CN219526703U - Gas heating type isothermal normalizing device - Google Patents

Abstract

The utility model discloses a gas heating isothermal normalizing device, which comprises a normalizing furnace body, a porous flame spraying pipe, a flame spraying burner, a flame spraying hole, a flame spraying extension pipe, a sliding guide rail, a workpiece placing screen plate and a telescopic mechanical arm. According to the utility model, the spiral porous flame spraying pipe is arranged in the normalizing device in a surrounding manner, so that the workpiece in the normalizing device is subjected to 360-degree gas isothermal heating, and meanwhile, the workpiece is horizontally moved by matching with the sliding guide rail, so that different parts of the workpiece can be contacted with flame spraying, the gas isothermal heating effect is good, and the normalizing quality of the workpiece is high.

Description

Gas heating type isothermal normalizing device

[ field of technology ]

The utility model relates to the technical field of normalizing equipment, in particular to the technical field of a gas heating type isothermal normalizing device.

[ background Art ]

In industrial and machining processes, many workpieces require normalizing treatments, such as: normalizing the outer circular surfaces of various shafts, rods, pipes and round parts; normalizing the inner circles of various pipe mechanical parts, such as a cylinder sleeve, a shaft sleeve and the like; normalizing the end face and the plane part of the mechanical part; normalizing the special-shaped part to improve the mechanical properties of the steel part, such as hardness, wear resistance, elastic limit, fatigue strength and the like, to strengthen the steel part, fully exert the potential of the steel property, improve the physical or chemical properties of certain special steels, such as enhancing the ferromagnetism of the magnetic steel, improving the corrosion resistance of the stainless steel and the like. During normalizing treatment, the workpiece is generally placed in the middle part in a normalizing furnace for normalizing treatment, the workpiece is cooled after being discharged from a hearth after being treated, and the normalizing furnace is an industrial kiln and is mainly used for carrying out heat treatment after heating and forging steel workpieces, heating the workpiece to a critical temperature in the normalizing furnace, and then taking out the workpiece to keep the workpiece at a constant temperature for a period of time. The furnace body structure of the normalizing furnace and how to install the components in the furnace chamber directly influence whether the temperatures of all parts in the furnace chamber are consistent, whether the workpiece is heated uniformly in the furnace or not, and the normalizing treatment effect of the workpiece is further influenced. Therefore, many manufacturers choose to structurally reform the normalizing device, for example, the patent of the utility model with the publication number of CN218089670U discloses a continuous gas heating isothermal normalizing furnace, a normalizing furnace body, a high-efficiency heat reflecting plate, a porous flame spraying pipe, heat conducting fins, a U-shaped heat conducting copper pipe and a circulating air inlet fan are combined together, through experimental optimization, the soaking device can quickly and uniformly disperse heat generated by a flame spraying burner into the normalizing furnace through the high-efficiency heat conducting fins matched with the U-shaped heat conducting copper pipe with a built-in circulating fan, meanwhile, the high-efficiency heat reflecting plate attached to the inner side wall of the normalizing furnace can reflect and gather the heat inwards, the heat efficiency and the heating stability are further improved, the heating speed is high, the temperature in the normalizing furnace is uniform, the normalizing treatment quality of a workpiece is improved, however, the internal structure of the normalizing furnace shields the flame spraying and the workpiece from direct contact, so that the loss of the heat is large, meanwhile, the circulating air inlet fan can lead part of the heat to the other end of the U-shaped copper pipe through air flow, so that one end of the heat is accumulated, the upper and lower symmetrical heating mode easily causes that the side surface of the workpiece is not heated in place, so that the temperature difference is generated, and the normalizing uniformity of the workpiece is affected.

[ utility model ]

The utility model aims to solve the problems in the prior art, and provides a gas heating type isothermal normalizing device, which can enable a spiral porous flame spraying pipe to be arranged inside the normalizing device in a surrounding manner, so that a workpiece inside the normalizing device is subjected to 360-degree gas isothermal heating, and meanwhile, a sliding guide rail is matched to enable the workpiece to horizontally move, so that different parts of the workpiece can be contacted with flame spraying, the gas isothermal heating effect is good, and the normalizing quality of the workpiece is high.

In order to achieve the above purpose, the utility model provides a gas heating isothermal normalizing device, which comprises a normalizing furnace body, a porous flame spraying pipe, flame spraying nozzles, flame spraying holes, flame spraying extension pipes, sliding guide rails, a workpiece placement screen plate and a telescopic mechanical arm, wherein the inner cavity of the normalizing furnace body is in a horizontal cylindrical shape, the inner side wall of the normalizing furnace body is uniformly and circumferentially provided with a spiral porous flame spraying pipe, one end of the porous flame spraying pipe is communicated with the flame spraying nozzles, the side wall of the porous flame spraying pipe is uniformly and radially provided with a plurality of flame spraying holes, the flame spraying extension pipes are arranged on the flame spraying holes, a plurality of sliding guide rails are symmetrically arranged in the inner cavity of the normalizing furnace body along the axial position, the top of each sliding guide rail is slidably provided with the workpiece placement screen plate, and the left side and the right side of the workpiece placement screen plate are respectively connected with the left side wall and the right side wall of the inner cavity of the normalizing furnace body through the telescopic mechanical arm.

Preferably, the inner side wall of the normalizing furnace body is uniformly attached with a high-efficiency heat reflecting plate, and the normalizing furnace body is a heat-preserving furnace body.

Preferably, the connection mode of the flame spraying extension pipe and the flame spraying hole is detachable.

Preferably, the flame spraying extension pipe is a telescopic extension sleeve.

Preferably, the number of the sliding guide rails is at least two, and the bottom of the workpiece placement screen plate is provided with sliding clamping grooves corresponding to the positions of the sliding guide rails.

Preferably, a plurality of workpiece limiting net grooves are formed in the workpiece placing net plate, and net groove covers are buckled at the tops of the workpiece limiting net grooves.

Preferably, the telescopic mechanical arms are horizontally and symmetrically arranged on the left side and the right side of the workpiece placement screen plate, and the telescopic mechanical arms are electric telescopic arms.

The utility model has the beneficial effects that: according to the utility model, the normalizing furnace body, the porous flame spraying pipe, the flame spraying burner, the flame spraying holes, the flame spraying extension pipe, the sliding guide rail, the workpiece placing screen plate and the telescopic mechanical arm are combined together, and through experimental optimization, the spiral porous flame spraying pipe is arranged inside the normalizing device in a surrounding manner, so that the workpiece inside the normalizing device is subjected to 360-degree gas isothermal heating, and meanwhile, the sliding guide rail is matched to enable the workpiece to horizontally move, so that different parts of the workpiece can be contacted with flame spraying, the gas isothermal heating effect is good, and the normalizing quality of the workpiece is high.

The features and advantages of the present utility model will be described in detail by way of example with reference to the accompanying drawings.

[ description of the drawings ]

Fig. 1 is a schematic structural diagram of a gas heating type isothermal normalizing device according to the present utility model.

In the figure: 1-normalizing furnace body, 2-porous flame spraying pipe, 3-flame spraying nozzle, 4-flame spraying hole, 5-flame spraying extension pipe, 6-sliding guide rail, 7-work piece placing screen plate, 8-telescopic mechanical arm, 9-high efficiency heat reflecting plate, 10-work piece limiting net groove and 11-net groove cover.

[ detailed description ] of the utility model

Referring to fig. 1, the gas heating type isothermal normalizing device comprises a normalizing furnace body 1, a porous flame spraying pipe 2, flame spraying nozzles 3, flame spraying holes 4, flame spraying extension pipes 5, sliding guide rails 6, a workpiece placement screen 7 and telescopic mechanical arms 8, wherein the inner cavity of the normalizing furnace body 1 is in a horizontal cylindrical shape, a spiral porous flame spraying pipe 2 is uniformly and circumferentially arranged on the inner side wall of the normalizing furnace body 1, one end of the porous flame spraying pipe 2 is communicated with the flame spraying nozzles 3, a plurality of flame spraying holes 4 are uniformly and radially arranged on the side wall of the porous flame spraying pipe 2, a plurality of sliding guide rails 6 are symmetrically arranged in the inner cavity of the normalizing furnace body 1 along the axial lead, the workpiece placement screen 7 is slidably arranged at the top of the sliding guide rails 6, the left side and the right side of the workpiece placement screen 7 are respectively connected with the left side wall and the right side wall of the inner cavity of the normalizing furnace body 1 through the telescopic mechanical arms 8, a high-efficiency heat reflection plate 9 is uniformly and circularly arranged on the inner side wall of the normalizing furnace body 1, the telescopic mechanical arms are in a manner that the two telescopic mechanical arms are in a sliding guide rails 7 are in a sliding manner, the two sliding guide rails 7 are correspondingly arranged at least, the two sliding guide rails 7 are respectively arranged at the bottom of the two sliding guide rails 7, the two sliding guide rails 7 are respectively in a sliding guide rails 7, and the sliding guide rails 7 are respectively arranged at the two sliding guide rails 10, and the sliding guide rails are respectively in a sliding groove 10, and the sliding guide groove is at least one sliding guide rail 7 is correspondingly arranged.

The working process of the utility model comprises the following steps: the workpiece is placed in the workpiece limiting net groove 10 of the workpiece placement net plate 7, the net groove cover 11 is covered, the flame spraying burner 3 is opened, the spiral porous flame spraying pipe 2 is used for heating gas from multiple angles to the workpiece of the workpiece placement net plate 7 through the flame spraying extension pipe 5, the telescopic mechanical arm 8 is matched with the sliding guide rail 6 to enable the workpiece placement net plate 7 to slide left and right, so that the gas heating position and the heating angle corresponding to the workpiece placement net plate 7 are continuously adjusted, the heating effect is uniform, and the isothermal heating effect of gas is achieved.

According to the utility model, the normalizing furnace body 1, the porous flame spraying pipe 2, the flame spraying nozzle 3, the flame spraying holes 4, the flame spraying extension pipe 5, the sliding guide rail 6, the workpiece placing screen 7 and the telescopic mechanical arm 8 are combined together, and through experimental optimization, the spiral porous flame spraying pipe 2 is arranged inside the normalizing device in a surrounding manner, so that the workpiece inside the normalizing device is subjected to 360-degree gas isothermal heating, and meanwhile, the sliding guide rail 6 is matched to enable the workpiece to horizontally move, so that different parts of the workpiece can be contacted with flame spraying, the gas isothermal heating effect is good, and the normalizing quality of the workpiece is high.

The above embodiments are illustrative of the present utility model, and not limiting, and any simple modifications of the present utility model fall within the scope of the present utility model.

Claims (7)

1. The utility model provides a gas heating formula isothermal normalizing device which characterized in that: including normalizing furnace body (1), porous flame tube (2), flame nozzle (3), flame hole (4), flame extension tube (5), sliding guide (6), work piece place otter board (7) and flexible arm (8), the inner chamber shape of normalizing furnace body (1) is the cylinder of horizontal, evenly encircle on the inside wall of normalizing furnace body (1) and be provided with a spiral porous flame tube (2), the one end intercommunication of porous flame tube (2) is provided with flame nozzle (3), evenly radially be provided with a plurality of flame holes (4) on the lateral wall of porous flame tube (2), install flame extension tube (5) on flame hole (4), the inner chamber of normalizing furnace body (1) is provided with a plurality of sliding guide (6) along axial lead position symmetry, sliding guide (6) top slidable mounting has work piece to place otter board (7), the left and right sides that the work piece placed otter board (7) links to each other with the inner chamber left and right sides of normalizing furnace body (1) through flexible arm (8) respectively.

2. A gas heated isothermal normalizing device according to claim 1, wherein: the high-efficiency heat reflection plate (9) is uniformly attached to the inner side wall of the normalizing furnace body (1), and the normalizing furnace body (1) is a heat preservation furnace body.

3. A gas heated isothermal normalizing device according to claim 1, wherein: the connection mode of the flame spraying extension pipe (5) and the flame spraying hole (4) is detachable.

4. A gas heated isothermal normalizing device according to claim 1, wherein: the flame spraying extension pipe (5) is a telescopic extension sleeve.

5. A gas heated isothermal normalizing device according to claim 1, wherein: the number of the sliding guide rails (6) is at least two, and sliding clamping grooves are formed in the bottoms of the workpiece placement screen plates (7) corresponding to the positions of the sliding guide rails (6).

6. A gas heated isothermal normalizing device according to claim 1, wherein: the inside of work piece place otter board (7) is provided with a plurality of work piece spacing guipure (10), the top lock of work piece spacing guipure (10) is provided with guipure lid (11).

7. A gas heated isothermal normalizing device according to claim 1, wherein: the telescopic mechanical arms (8) are horizontally and symmetrically arranged on the left side and the right side of the workpiece placement screen plate (7), and the telescopic mechanical arms (8) are electric telescopic arms.