CN220373497U - Degumming sleeve brick turning equipment for cold isostatic pressing large-size green body - Google Patents
Degumming sleeve brick turning equipment for cold isostatic pressing large-size green body Download PDFInfo
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- CN220373497U CN220373497U CN202321340389.5U CN202321340389U CN220373497U CN 220373497 U CN220373497 U CN 220373497U CN 202321340389 U CN202321340389 U CN 202321340389U CN 220373497 U CN220373497 U CN 220373497U
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- 238000009694 cold isostatic pressing Methods 0.000 title claims abstract description 23
- 239000011449 brick Substances 0.000 title claims description 12
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 52
- 239000010959 steel Substances 0.000 claims abstract description 52
- 238000000465 moulding Methods 0.000 claims abstract 9
- 238000005056 compaction Methods 0.000 claims 1
- 238000005336 cracking Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 239000002699 waste material Substances 0.000 abstract description 3
- 239000002994 raw material Substances 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 5
- 230000007547 defect Effects 0.000 description 4
- 239000002344 surface layer Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model belongs to the technical field of cold isostatic pressing, and particularly relates to equipment for overturning cold isostatic pressing large-size blanks. The proposed equipment has a basic steel frame and a load-bearing positioning mechanism; the bearing positioning mechanism is an L-shaped device and is divided into a positioning plate and a bearing plate; the positioning plate is vertically arranged, the upper end of the positioning plate protrudes out of the basic steel frame, and the lower end of the positioning plate is higher than the bottom surface of the basic steel frame; a transfer plate is arranged on the bearing plate; the transfer plate is a slidable plate with a positioning bottom; one side of the foundation steel frame is connected with a supporting upright post for supporting the rotated bearing positioning mechanism; the support upright post is perpendicular to the ground; a sliding element is arranged between the product blank body and the positioning plate; the basic steel frame is also internally provided with a hydraulic power mechanism connected with the bearing positioning mechanism. The utility model improves the molding rate of the product blank, reduces the waste of raw materials caused by cracking and breaking of the lifted product blank, shortens the production period and reduces the production cost of the product.
Description
Technical Field
The utility model belongs to the technical field of cold isostatic pressing, and particularly relates to a degumming sleeve brick turning device for cold isostatic pressing of a large-size green body.
Background
At present, in the process of cold isostatic pressing forming a large-size compact ceramic product blank by taking liquid such as water or oil as a transmission medium, because the product blank has large volume and heavy weight, when removing rubber sleeves, the formed product blank is lifted and transferred by means of tools such as rope cranes or special clamps, and the like, and tensile stress concentration is formed in a contact area between the lifting tools and the surface of the blank, and when the concentrated tensile stress value is larger than the gravity of the blank, the product blank is lifted; however, when the self strength of the surface layer of the product blank is smaller than or can not meet the tensile stress generated by the self weight of the product blank, the contact area of the surface of the blank is strained to form cracking; meanwhile, the volume density in the product blank body gradually decreases from outside to inside, and the strength of the core part is minimum; as the size of the green brick of the product increases, the phenomenon and probability of cracking in the contact area increase, and the volume density gradient in the green brick increases; when the core strength is smaller than the tensile stress generated by the self weight of the core, the core of the blank starts to have defects; as the defects increase, internal cracks gradually form, and when the cracks propagate to the surface layer of the blank, the blank breaks. These all result in reduced product yields and increased production costs; the larger the size of the product blank body is, the larger the self weight is, the more defects and internal cracks are generated in the blank body in the lifting and transferring process of removing the rubber sleeve, the larger the probability of blank body fracture is, and the higher the waste and the cost are.
Disclosure of Invention
In order to solve the technical problems, the utility model aims to provide the degumming sleeve brick turning equipment for cold isostatic pressing of the large-size green body, which reduces or avoids internal defects, internal cracks and fracture phenomena of the large-size product green body caused by tools such as lifting or clamping tools in the degumming sleeve process after cold isostatic pressing.
The utility model adopts the following technical scheme for accomplishing the purposes:
the equipment for turning over the degummed cover of the large-size green body by cold isostatic pressing comprises a basic steel frame and a bearing and positioning mechanism; the bearing positioning mechanism is an L-shaped device and is divided into a positioning plate and a bearing plate; the positioning plate of the bearing positioning mechanism is vertically arranged, the upper end of the positioning plate protrudes out of the basic steel frame, and the lower end of the positioning plate is higher than the bottom surface of the basic steel frame; the bearing positioning mechanism is hinged with the foundation steel frame through a rotating mechanism arranged at the top of the foundation steel frame, and can be rotated relative to the foundation steel frame to be positioned at the top of the foundation steel frame or positioned at one side of the foundation steel frame; a transfer plate for placing the product blank is arranged on the bearing plate of the bearing and positioning mechanism; the transfer plate is a slidable plate with a positioning bottom; one side of the foundation steel frame is connected with a supporting upright post for supporting the rotated bearing and positioning mechanism; the supporting upright posts are arranged perpendicular to the ground; a sliding element is arranged between the product blank body and the positioning plate; the foundation steel frame is internally provided with a hydraulic power mechanism; the output end of the hydraulic power mechanism is connected with the bearing positioning mechanism.
The rotating mechanism is a rotatable shaft which does not deform during working, two ends of the rotatable shaft are matched with two bearing seats, and the rotatable shaft is fixed on the basic steel frame and is integrated with the basic steel frame;
the sliding element is a sliding steel plate embedded in the positioning plate.
The hydraulic power mechanism is a power mechanism with hinges at two ends of a hydraulic cylinder.
The surface of the bearing plate is provided with a sliding positioning groove matched with the transfer plate, the plate thickness is 12-25 mm, and the area is the same as that of the transfer plate.
The width and the height of the locating plate are both larger than the corresponding specification of the product blank, the space between the bottom end of the locating plate and the bearing plate is reserved to be about 100-400 mm, and the locating plate is fixedly connected with the bearing plate through steel columns at two sides.
The number of the supporting columns is one or two, and the supporting columns are arranged in the center of the cross section of the end part of the foundation steel frame or evenly distributed at the positions, close to the two ends, of the cross section of the end part of the foundation steel frame.
The sliding element is a slidable steel plate inlaid in the positioning plate, and the plate thickness is 15-25 mm. When rotating, the positioning plate and the positioning plate are integrated, and after the positioning plate is placed flat, the positioning plate and the product blank body can slide along the direction parallel to the positioning plate and away from the bearing plate by means of external force.
The hydraulic power mechanism is a power device with hinges at two ends of a hydraulic cylinder, drives the bearing positioning mechanism and rotates around the rotating mechanism to enable the bearing positioning mechanism and the product blank body to rotate together.
According to the equipment for overturning and cold isostatic pressing forming the large-size green body, disclosed by the utility model, after cold isostatic pressing forming, the risks of cracking, internal cracking and fracture of the core part of the green body are eliminated and reduced in the process of lifting the green body of the large-size product by withdrawing the rubber die sleeve, the forming rate of the green body of the product is improved, the production period is shortened, the raw material waste is reduced, the production cost of the product is reduced, and the equipment is suitable for popularization and use in industry.
Drawings
Fig. 1, fig. 2 and fig. 3 are schematic structural diagrams of a tile turning device for removing gum covers for cold isostatic pressing of large-size blanks and a working process thereof according to the utility model.
In the figure: 1. a base steel frame; 2. a bearing plate; 3. a transfer plate; 4. a steel mould bottom plate; 5. a rubber sleeve; 6. a positioning plate; 7. a sliding element; 8. a product blank; 9. a rotation mechanism; 10. a support column; 11. a hydraulic power mechanism; 12. and a brick supporting plate.
Description of the embodiments
The utility model is further elucidated below in conjunction with the drawings.
As shown in fig. 1, 2 and 3, the equipment for turning over the degluing sleeve of the cold isostatic pressing large-size green body and the working structure thereof comprise a basic steel frame 1, a transfer plate 3, a bearing and positioning mechanism, a rotating mechanism 9, a supporting upright post 10, a sliding element 7 and a hydraulic power mechanism 11; the foundation steel frame 1 is a firm and stable steel frame structure; the transfer plate 3 is a non-deforming steel plate with a fixed displacement wheel at the bottom; the bearing and positioning mechanism comprises a bearing plate 2 and a positioning plate 6; the rotating mechanism 9 is a rotatable shaft which does not deform during operation; the supporting upright post 10 is a steel upright post which is vertical to the ground and is welded and constructed on a foundation; the sliding element 7 is a slidable steel plate embedded in the positioning plate; the hydraulic power mechanism 11 is a power device with hinges at two ends of a hydraulic cylinder.
According to the equipment for overturning and cold isostatic pressing forming the large-size green body, after the steel mould shell is removed, the product green body 8, the rubber sleeve 5 and the steel mould bottom plate 4 stand on the transfer plate 3 stably, the rubber sleeve 5 is faded downwards to be about 100-400 mm away from the steel mould bottom plate 4 along the height direction of the product green body 8, the rubber sleeve 5, the steel mould bottom plate 4 and the transfer plate 3 are pushed onto the bearing plate 2, and the surface of the product green body 8 is tightly attached to the positioning plate 6; the hydraulic power mechanism 11 is slowly started after the power is turned on, so that the product blank 8, the rubber sleeve 5, the steel mould bottom plate 4, the transfer plate 3, the bearing plate 2 and the positioning plate 6 rotate for 90 degrees around the rotating mechanism 9 together, and the positioning plate 6 is tightly pressed on the supporting upright post 10; pushing the product blank 8 and the rubber sleeve 5 to move 300-500 mm along the direction away from the bearing plate 2 along with the sliding element 7, putting the brick supporting plate 12 at the bottom end of the product blank 8 after removing the rubber sleeve 5, and reversely pushing the product blank 8 to be in close contact with the brick supporting plate 12, the transfer plate 3 and the bearing plate 2; finally, the hydraulic power mechanism 11 is slowly started to enable the product blank 8, the brick supporting plate 12, the transfer plate 3, the bearing plate 2 and the positioning plate 6 to reversely rotate around the rotating mechanism 9 for 90 degrees, and finally the product blank 8 is pushed to be far away from the bearing plate 2 together with the brick supporting plate 12 and the transfer plate 3.
The above-described embodiments are only preferred examples of the present utility model, and any equivalent or similar substitution by those skilled in the art without departing from the working principles of the present utility model falls within the scope of the present utility model.
Claims (9)
1. The utility model provides a cold isostatic compaction large-size body's cover that comes unstuck turns over brick equipment which characterized in that: the equipment is provided with a basic steel frame and a bearing positioning mechanism; the bearing positioning mechanism is an L-shaped device and is divided into a positioning plate and a bearing plate; the positioning plate of the bearing positioning mechanism is vertically arranged, the upper end of the positioning plate protrudes out of the basic steel frame, and the lower end of the positioning plate is higher than the bottom surface of the basic steel frame; the bearing positioning mechanism is hinged with the foundation steel frame through a rotating mechanism arranged at the top of the foundation steel frame, and can be rotated relative to the foundation steel frame to be positioned at the top of the foundation steel frame or positioned at one side of the foundation steel frame; a transfer plate for placing the product blank is arranged on the bearing plate of the bearing and positioning mechanism; the transfer plate is a slidable plate with a positioning bottom; one side of the foundation steel frame is connected with a supporting upright post for supporting the rotated bearing and positioning mechanism; the supporting upright posts are arranged perpendicular to the ground; a sliding element is arranged between the product blank body and the positioning plate; the foundation steel frame is internally provided with a hydraulic power mechanism; the output end of the hydraulic power mechanism is connected with the bearing positioning mechanism.
2. The de-molding and turning-over device for cold isostatic pressing of large-size green bodies according to claim 1, wherein: the rotating mechanism is a rotatable shaft which does not deform during working, two ends of the rotatable shaft are matched with the two bearing seats, and the rotatable shaft is fixed on the basic steel frame and integrated with the basic steel frame.
3. The de-molding and turning-over device for cold isostatic pressing of large-size green bodies according to claim 1, wherein: the sliding element is a sliding steel plate embedded in the positioning plate.
4. The de-molding and turning-over device for cold isostatic pressing of large-size green bodies according to claim 1, wherein: the hydraulic power mechanism is a power mechanism with hinges at two ends of a hydraulic cylinder.
5. The de-molding and turning-over device for cold isostatic pressing of large-size green bodies according to claim 1, wherein: the surface of the bearing plate is provided with a sliding positioning groove matched with the transfer plate, the plate thickness is 12-25 mm, and the area is the same as that of the transfer plate.
6. The de-molding and turning-over device for cold isostatic pressing of large-size green bodies according to claim 1, wherein: the width and the height of the locating plate are both larger than the corresponding specification of the product blank, the space between the bottom end of the locating plate and the bearing plate is reserved to be about 100-400 mm, and the locating plate is fixedly connected with the bearing plate through steel columns at two sides.
7. The de-molding and turning-over device for cold isostatic pressing of large-size green bodies according to claim 1, wherein: the number of the supporting columns is one or two, and the supporting columns are arranged in the center of the cross section of the end part of the foundation steel frame or evenly distributed at the positions, close to the two ends, of the cross section of the end part of the foundation steel frame.
8. The de-molding and turning-over device for cold isostatic pressing of large-size green bodies according to claim 1, wherein: the sliding element is a slidable steel plate inlaid in the positioning plate, the thickness of the sliding element is 15-25 mm, the sliding element and the positioning plate are integrated during rotation, and the sliding element and the product blank body can slide along the direction parallel to the positioning plate and away from the bearing plate by means of external force after the positioning plate is placed flat.
9. The de-molding and turning-over device for cold isostatic pressing of large-size green bodies according to claim 1, wherein: the hydraulic power mechanism is a power device with hinges at two ends of a hydraulic cylinder, drives the bearing positioning mechanism and rotates around the rotating mechanism to enable the bearing positioning mechanism and the product blank body to rotate together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321340389.5U CN220373497U (en) | 2023-05-30 | 2023-05-30 | Degumming sleeve brick turning equipment for cold isostatic pressing large-size green body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321340389.5U CN220373497U (en) | 2023-05-30 | 2023-05-30 | Degumming sleeve brick turning equipment for cold isostatic pressing large-size green body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220373497U true CN220373497U (en) | 2024-01-23 |
Family
ID=89573116
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321340389.5U Active CN220373497U (en) | 2023-05-30 | 2023-05-30 | Degumming sleeve brick turning equipment for cold isostatic pressing large-size green body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220373497U (en) |
-
2023
- 2023-05-30 CN CN202321340389.5U patent/CN220373497U/en active Active
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