Powder metallurgy sintering furnace capable of preventing foreign matters

Abstract

The utility model provides a powder metallurgy sintering furnace capable of preventing foreign matters. The powder metallurgy sintering furnace capable of preventing the foreign matter comprises a powder metallurgy sintering furnace body, the powder metallurgy sintering furnace body comprises a sintering hearth, two through openings and an exhaust pipe, the two through openings are formed in the two sides of the sintering hearth respectively, and the exhaust pipe is arranged at the top of the sintering hearth; the two blocking and protecting mechanisms are arranged on the two sides of the sintering hearth correspondingly, the blocking and protecting mechanisms are used for blocking the through opening, each blocking and protecting mechanism comprises a mounting frame, a motor, a lead screw, two conical teeth, a connecting block and a baffle, and the mounting frame is fixedly mounted on the outer wall of one side of the sintering hearth. According to the powder metallurgy sintering furnace capable of preventing the foreign matters, the external foreign matters can be effectively prevented from entering the sintering furnace, so that the sintering effect on metal parts is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of powder metallurgy sintering furnaces, in particular to a powder metallurgy sintering furnace capable of preventing foreign matter. Background Art

[0002] Powder metallurgy sintering furnace is a heat treatment equipment that uses metal powder (or a mixture of metal powder and non-metal powder) as raw material to form metal or alloy parts through forming and sintering.

[0003] However, some common powder metallurgy sintering furnaces still have certain shortcomings in the process of sintering metal parts. Both ends of the powder metallurgy sintering furnace are provided with inlets and outlets to facilitate the parts to be sintered to enter and exit the sintering furnace. However, the inlet and outlet heights on common powder metallurgy sintering furnaces are often fixed, and the inlet and outlet heights cannot be adjusted according to the size of the sintered parts. As a result, during the sintering process of metal parts, some foreign matter may easily enter the sintering furnace through the inlet and outlet, causing the foreign matter to adhere to the sintered parts, thereby reducing the sintering effect of the parts.

[0004] Therefore, it is necessary to provide a powder metallurgy sintering furnace that can prevent foreign matter from being contained in the sintering furnace to solve the above technical problems. Utility Model Content

[0005] In order to solve the technical problem mentioned in the background technology that foreign matter is easily introduced into some common powder metallurgy sintering furnaces, the utility model provides a powder metallurgy sintering furnace which can prevent foreign matter from entering.

[0006] The powder metallurgy sintering furnace capable of preventing foreign matter provided by the utility model comprises: a powder metallurgy sintering furnace body, the powder metallurgy sintering furnace body comprising a sintering furnace chamber, two through ports and an exhaust pipe, the two through ports are respectively opened at two sides of the sintering furnace chamber, and the exhaust pipe is arranged at the top of the sintering furnace chamber; two shielding mechanisms, the two shielding mechanisms are respectively arranged at two sides of the sintering furnace chamber, the shielding mechanisms are used to shield the through ports, the shielding mechanisms comprise a mounting frame, a motor, a screw rod, two bevel teeth, a connecting block and a baffle, the mounting frame is fixedly mounted on an outer wall of one side of the sintering furnace chamber, the motor is arranged at the top of the mounting frame, the screw rod is rotatably mounted on the mounting frame, the two bevel teeth are respectively fixedly sleeved on the output shaft of the screw rod and the motor, and the two bevel teeth are meshed with each other, the connecting block is threadedly sleeved on the screw rod, and the baffle is fixedly mounted on the connecting block; a cleaning mechanism, the cleaning mechanism is arranged on the mounting frame, and the cleaning mechanism is a cleaning mechanism for cleaning impurities on the surface of metal parts to be sintered.

[0007] Preferably, the cleaning mechanism includes a fan, a connecting pipe, a hose, a vertical pipe, a diverter pipe and a plurality of air outlets, the fan is arranged on the top of the mounting frame, the connecting pipe is arranged on the air outlet end of the fan, the hose is arranged on one side of the baffle, and the hose and the connecting pipe are communicated, the vertical pipe is fixedly installed on one side outer wall of the baffle, and the vertical pipe and the hose are communicated, the diverter pipe is fixedly installed on one side outer wall of the baffle, the diverter pipe and the vertical pipe are communicated, and a plurality of air outlets are arranged on the diverter pipe.

[0008] Preferably, a filter box is provided on the air inlet end of the fan, and a protective cover is fixedly installed on the bottom of the mounting frame, and the protective cover is located outside the connecting pipe.

[0009] Preferably, a mounting groove is provided on one side outer wall of the sintering furnace, a sliding rod is fixedly installed in the mounting groove, a sliding block is fixedly installed on one side outer wall of the baffle, and the sliding block is slidably connected to the sliding rod.

[0010] Preferably, the sintering furnace is provided with a purification mechanism for purifying the waste gas discharged from the exhaust pipe, the purification mechanism includes a treatment box, a filter plate, an adsorbent plate, a purification box and a connecting pipe, the treatment box is fixedly installed on the top of the sintering furnace, and the treatment box is connected to the exhaust pipe, the filter plate and the adsorbent plate are both arranged in the treatment box, the purification box is fixedly installed on the top of the sintering furnace, the connecting pipe is arranged on the purification box, and the connecting pipe is connected to the treatment box.

[0011] Preferably, both inner walls of the treatment box are provided with card slots, the outer walls of the filter plate and the adsorbent plate are fixedly mounted with card strips, the card strips are matched with the card slots, and the treatment box is provided with a sealing door.

[0012] Preferably, a controller for controlling the motor and the fan is provided on one side of the mounting frame.

[0013] Compared with the related art, the powder metallurgy sintering furnace provided by the utility model that can prevent foreign matter has the following beneficial effects:

[0014] The utility model provides a powder metallurgy sintering furnace capable of preventing foreign matter:

[0015] 1. The powder metallurgy sintering furnace body can be used to sinter metal parts. The shielding mechanism can shield the opening to a certain extent. The cleaning mechanism can clean the impurities on the surface of the metal parts to be sintered, effectively preventing foreign matter from entering the sintering furnace through the opening, thereby improving the sintering effect of metal parts.

[0016] 2. The dust in the air can be filtered through the filter box, the protective cover can protect the hose, the slide bar and the slider cooperate with each other to limit the baffle, so that the screw rod can stably drive the baffle to move, and the exhaust gas generated by the powder metallurgy sintering furnace body can be processed through the purification mechanism to avoid pollution to the environment. The filter plate and the adsorbent plate can be conveniently fixed in the treatment box through the cooperation of the card slot and the card strip, and the filter plate and the adsorbent plate can be easily replaced, and the control operation can be conveniently performed through the controller. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A schematic diagram of the main structure of a preferred embodiment of a powder metallurgy sintering furnace capable of preventing foreign matter provided by the utility model;

[0018] Figure 2 It is a front view cross-sectional structural schematic diagram of the utility model;

[0019] Figure 3 for Figure 2 An enlarged structural diagram of part A shown in FIG.

[0020] Figure 4 It is a schematic diagram of the assembly of the hose, the vertical pipe and the protective cover in the utility model.

[0021] Numbers in the figure: 1. Powder metallurgy sintering furnace body; 101. Sintering furnace; 102. Through port; 103. Exhaust pipe; 2. Mounting frame; 3. Motor; 4. Screw; 5. Bevel gear; 6. Connecting block; 7. Baffle; 8. Fan; 9. Connecting pipe; 10. Hose; 11. Vertical pipe; 12. Diverter pipe; 13. Air outlet; 14. Protective cover; 15. Mounting groove; 16. Slide rod; 17. Sliding block; 18. Processing box; 19. Filter plate; 20. Adsorbent plate; 21. Purification box; 22. Connecting pipe. DETAILED DESCRIPTION

[0022] The utility model is further described below in conjunction with the accompanying drawings and implementation modes.

[0023] Please refer to Figure 1-Figure 4 ,in, Figure 1 A schematic diagram of the main structure of a preferred embodiment of a powder metallurgy sintering furnace capable of preventing foreign matter provided by the utility model; Figure 2 It is a front view cross-sectional structural schematic diagram of the utility model; Figure 3 for Figure 2 An enlarged structural diagram of part A shown in FIG. Figure 4 It is a schematic diagram of the assembly of the hose, the vertical pipe and the protective cover in the utility model.

[0024] A powder metallurgy sintering furnace capable of preventing foreign matter includes: a powder metallurgy sintering furnace body 1, the powder metallurgy sintering furnace body 1 includes a sintering furnace chamber 101, two through ports 102 and an exhaust pipe 103, the two through ports 102 are respectively opened on both sides of the sintering furnace chamber 101, and the exhaust pipe 103 is arranged at the top of the sintering furnace chamber 101; two shielding mechanisms, the two shielding mechanisms are respectively arranged on both sides of the sintering furnace chamber 101, the shielding mechanisms are used to shield the through ports 102, the shielding mechanisms include a mounting frame 2, a motor 3, a screw 4, two bevel teeth 5, a connecting block 6 and a baffle 7, the mounting frame 2 is fixedly mounted on one side outer wall of the sintering furnace chamber 101, the motor 3 is arranged on the top of the mounting frame 2, and the screw 4 is rotatably mounted on the mounting frame 2, the two bevel teeth 5 are fixedly sleeved on the screw rod 4 and the output shaft of the motor 3, and the two bevel teeth 5 are meshed with each other, the connecting block 6 is threadedly sleeved on the screw rod 4, and the baffle 7 is fixedly mounted on the connecting block 6; a cleaning mechanism, the cleaning mechanism is arranged on the mounting frame 2, the cleaning mechanism is used for cleaning impurities on the surface of the metal parts to be sintered, the metal parts can be sintered by the powder metallurgy sintering furnace body 1, the through port 102 can be shielded to a certain extent under the action of the shielding mechanism, the cleaning mechanism can clean the impurities on the surface of the metal parts to be sintered, and effectively prevent foreign matter from entering the sintering furnace 101 through the through port 102, thereby improving the sintering effect of the metal parts.

[0025] The cleaning mechanism includes a fan 8, a connecting pipe 9, a hose 10, a vertical pipe 11, a shunt pipe 12 and a plurality of air outlets 13. The fan 8 is arranged at the top of the mounting frame 2, the connecting pipe 9 is arranged on the air outlet end of the fan 8, the hose 10 is arranged on one side of the baffle 7, and the hose 10 is communicated with the connecting pipe 9, the vertical pipe 11 is fixedly installed on the outer wall of one side of the baffle 7, and the vertical pipe 11 is communicated with the hose 10, the shunt pipe 12 is fixedly installed on the outer wall of one side of the baffle 7, and the shunt pipe 12 is communicated with the vertical pipe 11, and a plurality of air outlets 13 are arranged on the shunt pipe 12. The cleaning mechanism can clean impurities on the surface of metal parts that need to be sintered.

[0026] A filter box is provided on the air inlet end of the fan 8, and a protective cover 14 is fixedly installed on the bottom of the mounting frame 2. The protective cover 14 is located outside the connecting pipe 9. Dust in the air can be filtered through the filter box, and the protective cover 14 can protect the hose 10.

[0027] An installation groove 15 is opened on one side outer wall of the sintering furnace 101, and a slide rod 16 is fixedly installed in the installation groove 15. A slider 17 is fixedly installed on one side outer wall of the baffle 7. The slider 17 is slidably connected to the slide rod 16. The mutual cooperation between the slide rod 16 and the slider 17 can limit the baffle 7, so that the screw rod 4 can stably drive the baffle 7 to move.

[0028] The sintering furnace 101 is provided with a purification mechanism for purifying the waste gas discharged from the exhaust pipe 103, and the purification mechanism includes a treatment box 18, a filter plate 19, an adsorbent plate 20, a purification box 21 and a connecting pipe 22. The treatment box 18 is fixedly installed on the top of the sintering furnace 101, and the treatment box 18 is connected to the exhaust pipe 103. The filter plate 19 and the adsorbent plate 20 are both arranged in the treatment box 18. The purification box 21 is fixedly installed on the top of the sintering furnace 101, and the connecting pipe 22 is arranged on the purification box 21, and the connecting pipe 22 is connected to the treatment box 18. The waste gas generated by the powder metallurgy sintering furnace body 1 can be treated by the purification mechanism to avoid pollution to the environment.

[0029] The inner walls on both sides of the processing box 18 are provided with card slots, and the outer walls of the filter plate 19 and the adsorbent plate 20 are fixedly installed with card strips, and the card strips are adapted to the card slots. The processing box 18 is provided with a sealed door, and the card slots and the card strips cooperate with each other to conveniently fix the filter plate 19 and the adsorbent plate 20 in the processing box 18, and at the same time, it is convenient to replace the filter plate 19 and the adsorbent plate 20.

[0030] A controller for controlling the motor 3 and the fan 8 is disposed on one side of the mounting frame 2, and control operations can be conveniently performed through the controller.

[0031] It is worth noting that the circuits, electronic components and modules involved in the present utility model are all prior art and can be fully implemented by those skilled in the art. Needless to say, the content protected by the present utility model does not involve improvements to software and methods.

[0032] The working principle of the powder metallurgy sintering furnace that can prevent foreign matter provided by the utility model is as follows:

[0033] This solution also has an electric control cabinet, which is installed on the equipment. When in use, each electrical device can be started and operated through the electric control cabinet. The power connection method of each electrical device is an existing mature technology, which is a well-known technology for people in this field and will not be described in detail here.

[0034] When in use, when sintering parts, first adjust the position of the baffle 7 on the through opening 102 according to the size of the parts, start the motor 3 through the controller, and under the action of the bevel gear 5, drive the screw rod 4 to rotate, and under the cooperation of the slide bar 16 and the slider 17, the baffle 7 is limited, so that the screw rod 4 drives the baffle 7 to adjust the use position, thereby adjusting the use height of the through opening 102, so that the height of the through opening 102 is more in line with the use height of the metal parts that need to enter the sintering furnace 101, thereby effectively avoiding the outside world. Foreign matter enters the sintering furnace 101 through the opening 102, and then the matter is placed on the corresponding placement rack, and the placement rack is placed on the conveying sintering net of the powder metallurgy sintering furnace body 1, so that the matter enters the powder metallurgy sintering furnace body 1 for sintering. At the same time, the fan 8 is started by the controller, and the air is blown onto the surface of the metal parts through the shunt pipe 12, so that the impurities on the surface of the metal parts are cleaned. During the whole operation, foreign matter can be effectively prevented from entering the sintering furnace 101, thereby improving the sintering effect of the metal parts.

[0035] During the sintering process, the exhaust gas enters the treatment box 18 through the exhaust pipe 103, the filter plate 19 can filter the impurities in the exhaust gas very well, and the adsorbent plate 20 can treat the ammonia and nitrogen oxides in the exhaust gas. The treated exhaust gas enters the purification box 21 through the connecting pipe 22 and reacts with the corresponding purification liquid, so as to further treat the sulfide in the exhaust gas and effectively reduce environmental pollution.

[0036] Compared with the related art, the powder metallurgy sintering furnace provided by the utility model that can prevent foreign matter has the following beneficial effects:

[0037] The utility model provides a powder metallurgy sintering furnace capable of preventing foreign matter from entering. The powder metallurgy sintering furnace body 1 can be used to perform sintering operations on metal parts. Under the action of the shielding mechanism, the through opening 102 can be shielded to a certain extent. The cleaning mechanism can clean the impurities on the surface of the metal parts to be sintered, effectively preventing foreign matter from entering the sintering furnace 101 through the through opening 102, thereby improving the sintering effect on the metal parts.

[0038] The dust in the air can be filtered through the filter box, the protective cover 14 can protect the hose 10, and the cooperation between the slide rod 16 and the slider 17 can limit the baffle 7, so that the screw rod 4 can stably drive the baffle 7 to move, and the exhaust gas generated by the powder metallurgy sintering furnace body 1 can be processed through the purification mechanism to avoid pollution to the environment. The filter plate 19 and the adsorbent plate 20 can be conveniently fixed in the processing box 18 through the cooperation of the card slot and the card strip, and the filter plate 19 and the adsorbent plate 20 can be conveniently replaced, and the control operation can be conveniently performed through the controller.

[0039] It should be noted that the equipment structure and drawings of the utility model mainly describe the principle of the utility model. In terms of the technology of the design principle, the settings of the power mechanism, power supply system and control system of the device are not fully described. However, on the premise that technical personnel in this field understand the principle of the above-mentioned utility model, they can clearly know the details of its power mechanism, power supply system and control system.

[0040] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A powder metallurgy sintering furnace capable of preventing foreign matter, characterized in that: include: A powder metallurgy sintering furnace body, the powder metallurgy sintering furnace body comprising a sintering furnace, two through ports and an exhaust pipe, the two through ports are respectively opened on both sides of the sintering furnace, and the exhaust pipe is arranged on the top of the sintering furnace; Two shielding mechanisms, the two shielding mechanisms are respectively arranged on both sides of the sintering furnace, the shielding mechanisms are used to shield the through opening, the shielding mechanisms include a mounting frame, a motor, a screw, two bevel teeth, a connecting block and a baffle, the mounting frame is fixedly mounted on one side outer wall of the sintering furnace, the motor is arranged on the top of the mounting frame, the screw is rotatably mounted on the mounting frame, the two bevel teeth are respectively fixedly sleeved on the screw and the output shaft of the motor, and the two bevel teeth are meshed with each other, the connecting block is threadedly sleeved on the screw, and the baffle is fixedly mounted on the connecting block; A cleaning mechanism is arranged on the mounting frame and is used to clean impurities on the surface of the metal parts to be sintered.

2. The powder metallurgy sintering furnace capable of preventing foreign matter according to claim 1, characterized in that: The cleaning mechanism includes a fan, a connecting pipe, a hose, a vertical pipe, a diverter pipe and a plurality of air outlets, wherein the fan is arranged on the top of the mounting frame, the connecting pipe is arranged on the air outlet end of the fan, the hose is arranged on one side of the baffle, and the hose and the connecting pipe are communicated, the vertical pipe is fixedly installed on one side outer wall of the baffle, and the vertical pipe and the hose are communicated, the diverter pipe is fixedly installed on one side outer wall of the baffle, the diverter pipe and the vertical pipe are communicated, and a plurality of air outlets are arranged on the diverter pipe.

3. The powder metallurgy sintering furnace capable of preventing foreign matter according to claim 2, characterized in that: A filter box is arranged on the air inlet end of the fan, and a protective cover is fixedly installed on the bottom of the mounting frame, and the protective cover is located outside the connecting pipe.

4. The powder metallurgy sintering furnace capable of preventing foreign matter according to claim 1, characterized in that: An installation groove is provided on one side outer wall of the sintering furnace, a slide bar is fixedly installed in the installation groove, a slider is fixedly installed on one side outer wall of the baffle, and the slider is slidably connected to the slide bar.

5. The powder metallurgy sintering furnace capable of preventing foreign matter according to claim 1, characterized in that: The sintering furnace is provided with a purification mechanism for purifying the waste gas discharged from the exhaust pipe, and the purification mechanism includes a treatment box, a filter plate, an adsorbent plate, a purification box and a connecting pipe. The treatment box is fixedly installed on the top of the sintering furnace, and the treatment box is connected to the exhaust pipe. The filter plate and the adsorbent plate are both arranged in the treatment box, and the purification box is fixedly installed on the top of the sintering furnace. The connecting pipe is arranged on the purification box, and the connecting pipe is connected to the treatment box.

6. The powder metallurgy sintering furnace capable of preventing foreign matter according to claim 5, characterized in that: The inner walls on both sides of the treatment box are provided with card slots, the outer walls of the filter plate and the adsorbent plate are fixedly mounted with card strips, the card strips are adapted to the card slots, and the treatment box is provided with a sealing door.

7. The powder metallurgy sintering furnace capable of preventing foreign matter according to claim 2, characterized in that: A controller for controlling the motor and the fan is arranged on one side of the mounting frame.

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