Jig for circuit board printing

Abstract

The utility model discloses a jig for circuit board printing, relates to the technical field of circuit board printing, and aims to solve the problems that the conventional circuit board needs to be fixed by a clamp in the printing process, and the conventional clamp is simple in structure, poor in stability, incapable of clamping and fixing according to circuit boards with different sizes, inconvenient to use and the like. The circuit board clamping device comprises a fixing frame, a clamping groove and a clamping groove, the through groove is integrally formed in the center of the interior of the fixing frame, the upper end and the lower end of the through groove are open, step plates are arranged in the through groove, the height of the step plates is consistent with the depth of the through groove, the two step plates are symmetrically arranged on the left side and the right side in the through groove, and the step plates are arranged in a step shape; and a step surface is arranged on the surface of the upper end of the step plate.

Description

Technical Field

[0001] The utility model relates to the technical field of circuit board printing, in particular to a jig for circuit board printing. Background Art

[0002] With the rapid development of social economy, the progress of single-chip microcomputers has driven people's use of circuit boards. Printed circuit boards, also known as PCB circuit boards, are providers of electrical connections for electronic components. It has a history of more than 100 years; its design is mainly layout design; the main advantage of using circuit boards is that it greatly reduces wiring and assembly errors, improves the level of automation and production labor rate, and circuit board printing is to print the designed circuit pattern on the substrate, etch it by chemical reaction or mechanical method, and then solder various electronic components to the substrate to complete the circuit connection and assembly process.

[0003] Usually, circuit boards need to be fixed with a clamp during the printing process. The existing clamp has a simple structure and poor stability. It cannot be clamped and fixed according to circuit boards of different sizes. It is easy to loosen during clamping, causing the circuit board to loosen and fall off. Therefore, we propose a jig for circuit board printing to solve the above problems. Utility Model Content

[0004] The purpose of the utility model is to provide a jig for printing circuit boards to solve the problem proposed in the above background technology that circuit boards usually need to be fixed with a clamp during printing, the existing clamp has a simple structure and poor stability, cannot be clamped and fixed according to circuit boards of different sizes, and is easy to loosen during clamping, causing the circuit boards to loosen and fall off.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a jig for printing circuit boards, comprising a fixing frame;

[0006] Also includes:

[0007] The through slot is integrally formed and arranged at the inner center of the fixed frame, and the upper and lower ends of the through slot are open. A step plate is arranged inside the through slot, and the height of the step plate is consistent with the depth of the through slot. Two step plates are symmetrically arranged and installed on the left and right sides of the through slot, and the step plates are arranged in a step shape. The upper end surface of the step plate is provided with a step surface, and the circuit board is attached to the upper end of the step surface. Threaded holes are symmetrically arranged on the left and right sides of the fixed frame, and the two ends of the threaded holes are respectively connected to the outside of the fixed frame and the inside of the through slot. A screw is arranged in the middle of the rear end of the step plate, and the screw is rotated at the rear end of the step plate through a connecting piece. The screw is threadedly connected to the threaded hole, and the step plate slides left and right inside the through slot through the rotation of the screw. A handle is arranged at the rear end of the screw, and the surface of the handle is provided with anti-slip texture.

[0008] Preferably, first sliding blocks are symmetrically provided at the front and rear ends of the step surface, first sliding grooves are symmetrically provided at the front and rear ends of the through groove, and the first sliding blocks are connected to the first sliding grooves by sliding engagement.

[0009] Preferably, second slide grooves are symmetrically provided on the left and right sides of the upper end of the fixed frame, and the second slide grooves are provided on the outside of the through grooves, a horizontal plate is provided on the upper end surface of the fixed frame, and two horizontal plates are provided and symmetrically installed on the front and rear sides of the upper end of the fixed frame, second sliders are symmetrically provided on both sides of the bottom of the horizontal plate, the second sliders are slidably engaged in the inside of the second slide grooves, and the horizontal plate slides back and forth on the upper end of the fixed frame through the engagement of the second sliders, a fitting plate is provided on the bottom front side of the horizontal plate, and two fitting plates are symmetrically provided.

[0010] Preferably, a limiting block is provided at the front upper end of the bonding plate, and the limiting block is bonded to the upper edge of the circuit board.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] 1. A horizontal plate is arranged at the upper end of the fixed frame, and the horizontal plate can slide on the upper end of the fixed frame and can be adjusted according to the length of the circuit board. A bonding plate is arranged on the front side of the horizontal plate, and a limit block is arranged at the front end of the bonding plate. When the circuit board is engaged with the bonding plate, the limit block is located at the bottom edge of the circuit board, which can support the bottom of the circuit board and prevent the circuit board from falling due to looseness during clamping.

[0013] 2. By arranging sliding-connected step plates on both sides of the through groove inside the fixed frame, the step plates are provided with step surfaces, and the sliding step plates can be used to clamp and fix circuit boards of different widths. The step plates can be slidably rotated by the screw to slide inward or outward for easy adjustment. The step surfaces on the upper ends of the step plates on both sides can support and clamp the circuit boards, and support the two sides of the bottom of the circuit boards to prevent the circuit boards from falling off due to looseness. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure decomposition of the utility model;

[0015] Figure 2 This is a top view of the fixed frame structure of the utility model;

[0016] Figure 3 It is a side view of the overall structure of the utility model;

[0017] In the figure: 1. fixed frame; 2. step plate; 3. first slide groove; 4. first slider; 5. threaded hole; 6. handle; 7. screw; 8. through groove; 13. cross plate; 14. second slide groove; 15. second slider; 16. fitting plate; 17. limit block; 20. step surface. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0019] See also Figure 1-3 , the utility model provides an embodiment: a jig for printing a circuit board, comprising a fixing frame 1;

[0020] Also includes:

[0021] The through slot 8 is integrally formed and arranged at the inner center of the fixed frame 1, and the upper and lower ends of the through slot 8 are open. A step plate 2 is arranged inside the through slot 8, and the height of the step plate 2 is consistent with the depth of the through slot 8. Two step plates 2 are symmetrically arranged and installed on the left and right sides of the through slot 8, and the step plate 2 is arranged in a step shape. The upper end surface of the step plate 2 is provided with a step surface 20, and the circuit board is attached to the upper end of the step surface 20. Threaded holes 5 are symmetrically arranged on the left and right sides of the fixed frame 1, and the two ends of the threaded hole 5 are respectively connected to the outside of the fixed frame 1 and the inside of the through slot 8. A screw 7 is arranged in the middle of the rear end of the step plate 2, and the screw 7 is rotated at the rear end of the step plate 2 through a connecting piece. The screw 7 is threadedly connected to the threaded hole 5, and the step plate 2 slides left and right in the through slot 8 through the rotation of the screw 7. A handle 6 is arranged at the rear end of the screw 7, and the surface of the handle 6 is provided with anti-slip texture.

[0022] Slidingly connected step plates 2 are arranged on both sides of the through slot 8 inside the fixed frame 1. The step plates 2 are provided with step surfaces 20. The slidable step plates 2 can fix circuit boards of different widths. The step plates 2 can be slid inward or outward by rotating the screw 7 to facilitate adjustment. The step plates 2 on both sides support the circuit boards to prevent them from falling off due to looseness.

[0023] See also Figure 2 The first sliders 4 are symmetrically arranged at the front and rear ends of the step surface 20, the first slide grooves 3 are symmetrically arranged at the front and rear ends of the through groove 8, and the first sliders 4 are slidably engaged with the first slide grooves 3 to facilitate the step plate 2 to slide left and right.

[0024] See also Figure 1A second slide groove 14 is symmetrically arranged on the left and right sides of the upper end of the fixed frame 1, and the second slide groove 14 is arranged on the outside of the through groove 8. A horizontal plate 13 is arranged on the upper end surface of the fixed frame 1, and two horizontal plates 13 are arranged and symmetrically installed on the front and rear sides of the upper end of the fixed frame 1. Second sliders 15 are symmetrically arranged on both sides of the bottom of the horizontal plate 13. The second sliders 15 are slidably engaged in the inside of the second slide groove 14, and the horizontal plate 13 slides back and forth on the upper end of the fixed frame 1 through the engagement of the second sliders 15. A bonding plate 16 is arranged on the front side of the bottom of the horizontal plate 13, and two bonding plates 16 are symmetrically arranged, which is convenient for limiting the front and rear sides of the circuit board.

[0025] See also Figure 3 A limiting block 17 is provided at the front upper end of the bonding plate 16, and the limiting block 17 is bonded to the upper edge of the circuit board to limit the range of movement above the circuit board.

[0026] Working principle: Turn the handle 6 to rotate the screw 7, driving the step plate 2 to slide on the inner side of the through slot 8, thereby adjusting the distance between the two step plates 2, and then place the circuit board on the upper ends of the two step plates 2, so that the edges on both sides of the circuit board are engaged on the step surface 20, and then move the front and rear side cross plates 13 so that the bonding plate 16 is against the edges of the front and rear ends of the circuit board, and the limit block 17 is attached to the edge of the upper end surface of the circuit board, and the installation of the circuit board is completed.

[0027] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A jig for printing a circuit board, comprising a fixing frame (1); Features: Also includes: A through slot (8) is integrally formed and arranged at the center of the interior of the fixed frame (1), and the upper and lower ends of the through slot (8) are open-type. A step plate (2) is arranged inside the through slot (8), and the height of the step plate (2) is consistent with the depth of the through slot (8). Two step plates (2) are symmetrically arranged and installed on the left and right sides of the interior of the through slot (8), and the step plates (2) are arranged in a step shape. The upper end surface of the step plate (2) is provided with a step surface (20), and the circuit board is attached to the upper end of the step surface (20). The interior of the fixed frame (1) is provided with a step plate (2). Threaded holes (5) are symmetrically arranged on the left and right sides, and the two ends of the threaded holes (5) are respectively connected to the outside of the fixing frame (1) and the inside of the through groove (8). A screw rod (7) is arranged in the middle of the rear end of the step plate (2). The screw rod (7) rotates at the rear end of the step plate (2) through a connecting piece. The screw rod (7) is threadedly connected to the threaded hole (5), and the step plate (2) slides left and right inside the through groove (8) through the rotation of the screw rod (7). A handle (6) is arranged at the rear end of the screw rod (7), and the surface of the handle (6) is provided with anti-slip patterns.

2. A jig for printing a circuit board according to claim 1, characterized in that: The step surface (20) is symmetrically provided with first sliding blocks (4) at the front and rear ends, and the through groove (8) is symmetrically provided with first sliding grooves (3) at the front and rear ends, and the first sliding blocks (4) are connected to the first sliding grooves (3) in a sliding engagement manner.

3. A jig for printing a circuit board according to claim 1, characterized in that: The second slide grooves (14) are symmetrically arranged on the left and right sides of the upper end of the fixed frame (1), and the second slide grooves (14) are arranged on the outside of the through grooves (8). The upper end surface of the fixed frame (1) is provided with a transverse plate (13), and two transverse plates (13) are provided and symmetrically installed on the front and rear sides of the upper end of the fixed frame (1). The second sliders (15) are symmetrically arranged on the two sides of the bottom of the transverse plate (13), and the second sliders (15) are slidably engaged in the inside of the second slide grooves (14), and the transverse plate (13) slides forward and backward on the upper end of the fixed frame (1) through the engagement of the second sliders (15). The bottom front side of the transverse plate (13) is provided with a bonding plate (16), and two bonding plates (16) are symmetrically arranged.

4. A jig for printing a circuit board according to claim 3, characterized in that: A limiting block (17) is provided at the front upper end of the bonding plate (16), and the limiting block (17) is bonded to the upper edge of the circuit board.

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