Static bending force detection device of circuit board
Technical Field
The utility model relates to the technical field of circuit boards, in particular to a static bending force detection device of a circuit board.
Background
The PCB is a short circuit board. Conductive patterns formed by making printed circuits, printed components, or a combination of both, on an insulating material in a predetermined design are commonly referred to as printed circuits. And a conductive pattern on the insulating substrate that provides electrical connection between the components is called a printed wiring. The finished board of the printed circuit or printed circuit is then referred to as a printed circuit board, also known as a printed circuit board or printed circuit board.
When a circuit board is processed, a bending force detection device is used for detecting the circuit board, but the existing bending force detection device cannot simultaneously detect the bending forces of a plurality of circuit boards and cannot detect the bending forces of circuit boards with different sizes, and in addition, the height of the device is not convenient to adjust, so that in order to correct the defects, a static bending force detection device for the circuit board is provided.
SUMMERY OF THE UTILITY MODEL
The utility model provides a static bending force detection device of a circuit board, which aims to overcome the defects that the prior art can not simultaneously detect the bending force of a plurality of circuit boards and can not detect the bending force of circuit boards with different sizes, and is inconvenient to adjust the height of the device. The static bending force detection device of the circuit board has the advantages that the bending force detection can be simultaneously performed on a plurality of circuit boards, the bending force detection can be performed on the circuit boards with different sizes, and in addition, the height of the device can be conveniently adjusted.
In order to achieve the purpose, the utility model provides the following technical scheme: a static bending force detection device of a circuit board comprises a placing plate, an adjusting bin is arranged below the placing plate, an adjusting mechanism is arranged in the adjusting bin, the top of the placing plate is fixedly connected with an L-shaped plate, the bottom of the L-shaped plate is fixedly connected with a first hydraulic cylinder, a first fixing plate is fixedly connected onto an output shaft of the first hydraulic cylinder, the bottom of the first fixing plate is fixedly connected with three vertical rods, the bottom of each vertical rod is fixedly connected with a pressing block, the top of the placing plate is provided with two second fixing plates, a third fixing plate is fixedly connected onto the side, close to the inlet, of each second fixing plate, the top of each third fixing plate is fixedly connected with three second hydraulic cylinders, output shafts of the three second hydraulic cylinders penetrate through the third fixing plate and are fixedly connected with first clamping blocks, and second clamping blocks are arranged below the first clamping blocks, the second clamping block is fixedly connected to the side wall of the second fixing plate, and a moving mechanism is arranged between the adjusting bin and the placing plate.
Preferably, the bottom of the pressing block is fixedly connected with a soft pad, and the soft pad is of a rubber pad structure.
Preferably, the anti-slip pads are arranged on the sides, close to the three first clamping blocks, of the second clamping blocks, and the anti-slip pads are of rubber pad structures.
Preferably, two of the second fixing plates are symmetrically disposed about a central axis of the placing plate.
Preferably, the moving mechanism includes two limiting plates, two limiting plate fixed connection is in the bottom of placing the board, and two be equipped with two movable blocks between the limiting plate, place and seted up the rectangle mouth on the board, the rectangle mouth is passed at the top of movable block to fixed connection is in the bottom of second fixed plate, just the through-hole has been seted up on the movable block, it has the horizontal pole to pass in the through-hole, the both ends fixed connection of horizontal pole is on the lateral wall of two limiting plates, two fixedly connected with spring between movable block and the limiting plate, the first motor of bottom fixedly connected with of placing the board, fixedly connected with reel on the output shaft of first motor, the winding has two wire rope on the reel, two wire rope's opposite side difference fixed connection is in one side of two movable blocks.
Preferably, adjustment mechanism includes the regulating plate, the regulating plate is located the surge bin, two pairs of bracing pieces of top fixedly connected with of regulating plate, two pairs the top of surge bin is run through on the top of bracing piece to fixed connection is in the bottom of placing the board, fixedly connected with second motor on the top inner wall of surge bin, set up threaded hole on the regulating plate, threaded hole female connection has the threaded rod, the output shaft fixed connection of threaded rod is on the output shaft of second motor.
Preferably, the cross section of regulating plate and surge bin is the rectangle, just the width and the length of regulating plate equals the width and the length of the inner chamber of surge bin.
Compared with the prior art, the utility model has the beneficial effects that:
1. in the technical scheme, through the matching among the second fixing plate, the third fixing plate, the second hydraulic cylinder, the first clamping block, the second clamping block, the first hydraulic cylinder and the pressing block, the bending force of a plurality of circuit boards is detected simultaneously;
2. in the technical scheme, circuit boards with different lengths and thicknesses can be clamped through the matching among the second fixing plate, the third fixing plate, the first clamping block, the second clamping block, the first motor, the steel wire rope and the moving block, so that the application range of the device is expanded;
3. in this technical scheme, through the cooperation between surge bin, regulating plate, second motor, threaded rod and the bracing piece, the height of adjustable the device to operating personnel operates.
Drawings
FIG. 1 is an overall schematic view of the present invention;
FIG. 2 is a top view of the holding plate, second securing plate and third securing plate of the present invention;
FIG. 3 is a top view of the placement plate, rectangular opening and moving block;
FIG. 4 is a side view of the L-shaped plate, the first clamping block, the second clamping block, the first hydraulic cylinder, and the pressing block;
fig. 5 is an enlarged view of a portion a in fig. 1.
Reference numbers in the figures: 1. placing the plate; 2. a regulating bin; 3. an L-shaped plate; 4. a first hydraulic cylinder; 5. a first fixing plate; 6. a vertical rod; 7. a pressing block; 8. a second fixing plate; 9. a third fixing plate; 10. a second hydraulic cylinder; 11. a first clamping block; 12. a second clamping block; 13. a soft cushion; 14. a non-slip mat; 15. a limiting plate; 16. a moving block; 17. a rectangular opening; 18. a cross bar; 19. a spring; 20. a first motor; 21. a reel; 22. a wire rope; 23. an adjusting plate; 24. a support bar; 25. a second motor; 26. a threaded rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a static bending force detection device of circuit board, is equipped with adjustment bin 2 including placing board 1, the below of placing board 1, is equipped with adjustment mechanism in the adjustment bin 2.
The adjusting mechanism comprises an adjusting plate 23, the cross sections of the adjusting plate 23 and the adjusting bin 2 are rectangular, the width and the length of the adjusting plate 23 are equal to those of an inner cavity of the adjusting bin 2, the stability of the device in height adjustment is improved, the adjusting plate 23 is positioned in the adjusting bin 2, two pairs of supporting rods 24 are fixedly connected to the top of the adjusting plate 23, the top ends of the two pairs of supporting rods 24 penetrate through the top of the adjusting bin 2 and are fixedly connected to the bottom of the placing plate 1, a second motor 25 is fixedly connected to the inner wall of the top of the adjusting bin 2, a threaded hole is formed in the adjusting plate 23, a threaded rod 26 is connected to the threaded hole in a threaded manner, an output shaft of the threaded rod 26 is fixedly connected to an output shaft of the second motor 25, the height of the device can be adjusted through the adjusting mechanism, so that an operator can operate the device conveniently, an L-shaped plate 3 is fixedly connected to the top of the placing plate 1, and a first hydraulic cylinder 4 is fixedly connected to the bottom of the L-shaped plate 3, a first fixing plate 5 is fixedly connected to an output shaft of the first hydraulic cylinder 4, three vertical rods 6 are fixedly connected to the bottom of the first fixing plate 5, a pressing block 7 is fixedly connected to the bottom end of each vertical rod 6, a cushion 13 is fixedly connected to the bottom of each pressing block 7, each cushion 13 is of a rubber cushion structure, the cushion 13 prevents the pressing block 7 from damaging electrical components on the surface of the circuit board, two second fixing plates 8 are arranged on the top of the placing plate 1, the two second fixing plates 8 are symmetrically arranged about the central axis of the placing plate 1, the balance during circuit board clamping is improved, toppling is prevented, a third fixing plate 9 is fixedly connected to one side, close to each second fixing plate 8, of each third fixing plate 9, three second hydraulic cylinders 10 are fixedly connected to the top of each third fixing plate 9, output shafts of the three second hydraulic cylinders 10 penetrate through the third fixing plates 9 and are fixedly connected with a first clamping block 11, the below of first grip block 11 is equipped with second grip block 12, and one side that second grip block 12 and three first grip block 11 are close to mutually all is provided with slipmat 14, and slipmat 14 rubber pad structure improves the frictional force between first grip block 11 and second grip block 12 and the circuit board through slipmat 14, and second grip block 12 fixed connection is equipped with moving mechanism on the lateral wall of second fixed plate 8 between regulation storehouse 2 and the board 1 of placing.
The moving mechanism comprises two limiting plates 15, the two limiting plates 15 are fixedly connected to the bottom of the placing plate 1, two moving blocks 16 are arranged between the two limiting plates 15, a rectangular opening 17 is formed in the placing plate 1, the tops of the moving blocks 16 penetrate through the rectangular opening 17 and are fixedly connected to the bottom of the second fixing plate 8, through holes are formed in the moving blocks 16, cross rods 18 penetrate through the through holes, two ends of each cross rod 18 are fixedly connected to the side walls of the two limiting plates 15, springs 19 are fixedly connected between the two moving blocks 16 and the limiting plates 15, the bottom of the placing plate 1 is fixedly connected with a first motor 20, a reel 21 is fixedly connected to an output shaft of the first motor 20, two steel wire ropes 22 are wound on the reel 21, the other sides of the two steel wire ropes 22 are fixedly connected to one sides of the two moving blocks 16 respectively, and the distance between the second fixing plates 8 can be adjusted through the moving mechanism, thereby making the device suitable for circuit boards of different lengths.
The working principle is as follows: when the device is used, all electrical components are externally connected with a power supply, then the second motor 25 is started, the second motor 25 drives the threaded rod 26 to rotate, the adjusting plate 23 and the supporting rod 24 are driven to move up and down through threaded engagement between the threaded rod 26 and the adjusting plate 23, the height of the device is further adjusted so as to be convenient for an operator to operate, then the first motor 20 is started, the first motor 20 drives the reel 21 to rotate, the two steel wire ropes 22 are driven to contract, the two moving blocks 16 are pulled to approach each other, then the two second fixing plates 8 are driven to approach each other through the two moving blocks 16 until the distance between the two second fixing plates 8 accords with the length of a circuit board to be detected, the three circuit boards are respectively placed between the three first clamping blocks 11 and the second clamping block 12, at the moment, the second hydraulic cylinder 10 can be started, the first clamping block 11 is pushed by the second hydraulic cylinder 10 to move towards the second clamping block 12, after the circuit board is clamped, the first hydraulic cylinder 4 is started, the first hydraulic cylinder 4 drives the first fixing plate 5 and the vertical rod 6 to move downwards, and then the three pressing blocks 7 are pushed to move downwards to press the circuit board, so that the circuit board is bent, and the bending force of the circuit board can be detected.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.