阅读说明：本技术 一种二段式翻边抑制成型的五金冲压模具 (Fashioned five metals stamping die is restrained to two-period form turn-ups ) 是由 占先辉 王树吉 周成虎 于 2021-06-18 设计创作，主要内容包括：本发明公开了一种二段式翻边抑制成型的五金冲压模具,属于冲压模具技术领域,包括上模座、下模座、凸模、凹模、伸缩驱动机构和翻边抑制机构,所述下模座上设置有多根导柱,所述上模座上设置有多根导套,所述导柱插接于所述导套内,所述凹模固定设于所述下模座上,所述凸模固定设于所述上模座上,且所述凸模对准所述凹模；本发明通过阶梯式的第一液压槽、第二液压槽和第三液压槽布置,第一杆体、第二杆体和第三杆体陆续作用于第一液压槽、第二液压槽和第三液压槽,先后作用第一滑块和第二滑块对工件进行一阶导向折弯,再作用第三滑块继续上升并对工件进行二阶导向折弯,使得工件先后进行两次折弯,从而保证工件流料均匀,加工质量好。(The invention discloses a hardware stamping die for two-section type flanging inhibition forming, which belongs to the technical field of stamping dies and comprises an upper die base, a lower die base, a male die, a female die, a telescopic driving mechanism and a flanging inhibition mechanism, wherein a plurality of guide columns are arranged on the lower die base; according to the invention, the first, second and third hydraulic grooves are arranged in a stepped manner, the first, second and third rod bodies sequentially act on the first, second and third hydraulic grooves, the first and second sliders are successively acted to perform first-order guide bending on the workpiece, and then the third slider is continuously acted to ascend and perform second-order guide bending on the workpiece, so that the workpiece is successively bent twice, and thus, the workpiece is ensured to have uniform flow and good processing quality.)

1. The utility model provides a fashioned five metals stamping die is restrained to two-period form turn-ups which characterized in that: comprises an upper die holder (1), a lower die holder (2), a male die (3), a female die (4), a telescopic driving mechanism (5) and a flanging inhibiting mechanism (6), wherein a plurality of guide posts (7) are arranged on the lower die holder (2), a plurality of guide sleeves (8) are arranged on the upper die holder (1), the guide posts (7) are inserted in the guide sleeves (8), the female die (4) is fixedly arranged on the lower die holder (2), the male die (3) is fixedly arranged on the upper die holder (1), the male die (3) is aligned with the female die (4), the telescopic driving mechanism (5) is arranged in the lower die holder (2), a plurality of guide rods (9) are arranged on the upper die holder (1) and are inserted in the telescopic driving mechanism (5), a plurality of through holes (10) which are arranged along the vertical direction are arranged on the female die (4), and the flanging inhibiting mechanism (6) is slidably arranged in the through holes (10), the flanging inhibition mechanism (6) extends into the telescopic driving mechanism (5);

the telescopic driving mechanism (5) comprises a first hydraulic groove (51), a second hydraulic groove (52) and a third hydraulic groove (53), and the first hydraulic groove (51), the second hydraulic groove (52) and the third hydraulic groove (53) are arranged layer by layer in the lower die holder (2) from top to bottom;

the guide rod (9) comprises a first rod body (91), a second rod body (92) and a third rod body (93), the first rod body (91) is inserted into the first hydraulic groove (51), the second rod body (92) is inserted into the second hydraulic groove (52), and the third rod body (93) is inserted into the third hydraulic groove (53);

the flanging inhibition mechanism (6) comprises a first sliding block (61), a second sliding block (62) and a third sliding block (63), the first sliding block (61), the second sliding block (62) and the third sliding block (63) all slide in the through hole (10), a sliding rod (11) at the bottom of the first sliding block (61) is inserted into the first hydraulic groove (51), the sliding rod (11) at the bottom of the second sliding block (62) is inserted into the second hydraulic groove (52), and the sliding rod (11) at the bottom of the third sliding block (63) is inserted into the third hydraulic groove (53).

2. The hardware stamping die for two-section type flanging inhibition forming according to claim 1, wherein the lengths of the first rod body (91), the second rod body (92) and the third rod body (93) are equal.

3. The hardware stamping die for suppressing the forming of the two-section type flanging according to claim 1, wherein the top of the female die (4) is of a V-shaped concave structure, and the first sliding block (61), the second sliding block (62) and the third sliding block (63) are sequentially arranged along the inclined plane height increasing direction of the female die (4).

4. The hardware stamping die for two-stage flanging inhibition forming according to claim 1, wherein a plurality of first guide rollers (12) are arranged at the tops of the first sliding block (61) and the second sliding block (62).

5. The hardware stamping die for two-stage flanging inhibition forming according to claim 4, wherein the first guide roller (12) is tangent to the surface of the male die (3).

6. The hardware stamping die for two-stage flanging inhibition forming according to claim 1, wherein the third sliding blocks (63) are located on two opposite sides of the male die (3).

7. The hardware stamping die for two-stage flanging inhibition forming according to claim 6, wherein a plurality of second guide rollers (13) are arranged on the side surface, facing the male die (3), of the third sliding block (63), and the second guide rollers (13) are located between the third sliding block (63) and the inner wall of the through hole (10).

8. The hardware stamping die for two-stage flanging inhibition forming according to claim 1, wherein top surfaces of the first sliding block (61), the second sliding block (62) and the third sliding block (63) are all coincided with an inclined surface of the female die (4).

Technical Field

The invention belongs to the technical field of stamping dies, and particularly relates to a hardware stamping die for inhibiting forming of a two-section type flanging.

Background

The stamping die is a special process equipment for processing metal or nonmetal into parts or semi-finished products in cold stamping, the stamping die is often used in bending stamping, some workpieces need to be bent for multiple times, and the workpieces need to be repeatedly positioned in the multiple bending processing, so that the processing precision of the workpieces can be influenced, and the stamping die with multi-position synchronous bending becomes the mainstream.

At present, in the stamping process of multi-position synchronous bending, a male die directly acts on a workpiece, and a female die directly inhibits the workpiece, so that the flow of the workpiece to each bending point is uneven, and the surface of the workpiece is easily scratched.

Disclosure of Invention

The invention aims to: the hardware stamping die is used for solving the problems that when a workpiece is subjected to stamping processing of multi-position synchronous bending, a male die and a female die directly act on the workpiece, so that the workpiece is uneven in material flow and the surface of the workpiece is scratched.

In order to achieve the purpose, the invention adopts the following technical scheme: a hardware stamping die for two-section type flanging inhibition forming comprises an upper die base, a lower die base, a male die, a female die, a telescopic driving mechanism and a flanging inhibition mechanism, wherein a plurality of guide pillars are arranged on the lower die base, a plurality of guide sleeves are arranged on the upper die base, the guide pillars are inserted in the guide sleeves, the female die is fixedly arranged on the lower die base, the male die is fixedly arranged on the upper die base, the male die is aligned with the female die, the telescopic driving mechanism is arranged in the lower die base, a plurality of guide rods are arranged on the upper die base and are inserted in the telescopic driving mechanism, a plurality of through holes which are arranged in the vertical direction are formed in the female die, the flanging inhibition mechanism is slidably arranged in the through holes, and the flanging inhibition mechanism extends into the telescopic driving mechanism;

the telescopic driving mechanism comprises a first hydraulic groove, a second hydraulic groove and a third hydraulic groove, and the first hydraulic groove, the second hydraulic groove and the third hydraulic groove are arranged layer by layer in the lower die base from top to bottom;

the guide rod comprises a first rod body, a second rod body and a third rod body, the first rod body is inserted in the first hydraulic groove, the second rod body is inserted in the second hydraulic groove, and the third rod body is inserted in the third hydraulic groove;

the flanging inhibition mechanism comprises a first sliding block, a second sliding block and a third sliding block, wherein the first sliding block, the second sliding block and the third sliding block slide in the through hole, a sliding rod at the bottom of the first sliding block is inserted into the first hydraulic groove, a sliding rod at the bottom of the second sliding block is inserted into the second hydraulic groove, and a sliding rod at the bottom of the third sliding block is inserted into the third hydraulic groove.

As a further description of the above technical solution:

the lengths of the first rod body, the second rod body and the third rod body are equal.

As a further description of the above technical solution:

the top of die is the concave structure of V type, first slider the second slider with the third slider is along the inclined plane of die increases the direction and arranges in proper order.

As a further description of the above technical solution:

the top of the first sliding block and the top of the second sliding block are both provided with a plurality of first guide rollers.

As a further description of the above technical solution:

the first guide roller is tangent to the surface of the male die.

As a further description of the above technical solution:

the third slide blocks are positioned on two opposite sides of the male die.

As a further description of the above technical solution:

and a plurality of second guide rollers are arranged on the side surface of the third sliding block facing the male die, and the second guide rollers are positioned between the third sliding block and the inner wall of the through hole.

As a further description of the above technical solution:

the top surfaces of the first sliding block, the second sliding block and the third sliding block are coincided with the inclined surface of the female die.

In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:

1. according to the invention, through the arrangement of the stepped first hydraulic groove, the stepped second hydraulic groove and the stepped third hydraulic groove, the first rod body, the stepped second rod body and the stepped third rod body sequentially act on the first hydraulic groove, the stepped second hydraulic groove and the stepped third hydraulic groove, the first slider and the second slider are sequentially acted to bend a workpiece in a first-order guiding manner, and then the third slider is acted to continuously rise and bend the workpiece in a second-order guiding manner, so that the workpiece is bent twice in sequence, and therefore, the uniform flow of the workpiece is ensured, and the processing quality is good.

2. According to the invention, the first guide roller and the second guide roller are used for inhibiting the flanging of the workpiece, and the workpiece rolls on the first guide roller and the second guide roller, so that the surface of the workpiece is protected from being scratched.

Drawings

Fig. 1 is a schematic view of an overall structure of a hardware stamping die for two-stage flanging inhibition forming.

Fig. 2 is a reference diagram of the use state of fig. 1.

Fig. 3 is a schematic view of a two-stage flanging-restraining hardware stamping die in a front view direction.

Fig. 4 is a reference diagram of the use state of fig. 3.

Fig. 5 is a schematic diagram of an internal structure of a hardware stamping die for two-stage flanging inhibition forming.

Fig. 6 is a partially enlarged view of a portion a in fig. 5.

Fig. 7 is a schematic diagram of an internal structure of a hardware stamping die for two-stage flanging inhibition forming.

Illustration of the drawings:

1. an upper die holder; 2. a lower die holder; 3. a male die; 4. a female die; 5. a telescopic driving mechanism; 51. a first hydraulic tank; 52. a second hydraulic tank; 53. a third hydraulic tank; 6. a flanging-restraining mechanism; 61. a first slider; 62. a second slider; 63. a third slider; 7. a guide post; 8. a guide sleeve; 9. a guide bar; 91. a first rod body; 92. a second rod body; 93. a third rod body; 10. a through hole; 11. a slide bar; 12. a first guide roller; 13. a second guide roller.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-7, the present invention provides a technical solution: a hardware stamping die for two-section type flanging inhibition forming comprises an upper die base 1, a lower die base 2, a male die 3, a female die 4, a telescopic driving mechanism 5 and a flanging inhibition mechanism 6, a plurality of guide posts 7 are arranged on the lower die holder 2, a plurality of guide sleeves 8 are arranged on the upper die holder 1, the guide post 7 is inserted in the guide sleeve 8, the female die 4 is fixedly arranged on the lower die holder 2, the male die 3 is fixedly arranged on the upper die holder 1, the male die 3 is aligned with the female die 4, the telescopic driving mechanism 5 is arranged in the lower die holder 2, the upper die holder 1 is provided with a plurality of guide rods 9 which are inserted into the telescopic driving mechanism 5, the female die 4 is provided with a plurality of through holes 10 which are arranged along the vertical direction, the flanging inhibiting mechanism 6 is arranged in the through hole 10 in a sliding manner, and the flanging inhibiting mechanism 6 extends into the telescopic driving mechanism 5;

the telescopic driving mechanism 5 comprises a first hydraulic groove 51, a second hydraulic groove 52 and a third hydraulic groove 53, and the first hydraulic groove 51, the second hydraulic groove 52 and the third hydraulic groove 53 are arranged layer by layer from top to bottom in the lower die holder 2;

the guide rod 9 comprises a first rod body 91, a second rod body 92 and a third rod body 93, the first rod body 91 is inserted into the first hydraulic groove 51, the second rod body 92 is inserted into the second hydraulic groove 52, and the third rod body 93 is inserted into the third hydraulic groove 53;

the flanging inhibition mechanism 6 comprises a first slide block 61, a second slide block 62 and a third slide block 63, the first slide block 61, the second slide block 62 and the third slide block 63 all slide in the through hole 10, the slide rod 11 at the bottom of the first slide block 61 is inserted into the first hydraulic groove 51, the slide rod 11 at the bottom of the second slide block 62 is inserted into the second hydraulic groove 52, and the slide rod 11 at the bottom of the third slide block 63 is inserted into the third hydraulic groove 53;

the lengths of the first rod body 91, the second rod body 92 and the third rod body 93 are equal, and according to the descending degree of the lower die holder 2, the first hydraulic groove 51, the second hydraulic groove 52 and the third hydraulic groove 53 are arranged in a layered manner, so that the guide rod 9 successively acts on the first sliding block 61, the second sliding block 62 and the third sliding block 63 to sequentially ascend, and the workpiece is subjected to multiple-position bending inhibition, and the flowing uniformity of the workpiece is ensured;

the top of the female die 4 is of a V-shaped concave structure, and the first sliding block 61, the second sliding block 62 and the third sliding block 63 are sequentially arranged along the height increasing direction of the inclined surface of the female die 4;

the tops of the first sliding block 61 and the second sliding block 62 are provided with a plurality of first guide rollers 12, the first guide rollers 12 have a flanging inhibition effect on the workpiece, and the workpiece slides along the first guide rollers 12 in a rolling manner, so that the surface of the workpiece is not scratched;

the first guide roller 12 is tangent to the surface of the male die 3, so that the direction of the workpiece is consistent with that of the male die 3;

the third sliding blocks 63 are positioned at two opposite sides of the male die 3, and the third sliding blocks 63 have an upward bending effect on a workpiece;

a plurality of second guide rollers 13 are arranged on the side surface of the third sliding block 63 facing the male die 3, the second guide rollers 13 are positioned between the third sliding block 63 and the inner wall of the through hole 10, and the workpiece slides along the second guide rollers 13 in a rolling manner, so that the surface of the workpiece is not scratched;

the top surfaces of the first slide block 61, the second slide block 62 and the third slide block 63 are superposed with the inclined surface of the female die 4, and the first slide block 61, the second slide block 62 and the third slide block 63 do not interfere with the die assembly of the male die 3 and the female die 4.

The working principle is as follows: firstly, the guide post 7 on the lower die holder 2 is aligned with the guide post 7 on the upper die holder 1 and inserted, a workpiece is placed between the male die 3 and the female die 4, the upper die holder 1 is pushed downwards, so that the die assembly between the male die 3 and the female die 4 is started, the male die 3 acts on the workpiece on the female die 4 to form a primary bending shape, the first rod body 91 is firstly inserted into the first hydraulic groove 51 and enables the liquid in the first rod body to rise, the liquid acts on the slide rod 11 on the first slide block 61 to enable the first slide block 61 to slide along the through hole 10, at the moment, the first slide block 61 protrudes out of the surface of the female die 4, the first guide roller 12 has a guide effect on the workpiece, secondly, the second rod body 92 is inserted into the second hydraulic groove 52 and enables the liquid in the second rod body to rise, the liquid acts on the slide rod 11 on the second slide block 62 to enable the second slide block 62 to slide along the through hole 10, at the moment, the second slide block 62 protrudes out of the surface of the female die 4, and the first guide roller 12 has a guide effect on the workpiece, the workpiece is bent gradually, then, the third rod 93 is inserted into the third hydraulic groove 53 and the liquid level in the third hydraulic groove is raised, the liquid acts on the sliding rod 11 on the third sliding block 63 to enable the third sliding block 63 to slide along the through hole 10, at the moment, the third sliding block 63 protrudes out of the surface of the female die 4, the first guide roller 12 has a guide effect on the workpiece to enable the workpiece to be bent gradually, the third sliding block 63 continues to ascend, the workpiece is bent for the second time under the action between the third sliding block 63 and the side wall of the male die 3, the second guide roller 13 has a guide effect on the workpiece, and finally, the upper die base 1 is lifted upwards, the liquid in the first hydraulic groove 51, the second hydraulic groove 52 and the third hydraulic groove 53 does not act on the sliding rod 11 any more, and the liquid in the first sliding block 61, the second sliding block 62 and the third sliding block 63 retracts into the through hole 10 under the self-weight action.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.