PCB image measuring instrument

Abstract

The utility model relates to the technical field of PCB (Printed Circuit Board) measurement, and discloses a PCB image measuring instrument, which comprises a base, two sides of the top end of the base are respectively connected with a supporting plate in a sliding manner, the top end of each supporting plate is provided with a measuring assembly for carrying out image measurement on a PCB, the middle parts of the two sides of the base are respectively connected with a mounting plate in a clamping manner, and each mounting plate is provided with a clamping groove. Blocking covers are fixedly arranged on the two sides of the base, baffles are welded to the interiors of the blocking covers, and limiting rods for fixing the mounting plate are arranged on the baffles in a sliding mode. An adsorption plate is adsorbed through an electromagnet, a base plate can compress a spring, a limiting rod can be driven to contract, vertical mounting of a mounting plate is facilitated, a base and a baffle can limit the mounting plate in the horizontal direction, horizontal displacement of the mounting plate can be prevented, the electromagnet is controlled to be powered off to lose magnetism, and the limiting rod can be pushed into a limiting groove through the spring; and the mounting plate can be quickly fixed on the base.

Description

Technical Field

[0001] The utility model relates to the technical field of PCB board measurement, in particular to a PCB board image measuring instrument. Background Art

[0002] In the PCB industry, image measuring instruments are mainly used to measure the shape of high-density PCBs. As customers' requirements for PCB appearance increase, image measuring instruments are increasingly used in PCB inspection. In addition, they can also be used to measure PCB films. Through the data provided by the engineering, the two-dimensional element is used to measure the distance between any two PCB films, thereby obtaining a data list for analysis and assisting production.

[0003] Its application number "202022561486.X" discloses a "special image measuring instrument for film processing of PCB circuit boards that is easy to disassemble and assemble", which "comprises a base, a workbench, a guide arm, and a measuring arm. The workbench is located on the base, the guide arm is located on the workbench, and the measuring arm is located on the guide arm. First fixed blocks are symmetrically provided on the opposite surfaces of the workbench, and mounting boxes are provided on the opposite surfaces of the base; the workbench is assembled with the base and the workbench is installed on the surface of the base, the end of the first fixed block is embedded in the inside of the mounting box, and the clamping column is embedded in the inside of the end of the first fixed block. The first fixed block is limited and fixed, and the assembly, fastening and connection method of the workbench and the base are simple, which is convenient for disassembly and assembly."

[0004] However, the above method still has the following defects: the workbench and the base can be assembled through the fixing block and the mounting box, but the rotational motion needs to be converted into linear motion by rotating the screw through the rotating ring, which is inconvenient to operate and is relatively labor-intensive and time-consuming. After being fixed, it will hinder the workbench from sliding on the base, reducing the scanning range of the PCB board and easily causing scanning blind spots. Utility Model Content

[0005] In view of the shortcomings of the existing technology, the utility model provides a PCB board image measuring instrument, which has the advantages of convenient and fast assembly, saving manpower and time, and solving the problems raised by the above background technology.

[0006] The utility model provides the following technical solution: a PCB board image measuring instrument, comprising a base, both sides of the top end of the base are slidably connected to support plates, the top end of the support plate is provided with a measuring assembly, the middle parts of both sides of the base are snap-connected with mounting plates, both sides of the base are fixed with baffles, the inside of the baffle is welded with a baffle, the baffle is slidably provided with a limit rod for fixing the mounting plate, one end of the limit rod is fixedly provided with a pad, one side of the pad is snap-fitted with two springs, the middle part of one side of the pad is fixedly provided with an adsorption plate, the inner wall of the baffle is fixedly provided with an electromagnet corresponding to the position of the adsorption plate, and the top of the mounting plate is provided with a driving assembly.

[0007] As an optimal technical solution of the present invention, grooves are provided in the middle of both sides of the base, the bottom of the mounting plate is engaged with the inside of the groove, a limiting groove is provided at the bottom of one side of the mounting plate, the limiting rod is engaged with the inside of the limiting groove, a rod groove is provided in the middle of the baffle, and the limiting rod is slidably connected to the rod groove.

[0008] As a preferred technical solution of the present utility model, the measuring component includes a chassis 1, the two sides of the bottom end of the chassis 1 are respectively fixedly connected to the top ends of the two support plates, the interior of the chassis 1 is rotatably connected to a screw rod 1, the screw rod 1 is threadedly connected to a slide 1, the slide 1 is slidably connected to the interior of the chassis 1, the bottom end of the slide 1 is fixedly provided with a positioning plate, the bottom end of the positioning plate is fixedly installed with an image measurement head, and a motor 1 for driving the screw rod 1 to rotate is installed on one side of the chassis 1.

[0009] As a preferred technical solution of the present invention, a cover 1 is fixedly installed on one side of the chassis 1, a slide 1 is provided at the bottom end of the chassis 1, and the bottom of the slide 1 is slidably connected to the slide 1.

[0010] As an optimal technical solution of the present invention, ear plates are fixed on both sides of the baffle, one side of the ear plate is fixedly connected to the base, the inner wall of the baffle and one side of the baffle are fixed with a clamping column, and one end of the spring is engaged with the clamping column.

[0011] As an optimal technical solution of the present invention, a bottom plate is fixedly provided at the bottom end of the base, a table top is fixedly provided at the top end of the base, sliding grooves are provided on both sides of the top end of the base, and the bottom of the support plate is slidably connected to the inside of the sliding groove.

[0012] As an optimal technical solution of the present utility model, the driving assembly includes a chassis 2, the two sides of the bottom end of the chassis 2 are respectively fixedly connected to the top ends of the two mounting plates, the interior of the chassis 2 is rotatably connected to a screw rod 2, the screw rod 2 is threadedly connected to a slide 2, the slide 2 is slidably connected to the interior of the chassis 2, the bottom end of the slide 2 is fixedly connected to the middle part of the top end of the chassis 1, and a motor 2 for driving the screw rod 2 to rotate is installed on one side of the chassis 2.

[0013] As a preferred technical solution of the present invention, a second cover is fixedly installed on one side of the second chassis, a second slide is provided at the bottom end of the second chassis, and the bottom of the second slide is slidably connected to the second slide.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] 1. The adsorption plate is adsorbed by the electromagnet, which can compress the spring of the pad and drive the limit rod to retract, making it easy to install the mounting plate vertically. The base and baffle can limit the horizontal position of the mounting plate to prevent the horizontal displacement of the mounting plate. By controlling the power off of the electromagnet to make it lose its magnetism, the spring can push the limit rod into the limit slot, and the mounting plate can be quickly fixed on the base, which is convenient for operation and saves manpower and time.

[0016] 2. The measuring component can be used to process images of the PCB by moving it, and the driving component can be used to drive the measuring component to move. When measuring large-sized PCBs, the scanning range is increased and it is less likely to produce a scanning blind area. The support plate can support the measuring component during its movement to maintain its stability. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural diagram of the utility model;

[0018] Figure 2 This is a schematic diagram of the explosion structure of the utility model;

[0019] Figure 3 This is a schematic diagram of the structure of the shield of the utility model;

[0020] Figure 4 This is a schematic diagram of the explosion structure of the shield of the utility model;

[0021] Figure 5 This is a schematic diagram of the structure of the measurement component of the utility model;

[0022] Figure 6 This is a schematic diagram of the structure of the drive assembly of the utility model.

[0023] In the figure: 1. base; 2. groove; 3. mounting plate; 4. baffle; 5. ear plate; 6. baffle; 7. rod groove; 8. limit rod; 9. pad; 10. spring; 11. adsorption plate; 12. electromagnet; 13. clamping column; 14. slideway; 15. support plate; 16. measuring component; 1601. chassis 1; 1602. screw rod 1; 1603. slideway 1; 1604. positioning plate; 1605. image measuring head; 1606. motor 1; 1607. slideway 1; 1608. baffle cover 1; 17. drive component; 1701. chassis 2; 1702. screw rod 2; 1703. slideway 2; 1704. motor 2; 1705. slideway 2; 1706. baffle cover 2; 18. limit groove; 19. bottom plate; 20. table top. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0025] See also Figures 1 to 6 , PCB board image measuring instrument, including a base 1, both sides of the top of the base 1 are slidably connected with a support plate 15, the top of the support plate 15 is provided with a measuring component 16 for image measurement of the PCB board, and the PCB board can be imaged by moving through the measuring component 16, the middle of both sides of the base 1 are snap-connected with a mounting plate 3, both sides of the base 1 are fixed with a baffle 4 by screws, and a baffle 6 is welded inside the baffle 4. The horizontal direction of the mounting plate 3 can be limited by the base 1 and the baffle 6 to prevent the horizontal displacement of the mounting plate 3. The baffle 6 is slidably provided with a limit rod 8 for fixing the mounting plate 3, and one end of the limit rod 8 is fixedly provided There is a pad 9, one side of the pad 9 is engaged with two springs 10, the middle part of one side of the pad 9 is fixed with an adsorption plate 11, the inner wall of the baffle 4 is fixed with an electromagnet 12 corresponding to the position of the adsorption plate 11, and the adsorption plate 11 is adsorbed by the electromagnet 12, which can make the pad 9 compress the spring 10, and drive the limit rod 8 to retract, so as to facilitate the vertical installation of the mounting plate 3. By controlling the power off of the electromagnet 12 to make it lose its magnetism, the spring 10 can push the limit rod 8 into the limit groove 18, so as to quickly fix the mounting plate 3 and prevent the mounting plate 3 from vertical displacement. The top of the mounting plate 3 is provided with a driving assembly 17 for driving the measuring assembly 16 to move;

[0026] In this embodiment, preferably, the measuring component 16 includes a chassis 1601, and the two sides of the bottom end of the chassis 1601 are fixedly connected to the top ends of the two support plates 15 respectively. The interior of the chassis 1601 is rotatably connected to a screw rod 1602, and the screw rod 1602 is threadedly connected to a slide 1603. The slide 1603 is slidably connected to the interior of the chassis 1601. The bottom end of the slide 1603 is fixed with a positioning plate 1604, and the bottom end of the positioning plate 1604 is fixed with an image measuring head 1605 by screws. Head 1605 can perform image measurement on PCB boards. A motor 1606 is installed on one side of chassis 1601 to drive screw 1602 to rotate. Motor 1606 drives screw 1602, which can drive slide 1603 to move horizontally, thereby driving image measurement head 1605 to move horizontally. A cover 1608 is fixed to one side of chassis 1601 by screws. A slide 1607 is provided at the bottom of chassis 1601. The bottom of slide 1603 is slidably connected to slide 1607.

[0027] In this embodiment, preferably, the drive assembly 17 includes a chassis 2 1701, the two sides of the bottom end of the chassis 2 1701 are respectively fixedly connected to the top ends of the two mounting plates 3, the interior of the chassis 2 1701 is rotatably connected to a screw rod 2 1702, the screw rod 2 1702 is threadedly connected to a slide 2 1703, the slide 2 1703 is slidably connected to the interior of the chassis 2 1701, the bottom end of the slide 2 1703 is fixedly connected to the middle of the top end of the chassis 1 1601, and a drive is installed on one side of the chassis 2 1701. A second motor 1704 rotates a second screw rod 1702. A second cover 1706 is fixed to one side of a second chassis 1701 via screws. A second slideway 1705 is provided at the bottom of the second chassis 1701. The bottom of the second slide 1703 is slidably connected to the second slideway 1705. The second motor 1704 drives the second screw rod 1702, which can drive the second slide 1703 to move horizontally. The second slide 1703 can drive the first chassis 1601 to move, thereby increasing the scanning range of the image measurement head 1605.

[0028] In this embodiment, preferably, a groove 2 is provided in the middle of both sides of the base 1, and the bottom of the mounting plate 3 is engaged with the inside of the groove 2. The mounting plate 3 can be limited by the groove 2 and the baffle 6 to prevent the horizontal displacement of the mounting plate 3. A limiting groove 18 is provided at the bottom of one side of the mounting plate 3, and the limiting rod 8 is engaged with the inside of the limiting groove 18. By inserting the limiting rod 8 into the inside of the limiting groove 18, the mounting plate 3 can be limited to prevent its vertical displacement. A rod groove 7 is provided in the middle of the baffle 6, and the limiting rod 8 is slidably connected to the rod groove 7. The horizontal movement of the limiting rod 8 can be ensured by the rod groove 7.

[0029] In this embodiment, preferably, ear plates 5 are fixed on both sides of the baffle 4, and one side of the ear plate 5 is fixedly connected to the base 1 by screws, and the baffle 4 can be fixed by the ear plate 5. The inner wall of the baffle 4 and one side of the baffle 6 are fixed with a clamping column 13, and one end of the spring 10 is engaged with the clamping column 13. The spring 10 can be limited by the clamping column 13 to prevent the spring 10 from falling off. The bottom end of the base 1 is fixed with a bottom plate 19, and the top of the base 1 is fixed with a table 20. Slide grooves 14 are provided on both sides of the top of the base 1, and the bottom of the support plate 15 is slidably connected to the inside of the slide groove 14. The support plate 15 can be guided and supported by the slide groove 14, and the support plate 15 can maintain the stability of the chassis 1601.

[0030] When in use, first fix the image measuring head 1605 of the measuring assembly 16 to the bottom end of the slide 1603 by screws, and then control the electromagnet 12 to be energized and filled with magnetism. The electromagnet 12 can resist the supporting force of the spring 10 by magnetic force, and can adsorb the adsorption plate 11. The pad 9 can compress the spring 10, and the limit rod 8 can be retracted into the rod groove 7. Then the bottom of the mounting plate 3 is placed in the groove 2, and the bottom of the support plate 15 is placed in the slide groove 14. The groove 2 and the baffle 6 can limit the horizontal direction of the mounting plate 3 to prevent the mounting plate 3 from horizontal displacement. Thereafter, the electromagnet 12 is controlled to be de-energized and lose its magnetism. The spring 10 can push the pad 9 during the resetting process, and the limit rod 8 can be pushed into the limit groove 18 at the bottom of the mounting plate 3 to prevent the mounting plate 3 from vertical displacement, and the mounting plate 3 can be quickly installed.

[0031] When it is necessary to measure a large-sized PCB board, first place the PCB board on the table 20 and make it located at the bottom end of the image measuring head 1605. Then, the image measuring head 1605 can be used to perform image measurement on the PCB board. The staff drives the screw rod 1602 through the motor 1606 of the measuring component 16. The screw rod 1602 converts the rotational motion into the linear motion of the slide 1603. The slide 1603 can drive the image measuring head 1605 to move horizontally. The screw rod 2 1702 is driven by the motor 2 1704. The screw rod 2 1702 can drive the slide 2 1703 to move horizontally. The slide 2 1703 can drive the chassis 1601 to move, thereby increasing the scanning range of the image measuring head 1605 and enabling two-dimensional scanning measurement of large-sized PCB boards. During this process, the support plate 15 can support the chassis 1601 during its movement to maintain its stability.

[0032] Although the 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 variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A PCB board image measuring instrument, comprising a base (1), characterized in that: Both sides of the top of the base (1) are slidably connected to support plates (15), and the top of the support plate (15) is provided with a measuring component (16). The middle of both sides of the base (1) is snap-connected with a mounting plate (3). Both sides of the base (1) are fixed with a baffle (4), and a baffle (6) is welded inside the baffle (4). The baffle (6) is slidably provided with a limit rod (8), and one end of the limit rod (8) is fixed with a pad (9), and one side of the pad (9) is snap-connected with two springs (10). An adsorption plate (11) is fixed in the middle of one side of the pad (9), and an electromagnet (12) corresponding to the position of the adsorption plate (11) is fixed on the inner wall of the baffle (4). The top of the mounting plate (3) is provided with a driving component (17).

2. The PCB image measuring instrument according to claim 1, characterized in that: A groove (2) is provided in the middle of both sides of the base (1), the bottom of the mounting plate (3) is snap-connected with the inside of the groove (2), a limiting groove (18) is provided at the bottom of one side of the mounting plate (3), the limiting rod (8) is snap-connected with the inside of the limiting groove (18), a rod groove (7) is provided in the middle of the baffle (6), and the limiting rod (8) is slidably connected with the rod groove (7).

3. The PCB board image measuring instrument according to claim 1, characterized in that: The measuring assembly (16) comprises a chassis (1601), the two sides of the bottom end of the chassis (1601) are respectively fixedly connected to the top ends of the two support plates (15), the interior of the chassis (1601) is rotatably connected to a screw rod (1602), the screw rod (1602) is threadedly connected to a slide (1603), the slide (1603) is slidably connected to the interior of the chassis (1601), the bottom end of the slide (1603) is fixedly provided with a positioning plate (1604), the bottom end of the positioning plate (1604) is fixedly installed with an image measuring head (1605), and one side of the chassis (1601) is installed with a motor (1606) for driving the screw rod (1602) to rotate.

4. The PCB image measuring instrument according to claim 3, characterized in that: A blocking cover (1608) is fixedly installed on one side of the chassis (1601), a slideway (1607) is provided at the bottom end of the chassis (1601), and the bottom of the slide (1603) is slidably connected to the slideway (1607).

5. The PCB board image measuring instrument according to claim 1, characterized in that: Ear plates (5) are fixedly provided on both sides of the shield (4), one side of the ear plates (5) is fixedly connected to the base (1), and a clamping column (13) is fixedly provided on the inner wall of the shield (4) and one side of the baffle (6), and one end of the spring (10) is clamped and connected to the clamping column (13).

6. The PCB board image measuring instrument according to claim 1, characterized in that: A bottom plate (19) is fixedly provided at the bottom end of the base (1), a table top (20) is fixedly provided at the top end of the base (1), and sliding grooves (14) are provided on both sides of the top end of the base (1), and the bottom of the support plate (15) is slidably connected to the inside of the sliding groove (14).

7. The PCB image measuring instrument according to claim 3, characterized in that: The driving assembly (17) includes a second chassis (1701), the two sides of the bottom end of the second chassis (1701) are fixedly connected to the top ends of the two mounting plates (3), the interior of the second chassis (1701) is rotatably connected to a second screw rod (1702), the second screw rod (1702) is threadedly connected to a second slide (1703), the second slide (1703) is slidably connected to the interior of the second chassis (1701), the bottom end of the second slide (1703) is fixedly connected to the middle of the top end of the first chassis (1601), and a second motor (1704) for driving the second screw rod (1702) to rotate is installed on one side of the second chassis (1701).

8. The PCB image measuring instrument according to claim 7, characterized in that: A second blocking cover (1706) is fixedly installed on one side of the second chassis (1701), a second slideway (1705) is provided at the bottom end of the second chassis (1701), and the bottom of the second slideway (1703) is slidably connected to the second slideway (1705).

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