CN217283631U

CN217283631U - A novel frock tray for circuit board paster encapsulation

Info

Publication number: CN217283631U
Application number: CN202220193327.5U
Authority: CN
Inventors: 罗青
Original assignee: Shenzhen Edadoc Circuit Co ltd
Current assignee: Shenzhen Edadoc Circuit Co ltd
Priority date: 2022-01-24
Filing date: 2022-01-24
Publication date: 2022-08-23
Anticipated expiration: 2032-01-24

Abstract

The utility model relates to a novel frock tray for circuit board paster encapsulation, including the tray base, be equipped with the standing groove in the middle of the tray base, be equipped with the regulation pole on the standing groove, the both ends of adjusting the pole are in synchronous slip on the relative both sides of standing groove, will the notch of two rectangle forms is cut apart into to the standing groove, the trough rim of standing groove is equipped with a plurality of elasticity depression bars, the one end of elasticity depression bar with tray base sliding connection to use this tip to rotate as the center. The utility model can adjust the size of the placing groove according to circuit boards with different sizes, and the elastic pressure rod on the side of the placing groove can effectively press and fix components on the circuit board, thereby solving the problem that the components are warped due to high temperature heating when the circuit board passes reflow soldering, which causes poor welding between the components and a circuit board pad; because the relative both sides of standing groove all are equipped with a plurality of elastic compression bars, can press fixed large-scale components and parts, and can satisfy irregular components and parts's fixed demand.

Description

A novel frock tray for circuit board paster encapsulation

Technical Field

The utility model relates to a paster encapsulation field, specific theory relates to a novel frock tray for circuit board paster encapsulation.

Background

The SMT process is that on a circuit board, components are flatly attached to a bonding pad of the circuit board, and then the welding feet of the components are welded and fixed with the bonding pad through reflow soldering equipment.

When a circuit board is subjected to reflow soldering, due to high temperature, thermal stress exists after components are heated, the components warp or deform, especially large components warp obviously, so that welding pins of the components and bottom welding pads have large gaps, solder paste at the gaps is not enough to fully contact the components and the circuit board, and finally the circuit board has the problems of empty soldering, false soldering and the like after passing through a reflow soldering furnace, the components are packaged badly, and the yield and the production efficiency are affected.

The above problems are worth solving.

Disclosure of Invention

In order to overcome the problem of prior art, the utility model provides a novel frock tray for circuit board paster encapsulation.

The utility model discloses technical scheme as follows:

the utility model provides a novel frock tray for circuit board paster encapsulation, a serial communication port, including the tray base, be equipped with the standing groove in the middle of the tray base, be equipped with the regulation pole on the standing groove, the both ends of adjusting the pole are in synchronous slip on the relative both sides of standing groove, will the notch of two rectangle forms is cut apart into to the standing groove, the trough rim of standing groove is equipped with a plurality of elasticity depression bars, the one end of elasticity depression bar with tray base sliding connection, just the elasticity depression bar uses this tip to rotate as the center.

According to the above scheme the utility model discloses, a serial communication port, the marginal inboard of standing groove with two long limits of adjusting the pole all are equipped with the boss, and this boss is used for holding the flange edge of circuit board.

According to the above scheme the utility model discloses, a serial communication port, the middle part of elasticity depression bar upwards arches, and both ends are downbent, makes the one end that the neighbouring circuit board of elasticity depression bar has decurrent elastic force, forms splenium down.

Furthermore, a pushing part of the elastic pressure rod is provided with a stirring part which is bent upwards.

According to above scheme the utility model discloses, its characterized in that, the relative both sides of standing groove all are equipped with at least one the elasticity depression bar.

According to the above scheme the utility model discloses, a serial communication port, the relative both sides of standing groove are equipped with the adjustment tank, both sides the adjustment tank level sets up, adjust the both ends of pole respectively with both sides adjustment tank sliding connection.

Furthermore, the two ends of the adjusting rod are provided with inner hexagonal holes, the bolt sequentially penetrates through the inner hexagonal holes and the adjusting groove, and the tail end of the bolt is provided with a detachable butterfly nut.

Furthermore, the end part of the elastic pressure rod is connected with the adjusting groove in a sliding manner.

According to the above scheme the utility model discloses, a serial communication port, the tray base is the rectangle framework, and the fretwork notch in the middle of it does the standing groove.

According to the above scheme the utility model discloses, its beneficial effect lies in:

the utility model can adjust the size of the placing groove according to circuit boards with different sizes, and the elastic pressure rod on the side of the placing groove can effectively press and fix components on the circuit board, thereby solving the problem that the components are warped due to high temperature heating when the circuit board passes reflow soldering, which causes poor welding between the components and a circuit board pad;

furthermore, because the relative both sides of standing groove all are equipped with a plurality of elastic compression bars, can press fixed large-scale components and parts, and can satisfy irregular components and parts's fixed demand.

Drawings

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

fig. 2 is a schematic view of a partial structure of the present invention.

In the figure, 1, a tray base; 11. a placement groove; 12. a boss; 13. an adjustment groove;

2. adjusting a rod;

3. an elastic compression bar; 31. a pressing part; 32. a toggle piece;

4. a circuit board; 41. and (6) a component.

Detailed Description

For better understanding of the objects, technical solutions and technical effects of the present invention, the present invention will be further explained with reference to the accompanying drawings and embodiments. It is to be noted that the following examples are only for explaining the present invention and are not intended to limit the present invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present, and when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

The terms "upper", "lower", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positions based on the orientations or positions shown in the drawings, and are for convenience of description only and should not be construed as limiting the technical solution. The meaning of "a number" is two or more unless specifically defined otherwise.

As shown in fig. 1 and 2, a novel tooling tray for circuit board patch packaging includes a tray base 1, a placing groove 11 is provided in the middle of the tray base 1, a boss 12 is provided at the edge of the placing groove 11, the boss 12 is used for supporting the edge of a circuit board 4, thereby realizing that the circuit board 4 is placed in the placing groove 11; the placing groove 11 is provided with a slidable adjusting rod 2, the adjusting rod 2 is horizontally arranged, and two ends of the adjusting rod are connected with two sides of the placing groove 11 in a sliding manner, so that the adjusting rod 2 divides the placing groove 11 into two parts to form a first notch and a second notch, and a user can adjust the placing groove 11 with a proper size according to the size of the circuit board to place the circuit board 4; the two long sides of the adjusting rod 2 are also provided with bosses 12 which are matched with the edge bosses 12 of the openings of the placing grooves 11 to support the circuit board 4 together.

A plurality of elastic pressure rods 3 are arranged at the groove edge of the placing groove 11, one end of each elastic pressure rod 3 is connected with the tray base 1 in a sliding mode, and the elastic pressure rods 3 rotate around the end parts, so that the other end of each elastic pressure rod 3 can move freely in the placing groove 11; when the tray is used, one end of the elastic pressure rod 3, which is connected with the tray base 1 in a sliding manner, is firstly slid, so that the elastic pressure rod 3 is close to the circuit board 4; then the other end of the elastic pressure lever 3 is rotated to be close to the component 41; the free end is lifted upwards, the hand is loosened after the free end is rotated to be right above the component 41, and at the moment, the elastic pressure rod 3 presses the component 41.

In this embodiment, the middle of the elastic pressing rod 3 is arched, and both ends are bent downward, so that the free end (i.e. the end adjacent to the circuit board) has a downward elastic force, forming a pressing portion 31, which can firmly press the component 41 on the circuit board 4. At least one elastic pressing rod 3 is arranged on two opposite sides of the placing groove 11, the elastic pressing rods 3 on the two sides are respectively pressed on two sides of the component 41, the circuit board can be attached to the periphery of the component, and therefore the pressing and fixing requirements of large components are met.

Visible, the utility model discloses can adjust the size of standing groove 11 according to not unidimensional circuit board 4, and the elasticity depression bar 3 on the 11 avris of standing groove can press components and parts 41 on the circuit board 4 effectively fixedly, because the relative both sides of standing groove 11 all are equipped with a plurality of elasticity depression bars 3, can press fixed large-scale components and parts, and can satisfy the fixed demand of irregular components and parts, when having solved the circuit board and cross reflow soldering, components and parts are heated because of high temperature and take place the warpage, lead to components and parts and circuit board pad bad problem of welding.

In this embodiment, two opposite sides of the placing groove 11 are provided with adjusting grooves 13, the two adjusting grooves 13 are arranged in parallel, two ends of the adjusting rod 2 are respectively connected with the adjusting grooves 13 on two sides in a sliding manner, during specific installation, the end part of the adjusting rod 2 is provided with an inner hexagonal hole, a bolt penetrates through the inner hexagonal hole and the adjusting groove 13 from top to bottom, and the end part of the adjusting rod 2 slides in the adjusting groove 13 through the bolt sliding in the adjusting groove 13; the tail end of the bolt is provided with the butterfly nut, and when the adjusting rod 2 is adjusted in place, the butterfly nut is screwed down to fix the adjusting rod 2, so that the adjusting rod is prevented from sliding in the use process.

The end part of the elastic compression bar 3 is also arranged on the adjusting groove 13 and shares the adjusting groove 13 with the adjusting rod 2, so that the structure of the tray base 1 is simplified as much as possible; and the elastic pressure bar 3 is detachably connected with the adjusting groove 13, and the elastic pressure bar 3 can be installed on the first placing groove 11 or the second placing groove 11 according to requirements.

In this embodiment, the free end (i.e. the end contacting with the component 41) of the elastic pressing rod 3 is bent upward to form a toggle member 32, which facilitates the user to toggle the pressing portion 31 of the elastic pressing rod 3 upward.

In other optional embodiments, the upper, lower, left and right sides of the placing groove 11 can be provided with the elastic pressing rods 3, and the edges of the four sides of the placing groove 11 are provided with the corresponding adjusting grooves 13; through adopting this technical scheme, the components and parts 41 of different positions on the circuit board 4 are fixed simultaneously to a plurality of elastic pressure bars 3 realization, cross the reflow soldering after once only with a plurality of components and parts 41 welding on the circuit board, promote paster efficiency.

In other optional embodiments, the tray base 1 is a simple rectangular frame body, and the middle of the tray base is hollowed out to serve as the placing groove 11, so that components on the back of the circuit board 4 can be better avoided, and the tray jig of the utility model can be suitable for more types of circuit boards; and the tray base 1 of the structure has low cost, and the cost of the tooling tray can be greatly reduced.

In other optional embodiments, adjust pole 2 and can set up more than two to divide into a plurality of adjustable small-size standing grooves with standing groove 11, realize placing a plurality of circuit boards of smaller size simultaneously, the paster encapsulation further raises the efficiency simultaneously, also can use reflow soldering equipment high-efficiently, for the saving electricity cost of firm.

In other alternative embodiments, besides the adjusting rod 2 in the above embodiments, an auxiliary adjusting rod may be disposed in a direction perpendicular to the adjusting rod 2, one end of the auxiliary adjusting rod is slidably connected on the adjusting rod 2, and the other end is slidably connected with the edge of the placing groove 11; the connection mode with the adjusting rod 2 can be that the adjusting rod 2 is provided with a long hole, or the end part of the auxiliary adjusting rod is directly erected on a lug boss 12 at the side of the adjusting rod 2; the auxiliary adjusting rod is connected with the placing groove 11 in the same way as the adjusting rod 2, and is fixedly connected in the way of the adjusting groove 13, the bolt and the butterfly nut.

To sum up, the utility model discloses ensure components and parts 41 when circuit board 4 crosses reflow soldering, all the time with the complete flat contact of pad of circuit board, guaranteed welding quality.

The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above examples only represent some embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A novel tooling pallet for circuit board patch packaging is characterized by comprising a pallet base, wherein a placing groove is arranged in the middle of the pallet base, an adjusting rod is arranged on the placing groove, two ends of the adjusting rod synchronously slide on two opposite sides of the placing groove to divide the placing groove into two rectangular notches,

the tray is characterized in that a plurality of elastic pressing rods are arranged on the groove edge of the placing groove, one ends of the elastic pressing rods are connected with the tray base in a sliding mode, and the elastic pressing rods rotate by taking the end portions as centers.

2. The novel tooling tray for circuit board patch package according to claim 1, wherein bosses are arranged on the inner side of the edge of the placing groove and on both long sides of the adjusting rod, and the bosses are used for supporting the edge of the circuit board.

3. The novel tooling tray for chip packaging of circuit boards as claimed in claim 1, wherein the middle of the elastic pressure bar is arched upwards, and both ends of the elastic pressure bar are bent downwards, so that one end of the elastic pressure bar adjacent to the circuit board forms a pressing part with downward elastic force.

4. The novel tooling tray for circuit board chip packaging as recited in claim 3, wherein the pushing portion of the elastic pressure bar is provided with a toggle piece bending upwards.

5. The novel tooling tray for circuit board patch package according to claim 1, wherein at least one elastic compression bar is arranged on each of two opposite sides of the placement groove.

6. The novel tooling tray for circuit board patch package according to claim 1, wherein two opposite sides of the placement groove are provided with adjustment grooves, the adjustment grooves on the two sides are horizontally arranged, and two ends of the adjustment rod are respectively connected with the adjustment grooves on the two sides in a sliding manner.

7. The novel tooling tray for circuit board patch package as claimed in claim 6, wherein the adjusting rod is provided with hexagonal socket holes at both ends, the bolt passes through the hexagonal socket holes and the adjusting slot in sequence, and the tail end of the bolt is provided with a detachable butterfly nut.

8. The novel tooling tray for circuit board patch package of claim 6, wherein the end of the elastic pressure bar is slidably connected with the adjustment slot.

9. The novel tooling tray for circuit board patch packaging of claim 1, wherein the tray base is a rectangular frame body, and the hollow notch in the middle is the placing groove.