CN218050257U - Mould with extrusion pin structure - Google Patents
Mould with extrusion pin structure Download PDFInfo
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- CN218050257U CN218050257U CN202222327965.4U CN202222327965U CN218050257U CN 218050257 U CN218050257 U CN 218050257U CN 202222327965 U CN202222327965 U CN 202222327965U CN 218050257 U CN218050257 U CN 218050257U
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Abstract
The utility model belongs to the technical field of the mould, a mould with extrusion round pin structure is provided, include: the extrusion die comprises a movable die holder and a fixed die holder, wherein the movable die holder is provided with a movable die core, the fixed die holder is provided with a fixed die core, and the movable die core and the fixed die core enclose to form a forming cavity; the oil cylinder is provided with an extrusion pin on a driving end of the oil cylinder, the extrusion pin is inserted into an extrusion sleeve and can penetrate into the cavity, a liquid inlet pipe and a liquid outlet pipe are arranged on the outside of the extrusion pin, a flow channel is arranged inside the extrusion pin, and the liquid inlet pipe is communicated with the liquid outlet pipe through the flow channel. Compared with the prior art, the utility model has the advantages of this product wall thickness is uneven, and when thick place solidifies, easy shrinkage cavity moves in driving the extrusion round pin through the hydro-cylinder to the die cavity to pressurize the product, improve the hardness of product, and the pressurization process can effectively reduce the gas pocket in the product, promote the quality of product.
Description
Technical Field
The utility model belongs to the technical field of the mould, concretely relates to mould with extrusion round pin structure.
Background
In the die-casting product, because the product wall thickness is uneven, the shrinkage cavity defect can be produced to the local position than thick most of, because local shrinkage cavity problem leads to the yield not high, has influenced the productivity effect, and current die casting die structure of taking the extrusion round pin is complicated, uses inconveniently, and the metal liquid temperature is too high, damages the extrusion round pin easily among the die-casting process.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem to the current situation of prior art, and provide a mould with extrusion round pin structure.
The utility model provides a technical scheme that above-mentioned technical problem adopted does: a die having an extrusion pin structure is provided, including: the die comprises a movable die holder and a fixed die holder, wherein the movable die holder is provided with a movable die core, the fixed die holder is provided with a fixed die core, and the movable die core and the fixed die core enclose to form a forming cavity;
the extrusion device comprises an oil cylinder, wherein an extrusion pin is arranged at the driving end of the oil cylinder, the extrusion pin is inserted into the extrusion sleeve and can penetrate into the cavity, a liquid inlet pipe and a liquid outlet pipe are arranged on the outer portion of the extrusion pin, a flow channel is arranged in the extrusion pin, and the liquid inlet pipe is communicated with the liquid outlet pipe through the flow channel.
In the above mold with an extrusion pin structure, the flow channel is provided with a flow guide rod, the tail part of the flow guide rod is connected with the extrusion pin, and the liquid inlet pipe is communicated with the liquid outlet pipe through the flow guide rod.
In the above-mentioned mold with an extrusion pin structure, the guide rod has a connecting portion, a abutting portion and a guide portion, the connecting portion is connected with the extrusion pin, a first through cavity is formed between the connecting portion and the abutting portion, the first through cavity is connected with the liquid outlet pipe, the abutting portion is located between the liquid inlet pipe and the liquid outlet pipe and is abutted against the extrusion pin, the guide portion is in clearance fit with the extrusion pin, a second through cavity is formed in the guide portion, the second through cavity is communicated with the liquid inlet pipe, and the liquid inlet pipe is communicated with the liquid outlet pipe through the first through cavity and the second through cavity.
In the above mold having the extruding pin structure, the flow guiding part has a tubular structure.
In the above mold with the extrusion pin structure, a first abutting portion is arranged on the inner side of the extrusion sleeve, a second abutting portion is formed on the outer portion of the extrusion pin, and when the driving end of the oil cylinder drives the extrusion pin to penetrate into the cavity for a certain distance, the second abutting portion is movably abutted against the first abutting portion.
In the above mold with an extrusion pin structure, the liquid inlet pipe and the liquid outlet pipe are vertically arranged, and the extrusion sleeve at the liquid inlet pipe and the liquid outlet pipe is provided with a movable groove.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the wall thickness of the product is uneven, when the thick part is solidified, the hole is easy to shrink, and the extrusion pin is driven by the oil cylinder to move into the cavity, so that the product is pressurized, the hardness of the product is improved, air holes in the product can be effectively reduced in the pressurizing process, and the quality of the product is improved;
2. the extrusion structure is strong in practicability and simple in structure, and can facilitate die casting of products;
3. be provided with the runner in the extrusion round pin, thereby coolant liquid accessible feed liquor pipe flows into in the water conservancy diversion pole and reaches radiating effect through the drain pipe discharge, should set up and can prevent that the extrusion round pin from damaging under high temperature, and then guarantee the product quality after the die-casting.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a sectional view of the structure of the present invention;
fig. 3 is a schematic view of the structure of the extruding bushing and the extruding pin.
In the figure, 1, a die core is fixed; 2. extruding the sleeve; 3. an oil cylinder; 4. a pressing pin; 5. a liquid inlet pipe; 6. a liquid outlet pipe; 7. a flow channel; 8. a guide rod; 9. a connecting portion; 10. a tightening part; 11. a flow guide part; 12. a first through cavity; 13. a second through cavity; 14. a first abutting portion; 15. a second abutting portion; 16. a movable groove.
Detailed Description
The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.
As shown in fig. 1 to 3, the present mold having the structure of the extrusion pin 4 includes: the die comprises a movable die holder and a fixed die holder, wherein the movable die holder is provided with a movable die core, the fixed die holder is provided with a fixed die core 1, and the movable die core and the fixed die core 1 enclose to form a cavity, and the die is characterized in that an extrusion sleeve 2 is inserted into the fixed die core 1; the extrusion device comprises an oil cylinder 3, wherein a squeezing pin 4 is arranged at the driving end of the oil cylinder 3, the squeezing pin 4 is inserted into the squeezing sleeve 2 and can penetrate into a cavity, a liquid inlet pipe 5 and a liquid outlet pipe 6 are arranged on the outer portion of the squeezing pin 4, a flow channel 7 is arranged inside the squeezing pin 4, and the liquid inlet pipe 5 is communicated with the liquid outlet pipe 6 through the flow channel 7.
The movable mould core and the fixed mould core 1 abut against each other to form a cavity, external metal solution is poured into the cavity to form a product, the solidification process is carried out, the thickness of each part of the product is often different, a shrinkage cavity can be formed when the thick part is solidified, the driving end of the oil cylinder 3 drives the extrusion pin 4 to move towards the cavity, the extrusion sleeve 2 arranged on the fixed mould core 1 plays a guiding role for the extrusion pin 4, the end of the extrusion pin 4 is deep into the cavity, the shrinkage cavity is complemented, air in the metal solution is discharged, the end of the extrusion pin 4 is located in the cavity, the temperature contacted with the end of the extrusion pin 4 is too high, the extrusion pin 4 can be damaged, and therefore when the extrusion pin 4 is deep into the cavity, cooling liquid flows into the extrusion pin 4 through the liquid inlet pipe 5 and flows out of the liquid outlet pipe 6, and the heat dissipation effect is achieved on the extrusion pin 4.
Preferably, a flow guide rod 8 is arranged on the flow channel 7, the tail part of the flow guide rod 8 is connected with the extrusion pin 4, and the liquid inlet pipe 5 is communicated with the liquid outlet pipe 6 through the flow guide rod 8.
The guide rod 8 plays a role in guiding for the flowing path of the cooling liquid, the cooling liquid flows to the end of the extrusion pin 4 along the guide of the guide rod 8 and flows out of the liquid outlet pipe 6 in order, so that the extrusion pin 4 is cooled, and the cooling liquid is prevented from flowing in disorder in the extrusion pin 4.
Further preferably, the flow guide rod 8 is provided with a connecting portion 9, a abutting portion 10 and a flow guide portion 11, the connecting portion 9 is connected with the extruding pin 4, a first through cavity 12 is formed between the connecting portion 9 and the abutting portion 10, the first through cavity 12 is connected with the liquid outlet pipe 6, the abutting portion 10 is located between the liquid inlet pipe 5 and the liquid outlet pipe 6 and abuts against the extruding pin 4, the flow guide portion 11 is in clearance fit with the extruding pin 4, a second through cavity 13 is formed in the flow guide portion 11, the second through cavity 13 is communicated with the liquid inlet pipe 5, and the liquid inlet pipe 5 is communicated with the liquid outlet pipe 6 through the first through cavity 12 and the second through cavity 13.
The cooling liquid flows into the gap between the flow guide part 11 and the direct flow channel 7 of the extrusion pin 4, the flow guide part 11 is surrounded upwards along the pressure of the external cooling liquid to the flow channel 7 until the top end inside the extrusion pin 4 of the flow channel 7, so that the end of the extrusion pin 4 is cooled, the cooled cooling liquid flows into the first through cavity 12 along the second through cavity 13 formed in the end of the flow guide part 11 and then flows out from the liquid outlet pipe 6.
The flow guide part 11 is of a tubular structure.
The advantage that water conservancy diversion portion 11 is tubular structure design like this lies in, can evenly be to each lateral wall effective cooling of extrusion round pin 4, ensure the life of extrusion round pin 4.
The inner side of the extrusion sleeve 2 is provided with a first abutting part 14, a second abutting part 15 is formed outside the extrusion pin 4, and after the driving end of the oil cylinder 3 drives the extrusion pin 4 to penetrate into the cavity for a certain distance, the second abutting part 15 is movably abutted against the first abutting part 14.
The first abutting part 14 and the second abutting part 15 are arranged to play a limiting role, and the extrusion pin 4 is guaranteed not to be pulled to be stuck, so that extrusion failure is caused.
The liquid inlet pipe 5 and the liquid outlet pipe 6 are vertically arranged, and the extrusion sleeve 2 positioned at the liquid inlet pipe 5 and the liquid outlet pipe 6 is provided with a movable groove 16.
The advantage of vertical range lies in that coolant liquid flow path increases in flow path 7, and then better realizes the cooling effect to extrusion round pin 4 to movable groove 16 has been seted up on extrusion sleeve 2, thereby when hydro-cylinder 3 drove extrusion round pin 4 and removes, feed liquor pipe 5 and drain pipe 6 can remove in movable groove 16, prevent to damage.
It should be noted that all the directional indicators (such as up, down, left, right, front, back, 8230; \8230;) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the attached drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
Furthermore, the descriptions in the present application as to "first," "second," "a," etc. are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating a number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present application, unless expressly stated or limited otherwise, the terms "connected" and "secured" are to be construed broadly, and thus, for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In addition, the technical solutions of the embodiments of the present invention can be combined with each other, but it is necessary to use a person skilled in the art to realize the basis, and when the technical solutions are combined and contradictory to each other or cannot be realized, the combination of the technical solutions should not exist, and is not within the protection scope of the present invention.
Claims (6)
1. A die having an extrusion pin structure, comprising: the die comprises a movable die holder and a fixed die holder, wherein the movable die holder is provided with a movable die core, the fixed die holder is provided with a fixed die core, and the movable die core and the fixed die core enclose to form a forming cavity;
the extrusion device comprises an oil cylinder, wherein a squeezing pin is arranged at the driving end of the oil cylinder, the squeezing pin is inserted in the squeezing sleeve and can penetrate into the cavity, a liquid inlet pipe and a liquid outlet pipe are arranged on the outer portion of the squeezing pin, a flow channel is arranged inside the squeezing pin, and the liquid inlet pipe is communicated with the liquid outlet pipe through the flow channel.
2. The mold with the extrusion pin structure as recited in claim 1, wherein a flow guiding rod is disposed on the flow channel, a tail portion of the flow guiding rod is connected to the extrusion pin, and the liquid inlet pipe and the liquid outlet pipe are communicated through the flow guiding rod.
3. The mold with the extrusion pin structure according to claim 2, wherein the flow guiding rod has a connecting portion, a tightening portion and a flow guiding portion, the connecting portion is in threaded connection with the extrusion pin, a first through cavity is formed between the connecting portion and the tightening portion, the tightening portion is located between the liquid inlet pipe and the liquid outlet pipe and is tightened against the extrusion pin, the flow guiding portion is in clearance fit with the extrusion pin, a second through cavity is formed in the flow guiding portion, and the first through cavity is communicated with the second through cavity.
4. The mold having an extrusion pin structure as set forth in claim 3, wherein the guide part has a tubular structure.
5. The mold with the extrusion pin structure according to claim 1, wherein a first abutting portion is arranged on the inner side of the extrusion sleeve, a second abutting portion is formed on the outer portion of the extrusion pin, and when the driving end of the oil cylinder drives the extrusion pin to penetrate into the cavity for a certain distance, the second abutting portion is movably abutted against the first abutting portion.
6. The mold according to claim 5, wherein the liquid inlet pipe and the liquid outlet pipe are vertically arranged, and the extrusion sleeve at the liquid inlet pipe and the liquid outlet pipe is provided with a movable groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222327965.4U CN218050257U (en) | 2022-08-31 | 2022-08-31 | Mould with extrusion pin structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222327965.4U CN218050257U (en) | 2022-08-31 | 2022-08-31 | Mould with extrusion pin structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218050257U true CN218050257U (en) | 2022-12-16 |
Family
ID=84408146
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222327965.4U Active CN218050257U (en) | 2022-08-31 | 2022-08-31 | Mould with extrusion pin structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218050257U (en) |
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2022
- 2022-08-31 CN CN202222327965.4U patent/CN218050257U/en active Active
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