阅读说明：本技术 一种多罩体连续式钟罩炉 (Multi-hood continuous bell-jar furnace ) 是由 王磊 王峥 方松 徐洋 曹成杰 于 2021-10-25 设计创作，主要内容包括：本发明涉及钟罩炉技术领域,且公开了一种多罩体连续式钟罩炉,包括框架、加热炉和炉门,所述框架的内侧位于加热炉的两侧均设置有冷却炉,所述框架的前方对应加热炉和冷却炉分别设置有用于其位置滑移的液压缸,所述加热炉的内部固定架上卡接有多个加热元件,所述加热元件通过外部控制机构进行加热温度控制,本方案,通过在加热炉上采用纤维模块折叠拼装,以提升炉体的使用寿命和耐久度,加热炉的内部环形均匀分布多个MoSi-(2)U型硅钼棒,且采用纤维制夹具进行夹持,既能实现整体安装、更换亦能单独更换,提升装置的实用性,利用在加热炉内部设置热电偶控温、测温,实现对于炉内温度的精确掌控,提升装置的安全性。(The invention relates to the technical field of bell-jar furnaces, and discloses a multi-hood continuous bell-jar furnace, which comprises a frame, a heating furnace and a furnace door, wherein cooling furnaces are arranged on the inner side of the frame and positioned on two sides of the heating furnace, hydraulic cylinders for position sliding of the heating furnace and the cooling furnaces are respectively arranged in front of the frame and correspond to the heating furnace and the cooling furnace, a plurality of heating elements are clamped on an internal fixing frame of the heating furnace, and the heating elements are used for heating temperature control through an external control mechanism 2 U type silicon molybdenum stick, and adopt fibre system anchor clamps to carry out the centre gripping, can realize whole installation, change also can change alone, hoisting device's practicality utilizes and sets up thermocouple accuse temperature in the heating furnace inside and controls temperatureTemperature measurement, the realization is to the accurate control of stove temperature, hoisting device's security.)

1. The utility model provides a many covers body continuous type bell jar stove, includes frame (1), the central line position department of frame (1) is provided with heating furnace (12), and the below level both sides of heating furnace (12) all are provided with furnace gate (1201), its characterized in that: cooling furnaces (13) are arranged on the inner side of the frame (1) and positioned at the two sides of the heating furnace (12), and the lower parts of the two cooling furnaces (13) are respectively and correspondingly provided with a feeding car (2), a supporting plate (5) is fixedly connected in front of the frame (1), and the supporting plate (5) is respectively provided with a hydraulic cylinder (6) for the sliding of the position thereof corresponding to the heating furnace (12) and the cooling furnace (13), a fixing frame (18) is fixedly connected with the top end of the interior of the heating furnace (12) through bolts, a plurality of heating elements (17) are clamped on the fixing frame (18), and the heating elements (17) are distributed annularly in the hearth, the heating elements (17) are used for heating temperature control through an external control mechanism, a plurality of nozzles (20) are annularly and uniformly distributed at the bottom end of the cooling furnace (13), and the plurality of nozzles (20) are communicated with an external gas transmission mechanism.

2. The multi-mantle continuous bell jar furnace of claim 1, wherein: the fixing frame (18) is detachably mounted at the top end of the interior of the heating furnace (12), a plurality of groups of clamping pieces (19) are fixedly connected to the lower end face of the fixing frame (18), each group of the plurality of groups of clamping pieces (19) is of an arc-shaped structure which is centrosymmetric, and the clamping pieces (19) and the heating element (17) are clamped mutually.

3. The multi-mantle continuous bell jar furnace of claim 1, wherein: the top of the cooling furnace (13) is fixedly connected with a telescopic air outlet pipe (14), the air outlet pipe (14) is communicated with the inside of the cooling furnace (13), and the top of the heating furnace (12) is provided with a corundum hollow ceramic pipe.

4. The multi-mantle continuous bell jar furnace of claim 1, wherein: the top of the frame (1) corresponds heating furnace (12) and cooling furnace (13) and all is provided with a set of support (10), and every group support (10) all is provided with two to every group all is two segmentation structures in two supports (10), every two sections all along central line symmetry rotation between support (10) be connected with two fixed pulleys (11), and the position of two fixed pulleys (11) corresponds furnace roof border position respectively and sets up.

5. The multi-hood continuous bell jar furnace of claim 4, wherein: the vertical fixedly connected with connecting block (7) of output of pneumatic cylinder (6), and the horizontal both sides of connecting block (7) all are provided with first chain (8) and second chain (9), first chain (8) are walked around and are corresponded last fixed pulley (11) of support (10) and furnace roof fixed connection, second chain (9) are walked around and are corresponded two fixed pulley (11) and furnace roof fixed connection on support (10), first chain (8) and second chain (9) synchronous motion.

6. The multi-mantle continuous bell jar furnace of claim 1, wherein: all parallel fixedly connected with guide post (16) on the stand of frame (1), guide post (16) are provided with three groups, and every group corresponds heating furnace (12) or cooling furnace (13) setting respectively in three groups of guide post (16).

7. The multi-mantle continuous bell jar furnace of claim 1, wherein: the bottom center line position of frame (1) fixedly connected with drive guide rail (3), and the both sides of drive guide rail (3) all parallel arrangement have two location slide rail (4), the below of stack pallet (2) corresponds location slide rail (4) and is provided with four guide pulleys (15), fixed connection between drive component and the stack pallet (2) of drive guide rail (3) inside.

Technical Field

The invention relates to the field of bell-jar furnaces, in particular to a multi-hood continuous bell-jar furnace.

Background

The furnace body is named as a bell jar furnace in a lifting way, and is suitable for sintering tests in which a sintered object is easy to damage when moving.

The material intensity that current bell jar furnace adopted is not enough, can take place to sink in long-term use, the condition of deformation, and the security of use and the unable fine satisfaction requirement of stability all, and the most single structure of current bell jar furnace, after the heating of accomplishing the work piece, the work piece can not get timely cooling and handle, easily produces harmful effects to the work piece, and can cause bell jar furnace heat unnecessary extravagant. Accordingly, those skilled in the art have provided a multi-hood continuous bell jar furnace to solve the problems set forth in the background art described above.

Disclosure of Invention

In order to solve the above-mentioned problems, the present invention provides a multi-hood continuous bell jar furnace.

The invention provides a multi-hood continuous bell jar furnace, which adopts the following technical scheme:

a multi-hood continuous bell jar furnace comprises a frame, a heating furnace is arranged at the central line position of the frame, and furnace doors are arranged on both horizontal sides below the heating furnace, cooling furnaces are arranged on both sides of the heating furnace on the inner side of the frame, and the lower parts of the two cooling furnaces are respectively and correspondingly provided with a feeding car, a supporting plate is fixedly connected in front of the frame, and the supporting plate is respectively provided with a hydraulic cylinder for the sliding of the position thereof corresponding to the heating furnace and the cooling furnace, a fixing frame is fixedly connected with the top end of the interior of the heating furnace through bolts, a plurality of heating elements are clamped on the fixing frame, and the heating elements are distributed in the hearth in a ring shape, the heating elements are used for heating temperature control through an external control mechanism, a plurality of nozzles are annularly and uniformly distributed at the bottom end of the cooling furnace, and the nozzles are communicated with an external gas transmission mechanism.

Preferably, the fixing frame is detachably mounted at the top end of the interior of the heating furnace, a plurality of groups of clamping pieces are fixedly connected to the lower end face of the fixing frame, each group of the plurality of groups of clamping pieces is of a centrosymmetric arc-shaped structure, and the clamping pieces and the heating element are clamped mutually.

Preferably, the top of the cooling furnace is fixedly connected with a telescopic air outlet pipe, the air outlet pipe is communicated with the inside of the cooling furnace, and the top of the heating furnace is provided with a corundum hollow ceramic pipe.

Preferably, the top of the frame is provided with a group of supports corresponding to the heating furnace and the cooling furnace, each group of supports is provided with two supports, each group of two supports is of a two-section structure, two fixed pulleys are symmetrically and rotatably connected between each two sections of supports along a central line, and the positions of the two fixed pulleys are respectively arranged corresponding to the edge position of the furnace top.

Preferably, the output end of the hydraulic cylinder is fixedly connected with the connecting block vertically, a first chain and a second chain are arranged on the two horizontal sides of the connecting block, the first chain bypasses a fixed pulley on the corresponding support and is fixedly connected with the furnace top, the second chain bypasses two fixed pulleys on the corresponding support and is fixedly connected with the furnace top, and the first chain and the second chain move synchronously.

Preferably, all parallel fixedly connected with guide post on the stand of frame, the guide post is provided with three groups, and every group corresponds heating furnace or cooling furnace setting respectively in three groups of guide post.

Preferably, a driving guide rail is fixedly connected to the center line of the bottom end of the frame, two positioning slide rails are arranged on two sides of the driving guide rail in parallel, four guide wheels are arranged below the feeding cart corresponding to the positioning slide rails, and a driving part inside the driving guide rail is fixedly connected with the feeding cart.

In summary, the invention includes at least one of the following beneficial technical effects:

1. through adopting the folding assembly of fibre module on the heating furnace, and the pre-buried corundum hollow ceramic pipe of furnace body upper cover, the furnace gate adopts high temperature resistant ceramic plate to promote the life and the durability of furnace body, a plurality of MoSi of inside annular evenly distributed of heating furnace₂The U-shaped silicon-molybdenum rod is clamped by a fiber clamp, so that the U-shaped silicon-molybdenum rod can be clampedThe whole installation and replacement can be independently replaced, the practicability of the lifting device is realized, the temperature control and measurement are realized by arranging the thermocouple in the heating furnace, the accurate control of the temperature in the furnace is realized, the safety of the lifting device is improved, the heating furnace and the cooling furnace are both conveniently and quickly controlled through the hydraulic mechanism, and the convenience of operation is ensured;

2. all set up the cooling furnace through the both sides at the heating furnace, the cooling furnace utilizes circulation stack pallet to realize circulation heating and cooling, the holistic work efficiency of hoisting device, reduce the waste of heat energy, evenly distributed nozzle all around in the bottom of cooling furnace, the nozzle sprays the cold air current and cools down to the work piece, utilize the control to outlet duct and nozzle injection air flow rate simultaneously, the inside of realizing the heating furnace carries out pressure cooling, promote the cooling effect, utilize the thermocouple accuse temperature, the temperature measurement, the realization is to the accurate control of stove internal temperature, the rapid cooling of being convenient for goes on.

Drawings

FIG. 1 is a schematic isometric view of an embodiment of the invention.

Fig. 2 is a schematic bottom view of the embodiment of the invention.

Fig. 3 is a schematic structural diagram of a feeding mechanism according to an embodiment of the invention.

Description of reference numerals: 1. a frame; 2. a feeding car; 3. a drive rail; 4. positioning the slide rail; 5. a support plate; 6. a hydraulic cylinder; 7. connecting blocks; 8. a first chain; 9. a second chain; 10. a support; 11. a fixed pulley; 12. heating furnace; 1201. a furnace door; 13. cooling the furnace; 14. an air outlet pipe; 15. a guide wheel; 16. a guide post; 17. a heating element; 18. a fixed mount; 19. a clamping piece; 20. and (4) a nozzle.

Detailed Description

The present invention is described in further detail below with reference to figures 1-3.

The embodiment of the invention discloses a multi-cover continuous bell-jar furnace.

The first embodiment is as follows:

referring to fig. 1-3, a multi-hood continuous bell jar furnace comprises a frame 1, a heating furnace 12 is arranged at the central line position of the frame 1, and a partition for folding and assembling all-fiber modules is arranged outside the furnace body of the heating furnace 12Heat and heat insulation material, a hearth of the heating furnace 12 is flat and sealed, furnace doors 1201 are arranged on two horizontal sides below the heating furnace 12, the furnace doors 1201 are provided with hard high-temperature-resistant ceramic plates, the furnace doors 1201 can automatically translate to a specified position, cooling furnaces 13 are arranged on two sides of the heating furnace 12 on the inner side of the frame 1, a feeding cart 2 is correspondingly arranged below the two cooling furnaces 13, a supporting plate 5 is fixedly connected in front of the frame 1, hydraulic cylinders 6 for sliding the positions of the heating furnace 12 and the cooling furnaces 13 are arranged on the supporting plate 5 respectively, the hydraulic cylinders 6 are connected with an external hydraulic control mechanism to realize independent control of the hydraulic cylinders 6, a fixing frame 18 is fixedly connected to the top end of the inner part of the heating furnace 12 through bolts, a plurality of heating elements 17 are clamped on the fixing frame 18, and the heating elements 17 are annularly distributed in the hearth, the heating element 17 is controlled in heating temperature by an external control mechanism, and the heating element 17 is MoSi₂The U-shaped silicon-molybdenum rod is characterized in that the heating furnace 12 adopts three-zone temperature control, the thermocouple adopts a first-level thermocouple standard, a monitoring temperature-limiting thermocouple is additionally arranged independently, overtemperature alarm is realized, sound and light alarm is adopted for alarm, a plurality of nozzles 20 are uniformly distributed at the bottom end of the cooling furnace 13 in an annular mode, and a gas transmission mechanism is communicated and arranged between the nozzles 20 and the external gas transmission mechanism, wherein the optimal wind speed of the gas transmission mechanism is less than or equal to 300m³The nozzle 20 and the exhaust gas at the top of the furnace are both provided with electromagnetic valves which can be automatically or manually controlled, so that the pressure in the furnace is controlled by conveniently controlling the gas inlet and the gas exhaust amount, the pressurization and cooling are realized, the cooling effect is improved, under the automatic condition, the temperature control and measurement of a thermocouple are arranged in the cooling furnace 13, the gas inlet pressure and the wind speed are adjusted by temperature control, the rapid cooling is realized, the device adopts an industrial PLC to carry out the full-automatic control of the process and the safe cutting of the fault, the process is started to control the whole equipment by using a computer control system connected with the PLC, all parameter set values including temperature, lifting, transferring, gas inlet, exhaust and the like can be completely measured and automatically controlled, and the full-automatic operation of the process is realized; the system has the network communication function, realizes remote monitoring, and meets the requirements on a data management interface: reserving a PLC Ethernet communication port and an NC data communication Ethernet port, supporting an OPC communication protocol and providing a parameter address comparison table of detailed parameters; computingThe machine and process control system is provided with professional visual software, can control, edit and modify process parameters, displays the running state and the process curve of equipment in real time, records and stores the running parameters, data and historical process curve, and the safety device and the alarm are always in working states and can export files; the system has the functions of setting and managing a plurality of levels of login levels; the interface language is Chinese; the software and hardware have reliability, repeatability and operation safety, and errors of operators can be effectively avoided; the system has a self-checking function and can reliably monitor and alarm; once a certain parameter does not meet the safe operation condition of the equipment, the equipment is automatically protected and has the functions of alarm prompt and alarm emergency stop, and the alarm module comprises sound and light alarm and interlocking of overtemperature, improper action, gas shortage and the like; all the electrical elements are arranged in a control cabinet, the control cabinet comprises a power supply and a control system, the control cabinet has the functions of corrosion prevention, dust prevention and heat insulation, and a cooling fan and an air filter screen are arranged in the control cabinet; the control cabinet is additionally provided with lighting, and the door can be opened to light.

Referring to fig. 1 and 2, a fixing frame 18 is detachably mounted on the top end of the interior of a heating furnace 12, a plurality of groups of clamping sheets 19 are fixedly connected to the lower end face of the fixing frame 18, each group of the plurality of groups of clamping sheets 19 is of a centrosymmetric arc structure, the clamping sheets 19 and a heating element 17 are mutually clamped and arranged, the fixing frame 18 and the clamping sheets 19 are made of limiting materials, the fixing frame 18 can be integrally mounted and replaced and can be independently replaced, the fixing frame 18 is directly mounted on a furnace top plate without bearing fibers on a hearth upper cover, a telescopic air outlet pipe 14 is fixedly connected to the top of the cooling furnace 13, the air outlet pipe 14 is communicated with the interior of the cooling furnace 13, a corundum hollow ceramic pipe is arranged at the top of the heating furnace 12, the corundum hollow ceramic pipe is preferably a 99 hollow corundum ceramic pipe to prevent materials from sinking and deforming in use, a group of supports 10 is arranged at the top of a frame 1 corresponding to the heating furnace 12 and the cooling furnace 13, two fixed pulleys 11 are symmetrically and rotatably connected between each two sections of the supports 10 along a central line, the positions of the two fixed pulleys 11 are respectively arranged corresponding to the edge positions of the furnace top, a group of the supports 10 are arranged at the top of the frame 1 corresponding to the heating furnace 12 and the cooling furnace 13, two supports 10 are arranged in each group, each group of the two supports 10 is in a two-section structure, two fixed pulleys 11 are symmetrically and rotatably connected between each two sections of the supports 10 along the central line, the positions of the two fixed pulleys 11 are respectively arranged corresponding to the edge positions of the furnace top, the output end of the hydraulic cylinder 6 is vertically and fixedly connected with a connecting block 7, a first chain 8 and a second chain 9 are respectively arranged at the two horizontal sides of the connecting block 7, and the first chain 8 is fixedly connected with the furnace top by bypassing one fixed pulley 11 on the corresponding support 10, second chain 9 bypasses and corresponds two fixed pulleys 11 and furnace roof fixed connection on the support 10, first chain 8 and the synchronous motion of second chain 9, the distance of first chain 8 and the operation of second chain 9 equals the distance that heating furnace 12 or cooling furnace 13 descend, the stroke of pneumatic cylinder 6 is greater than the distance of marcing of first chain 8, realize the drive effect of pneumatic cylinder 6 to heating furnace 12 or cooling furnace 13 with this, pneumatic cylinder 6 is full-automatic electric lifting system control as driven operating system, the lift of furnace body and furnace gate 1201 is automatic control, the end position of its stroke all is provided with travel switch, travel switch all chooses the OMRON component for use, guarantee the reliability of operation.

Referring to fig. 1 and 3, guide columns 16 are fixedly connected to the columns of the frame 1 in parallel, three groups of guide columns 16 are arranged, each group of the three groups of guide columns 16 corresponds to a heating furnace 12 or a cooling furnace 13, the guide columns 16 are used for limiting the position of the heating furnace 12 or the cooling furnace 13 in the horizontal plane direction, and ensure the sliding stability of the guide columns in the vertical direction, a driving guide rail 3 is fixedly connected to the bottom center line position of the frame 1, two positioning slide rails 4 are arranged on two sides of the driving guide rail 3 in parallel, four guide wheels 15 are arranged below the feed carriages 2 corresponding to the positioning slide rails 4, a driving part inside the driving guide rail 3 is fixedly connected to the feed carriages 2, and the two feed carriages 2 circulate below the heating furnace 12 under the independent driving of the driving guide rail 3 to heat and recover to the position below the corresponding cooling furnace 13 to perform pressurized cooling.

The implementation principle of the multi-cover continuous bell-jar furnace provided by the embodiment of the invention is as follows: a workpiece to be heated is placed on a feed carriage 2, a driving guide rail 3 below the feed carriage 2 drives the feed carriage 2 to reach the lower part of a heating furnace 12, a corresponding hydraulic cylinder 6 extends, the positions of a first chain 8 and a second chain 9 controlled on the hydraulic cylinder are controlled, so that the heating furnace 12 covers the outer side of the workpiece, the heating furnace 12 heats the workpiece through a heating element 17 in the heating furnace, meanwhile, the next workpiece is placed on the other feed carriage 2, after the first workpiece is machined, a furnace door 1201 on one side is opened, the feed carriage 2 conveys the workpiece to the lower part of the corresponding cooling furnace 13, the corresponding hydraulic cylinder 6 extends to put down the cooling furnace 13 to cool the workpiece, after the workpiece is output from the heating furnace 12, the furnace door 1201 is closed, the furnace door 1201 on the other side is opened, the other feed carriage 2 conveys the workpiece to the interior of the heating furnace 12 to be heated, meanwhile, cold air is sprayed onto the workpiece through the nozzle 20 by an external air conveying mechanism, meanwhile, the electromagnetic valve on the air outlet pipe 14 is closed through electric control, so that the pressure inside the cooling furnace 13 is increased, after certain pressure is reached, the electromagnetic valve on the air outlet pipe 14 is opened, the air inflow of the nozzle 20 is adjusted, so that the pressure inside the cooling furnace 13 is stable, the heat exchange is guaranteed, the cooling effect is improved, after the workpiece is completely cooled, the hydraulic cylinder 6 contracts, the cooling furnace 13 is pulled up, the workpiece is replaced, the circular processing of the workpiece is achieved, and the practicability of the device is improved.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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