Powder metallurgy sintering device

Abstract

The utility model provides a powder metallurgy sintering device which comprises a barrel, a plurality of heating pipes arranged in a circumferential mode are arranged on the inner wall of the barrel, symmetrically-distributed air coolers are arranged at the top of the barrel, the barrel is fixedly sleeved with a supporting frame, a motor is installed in the center of the top of the barrel, and the output end of the motor is fixedly connected with a connecting rod. A plurality of evenly-arranged stirring blades are fixedly connected to the outer wall of the connecting rod, an air extracting pump is installed at the top of the supporting frame, an air extracting pipe is fixedly connected between the input end of the air extracting pump and the barrel, and the output end of the air extracting pump is fixedly connected with an exhaust pipe. One end of the exhaust pipe away from the sucking pump is arranged in the water tank; by means of the air cooler, the interior of the barrel can be cooled, hot air in the barrel can be blown away, the air in the barrel is pumped out through the air suction pump through the air suction pipe, and the air is exhausted into the water tank containing cold water through the exhaust pipe, so that a large amount of hot air cannot be generated during subsequent discharging through the discharging port, and safety during discharging is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of powder metallurgy sintering, in particular to a powder metallurgy sintering device. Background Art

[0002] Powder metallurgy is a process technology that produces metal powder or uses metal powder or a mixture of metal powder and non-metal powder as raw materials, and then forms and sinters them to manufacture metal materials, composite materials and various types of products. Sintering furnaces are required for powder metallurgy. Sintering furnaces refer to special equipment that allows powder compacts to obtain the required physical, mechanical properties and microstructures through sintering. Generally, sintering furnaces can be divided into two categories according to the different ways of moving the compacts: continuous sintering furnaces and intermittent sintering furnaces. However, the existing technology has the following shortcomings when used:

[0003] After sintering is completed, a large amount of hot air will be discharged from the cylinder during the discharge process, which may scald nearby workers. At the same time, it will increase the temperature in the working area and have a certain impact on the production operations of the workers.

[0004] Therefore, a powder metallurgy sintering device is urgently needed to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to address the current problem that after sintering is completed, a large amount of hot gas will be discharged from the cylinder during the discharge process, which may scald nearby workers and at the same time, increase the temperature in the working area, which has a certain impact on the production operations of the workers.

[0006] In order to achieve the above-mentioned invention object, the utility model provides the following technical solutions:

[0007] A powder metallurgy sintering device is provided to improve the above problems.

[0008] The specific application is as follows:

[0009] A powder metallurgy sintering device comprises a cylinder, the inner wall of the cylinder is provided with a plurality of heating tubes arranged in a circle, the top of the cylinder is provided with a symmetrically distributed cooling fan, the outer fixed sleeve of the cylinder is provided with a support frame, a motor is installed at the center of the top of the cylinder, the output end of the motor is fixedly connected to a connecting rod, the outer wall of the connecting rod is fixedly connected to a plurality of evenly arranged stirring blades, an exhaust pump is installed on the top of the support frame, an exhaust pipe is fixedly connected between the input end of the exhaust pump and the cylinder, the output end of the exhaust pump is fixedly connected to an exhaust pipe, a water tank is provided on the right side of the support frame, a cooling groove is provided on the water tank, and the end of the exhaust pipe away from the exhaust pump is placed in the water tank.

[0010] As a preferred technical solution of the present application, a discharge port is provided at the center of the bottom of the cylinder.

[0011] As a preferred technical solution of the present application, the left side wall of the support frame is fixedly connected to a fixed plate, the right side wall of the fixed plate is fixedly connected to an electric push rod, the pushing end of the electric push rod is fixedly connected to a connecting block, and the top of the connecting block is fixedly connected to a bottom cover.

[0012] As a preferred technical solution of the present application, a sealing gasket is fixedly connected to the top of the bottom cover, and the sealing gasket fits with the cylinder.

[0013] As a preferred technical solution of the present application, a cover body is threadedly connected to the top of the cylinder.

[0014] As a preferred technical solution of the present application, a switch group is provided on the top of the support frame, and the motor and the electric push rod are electrically connected to the switch group.

[0015] As a preferred technical solution of the present application, the left side wall of the connecting block is fixedly connected to a guide rod symmetrically distributed with respect to the electric push rod, and the guide rod movably passes through the fixed plate.

[0016] Compared with the prior art, the utility model has the following beneficial effects:

[0017] In the scheme of this application:

[0018] 1. Through the provision of an air cooler, an air suction pump, an air suction pipe, an exhaust pipe, a water tank and a cooling tank, after the powder in the cylinder is sintered, the air cooler is started to blow cold air into the cylinder through the air cooler to disperse the hot air in the cylinder and cool the inside of the cylinder. Then the air suction pump is started to extract the gas in the cylinder through the air suction pipe, and the gas is discharged into a water tank with cold water after passing through the exhaust pipe. By pouring coolant into the cooling tank, the water in the water tank is cooled, so that a large amount of hot air will not be generated during the subsequent discharge through the discharge port, thereby ensuring the safety of the discharge. This solves the problem in the prior art that a large amount of hot air will be discharged from the cylinder during the discharge process after sintering is completed, which may scald nearby staff and increase the temperature in the working area, thereby having a certain impact on the production operations of the staff.

[0019] 2. Through the motor, connecting rod and stirring blades that are set, the motor is started through the switch group. The motor drives the stirring blades to rotate in the cylinder through the connecting rod, driving the material in the cylinder, which can accelerate the cooling of the material in the cylinder and further improve the cooling effect.

[0020] 3. Through the electric push rod, connecting block and bottom cover, the electric push rod is started through the switch group, and the electric push rod drives the bottom cover to move to the side close to the fixed plate through the connecting block, and the material in the cylinder is discharged through the discharge port. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic diagram of the overall structure of a powder metallurgy sintering device provided in this application.

[0022] Figure 2 This is a schematic diagram of the front view structure of a powder metallurgy sintering device provided in this application.

[0023] Figure 3 This is a schematic diagram of the cross-sectional structure of a powder metallurgy sintering device provided in this application.

[0024] Figure 4 for Figure 3 Schematic diagram of the enlarged structure of part A.

[0025] Indicated in the figure:

[0026] 1. Cylinder; 2. Heating tube; 3. Air cooler; 4. Support frame; 5. Motor; 6. Connecting rod; 7. Stirring blade; 8. Vacuum pump; 9. Vacuum pipe; 10. Exhaust pipe; 11. Water tank; 12. Cooling trough; 13. Discharge port; 14. Fixed plate; 15. Electric push rod; 16. Connecting block; 17. Bottom cover; 18. Sealing pad; 19. Cover; 20. Switch group; 21. Guide rod. DETAILED DESCRIPTION

[0027] To make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be described clearly and completely in conjunction with the accompanying drawings. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments.

[0028] Therefore, the following detailed description of the embodiments of the present invention is not intended to limit the scope of the present invention to be protected, but merely represents some embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0029] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features and technical solutions in the embodiments may be combined with each other.

[0030] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0031] In the description of the present utility model, it should be noted that the orientation or position relationship indicated by the terms "upper", "lower", etc. is based on the orientation or position relationship shown in the drawings, or the orientation or position relationship in which the invention product is usually placed when in use, or the orientation or position relationship commonly understood by those skilled in the art. Such terms are only for the convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0032] Example:

[0033] like Figure 1-4 As shown, a powder metallurgy sintering device proposed in this embodiment includes a cylinder 1, and a plurality of heating tubes 2 arranged in a circle are provided on the inner wall of the cylinder 1. The heating tubes 2 are connected to an external control power supply, and the inside of the cylinder 1 is heated by the heating tubes 2 to sinter the powder. A symmetrically distributed cooling fan 3 is provided on the top of the cylinder 1. After the powder is sintered, the cooling fan 3 is started, and cold air is blown into the cylinder 1 through the cooling fan 3 to blow away the hot air in the cylinder 1 and cool the inside of the cylinder 1. A support frame 4 is fixedly sleeved outside the cylinder 1, and a motor 5 is installed at the top center of the cylinder 1. The motor 5 is started, and a connecting rod 6 is fixedly connected to the output end of the motor 5. A plurality of evenly arranged stirring blades 7 are fixedly connected to the outer wall of the connecting rod 6, and the motor 5 drives the stirring blades 7 to move in the cylinder 1 through the connecting rod 6. The inner rotation drives the material in the cylinder 1, which can accelerate the cooling of the material in the cylinder 1 and further improve the cooling effect. An air pump 8 is installed on the top of the support frame 4, and an air suction pipe 9 is fixedly connected between the input end of the air pump 8 and the cylinder 1, and an exhaust pipe 10 is fixedly connected to the output end of the air pump 8. A water tank 11 is provided on the right side of the support frame 4, and a cooling groove 12 is opened on the water tank 11. The end of the exhaust pipe 10 away from the air pump 8 is placed in the water tank 11. Start the air pump 8, and the gas in the cylinder 1 is extracted through the air suction pipe 9, and then discharged into the water tank 11 with cold water after passing through the exhaust pipe 10, so that a large amount of hot air will not be generated when discharging through the discharge port 13 later, thereby ensuring the safety during discharging, and the water in the water tank 11 is cooled by pouring coolant into the cooling groove 12.

[0034] like Figure 4 As shown, a discharge port 13 is provided at the center of the bottom of the cylinder 1 , and the material in the cylinder 1 is discharged through the discharge port 13 .

[0035] like Figure 2 and Figure 4As shown, the left side wall of the support frame 4 is fixedly connected to a fixed plate 14, the right side wall of the fixed plate 14 is fixedly connected to an electric push rod 15, the pushing end of the electric push rod 15 is fixedly connected to a connecting block 16, and the top of the connecting block 16 is fixedly connected to a bottom cover 17. The electric push rod 15 drives the bottom cover 17 to move toward the side close to the fixed plate 14 through the connecting block 16, and the material in the cylinder 1 is discharged through the discharge port 13.

[0036] like Figure 4 As shown, a sealing gasket 18 is fixedly connected to the top of the bottom cover 17, and the sealing gasket 18 fits the cylinder body 1. The sealing gasket 18 ensures the sealing between the bottom cover 17 and the cylinder body 1.

[0037] like Figure 1 As shown, a cover 19 is threadedly connected to the top of the cylinder 1 , and the staff rotates the cover 19 to remove it from the cylinder 1 and pours powder into the cylinder 1 .

[0038] like Figure 1 and Figure 2 As shown, a switch group 20 is provided on the top of the support frame 4, and the motor 5 and the electric push rod 15 are electrically connected to the switch group 20, and the start-up of the motor 5 and the electric push rod 15 is controlled by the switch group 20.

[0039] like Figure 2 As shown, the left side wall of the connecting block 16 is fixedly connected with a guide rod 21 symmetrically distributed about the electric push rod 15. The guide rod 21 movably penetrates the fixed plate 14. The set guide rod 21 can prevent the electric push rod 15 from being subjected to lateral force.

[0040] Specifically, when the powder metallurgy sintering device is in use: the staff rotates the cover 19 to remove it from the cylinder 1, pours powder into the cylinder 1, heats the inside of the cylinder 1 through the heating tube 2, and sinters the powder. After the powder is sintered, the air cooler 3 is started, and the motor 5 is started through the switch group 20, and cold air is blown into the cylinder 1 through the air cooler 3 to blow away the hot air in the cylinder 1 and cool the inside of the cylinder 1. The motor 5 drives the stirring blade 7 to rotate in the cylinder 1 through the connecting rod 6, driving the material in the cylinder 1, which can accelerate the cooling of the material in the cylinder 1. , further improve the cooling effect, and then start the vacuum pump 8, extract the gas in the cylinder 1 through the vacuum pipe 9, and discharge it into the water tank 11 with cold water after passing through the exhaust pipe 10, so that a large amount of hot air will not be generated when discharging through the discharge port 13 later, ensuring the safety during discharge, by pouring coolant into the cooling tank 12, the water in the water tank 11 is cooled, and then the electric push rod 15 is started through the switch group 20, and the electric push rod 15 drives the bottom cover 17 to move to the side close to the fixed plate 14 through the connecting block 16, and the material in the cylinder 1 is discharged through the discharge port 13.

[0041] The above embodiments are only used to illustrate the present invention and are not intended to limit the technical solutions described in the present invention. Although the present invention has been described in detail with reference to the above embodiments, the present invention is not limited to the above specific implementation methods. Therefore, any modification or equivalent replacement of the present invention; and all technical solutions and improvements thereof that do not depart from the spirit and scope of the invention are included in the scope of the claims of the present invention.

Claims

1. A powder metallurgy sintering device, comprising a cylinder (1), characterized in that: The inner wall of the cylinder (1) is provided with a plurality of heating tubes (2) arranged in a circumferential manner, the top of the cylinder (1) is provided with a symmetrically distributed cooling fan (3), the outer sleeve of the cylinder (1) is provided with a support frame (4), a motor (5) is installed at the center of the top of the cylinder (1), the output end of the motor (5) is fixedly connected to a connecting rod (6), the outer wall of the connecting rod (6) is fixedly connected to a plurality of evenly arranged stirring blades (7), an air pump (8) is installed on the top of the support frame (4), an air pump (9) is fixedly connected between the input end of the air pump (8) and the cylinder (1), and an exhaust pipe (10) is fixedly connected to the output end of the air pump (8), a water tank (11) is provided on the right side of the support frame (4), a cooling groove (12) is provided on the water tank (11), and the end of the exhaust pipe (10) away from the air pump (8) is placed in the water tank (11).

2. A powder metallurgy sintering device according to claim 1, characterized in that: A discharge port (13) is provided at the center of the bottom of the cylinder (1).

3. The powder metallurgy sintering device according to claim 1, characterized in that: A fixing plate (14) is fixedly connected to the left side wall of the support frame (4), an electric push rod (15) is fixedly connected to the right side wall of the fixing plate (14), a connecting block (16) is fixedly connected to the pushing end of the electric push rod (15), and a bottom cover (17) is fixedly connected to the top of the connecting block (16).

4. A powder metallurgy sintering device according to claim 3, characterized in that: A sealing gasket (18) is fixedly connected to the top of the bottom cover (17), and the sealing gasket (18) is in close contact with the cylinder (1).

5. The powder metallurgy sintering device according to claim 1, characterized in that: The top of the cylinder (1) is threadedly connected with a cover (19).

6. The powder metallurgy sintering device according to claim 3, characterized in that: A switch group (20) is provided on the top of the support frame (4), and the motor (5) and the electric push rod (15) are both electrically connected to the switch group (20).

7. The powder metallurgy sintering device according to claim 3, characterized in that: The left side wall of the connection block (16) is fixedly connected to a guide rod (21) symmetrically distributed with respect to the electric push rod (15), and the guide rod (21) movably penetrates the fixed plate (14).

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