CN213381949U

CN213381949U - Promote die-cut device of LED circuit board of shock-absorbing capacity

Info

Publication number: CN213381949U
Application number: CN202022213995.3U
Authority: CN
Inventors: 郭玲玲
Original assignee: Ganzhou Hefeng Technology Co ltd
Current assignee: Ganzhou Hefeng Technology Co ltd
Priority date: 2020-10-08
Filing date: 2020-10-08
Publication date: 2021-06-08
Anticipated expiration: 2030-10-08

Abstract

The invention relates to an LED circuit board punching device for improving the buffering performance, which comprises a base and a lower die arranged at the top of the base, wherein a movable plate is arranged above the base, and the bottom of the movable plate is provided with a square cutter corresponding to the lower die, a circle of holding tank is arranged on the outer side wall of the movable plate, grooves are arranged on the inner top wall and the lower bottom wall of the holding tank, wherein a rubber buffer block is bonded in the upper groove, a rubber buffer ring is bonded in the lower groove, a nut is arranged between the buffer block and the buffer ring, wherein the top end of the square cutter is provided with a screw rod which sequentially penetrates through the bottom wall of the movable plate, the buffer ring and the nut from bottom to top, the inner side wall of the accommodating groove is also provided with a ring of metal reinforcing plate with Contraband-shaped section, wherein the upper and lower horizontal ends of the reinforcing plate are respectively provided with through holes for the corresponding buffer blocks and buffer rings to pass through, the bottom of the reinforcing plate is provided with a circle of surrounding edge which surrounds the lower half part of the movable plate and the square cutter. The invention has simple structure and convenient use.

Description

Promote die-cut device of LED circuit board of shock-absorbing capacity

Technical Field

The invention relates to the technical field of circuit board processing, in particular to an LED circuit board punching device for improving buffering performance.

Background

The punching press buffer structure of die-cut mould of current circuit board adopts the upper end bonding rubber slab of square cutter, and the upper end of rubber slab is installed on the fly leaf simultaneously, is driven down by the lift axle to the fly leaf, and the circuit board stock at the lower mould is placed to the downward tangent of square cutter, contacts the circuit board in-process, effectively delays the counter-impact force that square cutter received the circuit board feedback, protects square cutter, but the weak point that exists has: because of whole buffer structure is a rubber slab, its itself has impact deformation nature, and when square cutter cutting off circuit board upper end atress was inhomogeneous, can make the rubber slab have slight slope and warp, causes whole square cutter also can follow this slope and warp, and then makes the tangent plane of circuit board have crooked emergence.

Although the above problems are solved, the punching buffering structure of the circuit board punching die disclosed in CN209125976U has the following disadvantages, such as: 1. the square cutter is movably connected with the movable plate by inserting the square column into the square groove, so that when the movable plate drives the square cutter to move up and down, the square column slides out of the square groove, and finally the square cutter is separated from the movable plate, and the stability of the square cutter is insufficient; 2. people or foreign objects are easy to contact the square cutter or the square column, so that the working environment of the parts is influenced or the life safety of workers is influenced.

Disclosure of Invention

The invention aims to provide an LED circuit board punching device capable of improving the buffering performance.

The technical problem of the invention is mainly solved by the following technical scheme:

a light-emitting diode (LED) circuit board punching device for improving buffering performance comprises a base and a lower die arranged at the top of the base, wherein a movable plate is arranged above the base, a square cutter corresponding to the lower die is arranged at the bottom of the movable plate, a circle of accommodating groove is arranged on the outer side wall of the movable plate, grooves are formed in the inner top wall and the lower bottom wall of the accommodating groove, a rubber buffering block is bonded in the upper groove, a rubber buffering ring is bonded in the lower groove, a nut is arranged between the buffering block and the buffering ring, a screw rod sequentially penetrating through the bottom wall of the movable plate, the buffering ring and the nut from bottom to top is arranged at the top end of the square cutter, the screw rod is in threaded connection with the nut, the top end of the screw rod is bonded with the bottom end of the buffering block, a circle of metal reinforcing plate with a Contraband-shaped section is further arranged on the inner side wall of the, horizontal end extends to the fly leaf lateral wall under the reinforcing plate, and wherein the reinforcing plate bottom is provided with the surrounding edge that the round lived fly leaf lower half and square cutter circle, the base top still evenly is provided with the L type support frame that the multiunit is located the surrounding edge outside, and wherein it has blotter I to bond on the support frame top horizontal end, square cutter top still is provided with the buffer board, and wherein the buffer board bottom is passed through the connecting rod and is connected with square cutter top, and the blotter II has been bonded on the buffer board top.

Preferably, the bottom end of the surrounding edge is higher than the horizontal plane of the bottom end of the square cutter, and the bottom end of the surrounding edge is lower than the horizontal plane of the top end of the support frame.

Preferably, the bottom end of the buffer block is provided with a clamping groove for accommodating the top end of the screw rod.

Preferably, the upper end surface and the lower end surface of the nut are respectively tightly attached to the end surfaces of the bottom end of the corresponding buffer block and the top end of the corresponding buffer ring.

The invention has the beneficial effects that:

1. when the square cutter is used for cutting off a circuit board blank downwards, the plurality of groups of screws slide in the round holes which are formed in the movable plate and used for the square cutter to penetrate through so as to limit the square cutter to incline and move upwards under the upward abutting pressure of the circuit board, and the square cutter is enabled to keep the original horizontal state. And the in-process that shifts up at the screw rod can make its shrink through nut extrusion buffer block, thereby make buffer block and cushion circle play buffering cushioning effect to nut and screw rod, the counter impact force of feedback when the square cutter that slows down receives the circuit board and is cut off, the screw rod that removes passes through the nut increase and the area of contact between buffer block and the cushion circle is in order to reduce pressure, with this promote above-mentioned both through the nut in order to enlarge the buffering cushioning effect to screw rod and square cutter, the mode through nut locking is in order to fix screw rod and square cutter activity on the fly leaf simultaneously, make above-mentioned both be difficult for following the fly leaf landing.

2. According to the invention, the square cutter is surrounded by the surrounding edge to prevent foreign objects or workers from easily contacting the square cutter and the screw rod to damage the square cutter and the screw rod, and meanwhile, the invention has a positive effect on improving the working safety of the workers.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of a portion of the present invention;

fig. 3 is a schematic structural view of the reinforcing plate of the present invention.

In the figure: 1. the base, 2, lower mould, 3, fly leaf, 4, square cutter, 5, holding tank, 6, recess, 7, buffer block, 8, buffering circle, 9, nut, 10, screw rod, 11, draw-in groove, 12, reinforcing plate, 13, through-hole, 14, surrounding edge, 15, support frame, 16, blotter I, 17, buffer board, 18, connecting rod, 19, blotter II.

Detailed Description

The technical scheme of the invention is further specifically described by the following embodiments and the accompanying drawings 1-3.

The utility model provides a promote die-cut device of cushion performance's LED circuit board, includes base 1 and sets up lower mould 2 at base 1 top, wherein base 1 top is provided with

fly leaf

3, and 3 bottoms of fly leaf are provided with the square cutter 4 that corresponds lower mould 2, places the circuit board on lower mould 2 so, and the lift axle drives fly leaf 3 and square cutter 4 and moves down, makes square cutter 4 cutting off circuit board stock downwards.

Be provided with round holding tank 5 on the 3 lateral walls of fly leaf, all be provided with recess 6 on roof and the lower diapire in this holding tank 5, wherein the top recess 6 internal bonding has rubber buffer block 7, and the below recess 6 internal bonding has rubber buffer ring 8, blocks buffer block 7 and buffer ring 8 that correspond so through recess 6 in order to prevent that it from carrying out the horizontal drunkenness.

As shown in fig. 1 and 2, a nut 9 is disposed between the buffer block 7 and the buffer ring 8, and upper and lower end faces of the nut 9 are respectively attached to the bottom end of the corresponding buffer block 7 and the top end of the buffer ring 8, wherein a screw 10 sequentially penetrating through the bottom wall of the movable plate 3, the buffer ring 8 and the nut 9 is disposed at the top end of the square cutter 4, the screw 10 is screwed with the nut 9, wherein the top end of the screw 10 is attached to the bottom end of the buffer block 7, and a slot 11 for accommodating the top end of the screw 10 is disposed at the bottom end of the buffer block 7.

When the square cutter 4 cuts off the circuit board blank downwards in use, the plurality of groups of screws 10 slide in the round holes of the movable plate 3 for the square cutter to penetrate through so as to limit the square cutter 4 from inclining upwards due to the upward abutting pressure of the circuit board, and the square cutter 4 is kept in the original flat state.

And the buffer block 7 is extruded by the nut 9 to be contracted in the process that the screw 10 moves upwards, so that the buffer block 7 and the buffer ring 8 play a role in buffering and damping the nut 9 and the screw 10, the counter impact force fed back when the square cutter 4 is cut off by a circuit board is reduced, the contact area between the screw 10 moving in the process and the buffer block 7 and the buffer ring 8 is increased by the nut 9 to reduce the pressure, the buffer and damping effects on the screw 10 and the square cutter 4 are improved by the nut 9, and the screw 10 and the square cutter 4 are movably fixed on the movable plate 3 in a locking mode of the nut 9, so that the screw 10 and the square cutter are not easy to slide off the movable plate 3.

During specific installation, the nut 9 is arranged between the buffer block 7 and the buffer ring 8, then the screw 10 penetrates through the bottom wall of the movable plate 3 and the inner diameter of the buffer ring 8 and then is in threaded connection with the nut 9, and the nut 9 is further rotated to enable the screw 10 to move upwards so that the top end of the screw is inserted into the clamping groove 11.

And a circle of metal reinforcing plate 12 with Contraband-shaped cross section is adhered to the inner side wall of the accommodating groove 5, wherein through holes 13 for corresponding to the buffer block 7 and the buffer ring 8 to pass through are respectively formed on the upper and lower groups of horizontal ends of the reinforcing plate 12, and the lower horizontal end of the reinforcing plate 12 extends to the outer side wall of the movable plate 3, so that the strength of the accommodating groove 5 is enhanced through the reinforcing plate 12 to prevent the collapse of the accommodating groove and the overall strength of the movable plate 12 is enhanced.

In this embodiment, the bottom of the reinforcing plate 12 is provided with a circle of surrounding edge 14 enclosing the lower half part of the movable plate 3 and the square cutter 4, so that the square cutter 4 is enclosed by the surrounding edge 14 to prevent foreign objects or workers from easily contacting the square cutter 4 and the screw 10 to damage the same, and the bottom end of the surrounding edge 14 is higher than the horizontal plane of the bottom end of the square cutter 4, so that the normal cutting work of the square cutter 4 on the circuit board is not influenced.

Meanwhile, a plurality of groups of L-shaped support frames 15 located on the outer side of the surrounding edge 14 are evenly arranged on the top of the base 1, a cushion I16 is bonded on the horizontal end of the top of the support frame 15 and is lower than the horizontal plane of the top end of the support frame 15 at the bottom end of the surrounding edge 14, so that the surrounding edge 14 cannot be supported by the support frame 15 in the downward moving process to affect the normal downward moving action of the surrounding edge 14, meanwhile, the movable plate 3 drives the square cutter 4 to move downward and cut a circuit board, at the moment, the movable plate 3 can drive the reinforcing plate 12 to move downward and contact with the cushion I16, at the moment, the cushion I16 can buffer and damp the reinforcing plate 12 and the movable plate 3, and therefore the counter-impact force fed back when the square.

In this embodiment, a buffer plate 17 is further disposed on the top of the square cutter 4, wherein the bottom 17 end of the buffer plate is connected to the top end of the square cutter 4 through a connecting rod 18, and a buffer pad II19 is bonded to the top end of the buffer plate 17.

When the square cutter 4 cuts off the circuit board blank downwards, the square cutter 4 is pressed upwards by the circuit board to move upwards, the square cutter 4 drives the buffer plate 17 and the buffer cushion II19 to move upwards through the connecting rod 18, so that the distance between the movable plate 3 and the buffer cushion II19 is reduced, and the buffer cushion II19 can play a role in buffering when the movable plate and the buffer cushion II are contacted, so that the impact force fed back when the square cutter 4 is cut off by the circuit board is reduced.

The present invention has been described in detail, but the above description is only a preferred embodiment of the present invention, and is not to be construed as limiting the scope of the present invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.

Claims

1. A light-emitting diode (LED) circuit board punching device for improving buffering performance comprises a base and a lower die arranged at the top of the base, wherein a movable plate is arranged above the base, and a square cutter corresponding to the lower die is arranged at the bottom of the movable plate, the outer side wall of the movable plate is provided with a circle of accommodating groove, grooves are formed in the inner top wall and the lower bottom wall of the accommodating groove, a rubber buffering block is bonded in the upper groove, a rubber buffering ring is bonded in the lower groove, a nut is arranged between the buffering block and the buffering ring, a screw rod sequentially penetrating through the bottom wall of the movable plate, the buffering ring and the nut from bottom to top is arranged at the top end of the square cutter, the screw rod is in threaded connection with the nut, the top end of the screw rod is bonded with the bottom end of the buffering block, a circle of metal reinforcing plate with Contraband-shaped section is further arranged on the inner side wall of the accommodating groove, through, horizontal end extends to the fly leaf lateral wall under the reinforcing plate, and wherein the reinforcing plate bottom is provided with the surrounding edge that the round lived fly leaf lower half and square cutter circle, the base top still evenly is provided with the L type support frame that the multiunit is located the surrounding edge outside, and wherein it has blotter I to bond on the support frame top horizontal end, square cutter top still is provided with the buffer board, and wherein the buffer board bottom is passed through the connecting rod and is connected with square cutter top, and the blotter II has been bonded on the buffer board top.

2. The LED circuit board punching device for improving the buffering performance is characterized in that the bottom end of the surrounding edge is higher than the horizontal plane of the bottom end of the square cutter, and the bottom end of the surrounding edge is lower than the horizontal plane of the top end of the supporting frame.

3. The LED circuit board punching device for improving the buffering performance is characterized in that a clamping groove used for accommodating the top end of the screw rod is formed in the bottom end of the buffering block.

4. The LED circuit board punching device for improving the buffering performance as claimed in claim 1, wherein the upper and lower end faces of the nut are respectively tightly attached to the end faces of the bottom end of the buffering block and the top end of the buffering ring.