CN213841625U

CN213841625U - Special oven for circuit board

Info

Publication number: CN213841625U
Application number: CN202023161307.XU
Authority: CN
Inventors: 孙彬; 祁国战; 王斌年; 苏蕾; 王天明
Original assignee: Gansu Hangling Electronic Technology Co ltd
Current assignee: Gansu Hangling Electronic Technology Co ltd
Priority date: 2020-12-24
Filing date: 2020-12-24
Publication date: 2021-07-30
Anticipated expiration: 2030-12-24

Abstract

The utility model discloses a special oven of circuit board, connect in the sealed lid of box including box and opening and shutting, the box is connected with the air heater, is connected with the runner assembly in the box, the runner assembly is connected with the power supply, and the runner assembly is connected with supporting component, the supporting component is connected with the clamping component who is used for the clamping circuit board. The utility model discloses a set up air heater and runner assembly, can improve the drying efficiency to the circuit board to make the hot-blast more even that blows to the circuit board.

Description

Special oven for circuit board

Technical Field

The utility model belongs to circuit board processing field, concretely relates to special oven of circuit board.

Background

Printed circuit board, also known as printed circuit board, is the provider of electronic components electrical connection, but carries out the preparation of PCB printed circuit board and accomplishes the back, needs to carry out stoving work to PCB printed circuit board, just can install PCB printed circuit board inside the equipment after the stoving and use, and ordinary drying equipment drying efficiency is slow, therefore people have designed circuit board drying equipment.

However, the existing circuit board drying device also has the problems of inconvenience in drying the back surface of the PCB and low drying efficiency.

Therefore, it is very necessary to invent a circuit board drying apparatus.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a special oven of circuit board to improve the drying efficiency and the oven-dry mass of circuit board.

In order to solve the above problems existing in the prior art, the utility model discloses the technical scheme who adopts is:

the utility model provides a special oven of circuit board, includes the box and opens and shuts and connect in the sealed lid of box, the box is connected with the air heater, is connected with the runner assembly in the box, the runner assembly is connected with the power supply, and the runner assembly is connected with supporting component, the supporting component is connected with the clamping component who is used for pressing from both sides tight circuit board.

Through setting up air heater and rotating assembly, can improve the drying efficiency to the circuit board to make the hot-blast more even that blows to the circuit board.

Furthermore, the rotating assembly comprises a rotating shaft, wherein one end of the rotating shaft is connected with a chassis, and the axis of the chassis is collinear with the axis of the rotating shaft.

Further, still including locating a plurality of supporting rollers of box inside, it is a plurality of supporting roller's support end all connects in the bottom half, and supporting roller's roll end and chassis butt through setting up supporting roller and chassis, at pivot pivoted in-process, and supporting roller supports the chassis for rotating assembly's rotation is more smooth and easy.

Further, the power supply includes the motor, the casing of motor is connected in the box, and the axle head of motor is connected in the pivot, can be connected through multiple mode between motor and the pivot, for example gear train, belt pulley group or shaft coupling drive the pivot through the motor and rotate, can guarantee that the pivot has continuous power, through the gear train transmission between the two, can adjust the drive ratio through the gear train, and then the rotational speed of control pivot.

Furthermore, the rotating shaft is vertically arranged, the top end of the rotating shaft penetrates out of the box body, the rotating shaft is of a two-section structure, the supporting component is connected to one section of the rotating shaft during installation, then the section provided with the supporting component is placed into the box body, the other section of the rotating shaft penetrates through the top of the box body, and the two sections of the rotating shaft are welded inside the box body to form the rotating shaft.

Further, the supporting component includes the supporting disk, supporting disk and pivot fixed connection, the axis collineation of the axis of supporting disk and pivot, the supporting disk are equipped with a plurality of spacing holes that are used for passing clamping component, and are a plurality of the axis of spacing hole use the supporting disk is central symmetric distribution as the center, through setting up the supporting disk to connect clamping component on the spacing hole of supporting disk, can carry out the clamping to the circuit board.

Furthermore, spacing hole is rectangular form, and the axis of the directional supporting disk of the longer one end in spacing hole, the supporting disk is equipped with a plurality of ventilation holes.

Further, the supporting disk is equipped with threely, and three supporting disk distributes along the axis direction of pivot, through setting up three supporting disk, can load more circuit boards, improves drying efficiency, the air heater is equipped with threely, and air heater and supporting disk one-to-one set up, and during operation, every air heater corresponds a supporting disk, and every air heater is responsible for weathering the circuit board on one of them supporting disk.

Further, clamping component corresponds the setting with spacing hole, and clamping component includes fixed unit and mobile unit, fixed unit includes dead lever, spring and two fixed blocks, two the fixed block is all connected in the downside of supporting disk, the dead lever is connected between two fixed blocks, and the dead lever is located the below in spacing hole and the axis of directional pivot, the spring cup joints in the dead lever, the mobile unit includes the sliding block, the sliding block passes spacing hole, and the lower extreme of sliding block cup joints in the dead lever.

Furthermore, the sliding block is arranged at one end of the spring close to the rotating shaft.

Furthermore, the fixing unit is used for clamping the moving unit, and the moving unit is used for clamping the circuit board.

Further, the sliding block includes removal section, linkage segment and spacing section, remove section and spacing section and connect respectively in the both ends of linkage segment, remove the section and cup joint in the dead lever, the spring butt in removing the section, the linkage segment passes spacing hole, spacing section is used for spacing to the circuit board.

Furthermore, the removal section is equipped with the removal hole, the dead lever passes the removal hole, through setting up the sliding block, utilizes the sliding block to carry out the clamping to the circuit board, convenient operation when getting put the circuit board, only need manual pulling sliding block can, because the particularity of sliding block structure adds man-hour, is connected the linkage segment with spacing section earlier, passes spacing hole with the linkage segment again, will remove the section at last and be connected with the linkage segment.

Furthermore, the fixed rod is connected with the fixed blocks through threads, the fixed blocks are connected to the supporting plate firstly during connection, the spring and the moving section are arranged between the two fixed blocks, and finally the fixed rod is connected with the fixed blocks and penetrates through the spring and the moving hole.

Furthermore, the clamping assembly also comprises a sleeve, the sleeve is sleeved on the rotating shaft and connected with the upper side of the supporting disk, the sleeve is provided with a plurality of first limiting grooves, the plurality of first limiting grooves and the plurality of second limiting grooves are arranged in a one-to-one correspondence manner, one side of the limiting section close to the rotating shaft is connected with a supporting section, the limiting section and the supporting section are both provided with a second limiting groove, the outer ring of the sleeve is in a step shape with a small upper part and a big lower part, the first limit groove and the second limit groove are both in an L shape, the first limiting groove and the second limiting groove are arranged, one first limiting groove and one second limiting groove support one circuit board together, two ends of the circuit board are clamped into the first limiting groove and the second limiting groove respectively, the stability of the support is ensured, and the circuit board is vertically placed, so that two sides of the circuit board can be simultaneously dried, and the drying efficiency and the drying quality are improved.

Further, the box still is equipped with the air outlet, the air outlet is located one side that the air heater was kept away from to runner assembly, still includes first filter screen and second filter screen, the air intake of air heater is located to first filter screen, the air outlet is located to the second filter screen, through setting up first filter screen, filters the air that gets into the box, guarantees the inside cleanness of box, through setting up the second filter screen, avoids dust to get into the box by the air outlet.

The utility model has the advantages that:

(1) the utility model discloses a set up air heater and runner assembly, can improve the drying efficiency to the circuit board to make the hot-blast more even that blows to the circuit board.

(2) The utility model discloses a set up supporting roller and chassis, at pivot pivoted in-process, supporting roller supports the chassis for rotating assembly's rotation is more smooth and easy.

(3) The utility model discloses a set up first spacing groove and second spacing groove, a first spacing groove supports a circuit board with a second spacing groove jointly, blocks into first spacing groove and second spacing groove respectively with the both ends of circuit board, has guaranteed the stationarity of support to the circuit board is vertical to be placed, makes the circuit board both sides dry simultaneously, has improved drying efficiency and oven-dry mass.

(4) The utility model discloses a set up first filter screen, filter the air that gets into the box, guarantee the inside clean of box, through setting up the second filter screen, avoid dust to get into the box by the air outlet.

Drawings

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

FIG. 2 is a perspective view of FIG. 1;

FIG. 3 is a schematic view of the internal structure of FIG. 1;

FIG. 4 is a schematic structural diagram of the rotating assembly of FIG. 3;

FIG. 5 is a first schematic view of the clamping assembly of FIG. 4;

FIG. 6 is a second schematic structural view of the clamping assembly of FIG. 4;

FIG. 7 is a schematic view of the sleeve of FIG. 5;

FIG. 8 is a schematic structural diagram of the slider shown in FIG. 7.

1-sealing cover; 2-a box body; 3-a hot air blower; 4-a first screen; 5-a second filter screen; 6, a motor; 7-gear set; 8-bearing seats; 9-a rotating shaft; 10-a support disk; 11-a vent hole; 12-a limiting hole; 13-a sleeve; 131-a first limiting groove; 14-a slider; 141-a second limit groove; 142-a connecting segment; 143-a moving section; 144-a moving aperture; 145-a limiting section; 146-a support section; 15-fixing block; 16-a spring; 17-a fixation rod; 18-a chassis; 19-supporting the rollers.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings and reference numerals.

In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

The terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.

Example 1:

as shown in fig. 1-3, the oven dedicated for circuit board comprises a box body 2 and a sealing cover 1 connected to the box body 2 in an opening and closing manner, wherein the box body 2 is connected with an air heater 3, a rotating assembly is connected in the box body 2, the rotating assembly is connected with a power source, the rotating assembly is connected with a supporting assembly, and the supporting assembly is connected with a clamping assembly for clamping the circuit board.

Through setting up air heater 3 and rotating assembly, can improve the drying efficiency to the circuit board to make the hot-blast more even that blows to the circuit board.

Example 2:

as shown in fig. 1-8, the oven dedicated for circuit board comprises a box body 2 and a sealing cover 1 connected to the box body 2 in an opening and closing manner, wherein the box body 2 is connected with an air heater 3, a rotating assembly is connected in the box body 2, the rotating assembly is connected with a power source, the rotating assembly is connected with a supporting assembly, and the supporting assembly is connected with a clamping assembly for clamping the circuit board.

The rotating assembly comprises a rotating shaft 9, wherein one end of the rotating shaft 9 is connected with a chassis 18, and the axis of the chassis 18 is collinear with the axis of the rotating shaft 9.

The box body is characterized by further comprising a plurality of supporting rollers 19 arranged inside the box body 2, the supporting rollers 19 are all connected to the bottom of the box body 2, and the supporting rollers 19 are in rolling connection with the chassis 18.

Through the arrangement of the supporting rollers 19 and the chassis 18, in the rotating process of the rotating shaft 9, the supporting rollers 19 support the chassis 18, so that the rotating assembly can rotate more smoothly.

The power source comprises a motor 6, a shell of the motor 6 is connected to the box body 2, and the shaft end of the motor 6 is connected to the rotating shaft 9.

The motor 6 and the rotating shaft 9 can be connected in various ways, such as a gear set 7, a belt pulley set or a coupling.

The motor 6 drives the rotating shaft 9 to rotate, the rotating shaft 9 can be guaranteed to have continuous power, transmission is achieved through the gear set 7 between the motor and the rotating shaft, the transmission ratio can be adjusted through the gear set 7, and then the rotating speed of the rotating shaft 9 is controlled.

The rotating shaft 9 is vertically arranged, and the top end of the rotating shaft 9 penetrates out of the box body 2.

The rotating shaft 9 is of a two-section structure, during installation, the supporting component is connected to one section, then the section provided with the supporting component is placed into the box body 2, the other section penetrates through the top of the box body 2, and the two sections are welded inside the box body 2 to form the rotating shaft 9.

Due to the structural particularity of the rotating shaft 9, the installation is complicated, and besides the structure and the installation mode, the rotating shaft 9 can also firstly penetrate through the box body 2, and then the supporting component and the chassis 18 can be welded on the part of the rotating shaft 9 positioned in the box body 2.

The supporting component comprises a supporting disk 10, the supporting disk 10 is fixedly connected with a rotating shaft 9, the axis of the supporting disk 10 is collinear with the axis of the rotating shaft 9, the supporting disk 10 is provided with a plurality of limiting holes 12 used for penetrating through the clamping component, and the limiting holes 12 are distributed in a central symmetrical mode by taking the axis of the supporting disk 10 as the center.

Through setting up supporting disk 10 to connect clamping components on the spacing hole 12 of supporting disk 10, can carry out the clamping to the circuit board.

The limiting hole 12 is long, and the longer end of the limiting hole 12 points to the axis of the supporting disk 10.

The support plate 10 is provided with a plurality of ventilation holes 11.

The number of the supporting disks 10 is three, and the three supporting disks 10 are distributed along the axis direction of the rotating shaft 9.

Through setting up three supporting disk 10, can load more circuit boards, improve drying efficiency.

The number of the air heaters 3 is three, and the air heaters 3 and the supporting discs 10 are arranged in a one-to-one correspondence mode.

When the hot air blower fan works, each hot air blower 3 corresponds to one supporting plate 10, and each hot air blower 3 is responsible for drying the circuit board on one supporting plate 10.

The clamping assembly is arranged corresponding to the limiting hole 12 and comprises a fixing unit and a moving unit.

The fixing unit comprises a fixing rod 17, a spring 16 and two fixing blocks 15, the fixing blocks 15 are connected to the lower side of the supporting disc 10, the fixing rod 17 is connected between the two fixing blocks 15, the fixing rod 17 is arranged below the limiting hole 12 and points to the axis of the rotating shaft 9, and the spring 16 is sleeved on the fixing rod 17.

The moving unit comprises a sliding block 14, the sliding block 14 penetrates through the limiting hole 12, and the lower end of the sliding block 14 is sleeved on the fixing rod 17.

The sliding block 14 is arranged at one end of the spring 16 close to the rotating shaft 9.

The fixing unit is used for clamping the moving unit, and the moving unit is used for clamping the circuit board.

The sliding block 14 includes a moving section 143, a connecting section 142 and a limiting section 145, the moving section 143 and the limiting section 145 are respectively connected to two ends of the connecting section 142, the moving section 143 is sleeved on the fixing rod 17, the spring 16 abuts against the moving section 143, the connecting section 142 passes through the limiting hole 12, and the limiting section 145 is used for limiting the circuit board.

The moving section 143 is provided with a moving hole 144, and the fixing lever 17 passes through the moving hole 144.

Through setting up sliding block 14, utilize sliding block 14 to carry out the clamping to the circuit board, convenient operation when putting the circuit board, only need manual pulling sliding block 14 can.

Due to the structural particularity of the sliding block 14, during the machining process, the connecting section 142 is connected with the limiting section 145, the connecting section 142 penetrates through the limiting hole 12, and finally the moving section 143 is connected with the connecting section 142.

The fixing rod 17 is connected with the fixing block 15 through threads, when the fixing rod 17 is connected with the fixing block 15, the fixing block 15 is connected with the supporting plate 10, the spring 16 and the moving section 143 are arranged between the two fixing blocks 15, and finally the fixing rod 17 is connected with the fixing block 15, and the fixing rod 17 penetrates through the spring 16 and the moving hole 144.

The clamping assembly further comprises a sleeve 13, the sleeve 13 is sleeved on the rotating shaft 9, the sleeve 13 is connected to the upper side of the supporting plate 10, the sleeve 13 is provided with a plurality of first limiting grooves 131, and the plurality of first limiting grooves 131 and the plurality of second limiting grooves 141 are arranged in a one-to-one correspondence manner.

One side of the limiting section 145 close to the rotating shaft 9 is connected with a supporting section 146, and both the limiting section 145 and the supporting section 146 are provided with a second limiting groove 141.

The outer ring of the sleeve 13 is in a step shape with a small upper part and a large lower part, and the first limiting groove 131 and the second limiting groove 141 are both in an L shape.

Through setting up first spacing groove 131 and second spacing groove 141, a first spacing groove 131 supports a circuit board with a second spacing groove 141 jointly, blocks into first spacing groove 131 and second spacing groove 141 respectively with the both ends of circuit board, has guaranteed the stationarity of supporting to the circuit board is vertical to be placed, makes circuit board both sides dry simultaneously, has improved drying efficiency and oven-dry mass.

The box body 2 is also provided with an air outlet, and the air outlet is arranged on one side of the rotating assembly, which is far away from the air heater 3.

Still include first filter screen 4 and second filter screen 5, first filter screen 4 is located the air intake of air heater 3, the air outlet is located to second filter screen 5.

Through setting up first filter screen 4, filter the air that gets into box 2, guarantee the inside clean of box 2, through setting up second filter screen 5, avoid dust to get into box 2 by the air outlet.

The present invention is not limited to the above-mentioned optional embodiments, and any other products in various forms can be obtained by anyone under the teaching of the present invention, and any changes in the shape or structure thereof, all the technical solutions falling within the scope of the present invention, are within the protection scope of the present invention.

Claims

1. The utility model provides a special oven of circuit board which characterized in that: include box (2) and open and shut and connect in sealed lid (1) of box (2), box (2) are connected with air heater (3), and box (2) in-connection has a rotating assembly, rotating assembly is connected with the power supply, and rotating assembly is connected with supporting component, supporting component is connected with the tight subassembly of clamp that is used for pressing from both sides tight circuit board.

2. The oven dedicated to circuit boards of claim 1, characterized in that: the rotating assembly comprises a rotating shaft (9), wherein one end of the rotating shaft (9) is connected with a chassis (18), and the axis of the chassis (18) is collinear with the axis of the rotating shaft (9).

3. The oven dedicated to circuit boards of claim 2, characterized in that: the box body (2) is internally provided with a plurality of supporting rollers (19), the supporting ends of the supporting rollers (19) are connected to the bottom of the box body (2), and the rolling ends of the supporting rollers (19) are abutted to the chassis (18).

4. The oven dedicated to circuit boards of claim 2, characterized in that: the power supply includes motor (6), the casing of motor (6) is connected in box (2), and the axle head of motor (6) is connected in pivot (9), the vertical setting of pivot (9), the top of pivot (9) is worn out by box (2).

5. The oven dedicated to circuit boards of claim 2, characterized in that: the supporting component comprises a supporting disk (10), the supporting disk (10) is fixedly connected with a rotating shaft (9), the axis of the supporting disk (10) is collinear with the axis of the rotating shaft (9), the supporting disk (10) is provided with a plurality of limiting holes (12) used for penetrating through the clamping component, and the limiting holes (12) are distributed in a central symmetrical mode by taking the axis of the supporting disk (10) as the center.

6. The oven dedicated to circuit boards of claim 5, characterized in that: the limiting hole (12) is long-strip-shaped, and the longer end of the limiting hole (12) points to the axis of the supporting plate (10).

7. The oven dedicated to circuit boards of claim 6, characterized in that: the clamping assembly is arranged corresponding to the limiting hole (12) and comprises a fixing unit and a moving unit;

the fixing unit comprises a fixing rod (17), a spring (16) and two fixing blocks (15), the two fixing blocks (15) are connected to the lower side of the supporting disc (10), the fixing rod (17) is connected between the two fixing blocks (15), the fixing rod (17) is arranged below the limiting hole (12) and points to the axis of the rotating shaft (9), and the spring (16) is sleeved on the fixing rod (17);

the mobile unit comprises a sliding block (14), the sliding block (14) penetrates through the limiting hole (12), and the lower end of the sliding block (14) is sleeved on the fixing rod (17).

8. The oven dedicated to circuit boards of claim 7, characterized in that: the sliding block (14) comprises a moving section (143), a connecting section (142) and a limiting section (145), the moving section (143) and the limiting section (145) are connected to two ends of the connecting section (142) respectively, the moving section (143) is sleeved on the fixing rod (17), the spring (16) abuts against the moving section (143), the connecting section (142) penetrates through the limiting hole (12), and the limiting section (145) is provided with a second limiting groove (141).

9. The oven dedicated to circuit boards of claim 8, characterized in that: the clamping assembly further comprises a sleeve (13), the sleeve (13) is sleeved on the rotating shaft (9), the sleeve (13) is connected to the upper side of the supporting plate (10), the sleeve (13) is provided with a plurality of first limiting grooves (131), and the plurality of first limiting grooves (131) and the plurality of second limiting grooves (141) are arranged in a one-to-one correspondence mode.

10. The oven dedicated to circuit boards of claim 9, characterized in that: the outer ring of the sleeve (13) is in a step shape with a small upper part and a large lower part, and the first limiting groove (131) and the second limiting groove (141) are both in an L shape.