CN219409809U - Roller type heat treatment furnace for solid melting and aging - Google Patents

Abstract

The utility model discloses a solid-melting aging roller-type heat treatment furnace, which comprises a feeding roller way, a solid melting furnace, a quenching device, an aging furnace and a discharging roller way; a solid smelting furnace feeding furnace door and a solid smelting furnace discharging furnace door are respectively arranged at the solid smelting furnace feeding port and the solid smelting furnace discharging port; the quenching device is arranged at one side of a solid smelting furnace discharge port of the solid smelting furnace; an ageing furnace feeding furnace door and an ageing furnace discharging furnace door are respectively arranged at the ageing furnace feeding port and the ageing furnace discharging port; the discharging roller way is arranged at one side of a discharging hole of the ageing furnace; the solid smelting furnace feeding furnace door, the solid smelting furnace discharging furnace door, the ageing furnace feeding furnace door and the ageing furnace discharging furnace door are identical in structure and comprise door plates, a furnace door driving motor, a driving rotating shaft, a chain wheel A, a chain and a balancing lump box, an output shaft of the furnace door driving motor is connected with the driving rotating shaft, the chain wheel A is arranged on the driving rotating shaft, the chain is wound on the chain wheel A, and two ends of the chain are respectively connected with the top of the door plates and the balancing lump box. The furnace door is opened smoothly, and the manufacturing and using costs are low.

Description

Roller type heat treatment furnace for solid melting and aging

Technical Field

The utility model relates to a solid-melting aging roller type heat treatment furnace, and belongs to the technical field of heat treatment equipment.

Background

The heat treatment furnace is a main device for heat treatment of a workpiece, such as solid melting treatment, quenching treatment and aging treatment of the workpiece, wherein the temperature of the solid melting treatment is higher than that of the aging treatment, and the heat treatment process is completed after the workpiece is sequentially subjected to the solid melting heat treatment, the quenching treatment and the aging heat treatment.

The Chinese patent publication No. CN218478785 discloses a trolley type homogenizing heat treatment furnace, which comprises a lifting mechanism for opening and closing a furnace door, wherein the lifting mechanism comprises lifting rails, gear shafts and transmission motors, the lifting rails are arranged on two sides of an opening of a furnace body, the transmission motors and the gear shafts are arranged on one end, close to the opening of the furnace body, of the top of the furnace body, the transmission motors are connected with the gear shafts, and the transmission motors can provide power for lifting and lowering the furnace door.

The lifting mechanism of the heat treatment furnace has higher driving capability requirement on the transmission motor, namely, the driving motor needs higher power to drive the furnace door to move up and down, so that the manufacturing cost and the using cost of the whole heat treatment furnace are higher, and the lifting mechanism of the heat treatment furnace has high starting load of the transmission motor and poor smoothness of the starting process.

Disclosure of Invention

The utility model aims to provide a solid-melting aging roller type heat treatment furnace, which solves the technical defects that the heat treatment furnace in the prior art adopts a structure that a motor drives a gear shaft and gears on the gear shaft to rotate and the gears drive a furnace door to lift, the lifting of the furnace door can be realized only by a high-power motor, the use cost of the heat treatment furnace is high, and the starting load of the motor is high.

In order to solve the problems, the utility model adopts the following technical scheme: the solid-melting aging roller rod type heat treatment furnace comprises a feeding roller way, a solid melting furnace, a quenching device, an aging furnace and a discharging roller way; the feeding roller way is used for placing and conveying a material frame for containing a workpiece to be processed; the two sides of the solid melting furnace are respectively provided with a solid melting furnace feed port and a solid melting furnace discharge port, a solid melting furnace feed furnace door and a solid melting furnace discharge furnace door are respectively arranged at the solid melting furnace feed port and the solid melting furnace discharge port and are respectively used for opening and closing the solid melting furnace feed port and the solid melting furnace discharge port, wherein the solid melting furnace feed port is positioned at one side of a feed roller way, a combustion cylinder is arranged at the upper part in the solid melting furnace and is used for heating the solid melting furnace in a using state, a conveying roller is arranged in the solid melting furnace and is used for supporting and conveying a material frame containing a workpiece, and a solid melting furnace circulating fan is arranged at the top of the solid melting furnace and is used for circulating high-temperature air in the solid melting furnace; the quenching device is arranged at one side of a discharge hole of the solid smelting furnace and comprises a quenching bracket, a quenching frame, a quenching driving device and a quenching tank, wherein the bottom of the quenching bracket stretches into the quenching tank; the two ends of the ageing furnace are respectively provided with an ageing furnace feed port and an ageing furnace discharge port, the ageing furnace feed port and the ageing furnace discharge port are respectively provided with an ageing furnace feed furnace door and an ageing furnace discharge furnace door which are respectively used for opening and closing the ageing furnace feed port and the ageing furnace discharge port, wherein the ageing furnace feed port is positioned at one side close to the quenching device and is used for accommodating a material frame of a workpiece after liquid quenching to enter the ageing furnace, the upper part in the ageing furnace is provided with a combustion cylinder, the ageing furnace is heated in a using state, the ageing furnace is internally provided with a conveying roller for supporting and conveying the material frame, and the top of the ageing furnace is provided with an ageing furnace circulating fan for circulating high-temperature air in the ageing furnace; the discharging roller way is arranged at one side of the discharging hole of the ageing furnace and is used for supporting and conveying a material frame which is output from the ageing furnace and is filled with the heat-treated workpiece; the structure of the solid smelting furnace feeding furnace door, the solid smelting furnace discharging furnace door, the ageing furnace feeding furnace door and the ageing furnace discharging furnace door is the same, the solid smelting furnace feeding furnace door and the ageing furnace discharging furnace door all comprise a door plate, a furnace door driving motor, a driving rotating shaft, a chain wheel A, a chain and a balancing lump box, wherein an output shaft of the furnace door driving motor is connected with the driving rotating shaft and is used for driving the driving rotating shaft to rotate, the chain wheel A is arranged on the driving rotating shaft, the chain is wound on the chain wheel A, one end of the chain is connected with the top of the door plate, the other end of the chain is connected with the balancing lump box, and the moving direction of the balancing lump box is opposite to that of the door plate. The utility model adopts the furnace door driving motor to drive the driving rotating shaft connected with the furnace door driving motor to rotate, and then drives the chain to drive by the chain wheel A on the driving rotating shaft, thereby pulling the furnace door upwards or downwards.

The utility model further improves, the transfer device is arranged between the quenching device and the ageing furnace, the transfer device comprises a transfer guide rail and more than one transfer trolley, the transfer guide rail is fixed on the ground in a use state, the length direction of the transfer guide rail is perpendicular to the direction of the material frame moving from the quenching device to the ageing furnace, when the transfer trolley moves on the transfer guide rail to the two sides of the transfer guide rail to be respectively opposite to the quenching frame and the ageing furnace, the material frame on the quenching frame moves to the transfer trolley, is conveyed into the ageing furnace through the transfer trolley or is directly conveyed to the ageing furnace by the transfer trolley, and only workpieces requiring ageing treatment are conveyed to a feed inlet of the ageing furnace by the transfer trolley and are conveyed into the ageing furnace. The transfer device is arranged, so that the work piece with unqualified quality after quenching treatment can be directly conveyed from the transfer device to be taken off, or the work piece can be fed from the transfer device only when being subjected to effective treatment and not needing to be subjected to solid melting treatment, and the work piece can be directly conveyed from the transfer device to be taken off when being subjected to solid melting treatment and not needing to be subjected to aging treatment, so that the use function of the transfer device is improved.

As a further improvement of the utility model, the transfer trolley comprises a moving frame, a plurality of idler wheels, a plurality of conveying rollers, a trolley moving driving motor and a conveying roller driving motor, wherein the idler wheels are rotatably arranged at the bottom of the moving frame, the trolley moving driving motor is arranged on the moving frame, the trolley moving driving motor drives the idler wheels to rotate and is used for moving the transfer trolley on a transfer guide rail, the conveying rollers are rotatably arranged at the top of the moving frame, the conveying roller driving motor is arranged on the moving frame and is used for driving the conveying rollers to rotate, and the conveying rollers are used for supporting and conveying a material frame containing workpieces. According to the utility model, the rotating trolley moves relative to the transferring guide rail, so that the workpiece can be conveyed in the length direction of the transferring guide rail, and the conveying roller rotates and can be used for horizontally conveying the workpiece in the direction perpendicular to the length direction of the transferring guide rail.

As a further improvement of the utility model, the quenching device also comprises a circulating water pump and a mixed water pipe, wherein the mixed water pipe is arranged at the lower part of the quenching tank, a plurality of nozzles are arranged on the mixed water pipe, the direction of the nozzles is upward, a water inlet channel pipeline of the circulating water pump is communicated with the upper part of the quenching tank, a water outlet of the circulating water pump is communicated with the mixed water pipe by adopting a pipeline, and the circulating water pump pumps quenching liquid in the quenching tank and sprays the quenching liquid from the nozzles on the mixed water pipe for homogenizing the temperature of the quenching liquid. According to the utility model, the circulating water pump is used for extracting the quenching liquid from the upper part of the quenching tank and spraying the quenching liquid upwards from the nozzle on the mixed water pipe, so that the quenching liquid in the liquid fire tank flows up and down, and the temperature distribution of the quenching liquid in the quenching tank is uniform.

As a further improvement of the utility model, the quenching furnace further comprises a heat exchange tube, wherein the heat exchange tube passes through the quenching tank, is positioned below the lowest position of the downward movement of the quenching frame and is arranged above the nozzle, and Gao Wenran gas is introduced into the heat exchange tube for increasing the temperature of the quenching liquid. According to the utility model, the replacement heat pipe is arranged in the quenching tank, and heat is exchanged between the high-temperature fuel gas in the heat exchange pipe and the quenching liquid, so that the temperature of the quenching liquid is increased, and the requirement of a workpiece on the temperature of the quenching liquid is met.

As a further improvement of the utility model, the quenching device also comprises a drainage pipeline, wherein the drainage pipeline is communicated with the quenching tank, and the other end of the drainage pipeline is communicated with a workshop drainage system for discharging quenching liquid after quenching is finished. The utility model is provided with the drainage pipeline, and can drain the quenching liquid in the quenching tank after quenching is finished, so as to facilitate the replacement of the quenching liquid.

As a further improvement of the utility model, a plurality of quenching rollers are rotatably arranged on the quenching frame, a quenching roller driving motor is arranged at the top of the quenching frame and is used for driving the quenching rollers to rotate, and the quenching rollers are used for supporting a material frame containing workpieces during quenching and conveying the material frame to a quenching device after quenching is finished. The utility model is provided with the quenching roller, and the material frame for containing the workpiece can be horizontally conveyed on the quenching frame through the rotation of the quenching roller.

As a further development of the utility model, the solid-state furnace comprises two solid-state furnace modules arranged in parallel, the number of combustion cans in the solid-state furnace module on the side close to the feed roller table being greater than the number of combustion cans in the solid-state furnace module on the side close to the quenching apparatus. The temperature of the workpiece is relatively low when the workpiece just enters the solid melting furnace, and the number of the combustion cylinders is large, so that the temperature of the workpiece in the solid melting furnace can be increased more quickly.

As a further improvement of the utility model, the aging furnace comprises two aging furnace modules which are arranged in parallel, and the number of combustion cylinders in the aging furnace modules close to one side of the quenching device is more than that of combustion cylinders in the aging furnace modules close to one side of the discharging roller way. The temperature of the workpiece is relatively low when the workpiece just enters the aging furnace, and the number of the combustion cylinders is large, so that the temperature of the workpiece in the aging furnace can be increased more quickly.

As a further improvement of the utility model, the solid melting furnace and the aging furnace are respectively provided with a cat ladder which is used for boarding and overhauling the solid melting furnace and the aging furnace. The utility model is provided with the climbing ladder, thereby being more convenient for overhauling the solid melting furnace and the aging furnace.

In summary, the beneficial effects of the utility model are as follows: the furnace door is smooth to open, the manufacturing and using costs are low, the workpiece can be fed from different positions according to different heat treatment requirements, and the heat treatment effect of the furnace door on the workpiece is good.

Drawings

Fig. 1 is a front view of the present utility model.

Fig. 2 is a top view of the present utility model.

Fig. 3 is a cross-sectional view A-A of fig. 1.

Fig. 4 is a B-B cross-sectional view of fig. 1.

Fig. 5 is a C-C cross-sectional view of fig. 1.

Wherein: 1. a feeding roller way; 101. a feed support; 102. a feed conveyor roll; 2. a material frame; 3. a solid melting furnace; 4. a solid melting furnace feeding furnace door; 5. a solid melting furnace discharging furnace door; 6. a combustion cylinder; 7. a conveying roller; 8. a solid melting furnace circulating fan; 9. a quenching device; 10. quenching the bracket; 11. a quenching frame; 12. a quenching driving device; 13. a quenching tank; 14. an aging furnace; 15. feeding furnace door of ageing furnace; 16. discharging furnace door of aging furnace; 17. an ageing furnace circulating fan; 18. a discharging roller way; 19. a door panel; 20. a furnace door driving motor; 21. a chain; 22. a balancing lump box; 23. a transfer device; 24. a transfer guide rail; 25. a transfer trolley; 26. a moving rack; 27. a roller; 28. a trolley moving driving motor; 29. a conveying roller driving motor; 30. a circulating water pump; 31. a mixing water pipe; 32. a nozzle; 33. a heat exchange tube; 34. a drainage pipe; 35. a quenching roller; 36. a quenching roller driving motor; 37. and (5) climbing a ladder.

Description of the embodiments

The following describes the embodiments of the present utility model further with reference to the drawings.

The solid-melting aging roller-type heat treatment furnace shown in fig. 1 and 2 comprises a feeding roller way 1, a solid melting furnace 3, a quenching device 9, an aging furnace 14 and a discharging roller way 18 which are sequentially arranged, wherein the temperature in the solid melting furnace 3 is higher than that in the aging furnace 14, and the solid-melting heat treatment, quenching treatment and aging heat treatment are sequentially carried out on a workpiece, so that the whole heat treatment process of the workpiece is finally completed.

The feeding roller table 1 is used for placing and conveying a material frame 2 for containing a workpiece to be processed, as shown in fig. 3, the feeding roller table 1 comprises a feeding bracket 101, a plurality of feeding conveying rollers 102, a feeding conveying roller driving motor (not shown in the figure), a feeding chain wheel A and a feeding chain (not shown in the figure), the feeding chain wheel A is a double-row chain, two ends of the feeding conveying rollers 102 are rotatably connected with the top of the feeding bracket 101, the feeding conveying rollers 102 are parallel to each other, the central lines of all the feeding conveying rollers 102 are positioned on the same horizontal plane, one feeding chain wheel A is respectively arranged at the same end of all the feeding conveying rollers 102, the feeding chain wheels A at the end parts of the two adjacent feeding conveying rollers 102 are connected with one feeding chain, the feeding chain wheel A at the end parts of the outermost feeding conveying rollers 102 are connected with one chain, the feeding conveying driving motor drives all the feeding conveying rollers 102 to synchronously rotate, and when the feeding roller table is used, the material frame 2 for containing the workpiece to be processed is placed on the feeding conveying rollers 102, and the feeding conveying rollers 102 are rotated.

The two sides of the solid smelting furnace 3 are respectively provided with a solid smelting furnace feed port and a solid smelting furnace discharge port, the solid smelting furnace discharge port is opposite to the solid smelting furnace feed port, the solid smelting furnace feed port and the solid smelting furnace discharge port are respectively provided with a solid smelting furnace feed furnace door 4 and a solid smelting furnace discharge furnace door 5, the solid smelting furnace feed furnace door 4 and the solid smelting furnace discharge furnace door 5 move up and down to be respectively used for opening and closing the solid smelting furnace feed port and the solid smelting furnace discharge port, wherein the solid smelting furnace feed port is positioned at one side of a feed roller table 1, the upper part in the solid smelting furnace 3 is provided with a combustion cylinder 6, the combustion cylinder 6 adopts a pipeline extending out of the solid smelting furnace to be communicated with combustible gas, and the combustion of the combustible gas at the combustion cylinder 6 is used for heating the solid smelting furnace 3 in a use state so as to heat workpieces in the solid smelting furnace, in order to convey the material frame in the solid smelting furnace 3, a plurality of conveying rollers 7 are arranged in the solid smelting furnace 3 and are used for supporting and conveying the material frame 2 containing the workpieces, the central lines of all the conveying rollers 7 and the central lines of all the feeding conveying rollers 102 are positioned on the same horizontal plane so as to receive the material frame conveyed by the feeding conveying rollers 102, a solid smelting furnace circulating fan 8 is arranged at the top of the solid smelting furnace 3, blades of the solid smelting furnace circulating fan 8 extend into the solid smelting furnace 3, the blades of the solid smelting furnace circulating fan 8 rotate and are used for circulating high-temperature air in the solid smelting furnace 3 to ensure uniform temperature distribution in the solid smelting furnace 3, and the conveying rollers 7 and the feeding conveying rollers 102 are driven in the same way and are not repeated. The solid state furnace 3 according to the utility model preferably comprises two solid state furnace modules arranged side by side, which are similar in structure, with the difference that the number of combustion cans 6 in the solid state furnace module on the side close to the feed table 1 is greater than the number of combustion cans 6 in the solid state furnace module on the side close to the quenching apparatus 9, and the temperature is relatively low just when the workpiece enters the solid state furnace 3, so that the number of combustion cans 6 is large to facilitate the rapid rise of the temperature thereof.

The quenching device 9 in the utility model is arranged on one side of a solid smelting furnace discharging hole of the solid smelting furnace 3, as shown in fig. 4, the quenching device 9 comprises a quenching bracket 10, a quenching bracket 11, a quenching driving device 12 and a quenching tank 13, wherein the quenching bracket 10 is in the prior art, the utility model is not described in detail, the bottom of the quenching bracket 10 extends into the quenching tank 13, the quenching bracket 11 is arranged on the quenching bracket 10 and forms a vertical moving pair with the quenching bracket 10, the quenching bracket 11 is driven by the quenching driving device 12 to move up and down relative to the quenching bracket 10, the quenching bracket 11 and the quenching bracket 10 are also in the prior art, the utility model is not described in detail, the quenching driving device 12 preferably adopts a cylinder, the cylinder body of the cylinder is arranged at the top of the quenching bracket 10, the piston rod of the cylinder stretches downwards, and the piston rod of the cylinder stretches or contracts to push the quenching bracket 11 to move up and down relative to the quenching bracket 10, so that the quenching bracket 11 is immersed in quenching liquid in the quenching tank or the quenching bracket 11 moves out of the quenching liquid, the quenching bracket 11 receives a material 2 outputted by the solid smelting furnace 3 and moves from the quenching bracket 2 to the quenching bracket 2, and then the quenching bracket 2 moves from the quenching bracket 2 to the quenching bracket 2.

According to the utility model, an ageing furnace feed port and an ageing furnace discharge port are respectively arranged at two ends of an ageing furnace 14, an ageing furnace feed furnace door 15 and an ageing furnace discharge furnace door 16 are respectively arranged at the ageing furnace feed port and the ageing furnace discharge port, the ageing furnace feed furnace door 15 and the ageing furnace discharge furnace door 16 move up and down to be respectively used for opening and closing the ageing furnace feed port and the ageing furnace discharge port, wherein the ageing furnace feed port is positioned at one side close to a quenching device 9, a material frame 2 for containing a workpiece after liquid quenching enters the ageing furnace 14, a combustion cylinder 6 is arranged at the upper part of the ageing furnace 14, the ageing furnace 14 is heated in a using state, in order to convey the material frame 2 in the ageing furnace 14, a conveying roller 7 is arranged in the ageing furnace 14, the mounting structure of the conveying roller 7 in the ageing furnace 14 and the structure for driving the conveying roller 7 are the same as those of the conveying roller 7 in a solid smelting furnace 3, the structure in the solid smelting furnace 3 can be referred to in particular, the smelting furnace is not repeated, the ageing furnace 14 is provided with a circulating fan 17 at the top and the solid circulating fan 8 for circulating air blower fan 8, and the circulating fan 8 is not referred to the circulating air circulating fan 8. The ageing furnace 14 in the utility model comprises two ageing furnace modules which are arranged in parallel and have similar structures, and the difference is that the number of combustion cans 6 in the ageing furnace modules at the side close to the quenching device 9 is more than the number of combustion cans 6 in the ageing furnace modules at the side close to the discharge roller table 18.

The discharging roller way 18 is arranged at one side of the discharging hole of the aging furnace 14 and is used for supporting and conveying the material frame 2 which is output from the aging furnace 14 and contains the heat-treated workpiece, the structure of the discharging roller way 18 is the same as that of the feeding roller way 1, and the structure of the feeding roller way 1 can be specifically referred to, and the utility model is not repeated.

The solid-state furnace feeding furnace door 4, the solid-state furnace discharging furnace door 5, the ageing furnace feeding furnace door 15 and the ageing furnace discharging furnace door 16 in the utility model have the same structure, the solid-state furnace feeding furnace door 4 is taken as an example for illustration, the solid-state furnace feeding furnace door 4 comprises a rectangular door plate 19, a furnace door driving motor 20, a driving rotating shaft, a chain wheel A, a chain 21 and a balance lump box 22, the driving rotating shaft is rotatably arranged at the top of the solid-state furnace 3 and is parallel to the conveying roller 7, the furnace door driving motor 20 is arranged at the top of the solid-state furnace 3, the output shaft of the furnace door driving motor 20 is connected with one end of the driving rotating shaft for driving the driving rotating shaft to rotate, the chain wheel A in the utility model is arranged on the driving rotating shaft and does not rotate relative to the driving rotating shaft, if the chain wheel A is connected with the driving rotating shaft by a key, and the like, the chain 21 winds on the chain wheel A, both ends of the chain 21 are bent downwards, one end of the chain 21 is fixedly connected with the top of the door plate 19, the other end of the chain 21 is connected with the balance lump box 22, and the moving direction of the balance lump box 22 is opposite to that of the door plate 19.

The transfer device 23 is preferably arranged between the quenching device 9 and the ageing furnace 14, as shown in fig. 5, the transfer device 23 comprises transfer guide rails 24 and more than one transfer trolley 25, one transfer trolley 25 is preferably arranged, the number of the transfer guide rails 24 is two, the two transfer guide rails 24 are arranged in parallel, namely, the length direction of the transfer guide rails 24 is perpendicular to the direction of moving the material frame 2 from the quenching device 9 to the ageing furnace 14, the transfer guide rails 24 are parallel to the conveying rollers 7, the transfer guide rails 24 are fixed on the ground (such as bolts are used for fixing on the ground) in a use state, when the transfer trolley 25 is moved on the transfer guide rails 24 to the two sides of the transfer guide rails opposite to the quenching frame 11 and the ageing furnace 14 respectively, the material frame 2 on the quenching frame 11 is moved onto the transfer trolley 25, and is conveyed into the ageing furnace 14 through the transfer trolley 25 or is directly conveyed by the transfer trolley 25 to the lower line, and for workpieces requiring only ageing treatment, the work pieces are conveyed into the ageing furnace 14 through the transfer trolley 25 to a feed port of the ageing furnace 14. The transfer device 23 has three main functions, namely, after quenching, unqualified workpieces are directly conveyed to be off line through the transfer device 23 and no subsequent aging heat treatment is performed; secondly, for the work piece that does not need to go through solid melting heat treatment, directly carry out ageing heat treatment, can use transfer device 23 as feed mechanism, place the material frame 2 that holds the work piece on transfer device 23, carry ageing furnace feed inlet department by transfer device 23, carry out ageing heat treatment to ageing furnace 14 internal feeding, thirdly, for the work piece that only needs to go on solid melting heat treatment, and do not need to carry out ageing heat treatment, after quenching, directly carry the off-line by transfer device 23.

The transfer trolley 25 comprises a moving frame 26, a plurality of idler wheels 27, a plurality of conveying rollers 7, a trolley moving driving motor 28 and a conveying roller driving motor 29, wherein the idler wheels 27 are rotatably arranged at the bottom of the moving frame 26 and are used for being matched with a transfer guide rail 24, the transfer trolley 25 horizontally moves on the transfer guide rail 24 through relative rolling of the idler wheels 27 and the transfer guide rail 24, the trolley moving driving motor 28 is arranged on the moving frame 26, an output shaft of the trolley moving driving motor 28 is connected with a rotating shaft of the idler wheels 27, the trolley moving driving motor 28 drives the idler wheels 27 to rotate for the transfer trolley 25 to move on the transfer guide rail 24, the conveying rollers 7 of the rotating trolley 25 are rotatably arranged at the top of the moving frame 26, the conveying rollers 7 are parallel to the conveying rollers 7 in a fixed smelting furnace, the conveying roller driving motor 29 is arranged at the lower part of the moving frame 26, one end of each conveying roller 7 of the rotating trolley 27 is provided with a sprocket C, an output shaft of the conveying roller driving motor 29 is connected with the sprocket C, the sprocket C is connected with the sprocket C through a chain, and all the conveying rollers 7 are used for driving the conveying rollers 7 to rotate synchronously rotate, and all the conveying rollers 7 are used for supporting the conveying rollers 25 to rotate, and all the conveying rollers 25 are used for supporting and are used for conveying workpieces 2.

The quenching device 9 in the utility model further comprises a circulating water pump 30 and a mixed water pipe 31, wherein the mixed water pipe 31 is arranged at the lower part of the quenching tank 13, the mixed water pipe 31 is horizontally arranged, a plurality of nozzles 32 are arranged on the mixed water pipe 31, the direction of the nozzles 32 is upward, a water inlet channel pipeline of the circulating water pump 30 is communicated with the upper part of the quenching tank 13, a water outlet of the circulating water pump 30 is communicated with the mixed water pipe 31 by adopting a pipeline, and the circulating water pump 30 extracts quenching liquid in the quenching tank 13 from the upper part and is sprayed out from the nozzles 32 on the mixed water pipe 31, so that the quenching liquid flows up and down in the quenching tank 13, and the temperature of the quenching liquid is uniform, thereby being more beneficial to quenching of workpieces.

In order to maintain the quenching temperature, if the quenching liquid temperature of some workpieces is required to be between 90 ℃ and 95 ℃, the heat exchange tube 33 is arranged, the quenching temperature is increased by exchanging heat between the heat exchange tube 33 and the quenching liquid so as to meet the quenching requirement of the workpieces, the heat exchange tube 33 penetrates through the quenching tank 13, the heat exchange tube 33 is preferably arranged in a U shape, the inlet and the outlet of the heat exchange tube extend out of the quenching tank 13 from the same side of the quenching tank 13, the heat exchange tube 33 is positioned below the lowest moving part of the quenching frame 11 and above the nozzle 32, gao Wenran gas is introduced into the heat exchange tube 33 so as to increase the temperature of the quenching liquid, namely, when the quenching frame 11 is moved downwards to be incapable of continuing to move downwards, the heat exchange tube 33 still cannot be contacted with the heat exchange tube 33 or impact is generated, the heat exchange tube 33 is prevented from being damaged, and high-temperature fuel gas can be adopted for heat exchange with the quenching liquid so as to increase the temperature of the quenching liquid.

The quenching device is optimally provided with a drainage pipeline 34, the drainage pipeline 34 is communicated with the quenching tank 13, the other end of the drainage pipeline 34 is communicated with a workshop drainage system, a drainage pump (not shown in the figure) is arranged on the drainage pipeline 34 and used for discharging quenching liquid after quenching is finished, the quenching liquid in the quenching tank 13 is pumped by the drainage pump and is discharged into the workshop drainage system, and the quenching liquid is replaced.

The utility model is provided with a plurality of quenching rollers 35 in a rotating way at the bottom of a quenching frame 11, a quenching roller driving motor 36 is arranged at the top of the quenching frame 11, the quenching roller driving motor 36 is still positioned above the liquid level of quenching liquid and cannot be immersed in the quenching liquid when the quenching frame 11 moves to the lowest position (namely can not move downwards any more), the quenching roller driving motor 36 is connected with all the quenching rollers 35 by chains and is used for driving all the quenching rollers 35 to synchronously rotate, and the quenching rollers 35 are used for supporting a material frame 2 containing workpieces during quenching and conveying the material frame 2 to a quenching device 9 after quenching is finished.

In order to facilitate the overhaul of the solid melting furnace 4 and the ageing furnace 14, the utility model is provided with a climbing ladder 37 on the solid melting furnace 3 and the ageing furnace 14 for climbing and overhauling the solid melting furnace 3 and the ageing furnace 14 respectively.

All parts not specifically described in the above description are prior art or can be realized by prior art. Moreover, the embodiments of the present utility model are described in the preferred embodiments of the present utility model, and are not intended to limit the scope of the present utility model. Equivalent changes and modifications of the utility model are to be considered as technical scope of the present utility model.

Claims (10)

1. The solid-melt aging roller rod type heat treatment furnace is characterized in that: comprising

The feeding roller way (1) is used for placing and conveying a material frame (2) containing a workpiece to be processed;

the device comprises a solid smelting furnace (3), wherein a solid smelting furnace feed port and a solid smelting furnace discharge port are respectively arranged on two sides of the solid smelting furnace (3), a solid smelting furnace feed furnace door (4) and a solid smelting furnace discharge furnace door (5) are respectively arranged at the solid smelting furnace feed port and the solid smelting furnace discharge port, the solid smelting furnace feed port is respectively used for opening and closing the solid smelting furnace feed port and the solid smelting furnace discharge port, the solid smelting furnace feed port is positioned on one side of a feed roller table (1), a combustion cylinder (6) is arranged at the inner upper part of the solid smelting furnace (3), the solid smelting furnace (3) is internally heated in a using state, a conveying roller (7) is arranged in the solid smelting furnace (3), a material frame (2) for supporting and conveying a workpiece is arranged at the top of the solid smelting furnace (3), and a solid smelting furnace circulating fan (8) is arranged at the top of the solid smelting furnace (3) and used for circulating high-temperature air in the solid smelting furnace (3);

the quenching device (9) is arranged at one side of a solid smelting furnace discharge hole of the solid smelting furnace (3), and comprises a quenching bracket (10), a quenching frame (11), a quenching driving device (12) and a quenching tank (13), wherein the bottom of the quenching bracket (10) stretches into the quenching tank (13), the quenching frame (11) is arranged on the quenching bracket (10) and is driven by the quenching driving device (12) to move up and down relative to the quenching bracket (10), the quenching frame (11) receives a material frame (2) output by the solid smelting furnace (3), then moves downwards to be immersed in quenching liquid in the quenching tank (13), and then moves upwards from the quenching liquid by the quenching frame (11) to quench workpieces in the material frame (2);

an ageing furnace (14), an ageing furnace feed port and an ageing furnace discharge port are respectively formed in two ends of the ageing furnace (14), an ageing furnace feed furnace door (15) and an ageing furnace discharge furnace door (16) are respectively arranged in the ageing furnace feed port and the ageing furnace discharge port, and are respectively used for opening and closing the ageing furnace feed port and the ageing furnace discharge port, wherein the ageing furnace feed port is positioned at one side close to a quenching device (9), a material frame (2) for containing a liquid quenched workpiece enters the ageing furnace (14), a combustion cylinder (6) is arranged at the upper part in the ageing furnace (14), the ageing furnace (14) is heated in a use state, a conveying roller (7) is arranged in the ageing furnace (14) and is used for supporting and conveying the material frame (2), and an ageing furnace circulating fan (17) is arranged at the top of the ageing furnace (14) and is used for circulating high-temperature air in the ageing furnace (14);

the discharging roller way (18) is arranged at one side of a discharging hole of the ageing furnace (14) and is used for supporting and conveying a material frame (2) which is output from the ageing furnace (14) and is filled with the heat-treated workpiece;

the structure of the solid melting furnace feeding furnace door (4), the solid melting furnace discharging furnace door (5), the ageing furnace feeding furnace door (15) and the ageing furnace discharging furnace door (16) is the same, the solid melting furnace feeding furnace door comprises a door plate (19), a furnace door driving motor (20), a driving rotating shaft, a chain wheel A, a chain (21) and a balancing lump box (22), an output shaft of the furnace door driving motor (20) is connected with the driving rotating shaft and used for driving the driving rotating shaft to rotate, the chain wheel A is arranged on the driving rotating shaft, the chain wheel A winds the chain wheel A, one end of the chain (21) is connected with the top of the door plate (19), the other end of the chain (21) is connected with the balancing lump box (22), and the moving direction of the balancing lump box (22) is opposite to that of the door plate (19).

2. The solid state melt aging roller heat treatment furnace according to claim 1, wherein: still include transfer device (23), transfer device (23) set up between guenching unit (9) and ageing oven (14), this transfer device (23) is including transporting guide rail (24) and more than one transportation dolly (25), transport guide rail (24) are fixed in subaerial under the user state, and the length direction of transporting guide rail (24) is perpendicular with the direction that material frame (2) removed from guenching unit (9) to ageing oven (14), transport dolly (25) remove to its both sides on transporting guide rail (24) respectively with quenching frame (11) time ageing oven (14) when opposite, material frame (2) on quenching frame (11) remove to transport dolly (25), and transport to ageing oven (14) through transport dolly (25) or by transport dolly (25) direct transport work piece of ageing treatment, only need the ageing oven feed inlet of ageing oven (14) and transport to ageing oven (14) in.

3. The solid-melt aging roller heat treatment furnace according to claim 2, wherein: the transfer trolley (25) comprises a moving frame (26), a plurality of rollers (27), a plurality of conveying rollers (7), a trolley moving driving motor (28) and a conveying roller driving motor (29), wherein the rollers (27) are rotatably arranged at the bottom of the moving frame (26), the trolley moving driving motor (28) is arranged on the moving frame (26), the trolley moving driving motor (28) drives the rollers (27) to rotate so as to move the transfer trolley (25) on a transfer guide rail (24), the conveying rollers (7) are rotatably arranged at the top of the moving frame (26), and the conveying roller driving motor (29) is arranged on the moving frame (26) and used for driving the conveying rollers (7) to rotate, and the conveying rollers (7) are used for supporting and conveying a material frame (2) containing workpieces.

4. The solid state melt aging roller heat treatment furnace according to claim 1, wherein: the quenching device (9) further comprises a circulating water pump (30) and a mixed water pipe (31), the mixed water pipe (31) is arranged at the lower part of the quenching tank (13), a plurality of nozzles (32) are arranged on the mixed water pipe (31), the direction of the nozzles (32) is upward, a water inlet channel pipeline of the circulating water pump (30) is communicated with the upper part of the quenching tank (13), a water outlet of the circulating water pump (30) is communicated with the mixed water pipe (31) through a pipeline, and the circulating water pump (30) extracts quenching liquid in the quenching tank (13) and ejects out from the nozzles (32) on the mixed water pipe (31) so as to be used for homogenizing the temperature of the quenching liquid.

5. The solid state melt aging roller heat treatment furnace according to claim 1, wherein: the quenching device further comprises a heat exchange tube (33), the heat exchange tube (33) passes through the quenching tank (13), the heat exchange tube (33) is positioned below the lowest position of the downward movement of the quenching frame (11) and is arranged above the nozzle (32), and Gao Wenran gas is introduced into the heat exchange tube (33) for improving the temperature of quenching liquid.

6. The solid-melt aging roller heat treatment furnace according to claim 4 or 5, wherein: the quenching device further comprises a drainage pipeline (34), wherein the drainage pipeline (34) is communicated with the quenching tank (13), and the other end of the drainage pipeline (34) is communicated with a workshop drainage system for discharging quenching liquid after quenching is finished.

7. The solid state melt aging roller heat treatment furnace according to claim 1, wherein: a plurality of quenching rollers (35) are rotatably arranged on the quenching frame (11), a quenching roller driving motor (36) is arranged at the top of the quenching frame (11), the quenching roller driving motor (36) is used for driving the quenching rollers (35) to rotate, and the quenching rollers (35) are used for supporting a material frame (2) containing workpieces during quenching and conveying the material frame (2) to a quenching device (9) after quenching is completed.

8. The solid state melt aging roller heat treatment furnace according to claim 1, wherein: the solid melting furnace (3) comprises two solid melting furnace modules which are arranged in parallel, and the number of combustion cylinders (6) in the solid melting furnace module close to one side of the feeding roller way (1) is more than that of combustion cylinders (6) in the solid melting furnace module close to one side of the quenching device (9).

9. The solid state melt aging roller heat treatment furnace according to claim 1, wherein: the ageing furnace (14) comprises two ageing furnace modules which are arranged in parallel, and the number of combustion cylinders (6) in the ageing furnace modules close to one side of the quenching device (9) is more than that of combustion cylinders (6) in the ageing furnace modules close to one side of the discharging roller way (18).

10. The solid state melt aging roller heat treatment furnace according to claim 1, wherein: both the solid melting furnace (3) and the aging furnace (14) are provided with a crawling ladder (37) which is used for boarding and overhauling the solid melting furnace (3) and the aging furnace (14) respectively.