Handle bending equipment

Abstract

The utility model discloses a handle bending device which comprises a machine table and a concentric-square-shaped supporting base fixed to one side of the top end of the machine table, the top end of the concentric-square-shaped supporting base is provided with a wrench limiting tool used for positioning a U-shaped bent handle, and a protruding plate is integrally formed on the other side of the top end of the concentric-square-shaped supporting base. And a sliding table is slidably installed on the other side of the top end of the machine table, a protruding base is fixed to the top end of the sliding table, and two rolling wheel inward-bending structures are symmetrically installed on the outer wall of the side, close to the wrench limiting tool, of the protruding base. According to the utility model, the asymmetrical or non-uniform bending condition caused by a single driving unit is avoided through the two symmetrical roller inward bending structures, the structural form of the single telescopic driving unit is simpler, and additional parts and complex control systems are reduced, so that the manufacturing cost of the equipment is reduced, and the production efficiency is improved. And the structure is simple, so that the maintenance and repair cost is relatively low.

Description

Technical Field

[0001] The utility model relates to the technical field of handle processing, in particular to a handle bending device. Background Art

[0002] Handles are needed on panel structures such as drawers and cabinet doors. The handles are composed of a sheet metal with a columnar protrusion and a U-shaped handle with an inner fold. The U-shaped handle with an inner fold is movably installed in the sheet metal. The bending equipment needed in this process is mainly used to fold the end of the U-shaped handle with an inner fold into the sheet metal to complete the assembly process of the handle. This type of bending equipment is mainly composed of a base, an upper die, a lower die, a back stopper and a hydraulic system. The base provides stable support for the equipment, the upper and lower molds clamp the metal sheet, and the hydraulic system provides power. Its working principle is to apply pressure to the metal sheet through mechanical force or hydraulic pressure, so that it is bent under the clamping of the upper and lower molds, thereby forming the required shape and structure. However, the current bending equipment generally needs to simultaneously set hydraulic cylinders or air cylinders and other structures on both sides of the U-shaped bend handle to make the inner folding mouth of the U-shaped bend handle folded into the sheet metal, and the hydraulic system itself requires components such as hydraulic pumps, oil tanks, and control valves. Each additional hydraulic cylinder or air cylinder requires additional cost investment, which not only increases the purchase cost of the equipment, but also increases the subsequent maintenance and operation costs of the equipment. Utility Model Content

[0003] The purpose of the utility model is to provide a handle bending device, which adopts the structural form of a single telescopic drive unit and cooperates with two symmetrical roller inner bending structures to fold the inner folding mouth of the U-shaped handle into the sheet metal part, so as to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a handle bending equipment, comprising a machine table and a circular support seat fixed on one side of the top of the machine table, the top of the circular support seat is provided with a wrench limiting tooling for positioning the U-shaped handle, the other side of the top of the circular support seat is integrally formed with a convex plate, a slide is slidably installed on the other side of the top of the machine table, and a convex seat is fixed on the top of the slide, two roller inward bending structures are symmetrically installed on the outer wall of the convex seat on one side close to the wrench limiting tooling, a telescopic drive unit for driving the slide to move horizontally is installed on the outer wall of one side of the machine table, and a control button electrically connected to the input end of the telescopic drive unit is installed on one side of the surface of the machine table.

[0005] Preferably, the wrench limiting tooling is composed of three steel columns, the bottom ends of the three steel columns are all fixed to the top end of the circular support seat, and the center point connecting lines of the three steel columns form an isosceles triangle structure.

[0006] Preferably, the top of the circular support seat is provided with an internal threaded hole concentric with the steel column, and a bolt is installed on the top of the circular support seat, and the threaded end of the bolt extends to the inside of the steel column through the internal threaded hole.

[0007] Preferably, the telescopic drive unit includes an oblique mounting bracket fixed on the outer wall of one side of the machine platform, and a cylinder installed on the outer wall of one side of the oblique mounting bracket, and a right-angle connecting arm is slidably installed inside the oblique mounting bracket, one end of the right-angle connecting arm is fixedly connected to the outer wall of one side of the slide, and the other end of the right-angle connecting arm is fixedly connected to the top end of the piston rod of the cylinder.

[0008] Preferably, two symmetrical I-shaped guide rails are fixed to the top of the machine platform, and a C-shaped slide seat is slidably installed on one side of the top of the I-shaped guide rail, and the top of the C-shaped slide seat is fixedly connected to the bottom end of the slide platform.

[0009] Preferably, the roller inward bending structure includes an inverted U-shaped shaft frame fixed on the outer wall of one side of the boss, and a roller unit rotatably installed inside the inverted U-shaped shaft frame.

[0010] Preferably, a plurality of rubber pads are fixed at equal intervals on the outer wall of the roller unit.

[0011] Compared with the prior art, the beneficial effects of the utility model are: the handle bending equipment is driven by a single telescopic drive unit, and adopts two symmetrical roller inward bending structures to ensure that the inner folding mouth of the U-shaped handle is evenly folded into the sheet metal, avoiding the asymmetry or uneven bending caused by a single drive unit, and the structural form of the single telescopic drive unit is simpler, which reduces additional components and complex control systems, thereby reducing the manufacturing cost of the equipment, and due to the simple structure, the maintenance and repair costs are also relatively low. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0013] Figure 2 It is a schematic diagram of the top view structure of the utility model;

[0014] Figure 3 The three-dimensional structure of the utility model is shown in FIG. Figure 1 ;

[0015] Figure 4 The three-dimensional structure of the utility model is shown in FIG. Figure 2 ;

[0016] Figure 5 The three-dimensional structure of the utility model is shown in FIG. Figure 3 ;

[0017] In the figure: 1. machine table; 101. I-shaped guide rail; 102. C-shaped slide seat; 2. circular support seat; 201. convex plate; 3. spanner limit fixture; 301. steel column; 4. slide table; 5. convex seat; 6. roller inner bending structure; 601. inverted U-shaped shaft frame; 602. roller unit; 7. telescopic drive unit; 701. oblique mounting frame; 702. cylinder; 703. right-angle connecting arm; 8. control button. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] See also Figure 1-4 The utility model provides an embodiment: a handle bending device, comprising a machine platform 1 and a round support seat 2 fixed on one side of the top of the machine platform 1, a wrench limit fixture 3 for positioning the U-shaped handle is arranged on the top of the round support seat 2, a convex plate 201 is integrally formed on the other side of the top of the round support seat 2, a slide 4 is slidably installed on the other side of the top of the machine platform 1, and a convex seat 5 is fixed on the top of the slide 4, two roller inner bending structures 6 are symmetrically installed on the outer wall of the side of the convex seat 5 close to the wrench limit fixture 3, a telescopic driving unit 7 for driving the slide 4 to move horizontally is installed on the outer wall of one side of the machine platform 1, and a control button 8 electrically connected to the input end of the telescopic driving unit 7 is installed on one side of the surface of the machine platform 1;

[0020] The wrench limit fixture 3 is composed of three steel columns 301, the bottom ends of the three steel columns 301 are all fixed to the top of the round-shaped support seat 2, and the center point connection line of the three steel columns 301 forms an isosceles triangle structure. The U-shaped handle is clamped in the wrench limit fixture 3, and the sheet metal is placed on the outer wall of the side of the round-shaped support seat 2 close to the wrench limit fixture 3, and the open end of the U-shaped handle faces the sheet metal;

[0021] The top of the round-shaped support seat 2 is provided with an inner threaded hole concentric with the steel column 301, and a bolt is installed on the top of the round-shaped support seat 2. The threaded end of the bolt extends to the inside of the steel column 301 through the inner threaded hole. The detachable function of the steel column 301 is realized by the setting of the inner threaded hole and the bolt;

[0022] The telescopic driving unit 7 includes an oblique mounting frame 701 fixed on the outer wall of one side of the machine platform 1, and a cylinder 702 installed on the outer wall of one side of the oblique mounting frame 701. A right-angle connecting arm 703 is slidably installed inside the oblique mounting frame 701. One end of the right-angle connecting arm 703 is fixedly connected to the outer wall of one side of the slide 4, and the other end of the right-angle connecting arm 703 is fixedly connected to the top of the piston rod of the cylinder 702. When the telescopic driving unit 7 is working, the cylinder 702 pushes the right-angle connecting arm 703, the slide 4, the convex seat 5, the roller inner bending structure 6 and other components to move toward the direction of the round support seat 2;

[0023] Two symmetrical I-shaped guide rails 101 are fixed on the top of the machine 1, and a C-shaped slide seat 102 is slidably installed on one side of the top of the I-shaped guide rail 101. The top of the C-shaped slide seat 102 is fixedly connected to the bottom of the slide table 4. When the slide table 4 is pushed, the slide table 4 slides relatively with the I-shaped guide rail 101 through the C-shaped slide seat 102, so that the C-shaped slide seat 102 and the I-shaped guide rail 101 are used to ensure that the roller inner bending structure 6 moves along a predetermined track, maintain a stable working state, and improve the accuracy of the bending process;

[0024] The roller inner bending structure 6 comprises an inverted U-shaped shaft frame 601 fixed on the outer wall of one side of the convex seat 5, and a roller unit 602 rotatably mounted inside the inverted U-shaped shaft frame 601, and a plurality of rubber pads are fixed on the outer wall of the roller unit 602 at equal intervals;

[0025] The structural design of the inverted U-shaped shaft frame 601 and the roller unit 602 can reduce the friction and wear between the roller and the workpiece during the bending process, and make the sheet metal part evenly stressed during bending, avoiding quality problems such as deformation or cracks caused by uneven stress.

[0026] When the embodiment of the present application is in use, the staff first takes out the U-shaped handle and sheet metal to be assembled. At this time, the actual top-view shape of the U-shaped handle is a trapezoid. Then the staff clamps the U-shaped handle in the wrench limit fixture 3, and the sheet metal is placed on the outer wall of the side of the circular support seat 2 close to the wrench limit fixture 3, with the open end of the U-shaped handle facing the sheet metal. When the debugging of each component is completed, the staff turns on the telescopic drive unit 7 through the control button 8 to work, and the telescopic drive unit 7 pushes the slide 4, the convex seat 5, and the roller inward bending structure 6 to move in the direction of the wrench limit fixture 3. When the roller inward bending structure 6 contacts the two side edges of the U-shaped handle, under the continuous push of the telescopic drive unit 7, the inner folding mouth of the U-shaped handle will be pushed into the columnar convex seat of the sheet metal. The U-shaped handle is completely bent into shape. At this time, the telescopic drive unit 7 pulls the slide 4, the convex seat 5, the roller inward bending structure 6 and other components to reset. The staff can then remove the assembled U-shaped handle and sheet metal from the circular support seat 2 and the wrench limit fixture 3. The equipment is driven and operated by a single telescopic drive unit 7, and the use of two symmetrical roller inward bending structures 6 can ensure that the inner folding mouth of the U-shaped handle is evenly folded into the sheet metal, avoiding asymmetry or uneven bending caused by a single drive unit, and the structural form of the single telescopic drive unit 7 is simpler, which reduces additional components and complex control systems, thereby reducing the manufacturing cost of the equipment, and due to the simple structure, the maintenance and repair costs are also relatively low.

Claims

1. A handle bending device, characterized in that: The invention comprises a machine platform (1) and a circular support seat (2) fixed on one side of the top of the machine platform (1); a wrench limit fixture (3) for positioning a U-shaped handlebar is arranged on the top of the circular support seat (2); a convex plate (201) is integrally formed on the other side of the top of the circular support seat (2); a slide (4) is slidably mounted on the other side of the top of the machine platform (1); a convex seat (5) is fixed on the top of the slide (4); two roller inward bending structures (6) are symmetrically mounted on the outer wall of the side of the convex seat (5) close to the wrench limit fixture (3); a telescopic drive unit (7) for driving the slide (4) to move horizontally is mounted on the outer wall of one side of the machine platform (1); and a control button (8) electrically connected to the input end of the telescopic drive unit (7) is mounted on one side of the surface of the machine platform (1).

2. A handle bending device according to claim 1, characterized in that: The spanner limiting tool (3) is composed of three steel columns (301), the bottom ends of the three steel columns (301) are all fixed to the top end of the circular support seat (2), and the center point connecting lines of the three steel columns (301) form an isosceles triangle structure.

3. The handle bending device according to claim 1, characterized in that: The top of the circular support seat (2) is provided with an internal threaded hole which is concentric with the steel column (301), and a bolt is installed on the top of the circular support seat (2), and the threaded end of the bolt extends into the interior of the steel column (301) through the internal threaded hole.

4. The handle bending device according to claim 1, characterized in that: The telescopic drive unit (7) comprises an oblique mounting frame (701) fixed on an outer wall of one side of the platform (1), and a cylinder (702) mounted on an outer wall of one side of the oblique mounting frame (701); a right-angle connecting arm (703) is slidably mounted inside the oblique mounting frame (701); one end of the right-angle connecting arm (703) is fixedly connected to an outer wall of one side of the slide table (4), and the other end of the right-angle connecting arm (703) is fixedly connected to the top end of the piston rod of the cylinder (702).

5. The handle bending device according to claim 1, characterized in that: Two symmetrical I-shaped guide rails (101) are fixed to the top of the machine platform (1), and a C-shaped slide seat (102) is slidably mounted on one side of the top of the I-shaped guide rail (101), and the top of the C-shaped slide seat (102) is fixedly connected to the bottom of the slide platform (4).

6. The handle bending device according to claim 1, characterized in that: The roller inner bending structure (6) comprises an inverted U-shaped shaft frame (601) fixed on the outer wall of one side of the convex seat (5), and a roller unit (602) rotatably mounted inside the inverted U-shaped shaft frame (601).

7. The handle bending device according to claim 6, characterized in that: A plurality of rubber pads are fixed at equal intervals on the outer wall of the roller unit (602).

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