CN211027752U

CN211027752U - Riveting and convex hull forming common die

Info

Publication number: CN211027752U
Application number: CN201921639472.6U
Authority: CN
Inventors: 朱宏伟
Original assignee: Kunshan Jiafengsheng Precise Electronics Co ltd
Current assignee: Kunshan Jiafengsheng Precise Electronics Co ltd
Priority date: 2019-09-29
Filing date: 2019-09-29
Publication date: 2020-07-17
Anticipated expiration: 2029-09-29

Abstract

The utility model discloses a riveting and convex hull forming shared die, which comprises an upper die, a lower die and a side-push cylinder, wherein the side-push cylinder is positioned outside the die, a convex hull forming block is arranged in a lower template, and a riveting punch head is arranged in an upper clamping plate; the riveting punch is arranged in a fixed block which is arranged in the groove, and the fixed block is connected with the bottom of the groove through a spring; one side of the upper die base corresponding to the fixing block is provided with a transverse groove with two open ends, a wedge block is arranged in the transverse groove, one end of the wedge block, which is located in the transverse groove, is provided with a first inclined surface, and the top of the fixing block is provided with a second inclined surface matched with the first inclined surface. The utility model discloses a side pushes away cylinder and wedge to and the fixed mode of redesign's riveting drift, realized the automatic switch-over of riveting drift height, so alright realize riveting and convex closure fashioned gradation shaping in one set of mould, avoided the material to receive two ascending tensile forces simultaneously, guaranteed the shaping quality of product.

Description

Riveting and convex hull forming common die

Technical Field

The utility model belongs to the technical field of stamping die, involve riveting and convex closure shaping sharing mould.

Background

The product shown in fig. 1 and 2 has a convex hull a, and two warped elastic pieces B are riveted at two front fork pieces. The shaping of convex closure and the riveting of shell fragment are the simultaneous forming in one set of mould generally, however, discover in actual production that the convex closure of this product is nearer with riveting position department, and the convex closure is from supreme shaping down, and the shell fragment is from last riveting down, and the material between convex closure and the riveting receives two relative pulling forces, very easily warp, consequently need improve current mould structure to guarantee the shaping quality of product.

SUMMERY OF THE UTILITY MODEL

The utility model provides a riveting and convex closure shaping sharing mould, its one of which purpose is guaranteeing the shaping quality of product.

In order to achieve the above purpose, the utility model provides a technical scheme as follows:

the riveting and convex hull forming common die comprises an upper die, a lower die and a side-push cylinder, wherein the upper die comprises an upper die base, an upper clamping plate, a stop plate and a stripper plate which are sequentially arranged from top to bottom, and the lower die comprises a lower die plate and a lower die base which are sequentially arranged from top to bottom; the lower template is internally provided with a convex hull forming block, and the upper clamping plate is internally provided with a riveting punch; the riveting punch is arranged in a fixed block which is arranged in the groove, and the fixed block is connected with the bottom of the groove through a spring; the upper die base corresponds one side of fixed block is provided with a both ends open-ended horizontal groove be provided with the wedge in the horizontal groove, the wedge is located one end in the horizontal groove is provided with inclined plane one, the top of fixed block be provided with inclined plane one complex inclined plane two, the side pushes away the cylinder and is located the outside of mould, be provided with on the telescopic link of side pushes away the cylinder with wedge swing joint's push pedal.

In the technical scheme, a product is placed in a mold to form the convex hull, in the step, the inclined wedge is not in contact with the inclined surface of the fixing block, the fixing block is jacked upwards under the action of the spring, and the riveting punch is retracted into the stripper plate and is not exposed during mold closing. After the convex closure is formed, the product is rotationally placed on the die, the convex closure part of the product is located outside the die, in the step, the side-pushing cylinder pushes the inclined wedge away from the interior of the upper die base, the inclined surface of the inclined wedge is attached to the inclined surface of the fixing block, the inclined wedge presses the fixing block downwards for a certain distance under the action of the inclined surface structure, and the riveting punch is exposed from the stripper plate after die assembly and completes riveting.

Furthermore, two ends of the transverse groove are respectively provided with a wedge block, and a side-push cylinder is arranged outside the die corresponding to each wedge block.

Furthermore, a vertical sliding groove is formed in the push plate, and the wedge block is connected in the sliding groove in a sliding mode.

Furthermore, a riveting cushion block is arranged on the lower template corresponding to the riveting punch head, and a jack matched with the riveting punch head is arranged in the riveting cushion block.

Furthermore, one side of the lower template, which is close to the riveting cushion block, is provided with another supporting plate which extends outwards, and the inner side of each supporting plate is provided with a supporting block.

Furthermore, a positioning block is arranged in the lower template and positioned between the two riveting cushion blocks.

Further, the supporting block is fixed in the lower die base; the supporting plate is provided with a T-shaped groove, and a T-shaped block correspondingly arranged on the supporting block is inserted into the T-shaped groove to realize positioning.

Furthermore, an ejection mechanism is arranged in the lower die holder corresponding to the convex hull forming block, and an ejection pin in the ejection mechanism is connected with the convex hull forming block.

Compared with the prior art, the beneficial effects of the utility model are that: through side push cylinder and wedge to and the riveting drift fixed mode of redesign, realized the automatic switch-over of riveting drift height, so alright realize riveting and convex closure fashioned fractional molding in one set of mould, avoided the material to receive the tensile force in two directions simultaneously, guaranteed the shaping quality of product.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below.

FIG. 1 is a schematic illustration of a product disclosed in the background art;

FIG. 2 is an assembled view showing a state in which a common mold for riveting and convex hull forming is used in the first embodiment;

fig. 3 is an assembly view showing another state of the common mold for riveting and convex hull molding disclosed in the first embodiment;

FIG. 4 is an assembled view of another direction of the common mold for riveting and convex hull forming disclosed in the first embodiment;

FIG. 5 is a schematic view of the lower template disclosed in the first embodiment;

fig. 6 is an assembly view of a common mold for clinching and convex hull molding disclosed in the second embodiment.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Example one

Referring to fig. 2-4, the riveting and convex hull forming common die comprises an upper die, a lower die and a side-push cylinder 10, wherein the upper die comprises an upper die base 20, an upper clamping plate 30, a stop plate 40 and a stripper plate 50 which are sequentially arranged from top to bottom, a groove 31 is formed in the top of the upper clamping plate 30, a riveting punch 60 is installed in a fixed block 70, the fixed block 70 is arranged in the groove 31, and the fixed block 70 is connected with the bottom of the groove through a spring 80. Referring to fig. 4, a lateral groove 21 with two open ends is formed in one side of the upper die base 20 corresponding to the fixing block 70, a wedge block 90 is arranged in the lateral groove 21, an inclined surface 91 is formed in one end of the wedge block located in the lateral groove 21, an inclined surface 71 matched with the inclined surface is formed in the top of the fixing block 70, the side-push cylinder 10 is located outside the die, a push plate 100 is arranged on an expansion link of the side-push cylinder 10, a vertical sliding groove 101 is formed in the push plate, and the wedge block is slidably connected in the sliding groove. The lower die comprises a lower die plate 110 and a lower die base 120 which are sequentially arranged from top to bottom, a convex hull forming block 170 is arranged in the lower die plate, an ejecting mechanism is arranged at the position, corresponding to the convex hull forming block, in the lower die base, and an ejecting pin 130 in the ejecting mechanism is connected with the convex hull forming block.

The mould is used for carrying out mould closing for the first time to form the convex hull, and carrying out mould closing and riveting for the second time to form the elastic sheet.

When the convex hull is formed, the telescopic rod of the side-push cylinder 10 retracts, the inclined wedge is not in contact with the inclined surface of the fixing block 70, the fixing block 70 is jacked upwards under the action of the spring 80, and the riveting punch 60 retracts into the stripper plate 50. After the mold is closed, the convex hull forming block stretches the convex hull upward in the material, and the riveting punch 60 is not exposed from the stripper plate 50 and therefore does not contact the material.

When riveting the elastic sheet, the material is rotated 180 degrees and then placed in the mold, and the convex hull part of the product is positioned outside the mold. Before die assembly, the side-push cylinder 10 pushes the inclined wedge away from the inner part of the upper die base 20, the inclined surface of the inclined wedge is attached to the inclined surface of the fixing block 70, the inclined wedge presses the fixing block 70 downwards for a certain distance under the action of the inclined surface structure, the riveting punch 60 is exposed out of the stripper plate 50 after die assembly, and after die assembly, the riveting punch 60 is inserted into the convex bud of the material to rivet the elastic sheet in the product. The riveting cushion block is arranged at the position, corresponding to the riveting punch 60, of the lower template, and the insertion holes matched with the riveting punch 60 are formed in the riveting cushion block, so that when the size of the riveting punch 60 is adjusted, the size of the insertion holes in the lower template can be quickly adjusted.

When the elastic sheet is riveted, the convex hull part of the product is positioned outside the die, so that another supporting plate 160 (see fig. 5) extending outwards can be arranged on one side of the lower die plate close to the riveting cushion block, a supporting block 140 is respectively arranged on the inner side of each supporting plate, and the supporting blocks are fixed in the lower die base by bolts. The convex hull part of the product is supported by the supporting block, so that the product can be prevented from deforming. A T-shaped groove is formed in the supporting plate, and a T-shaped block correspondingly arranged on the supporting block is inserted into the T-shaped groove to achieve positioning.

When riveting the elastic sheet, the positioning of the material in the lower template can not depend on the positioning column in the die, so that the positioning block 150 is arranged in the lower template and is arranged between the two riveting cushion blocks, thereby not only not influencing the riveting action, but also positioning the product.

Example two

The present embodiment is based on the first embodiment.

Referring to fig. 6, two ends of the transverse groove 21 are respectively provided with a wedge 90, and a side-push cylinder 10 is arranged at the outer part of the mold corresponding to each wedge. The two cylinders and the two wedges are arranged, so that the lifting stability of the fixing block 70 can be ensured, and the riveting quality of the elastic sheet is improved.

Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The riveting and convex hull forming shared die is characterized by comprising an upper die, a lower die and a side-push cylinder, wherein the upper die comprises an upper die holder, an upper clamping plate, a stop plate and a stripper plate which are sequentially arranged from top to bottom, and the lower die comprises a lower die plate and a lower die holder which are sequentially arranged from top to bottom; the lower template is internally provided with a convex hull forming block, and the upper clamping plate is internally provided with a riveting punch; the riveting punch is arranged in a fixed block which is arranged in the groove, and the fixed block is connected with the bottom of the groove through a spring; the upper die base corresponds one side of fixed block is provided with a both ends open-ended horizontal groove be provided with the wedge in the horizontal groove, the wedge is located one end in the horizontal groove is provided with inclined plane one, the top of fixed block be provided with inclined plane one complex inclined plane two, the side pushes away the cylinder and is located the outside of mould, be provided with on the telescopic link of side pushes away the cylinder with wedge swing joint's push pedal.

2. The riveting and convex hull forming shared die according to claim 1, wherein two ends of the transverse groove are respectively provided with a wedge, and a side pushing cylinder is arranged at the position corresponding to each wedge outside the die.

3. The riveting and convex hull forming common die according to claim 1, wherein the push plate is provided with a vertical sliding groove, and the wedge block is slidably connected in the sliding groove.

4. The riveting and convex hull forming shared die according to claim 1, wherein a riveting cushion block is arranged on the lower die plate corresponding to the riveting punch head, and a jack matched with the riveting punch head is arranged in the riveting cushion block.

5. The riveting and convex hull forming mold as claimed in claim 1, wherein the lower mold plate is provided with another outwardly extending support plate on the side close to the riveting cushion block, and a support block is mounted on the inner side of each support plate.

6. The riveting and convex hull forming shared die according to claim 5, wherein a positioning block is arranged in the lower die plate, and the positioning block is positioned between the two riveting cushion blocks.

7. The riveting and convex hull forming shared die of claim 5, wherein the supporting block is fixed in the lower die holder; the supporting plate is provided with a T-shaped groove, and a T-shaped block correspondingly arranged on the supporting block is inserted into the T-shaped groove to realize positioning.

8. The riveting and convex hull forming shared die according to claim 1, wherein an ejecting mechanism is arranged in the lower die holder corresponding to the convex hull forming block, and an ejecting pin in the ejecting mechanism is connected with the convex hull forming block.