CN215925002U

CN215925002U - Preheating device for waste heat recycling type isothermal annealing production line

Info

Publication number: CN215925002U
Application number: CN202122632161.0U
Authority: CN
Inventors: 杨硕; 刘书博; 沙宗哲
Original assignee: Guanxian Yuanfeng Industry And Trade Co ltd
Current assignee: Guanxian Yuanfeng Industry And Trade Co ltd
Priority date: 2021-10-30
Filing date: 2021-10-30
Publication date: 2022-03-01
Anticipated expiration: 2031-10-30

Abstract

The utility model relates to the technical field of isothermal annealing production lines, in particular to a preheating device for a waste heat recycling type isothermal annealing production line, which comprises a shell, wherein a first preheating cavity and a second preheating cavity are arranged in the shell, a first preheating box is arranged in the first preheating cavity, a second preheating box is arranged in the second preheating cavity, a first mounting groove is arranged at the top of the shell, a first heating box is fixedly mounted on the inner side wall of the first mounting groove, a first motor box is fixedly mounted on the shell, a motor is fixedly mounted on the inner side wall of the first motor box, a first through hole is formed in a connecting area of the first motor box and the shell, a transmission rod penetrates through the first through hole, a second mounting groove and a third mounting groove are formed in two sides of the shell, heat in the first preheating box and the second preheating box can be extracted and stored in the heating boxes, waste heat in the preheating box can be recycled, the waste heat is saved, and materials on a receiving plate can automatically slide down from the receiving plate, the user is not required to take the material.

Description

Preheating device for waste heat recycling type isothermal annealing production line

Technical Field

The utility model relates to the technical field of isothermal annealing production lines, in particular to a preheating device for a waste heat recycling type isothermal annealing production line.

Background

Isothermal annealing is a new annealing method used to replace complete annealing and incomplete annealing, and is a method of cooling to a temperature below A1 at a relatively high speed, holding the temperature for a certain period of time to transform austenite into pearlite structure, then cooling by air, and the structure and properties obtained after the treatment are similar to each other, but the time required for the treatment can often be greatly shortened, and the purpose of annealing is different due to the difference of steel components. The processing methods thereof are also often different. So-called full annealing, incomplete annealing, diffusion annealing, spheroidizing annealing, stress relief annealing, and the like are commonly used, and preheating of a material by a preheating novel method is required in an isothermal annealing line.

However, when the preheating device for the existing isothermal annealing production line is used, the waste heat cannot be recycled, which is a waste, and meanwhile, the preheating device for the existing isothermal annealing production line cannot automatically discharge materials, so that the function is single.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a preheating device for a waste heat recycling type isothermal annealing production line, which aims to solve the problems that the existing preheating device for the isothermal annealing production line, which is proposed in the background art, cannot recycle waste heat, is wasted, cannot automatically discharge materials and has a single function.

In order to achieve the purpose, the utility model provides the following technical scheme: a preheating device for a waste heat recycling type isothermal annealing production line comprises a shell, wherein a preheating cavity I and a preheating cavity II are arranged in the shell, a first preheating box is arranged in the first preheating cavity, a second preheating box is arranged in the second preheating cavity, the top of the shell is provided with a first mounting groove, the inner side wall of the first mounting groove is fixedly provided with a heat recovery box, a first motor box is fixedly arranged on the shell, a motor is fixedly arranged on the inner side wall of the first motor box, a first through hole is arranged in the connecting area of the first motor box and the shell, a transmission rod is arranged in the first through hole in a penetrating manner, the two sides of the shell are provided with a second mounting groove and a third mounting groove, the second mounting groove and the inner side wall of the third mounting groove are fixedly provided with door plates through hinges, and the first preheating cavity and the second preheating cavity are internally provided with a second through hole.

Preferably, in order to facilitate the movement of the first preheating box and the second preheating box, the first preheating box and one end of the second preheating box are all arranged in the second through hole in a penetrating way, a toothed plate is fixedly arranged on one side of the first preheating box and one side of the second preheating box, and a gear is fixedly arranged at one end of the transmission rod.

Preferably, for the convenience of preheating cabinet one and preheating cabinet two synchronous motion, the other end fixed mounting of transfer line is in on the output shaft of motor, the gear with the pinion rack meshes mutually, preheating cabinet one with all be provided with recess one on the inside wall of preheating cabinet two, install through the axis of rotation and accept the board on the inside wall of recess one, preheating cabinet one with the opposite side of preheating cabinet two all is provided with recess two, fixed mounting has electric telescopic handle on the inside wall of recess two, preheating cabinet one with equal fixed mounting has heating element on the inside wall of preheating cabinet two bottoms.

Preferably, for the automatic discharging device, one end of the electric telescopic rod is fixedly provided with a limiting rod, one end of the bearing plate is provided with a limiting hole, one end of the limiting rod penetrates through the limiting hole, the bearing plate is provided with a vent hole, and the inner side walls of the first preheating box and the second preheating box are both fixedly provided with ejector rods.

Preferably, in order to facilitate the connection of the first connecting pipe and the second connecting pipe, mounting holes are formed in the tops of the first preheating box and the second preheating box, the first connecting pipe is fixedly mounted on the inner side wall of each mounting hole, sealing gaskets are arranged on the tops of the first preheating box and the second preheating box, one end of each sealing gasket is fixedly mounted on the inner side wall of the first connecting pipe, and a connecting rope is fixedly mounted on the top of the first preheating box.

Preferably, in order to alleviate the torsional moment force that produces through the pinion rack between preheating cabinet one and the preheating cabinet two, be provided with through-hole three in the reheating box, fixed mounting has the assembly pulley on the inside wall of through-hole three, the one end of connecting the rope passes through-hole three with assembly pulley fixed mounting is in the top of preheating cabinet two, the equal fixed mounting in both ends of reheating box has motor case two.

Preferably, in order to facilitate the waste heat recovery of the utility model, a first suction fan and a second suction fan are respectively and fixedly installed on the inner side wall of the second motor box, a second connecting pipe is fixedly installed at the bottom of the second heat recovery box, one end of the second connecting pipe is arranged in the first connecting pipe in a penetrating manner, one end of the second connecting pipe is fixedly installed with a push rod, and an electric valve is fixedly installed on the inner side wall of the second connecting pipe.

The utility model has the technical effects and advantages that: the electric telescopic rod can drive the limiting rod to move, the limiting rod can be pulled out from the limiting hole, the limiting of the bearing plate can be relieved, the bearing plate can move downwards, and materials on the bearing plate can automatically slide off from the bearing plate without being taken by a user.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a cross-sectional view of the present invention.

FIG. 3 is a cross-sectional view of the heat recovery case of the present invention.

FIG. 4 is a schematic view of the connection between the electric telescopic rod and the stop rod according to the present invention.

FIG. 5 is a cross-sectional view of a first motor case of the present invention.

In the figure: 1. a housing; 2. a first preheating box; 3. a second preheating box; 4. a heat recovery box; 5. a first motor box; 6. an electric motor; 7. a transmission rod; 8. a door panel; 9. a gear; 10. a toothed plate; 11. a bearing plate; 12. an electric telescopic rod; 13. a limiting rod; 14. a first connecting pipe; 15. a gasket; 16. connecting ropes; 17. a pulley block; 18. a motor box II; 19. a first suction fan; 20. a second suction fan; 21. a push rod; 22. an electrically operated valve.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a preheating device for a waste heat recycling type isothermal annealing production line comprises a shell 1, a preheating cavity I and a preheating cavity II are arranged in the shell 1, a preheating box I2 is arranged in the preheating cavity I, a preheating box II 3 is arranged in the preheating cavity II, a mounting groove I is arranged at the top of the shell 1, a heating box 4 is fixedly mounted on the inner side wall of the mounting groove I, mounting grooves II and mounting grooves III are respectively arranged on two sides of the shell 1, door plates 8 are fixedly mounted on the inner side walls of the mounting grooves II and the mounting grooves III through hinges respectively, through holes II are respectively arranged in the preheating cavity I and the preheating cavity II, grooves I are respectively arranged on the inner side walls of the preheating box I2 and the preheating box II 3, a bearing plate 11 is mounted on the inner side wall of the groove I through a rotating shaft, a groove II is respectively arranged on the other side of the preheating box I2 and the preheating box II 3, and an electric telescopic rod 12 is fixedly mounted on the inner side wall of the groove II, the preheating box comprises a preheating box body 2 and a preheating box body 3, wherein heating components are fixedly arranged on the inner side walls of the bottoms of the preheating box body 2 and the preheating box body 3, a limiting rod 13 is fixedly arranged at one end of an electric telescopic rod 12, a limiting hole is formed in one end of an accepting plate 11, one end of the limiting rod 13 penetrates through the limiting hole, and a ventilation hole is formed in the accepting plate 11.

As a technical optimization scheme of the utility model, a first motor box 5 is fixedly installed on a shell 1, a motor 6 is fixedly installed on the inner side wall of the first motor box 5, a first through hole is formed in a connecting area of the first motor box 5 and the shell 1, a transmission rod 7 is penetrated through the first through hole, one ends of a first preheating box 2 and a second preheating box 3 are both penetrated through and installed in the second through hole, a toothed plate 10 is fixedly installed on one sides of the first preheating box 2 and the second preheating box 3, a gear 9 is fixedly installed at one end of the transmission rod 7, the other end of the transmission rod 7 is fixedly installed on an output shaft of the motor 6, the gear 9 is meshed with the toothed plate 10, a connecting rope 16 is fixedly installed at the top of the first ejector rod preheating box 2 on the inner side walls of the first preheating box 2 and the second preheating box 3, a third through hole is formed in a reheating box 4, a pulley block 17 is fixedly installed on the inner side wall of the third through hole, one end of the connecting rope 16 passes through the third through hole and the pulley block 17 and is fixedly installed at the top of the second preheating box 3, after the motor 6 is electrified to work, the gear 9 can be driven to rotate through the transmission rod 7, when the gear 9 rotates, the gear 9 can be matched with the toothed plate 10 to drive the first preheating box 2 and the second preheating box 3 to respectively ascend or descend, so that the positions in the lower shell 1 of the first preheating box 2 and the second preheating box 3 can be changed, and the door plates 8 are arranged on two sides of the preheating box, so that a user can simultaneously operate the first preheating box 2 and the second preheating box 3 on two sides of the preheating box, and meanwhile, the first preheating box 2 and the second preheating box 3 are connected through the connecting rope 16, so that when the gear 9 drives the first preheating box 2 and the second preheating box 3 to move, the gravity of the first preheating box 2 and the gravity of the second preheating box 3 can be mutually offset through the matching of the connecting rope 16 and the pulley block 17, and the gear 9 can drive the first preheating box 2 and the second preheating box 3 to move.

As a technical optimization scheme of the utility model, two ends of a heat recovery box 4 are fixedly provided with a motor box II 18, the inner side walls of the motor box II 18 are respectively and fixedly provided with a suction fan I19 and a suction fan II 20, the bottom of the heat recovery box 4 is fixedly provided with a connecting pipe II, one end of the connecting pipe II is arranged in a connecting pipe I14 in a penetrating way, one end of the connecting pipe II is fixedly provided with a push rod 21, the inner side wall of the connecting pipe II is fixedly provided with an electric valve 22, the top parts of a preheating box I2 and a preheating box II 3 are respectively provided with a mounting hole, the inner side wall of the mounting hole is fixedly provided with a connecting pipe I14, the top parts of the preheating box I2 and the preheating box II 3 are respectively provided with a sealing gasket 15, one end of each sealing gasket 15 is fixedly arranged on the inner side wall of the connecting pipe I14, after materials in the preheating box I2 are preheated, a user can enable the preheating box I2 to move upwards, so that the connecting pipe II at one end of the heat recovery box 4 is arranged in the connecting pipe I14 at the top part of the preheating box I2 in a penetrating way, meanwhile, the electric valve 22 in the second connecting pipe at the other end of the heat recovery box 4 can be closed, then the second suction fan 20 is electrified to work, the heat in the first preheating box 2 can be pumped into the heat recovery box 4, the air pressure in the heat recovery box 4 can be increased, then a user can move the first preheating box 2 into the second preheating cavity, the second preheating box 3 is moved into the first preheating cavity, meanwhile, the second connecting pipe at the other end of the heat recovery box 4 is arranged in the first connecting pipe 14 at the top of the second preheating box 3 in a penetrating mode, then the electric valve 22 is opened, the heat in the heat recovery box 4 flows into the second preheating box 3, and further the heat in the preheating box can be recycled, and similarly, the first suction fan 19 is used for pumping the heat in the second preheating box 3 and discharging the heat in the first preheating box 2 according to the method, so that the waste heat in the heat recovery box can be recycled, and the waste heat in the heat recovery box is saved.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a waste heat is recycled type isothermal annealing is preheating device for production line, includes shell (1), its characterized in that: a first preheating cavity and a second preheating cavity are arranged in the shell (1), a first preheating box (2) is arranged in the first preheating cavity, a second preheating box (3) is arranged in the second preheating cavity, a first mounting groove is arranged at the top of the shell (1), a heat recovery box (4) is fixedly arranged on the inner side wall of the first mounting groove, a first motor box (5) is fixedly arranged on the shell (1), the inner side wall of the first motor box (5) is fixedly provided with a motor (6), a first through hole is formed in the connecting area of the first motor box (5) and the shell (1), a transmission rod (7) is arranged in the through hole I in a penetrating manner, two sides of the shell (1) are respectively provided with a second mounting groove and a third mounting groove, and the mounting groove II and the inner side wall of the mounting groove III are fixedly provided with door plates (8) through hinges, and the preheating cavity I and the preheating cavity II are internally provided with through holes II.

2. The preheating device for a waste heat recycling type isothermal annealing production line according to claim 1, wherein: the preheating cabinet (2) with the one end of preheating cabinet two (3) is all worn to establish in the through-hole two, preheating cabinet (2) with the equal fixed mounting in one side of preheating cabinet two (3) has pinion rack (10), transfer line (7) one end fixed mounting has gear (9).

3. The preheating device for a waste heat recycling type isothermal annealing production line according to claim 2, wherein: the other end fixed mounting of transfer line (7) is in on the output shaft of motor (6), gear (9) with pinion rack (10) mesh mutually, preheating cabinet (2) with all be provided with recess one on the inside wall of preheating cabinet two (3), install through the axis of rotation on the inside wall of recess one and accept board (11), preheating cabinet (2) with the opposite side of preheating cabinet two (3) all is provided with recess two, fixed mounting has electric telescopic handle (12) on the inside wall of recess two, preheating cabinet (2) with equal fixed mounting has heating element on the inside wall of preheating cabinet two (3) bottom.

4. The preheating device for a waste heat recycling type isothermal annealing production line according to claim 3, wherein: one end fixed mounting of electric telescopic handle (12) has gag lever post (13), it is provided with spacing hole to accept one end on board (11), the one end of gag lever post (13) is worn to establish spacing downthehole, it is provided with the ventilation hole to accept on board (11), preheating cabinet one (2) with equal fixed mounting has the ejector pin on the inside wall of preheating cabinet two (3).

5. The preheating device for a waste heat recycling type isothermal annealing production line according to claim 1, wherein: the preheating cabinet (2) and the top of preheating cabinet two (3) all are provided with the mounting hole, fixed mounting has connecting pipe (14) on the inside wall of mounting hole, preheating cabinet (2) with the top of preheating cabinet two (3) all is provided with sealed pad (15), the one end fixed mounting of sealed pad (15) is in on the inside wall of connecting pipe (14), the top fixed mounting of preheating cabinet (2) has connection rope (16).

6. The preheating device for a waste heat recycling type isothermal annealing production line according to claim 5, wherein: the preheating box is characterized in that a third through hole is formed in the preheating box (4), a pulley block (17) is fixedly mounted on the inner side wall of the third through hole, one end of a connecting rope (16) penetrates through the third through hole and the pulley block (17) and is fixedly mounted at the top of the second preheating box (3), and motor boxes (18) are fixedly mounted at two ends of the preheating box (4).

7. The preheating device for a waste heat recycling type isothermal annealing production line according to claim 6, wherein: the utility model discloses a heat pump device, including motor case two (18), motor case two fixed mounting has suction fan one (19) and suction fan two (20) respectively on the inside wall, the bottom fixed mounting of heat recovery case (4) has connecting pipe two, the one end of connecting pipe two is worn to establish in connecting pipe one (14), the one end fixed mounting of connecting pipe two has push rod (21), fixed mounting has electric valve (22) on the inside wall of connecting pipe two.