Flatness correction device for heat dissipation plate
By designing the planarity correction device for the upper mold cover plate and the lower mold base plate, the detachable correction components and insert sets are used to solve the problems of low efficiency, high cost and appearance damage of the deformation correction of the aviation heat sink during processing, and efficient and low-cost planarity correction is achieved.
Patent Information
- Application Number
- CN202422309654.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-23
- Publication Date
- 2025-07-11
- Estimated Expiration
- 2034-09-23
AI Technical Summary
During the processing process, aviation heat dissipation plates have problems such as long clamping time, high cost, low efficiency, low pass rate and appearance damage, especially after the powder metallurgy process is formed, it is difficult to effectively correct deformation and bending.
A planarity correction device including an upper mold cover plate and a lower mold base plate is designed, equipped with a detachable correction assembly and an insert set, and precision correction is achieved through the hydraulic press mold clamping to meet the adjustment needs of different positions.
It improves the planarity correction efficiency and pass rate of the heat sink, reduces costs, expands the adjustment range, and avoids appearance damage.
Smart Images

Figure CN223083548U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of aviation, and particularly relates to a flatness correction device for a heat dissipation plate. Background Technique
[0002] When processing an aviation heat dissipation plate, high requirements are imposed on the product material, structure, and surface finish. The mainstream of this component mainly relies on machining, but the clamping time is too long and the processing time is relatively long during the machining process, resulting in high costs.
[0003] At present, most aviation heat dissipation plates are formed by powder metallurgy technology. Due to inevitable deformation and bending, such as uncontrollable and irregular deformation, during the firing process; some factories use manual hammering to correct such products, but there are still problems such as low efficiency, low qualified rate, and damage to the appearance surface. Content of the Utility Model
[0004] The purpose of the utility model is to provide a flatness correction device for a heat dissipation plate to solve the problems raised in the above background technique.
[0005] To achieve the above purpose, the utility model provides the following technical solution: A flatness correction device for a heat dissipation plate, comprising: an upper die cover plate and a lower die bottom plate. Above the upper die cover plate, there is an oil press for mold clamping. Between the upper die cover plate and the lower die bottom plate, there are two correction components for flatness correction of the heat dissipation plate. A correction area for pressing and correcting the heat dissipation plate is formed between the two correction components.
[0006] Preferably, the two correction components are respectively an upper die insert group and a lower die insert group. The upper die insert group and the lower die insert group are respectively detachably installed on the upper die cover plate and the lower die bottom plate. The correction area is formed between the upper die insert group and the lower die insert group.
[0007] Preferably, a detachable upper die insert fixing plate is provided at the bottom of the upper die cover plate. A second insert groove penetrates through the upper die insert fixing plate. The upper die insert group is arranged between the upper die insert fixing plate and the upper die cover plate, and one end of the upper die insert group penetrates through the second insert groove from top to bottom.
[0008] Preferably, a lower die insert fixing plate is detachably installed on the top of the lower die bottom plate. A first insert groove penetrates through the lower die insert fixing plate. The lower die insert group is arranged between the lower die insert fixing plate and the lower die bottom plate, and one end of the lower die insert group penetrates through the first insert groove from bottom to top. Guide columns for lifting and guiding are provided around the lower die insert fixing plate, and the tops of the four guide columns penetrate through the upper die insert fixing plate and the upper die cover plate.
[0009] Preferably, second mounting holes are provided around the bottom of the lower mold base plate and between the lower mold insert fixing plate, and each of the second mounting holes is provided with a second connecting bolt for connecting the lower mold base plate and the lower mold insert fixing plate.
[0010] Preferably, the guide column is a T-shaped structure, and the bottom of the lower mold insert fixing plate is penetrated upward by recessed holes on all four sides, the guide column movably passes through the recessed holes, and one end of the T-shaped structure of the guide column is embedded in the recessed hole.
[0011] Preferably, guide sleeves are movably provided at the four corners of the upper mold insert fixing plate, and the four guide sleeves are respectively mounted on four guide pillars. Two limit blocks mounted on the guide pillars are provided at the bottom of the upper mold insert fixing plate, and the two limit blocks are used to limit the guide sleeves from detaching from the upper mold insert fixing plate.
[0012] Preferably, first mounting holes penetrating the upper mold insert fixing plate are provided around the top of the upper mold cover plate and between the two limit blocks on the same side, and each of the first mounting holes is provided with a first connecting bolt for connecting the upper mold cover plate, the upper mold insert fixing plate and the limit blocks.
[0013] Compared with the prior art, the utility model has the following beneficial effects:
[0014] (1) The utility model adds a clampable upper mold cover plate, a lower mold bottom plate and a correction component, thereby facilitating clamping and pressing correction of the heat sink, and realizing that the equipment can correct the flatness dimension of the product after the upper and lower molds are clamped.
[0015] (2) The utility model adds a detachable upper mold insert group and a lower mold insert group, and the upper mold insert group and the lower mold insert group fit closely together and can be adjusted according to different positions, which greatly improves the adjustable range and has a wide range of applications. The use of contoured inserts can achieve better positioning. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a front view of the utility model;
[0017] Figure 2 This is the first exploded view of the utility model;
[0018] Figure 3 This is the second explosion diagram of the utility model;
[0019] In the figure: 1. hydraulic press; 2. first connecting bolt; 3. upper die cover plate; 4. upper die insert fixing plate; 5. limit block; 6. guide column; 7. lower die insert fixing plate; 8. lower die bottom plate; 9. second connecting bolt; 10. lower die insert group; 11. upper die insert group; 12. first insert groove; 13. second insert groove; 14. first mounting hole; 15. second mounting hole; 16. guide sleeve; 17. recessed hole. DETAILED DESCRIPTION
[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0021] refer to Figure 1 As shown, the utility model provides a heat sink flatness correction device, comprising: an upper mold cover plate 3 and a lower mold bottom plate 8, a hydraulic press 1 for mold closing is provided above the upper mold cover plate 3, two correction components for plane correction of the heat sink are provided between the upper mold cover plate 3 and the lower mold bottom plate 8, and a correction area for pressing and correcting the heat sink is formed between the two correction components.
[0022] As mentioned above, when using the upper mold cover plate 3 and the lower mold bottom plate 8 provided by the utility model, when working, the product is placed between the two correction components, and the start button of the hydraulic press 1 is pressed. The hydraulic press 1 applies pressure through: the upper and lower molds are closed - pre-pressing starts - pressing down, so as to apply 8-10T pressure to the product and extrude and correct the product.
[0023] In the present utility model, combined with Figures 1-3 As shown, the two correction components of this embodiment are an upper mold insert group 11 and a lower mold insert group 10, respectively. The upper mold insert group 11 and the lower mold insert group 10 are respectively detachably mounted on the upper mold cover plate 3 and the lower mold base plate 8, and a correction area is formed between the upper mold insert group 11 and the lower mold insert group 10.
[0024] As mentioned above, when using the upper mold insert group 11 and the lower mold insert group 10 provided by the utility model, by designing inserts for correcting important dimensions of the product, a split insert group is formed. The split insert group can better adjust the corresponding dimensions. The structure of the plane correction device is relatively precise, and the insert group fits tightly. It can be adjusted in a targeted manner according to different positions, which greatly improves the adjustable range and has a wide range of applications.
[0025] In the present utility model, combined with Figures 2-3 As shown, a removable upper mold insert fixing plate 4 is provided at the bottom of the upper mold cover plate 3 of the present embodiment, a second insert groove 13 is penetrated through the upper mold insert fixing plate 4, an upper mold insert group 11 is arranged between the upper mold insert fixing plate 4 and the upper mold cover plate 3, and one end of the upper mold insert group 11 penetrates the second insert groove 13 from top to bottom.
[0026] As described above, when using the upper die insert fixing plate 4 provided by the present utility model, the upper die insert group 11 is inserted into the upper die insert fixing plate 4 from top to bottom through the second insert groove 13. At this time, the upper die insert fixing plate 4 is installed on the upper die cover plate 3. At this time, the upper die insert group 11 is restricted between the upper die insert fixing plate 4 and the upper die cover plate 3, and the upper die insert group 11 can be replaced by reverse operation.
[0027] In the present utility model, as shown in Figures 1-3 the top of the lower die base plate 8 of this embodiment is detachably installed with a lower die insert fixing plate 7. A first insert groove 12 runs through the lower die insert fixing plate 7. The lower die insert group 10 is arranged between the lower die insert fixing plate 7 and the lower die base plate 8, and one end of the lower die insert group 10 runs through the first insert groove 12 from bottom to top. Guide posts 6 for lifting and guiding are provided around the lower die insert fixing plate 7, and the tops of the four guide posts 6 run through the upper die insert fixing plate 4 and the upper die cover plate 3.
[0028] As described above, when using the lower die insert fixing plate 7 provided by the present utility model, the lower die insert group 10 is inserted into the lower die insert fixing plate 7 from bottom to top through the first insert groove 12. At this time, the lower die insert fixing plate 7 is installed on the lower die base plate 8. At this time, the lower die insert group 10 is restricted between the lower die insert fixing plate 7 and the lower die base plate 8, and the lower die insert group 10 can be replaced by reverse operation.
[0029] Further, in order to facilitate the detachable installation of the lower die insert fixing plate 7 on the lower die base plate 8, as shown in Figures 2-3 second installation holes 15 are provided between the periphery of the bottom of the lower die base plate 8 and the lower die insert fixing plate 7. A second connecting bolt 9 for connecting the lower die base plate 8 and the lower die insert fixing plate 7 is provided in each second installation hole 15. The lower die insert fixing plate 7 can be fixedly installed on the lower die base plate 8 through the second installation holes 15 and the second connecting bolts 9. After removing the second connecting bolts 9, the lower die insert fixing plate 7 can be removed from the lower die base plate 8, so as to facilitate the removal and replacement of the lower die insert group 10 from the lower die insert fixing plate 7.
[0030] Further, in order to facilitate the detachable installation of the guide posts 6 on the lower die insert fixing plate 7, as shown in Figures 1-3 the guide posts 6 are of a T-shaped structure. Concave holes 17 run through upward around the bottom of the lower die insert fixing plate 7. The guide posts 6 movably run through the concave holes 17, and one end of the T-shaped structure of the guide posts 6 is embedded in the concave holes 17. After the lower die insert fixing plate 7 is fixedly installed on the lower die base plate 8, the guide posts 6 are restricted in the concave holes 17 through the T-shaped structure, so as to provide guidance for the lifting of the upper die insert fixing plate 4 on the lower die insert fixing plate 7.
[0031] Further, in order to facilitate the lifting and guiding of the upper die insert fixing plate 4 on the guide posts 6, as shown inFigures 2-3 As shown, guide bushings 16 are movably penetrated through the four corners of the upper die insert fixing plate 4. The four guide bushings 16 are respectively sleeved on the four guide pillars 6. Two limit blocks 5 sleeved on the guide pillars 6 are arranged at the bottom of the upper die insert fixing plate 4. The two limit blocks 5 are both used to limit the guide bushings 16 from detaching from the upper die insert fixing plate 4. The guide bushings 16 are embedded in the upper die insert fixing plate 4 by the limit blocks 5 and the upper die cover plate 3. The upper die insert fixing plate 4 can be driven to lift and guide on the guide pillars 6 through the guide bushings 16, and the wear at the connection between the upper die insert fixing plate 4 and the guide pillars 6 can be avoided through the guide bushings 16.
[0032] Further, in order to prevent the guide bushings 16 from detaching from the upper die insert fixing plate 4, refer to Figures 2-3 As shown, first mounting holes 14 penetrating the upper die insert fixing plate 4 are formed between the periphery of the top of the upper die cover plate 3 and the two limit blocks 5 on the same side. A first connecting bolt 2 for connecting the upper die cover plate 3, the upper die insert fixing plate 4 and the limit blocks 5 is arranged in each first mounting hole 14. After removing the first connecting bolts 2, the upper die cover plate 3, the upper die insert fixing plate 4 and the limit blocks 5 are disconnected, so that it is convenient to take out the guide bushings 16 from the upper die insert fixing plate 4 and replace the guide bushings 16.
[0033] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A flatness correction device for a heat dissipation plate, characterized in that, Comprising: An upper die cover plate (3) and a lower die bottom plate (8), above the upper die cover plate (3) there is a hydraulic press (1) for mold clamping, between the upper die cover plate (3) and the lower die bottom plate (8) there are two correction components for planar correction of the heat dissipation plate, and a correction area for pressing and correcting the heat dissipation plate is formed between the two correction components.
2. The flatness correction device for a heat dissipation plate according to claim 1, wherein: The two correction components are respectively an upper die insert group (11) and a lower die insert group (10), the upper die insert group (11) and the lower die insert group (10) are respectively detachably installed on the upper die cover plate (3) and the lower die bottom plate (8), and the correction area is formed between the upper die insert group (11) and the lower die insert group (10).
3. A flatness correction device for a heat dissipation plate according to claim 2, characterized in that: At the bottom of the upper die cover plate (3) there is a detachable upper die insert fixing plate (4), a second insert groove (13) runs through the upper die insert fixing plate (4), the upper die insert group (11) is arranged between the upper die insert fixing plate (4) and the upper die cover plate (3), and one end of the upper die insert group (11) runs through the second insert groove (13) from top to bottom.
4. The flatness correction device for a heat dissipation plate according to claim 3, characterized in that: At the top of the lower die bottom plate (8) there is a detachable lower die insert fixing plate (7), a first insert groove (12) runs through the lower die insert fixing plate (7), the lower die insert group (10) is arranged between the lower die insert fixing plate (7) and the lower die bottom plate (8), and one end of the lower die insert group (10) runs through the first insert groove (12) from bottom to top. Guide columns (6) for lifting and guiding are provided around the lower die insert fixing plate (7), and the tops of the four guide columns (6) all run through the upper die insert fixing plate (4) and the upper die cover plate (3).
5. The flatness correction device for a heat dissipation plate according to claim 4, wherein: Second installation holes (15) are formed between the periphery of the bottom of the lower die bottom plate (8) and the lower die insert fixing plate (7), and a second connecting bolt (9) for connecting the lower die bottom plate (8) and the lower die insert fixing plate (7) is provided in each second installation hole (15).
6. A flatness correction device for a heat dissipation plate according to claim 4, characterized in that: The guide column (6) is of a T-shaped structure, inwardly indented holes (17) run through upward around the bottom of the lower die insert fixing plate (7), the guide column (6) movably runs through the inwardly indented holes (17), and one end of the T-shaped structure of the guide column (6) is embedded in the inwardly indented holes (17).
7. A flatness correction device for a heat dissipation plate according to claim 4, characterized in that: Guide sleeves (16) movably run through the four corners of the upper die insert fixing plate (4), the four guide sleeves (16) are respectively sleeved on the four guide columns (6), and two limit blocks (5) sleeved on the guide columns (6) are provided at the bottom of the upper die insert fixing plate (4), and the two limit blocks (5) are both used to limit the guide sleeves (16) from detaching from the upper die insert fixing plate (4).
8. A flatness correction device for a heat dissipation plate according to claim 7, characterized in that: First installation holes (14) running through the upper die insert fixing plate (4) are formed between the periphery of the top of the upper die cover plate (3) and the two limit blocks (5) on the same side, and a first connecting bolt (2) for connecting the upper die cover plate (3), the upper die insert fixing plate (4) and the limit block (5) is provided in each first installation hole (14).