CN212352292U

CN212352292U - Punching structure of flexible circuit board

Info

Publication number: CN212352292U
Application number: CN202020909502.7U
Authority: CN
Inventors: 李小闲
Original assignee: Zhuhai Ruisheng Electronic Technology Co ltd
Current assignee: Zhuhai Ruisheng Electronic Technology Co ltd
Priority date: 2020-05-26
Filing date: 2020-05-26
Publication date: 2021-01-15
Anticipated expiration: 2030-05-26

Abstract

The utility model provides a die-cut structure of flexible circuit board, including die-cutting mechanism and mounting fixture, the last component assorted holding tank of a plurality of and flexible circuit board of having seted up of mounting fixture, the last cutting groove that has still been seted up of mounting fixture, cut cutting groove and die-cutting mechanism and match, die-cutting mechanism includes fixing base and die-cut sword, near fixing base middle part is equipped with vertical spout, the gliding installation of die-cut sword is in the spout, the vertical motion of channel direction of spout is followed to the die-cut sword, fixing base lower surface and flexible circuit board upper surface edge butt, during the beginning, the die-cut sword is located the spout top. The utility model discloses a welded component can be acceptd in the setting of holding tank for flexible circuit board can not receive electronic component gravity influence and lead to crooked, the phenomenon of empting, has improved work efficiency and yield, fixes the circuit board when can ensure die-cut simultaneously through the setting of fixing base, prevents the incision skew.

Description

Punching structure of flexible circuit board

Technical Field

The utility model relates to a die-cut technical field of electronic product, concretely relates to die-cut structure of flexible circuit board.

Background

One of the technical difficulties of flexible circuit boards is cutting. Because the flexible circuit board is soft, the flexible circuit board is easy to deform and bend after being welded with electronic components. The utility model discloses a utility model patent that publication number is CN206510141U discloses die-cut device of flexible circuit board specifically discloses including die-cut mould and supplementary anchor clamps, … … set up a plurality ofly on the anchor clamps template and the flexible circuit board component assorted holding tank, still set up die-cut edge of a knife and dodge the mouth in the anchor clamps template, it is right when the flexible circuit board carries out die-cut operation, the flexible circuit board is placed in the upper surface of anchor clamps template, just last component holding of flexible circuit in the holding tank, the cell wall of holding tank is used for supporting the component of flexible circuit board, and it is right to go up the down completion of mould on the die-cut mould the die-cut of flexible circuit board. Above-mentioned patent can solve the flexible circuit board through the setting of holding tank and receive electronic component gravity influence and crooked, empty phenomenon, therefore can adopt earlier the whole piece welding operation mode die-cut again to work efficiency and yield have been improved, but behind die-cut sword contact circuit board, because flexible circuit board's soft characteristic, the circuit board can remove along with die-cut sword, lead to the incision skew.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem that the cut deviates when the flexible circuit board is punched in the prior art.

The utility model provides a die-cut structure of flexible circuit board, including die-cutting mechanism and mounting fixture, the last component assorted holding tank of a plurality of and flexible circuit board of having seted up of mounting fixture, the last cutting groove of still having seted up of mounting fixture, cut cutting groove and die-cutting mechanism matching, die-cutting mechanism includes fixing base and die-cut sword, near fixing base middle part is equipped with vertical spout, the gliding installation in the spout of die-cut sword, the vertical motion of the channel direction of die-cut sword along the spout, fixing base lower surface and flexible circuit board upper surface edge butt, when die-cut sword is located the spout bottom, the edge of a knife protrusion fixing base lower surface of die-cut sword, when die-cut sword is located the spout top, the edge of a knife of die-cut sword is located the fixing base, and during the initiation, the die-cut sword is located.

Furthermore, a buffer spring is arranged in the sliding groove, one end of the buffer spring is fixedly connected with the bottom end of the sliding groove, and the other end of the buffer spring is fixedly connected with the lower surface of the cutter handle of the punching cutter.

Furthermore, a plurality of rollers are symmetrically arranged on two sides of the sliding groove and are in rolling connection with a knife handle of the punching knife.

Furthermore, an elastic gasket is arranged on the lower surface of the fixing seat.

Furthermore, a positioning boss is arranged on the fixing seat, and a positioning groove matched with the positioning boss is arranged on the fixing clamp.

Furthermore, a switch for controlling the punching knife to be opened and closed is installed in the positioning groove, when the positioning boss contacts the switch, the punching knife is started, otherwise, the punching knife is not started.

The utility model has the advantages that:

1. the utility model discloses in, welded component can be acceptd through the setting of holding tank for flexible circuit board can not receive electronic component gravity influence and lead to crooked, the phenomenon of empting, therefore can adopt earlier to carry out the whole piece welding and die-cut operation mode again, has improved work efficiency and yield, fixes the circuit board when can ensureing die-cut through the setting of fixing base simultaneously, prevents the incision skew.

2. The utility model discloses in, through buffer spring's setting, can be after accomplishing die-cut operation, make die-cut sword withdraw the fixing base under the spring action in, prevent that the die-cut sword from exposing the incident that causes, protection die-cut sword that simultaneously can be better.

3. The utility model discloses in, through the setting of gyro wheel, can reduce the gliding frictional resistance of handle of a knife of die-cutting sword.

4. The utility model discloses in, through resilient gasket's setting, can make fixing base and flexible circuit board be soft contact, ensure that the flexible circuit board surface can not damage, also enable the flexible circuit board simultaneously and fix more firmly.

5. The utility model discloses in, through location boss and positioning groove's cooperation setting, can make things convenient for quick offset cutter to fix a position with cutting cut groove, guarantee the notched accuracy of flexible circuit board, improve cutting efficiency simultaneously.

6. The utility model discloses in, through the setting of switch in the positioning groove, can effectively avoid the incident that causes because of die-cut sword starts in the positioning debugging process, protection die-cutting knife that simultaneously can be better.

Drawings

Fig. 1 is the overall structure schematic diagram of the non-operating state of the present invention.

Fig. 2 is the overall structure diagram of the working state of the present invention.

Fig. 3 is a schematic structural view of the fixing jig.

Fig. 4 is a schematic view of a mounting structure of the fixing base.

Fig. 5 is a schematic structural view of the punching mechanism when the punching blade slides to the bottom end of the chute.

Fig. 6 is a front view of the piercing cutter of the piercing mechanism sliding to the bottom end of the chute.

Fig. 7 is a schematic view of the structure of the punching mechanism when the punching blade slides to the top end of the sliding chute.

Fig. 8 is a front view of the piercing cutter of the piercing mechanism sliding to the top end of the chute.

Reference numerals: 1. the punching mechanism 11, the fixing seat 111, the sliding groove 112, the elastic gasket 113, the positioning boss 12, the punching cutter 2, the fixing clamp 21, the accommodating groove 22, the cutting groove 23, the positioning groove 24, the switch 3, the buffer spring 4 and the roller.

Detailed Description

In the following, the technical solutions in the embodiments of the present invention are 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 the skilled in the art without creative work belong to the protection scope of the present invention.

The utility model discloses specific embodiment adopts following technical scheme: as shown in fig. 1, 2, 3, and 4, the cutting device includes a punching mechanism 1 and a fixing clamp 2, the fixing clamp 2 is a horizontal fixing table, the upper surface of the fixing clamp is provided with a plurality of accommodating grooves 21 matching with components on the flexible circuit board, the fixing clamp 2 is further provided with a cutting groove 22 near the middle portion, the punching mechanism 1 is mounted above the fixing table through a bracket or other methods, the punching mechanism 1 includes a fixing base 11 and a punching knife 12, the cutting groove 22 is matched with the punching knife 12, the fixing base 11 includes two side plates arranged along the length direction of the flexible circuit board and a connecting rod connecting the two side plates, a vertical sliding groove 111 is provided near the middle portion of the two side plates, two ends of the punching knife 12 are connected with knife handles, the knife handles are slidably mounted in the sliding groove 111, as shown in fig. 5 and 6, when the punching knife 12 slides to the bottom end of the sliding groove 111, the edge of the punching knife 12 can protrude out of the lower surface of the fixed seat 11 and cut off the flexible circuit board, as shown in fig. 7 and 8, when the punching knife 12 slides to the top end of the sliding groove 111, the edge of the punching knife 12 is completely retracted into the fixed seat 11, and through the arrangement, the punching work can be smoothly carried out, and meanwhile, the safety can be ensured.

The specific working process is that firstly, the flexible circuit board is placed on the fixing clamp 2, the electronic elements welded on the flexible circuit board are matched with the corresponding accommodating grooves 21, then the position of the punching mechanism 1 is adjusted, the punching mechanism 1 is moved downwards in a manual or automatic mode, two side plates of the fixed seat 11 are firstly contacted with the flexible circuit board and tightly press and fix the edge of the flexible circuit board, then the punching knife 12 is started and slides downwards, the knife edge slides out of the lower surface of the fixed seat 11 and carries out punching operation on the flexible circuit board, after the punching operation is finished, the punching knife 12 stops and is retracted into the fixed seat 11, because both ends of the flexible circuit board are pressed and fixed by the fixing seats 11 in the punching process, the flexible circuit board always has tension in the process, and the flexible circuit board cannot move along with the knife edge when the punching knife 12 moves, so that the knife edge cannot deviate.

As shown in fig. 4 and 7, preferably, a buffer spring 3 is arranged in the sliding groove 111, one end of the buffer spring 3 is fixedly connected with the bottom end of the sliding groove 111, the other end of the buffer spring 3 is fixedly connected with the lower surface of the handle of the punching knife 12, the buffer spring 3 is in a compressed state initially, and the elastic force of the buffer spring 3 is greater than the gravity of the punching knife 12, so that the punching knife 12 can move upwards under the action of the elastic force of the buffer spring 3 under the condition of no external force until the punching knife is abutted against the top end of the sliding groove 111, and the punching knife 12 can be automatically retracted into the fixing seat 11.

As shown in fig. 1 and 4, preferably, a plurality of rollers 4 are symmetrically arranged on two sides of the sliding groove 111, the rolling direction of the rollers 4 is consistent with the channel direction of the sliding groove 111, the knife handle of the punching knife 12 can move freely under the driving of the rollers 4, and the sliding friction can be changed into the rolling friction through the arrangement of the rollers 4, so that the punching knife 12 can move more smoothly and more labor-saving.

As shown in fig. 5 and 7, preferably, the elastic gasket 112 is installed on the lower surface of the fixing base 11, so that the fixing base 11 and the flexible circuit board are in soft contact, the surface of the flexible circuit board is not damaged when the fixing base 11 is fixed, and the flexible circuit board is fixed more firmly.

As shown in fig. 3 and 5, preferably, the fixing base 11 is provided with a positioning boss 113, the fixing clamp 2 is provided with a positioning groove 23 matched with the positioning boss 113, and when debugging, the positioning of the punching cutter 12 and the cutting groove 22 can be realized only by matching the corresponding positioning boss 113 with the positioning groove 23, which is convenient and fast; in addition, a switch 24 for controlling the on-off of the punching knife 12 is installed in the positioning groove 23, and only when the positioning boss 113 contacts with the switch 24 in the corresponding positioning groove 23, the punching knife 12 can be opened for punching operation, so that the problem that the punching knife 12 is started due to misoperation during debugging work, so that the injury to a debugging person and the damage to the punching knife 12 are caused can be effectively avoided.

Finally, the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and other modifications or equivalent replacements made by the technical solutions of the present invention by those of ordinary skill in the art should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.

Claims

1. The utility model provides a die-cut structure of flexible circuit board, includes die-cut mechanism (1) and mounting fixture (2), set up a plurality of holding tanks (21) with the component assorted on the flexible circuit board on mounting fixture (2), still seted up cutting groove (22) on mounting fixture (2), cutting groove (22) and die-cut mechanism (1) match, its characterized in that, die-cut mechanism (1) includes fixing base (11) and die-cut sword (12), near fixing base (11) middle part is equipped with vertical spout (111), slidable the installation in spout (111) of die-cut sword (12), vertical motion of die-cut sword (12) along the channel direction of spout (111), fixing base (11) lower surface and flexible circuit board upper surface edge butt, when die-cut sword (12) are located spout (111) bottom, the edge of die-cut sword (12) bulges fixing base (11) lower surface, when the punching knife (12) is positioned at the top end of the sliding chute (111), the knife edge of the punching knife (12) is positioned in the fixed seat (11), and initially, the punching knife (12) is positioned at the top end of the sliding chute (111).

2. The flexible circuit board punching structure according to claim 1, wherein a buffer spring (3) is arranged in the sliding groove (111), one end of the buffer spring (3) is fixedly connected with the bottom end of the sliding groove (111), and the other end of the buffer spring is fixedly connected with the lower surface of the handle of the punching knife (12).

3. The flexible circuit board punching structure according to claim 1, wherein a plurality of rollers (4) are symmetrically arranged on two sides of the sliding groove (111), and the rollers (4) are in rolling connection with a handle of the punching knife (12).

4. A flexible circuit board blanking structure according to claim 1, characterized in that an elastic washer (112) is mounted on the lower surface of the fixing base (11).

5. The structure of any one of claims 1 to 4, wherein a positioning boss (113) is provided on the fixing base (11), and a positioning groove (23) matched with the positioning boss (113) is provided on the fixing clamp (2).

6. The flexible circuit board punching structure according to claim 5, wherein a switch (24) for controlling the punching blade (12) to open and close is installed in the positioning groove (23), and when the positioning boss (113) contacts the switch (24), the punching blade (12) is started, otherwise, the punching blade (12) is not started.