CN216129657U - Well type gas carburizing furnace - Google Patents

Abstract

The utility model discloses a pit-type gas carburizing furnace, which belongs to the field of carburizing furnaces and is provided with a supporting mechanism, a carburizing furnace body, a lifting mechanism and a feeding moving mechanism, wherein the carburizing furnace body comprises a carburizing furnace shell arranged at the upper part and a carburizing furnace lower cover arranged at the lower part, the feeding moving mechanism is arranged inside the carburizing furnace body and is fixed at the upper side of the carburizing furnace lower cover, the lifting mechanism is arranged below the carburizing furnace body and is connected with the lower side of the carburizing furnace lower cover, the lifting mechanism can drive the carburizing furnace lower cover to be separated from and combined with the carburizing furnace body by using a hydraulic cylinder, and the feeding moving mechanism drives a storage rack to ascend and descend.

Description

Well type gas carburizing furnace

Technical Field

The utility model belongs to the field of carburizing furnaces, and particularly relates to a well type gas carburizing furnace.

Background

The gas carburizing furnace is equipment for performing carburizing treatment on a metal workpiece in a closed container, and can improve the surface performance of the metal workpiece, the carburizing process of the gas carburizing furnace needs to perform heating treatment and heat preservation treatment on the metal workpiece, the main body part of the general gas carburizing furnace comprises a furnace cover and a furnace body, the furnace cover is arranged above the furnace body, the furnace cover needs to be opened in the operation process of placing and taking out the workpiece, and the workpiece is taken out from the upper part of the furnace body or placed from the upper part of the furnace body.

SUMMERY OF THE UTILITY MODEL

Utility model purpose: in view of the above technical problems in the related art, the present invention provides a pit-type gas carburizing furnace to solve the above problems in the prior art.

The technical scheme is as follows: comprises a supporting mechanism, a carburizing furnace body, a lifting mechanism and a feeding moving mechanism; the carburizing furnace comprises a carburizing furnace body, a carburizing furnace shell, a carburizing furnace lower cover, a connecting plate and a heating layer, wherein the carburizing furnace body comprises the carburizing furnace shell, the carburizing furnace lower cover, the connecting plate and the heating layer; the supporting mechanism comprises a fixed plate, a base and a plurality of supporting rods, two ends of each supporting rod are respectively and fixedly arranged on the fixed plate and the base, and the supporting rods are annularly and uniformly distributed on the carburizing furnace body; the feeding moving mechanism is arranged in the cavity of the carburizing furnace body and is fixedly arranged on the inner wall of the lower cover of the carburizing furnace, the outer shell of the carburizing furnace is fixedly arranged on the fixed plate, the lifting mechanism is fixedly arranged on the upper side of the base, the lifting mechanism is fixedly arranged on the lower side of the connecting plate, and the lifting mechanism can drive the lower cover of the carburizing furnace to be separated from the outer shell of the carburizing furnace.

In a further embodiment, the feeding moving mechanism comprises a bottom plate, a limiting plate, two sliding rods, a motor, a screw rod and a storage rack; the one end setting of slide bar is in on the bottom plate, the other end sets up on the limiting plate, the motor is fixed to be set up the bottom plate upside, the motor is connected with the screw rod, the other end and the limiting plate normal running fit of screw rod, the axis of screw rod and two slide bars is parallel, screw rod and supporter screw-thread fit, supporter and slide bar sliding fit.

In a further embodiment, elevating system includes a plurality of pneumatic cylinders, telescopic link, fly leaf and a plurality of spring, the pneumatic cylinder is fixed to be set up the base upside, the one end setting of telescopic link is in inside the pneumatic cylinder, the other end is fixed to be set up the fly leaf downside, the cross section of fly leaf is ring shape, and fly leaf and carburizing furnace lower cover contactless, the upper end of spring is fixed to be set up connecting plate downside, lower extreme are fixed to be set up the fly leaf upside, and is a plurality of the spring is around the axis annular evenly distributed of fly leaf.

In a further embodiment, a protective cover is arranged outside the motor.

In a further embodiment, an annular sealing gasket is arranged between the carburizing furnace shell and the connecting plate, and the sealing gasket is fixedly arranged on the upper side of the connecting plate.

In a further embodiment, the feed moving mechanism is a heat resistant alloy steel material.

In a further embodiment, the upper surface and the lower surface of the shelf are provided with a plurality of air holes which are uniformly distributed.

Has the advantages that:

1. the device is through being provided with elevating system, supporting mechanism and carburizing furnace body, and the carburizing furnace body comprises carburizing furnace shell and the carburizing furnace lower cover two parts of below of top, and supporting mechanism fixes the carburizing furnace shell, and elevating system can drive carburizing furnace lower cover and carburizing furnace shell separation and combination, and then carries out the blowing and gets the material from the device's below, convenient operation to the danger of having avoided contacting with the oven.

2. The device is through being provided with feeding moving mechanism, feeding moving mechanism includes motor, screw rod, supporter and slide bar, and the motor drives the screw rod rotatory to further drive the supporter and reciprocate along the slide bar, further make things convenient for the blowing and get the material operation.

Drawings

Fig. 1 is a perspective view of the present invention.

Fig. 2 is a front view of the present invention.

FIG. 3 is a schematic view showing the internal structure of the carburizing furnace body of the present invention.

Fig. 4 is a schematic structural view of the feed moving mechanism of the present invention.

The reference signs are: 1. a support mechanism; 2. a carburizing furnace body; 3. a lifting mechanism; 4. a feed moving mechanism; 5. a gasket; 6. a protective cover; 11. a fixing plate; 12. a support bar; 13. a base; 21. a carburizing furnace outer shell; 22. a lower cover of the carburizing furnace; 23. a connecting plate; 24. a heating layer; 31. a hydraulic cylinder; 32. a telescopic rod; 33. a movable plate; 34. a spring; 41. a base plate; 42. a limiting plate; 43. a slide bar; 44. a motor; 45. a screw; 46. a rack; 47. and (4) air holes.

Detailed Description

In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that the present invention may be practiced without one or more of these specific details. In other instances, well-known features have not been described in order to avoid obscuring the utility model.

As shown in fig. 1 to 4, a shaft type gas carburizing furnace, hereinafter referred to as "the device" for short, includes a supporting mechanism 1, a carburizing furnace body 2, a lifting mechanism 3 and a feeding moving mechanism 4; the carburizing furnace body 2 comprises a carburizing furnace outer shell 21, a carburizing furnace lower cover 22, a connecting plate 23 and a heating layer 24, wherein the upper end of the carburizing furnace lower cover 22 is fixedly provided with the annular connecting plate 23, the carburizing furnace outer shell 21 is arranged above the connecting plate 23, and the heating layer 24 is fixedly arranged on the inner wall of the carburizing furnace outer shell 21; the supporting mechanism 1 comprises a fixed plate 11, a base 13 and a plurality of supporting rods 12, two ends of each supporting rod 12 are respectively and fixedly arranged on the fixed plate 11 and the base 13, and the supporting rods 12 are annularly and uniformly distributed relative to the carburizing furnace body 2; the feeding moving mechanism 4 is arranged in the cavity of the carburizing furnace body 2 and is fixedly arranged on the inner wall of the carburizing furnace lower cover 22, the carburizing furnace shell 21 is fixedly arranged on the fixed plate 11, the lifting mechanism 3 is fixedly arranged on the upper side of the base 13, the lifting mechanism 3 is fixedly arranged on the lower side of the connecting plate 23, and the lifting mechanism 3 can drive the carburizing furnace lower cover 22 to be separated from the carburizing furnace shell 21.

As a preferable scheme, the feeding moving mechanism 4 of the device comprises a bottom plate 41, a limit plate 42, two sliding rods 43, a motor 44, a screw 45 and a shelf 46; the one end setting of slide bar 43 is in on the bottom plate 41, the other end sets up on limiting plate 42, motor 44 is fixed to be set up 41 upsides of bottom plate, motor 44 is connected with screw rod 45, the other end and the limiting plate 42 normal running fit of screw rod 45, the axis of screw rod 45 and two slide bars 43 is parallel, screw rod 45 and supporter 46 screw-thread fit, supporter 46 and slide bar 43 sliding fit, motor 44 just reverse can drive supporter 46 and slide from top to bottom along slide bar 43.

As a preferable scheme, the lifting mechanism 3 of the device comprises a plurality of hydraulic cylinders 31, a telescopic rod 32, a movable plate 33 and a plurality of springs 34, wherein the hydraulic cylinders 31 are fixedly arranged on the upper side of the base 13, one end of the telescopic rod 32 is arranged inside the hydraulic cylinders 31, the other end of the telescopic rod 32 is fixedly arranged on the lower side of the movable plate 33, the cross section of the movable plate 33 is circular, the movable plate 33 is not in contact with the carburizing furnace lower cover 22, the upper end of the spring 34 is fixedly arranged on the lower side of the connecting plate 23, the lower end of the spring is fixedly arranged on the upper side of the movable plate 33, the plurality of springs 34 are annularly and uniformly distributed around the axis of the movable plate 33, the hydraulic cylinders 31 drive the telescopic rods 32 to extend and retract, the carburizing furnace lower cover 22 can be driven to be separated from and combined with the carburizing furnace shell 21, the springs 34 can provide pre-tightening force when the carburizing furnace lower cover 22 is combined with the carburizing furnace shell 21, the disengagement is prevented and the vibration caused by the motor 44 in the feed moving mechanism 4 can be reduced.

Preferably, a protective cover 6 is disposed outside the motor 44 of the device to protect the motor 44.

Preferably, a circular gasket 5 is arranged between the carburizing furnace shell 21 and the connecting plate 23, and the gasket 5 is fixedly arranged on the upper side of the connecting plate 23, so that the sealing performance of the device can be ensured.

Preferably, the feeding moving mechanism 4 is made of heat-resistant alloy steel material, which can ensure that the mechanism works normally under high temperature conditions.

As a preferred scheme, a plurality of air holes 47 which are uniformly distributed are formed in the upper surface and the lower surface of the storage rack 46, so that the air permeability can be increased, the workpiece is heated more uniformly, and the carburizing effect of the device on the workpiece can be improved.

The working principle is as follows: when the workpiece needs to be taken out after carburization is completed, the hydraulic cylinder 31 drives the telescopic rod 32 to contract to drive the carburizing furnace lower cover 22 to be separated from the carburizing furnace outer shell 21, meanwhile, the motor 44 forwards drives the screw rod 45 to rotate, further, the storage rack 46 is driven to move downwards along sliding, further, the machined workpiece on the storage rack 46 is conveniently taken out, then, the workpiece to be machined is placed inside the storage rack 46, further, the motor 44 reversely rotates to drive the screw rod 45 to reversely rotate, further, the storage rack 46 is driven to move upwards, the hydraulic cylinder 31 drives the telescopic rod 32 to extend, further, the carburizing furnace lower cover 22 is driven to ascend, further, the connecting plate 23 is driven to be in contact with the carburizing furnace outer shell 21, further, the sealing gasket 5 is extruded, then, the hydraulic cylinder 31 drives the telescopic rod 32 to continue to extend, the movable plate 33 compresses the spring 34, the spring 34 is compressed to a certain degree, the sealing performance is guaranteed, and then, and the workpiece is machined.

It should be noted that the various features described in the above embodiments may be combined in any suitable manner without departing from the scope of the utility model. The utility model is not described in detail in order to avoid unnecessary repetition.

Claims (7)

1. A well type gas carburizing furnace is characterized in that: comprises a supporting mechanism (1), a carburizing furnace body (2), a lifting mechanism (3) and a feeding moving mechanism (4); the carburizing furnace comprises a carburizing furnace body (2) and is characterized in that the carburizing furnace body comprises a carburizing furnace shell (21), a carburizing furnace lower cover (22), a connecting plate (23) and a heating layer (24), wherein the upper end of the carburizing furnace lower cover (22) is fixedly provided with the annular connecting plate (23), the carburizing furnace shell (21) is arranged above the connecting plate (23), and the heating layer (24) is fixedly arranged on the inner wall of the carburizing furnace shell (21); the supporting mechanism (1) comprises a fixed plate (11), a base (13) and a plurality of supporting rods (12), two ends of each supporting rod (12) are fixedly arranged on the fixed plate (11) and the base (13) respectively, and the supporting rods (12) are uniformly distributed in an annular mode relative to the carburizing furnace body (2); the feeding moving mechanism (4) is arranged in a cavity of the carburizing furnace body (2) and is fixedly arranged on the inner wall of the carburizing furnace lower cover (22), the carburizing furnace shell (21) is fixedly arranged on the fixed plate (11), the lifting mechanism (3) is fixedly arranged on the upper side of the base (13), the lifting mechanism (3) is fixedly arranged on the lower side of the connecting plate (23), and the lifting mechanism (3) can drive the carburizing furnace lower cover (22) to be separated from the carburizing furnace shell (21).

2. A shaft gas carburizing furnace as defined in claim 1, wherein: the feeding moving mechanism (4) comprises a bottom plate (41), a limiting plate (42), two sliding rods (43), a motor (44), a screw rod (45) and a shelf (46); the one end setting of slide bar (43) is in on bottom plate (41), the other end sets up on limiting plate (42), motor (44) are fixed to be set up bottom plate (41) upside, motor (44) are connected with screw rod (45), the other end and limiting plate (42) normal running fit of screw rod (45), the axis of screw rod (45) and two slide bars (43) is parallel, screw rod (45) and supporter (46) screw-thread fit, supporter (46) and slide bar (43) sliding fit.

3. A shaft gas carburizing furnace as defined in claim 1, wherein: elevating system (3) include a plurality of pneumatic cylinders (31), telescopic link (32), fly leaf (33) and a plurality of spring (34), pneumatic cylinder (31) are fixed to be set up base (13) upside, the one end setting of telescopic link (32) is in inside, the other end of pneumatic cylinder (31) is fixed to be set up fly leaf (33) downside, the cross section of fly leaf (33) is the ring shape, and fly leaf (33) and carburizing furnace lower cover (22) contactless, the upper end of spring (34) is fixed to be set up connecting plate (23) downside, the fixed setting of lower extreme are in fly leaf (33) upside, a plurality of spring (34) are around the axis annular evenly distributed of fly leaf (33).

4. A shaft gas carburizing furnace as defined in claim 2, wherein: and a protective cover (6) is arranged on the outer side of the motor (44).

5. A shaft gas carburizing furnace as defined in claim 1, wherein: an annular sealing gasket (5) is arranged between the carburizing furnace shell (21) and the connecting plate (23), and the sealing gasket (5) is fixedly arranged on the upper side of the connecting plate (23).

6. A shaft gas carburizing furnace as defined in claim 1, wherein: the feeding moving mechanism (4) is made of heat-resistant alloy steel materials.

7. A shaft gas carburizing furnace as defined in claim 2, wherein: the upper surface and the lower surface of the shelf (46) are provided with a plurality of uniform air holes (47).

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