CN220718027U

CN220718027U - Positioning mechanism and automatic tin supplementing device for PCBA board production

Info

Publication number: CN220718027U
Application number: CN202322320275.0U
Authority: CN
Inventors: 张�荣; 刘础诚; 祝婵婵; 侯福云
Original assignee: Qingdao Dingsen Electronics Co ltd
Current assignee: Qingdao Dingsen Electronics Co ltd
Priority date: 2023-08-28
Filing date: 2023-08-28
Publication date: 2024-04-05
Anticipated expiration: 2033-08-28

Abstract

The utility model relates to the technical field of bag-type dust removing equipment, in particular to a positioning mechanism and an automatic tin supplementing device for PCBA board production, which comprise the following components: the lower side of the side edge of the boss is fixedly connected with a clamping table, the bottom of the boss is provided with a collecting hopper, and the bottom of the collecting hopper is provided with a discharge port; the side plate is fixedly connected to the top of the boss, one side of the side plate is fixedly connected with a U-shaped frame, and the middle of the U-shaped frame and the side plate is rotationally connected with a roller; the limiting plate is in sliding connection with the boss, and one side of the limiting plate is in threaded connection with a locking bolt; the beneficial effects are as follows: according to the utility model, the PCBA board is supported by rolling connection of the rollers and the two sides of the PCBA board, so that the PCBA board is prevented from being directly placed on a workbench, electronic elements on the PCBA board are prevented from being directly contacted with the workbench, welding pins of the electronic elements are bent or unwelded due to shaking, the PCBA board is limited and fixed by manually providing a push force matched limiting plate, the tin supplementing working efficiency is improved, and the failure rate of products is reduced.

Description

Positioning mechanism and automatic tin supplementing device for PCBA board production

Technical Field

The utility model relates to the technical field of bag-type dust removing equipment, in particular to a positioning mechanism and an automatic tin supplementing device for PCBA board production.

Background

The solder process is widely applied to the production and manufacture of various electronic components, however, the conditions such as solder leakage, continuous welding, cold joint and the like are unavoidable in the solder process, and the solder of the electronic components needs to be checked and re-soldered to repair.

In the prior art, a method is generally adopted in the industry, wherein a welding part is inspected manually, and then soldering tin is repaired manually.

However, in the tin supplementing operation, the tin soldering surface of the PCBA board needs to be placed on the workbench, at this time, the higher electronic component welded on the PCBA board contacts with the workbench to play a supporting role on the PCBA board, and slight shaking of the PCBA board in the tin supplementing operation easily causes bending and even desoldering of the welding pins of the electronic component playing a supporting role, which reduces the tin supplementing operation efficiency and leads to an improvement of the failure rate of the PCBA board product.

Disclosure of Invention

The utility model aims to provide a positioning mechanism and an automatic tin supplementing device for PCBA production, so as to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a positioning mechanism, comprising:

the lower side of the side edge of the boss is fixedly connected with a clamping table, the bottom of the boss is provided with a collecting hopper, and the bottom of the collecting hopper is provided with a discharge port;

the side plate is fixedly connected to the top of the boss, one side of the side plate is fixedly connected with a U-shaped frame, and a roller is rotatably connected between the U-shaped frame and the side plate; and

The limiting plate is in sliding connection with the boss, and one side of the limiting plate is in threaded connection with a locking bolt.

Preferably, the boss and the clamping table are both in rectangular frame-shaped structures, and the clamping table integrally surrounds the bottom side position of the outer side wall of the clamping table.

Preferably, the bottom of the boss is fixedly connected with the top of the collecting hopper, and the joint is subjected to sealing treatment.

Preferably, the two side plates are symmetrically distributed and fixedly connected to the middle positions of the tops of the two opposite side walls of the boss respectively, the two U-shaped frames are arranged, and the two U-shaped frames are fixedly connected to one side, which is located inside the two side plates, respectively.

Preferably, the rollers are provided with a plurality of rollers, and the rollers are in linear equidistant distribution and are rotationally connected between the U-shaped frames on two sides and the side plates.

Preferably, grooves are formed in one side, located on the side plate, of the outer side wall of the boss, two grooves are formed in the outer wall of the opposite sides of the boss, and the grooves are symmetrical.

Preferably, the limiting plate is of an L-shaped plate structure, one end of the limiting plate is provided with a clamping groove, the clamping groove is slidably connected with the side wall of the boss, the locking bolt is in threaded connection with the lower side of the side wall of the outer end of the clamping groove, and the locking bolt penetrates through the side wall of the clamping groove to be slidably connected with the groove.

Preferably, the limiting plates are arranged in two, the two limiting plates are respectively located at two opposite sides of the boss, and one end, away from the clamping groove, of each limiting plate is located at the inner side of the boss.

An automatic tin supplementing device for PCBA production comprises the positioning mechanism.

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

according to the utility model, the PCBA board is supported by rolling connection of the rollers and the two sides of the PCBA board, so that the PCBA board is prevented from being directly placed on a workbench, electronic elements on the PCBA board are prevented from being directly contacted with the workbench, welding pins of the electronic elements are bent or unwelded due to shaking, the PCBA board is limited and fixed by manually providing a push force matched limiting plate, the tin supplementing working efficiency is improved, and the failure rate of products is reduced.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a top view of the overall structure of the present utility model;

fig. 3 is a schematic diagram of a limiting plate structure according to the present utility model.

In the figure: 1. a clamping table; 2. a boss; 3. a collecting hopper; 4. a side plate; 5. a U-shaped frame; 6. a roller; 7. a discharge port; 8. a limiting plate; 9. a groove; 10. a locking bolt; 11. a clamping groove.

Detailed Description

In order to make the objects, technical solutions, and advantages of the present utility model more apparent, the embodiments of the present utility model will be further described in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are some, but not all, embodiments of the present utility model, are intended to be illustrative only and not limiting of the embodiments of the present utility model, and that all other embodiments obtained by persons of ordinary skill in the art without making any inventive effort are within the scope of the present utility model.

In the description of the present utility model, it should be noted that the terms "center," "middle," "upper," "lower," "left," "right," "inner," "outer," "top," "bottom," "side," "vertical," "horizontal," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "a," an, "" the first, "" the second, "" the third, "" the fourth, "" the fifth, "and the sixth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

For purposes of brevity and description, the principles of the embodiments are described primarily by reference to examples. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the embodiments. It will be apparent, however, to one of ordinary skill in the art that the embodiments may be practiced without limitation to these specific details. In some instances, well-known methods and structures have not been described in detail so as not to unnecessarily obscure the embodiments. In addition, all embodiments may be used in combination with each other.

Referring to fig. 1 to 3, the present utility model provides a technical solution: a positioning mechanism, comprising:

the lower side of the side edge of the boss 2 is fixedly connected with a clamping table 1, the bottom of the boss 2 is provided with a collecting hopper 3, the bottom of the collecting hopper 3 is provided with a discharge opening 7, and the discharge opening 7 is provided with a sealing cover which is in threaded connection with the discharge opening 7 in a matching way; the boss 2 and the clamping table 1 are in rectangular frame-shaped structures, and the clamping table 1 integrally surrounds the bottom side position of the outer side wall of the clamping table 1; the bottom of the boss 2 is fixedly connected with the top of the collecting hopper 3, and the joint is sealed.

The side plate 4 is fixedly connected to the top of the boss 2, one side of the side plate 4 is fixedly connected with a U-shaped frame 5, and a roller 6 is rotatably connected between the U-shaped frame 5 and the side plate 4; the two side plates 4 are symmetrically distributed and fixedly connected to the middle positions of the tops of the two opposite side walls of the boss 2 respectively, the two U-shaped frames 5 are arranged, the two U-shaped frames 5 are fixedly connected to one side, which is inwards of the two side plates 4 respectively, of the side plates 4, and the tops of the side plates 4 are higher than the tops of the rollers 6; the gyro wheel 6 is equipped with a plurality of, and a plurality of gyro wheel 6 is sharp equidistance and distributes to rotate to be connected in the middle of both sides U type frame 5 and curb plate 4, and gyro wheel 6 both ends are rotated with U type frame 5 and curb plate 4 lateral wall respectively and are connected, and the rubber material can be coated to gyro wheel 6 outer lane, improves the axis frictional force of gyro wheel 6 and PCBA board.

The limiting plate 8 is in sliding connection with the boss 2, and one side of the limiting plate 8 is in threaded connection with a locking bolt 10; grooves 9 are formed in the outer side wall of the boss 2 and located on one side of the side plate 4, two grooves 9 are formed in the grooves, and the two grooves 9 are respectively located on the outer walls of the two opposite sides of the boss 2 and are symmetrical to each other; the limiting plate 8 is of an L-shaped plate structure, one end of the limiting plate 8 is provided with a clamping groove 11, the clamping groove 11 is in sliding connection with the side wall of the boss 2, the locking bolt 10 is in threaded connection with the lower side of the side wall of the outer end of the clamping groove 11, and the locking bolt 10 penetrates through the side wall of the clamping groove 11 to be in sliding connection with the groove 9; the limiting plates 8 are arranged in two, the two limiting plates 8 are respectively located on two opposite sides of the boss 2, one end, away from the clamping groove 11, of each limiting plate 8 is located on the inner side of the boss 2, and the height of each limiting plate is higher than that of the corresponding roller 6.

In actual use, the boss 2 and the collecting hopper 3 below the boss are in sliding connection in a preset hole on a workbench, the fixing installation of the positioning device is realized through the clamping table 1 and the clamping hoop at the top of the side wall of the hole, when tin supplementing is carried out, the PCBA board is manually taken out from the detection mould, the side edge of the PCBA board is held by hands and manually turned over and then placed between the two U-shaped frames 5, at the moment, two groups of rollers 6 at the two sides are in rolling connection with one side edge of the non-tin-soldering surface of the PCBA board, the tin soldering surface of the PCBA board is upward, the PCBA board is supported by the rollers 6 at the two sides, the on-board components are not contacted with the workbench, the shaking is avoided to cause the component welding stitch to bend or be desoldered, the PCBA board is pushed from one side of the PCBA board away from the limit board 8, the PCBA board is enabled to roll along the direction of the rollers 6 until the end is contacted with the limit board 8, the tin supplementing is carried out under the condition of keeping the condition that the thrust is continuously provided for the PCBA board, the position of the PCBA board is ensured to be fixed, the spacing between the spacing plate 8 and the side plate 4 can be adjusted by sliding the spacing plate 8 at the top of the boss 2 so as to adapt to tin supplementing operation of PCBA plates with different lengths, the applicability of the device is improved, wherein the fixed installation of the spacing plate 8 is completed by tightening the locking bolt 10 to tightly contact with the bottom of the groove 9, the PCBA plates are lifted by both hands after the operation is completed, the PCBA plates are taken out from the positioning device, the electronic components which fall off due to the two desoldering steps in the tin supplementing operation are collected by arranging the collecting hopper 3, the PCBA plates are supported by rolling the positions of the two sides of the rolling wheels 6 and the PCBA plates, the direct contact between the electronic components on the PCBA plates and the worktable is avoided, the welding pins of the electronic components are bent or desoldered due to shaking, the PCBA plates are limited and fixed by manually providing the pushing force to cooperate with the spacing plate 8, the tin supplementing operation efficiency is improved, the failure rate of the product is reduced.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A positioning mechanism, characterized in that: comprising the following steps:

the clamping table (1) is fixedly connected to the lower side of the side edge of the boss (2), the bottom of the boss (2) is provided with a collecting hopper (3), and the bottom of the collecting hopper (3) is provided with a discharge opening (7);

the side plate (4), the side plate (4) is fixedly connected to the top of the boss (2), one side of the side plate (4) is fixedly connected with a U-shaped frame (5), and a roller (6) is rotationally connected between the U-shaped frame (5) and the side plate (4); and

The limiting plate (8), limiting plate (8) and boss (2) sliding connection, limiting plate (8) one side threaded connection has locking bolt (10).

2. A positioning mechanism as recited in claim 1, wherein: the boss (2) and the clamping table (1) are both in rectangular frame-shaped structures, and the clamping table (1) integrally surrounds the bottom side position of the outer side wall of the clamping table (1).

3. A positioning mechanism as claimed in claim 2, wherein: the bottom of the boss (2) is fixedly connected with the top of the collecting hopper (3), and the joint is subjected to sealing treatment.

4. A positioning mechanism as claimed in claim 3, wherein: the side plates (4) are arranged in two, the two side plates (4) are symmetrically distributed and fixedly connected to the middle positions of the tops of two opposite side walls of the boss (2), the U-shaped frames (5) are arranged in two, and the two U-shaped frames (5) are fixedly connected to one side, which is close to the inner side of the two side plates (4), respectively.

5. A positioning mechanism as recited in claim 4, wherein: the rollers (6) are arranged in a plurality, and the rollers (6) are in linear equidistant distribution and are rotationally connected between the U-shaped frames (5) on two sides and the side plates (4).

6. A positioning mechanism as recited in claim 5, wherein: the boss (2) lateral wall is last to be located one side of curb plate (4) and to have been seted up recess (9), recess (9) are equipped with two, two recess (9) are located boss (2) opposite both sides outer wall respectively, and mutual symmetry.

7. A positioning mechanism as recited in claim 6, wherein: limiting plate (8) are L-shaped plate structure, and limiting plate (8) one end is equipped with draw-in groove (11), draw-in groove (11) and boss (2) lateral wall sliding connection, locking bolt (10) threaded connection is in draw-in groove (11) outer end lateral wall downside, and locking bolt (10) pass draw-in groove (11) lateral wall and recess (9) sliding connection.

8. A positioning mechanism as recited in claim 7, wherein: the limiting plates (8) are arranged at two sides opposite to the boss (2), and one end, away from the clamping groove (11), of each limiting plate (8) is located at the inner side of the boss (2).

9. Automatic tin device that mends of PCBA board production, its characterized in that: a positioning mechanism comprising any one of the above claims 1-8.