CN210907703U

CN210907703U - Processing die for metal plate on side end

Info

Publication number: CN210907703U
Application number: CN201921817622.8U
Authority: CN
Inventors: 王文玉
Original assignee: Wuxi Xingeryu Technology Co ltd
Current assignee: Wuxi Xingeryu Technology Co ltd
Priority date: 2019-10-28
Filing date: 2019-10-28
Publication date: 2020-07-03
Anticipated expiration: 2029-10-28

Abstract

The utility model relates to a processing mould for metal plates on side ends, which comprises a first mould group and a second mould group, wherein the first mould group comprises a first upper seat, a first lower seat, a first upper mould fixedly arranged on the first upper seat and a first lower mould matched with the first upper mould to punch a side plate and a bent bottom plate, and the first lower mould is fixedly arranged on the first lower seat; the second die set comprises a second upper seat, a second upper die fixedly arranged on the second upper seat, and a second lower die matched with the second upper die to punch the secondary turnover part into the same plane with the primary turnover part. By adopting the technical scheme, the sheet metal part is respectively stamped in two steps, so that the sheet metal part cannot generate cracks at the notch position of the through groove at the vertex angle of the secondary turnover part due to excessive single deformation, the probability of defective products is reduced, the product quality and the economic benefit are improved, and the aim of the invention is fulfilled.

Description

Processing die for metal plate on side end

Technical Field

The utility model belongs to the technical field of the mould technique and specifically relates to a mold processing of panel beating on side is related to.

Background

Currently, sheet metal on the side ends for vehicle production needs to be stamped into the desired shape.

As shown in fig. 1, this sheet metal component includes bottom plate 91, curb plate 92, and curb plate 92 includes once folding part 921 and secondary folding part 922, and bottom plate 91 and curb plate 92 edge part all are the turn-ups setting, and bottom plate 91 bends along the intermediate position, and secondary folding part 922 apex angle position crimp forms logical groove.

This sheet metal component 9 is always through one shot forming in current processing, but one shot forming makes 9 single deformations of sheet metal component too much, and the groove notch department that leads to of secondary turnover portion 922 apex angle easily produces the crack, has influenced product quality.

Disclosure of Invention

The utility model aims at providing a mold processing of panel beating on side, it has prevents that the secondary from turning over the logical groove notch of a book portion and excessively producing the crack because of deformation, has improved product quality.

The above object of the present invention is achieved by the following technical solutions:

a processing die for a side-end upper metal plate comprises a first die set and a second die set, wherein the first die set comprises a first upper seat, a first lower seat, a first upper die fixedly arranged on the first upper seat and a first lower die matched with the first upper die to punch a side plate and a bent bottom plate, and the first lower die is fixedly arranged on the first lower seat; the second die set comprises a second upper seat, a second upper die fixedly installed on the second upper seat, a second lower die matched with the second upper die and used for stamping the secondary turnover part into the same plane with the primary turnover part, and a second lower seat fixedly installed on the second lower die.

Through adopting above-mentioned technical scheme, carry out the punching press respectively with the sheet metal component through two steps, at first step through the first mould group bottom plate of buckling in the middle of with one side folding portion stamping forming of two blocks of curb plates of bottom plate both sides, the secondary is turned over folding portion and is kept the original state and perpendicular with once turning over folding portion, then the second step is turned over folding portion to turning over with the secondary through the second mould group and is in the coplanar with once turning over folding portion, and the edge is the turn-ups setting. The sheet metal part is punched in two steps, so that the sheet metal part cannot generate cracks at the notch positions of the through grooves at the vertex angles of the secondary turnover parts due to excessive single deformation, the probability of generating defective products is reduced, the product quality and the economic benefit are improved, and the aim of the invention is fulfilled.

The utility model discloses further set up to: the first upper die comprises a first stamping part and a second stamping part, the first stamping part is used for stamping out a bent bottom plate, the second stamping part is used for stamping out a side plate, and the second stamping part is located on two sides of the first stamping part.

Through adopting above-mentioned technical scheme, make first mould separable processing of going up, improved the convenience of processing first mould of going up.

The utility model discloses further set up to: a plurality of nitrogen springs are fixedly arranged between the first upper die and the first upper seat, and a plurality of nitrogen springs are fixedly arranged between the second upper die and the second upper seat.

Through adopting above-mentioned technical scheme, through the setting of nitrogen gas spring, mould on first last mould and the second suspends in midair in first upper seat and second upper seat below through nitrogen gas spring, when mould when the stamping is being carried out to the sheet metal component on first last mould and second, mould can butt in the sheet metal component up end in advance on first last mould and the second to gravity through self compresses tightly the sheet metal component in advance on first lower mould and second lower mould, then the punching press, the stability of sheet metal component punching press has been improved.

The utility model discloses further set up to: the lower end face of the upper seat is provided with an embedded groove in the vertical direction, and the nitrogen spring machine body is fixedly installed in the embedded groove.

Through adopting above-mentioned technical scheme, make nitrogen spring more convenient when the shrink, first mould and second go up the mould up end and can directly butt in first upper seat and second upper seat.

The utility model discloses further set up to: the nitrogen spring is arranged between the first stamping part and the first upper seat, two ends of the nitrogen spring are respectively and fixedly connected to the upper end face of the first stamping part and the lower end face of the first upper seat, and the second stamping part is fixedly connected to the first upper seat.

Through adopting above-mentioned technical scheme, make first last mould only first punching press portion hang through nitrogen spring, when first last mould pushes down, only first punching press portion supports tightly in advance and the sheet metal component, makes the sheet metal component fix a position for first last mould and first bed die, need not whole first last mould and all supports tightly in advance, has improved the stability of sheet metal component punching press.

The utility model discloses further set up to: the first lower seat and the second lower seat are fixedly provided with a plurality of guide pillars, the first upper seat and the second upper seat are correspondingly provided with a plurality of guide holes along the vertical direction, and the guide pillars are embedded and slidably connected with the guide holes.

Through adopting above-mentioned technical scheme, lead to first upper bracket and second upper bracket through the guide pillar, make first upper bracket and second upper bracket when pushing down, can slide along the guide pillar, make things convenient for first upper bracket and second lower bracket to remove.

The utility model discloses further set up to: the guide posts are respectively provided with four guide posts on the first lower seat and the second lower seat and are respectively arranged at four corners of the first lower seat and the second lower seat.

Through adopting above-mentioned technical scheme, locate the four corners position with the guide pillar, further improved the stability that first upper bracket and second upper bracket slided and pushed down.

The utility model discloses further set up to: first lower mould and the fixed limiting plate that is equipped with of second lower mould lateral wall along vertical direction, first last mould and second go up the mould overcoat and establish and fixedly connected with casing, the spacing groove has been seted up to casing lower extreme face correspondence, the limiting plate inlays to establish and sliding connection in the spacing groove.

Through adopting above-mentioned technical scheme, make first last mould and second go up the mould when pushing down through first upper bracket and second upper bracket, set up through the limiting plate has further improved the stability when first last mould and second go up the mould and push down.

To sum up, the utility model discloses a beneficial technological effect does:

1. the notch position of the through groove at the vertex angle of the secondary turnover part is prevented from generating cracks due to single deformation transition, so that the product quality and the economic benefit are improved;

2. the first punching part connected with the nitrogen spring is used for prepressing the sheet metal part and arranging the guide pillar and the limiting plate, so that the stability of punching the sheet metal part is improved.

Drawings

FIG. 1 is a schematic diagram of a deformation process of a sheet metal part according to the embodiment;

FIG. 2 is a schematic view of the overall structure of the first mold set of the present embodiment;

FIG. 3 is an exploded view of the first mold set of the present embodiment;

FIG. 4 is a schematic view of a first upper seat of the first mold set of the present embodiment;

FIG. 5 is an exploded view of the second mold set of the present embodiment;

fig. 6 is a schematic view of a second upper seat of the second mold set according to the embodiment.

Reference numerals: 1. a first upper seat; 11. a guide groove; 12. caulking grooves; 13. a guide hole; 14. a nitrogen spring; 2. a first upper die; 21. a first stamped part; 22. a second stamped part; 23. a housing; 231. a limiting groove; 3. a first lower seat; 31. a guide post; 4. a first lower die; 41. a limiting plate; 5. a second upper seat; 6. a second upper die; 61. a pre-tightening part; 62. a third stamped part; 7. a second lower seat; 8. a second lower die; 9. a sheet metal part; 91. a base plate; 92. a side plate; 921. a first folding part; 922. and a secondary folding part.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, the processing mold for sheet metal on the side end disclosed in this embodiment includes a first mold set for punching the primary folding portion 921 and the folded bottom plate 91 of the side plate 92, and a second mold set for punching the secondary folding portion 922 to be in the same plane as the primary folding portion 921. The first die set comprises a first upper die 2, a first lower die 4 used for being matched with the first upper die 2 for stamping, a first upper seat 1 used for fixedly mounting the first upper die 2 and a first lower seat 3 used for fixedly mounting the first lower die 4. Referring to fig. 5, the second die set includes a second upper die 6, a second lower die 8 for stamping in cooperation with the second upper die 6, a second upper seat 5 for fixedly mounting the second upper die 6, and a second lower seat 7 for fixedly mounting the second lower die 8.

When stamping the sheet metal part 9, firstly, place the sheet metal part 9 on the first lower die 4, the first upper seat 1 moves downwards to drive the first upper die 2 to press down, the bottom plate 91 of the sheet metal part 9 is stamped into a middle bent shape, the primary folding parts 921 of the side plates 92 on two sides of the bottom plate 91 are stamped into the bottom plate 91 perpendicular to the middle plate, and the edge positions of the primary folding parts 921 of the bottom plate 91 and the side plates 92 are flanged. Then put on second lower mould 8 again, second upper bracket 5 moves down and drives second upper mould 6 and pushes down, with the secondary of curb plate 92 turn over a portion 922 and down the punching press, make secondary turn over a portion 922 and be the coplanar with primary turn over a portion 921 by the punching press, and with the edge of secondary turn over a portion 922 and you from the turn-ups, accomplished the stamping forming of sheet metal component 9 promptly.

Referring to fig. 3, the first upper die 2 includes a first punching portion 21 and a second punching portion 22, the second punching portion 22 is located on both sides of the first punching portion 21, the first punching portion 21 is a flange for punching out the middle bent bottom plate 91 and the edge of the bottom plate 91, and the second punching portion 22 is a flange for punching out the edge of the one-time folded portion 921 and the one-time folded portion 921 of the two side plates 92.

Referring to fig. 3 and 4, the lower end surface of the first upper seat 1 is provided with a guide groove 11 in the vertical direction, the bottom of the guide groove 11 is provided with three caulking grooves 12, and each caulking groove 12 is internally provided with a nitrogen spring 14. The upper end of the nitrogen spring 14 is fixedly embedded in the embedding groove 12, and the lower end of the nitrogen spring 14 is fixedly connected to the upper end face of the first punching part 21. The first punch 21 is slidably connected to the guide groove 11, and the second punch 22 is fixedly connected to the first upper base 1. The first lower base 3 is fixedly provided with a guide post 31 at each of four angular positions thereof, the first upper base 1 is correspondingly provided with four guide holes 13 along the vertical direction, the diameter of each guide hole 13 is equal to that of the corresponding guide post 31, and the guide posts 31 are penetrated and slidably connected with the guide holes 13.

Referring to fig. 3, two sides of the first lower die 4 are respectively and fixedly provided with a limiting plate 41 along the vertical direction, the second stamping part 22 of the first upper die 2 is externally and fixedly sleeved with a housing 23, a limiting groove 231 is formed in the position of the lower end surface of the housing 23 corresponding to the limiting plate 41 along the vertical direction, and the limiting plate 41 is embedded and slidably connected in the limiting groove 231.

When stamping, firstly, the sheet metal part 9 is placed on the first lower die 4, and then the first upper seat 1 drives the first upper die 2 to press down. Since the first punch 21 is suspended from the first upper base 1 by the nitrogen spring 14, the first punch 21 first comes into contact with the sheet metal member 9, and biases the sheet metal member 9 against the first lower die 4 by its own weight. Then first seat of honour 1 drives first punching press portion 21 and second punching press portion 22 and continues to push down, and first punching press portion 21 is crescent to the pressure of sheet metal component 9, and second punching press portion 22 butt afterwards and carries out the punching press to one time folding portion 921 of sheet metal component 9 curb plate 92, has accomplished the punching press to bottom plate 91 of sheet metal component 9 and one time folding portion 921 of curb plate 92 promptly. During the punching process, the guide post 31 slides in the guide hole 13, so that the first upper seat 1 can slide along the axial direction of the guide post 31 and the sliding is stable. The limiting plate 41 slides in the limiting groove 231, so that the first upper die 2 can slide along the length direction of the limiting plate 41 and the sliding is stable.

Referring to fig. 5, the second upper die 6 includes a pre-tightening portion 61 and third stamping portions 62 located on two sides of the pre-tightening portion 61, the pre-tightening portion 61 is used for fastening the sheet metal part 9 on the second lower die 8 in advance, and the third stamping portions 62 are used for stamping the secondary folding portions 922 of the side plates 92 to be located on the same plane as the primary folding portions 921 and flanging the secondary folding portions 922.

Referring to fig. 5, the lower end surface of the second upper seat 5 is also provided with four guide grooves 11 along the vertical direction, the bottoms of the guide grooves 11 are provided with four caulking grooves 12, and each caulking groove 12 is internally provided with one nitrogen spring 14. The upper end of the nitrogen spring 14 is fixedly embedded in the embedding groove 12, and the lower end of the nitrogen spring 14 is fixedly connected to the upper end face of the pre-tightening part 61. The pre-tightening part 61 is slidably connected to the guide groove 11, and the third pressed part 62 is fixedly connected to the second upper seat 5. The second lower base 7 is fixedly provided with a guide post 31 at each of four angular positions thereof, the second upper base 5 is correspondingly provided with four guide holes 13 along the vertical direction, the diameter of each guide hole 13 is equal to that of the guide post 31, and the guide posts 31 are penetrated and slidably connected with the guide holes 13.

Referring to fig. 5, two sides of the first lower die 4 are respectively and fixedly provided with a limiting plate 41 along the vertical direction, the second stamping part 22 of the first upper die 2 is externally and fixedly sleeved with a housing 23, a limiting groove 231 is formed in the position of the lower end surface of the housing 23 corresponding to the limiting plate 41 along the vertical direction, and the limiting plate 41 is embedded and slidably connected in the limiting groove 231.

When stamping, firstly, the sheet metal part 9 stamped by the first die set is placed on the second lower die 8, and then the second upper seat 5 drives the second upper die 6 to press down. Since the biasing portion 61 is suspended from the second upper seat 5 by the nitrogen spring 14, the biasing portion 61 first abuts against the sheet metal member 9, and biases the sheet metal member 9 against the second lower die 8 by its own weight. Then the second upper seat 5 drives the third punching press portion 62 to push down, and the third punching press portion 62 butt is stamped the secondary turnover portion 922 of sheet metal component 9 curb plate 92, becomes secondary turnover portion 922 punching press and is the coplanar with primary turnover portion 921, and turns over the edge of secondary turnover portion 922, has accomplished the punching press to the secondary turnover portion 922 of sheet metal component 9 curb plate 92 promptly. During the punching process, the guide post 31 slides in the guide hole 13, so that the second upper seat 5 can slide along the axial direction of the guide post 31 and the sliding is stable. The limiting plate 41 slides in the limiting groove 231, so that the second upper die 6 can slide along the length direction of the limiting plate 41, and the sliding is stable.

The implementation principle of the embodiment is as follows:

1. when stamping the sheet metal part 9 for the first time, firstly, the sheet metal part 9 is placed on the first lower die 4, and then the first upper seat 1 drives the first upper die 2 to press down. Since the first punch 21 is suspended from the first upper base 1 by the nitrogen spring 14, the first punch 21 first comes into contact with the sheet metal member 9, and biases the sheet metal member 9 against the first lower die 4 by its own weight. Then first seat of honour 1 drives first punching press portion 21 and second punching press portion 22 and continues to push down, and first punching press portion 21 is crescent to the pressure of sheet metal component 9, and second punching press portion 22 butt afterwards and carries out the punching press to one time folding portion 921 of sheet metal component 9 curb plate 92, has accomplished the punching press to bottom plate 91 of sheet metal component 9 and one time folding portion 921 of curb plate 92 promptly.

2. When stamping the sheet metal part 9 for the second time, firstly, the sheet metal part 9 stamped by the first die set is placed on the second lower die 8, and then the second upper seat 5 drives the second upper die 6 to be pressed downwards. Since the biasing portion 61 is suspended from the second upper seat 5 by the nitrogen spring 14, the biasing portion 61 first abuts against the sheet metal member 9, and biases the sheet metal member 9 against the second lower die 8 by its own weight. Then the second upper seat 5 drives the third punching press portion 62 to push down, and the third punching press portion 62 butt is stamped the secondary turnover portion 922 of sheet metal component 9 curb plate 92, becomes secondary turnover portion 922 punching press and is the coplanar with primary turnover portion 921, and turns over the edge of secondary turnover portion 922, has accomplished the punching press to the secondary turnover portion 922 of sheet metal component 9 curb plate 92 promptly.

3. In the process of stamping, the guide posts 31 arranged on the first die set and the second die set slide in the guide holes 13, so that the first upper seat 1 and the second upper seat 5 can slide along the axial direction of the guide posts 31, and the sliding in the process of stamping is stable. Through limiting plate 41 slip in spacing groove 231, make first last mould 2 and second go up mould 6 and can slide along limiting plate 41 length direction, the punching press process slides stably.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a mold processing of panel beating on side which characterized in that: the die comprises a first die set and a second die set, wherein the first die set comprises a first upper seat (1), a first lower seat (3), a first upper die (2) fixedly arranged on the first upper seat (1), and a first lower die (4) which is matched with the first upper die (2) to punch a primary folding part (921) of a side plate (92) and a bent bottom plate (91), and the first lower die (4) is fixedly arranged on the first lower seat (3); the second die set comprises a second upper seat (5), a second upper die (6) fixedly installed on the second upper seat (5), a second lower die (8) matched with the second upper die (6) and used for stamping the secondary turnover part (922) into the same plane with the primary turnover part (921) and a second lower seat (7) used for fixedly installing the second lower die (8).

2. The processing die for the sheet metal on the side end of claim 1, wherein: the first upper die (2) comprises a first stamping part (21) used for stamping a bent bottom plate (91) and a second stamping part (22) used for stamping a side plate (92), and the second stamping part (22) is located on two sides of the first stamping part (21).

3. The processing die for the sheet metal on the side end as claimed in claim 2, wherein: a plurality of nitrogen springs (14) are fixedly arranged between the first upper die (2) and the first upper seat (1), and a plurality of nitrogen springs (14) are fixedly arranged between the second upper die (6) and the second upper seat (5).

4. The processing die for the sheet metal on the side end as claimed in claim 3, wherein: the lower end face of the first upper seat (1) is provided with an embedded groove (12) in the vertical direction, and the nitrogen spring (14) body is fixedly installed in the embedded groove (12).

5. The processing die for the sheet metal on the side end as claimed in claim 3, wherein: a plurality of nitrogen gas spring (14) are located between first punching press portion (21) and first upper seat (1), nitrogen gas spring (14) both ends are fixed connection respectively in the up end of first punching press portion (21) and the lower terminal surface of first upper seat (1), second punching press portion (22) fixed connection is in first upper seat (1).

6. The processing die for the sheet metal on the side end of claim 1, wherein: a plurality of guide posts (31) are fixedly arranged on the first lower seat (3) and the second lower seat (7), a plurality of guide holes (13) are correspondingly formed in the first upper seat (1) and the second upper seat (5) along the vertical direction, and the guide posts (31) are embedded and slidably connected to the guide holes (13).

7. The processing die for the sheet metal on the side end as claimed in claim 6, wherein: the guide columns (31) are respectively provided with four guide columns on the first lower seat (3) and the second lower seat (7) and are respectively arranged at four corners of the first lower seat (3) and the second lower seat (7).

8. The processing die for the sheet metal on the side end of claim 1, wherein: first lower mould (4) and second lower mould (8) lateral wall are fixed along vertical direction and are equipped with limiting plate (41), mould (6) overcoat is established and fixedly connected with casing (23) on first mould (2) and the second, spacing groove (231) have been seted up to casing (23) lower extreme correspondence, limiting plate (41) inlay and establish and sliding connection in spacing groove (231).