CN203578722U - Injection plunger assembly - Google Patents
Injection plunger assembly Download PDFInfo
- Publication number
- CN203578722U CN203578722U CN201320711129.4U CN201320711129U CN203578722U CN 203578722 U CN203578722 U CN 203578722U CN 201320711129 U CN201320711129 U CN 201320711129U CN 203578722 U CN203578722 U CN 203578722U
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- China
- Prior art keywords
- guide section
- cooling water
- injection
- connecting rod
- water guide
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- Expired - Fee Related
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Abstract
The utility model discloses an injection plunger assembly comprising an injection plunger and an injection connecting rod. The injection connecting rod is of a hollow structure and provided with a cooling passage used for cooling the injection plunger, the cooling passage is fed with water through a cooling water guide section, and the cooling water guide section is fastened in the injection connecting rod. The cooling water guide section is fastened in the injection connecting rod by a proper mechanical mode, good long-time sealing can be formed, and the guide section of the injection connecting rod can be prevented from axial movement, so that long-time static seal effect of a sealing ring is guaranteed, and cooling water is prevented from leaking axially, and the guide section of the injection connecting rod is prevented from being rusted due to leakage of the cooling water.
Description
Technical field
The utility model relates to a kind of die casting appurtenances, particularly a kind of injection punch head assembly.
Background technology
Compression mod owing to being used under the environment of HTHP, and condition is very severe, cold and heat succeed each other, and tension stress and compression impact, molding surface very easily produces crack performance, affects surface quality of continuous castings and die life.Injection connecting rod and injection punch head are the requisite appurtenances of extrusion process, and the type of cooling to be adopted from injection connecting rod (injection connecting rod is hollow structure) turnover cooling water; And be the result of use that reaches good, the general interpolation water inlet pipe that adopts is forced the type of cooling, guarantee that the low cooling water of temperature takes the lead in arriving injection punch head position, arrive after injection punch head again by the backwater channel water outlet between water inlet pipe outer wall and injection connecting rod, realize circulation, take away heat, reach cooling effect.
In prior art, cooling water generally enters by the guide section of water inlet pipe, this guide section cylindrical is by forming axial seal between rubber ring and injection connecting rod, because guide section does not have rational axial limiting means, in the course of work can there is axial float in guide section and water inlet pipe, cause rubber ring by friction damage, cooling water leakage, causes waste and sanitary cannot maintenance; In addition, the cooling water of leakage can cause the corrosion of the sealing surface of guide section, affects its service life.
Therefore, need to improve existing die casting injection punch head structure, can form good long period sealing, avoid the guide section generation axial float of injection connecting rod, thereby guarantee the long period static seal effect of sealing ring, avoid cooling water to leak vertically and avoid the guide section of injection connecting rod that the corrosion causing due to cooling water leakage occurs.
Utility model content
In view of this, the utility model provides a kind of injection punch head assembly, can form good long period sealing, avoid the guide section generation axial float of injection connecting rod, thereby guarantee the long period static seal effect of sealing ring, avoid cooling water to leak vertically and avoid the guide section of injection connecting rod that the corrosion causing due to cooling water leakage occurs.
Injection punch head assembly of the present utility model, comprise injection punch head and injection connecting rod, described injection connecting rod is hollow structure and is provided with the cooling duct for cooling injection punch head, and cooling duct intakes by a cooling water guide section, and described cooling water guide section is anchored in injection connecting rod.
Further, described cooling water guide section is anchored in injection connecting rod by being fixed on the fastening plug of injection connecting rod, adopts the fastening structure of fastening plug, and easy accessibility, and fastening force is adjustable has good adaptive capacity for the installation of cooling water guide section; Can adopt interior hexagonal structure, make the tail end face of fastening plug submerge or flush in injection connecting rod tail end.
Further, between described cooling water guide section tail end face and fastening plug, be provided with cushion pad; This cushion pad has axial compressed ability, for the distortion of parts, has good adaptability, avoids the stress that in the course of work, the change of temperature causes, thus guarantee all parts life cycle prolongation and do not lose efficacy.
Further, the intake tunnel of described cooling duct is water inlet pipe, and this water inlet pipe and cooling water guide section are tightly connected, and can adopt the common means that are tightly connected, and also can adopt integrally formed structure, all can realize utility model object.
Further, described cooling water guide section is provided with water inlet, and this water inlet is positioned at cooling water guide section radially, convenient installation and layout water stream channel, during actual use, corresponding with it, injection connecting rod wall is provided with duct radially for by water inlet or the inlet channel separately established.
Further, described cooling water guide section two ends are respectively equipped with sealing flange, and described sealing flange is along the circumferential direction provided with closure gasket groove, and sealing annular groove is for being provided for the sealing ring of axial seal between cooling water guide section and injection connecting rod; Described water inlet is between the sealing flange at cooling water guide section two ends; Adopt the sealing means of sealing flange combination seal circle, form the seal cavity at middle part, effectively isolate Inlet and outlet water to form complete sealing circulation, improve cooling effect.
Further, described fastening plug is threaded connection and is installed in injection connecting rod and presses cooling water guide section; Be threaded and can suitably regulate as required compression intensity, there is good adaptability.
Further, described cushion pad is between the sealing flange end face and fastening plug of cooling water guide section tail end; Cushion pad can be selected suitable material as required, but must have good elasticity, such as silicagel pad or general rubber blanket.
The beneficial effects of the utility model: injection punch head assembly of the present utility model, adopt suitable mechanical system that cooling water guide section is anchored in injection connecting rod, can form good long period sealing, avoid the guide section generation axial float of injection connecting rod, thereby guarantee the long period static seal effect of sealing ring, avoid cooling water to leak vertically and avoid the guide section of injection connecting rod that the corrosion causing due to cooling water leakage occurs.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further described.
Fig. 1 is the structural representation exploded view of injection punch head assembly.
The specific embodiment
Fig. 1 is the structural representation exploded view of injection punch head assembly, as shown in the figure: the injection punch head assembly of the present embodiment, comprise injection punch head 1 and injection connecting rod 2, described injection connecting rod 2 is for hollow structure and be provided with the cooling duct 21 for cooling injection punch head, cooling duct 21 is by cooling water guide section 4 water inlets, and described cooling water guide section 4 is anchored in injection connecting rod 1; As shown in the figure, cooling water guide section 4 is positioned at cooling duct 21 tail ends fastening; Tail end refers to injection connecting rod 1 away from one end of injection punch head 1.
In the present embodiment, described cooling water guide section 4 is anchored in injection connecting rod 2 by being fixed on the fastening plug 6 of injection connecting rod 2, adopts the fastening structure of fastening plug 6, easy accessibility, and fastening force is adjustable, for the installation of cooling water guide section 4, there is good adaptive capacity; Can adopt interior hexagonal structure, make the tail end face of fastening plug submerge or flush in injection connecting rod tail end.
In the present embodiment, between described cooling water guide section 4 tail end faces and fastening plug 6, be provided with cushion pad 5; This cushion pad 5 has axial compressed distortion and bounce-back ability, for the distortion of parts, has good adaptability, avoids the stress that in the course of work, the change of temperature causes, thus guarantee all parts life cycle prolongation and do not lose efficacy.
In the present embodiment, the intake tunnel of described cooling duct 21 is water inlet pipe 3, and this water inlet pipe 3 is tightly connected with cooling water guide section 4, can adopt the common means that are tightly connected, and also can adopt integrally formed structure, all can realize utility model object.
In the present embodiment, described cooling water guide section 4 is provided with water inlet 43, and this water inlet 43 is positioned at cooling water guide section 4 radially, convenient installation and layout water stream channel, during actual use, corresponding with it, injection connecting rod 2 walls are provided with duct 23 radially for by water inlet or the inlet channel separately established; Injection connecting rod 2 walls are also provided with the delivery port 22 being communicated with cooling-water duct 21, do not repeat them here.
In the present embodiment, described cooling water guide section 4 two ends are respectively equipped with sealing flange 41,42, described sealing flange 41,42 along the circumferential direction respectively correspondence be provided with closure gasket groove 41a, 42a, sealing annular groove 41a, 42a are for being provided for the sealing ring of axial seal between cooling water guide section 4 and injection connecting rod 4; Described water inlet 43 is between the sealing flange 41,42 at cooling water guide section 4 two ends; Adopt the sealing means of sealing flange combination seal circle, form the seal cavity at middle part, effectively isolate Inlet and outlet water to form complete sealing circulation, improve cooling effect; As shown in the figure, injection connecting rod 2 hollow spaces are provided with the step for pushing against with forward end seal flange 41, for the common fastening cooling water guide section 4 of fastening plug 6.
In the present embodiment, described fastening plug 6 is threaded connection and is installed in injection connecting rod 2 and presses cooling water guide section 4; Be threaded and can suitably regulate as required compression intensity, there is good adaptability.
In the present embodiment, described cushion pad 5 is between sealing flange 42 end faces and fastening plug 6 of cooling water guide section 4 tail ends; Cushion pad can be selected suitable material as required, but must have good elasticity, such as silicagel pad or general rubber blanket.
Finally explanation is, above embodiment is only unrestricted in order to the technical solution of the utility model to be described, although the utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement the technical solution of the utility model, and not departing from aim and the scope of technical solutions of the utility model, it all should be encompassed in the middle of claim scope of the present utility model.
Claims (8)
1. an injection punch head assembly, comprise injection punch head and injection connecting rod, described injection connecting rod is hollow structure and is provided with the cooling duct for cooling injection punch head, it is characterized in that: cooling duct intakes by a cooling water guide section, described cooling water guide section is anchored in injection connecting rod.
2. injection punch head assembly according to claim 1, is characterized in that: described cooling water guide section is anchored in injection connecting rod by being fixed on the fastening plug of injection connecting rod.
3. injection punch head assembly according to claim 2, is characterized in that: between described cooling water guide section tail end face and fastening plug, be provided with cushion pad.
4. injection punch head assembly according to claim 3, is characterized in that: the intake tunnel of described cooling duct is water inlet pipe, and this water inlet pipe and cooling water guide section are tightly connected.
5. injection punch head assembly according to claim 4, is characterized in that: described cooling water guide section is provided with water inlet, and this water inlet is positioned at cooling water guide section radially.
6. injection punch head assembly according to claim 5, it is characterized in that: described cooling water guide section two ends are respectively equipped with sealing flange, described sealing flange is along the circumferential direction provided with closure gasket groove, and sealing annular groove is for being provided for the sealing ring of axial seal between cooling water guide section and injection connecting rod; Described water inlet is between the sealing flange at cooling water guide section two ends.
7. injection punch head assembly according to claim 6, is characterized in that: described fastening plug is threaded connection and is installed in injection connecting rod and presses cooling water guide section.
8. injection punch head assembly according to claim 7, is characterized in that: described cushion pad is between the sealing flange end face and fastening plug of cooling water guide section tail end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320711129.4U CN203578722U (en) | 2013-11-11 | 2013-11-11 | Injection plunger assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320711129.4U CN203578722U (en) | 2013-11-11 | 2013-11-11 | Injection plunger assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203578722U true CN203578722U (en) | 2014-05-07 |
Family
ID=50576697
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320711129.4U Expired - Fee Related CN203578722U (en) | 2013-11-11 | 2013-11-11 | Injection plunger assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203578722U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105397054A (en) * | 2015-12-08 | 2016-03-16 | 宝鸡法士特齿轮有限责任公司 | Hammer lubricating device and method for ultra-large die casting machine |
| CN107052296A (en) * | 2017-06-22 | 2017-08-18 | 蚌埠隆华压铸机有限公司 | The injection rod Quick cooling structure of die casting machine |
-
2013
- 2013-11-11 CN CN201320711129.4U patent/CN203578722U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105397054A (en) * | 2015-12-08 | 2016-03-16 | 宝鸡法士特齿轮有限责任公司 | Hammer lubricating device and method for ultra-large die casting machine |
| CN107052296A (en) * | 2017-06-22 | 2017-08-18 | 蚌埠隆华压铸机有限公司 | The injection rod Quick cooling structure of die casting machine |
| CN107052296B (en) * | 2017-06-22 | 2019-01-22 | 蚌埠隆华压铸机有限公司 | The injection rod Quick cooling structure of die casting machine |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140507 Termination date: 20161111 |