CN214516909U

CN214516909U - Metal plate bending clamp

Info

Publication number: CN214516909U
Application number: CN202023037415.6U
Authority: CN
Inventors: 何明勇
Original assignee: Chongqing Rooster Precision Metal Product Co ltd
Current assignee: Chongqing Rooster Precision Metal Product Co ltd
Priority date: 2020-12-16
Filing date: 2020-12-16
Publication date: 2021-10-29
Anticipated expiration: 2030-12-16

Abstract

The utility model discloses a sheet metal bending clamp, which comprises an upper die and a lower die, wherein a first guide post and a second guide post are arranged between the upper die and the lower die; a first lower boss and a second lower boss are arranged on the upper surface of the lower die, a groove is formed between the first lower boss and the second lower boss, and a central jacking block is arranged in the groove; go up the mould lower surface and be provided with first boss of going up, first boss and first boss cooperate and are used for forming the left side limit of buckling of sheet metal component down, go up the mould lower surface and still be provided with the boss on the second, boss and the lower boss of second cooperate and are used for forming the right side limit of buckling of sheet metal component down on the second, be provided with kicking block and central groove on the first boss and the second between the boss, go up the kicking block and cooperate with the recess and be used for forming the lower arch of sheet metal component, central groove with central kicking block cooperatees and is used for forming the lower bellied inturn of sheet metal component and presss from both sides the groove. The utility model discloses a place panel and can obtain this application through extrusion deformation between last mould and lower mould the sheet metal component of particular structure.

Description

Metal plate bending clamp

Technical Field

The utility model relates to a sheet metal processing equipment technical field, concretely relates to crooked anchor clamps of panel beating.

Background

The processing of metal plate is called as sheet metal processing, and generally, a stamping means is used to process the plate to manufacture the sheet metal part. Referring to fig. 2, the sheet metal member 8 has two bent ends forming a left bent side 81 and a right bent side 82, a lower protrusion 83 protruding downward from the middle of the bent ends, an inner bent portion 85 formed by bending the lower protrusion 83 upward from the middle of the bent ends, and a clamping groove 84 formed in the inner bent portion 85. To this sheet metal component 8, need set up one set of special panel beating bending tool for obtain this sheet metal component 8 to the panel punching press. Moreover, the sheet metal part is complex in structure and is easy to be bonded on sheet metal equipment during stamping forming.

SUMMERY OF THE UTILITY MODEL

To the sheet metal component of specific structure in this application, the utility model provides a sheet metal bending jig who is exclusively used in this sheet metal component.

According to the embodiment of the utility model, the sheet metal bending fixture comprises an upper die and a lower die, wherein a first guide post and a second guide post for guiding the upper die are arranged between the upper die and the lower die; a first lower boss and a second lower boss are arranged on the upper surface of the lower die, a groove is formed between the first lower boss and the second lower boss, and a central jacking block is arranged in the groove; go up the mould lower surface and be provided with and be located the left first boss of going up of first boss, first go up the boss with the boss cooperatees and is used for forming the left side limit of buckling of sheet metal component down, it still is provided with and is located to go up the mould lower surface the boss is gone up to the second on the boss right side under the second, the boss with the boss cooperatees and is used for forming the right side limit of buckling of sheet metal component under the second, be provided with the kicking block on the first boss of going up and the second between the boss, upward be provided with central groove on the kicking block, go up the kicking block with the recess cooperation is used for forming the lower arch of sheet metal component, central groove with central kicking block cooperatees and is used for forming the lower bellied incurve portion and the clamp groove of sheet metal component.

The technical effects of the technical scheme are as follows:

place panel between last mould and lower mould, go up the mould and strike the lower mould under power drive, the middle part of panel can be by recess and the lower arch that the kicking block extrusion formed the sheet metal component, central kicking block and central groove extrusion form the inflexion of sheet metal component and press from both sides the groove, the left end of panel can be by first last boss and the left side limit of buckling of first boss extrusion formation down, the right-hand member of panel can be by boss and the lower boss extrusion of second form the limit of buckling of right side down on the second. It can be seen that the sheet metal part with the specific structure can be obtained through the sheet metal bending clamp, and the sheet metal bending clamp further has the advantages of simple structure and low manufacturing cost.

The utility model discloses still include following a plurality of technical scheme of further improvement:

furthermore, the upper surface of the lower die is also provided with a left positioning table and a right positioning table.

Further, the first guide column is arranged on the left positioning table, and the second guide column is arranged on the right positioning table.

Furthermore, a first limiting pin is arranged at the upper end of the first guide column, and a second limiting pin is arranged at the upper end of the second guide column.

Preferably, anti-adhesion devices are arranged on the upper die and the lower die.

Further, antiseized even device includes ejector pin, first double-screw bolt, spring and second double-screw bolt, the equal threaded connection of first double-screw bolt and second double-screw bolt is in the mounting hole of last mould or lower mould, ejector pin movably passes the centre bore of first double-screw bolt, the ejector pin is provided with the convex shoulder, the convex shoulder with be provided with between the second double-screw bolt the spring, the tip of ejector pin can stretch out or retract the terminal surface of first double-screw bolt.

Drawings

In order to more clearly illustrate the embodiments of the present invention, the drawings used in the embodiments will be briefly described below. In all the drawings, the elements or parts are not necessarily drawn to actual scale.

Fig. 1 is a schematic structural view of a sheet metal bending fixture provided in an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a sheet metal part processed by the sheet metal bending fixture provided by the embodiment of the present invention;

fig. 3 is a schematic structural view of the adhesion preventing device provided by the embodiment of the present invention.

Reference numerals:

1. a lower die; 2. an upper die; 3. a first guide post; 4. a first limit pin; 5. a second guide post; 6. a second limit pin; 8. a sheet metal part; 81. a left bent edge; 82. a right bent side; 83. a lower bulge; 85. an inner bent portion; 84. a clamping groove; 11. a left positioning table; 12. a right positioning table; 13. a first lower boss; 14. a second lower boss; 15. a central top block; 16. a groove; 21. a first upper boss; 22. a second upper boss; 23. a top block is arranged; 24. a central slot; 71. a top rod; 72. a first stud; 73. a spring; 74. a second stud.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

As shown in fig. 1, the sheet metal bending fixture comprises an upper die 2 and a lower die 1, wherein a first guide column 3 and a second guide column 5 are arranged between the upper die 2 and the lower die 1, so that the upper die 2 can move up and down along the first guide column 3 and the second guide column 5. The upper surface of the lower die 1 is provided with a first lower boss 13 and a second lower boss 14, a groove 16 is arranged between the first lower boss 13 and the second lower boss 14, and a central ejector block 15 is arranged in the groove 16.

As shown in fig. 1-2, the lower surface of the upper die 2 is provided with a first upper boss 21 located on the left side of the first lower boss 13, the first upper boss 21 and the first lower boss 13 are matched to form a left bending edge 81 of the sheet metal part 8, the lower surface of the upper die 2 is further provided with a second upper boss 22 located on the right side of the second lower boss 14, the second upper boss 22 and the second lower boss 14 are matched to form a right bending edge 82 of the sheet metal part 8, an upper ejector block 23 is arranged between the first upper boss 21 and the second upper boss 22, the upper ejector block 23 is provided with a central groove 24, the upper ejector block 23 is matched with the groove 16 to form a lower protrusion 83 of the sheet metal part 8, and the central groove 24 is matched with the central ejector block 15 to form an inner bending portion 85 and a clamping groove 84 of the lower protrusion 83 of the sheet metal part 8.

Place panel between last mould 2 and lower mould 1, go up mould 2 and strike lower mould 1 under power drive, the middle part of panel can be by recess 16 and last kicking block 23 extrusion formation sheet metal component 8 lower arch 83, central kicking block 15 and central groove 24 extrusion formation sheet metal component 8 incurve portion 85 and press from both sides groove 84, the left end of panel can be by first last boss 21 and first boss 13 extrusion formation left side limit 81 of buckling, the right-hand member of panel can be by second last boss 22 and second boss 14 extrusion formation right side limit 82 of buckling.

Further, the upper surface of the lower die 1 is also provided with a left positioning table 11 and a right positioning table 12. Be used for putting panel between left location platform 11 and right location platform 12, the both ends of panel respectively with left location platform 11 and right location platform 12 butt, can not only fix a position the panel of stamping process like this, can also guarantee that stamping forming's sheet metal component 8 has the same specification and size.

Further, the first guide post 3 is provided on the left positioning table 11, and the second guide post 5 is provided on the right positioning table 12.

Further, first spacer pin 4 is provided with on first guide post 3, and second spacer pin 6 is provided with on 5 ends of second guide post, prevents to go up mould 2 and deviate from first guide post 3 or 5 upper ends of second guide post.

Further, as shown in fig. 3, referring to fig. 1, anti-adhesion devices are provided on the upper die 2 and the lower die 1. The anti-adhesion device comprises a mandril 71, a first stud 72, a spring 73 and a second stud 74, wherein the first stud 72 and the second stud 74 are both in threaded connection in a mounting hole of the upper die 2 or the lower die 1. A shoulder is arranged in the middle of the ejector rod 71, the ejector rod 71 movably penetrates through a central hole of the first stud 72, the shoulder of the ejector rod 71 abuts against the upper end face of the first stud 72, and the lower end of the ejector rod 71 extends out of the lower end face of the first stud 72. A spring 73 is disposed between the shoulder and the second stud 74. After the upper die 2 punches the plate downwards, the upper die 2 leaves the lower die 1, and the stamping part may be bonded on the upper die 2 or the lower die 1, at this time, due to the anti-adhesion device, the ejector rod 71 can eject the sheet metal part 8 under the action of the spring 73, so that the sheet metal part 8 falls off from the upper die 2 or the lower die 1.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.

Claims

1. The metal plate bending clamp is characterized by comprising an upper die and a lower die, wherein a first guide post and a second guide post for guiding the upper die are arranged between the upper die and the lower die;

a first lower boss and a second lower boss are arranged on the upper surface of the lower die, a groove is formed between the first lower boss and the second lower boss, and a central jacking block is arranged in the groove;

go up the mould lower surface and be provided with and be located the left first boss of going up of first boss, first go up the boss with the boss cooperatees and is used for forming the left side limit of buckling of sheet metal component down, it still is provided with and is located to go up the mould lower surface the boss is gone up to the second on the boss right side under the second, the boss with the boss cooperatees and is used for forming the right side limit of buckling of sheet metal component under the second, be provided with the kicking block on the first boss of going up and the second between the boss, upward be provided with central groove on the kicking block, go up the kicking block with the recess cooperation is used for forming the lower arch of sheet metal component, central groove with central kicking block cooperatees and is used for forming the lower bellied incurve portion and the clamp groove of sheet metal component.

2. The sheet metal bending clamp according to claim 1, wherein the lower die upper surface is further provided with a left positioning table and a right positioning table.

3. The sheet metal bending clamp according to claim 2, wherein the first guide post is disposed on the left positioning table, and the second guide post is disposed on the right positioning table.

4. The sheet metal bending clamp according to claim 3, wherein a first limiting pin is arranged at the upper end of the first guide column, and a second limiting pin is arranged at the upper end of the second guide column.

5. The sheet metal bending clamp according to claim 1, wherein anti-adhesion devices are arranged on the upper die and the lower die.

6. The sheet metal bending clamp according to claim 5, wherein the anti-adhesion device comprises a push rod, a first stud, a spring and a second stud, the first stud and the second stud are in threaded connection with mounting holes of the upper die or the lower die, the push rod movably penetrates through a center hole of the first stud, a shoulder is arranged on the push rod, the spring is arranged between the shoulder and the second stud, and the end portion of the push rod can extend out of or retract into the end face of the first stud.