CN212944931U

CN212944931U - Special die for processing oblique edge of distribution box door plate

Info

Publication number: CN212944931U
Application number: CN202021067294.7U
Authority: CN
Inventors: 何鸿辉
Original assignee: Chongqing Boshun Electric Co ltd
Current assignee: Chongqing Boshun Electric Co ltd
Priority date: 2020-06-10
Filing date: 2020-06-10
Publication date: 2021-04-13
Anticipated expiration: 2030-06-10

Abstract

The utility model relates to a stamping die technical field specifically discloses block terminal door plant hypotenuse processing special mould, including last die head and die holder, it is equipped with protruding die surface to go up die head bottom symmetry, and protruding die surface includes the protruding limit and sets up the side in protruding limit both sides, forms the hypotenuse between protruding limit and the side, and the equipartition has a plurality of trompil drifts on the protruding edge, all is equipped with the lockhole drift on two sides that are close to last die head central line, is equipped with the die groove that matches with protruding die surface on the die holder, and the first chamber that holds that supplies the trompil drift to get into is seted up to the bottom in die groove, sets up the second that supplies the lockhole drift to get. Adopt the technical scheme in this patent not only to improve the efficiency of door plant production, still make the life extension of mould simultaneously.

Description

Special die for processing oblique edge of distribution box door plate

Technical Field

The utility model relates to a stamping die technical field, in particular to block terminal door plant hypotenuse processing special mould.

Background

The high-voltage distribution box is an electrical appliance product which is used for power generation, power transmission, power distribution, electric energy conversion and consumption of a power system and plays roles of on-off, control or protection and the like, has a voltage grade of 3.6-550 kV, and mainly comprises a high-voltage circuit breaker, a high-voltage isolating switch, a grounding switch, a high-voltage automatic reclosing and sectioning device, a high-voltage switch cabinet and the like.

Because electrical apparatus during operation can produce certain heat in the block terminal, consequently need set up the louvre on tank wall or chamber door, but if the block terminal is used in the environment outdoor more abominable, external dust at this time, inside the louvre can be followed to the reptile etc. and the box is entered into, thereby influence the work of electrical apparatus, consequently usual way is exactly to bond the filter layer in louvre department, but such mode, the filter layer can occupy the inside space of box, consequently, in order not to occupy the inside space of box, there is the chamber door to carry out the punching press at present, make and form outside arch on it, the arch forms the hypotenuse with other places of chamber door, and the louvre is seted up in the arch, but such mode has increased the process steps of chamber door production again, the efficiency descends.

SUMMERY OF THE UTILITY MODEL

The utility model provides a block terminal door plant hypotenuse processing special mould to the type of dashing of door plant is more with the process step that punches a hole among the solution prior art, the problem that production efficiency descends.

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

block terminal door plant hypotenuse processing special mould, including last die head and die holder, it is equipped with the terrace die face to go up die head bottom symmetry, and the terrace die face includes bellying and sets up the side in the bellying both sides, forms the hypotenuse between bellying and the side, and the equipartition has a plurality of trompil drifts on the bellying, all is equipped with the lockhole drift on two sides of being close to last die head central line, is equipped with the die groove that matches with the terrace die face on the die holder, and the first chamber that holds that supplies the trompil drift to get into is seted up to the bottom in die groove, sets up the second that supplies the lockhole.

The technical principle and the effect of the technical scheme are as follows:

by adopting the scheme, the punching and punching of the door plates can be finished at the same time, and the punching and punching of the two door plates can be finished at one time, so that the problem of low production efficiency in the prior art is solved, and meanwhile, the upper die head is uniformly stressed during punching, and the service life of the upper die head can be greatly prolonged; the reason is that only one male die surface and one female die groove are provided, and the door plate is provided with only one locking hole and is positioned at the position close to the side edge of the door plate, so that the reaction force of the whole upper die head during stamping is actually unbalanced, and the service life of the upper die head can be prolonged.

Further, the height of the lock hole punch does not exceed the distance between the side edge and the protruding edge.

Has the advantages that: set up like this, when lockhole drift and door plant contact, the punching press of going up the mould head has mostly pressed on the door plant, and the door plant can not produce the condition of one end perk at the punching press in-process like this.

Furthermore, the top surface of the lower die base is provided with a barrier strip positioned on the central line, and the height of the barrier strip is smaller than the thickness of the door plate.

Has the advantages that: the arrangement of the barrier strips plays a role in positioning the door plates on the two sides.

Furthermore, baffle plates are symmetrically arranged on the side edge, close to the lower die base, of the top surface of the lower die base, and the distance between the two baffle plates is not less than the length of the door plate.

Has the advantages that: the baffle plays spacing and prevents the effect that removes to the door plant.

Furthermore, the inner side edge of the baffle is fixedly provided with elastic strips, and the distance between the two elastic strips is not less than the length of the door plate.

Has the advantages that: supposing that the upper die head generates deviation during installation, the upper die head may directly impact the baffle during stamping to cause safety accidents, and therefore the elastic strip is arranged on the inner side of the baffle and can provide certain buffer force for the upper die head.

Further, the top in first chamber of holding is fixed with the bearing plate, sets up a plurality of blanking holes with trompil drift position one-to-one on the bearing plate, and the diameter in blanking hole is greater than the diameter of trompil drift, and the surface of bearing plate flushes with the bottom surface of die cavity.

Has the advantages that: the setting of bearing plate is when avoiding the die head to punch a hole to the door plant, and the door plant produces great deformation to first holding the intracavity, improves the quality of door plant production like this.

Furthermore, the first intracavity sliding connection that holds has the bearing plate, and the first bottom that holds the chamber is fixed with many support frames, fixedly connected with elastic component between bearing plate and the support frame, set up a plurality of blanking holes with trompil drift position one-to-one on the bearing plate, and the top surface of bearing plate surpasss the bottom surface in die cavity.

Has the advantages that: because the bearing plate top surface surpasss the bottom surface of die cavity, consequently the bearing plate not only can bear the power of punching press in this scheme, and after the punching press was accomplished to the door plant simultaneously, when last die head left the door plant, the bearing plate upwards slides fast under the elastic component reset action to with the ejecting die cavity of door plant, make things convenient for operating personnel to take away the type and the door plant after punching a hole like this.

Furthermore, gaps are formed among the support frames, and the width of each gap is larger than the aperture of each blanking hole.

Has the advantages that: the waste material falling from the blanking hole can thus be discharged from the slot.

Further, the bearing plate is the rectangular plate, is fixed with the stopper on the side of bearing plate, has seted up perpendicular groove on the first lateral wall that holds the chamber, and stopper sliding connection is in the spout.

Has the advantages that: because what the bearing plate bottom was connected is the elastic component, the elastic component when resumeing deformation, can make the bearing plate produce the circumstances such as circumferential removal, consequently through the cooperation of stopper and spout, can be so that the steady upward movement of bearing plate.

Furthermore, the limiting blocks are arranged in a plurality of numbers and are uniformly distributed on four side edges of the bearing plate.

Has the advantages that: the stability of bearing plate in the process of sliding up and down can be improved by the arrangement.

Drawings

FIG. 1 is a schematic structural view of an upper die in example 1 of the present invention;

FIG. 2 is a front sectional view of a lower die holder in embodiment 1 of the present invention;

FIG. 3 is a top view of the lower die holder in embodiment 1 of the present invention;

fig. 4 is a front sectional view of the lower die holder in embodiment 2 of the present invention.

Detailed Description

The following is further detailed by way of specific embodiments:

reference numerals in the drawings of the specification include: the door plate comprises a door plate 1, an upper die head 10, a lower die holder 11, a raised edge 12, a side edge 13, a bevel edge 14, an opening punch 15, a lock hole punch 16, a concave die groove 17, a first accommodating cavity 18, a second accommodating cavity 19, a bearing plate 20, a blanking hole 21, a barrier strip 22, a baffle 23, an elastic strip 24, a support frame 25, an elastic piece 26, a limiting block 27 and a vertical groove 28.

Example 1 is substantially as shown in figures 1 and 2 of the accompanying drawings:

special mould of block terminal door plant hypotenuse processing, including last die head 10 and die holder 11, wherein go up die head 10 and fix on hydraulic equipment, and die holder 11 is fixed on the punching machine, the bottom at last die head 10 is equipped with two protruding die surfaces, two protruding die surfaces set up for the central line symmetry of last die head 10, wherein protruding die surface includes bellying 12 and sets up the side 13 at bellying 12 both sides, bellying 12 is the level setting with side 13, form hypotenuse 14 between bellying 12 and the side 13, contained angle between hypotenuse 14 and the horizontal plane is not less than 30, the contained angle is 33 in this application.

A plurality of perforating punches 15 are fixed on the convex edge 12, the perforating punches 15 are uniformly distributed on the convex edge 12, the perforating punches 15 are used for punching heat dissipation holes in the door panel 1, two side edges 13 close to the central line of the upper die head 10 are respectively fixed with a locking hole punch 16, wherein the height of the locking hole punch 16 is not more than the distance between the side edges 13 and the convex edge 12, but is not less than the thickness of the door panel 1.

The lower die holder 11 is provided with a die groove 17 matched with a male die surface, wherein the bottom of the die groove 17 is provided with a first accommodating cavity 18 for the perforating punch 15 to enter, the lower die holder 11 is also provided with a second accommodating cavity 19 for the keyhole punch 16 to enter, the first accommodating cavity 18 and the second accommodating cavity 19 are both communicated, and waste materials after punching are directly discharged without remaining in the lower die holder 11.

A bearing plate 20 is fixed on the top of the first accommodating cavity 18, wherein a plurality of blanking holes 21 are formed in the bearing plate 20, the positions of the blanking holes 21 correspond to the positions of the perforating punches 15 one by one, the diameters of the blanking holes 21 are larger than the diameter of the perforating punches 15, and the surface of the bearing plate 20 and the bottom surface of the die groove 17 are kept on the same horizontal plane.

Referring to fig. 3, a barrier strip 22 located on the central line is further fixed on the top surface of the lower die holder 11, wherein the height of the barrier strip 22 is less than the thickness of the door panel 1; two baffles 23 which are symmetrical to each other are further fixed on the side edge 13 of the top surface of the lower die holder 11 close to the lower die holder 11, wherein the distance between the two baffles 23 is not less than the length of the door panel 1; in addition, in order to reduce safety accidents, an elastic strip 24 is fixed on the inner side 13 of the baffle plate 23, and the distance between the two elastic strips 24 is not less than the length of the door plate 1.

Before punching, two door plates 1 cut by laser are placed on the lower die base 11, specifically, the door plates 1 are pushed to extend into the die base from between the two elastic strips 24 and stop moving after being abutted against the barrier strips 22, and the upper die head 10 is driven by hydraulic equipment to move downwards, so that the punching and punching of the door plates 1 are completed.

In the process, the punching head 15 is firstly contacted with the door panel 1, the door panel 1 is extruded to deform in the die groove 17, heat dissipation holes in the door panel 1 are punched out, waste materials generated after punching are discharged from the blanking hole 21 through the first accommodating cavity 18, then the punching head 16 of the lock hole is contacted with the door panel 1, a lock hole is punched in the door panel 1, the waste materials generated after punching are discharged from the second accommodating cavity 19, and the height of the punching head 16 of the lock hole is not more than the distance between the side edge 13 and the raised edge 12 and is not less than the thickness of the door panel 1, so when the punching head 16 of the lock hole is contacted with the door panel 1, most of the punching force of the upper die head 10 is pressed on the door panel 1, and the condition that one end of the door panel 1 is tilted cannot be generated.

In addition, in the embodiment, the two door panels 1 can be simultaneously punched, on one hand, the production efficiency can be improved, on the other hand, the punching and the punching are simultaneously completed on the assumption that only one convex die surface and one concave die groove 17 are arranged, because only one lock hole is arranged on the door panel 1 and is positioned at the position, close to the side edge 13, of the door panel 1, the reaction force applied to the whole upper die head 10 during the punching is actually unbalanced, and the upper die head 10 and the lower die holder 11 are designed according to the embodiment, so that the stress is uniform during the punching, and the service life of the upper die head 10 can be greatly prolonged.

Example 2 is substantially as shown in figure 4:

the difference from example 1 is that: bearing plate 20 sliding connection is in the first chamber 18 that holds, and be fixed with many support frames 25 in the first bottom that holds chamber 18, be formed with the gap between the adjacent support frame 25, and the width in gap is greater than the aperture of blanking hole 21, be fixed with a plurality of elastic component 26 between bearing plate 20 and support frame 25, when bearing plate 20 is not atress, its top surface surpasss the bottom surface of die cavity 17, in order to prevent that bearing plate 20 from taking place to rock, set up bearing plate 20 into the rectangular plate, and fixed a plurality of stopper 27 on bearing plate 20's side 13, a plurality of stopper 27 equipartitions are on four sides 13 of bearing plate 20, a plurality of perpendicular grooves 28 have been seted up on the first lateral wall that holds chamber 18, stopper 27 sliding connection is in perpendicular groove 28.

Because the top surface of the bearing plate 20 exceeds the bottom surface of the die cavity 17, the bearing plate 20 in the embodiment can bear the stamping force, and after the door plate 1 is stamped, when the upper die head 10 leaves the door plate 1, the bearing plate 20 slides upwards rapidly under the reset action of the elastic part 26, so that the door plate 1 is ejected out of the die cavity 17, and an operator can take away the stamped door plate 1 and the punched door plate 1 conveniently.

The above description is only an example of the present invention, and the common general knowledge of the known specific structures and characteristics of the embodiments is not described herein. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims

1. Block terminal door plant hypotenuse processing special mould, including upper die head and die holder, its characterized in that: go up the die head bottom symmetry and be equipped with the terrace die face, the terrace die face includes bellying and sets up the side in the bellying both sides, forms the hypotenuse between bellying and the side, the equipartition has a plurality of trompil drifts on the bellying, be close to two sides of last die head central line and all be equipped with the lockhole drift, be equipped with the die cavity that matches with the terrace die face on the die holder, the first chamber that holds that supplies the trompil drift to get into is seted up to the bottom in die cavity, set up the second that supplies the lockhole drift to get into on the die holder.

2. The special die for processing the oblique edge of the distribution box door panel as claimed in claim 1, wherein: the height of the lock hole punch does not exceed the distance between the side edge and the protruding edge.

3. The special die for processing the oblique edge of the distribution box door panel as claimed in claim 2, wherein: and a barrier strip positioned on the central line is arranged on the top surface of the lower die base, and the height of the barrier strip is smaller than the thickness of the door plate.

4. The special die for processing the oblique edge of the distribution box door panel as claimed in claim 3, wherein: the side edge of the top surface of the lower die base, which is close to the lower die base, is symmetrically provided with baffle plates, and the distance between the two baffle plates is not less than the length of the door plate.

5. The special die for processing the oblique edge of the distribution box door panel as claimed in claim 4, wherein: the inner side edge of the baffle is fixedly provided with elastic strips, and the distance between the two elastic strips is not less than the length of the door plate.

6. The special die for processing the oblique edge of the distribution box door panel as claimed in claim 5, wherein: the top in first chamber of holding is fixed with the bearing plate, has seted up a plurality of blanking holes with trompil drift position one-to-one on the bearing plate, and the diameter in blanking hole is greater than the diameter of trompil drift, and the surface of bearing plate flushes with the bottom surface in die cavity.

7. The special die for processing the oblique edge of the distribution box door panel as claimed in claim 5, wherein: the first intracavity sliding connection that holds has the bearing plate, and the first bottom that holds the chamber is fixed with many support frames, fixedly connected with elastic component between bearing plate and the support frame, set up a plurality of blanking holes with trompil drift position one-to-one on the bearing plate, and the top surface of bearing plate surpasss the bottom surface in die cavity.

8. The special die for processing the oblique edge of the distribution box door panel as claimed in claim 7, wherein: gaps are formed among the support frames, and the width of each gap is larger than the aperture of each blanking hole.

9. The special die for processing the oblique edge of the distribution box door panel as claimed in claim 8, wherein: the bearing plate is the rectangular plate, is fixed with the stopper on the side of bearing plate, has seted up perpendicular groove on the first lateral wall that holds the chamber, stopper sliding connection is in the spout.

10. The special die for processing the oblique edge of the distribution box door panel as claimed in claim 9, wherein: the limiting blocks are arranged in a plurality of numbers and are uniformly distributed on four sides of the bearing plate.