CN215393033U

CN215393033U - Reflow soldering with good heating effect

Info

Publication number: CN215393033U
Application number: CN202023228883.1U
Authority: CN
Inventors: 杨新
Original assignee: Qidong Xinya Electronic Technology Co ltd
Current assignee: Qidong Xinya Electronic Technology Co ltd
Priority date: 2020-12-29
Filing date: 2020-12-29
Publication date: 2022-01-04
Anticipated expiration: 2030-12-29

Abstract

The utility model discloses reflow soldering with good heating effect in the technical field of circuit board processing, which comprises a bearing plate, wherein the upper end surface of the bearing plate is fixedly connected with a reflow soldering machine, a welding inner cavity is arranged in the reflow soldering machine, the upper end surface and the lower end surface of the right side of the welding inner cavity are fixedly connected with a partition plate, the welding inner cavity is divided into a heating cavity and a cooling cavity by the partition plate, the lower end surface of a first motor is fixedly connected with a connecting plate, the rear end surface of the connecting plate is fixedly connected with the front end surface of a support column, the left end surface and the right end surface of the heating cavity are respectively provided with a sliding groove, a sliding plate is slidably connected in the sliding grooves, the lower end surface of the sliding plate is fixedly connected with a heating plate, the upper end surface of the sliding plate is fixedly connected with a threaded barrel, a screw rod is rotatably connected in the threaded barrel, and the upper end surface of the screw rod is provided with a second motor .

Description

Reflow soldering with good heating effect

Technical Field

The utility model relates to the technical field of circuit board processing, in particular to reflow soldering with a good heating effect.

Background

The circuit board has the name: ceramic circuit board, alumina ceramic circuit board, aluminium nitride ceramic circuit board, the PCB board, aluminium base board, the high frequency board, thick copper board, the impedance board, PCB, ultra-thin circuit board, printed circuit board etc, the circuit board makes the circuit miniaturation, it is direct-viewing, play an important role with the electrical apparatus overall arrangement to fixed circuit's batch production and optimization, including using crest welder and reflow soldering machine etc. in the course of working of circuit board, crest welder is used for the welding to participate in the component, reflow soldering machine is used for welding paster component, after for roughly heating through the zone of heating at current reflow soldering machine use, by the cooling space cooling.

The problem that the strength is insufficient when reflow soldering is carried out on a circuit board exists in the prior art, the phenomenon that electric elements of the circuit board are loosened when the circuit board is used can be caused, and finally the service life of the circuit board is short.

Accordingly, those skilled in the art have provided a reflow soldering process with a good heating effect to solve the above problems of the background art.

SUMMERY OF THE UTILITY MODEL

The present invention is to provide a reflow soldering apparatus with a good heating effect to solve the above problems of the background art.

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

a reflow soldering with good heating effect comprises a bearing plate, wherein the upper end surface of the bearing plate is fixedly connected with a reflow soldering machine, a welding inner cavity is arranged in the reflow soldering machine, the upper end surface and the lower end surface of the right side of the welding inner cavity are fixedly connected with a partition plate, the partition plate divides the welding inner cavity into a heating cavity and a cooling cavity, the left end surface of the reflow soldering machine is provided with a first open slot, the left end surface and the right end surface of the upper end surface of the bearing plate are both fixedly connected with a support column, the support columns are provided with a plurality of support columns, the front end and the rear end surfaces are rotatably connected with a rotating shaft between the support columns, the outer circumferential surface of the rotating shaft is fixedly connected with a conveyor belt, the conveyor belt penetrates through the welding inner cavity, the left end surface is provided with a first motor, the lower end surface of the first motor is fixedly connected with a connecting plate, the rear end surface of the connecting plate is fixedly connected with the front end surface of the support column, the left end surface and the right end surface of the heating cavity are both provided with sliding slots, the circuit board heating device comprises a sliding groove, a heating plate, a screw cylinder, a screw rod, a backflow welding machine and a second motor, wherein the sliding groove is connected with the sliding plate in a sliding mode, the lower end face of the sliding plate is fixedly connected with the heating plate, the upper end face of the sliding plate is fixedly connected with the screw cylinder, the screw rod is connected with the screw rod in a rotating mode and penetrates through the upper end of the backflow welding machine, and the upper end face of the screw rod is provided with the second motor.

As a further scheme of the utility model: the sliding block up end fixedly connected with connecting spring, connecting spring's original length is less than the length of sliding block is provided with connecting spring and can reaches the effect of buffering when upwards moving the sliding block.

As a still further scheme of the utility model: the end face fixedly connected with support under the bearing plate, support fixed connection be in each corner of end face under the bearing plate, be provided with the support and can reach the effect that supports the bearing plate.

As a still further scheme of the utility model: heating chamber up end fixedly connected with third motor, the third motor output rotates and is connected with the third pivot, the outer periphery fixedly connected with third flabellum of third pivot is provided with third motor, third pivot and third flabellum and can reaches to give off and then carry out welded effect to the circuit board to the heat that the hot plate radiation was gone out.

As a still further scheme of the utility model: a second open slot is formed in the lower end face of the welding inner cavity, the length of the second open slot is matched with that of the welding inner cavity, and the second open slot is arranged to block and reflux hot air at the upper end.

As a still further scheme of the utility model: the conveyer belt surface has seted up the ventilation hole, the ventilation hole is provided with a plurality ofly, is provided with the ventilation hole and can reaches hot-blast passing through circuit board completely.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, through the sliding grooves arranged on the left end surface and the right end surface of the heating cavity, the sliding plate slidably connected in the sliding grooves, the thread cylinder fixedly connected on the upper end surface of the sliding plate, the screw rod arranged in the thread cylinder and the second motor fixedly connected on the upper end surface of the screw rod, the action that the second motor drives the screw rod to rotate so as to enable the thread cylinder to move in the heating cavity is completed, the problem of insufficient strength when reflow soldering is carried out on a circuit board is solved, and the effects of enhancing the reflow soldering strength and being suitable for reflow soldering of circuit boards with different sizes are achieved.

Drawings

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

FIG. 2 is a schematic cross-sectional view of a reflow soldering machine according to the present invention;

FIG. 3 is an enlarged view of the structure of FIG. 2 at A according to the present invention;

fig. 4 is an enlarged schematic view of the structure at B in fig. 2 according to the present invention.

In the figure: 1. a bearing plate; 2. a support; 3. a reflow soldering machine; 4. welding an inner cavity; 5. a partition plate; 6. a cooling chamber; 7. a heating cavity; 8. a first open slot; 9. a support pillar; 10. a rotating shaft; 11. a conveyor belt; 12. a vent hole; 13. a second open slot; 14. a connecting plate; 15. a first motor; 16. a second motor; 17. a screw; 18. a threaded barrel; 19. a sliding groove; 20. a sliding plate; 21. heating plates; 22. a connecting spring; 23. a third motor; 24. a third rotating shaft; 25. and a third fan blade.

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.

Referring to fig. 1 to 4, in the embodiment of the present invention, a reflow soldering with a good heating effect includes a bearing plate 1, a reflow soldering machine 3 is fixedly connected to an upper end surface of the bearing plate 1, a soldering inner cavity 4 is formed in the reflow soldering machine 3, a partition plate 5 is fixedly connected to upper and lower end surfaces of a right side of the soldering inner cavity 4, the partition plate 5 partitions the soldering inner cavity 4 into a heating cavity 7 and a cooling cavity 6, a first open slot 8 is formed in a left end surface of the reflow soldering machine 3, a plurality of support columns 9 are fixedly connected to left and right ends of the upper end surface of the bearing plate 1, a plurality of support columns 9 are arranged, a rotating shaft 10 is rotatably connected between the support columns 9 at front and rear ends, a conveyor belt 11 is fixedly connected to an outer circumferential surface of the rotating shaft 10, the conveyor belt 11 penetrates through the soldering inner cavity 4, a first motor 15 is arranged on a front end surface of the rotating shaft 10 at left side, a connecting plate 14 is fixedly connected to a lower end surface of the first motor 15, a rear end surface of the connecting plate 14 is fixedly connected to a front end surface of the support columns 9, the left end face and the right end face of the heating cavity 7 are respectively provided with a sliding groove 19, the sliding grooves 19 are connected with a sliding plate 20 in a sliding mode, the lower end face of the sliding plate 20 is fixedly connected with a heating plate 21, the upper end face of the sliding plate 20 is fixedly connected with a threaded cylinder 18, a screw rod 17 is rotatably connected in the threaded cylinder 18, the screw rod 17 penetrates through the upper end of the reflow soldering machine 3 and is arranged, and the upper end face of the screw rod 17 is provided with a second motor 16.

The upper end face of the sliding groove 19 is fixedly connected with a connecting spring 22, the original length of the connecting spring 22 is smaller than the length of the sliding groove 19, and the connecting spring 22 is arranged to achieve the effect of buffering when the sliding block moves upwards;

the lower end face of the bearing plate 1 is fixedly connected with a support 2, the support 2 is fixedly connected to each corner of the lower end face of the bearing plate 1, and the support 2 is arranged to achieve the effect of supporting the bearing plate 1;

the third motor 23 is fixedly connected to the upper end face of the heating cavity 7, the output end of the third motor 23 is rotatably connected with a third rotating shaft 24, the outer circumferential face of the third rotating shaft 24 is fixedly connected with a third fan blade 25, and the third motor 23, the third rotating shaft 24 and the third fan blade 25 are arranged to achieve the effect of dissipating heat radiated by the heating plate 21 and further welding the circuit board;

a second opening groove 13 is formed in the lower end face of the welding inner cavity 4, the length of the second opening groove 13 is matched with that of the welding inner cavity 4, and the second opening groove 13 is arranged to block and reflux hot air at the upper end;

the surface of the conveyor belt 11 is provided with a plurality of vent holes 12, and the vent holes 12 are arranged to allow hot air to completely pass through the circuit board.

The working principle of the utility model is as follows: before reflow soldering is carried out on the circuit board, the circuit board is placed on the upper end face of the conveyor belt 11, the power supply of the first motor 15 is switched on, the first motor 15 drives the rotating shaft 10 to rotate so as to drive the conveyor belt 11 to rotate rightwards, in the whole process, the heating plate 21 fixedly connected on the lower end face of the sliding plate 20 is electrified, then the power supply of the second motor 16 is switched on, the second motor 16 drives the screw rod 17 to rotate, the screw rod 17 drives the threaded cylinder 18 to move up and down, because the lower end face of the threaded cylinder 18 is fixedly connected with the sliding plate 20, the sliding plate 20 drives the heating plate 21 to move up and down so as to carry out reflow soldering action on the circuit board, in the whole process, the third motor 23 drives the third rotating shaft 24 to rotate so as to drive the third fan blade 25 to rotate so as to blow off hot air in the heating cavity 7, and the hot air is fully contacted with the circuit board through the vent hole 12 formed on the outer end face of the conveyor belt 11, consequently can reach and weld the electrical components on circuit board surface, set up like this and can reach reinforcing welding strength and heating effect, because second open slot 13 has been seted up to terminal surface under welding inner chamber 4, the length of second open slot 13 and the length matching setting of welding inner chamber 4, it can reach and block and flow back to the hot-blast of upper end to be provided with second open slot 13, make the hot-air repeated utilized, 19 up end fixedly connected with connecting spring 22 of sliding tray, connecting spring 22's original length is less than the length of sliding tray 19, it can reach the effect of buffering when moving up the sliding block to be provided with connecting spring 22.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a reflow soldering that heating effect is good, includes bearing plate (1), its characterized in that: bearing plate (1) up end fixedly connected with backward flow welding machine (3), set up welding inner chamber (4) in backward flow welding machine (3), terminal surface fixedly connected with division board (5) about welding inner chamber (4) right side, division board (5) will welding inner chamber (4) are separated into heating chamber (7) and cooling chamber (6), first open slot (8) have been seted up to backward flow welding machine (3) left end face, the equal fixedly connected with support column (9) of bearing plate (1) up end left and right ends, support column (9) are provided with a plurality ofly, the front and back end rotate between support column (9) and be connected with axis of rotation (10), axis of rotation (10) outer periphery fixedly connected with conveyer belt (11), conveyer belt (11) run through welding inner chamber (4) set up, the left side the terminal surface is provided with first motor (15) before axis of rotation (10), terminal surface fixedly connected with connecting plate (14) under first motor (15), terminal surface before support column (9) is connected to connecting plate (14) rear end face fixed connection, sliding tray (19) have all been seted up to the terminal surface about heating chamber (7), sliding tray (19) sliding connection has sliding plate (20), terminal surface fixedly connected with hot plate (21) under sliding plate (20), sliding plate (20) up end fixedly connected with screw thread section of thick bamboo (18), screw thread section of thick bamboo (18) internal rotation is connected with screw rod (17), screw rod (17) run through reflow soldering machine (3) upper end sets up, screw rod (17) up end is provided with second motor (16).

2. A reflow solder with good heating effect according to claim 1, wherein: the upper end face of the sliding groove (19) is fixedly connected with a connecting spring (22), and the original length of the connecting spring (22) is smaller than the length of the sliding groove (19).

3. A reflow solder with good heating effect according to claim 1, wherein: end face fixedly connected with support (2) under bearing plate (1), support (2) fixed connection be in each corner of end face under bearing plate (1).

4. A reflow solder with good heating effect according to claim 1, wherein: heating chamber (7) up end fixedly connected with third motor (23), third motor (23) output rotates and is connected with third pivot (24), third pivot (24) outer periphery fixedly connected with third flabellum (25).

5. A reflow solder with good heating effect according to claim 1, wherein: a second open slot (13) is formed in the lower end face of the welding inner cavity (4), and the length of the second open slot (13) is matched with that of the welding inner cavity (4).

6. A reflow solder with good heating effect according to claim 1, wherein: the surface of the conveyor belt (11) is provided with a plurality of ventilation holes (12), and the ventilation holes (12) are arranged in a plurality.