PCB (Printed Circuit Board) picking clamping jaw and feeding equipment

Abstract

The utility model relates to the technical field of PCB production equipment, in particular to a PCB picking clamping jaw and feeding equipment, and the PCB picking clamping jaw comprises a bearing plate, a plurality of elastic telescopic rods and a plurality of picking modules; the plurality of elastic telescopic rods are fixedly arranged at the bottom of the bearing plate and are used for positioning the PCB; the multiple pickup modules are arranged at the bottom of the bearing plate and used for grabbing the PCBs. According to the PCB picking clamping jaw, the elastic telescopic rod is additionally arranged, so that when the picking clamping jaw grabs a PCB, the bottom end of the elastic telescopic rod can be inserted into the second assembly hole, the PCB can be transversely positioned, the transverse positioning capacity of the device when the device grabs the PCB is enhanced, and the clamping efficiency is improved. The defect that in the prior art, the grabbing stability is poor is overcome, and the beneficial effect of being high in practicability is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of PCB board production equipment, in particular to a PCB board picking clamp and feeding equipment. Background Art

[0002] PCB (Printed Circuit Board), whose Chinese name is printed circuit board, also known as printed circuit board, is an important electronic component and a carrier for electrical connections of electronic components.

[0003] In the prior art, a Chinese utility model patent with authorization announcement number CN214059183U proposes a clamping device for a PCB board retracting and releasing board suction cup frame, the clamping device comprising: a first cylinder, a first fixed plate, a piston guide rod, a top block, a second fixed plate, a second cylinder, an upper clamping jaw and a lower clamping jaw; the first cylinder is arranged in a vertical direction and comprises a piston guide rod extending or retracting in the vertical direction; the first cylinder is fixedly mounted on the first fixed plate; the top block is fixedly connected to the piston guide rod; the clamping jaw assembly comprises a second cylinder and a clamping jaw, the clamping jaw comprises an upper clamping jaw and a lower clamping jaw located at the lower part of the upper clamping jaw, the upper clamping jaw is fixedly mounted on the second cylinder, one end of the lower clamping jaw is fixedly connected to the bottom of the second cylinder, and the second cylinder controls the other end of the lower clamping jaw to rotate on a vertical plane; the second fixed plate is used to fix the clamping jaw assembly, and the top block is fixedly mounted on the upper surface of the second fixed plate.

[0004] It can be seen from the above content that the clamping device mainly relies on the second cylinder to drive the upper clamping jaw and the lower clamping jaw to clamp and fix the PCB board to achieve the purpose of grasping the PCB board. However, since the clamping device mainly relies on the upper clamping jaw and the lower clamping jaw to clamp and fix the PCB board longitudinally, its lateral positioning ability of the PCB board is poor. When the PCB board is subjected to lateral external force impact after being grasped by the clamping jaw device, the PCB board is prone to lateral sliding under the clamping of the upper clamping jaw and the lower clamping jaw, thereby causing the upper clamping jaw or the lower clamping jaw to be damaged and assembled to the electrical components on the PCB board. It can be seen that the clamping device has the defect of poor grasping stability. Utility Model Content

[0005] Aiming at the technical problem of poor grasping stability existing in the prior art, the utility model provides a PCB board picking clamp, comprising: a carrying plate, a plurality of elastic telescopic rods and a plurality of picking modules;

[0006] Several elastic telescopic rods are fixedly arranged at the bottom of the carrier plate to position the PCB board;

[0007] Several picking modules are arranged at the bottom of the carrier plate for grabbing PCB boards.

[0008] Further, in the first embodiment of the present utility model, the picking module comprises: a first cylinder and a pair of clamping members;

[0009] The first cylinder is fixedly arranged at the bottom of the bearing plate;

[0010] A pair of clamping members are respectively arranged at a pair of execution ends of the first cylinder.

[0011] Furthermore, the picking module also includes: a pair of card slots, the pair of card slots are respectively opened on the circumferential side walls of a pair of clamping members, any card slot is located at the bottom end of the corresponding clamping member, when the picking module grabs the PCB board, the bottom end of the pair of clamping members is inserted into one of the first assembly holes of the PCB board, the pair of card slots are clamped with the circumferential edges of the first assembly holes, and the width of the card slots is not less than the thickness of the PCB board.

[0012] Furthermore, the picking module also includes: a plurality of longitudinal positioning components, the width of the card slot is greater than the thickness of the PCB board, and the plurality of longitudinal positioning components are arranged at the bottom of the carrier plate. When the picking module grabs the PCB board, the plurality of longitudinal positioning components are connected to the PCB board for longitudinal positioning of the PCB board.

[0013] Further, the longitudinal positioning assembly comprises: a second cylinder and a push rod;

[0014] The second cylinder is fixedly arranged at the bottom of the bearing plate;

[0015] The top end of the push rod is fixedly connected to the execution end of the second cylinder. When the picking module grabs the PCB board, the bottom end of the push rod abuts against the top of the PCB board to perform longitudinal positioning of the PCB board.

[0016] Further, in the second embodiment of the present utility model, the picking module comprises: an assembly bracket, a nut, an assembly barrel, a screw rod, a carrying capsule and a driving assembly;

[0017] The assembly bracket is fixedly arranged at the bottom of the bearing plate;

[0018] The nut is fixedly arranged on the assembly bracket;

[0019] The screw is inserted into the inner cavity of the nut, and the screw is threadedly connected to the nut. When the picking module grabs the PCB board, the bottom end of the screw is inserted into one of the first assembly holes of the PCB board;

[0020] The assembly cylinder is sleeved on the screw rod, the top of the assembly cylinder is fixedly connected to the bottom of the nut, and the bottom end of the screw rod protrudes from the bottom end surface of the assembly cylinder;

[0021] The bearing bag is sleeved at the bottom end of the screw, the top of the bearing bag is fixedly connected to the bottom end of the assembly tube, the bottom of the bearing bag is fixedly connected to the bottom end of the screw, the bearing bag is an elastic part, and the inner cavity of the bearing bag is filled with flexible particles.

[0022] Furthermore, the driving assembly includes: a motor, a telescopic cylinder and a guide rod;

[0023] The motor is fixedly arranged on the bearing plate;

[0024] The telescopic cylinder is fixedly arranged at the driving end of the motor, and the telescopic cylinder is located between the screw rod and the bearing plate;

[0025] The guide rod is movably inserted in the inner cavity of the telescopic cylinder, the bottom end of the guide rod is fixedly connected to the top end of the screw rod, the guide rod is a prism, and the radial cross-sectional shape of the guide rod matches that of the inner cavity of the telescopic cylinder.

[0026] Furthermore, the elastic telescopic rod comprises: a bearing tube, a positioning rod and a resetting elastic member;

[0027] The bearing tube is fixedly arranged at the bottom of the bearing plate;

[0028] The positioning rod is movably inserted in the inner cavity of the carrying tube, and the top end of the positioning rod is slidably connected to the inner wall of the carrying tube. When the elastic telescopic rod positions the PCB board, the bottom end of the positioning rod is plugged into one of the second assembly holes of the PCB board. The outer diameter of the bottom end of the positioning rod is smaller than the outer diameter of the second assembly hole, and the outer diameter of the middle section of the positioning rod is larger than the outer diameter of the second assembly hole.

[0029] The reset elastic member is arranged in the inner cavity of the bearing tube, one end of the reset elastic member is connected to the inner wall of the bearing tube, and the other end of the reset elastic member is connected to the top of the positioning rod, which is used to drive the positioning rod to extend out of the outer surface of the bearing tube.

[0030] Furthermore, the elastic telescopic rod also includes: a displacement sensor, which is arranged on the inner wall of the bearing tube, and the detection end of the displacement sensor is connected to the top end of the positioning rod for detecting the extension length of the positioning rod.

[0031] The third embodiment of the present invention provides a PCB board feeding device, comprising the above-mentioned PCB board picking clamp.

[0032] The PCB board picking clamp and feeding device according to the embodiment of the utility model have the following beneficial effects:

[0033] 1. The PCB board picking claw of the utility model is provided with an elastic telescopic rod, so that when the device grabs the PCB board, the bottom end of the elastic telescopic rod is inserted into the second assembly hole, so as to laterally position the PCB board, thereby enhancing the lateral positioning ability of the device when grabbing the PCB board and solving the defect of poor grabbing stability in the prior art.

[0034] 2. The picking module of the first embodiment of the utility model grabs the PCB board by setting a pair of clamping members and a pair of card slots. When grabbing the PCB board, the bottom ends of the pair of clamping members are inserted into the same first assembly hole to laterally position the PCB board, and the pair of clamping members are driven by the first cylinder to move away from each other, so that the circumferential edges of the first assembly hole are clamped into the pair of card slots to laterally position the PCB board, thereby achieving stable grabbing of the PCB board and further enhancing the PCB board grabbing stability of the device.

[0035] 3. The picking module of the second embodiment of the present invention is adapted to grab PCB boards of various hole diameters and thicknesses by arranging a carrying bag filled with flexible particles between the bottom end of the screw and the bottom end of the assembly barrel, thereby enhancing the practicality of the present device.

[0036] It is to be understood that both the foregoing general description and the following detailed description are exemplary, and are intended to provide further explanation of the technology as claimed. BRIEF DESCRIPTION OF THE DRAWINGS

[0037] Figure 1 It is a schematic diagram of assembly according to the first embodiment of the utility model;

[0038] Figure 2 for Figure 1 A partial enlarged schematic diagram of the middle A area;

[0039] Figure 3 It is a schematic diagram of the assembly according to the second embodiment of the utility model;

[0040] Figure 4 for Figure 3 A partial enlarged schematic diagram of the middle B area;

[0041] Figure 5 It is a schematic diagram of the assembly of a pickup module according to a second embodiment of the utility model;

[0042] Figure 6 It is an assembly diagram according to the third embodiment of the utility model.

[0043] Description of the accompanying drawings:

[0044] 1-carrying plate, 4-carrying platform, 5-robotic arm, 6-PCB board loading device.

[0045] 2- Picking module: 21- first cylinder, 22- clamping piece, 221- slot, 23- longitudinal positioning assembly (231- second cylinder, 232- push rod), 24- assembly bracket, 25- nut, 26- assembly cylinder, 27- screw rod, 28- carrying bag, 29- driving assembly (291- motor, 292- telescopic cylinder, 293- guide rod).

[0046] 3-elastic telescopic rod: 31-bearing tube, 32-positioning rod. DETAILED DESCRIPTION

[0047] The preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings to further illustrate the present invention.

[0048] The above and other technical contents, features and effects of the present invention will be clearly presented in the following detailed description of the embodiments with reference to the accompanying drawings. The directional terms mentioned in the following embodiments, such as up, down, left, right, front or back, etc., are only the directions of the reference drawings. Therefore, the directional terms used are used to illustrate and not to limit the present invention. In addition, in all embodiments, the same reference numerals represent the same elements.

[0049] First, combine Figures 1 to 6 The PCB board picking clamp according to the embodiment of the utility model is described, which is used to pick up the PCB board and has a wide range of application scenarios.

[0050] like Figure 1 , 3 As shown, the PCB board picking clamp of the embodiment of the utility model comprises: a carrying plate, a plurality of elastic telescopic rods and a plurality of picking modules.

[0051] Specifically, Figure 1 , 3 As shown, a plurality of elastic telescopic rods are fixedly arranged at the bottom of the carrying plate for positioning the PCB board; a plurality of picking modules are arranged at the bottom of the carrying plate for grabbing the PCB board.

[0052] Further, if Figure 1 , 2 As shown, in the first embodiment of the utility model, the picking module includes: a first cylinder and a pair of clamping members; the first cylinder is fixedly arranged at the bottom of the carrying plate; and the pair of clamping members are respectively arranged at a pair of execution ends of the first cylinder.

[0053] Further, if Figure 1 , 2 As shown, the picking module further includes: a pair of card slots, the pair of card slots are respectively opened on the circumferential side walls of a pair of clamping members, any card slot is located at the bottom end of the corresponding clamping member, the sum of the outer diameters of the bottom ends of the pair of clamping members is smaller than the inner diameter of the first assembly hole of the PCB board, when the picking module grabs the PCB board, the bottom ends of the pair of clamping members are inserted into one of the first assembly holes of the PCB board, the pair of card slots are clamped with the circumferential edges of the first assembly holes, and the width of the card slots is not less than the thickness of the PCB board.

[0054] Further, if Figure 1 , 2As shown, the picking module also includes: a plurality of longitudinal positioning components, the width of the card slot is greater than the thickness of the PCB board, and the plurality of longitudinal positioning components are arranged at the bottom of the carrier plate. When the picking module grabs the PCB board, the plurality of longitudinal positioning components are connected to the PCB board for longitudinal positioning of the PCB board.

[0055] Further, if Figure 1 , 2 As shown, the longitudinal positioning component includes: a second cylinder and a push rod; the second cylinder is fixedly arranged at the bottom of the supporting plate; the top end of the push rod is fixedly connected to the execution end of the second cylinder, and when the picking module grabs the PCB board, the bottom end of the push rod abuts against the top of the PCB board to perform longitudinal positioning of the PCB board.

[0056] Further, if Figures 3 to 5 As shown, in the second embodiment of the utility model, the picking module includes: an assembly bracket, a nut, an assembly barrel, a screw, a carrying capsule and a driving component; the assembly bracket is fixedly arranged at the bottom of the carrying plate; the nut is fixedly arranged on the assembly bracket; the screw is inserted into the inner cavity of the nut, and the screw is threadedly connected with the nut. When the picking module grabs the PCB board, the bottom end of the screw is inserted into one of the first assembly holes of the PCB board; the assembly barrel is sleeved on the screw, the top of the assembly barrel is fixedly connected to the bottom of the nut, and the bottom end of the screw protrudes from the bottom end surface of the assembly barrel; the carrying capsule is sleeved on the bottom end of the screw, the top of the carrying capsule is fixedly connected to the bottom end of the assembly barrel, the bottom of the carrying capsule is fixedly connected to the bottom end of the screw, the carrying capsule is an elastic member, and the inner cavity of the carrying capsule is filled with flexible particles.

[0057] Further, if Figures 3 to 5 As shown, the driving assembly includes: a motor, a telescopic cylinder and a guide rod; the motor is fixedly arranged on a supporting plate; the telescopic cylinder is fixedly arranged at the driving end of the motor, and the telescopic cylinder is located between the screw rod and the supporting plate; the guide rod is movably inserted into the inner cavity of the telescopic cylinder, the bottom end of the guide rod is fixedly connected to the top end of the screw rod, the guide rod is a prism, and the radial cross-sectional shape of the guide rod matches that of the inner cavity of the telescopic cylinder.

[0058] Further, if Figure 1 , 3As shown, in the first embodiment or the second embodiment of the utility model, the elastic telescopic rod includes: a bearing tube, a positioning rod and a reset elastic member; the bearing tube is fixedly arranged at the bottom of the bearing plate; the positioning rod is movably inserted in the inner cavity of the bearing tube, and the top end of the positioning rod is slidably connected to the inner wall of the bearing tube. When the elastic telescopic rod positions the PCB board, the bottom end of the positioning rod is plugged into one of the second assembly holes of the PCB board, the outer diameter of the bottom end of the positioning rod is smaller than the outer diameter of the second assembly hole, and the outer diameter of the middle section of the positioning rod is larger than the outer diameter of the second assembly hole; the reset elastic member is arranged in the inner cavity of the bearing tube, one end of the reset elastic member is connected to the inner wall of the bearing tube, and the other end of the reset elastic member is connected to the top end of the positioning rod, which is used to drive the positioning rod to extend out of the outer surface of the bearing tube.

[0059] Further, if Figure 1 , 3 As shown, the elastic telescopic rod also includes: a displacement sensor, which is arranged on the inner wall of the bearing tube, and the detection end of the displacement sensor is connected to the top end of the positioning rod for detecting the extension length of the positioning rod.

[0060] The working principle of the first embodiment of the utility model is as follows:

[0061] When the equipment is running, the external device drives the carrier plate to drop one end distance, so that the bottom end of the positioning rod of the elastic telescopic rod is inserted into the second assembly hole. In this process, after the bottom end of the positioning rod is inserted into the second assembly hole, the positioning rod is gradually retracted into the inner cavity of the carrier tube under the drive of external force. The displacement sensor characterizes the distance between the bottom end of the clamp and the PCB board by detecting the contraction degree of the positioning rod. When the positioning rod is retracted into the inner cavity of the carrier tube to a certain extent, the displacement sensor releases a feedback signal. At this time, the bottom end of the clamp has been inserted into the first assembly hole. The first cylinder drives a pair of clamps to move back to back, so that a pair of slots set at the bottom ends of the pair of clamps are engaged with the circumferential edge of the first assembly hole; after that, the second cylinder drives the push rod to extend downward, so that the bottom end of the second top cover supports the PCB board to perform longitudinal positioning of the PCB board.

[0062] The working principle of the second embodiment of the utility model is as follows:

[0063] When the equipment is running, the external device drives the carrier plate to drop one end distance, so that the bottom end of the positioning rod of the elastic telescopic rod is inserted into the second assembly hole. In this process, after the bottom end of the positioning rod is inserted into the second assembly hole, the positioning rod is gradually retracted into the inner cavity of the carrier tube under the drive of external force. The displacement sensor characterizes the distance between the bottom end of the clamp and the PCB board by detecting the contraction degree of the positioning rod. When the positioning rod is retracted into the inner cavity of the carrier tube to a certain extent, the displacement sensor releases a feedback signal. At this time, the bottom end of the screw rod and part of the structure of the carrier bag sleeved on the bottom end of the screw rod have been inserted into the first assembly hole. Then, the motor drives the telescopic tube to rotate. The telescopic cylinder is used to drive the guide rod and the screw to rotate. During the rotation process, the screw moves upward by cooperating with the nut thread, so that the length of the bottom end of the screw protruding from the bottom surface of the assembly cylinder gradually decreases. During the process of the screw moving upward, the outer diameter of the carrying bag inserted in the first assembly hole gradually increases until the contour of the carrying bag is in the shape of an "I", thereby wrapping the circumferential edge of the first assembly hole, and then the motor stops running. In this state, the outer diameters of some structures of the carrying bag located on the upper side and the lower side of the PCB board are larger than the inner diameter of the first assembly hole, so as to achieve the purpose of longitudinal positioning of the PCB board.

[0064] like Figure 3 As shown, the third embodiment of the utility model proposes a PCB board feeding equipment, including the above-mentioned PCB board picking clamp, and also includes: a carrying platform, a mechanical arm and a PCB board feeding device.

[0065] Specifically, Figure 3 As shown, the robotic arm is arranged on the carrying platform, and the execution end of the robotic arm is fixedly connected to the carrying plate of the PCB board picking clamp, which is used to transport the PCB board from the picking station of the carrying platform to the loading station; the PCB board loading device is arranged on the carrying platform, and the PCB board loading device is located on one side of the robotic arm, which is used to transfer the PCB board.

[0066] When the equipment is running, the PCB board feeding device transfers the material box containing PCB boards to the picking station of the carrying platform. After the robotic arm drives the PCB board picking claw to move to the picking station, the PCB board in the material box is grabbed by the PCB board picking claw. Then, the robotic arm drives the PCB board picking claw to move to the loading station of the carrying platform, and the PCB board picking claw places the PCB board at the loading station.

[0067] Above, refer to Figures 1 to 6 The PCB board picking clamp and feeding device according to the embodiment of the utility model are described, which have the following beneficial effects:

[0068] 1. The PCB board picking claw of the utility model is provided with an elastic telescopic rod, so that when the device grabs the PCB board, the bottom end of the elastic telescopic rod is inserted into the second assembly hole, so as to laterally position the PCB board, thereby enhancing the lateral positioning ability of the device when grabbing the PCB board and solving the defect of poor grabbing stability in the prior art.

[0069] 2. The picking module of the first embodiment of the utility model grabs the PCB board by setting a pair of clamping members and a pair of card slots. When grabbing the PCB board, the bottom ends of the pair of clamping members are inserted into the same first assembly hole to laterally position the PCB board, and the pair of clamping members are driven by the first cylinder to move away from each other, so that the circumferential edges of the first assembly hole are clamped into the pair of card slots to laterally position the PCB board, thereby achieving stable grabbing of the PCB board and further enhancing the PCB board grabbing stability of the device.

[0070] 3. The picking module of the second embodiment of the present invention is adapted to grab PCB boards of various hole diameters and thicknesses by arranging a carrying bag filled with flexible particles between the bottom end of the screw and the bottom end of the assembly barrel, thereby enhancing the practicality of the present device.

[0071] It should be noted that, in this specification, the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also includes other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprises..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0072] Although the content of the utility model has been described in detail through the above preferred embodiments, it should be recognized that the above description should not be considered as a limitation of the utility model. After reading the above content, various modifications and substitutions of the utility model will be obvious to those skilled in the art. Therefore, the protection scope of the utility model should be limited by the attached claims.

Claims

1. A PCB board picking clamp, characterized in that: It includes: a carrying plate, a plurality of elastic telescopic rods and a plurality of picking modules; The plurality of elastic telescopic rods are fixedly arranged at the bottom of the bearing plate and are used to position the PCB board; The plurality of picking modules are arranged at the bottom of the carrying plate and are used for grabbing the PCB board.

2. The PCB board picking clamp as claimed in claim 1, characterized in that: The picking module comprises: a first cylinder and a pair of clamping members; The first cylinder is fixedly arranged at the bottom of the bearing plate; The pair of clamping members are respectively arranged at a pair of actuating ends of the first cylinder.

3. The PCB board picking clamp as claimed in claim 2, characterized in that: The pickup module further includes: a pair of card slots, which are respectively opened on the circumferential side walls of the pair of clamping members, and any one of the card slots is located at the bottom end of the corresponding clamping member. When the pickup module grabs the PCB board, the bottom end of the pair of clamping members is inserted into one of the first assembly holes of the PCB board, and the pair of card slots are clamped with the circumferential edges of the first assembly holes, and the width of the card slots is not less than the thickness of the PCB board.

4. The PCB board picking clamp as claimed in claim 3, characterized in that: The picking module further comprises: a plurality of longitudinal positioning components, the width of the card slot is greater than the thickness of the PCB board, the plurality of longitudinal positioning components are arranged at the bottom of the carrying plate, and when the picking module grabs the PCB board, the plurality of longitudinal positioning components are connected to the PCB board for longitudinal positioning of the PCB board.

5. The PCB board picking clamp as claimed in claim 4, characterized in that: The longitudinal positioning assembly comprises: a second cylinder and a push rod; The second cylinder is fixedly arranged at the bottom of the carrying plate; The top end of the push rod is fixedly connected to the execution end of the second cylinder. When the picking module grabs the PCB board, the bottom end of the push rod abuts against the top of the PCB board to perform longitudinal positioning of the PCB board.

6. The PCB board picking clamp as claimed in claim 1, characterized in that: The picking module comprises: an assembly bracket, a nut, an assembly barrel, a screw rod, a carrying capsule and a driving assembly; The assembly bracket is fixedly arranged at the bottom of the carrying plate; The nut is fixedly arranged on the assembly bracket; The screw is inserted into the inner cavity of the nut, and the screw is threadedly connected to the nut. When the picking module grabs the PCB board, the bottom end of the screw is inserted into one of the first assembly holes of the PCB board; The assembly cylinder is sleeved on the screw rod, the top of the assembly cylinder is fixedly connected to the bottom of the nut, and the bottom end of the screw rod protrudes from the bottom end surface of the assembly cylinder; The carrying bag is sleeved on the bottom end of the screw, the top of the carrying bag is fixedly connected to the bottom end of the assembly tube, the bottom of the carrying bag is fixedly connected to the bottom end of the screw, the carrying bag is an elastic member, and the inner cavity of the carrying bag is filled with flexible particles.

7. The PCB board picking clamp as claimed in claim 6, characterized in that: The driving assembly comprises: a motor, a telescopic cylinder and a guide rod; The motor is fixedly arranged on the bearing plate; The telescopic cylinder is fixedly arranged at the driving end of the motor, and the telescopic cylinder is located between the screw rod and the bearing plate; The guide rod is movably inserted in the inner cavity of the telescopic cylinder, the bottom end of the guide rod is fixedly connected to the top end of the screw rod, the guide rod is a prism, and the radial cross-sectional shape of the guide rod matches that of the inner cavity of the telescopic cylinder.

8. The PCB board picking clamp as claimed in claim 1, characterized in that: The elastic telescopic rod comprises: a bearing tube, a positioning rod and a resetting elastic member; The bearing tube is fixedly arranged at the bottom of the bearing plate; The positioning rod is movably inserted in the inner cavity of the carrying tube, the top end of the positioning rod is slidably connected to the inner wall of the carrying tube, when the elastic telescopic rod positions the PCB board, the bottom end of the positioning rod is plugged into one of the second assembly holes of the PCB board, the outer diameter of the bottom end of the positioning rod is smaller than the outer diameter of the second assembly hole, and the outer diameter of the middle section of the positioning rod is larger than the outer diameter of the second assembly hole; The reset elastic member is arranged in the inner cavity of the bearing tube, one end of the reset elastic member is connected to the inner wall of the bearing tube, and the other end of the reset elastic member is connected to the top end of the positioning rod, which is used to drive the positioning rod to extend out of the outer surface of the bearing tube.

9. The PCB board picking clamp as claimed in claim 8, characterized in that: The elastic telescopic rod further comprises: a displacement sensor, which is arranged on the inner wall of the bearing tube, and a detection end of the displacement sensor is connected to the top end of the positioning rod for detecting the extension length of the positioning rod.

10. A PCB board feeding equipment, characterized in that: It comprises a PCB board picking clamp as claimed in any one of claims 1 to 9.

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