CN210742446U

CN210742446U - Detection workbench for printed circuit board

Info

Publication number: CN210742446U
Application number: CN201921452044.2U
Authority: CN
Inventors: 李菲
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-09-02
Filing date: 2019-09-02
Publication date: 2020-06-12
Anticipated expiration: 2029-09-02

Abstract

The utility model discloses a detection workbench of printed circuit board, press from both sides structure, circuit board clamp, adjusting screw, pressure jacket, first spring, cushion rubber pad, contact pilotage structure, lift-up pole, first contact pilotage, second spring, second contact pilotage, contact pilotage pivot and stretch out the hole including operation mesa, support arm structure, support arm, stop collar, circuit board. The utility model has the advantages that: two cushion rubber pads have protected circuit board both sides not worn and torn, can freely compress tightly or separate the circuit board through adjusting screw, the circuit board presss from both sides wholly also can rotate around the rotary rod simultaneously, made things convenient for the detection achievement to circuit board both sides, when adjusting screw back-out or screw-in, first contact pilotage also can be along with the lifting and fall down, make things convenient for printed circuit board to put into the circuit board and press from both sides in, also can make the contact pilotage touch the position that the same point of cauterization on the circuit board is located the circuit board both sides simultaneously, effectively reduced the emergence of detection error, the efficiency of detection achievement has been improved.

Description

Detection workbench for printed circuit board

Technical Field

The utility model relates to a workstation specifically is a printed circuit board's detection workstation, belongs to printed circuit board and detects technical field.

Background

The printed circuit board { PCB circuit board }, also known as printed circuit board, is the provider of electrical connection of electronic components. Its development has been over 100 years old; the design of the method is mainly layout design; the circuit board has the main advantages of greatly reducing errors of wiring and assembly, and improving the automation level and the production labor rate.

However, when the manual detection mode is adopted for the detection of the printed circuit board, the circuit board needs to be turned over repeatedly when the electrical detection is performed due to the fact that the circuits are arranged on the two sides of the printed circuit board, and meanwhile due to the fact that the number of the burn-in points is large and the corresponding relation exists between the burn-in points on the front side and the burn-in points on the back side, error possibly occurs in the detection process, misjudgment occurs, the qualification rate of products is reduced, and the production efficiency and the benefit are not good and improved.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a printed circuit board's test bench just in order to solve above-mentioned problem, convenient operation effectively improves printed circuit board detection achievement's work efficiency, reduces the error operation.

The utility model realizes the above purpose by the following technical proposal, a detection workbench of a printed circuit board, which comprises an operation table top, one side of the operation table top is connected with a supporting arm structure, the supporting arm structure comprises a supporting arm and a rotary rod, one end of the supporting arm is fixedly connected with one side of the operation table top, the other end of the supporting arm is rotationally connected with the rotary rod, the other end of the rotary rod is connected with a circuit board clamp structure, the circuit board clamp structure comprises a circuit board clamp, an adjusting screw rod, a pressure sleeve first spring and a buffer rubber pad, one end of the circuit board clamp is fixedly connected with the other end of the rotary rod, one side of a branch end of the other end of the circuit board clamp is in threaded connection with the adjusting screw rod, one end of the adjusting screw rod is abutted against one inner side of the pressure sleeve, the outer side wall of the pressure sleeve is sleeved with the, one end of the first spring is abutted against one end of the pressure sleeve, the other end of the first spring is fixedly connected with an inner side wall of the circuit board clamp, the other end of the pressure sleeve is fixedly connected with one side face of a branch end of the circuit board clamp through the buffer rubber pad, one side of the pressure sleeve is connected with a contact pin structure, the contact pin structure comprises a lifting rod, a first contact pin, a second spring, a second contact pin, a contact pin rotating shaft and an extending hole, one end of the lifting rod is fixedly connected with one end of the pressure sleeve, the side face of the first contact pin is abutted against the other end of the lifting rod, one end of the first contact pin is rotatably connected with the contact pin rotating shaft, the contact pin rotating shaft is fixedly connected with an inner side face of the circuit board clamp, one end of the first contact pin is further connected with the second spring, and the other end of the second spring is fixedly connected with the other inner side face of the circuit board clamp, one end of the second contact pin is fixedly connected to the other branch end of the circuit board clamp, the other end of the second contact pin is abutted to the other end of the first contact pin, and the extending hole is formed in one branch end of the circuit board clamp.

Preferably, in order to prevent that the circuit board clamp from freely rotating, the influence operation, the support arm structure still includes lug and stop collar, the lug set up respectively in the relative position of the side of rotary rod, the stop collar is equipped with two, the one end fixed connection of stop collar in on the inside wall of support arm, the other end of stop collar with the side of rotary rod is inconsistent.

Preferably, in order to facilitate the placement of the printed circuit board and the installation, the circuit board clip is in a Y-shaped structure, and the two branch end sides of the circuit board clip are parallel to each other.

Preferably, in order to correctly indicate the positions of the target soldering points on the two sides of the circuit board, so that the inspection accuracy is improved, and the working efficiency is improved, the first contact pin and the second contact pin are both in an L-shaped structure, and the contact surfaces of the first contact pin and the second contact pin and the contact surfaces of the two buffer rubber pads are located on the same plane.

Preferably, in order to lift the rubber pad, the first contact pin can be lifted by a higher distance, so that the circuit board can be conveniently placed in the first contact pin, and the distance from the contact pin rotating shaft to the lifting rod is smaller than the distance from the lifting rod to the bent part of the first contact pin.

Preferably, in order to fix the position of the circuit board clip at a position where the circuit board is horizontally placed and facilitate the operation, a connecting line between the bumps is parallel to a connecting line between two branch ends of the circuit board clip, and a connecting line between the two limiting sleeves and mounting points of the supporting arms is perpendicular to the connecting line between the bumps.

The utility model has the advantages that: when the utility model is used, the two cushion rubber pads play an insulating effect and protect the two sides of the circuit board from being worn, when the printed circuit board is fixed between the two cushion rubber pads to detect the circuit board, the printed circuit board can be freely pressed or separated under the action of the adjusting screw rod, and simultaneously, the whole circuit board clamp can also rotate around the rotating rod, thereby facilitating the detection work of the two sides of the circuit board, meanwhile, when the adjusting screw rod is screwed out or screwed in, the first contact pin can be lifted and fall along with the adjusting screw rod, when the first contact pin is lifted, the printed circuit board is conveniently placed in the circuit board clamp, and when the first contact pin falls down, the contacts of the two contact pins can respectively contact the relative positions of the two sides of the circuit board, thereby simultaneously contacting the positions of the same cauterization point on the circuit board at the two sides of the circuit board, and effectively reducing the occurrence of detection errors, the contact pin is lifted and dropped along with the adjusting screw rod, so that the detection efficiency is improved, and the error rate is effectively reduced.

Drawings

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

FIG. 2 is a schematic diagram of the circuit board clip structure shown in FIG. 1;

FIG. 3 is a schematic view of the connection structure of the circuit board clip structure and the contact pin structure shown in FIG. 1;

fig. 4 is a schematic structural diagram of the support arm structure shown in fig. 1.

In the figure: 1. operation table top, 2, support arm structure, 21, support arm, 22, rotating rod, 23, bump, 24, stop collar, 3, circuit board clamp structure, 31, circuit board clamp, 32, adjusting screw, 33, pressure sleeve, 34, first spring, 35, cushion rubber pad, 4, contact pin structure, 41, lifting rod, 42, first contact pin, 43, second spring, 44, second contact pin, 45, contact pin rotating shaft, 46 and extending hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, a detection workbench for a printed circuit board includes an operation table top 1, a support arm structure 2 is connected to one side of the operation table top 1, the support arm structure 2 includes a support arm 21 and a rotary rod 22, one end of the support arm 21 is fixedly connected to one side of the operation table top 1, the other end of the support arm 21 is rotatably connected to the rotary rod 22, the other end of the rotary rod 22 is connected to a circuit board clamp structure 3, the circuit board clamp structure 3 includes a circuit board clamp 31, an adjusting screw 32, a first spring 34 of a pressure sleeve 33 and a buffer rubber pad 35, one end of the circuit board clamp 31 is fixedly connected to the other end of the rotary rod 22, one side of a branch end of the other end of the circuit board clamp 31 is in threaded connection with the adjusting screw 32, one end of the adjusting screw 32 is abutted to an inner side of the pressure sleeve 33, the outer side wall of the pressure sleeve 33 is sleeved with the first spring 34, one end of the first spring 34 is abutted against one end of the pressure sleeve 33, the other end of the first spring 34 is fixedly connected with one inner side wall of the circuit board clamp 31, the other end of the pressure sleeve 33 is fixedly mounted with one cushion rubber 35 on the side surface of a branch end of the circuit board clamp 31, one side of the pressure sleeve 33 is connected with a contact pin structure 4, the contact pin structure 4 comprises a lifting rod 41, a first contact pin 42, a second spring 43, a second contact pin 44, a contact pin rotating shaft 45 and an extending hole 46, one end of the lifting rod 41 is fixedly connected with one end of the pressure sleeve 33, the side surface of the first contact pin 42 is abutted against the other end of the lifting rod 41, one end of the first contact pin 42 is rotatably connected with the rotating shaft 45, and the contact pin rotating shaft 45 is fixedly connected with one inner side surface of the circuit board clamp 31, the second spring 43 is further connected to one end of the first contact pin 42, the other end of the second spring 43 is fixedly connected to the other inner side surface of the circuit board clamp 31, one end of the second contact pin 44 is fixedly connected to the other branch end of the circuit board clamp 31, the other end of the second contact pin 44 abuts against the other end of the first contact pin 42, and the extending hole 46 is opened in one branch end of the circuit board clamp 31.

As a technical optimization scheme of the utility model, support arm structure 2 still includes lug 23 and stop collar 24, lug 23 set up respectively in the relative position of the side of rotary rod 22, stop collar 24 is equipped with two, the one end fixed connection of stop collar 24 in on the inside wall of support arm 21, the other end of stop collar 24 with the side of rotary rod 22 is inconsistent.

As a technical optimization scheme of the utility model, circuit board clamp 31 is "Y" shape structure, just two branch end sides of circuit board clamp 31 are parallel to each other.

As a technical optimization scheme of the present invention, the first contact pin 42 and the second contact pin 44 are both in an "L" shape, and the contact surface of the first contact pin 42 and the second contact pin 44 and the contact surface of the two cushion rubber pads 35 are located on the same plane.

As a technical optimization of the present invention, a distance from the contact pin rotating shaft 45 to the lifting rod 41 is smaller than a distance from the lifting rod 41 to a bending portion of the first contact pin 42.

As a technical optimization scheme of the present invention, the line between the lugs 23 is parallel to the line between the two branch ends of the circuit board clip 31, and is two the position limiting sleeve 24 is perpendicular to the line between the mounting points of the supporting arms 21.

When the utility model is used, firstly, the operation table board 1 is horizontally arranged, the adjusting screw rod 32 is adjusted to be properly screwed out, after the adjusting screw rod 32 is screwed out, the pressure sleeve 33 is lifted under the action of the first spring 34, the buffer rubber pads 35 connected below are separated from the other buffer rubber pads 35, the lifting rod 41 arranged at the other end of the pressure sleeve 33 is lifted along with the lifting rod, so that the other end of the lifting rod 41 lifts the side surface of the first contact pin 42 simultaneously, the first contact pin 42 rotates around the contact pin rotating shaft 45, therefore, the contact end of the first contact pin 42 is separated from the contact end of the second contact pin 44 due to the lever action, at the moment, the tested printed circuit board is placed between the two buffer rubber pads 35, one side of the second contact pin 44 detected as a cauterized point is released from the contact end of the second contact pin 44, after the alignment is completed, the adjusting screw rod 32 is screwed again, the two buffer rubber pads 35 are pressed and fixed with the printed circuit board through the action of the pressure sleeve 33, simultaneously, the lifting rod 41 descends, so that the first contact pin 42 rotates around the contact pin rotating shaft 45 under the action of the second spring 43, the final contact end and the contact end of the second contact pin 44 are simultaneously located at the corresponding positions of the target cauterization point on the two sides of the circuit board, the circuit board clamp 31 can rotate around one end of the supporting arm 21, the electric detection work of a detector on the two sides of the circuit board is facilitated, meanwhile, when the circuit board clamp 31 is rotated, because the side surface of the rotating rod 22 is provided with the pair of convex blocks 23, the position of the circuit board when the circuit board is horizontally placed can be fixed under the action of the limiting sleeves 24 arranged on the two sides, the rotating rod 22 is prevented from continuously rotating, the smooth proceeding of the detection work is facilitated, and after the detection is completed, the printed circuit board fixed between the cushion rubber pads 35.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a detection workstation of printed circuit board, includes operation mesa (1), its characterized in that: one side of operation mesa (1) is connected with support arm structure (2), support arm structure (2) include support arm (21) and rotary rod (22), the one end fixed connection of support arm (21) in one side of operation mesa (1), the other end of support arm (21) rotates and is connected with rotary rod (22), the other end of rotary rod (22) is connected with circuit board clamp structure (3), circuit board clamp structure (3) include circuit board clamp (31), adjusting screw (32), pressure cover (33) first spring (34) and cushion rubber pad (35), the one end of circuit board clamp (31) with the other end fixed connection of rotary rod (22), one side threaded connection of a branch end of the other end of circuit board clamp (31) has adjusting screw (32), the one end of adjusting screw (32) with an inboard counterbalance of pressure cover (33), the outer side wall of the pressure sleeve (33) is sleeved with the first spring (34), one end of the first spring (34) is abutted to one end of the pressure sleeve (33), the other end of the first spring (34) is fixedly connected with one inner side wall of the circuit board clamp (31), the other end of the pressure sleeve (33) is fixedly provided with one buffer rubber pad (35) on the side face of one branch end of the circuit board clamp (31), one side of the pressure sleeve (33) is connected with the contact pin structure (4), the contact pin structure (4) comprises a lifting rod (41), a first contact pin (42), a second spring (43), a second contact pin (44), a contact pin rotating shaft (45) and a stretching hole (46), one end of the lifting rod (41) is fixedly connected with one end of the pressure sleeve (33), the side face of the first contact pin (42) is abutted to the other end of the lifting rod (41), the one end of first contact pin (42) rotate connect in contact pin pivot (45), contact pin pivot (45) with an medial surface fixed connection of circuit board clamp (31), the one end of first contact pin (42) still is connected with second spring (43), the other end fixed connection of second spring (43) in on another medial surface of circuit board clamp (31), the one end fixed connection of second contact pin (44) in another branch end of circuit board clamp (31), just the other end of second contact pin (44) with the other end of first contact pin (42) is inconsistent, stretch out hole (46) and set up in a branch end of circuit board clamp (31).

2. An inspection station for printed circuit boards as claimed in claim 1, wherein: support arm structure (2) still include lug (23) and stop collar (24), lug (23) set up respectively in the relative position of the side of rotary rod (22), stop collar (24) are equipped with two, the one end fixed connection of stop collar (24) in on the inside wall of support arm (21), the other end of stop collar (24) with the side of rotary rod (22) is inconsistent.

3. An inspection station for printed circuit boards as claimed in claim 1, wherein: the circuit board clamp (31) is of a Y-shaped structure, and the two branch end side surfaces of the circuit board clamp (31) are parallel to each other.

4. An inspection station for printed circuit boards as claimed in claim 1, wherein: the first contact pin (42) and the second contact pin (44) are both in an L-shaped structure, and the contact surfaces of the first contact pin (42) and the second contact pin (44) and the contact surfaces of the two buffer rubber pads (35) are located on the same plane.

5. An inspection station for printed circuit boards as claimed in claim 1, wherein: the distance from the contact pin rotating shaft (45) to the lifting rod (41) is smaller than the distance from the lifting rod (41) to the bending part of the first contact pin (42).

6. An inspection station for printed circuit boards as claimed in claim 2, wherein: the connecting line between the convex blocks (23) is parallel to the connecting line of the two branch ends of the circuit board clamp (31), and the connecting line between the two limiting sleeves (24) and the mounting points of the supporting arms (21) is vertical to the connecting line between the convex blocks (23).