CN212792815U

CN212792815U - A mould for blanking of opto-coupler support

Info

Publication number: CN212792815U
Application number: CN202021319292.2U
Authority: CN
Inventors: 曾尚文; 陈久元; 杨利明; 李洪贞
Original assignee: Sichuan Jinghui Semiconductor Co ltd
Current assignee: Sichuan Jinghui Semiconductor Co ltd
Priority date: 2020-07-08
Filing date: 2020-07-08
Publication date: 2021-03-26
Anticipated expiration: 2030-07-08

Abstract

The utility model provides a mould for blanking of opto-coupler support, include: the device comprises a lower die and an upper die, and is characterized in that the upper die is provided with a middle die; the middle die is connected to the upper die through a guide screw, the middle die can slide along the axis of the guide screw so as to change the distance between the middle die and the upper die, an elastic element is arranged between the middle die and the upper die, a plurality of guide rods penetrate through the middle die, and the guide rods can penetrate through the lower die and the upper die in a clearance mode; and a punch is arranged on the bottom surface of the upper die and penetrates through the middle die. The problems of curling and irregular notch during blanking of the optical coupling support can be effectively avoided, and the optical coupling support can be easily demoulded.

Description

A mould for blanking of opto-coupler support

Technical Field

The utility model belongs to opto-coupler production and processing field especially relates to a mould for blanking of opto-coupler support.

Background

The process for manufacturing the positive and negative leads by using the same support in the production of the optical coupler needs to punch out the positive or negative part in the support, then the positive and negative leads are overlapped and assembled, most of the existing punching dies directly punch the leads by utilizing the matching of an upper die and a lower die when punching, and because the thickness of the optical coupler support is thinner, if a direct punching mode is adopted, the problems that the edge curling, the notch is irregular, a punch head blocks the optical coupler support to enable the optical coupler support not to easily fall off and the like are easily caused.

SUMMERY OF THE UTILITY MODEL

For solving prior art not enough, the utility model provides a mould for blanking of opto-coupler support is provided with middle mould, compresses tightly fixedly to the opto-coupler support through middle mould, and then the cooperation of mould and lower mould is gone up to the opto-coupler support in the rethread carries out the blanking, can guarantee the blanking quality of opto-coupler support, avoids turn-up and incision irregular problem, and the drift will withdraw at first after the blanking is accomplished, and middle mould makes the opto-coupler support drop smoothly as the obstacle.

In order to realize the purpose of the utility model, the following scheme is proposed:

a mould for optical coupling support blanking includes: the device comprises a lower die and an upper die, and is characterized in that the upper die is provided with a middle die;

the middle die is connected to the upper die through a guide screw, the middle die can slide along the axis of the guide screw so as to change the distance between the middle die and the upper die, an elastic element is arranged between the middle die and the upper die, a plurality of guide rods penetrate through the middle die, and the guide rods can penetrate through the lower die and the upper die in a clearance mode;

and a punch is arranged on the bottom surface of the upper die and penetrates through the middle die.

Further, go up the mould and connect in the roof, the lower mould is equipped with four stands, the roof slides and locates the stand, the stand all is equipped with the spring.

Furthermore, the elastic element comprises a guide post, the guide post is installed on the middle die, and a pressure spring is sleeved on the guide post.

Furthermore, the elastic elements are arranged in four positions in total and are arranged in a rectangular shape.

Furthermore, a connecting disc is arranged at the bottom of the guide column, a blind hole is machined in the middle die corresponding to the installation position of the elastic element, the connecting disc is arranged in the blind hole, and the connecting disc is lower than the surface of the middle die.

Furthermore, the guide screw is provided with a thread section, a guide section and a tightening head in sequence from front to back, the thread section is matched in the middle die, and a gap of the guide section penetrates through the upper die.

Furthermore, a counter bore is machined in the position, corresponding to the guide screw, of the upper die, and the depth of the upper section of the counter bore is larger than the thickness of the tightening head plus the gap between the upper die and the middle die.

Further, the punch is of a single design and is attached to the upper die by screws.

The beneficial effects of the utility model reside in that:

1. the problems of curling and irregular cut during blanking of the optocoupler support can be effectively avoided, the optocoupler support is firstly pressed on the lower die through the middle die during blanking, and then the upper die drives the punch to penetrate through the middle die to be matched with the lower die so as to complete blanking;

2. the optical coupler support can be demoulded easily;

3. the elastic element is used for separating the upper die from the middle die in a staggered manner, so that the middle die can be ensured to be firstly contacted with the optocoupler support in the blanking process, and then the blanking is started again;

4. the middle die is provided with a guide rod in a penetrating mode, the guide rod is matched with the upper die and the lower die at the same time, the consistency of the positions of the three die plates in the blanking process is guaranteed, and therefore the blanking quality is guaranteed.

Drawings

The drawings described herein are for illustrative purposes only of selected embodiments and not all possible implementations, and are not intended to limit the scope of the present disclosure.

Fig. 1 shows the overall construction of the present invention;

FIG. 2 illustrates a use state of the present invention;

FIG. 3 shows the configuration of the bottom surfaces of the upper and middle molds;

FIG. 4 shows a top configuration of the intermediate die;

FIG. 5 is a cross-sectional view showing the junction of the intermediate die and the upper die;

FIG. 6 shows the configuration of the guide screw;

FIG. 7 is an enlarged fragmentary view of the punch-upper die connection;

fig. 8 shows the structure of the opto-coupler bracket processed by the present invention.

The labels in the figure are: 10-lower die, 11-upright post, 12-spring, 20-upper die, 21-punch, 22-top plate, 23-counter bore, 30-middle die, 31-guide screw, 311-thread section, 312-guide section, 313-tightening head, 32-elastic element, 321-guide post, 322-pressure spring, 323-connecting disc, 33-guide rod, 34-guide hole, 35-avoiding plate and 36-spring seat hole.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings, but the described embodiments of the present invention are some embodiments of the present invention, not all embodiments.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship that the product of the present invention is usually placed when in use, and this is only for the convenience of description of the present invention and simplification of the description. The terms "first," "second," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance. The terms "parallel", "perpendicular", etc. do not require that the components be absolutely parallel or perpendicular, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; either directly or indirectly through intervening media, or through both elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Example 1

As shown in fig. 1 to 8, a die for blanking an optocoupler support includes a lower die 10, an upper die 20, and an intermediate die 30 disposed between the lower die 10 and the upper die 20, where the lower die 10, the upper die 20, and the intermediate die 30 are all rectangular structures.

Specifically, the middle die 30 is connected to the upper die 20 through a guide screw 31, a gap is reserved between the upper die 20 and the middle die 30 after the guide screw 31 is installed, and the middle die 30 can slide along the axis of the guide screw 31 to change the distance between the middle die 30 and the upper die 20; an elastic element 32 is arranged between the middle die 30 and the upper die 20, the elastic elements 32 are arranged at four positions in total and are arranged in a rectangular shape, and the elastic element 32 is used for spacing the upper die 20 from the middle die 30 so that the middle die 30 and the upper die 20 are sequentially pressed down when the die punches; guide rods 33 are arranged at four corners of the middle die 30 in a penetrating manner, the guide rods 33 can be arranged on the lower die 10 and the upper die 20 in a penetrating manner at intervals, and two ends of each guide rod 33 are not contacted with the upper die 20 or the lower die 10; an avoiding plate 35 is mounted at the bottom of the middle die 30, and the structure of the avoiding plate 35 is designed according to the profile of the optocoupler support shown in fig. 7, so as to avoid a protruding structure on the surface of the optocoupler support.

Specifically, the upper die 20 is provided with a punch 21 on the bottom surface, the punch 21 passes through the intermediate die 30, and a guide hole 34 corresponding to the cross-sectional shape of the punch 21 is formed in the position of the intermediate die 30 corresponding to the punch 21, because the length of the punch 21 is increased after the intermediate die 30 is increased, the guide hole 34 can ensure that the punch 21 is not deformed during the blanking process. In order to reduce the manufacturing cost and the later maintenance cost, the punch 21 is designed as a single body and is connected to the bottom surface of the upper die 20 through screws.

More specifically, the top surface of last mould 20 is connected in roof 22, be connected with the pressure that provides the blanking through roof 22 with the pressure equipment, the four corners of lower mould 10 is equipped with four stands 11, roof 22 slides and locates stand 11, make roof 22 drive go up mould 20 and middle mould 30 and remove along the axis of stand 11, stand 11 all overlaps and is equipped with spring 12, spring 12 adopts compression spring, spring 12 is located between lower mould 10 and the roof 22, the mould is convenient for part more than the lower mould 10 and lower mould 10 part when taking out the maintenance.

Example 2

The elastic element 32 comprises a guide post 321, a connecting disc 323 is arranged at the bottom of the guide post 321, a blind hole is processed on the top surface of the middle die 30 corresponding to the mounting position of the elastic element 32, the connecting disc 323 is fastened on the bottom surface of the blind hole through a screw, the connecting disc 323 is lower than the surface of the middle die 30, the upper surface of the middle die 30 is in direct contact with the lower surface of the upper die 20, the guide post 321 is sleeved with a pressure spring 322, a spring seat hole 36 is processed on the upper die 20 corresponding to the pressure spring 322, the top of the pressure spring 322 is in contact with the bottom surface of the spring seat hole 36, and when the middle die 30 is in contact with the upper die 20, the pressure spring 322 is compressed.

Example 3

The guide screw 31 is provided with a threaded section 311, a guide section 312 and a tightening head 313 in sequence from front to back, in this embodiment, the threaded section 311 is matched in the intermediate die 30, the threaded section 30 completely enters the intermediate die 30 after being tightened, the guide section 312 penetrates through the upper die 20 in a clearance mode, and the diameter of the guide section 312 is larger than the thread major diameter of the threaded section 311. The upper die 20 is provided with a counter bore 23 corresponding to the position of the guide screw 31, the lower section of the counter bore 23 is in clearance fit with the guide section 312, the depth of the upper section of the counter bore 23 is larger than the thickness of the tightening head 313 plus the clearance between the upper die 20 and the middle die 30, and the tightening head 313 cannot contact with the top plate 22 when the upper die 20 contacts with the middle die 30.

To briefly explain the working principle of the mold by combining the above figures, a predetermined gap exists between the upper mold 20 and the middle mold 30 under the action of the elastic element 32 before the operation, the top plate 22 is located at the high position of the mold to separate the middle mold 30 from the lower mold 10, the optocoupler support is placed into the predetermined position of the lower mold 10 manually or through a conveying device, the press-fitting device is started to drive the top plate 22 to move downwards, the avoiding plate 35 is firstly contacted with the optocoupler support, the top plate 22 continues to descend, the avoiding plate 35 gradually compresses the optocoupler support, and simultaneously the gap between the upper mold 20 and the middle mold 30 is gradually reduced, then the punch 21 begins to extend out and contacts with the optocoupler support to begin blanking until the upper die 20 is attached to the middle die 30, the blanking work is completed, then the top plate 22 rises, the punch 21 firstly breaks away from the optocoupler support, then the avoiding plate 35 is separated from the optocoupler support, and the blanking of the optocoupler support is completed.

The foregoing is only a preferred embodiment of the invention and is not intended to be the only or limiting embodiment of the invention. It should be understood by those skilled in the art that various changes and equivalent substitutions made herein may be made without departing from the scope of the invention as defined by the appended claims.

Claims

1. A mould for optical coupling support blanking includes: a lower die (10) and an upper die (20), characterized in that the upper die (20) is provided with a middle die (30);

the middle die (30) is connected to the upper die (20) through a guide screw (31), the middle die (30) can slide along the axis of the guide screw (31) to change the distance between the middle die (30) and the upper die (20), an elastic element (32) is arranged between the middle die (30) and the upper die (20), a plurality of guide rods (33) are arranged in the middle die (30) in a penetrating mode, and the guide rods (33) can penetrate through the lower die (10) and the upper die (20) in a clearance mode;

the bottom surface of the upper die (20) is provided with a punch (21), and the punch (21) penetrates through the middle die (30).

2. The die for blanking the optocoupler support as claimed in claim 1, wherein the upper die (20) is connected to a top plate (22), the lower die (10) is provided with four pillars (11), the top plate (22) is slidably disposed on the pillars (11), and the pillars (11) are all sleeved with springs (12).

3. A die for blanking of a light coupling bracket according to claim 1, characterized in that the elastic element (32) comprises a guiding stud (321), the guiding stud (321) is mounted to the intermediate die (30), and the guiding stud (321) is sleeved with a pressure spring (322).

4. A die for blanking an optocoupler support according to claim 1 or 3, characterized in that the resilient elements (32) are provided in total four in a rectangular arrangement.

5. The die for blanking the optically coupled bracket as recited in claim 3, wherein a connecting disc (323) is arranged at the bottom of the guiding column (321), a blind hole is formed in the middle die (30) corresponding to the installation position of the elastic element (32), the connecting disc (323) is arranged in the blind hole, and the connecting disc (323) is lower than the surface of the middle die (30).

6. The die for blanking of the optically coupled bracket as recited in claim 1, wherein the guiding screw (31) is provided with a threaded section (311), a guiding section (312) and a tightening head (313) in sequence from front to back, the threaded section (311) is fitted in the middle die (30), and the guiding section (312) passes through the upper die (20) with clearance.

7. The die for blanking of the optically coupled bracket as recited in claim 6, characterized in that a counter bore (23) is processed on the upper die (20) corresponding to the position of the guide screw (31), and the depth of the upper section of the counter bore (23) is larger than the thickness of the tightening head (313) plus the gap between the upper die (20) and the middle die (30).

8. A die for blanking of optocoupler supports according to claim 1, characterized in that the punch (21) is of single design, attached to the upper die (20) by screws.