CN216192642U

CN216192642U - Nitriding furnace with automatic lifting furnace cover structure

Info

Publication number: CN216192642U
Application number: CN202122435308.7U
Authority: CN
Inventors: 曹阳
Original assignee: Nanjing Baozuan Heat Treatment Co ltd
Current assignee: Nanjing Baozuan Heat Treatment Co ltd
Priority date: 2021-10-09
Filing date: 2021-10-09
Publication date: 2022-04-05
Anticipated expiration: 2031-10-09

Abstract

A nitriding furnace with an automatic lifting furnace cover structure comprises a furnace body structure, an underframe structure and the automatic lifting furnace cover structure, wherein the underframe structure is arranged under the furnace body structure, and the automatic lifting furnace cover structure is arranged above the furnace body structure; the automatic lifting furnace cover structure comprises a lifting structure, a rotating structure, a furnace cover and a flow guide structure, wherein the furnace cover is arranged on the lifting structure through the rotating structure, and the flow guide structure is arranged on the furnace cover. After nitriding furnace nitrogenize work is accomplished, the elevation structure drive bell that sets up in the automatic rising bell lid structure on furnace body structure moves up perpendicularly, and the diversion structure that sets up on the bell reaches the furnace body structure top, and revolution mechanic drive bell is rotatory certain angle this moment to be convenient for take out the work piece of the completion of nitriding in the furnace body structure, its easy operation is convenient, has alleviateed workman's work load greatly, has improved workman's security performance.

Description

Nitriding furnace with automatic lifting furnace cover structure

Technical Field

The utility model relates to the field of nitriding furnaces, in particular to a nitriding furnace with an automatic lifting furnace cover structure.

Background

The nitriding furnace is equipment with nitriding treatment, and the nitrided product has excellent wear resistance, fatigue resistance, corrosion resistance and high temperature resistance.

The existing nitriding furnace cover structure is generally opened manually, and the nitriding furnace is relatively difficult to manually operate due to relatively large volume and relatively heavy mass of the nitriding furnace; in addition, in the nitriding process, the temperature in the nitriding furnace is relatively high, generally 560-.

SUMMERY OF THE UTILITY MODEL

Utility model purpose: the utility model aims to provide a nitriding furnace with an automatic lifting furnace cover structure, which solves the problems existing in the use of nitriding furnaces.

The technical scheme is as follows: the utility model provides a nitriding furnace with an automatic lifting furnace cover structure, which comprises a furnace body structure, an underframe structure and the automatic lifting furnace cover structure, wherein the underframe structure is arranged under the furnace body structure; the automatic lifting furnace cover structure comprises a lifting structure, a rotating structure, a furnace cover and a flow guide structure, wherein the furnace cover is arranged on the lifting structure through the rotating structure, and the flow guide structure is arranged on the furnace cover. After nitriding furnace nitrogenize work is accomplished, the elevation structure drive bell that sets up in the automatic rising bell lid structure on furnace body structure moves up perpendicularly, and the diversion structure that sets up on the bell reaches the furnace body structure top, and revolution mechanic drive bell is rotatory certain angle this moment to be convenient for take out the work piece of the completion of nitriding in the furnace body structure, its easy operation is convenient, has alleviateed workman's work load greatly, has improved workman's security performance.

Further, elevation structure includes hydro-cylinder, joint, connecting rod, fixing base, hydro-cylinder plunger end is connected through joint and connecting rod one end, the connecting rod other end sets up on the fixing base.

Further, revolution mechanic includes rotating electrical machines, rotating shaft coupling, primary shaft bearing, secondary shaft bearing, first limit structure, second limit structure, connecting plate, bell and revolution mechanic hookup location are equipped with primary shaft, secondary shaft, the rotating electrical machines axle head passes through rotating shaft coupling and sets up the primary shaft connection on primary shaft bearing, secondary shaft bearing and primary shaft bearing set up on the connecting plate side by side, the secondary shaft sets up on secondary shaft bearing, first limit structure, second limit structure set up side by side on the connecting plate and lie in between primary shaft bearing, the secondary shaft bearing. The fixed rotating motor in the rotating structure drives the first shaft to rotate through the rotating coupler, so that the furnace cover is driven to rotate under the support of the first bearing seat and the second bearing seat through the first shaft and the second shaft, and the first limiting structure and the second limiting structure play a role in limiting the rotating range of the furnace cover.

Furthermore, the first limiting structure and the second limiting structure are the same in structure, the first limiting structure comprises a limiting head, a guide rod, a shaft sleeve and a spring, one end of the guide rod is connected with the limiting head, the other end of the guide rod is arranged on the shaft sleeve, and the guide rod is arranged on the guide rod and located between the limiting head and the shaft sleeve. The rotating structure drives the furnace cover to rotate, when the furnace cover is opened, the furnace cover rotates towards the direction away from the furnace body structure, position limitation is carried out through the second limiting structure, namely the furnace cover is contacted with the limiting head, certain movement is carried out along the shaft sleeve through the guide rod, and the spring plays a buffering role; when closing the furnace lid, the furnace lid is rotatory to being close to furnace body structure direction, carries out the position through first limit structure and prescribes a limit to, and furnace lid and spacing head contact do certain removal through the guide arm along the axle sleeve promptly, and the spring plays the cushioning effect.

Furthermore, a first threaded hole is formed in the limiting head, and a first spring fixing groove is further formed in the limiting head.

Furthermore, the limiting head is made of rubber. Playing a role of buffering.

Furthermore, the guide rod comprises a threaded section, a connecting section and a guiding section, and the threaded section, the connecting section and the guiding section are sequentially connected. The guide rod is fixed in the threaded hole of the limiting head through a threaded section.

Furthermore, a second spring fixing groove is formed in the shaft sleeve, and a guide hole is further formed in the shaft sleeve. The guide section of the guide rod moves along the guide hole of the shaft sleeve.

The technical scheme shows that the utility model has the following beneficial effects: 1) the automatic lifting furnace cover structure with the lifting structure and the rotating structure is arranged, the nitriding furnace can be automatically closed before nitriding starts, and the nitriding furnace can be automatically opened after nitriding is completed, so that the workload of workers is greatly reduced, and the safety factor of the workers during working is improved; 2) the automatic switch nitriding furnace cover replaces manual operation, is convenient and quick to operate and has wide applicability.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a cross-sectional view of a first stop arrangement;

fig. 3 is a front view of the guide bar.

In the figure: the furnace body structure 1, the underframe structure 2, the automatic lifting furnace cover structure 3, the lifting structure 31, the oil cylinder 311, the joint 312, the connecting rod 313, the fixed seat 314, the rotating structure 32, the rotating motor 321, the rotating coupling 322, the first bearing block 323, the second bearing block 324, the first limit structure 325, the limit head 3251, the first threaded hole 32511, the first spring fixing groove 35212, the guide rod 3252, the threaded section 32521, the connecting section 32522, the guide section 32523, the shaft sleeve 3253, the second spring fixing groove 32531, the guide hole 32532, the spring 3254, the second limit structure 326, the connecting plate 327, the furnace cover 33 and the flow guide structure 34.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Example one

As shown in fig. 1, the furnace body structure of the utility model is a perspective view, and comprises a furnace body structure 1, an underframe structure 2 and an automatic lifting furnace cover structure 3, wherein the underframe structure 2 is arranged under the furnace body structure 1, and the automatic lifting furnace cover structure 3 is arranged above the furnace body structure 1; the automatic lifting furnace cover structure 3 comprises a lifting structure 31, a rotating structure 32, a furnace cover 33 and a flow guide structure 34, wherein the furnace cover 33 is arranged on the lifting structure 31 through the rotating structure 32, and the flow guide structure 34 is arranged on the furnace cover 33.

The lifting structure 31 comprises an oil cylinder 311, a joint 312, a connecting rod 313 and a fixed seat 314, wherein the plunger end of the oil cylinder 311 is connected with one end of the connecting rod 313 through the joint 312, and the other end of the connecting rod 313 is arranged on the fixed seat 314.

The rotating structure 32 includes a rotating motor 321, a rotating coupling 322, a first bearing block 323, a second bearing block 324, a first limiting structure 325, a second limiting structure 326, and a connecting plate 327, a first shaft 331 and a second shaft 332 are disposed at a connecting position of the furnace cover 33 and the rotating structure, a shaft end of the rotating motor 321 is connected with the first shaft 331 disposed on the first bearing block 323 through the rotating coupling 322, the second bearing block 324 and the first bearing block 323 are disposed in parallel on the connecting plate 327, the second shaft 332 is disposed on the second bearing block 324, and the first limiting structure 325 and the second limiting structure 326 are disposed in parallel on the connecting plate 327 and located between the first bearing block 323 and the second bearing block 324.

The first limiting structure 325 and the second limiting structure 326 have the same structure, and as shown in fig. 2, the first limiting structure 325 is a cross-sectional view, and includes a limiting head 3251, a guide rod 3252, a shaft sleeve 3253, and a spring 3254, one end of the guide rod 3252 is connected to the limiting head 3251, the other end is disposed on the shaft sleeve 3253, and the guide rod 3252 is disposed between the limiting head 3251 and the shaft sleeve 3253.

The limiting head 3251 is provided with a first threaded hole 32511, and the limiting head 3251 is further provided with a first spring fixing groove 35212.

The limiting head 3251 is made of rubber.

Fig. 3 is a front view of the guide rod 3252, which includes a threaded section 32521, a connecting section 32522, and a guide section 32523, wherein the threaded section 32521, the connecting section 32522, and the guide section 32523 are connected in sequence.

The shaft sleeve 3253 is provided with a second spring fixing groove 32531, and the shaft sleeve 3253 is further provided with a guide hole 32532.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that modifications can be made by those skilled in the art without departing from the principle of the present invention, and these modifications should also be construed as the protection scope of the present invention.

Claims

1. The utility model provides a nitriding furnace with automatic rising bell structure which characterized in that: the furnace comprises a furnace body structure (1), an underframe structure (2) and an automatic lifting furnace cover structure (3), wherein the underframe structure (2) is arranged under the furnace body structure (1), and the automatic lifting furnace cover structure (3) is arranged above the furnace body structure (1); the automatic lifting furnace cover structure (3) comprises a lifting structure (31), a rotating structure (32), a furnace cover (33) and a flow guide structure (34), wherein the furnace cover (33) is arranged on the lifting structure (31) through the rotating structure (32), and the flow guide structure (34) is arranged on the furnace cover (33).

2. A nitriding furnace with an automatic lifting furnace cover structure according to claim 1, wherein: the lifting structure (31) comprises an oil cylinder (311), a joint (312), a connecting rod (313) and a fixed seat (314), wherein the plunger end of the oil cylinder (311) is connected with one end of the connecting rod (313) through the joint (312), and the other end of the connecting rod (313) is arranged on the fixed seat (314).

3. A nitriding furnace with an automatic lifting furnace cover structure according to claim 1, wherein: the rotating structure (32) comprises a rotating motor (321), a rotating coupling (322), a first bearing seat (323), a second bearing seat (324), a first limiting structure (325), a second limiting structure (326) and a connecting plate (327), a first shaft (331) and a second shaft (332) are arranged at the connecting position of the furnace cover (33) and the rotating structure, the shaft end of the rotating motor (321) is connected with a first shaft (331) arranged on a first bearing seat (323) through a rotating coupling (322), the second bearing seat (324) and the first bearing seat (323) are arranged on the connecting plate (327) in parallel, the second shaft (332) is arranged on the second bearing seat (324), and the first limiting structure (325) and the second limiting structure (326) are arranged on the connecting plate (327) in parallel and located between the first bearing seat (323) and the second bearing seat (324).

4. A nitriding furnace with an automatic lifting furnace cover structure according to claim 3, wherein: the structure of the first limiting structure (325) is the same as that of the second limiting structure (326), the first limiting structure (325) comprises a limiting head (3251), a guide rod (3252), a shaft sleeve (3253) and a spring (3254), one end of the guide rod (3252) is connected with the limiting head (3251), the other end of the guide rod is arranged on the shaft sleeve (3253), and the guide rod (3252) is arranged between the limiting head (3251) and the shaft sleeve (3253).

5. A nitriding furnace with an automatic lifting furnace cover structure according to claim 4, wherein: the limiting head (3251) is provided with a first threaded hole (32511), and the limiting head (3251) is further provided with a first spring fixing groove (35212).

6. A nitriding furnace with an automatic lifting furnace cover structure according to claim 5, wherein: the limiting head (3251) is made of rubber.

7. A nitriding furnace with an automatic lifting furnace cover structure according to claim 4, wherein: the guide rod (3252) comprises a thread section (32521), a connecting section (32522) and a guiding section (32523), and the thread section (32521), the connecting section (32522) and the guiding section (32523) are connected in sequence.

8. A nitriding furnace with an automatic lifting furnace cover structure according to claim 4, wherein: the shaft sleeve (3253) is provided with a second spring fixing groove (32531), and the shaft sleeve (3253) is further provided with a guide hole (32532).