CN214348901U

CN214348901U - Steel band circle hem design mould

Info

Publication number: CN214348901U
Application number: CN202120169360.XU
Authority: CN
Inventors: 林伟冰
Original assignee: Shantou Senchuan Laser Technology Co ltd
Current assignee: Shantou Senchuan Laser Technology Co ltd
Priority date: 2021-01-21
Filing date: 2021-01-21
Publication date: 2021-10-08
Anticipated expiration: 2031-01-21

Abstract

The utility model aims at providing a steel band circle crimp design mould can realize pressing the crimp design operation from top to bottom through a punching press, improves work efficiency. The edge rolling and shaping mold for the steel band ring comprises an upper mold and a lower mold, wherein a cylindrical cavity is formed in the middle of the bottom surface of the upper mold, a rolling groove with a downward opening is formed in the bottom opening of the cavity in a connected mode, a central mold column is arranged on the lower mold, an annular sleeve portion is arranged on the outer peripheral wall of the central mold column, and an annular positioning groove is formed between the annular sleeve portion and the central mold column.

Description

Steel band circle hem design mould

Technical Field

The utility model belongs to the technical field of machining equipment, concretely relates to steel band circle crimping design mould.

Background

In the manufacture of products such as flour sieves, steamers and the like, the peripheral wall portions of these products are typically formed by coiling steel strips and welding the coils, the welded steel strip coil 1 being shown in fig. 1. After the steel strip is welded into the steel strip ring 1, the upper end and the lower end of the steel strip ring 1 are respectively curled inwards, so that the steel strip ring 1 is shaped, as shown in fig. 3. At present, the edge rolling operation of the steel belt ring generally needs multiple processes, needs multiple times of transfer and is low in working efficiency. Therefore, the process of crimping is reduced as much as possible, the number of simplified equipment is reduced, the transfer process is reduced, the working efficiency is improved, and the cost is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a steel band circle crimp design mould can realize pressing the crimp design operation from top to bottom through a punching press, improves work efficiency.

According to the utility model provides a steel band circle crimp design mould, including last mould and lower mould, the bottom surface middle part of going up the mould is equipped with the cylindric cavity of letting, the bottom opening connection that lets the cavity is equipped with the opening circle of rolling up groove down, the lower mould is equipped with central moulding post, the periphery wall of central moulding post is equipped with annular sleeve portion, annular sleeve portion with be annular positioning groove between the central moulding post.

The utility model discloses during the use, will put into the lower mould through the upper end extrusion flanging of pre-setting's steel band circle, make the lower extreme of steel band circle insert in the annular positioning groove, then go up the mould and push down, go up the mould and push down the back, the edge rolling groove of last mould supports the upper end and the flanging of steel band circle, it continues to push down to go up the mould, the lower extreme of the spacing steel band circle of annular positioning groove of lower mould this moment extrudees the steel band circle up, the upper end of steel band circle receives after the extrusion downwards the book again along the edge rolling groove outwards, the flanging of last steel band circle becomes interior turn-up down, clip the part suppression of location in the annular positioning groove simultaneously and be last interior turn-up, realize the design.

Further, the top of the annular sleeve portion is in arc transition. The radian of the upper inner curled edge after pressing can be adjusted through the arc transition, and the curled edge quality is ensured.

Furthermore, two sides of the upper die are provided with upper positioning wing plates, two sides of the lower die are provided with lower positioning wing plates, guide positioning columns penetrate between the upper positioning wing plates and the lower positioning wing plates, a movable template is sleeved on the outer peripheral wall of the annular sleeve portion of the lower die, and two sides of the movable template are connected with the lower positioning wing plates. The movable mould plate has the functions of guiding and positioning and demoulding.

Furthermore, the guide positioning columns are provided with four left and right pairs.

Drawings

Fig. 1 is a schematic structural diagram of a welded steel band ring.

Fig. 2 is a schematic structural diagram of steel belt ring pre-shaping.

Fig. 3 is a schematic structural diagram of the steel band coil after edge rolling and pressing.

Fig. 4 is one of the schematic structural diagrams of the present invention.

Fig. 5 is a second schematic structural diagram of the present invention.

Fig. 6 is a partial cross-sectional enlarged view of the upper and lower dies of the present invention.

Fig. 7 is a schematic view of a radial cross-sectional structure of a steel band coil after hemming and pressing.

In which the figures are as follows: 1. a steel band ring; 11. flanging; 10a, rolling up the inner edge; 10b, lower inner curling; 2. an upper die; 21. a cavity is formed; 22. rolling a circular groove; 23. an upper positioning wing plate; 3. a lower die; 31. a central mold pillar; 32. an annular sleeve portion; 33. an annular positioning groove; 34. a lower positioning wing plate; 35. guiding the positioning column; 36. and (4) moving the template.

Detailed Description

The following description of the embodiments of the present invention will be made in detail with reference to the accompanying drawings, wherein the embodiments of the present invention are described in detail with reference to the accompanying drawings, for example, the shapes and structures of the respective members, the mutual positions and connection relationships between the respective portions, the functions and operation principles of the respective portions, and the like.

As shown in fig. 4-7, the utility model discloses a steel band circle crimp forming die, including last mould 2 and lower mould 3, the bottom surface middle part of going up mould 2 is equipped with the cylindric cavity 21 that lets, lets the bottom opening connection of cavity 21 be equipped with opening rolling slot 22 down, and lower mould 3 is equipped with central mold column 31, and the periphery wall of central mold column 31 is equipped with annular sleeve portion 32, is annular positioning groove 33 between annular sleeve portion 32 and the central mold column 31.

The utility model discloses during the use, will through the steel band circle 1 shown in figure 2 of the upper end extrusion flanging 11 of pre-setting put into lower mould 3, make in the lower extreme of steel band circle 1 inserts annular positioning groove 33, then go up mould 2 and push down, go up mould 2 and push down the back, go up the edge rolling groove 22 of mould 2 and support the upper end and the flanging 11 of steel band circle 1, it continues to push down to go up mould 2, the lower extreme of the spacing steel band circle 1 of annular positioning groove 33 of lower mould 3 this moment and with steel band circle 1 extrusion up, the upper end of steel band circle 1 is being rolled up the outside backward downward roll of edge rolling groove 22 in the same direction after the extrusion again, last steel band circle 1 original flanging 11 becomes internal curling 10b down, clip the partial suppression of location in the annular positioning groove 33 is last internal curling 10a simultaneously, as shown in figure 7, realize the design.

In a preferred embodiment, the top of the annular sleeve portion 32 is radiused. The radian of the pressed upper inner curled edge 10a can be adjusted through the arc transition, and the curled edge quality is ensured.

Preferably, the upper positioning wing plates 23 are arranged on two sides of the upper die 2, the lower positioning wing plates 34 are arranged on two sides of the lower die 3, the guide positioning columns 35 are arranged between the upper positioning wing plates 23 and the lower positioning wing plates 34 in a penetrating mode, the outer peripheral wall of the annular sleeve portion 32 of the lower die 3 is sleeved with the movable die plate 36, and two sides of the movable die plate 36 are connected with the lower positioning wing plates 34. The movable mould plate 36 has the functions of guiding and positioning as well as demoulding.

Preferably, the guiding positioning columns 35 are provided with four left and right pairs.

The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.

Claims

1. The steel band ring edge rolling and shaping mold is characterized by comprising an upper mold and a lower mold, wherein a cylindrical cavity is formed in the middle of the bottom surface of the upper mold, a rolling groove with a downward opening is formed in the bottom opening of the cavity in a connected mode, a central mold column is arranged on the lower mold, an annular sleeve portion is arranged on the outer peripheral wall of the central mold column, and an annular positioning groove is formed between the annular sleeve portion and the central mold column.

2. The steel band ring hemming shaping mold of claim 1 wherein the top of the annular sleeve portion is rounded off.

3. The steel band coil hemming and shaping mold according to claim 1 or 2, wherein upper positioning wing plates are arranged on two sides of the upper mold, lower positioning wing plates are arranged on two sides of the lower mold, guide positioning columns are arranged between the upper positioning wing plates and the lower positioning wing plates in a penetrating manner, a movable mold plate is sleeved on the outer peripheral wall of the annular sleeve portion of the lower mold, and two sides of the movable mold plate are connected with the lower positioning wing plates.

4. The steel band ring hemming shaping mold of claim 3 wherein the guiding positioning columns are four in two pairs, left and right.