CN213857660U

CN213857660U - Workbench of ultraviolet laser cutting machine

Info

Publication number: CN213857660U
Application number: CN202022815531.XU
Authority: CN
Inventors: 田桂林
Original assignee: Shenzhen Wanfuchang Technology Co ltd
Current assignee: Shenzhen Wanfuchang Technology Co ltd
Priority date: 2020-11-27
Filing date: 2020-11-27
Publication date: 2021-08-03
Anticipated expiration: 2030-11-27

Abstract

The application relates to an ultraviolet laser cutting machine workbench, which comprises a rack, a workbench for positioning a flexible circuit board, a pressing mechanism for locking the flexible circuit board on the workbench, and a buffer mechanism, wherein the pressing mechanism comprises a pressing plate for pressing the flexible circuit board, a plurality of torsional springs for connecting the rack and the pressing plate, and a locking mechanism for installing the torsional springs; the buffer mechanism is a tension spring, two ends of the tension spring are respectively installed on the rack and the pressing plate, one end of the tension spring installed on the rack is higher than one end of the tension spring installed on the pressing plate, and the tension force of the tension spring is smaller than the torsion force of the tension spring. The application has the effect of improving the safe fixation of the flexible circuit board so as to facilitate cutting.

Description

Workbench of ultraviolet laser cutting machine

Technical Field

The application relates to the field of laser cutting of flexible circuit boards, in particular to an ultraviolet laser cutting machine workbench.

Background

A Flexible Printed Circuit (FPC), which is a circuit board mainly composed of cu (copper foil), a (adhesive) and PI (Kapton, Polyimide), and is an important carrier for carrying electronic components and realizing electrical connection. The processing technology of the flexible circuit board directly influences the quality of a finished product, and the processing flow of the existing flexible circuit board mainly comprises the steps of cutting, laminating, drilling, copper deposition, wiring, patterning, etching, resistance welding, tin spraying and the like. After the core processing is completed, the core needs to be cut and formed by a laser cutting machine.

At present, in order to fix the flexible circuit board on the cutting machine worktable more firmly, a vacuum chuck is generally arranged on the cutting machine worktable to generate suction to adsorb the flexible circuit board, so as to realize the effect of fixing the relative position of the flexible circuit board, and thus, the flexible circuit board is convenient to stably cut.

With respect to the related art in the above, the inventors consider that there are the following drawbacks: the flexible circuit board is fixed in a mode of generating suction through the vacuum chuck, the vacuum chuck is a flexible circuit board which is adsorbed by a large area in an undifferentiated and uniform distribution mode, the vacuum chuck is used as a pneumatic quick-wear part, the vacuum chuck is seriously worn after being used for a long time, if the vacuum chuck is not replaced in time, adsorption traces are easily generated in an effective area of the flexible circuit board, and the flexible circuit board is easily damaged.

SUMMERY OF THE UTILITY MODEL

In order to improve the problem of the safe fixed so that the cutting of flexible line way board, this application provides an ultraviolet laser cutting machine workstation.

The application provides a pair of ultraviolet laser cutting machine workstation adopts following technical scheme:

a workbench of an ultraviolet laser cutting machine comprises a rack, a workbench for positioning a flexible circuit board, a pressing mechanism for locking the flexible circuit board on the workbench and a buffer mechanism, wherein the pressing mechanism comprises a pressing plate for pressing the flexible circuit board, a plurality of torsional springs for connecting the rack and the pressing plate and a locking mechanism for mounting the torsional springs; the buffer mechanism is a tension spring, two ends of the tension spring are respectively installed on the rack and the pressing plate, one end of the tension spring installed on the rack is higher than one end of the tension spring installed on the pressing plate, and the tension force of the tension spring is smaller than the torsion force of the tension spring.

Through adopting above-mentioned technical scheme, place the flexible line way board behind the workstation, press the clamp plate to the flexible line way board on the workstation, the torsional spring gives one of clamp plate and presses the torsion of flexible line way board, the extension spring gives one of pressure plate pulling force of keeping away from the flexible line way board, make the comparatively slow edge that presses to the flexible line way board of clamp plate, thereby realize hold-down mechanism and lock the flexible line way board in the workstation, lock the flexible line way board and can carry out stable cutting behind the workstation, avoid the clamp plate to cause the damage to the flexible line way board at the in-process that compresses tightly the flexible line way board, the problem of the safe fixed so that the cutting of flexible line way board has been improved.

Preferably, the number of the pressing mechanisms is two, the two pressing mechanisms are respectively arranged on two opposite sides of the workbench, and each pressing mechanism corresponds to one buffer mechanism.

Through adopting above-mentioned technical scheme, increase the locking efficiency to the flexible line way board for the more firm quilt hold-down mechanism of flexible line way board locks in the workstation so that firm cutting.

Preferably, one side of the pressing plate, which is used for being in contact with the circuit board, is provided with a flexible anti-slip layer.

By adopting the technical scheme, the flexible circuit board is prevented from loosening in the cutting process, and meanwhile, the damage of the pressing plate to the flexible circuit board is reduced.

Preferably, the torsional spring includes that two turn round the circle and connect two arc changeover portions of turning round the circle, two turn round the circle and have outside first stiff end and the second stiff end that extends respectively, the opposite direction that first stiff end, second stiff end and arc changeover portion extend.

Through adopting above-mentioned technical scheme, two settings of turning round the circle for the torsion of torsional spring is more even stable, thereby increases the stable locking of clamp plate to the flexible line way board.

Preferably, locking mechanical system includes two fixed sleeves that are used for installing first stiff end and second stiff end respectively and is used for installing the fixed rubber sleeve of arc changeover portion, two fixed sleeves all installs in the frame, fixed rubber sleeve installs in the clamp plate.

Through adopting above-mentioned technical scheme, improve the stability of torsional spring wrench movement in-process.

Preferably, the frame is provided with the articulated seat that is used for installing the articulated shaft, articulated shaft demountable installation is in articulated seat, torsional spring demountable installation is in locking mechanical system.

Through adopting above-mentioned technical scheme, when the torsional spring uses for a long time so that the torsional force stability of torsional spring descends, the change of the torsional spring of being convenient for.

Preferably, first stiff end and second stiff end difference fixedly connected with fixed foot, the fixed foot of first stiff end extends to the direction of keeping away from the second stiff end, the fixed foot of second stiff end extends to the direction of keeping away from first stiff end.

Through adopting above-mentioned technical scheme, insert two fixed feet respectively in two fixed sleeves, can accomplish the installation of two fixed feet, when needs break away from fixed sleeve with fixed foot, pinch the first stiff end and the second stiff end for first stiff end and second stiff end have the trend of being close to each other, until two fixed feet break away from behind the fixed sleeve can, convenient and fast.

Preferably, two fixed telescopic axis are on a parallel with the length direction of clamp plate, and two fixed telescopic openings set up relatively, and fixed rubber sleeve offers and is used for with the arc changeover portion grafting complex inserting groove, the opening of inserting groove towards fixed sleeve.

Through adopting above-mentioned technical scheme, insert the inserting groove with the arc changeover portion earlier, insert two fixed feet respectively afterwards in two fixed sleeves, can accomplish the installation of torsional spring, convenient and fast.

Preferably, the frame is further provided with a lifting mechanism for lifting the pressure plate.

Through adopting above-mentioned technical scheme, alleviate workman's intensity of labour, with lifting mechanism electric connection in switch board, can the lift of automatic control clamp plate, convenient and fast.

Preferably, the lifting mechanism is a lifting cylinder, the cylinder body of the lifting cylinder is installed on the frame, and the output end of the lifting cylinder is hinged to the pressing plate.

By adopting the technical scheme, when the fixing effect of the pressing mechanism on the flexible circuit board needs to be relieved, the lifting cylinder is started to lift the pressing plate, so that the pressing plate can be separated from the flexible circuit board; when the pressing plate is required to compress the flexible circuit board, the lifting cylinder is started to enable the pressing plate to descend, the pressing plate can be enabled to compress the flexible circuit board, and the pressing device is convenient and fast.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the pressing plate, the torsion spring and the tension spring are arranged, so that the pressing plate slowly presses the edge of the flexible circuit board, the flexible circuit board is locked on the workbench by the pressing mechanism, stable cutting can be performed after the flexible circuit board is locked on the workbench, the flexible circuit board is prevented from being damaged in the process of pressing the flexible circuit board by the pressing plate, and the problem of safe fixation of the flexible circuit board so as to facilitate cutting is solved;

2. through setting up the lift cylinder, alleviateed workman's intensity of labour, with lifting mechanism electric connection in switch board, can the lift of automatic control clamp plate, convenient and fast.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present application.

Fig. 2 is an enlarged schematic view of a structure at a in fig. 1.

Fig. 3 is a schematic diagram of the positional relationship of the torsion spring.

Fig. 4 is a schematic structural diagram of another view angle according to an embodiment of the present application.

Description of reference numerals: 1. a frame; 2. a work table; 3. pressing a plate; 4. a torsion spring; 5. hinging a shaft; 6. a hinged seat; 7. twisting the ring; 8. an arc transition section; 9. a first fixed end; 10. a second fixed end; 11. a fixing leg; 12. fixing the sleeve; 13. fixing the rubber sleeve; 14. inserting grooves; 15. a tension spring; 16. a lifting cylinder; 17. and (6) accommodating the tank.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses an ultraviolet laser cutting machine workbench. Referring to fig. 1, the workbench of the ultraviolet laser cutting machine comprises a frame 1, a workbench 2 for positioning the flexible circuit board, and a pressing mechanism for locking the flexible circuit board on the workbench 2, wherein the workbench 2 is arranged in the middle of the frame 1, and the pressing mechanism is arranged on the frame 1. The number of the pressing mechanisms is several, in the embodiment, two pressing mechanisms are arranged, and the number of the pressing mechanisms is not limited; the two pressing mechanisms are respectively arranged on two opposite sides of the workbench 2.

Referring to fig. 1 and 2, the pressing mechanism includes a hinge shaft 5, a hinge seat 6 for detachably mounting the hinge shaft 5, a pressing plate 3 hinged to the frame 1 through the hinge shaft 5, and a plurality of torsion springs 4 connecting the frame 1 and the pressing plate 3, the hinge seat 6 being mounted to the frame 1. Articulated seat 6 is offered and is used for articulated complex through-hole of articulated shaft 5 to be convenient for articulated shaft 5 demountable installation in articulated seat 6.

The torsional spring 4 is sleeved on the hinged shaft 5, one end of the torsional spring 4 is installed on the frame 1, the other end of the torsional spring 4 is installed on the pressing plate 3, and the pressing plate 3 is used for pressing the flexible circuit board; in the present embodiment, two torsion springs 4 are exemplified, and the number of torsion springs 4 is not limited. The two torsion springs 4 are respectively arranged at two ends of the pressing plate 3 in the length direction. One side that clamp plate 3 is used for and circuit board contact is provided with flexible skid resistant course to avoid flexible line way board to take place not hard up in cutting process, reduce the damage of clamp plate 3 to flexible line way board simultaneously.

The torsion spring 4 is a double torsion spring 4, the torsion spring 4 comprises two torsion rings 7 which are sleeved on the hinge shaft 5 and an arc transition section 8 which is connected with the two torsion rings 7, the two torsion rings 7 are symmetrically arranged, and the arc transition section 8 is of an inverted U-shaped structure; the two torsion rings 7 are respectively provided with a first fixing end 9 and a second fixing end 10 which extend outwards, the torsion ring 7 connected with the first fixing end 9 is spirally arranged towards the inside along the clockwise direction, and the torsion ring 7 connected with the second fixing end 10 is spirally arranged towards the inside along the anticlockwise direction; the first fixing end 9, the second fixing end 10 and the arc-shaped transition section 8 extend in opposite directions. First stiff end 9 and second stiff end 10 are fixedly connected with fixed foot 11 respectively, and the fixed foot 11 of first stiff end 9 extends to the direction of keeping away from second stiff end 10, and the fixed foot 11 of second stiff end 10 extends to the direction of keeping away from first stiff end 9.

The rack 1 is provided with locking mechanisms for fixing the torsion springs 4, and each torsion spring 4 is correspondingly provided with one locking mechanism; the locking mechanism comprises two fixing sleeves 12 respectively used for fixing two fixing feet 11 and a fixing rubber sleeve 13 used for fixing the arc transition section 8; two fixed sleeves 12 are all installed in frame 1, and two fixed sleeves 12 symmetry and interval set up, and the axis of two fixed sleeves 12 is on a parallel with the length direction of clamp plate 3, and the opening of two fixed sleeves 12 sets up relatively, and fixed rubber sleeve 13 is installed in one side that flexible skid resistant course was kept away from in clamp plate 3. The fixed rubber sleeve 13 is provided with an insertion groove 14 which is used for being in insertion fit with the arc-shaped transition section 8, and the opening of the insertion groove 14 faces the fixed sleeve 12. The arc-shaped transition section 8 is inserted into the insertion groove 14, and then the two fixing legs 11 are respectively inserted into the two fixing sleeves 12, so that the installation of the torsion spring 4 can be completed.

Referring to fig. 1, the frame 1 is further provided with a buffer mechanism, the buffer mechanism is a tension spring 15, two ends of the tension spring 15 are respectively and fixedly connected to the frame 1 and the pressing plate 3, one end of the tension spring 15 fixedly connected to the frame 1 is higher than one end of the tension spring 15 fixedly connected to the pressing plate 3, and the tension of the tension spring 15 is smaller than the torsion of the torsion spring 4; when the pressing plate 3 presses to the in-process of flexible line way board, the extension spring 15 gives 3 pulling force of keeping away from the flexible line way board of pressing plate for 3 comparatively slow pressing to the flexible line way board of pressing plate, thereby avoid the pressing plate 3 because the too fast pressing to the flexible line way board of torsion of torsional spring 4, lead to the flexible line way board to take place deformation.

Referring to fig. 1 and 4, the frame 1 is further provided with a lifting mechanism for lifting the pressing plate 3; be provided with the interval between the inner wall of workstation 2 and the 1 vertical direction of frame, 2 upper surfaces of workstation are higher than the 1 diapire of frame for form the holding tank 17 that is used for holding the lifting mechanism between the inner wall of workstation 2 and the 1 vertical direction of frame. The lifting mechanism is a lifting cylinder 16, the cylinder body of the lifting cylinder 16 is arranged on the bottom wall of the frame 1, and the output end of the lifting cylinder 16 is hinged to one side of the pressing plate 3 provided with the flexible anti-skid layer; when the fixing effect of the pressing mechanism on the flexible circuit board needs to be relieved, the lifting cylinder 16 is started to lift the pressing plate 3, and the pressing plate 3 can be separated from the flexible circuit board; when the pressing plate 3 is required to press the flexible circuit board, the lifting cylinder 16 is started to enable the pressing plate 3 to descend, and the pressing plate 3 can be enabled to press the flexible circuit board.

The embodiment of the application provides an ultraviolet laser cutting machine workbench, and the implementation principle is as follows: after the flexible circuit board is placed on the workbench 2, the lifting cylinder 16 is started to descend, the pressing plate 3 descends, the torsion spring 4 gives the pressing plate 3 a torsion force pressing the flexible circuit board, the tension spring 15 gives the pressing plate a tension force far away from the flexible circuit board, so that the pressing plate 3 slowly presses the edge of the flexible circuit board, and the flexible circuit board is locked on the workbench 2 by the pressing mechanism; when the fixing effect of the flexible circuit board by pressing needs to be relieved, the lifting cylinder 16 is started to lift the pressing plate 3, and the pressing plate 3 can be separated from the flexible circuit board.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides an ultraviolet laser cutting machine workstation which characterized in that: the flexible printed circuit board clamping mechanism comprises a rack (1), a workbench (2) for positioning a flexible printed circuit board, a pressing mechanism for locking the flexible printed circuit board on the workbench (2) and a buffer mechanism, wherein the pressing mechanism comprises a pressing plate (3) for pressing the flexible printed circuit board, a plurality of torsion springs (4) for connecting the rack (1) and the pressing plate (3) and a locking mechanism for installing the torsion springs (4), the pressing plate (3) is hinged to the rack (1) through a hinged shaft (5), and the hinged shaft (5) is sleeved with the torsion springs (4); buffer gear is extension spring (15), install respectively in frame (1) and clamp plate (3) at the both ends of extension spring (15), the one end that installs in frame (1) in extension spring (15) is higher than extension spring (15) and installs the one end in clamp plate (3), the pulling force of extension spring (15) is less than the torsion of torsional spring (4).

2. The ultraviolet laser cutter table of claim 1, wherein: the pressing mechanisms are arranged in two numbers, the two pressing mechanisms are respectively arranged on two opposite sides of the workbench (2), and each pressing mechanism corresponds to one buffer mechanism.

3. The ultraviolet laser cutter table of claim 1, wherein: and one side of the pressing plate (3) for contacting with the circuit board is provided with a flexible anti-slip layer.

4. The ultraviolet laser cutter table of claim 1, wherein: torsional spring (4) turn round circle (7) and connect two arc changeover portion (8) of turning round circle (7) including two, two turn round circle (7) and have outside first stiff end (9) and the second stiff end (10) that extend respectively, the opposite direction that first stiff end (9), second stiff end (10) and arc changeover portion (8) extend.

5. The ultraviolet laser cutter table of claim 1, wherein: locking mechanical system includes two fixed sleeves (12) that are used for installing first stiff end (9) and second stiff end (10) respectively and is used for installing fixed rubber sleeve (13) of arc changeover portion (8), two fixed sleeve (12) are all installed in frame (1), fixed rubber sleeve (13) are installed in clamp plate (3).

6. The ultraviolet laser cutter table of claim 1, wherein: frame (1) is provided with articulated seat (6) that are used for installing articulated shaft (5), articulated shaft (5) demountable installation is in articulated seat (6), torsional spring (4) demountable installation is in locking mechanical system.

7. The UV laser cutter stage of claim 5, wherein: first stiff end (9) and second stiff end (10) are fixedly connected with fixed foot (11) respectively, fixed foot (11) of first stiff end (9) extend to the direction of keeping away from second stiff end (10), fixed foot (11) of second stiff end (10) extend to the direction of keeping away from first stiff end (9).

8. The UV laser cutter stage of claim 5, wherein: the central axis of two fixed sleeves (12) is parallel to the length direction of clamp plate (3), and the opening of two fixed sleeves (12) sets up relatively, and fixed rubber sleeve (13) are offered and are used for with arc changeover portion (8) grafting complex inserting groove (14), and the opening of inserting groove (14) is towards fixed sleeve (12).

9. The ultraviolet laser cutter table of claim 1, wherein: the machine frame (1) is also provided with a lifting mechanism for lifting the pressing plate (3).

10. The ultraviolet laser cutter table of claim 9, wherein: the lifting mechanism is a lifting cylinder (16), the cylinder body of the lifting cylinder (16) is installed on the rack (1), and the output end of the lifting cylinder (16) is hinged to the pressing plate (3).