CN213378822U

CN213378822U - Box door plate corner forming mechanism of electric box

Info

Publication number: CN213378822U
Application number: CN202021800256.8U
Authority: CN
Inventors: 马灿明
Original assignee: Jiangsu Sha Zhou Electric Co ltd
Current assignee: Jiangsu Sha Zhou Electric Co ltd
Priority date: 2020-08-25
Filing date: 2020-08-25
Publication date: 2021-06-08
Anticipated expiration: 2030-08-25

Abstract

The utility model discloses a chamber door plate corner forming mechanism of electronic box, the chamber door plate includes a plurality of limit portions, bight has between every two adjacent limit portions, chamber door plate corner forming mechanism includes the frame, locate die block and press die in the frame, the die block includes the die block body, two locate the spacing portion on die block body length direction's the ascending both ends upper portion respectively, the one end lateral part on the die block body width direction inwards caves in and forms the depressed part, bight can the complex insert between two spacing portions and protrusion in the depressed part, press die can move and punch press on the case door plant along the direction that is close to the die block. The utility model discloses a chamber door board corner forming mechanism through set up the depressed part on the basement membrane body for four bights of the case door board that the punching press goes out have respectively with the same type groove of depressed part, thereby can make the limit portion between two adjacent bights can inwards buckle bigger angle when the turn-ups, thereby can make the turn-ups dodge the hinge when closing the chamber door.

Description

Box door plate corner forming mechanism of electric box

Technical Field

The utility model relates to a chamber door plate corner forming mechanism of electronic box.

Background

The electric box door is an important component for opening and closing the electric box, is connected to the electric box body through a hinge and plays a role in protecting components in the electric box body. The side of the box door is usually provided with a flange which is turned over towards the inside of the electric box, and the flange is perpendicular to the box door plate, so that when the box door is closed, the flange at the side where the box door is connected with the box body can interfere with the hinge, and the closing of the box door is influenced.

The current practice is to reserve a groove matched with the hinge on the flanging to avoid the interference of the flanging and the hinge when the box door is closed. However, the groove is reserved on the flanging, so that the processing of the box door is more complicated, the production efficiency is reduced, and the reserved groove can enable the box door to be closed and a gap is reserved between the box body, so that external impurities can enter the box body.

Disclosure of Invention

The utility model aims at overcoming the not enough of prior art, provide a chamber door board corner forming mechanism of electronic box.

In order to achieve the above purpose, the utility model adopts the technical scheme that:

the utility model provides a chamber door plate corner forming mechanism of electronic box, the chamber door plate includes a plurality of limit portions, has the bight between every two adjacent limit portions, chamber door plate corner forming mechanism includes the frame, locates die block and stamping die in the frame, the die block includes die block body, two and locates respectively the spacing portion on the last both ends upper portion of die block body length direction, the one end lateral part on the die block body width direction is inwards sunken to form the depressed part, bight can the complex insert two spacing portions between and protrusion in the depressed part, the stamping die can be along being close to the direction motion of die block and punching press in on the chamber door board.

Preferably, the recessed portion has a first side portion, a second side portion and a third side portion, which are connected in sequence, on two sides of the recessed portion, and a distance between the first side portions, a distance between the second side portions and a distance between the third side portions on two sides of the recessed portion gradually increase along a direction away from the bottom die body.

Further preferably, an extending direction of the first side portion coincides with a width direction of the bottom die body, an extending direction of the second side portion of each side is perpendicular to an extending direction of a side portion of a corresponding side of the corner portion, and an extending direction of the third side portion of each side makes an angle a with the extending direction of the side portion of the corresponding side of the corner portion, where 0 ° < a < 90 °.

Even more preferably, said angle a is 45 °.

Preferably, the two side portions on two sides of the corner portion can be respectively attached to one side wall of the two limiting portions, which are close to each other, in a matched manner.

Preferably, the box door panel corner forming mechanism further comprises a protruding part connected to the recessed part, and the protruding part is located below the corner part and matched with the corner part in shape.

Further preferably, the plane of the upper surface of the protrusion is located below the plane of the upper surface of the bottom die body.

Further preferably, the extending directions of two side edges of one end of the protruding portion, which is far away from the recessed portion, are respectively consistent with the extending directions of one side wall of the two limiting portions, which are close to each other.

Preferably, a limit area is formed between the two limit parts, the stamping die comprises a die body and a stamping part arranged at the bottom of the die body, and the stamping part can be embedded into the limit area in a matched mode.

Further preferably, the stamping die further comprises a buffer part arranged at the bottom of the die body, and the plane of the bottom surface of the buffer part is located below the plane of the bottom surface of the stamping part.

Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage: the corner forming mechanism of the box door plate of the utility model has the advantages that the concave parts are arranged on the bottom die body, so that four corners of the punched box door plate are respectively provided with the groove which is the same as the concave parts, the edge part between two adjacent corners can be bent inwards by a larger angle when the box door is turned, and the turned edge can be turned over to avoid the hinge when the box door is closed; and the box door plate is processed through the forming mechanism, so that the operation is simple, and the processing efficiency is ensured.

Drawings

Fig. 1 is a schematic structural diagram of a corner forming mechanism in an embodiment of the present invention;

FIG. 2 is a schematic cross-sectional view A-A of FIG. 1;

FIG. 3 is a schematic cross-sectional view B-B of FIG. 1.

In the figure: 1. a frame; 2. bottom die; 21. a bottom die body; 22. a limiting part; 23. a recessed portion; 23a, a first side portion; 23b, a second side portion; 23c, a third side; 3. stamping a die; 31. a mold body; 32. a punching part; 33. a buffer section; 4. a raised portion.

Detailed Description

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

The utility model relates to an innovation to the shaping of chamber door plate corner of electronic box, provided a forming mechanism of case door plant, through set up the depressed part on the die block body, make four bights of case door plant that the punching press was out have the type groove the same with the depressed part respectively, thus can make the edge between two adjacent bights can inwards buckle bigger angle when the turn-ups, thus can make the turn-ups avoid the hinge when closing the chamber door; and the box door plate is processed through the forming mechanism, so that the operation is simple, and the processing efficiency is ensured.

The door panel of the present embodiment includes a plurality of side portions, and each adjacent two side portions have a corner portion therebetween.

Referring to fig. 1-3, a box door corner forming mechanism of an electrical box is shown, the box door corner forming mechanism includes a frame 1, a bottom die 2 and a stamping die 3 disposed on the frame 1, the bottom die 2 includes a bottom die body 21, two limiting portions 22 respectively disposed at upper portions of two ends of the bottom die body 21 in a length direction, a side portion of one end of the bottom die body 21 in a width direction is recessed inwards to form a recessed portion 23, a corner portion can be inserted between the two limiting portions 22 in a matched manner and protrudes out of the recessed portion 23, and the stamping die 3 can move along a direction close to the bottom die 2 and stamp on a box door panel. Wherein, two edges of the two sides of the corner can be respectively fitted on the side walls of the two limiting parts 22 close to each other. So, insert between two spacing portions 22 with the bight of case door plant, make two spacing portions 22 support tight bight both sides, press die 3 pushing down afterwards, can go out the bight punching press with the same shape of depressed part 23, this shape can set up as required to the hinge can be avoided to the chamber door turn-ups after the shaping is suitable.

In the present embodiment, as shown in fig. 3, the recessed portion 23 has a first side portion 23a, a second side portion 23b and a third side portion 23c connected in sequence on both sides thereof, and the distance between the first side portions 23a on both sides, the distance between the second side portions 23b on both sides and the distance between the third side portions 23c on both sides gradually increase along a direction away from the bottom die body 21.

Preferably, the extending direction of the first side portion 23a coincides with the width direction of the bottom die body 21, the extending direction of the second side portion 23b of each side is perpendicular to the extending direction of the side portion of the corresponding side of the corner portion, and the extending direction of the third side portion 23c of each side makes an angle of 45 ° with the extending direction of the side portion of the corresponding side of the corner portion. Through the arrangement, when the box door is manufactured, the two first edges 23a, the two second edges 23b and the two third edges 23c can be welded together correspondingly respectively, the formed flanges can be gradually turned inwards to form different angles, and the turned angles are gradually increased from outside to inside. The flanging corresponding to the third edge 23c can incline at 45 degrees with the horizontal direction or the vertical direction, and the inclination enables the flanging to well avoid the hinge when the box door is closed; meanwhile, the turnover angle of the turned edge corresponding to the second edge part 23b is smaller, so that the gap between the turned edge and the box body can be reduced, and impurities are prevented from entering the box body; the corresponding turned edge of the first edge 23a is perpendicular to the box door plate, so that the tightness between the box door and the box body can be ensured when the box door is closed.

As shown in fig. 1 and 3, the door panel corner forming mechanism further includes a protrusion 4 connected to the recess 23, and the protrusion 4 is located below the corner and matches the shape of the corner. Further, the plane of the upper surface of the protrusion 4 is located below the plane of the upper surface of the bottom die body 2. Further, the extending directions of the two side edges of one end of the protruding portion 4 far away from the recessed portion 23 are respectively consistent with the extending directions of the side walls of the two limiting portions 22 close to each other. Through the setting of bellying 4, can play the auxiliary stay effect when stamping die 3 pushes down the bight, guarantee punching press quality.

In the present embodiment, a stopper region is formed between the two stopper portions 22. As shown in fig. 2, the press die 3 includes a die body 31, a press portion 32 provided at a bottom of the die body 31, and the press portion 32 is capable of fitting into a fitting limit region. Thus, the punching part 32 can be moved away from the stopper 22 during punching, and the punching effect can be ensured.

Preferably, the stamping die 3 further comprises a buffer portion 33 arranged at the bottom of the die body 31, and the plane of the bottom surface of the buffer portion 33 is located below the plane of the bottom surface of the stamping portion 32. In this embodiment, the buffer portion 33 is a nylon rod, which can be pressed against the bottom mold 2 in advance before the punching portion 32 punches the corner portion, so as to play a role of buffering, avoid the punching portion directly impacting the bottom mold 2 to cause damage to the equipment, and prolong the service life of the equipment.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims

1. The utility model provides a chamber door board corner forming mechanism of electronic box, the chamber door board includes a plurality of limit portions, has the bight between every two adjacent limit portions, its characterized in that: case door plant bight forming mechanism includes frame (1), locates die block (2) and press die (3) on frame (1), die block (2) are located respectively including die block body (21), two spacing portion (22) on die block body (21) length direction upper portion of both ends, the one end lateral part on die block body (21) width direction is inwards sunken to form depressed part (23), bight can the complex insert two spacing portion (22) between and protrusion in depressed part (23), press die (3) can be along being close to the direction motion of die block (2) and punching press in on the case door plant.

2. The door panel corner molding mechanism of an electrical box according to claim 1, wherein: the two sides of the concave part (23) are respectively provided with a first side part (23a), a second side part (23b) and a third side part (23c) which are sequentially connected, and the distance between the first side parts (23a), the distance between the second side parts (23b) and the distance between the third side parts (23c) on the two sides are gradually increased along the direction of keeping away from the bottom die body (21).

3. The door panel corner molding mechanism of an electrical box according to claim 2, wherein: the extending direction of the first side (23a) is consistent with the width direction of the bottom die body (21), the extending direction of the second side (23b) of each side is perpendicular to the extending direction of the side of the corresponding side of the corner, and the extending direction of the third side (23c) of each side forms an angle a with the extending direction of the side of the corresponding side of the corner, wherein 0 degrees < a < 90 degrees.

4. The door corner molding mechanism of an electrical box according to claim 3, wherein: the angle a is 45 °.

5. The door panel corner molding mechanism of an electrical box according to claim 1, wherein: the two side parts at two sides of the corner part can be respectively attached to one side wall of the two limiting parts (22) which are close to each other in a matched mode.

6. The door panel corner molding mechanism of an electrical box according to claim 1, wherein: case door plant corner forming mechanism still including connect in bellying (4) on depressed part (23), bellying (4) are located corner below and with the corner shape phase-match.

7. The door corner molding mechanism of an electrical box according to claim 6, wherein: the plane of the upper surface of the bulge (4) is positioned below the plane of the upper surface of the bottom die body (21).

8. The door panel corner molding mechanism of an electrical box according to claim 6 or 7, wherein: the extending directions of two side edges of one end, far away from the depressed part (23), of the protruding part (4) are respectively consistent with the extending directions of one side wall, close to the two limiting parts (22), of the two limiting parts.

9. The door panel corner molding mechanism of an electrical box according to claim 1, wherein: a limiting area is formed between the two limiting parts (22), the stamping die (3) comprises a die body (31) and a stamping part (32) arranged at the bottom of the die body (31), and the stamping part (32) can be embedded into the limiting area in a matched mode.

10. The door corner molding mechanism of an electrical box according to claim 9, wherein: the stamping die (3) further comprises a buffer part (33) arranged at the bottom of the die body (31), and the plane of the bottom surface of the buffer part (33) is positioned below the plane of the bottom surface of the stamping part (32).