CN219107846U

CN219107846U - General carrier for selective wave soldering process

Info

Publication number: CN219107846U
Application number: CN202223483293.2U
Authority: CN
Inventors: 冯玉峰; 陈科科; 鄢磊; 黄崇君; 肖涛
Original assignee: Shenzhen Zhenhua Microelectronics Co Ltd
Current assignee: Shenzhen Zhenhua Microelectronics Co Ltd
Priority date: 2022-12-21
Filing date: 2022-12-21
Publication date: 2023-05-30
Anticipated expiration: 2032-12-21

Abstract

The utility model provides a general carrier for selective wave soldering procedures, which belongs to the field of general carriers and comprises a frame body and positioning strips, wherein the frame body is of a frame structure, the positioning strips are transversely arranged in the frame structure, the positioning strips are slidably arranged in the frame body, the periphery of the inner side of the frame body is provided with frame body inner side steps, the side edges of the positioning strips are provided with positioning strip side steps, and the positioning strip side steps and the frame body inner side steps are arranged on the same plane. This simple structure, when putting the step of frame type with the PCB board on, the slip locating strip can be to the PCB board in the fixed of horizontal, and frame inboard step and locating strip side step can accomplish the operation to the ascending support of PCB board vertical direction, and the commonality is strong as long as use the hand to twist the claw bolt when fixed, and the electrodeless regulation locating strip both ends of general carrier adopt the claw screw, consequently can directly screw up with the hand need not with the help of the instrument, and staff's operation of being convenient for has carried efficiency simultaneously, can realize the electrodeless regulation of whole frame.

Description

General carrier for selective wave soldering process

Technical Field

The utility model relates to the field of universal carriers, in particular to a universal carrier for selective wave soldering procedures.

Background

The module circuit selective wave soldering process realizes the automatic soldering function of the plugging components and connectors, and improves the efficiency of automatically producing PCBA by the plugging components. The universal carrier is applied to a module circuit selective wave soldering process. Because the traditional mode is directly put the PCB board on the splint of machine, often appear the PCB board to be blocked in the mass production process, also can damage the PCB simultaneously when having influenced production efficiency.

Because electronic products produced by common companies are various, the sizes of module circuit boards are different, and a set of carriers cannot be made for all product models. The PCB board, the plugging components and the connectors of the company are various, and if the PCB board, the plugging components and the connectors are all special carriers, the cost of the carriers is increased, and the workload of carrier management is increased. In order to meet the requirements of the situation that clamping plates and emergency carriers do not appear in mass production of selective wave soldering procedures on a production site, a universal carrier for the selective wave soldering procedures applicable to various products is needed.

Disclosure of Invention

The utility model aims to provide a universal carrier for a selective wave soldering process, which solves the technical problems that the PCB is directly placed on a clamping plate of a machine in the traditional selective wave soldering process, the PCB is often blocked in the mass production process, the production efficiency is influenced, and the PCB is damaged. The problem that clamping plates are not generated during mass production of the selective wave soldering working procedure on the production site is solved, the production efficiency is improved, meanwhile, the damage to the PCB is avoided, and the loss is avoided for companies.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the utility model provides a general carrier of selectivity wave soldering process, including framework and locating strip, the framework sets up to frame type structure, and the locating strip straddles and sets up inside frame type structure, and the locating strip is in the inside slidable setting of framework, is provided with the inboard step of framework all around of inboard of framework, and the side of locating strip is provided with locating strip side step, and locating strip side step sets up on the coplanar with the inboard step of framework, and wave soldering process circuit board straddles and places on locating strip side step and the inboard step of framework, and the setting of slip locating strip clamp wave soldering process circuit board.

Further, the locating strips are spanned on two opposite sides of the frame body, and the two ends of the locating strips are provided with pressing devices connected with the frame body.

Further, the locating strip comprises a locating strip body and locating strip ends, the two locating strip ends are respectively arranged at two ends of the locating strip body, the locating strip side steps are arranged on the side edges of the locating strip body, and the locating strip body, the locating strip ends and the locating strip side steps are integrally arranged.

Further, the positioning strips are transversely provided with waist-shaped grooves on two sides of the frame body, the ends of the positioning strips are provided with pressing device connecting holes, the pressing devices penetrate through the waist-shaped grooves and are connected with the pressing device connecting holes to be pressed and fixed, and when the pressing devices are loosened, the positioning strips can be arranged in a sliding mode, and the waist-shaped grooves penetrate through the upper side and the lower side of the frame body.

Further, closing device is the claw bolt, and closing device connecting hole is the bolt hole, and the locating strip spanes in the bottom of framework, and the claw bolt passes the kidney slot and sets up with the bolt hole screw thread, and when the claw bolt rotated upwards to remove, the claw bolt kept away from the kidney slot, and the locating strip slidable sets up, and when the claw bolt moved downwards, sticiss on the kidney slot, the locating strip is fixed to be set up.

Further, the outer sides of two sides of the frame body, which are parallel to the positioning strips, are provided with outer convex edges of the frame body, the bottom of the frame body is provided with a frame body base, and the inner side step of the frame body, the outer convex edges of the frame body, the frame body base and the frame body are integrally arranged.

Further, the bottom of the frame body base where the kidney-shaped groove is arranged is provided with a bottom groove, the bottom groove is arranged in an upward concave manner, and the kidney-shaped groove is arranged in the middle of the bottom groove.

Further, the end of the locating strip is arranged in the bottom groove, the length of the end of the locating strip is the same as the width of the bottom groove, and the thickness of the end of the locating strip is the same as the depth of the upward depression of the bottom groove.

Further, the device also comprises a pushing screw rod, wherein the pushing screw rod penetrates through one side of the frame body parallel to the positioning strip and is rotatably arranged with the positioning strip.

Further, the side of framework is provided with the framework bolt hole, and the side of locating strip is provided with the bearing frame, and the bearing frame setting is in the middle part position of locating strip, pushes away tight screw rod and passes the framework bolt hole to the screw thread sets up, pushes away the head and the rotatable setting of bearing frame of tight screw rod.

The carrier comprises a frame, a positioning strip arranged on the frame and a bolt used for fixing the positioning strip on the frame, wherein the frame is provided with a step used for placing a circuit board and a kidney-shaped groove, and the bolt penetrates through the kidney-shaped groove. In the use process, the circuit board with the plugging components and connectors is placed on the steps of the frame of the carrier, the positioning strips are adjusted, and after the circuit board is clamped on the steps of the frame by the positioning strips, the bolts are manually screwed.

Due to the adoption of the technical scheme, the utility model has the following beneficial effects:

the utility model has simple structure, when the PCB is placed on the steps of the upper frame type, the PCB can be transversely fixed by the sliding positioning strip, the steps at the inner side of the frame body and the steps at the side edges of the positioning strip can support the PCB in the vertical direction, the operation can be completed by screwing the claw bolts by hands during the fixing, the universality is strong, and the claw screws are adopted at the two ends of the electrodeless adjusting positioning strip of the universal carrier, so that the electrodeless adjusting positioning strip can be directly screwed by hands without tools, the efficiency is improved while the operation of staff is convenient, the electrodeless adjustment of the whole frame body can be realized, and meanwhile, the fixed PCB can be transversely pushed better by pushing the screw rod, so that the clamp is tighter.

Drawings

FIG. 1 is a flat perspective view of a first embodiment of the present utility model;

fig. 2 is a perspective view showing a first embodiment of the present utility model after being raised;

FIG. 3 is a schematic view of the back structure of a first embodiment of the present utility model;

FIG. 4 is a front view of a first embodiment of the utility model;

fig. 5 is a left side view of the first embodiment of the present utility model after being raised;

fig. 6 is a schematic structural view of a second embodiment of the present utility model.

Reference numerals in the drawings: 1-a frame; 1.1-steps on the inner side of the frame body; 1.2-the frame outer convex edge; 1.3-a frame base; 2-a kidney-shaped groove; 3-positioning strips; 3.1-positioning the side steps of the strip; 3.2-positioning the strip body; 3.3-locating strip ends; 3.4-bolt holes; 4-sheep-horn bolts; 5-a bottom groove; 6-pushing and tightening the screw.

Detailed Description

In order to make the objects, technical solutions and advantages of the present utility model more apparent, the present utility model will be further described in detail below by referring to the accompanying drawings and by illustrating preferred embodiments. It should be noted, however, that many of the details set forth in the description are merely provided to provide a thorough understanding of one or more aspects of the utility model, and that these aspects of the utility model may be practiced without these specific details.

The terms of directions used in the present utility model, such as words of upper, lower, front, rear, left, right, inner, outer, side, top and bottom, are used merely with reference to the orientation of the drawings for illustrating and understanding the present utility model, and are not intended to limit the present utility model.

The words "first," "second," and the like in the terminology of the present utility model are used for descriptive purposes only and are not to be construed as indicating or implying relative importance and not as limiting the order of precedence.

Example 1:

as shown in fig. 1-5, the universal carrier for selective wave soldering process comprises a frame body 1 and a positioning strip 3, wherein the frame body 1 is in a frame structure, the positioning strip 3 is transversely arranged in the frame structure, and the positioning strip 3 is slidably arranged in the frame body 1. The inside of the frame body 1 is provided with frame body inner side steps 1.1 all around, the side of the locating strip 3 is provided with locating strip side steps 3.1, the locating strip side steps 3.1 and the frame body inner side steps 1.1 are arranged on the same plane, the wave soldering process circuit board spans and is placed on the locating strip side steps 3.1 and the frame body inner side steps 1.1, and the sliding locating strip 3 clamps the wave soldering process circuit board. The circuit board in wave soldering process is generally square in structure, after a right angle of the circuit board is aligned with a right angle of the step 1.1 on the inner side of the frame body 1, the positioning strip 3 is contacted with the circuit board, then is transversely compressed, and then the positioning strip 3 is clamped and fixed, so that the circuit board is fixed. The frame 1 may be made of a metal material or a hard plastic material. The frame body 1 can be set to be a rectangular structure or a square structure, but is a rectangular structure which is more suitable for production requirements for saving materials. The depth of the step is generally thicker than the thickness of the PCB, and then the width on the level can be 2-5mm, and the width can be wider or narrower as required.

The structure is suitable for the PCB with the general size smaller than or equal to 260mm (length) 180mm (width) 10mm (height), and is used for automatically welding the plugging components and connectors. The frame and the electrodeless adjusting and positioning strip are provided with steps, so that the PCB can be fixed better. The condition of clamping plates does not occur during mass production of the selective wave soldering working procedure on the production site, the production efficiency is improved, meanwhile, the damage to the PCB is avoided, and the loss is avoided for companies.

In embodiment 1 of the present utility model, positioning strips 3 span opposite sides of a frame 1, and pressing devices are arranged at two ends of the positioning strips 3 and connected with the frame 1. The pressing device can also be a plurality of spaced fastening structures, such as a plurality of bolt holes, and then each bolt hole corresponds to a circuit board with different sizes, so that a plurality of types of circuit boards with different sizes can be fixed, and the pressing device has certain practicability, but has no advantages of any size adjustment.

In the embodiment 1 of the utility model, the positioning strip 3 comprises a positioning strip body 3.2 and positioning strip ends 3.3, the two positioning strip ends 3.3 are respectively arranged at two ends of the positioning strip body 3.2, the positioning strip side steps 3.1 are arranged at the side edges of the positioning strip body 3.2, and the positioning strip body 3.2, the positioning strip ends 3.3 and the positioning strip side steps 3.1 are integrally arranged. The locating strip 3 can be of a practical hard plastic structure, has better fixity and is more convenient to produce.

The positioning strips 3 are transversely provided with waist-shaped grooves 2 on two sides of the frame body 1, the ends 3.3 of the positioning strips are provided with connecting holes of pressing devices, the pressing devices penetrate through the waist-shaped grooves 2 and are connected with the connecting holes of the pressing devices to be pressed and fixed, and when the pressing devices are loosened, the positioning strips 3 can be arranged in a sliding mode, and the waist-shaped grooves 2 penetrate through the upper side and the lower side of the frame body 1. Waist-shaped grooves 2 are formed in two sides of the frame of the universal carrier, so that stepless adjustment can be achieved. The length of the kidney-shaped groove 2 is almost the same as the length of the inner diameter of the frame body 1, and is slightly shorter.

The closing device is the claw bolt 4, and closing device connecting hole is bolt hole 3.4, and location strip 3 spanes in the bottom of framework 1, and claw bolt 4 passes kidney-shaped groove 2 and with bolt hole 3.4 screw thread setting, and when the rotation of claw bolt 4 upwards moved, claw bolt 4 kept away from kidney-shaped groove 2, and location strip 3 slidable set up, and when claw bolt 4 moved down, sticiss on kidney-shaped groove 2, location strip 3 fixed setting. The two ends of the electrodeless adjusting and positioning strip of the universal carrier are provided with the claw screws, so that the electrodeless adjusting and positioning strip can be directly screwed by hands without tools, and the electrodeless adjusting and positioning strip is convenient for staff to operate and simultaneously improves efficiency.

The outer sides of two sides of the frame body 1 parallel to the positioning strips 3 are provided with a frame body outer convex edge 1.2, the bottom of the frame body 1 is provided with a frame body base 1.3, and the step 1.1 on the inner side of the frame body, the frame body outer convex edge 1.2, the frame body base 1.3 and the frame body 1 are integrally arranged. The outer convex edge 1.2 of the frame body is convenient to take or the robot hand to clamp and store, etc. Meanwhile, the bottom of the frame body base 1.3 is arranged to be of a horizontal structure, so that the frame body base can be better conveyed on a production line.

The bottom of the frame body base 1.3 where the kidney-shaped groove 2 is arranged is provided with a bottom groove 5, the bottom groove 5 is arranged in an upward concave manner, and the kidney-shaped groove 2 is arranged in the middle of the bottom groove 5. The locating strip end 3.3 is arranged in the bottom groove 5, the length of the locating strip end 3.3 is the same as the width of the bottom groove 5, and the thickness of the locating strip end 3.3 is the same as the depth of the upward depression of the bottom groove 5. The bottom groove 5 is for the installation of better adaptation location strip 3, avoids location strip 3 to expose the bottom, and the bottom of the location strip body 3.2 of location strip 3 also does not have the bottom of framework base 1.3 low simultaneously, avoids influencing whole leveling.

According to the structure, a PCB provided with the plugging components and connectors is placed in a general carrier frame according to the requirements of products, stepless adjusting and positioning strips in the carrier are adjusted, and then the claw screws are manually screwed down. The universal carrier carrying the PCB is placed on a machine track, and after the machine is programmed, the starting switch is pressed down to realize automatic welding of the PCB, the plugging components and the connector. The structure solves the problem that the clamping plate is not generated during mass production of the selective wave soldering process on the production site, improves the production efficiency, simultaneously avoids damaging the PCB, and avoids loss for producers.

Example 2:

as shown in fig. 6, the general carrier for the selective wave soldering process comprises a frame body 1 and a positioning strip 3, wherein the frame body 1 is arranged in a frame structure, the positioning strip 3 spans the frame structure, and the positioning strip 3 is slidably arranged in the frame body 1. The frame body 1 is provided with frame body inside step 1.1 all around in the inboard, and the side of location strip 3 is provided with location strip side step 3.1, and location strip side step 3.1 and frame body inside step 1.1 set up on the coplanar. The locating strip 3 comprises a locating strip body 3.2 and locating strip ends 3.3, the two locating strip ends 3.3 are respectively arranged at two ends of the locating strip body 3.2, the locating strip side steps 3.1 are arranged on the side edge of the locating strip body 3.2, and the locating strip body 3.2, the locating strip ends 3.3 and the locating strip side steps 3.1 are integrally arranged. I.e. all that is included in example 1.

In addition, the universal carrier for the selective wave soldering process further comprises a pushing screw rod 6, wherein the pushing screw rod 6 penetrates through one side of the frame body 1 parallel to the positioning strip 3 and is rotatably arranged with the positioning strip 3. The side of framework 1 is provided with the framework bolt hole, and the side of location strip 3 is provided with the bearing frame, and the bearing frame setting is in the middle part position of location strip 3, pushes away tight screw rod 6 and passes the framework bolt hole to the screw thread sets up, pushes away the rotatable setting of head and bearing frame of tight screw rod 6.

The pushing screw rod 6 is arranged to be pushed horizontally, so that the manual pushing operation is not needed, the pushing screw rod 6 is rotated to be pushed tightly, and the pushing effect is better through the pushing screw rod 6. After the pushing screw 6 transversely pushes the positioning strip 3 to transversely press the PCB, the claw bolts 4 on two sides of the positioning strip 3 are manually rotated, so that the claw bolts 4 fix the positioning strip 3. The operation can be accomplished by only using the hand to twist the claw bolt when fixed, and the commonality is strong, and the electrodeless regulation locating strip both ends of general carrier adopt the claw screw, consequently can directly screw up with the help of the instrument not need, the staff's operation of being convenient for has simultaneously carried efficiency, can realize the electrodeless regulation of whole framework, pushes away the fixed PCB board of lateral pushing that the screw rod can be better simultaneously for press from both sides more tightly.

The foregoing is merely a preferred embodiment of the present utility model and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present utility model, which are intended to be comprehended within the scope of the present utility model.

Claims

1. The utility model provides a general carrier of selectivity wave soldering procedure, includes framework (1) and location strip (3), and framework (1) set up to frame type structure, and location strip (3) span and set up inside frame type structure, and location strip (3) slidable set up its characterized in that inside framework (1): the inside of framework (1) is provided with framework inside step (1.1) all around, and the side of locating strip (3) is provided with locating strip side step (3.1), and locating strip side step (3.1) and framework inside step (1.1) set up on the coplanar, and wave soldering process circuit board spanned and placed on locating strip side step (3.1) and framework inside step (1.1), and slip locating strip (3) press from both sides tight wave soldering process circuit board setting.

2. The selective wave soldering process universal carrier of claim 1, wherein: the positioning strips (3) are spanned on two opposite sides of the frame body (1), and pressing devices are arranged at two ends of the positioning strips (3) and are connected with the frame body (1).

3. The selective wave soldering process universal carrier of claim 2, wherein: the positioning strip (3) comprises a positioning strip body (3.2) and positioning strip ends (3.3), the two positioning strip ends (3.3) are respectively arranged at two ends of the positioning strip body (3.2), the positioning strip side steps (3.1) are arranged on the side edges of the positioning strip body (3.2), and the positioning strip body (3.2), the positioning strip ends (3.3) and the positioning strip side steps (3.1) are integrally arranged.

4. A selective wave soldering process universal carrier according to claim 3, wherein: the positioning strips (3) are transversely provided with waist-shaped grooves (2) on two sides of the frame body (1), the ends (3.3) of the positioning strips are provided with connecting holes of the pressing devices, the pressing devices penetrate through the waist-shaped grooves (2) to be connected with the connecting holes of the pressing devices to be pressed and fixed, when the pressing devices are loosened, the positioning strips (3) can be arranged in a sliding mode, and the waist-shaped grooves (2) penetrate through the upper side and the lower side of the frame body (1).

5. The universal carrier for selective wave soldering process according to claim 4, wherein: the closing device is claw bolt (4), closing device connecting hole is bolt hole (3.4), locating strip (3) span the bottom at framework (1), claw bolt (4) pass kidney slot (2) and with bolt hole (3.4) screw thread setting, when claw bolt (4) rotatory upward movement, claw bolt (4) keep away from kidney slot (2), locating strip (3) slidable setting, when claw bolt (4) downwardly moving, sticiss on kidney slot (2), locating strip (3) are fixed to be set up.

6. The universal carrier for selective wave soldering process according to claim 5, wherein: the outer sides of two sides of the frame body (1) parallel to the positioning strips (3) are provided with frame body outer convex edges (1.2), the bottom of the frame body (1) is provided with a frame body base (1.3), and the frame body inner side steps (1.1), the frame body outer convex edges (1.2), the frame body base (1.3) and the frame body (1) are integrally arranged.

7. The selective wave soldering process universal carrier of claim 6, wherein: the bottom of the frame body base (1.3) where the kidney-shaped groove (2) is arranged is provided with a bottom groove (5), the bottom groove (5) is concavely arranged upwards, and the kidney-shaped groove (2) is arranged in the middle of the bottom groove (5).

8. The selective wave soldering process universal carrier of claim 7, wherein: the locating strip end head (3.3) is arranged in the bottom groove (5), the length of the locating strip end head (3.3) is the same as the width of the bottom groove (5), and the thickness of the locating strip end head (3.3) is the same as the depth of the upward depression of the bottom groove (5).

9. The selective wave soldering process universal carrier of claim 1, wherein: the device also comprises a pushing screw (6), wherein the pushing screw (6) penetrates through one side of the frame body (1) parallel to the positioning strip (3) and is rotatably arranged with the positioning strip (3).

10. The selective wave soldering process universal carrier of claim 9, wherein: the side of framework (1) is provided with the framework bolt hole, and the side of location strip (3) is provided with the bearing frame, and the bearing frame sets up the middle part position at location strip (3), pushes away tight screw rod (6) and passes the framework bolt hole to the screw thread sets up, pushes away the head and the rotatable setting of bearing frame of tight screw rod (6).