotatably connected to the upper end of the upper mold 5. The rotating rod 14 is installed more stably. A limit plate 15 is fixed on the circumferential side wall of the rotating rod 14. A limit switch 16 is fixed at the end of the limit plate 15. The limit switch 16 is connected to the limit plate 15. Corresponding to the horizontal plate 3, the travel switch 16 can automatically control the closing of the telescopic cylinder 4 after contacting the bottom of the horizontal plate 3.

The limit installation device includes a horizontal slot 18 opened on the inner wall of the installation slot 6. The inner wall of the horizontal slot 18 is slidably connected to a clamping block 19. The clamping block 19 is a trapezoidal block to facilitate the installation and use of the model block 7. One end of the clamping block 19 is reset by The spring 21 is fixedly connected to the inside of the horizontal groove 18. The side wall of the mounting block 17 is provided with a clamping slot 20. The other end of the clamping block 19 corresponds to the clamping slot 20; the upper end of the clamping block 19 is provided with a trapezoidal slot 22, and the inner wall of the trapezoidal slot 22 is There is a push block 23 slidingly connected. The push block 23 is a trapezoidal block. A vertical rod 24 is fixed on the upper end of the push block 23. The upper end of the vertical rod 24 penetrates to the top of the upper mold 5. By setting a limit installation device, it can be lifted by a single person. The model block 7 can be taken out by holding the model block 7, which makes the replacement of the model block 7 more convenient and facilitates the casting processing of different products.

In the present utility model, during the casting production process of precision parts, the telescopic cylinder 4 drives the upper mold 5 to move downward, so that the model block 7 connected to the bottom of the upper mold 5 moves toward the molding cavity 8 and then moves along the model block 7 Casting raw materials are added into the gap between the mold block 7 and the molding cavity 8. After the raw materials are molded, a product corresponding to the shape of the gap between the model block 7 and the molding cavity 8 can be obtained. During the downward movement of the upper mold 5, the push rod 11 will be pushed downwards. movement, thereby enabling the movable plate 10 to move downward along the inner wall of the rectangular cavity 9, and at the same time, the sealing downward movement of the ejector pin 12 inside the molding cavity 8 and the compression of the multiple support springs 13 can be realized. After the product molding is completed, by The telescopic cylinder 4 drives the upper mold 5 to move upward to separate the model block 7 from the product. At the same time, when the upper mold 5 and the push rod 11 are gradually separated, the push rod 12 can be realized under the action of the support spring 13 in a compressed state. By moving upward, the molded product can be ejected, making it easier to take and use the product;

When the upper mold 5 continues to move upward, the rotating rod 14 and the limit plate 15 will be driven to move. When the travel switch 16 on the upper end of the limit plate 15 offsets the horizontal plate 3, the telescopic cylinder 4 can be automatically extended. The circuit is closed to ensure the stable opening of the mold and facilitate product access;

When the model block 7 needs to be replaced, by rotating the rotating rod 14 before the product is manufactured, the limiting plate 15 can rotate along with the rotating rod 14, thereby realizing the deviation of the travel switch 16 from the horizontal plate 3. , at this time, the telescopic cylinder 4 is used to drive the upper mold 5 to move upward, so that the upper mold 5 can move to the highest position and offset the bottom of the horizontal plate 3, and after the vertical rod 24 at the upper end of the upper mold 5 offsets the bottom of the horizontal plate 3 , slowly control the movement of the upper mold 5. At this time, the trapezoidal push block 23 is used to push the clamping block 19 along the trapezoidal slot 22, so that the clamping block 19 and the clamping slot 20 can be gradually separated, and the return spring 21 can be released. Compression, after the card block 19 and the card slot 20 are completely separated, the model block 7 can be automatically dropped. At this time, only one person needs to hold the model block 7 to replace it, which can make the replacement more convenient and facilitate the use of different parts. The use of casting processing can effectively increase the practicality of the device, and the clamping block 19 can be set as a trapezoidal block, which can offset the inclined end of the clamping block 19 and push the clamping block when the installation block 17 goes deep along the installation groove 6 19 movement and the compression of the return spring 21, so that after the installation block 17 reaches the top of the installation slot 6, the correspondence between the clamping block 19 and the clamping slot 20 can be automatically realized, which facilitates the installation and use of the model block 7, and can make the use of the casting mold more convenient. convenient.

The above are only preferred specific embodiments of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person familiar with the technical field can, within the technical scope disclosed by the present utility model, implement the present utility model according to the present utility model. Novel technical solutions and utility model concepts, including equivalent substitutions or changes, shall be covered by the protection scope of the present utility model.

Claims (6)

1. A precision parts processing casting mold, including a lower mold (1), characterized in that a plurality of fixed rods (2) are fixed on the upper end of the lower mold (1), and the plurality of fixed rods (2) are A horizontal plate (3) is fixed at the upper end together, an upper mold (5) is slidably connected to the circumferential side walls of a plurality of fixed rods (2), and telescopic cylinders (1) are fixed at both ends of the lower mold (1). 4). The rod heads of the two telescopic cylinders (4) are fixed to the bottom of the upper mold (5). The bottom of the upper mold (5) is provided with a mounting slot (6). The mounting slot (6) is A mounting block (17) is connected internally through two sets of limiting mounting devices. A model block (7) is fixed at the bottom of the mounting block (17). A molding cavity (8) is provided at the upper end of the lower mold (1). An automatic ejection device is provided inside the lower mold (1). 2. A precision parts processing casting mold according to claim 1, characterized in that the automatic ejection device includes a rectangular cavity (9) opened at the bottom of the lower mold (1), the rectangular cavity (9) A moving plate (10) is slidably connected to the inner wall of the moving plate (10), and the bottom of the moving plate (10) is fixedly connected to the inner bottom of the rectangular cavity (9) through a plurality of support springs (13). 3. A precision parts processing casting mold according to claim 2, characterized in that a plurality of push rods (11) and ejector rods (12) are fixed on the upper end of the moving plate (10), and a plurality of the The upper ends of the push rods (11) all penetrate above the lower mold (1), and the upper ends of the plurality of push rods (12) all penetrate into the inside of the molding cavity (8). 4. A precision parts processing casting mold according to claim 1, characterized in that the upper end of the upper mold (5) is rotatably connected to a rotating rod (14), and the circumferential side of the rotating rod (14) A limit plate (15) is fixed on the wall, and a travel switch (16) is fixed on the end of the limit plate (15). The travel switch (16) corresponds to the horizontal plate (3). 5. A precision parts processing casting mold according to claim 4, characterized in that the limit installation device includes a horizontal groove (18) opened on the inner wall of the installation groove (6), the horizontal groove (18) A clamping block (19) is slidably connected to the inner wall of the mounting block (19). One end of the clamping block (19) is fixedly connected to the inside of the horizontal groove (18) through a return spring (21). A clamping slot is provided on the side wall of the mounting block (17). (20), the other end of the clamping block (19) corresponds to the clamping slot (20). 6. A precision parts processing casting mold according to claim 5, characterized in that a trapezoidal groove (22) is provided at the upper end of the clamping block (19), and the inner wall of the trapezoidal groove (22) is slidably connected with Push block (23), the push block (23) is a trapezoidal block, a vertical rod (24) is fixed on the upper end of the push block (23), and the upper end of the vertical rod (24) penetrates to the upper mold (5 ) above.