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Novel hydraulic edge folding device

A hemming device and hydraulic technology, which is applied in the field of new hydraulic hemming devices, can solve problems such as the inability to form an all-inclusive hemming structure and the failure of a hemming machine to bend, so as to improve the range of hemming processing, ensure accuracy, and improve The effect of structural strength

Pending Publication Date: 2020-11-13
湖南南洋电气有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The edge folding machine is an important equipment for bending and forming sheet metal parts. In the existing edge folding machines, the lower knife on the lower tool rest is usually designed to have an angle of folding and forming, and the upper knife is used to bend the plate downwards. The folding machine of this structure cannot bend more than 3 times continuously, let alone form a closed all-inclusive hemming structure (such as Figure 8 shown)

Method used

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  • Novel hydraulic edge folding device
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  • Novel hydraulic edge folding device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] see figure 1 , figure 2 , Figure 4 and Figure 5 , the new hydraulic hemming device 1 includes a bed 11 , an upper knife rest 12 , a lower knife rest 13 , a folding knife plate 14 and a hydraulic drive assembly 15 .

[0035] The bed 11 is welded together by the left side plate, the right side plate, the lower tool rest 13 , the bottom frame, etc. to form a workbench, and the lower knife 130 is fixedly installed on the lower tool rest 13 .

[0036] The upper knife rest 12 is installed on the lifting sliders 112 on both sides of the bed 11 relative to the lower knife rest 13, so that the upper knife rest 12 can move up and down relative to the lower knife rest 13, and the upper knife 120 is fixedly installed on the The upper knife rest 12.

[0037] Both ends of the top of the jackknife plate 14 are rotatably mounted on the bed 11, and the jackknife plate 14 is arranged on the front of the lower knife rest 13, and the jackknife 140 is fixedly installed relative to t...

Embodiment 2

[0043] Based on the first embodiment, this embodiment further discloses the hydraulic drive assembly.

[0044] see figure 1 , Figure 7, the hydraulic drive assembly 15 in this embodiment includes a platen cylinder 151, a folding plate cylinder 152 and a hydraulic system. The ejector rod is connected to the lifting slider 112, and the two folding plate oil cylinders 152 are hinged to the bottom ends of the bed 11, and the ejector rods of the folding plate oil cylinders 152 are hinged to the folding knife plate 14. The hydraulic system drives the pressing plate oil cylinder 151 and folding plate oil cylinder 152 .

[0045] The hydraulic system described in this embodiment is as Figure 7 As shown, it includes oil tank 01, oil strainer 02, oil pump 03, coupling, motor 04, oil pressure gauge 05, overflow valve 06, electromagnetic reversing valve one 07, electromagnetic reversing valve two 08 and sequence valve 09. The control mode of described hydraulic system is as follows:...

Embodiment 3

[0051] see figure 2 and image 3 , based on Embodiment 1 or Embodiment 2, the new hydraulic hemming device 1 of this embodiment further includes a folding plate limit adjustment assembly 18 to realize the adjustment and limit of the bending angle of the folding knife plate.

[0052] Specifically, the flap limit adjustment assembly 18 of this embodiment includes an index plate 181, a fixed block 182, a movable block 183 and an angle limit switch 184, and the index plate 181 is fixedly installed on the hinge At the end of the main shaft 17, the index plate 181 rotates with the rotation of the hinge main shaft 17. The fixed block 182 is fixed on the periphery of the index plate 181, and the surface of the index plate 181 is provided with Adjustment slot 1810 with angle scale, the movable block 183 is fixedly installed on the periphery of the index plate 181 through the adjustment slot 1810 through the locking bolt 185, and the angle limit switch 184 can touch the movable The s...

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Abstract

The invention relates to a novel hydraulic edge folding device. The novel hydraulic edge folding device comprises a lathe bed, upper tool rests, a lower tool rest, a bending tool plate and a hydraulicdriving assembly. The lower tool rest is arranged on the lathe bed, and a lower tool is fixedly mounted on the lower tool rest. The upper tool rests are mounted on lifting sliding blocks on the two sides of the lathe bed opposite to the lower tool rest, and an upper tool is fixedly mounted on the upper tool rests. The two ends of the top of the bending tool plate are rotationally mounted on the lathe bed, the bending tool plate is arranged on the front face of the lower tool rest, and a bending tool is fixedly mounted on the bending tool plate opposite to the lower tool. The hydraulic drivingassembly is arranged on the lathe bed, and is used for driving the upper tool rests to move up and down and driving the bending tool plate to do turnover motion relative to the lower tool rest. According to the novel hydraulic edge folding device, the hydraulic driving assembly is utilized for controlling the bending tool plate to turn over, bending is carried out inwards from the outer side of asheet metal part, continuous bending of the sheet metal part can be achieved in this bending manner, certain closed edge covering structures can be formed conveniently, and the structural strength ofproducts is improved.

Description

technical field [0001] The invention relates to the technical field of sheet metal parts processing equipment, in particular to a novel hydraulic hemming device. Background technique [0002] The edge folding machine is an important equipment for bending and forming sheet metal parts. The existing edge folding machines usually design the lower knife on the lower tool holder to have an angle of folding and forming, and use the upper knife to bend the plate downwards. The folding machine of this structure cannot bend more than 3 times continuously, let alone form a closed all-inclusive hemming structure (such as Figure 8 shown). Therefore, it is necessary to develop a new hydraulic hemming device that can realize continuous bending and can be adjusted according to the bending angle of the product to meet the shortcomings of existing production. Contents of the invention [0003] Aiming at the deficiencies of the prior art, the present invention provides a new hydraulic hem...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21D19/10B21D43/00
CPCB21D19/10B21D43/003
Inventor 蒯从安
Owner 湖南南洋电气有限公司
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