PCB picking and transplanting mechanism

Abstract

The utility model discloses a PCB (printed circuit board) picking and transplanting mechanism which comprises a frame body, belt conveying lines and a picking mechanism, the belt conveying lines and the picking mechanism are arranged on the frame body, the frame body is composed of a first supporting plate and a second supporting plate which are vertically and oppositely arranged, and the two rows of belt conveying lines are symmetrically arranged on the inner wall of the first supporting plate and the inner wall of the second supporting plate respectively. The first supporting plate and the second supporting plate are arranged on the base and driven by the same belt driving mechanism to synchronously run so as to form a conveying face used for conveying products, and a ball screw is arranged between the first supporting plate and the second supporting plate to adjust the distance between the first supporting plate and the second supporting plate so that the width of the conveying face can be matched with the width of the products. The picking mechanism comprises a hook claw and a hook claw driving mechanism, the hook claw driving mechanism is arranged on the first supporting plate and drives the hook claw to horizontally move along the first supporting plate, and the hook claw is located above the conveying face so that materials can be hooked to the conveying face through translation to be conveyed. According to the utility model, the first support plate and the second support plate form the frame body, and the two rows of belt conveying lines are respectively arranged on the first support plate and the second support plate, so that the width of a conveying surface formed by the two rows of belt conveying lines can be changed by changing the distance between the first support plate and the second support plate; and therefore, various products with different sizes and widths can be conveyed, flexible transplanting is achieved, the application range is widened, and the application flexibility is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of PCB board feeding system, specifically relates to a kind of PCB board picking transplanting mechanism. BACKGROUND

[0002] Transplanting mechanism is the common mechanism for picking up materials and transferring in production field, but according to the different products to be transplanted, the specific grabbing structure of transplanting mechanism will be different. Among them, for plate material, such as PCB board transplanting mechanism is usually suction cup or jaw, such as CN 221995731 U disclosed a kind of transplanting mechanism, which is grabbed by mechanical claw plate to transplant. Such transplanting mode makes the transplanting mechanism itself needs certain transplanting space above to move mechanical claw plate, to avoid material from touching other components, and in the process of transferring, mechanical claw plate needs to clamp material to prevent it from falling, and the moving range of mechanical claw plate needs to be limited to ensure the alignment when taking and placing materials.

[0003] Based on the above problems, a more stable and efficient transplanting mechanism is needed to transplant PCB board, and the size of PCB board adapted to different products also exists difference, if special machine is used, it needs to consume huge cost, so a flexible PCB board transplanting mechanism is needed to realize accurate conveying. UTILITY MODEL CONTENT

[0004] The utility model aims at overcoming the deficiencies in the prior art, and provides a PCB board picking transplanting mechanism.

[0005] The utility model aims to achieve the following technical solutions:

[0006] PCB board picking transplanting mechanism, including frame body, setting on the frame body belt conveying line and picking mechanism, the frame body is composed of first supporting plate and second supporting plate which are vertically arranged, two said belt conveying lines are respectively arranged on the inner wall of the first supporting plate and the second supporting plate, and are driven by the same belt driving mechanism to rotate synchronously, to form a conveying surface for conveying products, a ball screw is arranged between the first supporting plate and the second supporting plate to adjust the distance between them, so that the width of the conveying surface is adapted to the width of the product; the picking mechanism includes hook claw and hook claw driving mechanism, the hook claw driving mechanism is arranged on the first supporting plate and drives the hook claw to move horizontally along the first supporting plate, and the hook claw is located above the conveying surface to hook the material onto the conveying surface for conveying by translation.

[0007] Preferably, the ball screw includes a screw, a ball nut, a first driving motor and a first synchronous belt assembly, the screw is arranged between the first support plate and the second support plate, the first driving motor is arranged on the second support plate, the motor shaft of the first driving motor is in transmission connection with the end of the screw through the first synchronous belt assembly to drive the screw to rotate, the ball nut is fixedly arranged in the first support plate and rotatably arranged on the screw, the screw drives the ball nut to move along the screw through rotation, and the first support plate is driven to move synchronously relative to the second support plate to adjust the distance between the first support plate and the second support plate.

[0008] Preferably, two rows of the belt conveying lines are fixedly arranged on the inner walls of the first support plate and the second support plate, the belts of each row of the belt conveying lines are in transmission connection with the belt driving mechanism through a set of tension pulleys, the belt driving mechanism includes a second driving motor, a transmission rod, a transmission pulley and a second synchronous belt assembly, the transmission rod is arranged between the first support plate and the second support plate, the second driving motor is arranged on the second support plate, the motor shaft of the second driving motor is in transmission connection with the transmission rod through the second synchronous belt assembly to drive the transmission rod to rotate, the two transmission pulleys are fixedly arranged at the two ends of the transmission rod and are in transmission connection with the belts of the two rows of the belt conveying lines respectively to drive the belts of the two rows of the belt conveying lines to move synchronously.

[0009] Preferably, the two rows of the belt conveying lines are fixedly arranged on the top of the inner walls of the first support plate and the second support plate, and the top of the first support plate and the top of the second support plate are respectively fixedly arranged with limiting guide plates, the limiting guide plates form stepped surfaces with the surfaces of the belt conveying lines to make the products conveyed along the limiting guide plates.

[0010] Preferably, the claw driving mechanism includes a support plate, a third driving motor, a claw sliding rail, a connecting plate and a third synchronous belt assembly, the support plate is fixedly arranged on the outer side wall of the first support plate and extends in the same direction, the claw sliding rail is fixedly arranged on the top of the support plate, the connecting plate is slidingly arranged on the claw sliding rail, the claw is fixedly arranged on the front side of the connecting plate, the third driving motor is arranged on the first support plate and is in transmission connection with the connecting plate through the third synchronous belt assembly to drive the connecting plate to drive the claw to move along the claw sliding rail.

[0011] Preferably, the front end and the rear end of the support plate are further provided with two in-place sensors, the two in-place sensors correspond to the start position and the end position of the connecting plate respectively.

[0012] Preferably, the horizontal transplanting mechanism arranged on the horizontal support comprises a horizontal sliding rail, a horizontal driving motor, a connecting block and a fourth synchronous belt assembly, the horizontal support extends horizontally in a direction perpendicular to the moving direction of the belt conveying line, the horizontal sliding rail is fixedly arranged on the horizontal support, the first support plate and the second support plate are slidingly arranged on the horizontal sliding rail through sliding blocks, the bottom of the second support plate is fixedly connected with the top of the connecting block, the bottom of the connecting block is fixedly arranged on the fourth synchronous belt assembly, and the horizontal driving motor is arranged at the bottom of the horizontal support and is in transmission connection with the connecting block through the fourth synchronous belt assembly, so that the connecting block drives the first support plate and the second support plate to synchronously translate along the horizontal sliding rail.

[0013] Preferably, the inner sides of the two ends of the horizontal support are respectively provided with two second position sensors, and the two second position sensors correspond to the start position and the end position of the connecting block respectively.

[0014] Preferably, the lifting mechanism arranged on the lifting support comprises a second lead screw, a second ball nut, a lifting motor and a fifth synchronous belt assembly, the two second lead screws are vertically and pivotally arranged at the two ends of the lifting support respectively, the lifting motor is arranged on the lifting support and is in transmission connection with the bottoms of the two second lead screws through the fifth synchronous belt assembly, so that the two second lead screws are synchronously rotated, and the two second ball nuts are respectively embedded in the two ends of the horizontal support and are respectively arranged on the second lead screw, the two second lead screws drive the two second ball nuts to synchronously ascend and descend through synchronous rotation, so that the horizontal support ascends and descends.

[0015] Preferably, the lifting mechanism further comprises a group of guide rods, the two ends of the lifting support are vertically and fixedly provided with the two guide rods respectively, the second lead screw is located between the two guide rods, and the two ends of the horizontal support are also sleeved on the guide rods to ascend and descend along the guide rods, and the third position sensor is arranged on the lifting support and located at the upper end and the lower end respectively, and the two second position sensors correspond to the start position and the end position of the horizontal support respectively.

[0016] The beneficial effects of the utility model mainly embody in:

[0017] 1、 the first support plate and the second support plate constitute a frame body, and two belt conveying lines are arranged on the first support plate and the second support plate respectively, so that the frame body can change the width of the conveying surface formed by the two belt conveying lines by changing the distance between the first support plate and the second support plate, thereby adapting to conveying products of various different sizes, realizing flexible transplanting and improving the use range and flexibility.

[0018] 2. The hook claw is arranged to hook the product onto the belt conveying line by translation, realize the translation of the product, minimize the use of transplanting space, and maximize the reduction of the possibility of collision between the product and other components, and improve the efficiency of product transplanting;

[0019] 3. The horizontal transplanting mechanism and the lifting mechanism cooperate with the hook claw to realize the arbitrary movement of the product in three directions of front and back, left and right, and up and down, to meet the position requirements of the feeding port and the discharging port at each position, and to realize the picking, transplanting and output at any position requirement. BRIEF DESCRIPTION OF DRAWINGS

[0020] The technical scheme of the present application will be further described below with reference to the drawings:

[0021] Fig. 1 : the schematic diagram of the embodiment of the present application;

[0022] Fig. 2 : the sectional view of the embodiment of the present application;

[0023] Fig. 3 : the partial schematic diagram of the embodiment of the present application;

[0024] Fig. 4 : the partial schematic diagram of the embodiment of the present application from another angle. DETAILED DESCRIPTION

[0025] The present application will be described in detail below with reference to the specific embodiments shown in the drawings. However, these embodiments are not limited to the present application, and the changes in structure, method or function made by those skilled in the art based on these embodiments are all included in the protection scope of the present application.

[0026] In the description of the scheme, it should be noted that the terms "center", "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of description and simplification of description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance. Moreover, in the description of the scheme, the operator is taken as the reference, the direction close to the operator is the proximal end, and the direction away from the operator is the distal end.

[0027] As Figs. 1 to 4The utility model discloses a kind of PCB board picking transplanting mechanisms, including frame, belt conveying line 3 and picking mechanism being set to the frame, the frame is made of vertically opposite first supporting plate 1 and second supporting plate 2, two columns belt conveying line 3 are respectively symmetrically set on the inner wall of first supporting plate 1, second supporting plate 2, and by same belt driving mechanism driving synchronous operation, to constitute the conveying surface for conveying product, first supporting plate 1 and second supporting plate 2 between ball screw are provided to adjust the spacing between the two, so that the width of the conveying surface is adapted to the width of the product;The picking mechanism includes claw 4 and claw driving mechanism, the claw driving mechanism is set on the first supporting plate 1, and drives the claw 4 moves horizontally along the first supporting plate 1, the claw 4 is located above the conveying surface, to be hooked to the conveying surface by translation and be conveyed.

[0028] The utility model discloses a kind of PCB board picking transplanting mechanisms, including frame, belt conveying line 3 and picking mechanism being set to the frame, the frame is made of vertically opposite first supporting plate 1 and second supporting plate 2, two columns belt conveying line 3 are respectively symmetrically set on the inner wall of first supporting plate 1, second supporting plate 2, and by same belt driving mechanism driving synchronous operation, to constitute the conveying surface for conveying product, first supporting plate 1 and second supporting plate 2 between ball screw are provided to adjust the spacing between the two, so that the width of the conveying surface is adapted to the width of the product;The picking mechanism includes claw 4 and claw driving mechanism, the claw driving mechanism is set on the first supporting plate 1, and drives the claw 4 moves horizontally along the first supporting plate 1, the claw 4 is located above the conveying surface, to be hooked to the conveying surface by translation and be conveyed.

[0029] Specifically, the ball screw includes a lead screw 501, a ball nut 502, a first drive motor 503, and a first synchronous belt assembly. The lead screw 501 is arranged between the first supporting plate 1 and the second supporting plate 2. The first drive motor 503 is arranged on the second supporting plate 2, and the motor shaft is drivingly connected to the end of the lead screw 501 through the first synchronous belt assembly to drive the lead screw 501 to rotate. The ball nut 502 is fixedly arranged in the first supporting plate 1 and rotatably arranged on the lead screw 501. The lead screw 501 drives the ball nut 502 to move along the lead screw 501 by rotating, and drives the first supporting plate 1 to move synchronously relative to the second supporting plate 2, so as to adjust the spacing between the first supporting plate 1 and the second supporting plate 2.

[0030] The first synchronous belt assembly includes a driving wheel, a driven wheel, and a synchronous belt arranged around the driving wheel and the driven wheel. The driving wheel is fixedly arranged on the motor shaft. The driven wheel is arranged on the component that needs to be driven to synchronously rotate. The driving wheel drives the driven wheel to synchronously rotate through the synchronous belt. This is a prior art, which will not be described here. The second synchronous belt assembly, the third synchronous belt assembly, the fourth synchronous belt assembly, and the fifth synchronous belt assembly described below are similar structures. The main difference is that the number of driven wheels is different and the length of the synchronous belt is different. Here, they will not be listed one by one.

[0031] The belt conveying line in the scheme is composed of two rows of belt conveying lines 3 with the same structure. Each row of the belt conveying lines 3 has the same structure and is composed of a belt 301 and a set of tensioning wheels 302. The two rows of the belt conveying lines 3 are respectively fixed on the inner walls of the first support plate 1 and the second support plate 2. The belt 301 of each row of the belt conveying lines 3 is in transmission connection with the belt driving mechanism through a set of tensioning wheels 302. The belt driving mechanism comprises a second driving motor 303, a transmission rod 304, a transmission wheel 305 and a second synchronous belt assembly. The transmission rod 304 is arranged between the first support plate 1 and the second support plate 2. The second driving motor 303 is arranged on the second support plate 2 and is in transmission connection with the transmission rod 304 through the second synchronous belt assembly to drive the transmission rod 304 to rotate. Two transmission wheels 305 are respectively fixed on the two ends of the transmission rod 304 and are in transmission connection with the belts 301 of the two rows of the belt conveying lines 3 respectively to drive the belts 301 of the two rows of the belt conveying lines 3 to move synchronously.

[0032] Preferably, the two rows of the belt conveying lines 3 are respectively fixed on the top of the inner walls of the first support plate 1 and the second support plate 2. The top of the first support plate 1 and the second support plate 2 is respectively fixed with a limiting guide plate 306. The limiting guide plate 306 forms a stepped surface 307 with the surface of the belt conveying line 3 to make the product conveyed along the limiting guide plate 306. The stepped surface 307 limits the side of the product to avoid the product from separating from the conveying surface during the conveying process.

[0033] The claw driving mechanism comprises a support plate 401, a third driving motor 402, a claw sliding rail 403, a connecting plate 404 and a third synchronous belt assembly. The support plate 401 is fixed on the outer side wall of the first support plate 1 and extends in the same direction. The claw sliding rail 403 is fixed on the top of the support plate 401. The connecting plate 404 is slidingly arranged on the claw sliding rail 403. The claw 4 is vertically fixed on the front side of the connecting plate 404. The third driving motor 402 is arranged on the first support plate 1 and is in transmission connection with the connecting plate 404 through the third synchronous belt assembly to drive the connecting plate 404 to move the claw 4 along the claw sliding rail 403. The moving direction of the claw 4 is consistent with the conveying direction of the conveying surface. Preferably, the claw 4 is located at the position of the center line of the conveying surface to ensure that the claw 4 can make the product fall on the conveying surface stably after picking up the product to minimize the deviation. The claw 4 is arranged to pick up the product to the belt conveying line 3 by translation to realize the translation of the product. Compared with other picking methods, the use of space for transplanting can be minimized and the possibility of collision between the product and other components can be minimized to improve the efficiency of product transplanting.

[0034] Further, the front and rear ends of the support plate 401 are also provided with two in-place sensors 405, and the two in-place sensors 405 correspond to the start point and the end point of the connecting plate 404 respectively to detect the position of the hook claw 4, and further judge whether the hook claw 4 successfully hooks the product.

[0035] Further, the device also comprises a horizontal transplanting mechanism arranged on the horizontal support 7, the horizontal transplanting mechanism comprises a horizontal sliding rail 701, a horizontal driving motor 702, a connecting block 703, and a fourth synchronous belt assembly, the horizontal support 7 extends horizontally in a direction perpendicular to the moving direction of the belt conveying line 3, the horizontal sliding rail 701 is fixedly arranged on the horizontal support 7, the first support plate 1 and the second support plate 2 are slidingly arranged on the horizontal sliding rail 701 through sliding blocks, the bottom of the second support plate 2 is fixedly connected with the top of the connecting block 703, the bottom of the connecting block 703 is fixedly arranged on the fourth synchronous belt assembly, and the horizontal driving motor 702 is arranged at the bottom of the horizontal support 7 and is drivingly connected with the connecting block 703 through the fourth synchronous belt assembly, so as to drive the connecting block 703 to drive the first support plate 1 and the second support plate 2 to synchronously translate along the horizontal sliding rail 701. The arrangement of the horizontal transplanting mechanism can make the whole frame composed of the first support plate 1 and the second support plate 2 move, so that the belt conveying line on the frame can pick up the product in cooperation with the feeding port in any horizontal direction.

[0036] The inner sides of the horizontal support 7 are respectively provided with two second in-place sensors 704, and the two second in-place sensors 704 correspond to the start point and the end point of the connecting block 703 respectively to limit the left and right movement limit positions of the frame, so as to avoid excessive movement.

[0037] Similarly, the device also comprises a lifting mechanism arranged on the lifting support 6, the lifting mechanism comprises a second lead screw 601, a second ball nut 602, a lifting motor 603, and a fifth synchronous belt assembly, the two second lead screws 601 are vertically and pivotally arranged at the two ends of the lifting support 6, the lifting motor 603 is arranged on the lifting support 6 and is drivingly connected with the bottoms of the two second lead screws 601 through the fifth synchronous belt assembly to drive the two second lead screws 601 to synchronously rotate, the two second ball nuts 602 are respectively embedded in the two ends of the horizontal support 7 and are respectively arranged on the second lead screw 601, and the two second lead screws 601 drive the two second ball nuts 602 to synchronously ascend and descend by synchronous rotation, so as to make the horizontal support 7 ascend and descend. Since the horizontal transplanting mechanism is arranged on the horizontal support 7, and the frame is arranged on the horizontal moving mechanism, the arrangement of the lifting mechanism makes the frame ascend and descend, so as to adapt to the pickup of products of any height.

[0038] In order to make the horizontal support 7 up and down more stable, the lifting mechanism further comprises a set of guide rods 604, two of the guide rods 604 are respectively vertically fixed on the two ends of the lifting support 6, the second lead screw 601 is located between the two guide rods 604, and the two ends of the horizontal support 7 are also respectively sleeved on the guide rods 604 to ascend and descend along the guide rods 604.

[0039] The lifting support 6 is provided with third to-position sensors 605 on both ends of one side, and two second to-position sensors 605 correspond to the starting position and the ending position of the horizontal support 7 respectively, so as to limit the upper and lower movement limit positions of the frame body, and avoid excessive movement.

[0040] The horizontal transplanting mechanism and the lifting mechanism cooperate with the claws to realize the arbitrary movement of the product in three directions of front and back, left and right, up and down, so as to meet the position requirements of the feeding port and the discharging port at each position, and to pick up, transplant and output at any position requirement.

[0041] It should be understood that although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be combined appropriately to form other embodiments that those skilled in the art can understand.

[0042] The series of detailed descriptions listed above are only specific descriptions of the feasible embodiments of the present application, and they are not used to limit the protection scope of the present application. Any equivalent embodiments or changes made without departing from the spirit of the present application should be included in the protection scope of the present application.

Claims

1. A PCB board picking and transferring mechanism, characterized in that: The device includes a frame, belt conveyor lines (3) mounted on the frame, and a pickup mechanism. The frame consists of a first support plate (1) and a second support plate (2) arranged vertically opposite each other. The two belt conveyor lines (3) are symmetrically arranged on the inner walls of the first support plate (1) and the second support plate (2), and are driven synchronously by the same belt drive mechanism to form a conveying surface for conveying products. A ball screw is provided between the first support plate (1) and the second support plate (2) to adjust the distance between them so that the width of the conveying surface is adapted to the width of the product. The pickup mechanism includes a hook (4) and a hook drive mechanism. The hook drive mechanism is mounted on the first support plate (1) and drives the hook (4) to move horizontally along the first support plate (1). The hook (4) is located above the conveying surface so as to hook the material onto the conveying surface for conveying by translation.

2. The PCB board picking and transferring mechanism according to claim 1, characterized in that: The ball screw includes a screw (501), a ball nut (502), a first drive motor (503), and a first synchronous belt assembly. The screw (501) passes between the first support plate (1) and the second support plate (2). The first drive motor (503) is mounted on the second support plate (2), and its motor shaft is connected to the end of the screw (501) via the first synchronous belt assembly to drive the screw (501) to rotate. The ball nut (502) is fixed in the first support plate (1) and screwed onto the screw (501). The screw (501) drives the ball nut (502) to move along it by rotating, and drives the first support plate (1) to move synchronously relative to the second support plate (2) to adjust the distance between the first support plate (1) and the second support plate (2).

3. The PCB board picking and transferring mechanism according to claim 2, characterized in that: The two belt conveyor lines (3) are respectively fixed on the inner walls of the first support plate (1) and the second support plate (2). The belt (301) of each belt conveyor line (3) is connected to the belt drive mechanism through a set of tensioning wheels (302). The belt drive mechanism includes a second drive motor (303), a transmission rod (304), a transmission wheel (305), and a second synchronous belt assembly. The transmission rod (304) passes between the first support plate (1) and the second support plate (2). The second drive motor (303) is set on the second support plate (2). Its motor shaft is connected to the transmission rod (304) through the second synchronous belt assembly to drive the transmission rod (304) to rotate. The two transmission wheels (305) are respectively fixed at both ends of the transmission rod (304) and are respectively connected to the belts (301) of the two belt conveyor lines (3) to drive the belts (301) of the two belt conveyor lines (3) to move synchronously.

4. The PCB board picking and transferring mechanism according to claim 3, characterized in that: The two belt conveyor lines (3) are respectively fixed to the top of the inner wall of the first support plate (1) and the second support plate (2), and the top of the first support plate (1) and the second support plate (2) are respectively fixed with a limiting guide plate (306). The limiting guide plate (306) and the surface of the belt conveyor line (3) form a stepped surface (307) so that the product is conveyed along the limiting guide plate (306).

5. The PCB board picking and transferring mechanism according to claim 4, characterized in that: The hook drive mechanism includes a support plate (401), a third drive motor (402), a hook slide rail (403), a connecting plate (404), and a third synchronous belt assembly. The support plate (401) is fixed on the outer side wall of the first support plate (1) and extends in the same direction as it. The hook slide rail (403) is fixed on the top of the support plate (401). The connecting plate (404) is slidably disposed on the hook slide rail (403). The hook (4) is vertically fixed on the front side of the connecting plate (404). The third drive motor (402) is disposed on the first support plate (1) and is connected to the connecting plate (404) through the third synchronous belt assembly to drive the connecting plate (404) to move the hook (4) along the hook slide rail (403).

6. The PCB board picking and transferring mechanism according to claim 5, characterized in that: Two position sensors (405) are also provided at the front and rear ends of the support plate (401), and the two position sensors (405) correspond to the starting position and the ending position of the connecting plate (404) respectively.

7. The PCB board picking and transferring mechanism according to any one of claims 1-6, characterized in that: It also includes a horizontal transplanting mechanism set on a horizontal support (7), the horizontal transplanting mechanism including a horizontal slide rail (701), a horizontal drive motor (702), a connecting block (703), and a fourth synchronous belt assembly. The horizontal support (7) extends horizontally in a direction perpendicular to the moving direction of the belt conveyor (3). The horizontal slide rail (701) is fixed on the horizontal support (7). The first support plate (1) and the second support plate (2) are slidably set on the horizontal slide rail (701) by a slider. The bottom of the second support plate (2) is fixed to the top of the connecting block (703). The bottom of the connecting block (703) is fixed on the fourth synchronous belt assembly. The horizontal drive motor (702) is set on the bottom of the horizontal support (7) and is connected to the connecting block (703) through the fourth synchronous belt assembly to drive the connecting block (703) to drive the first support plate (1) and the second support plate (2) to move synchronously along the horizontal slide rail (701).

8. The PCB board picking and transferring mechanism according to claim 7, characterized in that: Two second positioning sensors (704) are respectively provided at both ends of the inner side of the horizontal support (7), and the two second positioning sensors (704) correspond to the starting position and the ending position of the connecting block (703) respectively.

9. The PCB board picking and transferring mechanism according to claim 7, characterized in that: It also includes a lifting mechanism set on the lifting bracket (6), the lifting mechanism including a second lead screw (601), a second ball nut (602), a lifting motor (603), and a fifth synchronous belt assembly. The two second lead screws (601) are respectively vertically pivotally set at both ends of the lifting bracket (6). The lifting motor (603) is set on the lifting bracket (6) and is connected to the bottom of the two second lead screws (601) through the fifth synchronous belt assembly to drive the two second lead screws (601) to rotate synchronously. The two second ball nuts (602) are respectively embedded at both ends of the horizontal bracket (7) and respectively screwed on one of the second lead screws (601). The two second lead screws (601) drive the two second ball nuts (602) to move up and down synchronously through synchronous rotation, so that the horizontal bracket (7) moves up and down.

10. The PCB board picking and transferring mechanism according to claim 9, characterized in that: The lifting mechanism also includes a set of guide rods (604). Two guide rods (604) are vertically fixed at both ends of the lifting bracket (6). The second lead screw (601) is located between the two guide rods (604). The two ends of the horizontal bracket (7) are also respectively sleeved on the guide rods (604) to move up and down along the guide rods (604). A third position sensor (605) is provided at the upper and lower ends of one side of the lifting bracket (6). The two third position sensors (605) correspond to the starting position and the ending position of the horizontal bracket (7) respectively.

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