CN214032667U

CN214032667U - Heat treatment device for valve production

Info

Publication number: CN214032667U
Application number: CN202022813821.0U
Authority: CN
Inventors: 叶培鸥
Original assignee: Tianjin Crd Self Control Valve Co ltd
Current assignee: Tianjin Crd Self Control Valve Co ltd
Priority date: 2020-11-29
Filing date: 2020-11-29
Publication date: 2021-08-24
Anticipated expiration: 2030-11-29

Abstract

The utility model provides a heat treatment device is used in valve production belongs to thermal treatment technical field. The heat treatment device for valve production comprises a box body assembly, a turning heating assembly and a cooling assembly. The second shell is connected above the first shell, and the box cover is fixed above the second shell. The connecting plate is connected to the lower portion inside the second shell, the two ends of the bottom plate are connected with the connecting plate in a sliding mode, the heating element is fixed to the lower portion of the box cover, the fan is connected to the two sides inside the second shell, the rotating shaft is connected to the upper portion of the bottom plate, the motor is fixed to one side outside the second shell, the output end of the motor is connected with the rotating shaft in a rotating mode, and the turning plate is connected to the rotating shaft. The valve structure is beneficial to reducing the influence of oxygen on the surface quality of the valve, fully contacting the surface of the valve with nitrogen and rapidly cooling the valve.

Description

Heat treatment device for valve production

Technical Field

The utility model relates to a heat treatment field particularly, relates to a heat treatment device is used in valve production.

Background

Heat treatment generally does not change the shape and overall chemical composition of the workpiece, but rather imparts or improves the performance properties of the workpiece by changing the microstructure within the workpiece, or changing the chemical composition of the surface of the workpiece. The method is characterized in that the inherent quality of the workpiece is improved, which is not generally seen by naked eyes, and the method is a special technological process in mechanical manufacturing and is also an important link of quality management.

In the existing heat treatment process, in order to improve the surface hardness and wear resistance of the valve during production and processing of the valve, nitrogen is generally introduced and forms a nitride layer with the surface of the valve in a heating environment so as to improve the surface hardness and wear resistance of the valve, but in actual operation, the surface of the valve is easy to be oxidized with oxygen in the air under the heating condition, so that the surface quality of the valve is affected, meanwhile, the surface of the valve cannot be fully contacted with the nitrogen in the reaction process of the valve and various physical properties of the valve are unstable, and the valve cannot be rapidly cooled after the heating is finished.

SUMMERY OF THE UTILITY MODEL

In order to compensate above not enough, the utility model provides a heat treatment device is used in valve production aims at improving the surface of valve under the condition of heating and takes place oxidation reaction with the oxygen in the air easily, influences the surface quality of valve, and the surface that has the valve simultaneously in the reaction process with nitrogen gas can not fully contact with nitrogen gas, leads to the various physical properties of valve unstable to and after the heating is accomplished, can not be quick carry out refrigerated problem to the valve.

The utility model discloses a realize like this:

the utility model provides a heat treatment device for valve production includes the box subassembly, turns heating element and cooling module.

The box body assembly comprises a first shell, a second shell and a box cover, the second shell is connected above the first shell, and the box cover is fixed above the second shell.

The utility model discloses a box cover, including the bottom plate, the nitrogen gas injection pipe, the vacuum aspiration pump, heating member, fan, pivot, motor and turn over the board, the connecting plate is connected the inside below of second casing, the both ends of bottom plate with connecting plate sliding connection, the nitrogen gas injection pipe is connected one side of second casing, the vacuum aspiration pump is fixed the top of case lid, the input of vacuum aspiration pump with the inside intercommunication of second casing, the heating member is fixed the below of case lid, the fan is connected the inside both sides of second casing, the pivot is connected the top of bottom plate, the motor is fixed outside one side of second casing, the output of motor with the pivot is rotated and is connected, turn over the board and connect in the pivot.

The cooling assembly comprises a cooling box and an electric push rod, the cooling box is fixed to the inner bottom end of the first shell, the electric push rod is fixed to the outer bottom end of the first shell, and the output end of the electric push rod is connected with the bottom plate.

The utility model discloses an in the embodiment, the both sides of first casing are connected with the supporting leg, the below of supporting leg is connected with the lower margin.

In an embodiment of the present invention, the top of the case cover is connected with a handle, and the handle is fixed at both ends of the case cover.

In an embodiment of the present invention, the second housing is connected to a reinforcing rib, and a door is disposed outside the second housing.

The utility model discloses an in the embodiment, be provided with the handle on the chamber door, the perspective window has been seted up on the chamber door.

In an embodiment of the present invention, a thermometer is disposed on one side of the top of the second casing, and a pressure gauge is disposed on the other side of the top of the second casing.

The utility model discloses an in one embodiment, the spout has been seted up on the connecting plate, the both ends sliding connection of bottom plate is in the spout.

In an embodiment of the present invention, the vacuum pump and the second casing are connected to a connecting pipe therebetween, and an output end of the vacuum pump is connected to an exhaust pipe.

The utility model discloses an in the embodiment, the heating member includes connecting rod and heater strip, the connecting rod is connected the below of case lid, the heater strip with connecting rod fixed connection, the below of motor is connected with the fixed block.

The utility model discloses an in one embodiment, one side of cooler bin is connected with the water injection pipe, the bottom of cooler bin is connected with the drain pipe, the water injection pipe with the drain pipe with first casing intercommunication, electric putter's outside is provided with the protection casing.

The utility model has the advantages that: the utility model discloses a heat treatment device is used in valve production that above-mentioned design obtained, during the use, open the case lid and put into the valve on the bottom plate, then seal the case lid, start the vacuum aspiration pump and take the air in the second casing outside out, make and keep a vacuum environment in the second casing, oxygen in the air and valve surface oxidation reaction appear, then let in the external nitrogen source to the second casing through the nitrogen gas injection pipe, heat the heating up through heating member to the second casing inside, nitrogen gas decomposes out the active nitrogen atom after heating, form the nitride layer on its surface after being absorbed by the valve, simultaneously inside diffuses, thereby improve the hardness and the wearability on valve surface, drive pivot and turn over the board and rotate through the starter motor, make and turn over the board and can turn the valve of placing on the bottom plate, be favorable to every position of valve all can react with nitrogen gas, avoid appearing some dead angles to influence the whole quality of part, after heating and heat preservation certain time, start electric putter, electric putter drives the bottom plate and removes, removes the bottom plate to the cooler bin in, realizes the quick cooling of valve, is favorable to cooling down the valve, is favorable to reducing the influence that oxygen caused to the surface quality of valve, is favorable to the surface and the nitrogen gas full contact of valve, is favorable to the quick valve to cool off.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic structural view of a heat treatment apparatus for valve production according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a box assembly according to an embodiment of the present invention;

fig. 3 is a schematic structural view of a turning heating assembly provided in an embodiment of the present invention;

fig. 4 is a schematic structural view of the cooling assembly according to the embodiment of the present invention.

In the figure: 100-a case assembly; 110-a first housing; 120-a second housing; 130-support legs; 132-ground margin; 140-a box cover; 142-a handle; 150-reinforcing ribs; 160-a door; 162-a handle; 164-a see-through window; 170-thermometer; 180-pressure gauge; 200-turning over the heating component; 210-a connecting plate; 212-a chute; 220-a backplane; 230-nitrogen gas injection pipe; 240-vacuum pump; 242-connecting tube; 244-an exhaust pipe; 250-a heating element; 252-a connecting rod; 254-heating wires; 260-a fan; 270-a rotating shaft; 280-motor; 282-fixed blocks; 290-a flap; 300-a cooling down assembly; 310-a cooling tank; 320-a water injection pipe; 330-a drain pipe; 340-an electric push rod; 342-protective cover.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are 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.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. 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.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", 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 to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating 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.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Examples

Referring to fig. 1-4, the present invention provides a technical solution: a heat treatment device for valve production comprises a box body assembly 100, a turning heating assembly 200 and a cooling assembly 300.

Referring to fig. 1 to 4, the box assembly 100 includes a first housing 110, a second housing 120 and a box cover 140, wherein the second housing 120 is connected above the first housing 110, support legs 130 are connected to two sides of the first housing 110, and feet 132 are connected below the support legs 130. The cover 140 is fixed above the second housing 120, a handle 142 is connected above the cover 140, and the handle 142 is fixed at two ends of the cover 140. The exterior of the second casing 120 is connected with a reinforcing rib 150, the exterior of the second casing 120 is provided with a door 160, the door 160 is provided with a handle 162, and the door 160 is provided with a transparent window 164. A thermometer 170 is disposed on one side of the upper portion of the second casing 120, and a pressure gauge 180 is disposed on the other side of the upper portion of the second casing 120. The temperature in the second housing 120 can be known through the temperature gauge 170, and the pressure and the gas amount in the second housing 120 can be conveniently known through the pressure gauge 180.

Referring to fig. 1-4, the flipping heating assembly 200 includes a connection plate 210, a bottom plate 220, a nitrogen gas injection pipe 230, a vacuum pump 240, a heating element 250, a fan 260, a rotation shaft 270, a motor 280, and a flipping plate 290, wherein the connection plate 210 is connected to the lower portion of the inside of the second housing 120, two ends of the bottom plate 220 are slidably connected to the connection plate 210, a sliding slot 212 is formed on the connection plate 210, and two ends of the bottom plate 220 are slidably connected to the sliding slot 212. The nitrogen injection pipe 230 is connected to one side of the second housing 120, an external nitrogen source is introduced into the second housing 120 through the nitrogen injection pipe 230, the vacuum pump 240 is fixed above the tank cover 140, an input end of the vacuum pump 240 is communicated with the inside of the second housing 120, a connection pipe 242 is connected between the vacuum pump 240 and the second housing 120, and an output end of the vacuum pump 240 is connected to an exhaust pipe 244. The heating element 250 is fixed below the box cover 140, the fan 260 is connected to two sides of the inside of the second casing 120, the rotating shaft 270 is connected to the upper side of the bottom plate 220, the motor 280 is fixed to one side of the outside of the second casing 120, the output end of the motor 280 is rotatably connected to the rotating shaft 270, the heating element 250 comprises a connecting rod 252 and a heating wire 254, the connecting rod 252 is connected to the lower side of the box cover 140, the heating wire 254 is fixedly connected to the connecting rod 252, a fixing block 282 is connected to the lower side of the motor 280, and the turning plate 290 is connected to the rotating shaft 270. The rotating shaft 270 and the turning plate 290 are driven to rotate by the starting motor 280, so that the turning plate 290 can turn over the valve placed on the bottom plate 220, each part of the valve can react with nitrogen, and dead angles are avoided, and the overall quality of parts is influenced.

Referring to fig. 1-4, the cooling assembly 300 includes a cooling box 310 and an electric push rod 340, the cooling box 310 is fixed at the inner bottom end of the first casing 110, the electric push rod 340 is fixed at the outer bottom end of the first casing 110, and the output end of the electric push rod 340 is connected to the bottom plate 220. One side of the cooling box 310 is connected with a water injection pipe 320, the bottom end of the cooling box 310 is connected with a water discharge pipe 330, the water injection pipe 320 and the water discharge pipe 330 are communicated with the first casing 110, and a protective cover 342 is arranged outside the electric push rod 340. Inject the cooling water into the cooler bin 310 through water injection pipe 320, then start electric putter 340, electric putter 340 drives bottom plate 220 and removes, removes bottom plate 220 to the cooler bin 310 in, realizes the quick cooling of valve, is favorable to cooling down the valve, is favorable to the cooling water holding cycle in the cooler bin 310 through setting up water injection pipe 320 and drain pipe 330.

The working principle of the heat treatment device for valve production is as follows: when the device is used, the box cover 140 and the box door 160 are opened to place the valve on the bottom plate 220, then the box door 160 and the closed box cover 140 are closed, the vacuum air pump 240 is started to pump the air in the second shell 120 to the outside, the pressure and the air quantity in the second shell 120 are conveniently known through the arranged pressure gauge 180, a vacuum environment is kept in the second shell 120, the oxidation reaction between the oxygen in the air and the surface of the valve is avoided, then the external nitrogen source is introduced into the second shell 120 through the nitrogen injection pipe 230, the interior of the second shell 120 is heated and heated through the heating wire 254, the nitrogen is heated to decompose active nitrogen atoms, a nitride layer is formed on the surface of the nitrogen atom after being absorbed by the valve and is diffused to the inside, so that the hardness and the wear resistance of the surface of the valve are improved, the rotating shaft 270 and the turning plate 290 are driven to rotate through the starting motor 280, so that the turning plate 290 can turn over the valve placed on the bottom plate 220, each part of the valve can react with nitrogen gas to avoid dead angles, so that the whole quality of parts is influenced, the temperature in the second shell 120 can be known through the thermometer 170, after heating and heat preservation are carried out for a certain time, cooling water is injected into the cooling tank 310 through the water injection pipe 320, then the electric push rod 340 is started, the electric push rod 340 drives the bottom plate 220 to move, the bottom plate 220 is moved into the cooling tank 310, the quick cooling of the valve is realized, the temperature reduction of the valve is facilitated, the circulation of the cooling water in the cooling tank 310 is facilitated by arranging the water injection pipe 320 and the water drainage pipe 330, the problem that the surface of the valve is easy to have oxidation reaction with oxygen in the air under the heating condition to influence the surface quality of the valve is solved, meanwhile, the surface of the valve cannot be fully contacted with the nitrogen gas in the reaction process with the nitrogen gas to cause the instability of various physical properties of the valve, and the problem that the valve cannot be cooled quickly after heating is finished.

It should be noted that the specific model specifications of the vacuum pump 240, the heater wire 254, the fan 260, the motor 280, and the electric push rod 340 need to be determined according to the actual specification of the device, and the specific model selection calculation method adopts the prior art, so detailed description is omitted.

The power supply and the principle of the vacuum pump 240, the heating wire 254, the fan 260, the motor 280 and the electric push rod 340 will be apparent to those skilled in the art and will not be described in detail herein.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A heat treatment device for valve production is characterized by comprising

A case assembly (100), wherein the case assembly (100) comprises a first shell (110), a second shell (120) and a case cover (140), the second shell (120) is connected above the first shell (110), and the case cover (140) is fixed above the second shell (120);

the flip heating assembly (200) comprises a connecting plate (210), a bottom plate (220), a nitrogen injection pipe (230), a vacuum air pump (240), a heating element (250), a fan (260), a rotating shaft (270), a motor (280) and a flap (290), wherein the connecting plate (210) is connected below the inside of the second shell (120), two ends of the bottom plate (220) are slidably connected with the connecting plate (210), the nitrogen injection pipe (230) is connected to one side of the second shell (120), the vacuum air pump (240) is fixed above the box cover (140), an input end of the vacuum air pump (240) is communicated with the inside of the second shell (120), the heating element (250) is fixed below the box cover (140), and the fan (260) is connected to two sides of the inside of the second shell (120), the rotating shaft (270) is connected above the bottom plate (220), the motor (280) is fixed on one side of the outside of the second shell (120), the output end of the motor (280) is rotatably connected with the rotating shaft (270), and the turning plate (290) is connected on the rotating shaft (270);

cooling subassembly (300), cooling subassembly (300) include cooler bin (310) and electric putter (340), cooler bin (310) are fixed the inside bottom of first casing (110), electric putter (340) are fixed the outside bottom of first casing (110), electric putter (340) the output with bottom plate (220) are connected.

2. The heat treatment apparatus for valve production according to claim 1, wherein support legs (130) are connected to both sides of the first casing (110), and lower feet (132) are connected to the lower portions of the support legs (130).

3. The heat treatment device for valve production according to claim 1, wherein a handle (142) is connected to an upper portion of the box cover (140), and the handle (142) is fixed to both ends of the box cover (140).

4. The heat treatment device for valve production according to claim 1, wherein a reinforcing rib (150) is connected to an exterior of the second housing (120), and a door (160) is provided on an exterior of the second housing (120).

5. The heat treatment device for valve production according to claim 4, wherein a handle (162) is disposed on the box door (160), and a transparent window (164) is disposed on the box door (160).

6. The heat treatment device for valve production according to claim 1, wherein a temperature gauge (170) is disposed on one side above the second casing (120), and a pressure gauge (180) is disposed on the other side above the second casing (120).

7. The heat treatment device for valve production according to claim 1, wherein the connecting plate (210) is provided with a sliding groove (212), and two ends of the bottom plate (220) are slidably connected in the sliding groove (212).

8. The heat treatment apparatus for valve production according to claim 1, wherein a connection pipe (242) is connected between the vacuum pump (240) and the second housing (120), and an exhaust pipe (244) is connected to an output end of the vacuum pump (240).

9. The heat treatment device for valve production as claimed in claim 1, wherein the heating member (250) comprises a connecting rod (252) and a heating wire (254), the connecting rod (252) is connected below the tank cover (140), the heating wire (254) is fixedly connected with the connecting rod (252), and a fixing block (282) is connected below the motor (280).

10. The heat treatment device for valve production according to claim 1, wherein a water injection pipe (320) is connected to one side of the cooling tank (310), a water discharge pipe (330) is connected to a bottom end of the cooling tank (310), the water injection pipe (320) and the water discharge pipe (330) are communicated with the first housing (110), and a protective cover (342) is arranged outside the electric push rod (340).