CN219466372U - Equipment for cutting rim charge by adhering leather material to plastic shell - Google Patents

Abstract

The utility model relates to the technical field of dies and discloses equipment for cutting rim charge by attaching leather material to a plastic shell, wherein a material pressing steel frame is arranged in a die cavity of an upper die, a precise cutting knife is arranged above a plate frame of a cutting knife rest, and spring seat tops of a first compression spring and a second compression spring are fixedly connected with a product positioning base penetrating through the cutting knife rest. According to the utility model, by utilizing the elastic buffer support of the two groups of compression springs in the lower die to the product positioning base, under the downward pressing blanking of the product to be processed by the material pressing steel frame in the upper die, the product to be processed on the product positioning base and the precise cutting knife can keep elastic opposite pressing type cutting work, so that on one hand, the hard collision strength of the product to be processed and the precise cutting knife is reduced, the hard collision damage condition of the precise cutting knife is reduced, and on the other hand, the product to be processed and the product positioning base can keep a more compact matching state, and the blanking precision of the product to be processed is improved.

Description

Equipment for cutting rim charge by adhering leather material to plastic shell

Technical Field

The utility model relates to the technical field of dies, in particular to a device for cutting rim charge by attaching leather material to a plastic shell.

Background

The die is widely used for blanking, die forging, cold heading, extrusion, powder metallurgy part pressing, pressure casting and compression molding or injection molding of products such as engineering plastics, rubber, ceramics and the like, and particularly for the blanking die, the die has a specific contour or inner cavity shape, blanks can be separated according to the contour shape by applying the contour shape with a cutting edge, and the edges and the plate surfaces of the workpieces are blanked and cut by utilizing the involution of the upper die and the lower die, so that the die is widely used for cutting edges of various plastic shells.

The existing blanking dies for various plastic shells mostly adopt a hard opposite-pressing blanking mode, the workpiece is blanked and segmented by utilizing the mechanical hard opposite-pressing of an upper die and a lower die, however, the hard blanking and segmenting mode is extremely easy to damage the sewing property of a cutting tool due to hard collision on one hand, and the workpiece is extremely easy to generate collision deviation due to hard collision on the other hand, so that the cutting precision is poor. Therefore, a person skilled in the art provides an apparatus for cutting the rim charge of the plastic shell attached with the fur material, so as to solve the above-mentioned problems in the prior art.

Disclosure of Invention

The utility model aims to provide a device for cutting rim charge by attaching leather material to a plastic shell, which solves the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a plastic casing attaches equipment of cladding cut rim charge, includes upper mould and lower mould;

the upper die comprises an upper die, and a material pressing steel frame is arranged in a die cavity of the upper die;

the lower die comprises a lower die, a spring fixing seat is arranged in a die cavity of the lower die, a cutting knife rest is arranged right above a die seat of the lower die and outside an coelent of the spring fixing seat, a precise cutting knife is arranged above a plate frame of the cutting knife rest, first compression springs are arranged on the front side and the rear side of a plate seat of the spring fixing seat in a two-to-two symmetrical mode, second compression springs are symmetrically arranged on the two sides of the plate seat of the spring fixing seat, and the tops of spring seats of the first compression springs and the second compression springs are fixedly connected with a product positioning base penetrating through the cutting knife rest.

As still further aspects of the utility model: four groups of involution flanges are symmetrically arranged at the positions of the corners of the bottom of the die holder of the upper die, four groups of involution grooves are symmetrically arranged at the positions of the corners of the top of the die holder of the lower die, and the involution flanges and the involution grooves are in one-to-one correspondence with each other.

As still further aspects of the utility model: the number of the first compression springs is two, each group is two, the number of the second compression springs is two, and the two second compression springs are right opposite to the space central axis positions of the two groups of the first compression springs.

As still further aspects of the utility model: the upper plate surface of the spring fixing seat is provided with a stop pier seat.

As still further aspects of the utility model: the precise cutting knife is of a square frame structure, and four corner ends of the precise cutting knife are of a rounded corner saw-tooth structure.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, by utilizing the elastic buffer support of the two groups of compression springs in the lower die to the product positioning base, under the downward pressing blanking of the product to be processed by the material pressing steel frame in the upper die, the product to be processed on the product positioning base and the precise cutting knife can keep elastic opposite pressing type cutting work, so that on one hand, the hard collision strength of the product to be processed and the precise cutting knife is reduced, the hard collision damage condition of the precise cutting knife is reduced, and on the other hand, the product to be processed and the product positioning base can keep a more compact matching state, and the blanking precision of the product to be processed is improved.

Drawings

FIG. 1 is a schematic diagram of a plastic shell material cutting edge device;

FIG. 2 is an expanded schematic view of an apparatus for trimming a trim material for a plastic housing;

FIG. 3 is a schematic diagram of the structure of an upper mold in a device for cutting the rim charge of the plastic shell attached with the fur material;

FIG. 4 is a schematic diagram of a lower die in a plastic shell adhered with a trim material;

FIG. 5 is a schematic diagram showing the development of a lower die in a device for trimming a trim material for attaching a skin to a plastic housing;

fig. 6 is an exploded view of an apparatus for trimming a trim material for a plastic case.

In the figure: 1. an upper die; 11. an upper die; 12. pressing a material steel frame; 13. an apposition flange; 2. a lower die; 21. a lower die; 22. a involution groove; 23. a cutter rest; 24. a precise cutting knife; 25. a product positioning base; 26. a spring fixing seat; 27. a first compression spring; 28. a second compression spring; 3. and (5) a product to be processed.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-6, in an embodiment of the utility model, an apparatus for cutting a rim charge by attaching a plastic shell comprises an upper die 1 and a lower die 2, wherein the upper die 1 comprises an upper die 11, a pressing steel frame 12 is arranged in a die cavity of the upper die 11, the lower die 2 comprises a lower die 21, four sets of matching flanges 13 are symmetrically arranged at the bottom of a die seat of the upper die 11 at the corner end, four sets of matching grooves 22 are symmetrically arranged at the top of the die seat of the lower die 21 at the corner end, the matching flanges 13 and the matching grooves 22 are in one-to-one correspondence with each other, when rim charge blanking equipment is utilized to perform blanking work on rim charge of the product 3 to be processed, the product 3 to be processed is placed on a product positioning base 25, after the placement, the upper die 1 and the lower die 2 are pushed, a pressing steel frame 12 in a die cavity of the upper die 1 is utilized to press the product 3 to be processed onto a precise cutting knife 24, and the rim charge is subjected to blanking work in the blanking work, and in the blanking process of the product 3 to be processed, the one-to-one correspondence between the matching flanges 13 and the matching grooves 22 can improve the accuracy of the matching between the upper die 1 and the lower die 2.

The die cavity of lower mould 21 is inside to be provided with spring fixing base 26, and just be provided with cutting knife rest 23 to the die holder top of lower mould 21 outside the accent of spring fixing base 26, cutting knife rest 23's grillage top is provided with accurate cutting knife 24, accurate cutting knife 24 is square frame structure, and four corner ends of accurate cutting knife 24 are chamfer shape zigzag structure, in the blanking process of treating the rim charge of processing product 3, accurate cutting knife 24 carries out blanking cutting work to the rim charge of processing product 3 of pushing down, and in the cutting process, through the zigzag cutting tooth of its corner end, can improve the exquisite of treating the trimming of processing product 3, strengthen its aesthetic property.

The plate seat front and back sides of the spring fixing seat 26 are provided with first compression springs 27 in a pairwise symmetrical mode, the plate seat two sides of the spring fixing seat 26 are symmetrically provided with second compression springs 28, spring seat tops of the first compression springs 27 and the second compression springs 28 are fixedly connected with a product positioning base 25 penetrating through a cutting knife frame 23, the number of the first compression springs 27 is two, each group is two, the number of the second compression springs 28 is two, the two second compression springs 28 are opposite to the space central axis positions of the two groups of the first compression springs 27, the upper plate surface of the spring fixing seat 26 is provided with a stop pier seat, when a blanking steel frame 12 is used for blanking a product 3 to be processed, elastic supporting cutters of the product positioning base 25 through the first compression springs 27 and the second compression springs 28 can enable the product positioning base 25 to keep elastic downward trend, the hard collision strength of the product 3 to be processed and the precision cutting knife 24 is reduced, hard knocking conditions of the product 24 are reduced, and the precision cutting knife 3 can keep compact positioning state of the product to be more compact than the precision cutting base 25 is improved.

The working principle of the utility model is as follows: when the rim charge blanking equipment is utilized to perform blanking work on rim charge of a product 3 to be processed, the product 3 to be processed is placed on the product positioning base 25, after the placement is finished, the upper die 1 and the lower die 2 are pushed to be combined, the material pressing steel frame 12 in the die cavity of the upper die 1 is utilized to press the product 3 to be processed to the precise cutting knife 24, blanking and slitting work is performed on the rim charge of the product 3 to be processed, in the blanking process of the rim charge of the product 3 to be processed, when the material pressing steel frame 12 presses down the product 3 to be processed, the elastic support of the first compression spring 27 and the second compression spring 28 on the product positioning base 25 can enable the product positioning base 25 to keep the elastic downward moving trend, the product 3 to be processed is driven to move elastically downward, on the one hand, the hard collision strength of the product 3 to be processed and the precise cutting knife 24 is reduced, on the other hand, the product 3 to be processed and the product positioning base 25 are kept in a more tight fit state, the blanking precision of the product is improved, in the blanking precision of the rim charge of the product to be processed, in the trimming process, and the trimming edge of the product 3 to be cut is cut, and the edge charge of the product to be processed can be cut simultaneously, and the trimming edge charge of the product to be processed is enabled to be cut, and the trimming edge tooth is improved.

Claims (5)

1. The equipment for cutting the rim charge by attaching the leather material to the plastic shell is characterized by comprising an upper die (1) and a lower die (2);

the upper die (1) comprises an upper die (11), and a material pressing steel frame (12) is arranged in a die cavity of the upper die (11);

the lower die (2) comprises a lower die (21), a spring fixing seat (26) is arranged in a die cavity of the lower die (21), a cutting knife rest (23) is arranged right above a die seat of the lower die (21) outside an coelent of the spring fixing seat (26), a precise cutting knife (24) is arranged above a plate frame of the cutting knife rest (23), first compression springs (27) are arranged on the front side and the rear side of a plate seat of the spring fixing seat (26) in a two-to-two symmetrical mode, second compression springs (28) are symmetrically arranged on the two sides of the plate seat of the spring fixing seat (26), and spring seat tops of the first compression springs (27) and the second compression springs (28) are fixedly connected with a product positioning base (25) penetrating through the cutting knife rest (23).

2. The equipment for cutting the rim charge for attaching the leather material to the plastic shell according to claim 1, wherein four groups of matching flanges (13) are symmetrically arranged at the positions of the corners of the bottom of the die holder of the upper die (11), four groups of matching grooves (22) are symmetrically arranged at the positions of the corners of the top of the die holder of the lower die (21), and the matching flanges (13) and the matching grooves (22) are in one-to-one correspondence with each other.

3. The apparatus for trimming plastic housing attachment of a trim material according to claim 1, wherein the number of the first compression springs (27) is two, each of the two, the number of the second compression springs (28) is two, and the two second compression springs (28) are located at a position corresponding to a central axis of a distance between the two first compression springs (27).

4. The apparatus for trimming plastic housing attachment panels as claimed in claim 1 wherein said upper panel of said spring holder (26) is provided with a stop abutment.

5. The apparatus for trimming plastic housing attached skin material according to claim 1, wherein the precision trimming blade (24) has a square frame structure, and four corner ends of the precision trimming blade (24) have rounded saw tooth structures.