CN209954783U

CN209954783U - Cutting device for printed circuit board

Info

Publication number: CN209954783U
Application number: CN201920777370.4U
Authority: CN
Inventors: 李天娇
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-05-28
Filing date: 2019-05-28
Publication date: 2020-01-17
Anticipated expiration: 2029-05-28

Abstract

The utility model discloses a cutting device for printed circuit board, including cutting bed and cutting machine body, cutting machine body fixed mounting is at the upper surface of cutting bed, the last fixed surface of cutting bed installs circuit board anchor clamps, circuit board anchor clamps include two backup pads, two splint and electric telescopic handle, two the equal fixed mounting of backup pad is at the upper surface of cutting bed, two fixed mounting has two slide rails, two between the backup pad the surface sliding of slide rail is connected with two removal clamp platforms, two the equal fixed mounting of opposite face of backup pad has first bearing, two the inner wall fixedly connected with two-way screw rod of first bearing. The utility model discloses an above-mentioned isotructure's cooperation has realized that when convenient carry out the centre gripping to the circuit board fast, can carry out the effect adjusted to the centre gripping interval according to the circuit board of equidimension specification not.

Description

Cutting device for printed circuit board

Technical Field

The utility model relates to a printed circuit board technical field specifically is a cutting device for printed circuit board.

Background

Printed circuit boards are providers of electrical connections for electronic components. Its development has been over 100 years old; the design of the method is mainly layout design; the circuit board has the main advantages of greatly reducing errors of wiring and assembly, and improving the automation level and the production labor rate. However, since most of the circuit board raw materials purchased and produced have a large area and are difficult to be directly processed and utilized, the circuit boards need to be manually cut. However, in the conventional cutting device for the printed circuit board, a cutter is often used to directly cut the circuit board during the processing and cutting of the circuit board. For example, the printed circuit board cutting device disclosed in chinese patent CN202037628U places the circuit board on the worktable, and directly uses the cutting device to cut, resulting in the easy movement of the circuit board during cutting and affecting the quality of circuit board cutting. In summary, the problem that needs to be solved by those skilled in the art is how to improve the conventional cutting device for printed circuit boards to improve the problem that the circuit boards are inconvenient to clamp during use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a cutting device for printed circuit board possesses when convenient carrying out the centre gripping to the circuit board fast, can carry out the advantage of adjusting to the centre gripping interval according to the circuit board of equidimension specification not, has solved the inconvenient problem of carrying out quick centre gripping to the circuit board of traditional cutting device for printed circuit board.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a cutting device for printed circuit board, includes cutting bed and cutting machine body, cutting machine body fixed mounting is at the upper surface of cutting bed, the upper surface fixed mounting of cutting bed has the circuit board anchor clamps.

The circuit board clamp comprises two supporting plates, two clamping plates and an electric telescopic rod, wherein the two supporting plates are fixedly arranged on the upper surface of a cutting table, two sliding rails are fixedly arranged between the two supporting plates, the surfaces of the two sliding rails are connected with two movable clamping tables in a sliding manner, the opposite surfaces of the two supporting plates are fixedly provided with first bearings, the inner walls of the two first bearings are fixedly connected with two-way screw rods, the two-way screw rods penetrate through the supporting plates on the right side and are fixedly connected with knobs, the two-way screw rods penetrate through the two movable clamping tables and are respectively in threaded connection with the two movable clamping tables through two opposite threads, the back surfaces of the two movable clamping tables are respectively fixedly connected with two fixed blocks, the inner parts of the four fixed blocks are respectively fixedly provided with a second bearing, the inner walls of the four second bearings are respectively fixedly connected with, two splint all pass through two screw holes and screw rod threaded connection, four the bottom of screw rod all passes second bearing fixedly connected with connecting rod, four the connecting rod rotates through round pin axle and electric telescopic handle's both ends between two liang to be connected.

Preferably, two of said support plates are symmetrically distributed along the axis of symmetry of the cutting table.

Preferably, the two movable clamping tables are symmetrically distributed along the symmetry axis of the slide rail.

Preferably, two the relative face of removal clamp platform and two splint is fixed mounting with the rubber pad.

Preferably, the thread directions of the four screw rods are opposite.

Compared with the prior art, the beneficial effects of the utility model are as follows:

one, the utility model discloses a set up the rubber pad, play the effect of buffering, prevent to remove the clamp platform and splint when carrying out the centre gripping to the circuit board, cause the damage because of the centre gripping dynamics is too big to the circuit board.

Secondly, the utility model arranges the circuit board clamp, the circuit board to be cut and clamped is placed on the upper surfaces of two movable clamping tables, then two electric telescopic rods are started to extend, the electric telescopic rods extend through the connecting rods which are rotationally connected with the electric telescopic rods, the screw rods which are fixedly connected with the connecting rods are driven to rotate, the screw rods with opposite thread directions rotate in opposite directions, thereby the clamping plates which are in threaded connection with the screw rods are driven to press downwards, thereby the circuit board is clamped, when the circuit boards with different sizes and specifications are clamped, and the distance between the two movable clamping tables needs to be adjusted, the bidirectional screw rods which are fixedly connected with the electric telescopic rods are driven to rotate by rotating the knob, the bidirectional screw rods drive the two movable clamping tables which are respectively in threaded connection with the two opposite threads, the two movable clamping tables slide in opposite or opposite directions along the surfaces of the two slide rails, thereby the circuit board can be conveniently, the clamping distance can be adjusted according to circuit boards of different sizes and specifications.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a cross-sectional view of the present invention taken along line A of FIG. 1;

fig. 3 is a top sectional view of the movable clamping table of the present invention.

In the figure: 1-cutting table, 2-cutting machine body, 3-circuit board clamp, 4-support plate, 5-slide rail, 6-movable clamping table, 7-first bearing, 8-bidirectional screw, 9-knob, 10-fixed block, 11-second bearing, 12-screw, 13-clamping plate, 14-threaded hole, 15-connecting rod, 16-electric telescopic rod and 17-rubber pad.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 3, the present invention provides a technical solution: the utility model provides a cutting device for printed circuit board, includes cutting bed 1 and

cutting machine body

2, 2 fixed mounting of cutting machine body are at the upper surface of cutting bed 1, and the upper surface fixed mounting of cutting bed 1 has circuit board anchor clamps 3.

The circuit board clamp 3 comprises two supporting plates 4, two clamping plates 13 and an electric telescopic rod 16, wherein the two supporting plates 4 are fixedly arranged on the upper surface of a cutting table 1, the two supporting plates 4 are symmetrically distributed along the symmetrical axis of the cutting table 1, two sliding rails 5 are fixedly arranged between the two supporting plates 4, the surfaces of the two sliding rails 5 are slidably connected with two movable clamping tables 6, the opposite surfaces of the two supporting plates 4 are fixedly provided with first bearings 7, the inner walls of the two first bearings 7 are fixedly connected with two-way screw rods 8, the two-way screw rods 8 penetrate through the supporting plates 4 on the right side and are fixedly connected with knobs 9, the two-way screw rods 8 penetrate through the two movable clamping tables 6 and are respectively in threaded connection with the two movable clamping tables 6 through two opposite threads, the two movable clamping tables 6 are symmetrically distributed along the symmetrical axis of the sliding rails 5, the inner parts of the four fixed blocks 10 are fixedly provided with second bearings 11, the inner walls of the four second bearings 11 are fixedly connected with screw rods 12, two threaded holes 14 are formed in the plates of the two clamping plates 13, the two clamping plates 13 are in threaded connection with the screw rods 12 through the two threaded holes 14, rubber pads 17 are fixedly arranged on the opposite surfaces of the two movable clamping tables 6 and the two clamping plates 13, a buffering effect is achieved, the circuit board is prevented from being damaged due to overlarge clamping force when the circuit board is clamped by the movable clamping tables 6 and the clamping plates 13, the bottom parts of the four screw rods 12 penetrate through the second bearings 11 and are fixedly connected with connecting rods 15, the four connecting rods 15 are rotatably connected with the two ends of an electric telescopic rod 16 through pin shafts, the directions of the threads of the four screw rods 12 are opposite, the circuit board to be cut and clamped is placed on the upper surfaces of the two movable clamping tables, then starting the two electric telescopic rods 16 to extend, the electric telescopic rods 16 extend through the connecting rods 15 which are rotatably connected with the electric telescopic rods and drive the screw rods 12 which are fixedly connected with the connecting rods 15 to rotate, the two screw rods 12 with opposite thread directions rotate in opposite directions, thereby pressing down with the clamping plate 13 threadedly coupled with the screw 12, thereby clamping the circuit board, when circuit boards with different sizes and specifications are clamped and the distance between the two movable clamping tables 6 needs to be adjusted, the two-way screw rod 8 fixedly connected with the two-way screw rod 8 is driven to rotate by rotating the knob 9, the two-way screw rod 8 drives the two movable clamping platforms 6 respectively in threaded connection with two opposite threads of the two-way screw rod to rotate and slide along the surfaces of the two slide rails 5 in the opposite or back-to-back directions, therefore, the clamping distance can be adjusted according to the circuit boards with different sizes and specifications when the circuit boards are clamped conveniently and quickly.

The working principle is as follows: when the cutting device for the printed circuit board is used, a circuit board to be cut and clamped is placed on the upper surfaces of two movable clamping tables 6, then two electric telescopic rods 16 are started to extend, the electric telescopic rods 16 extend to pass through connecting rods 15 which are rotatably connected with the electric telescopic rods, screw rods 12 fixedly connected with the connecting rods 15 are driven to rotate, the screw rods 12 with opposite thread directions rotate in opposite directions, so that clamping plates 13 in threaded connection with the screw rods 12 are driven to press downwards, the circuit board is clamped, when circuit boards with different sizes and specifications are clamped, and the distance between the two movable clamping tables 6 needs to be adjusted, a bidirectional screw rod 8 fixedly connected with the bidirectional screw rod is driven to rotate by rotating a knob 9, the bidirectional screw rod 8 rotates to drive the two movable clamping tables 6 respectively in threaded connection with the two opposite threads to slide in opposite or reverse directions along the surfaces of two slide rails 5, therefore, the clamping distance can be adjusted according to the circuit boards with different sizes and specifications when the circuit boards are clamped conveniently and quickly.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a cutting device for printed circuit board, includes cutting bed (1) and cutting machine body (2), cutting machine body (2) fixed mounting is at the upper surface of cutting bed (1), its characterized in that: the upper surface of the cutting table (1) is fixedly provided with a circuit board clamp (3);

the circuit board clamp (3) comprises two supporting plates (4), two clamping plates (13) and an electric telescopic rod (16), wherein the two supporting plates (4) are fixedly arranged on the upper surface of the cutting table (1), two sliding rails (5) are fixedly arranged between the two supporting plates (4), the surfaces of the two sliding rails (5) are connected with two movable clamping tables (6) in a sliding manner, first bearings (7) are fixedly arranged on opposite surfaces of the two supporting plates (4), two bidirectional screws (8) are fixedly connected with the inner walls of the two first bearings (7), the bidirectional screws (8) penetrate through the supporting plates (4) on the right side and are fixedly connected with knobs (9), the bidirectional screws (8) penetrate through the two movable clamping tables (6) and are respectively in threaded connection with the two movable clamping tables (6) through two opposite threads, and the two fixed blocks (10) are fixedly connected with the opposite surfaces of the two movable clamping tables (6), four the equal fixed mounting in inside of fixed block (10) has second bearing (11), four the equal fixedly connected with screw rod (12) of inner wall of second bearing (11), two screw hole (14) have all been seted up on the board of splint (13), two splint (13) all are through two screw hole (14) and screw rod (12) threaded connection, four the bottom of screw rod (12) all passes second bearing (11) fixedly connected with connecting rod (15), four rotate through the both ends of round pin axle with electric telescopic handle (16) between two liang connecting rod (15) and be connected.

2. The cutting apparatus for a printed circuit board according to claim 1, wherein: the two supporting plates (4) are symmetrically distributed along the symmetry axis of the cutting table (1).

3. The cutting apparatus for a printed circuit board according to claim 1, wherein: the two movable clamping platforms (6) are symmetrically distributed along the symmetry axis of the sliding rail (5).

4. The cutting apparatus for a printed circuit board according to claim 1, wherein: and rubber pads (17) are fixedly arranged on the opposite surfaces of the two movable clamping tables (6) and the two clamping plates (13).

5. The cutting apparatus for a printed circuit board according to claim 1, wherein: the thread directions of every two of the four screw rods (12) are opposite.