Circuit board positioning structure for PCB drilling processing

Abstract

The utility model discloses a circuit board positioning structure for PCB (printed circuit board) drilling processing, which relates to the field of PCB drilling processing and comprises a base, a processing groove is formed in the middle of the upper end of the base, and fixing mechanisms are arranged in the processing groove and close to the left inner side wall and the right inner side wall. Two sets of buffering mechanisms are arranged in the machining groove and located in the middle, the fixing mechanism comprises a positioning plate, electric telescopic rods are arranged between the positioning plate and the inner side wall of the machining groove and close to the two ends, and a clamping groove is formed in the position, located at the bottom, of one side of the positioning plate; a sliding groove is formed in the upper end of the positioning plate and located above the clamping groove. Compared with the prior art, the circuit board positioning device has the advantages that the circuit board is positioned transversely and vertically at the same time, the positioning effect on the circuit board is good, the stability of the circuit board in the drilling machining process is effectively improved, the collision force generated when the circuit board makes contact with the base is reduced, and the circuit board in the drilling machining process is buffered and prevented from being damaged.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of PCB drilling processing, especially relates to a circuit board positioning structure for PCB drilling processing. BACKGROUND

[0002] PCB drilling processing is an important link in the PCB manufacturing process, mainly used for drilling various holes on the PCB board to meet the needs of component installation and connection on the circuit board, and a numerical control drilling machine is usually used for operation in the PCB drilling processing, according to the edited drilling tape data, the numerical control drilling machine uses different diameter drill bits to process various through holes on the copper clad plate, and these holes can be plated holes, slot holes and the like, which are used for supporting and fixing components and realizing circuit interconnection.

[0003] However, in the prior art, when performing the PCB drilling processing operation, the existing transverse positioning structure is troublesome to use, and the positioning effect is poor. UTILITY MODEL CONTENTS

[0004] The utility model discloses a circuit board positioning structure for PCB drilling processing to solve the problems in the above background.

[0005] In order to solve the above technical problems, the technical scheme of the utility model is a circuit board positioning structure for PCB drilling processing, which comprises a base, a machining groove is formed in the middle of the upper end of the base, a fixing mechanism is arranged in the machining groove near the inner side wall on both sides, and two sets of buffer mechanisms are arranged in the machining groove.

[0006] As a further scheme of the utility model, the fixing mechanism comprises a positioning plate, an electric telescopic rod is arranged between the positioning plate and the inner side wall of the machining groove near both ends, a clamping groove is formed in the bottom of one side of the positioning plate, a sliding groove is formed in the upper end of the positioning plate above the clamping groove, a limiting groove is formed in the inner side wall of the sliding groove, and a sliding plate is slidably arranged in the sliding groove.

[0007] As a further scheme of the utility model, a limiting plate is arranged in the limiting groove at the inner side wall of the sliding plate, a threaded rod is arranged in the upper end of the sliding plate, a handle is arranged on the upper end of the threaded rod, and a T-shaped supporting rod is slidably arranged at the bottom end of the threaded rod.

[0008] As a further scheme of the utility model, a second spring is arranged between the top of the T-shaped supporting rod and the bottom end of the threaded rod, the sliding plate slides left and right on the positioning plate along the sliding groove through the limiting plate and the limiting groove, and the threaded rod and the sliding plate are connected through threads.

[0009] As a further scheme of the utility model: the buffer mechanism includes a backing plate, a groove is arranged at the bottom of the processing groove and below the backing plate, vertical grooves are arranged at both inner side walls of the groove and close to the corners, sliding plates are arranged at both side walls of the backing plate and close to the corners, and a plurality of first springs are arranged at the bottom of the groove.

[0010] As a further scheme of the utility model: the sliding plate is arranged in the vertical groove, the backing plate is movably arranged in the groove through the sliding plate along the vertical groove, and the height of the backing plate is higher than that of the groove.

[0011] The above technical scheme has the following advantages: the positioning mechanism is placed in the PCB drilling processing equipment, the circuit board is placed in the processing groove arranged in the base and between the two positioning plates, then the electric telescopic rod is started to make the positioning plate tightly contact with both ends of the circuit board to fix the circuit board, the sliding plate is slid left and right in the sliding groove through the limiting plate along the limiting groove, the threaded rod is moved above the circuit board and close to the corner, the threaded rod is rotated clockwise by the handle to move downward, when the T-shaped supporting rod is moved to the upper end of the circuit board, the second spring is gradually compressed as the threaded rod continues to move downward, the second spring exerts elastic pressure on the circuit board through the T-shaped supporting rod to prevent the circuit board from being damaged, the circuit board is positioned horizontally and vertically at the same time, the positioning effect on the circuit board is good, and the stability of the circuit board in the drilling process is effectively improved.

[0012] When the circuit board is processed by the PCB drilling processing equipment, the circuit board is pressed downward, the circuit board continuously exerts pressure on the backing plate at this time, the backing plate is slid to the bottom of the groove along the vertical groove through the sliding plate, the first spring is extruded, the first spring is deformed and stores energy, the elastic deformation of the first spring accumulates elastic potential energy, then the first spring is released by the elastic potential energy to move to the original state to buffer the backing plate, the collision force when the circuit board contacts with the base is reduced, and the circuit board in the drilling process is buffered to prevent damage. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a whole structure schematic view of the circuit board positioning structure for PCB drilling processing.

[0014] Figure 2 It is a structure schematic view of the positioning plate of the circuit board positioning structure for PCB drilling processing.

[0015] Figure 3 It is a structure schematic view of the sliding plate of the circuit board positioning structure for PCB drilling processing.

[0016] Figure 4 It is a structure schematic view of the pushing pipe of the circuit board positioning structure for PCB drilling processing.

[0017] In the figure: 1, base; 2, processing groove; 3, fixing mechanism; 4, positioning plate; 5, sliding groove; 6, limiting groove; 7, clamping groove; 8, sliding plate; 9, limiting plate; 10, threaded rod; 11, handle; 12, T-shaped support rod; 13, electric telescopic rod; 14, buffer mechanism; 15, groove; 16, vertical groove; 17, sliding plate; 18, first spring; 19, pad plate. DETAILED DESCRIPTION

[0018] The specific embodiments of the utility model will be further described below with reference to the drawings. It should be noted that the description of these embodiments is used to help understand the utility model, but does not constitute a limitation on the utility model. In addition, the technical features involved in each embodiment of the utility model described below can be combined with each other as long as they do not conflict with each other.

[0019] Example one

[0020] Please refer to Figures 1-4 The utility model provides a kind of technical scheme: a PCB drilling processing circuit board positioning structure, including base 1, base 1 upper end and being located in middle position is set with processing groove 2, processing groove 2 inside and close to left and right inner side wall position are uniformly provided with fixing mechanism 3, processing groove 2 inside and being located in middle position are provided with two groups of buffer mechanism 14.

[0021] Please refer to Figure 2 And Figure 3 Fixing mechanism 3 includes positioning plate 4, positioning plate 4 and the inner side wall between processing groove 2 and close to the position of both ends are uniformly provided with electric telescopic rod 13, positioning plate 4 side and being located in bottom position is set with clamping groove 7, positioning plate 4 upper end and being located in the position above clamping groove 7 is set with sliding groove 5, the inner side wall of sliding groove 5 is set with limiting groove 6, sliding groove 5 is slidably provided with sliding plate 8.

[0022] The inner side wall of both sides of sliding plate 8 and being located in limiting groove 6 position is provided with limiting plate 9, threaded rod 10 is set on the upper end of sliding plate 8, handle 11 is set on the upper end of threaded rod 10, T-shaped support rod 12 is slidably inserted into the bottom end of threaded rod 10.

[0023] Second spring is set between the top of T-shaped support rod 12 and the bottom end of threaded rod 10, sliding plate 8 is slid along sliding groove 5 on positioning plate 4 by limiting plate 9 cooperation limiting groove 6, threaded rod 10 and sliding plate 8 are connected by screw thread.

[0024] In use, the positioning mechanism is placed in the PCB drilling processing equipment, and then the circuit board is placed in the processing groove 2 inside the base 1 and between the two sets of positioning plates 4, and then the electric telescopic rod 13 is started to make the positioning plate 4 tightly fixed to the two end positions of the circuit board through the clamping groove 7, the sliding plate 8 is slid left and right in the sliding groove 5 through the limiting plate 9 along the limiting groove 6, the threaded rod 10 is moved above the circuit board and close to the corner position, the threaded rod 10 is rotated clockwise through the handle 11 to move downward, and when the T-shaped support rod 12 moves to the upper end of the circuit board, the second spring is gradually compressed as the threaded rod 10 continues to move downward, the second spring exerts elastic pressure on the circuit board through the T-shaped support rod 12, which can prevent damage to the circuit board, and through the above operation, the stability of the circuit board during drilling processing is effectively improved, and the positioning of circuit boards of different sizes improves the practicability of the positioning structure.

[0025] Embodiment two

[0026] Please refer to Figures 1-4 The utility model provides a technical scheme: a circuit board positioning structure for PCB drilling processing, including base 1, base 1 upper end and located intermediate position are seted up processing groove 2, processing groove 2 inside and close to left and right inner side wall position all are provided with fixed mechanism 3, processing groove 2 inside and located intermediate position are provided with two sets of buffer mechanism 14.

[0027] Please refer to Figure 4 Buffer mechanism 14 includes backing plate 19, recess 15 is seted up in processing groove 2 inside bottom and located backing plate 19 below position, recess 15 both inner side wall and close to corner position all are seted up vertical slot 16, backing plate 19 both side walls and close to corner position all are provided with sliding plate 17, recess 15 inside bottom is provided with a plurality of first spring 18.

[0028] Sliding plate 17 is slidably arranged in the vertical slot 16, the backing plate 19 is movably arranged in the recess 15 by the sliding plate 17 along the vertical slot 16, and the height of the backing plate 19 is higher than that of the recess 15.

[0029] Specifically, when the circuit board is processed by the PCB drilling processing equipment, the circuit board is pressed downward, at this time the circuit board continuously exerts pressure on the backing plate 19, so that the backing plate 19 slides to the bottom of the recess 15 along the vertical slot 16 through the sliding plate 17, and the first spring 18 is extruded, which stores energy by deformation and storage, and the elastic deformation of the first spring 18 accumulates elastic potential energy, and then the first spring 18 releases the movement to restore the original state by the elastic potential energy to buffer the backing plate 19, reduce the collision force when the circuit board contacts the base 1, and buffer the circuit board during drilling processing to prevent damage.

[0030] The embodiments of the present application are described in detail in combination with the drawings, but the present application is not limited to the described embodiments. For those skilled in the art, various changes, modifications, replacements and variations of the embodiments can be made without departing from the principles and spirits of the present application, and still fall within the protection scope of the present application.

Claims

1. A circuit board positioning structure for PCB drilling processing, comprising a base (1), characterized in that: The base (1) upper end and the middle position are provided with processing groove (2), the processing groove (2) inside and close to the left and right inner side wall position are provided with fixed mechanism (3), the processing groove (2) inside and the middle position are provided with two groups of buffer mechanism (14); The buffer mechanism (14) includes a backing plate (19), the processing groove (2) inside bottom and below the backing plate (19) position is provided with recess (15), the recess (15) two inner side wall and close to the corner position are provided with vertical groove (16), the backing plate (19) both sides and close to the corner position are provided with sliding plate (17), the recess (15) inside bottom is provided with a plurality of first spring (18).

2. The circuit board positioning structure for PCB drilling according to claim 1, characterized in that: The fixed mechanism (3) includes a positioning plate (4), the positioning plate (4) and the inner side wall of processing groove (2) between and close to both ends position are provided with electric telescopic rod (13), the positioning plate (4) one side and the bottom position is provided with clamping groove (7), the positioning plate (4) upper end and above the clamping groove (7) position is provided with sliding slot (5), the sliding slot (5) both inner side wall are provided with limiting slot (6), the sliding slot (5) inside is provided with sliding plate (8).

3. The circuit board positioning structure for PCB drilling according to claim 2, characterized in that: The sliding plate (8) both sides and in the limiting slot (6) inside position are provided with limiting plate (9), the sliding plate (8) upper end is provided with threaded rod (10), the threaded rod (10) upper end is provided with handle (11), the threaded rod (10) bottom end is provided with T type support rod (12).

4. The PCB positioning structure for PCB drilling according to claim 3, wherein: The T type support rod (12) top and threaded rod (10) bottom end between the second spring, the sliding plate (8) through the limiting plate (9) cooperation limiting slot (6) along the sliding slot (5) on the positioning plate (4) left and right sliding, the threaded rod (10) and sliding plate (8) between through the screw connection.

5. The PCB positioning structure for PCB drilling according to claim 1, wherein: The sliding plate (17) is provided in the vertical groove (16), the backing plate (19) is provided in the recess (15) by the sliding plate (17) along the vertical groove (16), the height of the backing plate (19) is higher than the recess (15).

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