CN215392382U - Split type rapidly-replaceable punch for die casting and squeeze casting forming - Google Patents
Split type rapidly-replaceable punch for die casting and squeeze casting forming Download PDFInfo
- Publication number
- CN215392382U CN215392382U CN202121275155.8U CN202121275155U CN215392382U CN 215392382 U CN215392382 U CN 215392382U CN 202121275155 U CN202121275155 U CN 202121275155U CN 215392382 U CN215392382 U CN 215392382U
- Authority
- CN
- China
- Prior art keywords
- punch
- connector
- drift
- rear end
- casting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Forging (AREA)
Abstract
The utility model relates to a split type rapidly replaceable punch for die casting and extrusion casting forming, and belongs to the technical field of aluminum and magnesium alloy die casting forming. This split type drift includes drift front end housing, drift connector and drift rear end connector, between drift front end housing and the drift connector, all through threaded connection between drift connector and the drift rear end connector, forms split type drift structure inner chamber, and the external diameter of drift front end housing cooperatees with the die casting machine feed cylinder, and through threaded connection between drift rear end connector and the penetrating material pole, the external diameter of drift front end housing is greater than the external diameter of drift connector. The split type punch is convenient and quick to disassemble, and the wear condition of the punch can be quickly diagnosed; the punch cost is reduced, and the machining is convenient; the design of wall thickness is more even, effectively alleviates the drift and leads to being heated the inequality and arouse the deformation inefficacy because of the wall thickness is uneven, improves production efficiency. The utility model has reasonable design and strong practicability and can be widely popularized and applied to the market.
Description
Technical Field
The utility model relates to a split type rapidly replaceable punch for die casting and extrusion casting forming, and belongs to the technical field of aluminum and magnesium alloy die casting forming.
Background
The die-casting technology is a metal casting technology and features that the high pressure is applied to molten metal in the cavity of die. The die is typically machined from a stronger alloy. In the traditional liquid die-casting forming process, molten metal fills a cavity under pressure and is crystallized and solidified under higher pressure, the common pressure is 30-100MPa, the molten metal fills the cavity at high speed, usually 15-60 m/s, and some can exceed 80 m/s (the linear velocity of the molten metal introduced into the cavity through an inner pouring gate is the speed of the inner pouring gate), so that the filling time of the molten metal is extremely short, and the cavity can be filled in about 0.01-0.2 s (which is different according to the size of a casting).
The die casting is a precise casting method, and the product produced by the die casting forming process has high dimensional precision and good surface quality, and can realize near-net forming. The die casting is not used in the aspects of automobiles, motorcycles, tractors, consumer electronics, agricultural machinery, instruments, daily necessities and the like.
The punch is an indispensable accessory in the field of die-casting forming process, the material is mostly cast iron or H13 steel material, the die-casting machine injects metal or semisolid metal melt into a die cavity of the injection mold in a charging barrel through a material injection rod connected with the punch to form a die-casting product or a semisolid die-casting forming part. The production efficiency of the die-casting forming process is high, the outer circle of the punch is in direct contact with the charging barrel, the punch belongs to a vulnerable part and needs to be replaced regularly, and belongs to an easily-consumed product necessary for production, the insufficient size precision of the punch can cause burrs on a material cake of a product, the pressure relief of the product can be caused during pressurization and feeding in serious cases, metal melt can fly out of the back of the punch in the die-casting forming process seriously, the health of site engineers and operators is harmed, and the charging barrel can be damaged by scratching the charging barrel and the punch, so that the charging barrel is invalid.
The punch is also suitable for extrusion casting forming process.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model aims to provide a split type quick-replaceable punch structure for die-casting forming and extrusion casting forming.
The technical scheme of the utility model is as follows:
the utility model provides a but, split type quick replacement drift for die-casting and extrusion casting shaping, includes drift front end housing, drift connector and drift rear end connector, between drift front end housing and the drift connector, all through threaded connection (spiro union) between drift connector and the drift rear end connector, form split type drift structural cavity, the external diameter and the die casting machine feed cylinder of drift front end housing cooperate, the drift rear end connector with penetrate through the helicitic texture between the material pole and be connected, the external diameter more than or equal to drift connector of drift front end housing's external diameter.
Preferably, the outer diameter of the front end cover of the punch is 0.05-0.5mm larger than the outer diameter of the punch connector. The outer diameter of the punch rear end connector is smaller than that of the punch connector.
Further, the punch head connector comprises a front end connecting part, a main body and a rear end connecting part, wherein the inner diameter of the front end connecting part is equal to that of the main body, and the inner diameter of the rear end connecting part is smaller than that of the main body.
The outside of the front end connecting part of the punch head connector and the inside of the punch head front end cover are respectively provided with a thread structure, the outer diameter of the front end connecting part is matched with the inner diameter of the punch head front end cover, and the front end connecting part and the punch head front end cover are connected through threads.
The outside of the rear end connecting portion of the punch connector and the inside of the punch rear end connector are respectively provided with a thread structure, the outer diameter of the rear end connecting portion is matched with the inner diameter of the punch rear end connector, and the outer diameter of the rear end connecting portion is in threaded connection with the inner diameter of the punch rear end connector.
Further, a rubber ring is arranged between the punch head connector and the punch head front end cover or the punch head rear end connector; a rubber ring fixing clamping groove is formed in the connecting end face between the punch head connector and the punch head front end cover or the punch head rear end connector, and the rubber ring is arranged in the rubber ring fixing clamping groove; the sealing effect can be increased, the punch is prevented from leaking after water is introduced into the punch, and the effective circulation of the cooling water of the punch in the inner cavity is ensured.
Furthermore, the integral average wall thickness of the front end cover of the punch is 4-40mm, and the diameter of the excircle of the side wall of the front end cover is more than or equal to that of the side wall of the connector of the punch.
Furthermore, the average wall thickness of the front end cover of the punch, the punch connector and the punch rear end connector is 5-40mm, and cooling water is introduced into an inner cavity after assembly, so that the punch can uniformly dissipate heat and is prevented from deforming. The inner cavity of the split punch structure is connected with the hollow injection rod; the cooling pipe is arranged in the material injection rod, a gap is formed between the cooling pipe and the material injection rod, and high-pressure cooling water flows out from the gap between the cooling pipe and the material injection rod after entering the cavity for cooling.
Furthermore, the front end cover of the punch, the punch connector and the rear end connector of the punch can be made of the same material or different materials.
In the utility model, the design of the inner cavity of the split type punch is more uniform, the machining of each part is easier to realize, internal boring is not needed, the size precision of the whole punch is maintained due to uniform wall thickness, the punch is contacted with a metal melt or a semisolid metal melt during forming, and the expansion and deformation of the punch are inconsistent if the temperature of the punch is increased and the wall thickness is uneven; causing punch size failure, increasing the risk of jamming the punch and the risk of barrel damage.
According to the utility model, the front end cover of the punch can be quickly detached and replaced, when the punch follows out of the charging barrel, the front end cover of the punch can be detached and replaced at the front end of the die, and the material injection rod and the punch do not need to be integrally detached.
In the utility model, the sizes of the front end cover of the punch and the punch connector are set to be in an inconsistent state, and the diameter of the excircle of the side wall of the front end cover of the punch is 0.05-0.5mm larger than the outer diameter of the excircle of the side wall of the punch connector; this design has two benefits: 1. the contact area between the punch and the charging barrel is reduced, and the abrasion is reduced; 2. the abrasion state of the punch can be quickly confirmed, when the side wall of the punch connector is abraded, the degree that the size of the front end cover of the punch is abraded and reduced is large, and continuous and stable production can be guaranteed by replacing the front end cover of the punch; 3. the charging barrel has the self-cleaning function, when the punch is injected to complete retraction, impurities on the inner wall of the charging barrel can be removed through a gap between the front end cover of the punch and the punch connector, and the punch or the charging barrel is prevented from being scratched due to repeated residues.
Compared with the prior art, the utility model has the technical effects that: the utility model is used for the die-casting forming with the split type but quick replacement drift structure, its advantage includes: 1. 2, the punch head is convenient and quick to disassemble, and the wear condition of the punch head is convenient and quick to diagnose; 3. the cost of the punch is reduced, and the punch can be replaced only by replacing the front end cover of the punch; 4. the machining is convenient, and the workpiece can be machined without boring; 5. the wall thickness design is more even, effectively alleviates the drift and leads to being heated the inequality and arouse the deformation inefficacy because of the wall thickness is uneven, and above advantage all can improve production efficiency. The utility model has reasonable design and strong practicability and can be widely popularized and applied to the market.
Drawings
FIG. 1 is a schematic view of a split type quick replaceable punch structure for die-casting forming according to the present invention;
FIG. 2 is a front view of a split quick-change punch configuration for die-casting according to the present invention;
fig. 3 is a cross-sectional view of a split quick-change punch configuration for die-casting according to the present invention.
Description of the main reference numerals: 1-punch front end cover; 2-punch head; 3-a punch rear end connector; 4-the rubber ring fixes the neck.
Detailed Description
The utility model provides a split type quick-replaceable punch structure for die-casting forming, and in order to more fully understand the technical content of the utility model, the utility model is further described with reference to the accompanying drawings and specific embodiments.
The utility model relates to a split type rapidly-replaceable punch structure for die-casting and extrusion casting forming, which comprises a punch front end cover, a punch connector and a connector matched with a material injection rod at the rear end of the punch; the excircle diameter of the front end cover of the punch is matched with a charging barrel of a die casting machine, the inner part of the front end cover is machined into an internal thread structure and matched with a punch connector, and the integral average wall thickness is 4-40 mm; one end of the middle punch head connector is in threaded connection and matching with the punch head front end cover, the other end of the middle punch head connector is in threaded connection and matching with the punch head rear end and the material injection rod connector, and the outer circle diameter of the punch head connector is generally smaller than or equal to the outer diameter of the punch head front end cover; the rear end of the punch and the two ends inside the connector of the material injection rod are of threaded structures and are matched with the connector of the material injection rod and the punch. The average wall thickness of the punch front end cover, the punch connector, the punch rear end and the material injection rod matched connector is 5-40mm, and cooling water is introduced into an inner cavity after assembly, so that the punch can uniformly dissipate heat, and deformation is avoided.
Example 1
As shown in fig. 1 to 3, a split type fast replaceable punch structure for die-casting includes: the punch front end cover 1. The inside wall of drift front end housing 1 sets up helicitic texture, be connected through the screw thread with drift connector 2, drift front end housing 1 sets up rubber circle (ring) fixed slot 4 with 2 tip of drift connector, drift connector 2 is connected through helicitic texture with drift rear end connector 3, drift connector 2 sets up rubber circle (ring) fixed slot 4 with the 3 continuous tip of drift rear end connector, the 1 average wall thickness of drift front end housing is 25mm, 1 lateral wall external diameter of drift front end housing is 100mm, 2 lateral wall external diameters of drift connector are 99.88mm, 3 lateral wall external diameters of drift rear end connector are 95 mm. The average wall thickness of the punch head 2 is 30mm, and the average wall thickness of the punch head rear end connector 3 is 25 mm. The external diameter of drift front end housing 1 cooperatees with the die casting machine feed cylinder, and drift rear end connector 3 passes through helicitic texture and is connected with penetrating the material pole. The inner cavity of the split punch structure is connected with the hollow material injection rod, and the thread fixing hole is M48; the cooling pipe is arranged in the material injection rod, a gap is formed between the cooling pipe and the material injection rod, and high-pressure cooling water flows out from the gap between the cooling pipe and the material injection rod after entering the cavity for cooling.
The punch head connector 2 consists of a front end connecting part, a main body and a rear end connecting part, the inner diameter of the front end connecting part is the same as that of the main body, and the inner diameter of the rear end connecting part is smaller than that of the main body.
When the size of the side wall of the punch front end cover 1 is reduced in the production process, when the abrasion state exists on the surface of the side wall of the punch connector 2 in the process of punch production return, the material injection rod extends out of the charging barrel and the fixed die, the punch connector with the corresponding size capable of being replaced can be replaced to continue production, and the efficiency is greatly improved. The split type punch head structure is made of cast iron materials (high-frequency quenching heat treatment process).
Example 2
The punch head front end cover 1 of the split type punch head structure is made of H13 steel (in a heat treatment state), and the punch head connector 2 and the punch head rear end connector 3 are made of cast iron materials.
Example 3
The punch head front end cover 1 of the split type punch head structure is made of beryllium copper, and the punch head connector 2 and the punch head rear end connector 3 are made of H13 steel materials. The outer diameter of the side wall of the punch head front end cover 1 is 110mm, and the outer diameter of the side wall of the punch head connector 2 is 109.5 mm. The outer diameter of the side wall of the punch rear end connector 3 is 105 mm.
The technical contents of the present invention are further illustrated by the examples only for the convenience of the reader, but the embodiments of the present invention are not limited thereto, and any technical extension or re-creation based on the present invention is protected by the present invention.
Claims (10)
1. The utility model provides a but, split type quick replacement drift for die-casting and squeeze casting shaping which characterized in that: including drift front end housing, drift connector and drift rear end connector, between drift front end housing and the drift connector, all through threaded connection between drift connector and the drift rear end connector, form split type drift structure inner chamber, the external diameter of drift front end housing cooperatees with the die casting machine feed cylinder, pass through threaded connection between drift rear end connector and the penetrating material pole, the external diameter more than or equal to drift connector of drift front end housing.
2. The split quick change punch for die casting and extrusion casting as claimed in claim 1, wherein: the outer diameter of the front end cover of the punch is 0.05-0.5mm larger than that of the punch connector.
3. The split quick change punch for die casting and extrusion casting as claimed in claim 1, wherein: the outer diameter of the punch rear end connector is smaller than that of the punch connector.
4. The split quick change punch for die casting and extrusion casting according to any one of claims 1-3, wherein: the punch connector comprises a front end connecting part, a main body and a rear end connecting part, wherein the inner diameter of the front end connecting part is equal to that of the main body part, and the inner diameter of the rear end connecting part is smaller than that of the main body part.
5. The split quick change punch for die casting and extrusion casting as claimed in claim 4, wherein: the outer part of the front end connecting part of the punch head connector and the inner part of the front end cover of the punch head are respectively provided with a thread structure, and the outer diameter of the front end connecting part is matched with the inner diameter of the front end cover of the punch head; the outside of the rear end connecting portion of the punch connector and the inside of the punch rear end connector are respectively provided with a thread structure, and the outer diameter of the rear end connecting portion is matched with the inner diameter of the punch rear end connector.
6. The split quick change punch for die casting and extrusion casting as claimed in claim 1, wherein: and a rubber ring is arranged between the punch head connector and the punch head front end cover or the punch head rear end connector.
7. The split quick change punch for die casting and extrusion casting as claimed in claim 6, wherein: the connection end face between the punch head connector and the punch head front end cover or the punch head rear end connector is provided with a rubber ring fixing clamping groove, and the rubber ring is arranged in the rubber ring fixing clamping groove.
8. The split quick change punch for die casting and extrusion casting as claimed in claim 1, wherein: the wall thickness of the front end cover of the punch is 4-40 mm.
9. The split quick change punch for die casting and extrusion casting as claimed in claim 1, wherein: the wall thickness of the punch head connector and the punch head rear end connector is 5-40 mm.
10. The split quick change punch for die casting and extrusion casting as claimed in claim 1, wherein: the punch front end cover, the punch connector and the punch rear end connector are made of the same material or different materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121275155.8U CN215392382U (en) | 2021-06-08 | 2021-06-08 | Split type rapidly-replaceable punch for die casting and squeeze casting forming |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121275155.8U CN215392382U (en) | 2021-06-08 | 2021-06-08 | Split type rapidly-replaceable punch for die casting and squeeze casting forming |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215392382U true CN215392382U (en) | 2022-01-04 |
Family
ID=79679935
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121275155.8U Active CN215392382U (en) | 2021-06-08 | 2021-06-08 | Split type rapidly-replaceable punch for die casting and squeeze casting forming |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215392382U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116511451A (en) * | 2023-04-28 | 2023-08-01 | 重庆顺多利机车有限责任公司 | Die casting system |
| CN116511456A (en) * | 2023-04-28 | 2023-08-01 | 重庆顺多利机车有限责任公司 | Liquid forging machine |
-
2021
- 2021-06-08 CN CN202121275155.8U patent/CN215392382U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116511451A (en) * | 2023-04-28 | 2023-08-01 | 重庆顺多利机车有限责任公司 | Die casting system |
| CN116511456A (en) * | 2023-04-28 | 2023-08-01 | 重庆顺多利机车有限责任公司 | Liquid forging machine |
| CN116511456B (en) * | 2023-04-28 | 2024-04-16 | 重庆顺多利机车有限责任公司 | Liquid forging machine |
| CN116511451B (en) * | 2023-04-28 | 2024-04-30 | 重庆顺多利机车有限责任公司 | Die casting system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN215392382U (en) | Split type rapidly-replaceable punch for die casting and squeeze casting forming | |
| JP3370278B2 (en) | Method and apparatus for semi-solid injection molding of metal | |
| CN207431212U (en) | The semisolid injection (mo(u)lding) machine of multistation injection | |
| EP1337367B1 (en) | Improved injection nozzle for a metallic material injection-molding machine | |
| CN104439159A (en) | Compound liquid forging squeeze casting equipment | |
| CN216705871U (en) | Manufacturing die for producing cylinder threaded sleeve of plastic extruding machine by vertical injection-compression production line | |
| CN109261931A (en) | A kind of the second level Extrution casting technique and device of case of transmission | |
| JP2009166057A (en) | Split type recycling plunger tip for die casting device | |
| CN214601840U (en) | Novel die casting machine with improved injection head | |
| US20130022704A1 (en) | Mold-Tool Assembly Including Resin-Retaining Device Located Relative To Stem-Tip Portion | |
| CN211161848U (en) | Pouring gate equipment of magnesium alloy new energy automobile battery shell | |
| CN214448171U (en) | Anti-wire drawing sprue bushing for injection molding and injection mold | |
| CN220862687U (en) | Quick-dismantling replacement structure of electric vehicle die-casting forming cooling charging barrel | |
| CN104259422B (en) | Follow-on die casting machine pressurizer | |
| CN212147362U (en) | Sprue bush assembly and hot runner injection molding system | |
| JPH0195858A (en) | Plunger tip structure | |
| CN204209093U (en) | Multiple-grooved aluminium alloy disk die-casting forming die | |
| CN210679472U (en) | Injection molding machine nozzle filter equipment | |
| CN214773700U (en) | Sprue bush | |
| CN210754399U (en) | High-precision diamond CD material wire drawing die | |
| CN218656741U (en) | Extrusion mechanism for die casting machine | |
| KR200327496Y1 (en) | A plunger tip for die casting | |
| US6042362A (en) | Thermosetting resin injection molding machine | |
| CN112893505B (en) | High-precision matched power supply shell extrusion die | |
| CN218050257U (en) | Mould with extrusion pin structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |