CN214244528U

CN214244528U - High-pressure gas quenching vacuum furnace with preheating structure

Info

Publication number: CN214244528U
Application number: CN202023089525.7U
Authority: CN
Inventors: 张晓亮
Original assignee: Dalian Aoming Zhiyuan Metal Products Co ltd
Current assignee: Dalian Aoming Zhiyuan Metal Products Co ltd
Priority date: 2020-12-18
Filing date: 2020-12-18
Publication date: 2021-09-21
Anticipated expiration: 2030-12-18

Abstract

The utility model relates to the technical field of high-pressure gas quenching vacuum furnace production, in particular to a high-pressure gas quenching vacuum furnace with a preheating structure, which comprises a vacuum furnace main body, wherein the right side of the upper end of the vacuum furnace main body is fixedly connected with a heating box, the right end of the heating box is fixedly connected with an air inlet pipe, one end of the air inlet pipe is internally and slidably connected with a telescopic rod, the other end of the telescopic rod is fixedly connected with a movable block, the inner part of the movable block is spirally connected with a lead screw, the left end and the right end of the lead screw are respectively and rotatably connected with a supporting plate, the upper end of the supporting plate is fixedly connected with the vacuum furnace main body, and the left side of the upper end of the vacuum furnace main body is fixedly connected with a motor, thereby driving the telescopic rod to move, and realizing uniform preheating of the interior of the vacuum furnace main body.

Description

High-pressure gas quenching vacuum furnace with preheating structure

Technical Field

The utility model relates to a high-pressure gas quenching vacuum furnace production technical field specifically is a high-pressure gas quenching vacuum furnace with preheat structure.

Background

Vacuum quenching, which means to realize bright and clean quenching of parts, wherein the quenching cooling of the parts is carried out in a vacuum furnace, the quenching medium mainly comprises gas, water, vacuum quenching oil and the like, the vacuum quenching is widely applied to quenching of various carburizing steels, alloy tool steels, high-speed steels and stainless steels and solution treatment of various aging alloys and hard magnetic alloys, the gas quenching is to fill high-purity neutral gas into a cooling chamber for cooling after vacuum heating of workpieces, and the quenching is suitable for gas quenching of materials with lower martensite critical cooling speed, such as high-speed steels, high-carbon high-chromium steels and the like.

In the prior art, the inside of high-pressure gas quenching vacuum furnace does not have preheating structure, leads to in the use, and the availability factor reduces, and the time is longer, does not have cooling body simultaneously, leads to the cooling time longer, can't realize the rapid machining to the work piece.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high pressure gas quenching vacuum furnace with preheat structure to solve the problem that provides among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a high-pressure gas quenching vacuum furnace with a preheating structure comprises a vacuum furnace body, wherein a heating box is fixedly connected to the right side of the upper end of the vacuum furnace body, an air inlet pipe is fixedly connected to the right end of the heating box, a telescopic rod is slidably connected to the inside of one end of the air inlet pipe, a moving block is fixedly connected to the other end of the telescopic rod, a lead screw is spirally connected to the inside of the moving block, supporting plates are rotatably connected to the left end and the right end of the lead screw, the vacuum furnace body is fixedly connected to the upper end of the supporting plates, a motor is fixedly connected to the left side of the upper end of the vacuum furnace body, a driving bevel gear is fixedly connected to an output shaft of the motor, a driven bevel gear is meshed with the right side of the lower end of the driving bevel gear, the lead screw is fixedly connected to the right end of the driven bevel gear, supporting legs are fixedly connected to the left side and the right side of the lower end of the vacuum furnace body, and a water tank is fixedly connected to the left side of the lower end of the vacuum furnace body, the right side of water tank is equipped with cold and hot converter, and the upper end fixedly connected with vacuum furnace main part of cold and hot converter, the left end fixedly connected with outlet pipe of water tank, and the other end fixedly connected with cold and hot converter of outlet pipe, the left end fixedly connected with inlet tube of cold and hot converter, and the other end fixedly connected with water tank of inlet tube.

Preferably, the outer part of the water outlet pipe is spirally wound inside the vacuum furnace body.

Preferably, the left end of vacuum furnace main part is rotated and is connected with the open-close board, and the inside of open-close board is rotated and is connected with the bull stick, the outside fixedly connected with runner of bull stick, and the equal fixedly connected with stay cord in upper and lower both ends of runner, the other end fixedly connected with fixture block of stay cord, and the outside sliding connection of fixture block has the open-close board, the right-hand member intermediate position department of open-close board rotates and is connected with the connecting rod, and the other end of connecting rod rotates and is connected with places the board, place the equal sliding connection in both ends around the board and have the vacuum furnace main part.

Preferably, the outside of stay cord is equipped with the spring, and the one end fixedly connected with fixture block of spring, the other end fixedly connected with open-close plate of spring.

Preferably, the right end fixedly connected with screw thread piece of bull stick, and the outside screwed connection of screw thread piece has the fixed block, the lower extreme fixedly connected with open-close plate of fixed block.

Preferably, the front and back sides of the vacuum furnace main body are internally provided with sliding grooves, and the placing plate is connected with the vacuum furnace main body in a sliding mode through the sliding grooves.

Preferably, the quenching block is annularly arranged outside the placing plate, the left end and the right end of the quenching block are fixedly connected with the vacuum furnace main body, and the quenching block is long.

Compared with the prior art, the beneficial effects of the utility model are that:

1. in the utility model, the interior of the vacuum furnace main body is preheated by the arranged heating box, and the motor drives the driving bevel gear to rotate so as to drive the driven bevel gear to rotate, so that the lead screw is driven to rotate, the moving block is driven to move, the telescopic rod is driven to move, so that the interior of the vacuum furnace main body is uniformly preheated, and the vacuum furnace main body shell is cooled by the water tank and the water outlet pipe and then enters the interior of the cold-heat converter, so that water circulation is realized, the vacuum furnace main body is rapidly cooled, and the working efficiency is improved;

2. the utility model discloses in, it is rotatory to drive the runner through the bull stick that sets up to drive the stay cord and remove, thereby withdraw the fixture block, thereby realize opening of open-close board, drive the connecting rod and remove, thereby will place the board and shift out, thereby take out the work piece, through the screw connection of the screw thread piece that sets up and fixed block, thereby be convenient for to the fixed of bull stick, prevent that bull stick and runner from auto-eject under the spring drive, influence the effect of closing of open-close board, easy operation is quick.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the internal structure of the intake tube of the present invention;

FIG. 3 is a schematic diagram of the internal structure of FIG. 1;

fig. 4 is a schematic view of the mounting structure of the fixing block of the present invention;

fig. 5 is a schematic view of the internal structure of the moving block of the present invention.

In the figure: the device comprises a 1-opening plate, a 2-vacuum furnace body, a 3-driving bevel gear, a 4-motor, a 5-driven bevel gear, a 6-supporting plate, a 7-water outlet pipe, a 8-lead screw, a 9-moving block, a 10-telescopic rod, a 11-air inlet pipe, a 12-heating box, a 13-clamping block, a 14-pulling rope, a 15-rotating rod, a 16-rotating wheel, a 17-supporting leg, a 18-water tank, a 19-cold-hot conversion box, a 20-water inlet pipe, a 21-thread block, a 22-fixing block, a 23-spring, a 24-sliding chute, a 25-quenching block, a 26-connecting rod and a 27-placing plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Please refer to fig. 1-5, the present invention provides a technical solution:

a high-pressure gas quenching vacuum furnace with a preheating structure comprises a vacuum furnace main body 2, a heating box 12 is fixedly connected to the right side of the upper end of the vacuum furnace main body 2, an air inlet pipe 11 is fixedly connected to the right end of the heating box 12, an expansion link 10 is slidably connected to one end of the air inlet pipe 11, a moving block 9 is fixedly connected to the other end of the expansion link 10, a lead screw 8 is spirally connected to the inside of the moving block 9, a support plate 6 is rotatably connected to each of the left end and the right end of the lead screw 8, the vacuum furnace main body 2 is fixedly connected to the upper end of the support plate 6, a motor 4 is fixedly connected to the left end of the upper end of the vacuum furnace main body 2, a driving bevel gear 3 is fixedly connected to an output shaft of the motor 4, a driven bevel gear 5 is meshed and connected to the right side of the lower end of the driving bevel gear 3, a lead screw 8 is fixedly connected to the right end of the driven bevel gear 5, and supporting legs 17 are fixedly connected to the left side and the lower end of the vacuum furnace main body 2, and the left side of the lower end of the vacuum furnace main body 2 is fixedly connected with a water tank 18, the right side of the water tank 18 is provided with a cold-heat converter 19, the upper end of the cold-heat converter 19 is fixedly connected with the vacuum furnace main body 2, the left end of the water tank 18 is fixedly connected with a water outlet pipe 7, the other end of the water outlet pipe 7 is fixedly connected with the cold-heat converter 19, the left end of the cold-heat converter 19 is fixedly connected with a water inlet pipe 20, and the other end of the water inlet pipe 20 is fixedly connected with the water tank 18.

The outer part of the water outlet pipe 7 is spirally wound inside the vacuum furnace main body 2, and the outer part of the water outlet pipe 7 is spirally wound inside the vacuum furnace main body 2, so that the shell of the vacuum furnace main body 2 can be cooled by the water outlet pipe 7 conveniently, and the internal heat is prevented from being led out through the vacuum furnace main body 2 to cause damage to a human body; the vacuum furnace comprises a vacuum furnace body 2, a plywood 1 is rotatably connected to the left end of the vacuum furnace body 2, a rotating rod 15 is rotatably connected to the inside of the plywood 1, a rotating wheel 16 is fixedly connected to the outside of the rotating rod 15, pull ropes 14 are fixedly connected to the upper end and the lower end of the rotating wheel 16, a clamping block 13 is fixedly connected to the other end of each pull rope 14, the plywood 1 is slidably connected to the outside of the clamping block 13, a connecting rod 26 is rotatably connected to the middle position of the right end of the plywood 1, a placing plate 27 is rotatably connected to the other end of the connecting rod 26, the vacuum furnace body 2 is slidably connected to the front end and the rear end of the placing plate 27, the rotating wheel 16 is driven to rotate through the rotating rod 15, the clamping block 13 is driven to be retracted, the plywood 1 is opened, the placing plate 27 is driven to be pulled out through the connecting rod 26, and a workpiece is taken out simply and conveniently; a spring 23 is arranged outside the pull rope 14, one end of the spring 23 is fixedly connected with a clamping block 13, the other end of the spring 23 is fixedly connected with the opening plate 1, and the spring 23 is arranged to drive the clamping block 13 to pop up conveniently, so that the opening plate 1 is fixed, and the vacuum furnace body 1 is sealed; the right end of the rotating rod 15 is fixedly connected with a thread block 21, the outer part of the thread block 21 is spirally connected with a fixed block 22, the lower end of the fixed block 22 is fixedly connected with the opening plate 1, and the rotating rod 15 is conveniently fixed by the spiral connection of the thread block 21 and the fixed block 22, so that the rotating rod 15 and the rotating wheel 16 are prevented from automatically popping up under the driving of a spring 23 to influence the closing effect of the opening plate 1; the front and rear sides of the vacuum furnace main body 2 are internally provided with sliding grooves 24, the placing plate 27 is connected with the vacuum furnace main body 2 in a sliding manner through the sliding grooves 24, and the moving direction of the placing plate 27 is convenient to determine through the sliding grooves 24, so that the function of automatically opening the placing plate 27 when the opening plate 1 is opened is realized; the quenching block 25 is annularly arranged outside the placing plate 27, the left end and the right end of the quenching block 25 are fixedly connected with the vacuum furnace main body 2, the quenching block 25 is long-shaped, quenching of a workpiece at the upper end of the placing plate 27 is facilitated, and meanwhile circulation of hot air exhausted by the heating box 12 in the vacuum furnace main body 1 is facilitated.

The working process is as follows: starting a power supply, firstly starting the heating box 12, leading hot air generated by the heating box 12 to enter the inside of the telescopic rod 10 through the air outlet pipe 11 and then enter the inside of the moving block 9, starting the motor 4 to drive the driving bevel gear 3 to rotate, thereby driving the driven bevel gear 5 to rotate, thereby driving the lead screw to rotate, and driving the moving block 9 to move, thereby realizing uniform preheating of the inside of the vacuum furnace main body 2, after the preheating is finished, rotating the rotating rod 15 to drive the rotating wheel 16 to rotate, thereby driving the pull rope 14 to move, thereby driving the clamping block 13 to move, thereby opening the opening plate 1, and through the screw connection of the arranged screw block 21 and the fixed block 22, thereby facilitating the fixing of the rotating rod 15, preventing the rotating rod 15 and the rotating wheel 16 from automatically popping out under the driving of the spring 23, influencing the closing effect of the opening plate 1, then driving the placing plate 27 to move through the arranged pull rod 26, placing a workpiece on the placing plate 27, close the open close plate 1, the bull stick 15 rotates, spring 23 through the setting pops out fixture block 13, thereby realize the fixed to open close plate 1, thereby will place the inside that board 27 impels vacuum furnace main part 2, start quenching piece 25, thereby to work piece air quenching, after the air quenching work, start water tank 18, outlet pipe 7 through the setting, will realize the cooling to vacuum furnace main part 1 is inside, again with the cooling water drainage carry out cold and hot conversion in cold and hot converter 19 is inside, the inside of case 18 is arranged into with cold water to the inlet tube 20 that the rethread set up, thereby realize the hydrologic cycle, the water economy resource, open close plate 1, will place board 27 and pull out, can with the work piece take out, the work is over, close the power.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a high-pressure gas quenching vacuum furnace with preheat structure, includes vacuum furnace main part (2), its characterized in that: the vacuum furnace is characterized in that a heating box (12) is fixedly connected to the right side of the upper end of the vacuum furnace main body (2), an air inlet pipe (11) is fixedly connected to the right end of the heating box (12), an expansion link (10) is slidably connected to the inside of one end of the air inlet pipe (11), a moving block (9) is fixedly connected to the other end of the expansion link (10), a lead screw (8) is spirally connected to the inside of the moving block (9), support plates (6) are rotatably connected to the left end and the right end of the lead screw (8), the vacuum furnace main body (2) is fixedly connected to the upper end of the support plates (6), a motor (4) is fixedly connected to the left end of the upper end of the vacuum furnace main body (2), a driving bevel gear (3) is fixedly connected to an output shaft of the motor (4), a driven bevel gear (5) is meshed with the right side of the lower end of the driving bevel gear (3), and the right end of the driven bevel gear (5) is fixedly connected with the lead screw (8), the equal fixedly connected with landing leg (17) of the lower extreme left and right sides of vacuum furnace main part (2), and the lower extreme left side fixedly connected with water tank (18) of vacuum furnace main part (2), the right side of water tank (18) is equipped with cold and hot converter (19), and the upper end fixedly connected with vacuum furnace main part (2) of cold and hot converter (19), the left end fixedly connected with outlet pipe (7) of water tank (18), and the cold and hot converter (19) of the other end fixedly connected with of outlet pipe (7), the left end fixedly connected with inlet tube (20) of cold and hot converter (19), and the other end fixedly connected with water tank (18) of inlet tube (20).

2. The high-pressure gas quenching vacuum furnace with the preheating structure as claimed in claim 1, wherein: the outer part of the water outlet pipe (7) is spirally wound in the vacuum furnace main body (2).

3. The high-pressure gas quenching vacuum furnace with the preheating structure as claimed in claim 1, wherein: the utility model discloses a vacuum furnace, including vacuum furnace main part (2), the left end of vacuum furnace main part (2) is rotated and is connected with open-close plate (1), and the inside rotation of open-close plate (1) is connected with bull stick (15), outside fixedly connected with runner (16) of bull stick (15), and the equal fixedly connected with stay cord (14) in upper and lower both ends of runner (16), the other end fixedly connected with fixture block (13) of stay cord (14), and the outside sliding connection of fixture block (13) has open-close plate (1), the right-hand member intermediate position department of open-close plate (1) rotates and is connected with connecting rod (26), and the other end rotation of connecting rod (26) is connected with places board (27), place the equal sliding connection in both ends has vacuum furnace main part (2) around board (27).

4. The high-pressure gas quenching vacuum furnace with the preheating structure as claimed in claim 3, wherein: the outside of stay cord (14) is equipped with spring (23), and the one end fixedly connected with fixture block (13) of spring (23), the other end fixedly connected with open-close plate (1) of spring (23).

5. The high-pressure gas quenching vacuum furnace with the preheating structure as claimed in claim 3, wherein: the right-hand member fixedly connected with screw thread piece (21) of bull stick (15), and the outside screwed connection of screw thread piece (21) has fixed block (22), the lower extreme fixedly connected with open-close plate (1) of fixed block (22).

6. The high-pressure gas quenching vacuum furnace with the preheating structure as claimed in claim 2, wherein: the vacuum furnace is characterized in that sliding grooves (24) are formed in the front side and the rear side of the vacuum furnace main body (2), and the placing plate (27) is connected with the vacuum furnace main body (2) in a sliding mode through the arranged sliding grooves (24).

7. The high-pressure gas quenching vacuum furnace with the preheating structure as claimed in claim 3, wherein: the outer portion of the placing plate (27) is provided with a quenching block (25) which is annularly arranged, the left end and the right end of the quenching block (25) are fixedly connected with the vacuum furnace main body (2), and the outer shape of the quenching block (25) is long.