Circulating sintering furnace

Abstract

The utility model relates to the technical field of sintering furnaces, and discloses a circulation type sintering furnace which comprises a sintering furnace body, a mounting plate and an isolation door, the mounting plate is rotationally arranged on one side of the sintering furnace body, the isolation door is arranged on one side of the mounting plate, a furnace cavity used for machining metal powder is formed in the sintering furnace body, and the isolation door is arranged on the other side of the mounting plate. One side wall of the isolation door is fixedly connected with a connecting block used for supporting the isolation door. A connecting groove used for supporting the connecting block is formed in one side wall of the mounting plate, a fixing frame is fixedly connected to one side wall of the mounting plate, a rotating shaft is rotationally connected to an inner cavity of the fixing frame, and a gear and a worm wheel are fixedly connected to the two sides, away from each other, of the outer side wall of the rotating shaft; according to the scheme, during regular disassembly and maintenance, disassembly and assembly of the isolation door are facilitated, the labor intensity of workers is reduced, impurities on the inner wall of the isolation door are cleaned through the scraper, and the machining efficiency of the sintering furnace is guaranteed.

Description

Technical Field

[0001] The utility model belongs to the technical field of sintering furnaces, in particular to a circulating sintering furnace. Background Art

[0002] During the metal processing, a sintering furnace is usually used for processing. A sintering furnace refers to a special equipment that allows powder compacts to obtain the required physical, mechanical properties and microstructure through sintering. A circulating sintering furnace is a working cycle of opening the furnace, feeding the compacts into the furnace, sintering and taking the sintered parts out of the furnace at a certain time interval. Its advantages are that it can carry out a variety of special sintering, uses less gas, can reach high temperatures that cannot be reached by continuous sintering furnaces, and is easy to apply vacuum, etc., which includes vacuum sintering furnaces.

[0003] The utility model patent with patent application publication number 202020174529.6 discloses a vacuum sintering furnace, which includes: a furnace and a furnace core arranged in the furnace, wherein: a gap is arranged between the furnace core and the furnace, the furnace core includes an outer frame and a heating element arranged in the outer frame, and an opening is arranged in the lower part of the outer frame; a material receiving piece made of high temperature resistant material is arranged in the furnace, and the material receiving piece is located directly below the opening, which solves the problem that the carbon felt in the furnace core is easily blocked after multiple sintering, thereby causing unstable vacuum in the furnace body, resulting in color difference in the sintered product and shortened service life of the furnace core.

[0004] However, the above device still has shortcomings in actual use. The most obvious one is that during the operation of the sintering furnace, the powder processing area needs to be sealed and isolated by an isolation door. The isolation door needs to be disassembled and maintained regularly during use. The isolation door is usually installed with multiple sets of bolts, which is not convenient for disassembly and assembly of the isolation door, increasing the labor intensity of the staff. After long-term use, solid impurities are easily generated on the inner wall of the isolation door, affecting the sintering of the metal powder. It is not easy to clean and reduces the processing efficiency of the sintering furnace. For this reason, we propose a circulating sintering furnace. Utility Model Content

[0005] The purpose of the utility model is to provide a circulating sintering furnace to solve the problems raised in the above background technology.

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

[0007] The present application is specifically as follows: a circulating sintering furnace, comprising: a sintering furnace body, a mounting plate and an isolation door, wherein the mounting plate is rotatably arranged on one side of the sintering furnace body, the isolation door is arranged on one side of the mounting plate, the sintering furnace body is provided with a furnace chamber for processing metal powder, and one side wall of the isolation door is fixedly connected with a connecting block for supporting the isolation door;

[0008] A connecting groove for supporting a connecting block is provided on one side wall of the mounting plate, a fixing frame is fixedly connected to one side wall of the mounting plate, a rotating shaft is rotatably connected to the inner cavity of the fixing frame, a gear and a worm gear are fixedly connected to the two sides of the outer wall of the rotating shaft which are away from each other, a rotating mechanism for driving the worm gear to rotate is provided on the fixing frame, a rack is slidably connected to the inner cavity of the mounting plate, a moving block is fixedly connected to the end of the rack, and a limiting rod for limiting the connecting block is fixedly connected to the adjacent sides of the moving blocks.

[0009] As a preferred technical solution of the present application, the inner cavity of the furnace cavity is provided with a heating element for processing metal powder and a supporting plate for supporting the metal powder.

[0010] As a preferred technical solution of the present application, the rotating mechanism includes a worm, which is rotatably connected to the inner cavity of the fixed frame and meshing with the worm wheel. One end of the worm passes through the inner cavity of the fixed frame and is fixedly connected to a turntable.

[0011] As a preferred technical solution of the present application, the inner side wall of the connecting groove is provided with a through hole for facilitating the sliding of the limiting rod, and the top and bottom of the inner cavity of the fixing frame are provided with through grooves for facilitating the sliding of the moving block.

[0012] As a preferred technical solution of the present application, a side wall of the mounting plate is threadedly connected with a screw rod for limiting the connecting block, and a rotating head is provided at the end of the screw rod to facilitate the rotation of the screw rod.

[0013] As a preferred technical solution of the present application, a side wall of the sintering furnace body is fixedly connected to a support frame, and the mounting plate is rotatably connected to the inner cavity of the support frame via a rotating shaft.

[0014] As a preferred technical solution of the present application, the outer side wall of the connecting block is fixedly connected with a limiting groove for connecting a limiting rod, and a side wall of the connecting block close to the sintering furnace body is rotatably connected with a scraper for cleaning impurities.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] In the scheme of this application:

[0017] 1. A connecting block is arranged on the isolation door, and a limit rod is arranged to cooperate with the limit groove to install the connecting block on the mounting plate. The worm is driven to rotate by the turntable, and the worm drives the worm wheel and the rotating shaft to rotate. The rotating shaft drives the gear to rotate. Since the gear is meshed with the rack, the rack slides on the fixed frame, so that the gear can drive the rack to move relatively longitudinally when rotating. The moving block and the limit rod are driven to move relatively longitudinally by the rack, and the limit rod is moved out of or into the limit groove, and the positioning of the screw is cooperated to realize the disassembly and assembly of the isolation door. During regular disassembly and maintenance, the disassembly and assembly of the isolation door is convenient, which reduces the labor intensity of the staff.

[0018] 2. By setting a scraper, when the isolation door is opened, the scraper is rotated around the axis of the isolation door, and the impurities on the inner wall of the isolation door are cleaned by the scraper, thereby ensuring the processing efficiency of the sintering furnace. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation to the present invention.

[0020] In the attached picture:

[0021] Figure 1 A three-dimensional diagram of a circulating sintering furnace provided for this application;

[0022] Figure 2 A schematic diagram of the open structure of the circulating sintering furnace provided in this application;

[0023] Figure 3 A schematic diagram of the isolation door structure of the circulating sintering furnace provided in this application;

[0024] Figure 4 A schematic diagram of the mounting plate structure of the circulating sintering furnace provided in this application;

[0025] Figure 5 This is a schematic diagram of the internal disassembled structure of the mounting plate of the circulating sintering furnace provided in this application.

[0026] In the figure: 100, sintering furnace body; 110, furnace chamber; 120, support frame; 200, mounting plate; 210, connecting groove; 220, fixing frame; 230, rotating shaft; 231, gear; 232, worm gear; 233, worm; 240, rack; 241, moving block; 242, limiting rod; 250, screw; 300, isolation door; 310, connecting block; 320, limiting groove; 330, scraper. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0028] See also Figure 1-5The circulating sintering furnace comprises: a sintering furnace body 100, a mounting plate 200 and an isolation door 300. The mounting plate 200 is rotatably arranged on one side of the sintering furnace body 100. The mounting plate 200 is used to drive the isolation door 300 to rotate. The isolation door 300 is used to seal and isolate the processing part of the sintering furnace body 100. The isolation door 300 is arranged on one side of the mounting plate 200. A furnace chamber 110 for processing metal powder is arranged on the sintering furnace body 100. The furnace chamber 110 is used for processing powder. A connecting block 310 for supporting the isolation door 300 is fixedly connected to one side wall of the isolation door 300, and the isolation door 300 is supported by the connecting block 310; a connecting groove 210 for supporting the connecting block 310 is opened on one side wall of the mounting plate 200. The connecting block 310 is installed in the connecting groove 210 and limits the connecting block 310. A fixing frame 220 is fixedly connected to one side wall of the mounting plate 200. The fixed frame 220 is used to support the rotating shaft 230 and the rack 240. The inner cavity of the fixed frame 220 is rotatably connected with the rotating shaft 230. The outer side walls of the rotating shaft 230 are fixedly connected with a gear 231 and a worm gear 232 on both sides away from each other. The worm gear 232 is used to drive the rotating shaft 230 to rotate. The rotating shaft 230 drives the gear 231 to rotate. A rotating mechanism for driving the worm gear 232 to rotate is provided on the fixed frame 220. The gear 231 drives the rack 240 to move relatively longitudinally. The inner cavity of the mounting plate 200 is slidably connected with the rack 240. The end of the rack 240 is fixedly connected with a moving block 241. The moving block 241 and the limiting rod 242 are driven to move relatively longitudinally through the rack 240. The side of the moving block 241 that is close to each other is fixedly connected with a limiting rod 242 for limiting the connecting block 310. The connecting block 310 is limited by the limiting rod 242 cooperating with the limiting groove 320.

[0029] See also Figure 2 The inner cavity of the furnace cavity 110 is provided with a heating element for processing metal powder and a supporting plate for supporting the metal powder.

[0030] See also Figure 5 The rotating mechanism includes a worm 233, which is rotatably connected to the inner cavity of the fixed frame 220 and meshing with the worm wheel 232. One end of the worm 233 passes through the inner cavity of the fixed frame 220 and is fixedly connected to a turntable. The turntable drives the worm 233 to rotate, and the worm 233 drives the worm wheel 232 to rotate.

[0031] See also Figure 1-4 The inner side wall of the connecting groove 210 is provided with a through hole for facilitating the sliding of the limiting rod 242 , and the top and bottom of the inner cavity of the fixing frame 220 are provided with through grooves for facilitating the sliding of the moving block 241 .

[0032] See also Figure 1-4A screw rod 250 for limiting the connection block 310 is threadedly connected to one side wall of the mounting plate 200. A rotating head is provided at the end of the screw rod 250 to facilitate the rotation of the screw rod 250. The screw rod 250 is driven to rotate on the mounting plate 200 by the rotating head. Due to the rotation and movement of the screw rod 250, the connection block 310 is limited.

[0033] See also Figure 1 and Figure 2 A support frame 120 is fixedly connected to one side wall of the sintering furnace body 100 , and the mounting plate 200 is rotatably connected to the inner cavity of the support frame 120 through a rotating shaft, and the mounting plate 200 is rotatably connected to the support frame 120 .

[0034] See also Figure 2 The outer wall of the connecting block 310 is fixedly connected with a limiting groove 320 for connecting the limiting rod 242, and the side wall of the connecting block 310 close to the sintering furnace body 100 is rotatably connected with a scraper 330 for cleaning impurities, and the inner wall of the sintering furnace body 100 is cleaned by the rotation of the scraper 330.

[0035] Specifically, when the device is in use, the isolation door 300 is first installed in the connection groove 210 through the connection block 310, and the connection block 310 is limited by the limit rod 242 in cooperation with the limit groove 320. When the isolation door 300 needs to be disassembled, the turntable is rotated to drive the worm 233 to rotate through the turntable, and the worm 233 drives the worm wheel 232 and the rotating shaft 230 to rotate, and the rotating shaft 230 drives the gear 231 to rotate. At this time, the gear 231 drives the rack 240 and the shift The movable block 241 moves relatively longitudinally, and the limiting rod 242 is driven by the movable block 241 to move relatively longitudinally, so that the limiting rod 242 moves out of the limiting groove 320, and the screw 250 is driven to rotate by rotating the rotating head, and the screw 250 loosens the connecting block 310, so that the connecting block 310 loses the limit, and the isolation door 300 is disassembled. After opening the isolation door 300, the scraper 330 can be rotated to clean the inner wall of the isolation door 300, and the use is completed.

[0036] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0037] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. Circulating sintering furnace, including: A sintering furnace body (100), a mounting plate (200) and an isolation door (300), wherein the mounting plate (200) is rotatably arranged on one side of the sintering furnace body (100), and the isolation door (300) is arranged on one side of the mounting plate (200), characterized in that: The sintering furnace body (100) is provided with a furnace chamber (110) for processing metal powder, and a connection block (310) for supporting the isolation door (300) is fixedly connected to one side wall of the isolation door (300); A connecting groove (210) for supporting a connecting block (310) is provided on one side wall of the mounting plate (200); a fixing frame (220) is fixedly connected to one side wall of the mounting plate (200); a rotating shaft (230) is rotatably connected to the inner cavity of the fixing frame (220); a gear (231) and a worm wheel (232) are fixedly connected to the two sides of the outer wall of the rotating shaft (230) which are away from each other; a rotating mechanism for driving the worm wheel (232) to rotate is provided on the fixing frame (220); a rack (240) is slidably connected to the inner cavity of the mounting plate (200); a moving block (241) is fixedly connected to the end of the rack (240); and a limiting rod (242) for limiting the connecting block (310) is fixedly connected to the adjacent sides of the moving block (241).

2. The circulating sintering furnace according to claim 1, characterized in that: The inner cavity of the furnace cavity (110) is provided with a heating element for processing metal powder and a supporting plate for supporting the metal powder.

3. The circulating sintering furnace according to claim 1, characterized in that: The rotating mechanism comprises a worm (233), the worm (233) being rotatably connected to the inner cavity of the fixed frame (220) and meshing with the worm wheel (232), one end of the worm (233) passing through the inner cavity of the fixed frame (220) and being fixedly connected to a rotating disk.

4. The circulating sintering furnace according to claim 1, characterized in that: The inner side wall of the connecting groove (210) is provided with a through hole for facilitating the sliding of the limiting rod (242), and the top and bottom of the inner cavity of the fixing frame (220) are both provided with through grooves for facilitating the sliding of the moving block (241).

5. The circulating sintering furnace according to claim 1, characterized in that: A screw rod (250) for limiting the connection block (310) is threadedly connected to one side wall of the mounting plate (200), and a rotating head is provided at the end of the screw rod (250) to facilitate the rotation of the screw rod (250).

6. The circulating sintering furnace according to claim 1, characterized in that: A support frame (120) is fixedly connected to one side wall of the sintering furnace body (100), and the mounting plate (200) is rotatably connected to the inner cavity of the support frame (120) via a rotating shaft.

7. The circulating sintering furnace according to claim 1, characterized in that: The outer side wall of the connection block (310) is fixedly connected with a limit groove (320) for connecting a limit rod (242), and a side wall of the connection block (310) close to the sintering furnace body (100) is rotatably connected with a scraper (330) for cleaning impurities.

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