CN212384777U

CN212384777U - Welding furnace

Info

Publication number: CN212384777U
Application number: CN202020507440.7U
Authority: CN
Inventors: 谷长超; 薛磊; 刘克刚; 林江峰
Original assignee: Sinopec Engineering Inc; Sinopec Engineering Group Co Ltd
Current assignee: Sinopec Engineering Inc; Sinopec Engineering Group Co Ltd
Priority date: 2020-04-08
Filing date: 2020-04-08
Publication date: 2021-01-22
Anticipated expiration: 2030-04-08

Abstract

The utility model relates to a welding furnace, welding furnace include the heating unit, and the heating unit includes the tube-shape main part, sets up a plurality of heating members in the tube-shape main part and sets up a plurality of temperature element in the tube-shape main part, and a plurality of heating members set up along the even interval of circumference of tube-shape main part, are provided with temperature element between two adjacent heating members, and the heating member is used for heating the welding member of placing in the tube-shape main part. In the above technical scheme, set up through the circumference evenly spaced with a plurality of heating members along the tube-shape main part, then can heat evenly placing the weldment in this tube-shape main part to each position of guaranteeing the weldment can be heated evenly, and then improve welded effect. In addition, the temperature measuring element is arranged between the two adjacent heating parts, so that the temperature of each part in the cylindrical main body can be monitored in real time, and the accurate temperature control in the cylindrical main body can be realized by adjusting the heating parts.

Description

Welding furnace

Technical Field

The disclosure relates to the technical field of welding equipment, in particular to a welding furnace.

Background

The brazing is a welding mode that when the heating temperature is between the melting point of brazing filler metal and the melting point of a weldment, the gap of the weldment is filled with liquid brazing filler metal to enable the weldment to be connected, and a vacuum brazing furnace is necessary equipment for brazing.

In order to prevent the occurrence of welding defects caused by oxidation and the like in the brazing process of the weldment, a vacuum brazing furnace is generally adopted for brazing in a vacuum environment. The vacuum brazing furnace can perform other heat treatments besides brazing.

The existing vacuum brazing furnace cannot uniformly heat a weldment placed in the vacuum brazing furnace, the heating effect is poor, the temperature control precision is poor, the brazing quality is low, the service life of a product is seriously influenced, and in addition, the vacuum brazing furnace is heavy in structure and inconvenient to move.

SUMMERY OF THE UTILITY MODEL

The purpose of this disclosure is to provide a welding furnace, this welding furnace can heat the weldment of placing wherein evenly, and can realize accurate accuse temperature.

In order to realize the above-mentioned purpose, this disclosure provides a welding furnace, welding furnace includes the heating unit, the heating unit includes the tube-shape main part, sets up a plurality of heating members in the tube-shape main part and setting up a plurality of temperature measurement element in the tube-shape main part, a plurality of heating members are followed the even interval in circumference of tube-shape main part sets up, adjacent two be provided with between the heating member temperature measurement element, the heating member is used for placing welding member in the tube-shape main part heats.

Optionally, the distance between any one of the temperature measuring elements and the two adjacent heating elements is equal.

Optionally, the welding furnace further includes a first control module connected to the plurality of temperature measuring elements, and the first control module is configured to control the heating element according to the obtained temperature value in the cylindrical main body detected by the plurality of temperature measuring elements.

Optionally, the number of the plurality of heating members is an even number greater than 2.

Optionally, the heating element is a heating plate extending in an axial direction parallel to the cylindrical body.

Optionally, the heating unit still includes closing cap and locking Assembly, the one end of tube-shape main part is formed with and is used for supplying the opening that the weldment passed, the closing cap articulates in opening department is used for the shutoff the opening, locking Assembly include the buckle and with buckle joint complex draw-in groove, tube-shape main part with one of the closing cap goes up to articulate there is the buckle, is formed with on the other the draw-in groove.

Optionally, the cylindrical main body is a sealing structure, the welding furnace further includes a vacuum unit, the vacuum unit includes a diffusion pump, a roots pump, a mechanical pump and a pressure adjusting device, an air inlet of the diffusion pump is communicated with the inside of the cylindrical main body, an air outlet of the diffusion pump is communicated with an air inlet of the roots pump, an air outlet of the roots pump is communicated with an air inlet of the mechanical pump, an air outlet of the mechanical pump is used for being communicated with the outside atmosphere, the pressure adjusting device is disposed on the cylindrical main body, and the pressure adjusting device is configured to selectively communicate the inside of the cylindrical main body with the outside atmosphere.

Optionally, the welding furnace further includes a pressure detection device and a second control module, the pressure detection device is configured to detect a pressure value inside the cylindrical main body, and the second control module is configured to control the vacuum pumping unit according to the obtained pressure value detected by the pressure detection device.

Optionally, the stove that welds still includes the centre gripping subassembly, the centre gripping subassembly is installed the inside of tube-shape main part, just the centre gripping subassembly includes support frame, first grip block, second grip block and fastener, the one end of support frame with the tube-shape main part is connected, the other end with first grip block is connected, first grip block is located the second grip block with between the support frame, first grip block passes through the fastener is connected the second grip block, first grip block and second grip block are used for the centre gripping the weldment.

Optionally, the welding furnace further comprises a saddle, the cylindrical body is supported on the saddle, and a plurality of rollers are arranged at the bottom of the saddle.

In the above technical scheme, set up through the circumference evenly spaced with a plurality of heating members along the tube-shape main part, then can heat evenly placing the weldment in this tube-shape main part to each position of guaranteeing the weldment can be heated evenly, and then improve welded effect. In addition, the temperature measuring element is arranged between the two adjacent heating parts, so that the temperature of each part in the cylindrical main body can be monitored in real time, and the accurate temperature control in the cylindrical main body can be realized by adjusting the heating parts.

Additional features and advantages of the disclosure will be set forth in the detailed description which follows.

Drawings

The accompanying drawings, which are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the description serve to explain the disclosure without limiting the disclosure. In the drawings:

FIG. 1 is a schematic structural view of a welding furnace according to an embodiment of the present disclosure;

fig. 2 is a schematic cross-sectional structure diagram of a welding furnace according to an embodiment of the present disclosure.

Description of the reference numerals

1 cylindrical body 2 heating element

3 temperature measuring element 4 sealing cover

5 locking assembly 51 buckle

52 clamping groove 6 diffusion pump

7 roots pump and 8 mechanical pump

9 pressure regulating device 10 pressure detection device

30 centre gripping subassembly 301 support frame

302 first clamping plate 303 second clamping plate

304 fastener 40 saddle

401 roller 50 insulation

Detailed Description

The following detailed description of specific embodiments of the present disclosure is provided in connection with the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present disclosure, are given by way of illustration and explanation only, not limitation.

In the present disclosure, unless otherwise specified, terms of orientation such as "inner and outer" are used to refer to the inner and outer of the specific structural outline, and terms such as "first and second" are used merely to distinguish one element from another, and are not sequential or important.

As shown in fig. 1 to 2, the present disclosure provides a welding furnace including a heating unit including a cylindrical main body 1, a plurality of heating members 2 disposed in the cylindrical main body 1, and a plurality of temperature measuring elements 3 disposed in the cylindrical main body 1, the plurality of heating members 2 being disposed at even intervals in a circumferential direction of the cylindrical main body 1, the temperature measuring elements 3 being disposed between two adjacent heating members 2, the heating members 2 being used to heat a welding member placed in the cylindrical main body 1.

In the above technical scheme, set up through the even interval of circumference with a plurality of heating members 2 along tube-shape main part 1, then can heat evenly placing the weldment in this tube-shape main part 1 to each position of guaranteeing the weldment can be heated evenly, and then improve welded effect. In addition, the temperature measuring element 3 is arranged between the two adjacent heating parts 2, so that the temperature of each part in the tubular main body 1 can be monitored in real time, and the accurate temperature control in the tubular main body 2 can be realized by adjusting the heating parts 2.

In one embodiment, as shown in fig. 2, the distance between any one of the temperature measuring elements 3 and the two adjacent heating members 2 is equal, and it can be known from the above that the plurality of heating members 2 are arranged at even intervals in the circumferential direction of the cylindrical main body 1, and if any one of the temperature measuring elements 3 is disposed at an intermediate position between the two heating members 2, in other words, the plurality of temperature measuring elements 3 are also arranged at even intervals in the circumferential direction of the cylindrical main body 1, so that the temperature of each part in the circumferential direction of the cylindrical main body 1 can be detected more accurately, and the positional arrangement is reasonable and the accuracy of temperature detection can be improved.

The present disclosure does not limit the arrangement position of the temperature measuring element 3, and in another embodiment, the temperature measuring element 3 may be directly provided on the heating member 2, and the temperature of each portion in the inner circumferential direction of the tubular body 1 may be detected.

Specifically, the welding furnace may further include a first control module connected to the plurality of temperature measuring elements 3, and the first control module is configured to control the heating member 2 according to the obtained temperature value in the cylindrical main body 1 detected by the plurality of temperature measuring elements 3. Therefore, the automation degree of temperature control is not required to be manually adjusted by people, and the control precision is high. Specifically, the following two control modes can be adopted for control:

first, for example, on the basis of the above-described scheme in which any one of the temperature measuring elements 3 is disposed between two adjacent heating members 2 and is equidistant from the two heating members 2, theoretically, when each heating member 2 releases an equal amount of heat, the temperature of each temperature measuring element 3 should show the same temperature value; when the temperature displayed by the temperature measuring element 3 is lower than the preset temperature and the temperature information is fed back to the first control module, the first control module can simultaneously control the heating elements 2 to increase the heating temperature, and further the required temperature requirement is met.

Secondly, for example, on the basis of the scheme that any one temperature measuring element 3 is arranged between two adjacent heating elements 2, one temperature measuring element 3 feeds back the detected temperature information to the first control module, and the first control module can adjust one or two heating elements 2 adjacent to the temperature measuring element 3, so that the temperature control purpose is achieved, and the control scheme can also achieve the purpose of accurate temperature control.

Third, based on above-mentioned temperature element 3 directly sets up on the basis of the 2 schemes of heating member, every temperature element 3 and heating member 2 one-to-one, and after every temperature element 3 feeds back temperature information to first control module, first control module can adjust the temperature of heating member 2 correspondingly to realize the purpose of accurate accuse temperature.

The first control module may be configured as a PLC controller or a single chip microcomputer, etc., and the disclosure does not limit the specific type of the first control module.

Alternatively, the number of the plurality of heating members 2 is an even number greater than 2, and firstly, symmetry exists among most of the welding members during the specific welding production, so that symmetrical heating can be better achieved by setting the number of the heating members 2 to the even number, and secondly, the number of the heating members 2 to be greater than 2 is to take into account that the sizes of general welding members are all large, and the heating members 2 are generally small in size and are set to the even number of 2 or more, so that the heating effect can be better achieved.

As shown in fig. 2, in one embodiment, the heating member 2 may be configured as a heating plate which may extend in the axial direction of the parallel cylindrical body 1, and the heating member configured as a heating plate may extend in the axial direction by a certain length to meet the heating requirement of a long-sized weldment. When the heating plate is installed, the heating plate can be detachably fixed on the inner wall of the cylindrical main body 1 by adopting a bolt connection mode and the like; the holder (not shown) may be provided in the tubular body 1, but the present disclosure is not limited thereto.

As shown in fig. 1, the heating unit may further include a cover 4 and a locking assembly 5, an opening for passing a welding part is formed at one end of the cylindrical body 1, the cover 4 is hinged at the opening for blocking the opening, the locking assembly 5 includes a buckle 51 and a clamping groove 52 in clamping fit with the buckle 51, one of the cylindrical body 1 and the cover 4 is hinged with the buckle 51, and the other is formed with the clamping groove 52. First, the cover 4 is provided to ensure that the weldment is heated in a closed space, so as to avoid interference from the external environment. In particular, when the welding device is used, a welding part is generally placed in the cylindrical body 1 through the opening of the sealing cover 4, and then the sealing cover 4 is closed to heat the welding part through the heating element 2 in the cylindrical body 1, so that the purpose of welding is achieved. The present disclosure is not limited to a particular type of locking assembly 5 and in other embodiments, the locking assembly 5 may be configured as a bolt and nut assembly or the like. In addition, the present disclosure also does not limit the connection relationship between the cover 4 and the cylindrical body 1, and besides the above-mentioned manner of hinge connection, the cylindrical body 1 may be provided with a slide rail (not shown) on which the cover 4 is slidably disposed to expose and close the opening.

In addition, as shown in fig. 1, the cylindrical body 1 may be a sealed structure, the welding furnace may further include a vacuum unit including a diffusion pump 6, a roots pump 7, a mechanical pump 8, and a pressure adjusting device 9, an air inlet of the diffusion pump 6 communicates with the inside of the cylindrical body 1, an air outlet of the diffusion pump 6 communicates with an air inlet of the roots pump 7, an air outlet of the roots pump 7 communicates with an air inlet of the mechanical pump 8, an air outlet of the mechanical pump 8 is for communicating with the outside atmosphere, the pressure adjusting device 9 is provided on the cylindrical body 1, and the pressure adjusting device 9 is configured to selectively communicate the inside of the cylindrical body 1 with the outside atmosphere. First, the vacuum-pumping of the tubular main body 1 can be achieved more favorably by providing the roots pump 7 in the vacuum-pumping unit, and the vacuum-pumping effect is more favorable. Next, the pressure adjusting device 9 is provided to open the cylindrical body 1 to the outside atmosphere through the pressure adjusting device 9 after the welding of the weldment is completed, to reduce the pressure difference, and thereby to open the lid 4 more easily. The pressure regulating device 9 may be configured as a pressure valve, but the present disclosure is not limited to a specific type thereof, and may be other desired pressure regulating devices.

As shown in fig. 1, on the basis that the welding furnace is provided with the scheme of the vacuum pumping unit, the welding furnace may further include a pressure detection device 10 and a second control module, the pressure detection device 10 is configured to detect a pressure value inside the tubular main body 1, and the second control module is configured to control the vacuum pumping unit according to the obtained pressure value detected by the pressure detection device 10. The degree of automation is high, need not the manual regulation of people. Alternatively, the pressure detection device 10 may be configured as a pressure vacuum gauge, and the second control module may be configured as a PLC controller or a single chip microcomputer, and the PLC controller or the single chip microcomputer controls the vacuum pumping unit to pump vacuum according to the pressure information fed back by the pressure vacuum gauge, but the disclosure does not limit the specific structural types of the pressure detection device 10 and the second control module. In addition, reference has been made in the foregoing to a first control module for controlling the heating element 2, which in one embodiment is the same control module as the second control module.

As shown in fig. 2, the welding furnace may further include a clamping assembly 30, the clamping assembly 30 is installed inside the cylindrical main body 1, and the clamping assembly 30 may include a supporting frame 301, a first clamping plate 302, a second clamping plate 303, and a fastener 304, one end of the supporting frame 301 is connected to the cylindrical main body 1, the other end of the supporting frame 301 is connected to the first clamping plate 302, the first clamping plate 302 is located between the second clamping plate 303 and the supporting frame 301, the first clamping plate 302 is connected to the second clamping plate 303 through the fastener 304, and the first clamping plate 302 and the second clamping plate 303 are used for clamping the welding piece. Thereby realize the fastening effect to the welding member, prevent the condition that rocks from appearing in the in-process of heating. In addition, in order to ensure that the weldment between the first holding plate 302 and the second holding plate 303 can be uniformly heated, the center position between the first holding plate 302 and the second holding plate 303 coincides with the center position of the cylindrical body 1. The clamping assembly 30 may be configured in any structure and shape, and it is sufficient that the purpose of clamping the welding member can be achieved, the disclosure is not limited thereto, and the fastening member 304 may be configured as a long bolt assembly, but the disclosure does not limit the specific type of the fastening member 304, and other fastening members meeting the connection requirement may be selected.

As shown in fig. 1 and 2, the welding furnace may further include a saddle 40, the cylindrical body 1 is supported on the saddle 40, and a plurality of rollers 401 are provided at the bottom of the saddle 40, by which the welding furnace may be conveniently moved to work at different work sites.

As shown in fig. 2, the welding furnace may further include a heat insulating member 50, and the heat insulating member 50 is wrapped on the outer wall of the cylindrical main body 1 along the circumferential direction thereof, so as to insulate the interior of the cylindrical main body 1, avoid heat dissipation of the interior heat, and improve the utilization rate of the heat. The heat insulating member 50 may be constructed of asbestos, rock wool, etc., and the present disclosure does not limit the specific type of the heat insulating member 50, and can satisfy a good heat insulating and preserving effect.

The preferred embodiments of the present disclosure are described in detail with reference to the accompanying drawings, however, the present disclosure is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solution of the present disclosure within the technical idea of the present disclosure, and these simple modifications all belong to the protection scope of the present disclosure.

It should be noted that, in the foregoing embodiments, various features described in the above embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various combinations that are possible in the present disclosure are not described again.

In addition, any combination of various embodiments of the present disclosure may be made, and the same should be considered as the disclosure of the present disclosure, as long as it does not depart from the spirit of the present disclosure.

Claims

1. A welding furnace, characterized in that the welding furnace comprises a heating unit, the heating unit comprises a cylindrical main body (1), a plurality of heating elements (2) arranged in the cylindrical main body (1), and a plurality of temperature measuring elements (3) arranged in the cylindrical main body (1),

the plurality of heating members (2) are arranged along the circumferential direction of the cylindrical main body (1) at intervals, two adjacent heating members (2) are arranged between the temperature measuring elements (3), and the heating members (2) are used for heating welded members arranged in the cylindrical main body (1).

2. A furnace as claimed in claim 1, wherein the distance between any one of said temperature measuring elements (3) and two of said heating elements (2) adjacent thereto is equal.

3. The welding furnace according to claim 2, further comprising a first control module connected to the plurality of temperature measuring elements (3), wherein the first control module is configured to control the heating member (2) according to the acquired temperature values in the cylindrical body (1) detected by the plurality of temperature measuring elements (3).

4. A furnace as claimed in claim 1, characterized in that said plurality of heating elements (2) is an even number greater than 2.

5. A furnace as claimed in claim 1, characterized in that said heating element (2) is a heating plate extending in parallel with the axial direction of said cylindrical body (1).

6. The welding furnace according to any of the claims 1 to 5, characterized in that the heating unit further comprises a cover (4) and a locking assembly (5),

an opening for the weldment to pass through is formed at one end of the cylindrical main body (1), the sealing cover (4) is hinged at the opening for sealing the opening,

locking Assembly (5) including buckle (51) and with buckle (51) joint complex draw-in groove (52), tube-shape main part (1) with it has to articulate on one in closing cap (4) buckle (51), be formed with on the other draw-in groove (52).

7. The furnace according to any of the claims 1 to 5, characterized in that the cylindrical body (1) is a sealed structure, the furnace further comprising an evacuation unit comprising a diffusion pump (6), a roots pump (7), a mechanical pump (8) and a pressure regulating device (9),

the air inlet of the diffusion pump (6) is communicated with the interior of the cylindrical main body (1), the exhaust port of the diffusion pump (6) is communicated with the air inlet of the roots pump (7), the air outlet of the roots pump (7) is communicated with the air inlet of the mechanical pump (8), the air outlet of the mechanical pump (8) is communicated with the outside atmosphere,

the pressure adjusting device (9) is provided on the cylindrical body (1), and the pressure adjusting device (9) is configured to be able to selectively communicate the interior of the cylindrical body (1) with the outside atmosphere.

8. The welding furnace according to claim 7, further comprising a pressure detection device (10) and a second control module, wherein the pressure detection device (10) is used for detecting a pressure value inside the cylindrical main body (1), and the second control module is used for controlling the vacuumizing unit according to the obtained pressure value detected by the pressure detection device (10).

9. The welding furnace according to any of the claims 1 to 5, further comprising a clamping assembly (30), wherein the clamping assembly (30) is mounted inside the cylindrical body (1), and wherein the clamping assembly (30) comprises a support frame (301), a first clamping plate (302), a second clamping plate (303) and a fastener (304),

one end of the support frame (301) is connected with the cylindrical main body (1), the other end of the support frame is connected with the first clamping plate (302), the first clamping plate (302) is located between the second clamping plate (303) and the support frame (301), the first clamping plate (302) is connected with the second clamping plate (303) through the fastener (304), and the first clamping plate (302) and the second clamping plate (303) are used for clamping the weldment.

10. The welding furnace according to any of the claims 1-5, characterized in that the welding furnace further comprises a saddle (40), the cylindrical body (1) being supported on the saddle (40), and the bottom of the saddle (40) being provided with a plurality of rollers (401).