CN113587649A

CN113587649A - Dewaxing device of sintering furnace

Info

Publication number: CN113587649A
Application number: CN202110864270.7A
Authority: CN
Inventors: 邹思敏; 肖骏光; 刘赞; 李应新
Original assignee: Zhuzhou Ruideer Pm Equipment Manufacturing Co ltd
Current assignee: Zhuzhou Ruideer Pm Equipment Manufacturing Co ltd
Priority date: 2021-07-29
Filing date: 2021-07-29
Publication date: 2021-11-02
Anticipated expiration: 2041-07-29
Also published as: CN113587649B

Abstract

The embodiment of the invention discloses a dewaxing device of a sintering furnace, which relates to the technical field of dewaxing of the sintering furnace and mainly aims to solve the problem that the existing dewaxing device of the sintering furnace has incomplete forming agent collection, and comprises a pipeline assembly and a refrigeration mechanism, and also comprises a condenser pipe, a cleaning component and a driving component, wherein the condenser pipe is positioned in the pipeline assembly, liquefied forming agent automatically flows towards a material guide part along the inclined pipe wall on the condenser pipe under the action of gravity, a rotating part drives the cleaning component to move along the inner wall of the condenser pipe through a first pressure bearing part, so that the liquid forming agent adhered on the inner wall of the condenser pipe is brought to the material guide part, the rotating part drives a sealing part to leave from the material guide part through a second pressure bearing part, the liquid forming agent in the condenser pipe can be discharged into a storage part from the material guide part to be collected, and the function of cleanly and thoroughly discharging the liquid forming agent from the condenser pipe is realized, has the characteristics of high automation degree and thorough collection.

Description

Dewaxing device of sintering furnace

Technical Field

The application relates to the technical field of dewaxing of sintering furnaces, in particular to a dewaxing device of a sintering furnace.

Background

The sintering furnace is a heat treatment furnace which can provide materials with specific temperature and specific environmental pressure and vacuum degree, wherein the dewaxing device is used for collecting the forming agent added into the product.

When the conventional dewaxing device collects the forming agent, the liquid forming agent is easily adhered to the inner wall of the pipeline or accumulated in the pipeline, so that the forming agent cannot be completely collected, and a part of the forming agent is remained in the pipeline.

Disclosure of Invention

An embodiment of the present invention is directed to provide a dewaxing device for a sintering furnace, so as to solve the problems in the background art.

In order to achieve the above purpose, the present application provides the following technical solutions:

the utility model provides a fritting furnace dewaxing device, includes pipeline assembly and refrigeration mechanism, still includes:

a condenser tube positioned within the duct assembly; the condensing pipe is positioned in the refrigerating mechanism, the condensing pipe is a bent pipe with a bent middle part, and a material guide part for discharging the liquid forming agent is arranged at the bent middle part of the condensing pipe; and

the cleaning assembly comprises a cleaning piece attached to the inner wall of the condensation pipe; the first pressure bearing part is connected with the cleaning part; and

the sealing assembly is positioned in the material guiding part and comprises a sealing piece for sealing the material guiding part; and a second pressure bearing member connected to the sealing member; and

a drive assembly including a rotating member; and the driving piece is used for driving the rotating piece to rotate, and the first pressure bearing piece and the second pressure bearing piece are used for bearing the pressure of the rotating piece so as to drive the cleaning piece and the sealing piece to move, so that the liquid forming agent adhered to the inner wall of the condensation pipe is brought to the material guiding part.

As a further aspect of the present application: the collecting assembly comprises a storage part communicated with the discharge end of the material guiding part; and a discharge portion installed on the storage portion, the driving assembly, the first pressure bearing member and the second pressure bearing member being located within the collection assembly.

As a still further aspect of the present application: the conduit assembly further comprises:

the gas inlet pipe is positioned at one end of the sintering furnace and one end of the condensing pipe and is used for sucking the gaseous forming agent in the sintering furnace into the condensing pipe, and a first gas valve used for controlling gas circulation is arranged between the gas inlet pipe and the condensing pipe; and

and the air outlet pipe is positioned at the other end of the condensation pipe and used for exhausting air, and a second air valve used for controlling the circulation of air is arranged between the air outlet pipe and the condensation pipe.

As a still further aspect of the present application: the pipeline assembly also comprises a circulating pipe communicated with two ends of the condensing pipe and used for discharging the forming agent which is not completely liquefied into the condensing pipe again through the circulating pipe for liquefaction.

As a still further aspect of the present application: a linkage piece is also arranged between the cleaning piece and the first pressure bearing piece, and comprises a first linkage piece connected with the cleaning piece; and the second linkage piece is connected with the first bearing piece, and the first linkage piece is hinged with the second linkage piece.

As a still further aspect of the present application: still be provided with the slider of connection between sealing member and second pressure-bearing piece on the seal assembly, be provided with first elastic component and the second elastic component that drives clearance piece and sealing member and reset on second interlock piece and the slider respectively.

As a still further aspect of the present application: and the condensation pipe and the storage part are respectively provided with a first sleeving part and a second sleeving part which are used for installing a second interlocking part.

As a still further aspect of the present application: the transmission part is arranged between the rotating part and the driving part, one end of the transmission part is provided with an engaging part connected with the driving part, and the other end of the transmission part is provided with a limiting part connected with the rotating part.

Compared with the prior art, the beneficial effects of this application are:

the liquefied forming agent flows towards the guide portion automatically along the inclined pipe wall on the condensation pipe under the action of gravity, the rotating piece drives the cleaning piece to move along the inner wall of the condensation pipe through the first pressure bearing piece, so that the liquid forming agent adhered to the inner wall of the condensation pipe is led to the guide portion, the rotating piece drives the sealing piece to leave from the guide portion through the second pressure bearing piece, the liquid forming agent in the condensation pipe can be discharged into the storage portion from the guide portion to be collected, the function of completely and cleanly discharging the liquid forming agent from the condensation pipe is realized, the device has the characteristics of high automation degree and thorough collection, and the problem that the forming agent cannot be completely collected in the existing dewaxing device of the sintering furnace is solved.

Drawings

Fig. 1 is a schematic structural diagram of a dewaxing device of a sintering furnace according to an embodiment of the present invention.

FIG. 2 is an enlarged view of a portion of a cleaning assembly in an embodiment of the present invention.

Fig. 3 is a partially enlarged view of a material guiding portion according to an embodiment of the present invention.

Fig. 4 is an enlarged view of a portion of a seal assembly in an embodiment of the present invention.

FIG. 5 is a partially enlarged view of a condenser tube according to an embodiment of the present invention.

Fig. 6 is an isometric view of a drive assembly in an embodiment of the invention.

FIG. 7 is an enlarged view of a portion of a cleaning element in an embodiment of the present invention.

In the figure: 1-pipeline assembly, 11-condenser pipe, 111-material guide part, 112-first sleeving part, 12-air inlet pipe, 13-air outlet pipe, 14-first air valve, 15-second air valve, 16-circulating pipe, 2-refrigerating mechanism, 21-refrigerating equipment, 22-sealed cabin, 3-cleaning component, 31-cleaning component, 32-first connecting component, 33-second connecting component, 331-first pressure bearing component, 34-first elastic component, 4-sealing component, 41-sealing component, 42-sliding component, 43-second elastic component, 44-second pressure bearing component, 5-collecting component, 51-storage part, 511-second sleeving part, 52-discharge part, 6-driving component, 61-rotating component, 611-guide, 62-body, 63-transmission, 631-stop, 64-engagement, 65-drive.

Detailed Description

In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only used for convenience of describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be configured and operated in a specific orientation, and thus, should not be construed as limiting the present application.

Referring to fig. 1, the present embodiment provides a dewaxing apparatus for a sintering furnace, including a pipeline assembly 1 and a refrigeration mechanism 2, further including:

a condenser tube 11 located within the duct assembly 1; the condensing pipe 11 is positioned in the refrigerating mechanism 2, the condensing pipe 11 is a bent pipe with a bent middle part, and a material guide part 111 for discharging the liquid forming agent is arranged at the bent middle part of the condensing pipe 11; and

the cleaning assembly 3 comprises a cleaning piece 31 attached to the inner wall of the condensation pipe 11; and a first pressure bearing member 331 connected to the cleaning member 31; and

a sealing assembly 4 positioned in the material guiding part 111, wherein the sealing assembly 4 comprises a sealing member 41 for sealing the material guiding part 111; and a second pressure bearing member 44 connected to the sealing member 41; and

a drive assembly 6, said drive assembly 6 comprising a rotational member 61; and a driving member 65 for driving the rotating member 61 to rotate, wherein the first pressure-bearing member 331 and the second pressure-bearing member 44 are used for bearing the pressure of the rotating member 61 to drive the cleaning member 31 and the sealing member 41 to move, so as to bring the liquid forming agent adhered to the inner wall of the condensation pipe 11 to the material guiding portion 111.

Referring to fig. 1, in the above-mentioned technical solution, the condensing tube 11 is designed as a "V" shaped tube or a "U" shaped tube, and is a tube with a middle bent and two ends straight, where the tube is divided into three parts, the middle bent tube part is called a bent part, the tube with two ends straight is called a straight tube part, and an included angle between the two straight tube parts is designed as an obtuse angle, because the larger the angle is, the more favorable the gas flows inside, the tube can be designed as 120 ° or 150 ° so as to ensure that the gas flows inside, the liquefied forming agent can flow to the bent part along the inner wall of the tube under the action of gravity, and finally the liquefied forming agent is discharged through the material guiding part 111 arranged on the bent part, so that the accumulation and incomplete discharge of the liquid forming agent can be prevented, the material guiding part 111 is designed as a material guiding tube, and is located at the middle position of the condensing tube 11, in the initial state, the sealing member 41 is designed as a sealing plate or a sealing block to seal the liquid outlet of the material guiding tube and prevent the gaseous forming agent from being discharged from the material guiding tube.

As can be known from the above technology, when the gaseous forming agent enters the condensing tube 11 in the cooling mechanism 2, it can be liquefied, and the liquefied forming agent flows along the inclined tube wall automatically toward the material guiding portion 111 under the action of gravity, the driving member 65 in the driving assembly 6 drives the rotating member 61 to rotate at a constant speed, and when the rotating member 61 presses the first pressure-bearing member 331 in the cleaning assembly 3 during the rotation process, it can drive the cleaning member 31 to move along the inner wall of the condensing tube 11, so as to bring the liquid forming agent adhered to the inner wall of the condensing tube 11 to the material guiding portion 111, and when the rotating member 61 presses the second pressure-bearing member 44 in the sealing assembly 4 during the rotation process, it can drive the sealing member 41 to leave from the material guiding portion 111, so that the liquid forming agent in the condensing tube 11 can be discharged from the material guiding portion 111 for collection, thereby realizing the function of completely discharging the liquid forming agent from the condensing tube 11, has the characteristics of high automation degree and thorough collection.

Referring to fig. 7, further, the cleaning member 31 is designed as a fixing ring, the shape of the fixing ring is designed as a circular ring, so as to better fit with the condensation pipe 11, and meanwhile, both the liquid and gaseous forming agents can flow through the middle of the circular ring, of course, the condensation pipe 11 can also be designed as a square pipe, and correspondingly, the shape of the fixing ring is designed as a rectangular ring, which is not limited herein and will not be described any further.

Referring to fig. 2, 4 and 6, further, the first bearing member 331 is designed as a ball or a roller, the second bearing part 44 is designed as a wedge-shaped block, and correspondingly, the rotating part 61 is designed as an arc-shaped plate, and the surface of the rotating member 61 is designed with a guiding member 611 matched with the ball or the roller, the guiding member 611 is designed as an arc-shaped groove opened on the arc-shaped plate, when the arc-shaped plate rotates, the ball or the roller can slide in the arc-shaped groove relative to the arc-shaped plate, thereby driving the cleaning member 31 connected with the ball or the roller to move in the condensation pipe 11, and the design of the inclined surface on the wedge-shaped block, so that the wedge-shaped block and the arc-shaped plate can slide relatively and simultaneously drive the sealing member 41 connected with the wedge-shaped block to lift out from the material guiding part 111, thereby realizing the functions of automatically cleaning the liquid forming agent and automatically discharging the liquid forming agent.

Of course, the first bearing member 331 may be designed as a wedge-shaped block consistent with the second bearing member 44, and correspondingly, the guide member 611 on the rotating member 61 should be eliminated, and the same function as that realized by the cooperation of the ball or the roller and the guide member 611 can also be realized, and of course, the second bearing member 44 may also be designed as a ball or a roller consistent with the first bearing member 331, which is not limited herein and will not be described again.

Referring to fig. 1, further, the refrigeration mechanism 2 includes a refrigeration device 21 and a sealed cabin 22, the condensation pipe 11 is installed in the sealed cabin 22, and the refrigeration device 21 can cool the sealed cabin 22.

Referring to fig. 1, further, the number of the cleaning assemblies 3 is two, and the cleaning assemblies are symmetrically distributed on two sides of the sealing assembly 4.

Referring to fig. 1, further, the pipe assembly 1 further includes:

the gas inlet pipe 12 is positioned at one end of the sintering furnace and the condensing pipe 11 and is used for sucking the gaseous forming agent in the sintering furnace into the condensing pipe 11, and a first gas valve 14 used for controlling gas circulation is arranged between the gas inlet pipe 12 and the condensing pipe 11; and

and an air outlet pipe 13 positioned at the other end of the condensation pipe 11 and used for discharging air, wherein a second air valve 15 used for controlling the circulation of air is arranged between the air outlet pipe 13 and the condensation pipe 11.

Referring to fig. 1, further, the pipe assembly 1 further includes a circulation pipe 16 communicated with two ends of the condensation pipe 11, and is used for discharging the forming agent which is not completely liquefied into the condensation pipe 11 again through the circulation pipe 16 for liquefaction, so that the forming agent can be liquefied for multiple times, and the forming agent can be collected more completely.

Referring to fig. 1 and 2, further, a linkage member is further disposed between the cleaning member 31 and the first pressure-bearing member 331, and the linkage member includes a first linkage member 32 connected to the cleaning member 31; and a second linkage member 33 connected to the first pressure-bearing member 331, wherein the first linkage member 32 is hinged to the second linkage member 33, the first linkage member 32 and the second linkage member 33 are fixed rods or fixed shafts, respectively, and the two fixed rods or fixed shafts are hinged to each other for transmitting the pushing force from the first pressure-bearing member 331 to the cleaning member 31, so as to drive the cleaning member 31 to move in the condensation pipe 11.

Referring to fig. 1 and 4, further, the sealing assembly 4 is further provided with a sliding member 42 connected between the sealing member 41 and the second pressure-bearing member 44, the second linking member 33 and the sliding member 42 are respectively provided with a first elastic member 34 and a second elastic member 43 for driving the cleaning member 31 and the sealing member 41 to reset, the sliding member 42 is designed as a sliding rod or a sliding shaft, and can transmit the pushing force from the second pressure-bearing member 44 to the sealing member 41 to further lift the sealing member from the material guiding portion 111, when the first pressure-bearing member 331 and the second pressure-bearing member 44 lose the force of the rotating member 61, the elastic force of the first elastic member 34 and the elastic member 43 can reset the sealing member, the first elastic member 34 and the second elastic member 43 can be designed as springs or elastic rubbers, which are not limited herein, and will not be described any more, the reciprocating motion of the cleaning member 31 and the sealing member 41 can be achieved.

Referring to fig. 3 and 5, further, a first sleeving part 112 and a second sleeving part 511 for installing the second linking part 33 are respectively disposed on the condensation pipe 11 and the storage part 51, the first sleeving part 112 and the second sleeving part 511 are both designed as sleeves and respectively communicated with the condensation pipe 11 and the storage part 51, and the second linking part 33 is slidably connected in the two sleeves.

Referring to fig. 1 and 6, further, a transmission member 63 is disposed between the rotating member 61 and the driving member 65, one end of the transmission member 63 is provided with an engaging member 64 connected to the driving member 65, and the other end of the transmission member is provided with a limiting member 631 connected to the rotating member 61, the transmission member 63 is designed as a transmission rod or a transmission shaft, the engaging member 64 is designed as a driven wheel and a driving wheel engaged with each other, the driving member 65 is designed as a driving motor, the driving wheel is connected to the driving motor, the transmission member 63 is driven to rotate by using the engaging transmission principle, the limiting member 631 is designed as a limiting rib or a limiting pin, the plurality of rotating members 61 are all mounted on a main body 62, the main body 62 is designed as a sleeve, and the sleeve is fixedly mounted on the transmission member 63 through the limiting rib or the limiting pin, so that the sleeve has the characteristic of being convenient to mount and dismount.

Of course, the transmission member 63 is connected to the driving member 65 through the engaging member 64, and the transmission member 63 may be replaced by a connection manner of the transmission member 63 to the driving member 65 through a pulley assembly, where the pulley assembly includes a first synchronizing wheel, a second synchronizing wheel and a synchronous belt, the first synchronizing wheel is installed on the transmission member 63, the second synchronizing wheel is connected to the driving member 65, and the synchronous belt is connected between the first synchronizing wheel and the second synchronizing wheel, so as to further achieve the function of driving the rotating member 61 to rotate.

Referring to fig. 1, as an embodiment of the present application, the present application further includes a collecting assembly 5, where the collecting assembly 5 includes a storage portion 51 communicated with a discharging end of a material guiding portion 111; and a discharging part 52 installed on the storage part 51, wherein the driving assembly 6, the first pressure-bearing member 331 and the second pressure-bearing member 44 are all located in the collecting assembly 5, the storage part 51 is designed as a sealing frame for collecting the liquid forming agent discharged from the material guiding part 111, the discharging part 52 is designed as a discharging pipe installed on the sealing frame, and when the liquid forming agent in the sealing frame is collected to a certain amount, a control valve on the discharging pipe is opened to discharge the liquid forming agent.

When the gas-state forming agent in the sintering furnace enters the air inlet pipe 12 and the condensation pipe 11 under the action of the air suction pump, the refrigerating mechanism 2 can liquefy the gas-state forming agent in the condensation pipe 11, the residual air is discharged through the air outlet pipe 13, the gas-state forming agent is in the liquefying process of the condensation pipe 11, because the condensation pipe 11 is designed into a bent pipe, the liquefied forming agent automatically flows towards the material guiding part 111 along the inclined pipe wall under the action of gravity, the driving part 65 is started to drive the rotating parts 61 to rotate, when the rotating parts 61 rotate and extrude the first pressure bearing part 331 in the cleaning assembly 3, the cleaning part 31 can be driven to move along the inner wall of the condensation pipe 11, so that the liquid-state forming agent adhered to the inner wall of the condensation pipe 11 is brought to the material guiding part 111, when the rotating parts 61 rotate and extrude the second pressure bearing part 44 in the sealing assembly 4, the sealing part 41 can be driven to leave from the material guiding part 111, the liquid forming agent in the condensation pipe 11 can be discharged into the storage part from the material guide part 111 to be collected, the function of discharging the liquid forming agent from the condensation pipe 11 cleanly and thoroughly is realized, and the automatic liquid forming agent collecting device has the characteristics of high automation degree and thorough collection.

In summary, the liquefied forming agent automatically flows toward the material guiding portion 111 along the inclined tube wall of the condensation tube 11 under the action of gravity, the rotating member 61 drives the cleaning member 31 to move along the inner wall of the condensation tube 11 through the first pressure-bearing member 331, so as to bring the liquid forming agent adhered to the inner wall of the condensation tube 11 to the material guiding portion 111, the rotating member 61 drives the sealing member 41 to separate from the material guiding portion 111 through the second pressure-bearing member 44, so that the liquid forming agent in the condensation tube 11 can be discharged into the storage portion from the material guiding portion 111 for collection, the function of cleanly and thoroughly discharging the liquid forming agent from the condensation tube 11 is realized, the device has the characteristics of high automation degree and thorough collection, and the problem that the existing dewaxing device of the sintering furnace has incomplete collecting of the forming agent is solved.

It should be noted that, although the present specification describes embodiments, each embodiment does not include only a single technical solution, and such description of the specification is only for clarity, and those skilled in the art should take the specification as a whole, and the technical solutions in the embodiments may be appropriately combined to form other embodiments understood by those skilled in the art, and the above-mentioned embodiments only express the preferred embodiments of the technical solutions, and the description thereof is more specific and detailed, but should not be construed as limiting the scope of the claims of the technical solutions. It should be noted that, for those skilled in the art, without departing from the concept of the present application, several modifications, improvements and substitutions can be made, which are all within the protection scope of the present technical solution.

Claims

1. The utility model provides a fritting furnace dewaxing device, includes pipeline assembly (1) and refrigeration mechanism (2), its characterized in that still includes:

a condenser tube (11) located within the tube assembly (1); the condensing pipe (11) is positioned in the refrigerating mechanism (2), the condensing pipe (11) is a bent pipe with a bent middle part, and a material guide part (111) for discharging the liquid forming agent is arranged at the bent middle part of the condensing pipe (11); and

the cleaning assembly (3), the cleaning assembly (3) comprises a cleaning piece (31) attached to the inner wall of the condensation pipe (11); and a first pressure bearing member (331) connected to the cleaning member (31); and

a sealing assembly (4) positioned in the material guiding part (111), wherein the sealing assembly (4) comprises a sealing member (41) for sealing the material guiding part (111); and a second bearing member (44) connected to the sealing member (41); and

a drive assembly (6), the drive assembly (6) comprising a rotational member (61); and the driving part (65) is used for driving the rotating part (61) to rotate, and the first pressure bearing part (331) and the second pressure bearing part (44) are used for bearing the pressure of the rotating part (61) so as to drive the cleaning part (31) and the sealing part (41) to move, so that the liquid forming agent adhered to the inner wall of the condensation pipe (11) is brought to the material guiding part (111).

2. A sintering furnace dewaxing apparatus according to claim 1, further comprising a collecting assembly (5), said collecting assembly (5) comprising a storage portion (51) communicating with the discharge end of the material guiding portion (111); and a discharge portion (52) installed on the storage portion (51), the driving assembly (6), the first pressure bearing member (331) and the second pressure bearing member (44) being located within the collection assembly (5).

3. A sintering furnace dewaxing apparatus according to claim 1, wherein said conduit assembly (1) further comprises:

the gas inlet pipe (12) is positioned at one end of the sintering furnace and one end of the condensing pipe (11) and is used for sucking the gaseous forming agent in the sintering furnace into the condensing pipe (11), and a first gas valve (14) used for controlling gas circulation is arranged between the gas inlet pipe (12) and the condensing pipe (11); and

and the air outlet pipe (13) is positioned at the other end of the condensation pipe (11) and used for discharging air, and a second air valve (15) used for controlling the circulation of air is arranged between the air outlet pipe (13) and the condensation pipe (11).

4. A dewaxing apparatus for a sintering furnace according to claim 3, wherein said piping assembly (1) further comprises a circulation pipe (16) communicating with both ends of said condensation pipe (11) for discharging said molding agent which is not completely liquefied into said condensation pipe (11) again through said circulation pipe (16) to be liquefied.

5. A sintering furnace dewaxing apparatus according to claim 1, wherein a linkage member is further provided between said cleaning member (31) and said first bearing member (331), said linkage member including a first link member (32) connected to said cleaning member (31); and the second linkage piece (33) is connected with the first bearing piece (331), and the first linkage piece (32) is hinged with the second linkage piece (33).

6. A dewaxing device for a sintering furnace according to claim 5, wherein a sliding member (42) connected between the sealing member (41) and the second bearing member (44) is further arranged on the sealing assembly (4), and a first elastic member (34) and a second elastic member (43) for driving the cleaning member (31) and the sealing member (41) to reset are respectively arranged on the second linkage member (33) and the sliding member (42).

7. A sintering furnace dewaxing device according to claim 5, wherein a first spigot (112) and a second spigot (511) for mounting a second linkage (33) are respectively arranged on the condensation pipe (11) and the storage part (51).

8. Sintering furnace dewaxing device according to claim 1, wherein a transmission member (63) is arranged between the rotating member (61) and the driving member (65), said transmission member (63) being provided at one end with an engaging member (64) connected to the driving member (65) and at the other end with a limiting member (631) connected to the rotating member (61).