A metal sheet flanging device

Abstract

This utility model discloses a metal sheet flanging device, characterized in that it includes: an upper template and a lower template, both of which are provided with pads; guide rails are symmetrically fixed on one of the pads; insertion plates are inserted into each of the guide rails; a lower flanging pre-bending mold is provided on the left side of the insertion plate; a material ejection plate is provided on the insertion plate; a fixing plate is fixed on the other pad; a slide rail is provided on the fixing plate; an upper flanging pre-bending mold is movably mounted on the slide rail; a moving mechanism capable of moving the insertion plates is provided on the lower template; locking parts are symmetrically provided on the lower template; guide parts are provided on the insertion plate and the material ejection plate; and a pressure plate seat is provided on the upper template. Compared with the prior art, this device can complete the flanging and edge-wrapping steps of metal sheets, improving work efficiency.

Description

Technical Field

[0001] This utility model relates to the field of sheet metal flanging technology, and in particular to a sheet metal flanging device. Background Technology

[0002] Flanging refers to a forming method in which a die is used to create a straight wall or flange at a certain angle along a closed or open curved edge on a flat or curved portion of a workpiece. Flanging is a type of stamping process. There are many types of flanging, and the classification methods vary. According to the flanging direction, it can be divided into vertical flanging, horizontal flanging, and inclined flanging. Among them, vertical flanging, where the edge of the trimmed part faces upward, provides stable forming and convenient positioning. It can also use air pressure pads for material pressing, and should be used whenever possible.

[0003] To improve upon existing technologies, existing metal stamping and flanging equipment can only handle one step, namely vertical flanging, when flanging metal sheets. Existing metal stamping and flanging equipment cannot complete the flanging and edge-wrapping steps of metal sheets, thus reducing its working efficiency. Utility Model Content

[0004] The purpose of this utility model is to provide a metal sheet flanging device, which can solve at least one of the above-mentioned technical problems. The technical solution of this utility model is as follows:

[0005] A metal sheet flanging device, characterized in that it comprises: an upper template and a lower template, both of which are provided with pads; guide rails are symmetrically fixed on one of the pads; insertion plates are inserted into each of the guide rails; a lower flanging pre-bending die is provided on the left side of the insertion plate; a material ejection plate is provided on the insertion plate; a fixing plate is fixed on the other pad; a slide rail is provided on the fixing plate; an upper flanging pre-bending die is movably mounted on the slide rail; a moving mechanism capable of moving the insertion plates is provided on the lower template; locking parts are symmetrically provided on the lower template; guide parts are provided on the insertion plate and the material ejection plate; and a pressure plate seat is provided on the upper template.

[0006] Furthermore, the lower flange pre-bending mold includes a lower mounting base fixed to the left side of one of the pads, a first sliding groove is provided on the lower mounting base, a first slider is movably inserted into the first sliding groove, a first rounded corner and a first oblique angle are respectively provided on one side of the first slider, a first hydraulic cylinder is fixed on the front side of the insertion plate, and an L-shaped support plate that can be connected and fixed to the conveying end of the first hydraulic cylinder is fixed on the front side of the first slider.

[0007] Furthermore, the upper flange pre-bending mold includes a second slider that is movably inserted into the slide rail. A second rounded corner and a second oblique corner are respectively provided on one side of the second slider. A second hydraulic cylinder is fixed on the rear side of the upper template. The output end of the second hydraulic cylinder is fixedly connected to the second slider.

[0008] Furthermore, the moving mechanism includes a motor fixed to the front side of the lower template, a screw fixed to the output end of the motor, and a threaded sleeve that can engage with the screw thread fixed to the left side of the plug plate.

[0009] Furthermore, the locking part includes cylinders symmetrically fixed above the lower template, a push plate fixed at the output end of each cylinder, upright plates symmetrically fixed above the lower template, movable rods symmetrically inserted into each upright plate that can be connected and fixed to the adjacent push plate, and a locking plate fixed on every two movable rods.

[0010] Furthermore, the guide portion includes plug-in rods that are fixed around the ejector plate, and a clearance recess is provided around the plug-in plate, with the lower ends of each plug-in rod movably disposed within the adjacent clearance recess.

[0011] Preferably, both the ejector plate and the connector plate are provided with multiple countersunk holes, and ejector springs are provided in each of the corresponding countersunk holes.

[0012] In summary, the advantages of this utility model over the prior art are:

[0013] This utility model provides a metal sheet flanging device. In use, the user places the sheet metal on a stripping plate and positions it using positioning pins. Then, a hydraulic press drives the upper template downward, simultaneously moving the upper flanging pre-bending die downward. This allows the upper and lower flanging pre-bending dies to work together to flanging and pre-bend the sheet metal. Next, a moving mechanism moves the insertion plate along the guide rail. At this time, the insertion plate moves the sheet metal on the stripping plate to below the pressure plate seat, and the locking part locks the stripping plate to prevent it from moving downward. Finally, the hydraulic press drives the upper template to move, causing the pressure plate seat to move towards the bent sheet metal, ultimately forming an edge banding on the bent sheet metal. Compared with the prior art, this device can complete the flanging and edge banding steps of metal sheets, improving work efficiency. Attached Figure Description

[0014] Figure 1 This is a three-dimensional schematic diagram of the present invention.

[0015] Figure 2 This is a half-sectional schematic diagram of the present invention.

[0016] Figure 3 This is one of the exploded schematic diagrams of this utility model.

[0017] Figure 4 This is the second exploded view of the present invention.

[0018] Figure 5 This utility model Figure 3 Enlarged schematic diagram at point A-1.

[0019] Explanation of reference numerals in the attached drawings: 1. Upper template; 2. Lower template; 3. Pad; 4. Guide rail; 5. Insert plate; 6. Lower flange pre-bending die; 7. Unloading plate; 8. Fixing plate; 9. Slide rail; 10. Upper flange pre-bending die; 11. Moving mechanism; 12. Locking part; 13. Guide part; 14. Press plate base; 61. Lower mounting base; 62. First slide groove; 63. First slider; 64. First fillet; 65. First bevel angle; 66. 67. First hydraulic cylinder; 101. L-shaped support plate; 102. Second slider; 103. Second fillet; 104. Second oblique angle; 115. Second hydraulic cylinder; 116. Motor; 117. Screw; 118. Threaded sleeve; 129. Cylinder; 120. Push plate; 121. Vertical plate; 122. Moving rod; 123. Locking plate; 124. Insertion rod; 135. Clearance platform; 71. Countersunk hole; 72. Material ejection spring. Detailed Implementation

[0020] The present invention will be further described below with reference to the accompanying drawings and specific embodiments:

[0021] like Figures 1 to 5 A metal sheet flanging device is shown, characterized in that it includes: an upper template 1 and a lower template 2, both of which are provided with pads 3. A guide rail 4 is symmetrically fixed on one of the pads 3. An insert plate 5 is inserted and connected to each of the guide rails 4. A lower flanging pre-bending mold 6 is provided on the left side of the insert plate 5. A material ejector plate 7 is provided on the insert plate 5. A fixing plate 8 is fixed on the other pad 3. A slide rail 9 is provided on the fixing plate 8. An upper flanging pre-bending mold 10 is movably mounted on the slide rail 9. A moving mechanism 11 capable of moving the insert plate 5 is provided on the lower template 2. A locking part 12 is symmetrically provided on the lower template 2. A guide part 13 is provided on the insert plate 5 and the material ejector plate 7. A pressure plate seat 14 is provided on the upper template 1.

[0022] The above-described metal sheet flanging device, in use, involves the user placing the sheet metal on the ejector plate 7 and positioning it using the positioning pins. First, a hydraulic press moves the upper template 1 downwards, simultaneously causing the upper flanging pre-bending die 10 to move downwards towards the lower flanging pre-bending die 6. This allows the upper flanging pre-bending die 10, in conjunction with the lower flanging pre-bending die 6, to flanging and pre-bend the sheet metal. Then, a moving mechanism 11 moves the insertion plate 5 along the guide rail 4. The insertion plate 5 moves the sheet metal from the ejector plate 7 to below the pressure plate seat 14, while the locking part 12 secures the ejector plate 7, preventing it from moving downwards. Finally, the hydraulic press moves the upper template 1, causing the pressure plate seat 14 to move towards the bent sheet metal, ultimately forming an edge. Compared to existing technologies, this device can complete the flanging and edge-wrapping steps for metal sheets, improving work efficiency.

[0023] like Figures 3 to 5 As shown, in some embodiments of this utility model, the lower flange pre-bending mold 6 includes a lower mounting base 61 fixed to the left side of one of the pads 3. A first sliding groove 62 is provided on the lower mounting base 61, and a first slider 63 is movably inserted into the first sliding groove 62. A first rounded corner 64 and a first oblique angle 65 are respectively provided on one side of the first slider 63. A first hydraulic cylinder 66 is fixed to the front side of the insertion plate 5, and an L-shaped support plate 67 that can be connected and fixed to the conveying end of the first hydraulic cylinder 66 is fixed to the front side of the first slider 63.

[0024] The upper flange pre-bending mold 10 includes a second slider 101 that is movably inserted into the slide rail 9. A second rounded corner 102 and a second oblique corner 103 are respectively provided on one side of the second slider 101. A second hydraulic cylinder 104 is fixed on the rear side of the upper template 1. The output end of the second hydraulic cylinder 104 is fixedly connected to the second slider 101.

[0025] Before the upper template 1 moves downward, the second hydraulic cylinder 104 pushes the second slider 101 to move. Then, when the upper template 1 moves downward, the second rounded corner 102 on the second slider 101 cooperates with the first slider 63 on the first slider 63 to flip the plate. Then, the first hydraulic cylinder 66 drives the first slider 63 to push the second slider 101, so that the first angle 65 on the first slider 63 cooperates with the second angle 103 to bend the flipped plate. When the upper template 1 is reset, the second hydraulic cylinder 104 drives the second slider 101 to reset first to prevent the plate from being pulled upward when the upper template 1 is reset. Finally, the first hydraulic cylinder 66 drives the first slider 63 to reset.

[0026] like Figure 3As shown, in some embodiments of this utility model, the moving mechanism 11 includes a motor 111 fixed to the front side of the lower template 2, a screw 112 fixed to the output end of the motor 111, and a threaded sleeve 113 that can be threadedly engaged with the screw 112 fixed to the left side of the plug plate 5. The motor 111 drives the screw 112 to rotate, so that the screw 112 drives the plug plate 5 to move through the threaded sleeve 113.

[0027] like Figure 4 As shown, in some embodiments of this utility model, the locking part 12 includes cylinders 121 symmetrically fixed above the lower template 2, a push plate 122 fixed at the output end of each cylinder 121, a vertical plate 123 symmetrically fixed above the lower template 2, a movable rod 124 symmetrically inserted into each vertical plate 123 that can be connected and fixed to the adjacent push plate 122, and a locking plate 125 fixed on every two movable rods 124.

[0028] Both the ejector plate 7 and the plug plate 5 are provided with multiple countersunk holes 71, and ejector springs 72 are provided in each of the corresponding countersunk holes 71.

[0029] After the ejector plate 7 is reset by the ejector spring 72, the cylinder 121 drives the push plate 122 to move, which in turn drives the moving rod 124 to move. Then the moving rod 124 drives the locking plate 125 to be inserted between the ejector plate 7 and the insertion plate 5, so that the pressure plate seat 14 provides sufficient support for the ejector plate 7 when it is pressed down.

[0030] like Figure 3 As shown, in some embodiments of this utility model, the guide part 13 includes a plug rod 131 that is plugged and fixed around the ejector plate 7. A clearance recess 132 is provided around the plug plate 7. The lower end of each plug rod 131 is movably disposed in the adjacent clearance recess 132. When the ejector plate 7 is reset, it drives the plug rod 131 to move, so that the lower end of the plug rod 131 moves in the clearance recess 132. At the same time, the lower end of the plug rod 131 will be pushed against the clearance recess 132 to complete the limit. When the ejector plate 7 is pressed down, the lower end of the plug rod 131 moves along the clearance recess 132, so that the ejector plate 7 has a downward stroke.

[0031] The foregoing has shown and described the basic principles and main features of this utility model, as well as its advantages. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A metal sheet flanging device, characterized in that, include: The upper template (1) and the lower template (2) are provided with pads (3). A guide rail (4) is symmetrically fixed on one of the pads (3). A plug-in plate (5) is inserted and connected to each of the guide rails (4). A lower flange pre-bending mold (6) is provided on the left side of the plug-in plate (5). A material ejection plate (7) is provided on the plug-in plate (5). A fixing plate (8) is fixed on the other pad (3). A slide rail (9) is provided on the fixing plate (8). An upper flange pre-bending mold (10) is movably provided on the slide rail (9). A moving mechanism (11) that can drive the plug-in plate (5) to move is provided on the lower template (2). A locking part (12) is symmetrically provided on the lower template (2). A guide part (13) is provided on the plug-in plate (5) and the material ejection plate (7). A pressure plate seat (14) is provided on the upper template (1).

2. The metal sheet flanging device according to claim 1, characterized in that... The lower flange pre-bending mold (6) includes a lower mounting base (61) fixed to the left side of one of the pads (3). A first slide groove (62) is provided on the lower mounting base (61). A first slider (63) is movably inserted into the first slide groove (62). A first rounded corner (64) and a first oblique angle (65) are respectively provided on one side of the first slider (63). A first hydraulic cylinder (66) is fixed on the front side of the insertion plate (5). An L-shaped support plate (67) that can be connected and fixed to the conveying end of the first hydraulic cylinder (66) is fixed on the front side of the first slider (63).

3. The metal sheet flanging device according to claim 1, characterized in that... The upper flange pre-bending mold (10) includes a second slider (101) movably inserted into the slide rail (9). A second rounded corner (102) and a second oblique angle (103) are respectively provided on one side of the second slider (101). A second hydraulic cylinder (104) is fixed on the rear side of the upper template (1). The output end of the second hydraulic cylinder (104) is fixedly connected to the second slider (101).

4. A metal sheet flanging device according to claim 1, characterized in that... The moving mechanism (11) includes a motor (111) fixed on the front side of the lower template (2), a screw (112) fixed at the output end of the motor (111), and a threaded sleeve (113) that can be threadedly engaged with the screw (112) fixed on the left side of the plug plate (5).

5. A metal sheet flanging device according to claim 1, characterized in that... The locking part (12) includes cylinders (121) symmetrically fixed above the lower template (2), a push plate (122) fixed at the output end of each cylinder (121), a vertical plate (123) symmetrically fixed above the lower template (2), a movable rod (124) symmetrically inserted into each vertical plate (123) and able to connect and fix with the adjacent push plate (122), and a locking plate (125) fixed on every two movable rods (124).

6. A metal sheet flanging device according to claim 1, characterized in that... The guide part (13) includes plug-in rods (131) that are plugged and fixed around the ejector plate (7). A clearance platform (132) is provided around the plug-in plate (5). The lower end of each plug-in rod (131) is movably disposed in the adjacent clearance platform (132).

7. A metal sheet flanging device according to claim 1, characterized in that... Multiple countersunk holes (71) are provided on both the ejector plate (7) and the plug plate (5), and ejector springs (72) are provided in each of the corresponding countersunk holes (71).

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