CN216747892U

CN216747892U - Impedance testing machine for PCB

Info

Publication number: CN216747892U
Application number: CN202123423932.1U
Authority: CN
Inventors: 辛焕禄; 张刚
Original assignee: Jiangsu Xunwei Electronic Technology Co ltd
Current assignee: Jiangsu Xunwei Electronic Technology Co ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-06-14
Anticipated expiration: 2031-12-31

Abstract

The utility model discloses an impedance testing machine for a PCB (printed circuit board), which relates to the technical field of impedance testing machines and solves the technical problems that the existing impedance testing machine cannot clean dust outside the PCB, cannot prepare for detection and cannot automatically convey the PCB for detection; the tester comprises a bottom plate, wherein four bases which are distributed correspondingly are fixedly connected to the bottom of the bottom plate, a conveying mechanism is arranged at the top of the bottom plate, a cleaning mechanism is arranged at the top of the bottom plate, a fixing frame is fixedly connected to the outside of the bottom plate, and a tester body is arranged at the bottom of the fixing frame; the utility model can automatically clean the dust on the circuit board, thereby ensuring the accuracy of the test and automatically conveying and detecting the circuit board, and greatly saving the manpower.

Description

Impedance testing machine for PCB

Technical Field

The utility model relates to the technical field of impedance testing machines, in particular to an impedance testing machine for a PCB (printed circuit board).

Background

The PCB is called a Printed Circuit Board (PCB) in the name of the Chinese character, also called a PCB, is an important electronic component, is a support body of the electronic component, is a carrier for the electrical interconnection of the electronic component, is called a PCB because the PCB is manufactured by adopting the electronic printing technology, and generally needs an impedance tester to detect whether the PCB is qualified or not after the PCB is manufactured;

however, when a general impedance testing machine on the market is used, the existing testing mode is that the circuit board is manually held by hands and placed below the testing machine for testing, so that unnecessary workload of workers is increased.

SUMMERY OF THE UTILITY MODEL

The utility model provides an impedance testing machine for a PCB (printed circuit board), which solves the technical problems that the existing impedance testing machine cannot clean dust outside the PCB, so that the detection cannot be prepared and the automatic conveying of the PCB for detection cannot be carried out.

In order to solve the technical problem, the impedance test machine for the PCB comprises a bottom plate, wherein four bases which are distributed correspondingly are fixedly connected to the bottom of the bottom plate, a conveying mechanism is arranged at the top of the bottom plate, a cleaning mechanism is arranged at the top of the bottom plate, a fixing frame is fixedly connected to the outside of the bottom plate, and a test machine body is arranged at the bottom of the fixing frame.

Preferably, conveying mechanism includes fixed plate, pivot pole, conveyer belt, standing groove, backup pad, limiting plate, places board and first motor, the fixed plate of four corresponding distributions of top fixedly connected with of bottom plate, wherein per two the fixed plate is a set of, every group the inside of fixed plate all rotates and is connected with the pivot pole, two the outside of pivot pole is rotated and is connected with the conveyer belt, a plurality of evenly distributed's standing groove is seted up to the outside of conveyer belt, one of them the outside fixedly connected with of fixed plate places the board, the first motor of top fixedly connected with of placing the board, the output of first motor is connected with the pivot pole.

Preferably, clean mechanism includes position fixing plate, roof, connecting plate, threaded rod, joint board, movable rod, clean dish, drive belt, first gear, second motor and screens board, the equal fixedly connected with position fixing plate in both sides of bottom plate, two the top of position fixing plate is provided with the roof, the inside of roof rotates and is connected with the movable rod of two corresponding distributions, two the clean dish of the equal fixedly connected with in bottom of movable rod, two the outside of movable rod is rotated and is connected with the drive belt, one of them the first gear of top fixedly connected with of movable rod, the top fixedly connected with second motor of roof, the output fixedly connected with second gear of second motor, the second gear is connected with the tooth meshing of first gear.

Preferably, the top of the bottom plate is fixedly connected with two corresponding supporting plates, the top of the two supporting plates is fixedly connected with a limiting plate, and the limiting plate is located in the conveying belt.

Preferably, the top of roof fixedly connected with two screens boards that are the symmetric distribution, two the screens board is located the both sides of second motor.

Preferably, the outer parts of the two fixing plates are fixedly connected with clamping plates, the inner parts of the two clamping plates are in threaded connection with threaded rods, the two sides of the top plate are fixedly connected with connecting plates, and the threaded rods are rotatably connected in the connecting plates.

Compared with the related art, the impedance tester for the PCB provided by the utility model has the following beneficial effects:

1. through placing the circuit board in the standing groove, start first motor afterwards, the output of first motor begins to rotate this moment, drive the solid axostylus axostyle that connects and begin to rotate simultaneously, the conveyer belt that drives outside switching begins to rotate afterwards, it detects to drive the circuit board and remove to test machine body below afterwards, cooperation through the backup pad that sets up and limiting plate, can ensure that conveyer belt steady operation can not collapse down, can be automatic carry the below to the test machine body with the circuit board through this structure and detect, user's use has been made things convenient for greatly.

2. Through placing the circuit board in the standing groove, start the second motor afterwards, the output of second motor this moment begins to rotate, the second gear that drives the rigid coupling afterwards begins to rotate, drive the first gear of meshing afterwards and begin to rotate, the movable rod that drives first gear bottom rigid coupling simultaneously begins to rotate, the drive belt that drives the outside switching of movable rod afterwards begins to rotate, can drive another drive belt through the drive belt and begin to rotate, the cleaning disc of two movable rod bottom rigid couplings this moment rotates simultaneously, thereby clean the dust on the circuit board, through this structure can be quick convenient clean the dust on the circuit board, the user's use has been made things convenient for greatly.

Drawings

FIG. 1 is a schematic structural view of the present invention as a whole;

FIG. 2 is a schematic structural view of an integral side of the present invention;

FIG. 3 is a schematic view of the overall top view of the present invention;

fig. 4 is an enlarged schematic structural view of a portion a in fig. 2 according to the present invention.

Reference numbers in the figures: 1. a base plate; 2. a base; 3. a conveying mechanism; 301. a fixing plate; 302. a spindle rod; 303. a conveyor belt; 304. a placement groove; 305. a support plate; 306. a limiting plate; 307. placing the plate; 308. a first motor; 4. a fixed mount; 5. a tester body; 6. a cleaning mechanism; 601. a position-retaining plate; 602. a top plate; 603. a connecting plate; 604. a threaded rod; 605. a clamping and connecting plate; 606. a movable rod; 607. cleaning the disc; 608. a transmission belt; 609. a first gear; 610. a second gear; 611. a second motor; 612. screens board.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments; all other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the first embodiment, as shown in fig. 1 to 4, the testing machine comprises a bottom plate 1, four bases 2 distributed correspondingly are fixedly connected to the bottom of the bottom plate 1, a conveying mechanism 3 is arranged at the top of the bottom plate 1, a cleaning mechanism 6 is arranged at the top of the bottom plate 1, a fixing frame 4 is fixedly connected to the outside of the bottom plate 1, and a testing machine body 5 is arranged at the bottom of the fixing frame 4.

The circuit board can be automatically conveyed to the lower part of the testing machine body 5 through the arranged conveying mechanism 3 for detection, and the dust outside the circuit board can be conveniently cleaned through the arranged cleaning mechanism 6, so that the detection preparation performance is guaranteed.

Embodiment two, on the basis of embodiment one, conveying mechanism 3 includes fixed plate 301, pivot pole 302, conveyer belt 303, placing groove 304, supporting plate 305, limiting plate 306, place board 307 and first motor 308, four corresponding fixed plates 301 that distribute of top fixedly connected with of bottom plate 1, wherein every two fixed plates 301 are a set of, the inside of every fixed plate 301 of group all rotates and is connected with pivot pole 302, the outside of two pivot poles 302 is rotated and is connected with conveyer belt 303, a plurality of evenly distributed's placing groove 304 has been seted up to the outside of conveyer belt 303, the outside fixedly connected with of one fixed plate 301 places board 307, the top fixedly connected with first motor 308 of placing board 307, the output of first motor 308 is connected with pivot pole 302.

When needs are automatic to be examined, at first place the circuit board in standing groove 304, start first motor 308 afterwards, the output of first motor 308 this moment begins to rotate, it begins to rotate to drive solid change axle pole 302 simultaneously, the conveyer belt 303 that drives outside switching afterwards begins to rotate, drive the circuit board afterwards and remove and detect to test machine body 5 below, backup pad 305 through the setting and the cooperation of limiting plate 306, can ensure that conveyer belt 303 steady operation can not collapse down, can be automatic carry the circuit board to test machine body 5's below through this structure and detect, the user use has been made things convenient for greatly.

Third embodiment, on the basis of the first embodiment, the cleaning mechanism 6 includes a position-fixing plate 601, a top plate 602, a connecting plate 603, a threaded rod 604, a clamping plate 605, a movable rod 606, a cleaning disc 607, a transmission belt 608, a first gear 609, a second gear 610, a second motor 611 and a clamping plate 612, the position-fixing plate 601 is fixedly connected to both sides of the bottom plate 1, the top plate 602 is disposed on the top of the two position-fixing plates 601, the two movable rods 606 distributed correspondingly are rotatably connected to the inside of the top plate 602, the cleaning disc 607 is fixedly connected to the bottom of the two movable rods 606, the transmission belt 608 is rotatably connected to the outside of the two movable rods 606, the top of one of the movable rods 606 is fixedly connected with a first gear 609, the top of the top plate 602 is fixedly connected with a second motor 611, the output end of the second motor 611 is fixedly connected with a second gear 610, and the second gear 610 is in meshing connection with teeth of the first gear 609.

When the circuit board needs to be cleaned, the circuit board is firstly placed in the placing groove 304, then the second motor 611 is started, at the moment, the output end of the second motor 611 starts to rotate, then the second gear 610 which is fixedly connected is driven to start to rotate, then the first gear 609 which is meshed is driven to start to rotate, meanwhile, the movable rod 606 which is fixedly connected with the bottom of the first gear 609 starts to rotate, then the driving belt 608 which is used for driving the external transfer of the movable rod 606 starts to rotate, another driving belt 608 can be driven to start to rotate through the driving belt 608, at the moment, the cleaning discs 607 which are fixedly connected with the bottoms of the two movable rods 606 simultaneously rotate, and therefore dust on the circuit board is wiped, dust on the circuit board can be wiped clean quickly and conveniently through the structure, and the use of a user is greatly facilitated.

In the fourth embodiment, on the basis of the first embodiment, the top of the bottom plate 1 is fixedly connected with two corresponding supporting plates 305, the tops of the two supporting plates 305 are fixedly connected with a limiting plate 306, and the limiting plate 306 is located in the conveyer belt 303.

Through the cooperation of the limiting plate 306 and the supporting plate 305, the stable operation of the conveying belt 303 can be guaranteed without collapsing.

In the fifth embodiment, on the basis of the first embodiment, two symmetrically distributed retaining plates 612 are fixedly connected to the top of the top plate 602, and the two retaining plates 612 are located at two sides of the second motor 611.

The second motor 611 can be fixed more stably by the two blocking plates 612.

Sixth embodiment, on the basis of the first embodiment, the outer portions of the two fixing plates 601 are fixedly connected with clamping plates 605, the inner portions of the two clamping plates 605 are connected with threaded rods 604 in a threaded manner, the two sides of the top plate 602 are fixedly connected with connecting plates 603, and the threaded rods 604 are rotatably connected in the connecting plates 603.

Through rotating threaded rod 604, because threaded rod 604 and joint board 605 be threaded connection can upwards move when rotating, drive the connecting plate 603 upward movement of switching afterwards, drive the roof 602 of rigid coupling and rise upwards afterwards, can be convenient wipe grey to the circuit board of different thickness sizes through this structure, made things convenient for the user to use greatly.

The working principle is as follows:

It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An impedance testing machine for PCB circuit board, includes bottom plate (1), its characterized in that: the testing machine comprises a base plate (1), and is characterized in that four bases (2) which are correspondingly distributed are fixedly connected to the bottom of the base plate (1), a conveying mechanism (3) is arranged at the top of the base plate (1), a cleaning mechanism (6) is arranged at the top of the base plate (1), a fixing frame (4) is fixedly connected to the outside of the base plate (1), and a testing machine body (5) is arranged at the bottom of the fixing frame (4).

2. The impedance testing machine for the PCB circuit board according to claim 1, wherein the conveying mechanism (3) comprises a fixing plate (301), a rotating shaft rod (302), a conveying belt (303), a placing groove (304), a supporting plate (305), a limiting plate (306), a placing plate (307) and a first motor (308), four fixing plates (301) which are distributed correspondingly are fixedly connected to the top of the bottom plate (1), wherein every two fixing plates (301) form a group, the rotating shaft rod (302) is rotatably connected to the inside of each group of fixing plates (301), the conveying belt (303) is rotatably connected to the outside of the two rotating shaft rods (302), a plurality of uniformly distributed placing grooves (304) are formed in the outside of the conveying belt (303), the placing plate (307) is fixedly connected to the outside of one fixing plate (301), and the first motor (308) is fixedly connected to the top of the placing plate (307), the output end of the first motor (308) is connected with the rotating shaft rod (302).

3. The impedance testing machine for the PCB circuit board as recited in claim 1, wherein the cleaning mechanism (6) comprises a retention plate (601), a top plate (602), a connecting plate (603), a threaded rod (604), a clamping plate (605), movable rods (606), a cleaning disc (607), a transmission belt (608), a first gear (609), a second gear (610), a second motor (611) and a clamping plate (612), the retention plate (601) is fixedly connected to both sides of the bottom plate (1), the top plate (602) is arranged on the top of the two retention plates (601), the two movable rods (606) are correspondingly distributed and rotatably connected to the inside of the top plate (602), the cleaning disc (607) is fixedly connected to the bottom of the two movable rods (606), the transmission belt (608) is rotatably connected to the outside of the two movable rods (606), the first gear (609) is fixedly connected to the top of one movable rod (606), the top of roof (602) fixedly connected with second motor (611), the output fixedly connected with second gear (610) of second motor (611), second gear (610) and the tooth meshing of first gear (609) are connected.

4. The impedance testing machine for the PCB circuit board according to claim 2, wherein two support plates (305) are fixedly connected to the top of the base plate (1) and distributed correspondingly, a limiting plate (306) is fixedly connected to the top of the two support plates (305), and the limiting plate (306) is located in the conveyer belt (303).

5. The impedance testing machine for the PCB according to claim 3, wherein two symmetrically distributed position clamping plates (612) are fixedly connected to the top of the top plate (602), and the two position clamping plates (612) are located at two sides of the second motor (611).

6. The impedance testing machine for the PCB circuit board as recited in claim 3, wherein the two retention plates (601) are fixedly connected with a clamping plate (605) at the outer part, the two clamping plates (605) are connected with a threaded rod (604) at the inner part in a threaded manner, the top plate (602) is fixedly connected with a connection plate (603) at both sides, and the threaded rod (604) is rotatably connected in the connection plate (603).