Black aluminum oxide dry pressing forming die
The black anodized alumina dry pressing mold, with its self-ejection structure and rapid heat dissipation design, solves the problems of high cost and slow heat dissipation of existing molds, achieving self-demolding and rapid heat dissipation, thus improving the molding effect.
Patent Information
- Application Number
- CN202423002926.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-06
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2034-12-06
AI Technical Summary
Existing black alumina dry pressing molds are costly to manufacture and use, and their slow heat dissipation results in poor performance.
A self-ejecting structure was designed, including a sliding plate, a spring, a connecting frame, and an ejector frame. It achieves self-demolding by hydraulic press drive and achieves rapid heat dissipation through gear, rotating frame, and fan blade structure.
It reduces the cost of mold making and use, achieves self-demolding and rapid heat dissipation, improves molding effect, and avoids the adverse effects of temperature rise on the performance and quality of the blank.
Smart Images
Figure CN223573417U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a black alumina dry pressing forming die belongs to dry pressing forming technical field. BACKGROUND
[0002] Black alumina usually refers to the material that is treated specially, such as high-temperature sintering doping method, makes alumina present black. It inherits the characteristics of high hardness, high melting point, chemical stability of alumina itself, is the high-quality raw material for making alumina ceramic. In the process of making alumina ceramic, high-precision dry pressing forming die is needed to dry pressing forming treatment to raw materials, and this process plays a crucial role in ensuring the density, shape accuracy and other performance indicators of ceramic.
[0003] Although the existing dry pressing forming die can be used for the daily dry pressing operation of black alumina, in actual use, an additional driving source is needed to perform the operation of ejecting the forming die, and it is difficult to realize the self-ejecting function, which not only increases the operation steps, but also leads to high production and use cost of the forming die, and further makes the production and use cost of the forming die higher.
[0004] In addition, during dry pressing forming, due to the mutual friction of powder particles and the influence of pressure, a certain amount of heat will be generated, and only relying on natural heat dissipation method, the speed is very slow, so that the mold temperature is easy to rise, thereby having adverse effects on the performance and quality of the blank, and further making the use effect of the dry pressing forming die not good enough. UTILITY MODEL CONTENT
[0005] (I) Technical problem solved
[0006] The utility model provides a kind of black alumina dry pressing forming die to solve the problems that the production and use cost of forming die in prior art are higher and the use effect of dry pressing forming die is not good enough.
[0007] (II) Technical scheme
[0008] The utility model is realized by the following technical scheme: a kind of black alumina dry pressing forming die, including base and top seat, the top seat lower end middle part is fixed with upper die, the base upper end middle part is fixed with lower die, the lower die upper side is equipped with filling slot;
[0009] The lower die lower side is equipped with sliding slot, and the sliding slot inner wall is provided with connecting structure, and the connecting structure is provided with ejector frame on it;Connecting structure can slide with the depth direction of filling slot with ejector frame, to carry out self-demoulding to the black alumina product of dry pressing forming.
[0010] Preferably, the connecting structure comprises a sliding plate, a spring is fixed to the lower end of the sliding plate, a connecting frame is fixed to the middle of the upper end of the sliding plate, and an ejection frame is fixed to the upper end of the connecting frame.
[0011] Preferably, the outer surface of the sliding plate is slidably connected to the inner wall of a sliding groove, the sliding groove is arranged in the middle of the lower mold, the cross section of the sliding groove is in the shape of Chinese character 'zhong', the upper end of the spring is fixed to the middle of the lower end of the sliding plate, and the lower end of the spring is fixed to the middle of the upper end of the base.
[0012] Preferably, the outer surface of the connecting frame is slidably connected to the inner wall of the sliding groove, the lower end of the connecting frame is fixed to the middle of the upper end of the sliding plate, the upper end of the connecting frame is fixed to the middle of the lower end of the ejection frame, and the outer surface of the ejection frame is slidably connected to the inner wall of the filling groove.
[0013] Preferably, the middle of the two sides of the sliding plate is fixed with a fixed frame, the far end of the two fixed frames is fixed with a rack, the two racks are engaged with a gear, the middle of the two gears is fixed with a rotating frame, the far end of the two rotating frames is fixed with a plurality of fan blades, and the middle of the two sides of the sliding groove is provided with a through groove.
[0014] Preferably, the middle of the two sides of the sliding plate is fixed with a fixed frame, the far end of the two fixed frames is fixed with a rack, the two racks are engaged with a gear, the middle of the two gears is fixed with a rotating frame, the far end of the two rotating frames is fixed with a plurality of fan blades, and the middle of the two sides of the sliding groove is provided with a through groove.
[0015] Preferably, the two racks are arranged oppositely, the middle of the two rotating frames is fixed to the near side of the two rotating frames, the outer surface of the two rotating frames is rotatably connected to the far side of the lower mold, and the transverse section of each rotating frame is in the shape of H.
[0016] The black aluminum oxide dry pressing forming die has the following beneficial effects:
[0017] (1) The black aluminum oxide dry pressing forming die is driven by a hydraulic machine to move the top base downward, so that the sliding groove, the sliding plate, the spring, the connecting frame and the ejection frame are cooperatively operated, the self-demolding effect is realized, the demolding operation is not required to be additionally provided with a power source, and thus the manufacturing and use cost of the die can be effectively reduced.
[0018] (2) The black aluminum oxide dry pressing forming die is driven by a hydraulic machine to move the top base downward, so that the sliding plate, the fixed frame, the rack, the gear, the rotating frame, the fan blade and the through groove are cooperatively operated, the rapid heat dissipation effect is realized, the adverse effects of the die on the performance and quality of the blank due to the temperature rise are effectively avoided, and the use effect of the dry pressing forming die is improved. BRIEF DESCRIPTION OF DRAWINGS
[0019] Figure 1 It is a perspective view of the utility model;
[0020] Figure 2 It is the lower die front view sectional view of the utility model;
[0021] Figure 3 It is the lower die side view sectional view of the utility model;
[0022] Figure 4 It is the local structure schematic view of the utility model.
[0023]
Main component symbol explanation
[0024] 1, base; 2, top seat; 3, upper die; 4, lower die; 5, filling groove; 6, sliding groove; 7, sliding plate; 8, spring; 9, connecting frame; 10, ejector frame; 11, fixed frame; 12, rack; 13, gear; 14, rotating frame; 15, fan blade; 16, through slot. DETAILED DESCRIPTION
[0025] In order to make the technical means, creative features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments.
[0026] Embodiment one
[0027] The utility model embodiment provides a kind of black aluminum oxide dry pressing forming die.
[0028] Please refer to Figure 1 、 Figure 2 、 Figure 3 And Figure 4 , including base 1 and top seat 2, base 1 and top seat 2 are fixed upper die 3 and lower die 4 respectively and are commonly made of dry pressing forming die, and dry pressing forming die is a kind of die type widely used in material forming processing field, it is to put black aluminum oxide powdery or granular material into die cavity, by pressure machine etc. Upper die 3 is applied pressure, so that upper die 3 moves downward and extrudes material, material is compacted in cavity by pressure, the distance between particles is reduced, and is closely arranged with each other, so as to form green body with certain shape and density, after pressure keeps a period of time, stripping device acts, and green body is stripped from cavity, and dry pressing forming process is completed, top seat 2 lower end middle part is fixed with upper die 3, and base 1 upper end middle part is fixed with lower die 4, and lower die 4 upper side is provided with filling groove 5;Lower die 4 lower side is provided with sliding groove 6, and connecting structure is arranged on the inner wall of sliding groove 6, and the connecting structure includes sliding plate 7, sliding plate 7 lower end is fixed with spring 8, sliding plate 7 upper end middle part is fixed with connecting frame 9, and connecting frame 9 upper end is fixed with ejector frame 10.
[0029] Please refer to Figure 1 、 Figure 2 、 Figure 3 And Figure 4, worth specifically explained, the outer surface of the sliding plate 7 is slidably connected to the inner wall of the chute 6, the chute 6 is through the middle of the lower die 4, the chute 6 is in the shape of a Chinese character, the upper end of the spring 8 is fixed to the middle of the lower end of the sliding plate 7, the lower end of the spring 8 is fixed to the middle of the upper end of the base 1, the outer surface of the connecting frame 9 is slidably connected to the inner wall of the chute 6, the lower end of the connecting frame 9 is fixed to the middle of the upper end of the sliding plate 7, the upper end of the connecting frame 9 is fixed to the middle of the lower end of the ejection frame 10, and the outer surface of the ejection frame 10 is slidably connected to the inner wall of the filling groove 5.
[0030] The utility model discloses in using: first, the top seat 2 is installed in the drive end of hydraulic machine, then the base 1 is placed on the punch press. After that, the top seat 2 is driven to move down by hydraulic machine, and the upper die 3 fixed with the top seat 2 will move down synchronously. During the moving down, the upper die 3 carries out dry pressing operation to the black alumina powder placed in the filling groove 5 of the lower die 4 fixed on the upper end of the base 1. In the dry pressing initial stage, the ejection frame 10 is extruded and moves down, and the moving ejection frame 10 drives the sliding plate 7 to extrude the fixed spring 8 by the connecting frame 9 fixed therewith, so as to make the spring 8 store elastic potential energy, until the sliding plate 7 slides to the bottom of the chute 6 and cannot continue to slide. With the advance of dry pressing operation, the black alumina powder is pressed into products. Then, the top seat 2 is driven to move up by hydraulic machine, and the extrusion force of the upper die 3 disappears at this time, so the elastic potential energy generated by the compressed spring 8 will drive the sliding plate 7 to move up, and the moving sliding plate 7 drives the ejection frame 10 to move up through the connecting frame 9, so as to push the dry-pressed products out of the filling groove 5, thereby realizing the self-demolding effect. In this way, the demolding operation can be carried out without additional power source, thereby effectively reducing the manufacturing and using cost of the mold.
[0031] Example two
[0032] Please refer to Figure 1 , Figure 2 , Figure 3 and Figure 4 , on the basis of example one, the function of rapid heat dissipation is increased;
[0033] Please refer to Figure 1 , Figure 2 , Figure 3 and Figure 4 , worth specifically explained, the both sides of the sliding plate 7 are fixed with the fixed frame 11, the both sides of the two fixed frames 11 are fixed with the rack 12, the two racks 12 are engaged with the gear 13, the middle of the two gears 13 is fixed with the rotating frame 14, the both sides of the two rotating frames 14 are fixed with a plurality of fan blades 15, and the both sides of the chute 6 are provided with the through groove 16.
[0034] Please refer to Figure 1 , Figure 2 , Figure 3 andFigure 4 Worth noting, two fixed frame 11 proximal end fixed in the sliding plate 7 both sides of the middle, two fixed frame 11 away from the end fixed in the two rack 12 lower end, two fixed frame 11 outer surface sliding connection in two through slot 16 inner wall, two rack 12 is opposite setting, two gear 13 middle fixed in two rotating frame 14 proximal side, two rotating frame 14 outer surface rotating connection in the lower die 4 away from the side, each rotating frame 14 cross section are I-shaped setting.
[0035] The utility model discloses in using: through the hydraulic machine drive top seat 2 move down, make with top seat 2 lower end fixed lower die 4 follow and exert extrusion force to sliding plate 7, push sliding plate 7 and move down. Sliding plate 7 moves down in its both sides fixed fixed frame 11 under the guidance and stabilization of two through slot 16 inner wall synchronous moves down. Two fixed frame 11 moves down will drive its away from the end fixed two rack 12 moves down together, and these two moving down rack 12 will drive the gear 13 of meshing connection to rotate. Two gear 13 rotate, wherein fixed rotating frame 14 is under the location structure restraint of lower die 4 and carries out rotating operation, further make several fan blade 15 fixed in rotating frame 14 away from the side also rotate with it. Rotating fan blade 15 can produce wind force, make local air accelerate flow, and the air of fast flow can rapidly take away the redundant heat generated in the dry pressing process. To realize the effect of rapid heat dissipation, effectively avoid the adverse effects of the temperature rise of the mould on the performance and quality of the blank, further reach the effect of improving dry pressing forming mould use effect.
[0036] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited to the above-mentioned embodiments, and the above-mentioned embodiments and descriptions in the specification are only to illustrate the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model can have various changes and improvements, and these changes and improvements all fall within the scope of the claimed utility model. The scope of protection of the utility model is defined by the appended claims and their equivalents.
Claims
1. A dry-pressing mold for black aluminum oxide, comprising a base (1) and a top (2), characterized in that: The upper end of the top base (2) is fixed with an upper die (3), the middle part of the upper end of the bottom base (1) is fixed with a lower die (4), and the upper side of the lower die (4) is provided with a filling groove (5). The lower side of the lower die (4) is provided with a sliding groove (6), the inner wall of the sliding groove (6) is provided with a connecting structure, and the connecting structure is provided with an ejection frame (10); the connecting structure can slide in the depth direction of the filling groove (5) with the ejection frame (10) to realize self-demolding of the dry-pressed black aluminum oxide product.
2. A black aluminum oxide dry press forming die according to claim 1, characterized in that: The connecting structure comprises a sliding plate (7), the lower end of the sliding plate (7) is fixed with a spring (8), the upper end of the sliding plate (7) is fixed with a connecting frame (9), and the upper end of the connecting frame (9) is fixed with an ejection frame (10).
3. A black aluminum oxide dry press forming die according to claim 2, characterized in that: The outer surface of the sliding plate (7) is slidingly connected to the inner wall of the sliding groove (6), the sliding groove (6) penetrates the middle part of the lower die (4), the cross section of the sliding groove (6) is in the shape of a Chinese character, the upper end of the spring (8) is fixed to the middle part of the lower end of the sliding plate (7), and the lower end of the spring (8) is fixed to the middle part of the upper end of the bottom base (1).
4. A black aluminum oxide dry press forming die according to claim 2, characterized in that: The outer surface of the connecting frame (9) is slidingly connected to the inner wall of the sliding groove (6), the lower end of the connecting frame (9) is fixed to the middle part of the upper end of the sliding plate (7), the upper end of the connecting frame (9) is fixed to the middle part of the lower end of the ejection frame (10), and the outer surface of the ejection frame (10) is slidingly connected to the inner wall of the filling groove (5).
5. A black aluminum oxide dry press forming die according to claim 2, characterized in that: The middle part of the sliding plate (7) is fixed with a fixed frame (11), the far end of the two fixed frames (11) is fixed with a rack (12), the two racks (12) are engaged with a gear (13), the middle part of the two gears (13) is fixed with a rotating frame (14), the far end of the two rotating frames (14) is fixed with a plurality of fan blades (15), and the middle part of the sliding groove (6) is provided with a through groove (16).
6. A black aluminum oxide dry press forming die according to claim 5, characterized in that: The middle part of the sliding plate (7) is fixed with a fixed frame (11), the far end of the two fixed frames (11) is fixed with a rack (12), the two racks (12) are engaged with a gear (13), the middle part of the two gears (13) is fixed with a rotating frame (14), the far end of the two rotating frames (14) is fixed with a plurality of fan blades (15), and the middle part of the sliding groove (6) is provided with a through groove (16).
7. A black aluminum oxide dry press forming die according to claim 5, wherein: The two racks (12) are oppositely arranged, the middle part of the two gears (13) is fixed to the proximal side of the two rotating frames (14), and the outer surface of the two rotating frames (14) is rotatably connected to the distal side of the lower die (4). The cross section of each rotating frame (14) is in the shape of an I-beam.