Three-dimensional oven with good stabilizing effect for circuit board

Abstract

The utility model relates to the technical field of circuit board ovens, in particular to a three-dimensional oven for a circuit board, which is good in stabilizing effect and comprises an oven body, an oven door is arranged at the opening position of the oven body, one end of the oven door is hinged to the end of the oven body through a door hinge, two side plates are arranged in the oven body, and the oven door is hinged to the end of the oven body through a door hinge. The two side plates are symmetrically distributed along the bottom end of the interior of the box body, a first square rod is arranged between the two side plates, the connecting positions of the ends of the first square rod and the side plates are fixed through screws, and the surface of the first square rod is slidably sleeved with a first positioning square sleeve and a first moving square sleeve. When the circuit board needs to be baked, in order to prevent the middle area of the circuit board from being in excessive contact with an internal positioning structure of the baking oven during baking, one end of the circuit board can be positioned and erected through the lower board seat structure, and the vertically-placed upper end of the circuit board can be clamped through the upper board seat structure, so that the circuit board can be conveniently baked. And stable positioning of the circuit board during baking is realized.

Description

TECHNICAL FIELD

[0001] The utility model relates to a circuit board oven technical field especially relates to a three -dimensional oven for circuit board with good stable effect. BACKGROUND

[0002] The circuit board oven (PCB oven) contains various elements, which work together to achieve precise heating and temperature control.

[0003] After searching, like prior art China patent publication "CN211630510U" provides a kind of oven for circuit board, including shell and two opposite settings in the bracket of the shell and respectively setting in the heating pipe of two bracket, the shell is cuboid structure, including horizontally arranged bottom plate, oppositely arranged cover plate on the bottom plate, and two end plates supported between the bottom plate and cover plate, two the end plate is rotatably connected to the bottom plate by first hinge, two the bracket is spaced to form working cavity, two ends of two the bracket are spaced by spacer strip, the side of the cover plate is rotatably connected to corresponding the bracket by second hinge.The utility model structure is simple, and it is convenient to disassemble and maintain, shell is equipped with heat insulating material, reduces heat loss, improves the working environment of staff, reduces environmental pollution, convenient to use, and it is suitable for promotion.

[0004] At present, most of the circuit board oven, when drying and baking circuit board, the placement of circuit board inside, basically with horizontal grid structure as main, but due to grid itself is metal material, there is also heat conduction in oven, part of the processing area of circuit board is more intensive, if with horizontal grid bearing structure is placed, then circuit board will contact more with grid structure, not only appear due to the contact area and cause extrusion problem, at the same time, it is easy to cause hot mark on the surface of circuit board when baking temperature is high, so, in some precise and intensive circuit board blank baking, try to reduce the contact area of positioning structure in oven and its surface. UTILITY MODEL CONTENTS

[0005] The utility model aims at solving the above-mentioned shortcomings in the prior art and provides a three-dimensional oven for circuit board with good stability.

[0006] To achieve the above object, the utility model adopts the following technical scheme:

[0007] The utility model designs a kind of line board with stable effect good three-dimensional oven, including box, the opening position of box is provided with box door, and one end of box door is hingedly connected with the end of box by door hinge, the inside of box is provided with side plate, side plate is provided with two, and symmetrically distributed along the inside bottom end of box, square bar one is arranged between two side plates, and the end of square bar one is fixed with the linking position of side plate by screw, and the surface of square bar one is respectively slidably sleeved with positioning square sleeve one and moving square sleeve one, the upper end of positioning square sleeve one is fixed with bottom positioning seat, the upper end of moving square sleeve one is fixed with bottom moving seat, and bottom positioning seat and bottom moving seat form lower plate seat structure between them;

[0008] The upper end of side plate is provided with threaded column, the lower end of threaded column is welded and fixed with the surface of side plate, the surface of threaded column is slidably sleeved with sliding sleeve, and threaded sleeve is tightly arranged on the upper and lower ends of sliding sleeve, and the inner ring wall of threaded sleeve is threadedly connected with the surface of threaded column;

[0009] A plurality of electric heating tubes are arranged through one side of the box, and the electric heating tubes are fixed to the connecting position of the box by screws.

[0010] Square bar two is arranged between the two sliding sleeves, and the end of square bar two is fixed to the connecting position of the sliding sleeves by screws.

[0011] In detail, the surface of square bar two is slidably sleeved with positioning square sleeve two and moving square sleeve two, the surface of positioning square sleeve two is fixedly wrapped with positioning clamping plate, the surface of moving square sleeve two is fixedly wrapped with moving clamping plate, the positioning clamping plate and the moving clamping plate are of the same specification, and the positioning clamping plate and the moving clamping plate form upper plate seat structure.

[0012] In detail, the surface of the positioning clamping plate is further fixedly penetrated with built-in sleeve, the inside of the built-in sleeve is slidably sleeved with limiting rod, one end of the limiting rod is fixed to the surface of the moving clamping plate by screws, and the end of the limiting rod away from the positioning clamping plate is fixed with anti-dropping block.

[0013] In detail, the surface of the limiting rod is wound with spring, and the two ends of the spring are fixedly assembled with the moving clamping plate and the positioning clamping plate.

[0014] In detail, the surface of the moving clamping plate is fixed with linkage sleeve through support, one end of the bottom moving seat is fixed with linkage rod, and the linkage rod is slidably sleeved with the linkage sleeve.

[0015] In detail, the inner wall of the box is provided with circulating air port, and the inner wall of the circulating air port is fixedly embedded with dust screen.

[0016] In detail, the back of the box is fixed with a cover body, the cover body covers the outward side of the circulating air port, the other end of the cover body is provided with a fan, the air inlet end of the fan is flange butt joint with the other end of the cover body, the air outlet end of the fan is flange butt joint with a wind pipe, a plurality of air nozzles are embedded on the surface of the wind pipe, and the air nozzles are fixedly penetrated through the box.

[0017] The design scheme provided by the utility model has the beneficial effects in the application process that:

[0018] 1. When the circuit board needs to be baked, in order to avoid the middle area of the circuit board from contacting too many internal positioning structures of the oven during baking, the lower plate seat structure can be used to position and stand one end of the circuit board, and the upper plate seat structure can be used to clamp the upper end of the vertically placed circuit board, so that the stable positioning of the circuit board during baking is realized.

[0019] 2. When the circuit board is clamped, the height of the square rod two can be adjusted according to the height of the vertically placed circuit board, the height adjustment can be realized by sliding the sleeve on the threaded column, the sleeve can be in contact with the sleeve by thread butt joint of the upper and lower threaded sleeves and the threaded column, so that the height adjustment of the square rod two is fixed, the synchronous sleeve displacement of the height can be realized by cooperation of the linkage rod and the linkage sleeve, at the same time, the linkage rod can drive the movable clamping plate to move when the bottom moving seat moves, when the circuit board is placed between the bottom positioning seat and the bottom moving seat, the adjustment stability of the interval can be ensured by sliding the movable square sleeve one and the square rod one, so that the lower end of the vertically placed circuit board can be fixed between the two, at the same time, the upper end of the circuit board is placed between the positioning clamping plate and the movable clamping plate, the interval opening or contraction can be realized by sliding the limiting rod and the built-in sleeve, the circuit board can be clamped and positioned by cooperation of the movable clamping plate and the positioning clamping plate after the circuit board is vertically placed, so that only the edge of the circuit board can be positioned during baking, and the stability of the baking process is ensured.

[0020] 3. The air flow can be transported from the air outlet end through the wind pipe by starting the fan, and the air flow can be transported into the box through the plurality of air nozzles, so that the air flow circulation of the baking process in the box is improved, the baking efficiency is improved, the circulating air port can realize the circulation of the air flow, and the hot air flow can be circulated to the fan position through the cover body and then transported into the box again. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a whole structure schematic view of the utility model;

[0022] Figure 2 It is a whole internal side view of the utility model;

[0023] Figure 3It is the whole inside schematic view of the utility model;

[0024] Figure 4 It is the box inside structure schematic view of the utility model;

[0025] Figure 5 It is the A place enlarged schematic view of the utility model.

[0026] In the figure: 1, box;11, side plate;12, square rod one;13, positioning square sleeve one;14, bottom positioning seat;15, moving square sleeve one;16, bottom moving seat;17, threaded column;18, sliding sleeve;19, threaded sleeve;110, electric heating tube;111, box door;2, square rod two;21, positioning square sleeve two;22, positioning clamping plate;23, moving square sleeve two;24, moving clamping plate;25, linkage rod;26, linkage sleeve;2001, limiting rod;2002, built-in sleeve;2003, anti-dropping block;2004, spring;3, circulating air port;31, dust screen;32, cover body;33, fan;34, air pipe;35, air nozzle. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0028] Referring to Figures 1-5 A three-dimensional oven with good stabilizing effect for circuit board, including box 1, the opening position of box 1 is provided with box door 111, one end of box door 111 is hinged with the end of box 1 through door hinge, the inside of box 1 is provided with side plate 11, side plate 11 is provided with two, and is symmetrically distributed along the inside bottom end of box 1, square rod one 12 is arranged between two side plates 11, the end of square rod one 12 is fixed through screw with the connection position of side plate 11, the surface of square rod one 12 is respectively slidably connected with positioning square sleeve one 13 and moving square sleeve one 15, the upper end of positioning square sleeve one 13 is fixed with bottom positioning seat 14, the upper end of moving square sleeve one 15 is fixed with bottom moving seat 16, bottom positioning seat 14 and bottom moving seat 16 form lower plate seat structure between them;

[0029] The upper end of side plate 11 is provided with threaded column 17, the lower end of threaded column 17 is welded and fixed with the surface of side plate 11, the surface of threaded column 17 is slidably connected with sliding sleeve 18, the upper and lower ends of sliding sleeve 18 are both tightly provided with threaded sleeve 19, the inner ring wall of threaded sleeve 19 is threadedly connected with the surface of threaded column 17;

[0030] A plurality of electric heating pipes 110 are arranged through one side of the box body 1, and the connection positions of the electric heating pipes 110 and the box body 1 are fixed by screws. The electric heating pipes 110 are connected with a temperature controller through wires. The temperature controller is usually equipped with temperature sensors such as thermocouples, thermistors or infrared temperature sensors. These sensors can detect the temperature around the electric heating pipes in real time and transmit the temperature signals to the control unit of the temperature controller. After receiving the signals of the temperature sensors, the control unit of the temperature controller compares them with the set temperature value. If the actual temperature is lower than the set value, the temperature controller will automatically turn on the power supply of the electric heating pipes to start heating. If the actual temperature is higher than the set value, the temperature controller will automatically cut off the power supply of the electric heating pipes to stop heating. The temperature controller is usually also equipped with an over-temperature protection function. When the temperature exceeds the set safety value, the temperature controller will automatically cut off the power supply of the electric heating pipes to prevent safety accidents caused by overheating.

[0031] A square rod two 2 is arranged between the two sliding sleeves 18, and the end of the square rod two 2 is fixed with the sliding sleeve 18 by screws.

[0032] It should be further explained that the surface of the square rod two 2 is slidingly sleeved with a positioning square sleeve two 21 and a moving square sleeve two 23, respectively. The surface of the positioning square sleeve two 21 is fixedly wrapped with a positioning clamp plate 22, and the surface of the moving square sleeve two 23 is fixedly wrapped with a moving clamp plate 24. The positioning clamp plate 22 and the moving clamp plate 24 are of the same specification, and the positioning clamp plate 22 and the moving clamp plate 24 form an upper plate seat structure. Through the cooperation of the moving clamp plate 24 and the positioning clamp plate 22, the clamping and positioning of the circuit board when it is placed vertically can be realized.

[0033] It should be further explained that the surface of the positioning clamp plate 22 is also fixedly penetrated with an embedded sleeve 2002, the inside of the embedded sleeve 2002 is slidingly sleeved with a limiting rod 2001, one end of the limiting rod 2001 is fixed on the surface of the moving clamp plate 24 by screws, and the end of the limiting rod 2001 away from the positioning clamp plate 22 is fixed with an anti-dropping block 2003, which can ensure the stability of the relative extension and contraction positions of the positioning clamp plate 22 and the moving clamp plate 24.

[0034] It should be further explained that the surface of the limiting rod 2001 is wound with a spring 2004, and the two ends of the spring 2004 are fixedly assembled with the moving clamp plate 24 and the positioning clamp plate 22, respectively, which can ensure that the moving clamp plate 24 has a reset effect after moving.

[0035] It should be further explained that the surface of the moving clamp plate 24 is fixed with a linkage sleeve 26 through a support, one end of the bottom moving seat 16 is fixed with a linkage rod 25, the linkage rod 25 is slidingly sleeved with the linkage sleeve 26, and the linkage rod 25 cooperates with the linkage sleeve 26 to move synchronously with the moving clamp plate 24 when the bottom moving seat 16 moves. Meanwhile, the linkage rod 25 can move up and down in cooperation with the square rod two 2 when the square rod two 2 is lifted.

[0036] Further need to explain, the inner wall of the box 1 is provided with a circulating air port 3, the inner wall of the circulating air port 3 is fixedly embedded with a dust screen 31, the circulating air port 3 can ensure the circulating flow of hot air flow, thereby reducing the heat loss of the baking process.

[0037] Further need to explain, the back of the box 1 is fixed with a cover 32, the cover 32 covers the outward side of the circulating air port 3, the other end of the cover 32 is provided with a fan 33, the air inlet end of the fan 33 is flange butt joint with the other end of the cover 32, the air outlet end of the fan 33 is flange butt joint with an air pipe 34, the surface of the air pipe 34 is fixedly embedded with a plurality of air nozzles 35, the air nozzles 35 are fixedly penetrated with the box 1, the fan 33 can be used as a circulating airflow structure, so that the hot air used to improve the airflow flow in the box 1 can be recycled.

[0038] Working mode: when the circuit board is clamped, first, according to the height of the vertical placement of the circuit board, the height of the square rod two 2 can be adjusted, the height adjustment can be realized by sliding the sleeve 18 on the threaded column 17, the sleeve 18 is in threaded butt joint with the threaded column 17 through the upper and lower threaded sleeves 19, so that it can be in contact with the sleeve 18, thereby fixing the adjusted height of the square rod two 2, through the cooperation of the linkage rod 25 and the linkage sleeve 26, the synchronous sleeve displacement of the height can be realized, at the same time, the linkage rod 25 can drive the moving clamp plate 24 to move when the bottom moving seat 16 moves, when the circuit board is placed between the bottom positioning seat 14 and the bottom moving seat 16, the adjustment stability of the interval can be ensured by sliding the square sleeve one 15 and the square rod one 12, so that the lower end of the vertically placed circuit board can be fixed between the two, at the same time, the upper end of the circuit board is placed between the positioning clamp plate 22 and the moving clamp plate 24, the interval can be opened or retracted through the sliding of the limiting rod 2001 and the built-in sleeve 2002, through the stretching reset effect of the spring 2004, the circuit board can be clamped and positioned through the cooperation of the moving clamp plate 24 and the positioning clamp plate 22 after being placed vertically, thereby, only the edge of the circuit board can be positioned during baking, ensuring the stability of the baking process;

[0039] Through the start of the fan 33, the airflow can be delivered from the air outlet end through the air pipe 34, and the airflow can be delivered into the box 1 through the plurality of air nozzles 35, thereby improving the airflow circulation of the baking process in the box 1, improving the baking efficiency, the circulating air port 3 can realize the circulating flow of the airflow, the hot airflow can be circulated to the position of the fan 33 through the cover 32, and then delivered into the box 1 again.

[0040] The above merely describes a preferred embodiment of the present application, and the protection scope of the present application is not limited thereto, and any skilled person in the art, according to the technical scheme and the inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A three-dimensional oven for circuit boards with good stability, comprising a housing (1), characterized in that: The opening position of the box body (1) is provided with a box door (111), one end of the box door (111) is hingedly arranged with the end of the box body (1) through a door hinge, the inside of the box body (1) is provided with side plates (11), the side plates (11) are provided with two, and are symmetrically arranged along the inside bottom end of the box body (1), a square rod one (12) is arranged between the two side plates (11), the end of the square rod one (12) is fixed through a screw at the connection position of the side plate (11), the surface of the square rod one (12) is respectively slidably sleeved with a positioning square sleeve one (13) and a moving square sleeve one (15), the upper end of the positioning square sleeve one (13) is fixed with a bottom positioning seat (14), the upper end of the moving square sleeve one (15) is fixed with a bottom moving seat (16), and the bottom positioning seat (14) and the bottom moving seat (16) form a lower plate seat structure. The upper end of the side plate (11) is provided with a threaded column (17), the lower end of the threaded column (17) is welded and fixed with the surface of the side plate (11), the surface of the threaded column (17) is slidably sleeved with a sliding sleeve (18), the upper and lower ends of the sliding sleeve (18) are both tightly provided with threaded sleeves (19), and the inner ring wall of the threaded sleeve (19) is threadedly connected with the surface of the threaded column (17). A plurality of electric heating pipes (110) are arranged through one side of the box body (1), and the electric heating pipes (110) are fixed at the connection position of the box body (1) through screws. A square rod two (2) is arranged between the two sliding sleeves (18), and the end of the square rod two (2) is fixed at the connection position of the sliding sleeve (18) through a screw.

2. The three-dimensional oven with good stabilization effect for a circuit board according to claim 1, characterized in that: The surface of the square rod two (2) is respectively slidably sleeved with a positioning square sleeve two (21) and a moving square sleeve two (23), the surface of the positioning square sleeve two (21) is fixedly wrapped with a positioning clamping plate (22), the surface of the moving square sleeve two (23) is fixedly wrapped with a moving clamping plate (24), the positioning clamping plate (22) and the moving clamping plate (24) are of the same specification, and the positioning clamping plate (22) and the moving clamping plate (24) form an upper plate seat structure.

3. The three-dimensional oven with good stabilization effect for circuit board according to claim 2, characterized in that: The surface of the positioning clamping plate (22) is further fixedly penetrated with an embedded sleeve (2002), a limiting rod (2001) is slidably sleeved in the embedded sleeve (2002), one end of the limiting rod (2001) is fixed on the surface of the moving clamping plate (24) through a screw, and the end, away from the positioning clamping plate (22), of the limiting rod (2001) is fixedly provided with an anti-dropping block (2003).

4. The three-dimensional oven with stable effect for circuit board according to claim 3, characterized in that: The surface of the limiting rod (2001) is wound with a spring (2004), and the two ends of the spring (2004) are fixedly assembled with the moving clamping plate (24) and the positioning clamping plate (22) respectively.

5. The three-dimensional oven for a circuit board with a stable effect according to claim 4, characterized in that: The surface of the moving clamping plate (24) is fixedly provided with a linkage sleeve (26) through a support, one end of the bottom moving seat (16) is fixedly provided with a linkage rod (25), and the linkage rod (25) and the linkage sleeve (26) are slidably sleeved.

6. The three-dimensional oven for a circuit board with a stable effect according to claim 1, characterized in that: A circulating air port (3) is formed in the inner wall of the box body (1), and a dust screen (31) is fixedly embedded in the inner wall of the circulating air port (3).

7. The three-dimensional oven for a circuit board with a stable effect according to claim 6, characterized in that: The back of the box (1) is fixed with cover (32), cover (32) covers the outward side of circulating air port (3), the other end of cover (32) is provided with fan (33), the air inlet end of fan (33) is flange butt joint with the other end of cover (32), the air outlet end of fan (33) is flange butt joint with air pipe (34), a plurality of air nozzles (35) are fixedly embedded on the surface of air pipe (34), and air nozzles (35) are fixedly penetrated in the box (1).

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