Hard alloy low-pressure sintering feeding mechanism
By designing a low-pressure sintering and loading mechanism for cemented carbide, using the combination of sealing, support and conveying mechanisms, the production efficiency problem caused by frequent adjustment of the furnace pressure during the loading process in the prior art is solved, and a more efficient loading process is achieved.
Patent Information
- Application Number
- CN202421437703.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-21
- Publication Date
- 2025-05-16
- Estimated Expiration
- 2034-06-21
AI Technical Summary
During the loading process of existing low-pressure sintering furnaces, the pressure in the furnace needs to be adjusted frequently, resulting in low production efficiency and poor practicality.
A cemented carbide low-pressure sintering and feeding mechanism is designed, including a sealing mechanism, a support mechanism and a conveying mechanism. The loading efficiency is improved by opening the sealing mechanism and placing the carbide on the support mechanism and using the conveying mechanism to transport the support mechanism to a low-pressure sintering furnace.
This feeding mechanism can significantly improve the practicality of the equipment, reduce the impact on the pressure in the low-pressure sintering furnace during feeding, and improve production efficiency.
Smart Images

Figure CN222881694U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of low-pressure sintering feeding, in particular to a hard alloy low-pressure sintering feeding mechanism. Background Art
[0002] A low-pressure sintering furnace is a device used in the metallurgical and mining industries, and is mainly used to process powdered raw materials into block materials through heat treatment. Existing low-pressure sintering furnaces, such as a low-pressure sintering furnace disclosed in the utility model patent with publication number CN210486509U and a low-pressure sintering furnace for ultra-coarse cemented carbide disclosed in the utility model patent with publication number CN206410530U, can both perform low-pressure sintering of cemented carbide.
[0003] However, it was found during use that the existing low-pressure sintering furnace has a relatively simple structure. Each time material is loaded, the pressure in the furnace will return to normal pressure. After loading, the pressure in the processing furnace will be reduced to the required value, which is time-consuming and labor-intensive, affecting production efficiency and resulting in poor practicality. Therefore, a cemented carbide low-pressure sintering feeding mechanism is urgently needed to improve the above problems. Utility Model Content
[0004] In order to solve the above technical problems, the utility model provides a cemented carbide low-pressure sintering feeding mechanism which opens a sealing mechanism to place cemented carbide on a supporting mechanism, opens a conveying mechanism to convey the supporting mechanism to a low-pressure sintering furnace, thereby improving the practicality of the equipment.
[0005] The utility model discloses a cemented carbide low-pressure sintering feeding mechanism, comprising a supporting mechanism; a sealing mechanism and a conveying mechanism, wherein the conveying mechanism is installed on the sealing mechanism, the supporting mechanism is installed on the conveying mechanism, and the supporting mechanism is located in the sealing mechanism;
[0006] The sealing mechanism is connected to the low-pressure sintering furnace, the supporting mechanism supports the cemented carbide, and the conveying mechanism adjusts the position of the supporting mechanism;
[0007] The sealing mechanism is opened to place the cemented carbide on the supporting mechanism, and the conveying mechanism is opened to convey the supporting mechanism to the low-pressure sintering furnace, thereby improving the practicability of the equipment.
[0008] Preferably, the sealing mechanism includes a sealing box, a bracket, a fixed frame, multiple groups of first hydraulic cylinders, a first sealing door, multiple groups of second hydraulic cylinders and a second sealing door, the bracket is installed at the bottom end of the sealing box, the multiple groups of first hydraulic cylinders and the multiple groups of second hydraulic cylinders are installed at the top of the sealing box through the fixed frame, the first sealing door is installed at the bottom end of the multiple groups of first hydraulic cylinders, and the second sealing door is installed at the bottom end of the multiple groups of second hydraulic cylinders; the right end of the sealing box is installed on the low-pressure sintering furnace, the first sealing door is opened by contracting the multiple groups of first hydraulic cylinders, the cemented carbide is placed on the supporting mechanism, and then the first sealing door is closed by extending the multiple groups of first hydraulic cylinders, and the second sealing door is opened by contracting the multiple groups of second hydraulic cylinders, and the supporting mechanism is sent into the low-pressure sintering furnace by the conveying mechanism, and then the second sealing door is closed by extending the multiple groups of second hydraulic cylinders, so as to reduce the impact of the pressure in the low-pressure sintering furnace during loading, thereby improving the practicability of the equipment.
[0009] Preferably, the supporting mechanism includes a guide rail, a slider and a supporting platform, the bottom end of the guide rail is connected to the bottom end of the sealing box, the slider is slidably installed on the guide rail, and a groove is provided at the left end of the slider, and the supporting platform is installed on the top of the slider; the cemented carbide is placed on the supporting platform, and the slider is pushed to slide on the guide rail through the conveying mechanism, so that the slider slides into the low-pressure sintering furnace, thereby improving the practicability of the equipment.
[0010] Preferably, the conveying mechanism includes a storage mechanism, a chain, multiple sets of racks, gears and a first motor, the storage mechanism is installed at the bottom end of the sealed box, the chain is rolled in the storage mechanism, one end of the chain extends to the inside of the sealed box, multiple sets of racks are installed on the chain, the gear is rotatably installed in the sealed box through a support shaft, and the gear is meshingly connected with the rack, the first motor is installed on the sealed box, and the output shaft of the first motor is connected to the front end of the support shaft; turn on the first motor, and convey the chain to the right through the meshing transmission of the gear and the multiple sets of racks, so that the right end of the chain is inserted into the groove of the slider, and then the chain is continuously conveyed to the right so that the chain pushes the slider into the low-pressure sintering furnace, and then the first motor runs in reverse to reset the chain, thereby improving the practicality of the equipment.
[0011] Preferably, the storage mechanism includes a storage box, a second motor and an oiling mechanism, the storage box is installed at the bottom end of the sealed box, and an opening is provided at the top end of the storage box, a winding shaft is provided inside the storage box, the second motor is installed on the storage box, and the output shaft of the second motor is connected to the front end of the winding shaft, and the oiling mechanism is installed on the storage box; the chain is wound by the winding shaft in the storage box, and when the first motor is running, the second motor is running at the same time to discharge the chain from the storage box, and when the first motor is running in the reverse direction, the second motor is running in the same direction to reset the chain, and the chain in the storage box is regularly maintained by the oiling mechanism, thereby improving the practicability of the equipment.
[0012] Preferably, the oiling mechanism includes an oil storage tank, a booster pump, an oil drain pipe and a nozzle, the top of the oil storage tank is connected to the bottom of the storage box, the booster pump is installed on the oil storage tank, and the exhaust port of the booster pump is communicated with the interior of the oil storage tank, one end of the oil drain pipe is communicated with the interior of the oil storage tank, the nozzle is installed on the other end of the oil drain pipe, and the left end of the nozzle is communicated with the interior of the storage tank; the lubricating oil is stored in the oil storage tank, and the air is discharged into the oil storage tank through the booster pump to increase the pressure in the oil storage tank, and then the lubricating oil is sprayed into the storage tank through the nozzle to maintain the chain in the storage box, thereby improving the practicability of the equipment.
[0013] Preferably, it also includes a recovery pipe and a solenoid valve, one end of the recovery pipe is connected to the interior of the oil storage tank, and the other end of the recovery pipe is connected to the interior of the storage tank, and the solenoid valve is installed on the recovery pipe; after maintenance, the recovery pipe is opened to drain the lubricating oil dripping on the bottom of the storage tank into the oil storage tank, thereby improving the practicability of the equipment.
[0014] Compared with the prior art, the utility model has the following beneficial effects: the sealing mechanism is opened to place the cemented carbide on the supporting mechanism, and the conveying mechanism is opened to convey the supporting mechanism to the low-pressure sintering furnace, thereby improving the practicability of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a schematic diagram of the axonometric structure of the utility model;
[0016] Figure 2 It is a front view structural schematic diagram of the utility model;
[0017] Figure 3 It is a front view cross-sectional structural schematic diagram of the utility model;
[0018] Figure 4 The utility model Figure 3 Schematic diagram of the enlarged structure of part A in FIG.
[0019] Markings in the attached drawings: 1. Sealing box; 2. Bracket; 3. Fixed frame; 4. First hydraulic cylinder; 5. First sealing door; 6. Second hydraulic cylinder; 7. Second sealing door; 8. Guide rail; 9. Slider; 10. Support platform; 11. Chain; 12. Rack; 13. Gear; 14. First motor; 15. Storage box; 16. Second motor; 17. Oil storage tank; 18. Booster pump; 19. Oil drain pipe; 20. Nozzle; 21. Recovery pipe; 22. Solenoid valve. DETAILED DESCRIPTION
[0020] In order to facilitate the understanding of the utility model, the utility model will be described more comprehensively below with reference to the relevant drawings. The utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.
[0021] Example 1
[0022] A cemented carbide low-pressure sintering feeding mechanism, comprising a supporting mechanism; a sealing mechanism and a conveying mechanism, wherein the conveying mechanism is mounted on the sealing mechanism, the supporting mechanism is mounted on the conveying mechanism, and the supporting mechanism is located in the sealing mechanism;
[0023] The sealing mechanism is connected to the low-pressure sintering furnace, the supporting mechanism supports the cemented carbide, and the conveying mechanism adjusts the position of the supporting mechanism;
[0024] The sealing mechanism comprises a sealing box 1, a bracket 2, a fixing bracket 3, a plurality of first hydraulic cylinders 4, a first sealing door 5, a plurality of second hydraulic cylinders 6 and a second sealing door 7, the bracket 2 is mounted on the bottom end of the sealing box 1, the plurality of first hydraulic cylinders 4 and the plurality of second hydraulic cylinders 6 are both mounted on the top end of the sealing box 1 through the fixing bracket 3, the first sealing door 5 is mounted on the bottom end of the plurality of first hydraulic cylinders 4, and the second sealing door 7 is mounted on the bottom end of the plurality of second hydraulic cylinders 6;
[0025] The support mechanism includes a guide rail 8, a slider 9 and a support platform 10. The bottom end of the guide rail 8 is connected to the bottom end of the sealed box 1. The slider 9 is slidably mounted on the guide rail 8. A groove is provided at the left end of the slider 9. The support platform 10 is mounted on the top end of the slider 9.
[0026] The conveying mechanism includes a storage mechanism, a chain 11, multiple sets of racks 12, a gear 13 and a first motor 14, the storage mechanism is installed at the bottom end of the sealed box 1, the chain 11 is rolled in the storage mechanism, one end of the chain 11 extends to the inside of the sealed box 1, the multiple sets of racks 12 are installed on the chain 11, the gear 13 is rotatably installed in the sealed box 1 through a support shaft, and the gear 13 is meshed and connected with the rack 12, the first motor 14 is installed on the sealed box 1, and the output shaft of the first motor 14 is connected to the front end of the support shaft;
[0027] The storage mechanism includes a storage box 15, a second motor 16 and an oiling mechanism. The storage box 15 is installed at the bottom end of the sealed box 1, and the top end of the storage box 15 is provided with an opening. A winding shaft is provided inside the storage box 15. The second motor 16 is installed on the storage box 15, and the output shaft of the second motor 16 is connected to the front end of the winding shaft. The oiling mechanism is installed on the storage box 15.
[0028] Place the cemented carbide on the support table 10, turn on the first motor 14 and the second motor 16, and transmit the chain 11 to the right through the meshing transmission of the gear 13 and the multiple sets of racks 12, so that the right end of the chain 11 is inserted into the groove of the slider 9, and then the chain 11 is continuously conveyed to the right so that the chain 11 pushes the slider 9 into the low-pressure sintering furnace, and then the first motor 14 and the second motor 16 run in reverse to reset the chain 11, thereby improving the practicability of the equipment.
[0029] Example 2
[0030] like Figures 1 to 4 As shown, a cemented carbide low-pressure sintering feeding mechanism includes a supporting mechanism; a sealing mechanism and a conveying mechanism, wherein the conveying mechanism is mounted on the sealing mechanism, the supporting mechanism is mounted on the conveying mechanism, and the supporting mechanism is located in the sealing mechanism;
[0031] The sealing mechanism is connected to the low-pressure sintering furnace, the supporting mechanism supports the cemented carbide, and the conveying mechanism adjusts the position of the supporting mechanism;
[0032] The sealing mechanism comprises a sealing box 1, a bracket 2, a fixing bracket 3, a plurality of first hydraulic cylinders 4, a first sealing door 5, a plurality of second hydraulic cylinders 6 and a second sealing door 7, the bracket 2 is mounted on the bottom end of the sealing box 1, the plurality of first hydraulic cylinders 4 and the plurality of second hydraulic cylinders 6 are both mounted on the top end of the sealing box 1 through the fixing bracket 3, the first sealing door 5 is mounted on the bottom end of the plurality of first hydraulic cylinders 4, and the second sealing door 7 is mounted on the bottom end of the plurality of second hydraulic cylinders 6;
[0033] The support mechanism includes a guide rail 8, a slider 9 and a support platform 10. The bottom end of the guide rail 8 is connected to the bottom end of the sealed box 1. The slider 9 is slidably mounted on the guide rail 8. A groove is provided at the left end of the slider 9. The support platform 10 is mounted on the top end of the slider 9.
[0034] The conveying mechanism includes a storage mechanism, a chain 11, multiple sets of racks 12, a gear 13 and a first motor 14, the storage mechanism is installed at the bottom end of the sealed box 1, the chain 11 is rolled in the storage mechanism, one end of the chain 11 extends to the inside of the sealed box 1, the multiple sets of racks 12 are installed on the chain 11, the gear 13 is rotatably installed in the sealed box 1 through a support shaft, and the gear 13 is meshed and connected with the rack 12, the first motor 14 is installed on the sealed box 1, and the output shaft of the first motor 14 is connected to the front end of the support shaft;
[0035] The storage mechanism includes a storage box 15, a second motor 16 and an oiling mechanism. The storage box 15 is installed at the bottom end of the sealed box 1, and the top end of the storage box 15 is provided with an opening. A winding shaft is provided inside the storage box 15. The second motor 16 is installed on the storage box 15, and the output shaft of the second motor 16 is connected to the front end of the winding shaft. The oiling mechanism is installed on the storage box 15.
[0036] The oiling mechanism includes an oil storage tank 17, a booster pump 18, an oil discharge pipe 19 and a nozzle 20. The top end of the oil storage tank 17 is connected to the bottom end of the storage tank 15. The booster pump 18 is installed on the oil storage tank 17, and the exhaust port of the booster pump 18 is communicated with the interior of the oil storage tank 17. One end of the oil discharge pipe 19 is communicated with the interior of the oil storage tank 17. The nozzle 20 is installed on the other end of the oil discharge pipe 19, and the left end of the nozzle 20 is communicated with the interior of the storage tank 15.
[0037] It also includes a recovery pipe 21 and a solenoid valve 22, one end of the recovery pipe 21 is connected to the inside of the oil storage tank 17, the other end of the recovery pipe 21 is connected to the inside of the storage tank 15, and the solenoid valve 22 is installed on the recovery pipe 21;
[0038] Place the cemented carbide on the support table 10, turn on the first motor 14 and the second motor 16, and transmit the chain 11 to the right through the meshing transmission of the gear 13 and the multiple sets of racks 12, so that the right end of the chain 11 is inserted into the groove of the slider 9, and then the chain 11 is continuously conveyed to the right so that the chain 11 pushes the slider 9 into the low-pressure sintering furnace, and then the first motor 14 and the second motor 16 run in reverse to reset the chain 11, and then the lubricating oil is stored in the oil storage tank 17, and the air is discharged into the oil storage tank 17 through the booster pump 18 to increase the pressure in the oil storage tank 17, and then the lubricating oil is sprayed into the storage tank 15 through the nozzle 20, and the chain 11 in the storage box 15 is maintained. After maintenance, the recovery pipe 21 is opened to discharge the lubricating oil dripping on the bottom of the storage box 15 into the oil storage tank 17, thereby improving the practicality of the equipment.
[0039] A quick connector can be installed at one end of the chain 11, and a quick interface can be installed on the slider 9, so that the chain 11 can pull the slider 9 back into the sealing box 1; the first hydraulic cylinder 4, the second hydraulic cylinder 6, the first motor 14, the second motor 16, the booster pump 18 and the solenoid valve 22 of a cemented carbide low-pressure sintering feeding mechanism of the utility model are purchased on the market, and technicians in the industry only need to install and operate them according to the accompanying instruction manual, without the need for creative labor by technicians in this field.
[0040] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.
Claims
1. A cemented carbide low-pressure sintering feeding mechanism, comprising a supporting mechanism; characterized in that: It also includes a sealing mechanism and a conveying mechanism, wherein the conveying mechanism is mounted on the sealing mechanism, the supporting mechanism is mounted on the conveying mechanism, and the supporting mechanism is located in the sealing mechanism; The sealing mechanism is connected to the low-pressure sintering furnace, the supporting mechanism supports the cemented carbide, and the conveying mechanism adjusts the position of the supporting mechanism; The sealing mechanism comprises a sealing box (1), a bracket (2), a fixing bracket (3), a plurality of first hydraulic cylinders (4), a first sealing door (5), a plurality of second hydraulic cylinders (6) and a second sealing door (7); the bracket (2) is mounted on the bottom end of the sealing box (1); the plurality of first hydraulic cylinders (4) and the plurality of second hydraulic cylinders (6) are both mounted on the top end of the sealing box (1) through the fixing bracket (3); the first sealing door (5) is mounted on the bottom end of the plurality of first hydraulic cylinders (4); and the second sealing door (7) is mounted on the bottom end of the plurality of second hydraulic cylinders (6).
2. A cemented carbide low-pressure sintering feeding mechanism as claimed in claim 1, characterized in that: The support mechanism comprises a guide rail (8), a slider (9) and a support platform (10); the bottom end of the guide rail (8) is connected to the bottom end of the sealing box (1); the slider (9) is slidably mounted on the guide rail (8); a groove is provided at the left end of the slider (9); and the support platform (10) is mounted on the top end of the slider (9).
3. A cemented carbide low-pressure sintering feeding mechanism as claimed in claim 1, characterized in that: The conveying mechanism comprises a storage mechanism, a chain (11), a plurality of racks (12), a gear (13) and a first motor (14); the storage mechanism is mounted at the bottom end of the sealed box (1); the chain (11) is rolled up in the storage mechanism; one end of the chain (11) extends into the interior of the sealed box (1); the plurality of racks (12) are mounted on the chain (11); the gear (13) is rotatably mounted in the sealed box (1) via a support shaft; the gear (13) is meshedly connected to the rack (12); the first motor (14) is mounted on the sealed box (1); and the output shaft of the first motor (14) is connected to the front end of the support shaft.
4. A cemented carbide low-pressure sintering feeding mechanism as claimed in claim 3, characterized in that: The storage mechanism comprises a storage box (15), a second motor (16) and an oiling mechanism. The storage box (15) is mounted at the bottom end of the sealed box (1), and an opening is provided at the top end of the storage box (15). A winding shaft is provided inside the storage box (15). The second motor (16) is mounted on the storage box (15), and an output shaft of the second motor (16) is connected to a front end of the winding shaft. The oiling mechanism is mounted on the storage box (15).
5. A cemented carbide low-pressure sintering feeding mechanism as claimed in claim 4, characterized in that: The oiling mechanism comprises an oil storage tank (17), a booster pump (18), an oil discharge pipe (19) and a nozzle (20); the top end of the oil storage tank (17) is connected to the bottom end of the storage tank (15); the booster pump (18) is mounted on the oil storage tank (17), and the exhaust port of the booster pump (18) is communicated with the interior of the oil storage tank (17); one end of the oil discharge pipe (19) is communicated with the interior of the oil storage tank (17); the nozzle (20) is mounted on the other end of the oil discharge pipe (19), and the left end of the nozzle (20) is communicated with the interior of the storage tank (15).
6. A cemented carbide low-pressure sintering feeding mechanism as claimed in claim 5, characterized in that: It also includes a recovery pipe (21) and a solenoid valve (22), one end of the recovery pipe (21) is communicated with the interior of the oil storage tank (17), the other end of the recovery pipe (21) is communicated with the interior of the storage tank (15), and the solenoid valve (22) is installed on the recovery pipe (21).
Citation Information
Patent Citations
Low pressure fritting furnace of super hard and coarse matter alloy
CN206410530U
Low-pressure sintering furnace
CN210486509U