CN212384542U

CN212384542U - Casting mould with beryllium-copper block

Info

Publication number: CN212384542U
Application number: CN202021103113.1U
Authority: CN
Inventors: 沈英豪
Original assignee: Wuxi Yingteng Mould Technology Co ltd
Current assignee: Wuxi Yingteng Mould Technology Co ltd
Priority date: 2020-06-15
Filing date: 2020-06-15
Publication date: 2021-01-22
Anticipated expiration: 2030-06-15

Abstract

The utility model belongs to the technical field of casting die utensil's technique and specifically relates to a casting die utensil with beryllium copper piece is related to, and it includes the lower mould, is equipped with down the die cavity on the top surface of lower mould, inlays on the bottom surface of lower die cavity and is equipped with the beryllium copper piece. The utility model discloses have the effect that reduces the possibility that the pressure shell shaping back warp.

Description

Casting mould with beryllium-copper block

Technical Field

The utility model belongs to the technical field of casting die utensil's technique and specifically relates to a casting die utensil with beryllium-copper piece is related to.

Background

The casting molding is also called as casting, and is that prepared casting raw materials are injected into a mold and are solidified, so that a product similar to a mold cavity can be obtained. The raw material for the casting may be a monomer, a preliminarily polymerized or polycondensed slurry, or a solution of a polymer and a monomer, or the like.

A casting mold for molding a press shell has a structure as shown in fig. 1 and 2, and includes an upper mold 11 and a lower mold 21, wherein an upper cavity 12 and a lower cavity 22 for molding the press shell are respectively provided on mutually facing end surfaces of the upper mold 11 and the lower mold 21. During casting, molten liquid metal is poured into the casting mold, and the molten metal is gradually solidified to form the pressure shell.

The technical scheme has the following defects: when the molten metal is solidified, the cooling rate is not uniform at each location, so that the pressure shell is easily deformed after molding.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a casting die utensil with beryllium copper piece to prior art exists not enough, it has the effect that reduces the possibility that presses shell shaping back to warp.

The above object of the present invention is achieved by the following technical solutions:

the casting mold with the beryllium copper block comprises a lower mold, wherein a lower cavity is arranged on the top surface of the lower mold, and the beryllium copper block is embedded in the bottom surface of the lower cavity.

By adopting the technical scheme, the beryllium copper block is arranged on the bottom surface of the lower cavity, and after the molten metal is injected between the upper cavity and the lower cavity, the thermal conductivity of the beryllium copper block is better than that of the lower mold, so that the heat loss in the molten metal can be accelerated, the cooling of the area with low cooling speed in the molten metal is accelerated, the uniformity of the cooling speed of the molten metal is improved, and the possibility of deformation after the press shell is formed is reduced.

The present invention may be further configured in a preferred embodiment as: the bottom surface of the lower cavity is provided with a sliding hole in the vertical direction, the beryllium copper block is slidably arranged in the sliding hole in a penetrating mode, the bottom end of the side surface of the beryllium copper block is provided with a limiting block, and the bottom surface of the lower die is provided with a limiting groove used for containing the limiting block.

By adopting the technical scheme, the limiting block is arranged at the bottom end of the side face of the beryllium copper block, and the beryllium copper block is in sliding fit with the lower die, so that the beryllium copper block can be conveniently detached. And when the limiting block is tightly abutted against the limiting groove, the top surface of the beryllium copper block is overlapped with the bottom surface of the lower cavity, so that the forming precision of the pressing shell is ensured.

The present invention may be further configured in a preferred embodiment as: the bottom surface of the beryllium copper block is provided with a locking block, the bottom surface of the lower die is provided with a locking groove for containing the locking block, the bottom surface of the locking block is provided with a locking bolt in a penetrating manner, the locking bolt is in threaded connection with the lower die, and the beryllium copper block is bolted with the lower die through the locking block.

Through adopting above-mentioned technical scheme, set up the latch segment to wear to establish locking bolt on the latch segment, can conveniently wear to establish locking bolt, and with beryllium copper piece and lower mould bolt.

The present invention may be further configured in a preferred embodiment as: and a sealing block is arranged on the side surface of the beryllium copper block, a sealing groove is arranged on the side wall of the sliding hole, and the bottom surface of the sealing groove is communicated with the bottom surface of the lower die.

By adopting the technical scheme, the sealing block is arranged on the side surface of the beryllium copper block, so that a seepage path between the beryllium copper block and the sliding hole can be prolonged, and the possibility that molten metal in the lower cavity seeps out from the position between the beryllium copper block and the sliding hole is further reduced.

The present invention may be further configured in a preferred embodiment as: the beryllium copper block is provided with a liquid inlet channel and a liquid outlet channel, the bottom ends of the liquid inlet channel and the liquid outlet channel are both communicated with the bottom surface of the locking block, and the top ends of the liquid inlet channel and the liquid outlet channel are communicated with each other.

By adopting the technical scheme, the liquid inlet channel and the liquid outlet channel are arranged on the beryllium copper block and are communicated, and when the cast molten metal is solidified, water cooling liquid is supplied into the liquid inlet channel, so that the solidification of the molten metal in the lower cavity can be accelerated.

The present invention may be further configured in a preferred embodiment as: the beryllium copper block comprises a body and a top block arranged on the top surface of the body, the top ends of the liquid inlet channel and the liquid outlet channel are communicated with the top surface of the body, a spiral cooling flow channel is arranged on the top surface of the body, and two ends of the cooling flow channel are respectively communicated with the liquid inlet channel and the liquid outlet channel.

Through adopting above-mentioned technical scheme, set up spiral cooling runner on the top surface of body, can improve the water-cooling liquid in the area of contact with the kicking block, and then improve the effect of water-cooling liquid to the kicking block cooling, the molten metal solidification of die cavity under with higher speed.

The present invention may be further configured in a preferred embodiment as: and a plurality of bulges are arranged on the inner wall of the cooling flow channel.

Through adopting above-mentioned technical scheme, set up the arch on the inner wall of cooling channel, can increase the turbulent flow of coolant liquid in cooling channel, and then improve the heat exchange's between coolant liquid and the kicking block efficiency.

The present invention may be further configured in a preferred embodiment as: the top surface of body is equipped with annular holding tank, the holding tank encircles the cooling runner setting, be equipped with the sealing ring in the holding tank, the top surface of sealing ring flushes with the top surface of body.

Through adopting above-mentioned technical scheme, set up the sealing ring, can improve the leakproofness between body and the kicking block, reduce the possibility that the water-cooling liquid in the cooling channel leaked.

To sum up, the utility model discloses a following at least one useful technological effect:

1. the beryllium copper block is arranged, so that the effect of reducing the possibility of deformation of the molded press shell can be achieved;

2. the effect of ensuring the forming precision of the pressing shell can be achieved by arranging the limiting block and the limiting groove;

3. the liquid inlet channel and the liquid outlet channel are arranged, so that the effect of accelerating the solidification of the molten metal in the lower cavity can be achieved.

Drawings

FIG. 1 is a schematic view showing the overall construction of a casting mold for molding a press shell in the background art;

FIG. 2 is a schematic view of a prior art upper cavity structure;

FIG. 3 is a schematic view of the entire structure of embodiment 1;

FIG. 4 is a schematic view for embodying the structure of an upper cavity in example 1;

FIG. 5 is a schematic view showing the manner of matching the beryllium copper block with the lower die in example 1;

FIG. 6 is a schematic view of a beryllium copper block structure embodied in example 2;

fig. 7 is a schematic diagram for showing the matching manner of the beryllium copper block and the lower die in example 2.

In the figure, 1, an upper die base; 11. an upper die; 12. an upper cavity; 2. a lower die holder; 21. a lower die; 22. a lower cavity; 23. a sliding hole; 24. a sealing groove; 25. a limiting groove; 26. a locking groove; 3. a beryllium copper block; 31. a body; 311. a sealing block; 312. a limiting block; 313. a locking block; 314. locking the bolt; 32. a top block; 4. a cooling flow channel; 41. a protrusion; 42. a liquid inlet channel; 43. a liquid outlet channel; 44. accommodating grooves; 441. and (4) a sealing ring.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example (b):

referring to fig. 3 and 4, for the utility model discloses a casting die utensil with beryllium copper piece, including die holder 2 and upper die base 1, die holder 2 is along the horizontal direction and puts the setting, and upper die base 1 is located die holder 2 directly over, and bolted respectively on the terminal surface of upper die base 1 and die holder 2 orientation of each other has last mould 11 and lower mould 21. An upper cavity 12 and a lower cavity 22 are respectively arranged on the mutually facing end surfaces of the upper die 11 and the lower die 21, and when the mutually facing end surfaces of the upper die 11 and the lower die 21 are attached, the upper cavity 12 and the lower cavity 22 are spliced to form a cavity for molding the pressure shell.

Referring to fig. 5, a sliding hole 23 is formed in the bottom surface of the lower cavity 22 along the vertical direction, and the cross section of the sliding hole 23 is rectangular. Four side edges of the sliding hole 23 are chamfered. The beryllium copper block 3 is slidably arranged in the sliding hole 23 in a penetrating way, and the top surface of the beryllium copper block 3 is superposed with the bottom surface of the lower cavity 22.

Referring to fig. 5, two limiting blocks 312 are integrally formed at the bottom end of the side surface of the beryllium copper block 3, the two limiting blocks 312 are respectively located at two sides of the beryllium copper block 3, and a limiting groove 25 for accommodating the limiting blocks 312 is formed on the bottom surface of the lower die 21. When the top surface of the top block 32 is overlapped with the bottom surface of the lower cavity 22, the top surface of the limiting block 312 is abutted against the bottom surface of the limiting groove 25, and the top surface of the top block 32 is ensured to be overlapped with the bottom surface of the lower cavity 22 by matching the limiting block 312 with the limiting groove 25, so that the precision of the formed press shell is ensured.

Referring to fig. 5, a locking block 313 is further bolted on the bottom surface of the beryllium copper block 3, the length direction of the locking block 313 is parallel to the connecting line between the two limit blocks 312, and the length of the locking block 313 is greater than the maximum distance between the two limit blocks 312. A locking groove 26 for accommodating a locking block 313 is formed in the bottom surface of the lower die 21, two locking bolts 314 penetrate through the bottom surface of the locking block 313, and the two locking bolts 314 are respectively located on two sides of the beryllium copper block 3. The threaded ends of the two locking bolts 314 are respectively threadedly coupled to the top surfaces of the locking grooves 26.

The implementation principle of the embodiment is as follows: in the scheme, after the upper die 11 and the lower die 21 are spliced, the upper die cavity 12 and the lower die cavity 22 are spliced into a whole die cavity. Molten metal is injected into the cavity and the molten metal in the cavity then begins to solidify. The beryllium copper block 3 can accelerate the solidification of the molten metal contacted with the beryllium copper block, so that the solidification speed of all parts of the molten metal is ensured to be more uniform, and the possibility of deformation of the pressed shell after molding is reduced.

Example 2:

referring to fig. 6 and 7, the present embodiment is different from embodiment 1 in that: the beryllium copper block 3 comprises a body 31 and a top block 32 welded on the top surface of the body 31, and the top surface of the top block 32 is coincided with the bottom surface of the lower cavity 22.

Referring to fig. 6 and 7, a sealing block 311 is integrally formed at a top end of a side surface of the body 31, the sealing block 311 is disposed along a circumferential direction of the body 31, and a cross section of the sealing block 311 is rectangular. The side wall of the sliding hole 23 is provided with a sealing groove 24 for accommodating the sealing block 311, the sealing groove 24 is communicated with the bottom surface of the lower die 21, and the sealing block 311 is tightly pressed against the top surface of the sealing groove 24 to prolong the seepage distance between the beryllium copper block 3 and the sliding hole 23, so that the possibility that molten metal in the lower cavity 22 seeps out from between the beryllium copper block 3 and the sliding hole 23 is reduced.

Referring to fig. 6, a spiral cooling channel 4 is formed on the top surface of the body 31, a plurality of protrusions 41 are glued to the bottom surface of the cooling channel 4, and the plurality of protrusions 41 are uniformly arranged along the length direction of the cooling channel 4. The liquid inlet channel 42 and the liquid outlet channel 43 are respectively arranged at two ends of the cooling flow channel 4, and both the liquid inlet channel 42 and the liquid outlet channel 43 penetrate through the body 31 and the locking block 313 along the vertical direction. And water cooling liquid is supplied into the liquid inlet channel 42 and flows out through the cooling flow channel 4 and the liquid outlet channel 43, so that heat dissipation on the top block 32 is accelerated, and further, the solidification of the molten metal in the lower cavity 22 is accelerated.

Referring to fig. 6, an annular receiving groove 44 is formed on the top surface of the body 31, the receiving groove 44 is disposed around the cooling flow channel 4, and the cross section of the receiving groove 44 is rectangular. The sealing ring 441 is laid in the accommodating groove 44, the sealing ring 441 is a rubber ring, and the top surface of the sealing ring 441 is flush with the top surface of the body 31. When the body 31 and the top block 32 are welded and fixed, the top surface of the sealing ring 441 abuts against the bottom surface of the top block 32, so that the sealing performance between the body 31 and the top block 32 can be improved, and the possibility of leakage of the water cooling liquid in the cooling flow passage 4 is reduced.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a casting die utensil with beryllium-copper piece, includes lower mould (21), be equipped with down die cavity (22) on the top surface of lower mould (21), its characterized in that: the bottom surface of the lower cavity (22) is embedded with a beryllium copper block (3).

2. The casting mold with the beryllium-copper block as set forth in claim 1, wherein: the sliding hole (23) is formed in the bottom surface of the lower cavity (22) in the vertical direction, the beryllium copper block (3) penetrates through the sliding hole (23) in a sliding mode, the limiting block (312) is arranged at the bottom end of the side surface of the beryllium copper block (3), and the limiting groove (25) used for containing the limiting block (312) is formed in the bottom surface of the lower die (21).

3. The casting mold with the beryllium-copper block as set forth in claim 2, wherein: the bottom surface of the beryllium copper block (3) is provided with a locking block (313), the bottom surface of the lower die (21) is provided with a locking groove (26) for accommodating the locking block (313), a locking bolt (314) penetrates through the bottom surface of the locking block (313), the locking bolt (314) is in threaded connection with the lower die (21), and the beryllium copper block (3) is bolted with the lower die (21) through the locking block (313).

4. The casting mold with the beryllium-copper block as set forth in claim 2, wherein: the side face of the beryllium copper block (3) is provided with a sealing block (311), the side wall of the sliding hole (23) is provided with a sealing groove (24), and the bottom surface of the sealing groove (24) is communicated with the bottom surface of the lower die (21).

5. The casting mold with the beryllium-copper block as set forth in claim 2, wherein: the beryllium copper block (3) is provided with a liquid inlet channel (42) and a liquid outlet channel (43), the bottom ends of the liquid inlet channel (42) and the liquid outlet channel (43) are communicated with the bottom surface of the locking block (313), and the top ends of the liquid inlet channel (42) and the liquid outlet channel (43) are communicated with each other.

6. The casting mold with the beryllium-copper block as set forth in claim 5, wherein: the beryllium copper block (3) comprises a body (31) and a top block (32) arranged on the top surface of the body (31), the top ends of the liquid inlet channel (42) and the liquid outlet channel (43) are communicated with the top surface of the body (31), a spiral cooling flow channel (4) is arranged on the top surface of the body (31), and two ends of the cooling flow channel (4) are respectively communicated with the liquid inlet channel (42) and the liquid outlet channel (43).

7. The casting mold with the beryllium-copper block as recited in claim 6, wherein: and a plurality of bulges (41) are arranged on the inner wall of the cooling flow channel (4).

8. The casting mold with the beryllium-copper block as recited in claim 6, wherein: be equipped with annular holding tank (44) on the top surface of body (31), holding tank (44) encircle cooling runner (4) and set up, be equipped with sealing ring (441) in holding tank (44), the top surface of sealing ring (441) flushes with the top surface of body (31).