CN203409085U - Reverse turning plate bending mould - Google Patents

Abstract

The utility model discloses a reverse turning plate bending mould which comprises a concave mould insert block, a floating material block and a pressing mould insert block, wherein the floating material block is moveably arranged in a concave mould of the concave mould insert block; the floating material block can move up and down along a vertical direction; the pressing mould insert block is arranged above the floating material block and is matched with the concave mould insert block; the top of the floating material block is upwards protruded, so as to form a lug boss; the length of the lug boss is less than the length of the concave mould of the concave mould insert block; the length of the pressing mould insert block is corresponding to the length of the lug boss; reverse turning parts are respectively pivoted on two side walls of the lug boss; the top surfaces of the reverse turning parts and the top surface of the lug boss are on a same horizontal plane; the bottoms of the reverse turning parts are resisted against the top of the mould on the two sides of the concave mould insert block. A rotating principle is reasonably utilized to bend workpieces by the reverse turning plate bending mould provided by the utility model, so that the defects of dents and pressed injuries brought by a common bending mould are avoided.

Description

Flap bending mold

technical field

The utility model relates to a mould, in particular to a turning plate bending mould.

Background technique

The forming method of a metal workpiece that is bent into a certain shape and angle is called bending. Most of these parts are formed by bending dies on a press, and can also be bent, rolled or stretched with a special bending machine.

Existing bending mold, as shown in Figure 1, comprises a die insert 90 and a die insert 91, and described die insert 91 cooperates with described die insert 90, in die insert A floating material block 92 is movable in the die of the block 90, and the floating material block 92 can move up and down in the vertical direction. The workpiece 93 to be processed is placed on the floating material block 92, and both ends exceed the floating material block 92 , The die insert 91 is arranged above the die insert 90 for pushing against the floating material block 92 and driving the workpiece 93 to move downward together. During processing, as shown in Figure 2, the die insert 91 pushes against the floating material block 92 from top to bottom, and cooperates with the extrusion of the inner side wall of the die insert 90 to bend the two ends of the workpiece 93 . The formed workpiece 93. Since the two ends of the workpiece 93 are in direct frictional contact with the inner wall of the die insert 90 during the bending process, indentations and scars will appear on the outer wall edges of the two ends of the workpiece 93, which affects the appearance of the product and causes The quality of the product does not meet the requirements, and because of problems caused by bending, a lot of manpower and material resources are wasted for repair.

Utility model content

In view of the above problems, the utility model provides a flap bending mold, which includes a die insert, a floating material block and a die insert, and the floating material block is movably arranged on the die insert In the die, the floating material block can move up and down in the vertical direction, and the die insert is arranged above the floating material block to cooperate with the die insert, wherein:

The top of the floating material block protrudes upwards to form a bump, the length of the bump is shorter than the length of the die of the die insert, and the length of the die insert corresponds to the length of the bump;

An overturning piece is pivotally connected to the two side walls of the protrusion, and the top surface of the overturning piece is on the same level as the top surface of the protrusion, and the bottom of the overturning piece is against the die The top of the mold on both sides of the insert.

A further improvement of the utility model lies in that the pivot shaft of the turning member is arranged on the top edge of the side wall of the protrusion.

When working, the workpiece to be processed is placed on the floating material block, and the parts beyond the floating material block at both ends of the workpiece are placed on the flipping piece, and the die insert starts to push down against the floating material block. , the overturning piece moves down together with the floating material block, but because the bottom of the overturning piece is abutted by the molds on both sides of the die insert, it cannot move down, so the overturning piece starts to turn upward around the pivot axis, and At the same time, it drives the two ends of the workpiece to rotate upwards together. When the turning part rotates upwards, the bending operation of the workpiece is completed.

The turnover plate bending mold of the utility model rationally uses the principle of rotation to bend the workpiece, avoiding the disadvantages of indentation and crushing caused by ordinary bending molds. Its advantages are:

1. Greatly reduce the cost of mold repair and mold adjustment;

2. Eliminate the bad risk of scrapping parts caused by indentation and crushing in product bending.

Description of drawings

Fig. 1 is a structural schematic diagram of a bending die in the prior art.

Fig. 2 is a schematic diagram of the working state of the bending die in the prior art.

Fig. 3 is a structural schematic diagram of the flap bending mold of the present invention.

Fig. 4 is a schematic structural view of the floating block of the flap bending mold of the present invention.

Fig. 5 is a schematic diagram of a working state of the flap bending mold of the present invention.

Fig. 6 is a schematic diagram of another working state of the flap bending mold of the present invention.

Detailed ways

In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model, and are not intended to limit the utility model.

Referring to Fig. 3, the panel bending mold 1 of the present utility model includes a die insert 10, a floating material block 20 and a die insert 30, and the floating material block 20 is movably arranged on the In the die 101 of the die insert 10 , the floating material block 20 can move up and down in the vertical direction, and the die insert 30 is arranged above the float block 20 to cooperate with the die insert 10 ,in:

As shown in FIG. 4 , the top of the floating material block 20 protrudes upwards to form a bump 201 , the length of the bump 201 is less than the length of the die 101 of the die insert 10 , and the die insert The length of the block 30 corresponds to the length of the bump 201;

A turning member 202 is respectively pivotally connected to the two side walls of the protrusion 201, and the top surface of the turning member 202 is on the same level as the top surface of the protrusion 201, and the bottom of the turning member 202 is against the on the top of the mold 102 on both sides of the die insert 10 . In a preferred embodiment of the present invention, the pivot shaft of the flipping member 202 is arranged on the top edge of the side wall of the protrusion 201 .

5 and 6, when working, the workpiece 93 to be processed is placed on the floating material block 20, and the parts of the two ends of the workpiece 93 beyond the floating material block 20 are placed on the turning member 202. The mold insert 30 begins to push down against the floating material block 20. At this moment, as shown in FIG. The abutting effect of the molds 102 on both sides cannot move downwards, so the turning member 202 starts to rotate upwards around the pivot axis, and simultaneously drives the two ends of the workpiece 93 to rotate upwards together, as shown in Figure 6, when the turning member 202 After turning upwards by 90 degrees, the bending operation of the workpiece 93 is completed.

The above descriptions are only preferred embodiments of the utility model, and do not limit the utility model in any form. Although the utility model has been disclosed as above with preferred embodiments, it is not used to limit the utility model. Those skilled in the art, without departing from the scope of the technical solution of the utility model, can use the technical content disclosed above to make some changes or modify equivalent embodiments with equivalent changes, but all the technical solutions of the utility model do not depart from Any simple modifications, equivalent changes and modifications made to the above embodiments according to the technical essence of the utility model still belong to the scope of the technical solution of the utility model.

Claims (2)

1. A turnover plate bending mold, comprising a die insert, a floating material block and a die insert, said floating material block is movably arranged in the die of said die insert, said floating material The material block can move up and down in the vertical direction, and the die insert is arranged above the floating material block to cooperate with the die insert, which is characterized in that: The top of the floating material block protrudes upwards to form a bump, the length of the bump is shorter than the length of the die of the die insert, and the length of the die insert corresponds to the length of the bump; An overturning piece is pivotally connected to the two side walls of the protrusion, and the top surface of the overturning piece is on the same level as the top surface of the protrusion, and the bottom of the overturning piece is against the die The top of the mold on both sides of the insert. 2 . The turning plate bending mold according to claim 1 , wherein the pivot shaft of the turning member is arranged on the top edge of the side wall of the protrusion. 3 .

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