Plate bending forming machine

Abstract

The utility model relates to the technical field of steel plate bending, in particular to a plate bending forming machine which comprises a machine frame, a transverse shaft is rotationally installed on a vertical base fixed to the rear side of the machine frame, an operation pressing handle is fixed to the transverse shaft, an extending base is fixed to the middle of the bottom side of the operation pressing handle, a pressing roller is arranged on the extending base, and a pressing plate is arranged on the pressing roller. A positioning pressing assembly is installed on the vertical frame, the positioning pressing assembly makes contact with a plate before the pressing roller is pressed downwards when the operation pressing handle is operated, a plurality of sets of parallel gaps are formed in the front end of the rack, baffles can be inserted into the gaps, and positioning and limiting of the plate in the vertical direction and the left-right direction can be completed through cooperation of the positioning pressing assembly and the baffles.

Description

Technical Field

[0001] The utility model relates to the technical field of steel plate bending, in particular to a plate bending and forming machine. Background Art

[0002] Plates often need to be bent into different angles when in use, so a plate bending machine is needed. Many plates need to be bent on-site, so the plate bending machine used needs to be portable.

[0003] Small portable sheet metal bending and forming machines lack a structure that can simultaneously limit the left and right directions and the up and down directions of the sheet metal. Therefore, this solution is improved to provide a sheet metal bending and forming machine, which can simultaneously take into account the multi-directional limit of the sheet metal when manually bending the sheet metal. Utility Model Content

[0004] The utility model aims at least to solve the problem that the portable plate bending and forming machine in the prior art is insufficient in multi-directional positioning of the plate.

[0005] The present invention provides a sheet metal bending and forming machine, which is achieved by the following specific technical means: it comprises a frame, a horizontal axis is rotatably mounted on a vertical seat fixed on the rear side of the frame, an operating pressure handle is fixed on the horizontal axis, an extension seat is fixed on the middle part of the bottom side of the operating pressure handle, a pressure roller is arranged on the extension seat, and the pressure roller is located on the front side of the frame, vertical frames are fixed on both sides of the top surface of the frame, a positioning and pressing assembly is installed on the vertical frame, and the positioning and pressing assembly contacts the sheet metal before the pressure roller when the operating pressure handle is pressed down, a plurality of sets of parallel slits are provided at the front end of the frame, baffles can be inserted in the slits, and the placement of sheets of different widths can be accommodated by changing the position of the baffles, and when placing the sheet metal, one side of the sheet metal is placed against the baffle to ensure the positioning of the sheet metal in the left and right directions.

[0006] Preferred technical solution 1: The pressure roller is rotatably connected to the extension seat, and the setting of the pressure roller can avoid hard scraping against the plate when the plate is bent.

[0007] Preferred technical solution two: a limiting convex plate is slidably provided on the bottom side of the frame, and the limiting convex plate is sleeved on a screw rod rotatably installed on the bottom side of the frame through a threaded hole, and the length of the front end of the limiting convex plate extending out of the frame is controlled by the rotation of the screw rod.

[0008] Preferred technical solution three: The positioning and pressing assembly includes a horizontal plate slidably arranged on the vertical frame, the bottom side of the horizontal plate is connected to a pressure plate through an elastic member, the pressure plate is used to press the plate, and a spring is connected between the horizontal plate and the bottom wall of the vertical frame.

[0009] Preferred technical solution four: A clamping piece is provided on the bottom side of the frame, and the frame can be installed on other racks through the clamping piece.

[0010] Preferred technical solution five: The limiting convex plate is provided with a scale, and the bending angle of the plate when the plate touches the front end of the limiting convex plate is determined by observing the scale.

[0011] The above structure enables this solution to have the following beneficial effects:

[0012] 1. The overall structure is simple, portable, and easy to operate. It can quickly complete the bending of thin plates. The positioning and pressing components and the setting of the pressing rollers during the bending process can prevent the plate from moving and also avoid scratches on the plate during bending.

[0013] 2. The setting of the limiting convex plate can be used to limit the bending angle of the plate to avoid the problem of uncontrollable bending angle caused by manual bending;

[0014] 3. The rack can be clamped and fixed on other racks through the provided clamping parts to ensure the stability of the rack during use;

[0015] 4. The cooperation between the positioning and pressing assembly and the baffle can complete the positioning and limitation of the plate in the up and down directions and the left and right directions. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] 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 of the present invention. In the accompanying drawings:

[0017] Figure 1 This is a schematic diagram of the overall structure of this scheme;

[0018] Figure 2 This is a cross-sectional view of this scheme;

[0019] Figure 3 This is the top view of the rack of this solution;

[0020] Figure 4 This is the exploded diagram of this solution.

[0021] Among them, 1. frame, 11. gap, 12. vertical seat, 2. horizontal axis, 3. operating handle, 31. extension seat, 4. pressure roller, 5. vertical frame, 6. positioning and pressing assembly, 61. horizontal plate, 62. pressure plate, 63. spring 1, 64. vertical rod, 65. elastic part, 7. baffle, 8. limiting convex plate, 81. scale, 9. screw, 10. clamping part, 101. fixed plate, 102. movable plate, 103. bolt. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0023] See also Figure 1 The sheet bending forming machine comprises a frame 1, a horizontal axis 2 is rotatably mounted on a vertical seat 12 fixed on the rear side of the frame 1, the horizontal axis 2 is located above the top surface of the frame 1, an operating handle 3 is fixed on the horizontal axis 2, an extension seat 31 is fixed on the middle part of the bottom side of the operating handle 3, a pressing roller 4 is rotatably mounted on the extension seat 31, and the pressing roller 4 is located on the front side of the frame 1. When in use, a sheet is placed on the top surface of the frame 1, at this time, the pressing roller 4 is driven by the operating handle 3 to be located above the sheet, after the sheet is placed, the operating handle 3 is pressed down to use the pressing roller 4 to press the sheet down and bend it, vertical frames 5 are fixed on both sides of the top surface of the frame 1, and a positioning pressing assembly 6 is installed on the vertical frame 5, and the positioning pressing assembly 6 is under the operating handle 3 When pressing, the pressing roller 4 contacts the plate first and presses the plate against the top surface of the frame 1 to avoid displacement of the plate during pressing; the rotating setting of the pressing roller 4 can avoid hard scraping of the plate when the plate is bent, avoid scratches on the plate, and damage the surface quality; a plurality of sets of parallel slits 11 are provided at the front end of the frame 1, and the setting of the slits 11 can not only be used to position the placement of the plate, but also confirm the correct placement of the plate by aligning the side of the plate parallel to the slits 11, a baffle 7 is inserted in one set of slits 11, and the placement of plates of different widths can be adapted by changing the position of the baffle 7, and when placing the plate, one side of the plate is placed against the baffle 7 to ensure the positioning of the plate in the left and right directions.

[0024] See also Figure 1-Figure 4 , a sheet metal bending forming machine, a limiting convex plate 8 is slidably provided on the bottom side of the frame 1, and the limiting convex plate 8 is sleeved on the screw rod 9 rotatably installed on the bottom side of the frame 1 through a threaded hole. The length of the front end of the limiting convex plate 8 extending out of the frame 1 is controlled by the rotation of the screw rod 9. When the sheet metal is bent downward, it will touch the front end of the limiting convex plate 8, thereby realizing the control of the bending angle of the sheet metal. A scale 81 is provided on the limiting convex plate 8. The bending angle of the sheet metal when the sheet metal touches the front end of the limiting convex plate 8 is determined by observing the scale 81.

[0025] See also Figure 1-Figure 4, the plate bending forming machine, the positioning and pressing assembly 6 includes a horizontal plate 61 slidably arranged on the vertical frame 5, the bottom side of the horizontal plate 61 is connected to a pressing plate 62 through an elastic member 65, the pressing plate 62 is used to press the plate 62, and a spring 1 63 is connected between the horizontal plate 61 and the bottom wall of the vertical frame 5. When in use, the horizontal plate 61 is pressed down by operating the pressing handle 3 to drive the pressing plate 62 to contact the plate before the pressing roller 4. The vertical rod 64 fixed on the top surface of the pressing plate 62 slides through the horizontal plate 61. At the same time, the elastic member 65 is a spring 2, and the contact between the horizontal plate 61 and the operating pressing handle 3 is a cylindrical structure. Structure, thereby reducing the contact friction resistance between the two. In the initial state, the pressure plate 62 is supported by spring 1 63 and is away from the top surface of the frame 1. When in use, the plate is placed on the top surface of the frame, and one side is in contact with the baffle 7. At this time, the pressure handle 3 is pressed down to make the cross plate 61 drive the pressure plate 62 to press down and contact the plate, and as the cross plate 61 continues to move downward, spring 2 is compressed, so that the pressure plate 62 gradually increases the pressing force on the plate, thereby completing the positioning and limitation of the plate in the up and down directions and left and right directions before the pressure roller 4 contacts the plate.

[0026] See also Figure 1 , a sheet metal bending forming machine, a clamping member 10 is arranged on the bottom side of the frame 1, and the frame 1 can be installed on other stands through the clamping member 10, the clamping member 10 includes a fixed plate 101 fixed on the bottom side of the frame 1 and a movable plate 102 located below the fixed plate 101, and a bolt 103 rotatably arranged on the movable plate 102 passes through a threaded hole on the fixed plate 101, and the size of the clamp formed by the movable plate 102 and the fixed plate 101 is controlled by twisting the bolt 103.

[0027] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A sheet metal bending and forming machine, comprising a frame (1), characterized in that: A horizontal axis (2) is rotatably mounted on a vertical seat (12) fixed on the rear side of the frame (1); an operating handle (3) is fixed on the horizontal axis (2); an extension seat (31) is fixed on the middle part of the bottom side of the operating handle (3); a pressure roller (4) is provided on the extension seat (31); the pressure roller (4) is located on the front side of the frame (1); vertical frames (5) are fixed on both sides of the top surface of the frame (1); a positioning and pressing assembly (6) is installed on the vertical frame (5); when the operating handle (3) is pressed down, the positioning and pressing assembly (6) contacts the plate before the pressure roller (4); a plurality of parallel slits (11) are provided at the front end of the frame (1); baffles (7) are inserted in the slits (11).

2. A sheet metal bending and forming machine according to claim 1, characterized in that: The pressing roller (4) is rotatably connected to the extension seat (31).

3. A sheet metal bending machine according to claim 1 or 2, characterized in that: A limiting convex plate (8) is slidably provided on the bottom side of the frame (1), and the limiting convex plate (8) is sleeved on a screw rod (9) rotatably installed on the bottom side of the frame (1) through a threaded hole.

4. A sheet metal bending and forming machine according to claim 3, characterized in that: The limiting convex plate (8) is provided with a scale (81).

5. The sheet metal bending machine according to claim 1, characterized in that: The positioning and pressing assembly (6) comprises a horizontal plate (61) slidably arranged on the vertical frame (5); the bottom side of the horizontal plate (61) is connected to a pressing plate (62) via an elastic member (65); the pressing plate (62) is used to press the plate (62); a spring (63) is connected between the horizontal plate (61) and the bottom wall of the vertical frame (5).

6. A sheet metal bending and forming machine according to claim 1, characterized in that: A clamping member (10) is provided on the bottom side of the frame (1).

7. The sheet metal bending machine according to claim 1, characterized in that: The horizontal axis (2) is located above the top surface of the frame (1).

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