Die-casting die capable of being quickly demoulded

Abstract

The utility model provides a die-casting die capable of demoulding quickly, which relates to the technical field of die-casting dies and comprises a lower die mechanism, an upper die mechanism is arranged at the top of the lower die mechanism, first fastening mechanisms are mounted on two sides of the upper die mechanism, a second fastening mechanism is arranged on the front side of the upper die mechanism, and the lower die mechanism comprises a lower die. A liquid injection hole is formed in the position, close to the front side, of the bottom of the lower mold. According to the utility model, after the first air cylinder and the second air cylinder are started, the positioning block with the hole and the insertion block are pulled outwards through the first connecting rod and the second connecting rod, at the moment, the positioning block with the hole is separated from the fastening column, and the insertion block is separated from the fastening groove in the front side of the lower mold core, so that the decomposition of the lower mold and the upper mold is completed; the die-casting die is reasonable in overall structure, simple in fixing mode after die assembly and high in firmness, has a rapid demolding function and can greatly improve the die-casting efficiency.

Description

Technical Field

[0001] The utility model relates to the technical field of die-casting molds, in particular to a die-casting mold capable of rapid demoulding. Background Art

[0002] A die-casting mold is a tool used to manufacture die-cast parts. Die-casting is a high-pressure casting process that injects molten metal materials into a die-casting mold under high pressure so that it quickly solidifies and forms in the mold. The design and manufacture of die-casting molds have a vital impact on the quality and production efficiency of die-cast parts.

[0003] In the prior art, the die-casting mold for manufacturing complex parts is mainly composed of an upper mold and a lower mold. During the die-casting process, the upper and lower molds need to be fastened with bolts. It takes a lot of time to remove the bolts when demolding after molding, and the speed is slow, resulting in a decrease in part manufacturing efficiency. Therefore, in response to the above problems, we propose a new type of die-casting mold that can be demolded quickly. Utility Model Content

[0004] The purpose of the utility model is to solve the problem that in the prior art, a die-casting mold for manufacturing complex parts is mainly composed of an upper mold and a lower mold, and the upper and lower molds need to be fastened with bolts during the die-casting process. It takes a long time to remove the bolts when demolding after molding, and the speed is slow, resulting in a decrease in part manufacturing efficiency. A die-casting mold that can be quickly demolded is proposed.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a die-casting mold that can be quickly demolded, comprising: a lower mold mechanism, an upper mold mechanism is arranged on the top of the lower mold mechanism, a first fastening mechanism is installed on both sides of the upper mold mechanism, a second fastening mechanism is arranged on the front side of the upper mold mechanism, the lower mold mechanism comprises a lower mold, a liquid injection hole is opened at the bottom of the lower mold near the front side, an injection block is fixedly connected to the inner wall of the liquid injection hole, a lower mold core is installed on the top of the lower mold, fastening columns are arranged on both sides of the lower mold core, a fastening groove is opened on the front side of the lower mold core, the top of the lower mold near the four corners are fixedly connected with the first guide column, and a molding part is arranged on the top of the lower mold core.

[0006] Preferably, the upper mold mechanism comprises an upper mold, and second guide columns are fixedly connected to the top of the upper mold near four corners, and a sliding sleeve is provided on the outside of the second guide column.

[0007] Preferably, a hot upper mold core is installed at the bottom of the upper mold, and a finished upper mold core is installed at the bottom of the hot upper mold core. A molding cavity is opened at the bottom of the finished upper mold core, and positioning holes are opened at the bottom of the hot upper mold core near the four corners, and the positioning holes cooperate with the first guide column.

[0008] Preferably, the two first fastening mechanisms each include a first mounting seat, a first cylinder is mounted on an outer surface of one side of the first mounting seat, and a telescopic end of the first cylinder penetrates the outer surface of the first mounting seat and extends to the other side.

[0009] Preferably, a first mounting block is symmetrically fixedly connected to the outer surface of the other side of the first mounting seat, and two first mounting blocks are fixedly connected to the outer surface of the hot upper mold core.

[0010] Preferably, the telescopic end of the first cylinder is fixedly connected with a first connecting rod, and the first connecting rod is sleeved with a first connecting block on its exterior.

[0011] Preferably, the front and rear outer surfaces of the first connecting block are fixedly connected to the limiting blocks, the outer surface of the limiting blocks and the outer surface of the first mounting block are slidably fitted, and the outer surface of one side of the first connecting block is fixedly connected to a positioning block with a hole, and the positioning block with a hole is plugged into the fastening column.

[0012] Preferably, the second fastening mechanism includes a second mounting seat, the rear surface of the second mounting seat is symmetrically fixedly connected with two second mounting blocks, the second mounting blocks are fixedly connected to the front surface of the hot upper mold core, and the front surface of the second mounting seat is installed with a second cylinder.

[0013] Preferably, the telescopic end of the second cylinder passes through the outer surface of the second mounting seat and extends to the rear side, the telescopic end of the second cylinder is fixedly connected to a second connecting rod, and the outer part of the second connecting rod is sleeved with a second connecting block.

[0014] Preferably, a avoidance groove is provided at the bottom of the second connecting block, the avoidance groove matches the position of the injection hole, and an insert block is fixedly connected to the rear surface of the second connecting block, and the insert block is plug-in-connected with the fastening groove.

[0015] Compared with the prior art, the advantages and positive effects of the utility model are:

[0016] 1. In the utility model, after starting the first cylinder and the second cylinder, the positioning block with holes and the insert block are pulled outwards through the first connecting rod and the second connecting rod. At this time, the positioning block with holes and the fastening column are separated, and the insert block and the fastening groove on the front side of the lower mold core are separated, thereby completing the decomposition of the lower mold and the upper mold. Then, the upper mold can be directly removed upward to obtain a complex molded part. The overall structure is reasonable, the fixing method after mold closing is simple, the firmness is high, and it has the function of rapid demoulding, which can greatly improve the die-casting efficiency.

[0017] 2. In the utility model, the die-casting mold has a compact structure, a simple fixing method after connection, and the plug-in method can effectively ensure the tightness of the connection, thereby improving the quality of the product manufactured by die-casting. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 A stereoscopic diagram of a die-casting mold capable of rapid demoulding is provided for the utility model;

[0019] Figure 2 Another perspective view of a die-casting mold capable of rapid demoulding proposed by the utility model;

[0020] Figure 3 The utility model provides an expanded view of a die-casting mold capable of rapid demoulding;

[0021] Figure 4 A bottom view of a lower die mechanism of a die-casting die capable of rapid demoulding is provided for the utility model;

[0022] Figure 5 A top view of a lower die mechanism of a die-casting die that can be quickly demoulded is provided for the utility model;

[0023] Figure 6 A bottom view of an upper die mechanism of a die-casting die capable of rapid demoulding is provided for the utility model;

[0024] Figure 7 A top view of a first fastening mechanism of a die-casting mold capable of rapid demoulding is provided for the utility model;

[0025] Figure 8 The utility model provides a bottom view of a first fastening mechanism of a die-casting mold capable of rapid demoulding.

[0026] Legend: 1. Lower mold mechanism; 101. Lower mold; 102. Injection hole; 103. Injection block; 104. First guide column; 105. Lower mold core; 106. Fastening groove; 107. Fastening column; 108. Molding part; 2. Upper mold mechanism; 201. Upper mold; 202. Hot upper mold core; 203. Upper mold core; 204. Molding cavity; 205. Positioning hole; 206. Second guide column; 207. Sliding sleeve; 3. The first fastening mechanism; 301, the first mounting block; 302, the first cylinder; 303, the first connecting rod; 304, the first connecting block; 305, the limiting block; 306, the positioning block with a hole; 307, the first mounting seat; 4, the second fastening mechanism; 401, the second mounting block; 402, the second mounting seat; 403, the second cylinder; 404, the second connecting rod; 405, the second connecting block; 406, the avoidance groove; 407, the plug block. DETAILED DESCRIPTION

[0027] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0028] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0029] Embodiment 1, as Figure 1-Figure 8As shown, the utility model provides a die-casting mold that can be quickly demolded, including: a lower mold mechanism 1, an upper mold mechanism 2 is arranged on the top of the lower mold mechanism 1, first fastening mechanisms 3 are installed on both sides of the upper mold mechanism 2, and a second fastening mechanism 4 is arranged on the front side of the upper mold mechanism 2, the lower mold mechanism 1 includes a lower mold 101, a liquid injection hole 102 is opened at the bottom of the lower mold 101 near the front side, and a liquid injection block 103 is fixedly connected to the inner wall of the liquid injection hole 102, a lower mold core 105 is installed on the top of the lower mold 101, fastening columns 107 are arranged on both sides of the lower mold core 105, a fastening groove 106 is opened on the front side of the lower mold core 105, and the lower mold 101 is provided with a plurality of fastening columns 107. The positions of the top near the four corners are all fixedly connected with the first guide column 104, the top of the lower mold core 105 is provided with a molding part 108, the upper mold mechanism 2 includes an upper mold 201, the top of the upper mold 201 is all fixedly connected with the second guide column 206 near the four corners, the outer sleeve of the second guide column 206 is provided with a sliding sleeve 207, the two first fastening mechanisms 3 each include a first mounting seat 307, the outer surface of one side of the first mounting seat 307 is provided with a first cylinder 302, the telescopic end of the first cylinder 302 passes through the outer surface of the first mounting seat 307 and extends to the other side, and the outer surface of the other side of the first mounting seat 307 is symmetrically fixedly connected with a first mounting block 301, two first mounting blocks 301 are fixedly connected to the outer surface of the hot upper mold core 202, the telescopic end of the first cylinder 302 is fixedly connected to the first connecting rod 303, the outer sleeve of the first connecting rod 303 is provided with a first connecting block 304, the front and rear outer surfaces of the first connecting block 304 are fixedly connected to the limiting block 305, the outer surface of the limiting block 305 and the outer surface of the first mounting block 301 are slidably fitted, and the outer surface of one side of the first connecting block 304 is fixedly connected to a positioning block 306 with a hole, and the positioning block 306 with a hole is plugged and connected with the fastening column 107, and the second fastening mechanism 4 includes a second mounting seat 402, and the rear surface of the second mounting seat 402 is symmetrically fixedly connected There are two second mounting blocks 401, the second mounting blocks 401 are fixedly connected to the front surface of the hot upper mold core 202, a second cylinder 403 is installed on the front surface of the second mounting seat 402, the telescopic end of the second cylinder 403 passes through the outer surface of the second mounting seat 402 and extends to the rear side, the telescopic end of the second cylinder 403 is fixedly connected to the second connecting rod 404, the outer sleeve of the second connecting rod 404 is provided with a second connecting block 405, the bottom of the second connecting block 405 is provided with an avoidance groove 406, the avoidance groove 406 and the injection hole 102 are matched in position, the rear surface of the second connecting block 405 is fixedly connected with an insertion block 407, and the insertion block 407 and the fastening groove 106 are plug-in connected.

[0030] The effect achieved by the entire embodiment 1 is that when using the mold to manufacture complex parts, the lower mold 101 and the upper mold 201 are first molded together. After the mold is molded together, the first cylinders 302 on both sides are started. At this time, the first connecting rod 303 on the telescopic end of the first cylinder 302 will push the first connecting block 304 to move inward. When the first connecting block 304 and the lower mold core 105 are tightly fitted, the fastening columns 107 on both sides of the lower mold core 105 will be inserted into the fixed holes on the surface of the first connecting block 304. The upper mold 201 and the lower mold 101 are fixed in the positioning block 306, and then the second cylinder 403 is started. After the second cylinder 403 is started, the second connecting rod 404 and the second connecting block 405 are pushed to move backward. When the second connecting block 405 and the surface of the lower mold core 105 are closely fitted, the insert block 407 is inserted into the inside of the fastening groove 106, thereby further improving the firmness of the upper mold 201 and the lower mold 101 after connection, and at this time the positioning block 306 with holes and the insert block 407 are The special-shaped groove at the top of the upper mold core 203 cooperates with the molding cavity 204 at the bottom of the upper mold core 203 to form a more complex molding cavity. At the same time, the avoidance groove 406 at the bottom of the second connecting block 405 partially overlaps with the injection hole 102, thereby forming a more reasonable injection channel. Finally, the molten metal is injected into the molding cavity 204 through the injection block 103 and after cooling, a complex molded part 108 can be obtained. When demolding, the first cylinder 302 and the second cylinder 403 are started and the first connecting rod 303 and The second connecting rod 404 pulls the holed positioning block 306 and the insert block 407 outward, and the holed positioning block 306 and the fastening column 107 are disengaged, and the insert block 407 and the fastening groove 106 on the front side of the lower mold core 105 are disengaged, thereby completing the decomposition of the lower mold 101 and the upper mold 201. Then, the upper mold 201 can be directly removed upward to obtain a complex molded part 108. The overall structure is reasonable, the fixing method after mold closing is simple, the firmness is high, and it has the function of rapid demolding, which can greatly improve the die-casting efficiency.

[0031] Embodiment 2, as Figure 1-Figure 8 As shown, a hot upper mold core 202 is installed at the bottom of the upper mold 201, and a finished upper mold core 203 is installed at the bottom of the hot upper mold core 202. A molding cavity 204 is provided at the bottom of the finished upper mold core 203. Positioning holes 205 are provided at the bottom of the hot upper mold core 202 near the four corners, and the positioning holes 205 cooperate with the first guide column 104.

[0032] The effect achieved by the entire embodiment 2 is that when the upper mold 201 and the lower mold 101 are closed, the first guide column 104 at the top of the lower mold 101 will be inserted into the positioning hole 205 at the bottom of the upper mold core 203, thereby playing a positioning role and effectively improving the closing accuracy.

[0033] Working principle: When using this mold to manufacture complex parts, first close the lower mold 101 and the upper mold 201. After the close mold is completed, start the first cylinders 302 on both sides. At this time, the first connecting rod 303 on the telescopic end of the first cylinder 302 will push the first connecting block 304 to move inward. When the first connecting block 304 and the lower mold core 105 are tightly fitted, the fastening columns 107 on both sides of the lower mold core 105 will be inserted into the positioning blocks 306 with holes on the surface of the first connecting block 304. At this time, the upper mold 201 and the lower mold 101 can be fixed, and then the second cylinder 403 is started. After the second cylinder 403 is started, it will push the second connecting rod 404 and the second connecting block 405 to move backward. When the second connecting block 405 and the surface of the lower mold core 105 are tightly fitted, the plug block 407 will be inserted into the inside of the fastening groove 106, thereby further improving the firmness of the upper mold 201 and the lower mold 101 after connection, and at this time, the positioning block 306 with holes and the top of the plug block 407 are The shaped groove will cooperate with the molding cavity 204 at the bottom of the upper mold core 203 to form a more complex molding cavity. At the same time, the avoidance groove 406 at the bottom of the second connecting block 405 partially overlaps with the injection hole 102, thereby forming a more reasonable injection channel. Finally, the molten metal is injected into the molding cavity 204 through the injection block 103 and waits for it to cool to obtain a complex molded part 108. When demolding, the first cylinder 302 and the second cylinder 403 are started, and the first connecting rod 303 and the second The connecting rod 404 pulls the holed positioning block 306 and the insert block 407 outward, and the holed positioning block 306 and the fastening column 107 are disengaged, and the insert block 407 and the fastening groove 106 on the front side of the lower mold core 105 are disengaged, thereby completing the decomposition of the lower mold 101 and the upper mold 201. Then, the upper mold 201 can be directly removed upward to obtain a complex molded part 108. The overall structure is reasonable, the fixing method after mold closing is simple, the firmness is high, and it has the function of rapid demolding, which can greatly improve the die-casting efficiency.

[0034] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A die-casting mold capable of rapid demoulding, characterized in that: include: A lower mold mechanism (1), wherein an upper mold mechanism (2) is arranged on the top of the lower mold mechanism (1), first fastening mechanisms (3) are installed on both sides of the upper mold mechanism (2), and a second fastening mechanism (4) is arranged on the front side of the upper mold mechanism (2); The lower mold mechanism (1) comprises a lower mold (101), a liquid injection hole (102) is provided at a position near the front side of the bottom of the lower mold (101), a liquid injection block (103) is fixedly connected to the inner wall of the liquid injection hole (102), a lower mold core (105) is installed at the top of the lower mold (101), fastening columns (107) are provided on both sides of the lower mold core (105), a fastening groove (106) is provided on the front side of the lower mold core (105), first guide columns (104) are fixedly connected at positions near the four corners of the top of the lower mold (101), and a molding piece (108) is provided at the top of the lower mold core (105).

2. The die-casting mold capable of rapid demoulding according to claim 1, characterized in that: The upper mold mechanism (2) comprises an upper mold (201), the top of the upper mold (201) being fixedly connected to second guide columns (206) at positions near four corners, and the exterior of the second guide columns (206) is sleeved with a sliding sleeve (207).

3. The die-casting mold capable of rapid demoulding according to claim 2, characterized in that: A hot upper mold core (202) is installed at the bottom of the upper mold (201), a finished upper mold core (203) is installed at the bottom of the hot upper mold core (202), a molding cavity (204) is provided at the bottom of the finished upper mold core (203), and positioning holes (205) are provided at positions near the four corners of the bottom of the hot upper mold core (202), and the positioning holes (205) cooperate with the first guide column (104).

4. The die-casting mold capable of rapid demoulding according to claim 3, characterized in that: The two first fastening mechanisms (3) each comprise a first mounting seat (307), a first cylinder (302) being mounted on an outer surface of one side of the first mounting seat (307), and a telescopic end of the first cylinder (302) penetrating the outer surface of the first mounting seat (307) and extending to the other side.

5. The die-casting mold capable of rapid demoulding according to claim 4, characterized in that: The outer surface of the other side of the first mounting seat (307) is symmetrically fixedly connected with a first mounting block (301), and the two first mounting blocks (301) are fixedly connected to the outer surface of the hot upper mold core (202).

6. The die-casting mold capable of rapid demoulding according to claim 5, characterized in that: The telescopic end of the first cylinder (302) is fixedly connected to a first connecting rod (303), and the first connecting rod (303) is sleeved with a first connecting block (304) on its exterior.

7. The die-casting mold capable of rapid demoulding according to claim 6, characterized in that: The front and rear outer surfaces of the first connection block (304) are both fixedly connected to a limit block (305), the outer surface of the limit block (305) and the outer surface of the first mounting block (301) are slidably fitted, and a positioning block with a hole (306) is fixedly connected to the outer surface of one side of the first connection block (304), and the positioning block with a hole (306) and the fastening column (107) are plug-fitted and connected.

8. The die-casting mold capable of rapid demoulding according to claim 6, characterized in that: The second fastening mechanism (4) comprises a second mounting seat (402), the rear surface of the second mounting seat (402) being symmetrically fixedly connected to two second mounting blocks (401), the second mounting blocks (401) being fixedly connected to the front surface of the hot upper mold core (202), and the front surface of the second mounting seat (402) being mounted with a second cylinder (403).

9. The die-casting mold capable of rapid demoulding according to claim 8, characterized in that: The telescopic end of the second cylinder (403) passes through the outer surface of the second mounting seat (402) and extends to the rear side. The telescopic end of the second cylinder (403) is fixedly connected to a second connecting rod (404). The second connecting rod (404) is sleeved with a second connecting block (405).

10. The die-casting mold capable of rapid demoulding according to claim 9, characterized in that: The bottom of the second connecting block (405) is provided with an avoidance groove (406), the avoidance groove (406) and the injection hole (102) are matched in position, and the rear surface of the second connecting block (405) is fixedly connected with an insertion block (407), and the insertion block (407) and the fastening groove (106) are plug-in connected.

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