CN217398941U

CN217398941U - Metal high-temperature modulation vacuum quenching furnace

Info

Publication number: CN217398941U
Application number: CN202221477569.3U
Authority: CN
Inventors: 侯冬; 侯占江; 张孝文; 何利峰; 师星
Original assignee: Baoding Yongfeng Precision Machinery Manufacturing Co ltd
Current assignee: Baoding Yongfeng Precision Machinery Manufacturing Co ltd
Priority date: 2022-06-14
Filing date: 2022-06-14
Publication date: 2022-09-09
Anticipated expiration: 2032-06-14

Abstract

The utility model discloses a metal high-temperature modulation vacuum quenching furnace, which comprises a furnace body, wherein furnace doors are arranged at two ends of the furnace body, a heating chamber and a cooling chamber are arranged in the furnace body, a heat insulation door is arranged between the heating chamber and the cooling chamber, a carrying trolley is arranged in the heating chamber, two first tracks which are arranged side by side are arranged below the carrying trolley, and the first tracks are fixed in the heating chamber through first supports; the cooling chamber is internally provided with a traction trolley for dragging the carrying trolley, two second rails which are arranged side by side are arranged below the traction trolley, the second rails correspond to the first rails, and the second rails are fixed on a horizontal driving mechanism below through a second support. The utility model discloses can quench the steady transfer of heating workpiece in the cooling chamber, reduce the expense, control the cost, simultaneously rational in infrastructure, convenient operation.

Description

Metal high-temperature modulation vacuum quenching furnace

Technical Field

The utility model relates to a vacuum furnace field especially relates to a metal high temperature modulation vacuum quenching furnace.

Background

The vacuum quenching furnace is the most commonly used metal heat treatment equipment, and the quenched metal can greatly improve the rigidity, the hardness, the wear resistance, the fatigue strength, the toughness and the like, so that different use requirements of various mechanical parts and tools are met. At present, a common vacuum quenching furnace consists of a furnace body and a movable underframe, a crane is arranged on the top of a furnace cover, and a charging basket can be hung to a hearth through a chain and a hook. The furnace cover is supported by section steel, a pneumatic or electric operated furnace door is arranged at the bottom of the furnace cover, the equipment generally adopts hanging type heating, and a workpiece is moved into a cold chamber for cooling through a caterpillar track after being heated. The suspension type quenching furnace has the following defects: the chain track is located in the heating chamber, and has specific requirements on the fire resistance grade of each component of the chain track, and the chain track and each component need to be replaced after being used for a period of time for safety during hoisting, so that the production cost is increased.

SUMMERY OF THE UTILITY MODEL

Based on the above problem, the utility model aims at providing a metal high temperature modulation vacuum quenching furnace, the utility model adopts the following technical scheme:

the utility model provides a metal high-temperature modulation vacuum quenching furnace, which comprises a furnace body, wherein furnace doors are arranged at two ends of the furnace body, a heating chamber and a cooling chamber are arranged in the furnace body, a heat insulation door is arranged between the heating chamber and the cooling chamber, a carrying trolley is arranged in the heating chamber, two first tracks which are arranged side by side are arranged below the carrying trolley, and the first tracks are fixed in the heating chamber through a first bracket; the cooling chamber is internally provided with a traction trolley for dragging the carrying trolley, two second rails which are arranged side by side are arranged below the traction trolley, the second rails correspond to the first rails, and the second rails are fixed on a horizontal driving mechanism below through a second support.

Preferably, a first hook is arranged at the rear part of the traction trolley and is hinged in a U-shaped hook seat, the U-shaped hook seat is fixed on the traction trolley, the hook head of the first hook faces downwards, and a first guide sliding surface is arranged on the outer side of the hook head of the first hook;

the front part of the carrying trolley is provided with a second hook, the second hook is fixed on the traction trolley, the hook head of the second hook faces upwards, and a second guide sliding surface is arranged on the outer side of the hook head of the second hook.

Preferably, the horizontal driving mechanism comprises a rack arranged in the cooling chamber, linear slide rails are arranged on two sides of the rack, linear slide blocks are connected to the linear slide rails in a sliding mode, the top of each linear slide block is connected with the lower end of the second support, chain wheels are arranged at two ends of the lower portion of each linear slide rail, the chain wheels at the same side are connected through chain transmission, and one chain link of each chain is connected with the corresponding linear slide block.

Preferably, be provided with drive arrangement in the rack, drive arrangement includes motor and dual output shaft reduction gear, two power output shafts of dual output shaft reduction gear are respectively through transmission shaft and both sides the sprocket drive is connected.

Preferably, the heating chamber is connected with a vacuum-pumping system, and the cooling chamber is connected with a gas cooling system.

Preferably, a heating element is arranged in the heating chamber, and the heating element is isolated from the inner wall of the furnace body through a high-temperature ceramic piece.

Compared with the prior art, the utility model discloses a beneficial technological effect:

the utility model discloses can quench the steady transfer of heating workpiece in the cooling chamber, reduce the expense, control the cost, simultaneously rational in infrastructure, convenient operation.

Drawings

The present invention will be further explained with reference to the following description of the drawings.

FIG. 1 is a schematic view of the structure of the high-temperature metal-conditioning vacuum quenching furnace;

FIG. 2 is a drawing and matching schematic diagram of the utility model of a traction trolley and a carrying trolley;

fig. 3 is a schematic view of the horizontal driving mechanism of the present invention;

fig. 4 is a schematic view of the horizontal driving mechanism of the present invention.

Description of reference numerals: 1. a furnace body; 101. a furnace door; 102. a heating chamber; 103. a cooling chamber; 2. a heat-insulating door; 3. a carrying trolley; 301. a second hook; 302. a second leading slide surface; 4. a first track; 5. a first bracket; 6. a tractor; 601. a first hook; 602. a U-shaped hook seat; 603. a first leading slide surface; 7. a second track; 8. a second bracket; 9. a horizontal driving mechanism; 901. a rack; 902. a linear slide rail; 903. a linear slider; 904. a sprocket; 905. a chain; 906. a drive device; 906-1, a motor; 906-2, double output shaft decelerator; 906-3, drive shaft; 10. a vacuum pumping system; 11. a gas cooling system; 12. a ceramic piece; 13. a heating element.

Detailed Description

In order to make the technical problem, technical solution and beneficial effects to be solved by the present invention more clearly understood, the following description is made in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

It should be noted that the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate 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, "a plurality" means two or more unless specifically limited otherwise. The meaning of "a number" is one or more unless specifically limited otherwise.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

As shown in fig. 1, the embodiment discloses a metal high temperature modulation vacuum quenching furnace, which comprises a furnace body 1, wherein two ends of the furnace body 1 are respectively provided with an openable furnace door 101, the furnace doors 101 are hinged on the furnace body 1, the furnace doors 101 are locked and closed with the furnace body through surrounding locking pieces, and the furnace doors and the furnace body are sealed by adopting an aluminum silicate refractory fiber material. The furnace body 1 is provided with a heating chamber 102 and a cooling chamber 103, a heat insulation door 2 is arranged between the heating chamber 102 and the cooling chamber 103, the heat insulation door 2 slides up and down along a slide rail on a partition wall to further realize closing or opening, the heat insulation door 2 is driven by a lifting mechanism, and the lifting mechanism can be an air cylinder or a motor screw rod.

In order to realize the transfer of the workpiece from the heating chamber 102 to the cooling chamber 103, a carrying trolley 3 is arranged in the heating chamber 102, two first rails 4 arranged side by side are arranged below the carrying trolley 3, rollers are mounted at the bottom of the carrying trolley 3 and roll along the first rails 4 below, and the first rails 4 are fixed in the heating chamber 102 through first brackets 5; meanwhile, a traction trolley 6 used for dragging the carrying trolley 3 is arranged in the cooling chamber 103, two second rails 7 which are arranged side by side are arranged below the traction trolley 6, rollers are also arranged at the bottom of the traction trolley 6, the rollers at the bottom of the traction trolley 6 are driven by a motor in the trolley, the rollers at the bottom of the traction trolley 6 roll along the second rails 7, and the second rails 7 and the first rails 4 are on the same axis and correspond to each other. The second rail 7 is fixed on a horizontal driving mechanism 9 below through a second bracket 8, the horizontal driving mechanism 9 drives the second rail 7 to be in butt joint with the first rail 4 through the second bracket 8, and the carrier trolley 3 is dragged into the cooling chamber 103 after the traction trolley 6 moves into the heating chamber 102 along the rails.

As shown in fig. 2, in this embodiment, a first hook 601 is disposed at the rear portion of the towing trolley 6, the first hook 601 is hinged in the U-shaped hook seat 602, the first hook 601 can rotate counterclockwise, and in a normal state, due to a limiting effect at the bottom of the U-shaped hook seat 602, the first hook 601 is in a horizontal position. The U-shaped hook base 602 is fixed on the traction trolley 6, the hook head of the first hook 601 faces downward, and the outer side of the hook head of the first hook 601 is provided with a first sliding guide surface 603. The front part of the carrying trolley 3 is provided with a second hook 301, the second hook 301 is fixed on the traction trolley 6, the hook head of the second hook 301 faces upwards, and the outer side of the hook head of the second hook 301 is provided with a second sliding guide surface 302.

When the towing trolley 6 approaches the loading trolley 3, the first sliding guide surface 603 of the first hook 601 contacts the second sliding guide surface 302 of the second hook 301, and the first hook 601 slides along the second sliding guide surface 302 until the hook head of the first hook 601 is hooked on the hook head of the second hook 301, so that the towing trolley 6 can drag the loading trolley 3 to move.

As shown in fig. 3 and 4, in the present embodiment, the horizontal driving mechanism 9 includes a rack 901 disposed in the cooling chamber 103, both side portions of the rack 901 are provided with linear slide rails 902, a linear slider 903 is slidably connected to the linear slide rails 902, the top of the linear slider 903 is connected to the lower end of the second support 8, both ends below the linear slide rails 902 are provided with chain wheels 904, the two chain wheels 904 on the same side are in transmission connection through a chain 905, wherein one of the chain links of the chain 905 on the upper layer is connected to the linear slider 903.

In consideration of the moving distance of the second rail 7 when it is butted against the first rail 4, in this embodiment, the front portion of the second rail 7 is in a suspended state, two second brackets 8 are provided at the rear portion of the second rail 7, and the second bracket 8 located at the rear is connected to one of the links of the chain 905.

In the embodiment, two chain wheels 904 at the rear are in power connection with a driving device 906, the driving device 906 is installed in the rack 901, the driving device 906 comprises a motor 906-1 and a double-output-shaft reducer 906-2, and two power output shafts of the double-output-shaft reducer 906-2 are in transmission connection with the chain wheels 904 at two sides through transmission shafts 906-3 respectively.

In the present embodiment, the heating chamber 102 is connected to the vacuum pumping system 10, the cooling chamber 103 is connected to the gas cooling system 11, the gas cooling system 11 is designed as an internal circulation type, and the gas cooling system 11 is typically a nitrogen gas cooling quenching system. The vacuum pumping system 10 and the gas cooling system 11 belong to the prior art, and the detailed structure thereof is not described herein.

The heating chamber 102 is internally provided with a heating element 13, the heating element is generally made of alloy wires and wound into a belt shape, the heating element is sleeved on an insulating ceramic tube and fixed on a furnace shell through stainless steel bars, a resistance belt of the structure is hung around a hearth and is beneficial to heat dissipation and circulation, the heating element 13 is isolated from the inner wall of the furnace body 1 through a high-temperature ceramic part 12, the ceramic part 12 needs to be fixed on the inner wall of the furnace body 1, and the ceramic part 12 is generally made of alumina ceramics.

The above-mentioned embodiments are only intended to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and those skilled in the art should also be able to make various modifications and improvements to the technical solution of the present invention without departing from the spirit of the present invention, and all such modifications and improvements are intended to fall within the scope of the present invention as defined in the appended claims.

Claims

1. The utility model provides a metal high temperature modulation vacuum quenching furnace, includes furnace body (1), the both ends of furnace body (1) all are provided with furnace gate (101), be provided with heating chamber (102) and cooling chamber (103) in the furnace body (1), be provided with insulated door (2) between heating chamber (102) and cooling chamber (103), its characterized in that: a carrying trolley (3) is arranged in the heating chamber (102), two first rails (4) which are arranged side by side are arranged below the carrying trolley (3), and the first rails (4) are fixed in the heating chamber (102) through first supports (5); a traction trolley (6) used for dragging the carrying trolley (3) is arranged in the cooling chamber (103), two second rails (7) which are arranged side by side are arranged below the traction trolley (6), the second rails (7) correspond to the first rails (4), and the second rails (7) are fixed on a horizontal driving mechanism (9) below through a second support (8).

2. The metal high temperature conditioning vacuum quenching furnace of claim 1, wherein: a first hook (601) is arranged at the rear part of the traction trolley (6), the first hook (601) is hinged in a U-shaped hook seat (602), the U-shaped hook seat (602) is fixed on the traction trolley (6), the hook head of the first hook (601) faces downwards, and a first guide sliding surface (603) is arranged on the outer side of the hook head of the first hook (601);

the front part of the carrying trolley (3) is provided with a second hook (301), the second hook (301) is fixed on the traction trolley (6), the hook head of the second hook (301) faces upwards, and a second guide sliding surface (302) is arranged on the outer side of the hook head of the second hook (301).

3. The metal high temperature conditioning vacuum quenching furnace of claim 1, wherein: the horizontal driving mechanism (9) comprises a rack (901) arranged in the cooling chamber (103), two side portions of the rack (901) are respectively provided with a linear sliding rail (902), the linear sliding rails (902) are connected with linear sliding blocks (903) in a sliding mode, the tops of the linear sliding blocks (903) are connected with the lower end of the second support (8), two ends of the lower portion of each linear sliding rail (902) are respectively provided with a chain wheel (904), the two chain wheels (904) on the same side are connected through a chain (905) in a transmission mode, and one chain link of the chain (905) on the upper layer is connected with the linear sliding block (903).

4. The metal high temperature conditioning vacuum quenching furnace of claim 3, wherein: the rack (901) is internally provided with a driving device (906), the driving device (906) comprises a motor (906-1) and a double-output-shaft speed reducer (906-2), and two power output shafts of the double-output-shaft speed reducer (906-2) are in transmission connection with the chain wheels (904) on two sides through transmission shafts (906-3).

5. The metal high temperature conditioning vacuum quenching furnace of claim 1, wherein: the heating chamber (102) is connected with a vacuum-pumping system (10), and the cooling chamber (103) is connected with a gas cooling system (11).

6. The metal high temperature conditioning vacuum quenching furnace of claim 1, wherein: a heating element (13) is arranged in the heating chamber (102), and the heating element (13) is isolated from the inner wall of the furnace body (1) through a high-temperature ceramic piece (12).