CN214148876U

CN214148876U - Novel vacuum reflow furnace and control system thereof

Info

Publication number: CN214148876U
Application number: CN202023085721.7U
Authority: CN
Inventors: 唐杏文
Original assignee: Shenzhen Jiankun Metal Product Co ltd
Current assignee: Shenzhen Jiankun Metal Product Co ltd
Priority date: 2020-12-21
Filing date: 2020-12-21
Publication date: 2021-09-07
Anticipated expiration: 2030-12-21

Abstract

The utility model discloses a novel vacuum reflow oven and control system thereof, including cavity, last cavity, install host computer in last cavity, install at the internal heating system of epicoele, install at the internal cooling system of epicoele, install conveying system on cavity down, install at the internal vacuum system of cavity down and install the blast pipe on last cavity down. The utility model discloses a water-cooling machine's the end intercommunication of giving vent to anger has gas output tube, gas output tube's extension end has first cooling branch pipe through automatically controlled valve intercommunication respectively, second cooling branch pipe and third cooling branch pipe, in order to be respectively to cooling system, water recovery pipe and cold water storage cistern forced air cooling are handled, second cooling branch pipe and third cooling branch pipe are respectively through handling the back to water recovery pipe and cold water storage cistern, gas is retrieved to water-cooling machine circulation through gaseous second recovery pipe once more and is handled, in order to form a gas cooling circulation system, the utilization ratio of gas and water resource has been improved greatly.

Description

Novel vacuum reflow furnace and control system thereof

Technical Field

The utility model relates to a novel vacuum reflow oven and control system thereof.

Background

The vacuum reflow furnace is used for welding products in high quality in a vacuum environment, a reducing system is introduced in the process of temperature rising or temperature lowering to protect the products and the welding flux from being oxidized, and meanwhile, the products and the oxides on the surface of the welding flux react, so that the quality of the welding surface is improved, and the voidage of welding is reduced.

Current vacuum reflux furnace is when using, and inside gas is mostly through the blast pipe direct discharge, and the utilization ratio is lower, and cooling system only handles through water-cooled mode moreover, leads to cooling efficiency not high, therefore, proposes a neotype vacuum reflux furnace and its control system now to realize a gas recovery utilization ratio height, the efficient vacuum reflux furnace of cooling system.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a novel vacuum reflux furnace and control system thereof, solved among the prior art vacuum reflux furnace gas recycle rate low when using, problem that cooling system is inefficient.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a novel control system of vacuum reflux furnace, includes cavity, last cavity, installs host computer in last cavity, installs at the internal heating system of epicoele, installs at the internal cooling system of epicoele, installs conveying system on cavity down, installs at the internal vacuum system of cavity down and installs the blast pipe on last cavity, vacuum system is including the protective gas storage box that is used for carrying protective gas, be used for controlling vacuum environment's vacuum pump and be used for handling the water-cooled generator who retrieves gas, cooling system is including the cooling body who is used for cooling the hot plate and the cold water storage cistern that is used for providing the water source for cooling body, the cavity intercommunication has gaseous first recovery tube down, the gas of gaseous first recovery tube is used for cooling system's gas cooling and cold water storage cistern heat exchange respectively after the water-cooled generator is handled.

Preferably, the gas outlet end of the water cooler is communicated with a gas outlet pipe, the extending end of the gas outlet pipe is respectively communicated with a first cooling branch pipe, a second cooling branch pipe and a third cooling branch pipe through an electric control valve, the first cooling branch pipe extends into the cooling system of the upper cavity, and the third cooling branch pipe penetrates through the cold water tank.

Preferably, the water outlet end and the water inlet end of the cold water tank are respectively provided with a water-cooling water delivery pipe and a water recovery pipe, and the extension ends of the water-cooling water delivery pipe and the water recovery pipe are respectively communicated with the two ends of the cooling mechanism.

Preferably, the water recovery pipe is provided with a heat exchanger, the second cooling branch pipe penetrates through the heat exchanger to cool water in the water recovery pipe, the second cooling branch pipe penetrates through the heat exchanger and then is communicated with the second gas recovery pipe, and the extending end of the second gas recovery pipe is communicated with the gas inlet end of the water cooler.

Preferably, a gas replacement pipe is installed in the cold water tank, the gas inlet end of the gas replacement pipe is communicated with the third cooling branch pipe, and the gas outlet end of the gas replacement pipe is communicated with a third gas recovery pipe communicated with the second gas recovery pipe.

A novel vacuum reflow oven comprises a control system of any one of the novel vacuum reflow ovens.

The utility model discloses possess following beneficial effect at least:

1. the end intercommunication of giving vent to anger through the water-cooling machine has the gas output pipe, the extension end of gas output pipe has first cooling branch pipe, second cooling branch pipe and third cooling branch pipe through electric control valve intercommunication respectively, in order to respectively to cooling system, water recovery pipe and cold water storage cistern forced air cooling are handled, second cooling branch pipe and third cooling branch pipe are respectively through handling back to water recovery pipe and cold water storage cistern, gas is retrieved to the water-cooling machine circulation through gaseous second recovery pipe once more and is handled, in order to form a gas cooling circulation system, the utilization ratio of gas and water resource has been improved greatly.

2. After the cooling mechanism for cooling the heating plate is cooled by water, the water after heat replacement returns to the cold water tank through the water recovery pipe, and the cold water tank is subjected to air cooling treatment, so that a water circulation cooling system is realized.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without any creative effort.

FIG. 1 is a schematic front view of the apparatus;

FIG. 2 is a schematic view of a cooling system configuration;

fig. 3 is a schematic view of the internal structure of the cold water tank.

In the figure: 1. a lower cavity; 2. an upper cavity; 3. a host; 4. a delivery system; 5. a heating system; 6. a cooling system; 7. a vacuum system; 8. an exhaust pipe; 9. a shielding gas storage tank; 10. a vacuum pump; 11. a water cooling machine; 12. a cold water tank; 13. a heat exchanger; 14. a cooling mechanism; 15. a first gas recovery pipe; 16. a gas output pipe; 17. a first cooling branch pipe; 18. A second gas recovery tube; 19. water-cooling water delivery pipes; 20. a water recovery pipe; 21. a third cooling branch pipe; 22. a third gas recovery pipe; 23. a gas displacement tube; 24. a second cooling manifold.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1-3, a novel control system of a vacuum reflow oven comprises a lower cavity 1, an upper cavity 2, a main machine 3 installed in the upper cavity 2, a heating system 5 installed in the upper cavity 2, a cooling system 6 installed in the upper cavity 2, a conveying system 4 installed on the lower cavity 1, a vacuum system 7 installed in the lower cavity 1, and an exhaust pipe 8 installed on the upper cavity 2, wherein the vacuum system 7 comprises a protective gas storage tank 9 for conveying protective gas, a vacuum pump 10 for controlling a vacuum environment, and a water cooler 11 for processing recovered gas, the cooling system 6 comprises a cooling mechanism 14 for cooling a heating plate and a cold water tank 12 for providing a water source for the cooling mechanism 14, the lower cavity 1 is communicated with a first gas recovery pipe 15, and gas in the first gas recovery pipe 15 is processed by the water cooler 11 and then used for gas cooling of the cooling system 6 and heat exchange in the cold water tank 12 respectively, the gas outlet end of the water cooler 11 is communicated with a gas outlet pipe 16, the extending end of the gas outlet pipe 16 is respectively communicated with a first cooling branch pipe 17, a second cooling branch pipe 24 and a third cooling branch pipe 21 through an electric control valve, the first cooling branch pipe 17 extends into the cooling system 6 of the upper cavity 2, the third cooling branch pipe 21 penetrates through the cold water tank 12, the water outlet end and the water inlet end of the cold water tank 12 are respectively provided with a water-cooling water delivery pipe 19 and a water recovery pipe 20, the extending ends of the water-cooling water delivery pipe 19 and the water recovery pipe 20 are respectively communicated with two ends of the cooling mechanism 14, the water recovery pipe 20 is provided with a heat exchanger 13, the second cooling branch pipe 24 penetrates through the heat exchanger 13 to carry out cooling treatment on water in the water recovery pipe 20, the second cooling branch pipe 24 is communicated with a gas second recovery pipe 18 after penetrating through the heat exchanger 13, the extending end of the gas second recovery pipe 18 is communicated with the gas inlet end of the water cooler 11, the gas replacement pipe 23 is arranged in the cold water tank 12, the gas inlet end of the gas replacement pipe 23 is communicated with the third cooling branch pipe 21, and the gas outlet end of the gas replacement pipe 23 is communicated with a third gas recovery pipe 22 communicated with the second gas recovery pipe 18;

when the vacuum cooling device is used, the vacuum pump 10 extracts air into the vacuum reflux cavity to control the vacuum degree in the vacuum reflux cavity, the protective gas storage box 9 conveys protective gas into the vacuum reflux cavity, the gas in the vacuum reflux cavity is recovered through the gas first recovery pipe 15 and is cooled through the water cooling machine 11, cold gas is output through the gas output pipe 16 and is respectively conveyed to the first cooling branch pipe 17, the second cooling branch pipe 24 and the third cooling branch pipe 21, and the first cooling branch pipe 17 extends into the cooling system 6 to improve the cooling performance of the cooling system 6; the second cooling branch pipe 24 performs heat replacement on the water recovery pipe 20 through the heat exchanger 13 to reduce the temperature of the water recovery pipe 20 when the water recovery pipe returns to the cold water tank 12; the third cooling branch pipe 21 replaces the temperature in the cold water tank 12 through a gas replacement pipe 23 penetrating through the cold water tank 12 so as to reduce and maintain the temperature of cooling water in the cold water tank 12, and the utilization rate of gas is greatly improved;

meanwhile, after the cold water tank 12 cools the cooling mechanism 14 for cooling the heating plate with water, the water after heat exchange returns to the cold water tank 12 through the water recovery pipe 20, and the cold water tank 12 is air-cooled, thereby realizing a water circulation cooling system 6;

meanwhile, after the second cooling branch pipe 24 and the third cooling branch pipe 21 are respectively treated by the water recovery pipe 20 and the cold water tank 12, the gas is recovered to the water cooling machine 11 through the gas second recovery pipe 18 again for circular treatment, so that a gas cooling circulation system is formed, and the utilization rate of gas and water resources is greatly improved.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A novel control system of a vacuum reflow oven comprises a lower cavity (1), an upper cavity (2), a host (3) arranged in the upper cavity (2), a heating system (5) arranged in the upper cavity (2), a cooling system (6) arranged in the upper cavity (2), a conveying system (4) arranged on the lower cavity (1), a vacuum system (7) arranged in the lower cavity (1) and an exhaust pipe (8) arranged on the upper cavity (2), and is characterized in that the vacuum system (7) comprises a protective gas storage box (9) used for conveying protective gas, a vacuum pump (10) used for controlling a vacuum environment and a water cooling machine (11) used for processing recovered gas, the cooling system (6) comprises a cooling mechanism (14) used for cooling a heating plate and a cold water tank (12) used for providing a water source for the cooling mechanism (14), the lower cavity (1) is communicated with a first gas recovery pipe (15), and gas in the first gas recovery pipe (15) is treated by a water cooler (11) and then is used for gas cooling of the cooling system (6) and heat replacement in the cold water tank (12) respectively.

2. The control system of the novel vacuum reflow oven according to claim 1, wherein the gas outlet end of the water cooling machine (11) is communicated with a gas outlet pipe (16), the extending end of the gas outlet pipe (16) is respectively communicated with a first cooling branch pipe (17), a second cooling branch pipe (24) and a third cooling branch pipe (21) through an electric control valve, the first cooling branch pipe (17) extends into the cooling system (6) of the upper cavity (2), and the third cooling branch pipe (21) penetrates through the cold water tank (12).

3. The control system of the novel vacuum reflow oven according to claim 1, wherein the water outlet end and the water inlet end of the cold water tank (12) are respectively provided with a water-cooling water pipe (19) and a water recovery pipe (20), and the extending ends of the water-cooling water pipe (19) and the water recovery pipe (20) are respectively communicated with the two ends of the cooling mechanism (14).

4. The control system of the novel vacuum reflow oven according to claim 3, wherein a heat exchanger (13) is installed on the water recovery tube (20), a second cooling branch tube (24) penetrates through the heat exchanger (13) to cool water in the water recovery tube (20), the second cooling branch tube (24) penetrates through the heat exchanger (13) and then is communicated with the second gas recovery tube (18), and an extending end of the second gas recovery tube (18) is communicated with a gas inlet end of the water cooler (11).

5. The control system of the novel vacuum reflow oven according to claim 1, wherein a gas replacement pipe (23) is installed in the cold water tank (12), a gas inlet end of the gas replacement pipe (23) is communicated with the third cooling branch pipe (21), and a gas outlet end of the gas replacement pipe (23) is communicated with a third gas recovery pipe (22) communicated with the second gas recovery pipe (18).

6. A novel vacuum reflow oven, characterized by comprising a novel control system of the vacuum reflow oven as claimed in any one of claims 1 to 5.