Vacuum welding furnace

Abstract

The utility model relates to the technical field of welding furnaces, and provides a vacuum welding furnace which comprises an upper cavity, a lower cavity, at least one cooling pipe, at least one lower heating pipe, a heating carrying table and a lifting mechanism. The upper cavity is arranged above the lower cavity, the upper cavity and the lower cavity form a vacuum cavity, the lower heating pipe and the cooling pipe are arranged in the lower cavity, the cooling pipe is embedded below the heating carrying table, the lifting mechanism is arranged below the lower cavity, and the lifting mechanism is arranged below the lower cavity. A lifting column of the lifting mechanism penetrates through the heating carrying table. Feeding and discharging are convenient, labor intensity is reduced, and feeding and discharging efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to welding furnace technical field especially relates to a vacuum welding furnace. BACKGROUND

[0002] The prior art vacuum welding equipment is a kind of professional, for the equipment used for workpiece welding, its structure mainly includes: controller, sealable cavity, vacuumizing device, heating device, heating stage and cooling device etc.Heating stage is located in sealable cavity, and heating stage is used to place workpiece.Heating device and cooling device correspond to the below of heating stage respectively, and are connected with controller respectively, under the regulation of controller, complete the heating stage temperature rising or temperature dropping process.Vacuumizing device is arranged on the outside of sealable cavity, and vacuumizing device carries out vacuumizing treatment in sealable cavity, to ensure that welding process is carried out in oxygen-free state, ensure welding quality, reduce the internal porosity of welding simultaneously, improve the reliability of welding piece.

[0003] The prior art is inconvenient to feed and discharge, high labor intensity, and low feeding and discharging efficiency. SUMMARY

[0004] The utility model provides a vacuum welding furnace to solve the prior art in inconvenient feeding and discharging, high labor intensity, and low feeding and discharging efficiency problem.

[0005] A kind of vacuum welding furnace, including upper cavity, lower cavity, at least one cooling pipe, at least one lower heating pipe, heating stage and lifting mechanism;The upper cavity is set in the above of the lower cavity, the upper cavity and the lower cavity form vacuum cavity, the lower heating pipe and the cooling pipe are arranged in the lower cavity, the cooling pipe is embedded and arranged in the below of the heating stage, the lifting mechanism is set in the below of the lower cavity, the lifting column of the lifting mechanism is worn the heating stage.

[0006] According to the vacuum welding furnace of the utility model, the lifting mechanism further includes drive mechanism, at least one bellows and lifting slide plate;The bellows are arranged on the lifting slide plate, the lifting column is arranged in the bellows, and the drive mechanism drives the lifting slide plate to move up and down.

[0007] According to the vacuum welding furnace of the utility model, further include at least one sliding block, at least one fixed plate and at least one slide rail, the sliding block is arranged on the slide rail, the slide rail is arranged on the fixed plate, the fixed plate is arranged on the vertical plate of the drive mechanism, and the lifting slide plate is arranged on the sliding block.

[0008] The vacuum welding furnace according to the utility model, the upper cavity still includes upper cavity frame, ceramic plate, baffle, rotating mechanism, observation window and at least one upper heating pipe, the observation window is arranged in the middle of the upper cavity frame, the upper heating pipe is arranged in the inside of the upper cavity frame, the ceramic plate is arranged below the upper heating pipe, the baffle is arranged around the ceramic plate, the rotating mechanism is arranged below the observation window.

[0009] The vacuum welding furnace according to the utility model, the cooling pipe is arranged above the lower heating pipe.

[0010] The vacuum welding furnace according to the utility model, the lower cavity includes lower cavity frame, nitrogen pipe and protection plate, the heating support is arranged in the inside of the lower cavity frame, the protection plate is arranged on the both sides of the heating support, and the nitrogen pipe is arranged above the both sides of the heating support.

[0011] The vacuum welding furnace according to the utility model further includes a molecular pump and a high-sealing plug-in valve, the high-sealing plug-in valve is arranged below the lower cavity, and the molecular pump is arranged below the high-sealing plug-in valve.

[0012] The vacuum welding furnace according to the utility model, the water cooling pipe is arranged in the inside of the bottom of the lower cavity frame.

[0013] The vacuum welding furnace according to the utility model further includes a temperature sensor support, and the temperature sensor support is arranged above the heating support.

[0014] The vacuum welding furnace according to the utility model, the vacuum interface is arranged at the bottom of the lower cavity.

[0015] The lifting mechanism of the vacuum furnace is convenient for feeding and discharging, reduces labor intensity, improves feeding and discharging efficiency, ensures that workpieces and heating plates are fully contacted, makes heat transfer more uniform, is favorable for improving welding quality and ensuring consistency of welding effect, and improves cooling efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the embodiment or the prior art description will be briefly introduced as follows. Obviously, the drawings in the following description are some embodiments of the utility model, and other drawings can be obtained by those skilled in the art without creative labor on the basis of these drawings.

[0017] Figure 1 It is a schematic view of the structure of the vacuum welding furnace;

[0018] Figure 2 It is a schematic view of the structure of the vacuum welding furnace;

[0019] Figure 3 is a schematic view of a perspective structure of a lower cavity;

[0020] Figure 4 is a schematic view of a perspective structure of a descending mechanism;

[0021] Figure 5 is a schematic view of a perspective structure of an upper cavity Figure 1 ;

[0022] Figure 6 is a schematic view of a perspective structure of an upper cavity Figure 2 ;

[0023] Fig. 1 is an upper cavity; Fig. 2 is a lower cavity; Fig. 11 is an upper cavity frame; Fig. 12 is an upper heating tube; Fig. 13 is an observation window; Fig. 14 is a rotating mechanism; Fig. 15 is a ceramic plate; Fig. 16 is a shielding plate; Fig. 21 is a lower cavity frame; Fig. 22 is a nitrogen tube; Fig. 23 is a heating stage; Fig. 24 is a lifting mechanism; Fig. 25 is a lower heating tube; Fig. 26 is a cooling tube support column; Fig. 27 is a temperature sensor support; Fig. 141 is a driving mechanism; Fig. 142 is a lifting slide plate; Fig. 143 is a bellows; Fig. 144 is a lifting column; Fig. 145 is a sliding block; Fig. 146 is a sliding rail; and Fig. 147 is a fixed plate. DETAILED DESCRIPTION

[0024] The embodiments of the present application will be further described below in conjunction with the drawings and examples. The following examples are used to illustrate the present application, but cannot be used to limit the scope of the present application.

[0025] In the description of the embodiments of the present application, it should be noted that the orientations or positional relationships indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the embodiments of the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the embodiments of the present application. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0026] In the description of the embodiments of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "connected", "connected" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium. For those skilled in the art, the specific meanings of the above terms in the embodiments of the present application can be understood according to the specific circumstances.

[0027] In the embodiments of the present application, unless otherwise explicitly specified and limited, the first feature is "on" or "under" the second feature, which can be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature can be "above", "over" and "on" the second feature, which can be that the first feature is directly above or obliquely above the second feature, or only means that the horizontal height of the first feature is higher than that of the second feature. The first feature can be "under", "below" and "underneath" the second feature, which can be that the first feature is directly below or obliquely below the second feature, or only means that the horizontal height of the first feature is less than that of the second feature.

[0028] In the description of the present application, the description of the terms "one embodiment", "some embodiments", "an example", "a specific example" or "some examples" means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present application, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or at least one embodiment or example in a suitable manner. In addition, the skilled in the art can combine and combine the different embodiments or examples described in the present application and the features of the different embodiments or examples without contradiction.

[0029] The following will be described in detail Figures 1-6 A vacuum welding furnace is described in the embodiments of the present application, comprising an upper cavity 1, a lower cavity 2, at least one cooling pipe, at least one lower heating pipe 25, a heating platform 23 and a lifting mechanism 24; the upper cavity 1 is arranged above the lower cavity 2, the upper cavity 1 and the lower cavity 2 form a vacuum cavity, the lower heating pipe 25 and the cooling pipe are arranged inside the lower cavity 2, the cooling pipe is embedded below the heating platform 23, the lifting mechanism 24 is arranged below the lower cavity 2, and the lifting column 144 of the lifting mechanism 24 passes through the heating platform 23. The cooling pipe is supported by the cooling pipe support column 26.

[0030] In some embodiments, the lifting mechanism 24 further comprises a driving mechanism 141, at least one bellows 143 and a lifting slide plate 142; the bellows 143 is arranged on the lifting slide plate 142, the lifting column 144 is arranged inside the bellows 143, and the driving mechanism 141 drives the lifting slide plate 142 to move up and down.

[0031] In some embodiments, at least one sliding block 145, at least one fixed plate 147 and at least one sliding rail 146 are further included, the sliding block 145 is arranged on the sliding rail 146, the sliding rail 146 is arranged on the fixed plate 147, the fixed plate 147 is arranged on the vertical plate of the driving mechanism 141, and the lifting slide plate 142 is arranged on the sliding block 145.

[0032] In some embodiments, the upper cavity 1 further comprises an upper cavity frame 11, a ceramic plate 15, a shielding plate 16, a rotating mechanism 14, an observation window 13 and at least one upper heating tube 12; the observation window 13 is arranged in the middle of the upper cavity frame 11, the upper heating tube 12 is arranged inside the upper cavity frame 11, the ceramic plate 15 is arranged below the upper heating tube 12, the shielding plate 16 is arranged around the ceramic plate 15, and the observation window shielding plate of the rotating mechanism 14 is arranged below the observation window 13. The rotating mechanism 14 opens the observation window shielding plate when observation or temperature measurement is required. The ceramic plate 15 is preferably an alumina ceramic plate 15. The alumina ceramic plate 15 has high compressive strength and bending strength, can withstand large external force and pressure, is not easy to break or deform, and maintains stable physical and chemical properties in a high-temperature environment. The alumina ceramic plate 15 protects the upper heating tube 12. The alumina ceramic plate 15 has certain penetration and radiation ability to infrared rays, can make the heat of the heating tube more uniformly transmitted to the workpiece in the form of infrared radiation, make the workpiece heat more uniformly, reduce welding deformation, and improve welding quality.

[0033] In some embodiments, the cooling tube is arranged above the lower heating tube 25.

[0034] In some embodiments, the lower cavity 2 comprises a lower cavity frame 21, a nitrogen tube 22 and a protection plate; the heating stage 23 is arranged inside the lower cavity frame 21, the protection plate is arranged on both sides of the heating stage 23, and the nitrogen tube 22 is arranged above and on both sides of the heating stage 23.

[0035] In some embodiments, a molecular pump and a high-sealing plug-in valve are further included, the high-sealing plug-in valve is arranged below the lower cavity 2, and the molecular pump is arranged below the high-sealing plug-in valve.

[0036] In some embodiments, the water cooling pipe is arranged inside the bottom of the lower cavity frame 21.

[0037] In some embodiments, a temperature measurement sensor support 27 is further included, and the temperature measurement sensor support 27 is arranged above the heating stage 23.

[0038] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that they can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to some technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A vacuum welding furnace, characterized in that, It includes an upper cavity, a lower cavity, at least one cooling pipe, at least one lower heating pipe, a heating platform, and a lifting mechanism; the upper cavity is located above the lower cavity, the upper cavity and the lower cavity form a vacuum cavity, the lower heating pipe and the cooling pipe are located inside the lower cavity, the cooling pipe is embedded below the heating platform, the lifting mechanism is located below the lower cavity, and the lifting column of the lifting mechanism passes through the heating platform.

2. The vacuum welding furnace according to claim 1, characterized in that, The lifting mechanism further includes a drive mechanism, at least one corrugated pipe, and a lifting slide plate; the corrugated pipe is disposed on the lifting slide plate, the lifting column is disposed inside the corrugated pipe, and the drive mechanism drives the lifting slide plate to move up and down.

3. The vacuum welding furnace according to claim 2, characterized in that, It also includes at least one slider, at least one fixed plate and at least one slide rail, the slider is disposed on the slide rail, the slide rail is disposed on the fixed plate, the fixed plate is disposed on the upright plate of the drive mechanism, and the lifting slide plate is disposed on the slider.

4. The vacuum welding furnace according to claim 1, characterized in that, The upper cavity also includes an upper cavity frame, a ceramic plate, a baffle plate, a rotating mechanism, an observation window, and at least one upper heating tube; the observation window is located in the middle of the upper cavity frame, the upper heating tube is located inside the upper cavity frame, the ceramic plate is located below the upper heating tube, the baffle plate is located around the ceramic plate, and the observation window baffle plate of the rotating mechanism is located below the observation window.

5. The vacuum welding furnace according to claim 1, characterized in that, The cooling pipe is positioned above the lower heating pipe.

6. The vacuum welding furnace according to claim 1, characterized in that, The lower cavity includes a lower cavity frame, nitrogen pipes, and protective plates; the heating platform is disposed inside the lower cavity frame, the protective plates are disposed on both sides of the heating platform, and the nitrogen pipes are disposed on both sides above the heating platform.

7. The vacuum welding furnace according to claim 6, characterized in that, It also includes a molecular pump and a high-seal gate valve, with the high-seal gate valve located below the lower cavity and the molecular pump located below the high-seal gate valve.

8. The vacuum welding furnace according to claim 6, characterized in that, Water-cooling pipes are installed inside the bottom of the lower cavity frame.

9. The vacuum welding furnace according to claim 1, characterized in that, It also includes a temperature sensor bracket, which is disposed above the heating platform.

10. The vacuum welding furnace according to claim 7, characterized in that, A vacuum port is provided at the bottom of the lower cavity.

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