CN216912581U

CN216912581U - Channel type vacuum welding furnace

Info

Publication number: CN216912581U
Application number: CN202122575690.1U
Authority: CN
Inventors: 崔会猛; 宋铁生; 王健健; 李晓亮
Original assignee: Chenglian Kaida Technology Co ltd
Current assignee: Chenglian Kaida Technology Co ltd
Priority date: 2021-10-26
Filing date: 2021-10-26
Publication date: 2022-07-08
Anticipated expiration: 2031-10-26

Abstract

The application provides a channel type vacuum welding furnace, which comprises a chamber body and a sealing valve; the multiple groups of bin bodies are fixedly connected along a first direction, sealing valves are arranged on two sides of each bin body, and valve holes for workpieces to pass through are formed in the sealing valves; and a conveying mechanism and a heating structure are arranged in the bin body. According to the technical scheme provided by the embodiment of the application, the three groups of bin bodies are connected, so that the labor and the time are saved; sealing valves are arranged on every two groups of the bin bodies, so that the sealing effect is good; through setting up heating device, promote the welding effect.

Description

Channel type vacuum welding furnace

Technical Field

The invention particularly discloses a channel type vacuum welding furnace.

Background

The vacuum welding furnace is a process welding furnace for high-end products, such as laser devices, aerospace, electric vehicles and other industries; compared with the traditional reflow soldering system, the vacuum soldering system mainly uses vacuum to help the cavity to be discharged when solder paste or soldering lug is above a liquidus line, so that the cavity rate is reduced; because of the existence of the vacuum system, the air atmosphere can be changed into the nitrogen atmosphere, so that the oxidation is reduced; while the presence of a vacuum also increases the possibility of a reducing atmosphere.

The vacuum welding furnace needs a vacuum environment, a welding part needs to be frequently opened and closed when being taken and placed, a sealing door of the existing vacuum welding furnace is mostly opened and closed manually, only a single vacuum bin is needed, a cover needs to be opened and closed manually each time, products are placed, a welding process is carried out, and the operation process is long; the sealing quality is greatly influenced by operators and cannot be effectively guaranteed, and the problem needs to be solved urgently.

Disclosure of Invention

In view of the above-mentioned drawbacks and deficiencies of the prior art, the present application is directed to a tunnel-type vacuum welding furnace, comprising a chamber body and a sealing valve; the multiple groups of bin bodies are fixedly connected along a first direction, sealing valves are arranged on two sides of each bin body, and valve holes for workpieces to pass through are formed in the sealing valves; and a conveying mechanism and a heating structure are arranged in the bin body.

According to the technical scheme provided by the embodiment of the application, the transmission mechanism comprises: a transmission wheel and a transmission motor; the driving wheel drives the workpiece to move along a first direction and is driven by the driving motor.

According to the technical scheme provided by the embodiment of the application, the sealing valve comprises a valve body; the valve body is provided with a through valve hole, and a matched valve plate assembly is arranged inside the valve body; the valve plate assembly comprises a frame body and a valve plate; the frame body can be slidably arranged in the valve body and is driven by an air cylinder; the valve plates are slidably arranged on two sides of the frame body and correspond to the valve holes; and a wedge-shaped mechanism is arranged in front of the frame body and the valve plate and is used for driving the valve plate to be pressed on the valve body.

According to the technical scheme provided by the embodiment of the application, the bin body further comprises photoelectric detection devices, the photoelectric detection devices are arranged on two sides of the bin body along a second direction, and the second direction is perpendicular to the first direction; the photoelectric detection device is connected with the conveying motor and the air cylinder.

According to the technical scheme that this application embodiment provided, heating structure includes the hot plate, the hot plate below is provided with elevating gear, elevating gear passes through motor drive and drives the hot plate is along the displacement of third direction, the third direction is perpendicular with the second direction, and perpendicular with the first direction.

According to the technical scheme provided by the embodiment of the application, the lifting device comprises: the base, be equipped with the support column between hot plate and the base, the axis direction of support column is the third direction.

According to the technical scheme provided by the embodiment of the application, the bin body is provided with a hinged upper cover, and the direction of the hinged shaft is parallel to the first direction; the upper cover is provided with an observation hole.

According to the technical scheme provided by the embodiment of the application, the bin body is also provided with a vacuumizing hole and an exhaust hole; the vacuumizing is positioned on one side of the bin body; the exhaust hole is arranged at the top of the bin body.

According to the technical scheme that this application embodiment provided, water cooling plant is installed in the storehouse body outside, water cooling plant is S type fixed mounting be in on the outer wall of storehouse.

The invention has the beneficial effects that: through the series connection of the three groups of bin bodies, the bin bodies are internally provided with the conveying mechanism, so that the bin bodies do not need to be opened and closed frequently in the welding process, and the production time of products is saved; sealing valves are arranged on every two groups of bin body supports, so that a vacuum environment in the welding process is realized, and the welding effect is ensured; through every internal heating mechanism that sets up in storehouse of group, realize the problem control to every process, promote the welding effect.

Drawings

FIG. 1 is a schematic view of one embodiment of a tunnel vacuum welding furnace of the present application;

FIG. 2 is a schematic view of a chamber body of a tunnel vacuum welding furnace of the present application;

FIG. 3 is a schematic view of a sealing valve of a tunnel vacuum welding furnace of the present application;

FIG. 4 is a schematic view of a valve plate assembly of a tunnel vacuum welding furnace of the present application;

FIG. 5 is a front view of a tunnel vacuum welding furnace of the present application;

FIG. 6 is a side view of a tunnel vacuum welding furnace of the present application;

FIG. 7 is a top view of a tunnel vacuum welding furnace of the present application;

1. a bin body; 2. a sealing valve; 10. an upper cover; 11. a transfer structure; 12. a heating structure; 13. a photoelectric detection device; 14. a water cooling device; 20. a valve bore; 21. a valve body; 22. a frame body; 23. a valve plate; 100. an observation hole; 110. a driving wheel; 111. a drive motor; 120. heating plates; 121. a lifting device; 130. a base; 131. and (4) a support column.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings in order to make those skilled in the art better understand the technical solution of the present invention, and the description in this section is only exemplary and illustrative, and should not be construed as limiting the scope of the present invention in any way.

Example 1

As shown in fig. 1, a tunnel type vacuum welding furnace comprises a chamber body 1 and a sealing valve 2; the multiple groups of the bin bodies 1 are fixedly connected along a first direction, sealing valves 2 are arranged on two sides of each bin body 1, and valve holes 20 through which workpieces can pass are formed in the sealing valves 2; the bin body 1 is internally provided with a conveying mechanism 11 and a heating structure 12.

An inlet and an outlet are respectively arranged on two sides of the bin body 1, so that workpieces can pass through the bin body conveniently; the three groups of bin bodies 1 are connected end to form a preheating bin, a welding bin and a cooling bin; and the sealing valve 2 is arranged between two groups of the bin bodies 1, and the temperature in each bin body is controlled by arranging the heating structure 12, so that the whole processes of preheating, welding and cooling are realized.

Preferably, the welding bin is made of red copper, the red copper has the characteristic of good heat conductivity, and the bin body is of a two-layer structure, so that the airtightness of the bin body is guaranteed.

Example 2

On the basis of embodiment 1, the transfer mechanism 11 includes: a driving wheel 110 and a driving motor 111; the driving wheel 110 drives the workpiece to move along a first direction, and the driving wheel 110 is driven by a driving motor 111.

The transmission wheels 110 are provided with a plurality of groups and are arranged on two sides of the inner part of the bin body, and the transmission wheels 110 adopt friction wheels to place workpieces to slide freely; the driving wheel is provided with a tool jig for clamping a workpiece; the two sides of the tool jig are provided with the slide ways, so that the tool jig is guaranteed not to deviate when sliding.

Example 3

The sealing valve 2 comprises a valve body 21; the valve body 21 is provided with a through valve hole 20, and a matched valve plate assembly is arranged inside the valve body; the valve plate assembly comprises a frame body 22 and a valve plate 23; the frame body 22 is slidably mounted in the valve body 21 and driven by the cylinder 210; the valve plates 23 are slidably mounted on both sides of the frame body 22 and correspond to the valve holes 20; a wedge-shaped mechanism is further arranged in front of the frame body 22 and the valve plate 23 and used for driving the valve plate 23 to be pressed on the valve body 21.

Wherein the wedge mechanism comprises a slide slot located on the valve plate; the sliding groove is arranged along the sliding direction of the frame body 22, and the bottom of the sliding groove is provided with an inclined plane along the length direction. A matched sliding column is arranged on the frame body 22 corresponding to the sliding groove; the sliding column is positioned in the sliding groove and is vertically connected with the frame body.

Further, a sliding assembly is further arranged between the valve plate 23 and the frame body 22; the sliding assembly comprises a sliding block and a sliding rail which are matched; the sliding block is fixedly arranged on the valve plate 23, and the section of the sliding block is U-shaped; the slide rail is fixedly installed on the frame body 23 and arranged along the sliding direction of the frame body 23.

Preferably, the device further comprises a pulley; two sides of the frame body are respectively provided with matched mounting frames corresponding to the pulleys; the pulley is rotatably mounted on the mounting frame and abuts against the valve body 21.

Preferably, a sealing ring is arranged on one side of the valve plate 23 away from the frame body 22 in the circumferential direction; the sealing ring is annular and corresponds to the valve hole 20.

Example 4

The bin body 1 further comprises a photoelectric detection device 13, wherein the photoelectric detection device 13 is arranged on two sides 2 of the bin body along a second direction, and the second direction is vertical to the first direction; the photoelectric detection device 13 is connected to the conveying motor 111 and the air cylinder 210. Two sets of photoelectric detection device detects the product simultaneously, and drive mechanism 11 stop work, and raft 23 falls. The automatic operation of the workpiece during welding is realized, a switch bin is not needed, and time and labor are saved.

Further, the heating structure 12 includes a heating plate 120, a lifting device 121 is disposed below the heating plate 120, the lifting device 121 drives the heating plate 120 to move along a third direction through driving of a motor, and the third direction is perpendicular to the second direction and perpendicular to the first direction.

Wherein, 9 heating rods are arranged in the heating plate 120, and if the heating plate is damaged, the heating plate can be independently replaced; the heating plate 120 is driven by the lifting device 121 to move up and down, so that the distance between the heating plate and the workpiece is adjusted, and the temperature of the workpiece during welding can be further controlled.

Further, the lifting device 121 includes: a support column 131 is arranged between the heating plate 120 and the base 131 of the base 130, and the axial direction of the support column 131 is a third direction.

Further, it is characterized in that: the bin body 1 is provided with a hinged upper cover 10, and the direction of the hinged shaft is parallel to the first direction; the upper cover 10 is provided with a viewing hole 100. Preferably, a fastening knob is arranged on the upper cover, so that the tightness of the bin body 1 can be further ensured.

Furthermore, the bin body 1 is also provided with a vacuumizing hole and an exhaust hole; the vacuumizing is positioned at one side of the bin body 1; the exhaust hole is arranged on the top of the bin body 1.

Further, a water cooling device 14 is installed on the outer side of the bin body 1, and the water cooling device 14 is fixedly installed on the outer wall of the bin body 1 in an S shape.

The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts of the present invention. The foregoing is only a preferred embodiment of the present invention, and it should be noted that there are objectively infinite specific structures due to the limited character expressions, and it will be apparent to those skilled in the art that a plurality of modifications, decorations or changes may be made without departing from the principle of the present invention, and the technical features described above may be combined in a suitable manner; such modifications, variations, combinations, or adaptations of the invention using its spirit and scope, as defined by the claims, may be directed to other uses and embodiments.

Claims

1. A channel type vacuum welding furnace is characterized by comprising a chamber body (1) and a sealing valve (2);

the multiple groups of the bin bodies (1) are fixedly connected along a first direction, sealing valves (2) are arranged on two sides of each bin body (1), and valve holes (20) through which workpieces can pass are formed in each sealing valve (2);

the bin body (1) is internally provided with a conveying mechanism (11) and a heating structure (12).

2. The channel vacuum welding furnace of claim 1, wherein: the transfer mechanism (11) comprises: a transmission wheel (110) and a transmission motor (111); the driving wheel (110) drives the workpiece to move along a first direction, and the driving wheel (110) is driven by a driving motor (111).

3. The channel vacuum welding furnace as claimed in claim 2, wherein: the sealing valve (2) comprises a valve body (21); the valve body (21) is provided with a through valve hole (20), and a matched valve plate assembly is arranged inside the valve body; the valve plate assembly comprises a frame body (22) and a valve plate (23); the frame body (22) is slidably arranged in the valve body (21) and is driven by an air cylinder (210); the valve plates (23) are slidably arranged on two sides of the frame body (22) and correspond to the valve holes (20); a wedge-shaped mechanism is arranged in front of the frame body (22) and the valve plate (23) and used for driving the valve plate (23) to be pressed on the valve body (21).

4. The channel vacuum welding furnace as claimed in claim 3, wherein: the bin body (1) further comprises photoelectric detection devices (13), the photoelectric detection devices (13) are arranged on two sides of the bin body (1) along a second direction, and the second direction is perpendicular to the first direction; the photoelectric detection device (13) is connected with the transmission motor (111) and the air cylinder (210).

5. The channel vacuum welding furnace of claim 1, wherein: heating structure (12) are including hot plate (120), hot plate (120) below is provided with elevating gear (121), elevating gear (121) pass through motor drive and drive hot plate (120) along the displacement of third direction, the third direction is perpendicular with the second direction, and is perpendicular with first direction.

6. The channel vacuum welding furnace as claimed in claim 5, wherein: the lifting device (121) comprises: the heating plate comprises a base (130), wherein a supporting column (131) is arranged between the heating plate (120) and the base (130), and the axis direction of the supporting column (131) is the third direction.

7. The channel vacuum welding furnace of claim 1, wherein: the bin body (1) is provided with a hinged upper cover (10), and the direction of a hinged shaft of the upper cover is parallel to the first direction; the upper cover (10) is provided with an observation hole (100).

8. The channel vacuum welding furnace of claim 1, wherein: the bin body (1) is also provided with a vacuumizing hole and an exhaust hole; the vacuumizing is positioned at one side of the bin body (1); the exhaust hole is arranged on the top of the bin body (1).

9. The channel vacuum welding furnace of claim 1, wherein: the water cooling device (14) is installed on the outer side of the bin body (1), and the water cooling device (14) is fixedly installed on the outer wall of the bin body (1) in an S shape.