Chip mounting jig of PCB (Printed Circuit Board)

Abstract

The utility model discloses a PCB (printed circuit board) chip mounting jig, which comprises a base, the top of the base is fixedly connected with an air cylinder, the movable end of the air cylinder extends to the top of the base and is fixedly connected with a jig seat, the jig seat is provided with a placing groove and four notches communicated with the placing groove, the top of the base is provided with four L-shaped clamping rods, and the L-shaped clamping rods are fixedly connected with the air cylinder. The four L-shaped clamping rods are symmetrically distributed on the two sides of the jig base in a pairwise mode and are correspondingly matched with the notches. According to the utility model, the base is used as a support of the device, when the device is used, the PCB is placed in the placing groove, then the air cylinder is started to drive the jig seat to ascend, and the PCB is driven to approach and contact with the vertical adjusting piece on the moving block through the notch to realize clamping and positioning, so that the operation of taking and placing the PCB through the structure does not need more manual operation, and the efficiency is higher; therefore, the device has the advantages that the loading and unloading efficiency is higher, the manual operation process is reduced, and the adjustment flexibility and applicability are better.

Description

Technical Field

[0001] The utility model relates to the technical field of PCB board patch technology, and more specifically to a PCB board patch fixture. Background Art

[0002] PCB, also known as printed circuit board, is an important electronic component, a support for electronic components, and a carrier for electrical connection of electronic components. Because it is made by electronic printing, it is called a "printed" circuit board. PCB boards have developed from single-layer to double-sided, multi-layer and flexible, and they still maintain their own development trends. PCB board placement machine is a device that transports the PCB board to the specified position, and then accurately places the surface mount components on the PCB board by moving the placement head. In this process, the circuit board needs to be clamped and fixed by a fixture. The placement position of the components is an important factor affecting the quality of the PCB circuit board.

[0003] Among them, application number 202121720794.0 discloses a patch fixture and patch equipment for PCB boards, including: a workbench set on the patch equipment used in conjunction with the patch fixture; a fixture body, the fixture body is fixed on the workbench in an outer shape positioning manner, and the top of the fixture body has a placement slot for placing the PCB board; a fixed plate, the fixed plate is rotatably set on the fixture body through a connecting component, and a roller is set at the bottom of the end of the fixed plate away from the connecting component. The fixed plate is against the upper surface of the PCB board placed in the placement slot through the roller, and the central axis direction of the roller is parallel to the length direction of the fixed plate. This patent sets a rotatable fixed plate on the fixture body and a roller on the fixed plate, and realizes the loading and unloading of the PCB board in the placement slot on the top of the fixture body by rotating the angle of the fixed plate. Compared with the prior art, it simplifies the disassembly and assembly process of the PCB board and relatively improves the production efficiency of the PCB board.

[0004] However, in the prior art, the process of loading and unloading PCB boards still requires twisting multiple parts to achieve unlocking and fixing, loading and unloading still requires a lot of manual operations, the efficiency still needs to be improved, and the applicability adjustment for circuit boards of different specifications is not flexible enough. Utility Model Content

[0005] In view of the problems existing in the prior art, the purpose of the utility model is to provide a patch fixture for a PCB board.

[0006] To solve the above problems, the utility model adopts the following technical solutions.

[0007] A patch fixture for a PCB board comprises a base, a cylinder is fixedly connected to the top of the base, a movable end of the cylinder extends to the top of the base and is fixedly connected to a fixture seat, a placement groove and four notches connected to the placement groove are opened on the fixture seat, four L-shaped clamping rods are installed on the top of the base, the four L-shaped clamping rods are symmetrically distributed on both sides of the fixture seat in pairs and correspondingly cooperate with the notches, a horizontal adjustment piece is installed between two L-shaped clamping rods on the same side, and moving blocks are movably installed at the ends of the L-shaped clamping rods, and a vertical adjustment piece is installed on the moving blocks.

[0008] As a further description of the above technical solution: the horizontal adjustment member includes a threaded rod, a positioning plate, a movable plate and two guide rods, the positioning plate is fixedly connected between the two L-shaped clamping rods, one end of the threaded rod is rotatably connected to the positioning plate, one side of the movable plate is fixedly connected to one side surface of the two L-shaped clamping rods, the other end of the threaded rod passes through the other end of the movable plate and is threadedly connected thereto, one end of the two guide rods are fixedly connected to the movable plate, and the other end of the guide rod is inserted into the interior of the L-shaped clamping rod and slides to its end to be fixedly connected to the movable block.

[0009] As a further description of the above technical solution: the vertical adjustment member includes a vertical screw, a connecting block, a spring and a cushion block, the bottom end of the vertical screw passes through the bottom of the moving block and is threadedly connected to it, the bottom end of the vertical screw is rotatably connected to the connecting block, the outer side of the connecting block is in sliding contact with the outer side of the L-shaped clamping rod, and the bottom of the connecting block is elastically connected to the cushion block through a spring.

[0010] As a further description of the above technical solution: a rubber layer is provided at the bottom of the cushion block.

[0011] As a further description of the above technical solution: mounting ear plates are fixedly installed on both sides of the base.

[0012] As a further description of the above technical solution: a slot is provided at the bottom of the moving block, and the connecting block is located inside the slot.

[0013] Compared with the prior art, the advantages of the present invention are:

[0014] This solution achieves efficient loading and unloading of PCBs through the use of a cylinder in conjunction with a vertically movable fixture seat and an L-shaped clamping rod, and through the use of vertical adjustment parts and horizontal adjustment parts, the device has the advantages of higher loading and unloading efficiency, reduced manual operation process, and better adjustment flexibility and applicability. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0016] Figure 2 for Figure 1 A schematic diagram of the enlarged structure of the middle part A;

[0017] Figure 3 It is a schematic diagram of the cross-sectional structure of the utility model in a top view;

[0018] Figure 4 It is a front view cross-sectional structural schematic diagram of the utility model.

[0019] Description of the numbers in the figure:

[0020] 1. Base; 2. Cylinder; 3. Jig seat; 4. Placement slot; 5. Notch; 6. L-shaped clamping rod; 7. Horizontal adjustment piece; 71. Threaded rod; 72. Positioning plate; 73. Moving plate; 74. Guide rod; 8. Moving block; 81. Notch; 9. Vertical adjustment piece; 91. Vertical screw; 92. Connecting block; 93. Spring; 94. Cushion block; 941. Rubber layer; 10. Mounting ear plate. DETAILED DESCRIPTION

[0021] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings in the embodiments of the present invention;

[0022] See also Figures 1 to 4 In the utility model, a patch fixture for a PCB board includes a base 1, a cylinder 2 is fixedly connected to the top of the base 1, a movable end of the cylinder 2 extends to the top of the base 1 and is fixedly connected to a fixture seat 3, a placement groove 4 and four notches 5 connected to the placement groove 4 are opened on the fixture seat 3, four L-shaped clamping rods 6 are installed on the top of the base 1, and the four L-shaped clamping rods 6 are symmetrically distributed on both sides of the fixture seat 3 in pairs and correspond to the notches 5. A horizontal adjustment piece 7 is installed between the two L-shaped clamping rods 6 on the same side, and a moving block 8 is movably installed at the end of the L-shaped clamping rod 6, and a vertical adjustment piece 9 is installed on the moving block 8.

[0023] In the utility model, the base 1 is used as the device support. When in use, the PCB board is placed inside the placement groove 4, and then the cylinder 2 is started to drive the fixture seat 3 to rise, and the PCB board is driven to approach and contact the vertical adjustment member 9 on the moving block 8 through the notch 5 to achieve clamping and positioning. This structure does not require much manual operation to take and place the PCB board, which is more efficient, and can be targeted to adapt to the clamping of PCB boards of different thicknesses by rotating the vertical adjustment member 9, and adjust the horizontal adjustment member 7 to change the distance between the L-shaped clamping rods 6 on both sides to adapt to the clamping and positioning of PCB boards of different widths, thereby achieving the advantages of higher loading and unloading efficiency, reducing the manual operation process, and better adjustment flexibility and applicability of the device, solving the problem that the process of loading and unloading PCB boards in the prior art still requires twisting multiple components to achieve unlocking and fixing, loading and unloading still requires more manual operations, efficiency still needs to be improved, and the applicability adjustment for circuit boards of different specifications is not flexible enough.

[0024] See also Figure 1 and Figure 3 , wherein: the horizontal adjustment member 7 includes a threaded rod 71, a positioning plate 72, a movable plate 73 and two guide rods 74, the positioning plate 72 is fixedly connected between the two L-shaped clamping rods 6, one end of the threaded rod 71 is rotatably connected to the positioning plate 72, one side of the movable plate 73 is fixedly connected to one side of the two L-shaped clamping rods 6, the other end of the threaded rod 71 passes through the other end of the movable plate 73 and is threadedly connected thereto, one end of the two guide rods 74 are fixedly connected to the movable plate 73, and the other end of the guide rod 74 is inserted into the interior of the L-shaped clamping rod 6 and slidably extends to its end to be fixedly connected to the movable block 8.

[0025] In the present invention, the threaded rod 71 is rotated with the positioning plate 72 as the support part, so as to drive the movable plate 73 to move horizontally, thereby driving the two guide rods 74 and the movable block 8 to move horizontally, so as to adjust the width of the clamping position.

[0026] See also Figure 2 and Figure 4 , wherein: the vertical adjustment member 9 includes a vertical screw rod 91, a connecting block 92, a spring 93 and a cushion block 94, the bottom end of the vertical screw rod 91 passes through the bottom of the moving block 8 and is threadedly connected thereto, the bottom end of the vertical screw rod 91 is rotatably connected to the connecting block 92, the outer side of the connecting block 92 is in sliding contact with the outer side of the L-shaped clamping rod 6, and the bottom of the connecting block 92 is elastically connected to the cushion block 94 through the spring 93.

[0027] In the utility model, the connecting block 92 is driven to move vertically by rotating the vertical screw rod 91, and the PCB board is buffered and squeezed by the spring 93 and the cushion block 94 to achieve clamping and positioning.

[0028] See also Figure 2 , wherein a rubber layer 941 is provided at the bottom of the cushion block 94 .

[0029] In the present invention, the rubber layer 941 is used to prevent the pad 94 from causing damage to the PCB board.

[0030] See also Figure 1 and Figure 3 , wherein: mounting ear plates 10 are fixedly mounted on both sides of the base 1.

[0031] In the utility model, the base 1 is conveniently installed on the device body by installing the ear plate 10.

[0032] See also Figure 2 , wherein: a slot 81 is formed at the bottom of the moving block 8 , and the connecting block 92 is located inside the slot 81 .

[0033] In the present invention, the slot 81 allows the connecting block 92 to have a larger vertical operating range, which is more conducive to adjustment.

[0034] The above is only a preferred specific implementation of the utility model; however, the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical solution and improved ideas of the utility model within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model.

Claims

1. A patch fixture for a PCB board, comprising a base (1), characterized in that: The top of the base (1) is fixedly connected to a cylinder (2); the movable end of the cylinder (2) extends to the top of the base (1) and is fixedly connected to a fixture seat (3); a placement groove (4) and four notches (5) connected to the placement groove (4) are provided on the fixture seat (3); four L-shaped clamping rods (6) are installed on the top of the base (1); the four L-shaped clamping rods (6) are symmetrically distributed on two sides of the fixture seat (3) and correspond to the notches (5); a horizontal adjustment member (7) is installed between two L-shaped clamping rods (6) on the same side; moving blocks (8) are movably installed at the ends of the L-shaped clamping rods (6); and a vertical adjustment member (9) is installed on the moving blocks (8).

2. A PCB board patch fixture according to claim 1, characterized in that: The horizontal adjustment member (7) comprises a threaded rod (71), a positioning plate (72), a movable plate (73) and two guide rods (74); the positioning plate (72) is fixedly connected between the two L-shaped clamping rods (6); one end of the threaded rod (71) is rotatably connected to the positioning plate (72); one side of the movable plate (73) is fixedly connected to one side of the two L-shaped clamping rods (6); the other end of the threaded rod (71) passes through the other end of the movable plate (73) and is threadedly connected thereto; one end of the two guide rods (74) is fixedly connected to the movable plate (73); the other end of the guide rod (74) is inserted into the interior of the L-shaped clamping rod (6) and slidably extends to its end to be fixedly connected to the movable block (8).

3. The patch fixture for a PCB board according to claim 1, characterized in that: The vertical adjustment member (9) comprises a vertical screw rod (91), a connecting block (92), a spring (93) and a cushion block (94); the bottom end of the vertical screw rod (91) passes through the bottom of the moving block (8) and is threadedly connected thereto; the bottom end of the vertical screw rod (91) is rotatably connected to the connecting block (92); the outer side of the connecting block (92) is in sliding contact with the outer side of the L-shaped clamping rod (6); and the bottom of the connecting block (92) is elastically connected to the cushion block (94) via the spring (93).

4. The patch fixture for a PCB board according to claim 3, characterized in that: A rubber layer (941) is provided at the bottom of the cushion block (94).

5. The PCB mounting fixture according to claim 1, characterized in that: Mounting ear plates (10) are fixedly mounted on both sides of the base (1).

6. The patch fixture for a PCB board according to claim 3, characterized in that: The bottom of the moving block (8) is provided with a slot (81), and the connecting block (92) is located inside the slot (81).

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