CN216635549U - Central cylinder structure suitable for shaping complex precise structural part - Google Patents
Central cylinder structure suitable for shaping complex precise structural part Download PDFInfo
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- CN216635549U CN216635549U CN202122951869.2U CN202122951869U CN216635549U CN 216635549 U CN216635549 U CN 216635549U CN 202122951869 U CN202122951869 U CN 202122951869U CN 216635549 U CN216635549 U CN 216635549U
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- core rod
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- cylinder body
- lower template
- adjusting stud
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Abstract
The utility model discloses a central cylinder structure suitable for shaping a complex precise structural part, and relates to the technical field of hydraulic equipment. The cylinder body of the central cylinder is fixed at the bottom of the fixed plate, and a piston and a core rod are arranged inside the cylinder body; a piston is fixedly sleeved on the core rod, an end cover is arranged at the top of the cylinder body, an adjusting stud is arranged at the bottom of the cylinder body, and the outer part of the adjusting stud is screwed with the cylinder body through threads; the piston is arranged between the cylinder cover and the adjusting stud; the bottom of the fixed plate is connected with a guide column, a lower template is arranged below the core rod, two sides of the lower template are sleeved on the guide column, and a lower jacking cylinder is arranged at the bottom of the lower template; the top of the lower template is provided with a limiting groove, the outer side of the lower part of the core rod is in threaded connection with a limiting cap, and the limiting groove is arranged under the limiting cap. The utility model has the advantages that: the arrangement of the adjusting screw column can adjust the moving height of the core rod, improve the shaping precision, and have simple structure and good stability; the product shaping efficiency is improved.
Description
Technical Field
The utility model relates to the technical field of hydraulic equipment, in particular to a central cylinder structure suitable for shaping a complex precise structural part.
Background
The hydraulic press is a machine which uses hydrostatic pressure and liquid as working medium to transfer energy to process products such as metal, plastic, rubber, wood and powder. The hydraulic press for powder products is a novel hydraulic special equipment, which is widely applied to the press forming of various metal powder, magnetic powder, ceramic powder, hard alloy products and the like.
In the prior art, when a powder product is pressed and formed, an upper punch at the top, a lower punch at the bottom and a female die are jointly used for completing the pressing and forming, a lower template is driven by a lower top cylinder to move up and down, a core rod is driven by the lower template to move, and then the core rod is driven by a central cylinder to independently lift, but the lifting height of the core rod is fixed and cannot be adjusted, and the shaping precision of a complex precise structural member is poor; in addition, the mandrel bar needs to be subjected to position limitation and stress by the side cylinder during shaping, the position limitation of the side cylinder needs to be released when the mandrel bar is subjected to shaping and demolding, and both the extending and retracting actions of the driving rod of the side cylinder require time, which affects the processing efficiency. It is desirable to provide a center cylinder structure that is adapted to the plastic of complicated precision structure spare to in the lift height to the plug adjusts, improves the plastic precision, and improves machining efficiency.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problems that a central cylinder structure suitable for shaping a complex precise structural member is provided, and the problems that in the prior art, the lifting height of a core rod is fixed and cannot be adjusted, the shaping precision of the complex precise structural member is poor, and the machining efficiency is low are solved.
In order to solve the technical problems, the technical scheme of the utility model is as follows: including the fixed plate, the bottom of fixed plate is equipped with central jar, its characterized in that: the central cylinder comprises a cylinder body, the cylinder body is fixed at the bottom of the fixing plate, a piston and a core rod are arranged inside the cylinder body, and the core rod penetrates through the fixing plate;
the piston is fixedly sleeved on the core rod, the top of the cylinder body is provided with an end cover, the core rod penetrates through the cylinder cover, the core rod and the cylinder cover are sealed through a sealing ring, the bottom of the cylinder body is provided with an adjusting stud, the adjusting stud is arranged inside the cylinder body, the outer part of the adjusting stud is screwed with the cylinder body through threads, and the core rod penetrates through the inner part of the adjusting stud;
the piston is arranged in the cylinder body and between the cylinder cover and the adjusting stud, and the adjusting stud rotates to adjust the moving heights of the piston and the core rod;
guide columns are connected to two sides of the bottom of the fixing plate, a lower template is arranged below the core rod, two sides of the lower template are respectively sleeved on the two guide columns, a lower jacking cylinder is arranged at the bottom of the lower template, and the lower jacking cylinder drives the lower template to move up and down along the guide columns;
the top of the lower template is provided with a limiting groove, the outer side of the lower part of the core rod is in threaded connection with a limiting cap, the limiting groove is arranged right below the limiting cap and corresponds to the limiting groove, and the inner diameter of the limiting groove is the same as the outer diameter of the limiting cap.
Further, the core rod is of a stepped structure, and the diameter of the upper portion of the core rod is larger than that of the lower portion of the core rod.
Further, the outer side of the adjusting stud is provided with a fixing ring, and the fixing ring is fixedly connected with the bottom of the cylinder body through a locking bolt.
Furthermore, the top of the lower jacking cylinder is connected with a driving plate, the driving plate is arranged at the bottom of the lower template, and the driving plate and the lower template are fixed through bolts.
Furthermore, the bottom of the core rod is connected with a limiting block, the bottom of the limiting groove of the lower template is communicated with a bottom groove, and the bottom groove is arranged corresponding to the limiting block.
After adopting the structure, the utility model has the advantages that: the core rod is fixedly connected with the piston, the piston moves between the cylinder cover and the adjusting stud, the adjusting stud rotates to change the space height between the adjusting stud and the cylinder cover, the moving height of the piston is adjusted, the lifting height of the core rod driven by the piston is adjusted, the shaping precision of a complex precision structural part is improved, the adjusting stud is locked and fixed with the cylinder body through a locking bolt after being adjusted, and the stability is good;
after the height of the core rod is determined during product shaping, the lower top cylinder drives the lower template to move upwards, the limiting cap connected to the lower side of the core rod is moved to be located in the limiting groove in the lower template, the limiting groove supports the limiting cap and limits the position, the limiting block at the bottom of the core rod is located in the bottom groove in the lower template, the bottom groove supports the limiting block and limits the position, the fixing of the core rod is not realized through the side cylinder, during demolding, the lower top cylinder drives the lower template to move upwards to realize demolding, the separation time of the side cylinder is not required to wait again, the processing efficiency is improved, the side cylinder is not required to be installed, and the structure is simple.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings and the detailed description. The following examples are presented to enable one of ordinary skill in the art to more fully understand the present invention and are not intended to limit the scope of the embodiments described herein.
As shown in fig. 1, the following technical solutions are adopted in the present embodiment: including fixed plate 1, the bottom of fixed plate 1 is equipped with central jar, central jar includes cylinder body 2, cylinder body 2 is fixed in fixed plate 1 bottom, the inside of cylinder body 2 is equipped with piston 3 and plug 4, plug 4 passes fixed plate 1 and sets up, the cover is established and is fixed with piston 3 on plug 4, piston 3 reciprocates and drives plug 4 and reciprocate, plug 4 is the echelonment structure, and the diameter of the upper portion of plug 4 is greater than the diameter of lower part, the top of the less lower part of diameter of plug 4 is located to the piston 3 cover.
The top of the cylinder body 2 is provided with an end cover, the core rod 4 passes through the cylinder cover, the core rod 4 and the cylinder cover are sealed through a sealing ring, the bottom of the cylinder body 2 is provided with an adjusting stud 5, the adjusting stud 5 is arranged inside the cylinder body 2, the outside of the adjusting stud 5 is screwed with the cylinder body 2 through threads, the core rod 4 passes through the inside of the adjusting bolt 5, the piston 3 is arranged inside the cylinder body 2 and is arranged between the cylinder cover and the adjusting stud 5, the piston 3 moves between the cylinder cover and the adjusting stud 5, the adjusting stud 5 rotates to change the space height between the adjusting stud 5 and the cylinder cover, the moving height of the piston 3 is adjusted, the height of the piston 3 driving the core rod 4 to lift is adjusted, the precision of a complex and precise shaping structural part is improved, the outer side of the adjusting stud 5 is provided with a fixing ring 51, the fixing ring 51 is fixedly connected with the bottom of the cylinder body 2 through a locking bolt 52, the adjusting stud 5 is locked and fixed with the cylinder body 2 through the locking bolt 52 after adjustment, the stability is good.
The bottom both sides of fixed plate 1 are connected with guide post 6, and 4 below of plug are equipped with lower bolster 7, and on two guide post 6 were located to the both sides cover respectively of lower bolster 7, the bottom of lower bolster 7 was equipped with down and pushes up jar 8, and the top of pushing up jar 8 down is connected with drive plate 9, and the bottom of lower bolster 7 is located to drive plate 9, and drive plate 9 passes through the bolt fastening with lower bolster 7, and lower jar 8 drive lower bolster 7 reciprocates along guide post 6.
The top of the lower template 7 is provided with a limiting groove 10, the outer side below the core rod 4 is in threaded connection with a limiting cap 11, the limiting groove 10 is arranged under the limiting cap 11, the inner diameter of the limiting groove 10 is the same as the outer diameter of the limiting cap 11, the bottom of the core rod 4 is connected with a limiting block 12, the bottom of the limiting groove 10 of the lower template 7 is communicated with a bottom groove 13, the bottom groove 13 is arranged corresponding to the limiting block 12, after the height of the core rod 4 is determined during product shaping, the lower top cylinder 8 drives the lower template 7 to move upwards, the limiting cap 11 connected below the core rod 4 is moved into the limiting groove 10 on the lower template 7, the limiting groove 10 supports and limits the position of the limiting cap 11, the limiting block 12 at the bottom of the core rod 4 is positioned in the bottom groove 13 on the lower template 7, the bottom groove 13 supports and limits the position of the limiting block 12, the fixing of the core rod 4 is not required to be realized by a side cylinder, during demoulding, the lower top cylinder 8 drives the lower template 7 to move upwards to realize demoulding, the separation time of the side cylinder does not need to be waited, the processing efficiency is improved, the side cylinder does not need to be installed, and the structure is simple.
The working principle is as follows: the piston 3 moves between the cylinder cover and the adjusting stud 5, the adjusting stud 5 rotates to change the space height between the adjusting stud 5 and the cylinder cover, the moving height of the piston 3 is adjusted, the core rod 4 is fixedly connected with the piston 3, the height of the piston 3 driving the core rod 4 to lift is adjusted, the shaping precision of a complex precision structural part is improved, the adjusting stud 5 is locked and fixed with the cylinder body 2 through the locking bolt 52 after being adjusted, and the stability is good.
The position of the adjusting stud 5 is adjusted according to actual requirements before product shaping, then the piston 3 of the central cylinder moves to drive the core rod 4 to adjust the height, the lower ejection cylinder 8 drives the lower template 7 to move upwards, the limiting cap 11 connected below the core rod 4 moves to be located in the limiting groove 10 on the lower template 7, the core rod 4 bears pressure during shaping, the limiting cap 11 is supported and limited in position through the limiting groove 10, the limiting block 12 at the bottom of the core rod 4 is located in the bottom groove 13 on the lower template 7, the limiting block 12 is supported and limited in position by the bottom groove 13, the fixing of the core rod 4 is not required to be achieved through the side cylinder, during demolding, the lower ejection cylinder 8 drives the lower template 7 to move upwards to achieve demolding, the time for separating the side cylinder is not required, the processing efficiency is improved, the side cylinder is not required to be installed, and the structure is simple.
The foregoing shows and describes the general principles and features of the present invention, together with the advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (5)
1. The utility model provides a center jar structure that is adapted to shaping of complicated precision structure spare, includes the fixed plate, the bottom of fixed plate is equipped with center jar, its characterized in that: the central cylinder comprises a cylinder body, the cylinder body is fixed at the bottom of the fixing plate, a piston and a core rod are arranged inside the cylinder body, and the core rod penetrates through the fixing plate;
the piston is fixedly sleeved on the core rod, the top of the cylinder body is provided with an end cover, the core rod penetrates through the cylinder cover, the core rod and the cylinder cover are sealed through a sealing ring, the bottom of the cylinder body is provided with an adjusting stud, the adjusting stud is arranged inside the cylinder body, the outer part of the adjusting stud is screwed with the cylinder body through threads, and the core rod penetrates through the inner part of the adjusting stud;
the piston is arranged in the cylinder body and between the cylinder cover and the adjusting stud, and the adjusting stud rotates to adjust the moving heights of the piston and the core rod;
guide columns are connected to two sides of the bottom of the fixing plate, a lower template is arranged below the core rod, two sides of the lower template are respectively sleeved on the two guide columns, a lower jacking cylinder is arranged at the bottom of the lower template, and the lower jacking cylinder drives the lower template to move up and down along the guide columns;
the top of the lower template is provided with a limiting groove, the outer side of the lower part of the core rod is in threaded connection with a limiting cap, the limiting groove is arranged under the limiting cap correspondingly, and the inner diameter of the limiting groove is the same as the outer diameter of the limiting cap.
2. The central cylinder structure suitable for the reshaping of a complex precise structural member as claimed in claim 1, wherein: the core rod is of a stepped structure, and the diameter of the upper portion of the core rod is larger than that of the lower portion of the core rod.
3. The central cylinder structure suitable for the reshaping of a complex precise structural member as claimed in claim 1, wherein: the outer side of the adjusting stud is provided with a fixing ring, and the fixing ring is fixedly connected with the bottom of the cylinder body through a locking bolt.
4. The center cylinder structure suitable for reshaping of a complex precision structural member as recited in claim 1, wherein: the top of the lower jacking cylinder is connected with a driving plate, the driving plate is arranged at the bottom of the lower template, and the driving plate and the lower template are fixed through bolts.
5. The central cylinder structure suitable for the reshaping of a complex precise structural member as claimed in claim 1, wherein: the bottom of the core rod is connected with a limiting block, the bottom of the limiting groove of the lower template is communicated with a bottom groove, and the bottom groove is arranged corresponding to the limiting block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122951869.2U CN216635549U (en) | 2021-11-29 | 2021-11-29 | Central cylinder structure suitable for shaping complex precise structural part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122951869.2U CN216635549U (en) | 2021-11-29 | 2021-11-29 | Central cylinder structure suitable for shaping complex precise structural part |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216635549U true CN216635549U (en) | 2022-05-31 |
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ID=81736855
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122951869.2U Active CN216635549U (en) | 2021-11-29 | 2021-11-29 | Central cylinder structure suitable for shaping complex precise structural part |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216635549U (en) |
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2021
- 2021-11-29 CN CN202122951869.2U patent/CN216635549U/en active Active
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