CN220112506U - CVD welding furnace - Google Patents
CVD welding furnace Download PDFInfo
- Publication number
- CN220112506U CN220112506U CN202320871250.7U CN202320871250U CN220112506U CN 220112506 U CN220112506 U CN 220112506U CN 202320871250 U CN202320871250 U CN 202320871250U CN 220112506 U CN220112506 U CN 220112506U
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- welding
- furnace body
- welding furnace
- lifting plate
- cvd
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- 238000003466 welding Methods 0.000 title claims abstract description 103
- 238000003756 stirring Methods 0.000 claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 4
- 238000005229 chemical vapour deposition Methods 0.000 abstract 2
- 229910003460 diamond Inorganic materials 0.000 description 7
- 239000010432 diamond Substances 0.000 description 7
- 229910045601 alloy Inorganic materials 0.000 description 5
- 239000000956 alloy Substances 0.000 description 5
- 238000001816 cooling Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 229910000679 solder Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Landscapes
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The utility model discloses a CVD (chemical vapor deposition) welding furnace which comprises a welding furnace body, wherein the inner side walls at the two ends of the welding furnace body are fixedly connected with baffle plates, an annular welding infrared heater positioned above the baffle plates is fixedly connected in the welding furnace body, a lifting plate is connected in the welding furnace body through a first driving component, the upper end of the lifting plate is rotatably connected with a plurality of brackets positioned in the annular welding infrared heater, and a second driving component for driving the brackets to rotate is arranged on the lifting plate. The utility model has reasonable structural design, the lifting plate can stably lift, the lifting plate can rotate, the mould close to the inside of the welding furnace body is convenient to take and place, in the welding process, the stirring rod rotates to stir hot air in the welding furnace body, the mould is uniformly heated, and meanwhile, the brackets can slowly rotate, so that the mould can rotate to be uniformly heated close to the annular welding infrared heater, and the welding quality is ensured.
Description
Technical Field
The utility model relates to the technical field of CVD processing, in particular to a CVD welding furnace.
Background
CVD diamond does not contain any metal catalyst and therefore its thermal stability is close to natural diamond. CVD diamond is now used as one of the quality tool materials. At present, a vacuum welding furnace is adopted for welding a CVD diamond film and a superhard alloy, and the common process is that the superhard alloy and the CVD diamond are stacked and placed in a die, the contact surface of the superhard alloy is coated with solder, then the die is placed in the vacuum welding furnace for heating, the solder is melted, the two are welded together, and then the welded finished product is obtained after cooling.
The application number is as follows: CN202021508441.X, application name: the application file of a CVD welding furnace comprises a vacuum welding furnace body, wherein the vacuum welding furnace body comprises an installation box body and a furnace body arranged on the upper portion of the installation box body, an inert gas ventilation valve is arranged at the top of the furnace body, and a vacuumizing device is connected to the bottom of the furnace body.
Disclosure of Invention
The utility model aims to solve the problems in the prior art, and provides a CVD welding furnace, wherein a lifting plate can stably lift and rotate, so that a die close to the inside of a welding furnace body can be conveniently taken and placed, in the welding process, a stirring rod rotates to stir hot air in the welding furnace body, uniform heating of the die is facilitated, a plurality of brackets can slowly rotate, and then the die can be rotated to be close to an annular welding infrared heater to be uniformly heated, so that welding quality is ensured.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the utility model provides a CVD welding furnace, includes the welding furnace body, the equal fixedly connected with baffle of both ends inside wall of welding furnace body, this internal fixedly connected with of welding furnace is located the annular welding infrared heater of baffle top, this internal lifter plate that is connected with of welding furnace through first drive assembly, the upper end rotation of lifter plate is connected with a plurality of brackets that are located annular welding infrared heater, install a plurality of bracket pivoted second drive assembly of drive on the lifter plate, the sealed intake pipe that runs through of one end lateral wall of welding furnace body, the sealed vacuum apparatus that runs through of the other end lateral wall of welding furnace body is installed.
Preferably, the drive assembly includes two direction spouts of seting up respectively on welding furnace body both ends inside wall, two equal sliding connection has the direction slider in the direction spout, two the direction slider all is connected with the lifter plate, it is connected with the threaded rod to rotate jointly between the upper and lower both ends inside wall of direction spout, the threaded rod runs through rather than the direction slider that is relative and rather than threaded connection, servo motor is installed to the interior bottom of welding furnace body, all around being equipped with the drive belt between servo motor's output shaft and the two threaded rods.
Preferably, the side wall of the lifting plate is provided with an annular sliding opening, and the two guide sliding blocks extend into the annular sliding opening and are in sliding connection with the annular sliding opening.
Preferably, the bracket comprises a rotating column rotatably connected to the upper end of the lifting plate, a plurality of supporting plates coaxially rotating with the rotating column are sleeved on the side wall of the rotating column, and a first gear coaxially rotating with the rotating column is sleeved on the side wall of the rotating column.
Preferably, the second driving assembly comprises a stirring rod which is connected to the lifting plate in a penetrating and rotating mode, a plurality of stirring blades are fixedly connected to the side wall of the stirring rod, the stirring rod is driven by a driving motor arranged at the bottom of the lifting plate, a second gear which is coaxial with the stirring rod and rotates is sleeved on the side wall of the stirring rod, and the second gear is meshed with the first gear.
Preferably, the upper end of the welding furnace body is connected with a water pipe through a supporting plate, an air outlet pipe is installed at the upper end of the welding furnace body in a sealing and penetrating mode, and the air outlet pipe is wound on the water pipe.
Compared with the prior art, the utility model has the beneficial effects that:
1. in this CVD welding furnace, servo motor drives two threaded rods synchronous rotation, and then can make two direction sliders drive the lifter plate and stably go up and down, and the lifter plate can rotate for two direction sliders, is convenient for get the mould that is close to the welding furnace body inside and puts, easy operation, guarantee work efficiency.
2. In this CVD welding furnace, driving motor drives the puddler and rotates and stir the steam in the welding furnace body, is favorable to the mould evenly to be heated, and under the meshing effect of first gear and second gear, a plurality of brackets can slowly rotate, and then can make the mould rotate and be close to annular welding infrared heater evenly to be heated, guarantee welding quality.
Drawings
FIG. 1 is a schematic cross-sectional view of a CVD welding furnace according to the present utility model;
FIG. 2 is an enlarged view of the structure of FIG. 1 at A;
FIG. 3 is a schematic diagram of a cross-sectional structure of a connecting part of a stirring rod and a supporting plate;
fig. 4 is a schematic view showing an external structure of a CVD welding furnace according to the present utility model.
In the figure: 1. a welding furnace body; 2. a baffle; 3. a lifting plate; 4. an infrared heater is welded in an annular mode; 5. a stirring rod; 6. a driving motor; 7. a second gear; 8. rotating the column; 9. a supporting plate; 10. a first gear; 11. an annular sliding port; 12. a guide chute; 13. a guide slide block; 14. a threaded rod; 15. a servo motor; 16. a transmission belt; 17. a support plate; 18. a water pipe; 19. and an air outlet pipe.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Referring to fig. 1-4, a CVD welding furnace comprises a welding furnace body 1, wherein an observation window opposite to the upper part of a baffle plate 2 and a sealing door opposite to the lower part of the baffle plate 2 are installed on the welding furnace body 1, the inner side walls of the two ends of the welding furnace body 1 are fixedly connected with the baffle plate 2, the bottom of the baffle plate 2 is provided with a rubber anti-slip pad, when a lifting plate 3 is propped against the bottom of the baffle plate 2, the friction force between the lifting plate 3 and the baffle plate 2 can be increased, the lifting plate 3 can not rotate in a natural state, an annular welding infrared heater 4 positioned above the baffle plate 2 is fixedly connected in the welding furnace body 1, and the heating range of the annular welding infrared heater 4 covers the height of a bracket;
the welding furnace body 1 is internally connected with the lifting plate 3 through a first driving component, the driving component comprises two guide sliding grooves 12 which are respectively arranged on the inner side walls at two ends of the welding furnace body 1, the two guide sliding grooves 12 are internally and slidably connected with guide sliding blocks 13, the two guide sliding blocks 13 are connected with the lifting plate 3, the side wall of the lifting plate 3 is provided with an annular sliding opening 11, the two guide sliding blocks 13 are respectively extended into the annular sliding opening 11 and are slidably connected with the annular sliding opening 11, the inside of the welding furnace body 1 is a cylindrical cavity, the lifting plate 3 is propped against the inner side wall of the welding furnace body 1, the guide sliding blocks 13 are matched with the annular sliding opening 11, the lifting plate 3 can play a supporting role, the lifting plate 3 can horizontally rotate in the welding furnace body 1, threaded rods 14 are connected between the inner side walls at the upper end and the lower end of the guide sliding grooves 12 in a common rotating way, the threaded rods 14 penetrate through the guide sliding blocks 13 opposite to the guide sliding grooves and are in threaded connection with the guide sliding blocks, a servo motor 15 is arranged at the inner bottom of the welding furnace body 1, a transmission belt 16 is arranged between an output shaft of the servo motor 15 and the two threaded rods 14 in a winding way, and under the connection effect of the transmission belt 16, the servo motor 15 can drive the two threaded rods 14 to rotate under the action of the driving the guide sliding blocks 13 and can move under the action of the guide sliding blocks 12 synchronously;
the upper end of the lifting plate 3 is rotatably connected with a plurality of brackets positioned in the annular welding infrared heater 4, the brackets comprise a rotating column 8 rotatably connected to the upper end of the lifting plate 3, a plurality of supporting plates 9 coaxially rotating with the rotating column 8 are sleeved on the side wall of the rotating column 8, anti-skid patterns are arranged at the upper end of the supporting plates 9, friction force between the anti-skid patterns and a die can be increased, and a first gear 10 coaxially rotating with the rotating column 8 is sleeved on the side wall of the rotating column 8;
install a plurality of bracket pivoted second drive assembly on the lifter plate 3, the second drive assembly is including running through the puddler 5 of rotating connection on the lifter plate 3, a plurality of stirring leaf of lateral wall fixedly connected with of puddler 5, can stir the steam in the welding furnace body 1, be favorable to the mould fully to be heated, puddler 5 is driven by the driving motor 6 of installing in the lifter plate 3 bottom, the lateral wall cover of puddler 5 is equipped with rather than coaxial pivoted second gear 7, second gear 7 meshes with first gear 10, the diameter of first gear 10 is greater than the diameter of second gear 7, the bracket can slowly rotate when making puddler 5 rotate, the one end lateral wall seal of welding furnace body 1 runs through and installs the intake pipe, the other end lateral wall seal of welding furnace body 1 runs through and installs evacuating equipment, evacuating equipment is the vacuum pump, the upper end of welding furnace body 1 is connected with water pipe 18 through backup pad 17, the upper end seal of welding furnace body 1 runs through and installs outlet duct 19, outlet duct 19 winds on water pipe 18, outlet duct 19 is the pipe, can carry out the heat conduction to the water in the water pipe 18.
The utility model can explain its functional principle by the following modes of operation:
in the utility model, when welding work is needed, the servo motor 15 is started to drive the two threaded rods 14 to rotate so as to enable the lifting plate 3 to descend, the sealing door is opened, super hard alloy and CVD diamond are overlapped, welding flux is coated on the contact surface and used as a die, the die is placed on the supporting plate 9, in the placing process, the lifting plate 3 can be rotated so as to be placed on the supporting plate 9 close to the inside of the welding furnace body 1, after the placement is finished, the servo motor 15 is reversely rotated so as to enable the lifting plate 3 to ascend and abut against the bottom of the baffle plate 2, the lifting plate 3 can not rotate, the inside of the welding furnace body 1 is vacuumized, the annular welding infrared heater 4 is started to heat the die, the driving motor 6 is started to drive the stirring rod 5 to rotate, hot air in the welding furnace body 1 is stirred, the die is uniformly heated, under the meshing effect of the first gear 10 and the second gear 7, the rotating column 8 drives the die to be heated uniformly, the welding flux is used for connecting the CVD diamond and the super hard alloy, the welding work is finished, hot air in the welding furnace body 1 is discharged by opening the hot air pipe 19, the hot air in the welding furnace body 1 is heated by the hot air pipe 18, the hot air in the welding furnace body is cooled by the hot air pipe 18, and the hot air in the welding furnace body is cooled by the cooling operation after the welding furnace body is gradually cooled, and the welding furnace body is cooled by the cooling the welding furnace body 1 after the welding body is cooled by opening and the welding furnace body is cooled by the cooling when the welding furnace is cooled.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (6)
1. The utility model provides a CVD welding furnace, includes welding furnace body (1), its characterized in that, the equal fixedly connected with baffle (2) of both ends inside wall of welding furnace body (1), fixedly connected with is located annular welding infrared heater (4) of baffle (2) top in welding furnace body (1), be connected with lifter plate (3) through first drive assembly in welding furnace body (1), the upper end rotation of lifter plate (3) is connected with a plurality of brackets that are located annular welding infrared heater (4), install a plurality of bracket pivoted second drive assembly of drive on lifter plate (3), the sealed intake pipe that runs through of one end lateral wall of welding furnace body (1), the other end lateral wall of welding furnace body (1) is sealed to be run through and is installed vacuum apparatus.
2. The CVD welding furnace according to claim 1, wherein the driving assembly comprises two guiding sliding grooves (12) respectively formed in inner side walls at two ends of the welding furnace body (1), the two guiding sliding grooves (12) are internally and slidably connected with guiding sliding blocks (13), the two guiding sliding blocks (13) are connected with the lifting plate (3), threaded rods (14) are connected between inner side walls at the upper end and the lower end of the guiding sliding grooves (12) in a rotating mode, the threaded rods (14) penetrate through the guiding sliding blocks (13) opposite to the threaded rods and are in threaded connection with the threaded rods, a servo motor (15) is mounted at the inner bottom of the welding furnace body (1), and a driving belt (16) is wound between an output shaft of the servo motor (15) and the two threaded rods (14).
3. A CVD-welding furnace according to claim 2, wherein the side walls of the lifting plate (3) are provided with annular slide openings (11), and wherein both guiding slides (13) extend into and are in sliding connection with the annular slide openings (11).
4. A CVD furnace according to claim 1, wherein the bracket comprises a rotating column (8) rotatably connected to the upper end of the lifting plate (3), a plurality of supporting plates (9) rotatably mounted coaxially with the rotating column (8) are provided on the side wall of the rotating column (8), and a first gear (10) rotatably mounted coaxially with the rotating column is provided on the side wall of the rotating column (8).
5. The CVD welding furnace according to claim 4, wherein the second driving assembly comprises a stirring rod (5) rotatably connected to the lifting plate (3), a plurality of stirring blades are fixedly connected to the side wall of the stirring rod (5), the stirring rod (5) is driven by a driving motor (6) installed at the bottom of the lifting plate (3), a second gear (7) coaxially rotating with the stirring rod is sleeved on the side wall of the stirring rod (5), and the second gear (7) is meshed with the first gear (10).
6. A CVD welding furnace according to claim 1, wherein the upper end of the welding furnace body (1) is connected with a water pipe (18) through a supporting plate (17), the upper end of the welding furnace body (1) is provided with an air outlet pipe (19) in a sealing penetrating way, and the air outlet pipe (19) is wound on the water pipe (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320871250.7U CN220112506U (en) | 2023-04-18 | 2023-04-18 | CVD welding furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320871250.7U CN220112506U (en) | 2023-04-18 | 2023-04-18 | CVD welding furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220112506U true CN220112506U (en) | 2023-12-01 |
Family
ID=88893961
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320871250.7U Active CN220112506U (en) | 2023-04-18 | 2023-04-18 | CVD welding furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220112506U (en) |
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2023
- 2023-04-18 CN CN202320871250.7U patent/CN220112506U/en active Active
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