Circuit board detection and feeding device

Abstract

The utility model relates to circuit board detection technical field, concretely is a kind of circuit board detection feeding device, including rack, the table of rack is equipped with lifting unit, transfer mechanism and guiding enclosure unit and installs;The lifting end of lifting unit is fixed with bearing plate, and multiple adjusting grooves that cooperate with guiding enclosure unit are set up on bearing plate, adjusting groove is long strip shape;Guiding enclosure unit includes multiple mobile adjusting seat that is set on the table of rack and is located below bearing plate, and the top of mobile adjusting seat is fixed with the guide rod that is set with corresponding adjusting groove, the circuit board detection feeding device, through the unit through structure association and control logic cooperation, guiding enclosure unit provides limit reference for lifting, lifting unit links material taking and target station height;Transfer mechanism guarantees suction cup positioning precision, and suction cup unit can be adapted to different circuit board, protective chamber protects vacuum pump, and control system unified scheduling realizes automated high-precision operation, improves efficiency and reduces damage risk.

Description

Technical Field

[0001] This utility model relates to the field of circuit board testing technology, specifically a circuit board testing and feeding device. Background Technology

[0002] In the circuit board production and testing process, centralized material loading is a key link connecting production and testing, which directly affects testing efficiency and product yield.

[0003] Because the circuit board material is thin and light, and the center of gravity is easily shifted when stacked, there is a lack of adaptable limiting structure when lifting. During the lifting or lowering process, the circuit board is prone to sliding or tilting, which can cause damage to the circuit board surface and affect subsequent adsorption and picking. In addition, the suction cup installation position of traditional suction cup picking components is fixed, and it is impossible to flexibly adjust the adsorption point according to the size and shape of the circuit board. At the same time, the fixed point is difficult to avoid the core functional components on the surface of the circuit board, which can easily cause damage to the components due to adsorption pressure. Utility Model Content

[0004] To achieve the above objectives, this utility model provides the following technical solution: a circuit board inspection and loading device, comprising a frame, a lifting unit, a transfer mechanism, and a guide enclosure unit mounted on the frame's table surface; a support plate is fixed to the lifting end of the lifting unit, and multiple adjustment slots cooperating with the guide enclosure unit are provided on the support plate, the adjustment slots being elongated; the guide enclosure unit includes multiple movable adjustment seats disposed on the frame table surface and located below the support plate, a guide rod is fixed to the top of the movable adjustment seat and passes through the corresponding adjustment slot, a translation group is mounted on the guide rod, and a limiting plate passing through the adjustment slot is fixed to the translation end of the translation group; the transfer mechanism includes a bidirectional movement group, a suction cup frame plate is fixed to the vertical movement end of the bidirectional movement group, multiple sets of sliding slots are provided on the suction cup frame plate, multiple suction cup legs are slidably locked and fixed in the sliding slots, and vacuum suction cups are installed at the bottom of the suction cup legs.

[0005] Furthermore, the movable adjustment seat includes an L-shaped sliding block disposed on the frame. The frame has a rectangular limiting groove, in which the sliding block slides. A waist hole is formed on the cross-section of the sliding block. The sliding block is locked and fixed to the frame table surface by screws passing through the waist hole. The guide rod is inserted into the top of the sliding block and locked and fixed by screws.

[0006] Furthermore, the translation assembly includes two sets of adjusting rods passing through the guide rod. One end of the adjusting rod is fixed to the corresponding limiting plate, and a nut is threaded onto the outer side of the guide rod. There is also a pad with an arc end face on the guide rod located inside the nut. The pad is used to press and tighten the adjusting rod.

[0007] Furthermore, the bidirectional moving assembly includes a bracket fixed on the machine frame table, a lead screw slide table mounted on the bracket, a sliding seat that slides with the bracket mounted on the moving end of the lead screw slide table, a sliding frame slidably connected to the sliding seat via a guide rail, and a cylinder for driving the sliding frame to rise and fall fixedly mounted. The suction cup frame plate is locked and fixed to the bottom of the sliding frame with screws.

[0008] Furthermore, the suction cup leg includes a cylindrical column, which is slidably connected to a sliding groove, and has an outer ring block that abuts against the bottom of the suction cup frame plate, and a nut that is threadedly connected to the outer side and abuts against the top of the suction cup frame plate. A connecting block is installed at the bottom of the cylindrical column, and the vacuum suction cup is installed at the bottom of the corresponding connecting block.

[0009] Furthermore, the lifting unit is a screw jack, and a lifting block is installed on the lifting end of the screw jack, with the bearing plate fixed on the lifting block.

[0010] Furthermore, a reinforcing plate is fixed between the bottom of the bearing plate and the lifting block.

[0011] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0012] This circuit board inspection and loading device, through the structural association and control logic of each unit, provides a limit reference for lifting and lowering, and the lifting unit connects the material picking and the target station height; the transfer mechanism ensures the positioning accuracy of the suction cup, the suction cup unit can be adapted to different circuit boards, the protective chamber protects the vacuum pump, and the control system uniformly schedules to achieve automated high-precision operation, improves efficiency and reduces the risk of damage. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0014] Figure 2 This is a three-dimensional schematic diagram of the guide rod connection structure in this utility model;

[0015] Figure 3 This is a three-dimensional schematic diagram of the sliding frame connection structure of this utility model;

[0016] Figure 4 This is the schematic diagram of the suction cup holder structure of this utility model.

[0017] The figures are labeled as follows: 1. Frame; 2. Bearing plate; 3. Lifting unit; 4. Lifting block; 5. Transfer mechanism; 6. Sliding seat; 7. Guide rail; 8. Cylinder; 9. Sliding frame; 10. Protective chamber; 11. Suction cup frame plate; 12. Vacuum suction cup; 13. Suction cup leg; 14. Ring block; 15. Connecting block; 16. Sliding groove; 17. Adjusting groove; 18. Guide rod; 19. Adjusting rod; 20. Limiting plate; 21. Limiting groove; 22. Sliding block. Detailed Implementation

[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0019] Please see Figure 1-4 This embodiment of a circuit board inspection and loading device includes a frame 1. A lifting unit 3, a transfer mechanism 5, and a guide enclosure unit are mounted on the platform of the frame 1. The lifting unit 3 is a screw jack, with a lifting block 4 mounted on its lifting end. A bearing plate 2 is fixed on the lifting block 4, and a reinforcing plate is fixed between the bottom of the bearing plate 2 and the lifting block 4. The bearing plate 2 has three sets of elongated adjustment slots 17 that cooperate with the guide enclosure unit. The screw jack provides stable and precise lifting, preventing violent shaking of the circuit board during lifting and reducing surface damage. The reinforcing plate enhances the structural strength of the bearing plate, preventing long-term deformation under load and extending its service life. The adjustment slots provide adjustment space for the guide enclosure unit, enabling the limiting structure to adapt to circuit boards of different sizes.

[0020] To limit the circuit board positioning, the guide enclosure unit includes three sets of rectangular limiting grooves 21 located on the frame 1 platform and below the support plate. Each limiting groove 21 corresponds to one of the three sets of adjustment grooves 17 on the support plate. Threaded holes are provided in the limiting grooves 21, and L-shaped sliding blocks 22 are slidably fitted within them. A waist hole is provided on the horizontal section of the sliding block 22, and the sliding block 22 is threadedly connected to the threaded hole in the limiting groove by a screw passing through the waist hole. A guide rod 18 is fixed to the top of the vertical section of the sliding block 22, corresponding to the adjustment groove 17. The guide rod 18 is locked to the sliding block 22 by screws. Two adjustment rods 19 slide along the guide rod 18. A nut is threaded onto the outer side of guide rod 18. Inside the nut, there is a pad with an arc-shaped end face on guide rod 18. The pad is used to press and tighten adjustment rod 19. A limiting plate 20 that passes through the adjustment groove is fixed between the inward ends of the two adjustment rods on the same guide rod 18. The three limiting plates 20 are arranged in a triangle to improve the limiting of the circuit board. The bottom of the limiting plate 20 is located above the adjustment groove of the bearing plate 2. The elongated adjustment groove 17 provides space for the guide rod 18 and the limiting plate to move when adjusted with sliding block 22. At the same time, when the bearing plate moves up and down, the limiting plate will also be located in the adjustment groove and will not contact the inner side of the bearing plate, so as not to obstruct the movement of the bearing plate and the limiting plate.

[0021] The sliding block 22 can slide along the limiting groove 21. The guide rod 18 can be coarsely adjusted by locking it through the waist hole and the threaded hole to adapt to the limiting requirements of circuit boards of different sizes. The guide rod 18 passes through the adjustment groove 17 to form an auxiliary guide structure when the support plate 2 is raised and lowered. This ensures the connection and coordination between the limiting structure and the support plate 2 and avoids the support plate from shifting during the raising and lowering. The adjusting rod 19 can be manually and precisely adjusted to adjust the horizontal position of the limiting plate. It can be locked with the corresponding adjusting rod by locking it with a nut to lock and fix the adjusting rod. The operation is convenient and the position is stable after adjustment. The limiting plate 20 fits against the edge of the circuit board, increasing the contact area while dispersing the limiting pressure and improving the limiting effect. This effectively prevents the circuit board from sliding or tilting when it is raised and lowered.

[0022] like Figure 1 and 3 The transfer mechanism 5 includes a bracket fixed to the table surface of the frame 1. A lead screw slide is mounted on the bracket, and a sliding seat 6 that slides with the bracket is mounted on the moving end of the lead screw slide. A sliding frame 9 is slidably connected to the sliding seat 6 via two sets of guide rails 7. A cylinder 8 that drives the sliding frame 9 to rise and fall is also fixedly mounted on the sliding seat 6. The bottom of the sliding frame 9 forms a protective chamber 10 for placing a vacuum pump. A suction cup unit is mounted on the bottom of the sliding frame 9, and the suction cup unit is connected to the vacuum pump via an air pipe. The lead screw slide enables precise horizontal movement, while the cylinder 8 drives vertical lifting and falling. With the guidance of the guide rails of the sliding seat and the sliding frame, the suction cup unit achieves precise three-dimensional spatial positioning, ensuring accurate material picking and loading, improving loading efficiency. The protective chamber 10 provides dust and collision protection for the vacuum pump, extending its service life.

[0023] like Figure 4 The suction cup unit includes a suction cup frame plate 11 fixed to the bottom of the sliding frame 9 by screws. The suction cup frame plate 11 is rectangular and has a pair of parallel sliding grooves 16 along its length. Suction cup legs 13 are slidably fitted and locked in the sliding grooves 16. Each suction cup leg 13 includes at least two cylindrical columns slidably connected in the corresponding sliding grooves 16. The top of the cylindrical column is connected to the vacuum pump. An annular block 14 is formed on the outer side of the cylindrical column, which abuts against the bottom of the suction cup frame plate 11. A locking nut is threaded on the outer side and fits against the top of the suction cup frame plate 11. The suction cup legs are fixed by the clamping action of the annular block and the nut. A connecting block 15 is fixedly connected to the bottom of the cylindrical column. A sealing ring is provided on the mating surface between the connecting block and the cylindrical column. A vent hole is provided inside the connecting block 15. A vacuum suction cup 12 is installed at the bottom and is connected to the cylindrical column through the vent hole of the connecting block 15.

[0024] The suction cup legs 13 can slide along the sliding groove 16 and be locked and fixed by the ring block 14 and the nut, so as to realize the flexible adjustment of the distribution position of the vacuum suction cups 12, adapt to circuit boards of different sizes and shapes, and at the same time avoid core functional components to prevent the adsorption pressure from damaging the components.

[0025] The working principle of the above embodiments is as follows:

[0026] Before starting the equipment, the limit adjustment needs to be completed through the guide enclosure unit according to the size and shape of the circuit board to provide a positioning reference for the circuit board. The adjustment is divided into two steps: coarse adjustment and fine adjustment.

[0027] Push the L-shaped sliding block along the limiting groove to move the guide rod to the size of the circuit board. Then, tighten the screw by passing it through the waist hole of the sliding block and the threaded hole of the limiting groove to complete the coarse adjustment and ensure that the distribution of the guide rod matches the outline of the circuit board.

[0028] By pushing the adjusting rod, the limiting plate is moved to fit the edge of the circuit board. The locking nut then abuts against the adjusting rod to lock and fix the plate. The limiting plate can increase the contact area, distribute pressure, and prevent scratches.

[0029] After adjustment, the guide rod passes through the adjustment groove of the bearing plate, serving both as a guide for the lifting and lowering of the bearing plate and ensuring that the limiting plate is within the groove to avoid interference. This achieves coordination between the limiting and bearing structures. The circuit board is placed on the bearing plate, which is connected to the screw jack via the lifting block. The bottom reinforcing plate enhances strength and prevents deformation. The screw jack ensures the stability and accuracy of the lifting. The control system starts the screw jack, driving the lifting block and bearing plate to rise and fall. The screw jack provides smooth and precise lifting, preventing damage to the circuit board from shaking. The guide rod provides auxiliary guidance, limiting the bearing plate's offset and ensuring that the circuit board does not slide or tilt. Once the bearing plate reaches the preset height or target position, the jack stops. Simultaneously, before operation, the suction cup legs are adjusted, and the suction cup leg cylinders slide along the... The sliding groove allows the vacuum suction cup to avoid the core components and be placed in a stable adsorption zone. It is clamped and fixed by the ring block and locking nut to achieve positional adaptation. The screw slide moves the sliding seat horizontally, so that the suction cup unit accurately reaches the material picking position directly above the circuit board, ensuring positioning accuracy. The cylinder drives the sliding frame to descend along the guide rail, so that the suction cup adheres to the circuit board. The vacuum pump starts to create negative pressure on the suction cup to adsorb the circuit board. After adsorption is stable, the cylinder drives the sliding frame to rise and reset, completing the material picking. The guide rail ensures smooth lifting and lowering. The screw slide moves the suction cup unit with the circuit board adsorbed to the target work position. The cylinder drives the sliding frame to descend and release the material. The vacuum pump stops working to release adsorption. The cylinder resets, and the screw slide drives the sliding seat back to the initial position, completing the transfer cycle.

[0030] The entire workflow is now complete, and anything not described in detail in this specification is existing technology known to those skilled in the art.

[0031] It should be noted that in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0032] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A circuit board inspection and feeding device, characterized in that: Includes a frame (1), on which a lifting unit (3), a transfer mechanism (5) and a guide enclosure unit are installed; The lifting end of the lifting unit (3) is fixed with a bearing plate (2), and the bearing plate (2) is provided with multiple adjustment grooves (17) that cooperate with the guide enclosure unit. The adjustment grooves (17) are long strips. The guide enclosure unit includes multiple movable adjustment seats set on the table of the frame (1) and located below the support plate (2). The top of the movable adjustment seat is fixed with a guide rod (18) that passes through the corresponding adjustment groove (17). A translation group is installed on the guide rod (18), and a limiting plate (20) that passes through the adjustment groove (17) is fixed at the translation end of the translation group. The transfer mechanism (5) includes a bidirectional moving group. The vertical moving end of the bidirectional moving group is fixed with a suction cup frame plate (11). Multiple sets of sliding grooves (16) are opened on the suction cup frame plate (11). Multiple suction cup legs (13) are slidably locked in the sliding grooves (16). Vacuum suction cups (12) are installed at the bottom of the suction cup legs (13).

2. The circuit board inspection and feeding device according to claim 1, characterized in that: The movable adjustment seat includes an L-shaped sliding block (22) set on the frame (1). The frame (1) has a rectangular limiting groove (21). The sliding block (22) slides in the limiting groove (21). The cross-section of the sliding block (22) has a waist hole. The sliding block (22) is locked and fixed to the table surface of the frame (1) by screws passing through the waist hole. The guide rod (18) is inserted into the top of the sliding block (22) and locked and fixed by screws.

3. The circuit board inspection and feeding device according to claim 1, characterized in that: The translation group includes two sets of adjusting rods (19) passing through the guide rod (18). One end of the adjusting rod (19) is fixed to the corresponding limiting plate (20), and the outer side of the guide rod (18) is threaded with a nut. There is also a pad with an arc end face on the guide rod (18) located inside the nut. The pad is used to press and tighten the adjusting rod (19).

4. The circuit board inspection and feeding device according to claim 1, characterized in that: The bidirectional moving assembly includes a bracket fixed on the table of the frame (1), a screw slide is installed on the bracket, a sliding seat (6) that slides with the bracket is installed on the moving end of the screw slide, a sliding frame (9) is slidably connected to the sliding seat (6) via a guide rail (7), and a cylinder (8) that drives the sliding frame (9) to rise and fall is fixedly installed. The suction cup plate (11) is fixedly locked to the bottom of the sliding frame (9) by screws.

5. The circuit board inspection and feeding device according to claim 4, characterized in that: The suction cup leg (13) includes a cylindrical column, which is slidably connected to the sliding groove (16), and has an annular block (14) formed on the outside that abuts against the bottom of the suction cup frame plate (11), and a nut threadedly connected on the outside that abuts against the top of the suction cup frame plate (11). A connecting block (15) is installed at the bottom of the cylindrical column, and the vacuum suction cup (12) is installed at the bottom of the corresponding connecting block (15).

6. The circuit board inspection and feeding device according to claim 1, characterized in that: The lifting unit (3) is a screw jack, and the lifting end of the screw jack is equipped with a lifting block (4), and the bearing plate (2) is fixed on the lifting block (4).

7. The circuit board inspection and feeding device according to claim 6, characterized in that: A reinforcing plate is fixed between the bottom of the bearing plate (2) and the lifting block (4).

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