CN209903361U

CN209903361U - Single bond class membrane switch cutting die

Info

Publication number: CN209903361U
Application number: CN201920744217.1U
Authority: CN
Inventors: 孟斌
Original assignee: Jieka Xiamen Industrial Technology Co Ltd
Current assignee: Jieka Xiamen Industrial Technology Co Ltd
Priority date: 2019-05-22
Filing date: 2019-05-22
Publication date: 2020-01-07
Anticipated expiration: 2029-05-22

Abstract

The utility model relates to a single bond type membrane switch cutting die, including base plate and the cutting edge of setting on the base plate, the cutting edge includes outer cutting edge and sets up the inboard interior cutting edge of outer cutting edge, outer cutting edge is rectangle and length direction both ends are equipped with U type notch, interior cutting edge includes first cutting edge unit and the second cutting edge unit that the parallel set up, the number of lines of first cutting edge unit is the same with the number of lines of second cutting edge unit, first cutting edge unit includes the circular cutting edge by 4 close adjacent settings, second cutting edge unit is including the circular cutting edge that the dispersion set up, circular cutting edge arranges and extends to outer cutting edge length direction both ends, the inside spring leaf that is equipped with of circular cutting edge, the spring leaf end exposes in the circular cutting edge top. Have simple structure rationally, the effectual advantage of shaping, solve current single bond class membrane switch cutting die at die-cut in-process, stable in structure and pleasing to the eye unable unified, die-cut problem that leads to the product to be cut off deeply.

Description

Single bond class membrane switch cutting die

Technical Field

The utility model relates to a cutting die technical field, concretely relates to single bond type membrane switch cutting die.

Background

The membrane switch needs to be cut according to the set shape and size in the secondary processing process of the membrane switch, and the punching through a cutting die is the most common mode.

Only a key position type and the more membrane switch cutting die of quantity, because the key position type is single, it is more in quantity, the shape of die-cutting satisfies pleasing to the eye and user demand in order to guarantee the cutting die, often sacrifice the stability on the structural arrangement, current membrane switch cutting die is simultaneously owing to not set up buffer structure, die-cut too deeply appears easily, the product is by the problem of cutting off, the product yields reduces, therefore, it is pleasing to the eye to provide a die-cut shape, stable in structure, die-cut effectual, the high single bond class membrane switch cutting die of yields is the technical problem that technical staff in the field awaits the solution urgently.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a single bond type membrane switch cutting die has simple structure rationally, and the effectual advantage of shaping solves current single bond type membrane switch cutting die at die-cut in-process, stable in structure and pleasing to the eye unable unified, die-cut problem that leads to the product to be cut off deeply.

(II) technical scheme

In order to solve the technical problem, the utility model provides a following technical scheme: the utility model provides a single bond class membrane switch cutting die, includes the base plate and sets up the cutting edge on the base plate, the cutting edge includes outer cutting edge and sets up the inboard interior cutting edge of outer cutting edge, outer cutting edge is rectangle and length direction both ends are equipped with U type notch, interior cutting edge includes first cutting edge unit and the second cutting edge unit that sets up in parallel, the number of lines of first cutting edge unit is the same with the number of lines of second cutting edge unit, first cutting edge unit includes the circular cutting edge by 4 close adjacent settings, second cutting edge unit is including the circular cutting edge that the dispersion set up, circular cutting edge arranges and extends to outer cutting edge length direction both ends, the inside spring leaf that is equipped with of circular cutting edge, the spring leaf end expose in circular cutting edge top.

Preferably, the number of rows of U-shaped recesses is the same as the number of rows of first blade units.

Preferably, the distance between the circular blades of the second blade unit is gradually increased in a direction away from the first blade unit.

Preferably, the circular blades of the second blade unit have the same pitch.

Preferably, the knife also comprises a third blade unit arranged at the tail end of the second blade unit, and the third blade unit and the second blade unit are arranged in parallel and have a distance larger than that between the second blade units.

(III) advantageous effects

Compared with the prior art, the utility model provides a single bond class membrane switch cutting die possesses following beneficial effect:

(1) the single-key membrane switch cutting die is matched with an inner cutting edge and an outer cutting edge to form a preset punching shape, wherein the outer cutting edge forms the whole appearance, the inner cutting edge comprises a first cutting edge unit and a second cutting edge unit which are arranged in parallel, an inner key position shape is formed through punching, and each structural function is clear and reasonable in arrangement;

(2) the spring piece is arranged in the circular cutting edge of the cutting die, and the top end of the spring piece is higher than that of the circular cutting edge, so that the stamping stress is effectively dispersed, the die damage is reduced, and the stamping forming effect is improved through the buffering of the spring piece in the stamping process;

(3) the row number of the first blade units is the same as that of the second blade units, the first blade units and the second blade units are arranged in parallel, the circular blades are arranged and extend to two ends of the outer blade in the length direction, the whole structure is regular and full, the punching shape is attractive, and the punching stress can be effectively dispersed on each circular blade, so that the whole structure is attractive;

(4) the U type notch of outer cutting edge can be fixed a position with the location structure cooperation of module, avoids stamping process in the cutting die to rock, and overall structure is more stable, promotes die-cut shaping effect.

Drawings

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

fig. 2 is a top view of the present invention.

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.

Please refer to fig. 1 and fig. 2, wherein fig. 1 is a schematic structural diagram of the present invention, and fig. 2 is a top view of the present invention.

The utility model provides a single bond type membrane switch cutting die, including base plate 1 and integrated into one piece cutting edge on base plate 1, the cutting edge includes outer cutting edge 2 and sets up the interior cutting edge at outer cutting edge 2 inboard, forms predetermined die-cut shape through the cooperation of inside and outside cutting edge 2, wherein, outer cutting edge 2 moulds whole appearance, interior cutting edge includes the first cutting edge unit a and the second cutting edge unit b that set up side by side, forms the shape of interior key position through die-cutting, each structural function is clear and set up rationally; the outer cutting edge 2 is rectangular, the two ends in the length direction are provided with the U-shaped notches 20, the U-shaped notches 20 of the outer cutting edge 2 can be matched and positioned with the positioning structure of the module, the cutter die is prevented from shaking in the stamping process, the overall structure is more stable, and the punching forming effect is improved; the row number of the first blade units a is the same as that of the second blade units b, the first blade units a comprise 4 circular blades 3 which are arranged closely, the second blade units b comprise circular blades 3 which are arranged in a scattered manner, the circular blades 3 are arranged and extend to two ends of the outer blade 2 in the length direction, the row number of the first blade units a is the same as that of the second blade units b and are arranged in parallel, the circular blades 3 are arranged and extend to two ends of the outer blade 2 in the length direction, the whole structure is regular and full, the punching shape is attractive, punching stress can be effectively dispersed on each circular blade 3, and the whole structure is attractive; the inside spring leaf 4 that is equipped with of circular cutting edge 3, 4 terminal exposes in circular cutting edge 3 tops of spring leaf, through the buffering of spring leaf 4 in die-cut in-process, has effectively dispersed stamping stress, reduces the mould damage, improves die-cut shaping effect.

In order to further beautify the punched shape, the number of rows of the U-shaped notches 20 is the same as that of the first blade units a, so that a plate type with regular row directions is formed, and the stability of the whole structure is further improved.

In a preferred embodiment of the second blade unit b, the pitch of the circular blades 3 of the second blade unit b is gradually increased in a direction away from the first blade unit a, so that punched shapes arranged radially are punched to accommodate the dispersed key positions.

In another preferred embodiment of the second blade unit b, the circular blades 3 of the second blade unit b have the same pitch, so as to form an array-type punching shape, which meets the requirement of membrane switches requiring regular key positions.

In order to enrich the appearance of the punched shape on the basis of ensuring the stable structure, the cutting die further comprises a third blade unit c arranged at the tail end of the second blade unit b, and the third blade unit c and the second blade unit b are arranged in parallel and the distance between the third blade unit c and the second blade unit b is larger than that between the second blade units b.

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 single bond type membrane switch cutting die, includes the base plate and sets up the cutting edge on the base plate, its characterized in that, the cutting edge includes outer cutting edge and sets up the inboard interior cutting edge of outer cutting edge, outer cutting edge is rectangle and length direction both ends and is equipped with U type notch, interior cutting edge includes first cutting edge unit and the second cutting edge unit that sets up in parallel, the number of lines of first cutting edge unit is the same with the number of lines of second cutting edge unit, first cutting edge unit includes the circular knife edge by 4 close adjacent settings, second cutting edge unit is including the circular knife edge that the dispersion set up, circular knife edge arranges and extends to outer cutting edge length direction both ends, the inside spring leaf that is equipped with of circular knife edge, the spring leaf end expose in the circular knife edge top.

2. The single-key membrane switch cutting die of claim 1, wherein: the number of rows of the U-shaped notches is the same as that of the rows of the first blade units.

3. The single-key membrane switch cutting die of claim 1, wherein: the distance between the circular blades of the second blade unit is gradually increased in a direction away from the first blade unit.

4. The single-key membrane switch cutting die of claim 1, wherein: the circular blades of the second blade units are spaced at the same interval.

5. The single-key membrane switch cutting die of claim 2, wherein: the knife edge device is characterized by further comprising a third knife edge unit arranged at the tail end of the second knife edge unit, wherein the third knife edge unit and the second knife edge unit are arranged in parallel, and the distance between the third knife edge unit and the second knife edge unit is larger than that between the second knife edge units.