CN110856352B

CN110856352B - Circuit board preheating device

Info

Publication number: CN110856352B
Application number: CN201911160143.8A
Authority: CN
Inventors: 贺洪牛; 唐清平; 陶斌
Original assignee: Hunan Dongshen Automation Equipment Co ltd
Current assignee: Hunan Dongshen Automation Equipment Co ltd
Priority date: 2019-11-23
Filing date: 2019-11-23
Publication date: 2021-07-23
Anticipated expiration: 2039-11-23
Also published as: CN110856352A

Abstract

The invention discloses a circuit board preheating device, which belongs to the technical field of circuit boards and comprises a device main body, wherein the outer surface of the device main body is respectively provided with a working panel and a placing door access door, the circuit board preheating device is provided with a first motor, a rotating shaft, a placing frame, a bearing, a placing groove and a clamping piece, when a user uses the device to preheat a circuit board, the user can place the circuit board in the placing groove in the placing frame and clamp and fix the circuit board through the clamping piece, after the circuit board is fixed, when the device heats the circuit board, the user can start the first motor, the placing frame is driven by the rotating shaft to rotate in the heating chamber through the bearing after the first motor is started, so that the outer part of the circuit board is uniformly heated after the circuit board rotates, the local temperature rise caused by nonuniform heating of the circuit board in the heating process is avoided, the temperature is higher and the device is damaged, thereby greatly improving the use effect of the device.

Description

Circuit board preheating device

Technical Field

The invention relates to the technical field of circuit boards, in particular to a circuit board preheating device.

Background

The circuit board has the name: the circuit board makes the circuit miniaturized and visualized, plays an important role in batch production of fixed circuits and optimization of electrical appliance layout, and can be called a printed circuit board or a printed circuit board, and the circuit board pre-heating device is equipment for heating the circuit board.

Current circuit board pre-heating device, when the user uses, often all place the fixed heating on the rack of equipment inside with the circuit board, and this kind of heating method is when the user uses, be difficult to rotate the rack, consequently, cause the circuit board to be heated inadequately evenly, and the local intensification of circuit board is too fast, the temperature is higher, thereby very easily cause the circuit board to take place to damage when heating, thereby influence the result of use of device greatly, and current device is heating the circuit board after, often be difficult to cool down the circuit board and handle, consequently, cause the circuit board to need longer time just can cool off after the heating, thereby lead to the user to wait for longer time and just can take out the circuit board, consequently, user's work efficiency has been influenced greatly.

Disclosure of Invention

The invention aims to provide a circuit board preheating device, which solves the problems that in the background technology, the placing frame is difficult to rotate, so that the circuit board is unevenly heated, the local temperature rise is too fast, the temperature is higher, the circuit board is easy to damage, the use effect of the device is influenced, the circuit board is difficult to rapidly cool, a user needs to wait for a longer time to take out the circuit board, and the work efficiency of the user is influenced.

In order to achieve the purpose, the invention provides the following technical scheme: a preheating device for a circuit board comprises a device main body, wherein a working panel and a placement door access door are respectively installed on the outer surface of the device main body, bottom wheels are installed at four corners of the bottom of the device main body, connecting plates are arranged on one sides of the four bottom wheels, the tops of a plurality of connecting plates are connected with the device main body, an air cylinder is installed on one side of each connecting plate, the output end of each air cylinder is connected with a piston rod, one end of each piston rod is connected with a brake pad, two air dispersing grids are arranged above one side of the device main body, a heating chamber and a working chamber are respectively arranged inside the device main body, the heating chamber and the working chamber are connected through a second ventilation net, a heat insulation box is connected to one side of the heating chamber, a first motor is installed inside the heat insulation box, the output end of the first motor is connected with a rotating shaft, one end of the rotating shaft extends to the outside of the heat insulation box and is connected with a placement rack, one side of rack is connected with the heating chamber through the bearing, a plurality of standing grooves have been seted up to the inside of rack, and is a plurality of the both sides of standing groove all are connected with the clamping piece, the inside both sides of studio all are connected with the slide bar, install the sliding door in the middle of one side of device main part, one side of sliding door is connected with the heating pipe that extends to the studio is the one end that the sliding door was kept away from to the heating pipe is connected with the connecting piece, the top and the bottom of connecting piece all are connected with the slide bar through the slider, the second motor is installed to the inside below of studio, the output of second motor is connected with the flabellum, the top of second motor is provided with first ventilation net, set up the air intake that extends to the studio in the middle of the bottom of device main part, the top of air intake is provided with the dust screen.

Preferably, place door and access door and form by the stainless steel material preparation, just place door and access door and all be connected through hinge and device main part rotation.

Preferably, the working panel is electrically connected with the cylinder, the first motor, the heating pipe and the second motor respectively.

Preferably, the size of the dust screen is larger than that of the air inlet, and two sides of the bottom of the dust screen are connected with the working chamber.

Preferably, the first ventilation net is made of stainless steel materials, and two sides of the first ventilation net are welded with the working chamber.

Preferably, the outer surfaces of the two sliding rods are smooth, and the sliding blocks are connected with the sliding rods in a sliding mode.

Preferably, one side of the placing frame is rotatably connected with the heating chamber through a bearing.

Preferably, a plurality of the brake pads all are the arc, and a plurality of one side of brake pad all is with return pulley looks adaptation, and a plurality of one side bonding of brake pad has rubber.

Preferably, each air dispersing grid is arranged in a straight line shape, and the plurality of placing grooves are equidistantly distributed in the placing rack.

Compared with the prior art, the invention has the following beneficial effects:

1. this kind of circuit board preheating device, be provided with first motor, the apparatus further comprises a rotating shaft, the rack, a bearing, standing groove and clamping piece, when the user preheats the circuit board using this kind of apparatus, the user can place the circuit board in the standing groove of rack, and press from both sides tight fixedly to the circuit board through the clamping piece, after the circuit board is fixed, the apparatus is when heating the circuit board, the user can start first motor, it is rotatory at the inside of heating chamber through the bearing to make first motor drive the rack through the pivot after starting, so that carry out even heating to the outside of circuit board after making the circuit board rotatory, avoid the circuit board to cause the local intensification too fast because of being heated inhomogeneously in the heating process, the temperature is higher and damage, thereby improve the result of use of device greatly.

2. The circuit board pre-heating device is also provided with an air dispersing grid, a ventilation net, a second motor, fan blades, an air inlet and a dust screen, when a user uses the device to heat a circuit board, the user can close a heating pipe and enable the second motor to continue working, so that the second motor drives the fan blades to rotate when working, cold air outside the device is driven to enter the inside of a working chamber through the air inlet and enter the inside of a heating chamber through the first ventilation net and the second ventilation net after the fan blades rotate, and hot air in the heating chamber can be discharged through the air dispersing grid after the cold air enters the inside of the heating chamber, so that the circuit board is cooled rapidly, the waiting time of the user is shortened, and the working efficiency of the user is greatly improved.

Drawings

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

FIG. 2 is a schematic view of the internal structure of the device body according to the present invention;

FIG. 3 is an enlarged view of a portion of the structure of the present invention A;

FIG. 4 is a schematic view of a portion of the brake pad of the present invention.

In the figure: 1. a device main body; 2. a working panel; 3. placing a door; 4. air dispersing grids; 5. an access door; 6. a bottom wheel; 7. a connecting plate; 8. a cylinder; 9. a piston rod; 10. a brake pad; 11. sliding the door; 12. a first motor; 13. a heat insulation box; 14. a heating chamber; 15. a rotating shaft; 16. placing a rack; 17. a bearing; 18. a connecting member; 19. a slider; 20. heating a tube; 21. a slide bar; 22. a first ventilation net; 23. a second motor; 24. a fan blade; 25. an air inlet; 26. a dust screen; 27. a working chamber; 28. a placement groove; 29. a clamping member; 30. a second ventilation network.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "disposed," "mounted," "connected," "secured," "sleeved," and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the two elements can be directly connected or indirectly connected through an intermediate medium, and the two elements can be communicated with each other or the two elements can interact with each other, so that the specific meaning of the terms in the invention can be understood according to specific situations by a person skilled in the art.

Referring to fig. 1-4, the present invention provides the following technical solutions: a circuit board pre-heating device comprises a device body 1, a working panel 2, a placing door 3, an air dispersing grid 4, an access door 5, bottom wheels 6, a connecting plate 7, an air cylinder 8, a piston rod 9, a brake pad 10, a sliding door 11, a first motor 12, a heat insulation box 13, a heating chamber 14, a rotating shaft 15, a placing frame 16, a bearing 17, a connecting piece 18, a sliding block 19, a heating pipe 20, a sliding rod 21, a first ventilation net 22, a second motor 23, fan blades 24, an air inlet 25, a dust screen 26, a working chamber 27, a placing groove 28, a clamping piece 29 and a second ventilation net 30, wherein the working panel 2 and the access door 5 for placing the door 3 are respectively installed on the outer surface of the device body 1, the bottom wheels 6 are respectively installed at four corners of the bottom of the device body 1, the connecting plates 7 are arranged on one side of the four bottom wheels 6, the tops of the connecting plates 7 are connected with the device body 1, the air cylinder 8 is installed on one side of the connecting plates 7, the output end of the cylinder 8 is connected with a piston rod 9, one end of the piston rod 9 is connected with a brake pad 10, two air dispersing grids 4 are arranged above one side of the device main body 1, a heating chamber 14 and a working chamber 27 are respectively arranged inside the device main body 1, the heating chamber 14 is connected with the working chamber 27 through a second ventilation net 30, one side of the heating chamber 14 is connected with a heat insulation box 13, a first motor 12 is arranged inside the heat insulation box 13, the output end of the first motor 12 is connected with a rotating shaft 15, one end of the rotating shaft 15 extends to the outside of the heat insulation box 13 and is connected with a placing frame 16, one side of the placing frame 16 is connected with the heating chamber 14 through a bearing 17, a plurality of placing grooves 28 are arranged inside the placing frame 16, clamping members 29 are connected to two sides of the plurality of placing grooves 28, and slide bars 21 are connected to two sides inside the working chamber 27, install sliding door 11 in the middle of one side of device main part 1, one side of sliding door 11 is connected with the heating pipe 20 that extends to the inside of studio 27, is heating pipe 20 keeps away from the one end of sliding door 11 and is connected with connecting piece 18, the top and the bottom of connecting piece 18 all are connected with slide bar 21 through slider 19, second motor 23 is installed to the inside below of studio 27, the output of second motor 23 is connected with flabellum 24, the top of second motor 23 is provided with first ventilation net 22, set up in the middle of the bottom of device main part 1 and extend to the inside air intake 25 of studio 27, the top of air intake 25 is provided with dust screen 26, and dust screen 26's setting can avoid external dust to pass through the inside that air intake 25 got into studio 27.

Referring to fig. 1, 2 and 4, the placing door 3 and the access door 5 are made of stainless steel material, and the placing door 3 and the access door 5 are rotatably connected with the device main body 1 through hinges, the stainless steel can prolong the service life of the placing door 3 and the access door 5, the placing door 3 and the access door 5 are prevented from being damaged after long-time use, and a user can place the circuit board in the placing groove 28 with the placing door 3, and the access door 5 is opened, the user can conveniently clean the components in the working chamber 27, the working panel 2 is respectively electrically connected with the cylinder 8, the first motor 12, the heating pipe 20 and the second motor 23, so that a user can start the cylinder 8, the first motor 12, the heating pipe 20 and the second motor 23 through the working panel 2, thereby enabling the cylinder 8, the first motor 12, the heating pipe 20 and the second motor 23 to operate normally.

Referring to fig. 2 and 3, the size of the dust screen 26 is larger than that of the air inlet 25, and both sides of the bottom of the dust screen 26 are connected to the working chamber 27, so that the dust screen 26 can filter the air flow passing through the air inlet 25, and prevent dust from entering the working chamber 27 along with the air flow passing through the air inlet 25, the first ventilation screen 22 is made of a stainless steel material, and both sides of the first ventilation screen 22 are welded to the working chamber 27, so that the connection strength between the first ventilation screen 22 and the working chamber 27 is increased, and the stainless steel can increase the service life of the first ventilation screen 22.

Referring to fig. 2, the outer surfaces of the two slide bars 21 are smooth, and the slide blocks 19 are slidably connected to the slide bars 21, so as to reduce the friction between the slide bars 21 and the slide blocks 19, so that the slide blocks 19 can slide rapidly on the outer surfaces of the slide bars 21, one side of the rack 16 is rotatably connected to the heating chamber 14 through the bearing 17, and the first motor 12 can drive the rack 16 to rotate rapidly inside the heating chamber 14 through the bearing 17 by the rotating shaft 15.

Referring to fig. 1 to 4, the plurality of brake pads 10 are arc-shaped, one side of the plurality of brake pads 10 is adapted to the bottom wheel 6, rubber is adhered to one side of the plurality of brake pads 10, so that the brake pads 10 are more attached to the bottom wheel 6, the rubber can increase the friction force between the brake pads 10 and the bottom wheel 6, each air dispersing grid 4 is arranged in a shape of a straight line, the plurality of placement grooves 28 are equidistantly distributed inside the placement frame 16, so that the hot air in the heating chamber 14 can be conveniently discharged through the air dispersing grids 4, and the placement grooves 28 can be used for a user to place a plurality of circuit boards in the placement grooves 28.

The working principle is as follows: when a user uses the circuit board preheating device, the device body 1 is pushed into a workshop through the bottom wheel 6 and is connected with an external power supply, after the power supply is connected, the user can start the air cylinder 8 through the working panel 2, so that the air cylinder 8 pushes the piston rod to drive the brake pad 10 to be contacted with the bottom wheel 6, so as to brake the movable wheel 6, after the device body 1 is stably placed, the user can open the placing door 3, place the circuit board in the placing groove 28 and clamp and fix the circuit board through the clamping piece 29, after the circuit board is fixed, the user can simultaneously start the first motor 12, the heating pipe 20 and the second motor 23 through the working panel 2, so that the second motor 23 drives the fan blades 24 to rotate after being started, so that air heated by the heating pipe 14 is blown into the heating chamber 14 through the second ventilation net 30, and after the first motor 12 is started, the placing frame 16 can be driven by the rotating shaft 15 to rotate in the heating chamber 14, therefore, the circuit board is uniformly heated, after the heating of the circuit board is finished, a user can close the heating pipe 20 and enable the second motor 23 to continuously work, so that the second motor 23 drives the fan blades 24 to rotate and then the cold air outside the device main body 1 enters the inside of the working chamber 27 through the air inlet 25 and enters the inside of the heating chamber 14 through the first ventilation net 22 and the second ventilation net 30, so that the cold air enters the inside of the heating chamber 14 and then the hot air in the heating chamber 14 is discharged through the air dissipation grid 4, and finally after the use of the device is finished, the user can pull the sliding door 11, so that the sliding door 11 drives the heating pipe 20 to slide on the outer surface of the sliding rod 21 through the connecting piece 18 and the sliding block 19, so that the heating pipe 20 slides out of the inside of the device main body 1, and the heating pipe 20 is maintained and cleaned.

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. A circuit board preheating device comprising a device main body (1), characterized in that: the device is characterized in that a working panel (2), a placing door (3) and an access door (5) are respectively installed on the outer surface of the device main body (1), bottom wheels (6) are respectively installed at four corners of the bottom of the device main body (1), connecting plates (7) are arranged on one sides of the four bottom wheels (6), the tops of the connecting plates (7) are connected with the device main body (1), an air cylinder (8) is installed on one side of each connecting plate (7), the output end of each air cylinder (8) is connected with a piston rod (9), one end of each piston rod (9) is connected with a brake pad (10), two air dispersing grids (4) are arranged above one side of the device main body (1), a heating chamber (14) and a working chamber (27) are respectively arranged inside the device main body (1), and the heating chamber (14) and the working chamber (27) are connected through a second ventilation net (30), one side of the heating chamber (14) is connected with a heat insulation box (13), a first motor (12) is arranged inside the heat insulation box (13), the output end of the first motor (12) is connected with a rotating shaft (15), one end of the rotating shaft (15) extends to the outside of the heat insulation box (13) and is connected with a placing frame (16), one side of the placing frame (16) is connected with the heating chamber (14) through a bearing (17), a plurality of placing grooves (28) are formed inside the placing frame (16), clamping pieces (29) are connected to two sides of each placing groove (28), sliding rods (21) are connected to two sides of the inside of the working chamber (27), a sliding door (11) is installed in the middle of one side of the device main body (1), one side of the sliding door (11) is connected with a heating pipe (20) extending to the inside of the working chamber (27), and one end, far away from the sliding door (11), of the heating pipe (20) is connected with a connecting piece (18), the top and the bottom of connecting piece (18) all are connected with slide bar (21) through slider (19), second motor (23) are installed to the inside below of studio (27), the output of second motor (23) is connected with flabellum (24), the top of second motor (23) is provided with first ventilation net (22), set up air intake (25) that extend to studio (27) inside in the middle of the bottom of device main part (1), the top of air intake (25) is provided with dust screen (26).

2. The apparatus of claim 1, wherein: place door (3) and access door (5) and form by the stainless steel material preparation, just place door (3) and access door (5) and all rotate with device main part (1) through the hinge and be connected.

3. The apparatus of claim 1, wherein: the working panel (2) is respectively electrically connected with the cylinder (8), the first motor (12), the heating pipe (20) and the second motor (23).

4. The apparatus of claim 1, wherein: the size of the dust screen (26) is larger than that of the air inlet (25), and two sides of the bottom of the dust screen (26) are connected with the working chamber (27).

5. The apparatus of claim 1, wherein: the first ventilation net (22) is made of stainless steel materials, and two sides of the first ventilation net (22) are welded with the working chamber (27).

6. The apparatus of claim 1, wherein: the outer surfaces of the two sliding rods (21) are smooth, and the sliding blocks (19) are connected with the sliding rods (21) in a sliding mode.

7. The apparatus of claim 1, wherein: one side of the placing frame (16) is rotatably connected with the heating chamber (14) through a bearing (17).

8. The apparatus of claim 1, wherein: it is a plurality of brake pad (10) all are the arc, and are a plurality of one side of brake pad (10) all with return pulley (6) looks adaptation, and is a plurality of one side bonding of brake pad (10) has rubber.

9. The apparatus of claim 1, wherein: each air dispersing grid (4) is arranged in a straight line shape, and the plurality of placing grooves (28) are equidistantly distributed in the placing rack (16).