CN219335918U - Core pulling structure with deformation prevention function for die casting mold - Google Patents
Core pulling structure with deformation prevention function for die casting mold Download PDFInfo
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- CN219335918U CN219335918U CN202223151269.9U CN202223151269U CN219335918U CN 219335918 U CN219335918 U CN 219335918U CN 202223151269 U CN202223151269 U CN 202223151269U CN 219335918 U CN219335918 U CN 219335918U
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Abstract
The utility model belongs to the technical field of dies, and provides a core pulling structure with deformation prevention for a die-casting die, which comprises the following components: the fixed die seat is provided with a fixed die core at the lower end; the movable die holder is positioned below the fixed die holder, the upper end of the movable die holder is provided with a movable die core, and the movable die core is provided with a first reinforcing part; the core pulling assembly is provided with a push rod, the push rod is movably arranged on the movable die holder, a second reinforcing part is arranged at the end part of the push rod, and the fixed die holder moves towards the fixed die holder. Compared with the prior art, the utility model has the advantages that the first reinforcing part is provided with the first section and the first inclined plane, the second reinforcing part is provided with the second section and the second inclined plane, the first section is abutted against the second section, and the first inclined plane is abutted against the second inclined plane, so that the ejector rod is abutted against the movable mould core, the strength of the movable mould core is ensured, the ejector rod is effectively supported, and further, the product can be effectively formed.
Description
Technical Field
The utility model belongs to the technical field of dies, and particularly relates to a core pulling structure with deformation prevention for a die-casting die.
Background
Pressure casting is a method of filling a die cavity of a die casting mold with liquid or semi-liquid metal at a high speed under high pressure and rapidly solidifying under pressure to obtain a cast, and the die casting mold used is called a die casting mold.
The existing gearbox cover is formed through a die casting die, and because a through hole is needed to be formed on the side edge of the gearbox cover, the ejector rod is needed to be attached to the movable die core, so that after the movable die core and the fixed die core form a product containing cavity and are filled with metal solution, the through hole can be formed, but the vertical surface of the ejector rod and the vertical surface of the movable die core are often insufficient in supporting strength, and further, a product cannot be effectively die-cast.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a core pulling structure with deformation prevention for a die casting mold aiming at the current state of the art.
The technical scheme adopted for solving the technical problems is as follows: proposed is a core-pulling structure with deformation prevention for a die-casting mold, comprising: the fixed die seat is provided with a fixed die core at the lower end;
the movable die holder is positioned below the fixed die holder, the upper end of the movable die holder is provided with a movable die core, and the movable die core is provided with a first reinforcing part;
the core pulling assembly is provided with a push rod, the push rod is movably arranged on the movable die holder, a second reinforcing part is arranged at the end part of the push rod, when the fixed die holder moves towards the fixed die holder, the push rod moves inwards, and the second reinforcing part abuts against the first reinforcing part.
In the above-mentioned core pulling structure with deformation prevention for a die-casting mold, the first reinforcing portion has a first cross section and a first inclined surface, the second reinforcing portion has a second cross section and a second inclined surface, when the movable die holder and the fixed die holder are clamped, the first cross section abuts against the second cross section, and the first inclined surface abuts against the second inclined surface.
In the above-mentioned core pulling structure with deformation prevention for a die-casting mold, the ejector pin has a first portion and a second portion, the first portion is connected with the core pulling assembly, and the second reinforcing portion is located on the second portion.
In the above-mentioned core pulling structure with deformation prevention for die-casting mold, the first part is in an arch structure, and the second part is in a truncated cone structure.
In the above-mentioned a structure of loosing core that has preapring for an unfavorable turn of events for die-casting mould, loose core subassembly includes slider and oblique core pole that takes out, the slider slide set up in on the movable mould base and with the ejector pin is connected, the inclined hole has been seted up on the slider, oblique core pole that takes out set up in on the fixed mould base, oblique core pole with inclined hole swing joint.
In the above-mentioned core pulling structure with deformation prevention for die casting mold, the movable die holder is provided with the first exhaust portion, the fixed die holder is provided with the second exhaust portion, and when the movable die holder and the fixed die holder are assembled, the first exhaust portion and the second exhaust portion form an exhaust block.
In the above-mentioned core pulling structure with deformation prevention for die casting mold, the fixed die holder is provided with a gate, the movable die holder is provided with a split cone, and when the movable die holder and the fixed die holder are assembled, the gate is connected with the split cone.
Compared with the prior art, the utility model has the advantages that the first reinforcing part is provided with the first section and the first inclined plane, the second reinforcing part is provided with the second section and the second inclined plane, the first section is abutted against the second section, and the first inclined plane is abutted against the second inclined plane, so that the ejector rod is abutted against the movable mould core, the strength of the movable mould core is ensured, the ejector rod is effectively supported, and further, the product can be effectively formed.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the structure of the ejector pin and the movable mold core;
FIG. 3 is a schematic view of the structure of the ejector pin;
FIG. 4 is a schematic view of the structure of a moving mold core;
FIG. 5 is a schematic view of the structure of a stationary die holder;
fig. 6 is a schematic structural view of the product.
In the drawing the view of the figure,
1. a fixed die holder; 100. a fixed mold core; 101. a second exhaust section; 102. a gate;
2. a movable die holder; 200. a moving mold core; 201. a first reinforcing part; 202. a first cross section; 203. a first inclined surface; 204. a first exhaust section; 205. a split cone;
3. a core pulling assembly; 300. a push rod; 301. a second reinforcing part; 302. a second cross section; 303. a second inclined surface; 304. a first portion; 305. a second portion; 306. a slide block; 307. obliquely drawing the core rod; 308. and (5) an inclined hole.
Detailed Description
The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.
As shown in fig. 1 to 6, the core-pulling structure with deformation prevention for a die-casting mold includes: the fixed die holder 1, the lower end of the fixed die holder 1 is provided with a fixed die core 100; the movable die holder 2 is positioned below the fixed die holder 1, a movable die core 200 is arranged at the upper end of the movable die holder 2, and a first reinforcing part 201 is arranged on the movable die core 200; the core pulling assembly 3 is provided with a push rod 300, the push rod 300 is movably arranged on the movable die holder 2, a second reinforcing part 301 is arranged at the end part of the push rod 300, and when the fixed die holder 1 moves towards the fixed die holder 1, the push rod 300 moves inwards, and the second reinforcing part 301 abuts against the first reinforcing part 201.
The lower extreme of fixed die seat 1 is provided with cover half core 100, the upper end of movable die seat 2 is provided with movable die core 200, the part of loose core subassembly 3 sets up respectively on movable die seat 2 and fixed die seat 1, thereby when movable die seat 2 moves to the fixed die seat 1 direction and realizes the compound die, loose core subassembly 3 drives ejector pin 300 and moves to movable die core 200 direction for movable die core 200 and cover half core 100 form the product die cavity, the second reinforcing part 301 of ejector pin 300 supports with the first reinforcing part 201 of movable die core 200 lateral wall at this moment, make ejector pin 300 bump with movable die core 200 and die core 200, guarantee the intensity of movable die core 200, ejector pin 300 plays effective support, and then the metal feed liquid feeding of follow-up ensures that the product can effectively form.
The first reinforcement 201 has a first cross section 202 and a first inclined surface 203, the second reinforcement 301 has a second cross section 302 and a second inclined surface 303, and when the movable die holder 2 and the fixed die holder 1 are clamped, the first cross section 202 abuts against the second cross section 302, and the first inclined surface 203 abuts against the second inclined surface 303.
The first inclined plane 203 and the second inclined plane 303 are arranged to play a role in guiding, the strength of the core is enhanced, after the movable die holder 2 and the fixed die holder 1 are assembled, the first inclined plane 203 abuts against the second inclined plane 303, and the first section 202 abuts against the second section 302, so that the abutting and the locking are realized, and the through hole forming of a product is ensured.
The ejector 300 has a first portion 304 and a second portion 305, the first portion 304 is connected to the core back assembly 3, and the second reinforcing portion 301 is located on the second portion 305.
The ejector rod 300 is provided with a first part 304 and a second part 305, the tail part of the first part 304 is connected with the core pulling assembly 3, and the movable die holder 2 abuts against the outer side walls of the movable die core 200 and the fixed die core 100 when the movable die holder 1 is matched with the fixed die holder,
the first portion 304 has an arch structure, and the second portion 305 has a truncated cone structure.
The first portion 304 is in an arch structure, the formed product in the product forming portion is in an arch structure, the second portion 305 is in a truncated cone structure, and the front end of the truncated cone is cut off to form a second section 302 and a second inclined plane 303.
The core pulling assembly 3 comprises a sliding block 306 and an inclined core pulling rod 307, wherein the sliding block 306 is arranged on the movable die holder 2 in a sliding manner and is connected with the ejector rod 300, an inclined hole 308 is formed in the sliding block 306, the inclined core pulling rod 307 is arranged on the fixed die holder 1, and the inclined core pulling rod 307 is movably connected with the inclined hole 308.
When the movable die holder 2 and the fixed die holder 1 are in die assembly, the inclined core drawing rod 307 is inserted into the inclined hole 308 and drives the sliding block 306 to move towards the direction of the movable die cavity, so that the second reinforcing part 301 of the ejector rod 300 abuts against the first reinforcing part 201 of the side wall of the movable die core 200, and when the movable die holder 2 and the fixed die holder 1 are in die assembly, the movable die holder 2 is away from the fixed die holder 1, so that the inclined core drawing rod 307 is separated from the inclined hole 308 and forces the sliding block 306 to move towards the direction away from the fixed die core 100, and the second reinforcing part 301 of the ejector rod 300 is away from the first reinforcing part 201 of the side wall of the movable die core 200.
The movable die holder 2 is provided with a first exhaust part 204, the fixed die holder 1 is provided with a second exhaust part 101, and when the movable die holder 2 and the fixed die holder 1 are assembled, the first exhaust part 204 and the second exhaust part 101 form an exhaust block.
The first exhaust part 204 is provided with a wavy structure, the lower end of the second exhaust part 101 is provided with a matched groove, after the die of the movable die holder 2 and the fixed die holder 1 is assembled, the first exhaust part 204 and the second exhaust part 101 form an exhaust block, so that the rear end of the exhaust block is connected with a vacuum valve, the interior of a product cavity is vacuumized, and shrinkage cavity phenomenon of a die-cast product is prevented.
The fixed die holder 1 is provided with a gate 102, the movable die holder 2 is provided with a flow dividing cone 205, and when the movable die holder 2 and the fixed die holder 1 are matched, the gate 102 is connected with the flow dividing cone 205.
After the movable die holder 2 and the fixed die holder 1 are matched, the movable die core 200 and the fixed die core 100 form a product cavity, then the metal feed liquid flows into the split cone 205 through the gate 102 and is sequentially sent to all parts of the product cavity through the split cone 205, and thus the product molding is facilitated.
It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.
Furthermore, descriptions such as those referred to herein as "first," "second," "a," and the like are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or an implicit indication of the number of features being indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present utility model, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In addition, the technical solutions of the embodiments of the present utility model may be combined with each other, but it is necessary to be based on the fact that those skilled in the art can implement the technical solutions, and when the technical solutions are contradictory or cannot be implemented, the combination of the technical solutions should be considered as not existing, and not falling within the scope of protection claimed by the present utility model.
Claims (7)
1. A core-pulling structure with deformation prevention for a die-casting mold, comprising:
the fixed die seat is provided with a fixed die core at the lower end;
the movable die holder is positioned below the fixed die holder, the upper end of the movable die holder is provided with a movable die core, and the movable die core is provided with a first reinforcing part;
the core pulling assembly is provided with a push rod, the push rod is movably arranged on the movable die holder, a second reinforcing part is arranged at the end part of the push rod, when the fixed die holder moves towards the fixed die holder, the push rod moves inwards, and the second reinforcing part abuts against the first reinforcing part.
2. The core-pulling structure with deformation prevention for a die-casting mold according to claim 1, wherein the first reinforcing portion has a first cross section and a first inclined surface, the second reinforcing portion has a second cross section and a second inclined surface, the first cross section abuts against the second cross section and the first inclined surface abuts against the second inclined surface when the movable die holder and the fixed die holder are clamped.
3. The core back structure with deformation prevention for a die-casting mold according to claim 2, wherein the ejector pin has a first portion and a second portion, the first portion is connected with the core back assembly, and the second reinforcing portion is located on the second portion.
4. A core-pulling structure with deformation prevention for a die-casting mold according to claim 3, wherein the first portion has an arch structure and the second portion has a truncated cone structure.
5. The anti-deformation core pulling structure for a die-casting mold according to claim 1, wherein the core pulling assembly comprises a sliding block and an inclined core pulling rod, the sliding block is arranged on the movable die holder in a sliding mode and is connected with the ejector rod, an inclined hole is formed in the sliding block, the inclined core pulling rod is arranged on the fixed die holder, and the inclined core pulling rod is movably connected with the inclined hole.
6. The core pulling structure with deformation prevention for a die-casting mold according to claim 1, wherein a first exhaust part is arranged on the movable die holder, a second exhaust part is arranged on the fixed die holder, and the first exhaust part and the second exhaust part form an exhaust block when the movable die holder and the fixed die holder are assembled.
7. The core pulling structure with deformation prevention for a die-casting mold according to claim 1, wherein a gate is arranged on the fixed die holder, a split cone is arranged on the movable die holder, and the gate is connected with the split cone when the movable die holder and the fixed die holder are clamped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223151269.9U CN219335918U (en) | 2022-11-24 | 2022-11-24 | Core pulling structure with deformation prevention function for die casting mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223151269.9U CN219335918U (en) | 2022-11-24 | 2022-11-24 | Core pulling structure with deformation prevention function for die casting mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219335918U true CN219335918U (en) | 2023-07-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223151269.9U Active CN219335918U (en) | 2022-11-24 | 2022-11-24 | Core pulling structure with deformation prevention function for die casting mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219335918U (en) |
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2022
- 2022-11-24 CN CN202223151269.9U patent/CN219335918U/en active Active
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