CN214920197U - Lower ejection device suitable for aluminum alloy hub forging hydraulic press - Google Patents
Lower ejection device suitable for aluminum alloy hub forging hydraulic press Download PDFInfo
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- CN214920197U CN214920197U CN202120941251.5U CN202120941251U CN214920197U CN 214920197 U CN214920197 U CN 214920197U CN 202120941251 U CN202120941251 U CN 202120941251U CN 214920197 U CN214920197 U CN 214920197U
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Abstract
The invention belongs to the technical field of magnesium alloy forging hubs, and particularly relates to a downward ejection device suitable for a hydraulic press for forging an aluminum alloy hub. The invention provides a lower ejection device which not only keeps the running stability of the device, but also meets the requirement of equipment use and is suitable for an aluminum alloy hub forging hydraulic press.
Description
Technical Field
The invention belongs to the technical field of magnesium alloy forging hubs, and particularly relates to a lower ejection device suitable for a hydraulic press for forging aluminum alloy hubs.
Background
The prior art and the defects are as follows:
under the current social situation, along with the implementation of energy-saving and environment-friendly policies, the requirements for light weight of automobiles are more and more extensive, and the requirements of people on the service performance of the automobiles are also more and more high. Aluminum alloy forged hubs are increasingly being used in automotive construction. Compared with the traditional steel hub, the aluminum alloy hub has the characteristics of high tensile strength, low material density, small deformation and the like, the weight is about one half lighter than that of a common hub, the damping performance is high in the using process, the service life is long, and the purpose of effectively saving energy is fundamentally achieved.
In order to meet the requirements of the forging process of the workpiece, after the forging of the equipment is finished, the workpiece needs to be ejected out in order to be taken out, and therefore a set of downward ejection structure needs to be arranged to meet the requirements of the process. However, the wheel hub forging hydraulic press has large nominal tonnage and high lower cross beam height, but the lower ejection force is very small, and the ejection stroke is relatively short, so that the overall dimension of the oil cylinder is small.
The difficulty and significance for solving the technical problems are as follows:
therefore, based on the problems, the lower ejection device which is suitable for the aluminum alloy hub forging hydraulic press and can not only keep the running stability of the device, but also meet the requirements of equipment use has important practical significance.
Disclosure of Invention
The invention aims to solve the technical problems in the prior art and provide the lower ejection device which not only keeps the running stability of the device, but also meets the requirement of equipment for use and is suitable for the aluminum alloy hub forging hydraulic press.
The technical scheme adopted by the invention for solving the technical problems in the prior art is as follows:
the lower ejection device suitable for the aluminum alloy hub forging hydraulic press comprises a lower ejection cylinder arranged at the bottom of a lower cross beam, the upper end of the lower ejection cylinder is connected with a transition rod through a connecting sleeve, an ejector rod is arranged at the upper end of the transition rod, a guide sleeve is arranged on the lower cross beam, the ejector rod penetrates through the guide sleeve and a base plate arranged on the lower cross beam, and the diameter of the transition rod is larger than that of the ejector rod.
The invention solves the problems of high equipment height and small appearance of the lower jacking cylinder by arranging the transitional connection structure, the diameter of the jacking rod is gradually reduced, and the jacking rod is positioned by the guide sleeve in the operation process, so that the operation precision and the rigidity are ensured, and the process requirements of the aluminum alloy hub forging hydraulic press are met.
The invention can also adopt the following technical scheme:
in the lower ejection device suitable for the hydraulic forging press for the aluminum alloy hub, furthermore, the tail end of the ejector rod is fixedly connected with the ejector rod through a fastening bolt C.
The ejector pin contacts with the mould, damages easily, for the convenience of changing and reduce the cost and drop into, and the ejector pin passes through fastening bolt C as quick-wear part and links to each other with the ejector pin, prevents that the ejector pin from damaging, causes the input cost too high.
In the lower ejection device suitable for the hydraulic forging press for the aluminum alloy hub, further, a groove is formed in the center of the ejector rod, and the fastening bolt C is accommodated in the groove.
In the lower ejection device suitable for the aluminum alloy hub forging hydraulic press, furthermore, the connecting sleeve fastens the upper end of the lower ejection cylinder and the transition rod together, and the connecting sleeve is divided into two parts which are connected into a whole through bolts.
The arrangement is convenient for disassembly and assembly and maintenance.
In the lower ejection device suitable for the hydraulic forging press for the aluminum alloy hub, further, a fixing groove is formed in the end face of the top of the transition rod, a fixing protrusion is arranged on the end face of the bottom of the ejector rod, the fixing groove and the fixing protrusion are installed in a matched mode, and the ejector rod and the transition rod are fastened through a fastening bolt B.
In the lower ejection device suitable for the hydraulic forging press for the aluminum alloy hub, the lower ejection cylinder is fastened on the lower cross beam through a fastening bolt A, and a sensor is mounted at the bottom of the lower ejection cylinder.
The sensor can be used for detecting the telescopic state of the oil cylinder in real time, so that the ejection stroke of the ejector rod is detected, and the damage to workpieces and equipment caused by over-stroke is avoided.
In conclusion, the invention has the following advantages and positive effects:
1. the invention solves the problems of high equipment height and small appearance of the lower jacking cylinder by arranging the transitional connection structure, the diameter of the jacking rod is gradually reduced, and the jacking rod is positioned by the guide sleeve in the operation process, so that the operation precision and the rigidity are ensured, and the process requirements of the aluminum alloy hub forging hydraulic press are met. The transition connection structure directly reduces the length of the oil cylinder, thereby reducing the cost of the oil cylinder. Because the cost and the manufacturing period of the ejection oil cylinder are longer, the ejection rod can be directly replaced even if the ejection rod is damaged under the condition of long-term use, so that the oil cylinder component is not replaced, and the subsequent maintenance cost is saved. Because the equipment height is higher, ejector pin length is longer, increases the guide pin bushing and can effectively avoid the unstable phenomenon of ejector pin, strengthens the direction precision.
Drawings
The technical solutions of the present invention will be described in further detail below with reference to the accompanying drawings and examples, but it should be understood that these drawings are designed for illustrative purposes only and thus do not limit the scope of the present invention. Furthermore, unless otherwise indicated, the drawings are intended to be illustrative of the structural configurations described herein and are not necessarily drawn to scale.
Fig. 1 is a schematic structural diagram of a first embodiment of the present invention.
In the figure:
1. a lower cross beam; 2. a base plate; 3. a lower jacking cylinder; 4. fastening the bolt A; 5. a sensor; 6. connecting sleeves; 7. a transition rod; 8. fastening a bolt B; 9. a top rod; 10. a guide sleeve; 11. fastening a bolt C; 12. and a material ejecting rod.
Detailed Description
The present invention will be specifically described with reference to fig. 1.
In order to further understand the contents, features and effects of the present invention, the following embodiments are illustrated and described in detail with reference to the accompanying drawings:
the first embodiment is as follows:
the lower ejection device suitable for the aluminum alloy hub forging hydraulic press comprises a lower ejection cylinder arranged at the bottom of a lower cross beam, the upper end of the lower ejection cylinder is connected with a transition rod through a connecting sleeve, an ejector rod is arranged at the upper end of the transition rod, a guide sleeve is arranged on the lower cross beam, the ejector rod penetrates through the guide sleeve and a base plate arranged on the lower cross beam, and the diameter of the transition rod is larger than that of the ejector rod.
The invention solves the problems of high equipment height and small appearance of the lower jacking cylinder by arranging the transitional connection structure, the diameter of the jacking rod is gradually reduced, and the jacking rod is positioned by the guide sleeve in the operation process, so that the operation precision and the rigidity are ensured, and the process requirements of the aluminum alloy hub forging hydraulic press are met.
The tail end of the ejector rod is fixedly connected with the ejector rod through a fastening bolt C.
The ejector pin contacts with the mould, damages easily, for the convenience of changing and reduce the cost and drop into, and the ejector pin passes through fastening bolt C as quick-wear part and links to each other with the ejector pin, prevents that the ejector pin from damaging, causes the input cost too high.
The ejector beam is provided with a groove in the center, and the fastening bolt C is accommodated in the groove.
The connecting sleeve fastens the upper end of the lower jacking cylinder and the transition rod together, and the connecting sleeve is divided into two parts which are connected into a whole through bolts.
The arrangement is convenient for disassembly and assembly and maintenance.
The end face of the top of the transition rod is provided with a fixing groove, the end face of the bottom of the ejector rod is provided with a fixing bulge, the fixing groove is installed in a matched mode with the fixing bulge, and the ejector rod and the transition rod are fastened through a fastening bolt B.
The lower jacking cylinder is fastened on the lower cross beam through a fastening bolt A, and a sensor is installed at the bottom of the lower jacking cylinder.
The sensor can be used for detecting the telescopic state of the oil cylinder in real time, so that the ejection stroke of the ejector rod is detected, and the damage to workpieces and equipment caused by over-stroke is avoided.
The working process is as follows: the backing plate 2 is arranged on the lower beam 1, the lower top cylinder 3 is arranged at the bottom of the lower beam 1 and penetrates into the lower beam 1, and the lower top cylinder 3 is fastened on the lower beam 1 by a fastening bolt A4. The transition rod 7 is connected with the upper end of the lower jacking cylinder 3 through a connecting sleeve 6, and the jacking rod 9 is installed at the upper end of the transition rod 7 and is fastened through a fastening bolt B8 to penetrate into the backing plate 2. The lower beam 1 is provided with a guide sleeve 10, and the ejector rod 9 passes through the guide sleeve 10 to move up and down. The ejector rod 12 is in contact with the die and is easy to damage, and in order to facilitate replacement and reduce cost input, the ejector rod 12 is used as a quick-wear part and connected with the ejector rod 9 through a fastening bolt C11, so that the ejector rod 9 is prevented from being damaged, and the input cost is too high.
In conclusion, the invention provides the lower ejection device which not only keeps the running stability of the device, but also meets the requirement of equipment for use and is suitable for the aluminum alloy hub forging hydraulic press.
The present invention has been described in detail with reference to the above examples, but the description is only for the preferred examples of the present invention and should not be construed as limiting the scope of the present invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.
Claims (6)
1. Lower ejecting device suitable for aluminum alloy wheel hub forging hydraulic press, its characterized in that: the lower ejection device suitable for the aluminum alloy hub forging hydraulic press comprises a lower ejection cylinder arranged at the bottom of a lower cross beam, the upper end of the lower ejection cylinder is connected with a transition rod through a connecting sleeve, an ejector rod is arranged at the upper end of the transition rod, a guide sleeve is arranged on the lower cross beam, the ejector rod penetrates through the guide sleeve and a base plate arranged on the lower cross beam, and the diameter of the transition rod is larger than that of the ejector rod.
2. The lower ejection device suitable for the hydraulic press for forging aluminum alloy hubs as claimed in claim 1, wherein: the tail end of the ejector rod is fixedly connected with the ejector rod through a fastening bolt C.
3. The lower ejection device suitable for the hydraulic press for forging aluminum alloy hubs as claimed in claim 2, wherein: the ejector beam is provided with a groove in the center, and the fastening bolt C is accommodated in the groove.
4. The lower ejection device suitable for the hydraulic press for forging aluminum alloy hubs as claimed in claim 1, wherein: the connecting sleeve fastens the upper end of the lower jacking cylinder and the transition rod together, and the connecting sleeve is divided into two parts which are connected into a whole through bolts.
5. The lower ejection device suitable for the hydraulic press for forging aluminum alloy hubs as claimed in claim 1, wherein: the end face of the top of the transition rod is provided with a fixing groove, the end face of the bottom of the ejector rod is provided with a fixing bulge, the fixing groove is installed in a matched mode with the fixing bulge, and the ejector rod and the transition rod are fastened through a fastening bolt B.
6. The lower ejection device suitable for the hydraulic press for forging aluminum alloy hubs as claimed in claim 1, wherein: the lower jacking cylinder is fastened on the lower cross beam through a fastening bolt A, and a sensor is installed at the bottom of the lower jacking cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120941251.5U CN214920197U (en) | 2021-04-30 | 2021-04-30 | Lower ejection device suitable for aluminum alloy hub forging hydraulic press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120941251.5U CN214920197U (en) | 2021-04-30 | 2021-04-30 | Lower ejection device suitable for aluminum alloy hub forging hydraulic press |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214920197U true CN214920197U (en) | 2021-11-30 |
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ID=79062075
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120941251.5U Active CN214920197U (en) | 2021-04-30 | 2021-04-30 | Lower ejection device suitable for aluminum alloy hub forging hydraulic press |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214920197U (en) |
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2021
- 2021-04-30 CN CN202120941251.5U patent/CN214920197U/en active Active
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