CN218423948U

CN218423948U - Baking device

Info

Publication number: CN218423948U
Application number: CN202222266717.3U
Authority: CN
Inventors: 曹维祖; 罗家豪
Original assignee: Dongguan Redwood Cotton Electronic Technology Co ltd
Current assignee: Dongguan Redwood Cotton Electronic Technology Co ltd
Priority date: 2022-08-25
Filing date: 2022-08-25
Publication date: 2023-02-03
Anticipated expiration: 2032-08-25

Abstract

The utility model belongs to the technical field of the PCB production technique and specifically relates to indicate a baking equipment, it includes the box, from a left side to the right side according to the preface set up drying chamber one and drying chamber two in the box, set up UV banks spare in drying chamber one, set up on the box and with the hot-air drying subassembly of the cavity intercommunication of drying chamber two and be used for carrying the material of treating the stoving to the conveyor in drying chamber one and drying chamber two in proper order, the hot-air drying subassembly is used for providing hot-blast to drying chamber two. The UV lamp assembly of the utility model has good effect and high efficiency in curing sizing material; the hot air provided by the hot air drying component can be fully and uniformly contacted with the rubber material, so that the temperature of the rubber material is driven to be uniformly increased, the rubber material is uniformly and rapidly dried or dried, the problem of volume reduction caused by uneven temperature of the rubber material is prevented, and the adhesive force and the stability of the rubber material attached to the PCB are improved. The utility model has the advantages of simple structure, improved the drying efficiency of sizing material, simplified the stoving step of sizing material.

Description

Baking device

Technical Field

The utility model belongs to the technical field of the PCB production technique and specifically relates to indicate a baking equipment.

Background

A Printed Circuit Board (PCB), which is called a Printed Circuit Board (PCB) in chinese, is an important electronic component, a support for an electronic component, and a carrier for electrical connection of the electronic component. It is called a "printed" circuit board because it is made using electronic printing. In the production process of the existing PCB, the PCB needs to be baked to dry the glue coated on the surface of the PCB, however, the baking speed of the existing baking equipment in the baking process is slow, the temperature rise in the glue baking process is not uniform, so that the internal stress is generated in the glue, the problem of glue warping or warping is caused, and the stability of the glue attached on the PCB is influenced. The existing baking equipment has a complex structure and is complicated in baking steps. Therefore, the drawbacks are obvious, and a solution is needed.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, an object of the present invention is to provide a baking device.

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

the utility model provides a baking device, its includes the box, set up drying chamber one and drying chamber two in the box according to the preface from a left side to the right side, set up UV banks spare in drying chamber one, set up on the box and with the hot-blast drying assembly of the cavity intercommunication of drying chamber two and be used for carrying the material of treating drying to the conveyor in drying chamber one and drying chamber two in proper order, hot-blast drying assembly is used for providing hot-blast to drying chamber two.

Furthermore, the baking device also comprises a heating and drying assembly arranged in the first drying chamber.

Furthermore, the UV lamp assembly comprises a first fixing piece arranged on the inner side wall of the first drying chamber, a first connecting rod connected with the first fixing piece in a lifting and sliding manner, a UV lamp body connected with one end of the first connecting rod and a first nut connected with the first connecting rod in a threaded manner, and the bottom end of the first nut can abut against the first fixing piece; the conveying device is located below the UV lamp body.

Furthermore, the heating and drying assembly comprises an infrared lamp body arranged in the first drying chamber in a lifting mode and a reflecting plate arranged on the inner side wall of the first drying chamber, and the reflecting plate, the infrared lamp body and the conveying device are arranged in the first drying chamber from top to bottom.

Furthermore, the hot air drying assembly comprises an air return pipe, an air pump mechanism, a heating mechanism and an air outlet pipe, one end of the air return pipe is communicated with the cavity of the second drying chamber, the other end of the air return pipe is communicated with an air inlet of the air pump mechanism, an air outlet of the air pump mechanism is communicated with an air inlet of the heating mechanism, an air outlet of the heating mechanism is communicated with one end of the air outlet pipe, and the other end of the air outlet pipe is communicated with the cavity of the second drying chamber; the heating mechanism is used for heating the air flowing through the heating mechanism.

Furthermore, the hot air drying assembly also comprises an air blowing cover arranged in the cavity of the second drying chamber, a plurality of air blowing openings arranged on the air blowing cover and louver blade structures used for respectively opening or closing the air blowing openings, and the air outlet pipe is communicated with the inner cavity of the air blowing cover; and the inner cavity of the air blowing cover is communicated with the cavity of the second drying chamber through a plurality of air blowing openings.

Furthermore, the baking device further comprises an air guide pipe used for communicating the cavity of the first drying chamber and the cavity of the second drying chamber.

Further, the baking device further comprises a feeding hole arranged on the first drying chamber, a discharging hole arranged on the second drying chamber, a first wind shielding assembly movably arranged at the feeding hole and a second wind shielding assembly movably arranged at the discharging hole, the conveying device conveys the PCB to the cavity of the first drying chamber through the feeding hole, and the conveying device outputs the PCB from the cavity of the second drying chamber through the discharging hole.

Furthermore, the first wind shielding assembly and the second wind shielding assembly are movably connected with the box body respectively.

The utility model has the advantages that: the UV lamp assembly of the utility model has good sizing material curing effect and high efficiency; the hot air drying assembly continuously provides hot air to the second drying chamber, the hot air can be fully and uniformly contacted with the rubber material, so that the temperature of the rubber material is driven to be uniformly increased, the rubber material is uniformly and rapidly dried or dried, the problem of volume reduction caused by uneven temperature of the rubber material is solved, and the adhesive force and the stability of the rubber material attached to the PCB are improved. The utility model has the advantages of simple structure, the compactness has improved the drying efficiency of sizing material, has simplified the stoving step of sizing material.

Drawings

Fig. 1 is a schematic view of the three-dimensional structure of the present invention.

Fig. 2 is a schematic diagram of the internal structure of the present invention.

Fig. 3 is a schematic perspective view of the UV lamp assembly of the present invention.

Fig. 4 is a schematic view of the three-dimensional structure of the heating and drying assembly of the present invention.

Fig. 5 is a schematic perspective view of the blower housing according to the present invention.

Fig. 6 is a schematic side view of the present invention.

Description of reference numerals:

1. a first drying chamber; 2. a second drying chamber; 3. a box body; 4. a UV lamp assembly; 5. a hot air drying component; 6. a conveying device; 7. a heating and drying assembly; 8. an air guide pipe; 9. a feed inlet; 10. a discharge port; 11. a first wind shielding assembly; 12. a second wind shielding assembly; 13. connecting holes; 41. a first fixing part; 42. a first connecting rod; 43. a UV lamp body; 44. a first nut; 51. a return air duct; 52. an air pump mechanism; 53. a heating mechanism; 54. an air outlet pipe; 55. a blower housing; 56. an air blowing port; 61. a rotating roller; 71. an infrared lamp body; 72. a reflective plate.

Detailed Description

In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention.

As shown in fig. 1 to 6, the utility model provides a pair of baking equipment, it includes box 3, set up drying chamber 1 and drying chamber two 2 in box 3 according to the preface from a left side to the right side, set up UV banks spare 4 in drying chamber 1, set up on box 3 and with the hot-air drying subassembly 5 of the cavity intercommunication of drying chamber two 2 and be used for carrying the material of treating drying to conveyor 6 in drying chamber 1 and drying chamber two 2 in proper order from box 3 outward, hot-air drying subassembly 5 is used for providing hot-air to drying chamber two 2.

The utility model discloses but wide application in the stoving of various sizing materials, this embodiment mainly dries for the example to the sizing material that coats on PCB and explains. Specifically, the UV lamp assembly 4 is used to emit ultraviolet rays (i.e., UV light). In the actual use process, sizing materials (UV glue) are coated on the PCB, then the PCB coated with the sizing materials is placed on the conveying device 6, the PCB is sequentially conveyed into the first drying chamber 1 and the second drying chamber 2 from left to right through the conveying device 6, when the PCB is conveyed into the first drying chamber 1, the UV lamp assemblies 4 emit UV light and irradiate on the PCB and the sizing materials, the sizing materials are solidified on the PCB, and the effect of the UV lamp assemblies 4 in solidifying the sizing materials is good and the efficiency is high; when the PCB is conveyed into the second drying chamber 2, hot air can be fully and uniformly contacted with the sizing material by continuously providing hot air into the second drying chamber 2 through the hot air drying assembly 5, so that the temperature of the sizing material is driven to be uniformly increased, the sizing material is uniformly and rapidly dried or dried, the problem that the curing degree of the sizing material is different due to the uneven temperature of the sizing material, the sizing material is easily warped or bulges is solved, and the adhesive force and the stability of the sizing material attached to the PCB are improved. The utility model has the advantages of simple structure, the compactness has improved the drying efficiency of sizing material, has simplified the stoving step of sizing material.

Further, the baking device further comprises a heating and drying assembly 7 arranged in the drying chamber I1.

Specifically, the heating and drying assembly 7 is an infrared heating assembly, and the heating and drying assembly 7 heats the rubber material through the emitted infrared rays. The UV lamp assembly 4 and the heating and drying assembly 7 are sequentially arranged in the first drying chamber 1 from left to right, namely the heating and drying assembly 7 is arranged close to the second drying chamber 2. The glue material and the PCB are conveyed to the lower part of the heating and drying component 7 through the conveying device 6, the infrared rays emitted by the heating and drying component 7 heat the glue material through the infrared rays, and the glue material is further dried or cured. The heating and drying component 7 has low production cost, good heating effect and high safety.

Further, the UV lamp assembly 4 comprises a first fixing member 41 arranged on the inner side wall of the first drying chamber 1, a first connecting rod 42 connected with the first fixing member 41 in a sliding manner in a lifting manner, a UV lamp body 43 connected with one end of the first connecting rod 42, and a first nut 44 in threaded connection with the middle of the first connecting rod 42, wherein the bottom end of the first nut 44 can abut against the first fixing member 41; the conveying device 6 is positioned below the UV lamp body 43; preferably, the UV lamp body 43 is located below the first fixing member 41 and connected to the bottom end of the first connecting rod 42.

Specifically, the UV lamp body 43 is for emitting ultraviolet rays (i.e., UV light); the UV lamp body 43 may be a UV mercury lamp; the outer side wall of the first connecting rod 42 is provided with threads capable of being screwed with the first nut 44, the front projection of the first fixing piece 41 is attempted to be L-shaped or Contraband-shaped, so that the first fixing piece 41 is conveniently abutted against the first nut 44, the first fixing piece 41 supports the first nut 44, and the first fixing piece 41 is conveniently fixedly connected with the top wall of the first drying chamber 1. In the practical use process, after the first connecting rod 42 and the UV lamp body 43 are connected, the first connecting rod 42 is manually driven to slide relative to the first fixing piece 41 in a lifting mode, the first connecting rod 42 drives the UV lamp body 43 to ascend and descend in the vertical direction, the height difference between the UV lamp body 43 and the conveying device 6 in the vertical direction is adjusted until the height difference between the UV lamp body 43 and the conveying device 6 in the vertical direction is adjusted to a preset value, then the first nut 44 is screwed into one end, far away from the UV lamp body 43, of the first connecting rod 42 until the bottom end face of the first nut 44 is abutted against the first fixing piece 41, the first connecting rod 42 is fixed on the first fixing piece 41 through the first nut 44, the height adjustment of the UV lamp body 43 is completed, and the UV lamp body 43 emits UV light to irradiate the PCB and the rubber material, so that the irradiation angle and the irradiation range can be adjusted conveniently. When conveyor 6 carries the PCB of different thickness, through the height of adjusting UV lamp body 43, can also avoid the PCB on UV lamp body 43 and the conveyor 6 to take place to interfere, the utility model discloses a practicality is strong, and UV banks spare 4's simple structure is compact, low in production cost, and the step of adjusting the height of UV lamp body 43 through the cooperation of nut 44, mounting 41 and connecting rod 42 is convenient, swift.

Further, the heating and drying assembly 7 includes an infrared lamp body 71 which is arranged in the drying chamber 1 in a lifting manner and a reflecting plate 72 which is arranged on the inner side wall of the drying chamber 1, and the reflecting plate 72, the infrared lamp body 71 and the conveying device 6 are arranged in the drying chamber 1 from top to bottom.

Specifically, the infrared lamp body 71 is configured to emit infrared rays, and the reflection plate 72 is configured to reflect the infrared rays emitted from the infrared lamp body 71 upwards downwards onto the PCB conveyed by the conveying device 6. In actual use, the adjustment manner of the height of the infrared lamp body 71 in the vertical direction is the same as or similar to that of the UV lamp body 43, and is not described herein again. Add reflecting plate 72, the reflection infrared ray for infrared ray that infrared lamp body 71 sent is concentrated to shine on PCB and glue, prevents that the infrared ray from dispersing all around, is favorable to the fast drying of glue, has improved glue drying efficiency.

Further, the hot air drying assembly 5 comprises a return air pipe 51, an air pump mechanism 52, a heating mechanism 53 and an air outlet pipe 54, wherein one end of the return air pipe 51 is communicated with the cavity of the second drying chamber 2, the other end of the return air pipe 51 is communicated with an air inlet of the air pump mechanism 52, an air outlet of the air pump mechanism 52 is communicated with an air inlet of the heating mechanism 53, an air outlet of the heating mechanism 53 is communicated with one end of the air outlet pipe 54, and the other end of the air outlet pipe 54 is communicated with the cavity of the second drying chamber 2; the heating mechanism 53 is used to heat the air flowing through the heating mechanism 53.

Specifically, the heating mechanism 53 includes a housing, a heating liner disposed in the housing, and a heater for heating the heating liner, the heater is an electric heating tube, an air outlet of the air pump mechanism 52 is communicated with an air inlet of the heating liner, and an air outlet of the heating liner is communicated with the air outlet pipe 54. The heating mechanism 53 may be an existing heating structure, and the heating mechanism 53 has the same or similar functions as the existing heating structure, and is not described in detail herein. In the actual use process, the air pump mechanism 52 is started, the air pump mechanism 52 pumps the air in the second drying chamber 2 into the heating mechanism 53 through the air return pipe 51, the air passing through the heating mechanism 53 is heated by the heating mechanism 53 and then conveyed into the air outlet pipe 54, then the air flows into the second drying chamber 2 through the air outlet pipe 54, and the hot air flowing into the second drying chamber 2 dries the PCB. The air in the second hot air drying component 5 circularly extracts the air in the second drying chamber 2, the emission of waste gas is reduced, in addition, the energy consumption required for heating the circularly used air by the heating mechanism 53 is less, the energy is saved, the environment is protected, and the heating efficiency is higher.

Further, the hot air drying assembly 5 further includes a blowing cover 55 disposed in the cavity of the drying chamber two 2, a plurality of blowing openings 56 disposed on the blowing cover 55, and louver structures (shown in the figure) for respectively opening or closing the plurality of blowing openings 56, and the air outlet pipe 54 is communicated with an inner cavity of the blowing cover 55; the inner cavity of the blower cover 55 is communicated with the cavity of the second drying chamber 2 through a plurality of air blowing ports 56.

Specifically, the louver structure includes a plurality of louvers (not shown in the drawings) rotatably connected to the blowing hood 55, respectively, and the plurality of louvers are disposed in one-to-one correspondence with the plurality of blowing ports 56, respectively; the plurality of louvers rotate with respect to the blower housing 55 to open or close the plurality of air blowing ports 56, respectively. In the actual use process, the air outlet pipe 54 conveys the heated air into the blowing cover 55, and the air in the blowing cover 55 flows into the cavity of the drying chamber two 2 through the plurality of blowing openings 56, so that the glue is dried. Add blower housing 55 and can collect or gather together the air in the cavity that goes out tuber pipe 54 and carry to drying chamber two 2, open or the quantity of closing through shutter plate structure control mouth of blowing 56 to the flow and the velocity of flow of the air in the cavity of control flow to drying chamber two 2 have further improved the utility model discloses an adjustability and practicality.

Furthermore, the baking device also comprises an air guide pipe 8 for communicating the cavity of the first drying chamber 1 with the cavity of the second drying chamber 2.

The air guide pipe 8 is additionally arranged, so that the cavity of the first drying chamber 1 can be communicated with the cavity of the second drying chamber 2, hot air in the second drying chamber 2 can enter the first drying chamber 1, the temperature in the first drying chamber 1 can be further increased, the temperature rise of rubber in the first drying chamber 1 is promoted, and the drying of the rubber is accelerated.

Further, baking equipment is still including setting up feed inlet 9 on drying chamber one 1, setting up discharge gate 10 on drying chamber two 2, the activity sets up in the subassembly one 11 that keeps out the wind of feed inlet 9 department and the activity sets up in the subassembly two 12 that keep out the wind of discharge gate 10 department, conveyor 6 carries PCB to the cavity of drying chamber one 1 via feed inlet 9, conveyor 6 exports PCB from the cavity of drying chamber two 2 via discharge gate 10.

In the in-service use process, keep out the wind subassembly 11 and keep out the wind subassembly two 12 respectively with box 3 swing joint on, keep out the wind subassembly 11 and run through and be provided with connecting hole 13, connecting hole 13 is the rectangular hole of vertical setting, insert a locking part (screw, bolt etc.) in connecting hole 13 and box 3 for keep out the wind subassembly 11 and box 3 are connected, through adjusting the height that locking part inserted connecting hole 13, adjust and keep out the wind subassembly 11 and box 3 joint height, thereby to the position control that keeps out wind subassembly 11 and be located feed inlet 9, through adjusting the height of subassembly 11 that keeps out the wind on vertical mode in order to block partial feed inlet 9, can slow down the exchange speed of the air in drying chamber 1 and the outside air of box 3, reduce the heat loss in drying chamber 1, the energy saving. The structure and function of the second wind shielding assembly 12 are the same as or similar to those of the first wind shielding assembly 11, and are not described in detail herein.

Specifically, conveyor 6 includes the motor (not shown in the figure), connects in the drive mechanism (not shown in the figure) of the output of motor and rotates a plurality of live-rollers 61 that set up in drying chamber 1 and drying chamber two 2, drive mechanism can adopt current belt or gear drive mechanism, drive mechanism is connected with a plurality of live-rollers 61 transmission respectively, and the motor passes through drive mechanism and drives a plurality of live-rollers 61 and rotate, places PCB on live-rollers 61, carries PCB to drying chamber 1 and drying chamber two 2 in proper order through pivoted live-rollers 61. The conveying device 6 is simple in structure and stable in transmission.

All technical features in the embodiment can be freely combined according to actual needs.

The above-mentioned embodiment is the utility model discloses the implementation scheme of preferred, in addition, the utility model discloses can also realize by other modes, any obvious replacement is all within the protection scope of the utility model under the prerequisite that does not deviate from this technical scheme design.

Claims

1. A baking apparatus, characterized in that: including box (3), set up drying chamber (1) and drying chamber two (2) in box (3) according to the preface from a left side to the right side, set up UV banks spare (4) in drying chamber one (1), set up on box (3) and with hot-blast drying assembly (5) of the cavity intercommunication of drying chamber two (2) and be used for carrying the material of treating drying to conveyor (6) in drying chamber one (1) and drying chamber two (2) in proper order, hot-blast drying assembly (5) are used for providing hot-blast to drying chamber two (2).

2. The toasting apparatus of claim 1, wherein: the baking device further comprises a heating and drying assembly (7) arranged in the drying chamber I (1).

3. The toasting apparatus of claim 1, wherein: the UV lamp assembly (4) comprises a first fixing piece (41) arranged on the inner side wall of the first drying chamber (1), a first connecting rod (42) in lifting sliding connection with the first fixing piece (41), a UV lamp body (43) connected with one end of the first connecting rod (42) and a first nut (44) in threaded connection with the first connecting rod (42), and the bottom end of the first nut (44) can abut against the first fixing piece (41); the conveying device (6) is positioned below the UV lamp body (43).

4. The toasting apparatus of claim 2, wherein: the heating and drying assembly (7) comprises an infrared lamp body (71) arranged in the first drying chamber (1) in a lifting mode and a reflecting plate (72) arranged on the inner side wall of the first drying chamber (1), wherein the reflecting plate (72), the infrared lamp body (71) and the conveying device (6) are arranged in the first drying chamber (1) from top to bottom.

5. The toasting apparatus of claim 1, wherein: the hot air drying assembly (5) comprises a return air pipe (51), an air pump mechanism (52), a heating mechanism (53) and an air outlet pipe (54), one end of the return air pipe (51) is communicated with the cavity of the second drying chamber (2), the other end of the return air pipe (51) is communicated with an air inlet of the air pump mechanism (52), an air outlet of the air pump mechanism (52) is communicated with an air inlet of the heating mechanism (53), an air outlet of the heating mechanism (53) is communicated with one end of the air outlet pipe (54), and the other end of the air outlet pipe (54) is communicated with the cavity of the second drying chamber (2); the heating mechanism (53) is used for heating the air flowing through the heating mechanism (53).

6. The toasting apparatus of claim 5, wherein: the hot air drying assembly (5) further comprises a blowing cover (55) arranged in the cavity of the second drying chamber (2), a plurality of blowing openings (56) arranged on the blowing cover (55) and louver structures used for respectively opening or closing the blowing openings (56), and the air outlet pipe (54) is communicated with the inner cavity of the blowing cover (55); and the inner cavity of the air blowing cover (55) is communicated with the cavity of the second drying chamber (2) through a plurality of air blowing openings (56).

7. The toasting apparatus of any one of claims 1-6, wherein: the baking device further comprises an air guide pipe (8) used for communicating the cavity of the first drying chamber (1) with the cavity of the second drying chamber (2).

8. The toasting apparatus of claim 1, wherein: the baking device further comprises a feeding hole (9) arranged on the first drying chamber (1), a discharging hole (10) arranged on the second drying chamber (2), a first wind shielding assembly (11) arranged at the feeding hole (9) and a second wind shielding assembly (12) arranged at the discharging hole (10) in a movable mode, the conveying device (6) conveys the PCB to the cavity of the first drying chamber (1) through the feeding hole (9), and the conveying device (6) outputs the PCB from the cavity of the second drying chamber (2) through the discharging hole (10).

9. The toasting apparatus of claim 8, wherein: the first wind shielding assembly (11) and the second wind shielding assembly (12) are movably connected with the box body (3) respectively.