Metal plate folding machine

Abstract

The utility model discloses a metal plate folding machine, including a base and a stand, the stand is arranged at the top of the base, and also includes a movable plate, a bending seat, two groups of preheating components and a connecting rod. The top of the base is provided with a mounting groove, the movable plate is slidably arranged at the top of the base, the bending seat is arranged on the right side of the top of the base, and the two groups of preheating components are respectively arranged on the upper and lower sides of the movable plate. The utility model clamps the metal plate by using a pushing and clamping component, preheats the parts of the metal plate that need to be bent by two groups of preheating components, and then pushes it to the bottom of the folding mechanism, located on the bending seat, and bends it, reducing its hardness and brittleness, increasing its plasticity and ductility, making it easier to bend the metal sheet, and after bending, slowly dissipates the heat of the bent metal plate by using a fan.

Description

Technical Field

[0001] The utility model relates to the technical field of door and window production, in particular to a metal plate folding machine. Background Art

[0002] Hemming is a process in which the edges of a material are folded inward and then processed using equipment such as a hemming machine. In the manufacture of aluminum alloy doors and windows, hemming is often used to create the openings of door and window frames and sashes to increase sealing and improve wind pressure resistance. Hemming also enhances the sealing of doors and windows, preventing the intrusion of external factors such as wind, rain, and dust.

[0003] The metal plate bending machine in the existing technology is not convenient for fixing metal plates of different sizes when clamping and fixing the metal plates. When bending, they need to be operated and controlled separately, which is cumbersome to operate, time-consuming, labor-intensive and low in intelligence, and there is a problem of affecting work efficiency. General metal plates, such as aluminum alloy plates, are softer than other metal materials and are more prone to cracks. Therefore, it is a common practice to heat them before bending them to achieve better flexibility. Some metal plate folding machines in the existing technology are not convenient for heating the bending parts of the metal plates, so a metal plate folding machine is proposed to solve the above problems. Utility Model Content

[0004] The utility model provides a metal plate folding machine, including a base and a stand, the stand is arranged at the top of the base, and also includes a movable plate, a bending table, two groups of preheating components and a connecting rod. The top of the base is provided with a mounting groove, the movable plate is slidably arranged on the top of the base, the bending table is arranged on the right side of the top of the base, the two groups of preheating components are respectively arranged on the upper and lower sides of the movable plate, and are arranged opposite to each other, the lower preheating component is arranged in the mounting groove, and the upper preheating component is connected to the bottom end of the stand through the connecting rod, the bottom end of the stand is provided with a folding mechanism, the top of the movable plate is provided with a pushing and clamping component, and a plurality of fans are provided on the front side of the base.

[0005] Preferably, a single group of the preheating components includes a frame, a heating wire and a protective net, the frame is connected to the inner wall of the mounting groove, the heating wire is arranged inside the frame, and the protective net is arranged at the top of the frame.

[0006] Preferably, a through hole is provided on the movable plate, the through hole is rectangular, and the through hole is located directly above the preheating assembly below.

[0007] Preferably, the pushing and clamping assembly includes a first electric push rod, a push plate, two second electric push rods and two clamping plates, the first electric push rod is arranged at the top end of the movable plate, and the telescopic rod extends forward, the push plate is connected to the front side of the first electric push rod, the two second electric push rods are arranged at the top end of the movable plate, and are arranged opposite to each other, the telescopic rods of the two second electric push rods extend to the left and right sides respectively, and the two clamping plates are respectively connected to the opposite sides of the two second electric push rods.

[0008] Preferably, the folding mechanism includes a first hydraulic cylinder, a pressure plate, a pressure seat, a limiting rod, a spring, a second hydraulic cylinder and a bending seat. The first hydraulic cylinder is arranged at the top of the platform, and the telescopic rod is vertically downward. The pressure plate is arranged at the bottom end of the telescopic rod of the first hydraulic cylinder. The pressure seat is arranged directly below the pressure plate. The limiting rod is connected to the top of the pressure seat and extends to the top of the pressure plate. The spring is sleeved on the limiting rod, and its two ends are respectively connected to the pressure plate and the pressure seat. The second hydraulic cylinder is arranged at the bottom end of the platform, and the telescopic rod is vertically downward. The bending seat is connected to the bottom end of the telescopic rod of the second hydraulic cylinder.

[0009] Preferably, an electric slide is provided inside the base, and a support rod is connected between the moving end of the electric slide and the moving plate.

[0010] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0011] The metal sheet is clamped by using a push-and-clamp assembly, and the parts of the metal sheet that need to be bent are preheated by two sets of preheating assemblies. Then, the metal sheet is pushed to the bottom of the folding mechanism and located on the bending seat to be bent, thereby reducing its hardness and brittleness and increasing its plasticity and ductility, making the metal sheet easier to bend. After bending, the bent metal sheet is slowly cooled by using a fan. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation to the present invention.

[0013] In the attached figure:

[0014] Figure 1 This is a schematic diagram of a metal plate folding machine proposed in the utility model;

[0015] Figure 2 This is a side view of a metal plate folding machine proposed in the utility model;

[0016] Figure 3 This is a cross-sectional view of a metal plate folding machine proposed in the utility model;

[0017] 1. Base; 2. Moving plate; 3. Platform; 4. Bending table; 5. Pushing and clamping assembly; 51. First electric push rod; 52. Push plate; 53. Second electric push rod; 54. Clamping plate; 6. Preheating assembly; 61. Frame; 62. Heating wire; 63. Protective net; 7. Folding mechanism; 71. First hydraulic cylinder; 72. Pressing plate; 73. Pressing seat; 74. Limiting rod; 75. Spring; 76. Second hydraulic cylinder; 77. Bending seat; 8. Fan; 9. Electric slide; 91. Support rod. DETAILED DESCRIPTION

[0018] The preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0019] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or components referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as limiting the present invention; the terms "first", "second", and "third" are only used for descriptive purposes and should not be understood as indicating or implying relative importance; in addition, unless otherwise expressly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, an indirect connection through an intermediate medium, or it can be internal communication between two components. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0020] like Figure 1-3 As shown, the utility model proposes a metal plate folding machine, including a base 1 and a platform 3, the platform 3 is arranged at the top of the base 1, and also includes a movable plate 2, a bending table 4, two groups of preheating components 6 and a connecting rod. A mounting groove is opened on the top of the base 1, the movable plate 2 is slidably arranged on the top of the base 1, the bending table 4 is arranged on the right side of the top of the base 1, the two groups of preheating components 6 are respectively arranged on the upper and lower sides of the movable plate 2, and are arranged opposite to each other. The lower preheating component 6 is arranged in the mounting groove, and the upper preheating component 6 is connected to the bottom end of the platform 3 through a connecting rod. The bottom end of the platform 3 is provided with a folding mechanism 7, the top of the movable plate 2 is provided with a pushing and clamping component 5, and a plurality of fans 8 are provided on the front side of the base 1.

[0021] In the present invention, a plurality of supporting columns are connected to the bottom end of the stand 3, and the inner side of the bending table 4 is connected to the top and right side of the base 1. The metal plate is placed on the movable plate 2, and the metal plate is clamped by using the pushing and clamping assembly 5. Metal plates of different sizes can be clamped. The parts of the metal plate that need to be bent are preheated by using two sets of preheating assemblies 6 placed opposite to each other, and then the metal plate is pushed onto the bending table 4. At this time, the metal plate is located directly below the folding mechanism 7, and then folded.

[0022] In an optional embodiment, the single-group preheating assembly 6 includes a frame 61, a heating wire 62 and a protective net 63. The frame 61 is connected to the inner wall of the mounting groove, the heating wire 62 is arranged inside the frame 61, and the protective net 63 is arranged at the top of the frame 61.

[0023] It should be noted that when preheating both sides of the metal plate, the heating wire 62 is started to emit heat to heat the metal plate, and the heating wire 62 inside the protection net 63 frame 61 is provided for protection.

[0024] In an optional embodiment, a through hole is opened on the movable plate 2 , the through hole is rectangular, and the through hole is located directly above the preheating assembly 6 below.

[0025] It should be noted that the heat generated by the lower preheating assembly 6 is dissipated to the bottom of the metal plate through the through holes, and heat dissipation holes are provided at the bottom of the mounting groove and on the left and right sides of the base 1 .

[0026] In an optional embodiment, the pushing and clamping assembly 5 includes a first electric push rod 51, a push plate 52, two second electric push rods 53 and two clamping plates 54. The first electric push rod 51 is arranged at the top of the movable plate 2, and the telescopic rod extends forward. The push plate 52 is connected to the front side of the first electric push rod 51. The two second electric push rods 53 are arranged at the top of the movable plate 2 and are arranged opposite to each other. The telescopic rods of the two second electric push rods 53 extend to the left and right sides respectively, and the two clamping plates 54 are respectively connected to the opposite sides of the two second electric push rods 53.

[0027] It should be noted that the two second electric push rods 53 are used to push the two clamping plates 54 to clamp the metal plate, and then the first electric push rod 51 is used to push the push plate 52 to move the metal plate.

[0028] In an optional embodiment, the folding mechanism 7 includes a first hydraulic cylinder 71, a pressure plate 72, a pressure seat 73, a limiting rod 74, a spring 75, a second hydraulic cylinder 76 and a bending seat 77. The first hydraulic cylinder 71 is arranged at the top of the platform 3, and the telescopic rod is vertically downward. The pressure plate 72 is arranged at the bottom end of the telescopic rod of the first hydraulic cylinder 71. The pressure seat 73 is arranged directly below the pressure plate 72. The limiting rod 74 is connected to the top of the pressure seat 73 and extends to the top of the pressure plate 72. The spring 75 is sleeved on the limiting rod 74, and its two ends are respectively connected to the pressure plate 72 and the pressure seat 73. The second hydraulic cylinder 76 is arranged at the bottom end of the platform 3, and the telescopic rod is vertically downward. The bending seat 77 is connected to the bottom end of the telescopic rod of the second hydraulic cylinder 76.

[0029] It should be noted that by using the first hydraulic cylinder 71 to drive the pressure plate 72 to press down, after the pressure seat 73 contacts the metal plate, the spring 75 is forced to contract, and the pressure seat 73 can be driven to move downward through the limiting rod 74 and the spring 75, so as to achieve the purpose of pressing and fixing the metal plate through the pressure seat 73. By using the second hydraulic cylinder 76 to drive the bending seat 77 to press down, the metal plate is bent.

[0030] In an optional embodiment, an electric slide 9 is provided inside the base 1 , and a support rod 91 is connected between the moving end of the electric slide 9 and the moving plate 2 .

[0031] It should be noted that the moving plate 2 is driven to move by using the electric slide 9 .

[0032] Finally, it should be noted that the above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art will be able to modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein with equivalents. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A metal plate folding machine, comprising a base (1) and a stand (3), wherein the stand (3) is arranged on the top of the base (1), and is characterized in that: The invention also comprises a movable plate (2), a bending table (4), two groups of preheating components (6) and a connecting rod. The top of the base (1) is provided with a mounting groove. The movable plate (2) is slidably arranged at the top of the base (1). The bending table (4) is arranged on the right side of the top of the base (1). The two groups of preheating components (6) are respectively arranged on the upper and lower sides of the movable plate (2) and are arranged opposite to each other. The lower preheating component (6) is arranged in the mounting groove. The upper preheating component (6) is connected to the bottom end of the stand (3) through the connecting rod. The bottom end of the stand (3) is provided with a folding mechanism (7). The top of the movable plate (2) is provided with a pushing and clamping component (5). The front side of the base (1) is provided with a plurality of fans (8).

2. A metal plate folding machine according to claim 1, characterized in that: A single group of the preheating components (6) comprises a frame (61), a heating wire (62) and a protective net (63); the frame (61) is connected to the inner wall of the mounting groove; the heating wire (62) is arranged inside the frame (61); and the protective net (63) is arranged at the top of the frame (61).

3. A metal plate folding machine according to claim 2, characterized in that: The movable plate (2) is provided with a through hole, the through hole being rectangular and located directly above the preheating assembly (6) below.

4. A metal plate folding machine according to claim 1, characterized in that: The pushing and clamping assembly (5) comprises a first electric push rod (51), a push plate (52), two second electric push rods (53) and two clamping plates (54); the first electric push rod (51) is arranged at the top end of the movable plate (2) and has a telescopic rod extending forward; the push plate (52) is connected to the front side of the first electric push rod (51); the two second electric push rods (53) are arranged at the top end of the movable plate (2) and are arranged opposite to each other; the telescopic rods of the two second electric push rods (53) extend to the left and right sides respectively; and the two clamping plates (54) are respectively connected to the opposite sides of the two second electric push rods (53).

5. The metal plate folding machine according to claim 1, characterized in that: The folding mechanism (7) comprises a first hydraulic cylinder (71), a pressure plate (72), a pressure seat (73), a limiting rod (74), a spring (75), a second hydraulic cylinder (76) and a bending seat (77); the first hydraulic cylinder (71) is arranged at the top of the platform (3), and the telescopic rod is vertically downward; the pressure plate (72) is arranged at the bottom end of the telescopic rod of the first hydraulic cylinder (71); the pressure seat (73) is arranged directly below the pressure plate (72); the limiting rod (74) is connected to the top end of the pressure seat (73) and extends to the top of the pressure plate (72); the spring (75) is sleeved on the limiting rod (74), and the two ends are respectively connected to the pressure plate (72) and the pressure seat (73); the second hydraulic cylinder (76) is arranged at the bottom end of the platform (3), and the telescopic rod is vertically downward; the bending seat (77) is connected to the bottom end of the telescopic rod of the second hydraulic cylinder (76).

6. The metal plate folding machine according to claim 1, characterized in that: An electric slide (9) is arranged inside the base (1), and a support rod (91) is connected between the moving end of the electric slide (9) and the moving plate (2).

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