CN217112452U

CN217112452U - Fixing device convenient to PCB detects

Info

Publication number: CN217112452U
Application number: CN202220775555.3U
Authority: CN
Inventors: 王永辉
Original assignee: Shenzhen Hive Box Technology Co Ltd
Current assignee: Shenzhen Hive Box Technology Co Ltd
Priority date: 2022-04-02
Filing date: 2022-04-02
Publication date: 2022-08-02
Anticipated expiration: 2032-04-02

Abstract

The utility model relates to a fixing device convenient to PCB detects, the on-line screen storage device comprises a base, the base top surface is provided with first recess, be provided with the bottom plate in the first recess, two first electric jars, two second electric jars, the drive end of every first electric jar all with the bottom plate pin joint, the drive end of every second electric jar all is provided with pressure sensor, clamping device includes the pin joint pole, pin joint pole down, left pin joint pole, right side pin joint pole, lower pin joint pole is connected with the second electric jar, left side pin joint pole and right side pin joint pole correspond the pin joint with the both ends of pin joint pole down respectively, the left end of going up the pin joint pole slides the pin joint and establishes on left pin joint pole, the right-hand member of going up the pin joint pole slides the pin joint and establishes on right pin joint pole, go up the pin joint pole, be provided with the spring down between the pin joint pole, be provided with control circuit board on the base. The utility model discloses a can fix the PCB of not equidimension specification in a flexible way, and can detect the fixed dynamics of PCB, the fixed not firm of PCB or the problem of damaging PCB can not appear.

Description

Fixing device convenient to PCB detects

Technical Field

The utility model belongs to the technical field of the PCB detects technique and specifically relates to a fixing device convenient to PCB detects.

Background

Pcb (printed Circuit board), which is called printed Circuit board in chinese, is an important electronic component, is a support for electronic components, and is a carrier for electrical interconnection of electronic components. It is called a "printed" circuit board because it is made using electronic printing. PCBs are one of the important components in the electronics industry, and are widely used in the production and manufacture of electronic products. The PCB needs to be detected when the PCB leaves a factory, and the PCB needs to be fixed when the PCB is detected.

The existing PCB fixing mode is mainly characterized in that a PCB is fixed on a mounting plate through screws, the PCB with different sizes and specifications is difficult to fix flexibly, the dismounting process of the fixing mode is very complicated, the efficiency is low, the force during the fixing of the PCB is difficult to guarantee, and the problem that the PCB is not fixed firmly or damaged is easily caused.

SUMMERY OF THE UTILITY MODEL

To current not enough, the utility model provides a fixing device convenient to PCB detects.

The utility model provides a technical scheme that its technical problem adopted is: a fixing device convenient for PCB detection comprises a base, wherein a first groove is arranged on the top surface of the base, a bottom plate and two vertical first electric cylinders are arranged in the first groove, the fixed end of each first electric cylinder is fixedly connected with the base, the driving end of each first electric cylinder is pivoted with the bottom plate, two horizontal second electric cylinders are oppositely arranged on the side wall of the first groove, the fixed end of each second electric cylinder is fixedly connected with the base, the driving end of each second electric cylinder is provided with a pressure sensor and a clamping device for clamping a PCB, the clamping device is connected with the second electric cylinders through the pressure sensor and comprises an upper pivoting rod, a lower pivoting rod, a left pivoting rod and a right pivoting rod, the lower pivoting rod is vertically and fixedly connected with the driving end of the second electric cylinder, the lower end of the left pivoting rod and the lower end of the right pivoting rod are correspondingly pivoted with the two ends of the lower pivoting rod respectively, the left end of the upper pin joint rod is arranged on the left pin joint rod in a sliding pivot mode along the length direction of the left pin joint rod, the right end of the upper pin joint rod is arranged on the right pin joint rod in a sliding pivot mode along the length direction of the right pin joint rod, the length of the upper pin joint rod is smaller than that of the lower pin joint rod, a spring is connected between the upper pin joint rod and the lower pin joint rod, a control circuit board is arranged on the base, and the first electric cylinder, the second electric cylinder and the pressure sensor are all electrically connected with the control circuit board.

Preferably, the spring is provided in plural and all parallel to each other.

Preferably, two second grooves are oppositely arranged on the side wall of the base, and the two second electric cylinders are arranged in the two corresponding second grooves.

Preferably, a light sensor is arranged at the top of the bottom plate and electrically connected with the control circuit board.

Preferably, the upper end of the left pivot rod and the upper end of the right pivot rod are both tapered.

Preferably, the upper ends of the left pivoting rod and the right pivoting rod are covered with rubber pads.

The beneficial effects of the utility model reside in that: the utility model discloses a can fix the PCB of not equidimension specification in a flexible way, easy dismounting is simple and easy, and can detect the fixed dynamics of PCB, the fixed not firm problem or the problem of damaging PCB of PCB can not appear.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

fig. 2 is a partially enlarged schematic view of the embodiment of the present invention;

part names and serial numbers in the figure: 1-base 2-first groove 21-bottom plate 211-light sensor 22-first electric cylinder 23-second electric cylinder 24-clamping device 241-upper pivot rod 242-lower pivot rod 243-left pivot rod 244-right pivot rod 245-spring 246-pressure sensor 247-rubber pad 25-control circuit board 26-second groove.

Detailed Description

To more clearly illustrate the objects, technical solutions and advantages of the embodiments of the present invention, the technical solutions in the embodiments of the present invention will be further described with reference to the accompanying drawings and embodiments, and clearly described in the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention. Furthermore, what is mentioned in the present invention is as follows: the terms "center", "upper", "lower", "left", "right", "front", "back", "inner", "outer", "horizontal", "vertical", and the like are used only with reference to the orientation or positional relationship as shown in the attached drawings, or the orientation or positional relationship as the utility model is usually placed when in use, and are used only for the convenience of clearly describing the utility model, but do not indicate or imply that the device or element must have a specific orientation, and therefore, should not be construed as limiting the utility model.

The terms "first," "second," "third," and the like are used solely to distinguish one from another in the description and are not to be construed as indicating or implying relative importance, and therefore should not be construed as limiting the invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

The embodiment of the present invention is shown in fig. 1 to fig. 2, a fixing device convenient for PCB detection, including a base 1, a first groove 2 is disposed on the top surface of the base 1, a bottom plate 21 and two first electric cylinders 22 are disposed in the first groove 2, the bottom plate 21 is horizontally disposed, the fixed end of each first electric cylinder 22 is fixedly connected to the base 1, and the driving end of each first electric cylinder 22 is pivotally connected to the bottom plate 21, in a preferred embodiment, the bottom plate 21 can move up and down under the driving of the two first electric cylinders 22, when the angle of the bottom plate 21 needs to be adjusted, the two first electric cylinders 22 can be driven to adjust; two horizontal second electric cylinders 23 are oppositely arranged on the side wall of the first groove 2, the fixed end of each second electric cylinder 23 is fixedly connected with the base 1, the driving end of each second electric cylinder 23 is provided with a pressure sensor 246 and a clamping device 24 for clamping the PCB, the clamping device 24 is connected with the second electric cylinders 23 through the pressure sensor 246, and the two clamping devices 24 clamp two ends of the PCB to fix the PCB; the clamping device 24 includes an upper pivotal rod 241, a lower pivotal rod 242, a left pivotal rod 243 and a right pivotal rod 244, the lower pivotal rod 242 is vertically and fixedly connected to the driving end of the second electric cylinder 23, the lower end of the left pivotal rod 243 and the lower end of the right pivotal rod 244 are respectively pivoted to the two ends of the lower pivotal rod 242, the left end of the upper pivotal rod 241 is slidably pivoted to the left pivotal rod 243 along the length direction of the left pivotal rod 243, the right end of the upper pivotal rod 241 is slidably pivoted to the right pivotal rod 244 along the length direction of the right pivotal rod 244, the length of the upper pivotal rod 241 is smaller than that of the lower pivotal rod 242, in a preferred embodiment, the upper pivotal rod 241 and the lower pivotal rod 242 are parallel to each other, when the upper pivotal rod 241 moves toward the lower pivotal rod 242, the two ends of the upper pivotal rod 241 respectively slide on the left pivotal rod 243 and the right pivotal rod 244, and the upper end of the left pivotal rod 243 and the upper end of the right pivotal rod 244 are both close to the middle, the clamping device 24 can complete the clamping action; a spring 245 is connected between the upper pivoting rod 241 and the lower pivoting rod 242, and the spring 245 is a pressure spring and can push the upper pivoting rod 241 and the lower pivoting rod 242 away; when the clamping device 24 clamps, the PCB is located between the left pivot rod 243 and the right pivot rod 244, the PCB abuts against the upper pivot rod 241 and pushes the upper pivot rod 241 towards the direction of the lower pivot rod 242, at this time, the spring 245 is compressed, the pressure sensor 246 detects pressure, at this time, the upper end of the left pivot rod 243 and the upper end of the right pivot rod 244 both draw close towards the middle to clamp and fix the PCB, and when the pressure detected by the pressure sensor 246 meets the requirement, the device stops working; the base 1 is provided with a control circuit board 25, the first electric cylinders 22, the second electric cylinders 23 and the pressure sensor 246 are electrically connected with the control circuit board 25, in a preferred embodiment, when a PCB needs to be detected, a plurality of PCBs are placed on the upper surface of the bottom plate 21, the bottom plate 21 is lifted by the operation of the two first electric cylinders 22, the control circuit board 25 controls the first electric cylinders 22 to adjust, when the PCB located at the top on the bottom plate 21 is adjusted to a proper position, the two second electric cylinders 23 operate, the two clamping devices 24 are controlled by the two second electric cylinders 23 to move, the two ends of the PCB are clamped by the two clamping devices 24 to fix the PCB, when the pressure detected by the pressure sensor 246 meets requirements, the equipment stops working, and the PCB is prevented from being crushed.

In a further modification, as shown in fig. 1 to 2, the spring 245 is provided in a plurality of parallel springs, and in a preferred embodiment, the spring 245 is provided in three springs.

In a further improvement, as shown in fig. 1 to 2, two second grooves 26 are oppositely arranged on the side wall of the base 1, two second electric cylinders 23 are arranged in the two corresponding second grooves 26, and the arrangement of the second electric cylinders 23 in the second grooves 26 can increase the space of the first groove 2, thereby facilitating the fixing and detection of the PCB.

In a further improvement, as shown in fig. 1 to 2, a light sensor 211 is disposed on the top of the bottom plate 21, the light sensor 211 is electrically connected to the control circuit board 25, in a preferred embodiment, a receiving cavity is disposed on the bottom plate 21, the control circuit board 25 is disposed in the receiving cavity, a first through hole is disposed on the top surface of the bottom plate 21, a second through hole communicated with the receiving cavity is disposed at the bottom of the first groove 2, and a signal line of the light sensor 211 passes through the first through hole and the second through hole to be electrically connected to the control circuit board 25.

In a further modification, as shown in fig. 1 to 2, the upper ends of the left and

right pivoting rods

243 and 244 are tapered, so that the clamping device 24 separates the stacked PCBs, and the clamping device 24 is prevented from clamping a plurality of PCBs at the same time.

In a further improvement, as shown in fig. 1 to 2, the upper ends of the left and right

pivotal rods

243 and 244 are covered with rubber pads 247, and the rubber pads 247 can effectively increase the friction force between the clamping device 24 and the PCB, effectively prevent slipping, and protect the PCB.

It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings, and all such modifications and variations are intended to be included within the scope of the invention as defined in the appended claims.

Claims

1. The utility model provides a fixing device convenient to PCB detects which characterized in that: the PCB clamping device comprises a base, wherein a first groove is formed in the top surface of the base, a bottom plate and two vertical first electric cylinders are arranged in the first groove, the fixed end of each first electric cylinder is fixedly connected with the base, the driving end of each first electric cylinder is pivoted with the bottom plate, two horizontal second electric cylinders are oppositely arranged on the side wall of the first groove, the fixed end of each second electric cylinder is fixedly connected with the base, the driving end of each second electric cylinder is provided with a pressure sensor and a clamping device for clamping a PCB, the clamping device is connected with the second electric cylinders through the pressure sensor and comprises an upper pivoting rod, a lower pivoting rod, a left pivoting rod and a right pivoting rod, the lower pivoting rod is vertically and fixedly connected with the driving end of the second electric cylinder, the lower end of the left pivoting rod and the lower end of the right pivoting rod are correspondingly pivoted with the two ends of the lower pivoting rod respectively, the left end of the upper pin joint rod is arranged on the left pin joint rod in a sliding pivot mode along the length direction of the left pin joint rod, the right end of the upper pin joint rod is arranged on the right pin joint rod in a sliding pivot mode along the length direction of the right pin joint rod, the length of the upper pin joint rod is smaller than that of the lower pin joint rod, a spring is connected between the upper pin joint rod and the lower pin joint rod, a control circuit board is arranged on the base, and the first electric cylinder, the second electric cylinder and the pressure sensor are all electrically connected with the control circuit board.

2. The fixture for facilitating PCB testing of claim 1, wherein said spring is disposed in a plurality of parallel positions.

3. The fixing device convenient for PCB detection as claimed in claim 1, wherein two second grooves are oppositely arranged on the side wall of the base, and the two second electric cylinders are arranged in the two corresponding second grooves.

4. The fixing device for facilitating PCB detection as claimed in claim 1, wherein a light sensor is disposed on the top of the bottom plate and electrically connected to the control circuit board.

5. The fixing device for facilitating PCB detection of claim 1, wherein the upper ends of the left and right pivoting rods are tapered.

6. The fixing device for facilitating PCB detection of claim 1, wherein the upper ends of the left and right pivotal rods are covered with rubber pads.