CN216501748U - Multi-size square-hole box shell flanging device - Google Patents

Abstract

The utility model relates to the field of sheet metal forming equipment, and discloses a flanging device for a multi-size square-hole box shell. The box shell pressing device comprises an upper die, a pressing assembly, a reference forming die, a lower die, a box shell and a box cover, wherein the upper die can move towards the lower die under the driving of power sources such as an oil cylinder or an air cylinder, the pressing assembly is arranged at the bottom of the upper die and can stretch up and down, the pressing assembly is in an extension state in an initial state and starts to contract when contacting with the lower die to press the box shell, the reference forming die is arranged at the bottom of the upper die and is adjacent to the pressing assembly, and the bottom surface of the reference forming die is higher than that of the pressing assembly in the initial state. The device is through increasing a plurality of mould increment subassemblies that can increase turn-ups size on the basis of benchmark moulded die and carry out the turn-ups in order to adapt to the square hole of different sizes, need not to change the mould, and easy operation is swift, has improved production manufacturing efficiency, has reduced manufacturing cost.

Description

Multi-size square-hole box shell flanging device

Technical Field

The utility model relates to the field of sheet metal forming equipment, in particular to a flanging device for a box shell with multiple sizes of square holes.

Background

In the sheet metal forming production line, a large square hole of a sheet material is often required to be flanged, and because the square hole is closed, a flanging die has uniqueness, namely the length of the flanging die corresponds to the side length of a flanging, and a pair of dies is required to be added when the size of the flanging is increased. During flanging, the upper die is pressed downwards to drive the raw material die to be pressed downwards so as to press the material sheet, then the upper die is continuously pressed downwards, the forming die is used for flanging the material sheet downwards, in the flanging process, the lower die and the material pressing die of the die can be longer than the bending side, but the forming die can not be longer than the bending side, otherwise the material sheet can be torn, meanwhile, the forming die is short and cannot be bent, and the same die can not adapt to flanging of a plurality of square holes with different sizes.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a flanging device for a box shell with square holes of various sizes, which can be used for flanging square holes of different sizes, and is simple to operate and low in cost.

In order to achieve the above object, the present invention provides a flanging device for a box shell with multiple square holes, comprising:

an upper die;

a lower die;

the pressing component is arranged at the bottom of the upper die, can stretch up and down, is in an extension state in an initial state, starts to contract when contacting with the lower die and is used for pressing the box shell;

the datum forming die is arranged at the bottom of the upper die and is adjacent to the swaging component, the bottom surface of the datum forming die is higher than that of the swaging component in an initial state, and when the swaging component is completely contracted, the datum forming die is used for flanging the box shell;

the die increment assemblies are arranged at the bottoms of the upper dies and can stretch out and retract, the die increment assemblies are connected with the reference forming dies side by side and used for sequentially accumulating the flanging lengths of the reference forming dies, and the die increment assemblies are in a contraction state in an initial state and do not influence the independent use of the reference forming dies;

the number of the adjusting assemblies is the same as that of the die increment assemblies, each adjusting assembly corresponds to each die increment assembly one by one and is used for controlling the corresponding die increment assembly to stretch, and when each die increment assembly extends completely, the bottom surface of each adjusting assembly is flush with the bottom surface of the reference forming die.

Preferably, the swaging assembly comprises:

the first material pressing die is arranged at the bottom of the upper die;

one end of the telescopic spring is connected with the bottom of the first material pressing die;

and the top of the second material pressing die is connected with the other end of the telescopic spring.

Preferably, the die increment assembly comprises:

the first incremental die is arranged at the bottom of the upper die;

and the second incremental die is arranged below the first incremental die, and the first incremental die and the second incremental die are connected through a tension spring.

Preferably, the adjustment assembly comprises:

the air cylinder is arranged on one side, away from the reference forming die, of the material pressing assembly;

one end of the step sliding plate is in transmission connection with the air cylinder, one end, far away from the air cylinder, of the step sliding plate movably penetrates through the material pressing assembly and is inserted into the middle of a gap between the first incremental die and the second incremental die, the height of the portion, inserted into the gap, of the step sliding plate is smaller than or equal to the length of the tension spring when the tension spring is completely contracted, the height of the portion, not inserted into the gap, of the step sliding plate is equal to the height difference between the bottom surface of the reference forming die and the bottom surface of the die incremental assembly in an initial state, and the portion, inserted into the gap, of the step sliding plate is connected with the portion, not inserted into the gap, of the step sliding plate through an inclined surface.

Preferably, the increment of each of said modular incremental components is the same.

Preferably, the increase in each of said die increment elements is 10mm, 100mm or 1000 mm.

According to the technical scheme, the utility model discloses a flanging device of a multi-size square-hole box shell, which is simple and rapid to operate, improves the production and manufacturing efficiency and reduces the production cost by adding a plurality of die increment assemblies capable of increasing the flanging size on the basis of a reference forming die to adapt to square holes of different sizes for flanging, and a die does not need to be replaced.

Additional features and advantages of the utility model will be set forth in the detailed description which follows.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic diagram showing the structure of a flanging device for a multi-size square-hole cabinet according to an embodiment of the utility model;

FIG. 2 is a cross-sectional view of a mold increment assembly of a multi-sized square-hole box shell flanging device according to an embodiment of the utility model as retracted;

FIG. 3 illustrates a cross-sectional view of a die increment assembly of a multi-sized square hole box shell flanging device according to an embodiment of the utility model in an extended position;

FIG. 4 is a diagram showing a first flange size configuration of a flanging device for a multi-size square hole cabinet according to an embodiment of the utility model;

FIG. 5 is a diagram showing a second flange size configuration of the flanging device for a multi-size square hole cabinet according to an embodiment of the utility model;

fig. 6 is a diagram showing a third burring dimension structure of the burring apparatus for a multi-size square-hole box according to an embodiment of the present invention.

In the figure:

1. upper die 2 and lower die

3. Pressing component 31 and first pressing die

32. Extension spring 33 and second pressing die

4. Benchmark forming die 5 and die increment assembly

51. First incremental modulus 52, second incremental modulus

6. Adjusting part 61 and air cylinder

62. Step skateboard

Detailed Description

The following detailed description of embodiments of the utility model refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the preferred embodiment of the utility model, are given by way of illustration and explanation only, not limitation.

Referring to fig. 1 to 3, the present embodiment provides a flanging device for a multi-size square-hole box shell, which includes an upper die 1, a lower die 2, a swaging component 3, a reference forming die 4, a die increment component 5, and an adjusting component 6. Wherein, the upper die 1 can move towards the lower die 2 under the driving of power sources such as an oil cylinder or an air cylinder, the material pressing component 3 is arranged at the bottom of the upper die 1, the material pressing component 3 can stretch up and down and is in an extension state in an initial state, the material pressing component begins to shrink when contacting with the lower die 2 and is used for pressing a box shell, the reference forming die 4 is arranged at the bottom of the upper die 1 and is adjacent to the material pressing component 3, the bottom surface of the reference forming die 4 is higher than the bottom surface of the material pressing component 3 in the initial state, when the material pressing component 3 is completely shrunk, the reference forming die 4 carries out flanging on the box shell, the die increment components 5 are provided with a plurality of die increment components 5 which are all positioned at the bottom of the upper die 1, the plurality of die increment components 5 can stretch out and draw back, the plurality of die increment components 5 are connected with the reference forming die 4 side by side and are used for sequentially accumulating the flanging length of the reference forming die increment components 4, and the die increment components 5 are in a shrinking state in the initial state, the independent use of the reference forming die 4 is not influenced, the number of the adjusting assemblies 6 is the same as that of the die increment assemblies 5, each adjusting assembly 6 corresponds to each die increment assembly 5 one by one and is used for controlling the corresponding die increment assembly 5 to stretch and contract, and when each die increment assembly 5 is completely stretched, the bottom surface of each adjusting assembly is flush with the bottom surface of the reference forming die 4.

Specifically, when the square hole of the box shell is flanged, the adjusting component 6 is controlled according to the size adjustment of the flanged square hole to drive the die increment components 5 with corresponding quantity to extend, namely when the side length of the square hole is equal to that of the reference forming die 4, the die increment components 5 are not needed, and when the length difference between the side length of the square hole and the length difference between the reference forming die 4 is the length of one die increment component 5, one die increment component 5 is driven to extend, and the like. Then, the oil cylinder drives the upper die 1 to press down, the pressing component 3, the reference forming die 4, the die increment component 5 and the adjusting component 6 are driven to move downwards at the same time in the pressing process of the upper die 1, the edge of the pressing component 3 is flush with the edge of the lower die 2, in the pressing process, the pressing component 3 firstly contacts the lower die 2 to press the material sheet of the box shell, then the upper die 1 continues to move downwards, the pressing component 3 begins to shrink, and the reference forming die 4 and the die increment components 5 in corresponding quantity downwards turn the square hole of the box shell together. The square hole flanging with different sizes formed by a single pair of dies is realized, and the principle is simple. The cost is greatly saved, when square holes of different sizes are required to be produced, the die change is not needed, the corresponding number of die increment assemblies 5 are controlled to extend through the adjusting assembly 6, time and labor are saved, the automation degree of the equipment is improved, and the grade of the equipment is improved.

Referring to fig. 1, the pressing assembly 3 includes a first pressing mold 31, a retractable spring 32, and a second pressing mold 33. The first material pressing die 31 is arranged at the bottom of the upper die 1, one end of the telescopic spring 32 is connected with the bottom of the first material pressing die 31, and the top of the second material pressing die 33 is connected with the other end of the telescopic spring 32. During the process of pressing down the upper die 1, the second pressing die 33 firstly contacts with the material sheet on the lower die 2, during the process of continuing pressing down the upper die 1, the telescopic spring 32 contracts, the second pressing die 33 compresses the material sheet, and when the telescopic spring 32 is completely compressed, the reference forming die 4 completes flanging.

Referring to fig. 3 and 4, the module increment assembly 5 includes a first increment module 51 and a second increment module 52. The first incremental die 51 is arranged at the bottom of the upper die 1, the second incremental die 52 is arranged below the first incremental die 51, and the first incremental die 51 and the second incremental die 52 are connected through a tension spring. In the initial state, there is a gap between the first incremental die 51 and the second incremental die 52 due to the action of the tension springs, and preferably, two tension springs are provided, and the two tension springs are symmetrically arranged between the first incremental die 51 and the second incremental die 52.

The adjustment assembly 6 includes a cylinder 61 and a step slide 62. The cylinder 61 is arranged on one side of the swaging component 3, which is far away from the reference forming die 4, one end of the step sliding plate 62 is in transmission connection with the cylinder 61, one end of the step sliding plate 62, which is far away from the cylinder 61, movably penetrates through the swaging component 3 and is inserted into the middle of a gap between the first incremental die 51 and the second incremental die 52, the height of the part of the step sliding plate 62, which is inserted into the gap, is smaller than or equal to the length of the tension spring when the tension spring is completely contracted, the height of the part of the step sliding plate 62, which is not inserted into the gap, is equal to the height difference between the bottom surface of the reference forming die 4 and the bottom surface of the die incremental component 5 in the initial state, and the part of the step sliding plate 62, which is inserted into the gap, is connected with the part of the step sliding plate 62, which is not inserted into the gap, through an inclined surface. When the length of the reference forming die 4 does not need to be increased, the cylinder 61 is in a contraction state, and the length of the reference forming die 4 is the side length of the minimum square hole; when the length of the reference forming die 4 needs to be increased, the cylinder 61 extends to drive the step sliding plate 62 to move rightwards, due to the effect of the inclined surface, the step sliding plate 62 can be smoothly inserted into the gap, so that the second incremental die 52 moves downwards, when the step sliding plate 62 is completely inserted into the gap, the second incremental die 52 moves to the maximum displacement, the bottom surface of the second incremental die is flush with the bottom surface of the reference forming die 4, and the square hole is flanged.

The increase in each die increment element 5 is the same, with each die increment element 5 increasing by 10mm, 100mm or 1000 mm. In the present embodiment, the reference molding dies 4 have a length of 300mm, and the cumulative length of each die increment assembly 5 is 100 mm. When only a square hole with the length of 300mm needs to be flanged, one reference forming die 4 can be completed (as shown in fig. 4), when the square hole with the side length of 500mm needs to be flanged, two die increment assemblies 5 are added (as shown in fig. 5), and when the square hole with the side length of 600mm needs to be flanged, three die increment assemblies 5 are added (as shown in fig. 6).

According to the technical scheme, the utility model discloses a flanging device of a multi-size square-hole box shell, which is simple and rapid to operate, improves the production and manufacturing efficiency and reduces the production cost by adding a plurality of die increment assemblies capable of increasing the flanging size on the basis of a reference forming die to adapt to square holes of different sizes for flanging, and a die does not need to be replaced.

The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the specific details of the above embodiments, and various simple modifications can be made to the technical solution of the present invention within the technical idea of the present invention, and these simple modifications are within the protective scope of the present invention. It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and the utility model is not described in any way for the possible combinations in order to avoid unnecessary repetition.

In addition, any combination of the various embodiments of the present invention is also possible, and the same should be considered as the disclosure of the present invention as long as it does not depart from the spirit of the present invention.

Claims (6)

1. The utility model provides a many sizes square hole case shell flanging device which characterized in that includes:

an upper die (1);

a lower die (2);

the pressing component (3) is arranged at the bottom of the upper die (1), the pressing component (3) can stretch up and down, is in an extension state in an initial state, and begins to contract when contacting with the lower die (2) to press the box shell;

the base forming die (4) is arranged at the bottom of the upper die (1) and is adjacent to the swaging component (3), the bottom surface of the base forming die (4) is higher than that of the swaging component (3) in an initial state, and when the swaging component (3) is completely contracted, the base forming die (4) is used for flanging the box shell;

the die increment assemblies (5) are arranged at the bottoms of the upper dies (1), the die increment assemblies (5) are all arranged at the bottoms of the upper dies (1) and can stretch out and draw back, the die increment assemblies (5) are connected with the reference forming dies (4) side by side and are used for sequentially accumulating the flanging lengths of the reference forming dies (4), and the die increment assemblies (5) are in a contraction state in an initial state and do not influence the independent use of the reference forming dies (4);

the number of the adjusting assemblies (6) is the same as that of the die increment assemblies (5), each adjusting assembly (6) corresponds to each die increment assembly (5) one by one and is used for controlling the corresponding die increment assembly (5) to stretch, and when each die increment assembly (5) is fully stretched, the bottom surface of each adjusting assembly is flush with the bottom surface of the reference forming die (4).

2. The flanging device of the box shell with the square holes in the multi-size according to claim 1, wherein the swaging component (3) comprises:

the first material pressing die (31), the first material pressing die (31) is arranged at the bottom of the upper die (1);

one end of the telescopic spring (32) is connected with the bottom of the first material pressing die (31);

and the top of the second material pressing die (33) is connected with the other end of the telescopic spring (32).

3. The flanging device for the square-hole box shell of claim 1, wherein the die increment assembly (5) comprises:

the first incremental die (51), the said first incremental die (51) is set up in the bottom of the upper die (1);

the second incremental die (52), the second incremental die (52) is arranged below the first incremental die (51), and the first incremental die (51) is connected with the second incremental die (52) through a tension spring.

4. The flanging device for housings of square hole boxes according to claim 3, characterized in that said adjustment assembly (6) comprises:

the air cylinder (61), the air cylinder (61) is arranged on one side of the swaging component (3) far away from the reference forming die (4);

one end of the step sliding plate (62) is in transmission connection with the air cylinder (61), one end, far away from the air cylinder (61), of the step sliding plate (62) movably penetrates through the material pressing assembly (3) and is inserted into the middle of a gap between the first incremental die (51) and the second incremental die (52), the height of the portion, inserted into the gap, of the step sliding plate (62) is smaller than or equal to the length of the tension spring when the tension spring is completely contracted, the height of the portion, not inserted into the gap, is equal to the height difference between the bottom surface of the reference forming die (4) and the bottom surface of the die incremental assembly (5) in an initial state, and the portion, inserted into the gap, of the step sliding plate (62) is connected with the portion, not inserted into the gap, through an inclined surface.

5. The flanging device for the square-hole cabinets of claim 4, wherein the increment of each die increment assembly (5) is the same.

6. The flanging device for the square-hole cabinets of claim 1, wherein the increment of each die increment assembly (5) is 10mm, 100mm or 1000 mm.

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