Bending cutter for bending vehicle frame parts and bending die comprising same

Abstract

The utility model relates to a bending cutter for bending vehicle frame parts and a bending die comprising the bending cutter. The bending cutter comprises a die handle and a die head, the cross section of the die handle is of a U-shaped structure with a side opening, the cross section of the die head is of an inverted triangular structure, and the die handle is detachably connected with the die head; the bending die further comprises a lower bending die. The lower bending die comprises a lower die base, a V-shaped groove is formed in the top of the lower die base, and a die head of the bending cutter is detachably connected with the V-shaped groove. The frame part bending device can avoid airfoils of different frame parts, realizes bending of the different frame parts, and is wide in processing range and low in cost.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile manufacturing, in particular to a bending tool for bending frame parts and a bending die containing the same. Background Art

[0002] Existing automobile frame parts are in small batches and multiple specifications, and product quality requirements are constantly increasing. Existing bending molds have different degrees of interference during the processing and cannot meet product processing requirements; if special molds are made, the cost is high and the cycle is long. Utility Model Content

[0003] The purpose of the utility model is to provide a bending tool for bending frame parts and a bending mold containing the same in order to address the deficiencies of the prior art, so as to avoid the wing surfaces of different frame parts, realize the bending of different frame parts, and have a wide processing range and low cost.

[0004] The utility model is realized by adopting the following technical solutions:

[0005] The bending machine used for bending frame parts comprises a die handle and a die head; the cross section of the die handle is a U-shaped structure with a side opening, the cross section of the die head is an inverted triangle structure, and the die handle and the die head are detachably connected.

[0006] Preferably, the mold handle comprises an upper portion and a lower portion, the upper portion of the mold handle is a bent section, and the lower portion of the mold handle is an inclined section.

[0007] Preferably, the bottom of the inclined section of the die handle is connected to the top of the die head via a concave-convex structure and fixed via bolts.

[0008] A bending die for bending frame parts includes a bending tool for bending frame parts as described in any one of the above items, and also includes a bending lower die; the bending lower die includes a lower die seat, a V-shaped groove is provided on the top of the lower die seat, and the frame part to be bent is arranged between the die head of the bending tool and the V-shaped groove.

[0009] Preferably, arc grooves with arc-shaped cross sections are provided at the top of the lower die seat and at both ends of the V-shaped groove, and rollers are rotatably provided in the arc grooves.

[0010] Preferably, two pressing plates are arranged on the top of the lower die seat, and an arc-shaped pressing surface with an arc-shaped cross-section is arranged at the end of the pressing plate. The arc-shaped pressing surface has the same radius as the arc-shaped groove, and the roller rotates between the arc-shaped groove and the arc-shaped pressing surface.

[0011] Compared with the prior art, the utility model has the following beneficial technical effects:

[0012] The cross section of the die handle of the bending tool is a U-shaped structure with a side opening, which can avoid the wing surfaces of U-shaped, L-shaped, and X-shaped frame parts. The cross section of the die head is an inverted triangle structure. The die head can be replaced according to product requirements to achieve processing of different specifications and models, achieving a wide processing range and low cost.

[0013] The bending lower die of the bending mold is designed with V-grooves of different specifications to avoid scratches on the product during the bending process and to achieve the processing of products of multiple specifications. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the bending tool structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the die head structure of the utility model;

[0016] Figure 3 This is a schematic diagram of the bending die structure of the utility model;

[0017] Figure 4 It is a schematic diagram of the frame parts structure of the utility model.

[0018] In the figure, 1, die handle; 2, bolt; 3, die head; 4, roller; 5, pressure plate; 6, lower die seat; 7, V-shaped groove; 8, arc groove; 9, arc pressure surface. DETAILED DESCRIPTION

[0019] In order to more clearly understand the above-mentioned purposes, features and advantages of the utility model, the utility model is described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that, in the absence of conflict, the embodiments of the present application and the features in the embodiments can be combined with each other. In the description of the utility model, it should also be noted that, unless otherwise clearly specified and limited, the terms "setting", "installation" and "connection" 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 directly connected, or it can be indirectly connected through an intermediate medium, and it can be the internal connection of two components. For ordinary technicians in this field, the specific meanings of the above terms in the utility model can be understood according to specific circumstances.

[0020] Embodiment 1

[0021] like Figure 1-2 As shown: a bending tool for bending frame parts, including a die handle 1 and a die head 3; the cross section of the die handle 1 is a U-shaped structure with a side opening, the cross section of the die head 3 is an inverted triangle structure, and the die handle 1 and the die head 3 are detachably connected.

[0022] The material of the die handle 1 is preferably 45 steel; the material of the die head 3 is preferably alloy tool steel.

[0023] like Figure 1 As shown, the mold handle 1 includes an upper part and a lower part, wherein the upper part is a bending section and the lower part is an inclined section; the mold handle 1 can avoid the wing surfaces of U-shaped, L-shaped, and I-shaped frame parts in the front and rear to achieve the bending of U-shaped, L-shaped, and I-shaped frame parts.

[0024] like Figure 1 , 2 As shown, the bottom of the inclined section of the die handle 1 is connected to the top of the die head 3 through a concave-convex structure and fixed by a bolt 2; the die head 3 can be replaced according to product requirements to achieve processing of different specifications and models, achieving a wide processing range and low cost.

[0025] Embodiment 2

[0026] like Figure 3 , 4 As shown, a bending die for bending frame parts includes the bending tool for bending frame parts as described above, the bending tool serves as a bending upper die, and also includes a bending lower die; the bending lower die includes a lower die seat 6, and a V-groove 7 is provided on the top of the lower die seat 6 to match the die head 3 of the bending tool, and the frame part to be bent is arranged between the die head 3 of the bending tool and the V-groove 7; the V-groove structure can be designed in a variety of structures, so that products of multiple specifications can be processed.

[0027] An arc groove 8 with an arc-shaped cross section is arranged at the top of the lower die seat 6 and at both ends of the V-shaped groove 7, and a roller 4 is rotatably arranged in the arc groove 8; the arc groove 8 is based on the limitation of the roller 4 to move outward and to be rotatable, so that the outer surface of the frame part to be bent and the roller 4 have a rolling forming process when bending, so as to achieve the purpose of having no indentation or scratch on the product and improving the product quality.

[0028] Furthermore, in order to realize the above-mentioned processing, two pressure plates 5 are arranged on the top of the lower die base 6, and an arc-shaped pressure surface 9 with an arc-shaped cross-section is arranged at the end of the pressure plate 5. The arc-shaped groove 8 and the arc-shaped pressure surface 9 have the same radius, and the roller 4 rotates between the arc-shaped groove 8 and the arc-shaped pressure surface 9. The arc-shaped groove 8 and the arc-shaped pressure surface 9 are based on the limitation of the outward movement of the roller 4 and the rotation; at the same time, the pressure plate 5 is removable on the lower die base 6, so that the roller 4 can be replaced.

[0029] like Figure 1 , 3 As shown in 4, taking the U-shaped frame parts as an example, the processing range can be: 80≦X≦270, 20≦W≦220, X, W both represent the length of the bending wing surface, the unit is millimeter, the bending mold can process the U-shaped frame parts through the bending tool, and accordingly, it can also bend the L-shaped, J-shaped and other frame parts.

[0030] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0031] As described above, the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments can still be modified, or some of the technical features can be replaced by equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the utility model.

Claims

1. A bending tool for bending frame parts, characterized in that: It comprises a die handle (1) and a die head (3); the cross section of the die handle (1) is a U-shaped structure with a side opening, the cross section of the die head (3) is an inverted triangle structure, and the die handle (1) and the die head (3) are detachably connected.

2. The bending tool for bending frame parts according to claim 1, characterized in that: The mold handle (1) comprises an upper part and a lower part, the upper part of the mold handle (1) is a bent section, and the lower part of the mold handle (1) is an inclined section.

3. The bending tool for bending frame parts according to claim 2, characterized in that: The bottom of the inclined section of the die handle (1) and the top of the die head (3) are connected via a concave-convex structure and are fixed via bolts (2).

4. A bending die for bending a frame part, comprising a bending tool for bending a frame part according to any one of claims 1 to 3, characterized in that: It also includes a bending lower die; the bending lower die includes a lower die seat (6), a V-shaped groove (7) is provided on the top of the lower die seat (6), and the frame part to be bent is arranged between the die head (3) of the bending tool and the V-shaped groove (7).

5. The bending die for bending frame parts according to claim 4, characterized in that: An arc-shaped groove (8) with an arc-shaped cross section is arranged at the top of the lower die seat (6) and at both ends of the V-shaped groove (7), and a roller (4) is rotatably arranged in the arc-shaped groove (8).

6. The bending die for bending frame parts according to claim 5, characterized in that: Two pressing plates (5) are arranged on the top of the lower die seat (6), and an arc-shaped pressing surface (9) with an arc-shaped cross section is arranged at the end of the pressing plate (5). The arc-shaped pressing surface (9) has the same radius as the arc-shaped groove (8), and the roller (4) rotates between the arc-shaped groove (8) and the arc-shaped pressing surface (9).

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