CN216912581U - A channel type vacuum welding furnace - Google Patents

Abstract

The application provides a channel-type vacuum welding furnace, comprising a silo body and a sealing valve; a plurality of groups of the silo bodies are fixedly connected along a first direction, and sealing valves are provided on both sides of the silo body, and the sealing valves are provided with A valve hole for the workpiece to pass through; a conveying mechanism and a heating structure are installed inside the box body. According to the technical solutions provided in the embodiments of the present application, manpower and time are saved by connecting three groups of silo bodies; sealing valves are provided for each two sets of silo bodies, so that the sealing effect is good; and heating devices are provided to improve the welding effect.

Description

A channel type vacuum welding furnace

technical field

The invention specifically discloses a channel type vacuum welding furnace.

Background technique

Vacuum welding furnace is a process welding furnace for high-end products, such as laser devices, aerospace, electric vehicles and other industries. Compared with traditional reflow soldering systems, vacuum welding systems mainly use vacuum in solder paste or solder wafers in liquidus. The above helps to discharge the voids, thereby reducing the void rate; because of the existence of the vacuum system, the air atmosphere can be changed into a nitrogen atmosphere to reduce oxidation; at the same time, the existence of the vacuum also increases the possibility of reducing the atmosphere.

The vacuum welding furnace needs a vacuum environment, and the pick and place of the welding parts needs to be opened and closed frequently. At present, the sealing door of the vacuum welding furnace is mostly manual switch, and it is only a single vacuum chamber. It needs to manually open and close the cover every time, place the product, and perform welding. The process, the operation process, and the time are long; the sealing quality is greatly affected by the operator and cannot be effectively guaranteed. This problem needs to be solved urgently.

SUMMARY OF THE INVENTION

In view of the above-mentioned defects or deficiencies in the prior art, the present application aims to provide a channel type vacuum welding furnace, characterized in that: it comprises a silo body and a sealing valve; The two sides of the bin body are provided with sealing valves, and the sealing valves are provided with valve holes through which the workpieces can pass; the interior of the bin body is provided with a conveying mechanism and a heating structure.

According to the technical solutions provided in the embodiments of the present application, the transmission mechanism includes: a transmission wheel and a transmission motor; the transmission wheel drives the workpiece to displace in a first direction, and the transmission wheel is driven by the transmission motor.

According to the technical solutions provided in the embodiments of the present application, the sealing valve includes a valve body; the valve body is provided with a through valve hole, and a matching valve plate assembly is disposed inside; the valve plate assembly includes a frame body and a valve plate ; the frame body can be slidably installed in the valve body and driven by a cylinder; the valve plate can be slidably installed on both sides of the frame body, corresponding to the valve hole; the frame body is before the valve plate A wedge-shaped mechanism is also provided for driving the valve plate to be pressed against the valve body.

According to the technical solutions provided by the embodiments of the present application, the bin body further includes a photoelectric detection device, and the photoelectric detection device is installed on both sides of the bin body along a second direction, and the second direction is perpendicular to the first; the The photoelectric detection device is connected with the conveying motor and the cylinder.

According to the technical solutions provided in the embodiments of the present application, the heating structure includes a heating plate, and a lifting device is arranged under the heating plate, and the lifting device drives the heating plate to move in a third direction through the motor drive, and the third The direction is perpendicular to the second direction and perpendicular to the first direction.

According to the technical solution provided by the embodiment of the present application, the lifting device includes: a base, a support column is arranged between the heating plate and the base, and the axis direction of the support column is a third direction.

According to the technical solutions provided in the embodiments of the present application, the bin body is provided with a hinged upper cover, the direction of the hinge axis is parallel to the first direction; the upper cover is provided with an observation hole.

According to the technical solutions provided in the embodiments of the present application, the silo body is further provided with an evacuation hole and an exhaust hole; the evacuation hole is located on one side of the silo body; and the exhaust hole is on the top of the silo body.

According to the technical solutions provided in the embodiments of the present application, a water cooling device is installed on the outside of the silo body, and the water cooling device is fixedly installed on the outer wall of the silo in an S-shape.

The beneficial effects of the present invention are as follows: through the series connection of three groups of silo bodies, the silo body is provided with a transmission mechanism, so that the silo body does not need to be switched frequently during the welding process, and the product production time is saved; The vacuum environment during the welding process ensures the welding effect; by setting a heating mechanism in each group of chambers, the problem control of each process is realized and the welding effect is improved.

Description of drawings

1 is a schematic diagram of an embodiment of a channel type vacuum welding furnace of the present application;

2 is a schematic diagram of a chamber body of a channel type vacuum welding furnace of the present application;

Fig. 3 is the sealing valve schematic diagram of a kind of channel type vacuum welding furnace of the present application;

4 is a schematic diagram of a valve plate assembly of a channel type vacuum welding furnace of the present application;

5 is a front view of a channel type vacuum welding furnace of the present application;

6 is a side view of a channel type vacuum welding furnace of the present application;

7 is a top view of a channel type vacuum welding furnace of the present application;

1. Bin body; 2. Sealing valve; 10. Upper cover; 11. Transmission structure; 12. Heating structure; 13. Photoelectric detection device; 14. Water cooling device; 20. Valve hole; 21. Valve body; 22. Frame body ; 23, valve plate; 100, observation hole; 110, transmission wheel; 111, transmission motor; 120, heating plate; 121, lifting device; 130, base; 131, support column.

Detailed ways

In order to make those skilled in the art better understand the technical solutions of the present invention, the present invention will be described in detail below with reference to the accompanying drawings. The description in this part is only exemplary and explanatory, and should not have any limiting effect on the protection scope of the present invention. .

Example 1

As shown in Figure 1, a channel type vacuum welding furnace includes a silo body 1 and a sealing valve 2; multiple groups of the silo bodies 1 are fixedly connected along the first direction, and the silo body 1 is provided with sealing valves 2 on both sides, The sealing valve 2 is provided with a valve hole 20 through which the workpiece can pass; the chamber body 1 is provided with a conveying mechanism 11 and a heating structure 12 .

Wherein, the two sides of the silo body 1 are respectively provided with an inlet and an outlet to facilitate the passage of workpieces; three groups of silo bodies 1 are connected end to end to form a preheating silo, a welding silo and a cooling silo; and there are no two groups of the silo bodies 1 The sealing valve 2 is provided between, and the temperature of each chamber is controlled by setting the heating structure 12, so as to realize the whole process of preheating, welding and cooling.

Preferably, the material of the welding silo is red copper, which has the characteristics of good thermal conductivity, and the silo body is a two-layer structure to ensure its airtightness.

Example 2

On the basis of Embodiment 1, the transmission mechanism 11 includes: a transmission wheel 110 and a transmission motor 111 ; the transmission wheel 110 drives the workpiece to displace in the first direction, and the transmission wheel 110 is driven by the transmission motor 111 .

Among them, the transmission wheels 110 are provided with multiple groups installed on both sides of the inside of the bin body. The transmission wheels 110 use friction wheels to place the workpieces to slide freely; the transmission wheels are provided with tooling fixtures for clamping The workpiece; the two sides of the tooling fixture are provided with slideways to ensure that there is no deviation when sliding.

Example 3

The sealing valve 2 includes a valve body 21; the valve body 21 is provided with a through valve hole 20, and a matching valve plate assembly is arranged inside; the valve plate assembly includes a frame body 22 and a valve plate 23; the frame The body 22 can be slidably installed in the valve body 21 and driven by the air cylinder 210; the valve plate 23 can be slidably installed on both sides of the frame body 22, corresponding to the valve hole 20; the frame body 22 A wedge-shaped mechanism is also provided before the valve plate 23 for driving the valve plate 23 to be pressed on the valve body 21 .

Wherein, the wedge-shaped mechanism includes a chute located on the valve plate; the chute is arranged along the sliding direction of the frame body 22, and the bottom is provided with an inclined surface along the length direction. The frame body 22 is provided with a matching sliding column corresponding to the sliding slot; the sliding column is located in the sliding slot and is vertically connected with the frame body.

Further, a sliding assembly is also provided between the valve plate 23 and the frame body 22; the sliding assembly includes a matching slider and a sliding rail; the slider is fixedly installed on the valve plate 23, and the cross-section is U type; the slide rail is fixedly installed on the frame body 23 and is arranged along the sliding direction of the frame body 23 .

Preferably, it also includes a pulley; two sides of the frame body are respectively provided with matching mounting brackets corresponding to the pulleys; the pulleys are rotatably mounted on the mounting brackets and abut against the valve body 21 .

Preferably, a sealing ring is circumferentially provided on the side of the valve plate 23 away from the frame body 22 ; the sealing ring is annular and corresponds to the valve hole 20 .

Example 4

The bin body 1 further includes a photoelectric detection device 13, and the photoelectric detection device 13 is installed on both sides 2 of the bin body along a second direction, and the second direction is perpendicular to the first; The transmission motor 111 and the air cylinder 210 are connected. When the two sets of photoelectric detection devices detect the product at the same time, the transmission mechanism 11 stops working, and the raft 23 falls. It realizes the automatic operation of the workpiece during welding, without switching the warehouse, saving time and effort.

Further, the heating structure 12 includes a heating plate 120, and a lifting device 121 is disposed below the heating plate 120. The lifting device 121 is driven by a motor to drive the heating plate 120 to move in a third direction. The third direction perpendicular to the second direction and perpendicular to the first direction.

Among them, the heating plate 120 is provided with 9 heating rods, if damaged, it can be replaced independently; the heating plate 120 is driven up and down by the lifting device 121 to adjust the distance between the heating plate and the workpiece, and further control the welding of the workpiece. temperature.

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

Further, it is characterized in that: the bin body 1 is provided with a hinged upper cover 10, the direction of the hinge axis is parallel to the first direction; the upper cover 10 is provided with an observation hole 100. Preferably, the upper cover is provided with a tightening knob, which can further ensure the airtightness of the box body 1 .

Further, the silo body 1 is also provided with a vacuuming hole and an exhaust hole; the vacuuming is located on one side of the silo body 1 ; the exhaust hole is on the top of the silo body 1 .

Further, a water cooling device 14 is installed on the outside 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.

Specific examples are used herein to illustrate the principles and implementations of the present invention, and the descriptions of the above examples are only used to help understand the method and the core idea of the present invention. The above are only the preferred embodiments of the present invention. It should be pointed out that, due to the limited expression of words, there are objectively unlimited specific structures. For those of ordinary skill in the art, without departing from the principles of the present invention However, several improvements, modifications or changes can also be made, and the above-mentioned technical features can also be combined in an appropriate manner; these improvements, modifications, or combinations, or the concept and technical solutions of the invention are directly applied to other occasions without improvement. should be regarded as the protection scope of the present invention.

Claims (9)

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.

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