CN211614314U

CN211614314U - Die-casting die

Info

Publication number: CN211614314U
Application number: CN201922472481.7U
Authority: CN
Inventors: 李兴邦
Original assignee: Sichuan Curie High Tech Co ltd
Current assignee: Sichuan Curie High Tech Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-10-02
Anticipated expiration: 2029-12-31

Abstract

The utility model discloses a die-casting die, including mould body and mould inner tube, the mould body is made of Q235 steel, the mould inner tube is made of LG steel, the mould inner tube is vertically installed in the mould body, and the outer wall of the mould inner tube is tightly attached to the inner wall of the mould body, the locking device is symmetrically arranged on the side wall of the mould body, the extending end of the locking device is inserted in the side wall of the mould inner tube, the bottom of the mould body and the bottom of the mould inner tube are provided with a through hole along the coaxial line direction of the two, the bottom of the mould inner tube is slidably installed with an ejecting plate, the mould inner tube with the soft traditional texture is installed in the mould body with the soft texture, on one hand, the deformation is prevented, on the other hand, the cost can be saved, the processing difficulty is reduced, the high hardness is high, the service life is long, the toughness of the mould inner, the smooth and beautiful surface of the product appearance is ensured.

Description

Die-casting die

Technical Field

The utility model relates to a mold equipment technical field, concretely relates to die casting die.

Background

In the production process of aluminum alloy, element additives are often used, wherein the element additives are generally obtained by mixing metal powder and fluxing agent, then loading the mixed material into a corresponding die, then performing compression molding through a 200-300 ton hydraulic press, performing compression molding, and ejecting the molded additive from the die by means of a small hydraulic cylinder. The mould is usually made of Q235 steel, the mould made of the material is well processed, and a handle which is convenient to move is welded on the mould for convenient operation. This mould of section bar matter is easy after the repetitious usage warp, will expand, leads to the product size of presswork to be bigger and bigger, and the mould still can appear the bottom simultaneously and be bigger than upper portion, and is ejecting with small-size pneumatic cylinder, hardly moves back the mould, even increaseing top cylinder pressure, also damages very easily when ejecting the product, and the product disability rate is high, changes the mould material into harder steel material, and the cost also can increase, is difficult to process moreover.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a die casting die to solve the mould and warp easily, cost of maintenance is high, and the mould needs often to be changed and the problem that the product disability rate is high.

In order to solve the technical problem, the utility model adopts the following technical scheme:

the die-casting die is characterized in that: including mould body 1 and mould inner tube 2, mould body 1 is made for Q235 steel, mould inner tube 2 is made for LG steel, 2 vertical installations of mould inner tube are in the mould body 1, just the outer wall of mould inner tube 2 pastes tightly the inner wall of mould body 1, the symmetry is provided with locking device 3 on the lateral wall of mould body 1, locking device 3 stretch out the end and insert and close in the lateral wall of mould inner tube 2, the bottom of mould body 1 with the bottom of mould inner tube 2 is provided with perforating hole 4 along both coaxial line directions, the bottom slidable mounting of mould inner tube 2 has ejector plate 5.

The further technical scheme is as follows: the locking device 3 comprises a clamping block 31, a spring 32, an expansion rod 33 and a cylinder 34, a plurality of through holes 11 are symmetrically arranged on the side wall of the die body 1 along the vertical direction, a counter bore 21 matched with the through hole 11 is arranged on the side wall of the inner die cylinder 2, one end of the cylinder 34 is arranged on the outer end face of the through hole 11, the cylinder 34 is symmetrically provided with sliding chutes 341 along the axial direction thereof, the telescopic rod 33 is slidably installed in the cylinder 34, the rod wall of the telescopic rod 33 is symmetrically provided with sliding blocks 331 matched with the sliding grooves 341, the clamping block 31 is rotatably arranged at one end of the telescopic rod 33 positioned in the counter bore 21, the spring 33 is sleeved on the telescopic rod 33, one end of the spring 32 is connected to the fixture block 31, and the other end of the spring 32 is connected to the inner end face of the cylinder 34.

The further technical scheme is as follows: the fixture block 31 is a wedge-shaped block, and the counter bore 21 is a wedge-shaped hole matched with the wedge-shaped block.

The further technical scheme is as follows: the length of the barrel 34 is greater than the length of the wedge blocks, which are greater than the length of the wedge aperture.

The further technical scheme is as follows: the outer end surface of the telescopic rod 33 is provided with a push-pull plate 332.

The further technical scheme is as follows: the upper portion of mould inner tube 2 is provided with circular boss 6, locking bolt 7 is installed along the circumferencial direction symmetry on the circular boss 6.

The further technical scheme is as follows: the matching surface of the die body 1 and the die inner cylinder 2 is set to be an inverted truncated cone shape 8 convenient for installation.

Compared with the prior art, the utility model discloses can reach one of following beneficial effect at least:

1. the utility model provides a die casting die installs the harder inner tube of texture in the softer mould of traditional texture, can improve the whole hardness of mould through the inner tube on the one hand and prevent it warp, and on the other hand, the harder inner tube of texture need not process for the mould, can practice thrift the cost, reduces the processing degree of difficulty, and high rigidity, utensil heat treatment hardness can reach HRC56-58, and high wear resistance is ensured to high rigidity, mould longe-lived.

2. The toughness of the inner cylinder of the die is excellent, the problems of cracking of a cold extrusion die and a thick plate stamping die and difficulty in demoulding of a product can be solved, and the smooth and attractive surface of the appearance of the product is ensured.

3. The inner cylinder of the mould is convenient for dismantle and install, and the inner cylinder quality is lighter in addition, even the die cavity of the inner cylinder of the mould goes wrong, also can be easily dismantled and taken off, remove, inspect and maintain.

Drawings

Fig. 1 is a schematic structural diagram of the die casting mold of the present invention.

Fig. 2 is a schematic structural diagram of the locking device of the present invention.

Reference numerals: 1. a mold body; 11. a through hole; 2. an inner mold cylinder; 21. a counter bore; 3. a locking device; 31. a clamping block; 32. a spring; 33. a telescopic rod; 331. a slider; 332. a push-pull plate; 34. a cylinder; 341. a chute; 4. a through hole; 5. ejecting the plate; 6. a circular boss; 7. locking the bolt; 8. is in a shape of inverted frustum.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Example 1:

embodiment 1 referring to an embodiment shown in fig. 1, a die casting mold is characterized in that: including mould body 1 and mould inner tube 2, mould body 1 is made for Q235 steel, mould inner tube 2 is made for LG steel, 2 vertical installations of mould inner tube are in the mould body 1, just the outer wall of mould inner tube 2 pastes tightly the inner wall of mould body 1, the symmetry is provided with locking device 3 on the lateral wall of mould body 1, locking device 3 stretch out the end and insert and close in the lateral wall of mould inner tube 2, the bottom of mould body 1 with the bottom of mould inner tube 2 is provided with perforating hole 4 along both coaxial line directions, the bottom slidable mounting of mould inner tube 2 has ejector plate 5.

This die casting die: including mould body 1 and mould inner tube 2, mould body 1 is made by Q235 steel, the softer easy machine-shaping of material of Q235 steel, the low price, in case take place deformation after using a period very easily after the shaping, the mould will expand after repetitious usage, the product size that leads to the suppression is bigger and bigger, the mould still can appear the bottom and is bigger than upper portion simultaneously, ejecting with small-size pneumatic cylinder, difficult demolding, even increase top cylinder pressure, also damage very easily during ejecting product. The inner die cylinder 2 is made of LG steel, the LG steel is hard to machine and form and is expensive and not easy to deform after forming, the inner die cylinder 2 is arranged in the inner die body 1, on one hand, the problem that the die is easy to deform is solved, on the other hand, the cost can be saved as much as possible, the benefit is improved, the outer wall of the inner die cylinder 2 is tightly attached to the inner wall of the inner die body 1, the side wall of the inner die body 1 is symmetrically provided with locking devices 3, the extending ends of the locking devices 3 are inserted into the side wall of the inner die cylinder 2, the inner die cylinder 2 can be stably arranged in the inner die body 1 through the locking devices 3 and is convenient to disassemble and assemble, the inner die cylinder 2 is light in weight, even if the cavity of the inner die cylinder 2 is in problem, the inner die can be easily disassembled and disassembled for moving, checking and maintaining, the bottom of the inner die body 1, an ejector plate 5 is slidably mounted at the bottom of the die inner cylinder 2, so that the output end of hydraulic or pneumatic equipment can penetrate through the through hole 4 to be connected to the lower surface of the ejector plate 5, and an extrusion-molded product can be ejected.

Example 2:

on the basis of the above embodiment 1, in embodiment 2, referring to fig. 2, as an embodiment, the locking device 3 includes a fixture block 31, a spring 32, an expansion link 33, and a cylinder 34, a plurality of through holes 11 are symmetrically formed on a side wall of the die body 1 along a vertical direction thereof, a counter bore 21 matched with the through hole 11 is formed on a side wall of the die inner cylinder 2, one end of the cylinder 34 is mounted on an outer end surface of the through hole 11, sliding grooves 341 are symmetrically formed on the cylinder 34 along an axial direction thereof, the expansion link 33 is slidably mounted in the cylinder 34, sliding blocks 331 matched with the sliding grooves 341 are symmetrically arranged on a wall of the expansion link 33, the fixture block 31 is rotatably mounted on one end of the expansion link 33 located in the counter bore 21, the spring 33 is sleeved on the expansion link 33, one end of the spring 32 is connected to the fixture block 31, the other end of the spring 32 is connected to the inner end surface of the cylinder 34.

Drum 34 is installed on the outer terminal surface of through-hole 11 through the welding fastening, telescopic link 33 one end is passed drum 34 and is stretched into in the counter bore 21 of mould inner tube 2, and rotate with fixture block 31 and be connected, it is on telescopic link 33 to be located through-hole 11 internal spring 32 suit, the both ends of spring 32 are connected respectively on drum 34 and fixture block 31, and be in the state that compresses tightly always, drum 34 is last to be provided with spout 341 along its axial symmetry, the symmetry is provided with the slider 331 with spout 341 looks adaptation on the pole wall of telescopic link 33, the lock state: when rotating slider 331 to spout 341 in, the spring 32 that compresses tightly can release pressure, rebounds fixture block 31 in the counter bore 21, is in the same place mould body 1 and mould inner tube 2 are fixed, prevents that the during operation between the two from taking place to rock, the unblock state: when the inner die barrel 2 is disassembled, a person pulls the telescopic rod 33 tightly, meanwhile, the compression spring 32 accumulates pressure, when the telescopic rod 33 is pulled, the position of the sliding block 331 is pulled to the outer end face of the cylinder 34, then the telescopic rod 33 is rotated, the sliding block 331 is abutted to the outer end face of the cylinder 34, the clamping block 31 is located in the through hole 11, and the inner die barrel 2 can be conveniently disassembled from the die body 1 by the worker for inspection and maintenance.

Example 3:

on the basis of the above embodiment, embodiment 3 shows an embodiment, the fixture block 31 is a wedge-shaped block, and the counter bore 21 is a wedge-shaped hole matched with the wedge-shaped block. The length of the barrel 34 is greater than the length of the wedge blocks, which are greater than the length of the wedge aperture. The outer end surface of the telescopic rod 33 is provided with a push-pull plate 332.

The clamping block 31 is a wedge-shaped block, and the counter bore 21 is a wedge-shaped hole matched with the wedge-shaped block, so that the spring 32 can conveniently and smoothly eject the wedge-shaped clamping block 31 into the wedge-shaped counter bore 21.

Preferably, the length of the cylinder 34 is greater than that of the wedge block, in order to unlock, when the outer end face of the cylinder 34 abuts against the sliding block 331, the wedge block is ensured to be completely contracted into the through hole 11, the detachment work of the inner mold cylinder 2 from the mold body 1 is not interfered, the length of the wedge block is greater than that of the wedge hole, one end of the wedge block is tightly clamped in the through hole 11, and the other end of the wedge block is tightly clamped in the counter bore 21, so that the stability of the locking state is ensured.

Example 4:

on the basis of the above embodiment, embodiment 4 shows an embodiment, a circular boss 6 is provided on the upper portion of the mold inner cylinder 2, and locking bolts 7 are symmetrically installed on the circular boss 6 along the circumferential direction.

The upper portion of mould inner tube 2 is provided with circular boss 6, and the staff of being convenient for carries and dismantles mould inner tube 2 through circular boss 6.

Preferably, the circular boss 6 is symmetrically provided with locking bolts 7 along the circumferential direction, one end of each locking bolt 7 penetrates through the circular boss 6 and is locked into the die body 1, so that the die body 1 and the die inner barrel 2 are conveniently locked, the whole locking force is shared, and the pressure of the locking device 3 is reduced.

Example 5:

on the basis of the above embodiment, the embodiment 5 shows an embodiment in which the mating surfaces of the mold body 1 and the mold inner cylinder 2 are provided with the inverted truncated cone shape 8 for easy installation.

The fitting surface of mould body 1 and mould inner tube 2 sets up to the inverted circular truncated cone 8 of being convenient for the installation, is because mould extrusion is accomplished in the bottom on the one hand, and the deformation volume is the biggest exactly in the mould bottom, so set up to inverted circular truncated cone 8, can increase the bottom thickness of mould inner tube 2, strengthen intensity, reduce the deformation volume, on the other hand, the fitting surface sets up the inverted circular truncated cone 8 of being convenient for the installation, the mould inner tube 2 of being convenient for and mould body 1's cooperation installation.

Although the invention has been described herein with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the spirit and scope of the principles of this invention. More specifically, various variations and modifications are possible in the component parts and/or arrangements of the subject combination arrangement within the scope of the disclosure, the drawings and the appended claims. In addition to variations and modifications in the component parts and/or arrangements, other uses will also be apparent to those skilled in the art.

Claims

1. The die-casting die is characterized in that: including mould body (1) and mould inner tube (2), mould body (1) is made for Q235 steel, mould inner tube (2) are made for LG steel, mould inner tube (2) are vertical to be installed in mould body (1), just the outer wall of mould inner tube (2) pastes tightly the inner wall of mould body (1), the symmetry is provided with locking device (3) on the lateral wall of mould body (1), the end that stretches out of locking device (3) is inserted and is closed in the lateral wall of mould inner tube (2), the bottom of mould body (1) with the bottom of mould inner tube (2) is provided with perforating hole (4) along coaxial line direction between them, the bottom slidable mounting of mould inner tube (2) has liftout plate (5).

2. A die casting mold as claimed in claim 1, wherein: the locking device (3) comprises a clamping block (31), a spring (32), a telescopic rod (33) and a cylinder (34), a plurality of through holes (11) are symmetrically formed in the side wall of the die body (1) along the vertical direction of the die body, counter bores (21) matched with the through holes (11) are formed in the side wall of the die inner cylinder (2), one end of the cylinder (34) is installed on the outer end face of the through holes (11), sliding grooves (341) are symmetrically formed in the cylinder wall of the cylinder (34) along the axial direction of the cylinder, the telescopic rod (33) is slidably installed in the cylinder (34), sliding blocks (331) matched with the sliding grooves (341) are symmetrically arranged on the rod wall of the telescopic rod (33), the clamping block (31) is rotatably installed at one end, located in the counter bores (21), of the telescopic rod (33), and the spring (32) is sleeved on the telescopic rod (33), one end of the spring (32) is connected to the clamping block (31), and the other end of the spring (32) is connected to the inner end face of the cylinder (34).

3. A die casting mold as claimed in claim 2, wherein: the fixture block (31) is a wedge-shaped block, and the counter bore (21) is a wedge-shaped hole matched with the wedge-shaped block.

4. A die casting mold as claimed in claim 3, wherein: the length of the cylinder (34) is greater than the length of the wedge block, and the length of the wedge block is greater than the length of the wedge hole.

5. A die casting mold as claimed in claim 2, wherein: the outer end face of the telescopic rod (33) is provided with a push-pull plate (332).

6. A die casting mold as claimed in claim 1, wherein: the upper portion of the die inner barrel (2) is provided with a circular boss (6), and locking bolts (7) are symmetrically installed on the circular boss (6) in the circumferential direction.

7. A die casting mold as claimed in claim 1, wherein: the matching surface of the die body (1) and the die inner cylinder (2) is provided with an inverted circular truncated cone (8) convenient to mount.