CN218838013U

CN218838013U - Die cutting device for chamfering shading ring

Info

Publication number: CN218838013U
Application number: CN202222833962.8U
Authority: CN
Inventors: 祝丽媛; 祝训和; 金龙娥
Original assignee: Zhangzhou Jingyue Electronics Co ltd
Current assignee: Zhangzhou Jingyue Electronics Co ltd
Priority date: 2022-10-26
Filing date: 2022-10-26
Publication date: 2023-04-11
Anticipated expiration: 2032-10-26

Abstract

The utility model provides a chamfer shading ring die cutting device, which comprises a driving mechanism, a punching head, a bearing platform and a guide roller set, wherein the punching head is arranged above the bearing platform, the punching head is arranged at the output end of the driving mechanism, and the driving mechanism is used for driving the punching head to do vertical reciprocating motion; the upper end of the bearing platform is provided with an inner die cutting head and an outer die cutting head; an annular guide groove is formed in the bearing table and is located between the inner die cutting head and the outer die cutting head; a plurality of cutters are rotatably arranged in the annular guide groove, and the inner side wall of the annular guide groove is flush with the outer side wall of the inner die cutting head; the punching head is provided with a punching groove, and the inner side wall of the punching groove is in sliding connection with the outer side wall of the outer die cutting head. When the bearing table is punched by the punching head, the shading ring is integrally cut by the outer die cutting head of the punching groove box, the inner hole is punched by the inner die cutting head, and the chamfer is cut on the peripheral wall of the inner hole by the rotating cutter, so that the phenomenon that the inner wall reflects light to influence imaging when the shading ring is used is avoided.

Description

Die cutting device for chamfering shading ring

Technical Field

The utility model relates to a shading ring production technical field especially relates to a chamfer shading ring cutting device.

Background

The light blocking sheet, also called as a light blocking sheet, is used as a necessary light blocking element in the fields of cameras, mobile phone cameras and the like, aims to prevent stray light from entering a viewfinder to influence the imaging quality, is used for the light blocking sheet in the cameras, also called as a diaphragm, a light blocking ring, a mylar sheet and the like, and has a central inner hole as a light through hole.

The light rays are not always irradiated in parallel, and the light rays are crossed due to different intensities inside the light rays, so that the side wall of the central hole always reflects the light, and part of the light enters the imager. In the existing mode, light absorption materials are generally sprayed on the inner side wall of the central hole to reduce reflection, but along with the prolonging of the service time, the coating is easy to fall off by itself, so that the imaging of a camera is influenced.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present invention is directed to solving the above-described problems. An object of the utility model is to provide a chamfer stop washer cutting device in solving above problem can be accurate and cut out the chamfer on stop washer hole inside wall, produces the reflection to light when avoiding using, influences the formation of image.

To achieve the purpose, the utility model adopts the following technical proposal:

a die cutting device for a chamfer lightproof ring comprises a driving mechanism, a stamping head, a bearing table and guide roller sets, wherein the guide roller sets are symmetrically arranged on two sides of the bearing table; the upper end of the bearing platform is provided with an inner die cutting head and an outer die cutting head; an annular guide groove is formed in the bearing table and is located between the inner die cutting head and the outer die cutting head; a plurality of cutters are rotatably arranged in the annular guide groove, and the inner side wall of the annular guide groove is flush with the outer side wall of the inner die cutting head; the punching head is provided with a punching groove, and the inner side wall of the punching groove is in sliding connection with the outer side wall of the outer die cutting head. When the bearing table is stamped by the stamping head, the shading ring is integrally cut by the outer die cutting head of the stamping groove box, the inner hole is stamped and cut by the inner die cutting head, and the chamfer is cut on the peripheral wall of the inner hole by the rotating cutter, so that the inner wall can be prevented from reflecting light when the shading ring is used.

The utility model has the preferable technical proposal that an inner cavity is arranged in the bearing platform, the inner cavity is communicated with the annular guide groove, a rotating motor is fixedly arranged in the inner cavity, a connecting rod is fixedly arranged at the output end of the rotating motor, the end part of the connecting rod is fixedly connected with a sliding block, and the upper end of the sliding block is fixedly connected with a cutter; the rotating motor is also connected with a coaxial speed changer, and the upper end of the coaxial speed changer is fixedly connected with the bottom end of the inner die cutting head. The rotary motor rotates at high speed to drive the cutter to do circular motion along the annular guide groove, so as to cut.

The utility model has the preferable technical proposal that four cutters are arranged; the connecting rod is in a cross shape. Thereby accelerating the cutting speed of the cutter to the shading sheet.

The utility model discloses preferred technical scheme lies in, and the cutter is trapezoidal setting. In this way, chamfers with trapezoidal cross sections are cut out of the inner bore.

The utility model discloses preferred technical scheme lies in, the cutter is to the direction of rotation slope. Thereby facilitating the cutting of the chamfer.

The utility model discloses preferred technical scheme lies in, and the tank bottom of annular guide way is provided with the annular groove, is provided with a plurality of balls in the annular groove, the bottom and the ball roll connection of slider. Therefore, the friction mode generated between the sliding block and the annular guide groove is changed, the power consumption is reduced, and the stability is ensured.

The utility model discloses preferred technical scheme lies in, and the height that highly will be less than the centre form cutter head of cutter. The shading ring cut out in this way can leave part of the hole bottom.

The beneficial effects of the utility model are that:

the utility model provides a chamfer light-shading ring die cutting device, including actuating mechanism, punching press head, receiving platform and guide roller set, the bilateral symmetry of receiving platform is provided with guide roller set, and the punching press head sets up in the top of receiving platform, and the punching press head installation sets up on actuating mechanism's output, and actuating mechanism is used for driving the punching press head to be vertical reciprocating motion; the upper end of the bearing platform is provided with an inner die cutting head and an outer die cutting head; an annular guide groove is formed in the bearing table and is located between the inner die cutting head and the outer die cutting head; a plurality of cutters are rotatably arranged in the annular guide groove, and the inner side wall of the annular guide groove is flush with the outer side wall of the inner die cutting head; the punching head is provided with a punching groove, and the inner side wall of the punching groove is in sliding connection with the outer side wall of the outer die cutting head. When the bearing table is stamped by the stamping head, the shading ring is integrally cut by the outer die cutting head of the stamping groove box, the inner hole is stamped and cut by the inner die cutting head, and the chamfer is cut on the peripheral wall of the inner hole by the rotating cutter, so that the inner wall can be prevented from reflecting light when the shading ring is used.

Other characteristic features and advantages of the invention will become apparent from the following description of exemplary embodiments, which is to be read in connection with the accompanying drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention. In the drawings, like reference numerals are used to indicate like elements. The drawings in the following description are directed to some, but not all embodiments of the invention. For a person skilled in the art, other figures can be derived from these figures without inventive effort.

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

FIG. 2 is an enlarged schematic view of the present invention at A in FIG. 1;

FIG. 3 is a top view of the receiving platform of the present invention;

fig. 4 is a schematic sectional view of the cut shade ring of the present invention.

In the figure: 1. a drive mechanism; 2. punching a head; 3. a receiving table; 4. a guide roller set; 5. cutting the head of the inner die; 6. cutting the head of the outer die; 7. an annular guide groove; 8. a cutter; 9. punching a groove; 10. an inner cavity; 11. rotating the motor; 12. a connecting rod; 13. a slider; 14. a coaxial transmission; 15. an annular groove; 16. and a ball.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. 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. It should be noted that the embodiments and features of the embodiments in the present application may be arbitrarily combined with each other without conflict.

The technical solution of the present invention will be further described with reference to the accompanying drawings and examples.

As shown in fig. 1-3, the embodiment provides a die cutting device for a chamfer shading ring, which comprises a driving mechanism 1, a punching head 2, a receiving table 3 and a guide roller set 4, wherein the guide roller set 4 is symmetrically arranged on two sides of the receiving table 3, the punching head 2 is arranged above the receiving table 3, the punching head 2 is arranged on an output end of the driving mechanism 1, and the driving mechanism 1 is used for driving the punching head 2 to vertically reciprocate; the upper end of the bearing table 3 is provided with an inner die cutting head 5 and an outer die cutting head 6; an annular guide groove 7 is formed in the receiving table 3, and the annular guide groove 7 is located between the inner die cutting head 5 and the outer die cutting head 6; a plurality of cutters 8 are rotatably arranged in the annular guide groove 7, and the inner side wall of the annular guide groove 7 is flush with the outer side wall of the inner die cutting head 5; the punching head 2 is provided with a punching groove 9, and the inner side wall of the punching groove 9 is in sliding connection with the outer side wall of the outer die cutting head 6. Wherein actuating mechanism 1 adopts the combination of eccentric wheel motor group and vertical slide bar to do vertical motion with drive punching press head 2, and this is prior art, does not do more and describes. The material area is through 4 direction of both sides guide roll group between through accepting platform 3 and stamping head 2 to keep a bit tension, press the material area to accepting platform 3 when the stamping head 2 is vertical motion on, punch out the hole of light-shading ring through centre form cutting head 5 respectively, and mould 6 is cut off the light-shading ring from the material area on, so form a light-shading ring. Furthermore, the cutter 8 rotates to move along the circular guide groove 7 in the punching process, so that a chamfer is cut on the inner side wall close to the inner hole of the shading ring, and the phenomenon that the inner side wall of the inner hole reflects light rays and affects imaging is avoided.

An inner cavity 10 is formed in the receiving platform 3, the inner cavity 10 is communicated with the annular guide groove 7, a rotating motor 11 is fixedly arranged in the inner cavity 10, a connecting rod 12 is fixedly arranged at the output end of the rotating motor 11, a sliding block 13 is fixedly connected to the end portion of the connecting rod 12, and the upper end of the sliding block 13 is fixedly connected with the cutter 8; the rotating motor 11 is also connected with a coaxial speed changer 14, and the upper end of the coaxial speed changer 14 is fixedly connected with the bottom end of the inner die cutting head 5. The connecting rod 12 is driven to rotate by rotating the motor 11, so that the sliding block 13 is driven to rotate along the annular guide groove 7, and the cutter 8 rotates to cut the anti-dazzling screen to cut a chamfer. Wherein the internal die-cutting head 5 is supported after being decelerated by the coaxial speed changer 14, and can punch an inner hole better.

Preferably, four of the cutters 8 are provided; the connecting rod 12 is in a cross shape, is distributed in a cross shape by arranging the four cutters 8, and keeps the stability of the cutters 8 during rotation while improving the cutting speed, thereby improving the cutting precision.

Preferably, the cutting knife 8 is trapezoidal in shape. The cutter 8 is arranged in a trapezoid shape, so that the diameter of one end of the shading inner hole is gradually reduced towards the other end to form a chamfer.

Preferably, the cutting blade 8 is inclined to the direction of rotation. The 8 tool bits of cutter of slope can be better cut the light-shading ring.

Preferably, the bottom of the annular guide groove 7 is provided with an annular groove 15, a plurality of balls 16 are arranged in the annular groove 15, and the bottom of the slider 13 is in rolling connection with the balls 16. The annular groove 15 and the balls 16 are provided to allow the slider 13 to stably rotate at a high speed through the balls 16 while reducing friction and required power consumption.

Preferably, the height of the cutting knife 8 is lower than the height of the inner die-cutting head 5. The shading ring cut out in this way can leave the part partially sheltered from, avoids the whole inner hole to expose, also can avoid the angle between chamfer and the terminal surface department to burst easily.

The above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same, and the present invention has been described in detail only with reference to the preferred embodiments. It should be understood by those skilled in the art that various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. The utility model provides a chamfer shading ring cutting device which characterized in that:

the stamping device comprises a driving mechanism (1), a stamping head (2), a receiving table (3) and guide roller sets (4), wherein the guide roller sets (4) are symmetrically arranged on two sides of the receiving table (3), the stamping head (2) is arranged above the receiving table (3), the stamping head (2) is arranged on the output end of the driving mechanism (1), and the driving mechanism (1) is used for driving the stamping head (2) to do vertical reciprocating motion; the upper end of the bearing table (3) is provided with an inner die cutting head (5) and an outer die cutting head (6); an annular guide groove (7) is formed in the bearing table (3), and the annular guide groove (7) is located between the inner die cutting head (5) and the outer die cutting head (6); a plurality of cutters (8) are rotatably arranged in the annular guide groove (7), and the inner side wall of the annular guide groove (7) is flush with the outer side wall of the inner die cutting head (5); the punching head (2) is provided with a punching groove (9), and the inner side wall of the punching groove (9) is in sliding connection with the outer side wall of the outer die cutting head (6).

2. The apparatus as claimed in claim 1, wherein:

an inner cavity (10) is formed in the bearing table (3), the inner cavity (10) is communicated with the annular guide groove (7), a rotating motor (11) is fixedly arranged in the inner cavity (10), a connecting rod (12) is fixedly arranged at the output end of the rotating motor (11), a sliding block (13) is fixedly connected to the end portion of the connecting rod (12), and the upper end of the sliding block (13) is fixedly connected with the cutter (8); the rotating motor (11) is further connected with a coaxial speed changer (14), and the upper end of the coaxial speed changer (14) is fixedly connected with the bottom end of the inner die cutting head (5).

3. The apparatus as claimed in claim 2, wherein:

four cutters (8) are arranged; the connecting rod (12) is in a cross shape.

4. The apparatus as claimed in claim 1, wherein:

the cutter (8) is arranged in a trapezoidal shape.

5. The apparatus as claimed in claim 1, wherein:

the cutting knife (8) inclines towards the rotating direction.

6. The apparatus as claimed in claim 2, wherein:

the groove bottom of the annular guide groove (7) is provided with an annular groove (15), a plurality of balls (16) are arranged in the annular groove (15), and the bottom of the sliding block (13) is in rolling connection with the balls (16).

7. The apparatus as claimed in claim 1, wherein:

the height of the cutting knife (8) is lower than that of the inner die cutting head (5).