Sintering furnace for hard alloy production

Abstract

The utility model is applicable to the technical field of hard alloy production, and provides a sintering furnace for hard alloy production, which comprises a sintering furnace body for producing hard alloy, the sintering furnace body comprises a furnace body, a storage rack and a baffle door, the storage rack is fixedly mounted in the furnace body, and the baffle door is assembled on the furnace body; the motor is fixedly mounted on the outer wall of one side of the furnace body; the lead screw is rotationally mounted on the furnace body, and one end of the lead screw is fixedly connected with an output shaft of the motor; the driving block is arranged on the lead screw in a threaded and sleeving manner; and the cleaning frame is arranged on the driving block and is used for cleaning dust and impurities adhered to the inner wall of the furnace body. According to the sintering furnace for hard alloy production, hard alloy can be produced and machined, meanwhile, dust and impurities adhering to the inner wall of the top of the furnace body can be conveniently and rapidly cleaned, heat energy transfer of the sintering furnace is improved, and then the overall using effect of the sintering furnace is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of hard alloy production, in particular to a sintering furnace for hard alloy production. Background Art

[0002] Cemented carbide is an alloy material made of hard compounds of refractory metals and bonding metals through powder metallurgy. In the process of processing cemented carbide, a sintering furnace is required. The sintering furnace refers to a special equipment that allows the powder compact to obtain the required physical, mechanical properties and microstructure through sintering, thereby sintering the cemented carbide.

[0003] When using a sintering furnace to sinter cemented carbide, dust and impurities are easily adhered to the inner wall of the sintering furnace during long-term use. The adhered dust and impurities are easy to affect the heat transfer of the sintering furnace. Some common ways to clean the inner wall of the sintering furnace are mostly manual cleaning with a cleaning brush. It is relatively convenient to clean the dust at the bottom of the sintering furnace, but it is more troublesome to clean the top of the sintering furnace, which increases the operating burden on the staff and is also prone to poor cleaning effect. Utility Model Content

[0004] The utility model provides a sintering furnace for producing cemented carbide, aiming to solve the problem that the currently used sintering furnace is inconvenient to clean the dust and impurities adhered to the furnace top, as mentioned in the above background technology.

[0005] To solve the above problems, the utility model is implemented as follows: a sintering furnace for cemented carbide production, comprising a sintering furnace body for producing cemented carbide, the sintering furnace body comprising a furnace body, a storage rack and a baffle, the storage rack is fixedly installed in the furnace body, and the baffle is assembled on the furnace body; a motor is fixedly installed on the outer wall of one side of the furnace body; a screw rod rotatably installed on the furnace body, one end of the screw rod is fixedly connected to the output shaft of the motor; a driving block threadedly sleeved on the screw rod; a cleaning frame arranged on the driving block, the cleaning frame is used to clean dust and impurities adhered to the inner wall of the furnace body, a scraper is fixedly installed on the cleaning frame, and the scraper is in contact with the inner wall of the furnace body; a collecting mechanism assembled on the driving block, the collecting mechanism is used to collect fine dust cleaned by the cleaning frame.

[0006] Preferably, the collecting mechanism comprises: a placing rack mounted on the driving block; a placing box arranged on the placing rack; a negative pressure fan fixedly installed in the placing box; a filter bag fixedly installed in the placing box, the filter bag being used to collect fine dust cleaned by the cleaning rack; a hose fixedly installed on the placing box; a connector fixedly installed on the cleaning rack, the connector and the hose being detachably connected; and a plurality of collecting ports opened on the cleaning rack, the collecting ports being used to collect dust.

[0007] Preferably, a connecting mechanism is provided on the driving block and the placing frame, and the connecting mechanism is used to connect the driving block and the placing frame. The connecting mechanism includes: a positioning frame fixedly installed on the top of the placing frame; and a connecting frame fixedly installed on the bottom of the driving block, and the connecting frame and the positioning frame are adapted to each other.

[0008] Preferably, a guide mechanism is provided inside the furnace body, and the guide mechanism is used to guide the movement of the cleaning rack, and the guide mechanism includes: a guide rod fixedly installed inside the furnace body; a guide block slidably arranged on the guide rod; a mounting block fixedly installed on the guide block; a connecting block fixedly installed on the cleaning rack, and connecting bolts are provided on the connecting block and the mounting block, and the connecting block is connected to the mounting block via the connecting bolts.

[0009] Preferably, a disassembly mechanism is provided on the driving block and the cleaning frame, and the disassembly mechanism includes: a fixing piece fixedly installed on the cleaning frame; a positioning block fixedly installed on the top of the driving block, the positioning block and the fixing piece are adapted, a positioning bolt is provided on the positioning block, and the positioning block is fixedly connected to the fixing piece through the positioning bolt.

[0010] Preferably, a limiting rod is fixedly installed inside the furnace body, the limiting rod is slidably connected to the driving block, and the limiting rod is used to limit the driving block.

[0011] Preferably, a controller is provided on one side of the furnace body, and the controller is used to control the motor.

[0012] Compared with the related art, the sintering furnace for cemented carbide production provided by the utility model has the following beneficial effects:

[0013] Compared with the existing technology, the sintering furnace for cemented carbide production provided by this solution has the following advantages:

[0014] The sintering furnace body can be used to produce and process cemented carbide. The motor can drive the screw to rotate, thereby driving the cleaning frame on the driving block to move to clean the dust adhered to the inner wall of the top of the furnace body. The staff does not need to perform cleaning operations, which provides convenience for the staff. The collection mechanism can collect the scraped fine dust. During the entire operation process, the dust and impurities adhered to the inner wall of the top of the furnace body can be cleaned quickly and conveniently, thereby improving the heat energy transfer of the sintering furnace body and thereby improving the overall use effect of the sintering furnace body. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the main structure of a sintering furnace for cemented carbide production provided by the utility model;

[0016] Figure 2 It is a schematic diagram of the main cross-sectional structure of the utility model;

[0017] Figure 3 It is a rear view structural schematic diagram of the utility model;

[0018] Figure 4 for Figure 2 An enlarged structural diagram of part A shown in FIG.

[0019] Figure 5 for Figure 2 An enlarged schematic diagram of the structure of part B shown in FIG.

[0020] Figure 6 It is a structural schematic diagram of the connecting frame and the positioning frame in the utility model.

[0021] 1. Sintering furnace body; 101. Furnace body; 102. Storage rack; 103. Door stop; 2. Motor; 3. Screw rod; 4. Driving block; 5. Cleaning rack; 501. Scraper; 6. Collecting mechanism; 601. Placement rack; 602. Placement box; 603. Negative pressure fan; 604. Filter bag; 605. Hose; 606. Connector; 607. Collecting port; 7. Positioning rack; 8. Connecting rack; 9. Guide rod; 10. Guide block; 11. Mounting block; 12. Connecting block; 13. Connecting bolt; 14. Fixing piece; 15. Positioning block; 16. Positioning bolt. DETAILED DESCRIPTION

[0022] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by technicians in the technical field of the present application; the terms used in the specification of the application herein are only for the purpose of describing specific embodiments and are not intended to limit the present application; the terms "including" and "having" in the specification and claims of the present application and the above-mentioned figure descriptions and any variations thereof are intended to cover non-exclusive inclusions. The terms "first", "second", etc. in the specification and claims of the present application or the above-mentioned figures are used to distinguish different objects, rather than to describe a specific order; the terms "inside", "outside", "left", and "right" indicate directions or positional relationships based on the directions or positional relationships shown in the drawings, which are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention.

[0023] Reference to "embodiments" herein means that a particular feature, structure, or characteristic described in conjunction with the embodiments may be included in at least one embodiment of the present application. The appearance of the phrase in various locations in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0024] The utility model embodiment provides a sintering furnace for cemented carbide production, such as Figure 1-6 As shown, the sintering furnace for cemented carbide production includes a sintering furnace body 1 for producing cemented carbide, the sintering furnace body 1 includes a furnace body 101, a storage rack 102 and a baffle 103, the storage rack 102 is fixedly installed in the furnace body 101, and the baffle 103 is assembled on the furnace body 101; a motor 2 is fixedly installed on the outer wall of one side of the furnace body 101; a screw rod 3 rotatably installed on the furnace body 101, one end of the screw rod 3 is fixedly connected to the output shaft of the motor 2; a driving block 4 threadedly sleeved on the screw rod 3; a cleaning frame 5 arranged on the driving block 4, the cleaning frame 5 is used to clean the dust and impurities adhered to the inner wall of the furnace body 101, a scraper 501 is fixedly installed on the cleaning frame 5, and the scraper 501 is in contact with the inner wall of the furnace body 101; a collecting mechanism 6 assembled on the driving block 4, the collecting mechanism 6 is used to collect the fine dust cleaned by the cleaning frame 5.

[0025] In this embodiment, the metal material for making cemented carbide is put into the furnace body 101, and the cemented carbide is sintered by the sintering furnace body 1. During the long-term use of the sintering furnace body 1, when it is necessary to clean the dust and impurities adhered to the top of the furnace body 101, the collecting mechanism 6 and the driving block 4 are connected. When the sintering furnace body 1 is in normal use, the collecting mechanism 6 needs to be disassembled, and the motor 2 is started by the controller to perform a certain forward and reverse rotation, thereby driving the screw rod 3 to rotate. Under the limiting effect of the limiting rod on the driving block 4, the screw rod 3 drives the driving block 4 to move, thereby driving the scraper 501 on the cleaning frame 5 to move back and forth, and the dust adhered to the inner wall of the top of the furnace body 101 is scraped and cleaned. At the same time, the collecting mechanism 6 is started during cleaning to collect the scraped fine dust. During the whole operation process, the dust and impurities adhered to the inner wall of the top of the furnace body 101 can be cleaned conveniently and quickly, the heat energy transfer of the sintering furnace body 1 is improved, and then the overall use effect of the sintering furnace body 1 is improved.

[0026] In a further preferred embodiment of the utility model, the collecting mechanism 6 includes: a placement rack 601 assembled on the driving block 4; a placement box 602 arranged on the placement rack 601; a negative pressure fan 603 fixedly installed in the placement box 602; a filter bag 604 fixedly installed in the placement box 602, and the filter bag 604 is used to collect fine dust cleaned by the cleaning rack 5; a hose 605 fixedly installed on the placement box 602; a connector 606 fixedly installed on the cleaning rack 5, and the connector 606 and the hose 605 are detachable for connection; and a plurality of collection ports 607 opened on the cleaning rack 5, and the collection ports 607 are used to collect dust.

[0027] In this embodiment, when using the collection mechanism 6, the hose 605 and the connector 606 are connected, and the negative pressure fan 603 is started to form a negative pressure in the collection port 607. The dust and impurities scraped off by the scraper 501 enter the filter bag 604 through the collection port 607, thereby collecting the fine dust cleaned by the cleaning rack 5, reducing the generation of dust in the furnace body 101, and some larger impurities fall to the bottom of the furnace body 101 due to gravity, and the staff can clean them up later.

[0028] In a further preferred embodiment of the utility model, a connecting mechanism is provided on the driving block 4 and the placement rack 601, and the connecting mechanism is used to connect the driving block 4 and the placement rack 601, and the connecting mechanism includes: a positioning frame 7 fixedly installed on the top of the placement rack 601; a connecting frame 8 fixedly installed on the bottom of the driving block 4, and the connecting frame 8 is adapted to the positioning frame 7.

[0029] In this embodiment, when the placement frame 601 and the driving block 4 are connected, the positioning frame 7 can be clamped on the connecting frame 8, so as to facilitate the disassembly and installation of the collecting mechanism 6.

[0030] In a further preferred embodiment of the utility model, a guiding mechanism is provided inside the furnace body 101, and the guiding mechanism is used to guide the movement of the cleaning rack 5, and the guiding mechanism includes: a guide rod 9 fixedly installed inside the furnace body 101; a guide block 10 slidably arranged on the guide rod 9; a mounting block 11 fixedly installed on the guide block 10; a connecting block 12 fixedly installed on the cleaning rack 5, and connecting bolts 13 are provided on the connecting block 12 and the mounting block 11, and the connecting block 12 is connected to the mounting block 11 through the connecting bolts 13.

[0031] In this embodiment, when the cleaning rack 5 moves to clean the inner wall of the furnace body 101, the cleaning rack 5 drives the guide block 10 to move on the guide rod 9, thereby improving the stability of the cleaning rack 5 when moving. With the cooperation of the connecting block 12, the mounting block 11 and the connecting bolts 13, it is convenient to disassemble the guide block 10 and the cleaning rack 5, thereby facilitating the subsequent inspection and maintenance of the cleaning rack 5.

[0032] In a further preferred embodiment of the utility model, a disassembly mechanism is provided on the driving block 4 and the cleaning frame 5, and the disassembly mechanism includes: a fixing member 14 fixedly mounted on the cleaning frame 5; a positioning block 15 fixedly mounted on the top of the driving block 4, the positioning block 15 and the fixing member 14 are adapted to each other, and a positioning bolt 16 is provided on the positioning block 15, and the positioning block 15 is fixedly connected to the fixing member 14 through the positioning bolt 16.

[0033] In this embodiment, the cleaning frame 5 and the driving block 4 can be disassembled conveniently by the cooperation of the fixing member 14 , the positioning block 15 and the positioning bolt 16 , thereby facilitating the subsequent inspection and maintenance of the cleaning frame 5 .

[0034] In a further preferred embodiment of the utility model, a limiting rod is fixedly installed inside the furnace body 101 , the limiting rod is slidably connected to the driving block 4 , and the limiting rod is used to limit the driving block 4 .

[0035] In this embodiment, the driving block 4 can be limited by the limiting rod, so that the screw rod 3 can stably drive the cleaning frame 5 on the driving block 4 to move.

[0036] In a further preferred embodiment of the present invention, a controller is disposed on one side of the furnace body 101 , and the controller is used to control the motor 2 .

[0037] In this embodiment, the control operation is conveniently performed through a controller.

[0038] To sum up, compared with the relevant technology, cemented carbide can be produced and processed through the sintering furnace body 1, the motor 2 can drive the screw 3 to rotate, thereby driving the cleaning frame 5 on the driving block 4 to move to clean the dust adhered to the top inner wall of the furnace body 101, and the staff does not need to perform cleaning operations, which provides convenience for the staff. The collecting mechanism 6 collects the scraped fine dust. During the entire operation process, the dust and impurities adhered to the top inner wall of the furnace body 101 can be cleaned quickly and conveniently, thereby improving the heat energy transfer of the sintering furnace body 1, and thereby improving the overall use effect of the sintering furnace body 1.

[0039] In the several embodiments provided in this application, it should be understood that the disclosed device can be implemented in other ways.

[0040] The above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit the protection scope of the utility model. Obviously, the described embodiments are only some embodiments of the utility model, rather than all embodiments. Based on these embodiments, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model. Although the utility model has been described in detail with reference to the above embodiments, ordinary technicians in this field can still combine, add, delete or make other adjustments to the features in the various embodiments of the utility model according to the circumstances without conflict, without making creative work, so as to obtain different other technical solutions that do not deviate from the concept of the utility model in essence, and these technical solutions also belong to the scope of protection of the utility model.

Claims

1. A sintering furnace for cemented carbide production, characterized in that: include: A sintering furnace body for producing cemented carbide, the sintering furnace body comprising a furnace body, a storage rack and a baffle, the storage rack is fixedly installed in the furnace body, and the baffle is assembled on the furnace body; A motor fixedly mounted on an outer wall of one side of the furnace body; Rotating a screw rod installed on the furnace body, one end of the screw rod is fixedly connected to the output shaft of the motor; A driving block threadably sleeved on the lead screw; A cleaning frame is arranged on the driving block, the cleaning frame is used to clean the dust and impurities adhering to the inner wall of the furnace body, a scraper is fixedly mounted on the cleaning frame, and the scraper is in contact with the inner wall of the furnace body; A collecting mechanism is mounted on the driving block, and is used to collect the fine dust cleaned by the cleaning frame.

2. The sintering furnace for cemented carbide production according to claim 1, characterized in that: The collection agencies include: A placement frame mounted on the driving block; A placement box disposed on the placement rack; A negative pressure fan fixedly installed in the placement box; A filter bag fixedly installed in the placement box, the filter bag is used to collect fine dust cleaned by the cleaning frame; A hose fixedly mounted on the placement box; A connector fixedly mounted on the cleaning frame, wherein the connector and the hose are detachably connected; A plurality of collecting ports are provided on the cleaning frame, and the collecting ports are used for collecting dust.

3. The sintering furnace for cemented carbide production according to claim 2, characterized in that: The driving block and the placement rack are provided with a connecting mechanism, and the connecting mechanism is used to connect the driving block and the placement rack, and the connecting mechanism includes: A positioning frame fixedly mounted on the top of the placement frame; A connecting frame is fixedly mounted on the bottom of the driving block, and the connecting frame is matched with the positioning frame.

4. The sintering furnace for cemented carbide production according to claim 1, characterized in that: A guide mechanism is provided inside the furnace body, and the guide mechanism is used to guide the movement of the cleaning rack, and the guide mechanism includes: A guide rod fixedly mounted inside the furnace body; A guide block slidably disposed on the guide rod; A mounting block fixedly mounted on the guide block; A connecting block is fixedly mounted on the cleaning frame, and connecting bolts are arranged on the connecting block and the mounting block, and the connecting block is connected to the mounting block via the connecting bolts.

5. The sintering furnace for producing cemented carbide according to claim 1, characterized in that: The driving block and the cleaning frame are provided with a disassembly mechanism, and the disassembly mechanism comprises: A fixing member fixedly mounted on the cleaning frame; A positioning block is fixedly mounted on the top of the driving block, the positioning block is matched with the fixing piece, a positioning bolt is arranged on the positioning block, and the positioning block is fixedly connected with the fixing piece through the positioning bolt.

6. The sintering furnace for producing cemented carbide according to claim 1, characterized in that: A limiting rod is fixedly installed inside the furnace body, the limiting rod is slidably connected to the driving block, and the limiting rod is used to limit the driving block.

7. The sintering furnace for producing cemented carbide according to claim 1, characterized in that: A controller is disposed on one side of the furnace body, and the controller is used to control the motor.

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