Bending forming die for wiring device of excavator

Abstract

The utility model relates to the technical field of mechanical part machining, in particular to an excavator wiring device bending forming die which comprises a bending forming lower die, a bending forming upper die, an upper die first protruding block, a lower die protruding block, an upper die second protruding block, a lower die concave face, an upper die arc-shaped groove and a lower die arc-shaped groove. A corresponding mold is researched and developed corresponding to the existing clamp type, it is guaranteed that the mold is reasonable in structure and convenient to disassemble, and small-batch products can be used for manufacturing. According to the technical scheme, the bending machine is adopted to achieve complex forming of the cold plate round steel, special equipment is replaced, the equipment input cost is reduced, and the universality of the product technology is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical parts processing, in particular to a bending and forming die for an excavator wiring device. Background Art

[0002] The excavator wiring device is a component welded inside the sheet metal component of the excavator. It is used to wire and fix the wiring harness. It is generally made of cold-drawn round steel through multiple bending and forming by special CNC equipment. The previous wiring devices were all made by special manufacturers using special equipment. The purchase of special equipment had a long development cycle and too much equipment investment.

[0003] At present, the bending of the excavator wiring device requires special equipment for forming and processing. For small-batch users, the equipment investment is too high, the cost is too large, and the equipment idle rate is too high. It is necessary to develop a mold that can be used on an ordinary bending machine to replace special equipment, thereby reducing equipment investment and saving costs. For this purpose, a bending and forming mold for the excavator wiring device is developed to realize the forming and processing of this product and similar products on the existing bending machine. Utility Model Content

[0004] The utility model provides a bending and forming die for an excavator wiring device, so as to solve the problem that the bending of the excavator wiring device currently requires special equipment for forming and processing, and for small batch users, the equipment investment is too high, the cost is too large, and the equipment idle rate is too high.

[0005] The utility model provides a bending and forming die for an excavator wiring device, comprising a bending and forming lower die, a bending and forming upper die, a first convex block of the upper die, a convex block of the lower die, a second convex block of the upper die, a concave surface of the lower die, an arc-shaped groove of the upper die and an arc-shaped groove of the lower die;

[0006] The lower die convex block is arranged on one side of the bending forming lower die, the lower die concave surface is arranged on the other side of the bending forming lower die, and the lower die arc groove is arranged at the connection between the bending forming lower die and the lower die convex block and at the connection between the bending forming lower die and the lower die concave surface;

[0007] The first upper mold convex block is arranged on one side of the bending forming upper mold, and the second upper mold convex block is arranged on the other side of the bending forming upper mold;

[0008] The outer contour of the second convex block of the upper die matches the concave surface of the lower die, and the bending and forming upper die is connected to the concave surface of the lower die of the bending and forming lower die through the second convex block of the upper die.

[0009] Further, the lower mold concave surface includes a first vertical surface, a first rectangular plane, a first arc-shaped inclined surface, a lower mold concave surface body and a second arc-shaped inclined surface;

[0010] One side of the lower mold concave body is connected to the first arc-shaped inclined surface, and the other side of the lower mold concave body is connected to the second arc-shaped inclined surface. The first arc-shaped inclined surface is connected to the first rectangular plane, and the first rectangular plane is connected to the first vertical surface.

[0011] Furthermore, it also includes a second rectangular plane and a second vertical plane, the second arc-shaped inclined surface is connected to the second rectangular plane, and the second rectangular plane is connected to the second vertical plane.

[0012] Furthermore, an included angle between the second rectangular plane and the second vertical plane is 90 degrees, and an included angle between the first rectangular plane and the first vertical plane is 90 degrees.

[0013] The beneficial effects of the utility model are as follows: the utility model provides a bending and forming mold for an excavator wiring device, which utilizes existing bending equipment and corresponds to the existing fixture type to develop a corresponding mold, ensuring that the mold structure is reasonable and easy to disassemble, and can be used for small batch product production. The technical solution of this application adopts a bending machine to realize the complex forming of cold plate round steel, replaces special equipment, reduces equipment investment costs, and realizes the versatility of product technology. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0015] Figure 1 The utility model provides a three-dimensional angle structural schematic diagram of a bending and forming die for an excavator wiring device.

[0016] Figure 2 The utility model is a schematic diagram of the first side structure of a bending and forming die for an excavator wiring device.

[0017] Figure 3 The utility model provides a schematic exploded view of the three-dimensional angle structure of a bending and forming die for an excavator wiring device.

[0018] Figure 4 The utility model provides a bending forming die for an excavator wiring device Figure 1 Schematic diagram at point a in the middle.

[0019] Figure 5 The utility model provides a bending forming die for an excavator wiring device Figure 1 Schematic diagram at point b in the middle.

[0020] Figure 6 The utility model provides a bending forming die for an excavator wiring device Figure 1 Schematic diagram at point c in the middle.

[0021] Illustrations: 1. Bending and forming lower die, 2. Bending and forming upper die, 3. First protrusion of upper die, 4. Protrusion of lower die, 5. Second protrusion of upper die, 6. Concave surface of lower die, 601. First vertical surface, 602. First rectangular plane, 603. First arc-shaped inclined surface, 604. Concave surface body of lower die, 605. Second arc-shaped inclined surface, 606. Second rectangular plane, 607. Second vertical surface, 7. Arc-shaped groove of upper die, 8. Arc-shaped groove of lower die, 9. Round steel. DETAILED DESCRIPTION

[0022] See also Figures 1 to 6 The embodiment of the utility model provides a bending and forming mold for an excavator wiring device, including a bending and forming lower mold 1, a bending and forming upper mold 2, an upper mold first convex block 3, a lower mold convex block 4, an upper mold second convex block 5, a lower mold concave surface 6, an upper mold arc groove 7 and a lower mold arc groove 8;

[0023] The lower die convex block 4 is arranged on one side of the bending forming lower die 1, the lower die concave surface 6 is arranged on the other side of the bending forming lower die 1, and the lower die arc groove 8 is arranged at the connection between the bending forming lower die 1 and the lower die convex block 4 and at the connection between the bending forming lower die 1 and the lower die concave surface 6;

[0024] The first upper mold convex block 3 is disposed on one side of the bending forming upper mold 2, and the second upper mold convex block 5 is disposed on the other side of the bending forming upper mold 2;

[0025] The outer contour of the second convex block 5 of the upper die matches the concave surface 6 of the lower die, and the bending forming upper die 2 is connected to the concave surface 6 of the lower die 1 of the bending forming lower die through the second convex block 5 of the upper die.

[0026] Specifically, the lower mold concave surface 6 includes a first vertical surface 601, a first rectangular plane 602, a first arc-shaped inclined surface 603, a lower mold concave surface body 604 and a second arc-shaped inclined surface 605;

[0027] One side of the lower mold concave surface body 604 is connected to the first arc-shaped inclined surface 603, and the other side of the lower mold concave surface body 604 is connected to the second arc-shaped inclined surface 605. The first arc-shaped inclined surface 603 is connected to the first rectangular plane 602, and the first rectangular plane 602 is connected to the first vertical surface 601.

[0028] Specifically, the second rectangular plane 606 and the second vertical plane 607;

[0029] The second arc-shaped inclined surface 605 is connected to the second rectangular plane 606 , and the second rectangular plane 606 is connected to the second vertical surface 607 .

[0030] Specifically, the included angle between the second rectangular plane 606 and the second vertical plane 607 is 90 degrees, and the included angle between the first rectangular plane 602 and the first vertical plane 601 is 90 degrees.

[0031] The concave surface composed of the first vertical surface 601 , the first rectangular plane 602 , the first arc-shaped inclined surface 603 , the lower die concave surface body 604 and the second arc-shaped inclined surface 605 is used to press the round rod 9 together with the second protrusion 5 of the upper die.

[0032] The various structural components of the technical solution of this application are manufactured by machine tool processing through molds, and the machine tool is used to manufacture the integral parts. After the mold processing is completed, the quenching process is carried out to increase the hardness of the stress-bearing surface of the component. After the heat treatment is completed, the component is blackened to avoid oxidation and rust when placed later.

[0033] The round rod 9 of the technical solution of this application adopts a φ4 round rod;

[0034] Place the bending lower die 1 and the bending upper die 2 on the corresponding upper and lower die fixtures of the bending machine, make sure they are completely fixed, and check the fit. After the inspection, place the φ4 round bar in the groove of the bending lower die 1, start the bending machine to make the bending lower die 1 and the bending upper die 2 fully buckle, separate the upper and lower dies, and verify the size of the φ4 round bar to meet the standard requirements for component use. This solves the problem that the bending of the excavator wiring device currently requires special equipment for forming and processing, and for small batch users, the equipment investment is too high, the cost is too high, and the equipment idle rate is too high.

[0035] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A bending and forming die for an excavator wiring device, characterized in that: It comprises a bending and forming lower die (1), a bending and forming upper die (2), an upper die first convex block (3), a lower die convex block (4), an upper die second convex block (5), a lower die concave surface (6), an upper die arc groove (7) and a lower die arc groove (8); The lower die convex block (4) is provided on one side of the bending and forming lower die (1), the lower die concave surface (6) is provided on the other side of the bending and forming lower die (1), and the lower die arc groove (8) is provided at the connection between the bending and forming lower die (1) and the lower die convex block (4) and at the connection between the bending and forming lower die (1) and the lower die concave surface (6); The first upper mold convex block (3) is arranged on one side of the bending and forming upper mold (2), and the second upper mold convex block (5) is arranged on the other side of the bending and forming upper mold (2); The outer contour of the second convex block (5) of the upper die matches the concave surface (6) of the lower die, and the bending and forming upper die (2) is connected to the concave surface (6) of the lower die (1) of the bending and forming lower die via the second convex block (5) of the upper die.

2. The bending and forming die of the excavator wiring device according to claim 1, characterized in that: The lower die concave surface (6) comprises a first vertical surface (601), a first rectangular plane (602), a first arc-shaped inclined surface (603), a lower die concave surface body (604) and a second arc-shaped inclined surface (605); One side of the lower mold concave surface body (604) is connected to the first arc-shaped inclined surface (603), and the other side of the lower mold concave surface body (604) is connected to the second arc-shaped inclined surface (605), the first arc-shaped inclined surface (603) is connected to the first rectangular plane (602), and the first rectangular plane (602) is connected to the first vertical surface (601).

3. The bending and forming die of the excavator wiring device according to claim 2, characterized in that: Also includes a second rectangular plane (606) and a second vertical plane (607); The second arc-shaped inclined surface (605) is connected to the second rectangular plane (606), and the second rectangular plane (606) is connected to the second vertical surface (607).

4. The bending and forming die of the excavator wiring device according to claim 3, characterized in that: The included angle between the second rectangular plane (606) and the second vertical plane (607) is 90 degrees, and the included angle between the first rectangular plane (602) and the first vertical plane (601) is 90 degrees.

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