CN113895077A - Isostatic pressing machine host computer normal position end cover opening and closing structure - Google Patents
Isostatic pressing machine host computer normal position end cover opening and closing structure Download PDFInfo
- Publication number
- CN113895077A CN113895077A CN202111176236.7A CN202111176236A CN113895077A CN 113895077 A CN113895077 A CN 113895077A CN 202111176236 A CN202111176236 A CN 202111176236A CN 113895077 A CN113895077 A CN 113895077A
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- end cover
- bearing block
- sliding
- connecting plate
- frame
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- 238000000462 isostatic pressing Methods 0.000 title claims abstract description 17
- 238000011065 in-situ storage Methods 0.000 claims abstract description 11
- 238000006073 displacement reaction Methods 0.000 claims abstract description 6
- 230000033001 locomotion Effects 0.000 description 6
- 230000009471 action Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
Abstract
The invention discloses an isostatic pressing machine host machine in-situ end cover opening and closing structure, which comprises a frame and a working cylinder arranged in the frame, and further comprises: the end cover is movably and hermetically connected to the opening end of the working cylinder and used for opening or closing the working cylinder; the first power parts are arranged on two sides of the frame and used for driving the end cover to move up and down in the vertical direction; the limiting component is arranged above the end cover and comprises a first limiting component and a second limiting component which are used for limiting the displacement of the end cover in the vertical direction; the sliding component is arranged on the rack above the limiting component; and the two second power parts are respectively arranged on two sides of the frame, and the sliding part drives the first limiting part and the second limiting part to move in opposite directions until the limitation of the limiting part on the cover in the vertical direction is removed.
Description
Technical Field
The invention relates to the technical field of isostatic pressing machines, in particular to an opening and closing structure of an in-situ end cover of a host machine of an isostatic pressing machine.
Background
The isostatic pressing main machine consists of a working cylinder and a frame, wherein the working cylinder provides temperature and pressure required by pressing, and the frame is used for bearing axial force generated by the working cylinder due to the pressure. The pressed product can be conveniently opened and closed when the end cover of the working cylinder is required to be opened and closed. The traditional isostatic pressing machine leaves an end cover opening and closing space and a product inlet and outlet space on the upper part of a working cylinder by moving a frame or the working cylinder. However, this technique has the following disadvantages:
the frame and the working cylinder have large mass and need a high-power device for movement.
The movement of the frame or the working cylinder and the movement of the end cover need a plurality of sets of transmission mechanisms, the working positions are more, the integral structure is complex, and the size is huge, so that the miniaturization is not facilitated.
The frame and the working cylinder move relatively, so that the pipelines on the frame and the working cylinder are easily extruded due to movement to be damaged, and even the ultrahigh pressure pipeline is loosened to generate the risk of high-pressure fluid leakage.
Disclosure of Invention
The invention aims to provide an in-situ end cover opening and closing structure of a host machine of an isostatic pressing machine. So as to solve the technical problems existing in the background technology.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides an isostatic press host computer normal position end cover opening and closing structure, includes the frame and sets up the working cylinder in the frame, still includes: the end cover is movably and hermetically connected to the opening end of the working cylinder and used for opening or closing the working cylinder; the first power parts are arranged on the left side and the right side of the rack and used for driving the end covers to move up and down in the vertical direction; the limiting component is arranged above the end cover, comprises a first limiting component and a second limiting component and is used for limiting the displacement of the end cover in the vertical direction when the end cover is closed; the sliding component is arranged on the rack above the limiting component; and the two second power parts are respectively arranged at the left side and the right side of the front part of the frame, and the first limiting part and the second limiting part are driven to move in opposite directions through the sliding part until the limitation of the limiting part on the cover in the vertical direction is released.
In some embodiments, the sliding component includes at least two sliding rails, and two ends of the sliding rails are respectively fixed on the front side and the rear side of the rack; the distance between the two slide rails meets the requirement that the limiting part can pass through the two slide rails; the left side and the right side of each sliding rail are respectively provided with a sliding block, a first bearing block connecting plate is movably arranged on the sliding block at the left end of each sliding rail, and a second bearing block connecting plate is movably arranged on the sliding block at the right end of each sliding rail; the first bearing block connecting plate and the second bearing block connecting plate are respectively provided with a first preset gap from the upper surface of the rack. And the distance that is less than two bearing block connecting plates can freely move upwards is ensured, and the force is not loaded on the sliding block when the bearing blocks work in a limiting way. The running distance of the left and right sliding blocks is slightly larger than the radius of the end cover, so that the end cover can move upwards when the bearing blocks are separated.
In some embodiments, the first limiting part is a first bearing block, the second limiting part is a second bearing block, the first bearing block is connected to the first bearing block connecting plate, the second bearing block is connected to the second bearing block connecting plate, and the first bearing block and the second bearing block have a second preset gap from the upper surface of the end cover in a state that the pressure in the working cylinder is 0.
In some embodiments, the first power component includes an end cover lifting cylinder, a mounting plate and an end cover lifting connecting rod, two of the end cover lifting cylinders are respectively mounted on two sides of the frame, two ends of the mounting plate are respectively connected with telescopic rods of the two end cover lifting cylinders, one end of the end cover lifting connecting rod is connected to the mounting plate, the other end of the end cover lifting connecting rod slidably penetrates through the top of the frame to be connected with the end cover, and spaces through which the end cover lifting connecting rod passes are respectively reserved between the first bearing block connecting plate and the second bearing block connecting plate and between the first bearing block and the second bearing block.
In some embodiments, the first power component further comprises a bushing nested within a top portion of the frame, the end cap lift link slidably disposed through the bushing.
In some embodiments, the second power component is a pressure block opening and closing cylinder.
Drawings
Fig. 1 is a schematic view of an in-situ end cover opening and closing structure of a main machine of an isostatic pressing machine provided by the embodiment;
the labels in the figure are: the device comprises a frame 1, a working cylinder 2, an end cover 3, an end cover lifting connecting rod 4, a first limiting part 5, an end cover lifting air cylinder 6, a sliding block 7, a sliding rail 8, a first bearing block connecting plate 9, a bearing block opening and closing air cylinder 10, a mounting plate 11, a second bearing block connecting plate 12 and a second limiting part 13.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
On the contrary, this application is intended to cover any alternatives, modifications, equivalents, and alternatives that may be included within the spirit and scope of the application as defined by the appended claims. Furthermore, in the following detailed description of the present application, certain specific details are set forth in order to provide a better understanding of the present application. It will be apparent to one skilled in the art that the present application may be practiced without these specific details.
The in-situ end cover opening and closing structure of the isostatic pressing machine host according to the embodiment of the application will be described in detail with reference to fig. 1. It is to be noted that the following examples are only for explaining the present application and do not constitute a limitation to the present application.
In the embodiment of the application, as shown in fig. 1, the invention provides an opening and closing structure of an in-situ end cover 3 of a main machine of an isostatic pressing machine, which comprises a machine frame 1, a working cylinder 2 arranged in a frame of the machine frame 1, the end cover 3, a first power component, a limiting component, a sliding component and a second power component, wherein the machine frame 1 and the working cylinder 2 are relatively fixed and do not move. The end cover 3 is movably and hermetically connected to the opening end of the working cylinder 2 and is used for opening or closing the working cylinder 2; the first power parts are arranged on the left side and the right side of the rack 1 and used for driving the end covers 3 to move up and down in the vertical direction; first power part includes end cover lift cylinder 6, mounting panel 11 and end cover lift connecting rod 4, two end cover lift cylinder 6 installs respectively in the 1 left and right sides of frame, and the both ends of mounting panel 11 are connected with the movable rod of two end cover lift cylinders 6 respectively, and the one end that the end cover lifted connecting rod 4 is connected on mounting panel 11 middle part, and the other end that the end cover lifted connecting rod 4 slides and runs through the top of frame 1 and is connected with end cover 3, between first bearing block connecting plate 9 and the second bearing block connecting plate 12, reserve the space that the end cover lifted connecting rod 4 and passed through between first bearing block and the second bearing block respectively.
The limiting component is arranged above the end cover 3 and comprises a first limiting component 5 and a second limiting component 13 which are used for limiting the displacement of the end cover 3 in the vertical direction; the sliding parts are arranged on the front side and the rear side of the frame 1 above the limiting part; the two second power parts are respectively arranged at two sides of the front part of the frame 1, and the first limiting part 5 and the second limiting part 13 are driven to move in opposite directions through the sliding part until the limitation of the limiting parts on the cover in the vertical direction is released. The second power component is a pressure-bearing block opening and closing cylinder 10. The heights of the first limiting part 5 and the second limiting part 13 are required to meet the lifting height of the end cover 3 required by the work of the working cylinder 2, and the open span formed after the left and right parts are separated is also required to be larger than the diameter of the end cover 3.
In some embodiments, the sliding component includes at least two sliding rails 8, and two ends of the sliding rails 8 are respectively fixed on two sides of the rack 1; and the distance between the two slide rails 8 meets the requirement that the limiting part can pass through the two slide rails 8; the left side and the right side of each sliding rail 8 are respectively provided with a sliding block 7, the sliding block 7 at the left end of each sliding rail 8 is movably provided with a first bearing block connecting plate 9, and the sliding block 7 at the right end of each sliding rail 8 is movably provided with a second bearing block connecting plate 12; the first bearing block connecting plate 9 and the second bearing block connecting plate 12 are respectively provided with a first preset gap from the upper surface of the machine frame 1. Typically the first predetermined gap is 1-2 mm.
Here, the sliding block 7 is movably connected with the first bearing block connecting plate 9 and the second bearing block connecting plate 12 through equal-height bolts, so that the sliding block 7 can be driven to move on the sliding rail 8 by the first bearing block connecting plate 9 and the second bearing block connecting plate 12 in the horizontal direction, and the sliding block 7 cannot be driven to move upwards together when the first bearing block connecting plate 9 and the second bearing block connecting plate 12 move upwards in the vertical direction.
In some embodiments, the first limiting member 5 is a first bearing block, the second limiting member 13 is a second bearing block, the first bearing block is connected to the first bearing block connecting plate 9, the second bearing block is connected to the second bearing block connecting plate 12, and the first bearing block and the second bearing block have a second predetermined gap from the upper surface of the end cap 3 in a state that the pressure in the working cylinder 2 is 0. Typically the second predetermined gap is 1-2 mm.
In some embodiments, the first power component further comprises a bushing embedded in the top of the frame 1, the end cap lifting link 4 being slidably disposed through the bushing. The bush is provided to make the movement of the end cover lifting link 4 smoother.
When the end cover 3 of the working cylinder 2 needs to be opened, the bearing block opening and closing cylinders 10 on the two sides respectively drive the first bearing block connecting plate 9 and the second bearing block connecting plate 12 to move towards the left side and the right side respectively. The first limiting part 5 and the second limiting part 13 are separated along with the left side and the right side, when the opening distance is larger than the diameter of the working end cover 3, the magnetic switch on the pressure bearing block opening and closing cylinder 10 sends an opening position signal, the end cover lifting cylinder 6 drives the mounting plate 11 to move upwards, the end cover lifting connecting rod 4 drives the end cover 3 to move upwards to a set position, and the magnetic switch on the end cover lifting cylinder 6 sends a lifting position signal of the end cover 3.
When the end cover 3 of the working cylinder 2 needs to be closed, the magnetic switch sends out a closing in-place signal when the end cover lifting cylinder 6 firstly descends to a complete closing position. The bearing block opening and closing air cylinder 10 drives the first bearing block connecting plate 9 and the second bearing block connecting plate 12 to move towards the middle in the opposite direction, and sends out a closing-in-place signal.
When the working cylinder 2 is boosted, the end cover 3 moves upwards under the driving of pressure, firstly contacts the bottoms of the first limiting part 5 and the second limiting part 13, then the first limiting part 5 and the second limiting part 13 and the first bearing block connecting plate 9 and the second bearing block connecting plate 12 move upwards to contact the bearing surfaces of the first bearing block connecting plate 9 and the second bearing block connecting plate 12 and the machine frame 1, and the axial force of the end cover 3 is transmitted to the machine frame 1. Because the first bearing block connecting plate 9 and the second bearing block connecting plate 12 can make a separation motion with the sliding block 7 in the vertical direction, the sliding block 7 is not subjected to the axial force transmitted by the end cover 3. Meanwhile, the movable gap is small, so that the end cover lifting cylinder 6 can meet the requirement of small displacement of the end cover lifting connecting rod 4 in a closed state.
When the pressure of the working cylinder 2 is zero, the end cover 3 returns to the initial position under the action of the lifting cylinder, and the gaps between the first limiting part 5 and the end cover 3 and between the second limiting part 13 and the end cover 3 are recovered. Meanwhile, the first bearing block connecting plate 9 and the second bearing block connecting plate 12 move downwards under the action of self weight, and the gap between the first bearing block connecting plate and the bearing surface on the rack 1 is restored.
The opening and closing structure of the end cover 3 is successfully applied to a WIP200-2015 temperature isostatic pressing machine, and the reliability of the structure is proved through repeated tests.
The beneficial effects that the isostatic press host computer normal position end cover opening and closing structure that this application disclosed may bring include but not limited to:
1. the first limiting component, the second limiting component and the end cover do not bear heavy loads except dead weight when in operation, so that the required driving power is very low, and the operation can be completed only by simple gas circuits and cylinders.
2. The first bearing block connecting plate, the second bearing block connecting plate and the sliding block floating connecting structure prevent the sliding rail and the sliding block from bearing overlarge axial load, so that the driving power and the overall dimension can be further reduced by using the miniature linear sliding rail.
3. The high gas compressibility thus allows the end cap to move with small axial displacements.
4. The structure is simple, and closed-loop automatic control can be realized. The mechanism is compact, the overall dimension is small, and the miniaturization of isostatic pressing equipment is facilitated.
5. The frame and the working cylinder are fixed in position, and the pipeline and the cable are basically not operated and are not extruded.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (6)
1. The utility model provides an isostatic press host computer normal position end cover opening and closing structure, includes the frame and sets up the working cylinder in the frame, its characterized in that still includes:
the end cover is movably and hermetically connected to the opening end of the working cylinder and used for opening or closing the working cylinder;
the first power parts are arranged on the left side and the right side of the rack and used for driving the end covers to move up and down in the vertical direction;
the limiting part is arranged between the upper part of the end cover and the inner frame of the frame, and comprises a first limiting part and a second limiting part which are used for limiting the displacement of the end cover in the vertical direction;
the sliding parts are arranged above the limiting parts and are positioned on the front side and the rear side of the rack;
and the two second power parts are respectively arranged at the left side and the right side of the front part of the frame, and the first limiting part and the second limiting part are driven to move in opposite directions through the sliding part until the limitation of the limiting part on the cover in the vertical direction is released.
2. The isostatic pressing machine host in-situ end cover opening and closing structure according to claim 1, wherein the sliding member comprises at least two sliding rails, and the sliding rails are respectively fixed on the front side and the rear side of the upper part of the machine frame; the distance between the two sliding rails meets the requirement that the limiting part and the end cover can pass through the two sliding rails; the left side and the right side of each sliding rail are respectively provided with a sliding block, a first bearing block connecting plate is movably arranged on the sliding block at the left end of each sliding rail, and a second bearing block connecting plate is movably arranged on the sliding block at the right end of each sliding rail; the first bearing block connecting plate and the second bearing block connecting plate are respectively provided with a first preset gap from the upper surface of the rack.
3. The in-situ end cover opening and closing structure of the host machine of the isostatic pressing machine as claimed in claim 2, wherein the first limiting member is a first bearing block, the second limiting member is a second bearing block, the first bearing block is connected to a first bearing block connecting plate, the second bearing block is connected to a second bearing block connecting plate, and the first bearing block and the second bearing block have a second predetermined gap from the upper surface of the end cover under the condition that the pressure in the working cylinder is 0.
4. The in-situ end cover opening and closing structure of the host machine of the isostatic pressing machine according to claim 2, wherein the first power component comprises end cover lifting cylinders, a mounting plate and end cover lifting connecting rods, the two end cover lifting cylinders are respectively mounted on the left side and the right side of the machine frame, two ends of the mounting plate are respectively connected with telescopic rods of the two end cover lifting cylinders, one end of each end cover lifting connecting rod is connected to the mounting plate, the other end of each end cover lifting connecting rod penetrates through the top of the machine frame in a sliding manner to be connected with the end cover, and spaces through which the end cover lifting connecting rods pass are respectively reserved between the first bearing block connecting plate and the second bearing block connecting plate and between the first bearing block and the second bearing block.
5. The isostatic press host in-situ end cover opening and closing structure according to claim 4, wherein the first power member further comprises a bushing embedded in the top of the machine frame, and the end cover lifting link is slidably disposed through the bushing.
6. The isostatic pressing machine host in-situ end cover opening and closing structure according to claim 4, wherein the second power component is a pressure-bearing block opening and closing cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111176236.7A CN113895077B (en) | 2021-10-09 | 2021-10-09 | Main unit in-situ end cover opening and closing structure of isostatic pressing machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111176236.7A CN113895077B (en) | 2021-10-09 | 2021-10-09 | Main unit in-situ end cover opening and closing structure of isostatic pressing machine |
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| CN113895077A true CN113895077A (en) | 2022-01-07 |
| CN113895077B CN113895077B (en) | 2024-01-19 |
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| CN202111176236.7A Active CN113895077B (en) | 2021-10-09 | 2021-10-09 | Main unit in-situ end cover opening and closing structure of isostatic pressing machine |
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