CN219099247U

CN219099247U - Crane chain quenching furnace with automatic feed inlet opening and closing function

Info

Publication number: CN219099247U
Application number: CN202223419523.9U
Authority: CN
Inventors: 顾扣林; 朱顾亮
Original assignee: Nantong Hexing Iron Chain Co ltd
Current assignee: Nantong Hexing Iron Chain Co ltd
Priority date: 2022-12-20
Filing date: 2022-12-20
Publication date: 2023-05-30
Anticipated expiration: 2032-12-20

Abstract

The utility model discloses a lifting chain quenching furnace with an automatic feed inlet opening and closing function, which relates to the technical field of quenching furnaces and comprises a quenching furnace, a mesh belt, an air cylinder, an opening and closing mechanism and an auxiliary mechanism.

Description

Crane chain quenching furnace with automatic feed inlet opening and closing function

Technical Field

The utility model relates to the technical field of quenching furnaces, in particular to a lifting chain quenching furnace with an automatic feed inlet opening and closing function.

Background

The whole equipment consists of a furnace body, a mesh belt transmission system and a temperature control system, is mainly used for sintering powder metallurgy products, reducing metal powder and presintering, sintering or heat treatment processes of electronic products in protective atmosphere or air, is suitable for heat treatment of batched medium and small mechanical parts such as standard parts, bearings, chains, self-tapping screws, textile hardware, hand tools, elastic cushions, various textile needles and sewing needles in controlled atmosphere, and is used for carrying out heat treatment such as carburizing, carbonitriding, quenching and the like when a lifting chain is produced and processed by the mesh belt quenching furnace.

At present, the existing lifting chain quenching furnace generally carries out oil-cooling quenching after carrying out heat treatment on the chain, but in the process, the net belt continuously carries the workpiece to move, and as the net belt is generally rectangular, the contact surface of the workpiece and the net belt can generate sintering adhesion, so that the workpiece cannot fall smoothly to finish blanking to cause clamping stagnation, a worker is required to manually assist in blanking aside, the labor capacity of the worker is increased,

to solve the above problems, a hoist chain quenching furnace with an automatic feed inlet opening and closing function is provided.

Disclosure of Invention

The utility model aims to provide a lifting chain quenching furnace with an automatic feed inlet opening and closing function, which solves the problems that in the background art, during the heat treatment and oil cooling processes, the contact surfaces of workpieces and mesh belts can generate sintering adhesion, so that the workpieces cannot fall smoothly to finish blanking, and jamming is caused, a worker is required to manually assist in blanking, and the labor capacity of the worker is increased.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a hoisting chain quenching furnace with automatic feed inlet function of opening and close, is in including quenching furnace and setting the inside guipure that extends to outer wall both sides of quenching furnace, the top fixedly connected with cylinder of quenching furnace, the outside of quenching furnace is provided with opening and closing mechanism, opening and closing mechanism is including setting up the baffle of quenching furnace outer wall both sides, the inside and the outside of quenching furnace are provided with auxiliary mechanism, auxiliary mechanism is in including rotating the connection the threaded rod of quenching furnace outer wall one side, the outer wall of threaded rod has cup jointed and has extended to the push pedal at guipure top.

Preferably, the auxiliary mechanism further comprises a rack fixedly connected to one end of the outer wall of the baffle, a first pinion meshed with the rack is rotatably connected to the inside of the quenching furnace, a second large gear is arranged at one end of the outer wall of the first pinion, and a third pinion meshed with the second large gear is fixedly connected to one end of the outer wall of the threaded rod.

Preferably, the opening and closing mechanism further comprises a fixing sleeve arranged at the top of the air cylinder and extending to the outer wall of the air cylinder, and connecting rods are symmetrically and fixedly connected to two sides of the outer wall of the fixing sleeve.

Preferably, one end of the outer wall of the first pinion is fixedly connected with a connecting shaft, the other end of the connecting shaft is fixedly connected with the second large gear, and the second large gear is fixedly connected with the first pinion through the connecting shaft.

Preferably, the two ends of one side of the outer wall of the quenching furnace are symmetrically and fixedly connected with mounting blocks, bearing sleeves matched with the threaded rods are arranged in the mounting blocks, and the threaded rods are rotationally connected with the mounting blocks through the bearing sleeves.

Preferably, the push plate is internally provided with internal threads matched with the outer wall of the threaded rod, and the threaded rod is mutually sleeved and connected with the internal threads.

Preferably, the diameter of the outer wall of the second large gear is larger than the diameters of the outer walls of the third small gear and the first small gear.

Preferably, the whole push plate is of an L-shaped structure, and the bottom of the L-shaped structure is contacted with the top of the net belt.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the lifting chain quenching furnace with the automatic feed opening and closing function, the auxiliary mechanism is driven to operate by driving the baffle to move upwards after the quenching operation of the chain is completed, the baffle moves upwards to drive the rack to move upwards to drive the threaded rod to rotate, the threaded rod rotates to drive the push plate to move transversely at the top of the mesh belt to push the chain to perform auxiliary blanking operation, so that the contact surfaces of a workpiece and the mesh belt can generate sintering adhesion in the heat treatment and oil cooling processes, the workpiece cannot fall smoothly to finish blanking, the clamping stagnation is caused, a worker is required to manually assist in blanking, and the labor capacity of the worker is increased.

2. According to the hoisting chain quenching furnace with the function of automatically opening and closing the feed inlet, the opening and closing mechanism is arranged to operate the air cylinder to push the fixed sleeve to move upwards to drive the two connecting rods to move upwards, the two connecting rods move to drive the two baffles to move upwards, the baffles move to finish the opening operation of the inner space of the quenching furnace so as to perform the feeding operation of the inner space of the quenching furnace, and then the driving mesh belt is contracted to drive the two connecting rods to perform the reverse movement so as to finish the closing operation of the inner space of the quenching furnace, so that the loss of heat in the quenching furnace is prevented, and the heating efficiency is prevented from being influenced.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a cross-sectional view of a retaining sleeve of the present utility model;

FIG. 3 is an exploded view of the auxiliary mechanism of the present utility model;

fig. 4 is a schematic view showing an external structure of the quenching furnace of the present utility model.

In the figure: 1. a quenching furnace; 2. a mesh belt; 3. a cylinder; 4. an opening and closing mechanism; 401. a connecting rod; 402. a fixed sleeve; 403. a baffle; 5. an auxiliary mechanism; 501. a first pinion gear; 502. a second gearwheel; 503. a third pinion gear; 504. a threaded rod; 505. a push plate; 506. a rack.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

For a further understanding of the present utility model, the present utility model will be described in detail with reference to the drawings.

Referring to fig. 1-4, the utility model discloses a lifting chain quenching furnace with an automatic feed opening and closing function, which comprises a quenching furnace 1 and a net belt 2 arranged in the quenching furnace 1 and extending to two sides of the outer wall, wherein the top of the quenching furnace 1 is fixedly connected with a cylinder 3, an opening and closing mechanism 4 is arranged outside the quenching furnace 1, the opening and closing mechanism 4 comprises a baffle 403 arranged at two sides of the outer wall of the quenching furnace 1, an auxiliary mechanism 5 is arranged inside and outside the quenching furnace 1, the auxiliary mechanism 5 comprises a threaded rod 504 rotatably connected to one side of the outer wall of the quenching furnace 1, the outer wall of the threaded rod 504 is sleeved with a push plate 505 extending to the top of the net belt 2, the auxiliary mechanism 5 also comprises a rack 506 fixedly connected to one end of the outer wall of one baffle 403, a first pinion 501 meshed with the rack 506 is rotatably connected in the quenching furnace 1, one end of the outer wall of the first pinion 501 is provided with a second large gear 502, a third pinion 503 meshed with the second large gear 502 is fixedly connected to one end of the outer wall of the threaded rod 504, mounting blocks are symmetrically and fixedly connected to two ends of one side of the outer wall of the quenching furnace 1, bearing sleeves matched with the threaded rod 504 are arranged in the mounting blocks, the threaded rod 504 is rotationally connected with the mounting blocks through the bearing sleeves, the whole push plate 505 is of an L-shaped structure, the bottom of the L-shaped structure is contacted with the top of the mesh belt 2, the auxiliary mechanism 5 can be driven to operate by driving the baffle 403 to move upwards after the quenching operation of the chain is completed, the baffle 403 moves upwards to drive the rack 506 to move upwards, the rack 506 moves to drive the first pinion 501 to rotate, the first pinion 501 rotates to drive the second large gear 502 to rotate, the second large gear 502 rotates to drive the third pinion 503 to rotate, the third pinion 503 rotates to drive the threaded rod 504 to rotate, the threaded rod 504 rotates to drive the push plate 505 to transversely move at the top of the mesh belt 2 to push the chain to carry out auxiliary blanking operation, so that the phenomenon that workpieces and the mesh belt 2 are sintered and adhered to each other in the heat treatment and oil cooling processes is avoided, the workpieces cannot fall smoothly to finish blanking to cause clamping stagnation, workers are required to manually assist in blanking aside, the labor capacity of the workers is increased, the fact that a temperature control system is arranged in the quenching furnace 1 is required to be described, a mesh belt transmission system is arranged in the mesh belt 2, the heating operation on the workpieces can be carried out by operating the temperature control system, and the output operation on the workpieces can be completed by operating the mesh belt transmission system.

The utility model is further described below with reference to examples.

Embodiment one:

referring to fig. 1-4, the opening and closing mechanism 4 further includes a fixing sleeve 402 disposed at the top of the cylinder 3 and extending to the outer wall of the cylinder 3, two symmetrical connecting rods 401 are fixedly connected to two sides of the outer wall of the fixing sleeve 402, the cylinder 2 is electrically connected to the external controller through a wire, the external controller is used for enabling the mesh belt 2 to operate, the mesh belt 2 operates to push the fixing sleeve 402 to move upwards to drive the two connecting rods 401 to move upwards, the two connecting rods 401 move to drive the two baffles 403 to move upwards, the baffles 403 move to finish the opening operation of the inner space of the quenching furnace 1, the feeding operation of the inner space of the quenching furnace 1 is performed, and then the two connecting rods 401 are driven to move reversely to finish the closing operation of the inner space of the quenching furnace 1 by driving the cylinder 3 to shrink, so that the loss of the heat in the quenching furnace 1 is prevented, and the heating efficiency is affected.

Embodiment two:

referring to fig. 1-4, one end of the outer wall of the first pinion 501 is fixedly connected with a connecting shaft, the other end of the connecting shaft is fixedly connected with the second large gear 502, the second large gear 502 is fixedly connected with the first pinion 501 through the connecting shaft, and the second large gear 502 can be driven to rotate through the connecting shaft when the first pinion 501 rotates, so that the third pinion 503 is driven to rotate.

The inside of push pedal 505 is provided with threaded rod 504 outer wall assorted internal thread, cup joints each other with threaded rod 504 through the internal thread, can realize rotating threaded rod 504 and drive push pedal 505 through this structure setting and remove, and push pedal 505 removes can accomplish the unloading operation to guipure 2 top chain.

The diameter of the outer wall of the second large gear 502 is larger than that of the third small gear 503 and that of the first small gear 501, and the rotation number of the third small gear 503 can be increased through the arrangement of the structure, so that the moving stroke of the push plate 505 is increased to meet the requirement of auxiliary blanking operation of a chain.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a hoisting chain quenching furnace with automatic feed inlet function of opening and close, is in including quenching furnace (1) and setting just extends to guipure (2) of outer wall both sides inside quenching furnace (1), the top fixedly connected with cylinder (3) of quenching furnace (1), its characterized in that: the outside of quenching furnace (1) is provided with headstock gear (4), headstock gear (4) are in including setting up baffle (403) of quenching furnace (1) outer wall both sides, the inside and the outside of quenching furnace (1) are provided with complementary unit (5), complementary unit (5) are including rotating threaded rod (504) of connecting quenching furnace (1) outer wall one side, the outer wall of threaded rod (504) cup joints and has extended to push pedal (505) at guipure (2) top, can drive through moving baffle (403) complementary unit (5) are operated, make push pedal (505) promote the work piece and remove.

2. The hoist chain quenching furnace with the function of automatically opening and closing a feed port according to claim 1, wherein: the auxiliary mechanism (5) further comprises a rack (506) fixedly connected to one end of the outer wall of the baffle (403), a first pinion (501) meshed with the rack (506) is rotatably connected to the inside of the quenching furnace (1), a second large gear (502) is arranged at one end of the outer wall of the first pinion (501), and a third pinion (503) is fixedly connected to one end of the outer wall of the threaded rod (504).

3. The hoist chain quenching furnace with the function of automatically opening and closing a feed port according to claim 1, wherein: the opening and closing mechanism (4) further comprises a fixed sleeve (402) arranged at the top of the air cylinder (3), and connecting rods (401) are symmetrically and fixedly connected to two sides of the outer wall of the fixed sleeve (402).

4. The hoist chain quenching furnace with the function of automatically opening and closing a feed port according to claim 2, wherein: one end of the outer wall of the first pinion (501) is fixedly connected with a connecting shaft, the other end of the connecting shaft is fixedly connected with the second large gear (502), and the second large gear (502) is fixedly connected with the first pinion (501) through the connecting shaft.

5. The hoist chain quenching furnace with the function of automatically opening and closing a feed port according to claim 1, wherein: the two ends of one side of the outer wall of the quenching furnace (1) are symmetrically and fixedly connected with mounting blocks, bearing sleeves matched with the threaded rods (504) are arranged in the mounting blocks, and the threaded rods (504) are rotationally connected with the mounting blocks through the bearing sleeves.

6. The hoist chain quenching furnace with the function of automatically opening and closing a feed port according to claim 1, wherein: the inside of push pedal (505) is provided with the internal thread of threaded rod (504) outer wall assorted, through the internal thread with threaded rod (504) cup joint each other.

7. The hoist chain quenching furnace with the function of automatically opening and closing a feed port according to claim 2, wherein: the outer wall diameter of the second large gear (502) is larger than the outer wall diameters of the third small gear (503) and the first small gear (501).

8. The hoist chain quenching furnace with the function of automatically opening and closing a feed port according to claim 1, wherein: the whole push plate (505) is of an L-shaped structure, and the bottom of the L-shaped structure is contacted with the top of the net belt (2).