CN220279862U - Perforating device for PCB circuit board - Google Patents

Abstract

The utility model discloses a punching device for a PCB (printed Circuit Board), which comprises a bottom plate, wherein two first sliding plates are arranged on the upper surface of the bottom plate in a sliding way, the two first sliding plates penetrate through and are in threaded connection with a first threaded rod, one end of the first threaded rod is in power connection with a first motor fixedly arranged on the bottom plate, two support columns with symmetrical positions are fixedly arranged on the upper side of the first sliding plate, a fixing space is arranged in the upper surface of each support column, extrusion fixing is realized through a extrusion pad and the strip-shaped area of the lower plate of the upper plate, a more stable fixing effect is achieved through a larger extrusion area and an extrusion range, and the fixing effect is better; and be provided with first baffle and second baffle and be used for realizing the accurate positioning effect on the not equidirectional of circuit board, can be applicable to not unidimensional circuit board, still be provided with the bracing piece and support when punching, the circuit board is extruded and warp when avoiding punching to further guarantee the precision of punching.

Description

Perforating device for PCB circuit board

Technical Field

The utility model relates to the field of PCB circuit boards, in particular to a punching device for a PCB circuit board.

Background

The PCB circuit board, namely the circuit board, mainly comprises a bonding pad, a via hole, a mounting hole, a wire, a component, a connector, a filling, an electric boundary and the like. The circuit board enables the circuit to be miniaturized and visualized, and plays an important role in mass production of fixed circuits and optimization of the layout of electrical appliances. The circuit boards are classified into three major categories, namely single-sided boards, double-sided boards and multi-layer circuit boards, according to the number of layers. In the process of processing and producing the circuit board, a plurality of dense through holes are required to be punched on the circuit board, and a punching device is required to punch the circuit board.

There are perforating device of multiple circuit board processing in the present market, but these perforating device ubiquitous unable accurate fixed not equidimension's circuit board, lead to the circuit board to punch the in-process condition of easily appearing the position offset, influence the effect of punching.

Disclosure of Invention

In order to overcome the defects in the prior art, the utility model provides the punching device for the PCB, which realizes extrusion fixation through the extrusion pad and the strip-shaped areas of the upper plate and the lower plate, achieves a more stable fixation effect through a larger extrusion area and extrusion range, and has a better fixation effect; and be provided with first baffle and second baffle and be used for realizing the accurate positioning effect on the not equidirectional of circuit board, can be applicable to not unidimensional circuit board, still be provided with the bracing piece and support when punching, the circuit board is extruded and warp when avoiding punching to further guarantee the precision of punching.

Technical proposal

The utility model provides a perforating device for PCB circuit board, includes the bottom plate, the last slip of upper surface of bottom plate is provided with two first slide, two first slide runs through and threaded connection has first threaded rod, the one end power connection of first threaded rod have set firmly in first motor on the bottom plate, the upside of first slide has set firmly two symmetrical first support columns, be provided with fixed space in the upper surface of first support column, set firmly the second motor in the upper surface of fixed space, the upside power connection of second motor has the pivot, front and back both sides the pivot runs through and rotates and be connected with a hypoplastron, the hypoplastron set firmly in fixed space, the pivot of front and back both sides still runs through and threaded connection has an upper plate, the rear side be provided with on the fixed space and be used for spacing first baffle around, still be provided with on the fixed space and be used for realizing controlling spacing second baffle, still be provided with the mechanism that punches that is used for realizing between the first slide.

Further, the punching mechanism comprises a sliding space arranged in the bottom plate, a second sliding plate is arranged in the sliding space in a sliding manner, a second threaded rod is arranged on the second sliding plate in a penetrating manner and in threaded connection, a third motor fixedly arranged on the sliding space is connected to the second threaded rod in a power manner, two second supporting columns which are symmetrical in front-back position and fixedly connected to the second sliding plate, two supporting rods which are used for supporting a circuit board during punching are fixedly connected between the second supporting columns, an electric push rod is arranged on the top end of the supporting rod at the rear side, and a punching device with a lifting structure is fixedly arranged at the front end of the electric push rod.

Further, the first threaded rod comprises a first thread section and a second thread section, and the threads of the first thread section and the second thread section are opposite in rotation direction.

Further, a squeeze pad is disposed on an opposite side of the upper plate and the lower plate.

Further, the upper surface of the support rod is flush with the upper surface of the pressing pad at the lower side.

Further, the drill bit axis of the punching device passes through the gap between the two support rods.

Advantageous effects

Compared with the prior art, the utility model has the following beneficial effects: the extrusion and fixation are realized through the strip-shaped areas of the extrusion pad and the upper plate and the lower plate, and a more stable fixation effect is achieved through a larger extrusion area and extrusion range, so that the fixation effect is better; the first baffle and the second baffle are arranged for realizing accurate positioning effects on different directions of the circuit board, and the first baffle and the second baffle can be used as references after positioning is finished, so that the punching position can be more conveniently found in subsequent punching operation; the circuit board assembly can be suitable for circuit boards with different sizes, and has a very large application range; in addition, the support rod is further arranged to serve as a support during punching, so that the circuit board is prevented from being extruded to deform during punching, and punching accuracy is further guaranteed.

Drawings

Fig. 1 is a schematic structural diagram of a punching device for a PCB in the present utility model;

FIG. 2 is a top view of FIG. 1;

fig. 3 is an enlarged view at B in fig. 1.

Reference numerals and signs

The punching mechanism 900, the bottom plate 1, the third motor 2, the first motor 3, the second threaded rod 4, the sliding space 5, the second sliding plate 6, the first threaded rod 7, the first sliding plate 8, the second supporting column 9, the first supporting column 10, the supporting rod 11, the electric push rod 12, the punching device 13, the second motor 14, the second baffle 15, the fixed space 16, the pressing pad 17, the upper plate 18, the rotating shaft 19, the first baffle 20, the lower plate 21, the first threaded section 701 and the second threaded section 702.

Detailed Description

For a better illustration of the present utility model, the following description is made with reference to the accompanying drawings and examples:

as shown in fig. 1-3, the utility model discloses a punching device for a PCB circuit board, which comprises a bottom plate 1, two first sliding plates 8 are slidably arranged on the upper surface of the bottom plate 1, the two first sliding plates 8 penetrate through and are in threaded connection with a first threaded rod 7, one end of the first threaded rod 7 is in power connection with a first motor 3 fixedly arranged on the bottom plate 1, two first supporting columns 10 with symmetrical positions are fixedly arranged on the upper side of the first sliding plates 8, a fixed space 16 is arranged in the upper surface of the first supporting columns 10, a second motor 14 is fixedly arranged in the upper surface of the fixed space 16, a rotating shaft 19 is dynamically connected to the upper side of the second motor 14, the rotating shafts 19 on the front side and the rear side penetrate through and are rotatably connected with a lower plate 21, the lower plate 21 is fixedly arranged in the fixed space 16, the rotating shaft 19 on the front side and the rear side is also in threaded connection with an upper plate 18, a first baffle 20 for front and rear limiting is arranged on the fixed space 16, a second baffle 900 is further arranged on the fixed space 16 and is used for realizing the first punching mechanism 900 for realizing the punching between the first sliding plates 8.

Further, the punching mechanism 900 includes the set up in the inside slip space 5 of bottom plate 1, the slip is provided with second slide 6 in the slip space 5, run through on the second slide 6 and threaded connection has second threaded rod 4, power connection has set firmly in on the second threaded rod 4 the third motor 2 on the slip space 5, two second support columns 9 of position symmetry around fixedly connected with on the second slide 6, two fixedly connected with is used for supporting the supporting rod 11 of circuit board when punching between the second support column 9, the rear side be provided with electric putter 12 on the top of supporting rod 11, electric putter 12's the front end has set firmly the perforating device 13 that has elevation structure.

Further, the first threaded rod 7 includes a first thread section 701 and a second thread section 702, and the first thread section 701 and the second thread section 702 have opposite thread directions.

Further, a pressing pad 17 is provided on an opposite side of the upper plate 18 from the lower plate 21.

Further, the upper surface of the support bar 11 is flush with the upper surface of the pressing pad 17 on the lower side.

Further, the drill axis of the punching device 13 passes through the gap between the two support rods 11.

Specifically, when the circuit board needs to be perforated, the circuit board is firstly placed on the upper side of the supporting rod 11, then the first motor 3 is started, and the first threaded rod 7 rotates and drives the first sliding plate 8 to approach each other, so that the supporting rod 10 is driven to approach each other until the two second baffle plates 15 abut against the circuit board, and the circuit board is positioned in the left-right direction;

then the circuit board is pushed to the rear side until the circuit board is abutted against the first baffle 20, so that the positioning of the circuit board in the front-rear direction is realized by taking the first baffle 20 as a reference;

then the second motor 14 is started, the rotating shaft 19 rotates and drives the upper plate 18 to move downwards, and the two extrusion pads 17 are close to each other and clamp the circuit board, so that the fixing effect is realized;

thus, the accurate fixing and positioning effects on the circuit board are realized;

then the third motor 2 is started, the second sliding plate 6 moves left and right and drives the supporting frame 9 to move, and the electric push rod 12 moves left and right and drives the punching device 13 to move left and right;

when the electric push rod 12 is started, the punching device 13 is driven to move forwards and backwards, so that the free movement effect of the punching device 13 on the horizontal plane is realized, and the punching operation on the circuit board is realized by combining the lifting function of the punching device 13;

and when the punching device 13 moves, the supporting rods 11 also move along with the movement, and the supporting rods 11 always contact the lower surface of the circuit board and provide supporting effect for the circuit board, so that the circuit board is prevented from being bent under pressure during punching, the punching precision is ensured, and the right lower side of the drill bit of the punching device 13 is just positioned between the two supporting rods 11.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the technical solution of the present utility model has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that the technical solution described in the foregoing embodiments may be modified or some of the technical features thereof may be equally substituted; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims (6)

1. A perforating device for a PCB circuit board is characterized in that: including bottom plate (1), slide on the upper surface of bottom plate (1) and be provided with two first slide (8), two first slide (8) run through and threaded connection have first threaded rod (7), the one end power of first threaded rod (7) be connected with set firmly in first motor (3) on bottom plate (1), the upside of first slide (8) has set firmly two symmetrical first support column (10) in position, be provided with fixed space (16) in the upper surface of first support column (10), set firmly second motor (14) in the upper surface of fixed space (16), the upside power of second motor (14) is connected with pivot (19), both sides around pivot (19) run through and rotate and be connected with one hypoplastron (21), hypoplastron (21) set firmly in fixed space (16), both sides around pivot (19) still run through and threaded connection have one upper plate (18), be provided with on fixed space (16) be used for first baffle (20) before the back, still be used for realizing that first baffle (16) still be used for realizing between the first baffle (900) of punching.

2. The punching device for a PCB board according to claim 1, wherein: the punching mechanism (900) comprises a sliding space (5) arranged in the bottom plate (1), a second sliding plate (6) is arranged in the sliding space (5), a second threaded rod (4) penetrates through the second sliding plate (6) and is in threaded connection with the second sliding plate, a third motor (2) fixedly arranged on the sliding space (5) is connected to the second threaded rod (4) in a power mode, two second supporting columns (9) with front and back symmetrical positions are fixedly connected to the second sliding plate (6), two supporting rods (11) for supporting circuit boards during punching are fixedly connected between the second supporting columns (9), an electric push rod (12) is arranged on the top end of each supporting rod (11) at the rear side, and a punching device (13) with a lifting structure is fixedly arranged at the front end of each electric push rod (12).

3. The punching device for a PCB board according to claim 2, wherein: the first threaded rod (7) comprises a first thread section (701) and a second thread section (702), and the threads of the first thread section (701) and the second thread section (702) are opposite in rotation.

4. A punching device for a PCB according to claim 3, characterized in that: a squeeze pad (17) is provided on the opposite side of the upper plate (18) from the lower plate (21).

5. The punching device for the PCB according to claim 4, wherein: the upper surface of the supporting rod (11) is flush with the upper surface of the pressing pad (17) at the lower side.

6. The punching device for the PCB according to claim 5, wherein: the drill bit axis of the punching device (13) passes through the gap between the two support rods (11).