CN219807985U

CN219807985U - Heat treatment furnace

Info

Publication number: CN219807985U
Application number: CN202320226437.1U
Authority: CN
Inventors: 鲁利明; 陈兴国; 钱兴木
Original assignee: Shaoxing Huahong Precision Technology Co ltd
Current assignee: Shaoxing Huahong Precision Technology Co ltd
Priority date: 2023-01-19
Filing date: 2023-01-19
Publication date: 2023-10-10
Anticipated expiration: 2033-01-19

Abstract

The utility model discloses a heat treatment furnace, which comprises a box-shaped furnace body, wherein a group of ground embedded rails are respectively arranged at the front end and the rear end of the box-shaped furnace body, a part transportation trolley is arranged on each group of ground embedded rails in a running way, each part transportation trolley comprises a moving bottom trolley and a tray installation frame, each tray installation frame is movably provided with a part tray, each part transportation trolley is provided with a tray furnace inlet mechanism and a tray furnace outlet mechanism which can be in transmission connection with each part tray.

Description

Heat treatment furnace

Technical Field

The utility model relates to the technical field of casting production equipment, in particular to a heat treatment furnace.

Background

The heat treatment is an important process in the production process of castings, and the heat treatment and heating process of castings can be realized by applying a heat treatment furnace. At present, a heat treatment furnace used by enterprises has only one inlet and outlet, and the trolley and the tray are integrated together, so that cast parts needing heat treatment can be directly placed on the trolley and then pushed into the heat treatment furnace for heating. Due to the structural characteristics, the heat treatment furnace used by the current enterprises has the problems of low production utilization rate (the trolley adopts track walking, the trolley is empty in the furnace and cannot realize continuous heat treatment operation) and high energy consumption waste (the energy consumption for the period of time is wasted in order to keep the temperature in the furnace and continue heating when the trolley is empty in the furnace), so the structure of the heat treatment furnace is improved, and the realization of energy-saving and efficiency-increasing production is an urgent requirement of the current enterprises

Disclosure of Invention

The utility model aims to overcome the defects in the prior art and provide a heat treatment furnace.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a heat treatment furnace, includes box furnace body and part travelling bogie, be equipped with the heating chamber that link up from front to back on the box furnace body, lift sealing door is all installed at the front and back both ends of box furnace body, a set of ground pre-buried rail is respectively installed at the front and back both ends of box furnace body, every group all walk on the ground pre-buried rail and install a part travelling bogie, the part travelling bogie includes motion end car and tray mounting frame, tray mounting frame fixed mounting is on motion end car, tray mounting frame movable mounting has the part tray, install tray furnace feeding mechanism and tray mechanism of discharging on the part travelling bogie, tray furnace feeding mechanism and tray mechanism of discharging all can be connected with part tray transmission.

Two tray guide frames are symmetrically arranged on the inner wall of the heating cavity.

The tray mounting frame is provided with a unidirectional opening, the opening is opened towards the box-shaped furnace body, the tray mounting frame comprises two symmetrically arranged U-shaped section beams, the two U-shaped section beams are installed oppositely with the opening faces, and the part tray can be inserted on the two U-shaped section beams.

The tray furnace feeding mechanism comprises a lifting platform and a fork lifter, the fork lifter is arranged on a moving bottom car, the lifting platform is arranged on the fork lifter, a tray moving assembly is arranged at the top of the lifting platform and comprises a furnace feeding driving gear and a driving motor, the furnace feeding driving gears are rotatably arranged on the lifting platform, the furnace feeding driving gears are respectively connected with a driving belt wheel, driving belt wheels are arranged at the output ends of the driving motors, the driving belt wheels are respectively arranged on two sides of the driving motor, the driving belt wheels and the two driving belt wheels are in belt transmission, a driving toothed belt is connected to the bottom surface of the part tray, and when the tray moving assembly is lifted, the driving toothed belt can be meshed with the furnace feeding driving gears.

The tray furnace feeding mechanism further comprises a push rod assembly, two transverse sockets are connected to the outer side walls of the U-shaped section beams, the two transverse sockets are symmetrically arranged at the open end of the tray installation frame, the push rod assembly comprises two push rod seats, the two push rod seats correspond to the two transverse sockets to be installed, a box feeding push rod and a T-shaped cutting are connected to the push rod seats, the push rod seats are inserted on the transverse sockets through the T-shaped cutting, and the box feeding push rod can be propped against the part tray.

The tray discharging mechanism comprises a winding drum device, a pull rope and guide wheels, one end of the pull rope is wound on the winding drum device, the other end of the pull rope extends into the range of the tray mounting frame after being guided by the guide wheels and is connected with a draw hook, the front end and the rear end of the part tray are both connected with discharging pull rings, and the draw hook can be hooked on the discharging pull rings.

The tray discharging mechanism further comprises an auxiliary hook rod, one end of the auxiliary hook rod is connected with a handshake ring, and the other end of the auxiliary hook rod is connected with a hook head.

The stay cord is connected with the limit dish, the limit dish is connected in the position that is close to the drag hook.

The beneficial effects of the utility model are as follows: the box-shaped furnace body adopts a bidirectional in-out structure design, the part tray and the part transportation trolley adopt a transferable and separable structure design, and the part tray and the parts to be heated are alternately conveyed into the box-shaped furnace body by arranging the two part transportation trolleys, so that the purpose of uninterrupted operation of the heat treatment furnace is achieved.

Drawings

FIG. 1 is a top layout view of the present utility model;

FIG. 2 is a front view of the box-shaped furnace body of the present utility model;

FIG. 3 is a side elevational view of the part carrier of the present utility model;

FIG. 4 is a top view mounting block diagram of the parts pallet of the present utility model;

fig. 5 is a bottom view of the component tray of the present utility model.

In the figure: the box-shaped furnace body 1, a heating cavity 11, a tray guide frame 111, a lifting sealing door 12, a ground embedded rail 2, a part transportation trolley 3, a motion chassis 31, a tray mounting frame 32, a U-shaped section beam 321, a part tray 33, a transmission toothed belt 331, a transverse socket 332, a furnace discharging pull ring 333, a tray furnace feeding mechanism 4, a lifting platform 41, a fork lifter 42, a tray moving assembly 43, a furnace feeding driving gear 431, a transmission belt wheel 432, a driving motor 433, a driving belt wheel 434, a push rod assembly 44, a push rod seat 441, a box feeding push rod 442, a T-shaped inserting strip 443, a tray furnace discharging mechanism 5, a winding drum device 51, a pull rope 52, a limiting disc 521, a guide wheel 53, a pull hook 54, an auxiliary hook rod 55, a handshake ring 551 and a hook head 552.

Detailed Description

The utility model is further described with reference to the drawings and detailed description, wherein the description of the utility model such as "left" and "right" is directed with reference to fig. 1:

as shown in figures 1-5, a heat treatment furnace comprises a box-shaped furnace body 1 and a part transportation trolley 3, wherein a heating cavity 11 which is penetrated in the front and the back is arranged on the box-shaped furnace body 1, feeding can be carried out on two sides, lifting sealing doors 12 are arranged at the front and the back of the box-shaped furnace body 1, the lifting sealing doors 12 are conventional mechanisms of the heat treatment furnace, not more description is made here, the front and the back of the heating cavity 11 can be respectively sealed through the lifting sealing doors 12, the two lifting sealing doors 12 are in linkage interlocking, when one lifting sealing door 12 is opened, the other lifting sealing door is in a closed state, the front and the back penetration state of the heating cavity 11 during operation is prevented (a large amount of heat is lost when the front and the back are penetrated in the operation), a group of ground embedded rails 2 are respectively arranged at the front and the back of the box-shaped furnace body 1, a part transportation trolley 3 is arranged on each group of ground embedded rails 2 in a running way, the two parts transporting trolleys 3 can alternately operate and can alternately convey parts to the box-shaped furnace body 1 to form uninterrupted operation, the parts transporting trolleys 3 comprise a moving trolley 31 and a tray mounting frame 32, the tray mounting frame 32 is fixedly mounted on the moving trolley 31, the moving trolley 31 can walk on the ground embedded rail 2, the tray mounting frame 32 is movably provided with a parts tray 33, the parts tray 33 can be separated and can be transferred, when the parts transporting trolleys 3 are used, the lifting operation of casting parts can be carried out, when the parts transporting trolleys are transferred into the box-shaped furnace body 1, the heating operation of casting parts can be carried out, the parts transporting trolleys 3 are provided with a tray furnace inlet mechanism 4 and a tray furnace outlet mechanism 5, the tray furnace inlet mechanism 4 and the tray furnace outlet mechanism 5 can be in transmission connection with the parts tray 33, the tray furnace inlet mechanism 4 and the tray furnace outlet mechanism 5 can be respectively used, after the utility model is applied, the heat treatment furnace can work continuously, workers can alternately hoist parts on two stations (two part transportation trolleys 3), the production continuity is good, the single-shift yield can be greatly improved, the empty time of the furnace chamber can be effectively reduced, the production utilization rate of the heat treatment furnace can be greatly improved, and the waste of energy consumption can be greatly reduced.

As shown in fig. 2, two tray guide frames 111 are symmetrically installed on the inner wall of the heating chamber 11, and the guide frames 111 can perform the lifting supporting and movement guiding functions of the part tray 33, and under the guiding functions, the part tray 33 can smoothly transfer movement between the heating chamber 11 and the part transportation trolley 3.

As shown in fig. 3 and 4, the tray mounting frame 32 is provided with a unidirectional opening, so as to facilitate the in-out movement of the part tray 33, the opening is opened towards the box-shaped furnace body 1, the tray mounting frame 32 comprises two symmetrically arranged U-shaped section beams 321, the two U-shaped section beams 321 are installed with opposite opening surfaces to form a tray accommodating space, the part tray 33 can be inserted on the two U-shaped section beams 321, and cast parts to be heated can be placed on the part tray 33.

As shown in fig. 3-5, the tray feeding mechanism 4 comprises a lifting platform 41 and a fork lifter 42, the fork lifter 42 is mounted on the moving chassis 31, the lifting platform 41 is mounted on the fork lifter 42, a tray moving assembly 43 is mounted on the top of the lifting platform 41, the fork lifter 42 is of the prior art, the structure and principle of the structure and principle are not described here, the fork lifter 42 can drive the lifting platform 41 to lift so as to form the purpose of lifting the tray moving assembly 43, when the tray moving assembly 43 lifts, the tray moving assembly 43 can be in transmission connection with the part tray 33, the purpose of driving the part tray 33 to move is achieved, the tray moving assembly 43 comprises a tray feeding driving gear 431 and a driving motor 433, two tray feeding driving gears 431 are rotatably mounted on the lifting platform 41, driving pulleys 432 are connected to the two tray feeding driving gears 431, driving motors 433 are mounted at the output ends of the driving pulleys 434, the two tray feeding driving gears 431 are respectively arranged on two sides of the driving motors 433, the driving pulleys 434 and the two driving pulleys 432 are driven by belts, when the driving motors 433 are started, the driving pulleys 433 can drive the two tray moving pulleys 431 to rotate through the driving pulleys 434, and the two tray moving gears 33 can be driven by the driving pulleys 431 to rotate synchronously, and the tray 33 can be meshed with the toothed belt 33 when the tray 33 rotates, and the tray moving assembly 33 rotates, and the tray moving mechanism 33 can be driven by the toothed belt 33 through the toothed belt 33 when the toothed belt rotates, and the tray 33 rotates, and the tray moving assembly 33 rotates.

As shown in fig. 4, the tray furnace feeding mechanism 4 further includes a ram assembly 44, the outer side walls of the two U-shaped section beams 321 are both connected with a transverse socket 332, the two transverse sockets 332 are symmetrically installed at the open end position of the tray installation frame 32, the ram assembly 44 includes two ram seats 441, the two ram seats 441 are installed corresponding to the two transverse sockets 332, a box ram 442 and a T-shaped cutting 443 are connected to the ram seats 441, the ram seats 441 are inserted on the transverse sockets 332 through the T-shaped cutting 443, the structure is provided, the ram assembly 44 has the advantage of convenient disassembly and assembly, the mounting position of the furnace feeding driving gear 431 is limited, the part tray 33 cannot be completely pushed into the heating cavity 11 through the moving disc assembly 43, the secondary supplementing operation is needed through the ram assembly 44, because the ram assembly 44 can interfere with the movement of the part tray 33, the ram assembly 44 is not installed at ordinary times, the secondary supplementing operation is needed, the ram assembly 44 is installed, the mounting assembly 44 is firstly carried out, the part carrier truck 3 is pushed back, the small box ram 33 is completely moved back, the small ram 33 is completely falls into the heating cavity 11, the box ram 33 is completely moved back into the heating cavity, and the small box ram 33 is completely moved into the heating cavity 11, the small box ram 33 is completely moved into the box body 33, and the box ram 33 is completely moved into the heating cavity, the box body is completely pushed into the box body 11, and the box body 33 is completely, the box body is completely moved by the small box ram 33, and the small box ram 33 is completely, and the box body is completely moved by the box body is completely, and the box body is completely and can be completely moved by the box.

As shown in fig. 3 and 4, the tray discharging mechanism 5 comprises a winding drum device 51, a pull rope 52 and a guide wheel 53, one end of the pull rope 52 is wound on the winding drum device 51, the other end of the pull rope is guided by the guide wheel 53 and then extends into the range of the tray mounting frame 32, and is connected with a pull hook 54, the front end and the rear end of the part tray 33 are both connected with a discharging pull ring 333, the pull hook 54 can be hooked on the discharging pull ring 333, and when discharging, the part tray 33 can not be accessed through the tray moving assembly 43 due to the installation position of the feeding driving gear 431, so that the tray discharging mechanism 5 is designed to solve the discharging problem of the part tray 33.

As shown in fig. 4, the tray tapping mechanism 5 further comprises an auxiliary hook rod 55, one end of the auxiliary hook rod 55 is connected with a holding ring 551 for being convenient to hold, the other end of the auxiliary hook rod 55 is connected with a hook head 552 for hooking the draw hook 54, when tapping operation is performed, the temperature in the heating cavity 11 is high, the problem of hooking the draw hook 54 can be solved, the auxiliary hook rod 55 is designed, a worker holds the auxiliary hook rod 55 by hand, the draw hook 54 can be pulled out and hooked on the tapping pull ring 333 in an auxiliary manner, the problem of hooking can be solved through the auxiliary hook rod 55, and the operation safety of the worker is ensured.

As shown in fig. 3, the pull cord 52 is connected with a limiting plate 521, the limiting plate 521 is connected to a position close to the pull hook 54, and the limiting plate 521 can limit the maximum recovery length of the pull hook 54, so as to prevent excessive recovery, and the pull hook 54 falls out of the range of the tray mounting frame 32.

The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.

Claims

1. The utility model provides a heat treatment furnace, includes box furnace body (1) and part travelling bogie (3), its characterized in that: the heating furnace is characterized in that a heating cavity (11) penetrating through the box-shaped furnace body (1) is formed in the front and rear ends of the box-shaped furnace body (1) are provided with lifting sealing doors (12), a group of ground embedded rails (2) are respectively arranged at the front and rear ends of the box-shaped furnace body (1), each group of ground embedded rails (2) is provided with a part transportation trolley (3) in a running mode, each part transportation trolley (3) comprises a moving bottom trolley (31) and a tray mounting frame (32), the tray mounting frames (32) are fixedly mounted on the moving bottom trolley (31), part trays (33) are movably mounted on the tray mounting frames (32), a tray feeding mechanism (4) and a tray discharging mechanism (5) are mounted on each part transportation trolley (3), and the tray feeding mechanism (4) and the tray discharging mechanism (5) can be in transmission connection with the part trays (33).

2. A heat treatment furnace according to claim 1, wherein: two tray guide frames (111) are symmetrically arranged on the inner wall of the heating cavity (11).

3. A heat treatment furnace according to claim 1, wherein: the tray mounting frame (32) is provided with a unidirectional opening, the opening is opened towards the box-shaped furnace body (1), the tray mounting frame (32) comprises two symmetrically arranged U-shaped section beams (321), the two U-shaped section beams (321) are mounted oppositely with open surfaces, and the part tray (33) can be inserted on the two U-shaped section beams (321).

4. A heat treatment furnace according to claim 3, wherein: the tray advances stove mechanism (4) including lift platform (41) and scissor lift (42), scissor lift (42) are installed on motion end car (31), lift platform (41) are installed on scissor lift (42), lift platform (41) top is installed and is moved dish subassembly (43), move dish subassembly (43) including advancing stove driving gear (431) and driving motor (433), two advance stove driving gear (431) rotation and install on lift platform (41), two advance and all be connected with driving pulley (432) on stove driving gear (431), driving motor (433) output is installed driving pulley (434), two advance on stove driving gear (431) and be listed as in driving motor (433) both sides, through belt transmission between driving pulley (434) and two driving pulley (432), be connected with driving toothed belt (331) on part tray (33) bottom surface, when moving dish subassembly (43), driving belt (431) can rise and advance driving pulley (431) and advance driving pulley (432) meshing mutually.

5. The heat treatment furnace according to claim 4, wherein: the tray furnace feeding mechanism (4) further comprises a push rod assembly (44), two transverse sockets (332) are connected to the outer side walls of the U-shaped section beams (321), the two transverse sockets (332) are symmetrically arranged at the open end positions of the tray installation frame (32), the push rod assembly (44) comprises two push rod seats (441), the two push rod seats (441) are arranged corresponding to the two transverse sockets (332), the push rod seats (441) are connected with box feeding push rods (442) and T-shaped cutting (443), the push rod seats (441) are inserted on the transverse sockets (332) through the T-shaped cutting (443), and the box feeding push rods (442) can be propped against the part tray (33).

6. A heat treatment furnace according to claim 1, wherein: the tray discharging mechanism (5) comprises a winding drum device (51), a pull rope (52) and a guide wheel (53), one end of the pull rope (52) is wound on the winding drum device (51), the other end of the pull rope is guided by the guide wheel (53) and then extends into the range of the tray mounting frame (32), a draw hook (54) is connected, the front end and the rear end of the part tray (33) are both connected with a discharging pull ring (333), and the draw hook (54) can be hooked on the discharging pull ring (333).

7. A heat treatment furnace according to claim 1, wherein: the tray discharging mechanism (5) further comprises an auxiliary hook rod (55), one end of the auxiliary hook rod (55) is connected with a handshake ring (551), and the other end of the auxiliary hook rod is connected with a hook head (552).

8. The heat treatment furnace according to claim 6, wherein: the pull rope (52) is connected with a limiting disc (521), and the limiting disc (521) is connected to a position close to the drag hook (54).