CN220173522U - Pressing mechanism of printed circuit board - Google Patents

Abstract

The utility model relates to the technical field of printed circuit boards, in particular to a press-fit mechanism of a printed circuit board, which comprises a workbench, wherein supporting legs are arranged at four corners of the bottom of the workbench, a placing table is arranged on the surface of the workbench, a first liftable clamp is arranged in the placing table, a vertical plate is arranged at the rear end of the placing table, a supporting top plate is fixedly connected with the top of the vertical plate, a hydraulic cylinder is arranged on the surface of the supporting top plate, a pressing plate is connected with the movable end of the hydraulic cylinder, and a second liftable clamp is arranged on the surface of the pressing plate; according to the utility model, the lifting clamps are arranged on the surfaces of the placing table and the pressing plate, after the lower substrate is placed on the placing table, the height of the clamps can be adjusted according to the thickness of the lower substrate, so that the height of the clamps does not exceed that of the lower substrate, and similarly, the height of the clamps can be adjusted when the pressing plate clamps the upper substrate, so that after the pressing plate with a larger size is selected, the pressing effect can be ensured, and the clamping effect cannot be blocked by the clamps.

Description

Pressing mechanism of printed circuit board

Technical Field

The utility model relates to the technical field of printed circuit boards, in particular to a press-fit mechanism of a printed circuit board.

Background

The printed circuit board is an important element in electronic equipment, the design of the printed circuit board is mainly layout design, and the printed circuit board has the main advantages of greatly reducing wiring and assembly errors, improving automation level and production labor rate and being divided into a single-layer board, a double-layer board, a four-layer board, a six-layer board and other multi-layer circuit boards according to the layer number of the circuit board. At present, when printed circuit boards are produced, the printed circuit boards are pressed together through a pressing device.

In the prior art, as disclosed in application number 2021231250704, a press fit device for producing and printing based on a circuit board specifically comprises a press fit table, a press fit machine body, a placement table and a limiting and clamping mechanism; the circuit board that needs pressfitting is fixed a position the chucking through spacing chucking mechanism, when carrying out the circuit board and pressfitting, is placed the circuit board at first and is placed the bench, and then through spacing chucking mechanism with circuit board chucking, start the pressfitting machine body again and pressfitting the circuit board, promoted the stability that compresses tightly to not unidimensional circuit board.

However, the existing circuit board has various thicknesses, and in the application document disclosed in the application number 2021231250704, the height of the movable transverse plate is not adjustable, if the thickness of the circuit board is smaller, the height of the clamping plate is higher than that of the circuit board, at this time, the larger clamping plate is selected, so that the circuit board cannot be pressed, and if the smaller clamping plate is selected, the circuit board cannot be pressed, but the circuit board cannot be uniformly stressed.

Disclosure of Invention

The present utility model is directed to a press-fit mechanism for a printed circuit board, so as to solve the above-mentioned problems in the prior art.

The aim of the utility model can be achieved by the following technical scheme:

the utility model provides a press fit mechanism of printed circuit board, includes the workstation, the bottom four corners of workstation all is provided with the supporting leg, and the surface of workstation is provided with places the platform, is provided with first liftable anchor clamps in placing the platform, and the rear end of placing the platform is provided with the riser, and the top of riser is fixed to link to each other and is supported the roof, and the surface mounting who supports the roof has the pneumatic cylinder, and the expansion end of pneumatic cylinder is connected with the clamp plate, and the surface of clamp plate is provided with second liftable anchor clamps, and the structure of second liftable anchor clamps is the same with the structure of first liftable anchor clamps.

Further, the first liftable clamp comprises two clamping plates which are oppositely arranged, telescopic rods are arranged at the bottoms of the two ends of the clamping plates, the clamping plates do lifting motion through the telescopic rods, driving mechanisms are arranged at the bottoms of the telescopic rods and used for driving the two clamping plates to simultaneously slide inwards or outwards.

Further, actuating mechanism includes two-way threaded rod, and two-way threaded rod is located places the platform, and two end screw thread of two-way threaded rod link to each other has the removal slider, and the bottom of telescopic link is fixed continuous with the removal slider.

Further, the inboard of splint is provided with the buffer board, and the array distributes between buffer board and the splint has a plurality of buffer springs, and the buffer board passes through buffer spring and links to each other with the inside wall of splint.

Further, the bottom center department of riser is provided with the drive pivot, and the riser passes through the drive pivot and links to each other with the workstation rotation, and the rear side of workstation is fixed to be connected with the material loading platform.

Further, an air cylinder is arranged at the center of the inner cavity of the placement table, the movable end of the air cylinder is connected with a jacking plate, and the jacking plate is in lifting motion through the air cylinder.

The utility model has the beneficial effects that:

according to the utility model, the lifting clamps are arranged on the surfaces of the placing table and the pressing plate, after the lower substrate is placed on the placing table, the height of the clamps can be adjusted according to the thickness of the lower substrate, so that the height of the clamps does not exceed that of the lower substrate, and similarly, the height of the clamps can be adjusted when the pressing plate clamps the upper substrate, so that after the pressing plate with a larger size is selected, the pressing effect can be ensured, and the clamping effect cannot be blocked by the clamps.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described, and it will be obvious to those skilled in the art that other drawings can be obtained according to these drawings without inventive effort;

FIG. 1 is a schematic view of the overall structure of the present utility model;

FIG. 2 is a bottom view of the platen of the present utility model;

FIG. 3 is a schematic view of the structure of the first clamp of the present utility model;

FIG. 4 is a schematic illustration of the connection of the lift plate to the placement stage of the present utility model.

Reference numerals in the drawings are as follows:

1. a work table; 2. support legs; 3. a placement table; 31. a two-way threaded rod; 4. a first liftable clamp; 41. a clamping plate; 42. a telescopic rod; 43. moving the slide block; 44. a buffer plate; 45. a buffer spring; 5. a vertical plate; 6. a supporting top plate; 7. a hydraulic cylinder; 8. a pressing plate; 9. a second liftable clamp; 10. driving the rotating shaft; 11. a feeding table; 12. a jacking plate; 13. and (3) a cylinder.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, a press-fit mechanism for a printed circuit board includes a workbench 1, supporting legs 2 are disposed at four corners of the bottom of the workbench 1, a placing table 3 is disposed on the surface of the workbench 1, a first liftable clamp 4 is disposed in the placing table 3, after a lower substrate is placed on the placing table 3, the lower substrate can be fixedly clamped by the first liftable clamp 4, the height of the first liftable clamp 4 can be adjusted according to the thickness of the lower substrate, the height of the first liftable clamp 4 does not exceed the lower substrate, a vertical plate 5 is disposed at the rear end of the placing table 3, a supporting top plate 6 is fixedly connected to the top of the vertical plate 5, a hydraulic cylinder 7 is mounted on the surface of the supporting top plate 6, a pressing plate 8 is connected to the movable end of the hydraulic cylinder 7, a second liftable clamp 9 is disposed on the surface of the pressing plate 8, the structure of the second liftable clamp 9 is identical to that of the first liftable clamp 4, the upper substrate can be fixedly clamped by the second liftable clamp 9, and the second liftable clamp 9 can be adjusted according to the thickness of the upper substrate, so that the press-fit process can not be blocked.

The first liftable clamp 4 comprises two clamping plates 41 which are oppositely arranged, a certain gap exists between the clamping plates 41 and the placing table 3, telescopic rods 42 are arranged at the bottoms of two ends of the clamping plates 41, the clamping plates 41 do lifting motion through the telescopic rods 42, driving mechanisms are arranged at the bottom ends of the telescopic rods 42 and used for driving the two clamping plates 41 to simultaneously inwards or outwards slide, a lower substrate is placed between the two clamping plates 41, the driving mechanisms can drive the two clamping plates 41 to inwards move, the lower substrate is fixedly clamped, and then the height of the clamping plates 41 is adjusted through the telescopic rods 42 according to the thickness of the lower substrate.

The driving mechanism comprises a bidirectional threaded rod 31, the bidirectional threaded rod 31 is positioned in the placing table 3, one end of the bidirectional threaded rod 31 is provided with a motor for driving the bidirectional threaded rod 31 to rotate, two ends of the bidirectional threaded rod 31 are connected with a movable sliding block 43 in a threaded manner, the bottom end of a telescopic rod 42 is fixedly connected with the movable sliding block 43, and therefore when the bidirectional threaded rod 31 rotates, two clamping plates 41 can be driven to simultaneously slide inwards or outwards.

When carrying out fixed centre gripping to the base plate, in order to avoid the dynamics of centre gripping too big, lead to the base plate to damage, be provided with buffer board 44 in the inboard of splint 41, array distribution has a plurality of buffer springs 45 between buffer board 44 and the splint 41, and buffer board 44 passes through buffer spring 45 and links to each other with the inside wall of splint 41, like this, buffer spring 45 can play certain cushioning effect.

The bottom center department of riser 5 is provided with drive pivot 10, riser 5 rotates through drive pivot 10 and workstation 1 to be linked to each other, the rear side of workstation 1 is fixedly connected with material loading platform 11, the upper base plate is placed on material loading platform 11, when pressing from both sides get, drive riser 5 through drive pivot 10 and rotate, then promote clamp plate 8 through pneumatic cylinder 7 and move down for the upper base plate is located second liftable anchor clamps 9, simultaneously, second liftable anchor clamps 9 also can shrink, until the upper base plate pastes in the surface of clamp plate 8, at this time, the height of second liftable anchor clamps 9 just is parallel and level with the upper base plate, then fixed centre gripping to the upper base plate.

The center of the inner cavity of the placement table 3 is provided with an air cylinder 13, the movable end of the air cylinder 13 is connected with a jacking plate 12, the jacking plate 12 is in lifting motion through the air cylinder 13, after the lamination is completed, the laminated circuit board can be lifted upwards through the jacking plate 12, and after the circuit board is taken away by a worker, a lower substrate can be placed.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.

Claims (6)

1. The utility model provides a press fit mechanism of printed circuit board, includes workstation (1), its characterized in that, the bottom four corners of workstation (1) all is provided with supporting leg (2), the surface of workstation (1) is provided with places platform (3), be provided with first liftable anchor clamps (4) in placing platform (3), the rear end of placing platform (3) is provided with riser (5), the top fixed connection of riser (5) has supporting roof (6), the surface mounting of supporting roof (6) has pneumatic cylinder (7), the expansion end of pneumatic cylinder (7) is connected with clamp plate (8), the surface of clamp plate (8) is provided with second liftable anchor clamps (9), and the structure of second liftable anchor clamps (9) is the same with the structure of first liftable anchor clamps (4).

2. The press-fit mechanism of a printed circuit board according to claim 1, wherein the first liftable clamp (4) comprises two clamping plates (41) which are oppositely arranged, telescopic rods (42) are arranged at the bottoms of two ends of the clamping plates (41), the clamping plates (41) do lifting movement through the telescopic rods (42), and a driving mechanism is arranged at the bottom end of the telescopic rods (42) and is used for driving the two clamping plates (41) to slide inwards or outwards simultaneously.

3. The press-fit mechanism of the printed circuit board according to claim 2, wherein the driving mechanism comprises a bidirectional threaded rod (31), the bidirectional threaded rod (31) is positioned in the placing table (3), two ends of the bidirectional threaded rod (31) are connected with a movable sliding block (43) in a threaded manner, and the bottom end of the telescopic rod (42) is fixedly connected with the movable sliding block (43).

4. The press-fit mechanism of a printed circuit board according to claim 2, wherein a buffer plate (44) is arranged on the inner side of the clamping plate (41), a plurality of buffer springs (45) are distributed between the buffer plate (44) and the clamping plate (41) in an array manner, and the buffer plate (44) is connected with the inner side wall of the clamping plate (41) through the buffer springs (45).

5. The press-fit mechanism of the printed circuit board according to claim 1, wherein a driving rotating shaft (10) is arranged at the bottom center of the vertical plate (5), the vertical plate (5) is rotationally connected with the workbench (1) through the driving rotating shaft (10), and a feeding table (11) is fixedly connected with the rear side of the workbench (1).

6. The press-fit mechanism of the printed circuit board according to claim 1, wherein an air cylinder (13) is arranged at the center of the inner cavity of the placing table (3), the movable end of the air cylinder (13) is connected with a jacking plate (12), and the jacking plate (12) is in lifting movement through the air cylinder (13).