CN216385115U - Heat treatment furnace for machining duplexer cover body - Google Patents

Abstract

The utility model relates to a processing of duplexer cover body is with heat treatment furnace uses in heat treatment furnace's field, and it includes the base, is equipped with the heat treatment furnace body on the base, and one side of heat treatment furnace body is equipped with the feed inlet, is equipped with the furnace gate on the feed inlet, and the furnace gate divide into first furnace gate and second furnace gate, and first furnace gate rotates the one side of connecting in the feed inlet of heat treatment furnace body, and the second furnace gate rotates the opposite side of connecting in the feed inlet of heat treatment furnace body. The mode that the furnace gate is opened and close from top to bottom is changed into the side-by-side door type in this application, reduces the furnace gate and breaks down and injures workman or product and cause the possibility of loss.

Description

Heat treatment furnace for machining duplexer cover body

Technical Field

The application relates to the technical field of heat treatment furnaces, in particular to a heat treatment furnace for machining a duplexer cover body.

Background

The stress relief heat treatment refers to a heat treatment performed to relieve stress. The cast, forged and welded parts generate internal stress due to different cooling speeds of all parts during cooling, and the metal and alloy also generate internal stress during cold deformation processing and during cutting processing of the workpiece. If the internal stress is large and is not removed in time, the workpiece is deformed and even cracks are formed. The stress relief heat treatment is to slowly heat the workpiece to a lower temperature, preserve the heat for a period of time to relax the interior of the metal, and then slowly cool down.

The heat treatment furnace is an electric furnace or a fuel furnace for heating the charge for heat treatment. Commonly used heat treatment furnaces include a box-type resistance furnace, a pit-type resistance furnace, a gas carburizing furnace, a salt bath furnace, and the like. Generally, a carriage is used to carry the workpiece in from the oven door, and after the heat treatment is completed, the carriage carries the workpiece out from the oven door.

In the related art, the duplexer shield body heat treatment furnace drives a steel wire rope to pull a furnace door through a motor to realize vertical opening and closing, the inventor thinks that the mode of vertical opening and closing of the furnace door has risks, and once a fault occurs, workers or products are easily injured by crashing to cause loss.

SUMMERY OF THE UTILITY MODEL

In order to improve the problem that the furnace door that opens and close is carried out from top to bottom directly has the risk, this application provides a heat treatment furnace is used in processing of duplexer cover body.

The application provides a heat treatment furnace for machining of duplexer cover body adopts following technical scheme:

the utility model provides a processing of duplexer cover body is with heat treatment furnace, includes the base, be equipped with the heat treatment furnace body on the base, one side of heat treatment furnace body is equipped with the feed inlet, be equipped with the furnace gate on the feed inlet, the furnace gate divide into first furnace gate and second furnace gate, first furnace gate rotate connect in one side of the feed inlet of heat treatment furnace body, the second furnace gate rotate connect in the opposite side of the feed inlet of heat treatment furnace body.

By adopting the technical scheme, the first furnace door and the second furnace door form a side-by-side door type furnace door, and the first furnace door and the second furnace door form a furnace door to seal the feeding hole when being closed together. When the furnace door is opened, the furnace door is divided into a first furnace door and a second furnace door, the first furnace door and the second furnace door are rotatably connected with the feed inlet of the heat treatment furnace body and are vertical to the base, and the first furnace door and the second furnace door do not rotate when not subjected to external force, so that the possibility that workers or products are injured by crashing the furnace door when a fault occurs can be reduced.

Optionally, a loading and unloading interval is set in a space on one side of the heat treatment furnace body far away from the feed inlet, a guide rail is arranged at the bottom of the heat treatment furnace body, the guide rail extends to the loading and unloading interval through the feed inlet, the part of the guide rail extending to the loading and unloading interval is fixed on the base, a trolley is arranged on the base, moving wheels are arranged at the bottom of the trolley, the trolley moves on the guide rail through the moving wheels, and the trolley is connected to the furnace door through a linkage mechanism.

Through adopting above-mentioned technical scheme, the platform truck provides the carrier for the work piece, and the staff loads and unloads the work piece on the platform truck in the loading and unloading interval. The guide rail guides and limits the trolley through the movable wheel, so that the trolley can move between the interior of the heat treatment furnace body and a loading and unloading area, and workers can move through the trolley, so that the possibility that the workers pass through the feeding hole can be reduced, and the possibility that the workers are injured is reduced; and a linkage mechanism is connected between the trolley and the furnace door, and the opening and closing of the furnace door can be controlled by moving the trolley.

Optionally, the linkage mechanism includes a first steel cable and a second steel cable, one end of the first steel cable is connected to one end of the trolley facing the inner cavity of the heat treatment furnace body, and the other end of the first steel cable is connected to the first furnace door; one end of the second steel cable is connected to one end, facing the inner cavity of the heat treatment furnace body, of the trolley, and the other end of the second steel cable is connected to the second furnace door.

By adopting the technical scheme, when the trolley enters the heat treatment furnace body from the loading and unloading area through the feeding hole, the first steel cable on the trolley pulls the first furnace door, the second steel cable pulls the second furnace door, so that the first furnace door and the second furnace door are closed to form the furnace doors, and the feeding hole is closed by the furnace doors. When the trolley enters the loading and unloading area from the interior of the heat treatment furnace body through the feed inlet, the trolley pushes the furnace door open, the furnace door is opened and divided into a first furnace door and a second furnace door, and after the trolley completely exits from the feed inlet, the first steel cable and the second steel cable limit the trolley so as to reduce the possibility that the trolley cannot load and unload workpieces due to leaving the loading and unloading area.

Optionally, the trolley is close to the side wall of the first furnace door and the side wall of the second furnace door, and embedded grooves are formed in the side wall of the trolley close to the first furnace door and the side wall of the trolley close to the second furnace door, and the first steel cable and the second steel cable are received in the corresponding embedded grooves.

Through adopting above-mentioned technical scheme, after the platform truck got into heat treatment furnace body, when the interval between first furnace gate and the second furnace gate was less than the width of platform truck, first cable wire and second cable wire were towards the laminating of platform truck, and the embedded groove on the platform truck lateral wall can be accomodate first cable wire and second cable wire and spacing to first cable wire and second cable wire expose and receive the possibility of damage outside the platform truck when reducing heat treatment.

Optionally, a through hole is formed in the side, close to each other, of the first furnace door and the second furnace door, a push-pull rod is connected to the side wall, away from the inner cavity of the heat treatment furnace body, of the trolley, the push-pull rod penetrates through the through hole and extends to the loading and unloading area, and a driving mechanism is connected to one end, away from the trolley, of the push-pull rod.

By adopting the technical scheme, one end of the push-pull rod is connected to the side wall of the trolley far away from the inner cavity of the heat treatment furnace body, when the trolley is positioned in the heat treatment furnace body, the furnace door is closed, the push-pull rod penetrates through the through hole and extends to the driving mechanism in the loading and unloading area, and the possibility that the push-pull rod is damaged due to extrusion of the first furnace door and the second furnace door can be reduced.

Optionally, the driving mechanism is a driving cylinder, the driving cylinder is mounted on the base, and a piston rod of the driving cylinder is connected with the push-pull rod.

By adopting the technical scheme, an operator operates the driving cylinder, drives the driving cylinder to drive the push-pull rod to move back and forth along the horizontal direction so as to drive the trolley to move back and forth, so that the trolley is moved into the heat treatment furnace body or into a loading and unloading interval, and the furnace door is opened and closed along with the movement of the trolley through the linkage mechanism, thereby facilitating the operation of the operator and being beneficial to improving the working efficiency.

Optionally, a sealing strip is arranged between the first furnace door and the second furnace door.

By adopting the technical scheme, when the first furnace door and the second furnace door are closed, the sealing strip is tightly abutted between the first furnace door and the second furnace door, so that the sealing property of the furnace doors can be improved, and the possibility of a large amount of heat overflow caused by gaps of the heat treatment furnace body is reduced.

Optionally, a buffer layer is arranged on one side of the trolley, which is far away from the inner cavity of the heat treatment furnace body.

By adopting the technical scheme, when the trolley moves to the loading and unloading area from the interior of the heat treatment furnace body, the buffer layer forms buffer protection between the trolley and the furnace door, and the possibility of damage caused by collision between the trolley and the furnace door is reduced.

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

1. the first furnace door and the second furnace door form a side-by-side furnace door, so that the height of the furnace door is not changed when the furnace door is opened and closed, and the possibility of damage caused by crushing workers or products due to faults when the furnace door is opened and closed vertically and vertically is reduced;

2. the first steel cable and the second steel cable form a linkage mechanism between the furnace door and the platform workshop, and when the trolley enters the heat treatment furnace body from the feed port, the linkage mechanism drives the first furnace door and the second furnace door to be closed, so that the furnace door can close the feed port, and the furnace door is closed while feeding, thereby improving the working efficiency;

3. the driving cylinder drives the push-pull rod, so that the trolley moves on the guide rail through the moving wheel, when the trolley moves from the feed inlet to the loading and unloading area, the trolley pushes the furnace door away, the furnace door is divided into a first furnace door and a second furnace door, the moving direction of the trolley is limited by the moving wheel and the guide rail, the trolley can be guided to the loading and unloading area, and a worker can conveniently load and unload workpieces.

Drawings

Fig. 1 is a schematic view of a heat treatment furnace with a closed door in an embodiment of the present application.

Fig. 2 is a schematic view of a heat treatment furnace in which a furnace door is opened in the embodiment of the present application.

Fig. 3 is a schematic view of a dolly in the embodiment of the present application.

Reference numerals: 1. a base; 2. a heat treatment furnace body; 21. a feed inlet; 3. a furnace door; 31. a first oven door; 311. a sealing strip; 32. a second oven door; 33. a through hole; 4. a loading and unloading section; 5. a guide rail; 6. a trolley; 61. a moving wheel; 62. a groove is embedded; 63. a buffer layer; 7. a linkage mechanism; 71. a first wire rope; 72. a second wire rope; 8. a push-pull rod; 9. a drive mechanism; 91. the cylinder is driven.

Detailed Description

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

The embodiment of the application discloses a heat treatment furnace for machining a duplexer cover body. Referring to fig. 1 and 2, a base 1 is a rectangular cement seat poured in a factory area, a heat treatment furnace body 2 is installed on the base 1, the heat treatment furnace body 2 is rectangular, a rectangular feed port 21 is formed in one side wall of the heat treatment furnace body 2, a furnace door 3 is installed on the feed port 21, the furnace door 3 is of a split door structure, the furnace door 3 is opened and can be divided into a first furnace door 31 and a second furnace door 32, the space towards the feed port 21 of the heat treatment furnace body 2 is a loading and unloading interval 4, and the part of the base 1 located in the loading and unloading interval 4 is flush with the bottom wall of an inner cavity of the heat treatment furnace body 2. The first furnace door 31 is hinged to one side of the heat treatment furnace body 2, provided with the feeding hole 21, the first furnace door 31 can rotate around the hinged position of the first furnace door 31, the second furnace door 32 is hinged to the other side of the heat treatment furnace body 2, provided with the feeding hole 21, the second furnace door 32 can rotate around the hinged position of the second furnace door 32, the first furnace door 31 and the second furnace door 32 are limited in a hinged mode, and the first furnace door 31 and the second furnace door 32 cannot rotate to the inside of the heat treatment furnace body 2.

Referring to fig. 2 and 3, a guide rail 5 is laid on the bottom wall of the inner cavity of the heat treatment furnace body 2, the number of the guide rails 5 is two, the guide rail 5 extends to the base 1 of the loading and unloading area 4 through the feed port 21, the bottom of the furnace door 3 is higher than the guide rail 5, a trolley 6 for loading and unloading workpieces is arranged on the guide rail 5, moving wheels 61 are mounted at four corners of the bottom of the trolley 6, two moving wheels 61 close to the first furnace door 31 move in one guide rail 5, two moving wheels 61 close to the second furnace door 32 move in the other guide rail 5, and the guide rail 5 guides and limits the trolley 6 through the moving wheels 61. The welding of the lateral wall middle part of the 2 inner chambers of heat treatment furnace body is kept away from to platform truck 6 has push-and-pull rod 8, push-and-pull rod 8 adopts the heat resistant steel material, the one end that platform truck 6 was kept away from to push-and-pull rod 8 extends to and connects in loading and unloading interval 4 and actuating mechanism 9, it is specific, actuating mechanism 9 drives actuating cylinder 91 for installing on loading and unloading interval 4 interior base 1, it adopts low-speed cylinder to drive actuating cylinder 91, push-and-pull rod 8 welds in the piston rod that drives actuating cylinder 91, push-and-pull rod 8 is located same axis with the piston rod that drives actuating cylinder 91, and push-and-pull rod 8 all is on a parallel with guide rail 5 with the piston rod that drives actuating cylinder 91.

The driving cylinder 91 drives the push-pull rod 8 to move, so that the trolley 6 performs a linear reciprocating motion along the guide rail 5, and further, the workpiece is fed into the heat treatment furnace body 2 or conveyed to the loading/unloading section 4 by the trolley 6. A linkage mechanism 7 is further arranged between the trolley 6 and the furnace door 3, so that the trolley 6 can drive the furnace door 3 to open and close when moving, specifically, the linkage mechanism 7 is a first steel cable 71 and a second steel cable 72, one end of the first steel cable 71 is welded at one end of the trolley 6 facing the inner cavity of the heat treatment furnace body 2, and the other end of the first steel cable 71 is welded on the first furnace door 31; one end of the second wire 72 is welded to one end of the cart 6 facing the inner cavity of the heat treatment furnace body 2, and the other end of the second wire 72 is welded to the second door 32.

Referring to fig. 2, during feeding, the driving cylinder 91 is activated to move the trolley 6 along the guide rail 5 from the loading/unloading zone 4 to the interior of the heat treatment furnace body 2, and during the movement of the trolley 6, the first steel cable 71 pulls the first furnace door 31 to rotate, the second steel cable 72 pulls the second furnace door 32 to rotate, and the first furnace door 31 and the second furnace door 32 can be closed to form the furnace door 3 to close the feeding hole 21. In the moving process, the first steel cable 71 and the second steel cable 72 are gradually attached to the trolley 6, the side wall of the trolley 6 close to the first furnace door 31 and the side wall of the trolley 6 close to the second furnace door 32 are provided with the embedded groove 62, and after the trolley 6 completely enters the heat treatment furnace body 2, the first steel cable 71 and the second steel cable 72 are accommodated in the embedded groove 62, so that the possibility of abrasion caused by swinging of the first steel cable 71 and the second steel cable 72 is reduced.

When the furnace door 3 is closed, the sealing strip 311 is adhered to the side wall of the first furnace door 31 close to the second furnace door 32, and the sealing strip 311 is a strip-shaped aluminum silicate needled blanket which is a heat-insulating refractory material made of aluminum silicate and has good extensibility and strong shock resistance. The side, close to each other, of the first oven door 31 and the second oven door 32 is provided with a through hole 33, and when the oven door 3 is opened, the through hole 33 is divided into semicircular holes on the first oven door 31 and the second oven door 32; when the furnace door 3 is closed, the through hole 33 is circular and has a diameter slightly larger than that of the push-pull rod 8, and the push-pull rod 8 passes through the through hole 33 to connect the trolley 6 with the driving mechanism 9.

Referring to fig. 2, a buffer layer 63 is arranged on one side of the trolley 6 far away from the inner cavity of the heat treatment furnace body 2, the buffer layer 63 is divided into two parts, one buffer layer 63 is higher than the embedded groove 62, the other buffer layer 63 is lower than the embedded groove 62, the buffer layer 63 forms protection between the trolley 6 and the furnace door 3, the buffer layer 63 is made of heat-resistant steel and has a radian towards one side far away from the inner cavity of the heat treatment furnace body 2, and the radian is beneficial to the buffer layer 63 to push the furnace door 3 away. During discharging, the driving cylinder 91 is started to enable the trolley 6 to move from the interior of the heat treatment furnace body 2 to the loading and unloading zone 4 along the guide rail 5, the buffer layer 63 pushes the furnace door 3 open, the furnace door 3 is divided into a first furnace door 31 and a second furnace door 32, and when the trolley 6 moves to the loading and unloading zone 4, the first steel cable 71 and the second steel cable 72 limit the trolley 6 so as to reduce the possibility that the trolley 6 is separated from the guide rail 5.

The implementation principle of the heat treatment furnace for machining the duplexer cover body in the embodiment of the application is as follows: a worker places a workpiece on the trolley 6 in the loading and unloading section 4, starts the driving cylinder 91, and a piston rod of the driving cylinder 91 generates thrust on the push-pull rod 8, so that the trolley 6 is pushed to the interior of the heat treatment furnace body 2 from the loading and unloading section 4 along the guide rail 5, the first steel cable 71 pulls the first furnace door 31, the second steel cable 72 pulls the second furnace door 32, and the first furnace door 31 and the second furnace door 32 are closed to form the furnace door 3 to seal the feeding hole 21; after the heat treatment is finished, the driving cylinder 91 is started, the piston rod of the driving cylinder 91 generates pulling force on the push-pull rod 8, the trolley 6 pushes the furnace door 3 open, and then the trolley 6 is pulled to the loading and unloading section 4 from the interior of the heat treatment furnace body 2 along the guide rail 5.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides a processing of duplexer cover body is with heat treatment furnace, includes base (1), its characterized in that: be equipped with heat treatment furnace body (2) on base (1), one side of heat treatment furnace body (2) is equipped with feed inlet (21), be equipped with furnace gate (3) on feed inlet (21), furnace gate (3) divide into first furnace gate (31) and second furnace gate (32), first furnace gate (31) rotate connect in one side of feed inlet (21) of heat treatment furnace body (2), second furnace gate (32) rotate connect in the opposite side of feed inlet (21) of heat treatment furnace body (2).

2. The heat treatment furnace for machining a duplexer housing, according to claim 1, wherein: keep away from feed inlet (21) one side space of heat treatment furnace body (2) is established to loading and unloading interval (4), the bottom of heat treatment furnace body (2) is equipped with guide rail (5), guide rail (5) by heat treatment furnace body (2) extend to through feed inlet (21) loading and unloading interval (4), just guide rail (5) extend to the part of loading and unloading interval (4) is fixed in on base (1), be equipped with platform truck (6) on base (1), the bottom of platform truck (6) is equipped with removal wheel (61), platform truck (6) pass through removal wheel (61) are in remove on guide rail (5), platform truck (6) through link gear (7) connect in furnace gate (3).

3. The heat treatment furnace for machining the duplexer shield according to claim 2, wherein: the linkage mechanism (7) comprises a first steel cable (71) and a second steel cable (72), one end of the first steel cable (71) is connected to one end, facing the inner cavity of the heat treatment furnace body (2), of the trolley (6), and the other end of the first steel cable (71) is connected to the first furnace door (31); one end of the second steel cable (72) is connected to one end of the trolley (6) facing the inner cavity of the heat treatment furnace body (2), and the other end of the second steel cable (72) is connected to the second furnace door (32).

4. The heat treatment furnace for machining a duplexer housing, according to claim 3, wherein: the trolley (6) is close to the side wall of the first furnace door (31) and close to the side wall of the second furnace door (32), embedded grooves (62) are formed in the side wall, and the first steel cable (71) and the second steel cable (72) are retracted into the corresponding embedded grooves (62).

5. The heat treatment furnace for machining a duplexer housing, according to claim 2, wherein: one side, close to each other, of the first furnace door (31) and the second furnace door (32) is provided with a through hole (33) together, a push-pull rod (8) is connected to the side wall, far away from the inner cavity of the heat treatment furnace body (2), of the trolley (6), the push-pull rod (8) penetrates through the through hole (33) and extends to the loading and unloading area (4), and one end, far away from the trolley (6), of the push-pull rod (8) is connected with a driving mechanism (9).

6. The heat treatment furnace for machining a duplexer housing, according to claim 5, wherein: the driving mechanism (9) is a driving cylinder (91), the driving cylinder (91) is installed on the base (1), and a piston rod of the driving cylinder (91) is connected with the push-pull rod (8).

7. The heat treatment furnace for machining a duplexer housing, according to claim 1, wherein: and a sealing strip (311) is arranged between the first furnace door (31) and the second furnace door (32).

8. The heat treatment furnace for machining a duplexer housing, according to claim 2, wherein: and a buffer layer (63) is arranged on one side of the trolley (6) far away from the inner cavity of the heat treatment furnace body (2).

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