CN219657474U

CN219657474U - PCB component position detection device

Info

Publication number: CN219657474U
Application number: CN202320802530.2U
Authority: CN
Inventors: 佘长庆; 文志平; 张兴星
Original assignee: Yingfeilian Wuxi Technology Co ltd
Current assignee: Yingfeilian Wuxi Technology Co ltd
Priority date: 2023-04-12
Filing date: 2023-04-12
Publication date: 2023-09-08
Anticipated expiration: 2033-04-12

Abstract

The embodiment of the utility model provides a PCB component position detection device, which comprises: the PCB detection device comprises a rack, a fixing assembly and a detection assembly, wherein the fixing assembly and the detection assembly are arranged on the rack, a bearing plane for placing the PCB is formed on the rack or the detection assembly, and the fixing assembly is used for fixing the PCB on the bearing plane; the detection assembly comprises a detection piece and a pushing mechanism, wherein a plurality of positioning structures are arranged on the detection piece, the positioning structures are in fit relation with components on the PCB, the pushing mechanism can drive the detection piece and the PCB to move in opposite directions by preset standard travel, and when the positions of the components meet the standard, the positioning structures can be matched with the components correctly. The PCB component position detection device is simple in detection principle, low in device cost, convenient to operate and capable of improving measurement efficiency.

Description

PCB component position detection device

Technical Field

The utility model relates to the technical field of PCB production equipment, in particular to a PCB component position detection device.

Background

PCB (Printed Circuit Board) is a carrier for electrically connecting electronic components to each other, and components on a PCB, such as an earphone socket and a communication port, are fixed to the PCB by means of a patch welding, and after the patch welding is completed, the positions of the components are often shifted to a certain extent, and the PCB with the components is required to be mounted in cooperation with an external housing or other structure, so that the positional shift of the components is required to be within a predetermined range, otherwise, the mounting failure is caused. Therefore, after the PCB patch is discharged from the oven, it is necessary to perform inspection all before installation. In the prior art, a visual detection scheme such as secondary projection or caliper measurement is generally adopted, however, the visual detection scheme has higher requirements on equipment and higher cost, and the caliper measurement efficiency is lower, so that the production efficiency is difficult to improve.

Disclosure of Invention

The embodiment of the utility model provides a PCB component position detection device, which is used for solving the problems that in the prior art, a visual detection scheme has higher requirements on equipment, the cost is higher, the caliper measurement efficiency is lower, and the production efficiency is difficult to improve.

In an embodiment of the present utility model, the PCB component position detecting apparatus includes: the PCB detection device comprises a rack, a fixing assembly and a detection assembly, wherein the fixing assembly and the detection assembly are arranged on the rack, a bearing plane for placing the PCB is formed on the rack or the detection assembly, and the fixing assembly is used for fixing the PCB on the bearing plane; the detection assembly comprises a detection piece and a pushing mechanism, wherein a plurality of positioning structures are arranged on the detection piece, the positioning structures are in fit relation with components on the PCB, the pushing mechanism can drive the detection piece and the PCB to move in opposite directions by a preset standard stroke, when the positions of the components meet the standard, the positioning structures can be matched with the components correctly, and when the positions of the components do not meet the standard, the positioning structures cannot be matched with the components correctly.

As a further alternative of the PCB component position detecting device, the supporting plane is formed on the frame, the pushing mechanism is connected with the detecting member, and the pushing mechanism can push the detecting member to move toward the PCB by the standard stroke.

As a further alternative of the PCB component position detecting apparatus, the fixing assembly includes a pressing member and a driving mechanism, where the driving mechanism can drive the pressing member to move, so that the pressing member presses against the PCB, thereby fixing the PCB on the supporting plane;

the driving mechanism comprises a handle and a connecting rod mechanism, wherein the connecting rod mechanism is respectively connected with the handle and the pressing piece, and when the handle moves under the action of external force, the connecting rod mechanism can drive the pressing piece to move.

As a further alternative of the PCB component position detection device, the link mechanism comprises a mounting plate, a first connecting piece and a second connecting piece, the mounting plate is fixedly connected with the frame, one end of the first connecting piece is rotationally connected with the mounting plate, the connecting position of the first connecting piece and the mounting plate is located at one side of the mounting plate, one end of the second connecting piece is rotationally connected with the mounting plate, the connecting position of the second connecting piece and the mounting plate is located at the other side of the mounting plate, the middle part of the handle is rotationally connected with one end of the first connecting piece, which is not connected with the mounting plate, one end of the handle is rotationally connected with the second connecting piece, and the other end of the handle is used for being pressed by an operator, and the second connecting piece is connected with the pressing piece.

As a further alternative of the PCB component position detecting device, the PCB component position detecting device further includes a linkage mechanism, where the linkage mechanism is connected to the driving mechanism and the pushing mechanism, and the linkage mechanism can drive the pushing mechanism to move when the driving mechanism moves, so that the pressing member moves toward the PCB, and the detecting member moves toward the PCB.

As a further alternative of the PCB component position detecting device, the driving mechanism includes a handle and a link mechanism, the link mechanism is respectively connected with the handle and the pressing member, the link mechanism is respectively connected with the link mechanism and the pushing mechanism, when the handle moves under the action of an external force, the link mechanism can drive the pressing member to move, and the link mechanism can output a rotary motion to the link mechanism, and the link mechanism can convert the rotary motion into a linear motion of the pushing mechanism, so that the pushing mechanism drives the detecting member to advance along a straight line for the standard stroke.

As a further alternative of the PCB component position detecting device, the link mechanism includes a mounting plate, a first connecting member and a second connecting member, the mounting plate is fixedly connected with the frame, one end of the first connecting member is rotationally connected with the mounting plate through a rotating shaft, the rotating shaft can rotate along with the first connecting member, a connection position of the first connecting member and the mounting plate is located at one side of the mounting plate, one end of the second connecting member is rotationally connected with the mounting plate, a connection position of the second connecting member and the mounting plate is located at the other side of the mounting plate, a middle part of the handle is rotationally connected with one end of the first connecting member, one end of the handle is rotationally connected with the second connecting member, the other end of the handle is used for being pressed by an operator, and the second connecting member is connected with the pressing member;

the linkage mechanism comprises a rotating piece and a connecting arm, wherein the center of the rotating piece is connected with the rotating shaft, so that the rotating piece can rotate along with the rotating shaft, one end of the connecting arm is rotationally connected with the rotating piece at a position deviating from the center of the rotating piece, and the other end of the connecting arm is rotationally connected with the propelling mechanism.

As a further alternative scheme of the PCB component position detection device, the pushing mechanism comprises a fixed plate, a connecting plate and a guide shaft, one end of the guide shaft is connected with the detection piece, the other end of the guide shaft is connected with the connecting plate, a plurality of connecting holes are formed in the fixed plate, the guide shaft penetrates through the connecting holes, and the connecting holes and the guide shaft form a guide structure for guiding the detection piece to move along a straight line.

As a further alternative of the PCB component position detecting device, the pushing mechanism further includes an elastic member, where the elastic member is disposed between the connecting plate and the fixing plate or between the fixing plate and the detecting member, and the elastic member is used to drive the connecting plate to reset.

As a further alternative of the PCB component position detecting device, the PCB component position detecting device further includes a sensing assembly and an alarm assembly electrically connected with the sensing assembly, where the sensing assembly is used to measure a position of the detecting member and send the position to the alarm assembly, and the alarm assembly can send a prompt signal when the detecting member completes the standard stroke.

The implementation of the embodiment of the utility model has the following beneficial effects:

this PCB components and parts position detection device adopts fixed subassembly fixed PCB, adopts advancing mechanism to promote the position that detects spare and components and parts complex mode detected components and parts, and detection principle is simple, and the testing process mainly relies on mechanical structure, therefore the device cost is lower to do not need operating personnel to measure with the slide caliper rule, convenient operation can effectively improve measurement efficiency.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Wherein:

fig. 1 is a schematic structural diagram of a PCB component position detecting apparatus in a state according to an embodiment of the present utility model;

fig. 2 is a schematic structural diagram of the PCB component position detecting apparatus shown in fig. 1 in another state;

FIG. 3 is a schematic diagram of a link mechanism according to an embodiment of the present utility model;

description of main reference numerals:

10-a frame;

20-fixing components, 21-pressing parts, 22-driving mechanisms, 221-handles, 222-mounting plates, 223-first connecting pieces, 224-second connecting pieces and 225-rotating shafts;

30-detecting components, 31-detecting parts, 311-positioning structures, 32-pushing mechanisms, 321-fixing plates, 322-connecting plates, 323-guiding shafts and 324-elastic parts;

40-linkage mechanism, 41-rotating piece and 42-connecting arm;

a 50-sensing assembly;

60-PCB；

70-components;

80-locating pins.

Detailed Description

In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. Preferred embodiments of the present utility model are shown in the drawings. This utility model may, however, be embodied in many other different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

In an embodiment of the present utility model, please refer to fig. 1 and fig. 2 in combination, the PCB component position detecting apparatus includes a frame 10, a fixing assembly 20 and a detecting assembly 30. The fixing component 20 and the detecting component 30 are both arranged on the frame 10, a bearing plane for placing the PCB60 is formed on the frame 10 or the detecting component 30, and the fixing component 20 is used for fixing the PCB60 on the bearing plane; the detection assembly 30 comprises a detection piece 31 and a pushing mechanism 32, wherein a plurality of positioning structures 311 are arranged on the detection piece 31, the positioning structures 311 are in fit relation with components on the PCB60, the pushing mechanism 32 can drive the detection piece 31 and the PCB60 to move in opposite directions by a preset standard stroke, when the position of the component 70 meets the standard, the positioning structures 311 can be matched with the component 70 correctly, and when the position of the component 70 does not meet the standard, the positioning structures 311 cannot be matched with the component 70 correctly.

It should be noted that, the specific form of the positioning structure 311 is not limited, for example, the positioning structure 311 may be configured as a positioning hole capable of accommodating the component 70, when the position of the component 70 meets the standard, that is, falls within the standard threshold, the component 70 can enter the positioning hole, the detecting element 31 and the component 70 are correctly matched at this time, and when the offset of the position of the component 70 is too large, the component 70 cannot enter the positioning hole, the detecting element 31 is limited, and at this time, the detecting element 31 and the component 70 cannot be correctly matched; for another example, when there is a hole structure or a groove structure on the component 70, the positioning structure 311 may be a protruding structure that can be matched with the hole structure or the groove structure, and the principle of the function of this solution is the same as that described above.

The working process of the PCB component position detection device is as follows: the operator places the PCB60 on the supporting plane, fixes the PCB60 by using the fixing assembly 20, and then the pushing mechanism 32 pushes the detecting element 31 and the PCB60 to move in opposite directions for a preset distance, and at this time, whether the position of the component 70 is qualified or not can be obtained by observing the matching condition of the detecting element 31 and the component 70 on the PCB 60.

The PCB component position detection device adopts the fixing component 20 to fix the PCB60, adopts the pushing mechanism 32 to push the detection piece 31 to detect the position of the component 70 in a mode of matching with the component 70, has simple detection principle, and mainly depends on a mechanical structure in the detection process, so that the device has lower cost, does not need an operator to measure with a caliper, is convenient to operate, and can effectively improve the measurement efficiency.

In the embodiment of the present utility model, the preset standard stroke of the pushing mechanism 32 capable of driving the detecting member 31 and the PCB60 to move toward each other means that the acting object thereof includes one or both of the detecting member 31 and the PCB60, as long as the PCB60 and the detecting member 31 can be moved toward each other.

In one embodiment, a bearing surface is formed on the housing 10 and the pushing mechanism 32 is coupled to the detecting element 31 such that the pushing mechanism 32 can push the detecting element 31 to move a standard stroke toward the PCB 60. In other embodiments, the pushing mechanism 32 acts on the PCB60 or both the detecting member 31 and the PCB60, and the supporting plane is formed on the pushing mechanism 32.

In the following description and the accompanying drawings, the solution that the pushing mechanism 32 acts on the detecting element 31 alone is mainly shown, and a person skilled in the art can obtain other solutions by making appropriate deformation according to the provided solution, for example, on the basis of the solution shown in fig. 1, the positions of the PCB60 and the detecting element 31 are changed, the detecting element 31 is fixed on the frame 10, a supporting plate for placing the PCB is disposed on the pushing mechanism 32, the upper surface of the supporting plate forms a supporting plane, the supporting plate is connected with the pushing mechanism 32 and can move under the driving of the pushing mechanism 32, and the acting object of the pushing mechanism 32 under the solution is the PCB60; for another example, two pushing mechanisms 32 may be provided, one for driving the detecting member 31 to move and the other for driving the PCB60 to move, and the objects of the pushing mechanisms 32 under this scheme are the PCB60 and the detecting member 31.

As the power source of the propulsion mechanism 32, it may be an urging force applied by an operator or a power applied by a driving member (motor or cylinder, etc.).

In embodiments of the present utility model, the securing assembly 20 may secure the PCB60 in a variety of ways, including but not limited to, pin positioning, component compression or clamping, or any combination thereof.

In one embodiment, the fixing assembly 20 includes at least two first positioning holes (determined according to the specific position of the supporting plane) formed on the frame 10 or the pushing mechanism 32, and the positions and the number of the first positioning holes correspond to the second positioning holes on the PCB60 to be detected, and the first positioning holes and the second positioning holes are used for inserting the positioning pins 80.

In another embodiment, the fixing assembly 20 includes a pressing member 21 and a driving mechanism 22, and the driving mechanism 22 can drive the pressing member 21 to move under the action of an external force, so that the pressing member 21 presses against the PCB60, thereby fixing the PCB60 on the supporting plane.

In a specific embodiment, the pressing member 21 is made of a flexible material such as rubber or silicone.

The advantage of using a flexible material is that it can avoid damage to the surface of the PCB by the pressure-bearing member 21, and on the other hand, when the component 70 and the detecting member 31 are not properly mated, the pressure of the detecting member 31 to the component 70 may cause the component 70 to fall off the PCB60, and the flexible material can provide a proper buffer space, i.e. the PCB60 can be retracted a distance when receiving a larger pressure of the detecting member 31, thereby avoiding the connection between the PCB60 and the component 70 from being damaged.

It should be noted that, by combining the above two fixing methods, a better fixing effect can be achieved, specifically, the positioning pin 80 can limit the rotation or translation of the PCB60 on the supporting plane, and the pressing member 31 can prevent the PCB60 from being turned over due to the extrusion of the detecting member 31.

In a specific embodiment, the driving mechanism 22 includes a handle 221 and a link mechanism, where the link mechanism is connected to the handle 221 and the pressing member 21, respectively, and when the handle 221 moves under the action of an external force, the link mechanism can drive the pressing member 21 to move.

In a more specific embodiment, referring to fig. 3, the link mechanism includes a mounting plate 222, a first connecting member 223 and a second connecting member 224, the mounting plate 222 is fixedly connected with the supporting plane, one end of the first connecting member 223 is rotationally connected with the mounting plate 222, the connection position of the first connecting member 223 and the mounting plate 222 is located at one side of the mounting plate 222, one end of the second connecting member 224 is rotationally connected with the mounting plate 222, the connection position of the second connecting member 224 and the mounting plate 222 is located at the other side of the mounting plate 222, the middle part of the handle 221 is rotationally connected with one end of the first connecting member 223 which is not connected with the mounting plate 222, one end of the handle 221 is rotationally connected with the second connecting member 224, and the other end of the handle 221 is used for being pressed by an operator, and the second connecting member 224 is connected with the supporting member 21.

The working process of the driving mechanism 22 can be understood by referring to fig. 1 and 2, in fig. 1, the handle 221 is in an unpressed state, after the operator presses the end of the handle 221, the handle 221 drives the first connecting piece 223 to rotate, and at the same time, the handle 221 lifts the outer periphery of the second connecting piece 224 upwards (relative to the supporting plane), the second connecting piece 224 rotates, and drives the pressing piece 21 to press the surface of the PCB60, so as to form the state shown in fig. 2.

With respect to the manner in which the pushing mechanism 32 is disposed, in one embodiment, the pushing mechanism 32 is coupled to the detecting member 31 such that the pushing mechanism 32 can push the detecting member 31 to move a standard stroke toward the PCB, and the pushing mechanism 32 includes a guide structure for guiding the detecting member 31 to travel in a straight line.

In a specific embodiment, the pushing mechanism 32 includes a fixed plate 321, a connecting plate 322 and a guiding shaft 323, the connecting plate 322 is rotationally connected with the connecting arm 42, one end of the guiding shaft 323 is connected with the detecting member 31, the other end is connected with the connecting plate 322, a plurality of connecting holes are formed in the fixed plate 321, the guiding shaft 323 is arranged in the connecting holes in a penetrating mode, and the connecting holes and the guiding shaft 323 form a guiding structure.

In a more specific embodiment, the pushing mechanism 32 further includes an elastic member 324, where the elastic member 324 is disposed between the connecting plate 322 and the fixing plate 321 or between the fixing plate 321 and the detecting member 31, and the elastic member 324 is used to drive the connecting plate 322 to return.

In a preferred embodiment, the elastic member 324 is provided as a spring which is sleeved on the guide shaft 323.

In the above, the pushing mechanism 32 and the driving mechanism 22 may be independent mechanisms, and in this case, when the PCB60 is tested, the driving mechanism 22 and the pushing mechanism 32 need to be driven separately, which may make the testing step complicated, and have a certain adverse effect on the testing efficiency.

In order to solve the above problem, in an embodiment combining the design of the driving mechanism 22 and the pushing mechanism 32, the PCB component position detecting device further includes a linkage mechanism 40, where the linkage mechanism 40 is connected to the driving mechanism 22 and the pushing mechanism 32, respectively, and the linkage mechanism 40 can drive the pushing mechanism 32 to move when the driving mechanism 22 moves, so that the pressing member 21 moves toward the PCB60, and simultaneously, the detecting member 31 moves toward the PCB 60.

The advantage of this embodiment is that the operator does not have to operate the drive mechanism 22 and the propulsion mechanism 32 separately, which can simplify the operation steps and further improve the efficiency of the operation.

In a specific embodiment, the driving mechanism 22 includes a handle 221 and a link mechanism, the link mechanism is connected with the handle 221 and the pressing member 21 respectively, the link mechanism 40 is connected with the link mechanism and the pushing mechanism 32 respectively, when the handle 221 moves under the action of an external force, the link mechanism can drive the pressing member 21 to move, and the link mechanism can output a rotary motion to the link mechanism 40, and the link mechanism 40 can convert the rotary motion into a linear motion of the pushing mechanism 32, so that the pushing mechanism 32 drives the detecting member 31 to travel along a straight line for standard travel.

In a more specific embodiment, the link mechanism comprises a mounting plate 222, a first connecting piece 223 and a second connecting piece 224, wherein the mounting plate 222 is fixedly connected with the frame 10, one end of the first connecting piece 223 is rotationally connected with the mounting plate 222 through a rotating shaft 225, the rotating shaft 225 can rotate along with the first connecting piece 223, the connecting position of the first connecting piece 223 and the mounting plate 222 is positioned on one side of the mounting plate 222, one end of the second connecting piece 224 is rotationally connected with the mounting plate 222, the connecting position of the second connecting piece 224 and the mounting plate 222 is positioned on the other side of the mounting plate 222, the middle part of the handle 221 is rotationally connected with one end of the first connecting piece 223 which is not connected with the mounting plate 222, one end of the handle 221 is rotationally connected with the second connecting piece 224, and the other end of the handle 221 is used for being pressed by an operator, and the second connecting piece 224 is connected with the pressing piece 21; the linkage mechanism 40 includes a rotating member 41 and a connecting arm 42, the first connecting member 223 and the mounting plate 222 are rotatably connected through a rotating shaft 225, the rotating shaft 225 can rotate along with the first connecting member 223, the center of the rotating member 41 is connected with the rotating shaft 225, the rotating member 41 can rotate along with the rotating shaft 225, one end of the connecting arm 42 is rotatably connected with the rotating member 41 at a position deviating from the center of the rotating member 41, and the other end of the connecting arm 42 is rotatably connected with the propulsion mechanism 32. In this embodiment, the first connecting member 223 rotates to drive the rotating member 41 to rotate, and the rotating member 41 rotates to pull the connecting arm 42 to move, so that the connecting arm 42 drives the pushing mechanism 32 to move.

In one embodiment, when the pushing mechanism 32 is connected with the detecting member 31, the PCB component position detecting device further includes a sensing assembly 50 and an alarm assembly electrically connected with the sensing assembly 50, the sensing assembly 50 is used for measuring the position of the detecting member 31 and delivering the position to the alarm assembly, and the alarm assembly can send a prompt signal when the detecting member 31 completes a standard stroke. Among other things, the sensing assembly 50 may be configured as a proximity switch or a correlation sensor, and the alarm assembly may be configured as a buzzer and/or an LED light.

The advantage of setting up sensing assembly 50 and alarm assembly is that can make operating personnel need not the position that the naked eye judged detection piece 31, change by sensing assembly 50 automatic judgement to can further improve detection efficiency.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the claims. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims

1. A PCB component position detection device is characterized by comprising: the PCB detection device comprises a rack, a fixing assembly and a detection assembly, wherein the fixing assembly and the detection assembly are arranged on the rack, a bearing plane for placing the PCB is formed on the rack or the detection assembly, and the fixing assembly is used for fixing the PCB on the bearing plane; the detection assembly comprises a detection piece and a pushing mechanism, wherein a plurality of positioning structures are arranged on the detection piece, the positioning structures are in fit relation with components on the PCB, the pushing mechanism can drive the detection piece and the PCB to move in opposite directions by a preset standard stroke, when the positions of the components meet the standard, the positioning structures can be matched with the components correctly, and when the positions of the components do not meet the standard, the positioning structures cannot be matched with the components correctly.

2. The PCB component position sensing apparatus of claim 1, wherein the support plane is formed on the frame, the pushing mechanism is connected to the sensing member, and the pushing mechanism is capable of pushing the sensing member to move the standard stroke toward the PCB.

3. The PCB component position detecting apparatus of claim 2, wherein the fixing assembly includes a pressing member and a driving mechanism, the driving mechanism being capable of driving the pressing member to move so that the pressing member is pressed against the PCB, thereby fixing the PCB on the supporting plane;

4. The PCB component position detecting apparatus according to claim 3, wherein the link mechanism includes a mounting plate, a first connecting member and a second connecting member, the mounting plate is fixedly connected with the frame, one end of the first connecting member is rotatably connected with the mounting plate, a connection position of the first connecting member with the mounting plate is located at one side of the mounting plate, one end of the second connecting member is rotatably connected with the mounting plate, a connection position of the second connecting member with the mounting plate is located at the other side of the mounting plate, a middle portion of the handle is rotatably connected with one end of the first connecting member which is not connected with the mounting plate, one end of the handle is rotatably connected with the second connecting member, the other end of the handle is used for being pressed by an operator, and the second connecting member is connected with the pressing member.

5. The PCB component position detecting apparatus according to claim 3, further comprising a linkage mechanism, wherein the linkage mechanism is connected to the driving mechanism and the pushing mechanism, respectively, and the linkage mechanism can drive the pushing mechanism to move when the driving mechanism moves, so that the pressing member moves toward the PCB, and the detecting member moves toward the PCB.

6. The PCB component position detecting apparatus of claim 5, wherein the linkage mechanism is connected to the link mechanism and the pushing mechanism, respectively, and when the handle moves under the action of an external force, the link mechanism can drive the pressing member to move, and the link mechanism can output a rotational movement to the linkage mechanism, and the linkage mechanism can convert the rotational movement into a linear movement of the pushing mechanism, so that the pushing mechanism drives the detecting member to travel along a straight line for the standard stroke.

7. The PCB component position detecting apparatus according to claim 6, wherein the link mechanism includes a mounting plate, a first connecting member and a second connecting member, the mounting plate is fixedly connected to the chassis, one end of the first connecting member is rotatably connected to the mounting plate through a rotation shaft, the rotation shaft can rotate along with the first connecting member, a connection position of the first connecting member to the mounting plate is located at one side of the mounting plate, one end of the second connecting member is rotatably connected to the mounting plate, a connection position of the second connecting member to the mounting plate is located at the other side of the mounting plate, a middle portion of the handle is rotatably connected to one end of the first connecting member which is not connected to the mounting plate, one end of the handle is rotatably connected to the second connecting member, the other end of the handle is used for being pressed by an operator, and the second connecting member is connected to the pressing member;

8. The device for detecting the position of the PCB component according to claim 2, 6 or 7, wherein the pushing mechanism comprises a fixing plate, a connecting plate and a guiding shaft, one end of the guiding shaft is connected with the detecting member, the other end of the guiding shaft is connected with the connecting plate, a plurality of connecting holes are formed in the fixing plate, the guiding shaft is arranged in the connecting holes in a penetrating manner, and the connecting holes and the guiding shaft form a guiding structure for guiding the detecting member to move along a straight line.

9. The device for detecting the position of a PCB component according to claim 8, wherein the pushing mechanism further comprises an elastic member, the elastic member is disposed between the connecting plate and the fixing plate or between the fixing plate and the detecting member, and the elastic member is used for driving the connecting plate to reset.

10. The device for detecting the position of the PCB component of claim 2, further comprising a sensor assembly and an alarm assembly electrically connected to the sensor assembly, wherein the sensor assembly is configured to measure the position of the detecting member and transmit the position to the alarm assembly, and the alarm assembly is configured to send a prompt signal when the detecting member completes the standard stroke.