CN210789141U - Injection rod - Google Patents
Injection rod Download PDFInfo
- Publication number
- CN210789141U CN210789141U CN201921658377.0U CN201921658377U CN210789141U CN 210789141 U CN210789141 U CN 210789141U CN 201921658377 U CN201921658377 U CN 201921658377U CN 210789141 U CN210789141 U CN 210789141U
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- CN
- China
- Prior art keywords
- injection
- oil
- rod
- head
- pole body
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- 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 pole, including the injection pole body of rod, a slot hole has been seted up at injection pole body of rod middle part, the injection pole has an injection head through seal structure threaded connection, one side of injection head is connected with an oil pipe, oil pipe stretches into among the slot hole of the injection pole body of rod, a plurality of oil outlets have been seted up to the outer anchor ring of injection head, oil outlet and oil pipe are linked together, inlet opening and apopore have still been seted up on the injection pole body of rod, inlet opening and apopore all are linked together with the slot hole. This injection rod simple structure, cooling injection rod that can be quick, the lubricating oil that the oil outlet of injection head spills over simultaneously can lubricate the section of thick bamboo of injecting, the effectual life who has strengthened injection rod and injection head.
Description
Technical Field
The utility model belongs to the die-casting field, concretely relates to injection pole.
Background
The die casting machine is a common equipment in the technical field of forming in the mechanical industry, and is an industrial machine which is used for injecting molten metal into a die casting die from an injection cylinder under the action of pressure for cooling and forming and obtaining a solid metal casting after die opening. At present, the injection rod has the following defects when injecting molten metal: 1. the temperature of the injection rod and the injection head is too high during working, and if the temperature cannot be timely reduced, the service life of the injection rod and the injection head is greatly reduced; 2. the injection head has insufficient lubrication degree when reciprocating in the injection cylinder, is easy to wear for a long time, has short service life and needs to be replaced frequently.
SUMMERY OF THE UTILITY MODEL
In order to solve one or more above-mentioned defects among the prior art, the utility model provides an injection rod, this injection rod simple structure, cooling injection rod that can be quick, the lubricating oil that the oil outlet of injection head spills over simultaneously can lubricate injection cylinder, the effectual life who has strengthened injection rod and injection head.
For realizing the above-mentioned purpose, the utility model provides an injection pole, including the injection pole body of rod and injection head, the one end of injection head has a connecting cylinder, a slot hole has been seted up at injection pole body of rod middle part, the anterior segment of the injection pole body of rod is the undergauge section, the injection pole passes through seal structure and the connecting cylinder threaded connection of injection head, it still is connected with an oil pipe to inject overhead, among oil pipe stretches into the slot hole of the injection pole body of rod, an annular oil groove is seted up to the outer anchor ring of injection head, a plurality of oil outlet have been seted up on the oil groove, oil outlet and oil pipe are linked together, inlet opening and apopore have still been seted up on the injection pole body of rod, inlet opening and apopore all are linked together with the slot hole.
Furthermore, an oil storage cavity is further arranged in the injection head, and the oil outlet is communicated with the oil storage cavity.
Furthermore, the oil outlet holes are uniformly arranged in the annular oil groove of the injection head in an annular shape.
Furthermore, the inlet end of the oil pipe is connected through a threaded plug.
Furthermore, a baffle plate is fixed on each of two sides of the oil pipe, and the water inlet hole and the water outlet hole are located on each of two sides of the baffle plate.
Furthermore, the baffle plates are symmetrically arranged on two sides of the oil pipe relative to the central line of the oil pipe.
Furthermore, the sealing structure comprises an annular bulge arranged on the injection rod, a thread section is arranged on the annular bulge, a sealing ring is arranged on the end face of the right side of the annular bulge, and the end face of the bottom of the internal thread of the injection head abuts against the sealing ring.
The utility model has the advantages that:
firstly, the injection rod is simple in structure and can be rapidly cooled, and meanwhile, lubricating oil overflowing from an oil outlet of the injection head can lubricate the injection cylinder, so that the service lives of the injection rod and the injection head are effectively prolonged;
secondly, the injection head of the injection rod can be replaced when worn, the injection rod does not need to be replaced, and in addition, the injection head can be added again when the lubricating oil is exhausted;
third, by providing a seal structure, the coolant liquid does not leak out of the connection of the injection head and the injection rod.
Drawings
Fig. 1 is a cross-sectional view of the present invention;
fig. 2 is a perspective view of the injection rod of the present invention;
fig. 3 is an enlarged view of a portion a in fig. 1.
In the figure, the oil injection device comprises a pressure injection rod body 1, an injection rod body 2, a long hole 3, an injection head 4, an oil pipe 5, an annular oil groove 6, an oil outlet 7, a water inlet 8, a water outlet 9, an oil storage cavity 10, a thread plug 11, a baffle plate 12, an annular bulge 13 and a thread section; 14. sealing ring 15, internal thread 16, connecting cylinder 17, annular cavity 18 and reducing section
Detailed Description
The invention will be further explained with reference to the following figures and examples:
referring to fig. 1 to 3, the injection rod comprises an injection rod body 1 and an injection head 3, wherein one end of the injection head 3 is provided with a connecting cylinder, the middle of the injection rod body 1 is provided with a long hole 2, the front section of the injection rod body 1 is a reducing section 18, the injection rod is in threaded connection with the connecting cylinder of the injection head 3 through a sealing structure, the injection head 3 is further connected with an oil pipe 4, the oil pipe 4 extends into the long hole 2 of the injection rod body 1, the outer annular surface of the injection head 3 is provided with an annular oil groove 5, the oil groove is provided with a plurality of oil outlets 6, the oil outlets 6 are communicated with the oil pipe 4, the injection rod body 1 is further provided with a water inlet 7 and a water outlet 8, and the water inlet 7 and the water outlet 8 are both communicated with the long hole 2.
The utility model discloses the in-process when using is as follows, injects lubricating oil in oil pipe 4 of pressure plunger 3 earlier, then is connected to the pressure plunger 3 on the injection pole, when carrying out the pressure and penetrate, metal solution enters into and penetrates a section of thick bamboo, and the pneumatic cylinder drive injection pole moves forward, and when the injection pole moved forward, lubricating oil will spill over from oil outlet 6, lubricates the inner wall that penetrates a section of thick bamboo to the pressure, prevents that pressure plunger 3 from being pulled or wearing and tearing fast in reciprocating motion. Meanwhile, the water inlet hole 7 is filled with cooling water through the water inlet pipe, the cooling water is full of the long hole 2 to cool the injection rod, and finally the cooling water flows out of the water outlet pipe connected to the water outlet hole 8, so that the temperature of the injection rod is effectively reduced, the service life of the injection rod is prolonged, and in addition, the injection head 3 is in threaded connection with the injection rod and is used for a long time. If the shot sleeve 3 becomes worn, the shot sleeve 3 can be directly replaced without replacing the entire shot sleeve. The utility model discloses a lubricating oil in the injection head 3 if exhaust, also can directly pull out injection head 3, like again to pour into lubricating oil into oil pipe 4 can. In addition, the front section of the injection plunger rod body 1 is a reducing section 18, the reducing section 18 and the connecting cylinder 16 form an annular cavity 17, so that the connecting cylinder 16 can be cooled, and the service life of the connecting cylinder 16 is prolonged
Further, an oil storage cavity 9 is further formed in the injection head 3, and the oil outlet 6 is communicated with the oil storage cavity 9. In order to allow more lubricant to be stored in the injection head 3, an oil reservoir 9 is also provided in the injection head 3.
Further, the oil outlet holes 6 are uniformly arranged in the annular oil groove 5 of the injection head 3 in a ring shape. In order to allow the lubricating oil in the injection head 3 to overflow uniformly, oil outlet holes 6 are provided uniformly in the annular oil groove 5 of the injection head 3.
Further, the inlet end of the oil pipe 4 is connected through a threaded plug 10. Specifically, the inlet end of the oil pipe 4 is connected with a threaded plug 10 through threads. Through the arrangement of the threaded plug 10, the threaded plug can be quickly unscrewed, and lubricating oil can be quickly injected into the oil pipe 4. It should be noted that the plug 10 is wound with a sealing tape as it is being screwed.
Furthermore, a baffle plate 11 is fixed on each of two sides of the oil pipe 4, and the water inlet and the water outlet are respectively located on two sides of the baffle plate 11. Specifically, the baffle plates 11 are symmetrically arranged on two sides of the oil pipe 4 relative to the central line of the oil pipe 4. In order to enable a better cooling effect of the cooling liquid. The cooling liquid can flow through a path as long as possible, baffle plates 11 are respectively fixed on two sides of the oil pipe 4, and the cooling liquid can flow through one side of the baffle plates 11 and then flow to the other side of the baffle plates through the arrangement of the baffle plates 11.
Further, the sealing structure comprises an annular protrusion 12 arranged on the injection rod, a threaded section 13 is arranged on the annular protrusion 12, a sealing ring 14 is arranged on the right end face of the annular protrusion 12, and the bottom end face of an internal thread 15 of the injection head 3 abuts against the sealing ring 14. Specifically, the utility model adopts the above structure, will directly press at sealing washer 14 when injection head 3 screws up, can effectively prevent that the cooling water from spilling over from screw thread section 13.
The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the teachings of the present invention without undue experimentation. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.
Claims (7)
1. The utility model provides an injection pole, its characterized in that, includes the injection pole body of rod and presses the head, the one end of pressing the head has a connecting cylinder, a slot hole has been seted up at injection pole body of rod middle part, the anterior segment of pressing the pole body of rod is the undergauge section, the injection pole passes through seal structure and the connecting cylinder threaded connection who presses the head, it still is connected with an oil pipe to press overhead, among oil pipe stretches into the slot hole of pressing the pole body of rod, an annular oil groove is seted up to the outer anchor ring of pressing the head, a plurality of oil outlet have been seted up on the oil groove, oil outlet and oil pipe are linked together, inlet opening and apopore have still been seted up on the injection pole body of rod, inlet opening and apopore all are linked.
2. The shot sleeve of claim 1 wherein said shot head further defines a reservoir therein, said oil outlet opening communicating with said reservoir.
3. The shot sleeve of claim 2 wherein said oil outlet openings are uniformly annularly arrayed in the annular oil channel of the shot head.
4. The shot rod of claim 3 wherein said inlet end of said oil tube is connected by a threaded plug.
5. The shot sleeve of claim 4 wherein said oil tube is secured on each side by a baffle plate and said inlet opening and outlet opening are located on each side of said baffle plate.
6. The shot sleeve of claim 5 wherein said baffles are symmetrically disposed on opposite sides of the oil tube relative to the centerline of the oil tube.
7. The shot sleeve as defined in claim 6 wherein said seal structure comprises an annular projection on said shot sleeve, said annular projection having a threaded section thereon, the right side end face of said annular projection having a sealing ring against which the bottom end face of the internal thread of the connecting barrel of said shot head abuts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921658377.0U CN210789141U (en) | 2019-09-30 | 2019-09-30 | Injection rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921658377.0U CN210789141U (en) | 2019-09-30 | 2019-09-30 | Injection rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210789141U true CN210789141U (en) | 2020-06-19 |
Family
ID=71238440
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921658377.0U Expired - Fee Related CN210789141U (en) | 2019-09-30 | 2019-09-30 | Injection rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210789141U (en) |
-
2019
- 2019-09-30 CN CN201921658377.0U patent/CN210789141U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20200619 Termination date: 20210930 |