CN201997689U - Injection punch with chutes - Google Patents
Injection punch with chutes Download PDFInfo
- Publication number
- CN201997689U CN201997689U CN201120055174XU CN201120055174U CN201997689U CN 201997689 U CN201997689 U CN 201997689U CN 201120055174X U CN201120055174X U CN 201120055174XU CN 201120055174 U CN201120055174 U CN 201120055174U CN 201997689 U CN201997689 U CN 201997689U
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- CN
- China
- Prior art keywords
- chutes
- lateral face
- injection punch
- lateral surface
- punch
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses an injection punch with chutes, which is provided with a cylindrical peripheral lateral face. The peripheral lateral face of the punch is divided into a first peripheral lateral face and a second peripheral lateral face through a section which passes through the central axis of the punch, a plurality of first chutes are arranged on the first peripheral lateral face, a plurality of second chutes are arranged on the second lateral face, and the first chutes are symmetrical with the second chutes with the section passing through the central axis serving as a symmetrical plane. The first chute and the second chute can perform a scrape action on solidified metal in gaps between the punch and a punching room so as to enable the solidified metal to be scraped and flow out. The injection punch can effectively lower the failure rate of being stuck, thereby further improving the durability and reliability of a die casting machine and an extrusion casting machine, improving efficiency of equipment and being durable.
Description
Technical field
The utility model belongs to the metal casting field of mechanical technique, is specifically related to a kind of structure improved die casting machine or extrusion casting machine injection punch head.
Background technology
Injection punch head is that die casting machine and extrusion casting machine are directly clamp-oned molten metal formed in mould part.Existing injection punch head has a cylindrical side usually, because injection punch head will pressed chamber the inside freely-movable, need to exist a rational gap between injection punch head and the pressure chamber, yet because the existence of this gap, when carrying out die casting or extrusion casint, molten metal can solidify in this gap and cause the stuck of injection punch head, thereby has influenced the operating efficiency of equipment.At present, still do not have the relevant art means and solve the stuck problem of this injection punch head.
The utility model content
The purpose of this utility model is at the deficiencies in the prior art part, and a kind of injection punch head that prevents to cause because of solidification of molten metal stuck fault is provided.
For achieving the above object, the utility model adopts following technical scheme:
The injection punch head of tool skewed slot has a columniform circumferential lateral surface; The circumferential lateral surface of described drift is divided into first circumferential lateral surface and second circumferential lateral surface by the tangent plane of axis among the mistake drift, described first circumferential lateral surface is provided with some first skewed slots, described second circumferential lateral surface is provided with some second skewed slots, and described first skewed slot and second skewed slot are that the plane of symmetry is symmetrical arranged with this tangent plane of crossing the axis.This first skewed slot and second skewed slot can be to being formed at drift and pressing the frozen metal in gap between the chamber to produce scraping action and the frozen metal is flowed out by scraping.
As preferably, described some first skewed slots equidistantly be arranged in parallel.
The utility model can effectively reduce the stuck fault rate of injection punch head by adopting said structure, thereby further improves the lasting and reliability of die casting machine and extrusion casting machine work, and device efficiency is improved, and is durable in use.
Description of drawings
Fig. 1 is the side-looking structural representation of injection punch head described in the utility model.
Fig. 2 is the sectional structure schematic diagram of Fig. 1.
Among the figure:
The 1-injection punch head; 111-first circumferential lateral surface; 112-second circumferential lateral surface; Axis among the 12-drift; 13-crosses the tangent plane of axis; 21-first skewed slot; 22-second skewed slot.
The specific embodiment
As depicted in figs. 1 and 2, injection punch head 1 described in the utility model has one and is the circumferential lateral surface of cylindrical side, and this circumferential lateral surface is divided into first circumferential lateral surface 111 and second circumferential lateral surface 112 by a tangent plane 13 of crossing the axis.At first circumferential lateral surface, 111 equal intervals several first skewed slots 21 that be arranged in parallel, at second circumferential lateral surface, 112 equal intervals several second skewed slots 22 that be arranged in parallel, this first skewed slot 21 and second skewed slot 22 are that the plane of symmetry is symmetrical arranged with this tangent plane 13 of crossing the axis, promptly the grooved of first skewed slot 21 and second skewed slot 22 and quantity equate, but oblique opposite.
When the described injection punch head of present embodiment is applied to die casting machine or extrusion casting machine, if the gap between drift and pressure chamber produces the frozen metal, then pressing in the process that the chamber moves at injection punch head, the cutting edge of those first skewed slots and the second skewed slot periphery can produce scraping action to this frozen metal, be that the frozen metal is flowed out by scraping, effectively avoid the generation of injection punch head stuck phenomenon; And, because first skewed slot and second skewed slot pile setting, the frozen metal being carried out in the scraping process, active force and reaction force that injection punch head is suffered are cancelled out each other, and can not cause getting loose of injection punch head.
Claims (2)
1. have an injection punch head of skewed slot, has a columniform circumferential lateral surface, it is characterized in that, the circumferential lateral surface of described drift is divided into first circumferential lateral surface and second circumferential lateral surface by the tangent plane of axis among the mistake drift, described first circumferential lateral surface is provided with some first skewed slots, described second circumferential lateral surface is provided with some second skewed slots, and described first skewed slot and second skewed slot are that the plane of symmetry is symmetrical arranged with this tangent plane of crossing the axis.
2. injection punch head according to claim 1 is characterized in that, described some first skewed slots equidistantly be arranged in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120055174XU CN201997689U (en) | 2011-03-04 | 2011-03-04 | Injection punch with chutes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120055174XU CN201997689U (en) | 2011-03-04 | 2011-03-04 | Injection punch with chutes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201997689U true CN201997689U (en) | 2011-10-05 |
Family
ID=44700464
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120055174XU Expired - Fee Related CN201997689U (en) | 2011-03-04 | 2011-03-04 | Injection punch with chutes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201997689U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102133624A (en) * | 2011-03-04 | 2011-07-27 | 广东科达机电股份有限公司 | Injection plunger |
-
2011
- 2011-03-04 CN CN201120055174XU patent/CN201997689U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102133624A (en) * | 2011-03-04 | 2011-07-27 | 广东科达机电股份有限公司 | Injection plunger |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111005 Termination date: 20170304 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |