Die-casting die capable of switching runners

Abstract

The utility model relates to the field of die-casting dies, and discloses a die-casting die capable of switching runners, which comprises a top plate, a male die, a female die and a bottom plate, a threaded sleeve is rotatably arranged at the center of the upper end face of the top plate, a sliding groove is formed in the center of the lower end face of the top plate in a penetrating manner, and a threaded rod is rotatably arranged at the center of the upper end face of the male die. Runners are formed in the centers of the two sides and the centers of the front end and the rear end of the upper end face of the male die in a penetrating mode, replacement parts are arranged in the four runners, each replacement part comprises an octagonal hollow block, and connecting blocks are fixedly arranged on the upper end faces of the four octagonal hollow blocks; limiting blocks are fixedly arranged at the positions, close to the lower ends, of the outer walls of the four octagonal hollow blocks in a sleeving mode, and springback grooves are formed in the two sides of the inner walls of the four flow channels. According to the utility model, the plurality of switchable runners can be used for preventing the runners from being blocked to influence the forging progress, and the blocked sections of the runners can be quickly cleaned by disassembling the replacement parts.

Description

Technical Field

[0001] This utility model relates to the field of die casting molds, and in particular to a die casting mold with switchable flow channels. Background Technology

[0002] Die casting molds are a type of mold used for casting liquid forging. The process is completed on a dedicated die casting and forging machine. The basic process is that the molten metal is first cast and filled into the cavity of the mold at a low or high speed. The mold has movable cavity surfaces, and it is forged under pressure as the molten metal cools down.

[0003] In the process of developing this application, the inventors discovered the following problems with the prior art:

[0004] In the existing technology, most die casting molds use a single runner. This design is prone to blockage during use, which can lead to poor forging results or even difficulty in forming the forging, affecting the forging progress. Furthermore, in the existing technology, the runner is directly opened inside the mold, making it difficult to clean when the runner is blocked.

[0005] Therefore, those skilled in the art have provided a die-casting mold with switchable flow channels to solve the problems mentioned in the background art. Utility Model Content

[0006] The purpose of this invention is to address the shortcomings of existing technologies by proposing a die-casting mold with switchable flow channels. This mold can use multiple switchable flow channels to prevent flow channel blockage from affecting the forging progress, and can quickly clean the blocked sections of the flow channels by disassembling and replacing parts.

[0007] To achieve the above objectives, the present invention provides the following technical solution:

[0008] A die-casting mold with switchable flow channels includes a top plate, a punch, a die, and a bottom plate. A threaded sleeve is rotatably provided at the center of the upper upper surface of the top plate, and a sliding groove is provided through the center of the lower end surface of the top plate. A threaded rod is rotatably provided at the center of the upper end surface of the punch. Flow channels are provided through the centers of both sides and the centers of the front and rear ends of the upper end surface of the punch. Replacement parts are provided inside each of the four flow channels.

[0009] Each of the four replacement parts includes an octagonal hollow block. A connecting block is fixedly provided on the upper surface of each of the four octagonal hollow blocks. A limit block is fixedly sleeved on the lower end of the outer wall of each of the four octagonal hollow blocks. Spring grooves are provided on both sides of the inner wall of each of the four flow channels. A snap-fit ​​mechanism is provided inside each of the four spring grooves. Each of the eight snap-fit ​​mechanisms includes an insert. A top pressure spring is fixedly provided at the center of one side of each of the eight inserts. A push plate is movably provided on the inner wall of the die. Spring damping rods are fixedly provided at the four corners of the lower end face of the outer wall of the die.

[0010] Furthermore, the four replacement parts are rotatably disposed inside the four flow channels, and through slots are provided on both sides of the upper end face of the four limiting blocks. The cross-section of the punch is square.

[0011] Furthermore, the eight inserts are slidably disposed inside the eight spring grooves, and the eight top pressure springs are fixedly connected to one side of the inner wall of the eight spring grooves.

[0012] Furthermore, the eight inserts are slidably disposed in pairs in the gaps between the four connecting blocks and the four limiting blocks, and each penetrates one of the eight through slots.

[0013] Furthermore, an injection pipe is embedded at the center of one side of the upper surface of the top plate, and the threaded rod is slidably embedded inside the groove and the thread is set inside the threaded sleeve.

[0014] Furthermore, positioning grooves are provided at the four corners of the lower end face of the top plate, and positioning rods are fixedly provided at the four corners of the upper end face of the punch. The four positioning rods are respectively embedded in the four positioning grooves.

[0015] Furthermore, nine support rods are fixedly provided on the lower end face of the push plate. All nine support rods penetrate the lower end face of the die and are fixedly connected to the base plate. The lower ends of the four spring damping rods are also fixedly connected to the base plate.

[0016] Furthermore, electric push rods are fixedly installed at the four corners of the upper surface of the base plate, and the upper ends of the four electric push rods are fixedly connected to the top plate.

[0017] This utility model has the following beneficial effects:

[0018] 1. This utility model proposes a die-casting mold with switchable flow channels. By rotating the threaded sleeve, the threaded rod pushes the punch downward along the slide groove, thereby disengaging the four positioning rods at the upper end of the punch from the four positioning slots. Then, the punch is rotated so that another flow channel is aligned with the injection pipe on the same vertical line. Then, the threaded sleeve is rotated in the opposite direction, and with the cooperation of the slide groove, the threaded rod drives the punch upward, so that the four positioning rods are respectively embedded in the four positioning slots, thereby restricting the rotation of the punch. This allows for rapid switching of the flow channel when a certain flow channel is blocked, preventing any impact on the forging progress.

[0019] 2. This utility model proposes a die-casting mold with switchable flow channels. By rotating the replacement part, the two inserts in the corresponding flow channels are respectively aligned with the two through slots on the limiting block. Then, the replacement part is pulled upward to remove it from the flow channel, which facilitates cleaning the inside of the clogged replacement part or replacing the entire replacement part. This makes cleaning the clogged flow channel more convenient and quick. At the same time, after die-casting is completed, the die cavity is pressed down and moved slowly downward by the spring damping rod. At this time, the forging inside the die cavity can be removed by the push plate, preventing the forging from sticking inside the die cavity and causing inconvenience in removal. Attached Figure Description

[0020] Figure 1 This is an overall isometric schematic diagram of the present invention;

[0021] Figure 2 This is an isometric schematic diagram of the punch of this utility model;

[0022] Figure 3 This is a schematic diagram of the overall orthographic assembly of this utility model;

[0023] Figure 4 This is a schematic diagram of the threaded rod and sliding groove combination of this utility model;

[0024] Figure 5 This is an isometric schematic diagram of the replacement part of this utility model;

[0025] Figure 6 For the present utility model Figure 3 Enlarged diagram of point A in the middle.

[0026] Legend:

[0027] 1. Top plate; 2. Injection pipe; 3. Threaded sleeve; 4. Punch; 5. Electric push rod; 6. Spring damping rod; 7. Support rod; 8. Push plate; 9. Die; 10. Bottom plate; 11. Threaded rod; 12. Flow channel; 13. Positioning rod; 14. Slide groove; 15. Replacement part; 16. Positioning groove; 17. Through groove; 18. Snap-fit ​​mechanism; 19. Springback groove; 1501. Connecting block; 1502. Octagonal hollow block; 1503. Limiting block; 1801. Insert; 1802. Spring. Detailed Implementation

[0028] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0029] Reference Figures 1 to 6 One embodiment provided by this utility model:

[0030] A die-casting mold with switchable flow channels includes a top plate 1, a punch 4, a die 9, and a bottom plate 10. A threaded sleeve 3 is rotatably provided at the center of the upper end face of the top plate 1, and a sliding groove 14 is provided through the center of the lower end face of the top plate 1. A threaded rod 11 is rotatably provided at the center of the upper end face of the punch 4. Flow channels 12 are provided through the centers of both sides and the centers of the front and rear ends of the upper end face of the punch 4. Replacement parts 15 are provided inside the four flow channels 12.

[0031] Each of the four replacement parts 15 includes an octagonal hollow block 1502. A connecting block 1501 is fixedly installed on the upper surface of each of the four octagonal hollow blocks 1502. A limit block 1503 is fixedly sleeved on the lower end of the outer wall of each of the four octagonal hollow blocks 1502. Spring grooves 19 are opened on both sides of the inner wall of each of the four flow channels 12. A snap-fit ​​mechanism 18 is installed inside each of the four spring grooves 19. Each of the eight snap-fit ​​mechanisms 18 includes an insert 1801. A top pressure spring 1802 is fixedly installed at the center of one side of each of the eight inserts 1801. A push plate 8 is movably installed on the inner wall of the die 9. Spring damping rods 6 are fixedly installed at the four corners of the lower end face of the outer wall of the die 9.

[0032] Specifically, the sliding groove 14, through its cooperation, can drive the threaded rod 11 to move the punch 4 downward during the rotation of the threaded sleeve 3, facilitating the switching of the flow channel 12 by rotating the punch 4. At the same time, the snap-fit ​​mechanism 18 can apply a certain rotational resistance to the replacement part 15 without affecting its rotation, preventing the replacement part 15 from rotating arbitrarily and falling out of the flow channel 12. This allows the replacement part 15 to separate the molten metal from the flow channel 12, preventing the flow channel 12 from becoming blocked and affecting subsequent use. It can also press the die 9 to move downward under the action of the spring damping rod 6, and push the forging out through the push plate 8, thus facilitating demolding.

[0033] Reference Figure 3 , Figure 5 The four replacement parts 15 are respectively rotatably set inside the four flow channels 12. The upper surfaces of the four limit blocks 1503 are all provided with through slots 17. The cross-section of the punch 4 is square.

[0034] Specifically, the replacement part 15 set inside the flow channel 12 allows the molten metal to enter the cavity 9 through the replacement part 15, thereby avoiding direct contact with the flow channel 12. At the same time, the square punch 4 can make all four flow channels 12 lie on the same vertical line as the injection pipe 2 while rotating.

[0035] Reference Figure 3 , Figure 6Eight inserts 1801 are slidably disposed inside eight spring grooves 19, and eight top pressure springs 1802 are fixedly connected to one side of the inner wall of the eight spring grooves 19.

[0036] Specifically, the top spring 1802 ensures that the insert 1801 remains in close contact with the outer wall of the octagonal hollow block 1502 when the replacement part 15 is rotated, thus preventing the replacement part 15 from rotating arbitrarily.

[0037] Reference Figure 3 , Figure 5 , Figure 6 Eight inserts 1801 are slidably disposed in pairs in the gaps between the four connecting blocks 1501 and the four limiting blocks 1503, and each penetrates the eight through slots 17.

[0038] Specifically, by rotating the replacement part 15, the insert 1801 can be rotated in the gap between the connecting block 1501 and the limiting block 1503, so that the insert 1801 can be rotated to a position on the same vertical line as the through slot 17, making it easy to remove the replacement part 15.

[0039] Reference Figure 1 , Figure 3 An injection pipe 2 is embedded in the center of one side of the upper end face of the top plate 1, and the threaded rod 11 is slidably embedded in the groove 14 and the thread is set inside the threaded sleeve 3.

[0040] Specifically, rotating the threaded sleeve 3 allows the threaded rod 11 to move downward under the restriction of the slide groove 14, thereby causing the punch 4 to move downward, thus enabling the punch 4 to rotate and switch the flow channel 12.

[0041] Reference Figure 3 The top plate 1 has positioning grooves 16 at the four corners of the lower end face, and the punch 4 has positioning rods 13 fixedly installed at the four corners of the upper end face. The four positioning rods 13 are respectively embedded in the four positioning grooves 16.

[0042] Specifically, by embedding the positioning rod 13 into the positioning groove 16, the punch 4 can be prevented from rotating arbitrarily.

[0043] Reference Figure 1 , Figure 3 Nine support rods 7 are fixedly installed on the lower end face of the push plate 8. All nine support rods 7 pass through the lower end face of the die 9 and are fixedly connected to the base plate 10. The lower ends of the four spring damping rods 6 are all fixedly connected to the base plate 10.

[0044] Specifically, pressing down on the die 9 allows the spring damping rod 6 to slowly move the die 9 downwards, so that the forging can be ejected from the die 9 by the push plate 8, preventing the forging from sticking to the inner wall of the die 9 and causing demolding difficulties.

[0045] Reference Figure 1, Figure 3 Electric push rods 5 are fixedly installed at the four corners of the upper surface of the base plate 10, and the upper ends of the four electric push rods 5 are fixedly connected to the top plate 1.

[0046] Specifically, the distance between the die 9 and the punch 4 is adjusted by pushing the top plate 1 with the electric push rod 5, so as to realize die casting and demolding.

[0047] Working principle: Rotating the threaded sleeve 3 causes the threaded rod 11 to move the punch 4 downward under the restriction of the slide groove 14, causing the positioning rod 13 to disengage from the positioning groove 16. At this time, the punch 4 can be rotated to adjust the position of the other flow channel 12 so that it is on the same vertical line as the pouring pipe 2, thereby preventing the blockage of a single flow channel 12 from affecting the subsequent forging process. At the same time, the replacement part 15 on the inner wall of the flow channel 12 can isolate the molten metal from direct contact with the flow channel 12. When the replacement part 15 is blocked, rotating the replacement part 15 causes the two through grooves 17 on the limiting block 1503 to be on the same vertical line as the two inserts 1801 inside the same flow channel 12. At this time, the replacement part 15 can be pulled up to remove it for cleaning or replacement, making the cleaning process simpler and faster.

[0048] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A die-casting mold with switchable flow channels, comprising a top plate (1), a punch (4), a die (9), and a bottom plate (10), characterized in that: A threaded sleeve (3) is rotatably provided at the center of the upper end face of the top plate (1), a sliding groove (14) is provided through the center of the lower end face of the top plate (1), a threaded rod (11) is rotatably provided at the center of the upper end face of the punch (4), and flow channels (12) are provided through the centers of both sides and the centers of the front and rear ends of the upper end face of the punch (4), and replacement parts (15) are provided inside the four flow channels (12); Each of the four replacement parts (15) includes an octagonal hollow block (1502), and a connecting block (1501) is fixedly provided on the upper surface of each of the four octagonal hollow blocks (1502). A limit block (1503) is fixedly sleeved on the lower end of the outer wall of each of the four octagonal hollow blocks (1502). Spring grooves (19) are provided on both sides of the inner wall of each of the four flow channels (12). A snap-fit ​​mechanism (18) is provided inside each of the four spring grooves (19). Each of the eight snap-fit ​​mechanisms (18) includes an insert (1801). A top pressure spring (1802) is fixedly provided at the center of one side of each of the eight inserts (1801). A push plate (8) is movably provided on the inner wall of the die (9). Spring damping rods (6) are fixedly provided at the four corners of the lower end face of the outer wall of the die (9).

2. The die-casting mold with switchable flow channels according to claim 1, characterized in that: The four replacement parts (15) are respectively rotatably disposed inside the four flow channels (12), and through slots (17) are provided on both sides of the upper end face of the four limiting blocks (1503), and the cross-section of the punch (4) is square.

3. The die-casting mold with switchable flow channels according to claim 1, characterized in that: The eight inserts (1801) are slidably disposed inside the eight spring grooves (19), and the eight top pressure springs (1802) are fixedly connected to one side of the inner wall of the eight spring grooves (19).

4. The die-casting mold with switchable flow channels according to claim 1, characterized in that: The eight inserts (1801) are slidably disposed in pairs in the gaps between the four connecting blocks (1501) and the four limiting blocks (1503) and pass through the eight through slots (17).

5. A die-casting mold with switchable flow channels according to claim 1, characterized in that: An injection pipe (2) is embedded in the center of one side of the upper end face of the top plate (1), and the threaded rod (11) is slidably embedded in the groove (14) and the thread is set inside the threaded sleeve (3).

6. A die-casting mold with switchable flow channels according to claim 1, characterized in that: The top plate (1) has positioning grooves (16) at the four corners of its lower end face, and the punch (4) has positioning rods (13) fixedly installed at the four corners of its upper end face. The four positioning rods (13) are respectively embedded in the four positioning grooves (16).

7. A die-casting mold with switchable flow channels according to claim 1, characterized in that: Nine support rods (7) are fixedly installed on the lower end face of the push plate (8). All nine support rods (7) penetrate the lower end face of the die (9) and are fixedly connected to the base plate (10). The lower ends of the four spring damping rods (6) are fixedly connected to the base plate (10).

8. A die-casting mold with switchable flow channels according to claim 1, characterized in that: Electric push rods (5) are fixedly installed at the four corners of the upper surface of the base plate (10), and the upper ends of the four electric push rods (5) are fixedly connected to the top plate (1).

Images