PCB cutting device capable of adjusting rotation angle

Abstract

The utility model discloses a PCB (Printed Circuit Board) cutting device capable of adjusting a rotation angle, which comprises a working plate, a through hole is formed in the upper end of the working plate, a bottom hole is formed in the bottom end of the through hole, a bottom plate is arranged on the inner wall of the bottom hole, a supporting rod is movably connected to the side wall of the through hole, and a top plate is connected to the top end of the supporting rod. A first limiting piece is arranged on the side wall of the top plate, a second limiting piece is arranged on the inner wall of the bottom hole, a sliding block is arranged on the outer wall of the bottom hole, a sliding hole is formed in the outer wall of the bottom plate, and the side wall of the sliding hole is in sliding connection with the sliding block; the PCB body is placed at the upper end of the top plate, the PCB bodies of different lengths can be fixed through the first limiting piece, at the moment, when the top plate is rotated, the top plate can drive the supporting rod to rotate, the top plate drives the PCB body to rotate, and therefore the effect that the placing angle of the PCB body can be adjusted without detaching the first limiting piece is achieved.

Description

Technical Field

[0001] The utility model relates to the field of a PCB board splitting device, in particular to a PCB board splitting device capable of adjusting a rotation angle. Background Art

[0002] PCB board names include: ceramic circuit board, alumina ceramic circuit board, aluminum nitride ceramic circuit board, circuit board, aluminum substrate, high frequency board, thick copper board, impedance board, ultra-thin circuit board, ultra-thin circuit board, printed circuit board, etc. Circuit boards make circuits miniaturized and intuitive, and play an important role in the mass production of fixed circuits and the optimization of electrical appliance layout.

[0003] There are two forms of cutting methods for existing PCB boards. One is mechanical cutting, which is performed in batches through an automated device. The other is manual segmentation. Manual segmentation is used to segment a small number of products or to cut PCB boards with irregular shapes. During manual cutting, the PCB board to be cut is generally placed on a work table for fixation and cut with a cutting tool. The fixed PCB board cannot be rotated. When the rotation angle of the PCB board needs to be adjusted, the fixing structure needs to be reopened. Therefore, it is inconvenient to adjust the rotation angle. Utility Model Content

[0004] The utility model aims to overcome the defect that it is inconvenient to rotate and adjust the angle when manually cutting a PCB board, and provides a PCB board cutting device capable of adjusting the rotation angle.

[0005] The technical solution for achieving the above-mentioned purpose is: a PCB board splitting device capable of adjusting the rotation angle, comprising a work plate, a through hole is opened at the upper end of the work plate, a bottom hole is opened at the bottom end of the through hole, a bottom plate is arranged on the inner wall of the bottom hole, a support rod is movably connected to the side wall of the through hole, a top plate is connected to the top of the support rod, a first limit piece is arranged on the side wall of the top plate, and a second limit piece is arranged on the inner wall of the bottom hole.

[0006] Preferably, a sliding block is provided on the outer wall of the bottom hole, a sliding hole is opened on the outer wall of the bottom plate, and a side wall of the sliding hole is slidably connected to the sliding block.

[0007] Preferably, the first limit member includes a connecting block, a limit rod, a pressure plate, a connecting rod, a connecting handle guide rod and an adjusting rod. The side walls around the top plate are slidably connected with guide rods, one end of the guide rod is connected to the connecting handle, the upper end of the side wall of the connecting handle is connected to a connecting rod, the bottom end of the side wall of the connecting handle is rotatably connected to the adjusting rod, the outer wall of the adjusting rod is rotatably connected to the top plate, one end of the connecting rod is connected to a connecting block, the top end of the connecting block is threadedly connected to the limit rod, and the bottom end of the limit rod is rotatably connected to the pressure plate.

[0008] Preferably, the lengths of the guide rod and the adjustment rod are both smaller than the side length of the top plate, and the bottom end of the pressure plate is connected to a rubber sleeve.

[0009] Preferably, the second limiting member includes a screw, a cylinder, a round rod, an insertion rod, a pressure ring, a groove, a friction strip and a block. The outer wall of the working plate is threadedly connected to two symmetrically distributed screws, one end of the screw is rotatably connected to the cylinder, the inner wall of the cylinder is inserted and connected to the round rod, the outer walls of the round rod and the cylinder are both provided with circular holes, the insertion rod is inserted and connected in the circular hole, one end of the round rod is connected to a pressure ring, the outer wall of the pressure ring is provided with a groove, the side wall of the groove is inserted and connected to a friction strip, and one side of the groove is slidably connected to a block.

[0010] Preferably, the friction strip and the pressure ring are both in arc shape, and the inner diameter of the friction strip is equal to the diameter of the support rod.

[0011] Preferably, the connecting block is L-shaped.

[0012] Preferably, a handle is provided on the outer wall of the work board.

[0013] The beneficial effects of the utility model are:

[0014] 1) Place the PCB body on the upper end of the top plate, and use the first limiter to fix the PCB bodies of different lengths. At this time, rotate the top plate, the top plate can drive the support rod to rotate, and the top plate drives the PCB body to rotate, thereby achieving the effect of adjusting the placement angle of the PCB body without removing the first limiter.

[0015] 2) Turn the adjusting rod, the adjusting rod drives the connecting handle to move, the connecting handle drives the connecting rod to move, the connecting rod drives the connecting block to move, so as to adjust the distance between the two connecting blocks to adapt to PCB boards of different lengths. When the connecting block drives the pressure plate to move through the limit rod, the pressure plate is moved to the upper edge of the PCB board body. At this time, turn the limit rod to press the pressure plate above the edge of the PCB board body, so as to achieve the effect of fixing PCB boards of various lengths. Turn the screw rod, the screw rod drives the cylinder to move, the cylinder drives the round rod to move, the round rod drives the pressure ring to move, so that the pressure ring drives the friction strip to move toward the support rod, and the friction strip squeezes the support rod, so that the support rod is fixed, which is used to fix the support rod to ensure that the PCB board body remains stable when it is cut. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0017] Figure 2 It is a schematic diagram of the explosion structure of the utility model;

[0018] Figure 3It is a front structural schematic diagram of the utility model;

[0019] Figure 4 yes Figure 1 A schematic diagram of the enlarged structure at A in the middle;

[0020] Figure 5 yes Figure 2 Schematic diagram of the enlarged structure at point B in the middle.

[0021] Figure Number:

[0022] 1. working board; 2. through hole; 3. bottom hole; 4. bottom plate; 5. support rod; 6. top plate; 7. PCB board body; 8. first limiter; 801. connecting block; 802. limiter rod; 803. pressure plate; 804. connecting rod; 805. connecting handle; 806. guide rod; 807. adjusting rod; 9. second limiter; 901. screw rod; 902. cylinder; 903. round rod; 904. insert rod; 905. pressure ring; 906. slot; 907. friction strip; 908. stopper. DETAILED DESCRIPTION

[0023] The technical solution of the present invention will be described clearly and completely below in conjunction with the accompanying drawings. In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside" and the like indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0024] The utility model will be further described below in conjunction with the accompanying drawings.

[0025] Reference Figure 1-5 A PCB board splitting device capable of adjusting a rotation angle comprises a work plate 1, a handle is arranged on the outer wall of the work plate 1, a through hole 2 is opened at the upper end of the work plate 1, a bottom hole 3 is opened at the bottom end of the through hole 2, a bottom plate 4 is arranged on the inner wall of the bottom hole 3, a support rod 5 is movably connected to the side wall of the through hole 2, a top plate 6 is connected to the top of the support rod 5, a first limiting member 8 is arranged on the side wall of the top plate 6, a second limiting member 9 is arranged on the inner wall of the bottom hole 3, a slider is arranged on the outer wall of the bottom hole 3, a sliding hole is opened on the outer wall of the bottom plate 4, and the side wall of the sliding hole is slidably connected to the slider.

[0026] The PCB body 7 is placed on the upper end of the top plate 6, and the first limiting member 8 is used to fix the PCB body 7 of different lengths. At this time, the top plate 6 is rotated, and the top plate 6 can drive the support rod 5 to rotate, and the top plate 6 drives the PCB body 7 to rotate, thereby achieving the effect of adjusting the placement angle of the PCB body without removing the first limiting member 8.

[0027] Reference Figure 1-4 The first limiting member 8 includes a connecting block 801, a limiting rod 802, a pressing plate 803, a connecting rod 804, a connecting handle 805, a guide rod 806 and an adjusting rod 807. The side walls around the top plate 6 are slidably connected with the guide rod 806, one end of the guide rod 806 is connected with the connecting handle 805, the upper end of the side wall of the connecting handle 805 is connected with the connecting rod 804, the bottom end of the side wall of the connecting handle 805 is rotatably connected with the adjusting rod 807, the outer wall of the adjusting rod 807 is rotatably connected to the top plate 6, one end of the connecting rod 804 is connected with the connecting block 801, the shape of the connecting block 801 is L-shaped, the top end of the connecting block 801 is threadedly connected with the limiting rod 802, the bottom end of the limiting rod 802 is rotatably connected with the pressing plate 803, the lengths of the guide rod 806 and the adjusting rod 807 are both smaller than the side length of the top plate 6, and the bottom end of the pressing plate 803 is connected with a rubber sleeve.

[0028] The adjusting rod 807 is rotated, and the adjusting rod 807 drives the connecting handle 805 to move, and the connecting handle 805 drives the connecting rod 804 to move, and the connecting rod 804 drives the connecting block 801 to move, so as to adjust the distance between the two connecting blocks 801 to adapt to the PCB board body 7 of different lengths. When the connecting block 801 drives the pressing plate 803 to move through the limiting rod 802, the pressing plate 803 is moved to the upper part of the edge of the PCB board body 7. At this time, the limiting rod 802 is rotated to press the pressing plate 803 above the edge of the PCB board body 7, so as to achieve the effect of fixing the PCB board body 7 of various lengths.

[0029] Reference Figure 1-5 The second limiting member 9 includes a screw 901, a cylinder 902, a round rod 903, an insertion rod 904, a pressure ring 905, a slot 906, a friction strip 907 and a stopper 908. The outer wall of the working plate 1 is threadedly connected with two symmetrically distributed screws 901, one end of the screw 901 is rotatably connected with the cylinder 902, the inner wall of the cylinder 902 is inserted and connected with the round rod 903, the outer walls of the round rod 903 and the cylinder 902 are both provided with circular holes, the insertion rod 904 is inserted and connected in the circular hole, one end of the round rod 903 is connected with a pressure ring 905, the outer wall of the pressure ring 905 is provided with a slot 906, the side wall of the slot 906 is inserted and connected with a friction strip 907, a stopper 908 is slidably connected with the slot 906, the friction strip 907 and the pressure ring 905 are both arc-shaped, and the inner diameter of the friction strip 907 is equal to the diameter of the support rod 5.

[0030] The screw rod 901 is rotated, and the screw rod 901 drives the cylinder 902 to move, and the cylinder 902 drives the round rod 903 to move, and the round rod 903 drives the pressure ring 905 to move, so that the pressure ring 905 drives the friction strip 907 to move toward the support rod 5, and the friction strip 907 squeezes the support rod 5, so that the support rod 5 is fixed, which is used to fix the support rod 5 to ensure that the PCB board body 7 remains stable when the PCB board body 7 is cut. If the friction strip 907 needs to be replaced, the bottom plate 4 is pulled out, the insertion rod 904 is pulled out, and the round rod 903 is pulled out from the cylinder 902, so that the pressure ring 905 can be taken out. At this time, the stopper 908 is slid out to pull out and replace the friction strip 907, and the installation can be carried out by reverse operation.

[0031] The above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model is described in detail with reference to the above embodiments, ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the above embodiments, or replace some or all of the technical features therein with equivalents. These modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the utility model.

Claims

1. A PCB board cutting device capable of adjusting the rotation angle, comprising a work plate (1), characterized in that: The upper end of the work plate (1) is provided with a through hole (2), the lower end of the through hole (2) is provided with a bottom hole (3), the inner wall of the bottom hole (3) is provided with a bottom plate (4), the side wall of the through hole (2) is movably connected with a support rod (5), the top end of the support rod (5) is connected with a top plate (6), the side wall of the top plate (6) is provided with a first limiting member (8), and the inner wall of the bottom hole (3) is provided with a second limiting member (9).

2. A PCB board cutting device capable of adjusting the rotation angle according to claim 1, characterized in that: The outer wall of the bottom hole (3) is provided with a sliding block, the outer wall of the bottom plate (4) is provided with a sliding hole, and the side wall of the sliding hole is slidably connected to the sliding block.

3. The PCB board segmentation device capable of adjusting the rotation angle according to claim 1, characterized in that: The first limiting member (8) comprises a connecting block (801), a limiting rod (802), a pressure plate (803), a connecting rod (804), a connecting handle (805), a guide rod (806) and an adjusting rod (807); the side walls around the top plate (6) are all slidably connected with the guide rod (806); one end of the guide rod (806) is connected with the connecting handle (805); the upper end of the side wall of the connecting handle (805) is connected with the connecting rod (804); the lower end of the side wall of the connecting handle (805) is rotatably connected with the adjusting rod (807); the outer wall of the adjusting rod (807) is rotatably connected to the top plate (6); one end of the connecting rod (804) is connected with the connecting block (801); the top end of the connecting block (801) is threadedly connected to the limiting rod (802); and the bottom end of the limiting rod (802) is rotatably connected to the pressure plate (803).

4. The PCB board segmentation device capable of adjusting the rotation angle according to claim 3, characterized in that: The lengths of the guide rod (806) and the adjustment rod (807) are both smaller than the side length of the top plate (6), and the bottom end of the pressing plate (803) is connected to a rubber sleeve.

5. The PCB board segmentation device capable of adjusting the rotation angle according to claim 1, characterized in that: The second limiting member (9) comprises a screw (901), a cylinder (902), a round rod (903), an insert rod (904), a pressure ring (905), a slot (906), a friction strip (907) and a stopper (908); the outer wall of the working plate (1) is threadedly connected to two symmetrically distributed screws (901); one end of the screw (901) is rotatably connected to the cylinder (902); the inner wall of the cylinder (902) is inserted with a connection A round rod (903) is provided, and the outer walls of the round rod (903) and the cylinder (902) are both provided with round holes, and an insertion rod (904) is inserted and connected in the round hole, and one end of the round rod (903) is connected to a pressure ring (905), and the outer wall of the pressure ring (905) is provided with a slot (906), and a friction strip (907) is inserted and connected to the side wall of the slot (906), and a stopper (908) is slidably connected to one end of the slot (906).

6. The PCB board segmentation device capable of adjusting the rotation angle according to claim 5, characterized in that: The friction strip (907) and the pressure ring (905) are both in the shape of an arc, and the inner diameter of the friction strip (907) is equal to the diameter of the support rod (5).

7. The PCB board segmentation device capable of adjusting the rotation angle according to claim 3, characterized in that: The connecting block (801) is in an L-shape.

8. The PCB board cutting device capable of adjusting the rotation angle according to claim 1, characterized in that: The outer wall of the work board (1) is provided with a handle.

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