CN211052301U

CN211052301U - Extrusion burr mould

Info

Publication number: CN211052301U
Application number: CN201921871323.2U
Authority: CN
Inventors: 蒋人权
Original assignee: Keben Precision Mould Co ltd
Current assignee: Keben Precision Mould Co ltd
Priority date: 2019-11-01
Filing date: 2019-11-01
Publication date: 2020-07-21
Anticipated expiration: 2029-11-01

Abstract

The utility model relates to an extrusion burr mould, which comprises an upper mould set and a lower mould set, wherein the upper mould set comprises an upper mould base, an upper padding plate and a stripper plate which are arranged from top to bottom in sequence, and the lower mould set comprises a lower template, a lower padding plate and a lower mould base which are arranged from top to bottom in sequence; a sliding block fixing seat is arranged on the lower template, a guide inclined plane facing the stripper plate is arranged on one side of the sliding block fixing seat, a sliding rail extending along the inclined direction and a sliding block capable of moving along the sliding rail are arranged on the guide inclined plane, a side pushing step is arranged on the upper surface of the sliding block, and the opening of the side pushing step faces to the side away from the guide inclined plane; a first return spring and a second return spring are arranged in the lower die set, the first return spring is connected with a mandril the upper end of which is propped against the lower surface of the slide block, and the second return spring is connected with a supporting rod the upper end of which is propped against the lower surface of a product; when the die is closed, pressure can be simultaneously applied to the side surface and the bottom surface of the product, so that burrs on the upper side surface and the bottom surface of the product can be pressed on the product, and the precision of the product can be improved.

Description

Extrusion burr mould

Technical Field

The utility model relates to the technical field of mold, more specifically say, relate to an extrusion burr mould.

Background

Burrs, also called as flash and burrs, mostly occur at the parting and joining positions of the mold, such as parting surfaces of a movable mold and a static mold, sliding fit positions of a sliding block, an insulation gap of an insert, a hole of an ejector rod and the like, and are caused by the failure of mold locking force of the mold or a machine table to a great extent; the existing deburring method adopts a stamping die to extrude burrs, and particularly comprises the steps of placing a product on a lower die, enabling the edge of the burrs to face downwards when the product is placed, then downwards stamping the product through an upper die, and pressing the burrs into the product.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model lies in, to the above-mentioned defect of prior art, provide an extrusion burr mould.

The utility model provides a technical scheme that its technical problem adopted is:

constructing an extrusion burr die, which comprises an upper die set and a lower die set; the upper die set comprises an upper die base, an upper backing plate and a stripper plate which are sequentially arranged from top to bottom, and the lower die set comprises a lower die plate, a lower backing plate and a lower die base which are sequentially arranged from top to bottom; the lower template is provided with a sliding block fixing seat, one side of the sliding block fixing seat is provided with a guide inclined plane facing the stripper plate, the guide inclined plane is provided with a sliding rail extending along the inclined direction and a sliding block capable of moving along the sliding rail, the upper surface of the sliding block is provided with a side pushing step, the opening of the side pushing step faces to the side away from the guide inclined plane, and an inward folding angle is abutted against the edge of a burr on a product; the lower die set is internally provided with a first reset spring and a second reset spring, the first reset spring is connected with a mandril of which the upper end is propped against the lower surface of the sliding block, and the second reset spring is connected with a supporting rod of which the upper end is propped against the lower surface of a product.

Extrusion burr mould, wherein, the inside dog-ear that the side pushed the step is the R angle.

Extrusion burr mould, wherein, the slider is equipped with the stopper towards one side lower part on direction inclined plane, be equipped with on the direction inclined plane with the spacing groove that the stopper corresponds.

The extrusion burr mould of the utility model, wherein, the inclination angle of the guiding inclined plane is 15-30 degrees.

Extrusion burr mould, wherein, be fixed with on the upper padding plate and pass take off the guide pillar of flitch, be equipped with on the lower bolster with the guide pillar corresponds the guiding hole.

Extrusion burr mould, wherein, the guide pillar lower extreme is equipped with the guide angle.

The beneficial effects of the utility model reside in that: the material is placed on the sliding block and the supporting rod, the edge of the burr of the product is abutted to the inner dog-ear of the side pushing step, then the die is closed, the upper die set moves downwards and presses the material, the sliding block is driven to move downwards along the guide inclined plane, and the punching is completed, so that the pressure can be simultaneously applied to the side face and the bottom face of the product during punching, the burrs of the upper side face and the bottom face of the product can be pressed on the product, the product precision can be improved, and the product yield is increased.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention will be further described with reference to the accompanying drawings and embodiments, wherein the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive efforts according to the drawings:

fig. 1 is a schematic view illustrating an open state of an extrusion burr mold according to a preferred embodiment of the present invention;

fig. 2 is a schematic view of the die assembly state of the extrusion burr die according to the preferred embodiment of the present invention;

FIG. 3 is an enlarged view of a portion of the mold opening status of the burr extruding mold according to the preferred embodiment of the present invention;

fig. 4 is an enlarged view of the mold opening state of the burr extruding mold according to the preferred embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, a clear and complete description will be given below with reference to the technical solutions of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, belong to the scope of protection of the present invention.

The extrusion burr die of the preferred embodiment of the present invention is shown in fig. 1, referring to fig. 2-4, and comprises an upper die set 1 and a lower die set 2, wherein the upper die set 1 comprises an upper die base 11, an upper padding plate 12 and a stripper plate 13 which are sequentially arranged from top to bottom, and the lower die set 2 comprises a lower die plate 21, a lower padding plate 22 and a lower die base 23 which are sequentially arranged from top to bottom; the lower template 21 is provided with a sliding block fixing seat 3, one side of the sliding block fixing seat 3 is provided with a guide inclined plane 31 facing the stripper plate 13, the guide inclined plane 31 is provided with a sliding rail 32 extending along the inclined direction and a sliding block 4 capable of moving along the sliding rail 32, the upper surface of the sliding block 4 is provided with a side pushing step 41, the opening of the side pushing step 41 faces to the side away from the guide inclined plane 31, and the inward folding angle is abutted against the edge of a burr on a product; a first return spring 24 and a second return spring 25 are arranged in the lower die set 2, the first return spring 24 is connected with a mandril 5 of which the upper end is propped against the lower surface of the slide block 4, and the second return spring 25 is connected with a support rod 7 of which the upper end is propped against the lower surface of a product;

the material is placed on the sliding block 4 and the supporting rod 6, the area where the burrs of the product are located is enabled to be abutted to the side pushing step 41 on the sliding block 4, then the die is closed, the upper die set 1 descends and presses the material, the sliding block 4 descends along the guide inclined plane 31, therefore, pressure can be applied to the side face and the bottom face of the product simultaneously during stamping, the burrs of the upper side face and the bottom face of the product can be pressed on the product, the product precision can be improved, and the product yield is increased.

As shown in fig. 3-4, the inward-folding angle of the side-push step 41 is an angle R; the side and bottom surfaces of the product can be simultaneously pressed when the product is punched conveniently.

As shown in fig. 3-4, a limiting block 42 is disposed at the lower portion of one side of the sliding block 4 facing the guiding inclined plane 31, and a limiting groove 33 corresponding to the limiting block 42 is disposed on the guiding inclined plane 31; the limiting block 42 and the limiting groove 33 are matched to limit the unlimited ascending of the sliding block 4.

As shown in fig. 1-4, the guide ramp 31 is inclined at an angle of 15-30.

As shown in fig. 1-2, a guide post 6 passing through the stripper plate 13 is fixed on the upper backing plate 12, and a guide hole 211 corresponding to the guide post 6 is arranged on the lower template 21; the stability of the upper die set 1 during die assembly is enhanced.

As shown in fig. 1-2, the lower end of the guide post 2 is provided with a guide angle 61; facilitating the entry of the guide post 2 into the guide hole 211.

It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are considered to be within the scope of the invention as defined by the following claims.

Claims

1. An extrusion burr die comprises an upper die set and a lower die set; the die is characterized in that the upper die set comprises an upper die base, an upper padding plate and a stripper plate which are sequentially arranged from top to bottom, and the lower die set comprises a lower die plate, a lower padding plate and a lower die base which are sequentially arranged from top to bottom; the lower template is provided with a sliding block fixing seat, one side of the sliding block fixing seat is provided with a guide inclined plane facing the stripper plate, the guide inclined plane is provided with a sliding rail extending along the inclined direction and a sliding block capable of moving along the sliding rail, the upper surface of the sliding block is provided with a side pushing step, the opening of the side pushing step faces to the side away from the guide inclined plane, and an inward folding angle is abutted against the edge of a burr on a product; the lower die set is internally provided with a first reset spring and a second reset spring, the first reset spring is connected with a mandril of which the upper end is propped against the lower surface of the sliding block, and the second reset spring is connected with a supporting rod of which the upper end is propped against the lower surface of a product.

2. The extrusion burr die of claim 1, wherein an inside-folding angle of the side-push step is an R-angle.

3. The die for extruding burrs according to claim 1, wherein a stopper is provided at a lower portion of a side of the slider facing the guide slope, and a stopper groove corresponding to the stopper is provided on the guide slope.

4. The extrusion burr die of claim 1, wherein an inclination angle of the guide slope is 15 ° -30 °.

5. The burr extruding die of claim 1, wherein a guide post penetrating through the stripper plate is fixed on the upper backing plate, and a guide hole corresponding to the guide post is formed on the lower die plate.

6. The die of claim 5, wherein the lower end edge of the guide post is provided with a guide angle.