Aluminum bottom plate

Abstract

The utility model discloses an aluminum bottom plate which comprises two main shafts and a first corrugated plate, one ends of the two main shafts are fixedly connected with the first corrugated plate, the ends, away from the first corrugated plate, of the two main shafts are fixedly connected with a second corrugated plate, and the inner sides of the two main shafts are fixedly connected with three transverse shafts at equal intervals. Side shafts are fixedly connected to the positions, corresponding to the three transverse shafts, of the outer sides of the two main shafts, and two main shaft lightening holes are formed in the positions, on the sides, close to the second corrugated plates, of the first corrugated plates and the six side shafts, of the middles of the two main shafts; fixing plates are fixedly connected to the positions, between the main shaft lightening holes, of the lower portions of the outer sides of the two main shafts. The whole base plate frame is manufactured by bending and welding aluminum alloy, and the base plate frame is matched with the lightening round holes, the middle lightening holes and the main shaft lightening holes, so that the mass of the base plate frame body can be greatly reduced under the condition that the structural strength is met, and the practicability of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile manufacturing, in particular to an aluminum bottom plate. Background Art

[0002] Small trucks or box trucks of automobiles usually have an additional floor plate installed on top of the chassis to increase the structural strength.

[0003] The existing base plate is basically a steel structure. Although the structural strength is high, the frame mass is too high, which increases the weight of the vehicle body and is more troublesome in welding and installation. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes an aluminum bottom plate.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: an aluminum bottom plate, comprising two main shafts and a first corrugated plate, one end of the two main shafts is fixedly connected to the first corrugated plate, the end of the two main shafts away from the first corrugated plate is fixedly connected to the second corrugated plate, three transverse shafts are equidistantly fixedly connected to the inner sides of the two main shafts, side shafts are fixedly connected to the outer sides of the two main shafts at positions corresponding to the three transverse shafts, two main shaft weight-reducing holes are provided in the middle of the two main shafts on the side of the first corrugated plate and the six side shafts close to the second corrugated plate, a fixing plate is fixedly connected at the position between the main shaft weight-reducing holes at the lower outer sides of the two main shafts, four middle weight-reducing holes are equidistantly provided in the middle of the first corrugated plate, the second corrugated plate and the three transverse shafts, and three weight-reducing circular holes are provided at both ends of the first corrugated plate and the second corrugated plate and below the six side shafts.

[0006] As a further description of the above technical solution:

[0007] The structures of the first corrugated board and the second corrugated board are symmetrical.

[0008] As a further description of the above technical solution:

[0009] The lengths of the six side axes all correspond to the distances between the two ends of the first corrugated board and the two main axes.

[0010] As a further description of the above technical solution:

[0011] The eight fixing plates are all arc-shaped plates with semicircular cross-sections.

[0012] As a further description of the above technical solution:

[0013] The production steps are:

[0014] S1. Use laser cutting equipment to cut the aluminum alloy sheet into sheet blanks corresponding to the main shaft, the first corrugated plate, the transverse axis and the side axis, and at the same time cut out the corresponding main shaft weight reduction hole, the middle weight reduction hole and the weight reduction circular hole;

[0015] S2. Use bending equipment to bend the main axis, transverse axis and side axis into shape, and divide the corrugated plate into two parts, and bend the first corrugated plate and the second corrugated plate respectively;

[0016] S3. Use the aluminum bottom plate automatic fixture to fix the two main axes, three transverse axes, six side axes, the first corrugated plate and the second corrugated plate in corresponding positions;

[0017] S4. Use a gantry friction welding device to weld the upper side of the aluminum base plate body once;

[0018] S5. Release the aluminum base plate main body by the automatic clamp, use the flipping device to flip the aluminum base plate main body as a whole, fix the aluminum base plate main body by the automatic clamp again, and use the gantry friction welding equipment to perform secondary welding to form.

[0019] As a further description of the above technical solution:

[0020] The quantity ratio of bad materials in a batch in step 1 is 2:2:3:6.

[0021] As a further description of the above technical solution:

[0022] The thickness of the aluminum alloy plate in step 1 is 4 mm.

[0023] Compared with the prior art, the beneficial effects achieved by the utility model are:

[0024] 1. The utility model is made of aluminum alloy bending and welding as a whole, and with weight-reducing circular holes, middle weight-reducing holes and main shaft weight-reducing holes, it can greatly reduce the mass of the bottom plate frame while meeting the structural strength, thereby improving the practicability of the device.

[0025] 2. The utility model uses an automatic clamp for the aluminum bottom plate and a gantry friction welding device for fixing and welding. Only one fixation and two welding steps are required to form the part. Manual positioning and fixing welding are not required, which greatly improves production efficiency and enhances the practicality of the utility model. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a bottom-up axonometric view of an aluminum base plate of the utility model;

[0027] Figure 2 It is a top axonometric view of an aluminum base plate of the utility model;

[0028] Figure 3It is a top view of an aluminum bottom plate of the utility model;

[0029] Figure 4 It is a front view of an aluminum bottom plate of the utility model;

[0030] Legend:

[0031] 1. Main shaft; 2. First corrugated plate; 3. Second corrugated plate; 4. Horizontal axis; 5. Side axis; 6. Fixed plate; 7. Weight-reducing circular hole; 8. Middle weight-reducing hole; 9. Main shaft weight-reducing hole. DETAILED DESCRIPTION

[0032] 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. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. 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.

[0033] In the description of the present utility model, it should be noted that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present utility model; the terms "first", "second", and "third" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance. In addition, unless otherwise clearly 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, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0034] Reference Figure 1-4The utility model provides an embodiment: an aluminum bottom plate, including two main shafts 1 and a first corrugated plate 2, one end of the two main shafts 1 is fixedly connected to the first corrugated plate 2, and the ends of the two main shafts 1 away from the first corrugated plate 2 are fixedly connected to the second corrugated plate 3, and the structures of the first corrugated plate 2 and the second corrugated plate 3 are symmetrical, and three transverse shafts 4 are fixedly connected to the inner sides of the two main shafts 1 at equal distances, and side shafts 5 are fixedly connected to the outer sides of the two main shafts 1 at positions corresponding to the three transverse shafts 4, and the lengths of the six side shafts 5 are corresponding to the distances between the two ends of the first corrugated plate 2 and the two main shafts 1, and the middle parts of the two main shafts 1 are provided with two Spindle weight-reducing holes 9, and fixing plates 6 are fixedly connected to the lower outer sides of the two spindles 1 at the positions between the spindle weight-reducing holes 9. The eight fixing plates 6 are arc-shaped plates with semicircular cross-sections, which are used to strengthen the fixation with the upper vehicle body. Four middle weight-reducing holes 8 are equidistantly provided in the middle of the first corrugated plate 2, the second corrugated plate 3 and the three transverse axes 4. Three weight-reducing circular holes 7 are provided at both ends of the first corrugated plate 2 and the second corrugated plate 3 and below the six side axes 5. The utility model is made of aluminum alloy by bending and welding as a whole. With the weight-reducing circular holes 7, the middle weight-reducing holes 8 and the spindle weight-reducing holes 9, the mass of the bottom plate frame can be greatly reduced while meeting the structural strength, thereby improving the practicability of the device.

[0035] Working principle: During production, the utility model uses laser cutting equipment to cut the aluminum alloy sheet with a thickness of 4mm into sheet blanks corresponding to the main axis 1, the first corrugated plate 2, the transverse axis 4 and the side axis 5, and simultaneously cuts out the corresponding main axis weight reduction holes 9, the middle weight reduction holes 8 and the weight reduction circular holes 7. The quantity ratio of a batch of blanks is 2:2:3:6. The main axis 8, the transverse axis 4 and the side axis 5 are bent into shape by using bending equipment, and the corrugated sheet blanks are divided into two parts, and the first corrugated plate 2 and the second corrugated plate 3 are bent respectively. The two main axes 1, the three transverse axes 4, the six side axes 5, the first corrugated plate 2 and the second corrugated plate 3 are bent by using an automatic clamp of an aluminum bottom plate. The corrugated plate 3 is fixed at the corresponding position, and the upper side of the aluminum base plate body is welded once by using the gantry friction welding equipment. The aluminum base plate automatic clamp releases the aluminum base plate body, and the aluminum base plate body is flipped over as a whole by using the flipping equipment. The aluminum base plate body is fixed by the automatic clamp again, and the fixing plate 6 is added. The gantry friction welding equipment is used for secondary welding to form. The utility model uses the aluminum base plate automatic clamp and the gantry friction welding equipment for fixing and welding. It only needs one fixing and two welding to form, and no manual positioning, fixing and welding are required, which greatly improves the production efficiency and enhances the practicality of the utility model.

[0036] Finally, it should be noted that the above is only 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 can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An aluminum base plate, comprising two main shafts (1) and a first corrugated plate (2), characterized in that: One end of the two main shafts (1) is fixedly connected to the first corrugated plate (2), one end of the two main shafts (1) away from the first corrugated plate (2) is fixedly connected to the second corrugated plate (3), three transverse shafts (4) are fixedly connected to the inner sides of the two main shafts (1) at equal intervals, and side shafts (5) are fixedly connected to the outer sides of the two main shafts (1) at positions corresponding to the three transverse shafts (4), two main shaft weight reduction holes (9) are provided in the middle of the two main shafts (1) on the side of the first corrugated plate (2) and the six side shafts (5) close to the second corrugated plate (3), a fixing plate (6) is fixedly connected to the positions between the main shaft weight reduction holes (9) at the lower sides of the outer sides of the two main shafts (1), four middle weight reduction holes (8) are provided at equal intervals in the middle of the first corrugated plate (2), the second corrugated plate (3) and the three transverse shafts (4), and three weight reduction circular holes (7) are provided at both ends of the first corrugated plate (2) and the second corrugated plate (3) and at the lower sides of the six side shafts (5).

2. The aluminum base plate according to claim 1, characterized in that: The structures of the first corrugated board (2) and the second corrugated board (3) are symmetrical.

3. The aluminum bottom plate according to claim 1, characterized in that: The lengths of the six side axes (5) all correspond to the distances between the two ends of the first corrugated board (2) and the two main axes (1).

4. The aluminum bottom plate according to claim 1, characterized in that: The eight fixing plates (6) are all arc-shaped plates with semicircular cross-sections.

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