CN220289777U

CN220289777U - Pressing device for PCB test

Info

Publication number: CN220289777U
Application number: CN202321804356.1U
Authority: CN
Inventors: 黄华君; 方伟; 董书彬
Original assignee: Shenzhen Huaxunda Technology Co ltd
Current assignee: Shenzhen Huaxunda Technology Co ltd
Priority date: 2023-07-11
Filing date: 2023-07-11
Publication date: 2024-01-02
Anticipated expiration: 2033-07-11

Abstract

The utility model belongs to the technical field of PCB testing, in particular to a pressing device for PCB testing, which aims at the problems that the prior motor and driving mechanism are exposed outside, dust and impurities are easy to be stained on the motor and the driving mechanism after the motor and driving mechanism work for a long time, the operation between parts inside the motor and the driving mechanism is hindered, the friction between the parts is increased, and the service lives of the motor and the driving mechanism are further reduced.

Description

Pressing device for PCB test

Technical Field

The utility model relates to the technical field of PCB testing, in particular to a pressing device for PCB testing.

Background

In the technical field of PCBs, a PCB board tester needs to perform short circuit test firstly and then perform functional test, the functional test time is doubled as compared with the short circuit test time, and the requirements of the current market on the stability, compatibility and low maintenance cost of the ICT/FCT tester of the PCB are higher and higher. And wherein the press-fit mechanism is an important factor in the impact.

Through retrieving, the patent with the bulletin number of CN218885998U discloses a compression fittings for PCB test, including lower fixed plate and last fixed plate, the top of lower fixed plate is equipped with the fixed plate down, and is equipped with the guide pillar between upper fixed plate and the lower fixed plate, sliding connection has the sleeve on the guide pillar, and runs through on the sleeve and be equipped with the clamp plate, the bottom surface mounting of clamp plate has the faller, top surface one side of upper fixed plate is equipped with the mounting bracket, and installs servo motor on the mounting bracket, servo motor's output and the synchronous drive mechanism fixed connection who sets up on the upper fixed plate. The utility model discloses a press which uses a servo double-screw rod mechanism and consists of a servo motor, a synchronous driving mechanism, a screw rod, a movable sleeve and the like. The servo motor drives the screw rods on two sides to move simultaneously through the synchronous driving mechanism so as to realize that the pressing plate drives the upper needle plate to move up and down. The mechanism has strong compatibility, and can normally operate only by changing servo parameters when the size and the height of the jig are changed. High stability, convenient operation and low maintenance cost.

However, the technical scheme has the following problems: the motor and the driving mechanism are exposed outside, dust and impurities are easy to be stained on the motor and the driving mechanism after long-time working, the operation between the parts inside the motor and the driving mechanism is hindered, the friction between the parts is increased, and the service lives of the motor and the driving mechanism are further reduced.

In view of the above, the present disclosure proposes a pressing device for PCB testing, which is used to solve the above-mentioned problem.

Disclosure of Invention

The utility model provides a pressing device for PCB test, which solves the problems that in the prior art, a motor and a driving mechanism are exposed, dust and impurities are easy to be stained on the motor and the driving mechanism after the motor and the driving mechanism work for a long time, the operation between parts inside the motor and the driving mechanism is hindered, the friction between the parts is increased, and the service lives of the motor and the driving mechanism are further reduced.

The utility model provides the following technical scheme:

a bonding apparatus for PCB testing, comprising:

the upper needle plate and the lower needle plate are fixedly arranged on one side, close to the middle plate, of the bottom plate respectively through bolts, four sliding rods are fixedly connected to one side, close to the top plate and the bottom plate, of the bottom plate respectively, the middle plate is sleeved on the four sliding rods in a sliding manner, and the four sliding rods are respectively positioned at four corners of the top plate, the middle plate and the bottom plate;

the driving mechanism is arranged on the top plate and used for driving the middle plate;

the protection mechanism is arranged on the top plate and used for protecting the driving mechanism;

and the supporting component is arranged on the bottom plate and used for supporting the device.

In a possible design, actuating mechanism includes motor, two lead screws, two dwang, four a bevel gears, no. two bevel gears and two No. three bevel gears, the bottom of motor and the top fixed connection of roof, two the both ends of dwang all with a bevel gear fixed connection, the output shaft and the No. two bevel gears fixed connection of motor, no. two bevel gears mesh with the bevel gear of two dwang one ends, two the one bevel gear of dwang other end respectively with two No. three bevel gears intermeshing, two No. three bevel gears all fixed cover is established in the one end of lead screw, two the one end of lead screw runs through the top of roof and medium plate and rotates with the top both sides of bottom plate to be connected, two the lead screw all with same medium plate threaded connection, two the lead screw all rotates with same roof to be connected, two the lead screw all is located the centre, two the dwang all rotates the cover and is equipped with the connecting block, two all with the top fixed connection of same roof.

In one possible design, protection machanism includes the safety cover, the bottom of safety cover all with the top fixed connection of bolt and roof, the motor is located the safety cover, the top edge of safety cover all sets up to the arc, the rear side of safety cover has been seted up and has been used for motor radiating louvre.

In one possible design, the support assembly includes four support columns, the tops of the four support columns are respectively fixedly connected with the four corners of the bottom of the same bottom plate, and the bottoms of the four support columns are fixedly connected with anti-slip pads.

In one possible design, the rear side of the protective cover is fixedly connected with a mounting frame through bolts, the inside of the mounting frame is provided with cooling holes, and a filter screen is fixedly connected to the inner wall of the mounting frame.

In one possible design, the two sides of the top plate are fixedly connected with moving rods which are convenient for moving the device, and the two moving rods are U-shaped.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the utility model as claimed.

According to the utility model, the detachable filter screen is arranged on the radiating holes on the protective cover, so that when the motor works, the motor can be radiated, the safety of the motor is ensured, dust and impurities are prevented from entering the protective cover, the inside of the protective cover is ensured to be clean and tidy, the damage probability of the motor is further reduced, and the U-shaped movable rods are arranged on the two sides of the top plate, so that when the device needs to be moved, the movable rods can be manually lifted to move the device, and the device can be lifted by binding the ropes, so that the device can be moved, and the practicability of the device is ensured;

according to the utility model, the driving and protecting mechanism and the supporting component are arranged on the device, so that the motor can be directly started to rotate through the bevel gears when the pressing and testing are needed, the middle plate is driven to lift, the pressing and testing are ensured to be more stable and firm, the pressing is ensured to be smoothly carried out, the accuracy of the testing result is ensured, the device can be protected when the device works or is placed, the motor and the bevel gears are prevented from being stained with dust and impurities, the running fluency of the motor and the bevel gears is ensured, the internal friction of the motor and the bevel gears is reduced, the service life of the motor and the bevel gears is prolonged, the device can be integrally far away from a plane, the damage of the bottom plate due to dust and water stain erosion is reduced, and the long-term durability of the device is ensured.

Drawings

Fig. 1 is a schematic front view of a pressing device for PCB testing according to an embodiment of the present utility model;

fig. 2 is a schematic rear view of a pressing device for PCB testing according to an embodiment of the present utility model;

fig. 3 is a schematic diagram illustrating a front cross-sectional structure of a pressing device for PCB testing according to an embodiment of the present utility model;

fig. 4 is a schematic top cross-sectional rear view of a pressing device for PCB testing according to an embodiment of the present utility model.

Reference numerals:

1. a top plate; 2. a middle plate; 3. a bottom plate; 4. a slide bar; 5. a screw rod; 6. a moving rod; 7. a protective cover; 8. a mounting frame; 9. a filter screen; 10. a support column; 11. a motor; 12. a rotating lever; 13. a first bevel gear; 14. a second bevel gear; 15. and a third bevel gear.

Detailed Description

Embodiments of the present utility model will be described below with reference to the accompanying drawings in the embodiments of the present utility model.

In describing embodiments of the present utility model, it should be noted that, unless explicitly stated and limited otherwise, the terms "coupled" and "mounted" should be interpreted broadly, and for example, "coupled" may or may not be detachably coupled; may be directly connected or indirectly connected through an intermediate medium. In addition, "communication" may be direct communication or may be indirect communication through an intermediary. Wherein, "fixed" means that the relative positional relationship is not changed after being connected to each other. References to orientation terms, such as "inner", "outer", "top", "bottom", etc., in the embodiments of the present utility model are merely to refer to the orientation of the drawings and, therefore, the use of orientation terms is intended to better and more clearly illustrate and understand the embodiments of the present utility model, rather than to indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be construed as limiting the embodiments of the present utility model.

In embodiments of the present utility model, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature.

Example 1

Referring to fig. 1-4, a pressing device includes:

the upper needle plate and the lower needle plate are fixedly arranged on one side, close to the middle plate 2 and the bottom plate 3, of the top plate 1, the middle plate 2 and the bottom plate 3 respectively through bolts, four sliding rods 4 are fixedly connected to one side, close to the top plate 1 and the bottom plate 3, of the middle plate 2, the middle plate 2 is sleeved on the four sliding rods 4 in a sliding manner, and the four sliding rods 4 are respectively positioned at four corners of the top plate 1, the middle plate 2 and the bottom plate 3;

the driving mechanism is arranged on the top plate 1 and is used for driving the middle plate 2;

the protection mechanism is arranged on the top plate 1 and used for protecting the driving mechanism;

and a support assembly provided on the base plate 3 for supporting the device.

Set up drive and protection machanism on the device to and supporting component, make when needs pressfitting, and the test, can directly start motor 11, rotate through a plurality of bevel gears, and then drive medium plate 2 and go up and down, guarantee when pressfitting and test, more stable and firm, and then guarantee going on smoothly of pressfitting, guarantee the accuracy of test result, also make when the device works or place, all can protect it, and then prevent motor 11 and bevel gear are stained with dust and impurity, guarantee its moving smoothness nature, and then reduce its inside friction, increase the life of both, the plane can wholly be kept away from to the device simultaneously, reduce the harm of bottom plate 3 bottom by dust and water stain erosion, and then guarantee the long-term durable of device.

Referring to fig. 3 and 4, the driving mechanism includes motor 11, two lead screws 5, two dwang 12, four No. one bevel gears 13, no. two bevel gears 14 and two No. three bevel gears 15, the bottom of motor 11 and the top fixed connection of roof 1, the both ends of two dwang 12 all with No. one bevel gears 13 fixed connection, the output shaft of motor 11 and No. two bevel gears 14 fixed connection, no. two bevel gears 14 mesh with No. one bevel gears 13 of two dwang 12 one ends, the respectively with two No. three bevel gears 15 intermesh of No. one bevel gears 13 of two dwang 12 other ends, the one end at lead screw 5 is established to two No. three bevel gears 15 all fixed cover, the one end of two lead screws 5 runs through the top of roof 1 and medium plate 2 and rotates with the top both sides of bottom plate 3 to be connected, two lead screws 5 all rotate with same medium plate 2 threaded connection, two lead screws 5 all are located the centre of 4 with same roof 1, two dwang 12 all rotate the cover and are equipped with two connecting block 1's top fixed connection.

Starting motor 11, motor 11's output shaft drives No. two bevel gears 14 and rotates, no. two bevel gears 14 drive two No. one bevel gears 13 and rotate, no. two bevel gears 13 drive dwang 12 and two other bevel gears 13 rotate, and then make No. three bevel gears 15 rotate, no. three bevel gears 15 drive lead screw 5 and rotate, thereby let medium plate 2 go up and down on slide bar 4, and then drive the faller and be close to down the faller, and then press together and test, so that when needing the pressfitting, and during the test, can directly start motor 11, rotate through a plurality of bevel gears, and then drive medium plate 2 and go up and down, guarantee when pressing together and testing, more stable and firm, and then guarantee going on smoothly of pressfitting, guarantee the accuracy of test result.

Referring to fig. 1-2, the protection mechanism comprises a protection cover 7, the bottom of the protection cover 7 is fixedly connected with the top of the top plate 1 through bolts, the motor 11 is located in the protection cover 7, the edge of the top of the protection cover 7 is arc-shaped, and heat dissipation holes for heat dissipation of the motor 11 are formed in the rear side of the protection cover 7.

Set up safety cover 7 on motor 11 and a plurality of bevel gears for when the device work or place, all can protect it, and then prevent that motor 11 and bevel gear from being infected with dust and impurity, guarantee its moving smoothness nature, and then reduce its inside friction, increase the life of both.

Referring to fig. 2, the support assembly includes four support columns 10, the tops of the four support columns 10 are fixedly connected with four corners of the bottom of the same bottom plate 3, and the bottoms of the four support columns 10 are fixedly connected with anti-slip pads.

The support column 10 and the anti-slip pad are arranged at the bottom of the bottom plate 3, so that the device can be integrally far away from a plane, the damage of the bottom plate 3 due to dust and water stain erosion is reduced, and the long-term durability of the device is further ensured.

The application can be used in the technical field of PCB test lamination, and can also be used in other fields suitable for the application.

Example 2

Referring to fig. 1-4, a bonding apparatus for PCB testing, comprising:

and a support assembly provided on the base plate 3 for supporting the device.

The protective cover 7 is provided on the motor 11 and the plurality of bevel gears so that the device can be protected when it is operated or placed.

Referring to fig. 2, a mounting frame 8 is fixedly connected to the rear side of the protective cover 7 by bolts, heat dissipation holes are formed in the mounting frame 8, and a filter screen 9 is fixedly connected to the inner wall of the mounting frame 8.

The radiating hole on the protective cover 7 is provided with the detachable filter screen 9, so that the motor 11 can be radiated when in work, the safety of the motor 11 is ensured, dust and impurities are prevented from entering the protective cover 7, the inside of the protective cover 7 is ensured to be clean and tidy, and the damage probability of the motor 11 is further reduced.

Referring to fig. 1-2, both sides of the top plate 1 are fixedly connected with a moving rod 6 which is convenient for moving the device, and the two moving rods 6 are all U-shaped.

The U-shaped movable rods 6 are arranged on the two sides of the top plate 1, so that when a device needs to be moved, the movable rods 6 can be manually lifted to move the device, and the device can be lifted through binding of ropes, so that the device can be moved, and the practicability of the device is guaranteed.

However, the working principle and the wiring method of the motor 11 are well known to those skilled in the art, and all of them are conventional means or common knowledge, and are not described herein in detail, and any choice can be made by those skilled in the art according to their needs or convenience.

The working principle and the using flow of the technical scheme are as follows: when the device is specifically used, the motor 11 is started, the output shaft of the motor 11 drives the second bevel gear 14 to rotate, the second bevel gear 14 drives the two first bevel gears 13 to rotate, the two first bevel gears 13 drive the rotating rod 12 and the other two first bevel gears 13 to rotate, the third bevel gear 15 further rotates, the third bevel gear 15 drives the screw rod 5 to rotate, the middle plate 2 is lifted on the sliding rod 4, the upper needle plate is further driven to be close to the lower needle plate for lamination and testing, thus the motor 11 can be directly started, the plurality of bevel gears are rotated to further drive the middle plate 2 to lift during lamination and testing, the lamination is ensured to be more stable and firm, the smooth performance of lamination is ensured, the accuracy of the testing result is ensured, the protective cover 7 is arranged on the motor 11 and the plurality of bevel gears, when the device works or is placed, the device can be protected, dust and impurities are prevented from being polluted by the motor 11 and the bevel gear, the running smoothness of the device is ensured, the internal friction of the device is reduced, the service life of the motor 11 and the bevel gear is prolonged, a detachable filter screen 9 is arranged at a radiating hole on the protective cover 7, the motor 11 can be radiated when the motor 11 works, the safety of the motor 11 is ensured, dust and impurities are prevented from entering the protective cover 7, the inside of the protective cover 7 is ensured to be clean and tidy, the damage probability of the motor 11 is further reduced, a support column 10 and an anti-slip mat are arranged at the bottom of the bottom plate 3, the device can be integrally far away from a plane, the damage of the bottom plate 3 due to dust and water stain is reduced, the long-lasting durability of the device is further ensured, U-shaped movable rods 6 are arranged at two sides of the top plate 1, when the device is required to be moved, the movable rod 6 can be lifted manually to move the device, and the device can be lifted by binding ropes, so that the device can be moved, the practicability of the device is ensured, and the working principles of the top plate 1, the middle plate 2, the bottom plate 3, the upper needle plate and the lower needle plate are the same as those of the patent with the publication number of CN218885998U and are described in detail in a comparison document, so that redundant description is omitted herein.

The present utility model is not limited to the above embodiments, and any person skilled in the art can easily think about the changes or substitutions within the technical scope of the present utility model, and the changes or substitutions are intended to be covered by the scope of the present utility model; embodiments of the utility model and features of the embodiments may be combined with each other without conflict. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.

Claims

1. A bonding apparatus for PCB testing, comprising:

the novel multifunctional movable needle board comprises a top board (1), a middle board (2) and a bottom board (3), wherein the top board (1), the middle board (2) and the bottom board (3) are sequentially arranged up and down, one side, close to the middle board (2) and the bottom board (3), of the middle board is fixedly provided with an upper needle board and a lower needle board through bolts respectively, four sliding rods (4) are fixedly connected to one side, close to the top board (1) and the bottom board (3), of the middle board (2) respectively, the four sliding rods (4) are sleeved on the four sliding rods (4) in a sliding mode, and the four sliding rods (4) are located at four corners of the top board (1), the middle board (2) and the bottom board (3) respectively;

the driving mechanism is arranged on the top plate (1) and used for driving the middle plate (2);

the protection mechanism is arranged on the top plate (1) and used for protecting the driving mechanism;

and the supporting component is arranged on the bottom plate (3) and used for supporting the device.

2. The pressing device for PCB test according to claim 1, wherein the driving mechanism comprises a motor (11), two screw rods (5), two rotating rods (12), four first bevel gears (13), two second bevel gears (14) and two third bevel gears (15), the bottom of the motor (11) is fixedly connected with the top of the screw rod (1), two ends of the rotating rods (12) are fixedly connected with the first bevel gears (13), the output shaft of the motor (11) is fixedly connected with the second bevel gears (14), the second bevel gears (14) are meshed with the first bevel gears (13) at one ends of the two rotating rods (12), the first bevel gears (13) at the other ends of the two rotating rods (12) are respectively meshed with the two third bevel gears (15), the two third bevel gears (15) are fixedly sleeved at one end of the screw rods (5), one end of each screw rod (5) penetrates through the top plate (1) and the top plate (2) and is fixedly connected with the top plate (5) at the two sides of the screw rods (5), the two middle plates (4) are connected with the two screw rods (5) in a threaded mode, the middle plates (4) are connected with the two middle plates (5), the two rotating rods (12) are all sleeved with connecting blocks in a rotating mode, and the two connecting blocks are fixedly connected with the top of the same top plate (1).

3. The pressing device for the PCB test according to claim 2, wherein the protection mechanism comprises a protection cover (7), the bottom of the protection cover (7) is fixedly connected with the top of the bolt and the top plate (1), the motor (11) is located in the protection cover (7), the top edge of the protection cover (7) is arc-shaped, and the rear side of the protection cover (7) is provided with a heat dissipation hole for heat dissipation of the motor (11).

4. The pressing device for testing the PCB according to claim 1, wherein the supporting component comprises four supporting columns (10), the tops of the four supporting columns (10) are respectively and fixedly connected with four corners of the bottom of the same bottom plate (3), and anti-slip pads are fixedly connected to the bottoms of the four supporting columns (10).

5. A pressing device for PCB testing according to claim 3, wherein the rear side of the protective cover (7) is fixedly connected with a mounting frame (8) by bolts, the inside of the mounting frame (8) is a heat dissipation hole, and a filter screen (9) is fixedly connected to the inner wall of the mounting frame (8).

6. The pressing device for testing the PCB according to claim 1, wherein moving rods (6) which are convenient for moving the device are fixedly connected to two sides of the top plate (1), and the two moving rods (6) are U-shaped.