CN211661282U

CN211661282U - Heating device of vacuum welding furnace

Info

Publication number: CN211661282U
Application number: CN202020249083.9U
Authority: CN
Inventors: 刘照和
Original assignee: Kunshan Jiayuan Haoze Optoelectronics Technology Co ltd
Current assignee: Jiahao Advanced Semiconductor Suzhou Co ltd
Priority date: 2020-03-04
Filing date: 2020-03-04
Publication date: 2020-10-13
Anticipated expiration: 2030-03-04

Abstract

The utility model relates to a vacuum welding stove technical field especially relates to a heating device of vacuum welding stove, including base case, mounting panel, heater, mounting panel, blade, driving motor, transmission shaft, fixed plate, support column and welding stove, logical groove has all been seted up to the both sides of base case, the air channel has been seted up on the base case, and the air channel is located the bottom that leads to the inslot wall, two the bottom of mounting panel respectively with lead to the front and back fixed connection of inslot wall bottom, the heater is located the mounting panel, fixed connection between heater and the mounting panel, the mounting groove has been seted up to the intermediate position at base roof portion. The utility model discloses reached and carried out the purpose of rapid heating up to the inside of vacuum welding stove, thermal homogeneity of improvement that can be better increases technology effective area, compares with the heating method of radiation moreover, has improved rate of heating greatly, makes the inside of welding stove can be quick intensification, has reduced the consumption of energy.

Description

Heating device of vacuum welding furnace

Technical Field

The utility model relates to a vacuum welding stove technical field especially relates to a heating device of vacuum welding stove.

Background

The vacuum welding furnace is also called as a vacuum reflow furnace, namely, the product is welded with high quality in a vacuum environment, a reducing system (N2, formic acid, N2H2 and H2) is introduced in the process of temperature rising or temperature lowering to protect the product and the solder from being oxidized, and meanwhile, the product and the oxide on the surface of the solder are reacted, so that the quality of the welding surface is improved, and the voidage of welding is reduced.

In the use of vacuum welding stove, when general vacuum welding stove is heating, the work piece passes through jar body indirect heating, and its heating efficiency is slow, and when jar internal portion heats, the gas tightness of vacuum pump can hardly receive the influence, leads to the heat loss too big to because its zone of heating sets up on the upper cover, the zone of heating adopts the radiation to heat the tablet, and heat transfer efficiency is lower, thereby has further increased the heat time of tablet, makes its welding efficiency lower.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a heating device of vacuum welding stove has reached the purpose of carrying out rapid heating up heating to the inside of vacuum welding stove, thermal homogeneity of improvement that can be better, increase technology effective area compares with the heating method of radiation moreover, has improved rate of heating greatly, makes the inside of welding stove can be quick intensification, has reduced the consumption of energy.

(II) technical scheme

In order to realize the technical problem, the utility model provides a following technical scheme: a heating device of a vacuum welding furnace comprises a base box, a support plate, a heater, a mounting plate, blades, a driving motor, a transmission shaft, a fixing plate, a support column and the welding furnace, the two sides of the base box are respectively provided with a through groove, the base box is provided with an air vent groove which is positioned at the bottom of the inner wall of the through groove, the bottoms of the two support plates are respectively fixedly connected with the front and the back of the bottom of the inner wall of the through groove, the heater is positioned on the support plate, the heater is fixedly connected with the support plate, the middle position of the top of the base box is provided with an installation groove, the mounting groove is communicated with the through groove, the mounting plate is positioned in the mounting groove and fixedly connected with the blade, the driving motor is located above the top of the base box, the output end of the driving motor is fixedly connected with one end of the transmission shaft, and the other end of the transmission shaft is fixedly connected with the middle position of the top of the mounting plate.

Furthermore, the vent groove is in a rectangular grid shape, the heater is in a U-shaped tubular shape, the distance between the bottom of the heater and the top of the vent groove is five centimeters, and the distance between the top of the heater and the bottom of the mounting groove is ten centimeters.

Further, the quantity of mounting panel is three, three equidistance evenly distributed from top to bottom between the mounting panel, and three through blade fixed connection between the mounting panel, the shape of blade is the arc form, the quantity of blade is twenty four, the blade is thirty degrees clockwise slope evenly distributed for the mounting panel.

Furthermore, the middle position of the outer surface of the driving motor is fixedly connected with the inner side wall of the fixing plate, the number of the support columns is four, and the two ends of the support columns are respectively fixedly connected with the periphery of the bottom of the fixing plate and the periphery of the top of the base box.

Furthermore, hot air channels are formed in two sides of the interior of the base box, two ends of each hot air channel are communicated with the mounting groove and two sides of the corresponding through groove respectively, the inner walls of the hot air channels are in an inclined state, and the two hot air channels are symmetrically distributed relative to the middle position of the base box.

Furthermore, the bottom of the base box is fixedly connected with the top of the welding furnace, a backflow hole is formed in the top of the welding furnace, and the backflow hole is communicated with the vent groove.

(III) advantageous effects

The utility model provides a heating device of vacuum welding stove possesses following beneficial effect:

1. the utility model discloses because the connected state between base case and the welding furnace, operation transmission through driving motor is in the transmission shaft, transmission shaft drive mounting panel and blade rotate in step simultaneously, the heater is in the running state this moment, the rotation of cooperation blade can be extracted the inside air of welding furnace, get into the inside of base case by the air channel, carry out the heat exchange through the heater simultaneously and heat up, later get into in the blade back by the inside formation circulation of hot-air channel with the welding furnace, be in this kind of state in cycles and heat the action, consequently can be better improve thermal homogeneity, increase technology effective area, and compare with the heating method of radiation, the rate of heating has been improved greatly, the intensification that makes the inside of welding furnace can be quick, the consumption of energy has been reduced, welding efficiency has been improved.

2. The utility model discloses because the setting of air duct and backward flow hole, through the air duct of grid form, can make the inside air of welding furnace be in the homogenization when getting into logical inslot portion, wherein the air duct of grid form can form the effect of reposition of redundant personnel direction to the air, stability and homogeneity when guaranteeing circulating air and getting into logical inslot portion, simultaneously when contacting with the heater and carrying out the heat exchange, can improve heat conduction efficiency, the intensification rate that makes the air obtains promoting, consequently, thermal conduction effect has been improved, the intensification stability and the homogeneity of vacuum welding furnace have been guaranteed.

Drawings

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

FIG. 2 is a partial schematic view of the structure of the present invention;

FIG. 3 is a schematic view of the structure mounting plate and the blade assembly of the present invention;

FIG. 4 is a schematic front view of the structural base box of the present invention;

fig. 5 is a partial schematic view of the structure welding furnace of the present invention.

In the figure: 1. a base case; 2. a through groove; 3. a vent channel; 4. a mounting plate; 5. a heater; 6. mounting grooves; 7. mounting a plate; 8. a blade; 9. a drive motor; 10. a drive shaft; 11. a fixing plate; 12. a support pillar; 13. a hot air channel; 14. a welding furnace; 15. and (4) a backflow hole.

Detailed Description

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

Referring to fig. 1-5, the present invention provides a technical solution: a heating device of a vacuum welding furnace comprises a base box 1, support plates 4, a heater 5, a mounting plate 7, blades 8, a driving motor 9, a transmission shaft 10, a fixing plate 11, support columns 12 and a welding furnace 14, wherein through grooves 2 are formed in two sides of the base box 1, vent grooves 3 are formed in the base box 1, the vent grooves 3 are located at the bottoms of the inner walls of the through grooves 2, the bottoms of the two support plates 4 are fixedly connected with the front and the back of the bottom of the inner wall of the through groove 2 respectively, the heater 5 is located on the support plates 4, the heater 5 is fixedly connected with the support plates 4, a mounting groove 6 is formed in the middle of the top of the base box 1, the mounting groove 6 is communicated with the through grooves 2, the mounting plate 7 is located inside the mounting groove 6, the mounting plate 7 is fixedly connected with the blades 8, the driving motor 9 is located above the top of the base box 1, the output end of, the other end of the transmission shaft 10 is fixedly connected with the middle position of the top of the mounting plate 7 and is transmitted to the transmission shaft through the operation of the driving motor 9, meanwhile, the transmission shaft 10 drives the mounting plate 7 and the blades 8 to synchronously rotate, the heater 5 is in a running state, air in the welding furnace 14 can be extracted by matching with the rotation of the blades 8, the air enters the base box 1 from the air duct 3, meanwhile, the heat exchange is carried out by the heater 5 to raise the temperature, then the hot air enters the blades 8, and then the circulation is formed by the hot air channel 13 and the welding furnace 14, and the heating action is carried out in the state repeatedly, so that the uniformity of heat can be better improved, the effective area of the process is increased, compared with a radiation heating mode, the heating speed is greatly increased, the temperature inside the welding furnace 14 can be rapidly increased, the energy consumption is reduced, and the welding efficiency is improved.

The air channel 3 is in a rectangular grid shape, the heater 5 is in a U-shaped tubular shape, the distance between the bottom of the heater 5 and the top of the air channel 3 is five centimeters, the distance between the top of the heater 5 and the bottom of the mounting groove 6 is ten centimeters, the number of the mounting plates 7 is three, the three mounting plates 7 are uniformly distributed from top to bottom at equal intervals, the three mounting plates 7 are fixedly connected through blades 8, the blades 8 are in an arc shape, the number of the blades 8 is twenty-four, the blades 8 are uniformly distributed in a thirty-degree-angle clockwise inclined manner relative to the mounting plates 7, the middle position of the outer surface of the driving motor 9 is fixedly connected with the inner side wall of the fixing plate 11, the number of the supporting columns 12 is four, two ends of the four supporting columns 12 are respectively and fixedly connected with the periphery of the bottom of the fixing plate 11 and the periphery of the top of the base box, the two ends of the hot air channel 13 are respectively communicated with the two sides of the mounting groove 6 and the through groove 2, the inner wall of the hot air channel 13 is in an inclined state, the two hot air channels 13 are symmetrically distributed relative to the middle position of the base box 1, the bottom of the base box 1 is fixedly connected with the top of the welding furnace 14, the top of the welding furnace 14 is provided with a backflow hole 15, the backflow hole 15 is communicated with the vent groove 3, due to the arrangement of the vent groove 3 and the backflow hole 15, the air in the welding furnace 14 can be homogenized when entering the through groove 2 through the grid-shaped vent groove 3, wherein the grid-shaped vent groove 3 can form a shunting and guiding effect on the air, so as to ensure the stability and uniformity of the circulating air when entering the through groove 2, and simultaneously can improve the heat conduction efficiency when contacting with the heater 5 for heat exchange, so that the temperature rising rate of the air is improved, therefore, the heat conduction effect is improved, and the temperature rise stability and uniformity of the vacuum welding furnace are ensured.

The working principle is as follows: in the use process, the operation transmission of driving motor 9 is in the transmission shaft, simultaneously, transmission shaft 10 drive mounting panel 7 and blade 8 carry out synchronous rotation, heater 5 is in the running condition this moment, the rotation of cooperation blade 8 can be extracted the inside air of welding furnace 14, get into the inside of base case 1 by air channel 3, carry out the heat exchange intensification through heater 5 simultaneously, later get into behind the blade 8 by the inside formation circulation of hot-air channel 13 with welding furnace 14, be in this kind of state in cycles and heat the action, consequently, the thermal homogeneity of improvement that can be better, increase technology effective area.

The utility model discloses a control mode comes automatic control through the controller, and the control circuit of controller can realize through the simple programming of technical staff in this field, and the supply also belongs to the common general knowledge in this field, and the utility model discloses mainly used protects mechanical device, so the utility model discloses no longer explain control mode and circuit connection in detail.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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

Claims

1. The utility model provides a heating device of vacuum welding stove, includes base case (1), mounting panel (4), heater (5), mounting panel (7), blade (8), driving motor (9), transmission shaft (10), fixed plate (11), support column (12) and welding stove (14), its characterized in that: the improved water heater is characterized in that through grooves (2) are formed in two sides of the base box (1), vent grooves (3) are formed in the base box (1), the vent grooves (3) are located at the bottom of the inner wall of the through grooves (2), the bottoms of the two support plates (4) are fixedly connected with the front and the back of the bottom of the inner wall of the through grooves (2) respectively, the heater (5) is located on the support plates (4), the heater (5) is fixedly connected with the support plates (4), a mounting groove (6) is formed in the middle of the top of the base box (1), the mounting groove (6) is communicated with the through grooves (2), the mounting plate (7) is located inside the mounting groove (6), the mounting plate (7) is fixedly connected with blades (8), the driving motor (9) is located above the top of the base box (1), and the output end of the driving motor (9) is fixedly connected with one end of the transmission shaft (10), the other end of the transmission shaft (10) is fixedly connected with the middle position of the top of the mounting plate (7).

2. The heating apparatus of a vacuum welding furnace as set forth in claim 1, wherein: the shape of air channel (3) is the rectangle grid form, the shape of heater (5) is U-shaped tubulose, the interval of the bottom of heater (5) and air channel (3) top is five centimeters, the interval of the top of heater (5) and mounting groove (6) bottom is ten centimeters.

3. The heating apparatus of a vacuum welding furnace as set forth in claim 1, wherein: the quantity of mounting panel (7) is three, three equidistance evenly distributed from top to bottom between mounting panel (7), and three through blade (8) fixed connection between mounting panel (7), the shape of blade (8) is the arc form, the quantity of blade (8) is twenty four, blade (8) are thirty degrees clockwise slope evenly distributed for mounting panel (7).

4. The heating apparatus of a vacuum welding furnace as set forth in claim 1, wherein: the middle position of driving motor (9) surface and the inside wall fixed connection of fixed plate (11), the quantity of support column (12) is four, and four the both ends of support column (12) respectively with fixed plate (11) bottom all around with the fixed connection all around at base case (1) top.

5. The heating apparatus of a vacuum welding furnace as set forth in claim 1, wherein: hot-air channel (13) have all been seted up to the inside both sides of base case (1), the both ends of hot-air channel (13) are in the intercommunication state with the both sides of mounting groove (6) and logical groove (2) respectively, the inner wall of hot-air channel (13) is the tilt state, and two hot-air channel (13) are for the intermediate position symmetric distribution of base case (1).

6. The heating apparatus of a vacuum welding furnace as set forth in claim 1, wherein: the bottom of the base box (1) is fixedly connected with the top of the welding furnace (14), the top of the welding furnace (14) is provided with a reflow hole (15), and the reflow hole (15) is communicated with the vent groove (3).