CN214384607U

CN214384607U - Vibration aging testing device

Info

Publication number: CN214384607U
Application number: CN202120329947.2U
Authority: CN
Inventors: 席道义; 谢洪春; 黄桂英; 温丽娜
Original assignee: Kaide Instrument Shenzhen Co ltd
Current assignee: Kaide Instrument Shenzhen Co ltd
Priority date: 2021-02-04
Filing date: 2021-02-04
Publication date: 2021-10-12
Anticipated expiration: 2031-02-04

Abstract

The application relates to the technical field of detection equipment, in particular to a vibration aging test device which comprises a base, a vibration motor arranged on the base and a placing frame arranged on an output shaft of the vibration motor and used for placing a circuit board; place the circuit board on placing the frame, then operation vibrating motor orders about and places the frame and appear rocking for rocking appears placing the circuit board of frame, when the electrical components welding fastness on the circuit board is relatively poor, can lead to electrical components and circuit board to drop, and then judge that this circuit board needs to be reprocessed, and simple easy operation has improved staff's inspection efficiency, and can ensure that the component of qualified circuit board can be normal use for a long time, and then promoted the yields of product.

Description

Vibration aging testing device

Technical Field

The application relates to the field of detection equipment, in particular to a vibration aging testing device.

Background

At present, a printed circuit board plays a role in mounting and supporting and electrically connecting electronic components in an electronic product, so that the welding firmness is an extremely important technical index, the performance and reliability of the whole machine are directly influenced due to poor welding of elements, desoldering or insufficient welding and the like can occur in the using process, light persons need to rework the places with poor welding, heavy persons can not repair the components in large batch, and even the components on the circuit board are scrapped, so that great economic loss is caused.

With respect to the related art, the inventors consider that: there is a need for an inspection apparatus for inspecting a soldered circuit board to ensure that the solder integrity of components on the circuit board is sufficient.

SUMMERY OF THE UTILITY MODEL

In order to ensure that the welding firmness of the components on the circuit board is strong enough, the application provides a vibration aging testing device.

The application provides a vibration aging testing device adopts following technical scheme:

the utility model provides a vibration aging testing device, includes the base, install in vibrating motor on the base, and install in on the vibrating motor output shaft and be used for placing the frame of placing of circuit board.

Through adopting above-mentioned technical scheme, place the circuit board on placing the frame, then operation vibrating motor, order about and place the frame and appear rocking, make the circuit board of placing the frame appear rocking, when electrical components welding fastness on the circuit board is relatively poor, can lead to electrical components and circuit board to drop, and then judge that this circuit board needs to be reprocessed, simple easy operation has improved staff's inspection efficiency, and can ensure that the component of qualified circuit board can normally be used for a long time, and then promoted the yields of product.

Preferably, the placing frame is provided with an upward opening, and a connecting piece for adhering the circuit board is arranged on the placing frame.

By adopting the technical scheme, the circuit board is bonded in the placing frame through the connecting piece, so that the circuit board can vibrate at the same frequency as the placing frame, and the damage of the circuit board caused by the collision of the circuit board and the placing frame is reduced.

Preferably, the connecting piece comprises a first adhesive layer adhered to the bottom wall of the placing frame, a base material adhered to the side, away from the placing frame, of the first adhesive layer, and a second adhesive layer adhered to the side, away from the first adhesive layer, of the base material and used for adhering the circuit board, wherein the viscosity of the second adhesive layer is smaller than that of the first adhesive layer.

By adopting the technical scheme, the first adhesive layer and the second adhesive layer with different viscosities enable the first adhesive layer not to be easily separated from the placing frame when the circuit board is separated from being adhered to the second adhesive layer, so that the connecting piece can be repeatedly used, and the resource utilization rate is improved; on the other hand, the staff is not required to replace a new connecting piece every time, and the detection efficiency of the staff is further improved.

Preferably, the connecting piece is provided with a plurality of along placing the frame diapire.

By adopting the technical scheme, the plurality of connecting pieces enable the first placing frame to place a plurality of circuit boards, so that the detection efficiency of the circuit boards is improved; on the other hand, the applicability of the testing device is improved.

Preferably, the placement frame comprises a bottom plate and four side plates fixedly connected to four sides of the bottom plate respectively, and cushion pads are fixedly connected to inner side walls of the side plates.

Through adopting above-mentioned technical scheme, the blotter can be protected the marginal part that the circuit board is close to the curb plate, reduces the striking of circuit board and curb plate.

Preferably, wherein two are relative the curb plate all is equipped with the groove of stepping down of a plurality of one-to-ones along vertical direction, it is equipped with a plurality of both ends and can inlays respectively and locate two relatively to place the frame the compressing rod in the inslot of stepping down, it still is equipped with and orders about to place the frame compressing rod with the circuit board support tightly in place the driving piece of frame diapire.

Through adopting above-mentioned technical scheme, will compress tightly two inslots of stepping down that the pole embedding corresponds, the groove of stepping down plays the effect of location to compressing tightly the pole for compress tightly the pole downside and contradict in the circuit board, then change the operating condition of driving piece, make and compress tightly the pole with the circuit board on placing the frame bottom plate, and then reduce the circuit board at the in-process of vibration, appear with the condition of placing the frame and taking place relative motion, simple easy operation.

Preferably, the compression bar rotates connect in one of them the curb plate, the curb plate is equipped with the joint groove along the horizontal direction, the driving piece connects in relative another including rotating gag lever post, the sliding connection of curb plate in the joint inslot joint piece, and be used for ordering about joint piece one end roll-off the spring in joint groove, spring other end fixed connection in the tank bottom in joint groove, other end fixed connection in joint piece one end, the gag lever post is equipped with the confession the hole of stepping down that the joint piece runs through.

Through adopting above-mentioned technical scheme, after compressing tightly the corresponding two grooves of stepping down of pole embedding, rotate the gag lever post, order about the joint piece with the hand simultaneously and get into the joint inslot for the gag lever post supports tightly in compressing tightly, when the joint groove with step down the hole intercommunication, the joint piece is under the elasticity recovery effect of spring, the opening in joint piece one end roll-off joint groove, and enter into the hole of stepping down, make gag lever post and curb plate relatively fixed, that is to say, will compress tightly the pole and place the frame relatively fixed, simple easy operation.

Preferably, the clamping block is provided with a first guide inclined plane on the upper side for abutting against the limiting rod.

Through adopting above-mentioned technical scheme, the gag lever post can contradict the first direction inclined plane on the joint piece when the orientation that is towards the compression bar rotates, and then plays extruded effect to the joint piece for the joint piece is automatic to be entered into the joint inslot, and then reduces staff's intensity of labour, has improved detection efficiency.

Preferably, all the pressing rods are rotatably connected with the side plates through connecting shafts, and one limiting rod abuts against all the pressing rods.

Through adopting above-mentioned technical scheme, through a connecting axle and a connecting rod, produce the relation of connection to compressing tightly pole and gag lever post and placing the frame respectively, can make this testing arrangement's structure compacter.

Preferably, the ends of all the pressing rods far away from the rotation center are connected through a connecting rod.

Through adopting above-mentioned technical scheme, through the connecting rod for the staff rotates a connecting rod, just can produce relative rotation with a plurality of compressing tightly poles and placing the frame, is greatly improving staff's detection efficiency.

In summary, the present application includes at least one of the following beneficial technical effects:

1. whether the welding firmness of the circuit board and the circuit element connected with the circuit board is enough or not can be effectively detected through the matching use of the vibration motor, the placing frame and the connecting piece, and the yield of products is further improved;

2. the limiting rod and the pressing rod are matched for use, so that the circuit board can be effectively prevented from colliding with the placing frame, and the circuit board is protected.

Drawings

Fig. 1 is a schematic structural diagram of a first embodiment of the present application.

Fig. 2 is an enlarged view of a portion a of fig. 1 to show the connecting member.

Fig. 3 is a schematic structural diagram of a second embodiment of the present application.

Fig. 4 is a schematic structural view for showing the stopper rod.

Fig. 5 is an enlarged view of portion B of fig. 4 to show the driving member.

Description of reference numerals: 1. a base; 11. a vibration motor; 2. placing the frame; 21. an opening; 22. a base plate; 23. a side plate; 24. a yielding groove; 3. a connecting member; 31. a first adhesive layer; 32. a substrate; 33. a second adhesive layer; 4. a cushion pad; 5. a hold down bar; 6. a drive member; 61. a limiting rod; 62. a clamping block; 63. a spring; 64. a first guide slope; 65. a clamping groove; 66. a hole of abdication; 7. a connecting shaft; 8. a connecting rod; 9. and (7) connecting the sheets.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses vibration aging testing device.

Embodiment 1, referring to fig. 1 and 2, a vibration aging testing device includes a base 1, a vibration motor 11 installed on the base 1, and a placement frame 2 installed on an output shaft of the vibration motor 11, the placement frame 2 having an upward opening 21, and in this embodiment, the placement frame 2 includes a bottom plate 22 fixedly connected to the output shaft of the vibration motor 11, and four side plates 23 welded to four sides of the bottom plate 22, respectively, the side plates 23 extend toward the bottom plate 22 in a direction away from the base 1, and a connection member 3 provided on the placement frame 2 for adhering a circuit board to the bottom plate 22, in this embodiment, the connection member 3 includes a first adhesive layer 31 adhered to an upper side of the bottom plate 22, a base material 32, and a second adhesive layer 33, and the first adhesive layer 31 and the second adhesive layer 33 are adhered to two opposite sides of the base material 32, respectively.

In the actual detection process, only need with the circuit board adhesion on the one side that second viscous layer 33 deviates from substrate 32, then operation vibrating motor 11, the drive is placed frame 2 and circuit board and is vibrated together, vibrating motor 11 operation end time after-run stop operation, then through observing whether circuit element on the circuit board separates with the circuit board, and then judge the firm in connection nature of circuit element and circuit board, simple easy operation, the effectual detection efficiency who improves the staff, and connecting piece 3 can reduce the circuit board and place frame 2 and take place relative movement, and then play the effect of protection to the circuit board.

Preferably, the viscosity of the first adhesive layer 31 is greater than that of the second adhesive layer 33, so that when the circuit board after detection is taken out, the first adhesive layer 31 cannot be separated from the bottom plate 22 along with the movement of the circuit board, that is, the connecting member 3 can be recycled, and the reutilization rate of the connecting member 3 is improved; on the other hand, the detection efficiency of workers is also improved; in this embodiment, the side plate 23 has a cushion pad 4 adhered to the inner side wall thereof, so as to further protect the circuit board.

In this embodiment, the connecting member 3 is adhered along the upper side of the bottom plate 22 in a plurality of numbers, so that a plurality of circuit boards can be detected at one time, and the applicability of the testing device is improved.

The implementation principle of the embodiment 1 is as follows: the circuit board is placed on the bottom plate 22, so that the circuit board is adhered to the second adhesive layer 33, the circuit board and the placing frame 2 are relatively fixed, then the vibration motor 11 is operated to drive the placing frame 2 to vibrate, the vibration motor 11 stops operating after operating for a period of time, and then whether the circuit element is separated from the circuit board or not is observed, so that whether the connection firmness of the element and the circuit board is enough or not is ensured, the operation is simple and easy, and the detection efficiency of workers is improved; on the other hand, the yield of the product is effectively improved.

Embodiment 2, referring to fig. 3 and 4, the difference between this embodiment and embodiment 1 is that, in order to further avoid the relative shaking phenomenon between the circuit board and the placing frame 2 during the detection process, the placing frame 2 is rotatably connected with a plurality of pressing rods 5 for abutting against the upper side of the circuit board, and a driving member 6 (as shown in fig. 5) for cooperating with the pressing rods 5 to press the circuit board onto the bottom plate 22, wherein two opposite side plates 23 of the placing frame 2 are respectively provided with an abdicating groove 24 for the pressing rods 5 to be inserted into along the vertical direction, so as to position the pressing rods 5; meanwhile, the two abdicating grooves 24 correspond to each other one by one to form an abdicating groove group, in this embodiment, a plurality of abdicating groove groups are arranged along the length direction of the side plate 23, so that a plurality of pressing rods 5 are embedded into the placing frame 2, and the groove bottoms of the abdicating grooves 24 are at the same height as the upper side of the circuit board placed on the bottom plate 22.

Referring to fig. 4 and 5, the driving member 6 includes a position-limiting rod 61 rotatably connected to the outer wall of one of the side plates 23 having the position-limiting groove 24, a clamping block 62, and a spring 63 having one end fixedly connected to one end of the clamping block 62, the outer wall of the side plate 23 is provided with a clamping groove 65 along the horizontal direction, one end of the position-limiting rod 61 away from the rotation center thereof is provided with a position-limiting hole 66 for the clamping block 62 to be inserted into, the other end of the spring 63 is fixedly connected to the bottom of the clamping groove 65, and the spring 63 drives one end of the clamping block 62 to slide out of the opening 21 of the clamping groove 65 and enter the position-limiting hole 66, during actual operation, the pressing rod 5 is pressed against the upper side of the circuit board, then the position-limiting rod 61 is rotated, after the position-limiting hole 66 of the position-limiting rod 61 is communicated with the clamping groove 65, the spring 63 drives the clamping block 62 to slide into the position-limiting hole 66 under the action of its own elasticity, so that the position-limiting rod 61, the pressing rod 5, the placing frame 2, and the circuit board are relatively fixed, and then avoid the circuit board in the testing process with place frame 2 and take place relative movement, play the effect of protection to the circuit board, improved the detection precision simultaneously.

In order to reduce the labor intensity of the worker, the upper side of the clamping block 62 is provided with a first guide inclined surface 64 for abutting against the limiting rod 61, when the limiting rod 61 abuts against the first guide inclined surface 64, the limiting rod 61 rotates continuously to extrude the clamping block 62 into the clamping groove 65, so that the worker does not need to extrude the clamping block 62 into the clamping groove 65 by hands in advance; more excellent, the one end that its rotation center was kept away from to whole compressing tightly pole 5 is passed through connecting rod 8 and is connected for the handheld rotation connecting rod 8 of staff just can drive whole compressing tightly pole 5 and rotate, the effectual work efficiency that improves the staff.

Referring back to fig. 3 and 4, in order to improve the structural compactness of the testing device, all the pressing rods 5 are connected with the side plate 23 through a connecting shaft 7, the connecting shaft 7 is connected with the side plate 23 through two connecting pieces 9, and two ends of the connecting shaft 7 are respectively connected with the two connecting pieces 9 in a rotating manner; and, a gag lever post 61 is contradicted in whole pressure bar 5, has further improved this testing arrangement's suitability.

The implementation principle of the embodiment 2 is as follows: place the circuit board on bottom plate 22, then rotate compression bar 5, make compression bar 5 contradict in the circuit board upside, then rotate gag lever post 61, make gag lever post 61 support tightly in compression bar 5, at this moment, joint piece 62 is under the spring action of spring 63, get into the hole 66 of stepping down of gag lever post 61, and then make the circuit board with place frame 2 relatively fixed, and then make in the testing process, the circuit board can not take place relative movement with placing frame 2, play the effect of protection to the circuit board.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A vibration aging testing device is characterized in that: the circuit board placing device comprises a base (1), a vibration motor (11) installed on the base (1), and a placing frame (2) installed on an output shaft of the vibration motor (11) and used for placing a circuit board.

2. The vibration aging test apparatus according to claim 1, wherein: the placing frame (2) is provided with an upward opening (21), and a connecting piece (3) used for adhering a circuit board is arranged on the placing frame (2).

3. The vibration aging test apparatus according to claim 2, wherein: the connecting piece (3) comprises a first adhesive layer (31) adhered to the bottom wall of the placement frame (2), a base material (32) adhered to the side, deviating from the placement frame (2), of the first adhesive layer (31), and a second adhesive layer (33) adhered to the side, deviating from the first adhesive layer (31), of the base material (32), wherein the adhesion of the second adhesive layer (33) is smaller than that of the first adhesive layer (31).

4. The vibration aging test apparatus according to claim 2, wherein: the connecting piece (3) is provided with a plurality of along place frame (2) diapire.

5. The vibration aging test apparatus according to claim 1, wherein: the placing frame (2) comprises a bottom plate (22) and four side plates (23) fixedly connected to four sides of the bottom plate (22) respectively, and cushion pads (4) are fixedly connected to the inner side walls of the side plates (23).

6. The vibration aging test apparatus according to claim 5, wherein: wherein two are relative curb plate (23) all are equipped with a plurality of one-to-one groove of stepping down (24) along vertical direction, it is equipped with a plurality of both ends and can inlay respectively and locate two relative to place frame (2) compressing rod (5) in groove of stepping down (24), it still is equipped with and orders about to place frame (2) compressing rod (5) with the circuit board support tightly in place driving piece (6) of frame (2) diapire.

7. The vibration aging testing apparatus according to claim 6, wherein: compress tightly pole (5) and rotate to be connected in one of them curb plate (23), curb plate (23) are equipped with joint groove (65) along the horizontal direction, driving piece (6) connect in relative another including rotating gag lever post (61), the sliding connection of curb plate (23) in joint groove (65) joint piece (62), and be used for ordering about joint piece (62) one end roll-off spring (63) of joint groove (65), spring (63) other end fixed connection in tank bottom, the other end fixed connection of joint groove (65) in joint piece (62) one end, gag lever post (61) is equipped with the confession joint piece (62) run through hole of stepping down (66).

8. The vibration aging test apparatus according to claim 7, wherein: the upper side of the clamping block (62) is provided with a first guide inclined plane (64) used for abutting against the limiting rod (61).

9. The vibration aging test apparatus according to claim 7, wherein: all the pressing rods (5) are rotatably connected with the side plates (23) through connecting shafts (7), and one limiting rod (61) abuts against all the pressing rods (5).

10. The vibration aging test apparatus according to claim 7, wherein: and one ends of all the pressing rods (5) far away from the rotating center are connected through connecting rods (8).