CN218203004U - Bell-type ion nitriding furnace - Google Patents

Abstract

The utility model provides a bell jar formula ion nitriding furnace, including nitriding furnace body and lifting unit, be provided with rings on the nitriding furnace body, the last hydraulic telescoping rod who is located rings top that is provided with of lifting unit. The utility model discloses in, rotate in hydraulic telescoping rod's bottom and connect a type gallows, two lance of open end sliding connection of type gallows, lance and type gallows sliding connection, the top contact of lance and rings when type gallows descends, the fixed guide bar that constitutes the eight characters type that is provided with in the looks remote site of two lances, rings can push away two lances after contacting the guide bar, get into the hanging ring until the lance in, rings push away the lance once more when continuing to move upwards, when controlling the rotatory 90 degrees of type gallows this moment, can realize the separation of type gallows and rings during the control rings downstream, have the advantage of automatic butt joint and separation.

Description

Bell-type ion nitriding furnace

Technical Field

The utility model relates to a nitriding furnace technical field specifically is a bell jar formula ion nitriding furnace.

Background

At present, most of domestic and foreign universal ion nitriding furnaces adopt bell jar type structures, a bell jar needs to be lifted up to load and unload workpieces when ion nitriding starts or ends, and the bell jar is easy to shake in the lifting process, so that the ion nitriding furnace topples; in addition, when a workpiece is processed, heat loss is large, resulting in a slow temperature rise rate.

In view of this, publication no: CN215757570U discloses a bell jar type ion nitriding furnace, which comprises an ion nitriding furnace body and a lifting assembly; the ion nitriding furnace body comprises a bell jar, a base and an ion nitriding assembly, and the lifting assembly comprises a supporting seat, a portal frame, 2 first guide rails, 2 first lifting mechanisms and a second lifting mechanism; both ends are 2 first guide rails of symmetry rigid coupling respectively about the supporting seat, the portal frame includes 2 stands and 1 crossbeam, 2 the stand respectively with correspond the first guide rail sliding connection of position, 2 the side symmetry of stand is provided with a elevating system, every an elevating system all includes first pneumatic cylinder, a hydraulic telescoping rod, saddle. The bell jar type ion nitriding furnace has reasonable structural design, the bell jar is not easy to shake in the lifting process, the stability is good, and the heat loss is small; however, it does not disclose a detailed structure of how the hook is butted with the hanging ring, and it can be inferred from the disclosure that the butting and the separation need to be performed manually, so that not only is the operation inconvenient, but also the safety is poor, that is, the function of automatic butting and separation is not provided.

Therefore, the utility model provides a bell jar type ion nitriding furnace.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a not enough to prior art exists, the utility model aims at providing a bell jar formula ion nitriding furnace to solve the problem that proposes in the above-mentioned background art, the utility model discloses set up a type gallows, a type gallows is rotatory setting, and two relative lance are connected to the bottom of a type gallows, and rings will lance after knocking off with a type gallows connection, and rings struts the lance once more when continuing the upward movement, then control a type gallows rotatory then control rings just can make its and a type gallows separation when descending.

In order to achieve the above purpose, the present invention is realized by the following technical solution: the utility model provides a bell jar formula ion nitriding furnace, includes nitriding furnace body and lifting unit, is provided with rings on the nitriding furnace body, is provided with the hydraulic telescoping rod who is located the rings top on the lifting unit, hydraulic telescoping rod's bottom is rotated and is connected with a type gallows, and one side fixedly connected with of hydraulic telescoping rod is used for controlling the rotatory driving motor of a type gallows, and the bottom of a type gallows is provided with two pegs of symmetric distribution, and two pegs are horizontal distribution and on same straight line, this peg and a type gallows elastic sliding connection, two the looks remote site of peg is fixed and is provided with the guide bar that constitutes the splayed, rings have the spliced pole with nitriding furnace body fixed connection for the ring structure and its bottom welding.

Furthermore, the bottoms of the two hanging rods on the door-shaped hanging bracket are welded with guide sleeves in sliding connection with the collision rods, and return springs are arranged between the collision rods and the guide sleeves.

Furthermore, a baffle plate is welded at one end of the impact bar, and a return spring is sleeved on the impact bar and is positioned between the guide sleeve and the baffle plate.

Further, the opposite ends of the two striking rods are provided with rollers matched with the lifting rings.

Furthermore, the bottom of the hydraulic telescopic rod is fixedly provided with a connecting seat plate, and the top of the door-shaped hanging bracket is welded with a hanging shaft which is rotatably connected with the connecting seat plate.

Furthermore, the driving motor is installed on the connecting seat plate, an output shaft of the driving motor is fixedly connected with a driving gear, and a transmission gear meshed with the driving gear is fixedly sleeved on the hanging shaft.

The utility model has the advantages that: the utility model relates to a bell-type ion nitriding furnace, which comprises a nitriding furnace body; a hoisting ring; connecting columns; a lifting assembly; a hydraulic telescopic rod; connecting the seat plate; a gantry hanger; a boom; a guide sleeve; a hanging shaft; a transmission gear; a ram; a guide rod; a baffle plate; a return spring; a roller; a drive motor; the gears are driven.

The hydraulic telescopic rod is connected with the door-shaped hanging frame in a rotating mode at the bottom of the hydraulic telescopic rod, the opening end of the door-shaped hanging frame is connected with the two collision rods in a sliding mode, the collision rods are connected with the door-shaped hanging frame in a sliding mode, when the door-shaped hanging frame descends, the top of the collision rods and the top of the hanging rings are in contact, the guide rods which form the shape of the Chinese character ba are fixedly arranged at opposite ends of the two collision rods, the hanging rings can push the two collision rods open after contacting the guide rods until the collision rods enter the hanging rings, the hanging rings push the collision rods open again when continuing to move upwards, at the moment, when the door-shaped hanging frame is controlled to rotate by 90 degrees, the hanging rings can be separated from the door-shaped hanging frame when moving downwards, and the automatic butt joint and separation advantages are achieved.

Drawings

FIG. 1 is a schematic structural diagram of the matching of a nitriding furnace body, a lifting assembly, a hydraulic telescopic rod, a gantry type hanger and a driving motor in the bell jar type ion nitriding furnace of the present invention;

FIG. 2 is a schematic view showing the detailed connection of a middle door-shaped hanger, a hydraulic telescopic rod and a ram in the bell jar type ion nitriding furnace according to the present invention;

in the figure: 1. a nitriding furnace body; 11. a hoisting ring; 111. connecting columns; 2. a lifting assembly; 21. a hydraulic telescopic rod; 211. connecting the seat plate; 3. a gantry hanger; 31. a boom; 311. a guide sleeve; 32. a hanging shaft; 321. a transmission gear; 4. a ram; 41. a guide bar; 42. a baffle plate; 5. a return spring; 6. a roller; 7. a drive motor; 71. the gears are driven.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Referring to fig. 1 and fig. 2, the present invention provides a technical solution: a bell-jar type ion nitriding furnace comprises a nitriding furnace body 1 and a lifting assembly 2, wherein a lifting ring 11 is arranged on the nitriding furnace body 1, a hydraulic telescopic rod 21 positioned above the lifting ring 11 is arranged on the lifting assembly 2, the bottom of the hydraulic telescopic rod 21 is rotatably connected with a door-shaped hanging bracket 3, one side of the hydraulic telescopic rod 21 is fixedly connected with a driving motor 7 for controlling the rotation of the door-shaped hanging bracket 3, two collision rods 4 which are symmetrically distributed are arranged at the bottom of the door-shaped hanging bracket 3, the two collision rods 4 are horizontally distributed and are positioned on the same straight line, the collision rods 4 are elastically and slidably connected with the door-shaped hanging bracket 3, specifically, a guide sleeve 311 which is used for welding the bottoms of two hanging rods 31 on the door-shaped hanging bracket 3 and is slidably connected with the collision rods 4 is arranged, a return spring 5 is arranged between the collision rods 4 and the guide sleeve 311, the return spring 5 is a tension spring, under the action of the return spring 5, the opposite ends of the two collision rods 4 are abutted against each other in a normal state, wherein one end of the ram 4 is welded with a baffle 42, the reset spring 5 is sleeved on the ram 4 and is positioned between the guide sleeve 311 and the baffle 42, the opposite ends of the two rams 4 are fixedly provided with guide rods 41 forming a splay shape, the flying ring 11 is of a circular ring structure, the bottom of the flying ring 11 is welded with a connecting column 111 fixedly connected with the nitriding furnace body 1, the top of the flying ring 11 is contacted with the two guide rods 41 when the flying ring 11 moves upwards, then the two rams 4 are ejected, the reset spring 5 is stretched until the rams 4 enter the ring of the flying ring 11, at the moment, the butt joint of the door-shaped hanging bracket 3 and the flying ring 11 is realized, the contraction of the hydraulic telescopic rod 21 is controlled to be lifted to a bell jar through the flying ring 11, when the separation is needed, the opposite movement of the hydraulic telescopic rod 21 and the flying ring 11 is controlled, the flying ring 11 ejects the rams 4, the opposite ends of the two rams 4 are abutted against the connecting column 111, at the moment, the driving motor 7 is used for controlling the rotation of the door-shaped hanging bracket 3 by 90 degrees, then the hydraulic telescopic rod 21 and the hanging ring 11 are controlled to move reversely, and the striking rod 4 can be separated along the peripheral wall of the hanging ring 11, so that the door-shaped hanging bracket 3 and the hanging ring 11 are separated.

In this embodiment, the rollers 6 are provided at the opposite ends of the two lances 4 to cooperate with the slinger 11, which eliminates the friction between the lances 4 and the entire slinger 11.

In this embodiment, the bottom of the hydraulic telescopic rod 21 is fixedly provided with the connecting seat plate 211, the top of the gantry crane 3 is welded with the hanging shaft 32 rotatably connected with the connecting seat plate 211, a thrust bearing is arranged at the rotating joint, specifically, the driving motor 7 is installed on the connecting seat plate 211 and the output shaft thereof is fixedly connected with the driving gear 71, the hanging shaft 32 is fixedly sleeved with the transmission gear 321 meshed with the driving gear 71, and therefore the motorized control of the rotation of the gantry crane 3 is realized.

When the automatic butt joint and separation function of the nitriding furnace hoisting is used, the hydraulic telescopic rod 21 is controlled to descend, the collision rod 4 at the bottom of the door-shaped hanger 3 is in contact with the top of the hanging ring 11, the two collision rods 4 are jacked open under the guidance of the guide rod 41, the return spring 5 is stretched, when one end of the collision rod 4 enters the hanging ring 11, the return spring 5 is reset, the two collision rods 4 are abutted, the door-shaped hanger 3 and the hanging ring 11 are connected at the moment, when the hanging ring 11 and the door-shaped hanger 3 need to be separated, the hanging ring 11 is kept motionless, the door-shaped hanger 3 is controlled to continue descending, at the moment, under the action of the guide rod 41, the collision rod 4 is propped open again and abutted against the outer wall of the connecting column 111, then the driving gear 71 is controlled to rotate to drive the door-shaped hanger 3 to rotate for 90 degrees through the hanging shaft 32, then the hydraulic telescopic rod 21 is controlled to contract, and at the moment, the collision rod 4 can be separated along the outer periphery of the hanging ring 11.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (6)

1. The utility model provides a bell jar formula ion nitriding furnace, includes nitriding furnace body (1) and lifting unit (2), is provided with rings (11) on nitriding furnace body (1), is provided with hydraulic telescoping rod (21) that are located rings (11) top on lifting unit (2), its characterized in that, hydraulic telescoping rod (21)'s bottom is rotated and is connected with door type gallows (3), and one side fixedly connected with of hydraulic telescoping rod (21) is used for controlling rotatory driving motor (7) of door type gallows (3), and the bottom of door type gallows (3) is provided with two striker bars (4) of symmetric distribution, and two striker bars (4) are horizontal distribution and on same straight line, this striker bar (4) and door type gallows (3) elastic sliding connection, two the looks remote site of striker bar (4) is fixed to be provided with guide bar (41) that constitute the splayed, rings (11) have spliced pole (111) with nitriding furnace body (1) fixed connection for the annular structure and its bottom welding.

2. The bell jar type ion nitriding furnace according to claim 1, wherein: the bottom parts of the two hanging rods (31) on the door-shaped hanging bracket (3) are welded with guide sleeves (311) which are in sliding connection with the striker (4), and a return spring (5) is arranged between the striker (4) and the guide sleeves (311).

3. The bell jar type ion nitriding furnace according to claim 2, wherein: a baffle plate (42) is welded at one end of the impact rod (4), and a return spring (5) is sleeved on the impact rod (4) and is located between the guide sleeve (311) and the baffle plate (42).

4. The bell jar type ion nitriding furnace according to claim 1, wherein: the opposite ends of the two striking rods (4) are provided with rollers (6) matched with the lifting rings (11) for use.

5. The bell jar type ion nitriding furnace according to claim 1, wherein: the bottom of hydraulic telescoping rod (21) is fixed and is provided with connection bedplate (211), the top welding of door type gallows (3) has and connects bedplate (211) rotation connection's hanging shaft (32).

6. The bell jar type ion nitriding furnace according to claim 5, wherein: the driving motor (7) is installed on the connecting seat plate (211), an output shaft of the driving motor is fixedly connected with a driving gear (71), and a transmission gear (321) meshed with the driving gear (71) is fixedly sleeved on the hanging shaft (32).

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