CN218244020U

CN218244020U - SMT reflow soldering jig

Info

Publication number: CN218244020U
Application number: CN202222272743.7U
Authority: CN
Inventors: 张彩堂; 崔振; 毛涛; 李军明; 李庆庆
Original assignee: Henan Muhe Electronic Technology Co ltd
Current assignee: Henan Muhe Electronic Technology Co ltd
Priority date: 2022-08-29
Filing date: 2022-08-29
Publication date: 2023-01-06
Anticipated expiration: 2032-08-29

Abstract

The utility model discloses a SMT reflow soldering jig, relates to the jig technical field, including the jig body, the middle part of jig body has seted up first recess, PCB board has been placed in the first recess, adjacent crisscross a plurality of groups mounting groove and through-hole of having seted up in the first recess, install the row needle in the mounting groove, the left side of jig body is rotated through the rotating assembly and is connected with main clamp plate, the right side upper end of main clamp plate is provided with the briquetting; has the advantages that: by the design of the jig body, the welding of the element can be completed by one-time reflow soldering, the operation is convenient, the working efficiency is improved, and the welding quality is effectively ensured; through the cooperation design of main clamp plate, rotating assembly, briquetting, second screw, side pressure board and first screw, can compress tightly the PCB board fine and fix to effectively prevent that the PCB board from taking place the skew when welding, improve PCB board welded quality.

Description

SMT reflow soldering jig

Technical Field

The utility model relates to a tool technical field especially relates to a SMT reflow soldering tool.

Background

The jig is a large tool for carpenters, ironmen, benches, machines, electric controls and other handicraft articles, and is mainly used as a tool for assisting in controlling positions or actions (or both).

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a SMT reflow soldering tool just in order to solve above-mentioned problem.

The utility model discloses a following technical scheme realizes above-mentioned purpose:

the utility model provides a SMT reflow soldering tool, includes the tool body, first recess has been seted up at the middle part of tool body, the PCB board has been placed in the first recess, adjacent crisscross a plurality of groups mounting groove and the through-hole of having seted up in the first recess, install the row needle in the mounting groove, the left side of tool body is rotated through the runner assembly and is connected with main clamp plate, the right side upper end of main clamp plate is provided with the briquetting, a plurality of side guide plate is installed to both sides around the tool body.

Preferably, the runner assembly includes mounting panel, fixed cylinder, rotary drum, connecting block, spliced pole and round pin axle, the rectangular hole has been seted up in the left side of tool body, mounting panel fixed connection is close to one side of first recess in the rectangular hole, the fixed cylinder of one side upper end fixedly connected with of first recess is kept away from to the mounting panel, the both sides of fixed cylinder are rotated through the round pin symmetry and are connected with the rotary drum, every the equal fixedly connected with connecting block in one side of rotary drum, one side fixedly connected with spliced pole of rotary drum is kept away from to the upper end of connecting block, the left side lower extreme fixed connection of spliced pole and main clamp plate.

Preferably, the right side fixed mounting of tool body has the second screw, cup jointed the briquetting on the second screw, and the upper end and the second screw head lower extreme parallel and level of briquetting.

Preferably, the distance between the lower end of the pressing block and the jig body is the thickness of the main pressing plate.

Preferably, the front side and the rear side of the jig body are fixedly provided with first screws, the first screws are sleeved with side pressing plates, and the upper ends of the side pressing plates are flush with the lower ends of the heads of the first screws.

Preferably, the lower end of the side pressure plate is flush with the upper end of the PCB.

Preferably, the main pressure plate is T-shaped.

Preferably, the edge of the front side and the edge of the rear side of the first groove on the jig body are symmetrically provided with second grooves.

Compared with the prior art, the utility model provides a SMT reflow soldering tool possesses following beneficial effect:

1. by the design of the jig body, the welding of the element can be completed by one-time reflow soldering, the operation is convenient, the working efficiency is improved, and the welding quality is effectively ensured;

2. through the matching design of the main pressing plate, the rotating assembly, the pressing block, the second screw, the side pressing plate and the first screw, the PCB can be well compressed and fixed, so that the PCB is effectively prevented from deviating when being welded, and the welding quality of the PCB is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the description below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive labor.

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

fig. 2 is a schematic top view of the present invention;

FIG. 3 is a schematic structural view of the PCB mounted according to the present invention;

FIG. 4 is a schematic structural view of the rotating assembly and the main platen of the present invention;

fig. 5 is a schematic view of the enlarged structure of the part a of the present invention;

fig. 6 is an exploded view of the rotating assembly of the present invention.

The reference numerals are illustrated below:

1. a jig body; 101. a rectangular hole; 2. a first groove; 3. mounting grooves; 4. arranging needles; 5. a through hole; 6. a rotating assembly; 601. mounting a plate; 602. a fixed cylinder; 603. a drum; 604. connecting blocks; 605. connecting columns; 606. a pin shaft; 7. a main pressure plate; 8. side pressing plates; 9. a first screw; 10. a second groove; 11. pressing into blocks; 12. a second screw; 13. and (7) a PCB board.

Detailed Description

The technical scheme of the invention is further explained by combining the accompanying drawings as follows:

referring to fig. 1-6, an SMT reflow soldering jig comprises a jig body 1, wherein a first groove 2 is formed in the middle of the jig body 1, the first groove 2 is used for placing a PCB 13, the PCB 13 is placed in the first groove 2, a plurality of groups of mounting grooves 3 and through holes 5 are formed in the first groove 2 in an adjacent staggered manner, the mounting grooves 3 are used for mounting pin headers 4, the through holes 5 are used for reserving space for components on the PCB 13, interference of the PCB 13 when the PCB 13 is placed in the first groove 2 is avoided, the pin headers 4 are mounted in the mounting grooves 3, a main pressing plate 7 is rotatably connected to the left side of the jig body 1 through a rotating assembly 6, the main pressing plate 7 is used for pressing the PCB 13 so as to enable the PCB 13 to be extruded and fixed, a pressing block 11 is arranged at the upper end of the right side of the main pressing plate 7, the pressing block 11 is used for extruding and fixing the main pressing plate 7, and further enabling the main pressing and fixing the main pressing plate 7, a plurality of side pressing plates 8 are mounted on the front side and the back of the jig body 1, and on the back of the jig body, and on the both sides of the jig body, and the PCB 13, and the jig body can enable the PCB 13 to be better fixing effect;

the rotating assembly 6 comprises a mounting plate 601, two fixed cylinders 602, two rotating cylinders 603, two connecting blocks 604, a connecting column 605 and a pin shaft 606, wherein a rectangular hole 101 is formed in the left side of the jig body 1, the rectangular hole 101 is used for mounting the rotating assembly 6, the mounting plate 601 is fixedly connected to one side, close to the first groove 2, in the rectangular hole 101, the upper end of one side, far away from the first groove 2, of the mounting plate 601 is fixedly connected with the fixed cylinders 602, the two sides of the fixed cylinders 602 are symmetrically and rotatably connected with the rotating cylinders 603 through the pin shaft 606, the number of the rotating cylinders 603 is two, one side of each rotating cylinder 603 is fixedly connected with the connecting block 604, the upper end of the connecting block 604, far away from one side of the rotating cylinder 603, the connecting column 605 is fixedly connected with the lower end of the left side of the main pressure plate 7, the main pressure plate 7 can be rotated, and the main pressure plate 7 can be conveniently pressed and fixed;

a second screw 12 is fixedly arranged on the right side of the jig body 1, a pressing block 11 is sleeved on the second screw 12, the upper end of the pressing block 11 is flush with the lower end of the head of the second screw 12, the distance between the lower end of the pressing block 11 and the jig body 1 is the thickness of the main pressing plate 7, the main pressing plate 7 can be conveniently pressed and fixed, and further the main pressing plate 7 can be well pressed and fixed on a PCB 13;

first screws 9 are fixedly mounted on the front side and the rear side of the jig body 1, side pressing plates 8 are sleeved on the first screws 9, the upper ends of the side pressing plates 8 are flush with the lower ends of the heads of the first screws 9, the lower ends of the side pressing plates 8 are flush with the upper ends of the PCBs 13, and the side pressing plates 8 are used for pressing the edges of the PCBs 13, so that the PCB 13 is better in pressing effect;

the main pressure plate 7 is T-shaped;

second recess 10 has been seted up to the edge symmetry of both sides around first recess 2 on tool body 1, and the staff of being convenient for takes out welded PCB board 13.

The working principle is as follows: firstly, arranging pins 4 in a mounting groove 3, wherein the size, the number and the layout of mounting grooves correspond to those of a PCB 13, the back surface of the produced PCB 13 is subjected to surface mounting and reflow soldering, then solder paste and surface mounting are printed on the front surface of the PCB 13, the PCB 13 is placed in a first groove 2 after the completion, then a main pressing plate 7 is rotated to press the main pressing plate 7 on the PCB 13, a pressing block 11 is rotated to press the pressing block 11 on the main pressing plate 7, the PCB 13 is further pressed and fixed, then all side pressing plates 8 are rotated to press the side pressing plates 8 on the PCB 13, the PCB 13 is further fixed better, and finally the arranging pins 4 and the PCB 13 are subjected to reflow soldering;

after welding is completed, all the side pressing plates 8 are rotated until the side pressing plates 8 are not pressed on the PCB 13, the pressing block 11 is rotated, then the main pressing plate 7 is rotated upwards, and a worker can take out the welded PCB 13, so that the welding machine is convenient and fast and is high in efficiency.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention.

Claims

1. The utility model provides a SMT reflow soldering tool, includes tool body (1), its characterized in that: first recess (2) have been seted up at the middle part of tool body (1), PCB board (13) have been placed in first recess (2), adjacent crisscross a plurality of groups mounting groove (3) and through-hole (5) of having seted up in first recess (2), install row needle (4) in mounting groove (3), the left side of tool body (1) is rotated through runner assembly (6) and is connected with main clamp plate (7), the right side upper end of main clamp plate (7) is provided with briquetting (11), a plurality of side clamp plate (8) are installed to both sides around tool body (1).

2. An SMT reflow soldering jig according to claim 1, wherein: the rotating assembly (6) comprises a mounting plate (601), a fixed cylinder (602), a rotating cylinder (603), a connecting block (604), a connecting column (605) and a pin shaft (606), the left side of the jig body (1) is provided with a rectangular hole (101), the mounting plate (601) is fixedly connected to one side, close to the first groove (2), of the rectangular hole (101), the mounting plate (601) is far away from the fixed cylinder (602) at the upper end of one side of the first groove (2), the two sides of the fixed cylinder (602) are symmetrically and rotatably connected with the rotating cylinder (603) and each through the pin shaft (606), the connecting block (604) is fixedly connected to one side of the rotating cylinder (603), the connecting column (605) is far away from the upper end of the connecting block (604), and the connecting column (605) is fixedly connected with the lower end of the left side of the main pressing plate (7).

3. An SMT reflow soldering jig according to claim 1, wherein: the right side fixed mounting of tool body (1) has second screw (12), cup jointed briquetting (11) on second screw (12), and the upper end and the second screw (12) head lower extreme parallel and level of briquetting (11).

4. An SMT reflow soldering jig according to claim 3, wherein: the distance between the lower end of the pressing block (11) and the jig body (1) is the thickness of the main pressing plate (7).

5. An SMT reflow soldering jig according to claim 1, wherein: the fixture comprises a fixture body (1), wherein first screws (9) are fixedly mounted on the front side and the rear side of the fixture body (1), side pressing plates (8) are sleeved on the first screws (9), and the upper ends of the side pressing plates (8) are flush with the lower ends of the heads of the first screws (9).

6. An SMT reflow soldering jig according to claim 5, wherein: the lower end of the side pressure plate (8) is flush with the upper end of the PCB (13).

7. An SMT reflow soldering jig according to claim 1, wherein: the main pressure plate (7) is T-shaped.

8. An SMT reflow soldering jig according to claim 1, wherein: second grooves (10) are symmetrically formed in the edges of the front side and the rear side of the first groove (2) in the jig body (1).